id int64 1 36.7k | label int64 0 1 | bug_url stringlengths 91 134 | bug_function stringlengths 13 72.7k | functions stringlengths 17 79.2k |
|---|---|---|---|---|
16,301 | 0 | https://github.com/openssl/openssl/blob/249a77f5fb6407185e0a6ad44cd88eda2b6f8946/apps/s_server.c/#L727 | static int cert_status_cb(SSL *s, void *arg)
{
tlsextstatusctx *srctx = arg;
BIO *err = srctx->err;
char *host, *port, *path;
int use_ssl;
unsigned char *rspder = NULL;
int rspderlen;
STACK_OF(STRING) *aia = NULL;
X509 *x = NULL;
X509_STORE_CTX inctx;
X509_OBJECT obj;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
OCSP_CERTID *id = NULL;
STACK_OF(X509_EXTENSION) *exts;
int ret = SSL_TLSEXT_ERR_NOACK;
int i;
#if 0
STACK_OF(OCSP_RESPID) *ids;
SSL_get_tlsext_status_ids(s, &ids);
BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
#endif
if (srctx->verbose)
BIO_puts(err, "cert_status: callback called\n");
x = SSL_get_certificate(s);
aia = X509_get1_ocsp(x);
if (aia)
{
if (!OCSP_parse_url(sk_STRING_value(aia, 0),
&host, &port, &path, &use_ssl))
{
BIO_puts(err, "cert_status: can't parse AIA URL\n");
goto err;
}
if (srctx->verbose)
BIO_printf(err, "cert_status: AIA URL: %s\n",
sk_STRING_value(aia, 0));
}
else
{
if (!srctx->host)
{
BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
goto done;
}
host = srctx->host;
path = srctx->path;
port = srctx->port;
use_ssl = srctx->use_ssl;
}
if (!X509_STORE_CTX_init(&inctx,
SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
NULL, NULL))
goto err;
if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
X509_get_issuer_name(x),&obj) <= 0)
{
BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
X509_STORE_CTX_cleanup(&inctx);
goto done;
}
req = OCSP_REQUEST_new();
if (!req)
goto err;
id = OCSP_cert_to_id(NULL, x, obj.data.x509);
X509_free(obj.data.x509);
X509_STORE_CTX_cleanup(&inctx);
if (!id)
goto err;
if (!OCSP_request_add0_id(req, id))
goto err;
id = NULL;
SSL_get_tlsext_status_exts(s, &exts);
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
{
X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
if (!OCSP_REQUEST_add_ext(req, ext, -1))
goto err;
}
resp = process_responder(err, req, host, path, port, use_ssl,
srctx->timeout);
if (!resp)
{
BIO_puts(err, "cert_status: error querying responder\n");
goto done;
}
rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
if (rspderlen <= 0)
goto err;
SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
if (srctx->verbose)
{
BIO_puts(err, "cert_status: ocsp response sent:\n");
OCSP_RESPONSE_print(err, resp, 2);
}
ret = SSL_TLSEXT_ERR_OK;
done:
if (ret != SSL_TLSEXT_ERR_OK)
ERR_print_errors(err);
if (aia)
{
OPENSSL_free(host);
OPENSSL_free(path);
OPENSSL_free(port);
X509_email_free(aia);
}
if (id)
OCSP_CERTID_free(id);
if (req)
OCSP_REQUEST_free(req);
if (resp)
OCSP_RESPONSE_free(resp);
return ret;
err:
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
goto done;
} | ['static int cert_status_cb(SSL *s, void *arg)\n\t{\n\ttlsextstatusctx *srctx = arg;\n\tBIO *err = srctx->err;\n\tchar *host, *port, *path;\n\tint use_ssl;\n\tunsigned char *rspder = NULL;\n\tint rspderlen;\n\tSTACK_OF(STRING) *aia = NULL;\n\tX509 *x = NULL;\n\tX509_STORE_CTX inctx;\n\tX509_OBJECT obj;\n\tOCSP_REQUEST *req = NULL;\n\tOCSP_RESPONSE *resp = NULL;\n\tOCSP_CERTID *id = NULL;\n\tSTACK_OF(X509_EXTENSION) *exts;\n\tint ret = SSL_TLSEXT_ERR_NOACK;\n\tint i;\n#if 0\nSTACK_OF(OCSP_RESPID) *ids;\nSSL_get_tlsext_status_ids(s, &ids);\nBIO_printf(err, "cert_status: received %d ids\\n", sk_OCSP_RESPID_num(ids));\n#endif\n\tif (srctx->verbose)\n\t\tBIO_puts(err, "cert_status: callback called\\n");\n\tx = SSL_get_certificate(s);\n\taia = X509_get1_ocsp(x);\n\tif (aia)\n\t\t{\n\t\tif (!OCSP_parse_url(sk_STRING_value(aia, 0),\n\t\t\t&host, &port, &path, &use_ssl))\n\t\t\t{\n\t\t\tBIO_puts(err, "cert_status: can\'t parse AIA URL\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (srctx->verbose)\n\t\t\tBIO_printf(err, "cert_status: AIA URL: %s\\n",\n\t\t\t\t\tsk_STRING_value(aia, 0));\n\t\t}\n\telse\n\t\t{\n\t\tif (!srctx->host)\n\t\t\t{\n\t\t\tBIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\\n");\n\t\t\tgoto done;\n\t\t\t}\n\t\thost = srctx->host;\n\t\tpath = srctx->path;\n\t\tport = srctx->port;\n\t\tuse_ssl = srctx->use_ssl;\n\t\t}\n\tif (!X509_STORE_CTX_init(&inctx,\n\t\t\t\tSSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),\n\t\t\t\tNULL, NULL))\n\t\tgoto err;\n\tif (X509_STORE_get_by_subject(&inctx,X509_LU_X509,\n\t\t\t\tX509_get_issuer_name(x),&obj) <= 0)\n\t\t{\n\t\tBIO_puts(err, "cert_status: Can\'t retrieve issuer certificate.\\n");\n\t\tX509_STORE_CTX_cleanup(&inctx);\n\t\tgoto done;\n\t\t}\n\treq = OCSP_REQUEST_new();\n\tif (!req)\n\t\tgoto err;\n\tid = OCSP_cert_to_id(NULL, x, obj.data.x509);\n\tX509_free(obj.data.x509);\n\tX509_STORE_CTX_cleanup(&inctx);\n\tif (!id)\n\t\tgoto err;\n\tif (!OCSP_request_add0_id(req, id))\n\t\tgoto err;\n\tid = NULL;\n\tSSL_get_tlsext_status_exts(s, &exts);\n\tfor (i = 0; i < sk_X509_EXTENSION_num(exts); i++)\n\t\t{\n\t\tX509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);\n\t\tif (!OCSP_REQUEST_add_ext(req, ext, -1))\n\t\t\tgoto err;\n\t\t}\n\tresp = process_responder(err, req, host, path, port, use_ssl,\n\t\t\t\t\tsrctx->timeout);\n\tif (!resp)\n\t\t{\n\t\tBIO_puts(err, "cert_status: error querying responder\\n");\n\t\tgoto done;\n\t\t}\n\trspderlen = i2d_OCSP_RESPONSE(resp, &rspder);\n\tif (rspderlen <= 0)\n\t\tgoto err;\n\tSSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);\n\tif (srctx->verbose)\n\t\t{\n\t\tBIO_puts(err, "cert_status: ocsp response sent:\\n");\n\t\tOCSP_RESPONSE_print(err, resp, 2);\n\t\t}\n\tret = SSL_TLSEXT_ERR_OK;\n\tdone:\n\tif (ret != SSL_TLSEXT_ERR_OK)\n\t\tERR_print_errors(err);\n\tif (aia)\n\t\t{\n\t\tOPENSSL_free(host);\n\t\tOPENSSL_free(path);\n\t\tOPENSSL_free(port);\n\t\tX509_email_free(aia);\n\t\t}\n\tif (id)\n\t\tOCSP_CERTID_free(id);\n\tif (req)\n\t\tOCSP_REQUEST_free(req);\n\tif (resp)\n\t\tOCSP_RESPONSE_free(resp);\n\treturn ret;\n\terr:\n\tret = SSL_TLSEXT_ERR_ALERT_FATAL;\n\tgoto done;\n\t}', 'int BIO_puts(BIO *b, const char *in)\n\t{\n\tint i;\n\tlong (*cb)(BIO *,int,const char *,int,long,long);\n\tif ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL))\n\t\t{\n\t\tBIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD);\n\t\treturn(-2);\n\t\t}\n\tcb=b->callback;\n\tif ((cb != NULL) &&\n\t\t((i=(int)cb(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0))\n\t\t\treturn(i);\n\tif (!b->init)\n\t\t{\n\t\tBIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITIALIZED);\n\t\treturn(-2);\n\t\t}\n\ti=b->method->bputs(b,in);\n\tif (i > 0) b->num_write+=(unsigned long)i;\n\tif (cb != NULL)\n\t\ti=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0,\n\t\t\t0L,(long)i);\n\treturn(i);\n\t}', 'X509 *SSL_get_certificate(const SSL *s)\n\t{\n\tif (s->cert != NULL)\n\t\treturn(s->cert->key->x509);\n\telse\n\t\treturn(NULL);\n\t}'] |
16,302 | 0 | https://github.com/libav/libav/blob/64233e702a95df9167e3362e58aae4e82ce2ddf8/ffmpeg.c/#L1325 | static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
int frame_size)
{
AVCodecContext *enc;
int frame_number;
double ti1, bitrate, avg_bitrate;
if (!vstats_file) {
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
ffmpeg_exit(1);
}
}
enc = ost->st->codec;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
if (enc->flags&CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
ti1 = ost->sync_opts * av_q2d(enc->time_base);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
}
} | ['static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,\n int frame_size)\n{\n AVCodecContext *enc;\n int frame_number;\n double ti1, bitrate, avg_bitrate;\n if (!vstats_file) {\n vstats_file = fopen(vstats_filename, "w");\n if (!vstats_file) {\n perror("fopen");\n ffmpeg_exit(1);\n }\n }\n enc = ost->st->codec;\n if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {\n frame_number = ost->frame_number;\n fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);\n if (enc->flags&CODEC_FLAG_PSNR)\n fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));\n fprintf(vstats_file,"f_size= %6d ", frame_size);\n ti1 = ost->sync_opts * av_q2d(enc->time_base);\n if (ti1 < 0.01)\n ti1 = 0.01;\n bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;\n avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;\n fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",\n (double)video_size / 1024, ti1, bitrate, avg_bitrate);\n fprintf(vstats_file,"type= %c\\n", av_get_pict_type_char(enc->coded_frame->pict_type));\n }\n}'] |
16,303 | 0 | https://github.com/libav/libav/blob/7684a36113fa12c88ba80b5498f05849a6b58632/libavformat/flvdec.c/#L847 | static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
{
FLVContext *flv = s->priv_data;
int ret, i, type, size, flags, is_audio;
int64_t next, pos;
int64_t dts, pts = AV_NOPTS_VALUE;
int sample_rate = 0, channels = 0;
AVStream *st = NULL;
for (;; avio_skip(s->pb, 4)) {
pos = avio_tell(s->pb);
type = avio_r8(s->pb);
size = avio_rb24(s->pb);
dts = avio_rb24(s->pb);
dts |= avio_r8(s->pb) << 24;
av_dlog(s, "type:%d, size:%d, dts:%"PRId64"\n", type, size, dts);
if (s->pb->eof_reached)
return AVERROR_EOF;
avio_skip(s->pb, 3);
flags = 0;
if (flv->validate_next < flv->validate_count) {
int64_t validate_pos = flv->validate_index[flv->validate_next].pos;
if (pos == validate_pos) {
if (FFABS(dts - flv->validate_index[flv->validate_next].dts) <=
VALIDATE_INDEX_TS_THRESH) {
flv->validate_next++;
} else {
clear_index_entries(s, validate_pos);
flv->validate_count = 0;
}
} else if (pos > validate_pos) {
clear_index_entries(s, validate_pos);
flv->validate_count = 0;
}
}
if (size == 0)
continue;
next = size + avio_tell(s->pb);
if (type == FLV_TAG_TYPE_AUDIO) {
is_audio = 1;
flags = avio_r8(s->pb);
size--;
} else if (type == FLV_TAG_TYPE_VIDEO) {
is_audio = 0;
flags = avio_r8(s->pb);
size--;
if ((flags & 0xf0) == 0x50)
goto skip;
} else {
if (type == FLV_TAG_TYPE_META && size > 13 + 1 + 4)
if (flv_read_metabody(s, next) > 0) {
return flv_data_packet(s, pkt, dts, next);
} else
av_log(s, AV_LOG_DEBUG,
"skipping flv packet: type %d, size %d, flags %d\n",
type, size, flags);
skip:
avio_seek(s->pb, next, SEEK_SET);
continue;
}
if (!size)
continue;
for (i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
if (is_audio && st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if (flv_same_audio_codec(st->codec, flags))
break;
} else if (!is_audio &&
st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if (flv_same_video_codec(st->codec, flags))
break;
}
}
if (i == s->nb_streams)
st = create_stream(s, is_audio ? AVMEDIA_TYPE_AUDIO
: AVMEDIA_TYPE_VIDEO);
av_dlog(s, "%d %X %d \n", is_audio, flags, st->discard);
if ((st->discard >= AVDISCARD_NONKEY &&
!((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY || is_audio)) ||
(st->discard >= AVDISCARD_BIDIR &&
((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_DISP_INTER && !is_audio)) ||
st->discard >= AVDISCARD_ALL) {
avio_seek(s->pb, next, SEEK_SET);
continue;
}
if ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY)
av_add_index_entry(st, pos, dts, size, 0, AVINDEX_KEYFRAME);
break;
}
if (s->pb->seekable && (!s->duration || s->duration == AV_NOPTS_VALUE)) {
int size;
const int64_t pos = avio_tell(s->pb);
const int64_t fsize = avio_size(s->pb);
avio_seek(s->pb, fsize - 4, SEEK_SET);
size = avio_rb32(s->pb);
avio_seek(s->pb, fsize - 3 - size, SEEK_SET);
if (size == avio_rb24(s->pb) + 11) {
uint32_t ts = avio_rb24(s->pb);
ts |= avio_r8(s->pb) << 24;
s->duration = ts * (int64_t)AV_TIME_BASE / 1000;
}
avio_seek(s->pb, pos, SEEK_SET);
}
if (is_audio) {
int bits_per_coded_sample;
channels = (flags & FLV_AUDIO_CHANNEL_MASK) == FLV_STEREO ? 2 : 1;
sample_rate = 44100 << ((flags & FLV_AUDIO_SAMPLERATE_MASK) >>
FLV_AUDIO_SAMPLERATE_OFFSET) >> 3;
bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8;
if (!st->codec->channels || !st->codec->sample_rate ||
!st->codec->bits_per_coded_sample) {
st->codec->channels = channels;
st->codec->channel_layout = channels == 1
? AV_CH_LAYOUT_MONO
: AV_CH_LAYOUT_STEREO;
st->codec->sample_rate = sample_rate;
st->codec->bits_per_coded_sample = bits_per_coded_sample;
}
if (!st->codec->codec_id) {
flv_set_audio_codec(s, st, st->codec,
flags & FLV_AUDIO_CODECID_MASK);
flv->last_sample_rate =
sample_rate = st->codec->sample_rate;
flv->last_channels =
channels = st->codec->channels;
} else {
AVCodecContext ctx;
ctx.sample_rate = sample_rate;
flv_set_audio_codec(s, st, &ctx, flags & FLV_AUDIO_CODECID_MASK);
sample_rate = ctx.sample_rate;
}
} else {
size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK, 1);
}
if (st->codec->codec_id == AV_CODEC_ID_AAC ||
st->codec->codec_id == AV_CODEC_ID_H264) {
int type = avio_r8(s->pb);
size--;
if (st->codec->codec_id == AV_CODEC_ID_H264) {
int32_t cts = (avio_rb24(s->pb) + 0xff800000) ^ 0xff800000;
pts = dts + cts;
if (cts < 0) {
flv->wrong_dts = 1;
av_log(s, AV_LOG_WARNING,
"negative cts, previous timestamps might be wrong\n");
}
if (flv->wrong_dts)
dts = AV_NOPTS_VALUE;
}
if (type == 0) {
if (st->codec->extradata) {
if ((ret = flv_queue_extradata(flv, s->pb, is_audio, size)) < 0)
return ret;
ret = AVERROR(EAGAIN);
goto leave;
}
if ((ret = flv_get_extradata(s, st, size)) < 0)
return ret;
if (st->codec->codec_id == AV_CODEC_ID_AAC) {
MPEG4AudioConfig cfg;
avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
st->codec->extradata_size * 8, 1);
st->codec->channels = cfg.channels;
st->codec->channel_layout = 0;
if (cfg.ext_sample_rate)
st->codec->sample_rate = cfg.ext_sample_rate;
else
st->codec->sample_rate = cfg.sample_rate;
av_dlog(s, "mp4a config channels %d sample rate %d\n",
st->codec->channels, st->codec->sample_rate);
}
ret = AVERROR(EAGAIN);
goto leave;
}
}
if (!size) {
ret = AVERROR(EAGAIN);
goto leave;
}
ret = av_get_packet(s->pb, pkt, size);
if (ret < 0)
return AVERROR(EIO);
pkt->size = ret;
pkt->dts = dts;
pkt->pts = pts == AV_NOPTS_VALUE ? dts : pts;
pkt->stream_index = st->index;
if (flv->new_extradata[is_audio]) {
uint8_t *side = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
flv->new_extradata_size[is_audio]);
if (side) {
memcpy(side, flv->new_extradata[is_audio],
flv->new_extradata_size[is_audio]);
av_freep(&flv->new_extradata[is_audio]);
flv->new_extradata_size[is_audio] = 0;
}
}
if (is_audio && (sample_rate != flv->last_sample_rate ||
channels != flv->last_channels)) {
flv->last_sample_rate = sample_rate;
flv->last_channels = channels;
ff_add_param_change(pkt, channels, 0, sample_rate, 0, 0);
}
if (is_audio || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY))
pkt->flags |= AV_PKT_FLAG_KEY;
leave:
avio_skip(s->pb, 4);
return ret;
} | ['static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)\n{\n FLVContext *flv = s->priv_data;\n int ret, i, type, size, flags, is_audio;\n int64_t next, pos;\n int64_t dts, pts = AV_NOPTS_VALUE;\n int sample_rate = 0, channels = 0;\n AVStream *st = NULL;\n for (;; avio_skip(s->pb, 4)) {\n pos = avio_tell(s->pb);\n type = avio_r8(s->pb);\n size = avio_rb24(s->pb);\n dts = avio_rb24(s->pb);\n dts |= avio_r8(s->pb) << 24;\n av_dlog(s, "type:%d, size:%d, dts:%"PRId64"\\n", type, size, dts);\n if (s->pb->eof_reached)\n return AVERROR_EOF;\n avio_skip(s->pb, 3);\n flags = 0;\n if (flv->validate_next < flv->validate_count) {\n int64_t validate_pos = flv->validate_index[flv->validate_next].pos;\n if (pos == validate_pos) {\n if (FFABS(dts - flv->validate_index[flv->validate_next].dts) <=\n VALIDATE_INDEX_TS_THRESH) {\n flv->validate_next++;\n } else {\n clear_index_entries(s, validate_pos);\n flv->validate_count = 0;\n }\n } else if (pos > validate_pos) {\n clear_index_entries(s, validate_pos);\n flv->validate_count = 0;\n }\n }\n if (size == 0)\n continue;\n next = size + avio_tell(s->pb);\n if (type == FLV_TAG_TYPE_AUDIO) {\n is_audio = 1;\n flags = avio_r8(s->pb);\n size--;\n } else if (type == FLV_TAG_TYPE_VIDEO) {\n is_audio = 0;\n flags = avio_r8(s->pb);\n size--;\n if ((flags & 0xf0) == 0x50)\n goto skip;\n } else {\n if (type == FLV_TAG_TYPE_META && size > 13 + 1 + 4)\n if (flv_read_metabody(s, next) > 0) {\n return flv_data_packet(s, pkt, dts, next);\n } else\n av_log(s, AV_LOG_DEBUG,\n "skipping flv packet: type %d, size %d, flags %d\\n",\n type, size, flags);\nskip:\n avio_seek(s->pb, next, SEEK_SET);\n continue;\n }\n if (!size)\n continue;\n for (i = 0; i < s->nb_streams; i++) {\n st = s->streams[i];\n if (is_audio && st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {\n if (flv_same_audio_codec(st->codec, flags))\n break;\n } else if (!is_audio &&\n st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {\n if (flv_same_video_codec(st->codec, flags))\n break;\n }\n }\n if (i == s->nb_streams)\n st = create_stream(s, is_audio ? AVMEDIA_TYPE_AUDIO\n : AVMEDIA_TYPE_VIDEO);\n av_dlog(s, "%d %X %d \\n", is_audio, flags, st->discard);\n if ((st->discard >= AVDISCARD_NONKEY &&\n !((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY || is_audio)) ||\n (st->discard >= AVDISCARD_BIDIR &&\n ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_DISP_INTER && !is_audio)) ||\n st->discard >= AVDISCARD_ALL) {\n avio_seek(s->pb, next, SEEK_SET);\n continue;\n }\n if ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY)\n av_add_index_entry(st, pos, dts, size, 0, AVINDEX_KEYFRAME);\n break;\n }\n if (s->pb->seekable && (!s->duration || s->duration == AV_NOPTS_VALUE)) {\n int size;\n const int64_t pos = avio_tell(s->pb);\n const int64_t fsize = avio_size(s->pb);\n avio_seek(s->pb, fsize - 4, SEEK_SET);\n size = avio_rb32(s->pb);\n avio_seek(s->pb, fsize - 3 - size, SEEK_SET);\n if (size == avio_rb24(s->pb) + 11) {\n uint32_t ts = avio_rb24(s->pb);\n ts |= avio_r8(s->pb) << 24;\n s->duration = ts * (int64_t)AV_TIME_BASE / 1000;\n }\n avio_seek(s->pb, pos, SEEK_SET);\n }\n if (is_audio) {\n int bits_per_coded_sample;\n channels = (flags & FLV_AUDIO_CHANNEL_MASK) == FLV_STEREO ? 2 : 1;\n sample_rate = 44100 << ((flags & FLV_AUDIO_SAMPLERATE_MASK) >>\n FLV_AUDIO_SAMPLERATE_OFFSET) >> 3;\n bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8;\n if (!st->codec->channels || !st->codec->sample_rate ||\n !st->codec->bits_per_coded_sample) {\n st->codec->channels = channels;\n st->codec->channel_layout = channels == 1\n ? AV_CH_LAYOUT_MONO\n : AV_CH_LAYOUT_STEREO;\n st->codec->sample_rate = sample_rate;\n st->codec->bits_per_coded_sample = bits_per_coded_sample;\n }\n if (!st->codec->codec_id) {\n flv_set_audio_codec(s, st, st->codec,\n flags & FLV_AUDIO_CODECID_MASK);\n flv->last_sample_rate =\n sample_rate = st->codec->sample_rate;\n flv->last_channels =\n channels = st->codec->channels;\n } else {\n AVCodecContext ctx;\n ctx.sample_rate = sample_rate;\n flv_set_audio_codec(s, st, &ctx, flags & FLV_AUDIO_CODECID_MASK);\n sample_rate = ctx.sample_rate;\n }\n } else {\n size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK, 1);\n }\n if (st->codec->codec_id == AV_CODEC_ID_AAC ||\n st->codec->codec_id == AV_CODEC_ID_H264) {\n int type = avio_r8(s->pb);\n size--;\n if (st->codec->codec_id == AV_CODEC_ID_H264) {\n int32_t cts = (avio_rb24(s->pb) + 0xff800000) ^ 0xff800000;\n pts = dts + cts;\n if (cts < 0) {\n flv->wrong_dts = 1;\n av_log(s, AV_LOG_WARNING,\n "negative cts, previous timestamps might be wrong\\n");\n }\n if (flv->wrong_dts)\n dts = AV_NOPTS_VALUE;\n }\n if (type == 0) {\n if (st->codec->extradata) {\n if ((ret = flv_queue_extradata(flv, s->pb, is_audio, size)) < 0)\n return ret;\n ret = AVERROR(EAGAIN);\n goto leave;\n }\n if ((ret = flv_get_extradata(s, st, size)) < 0)\n return ret;\n if (st->codec->codec_id == AV_CODEC_ID_AAC) {\n MPEG4AudioConfig cfg;\n avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,\n st->codec->extradata_size * 8, 1);\n st->codec->channels = cfg.channels;\n st->codec->channel_layout = 0;\n if (cfg.ext_sample_rate)\n st->codec->sample_rate = cfg.ext_sample_rate;\n else\n st->codec->sample_rate = cfg.sample_rate;\n av_dlog(s, "mp4a config channels %d sample rate %d\\n",\n st->codec->channels, st->codec->sample_rate);\n }\n ret = AVERROR(EAGAIN);\n goto leave;\n }\n }\n if (!size) {\n ret = AVERROR(EAGAIN);\n goto leave;\n }\n ret = av_get_packet(s->pb, pkt, size);\n if (ret < 0)\n return AVERROR(EIO);\n pkt->size = ret;\n pkt->dts = dts;\n pkt->pts = pts == AV_NOPTS_VALUE ? dts : pts;\n pkt->stream_index = st->index;\n if (flv->new_extradata[is_audio]) {\n uint8_t *side = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,\n flv->new_extradata_size[is_audio]);\n if (side) {\n memcpy(side, flv->new_extradata[is_audio],\n flv->new_extradata_size[is_audio]);\n av_freep(&flv->new_extradata[is_audio]);\n flv->new_extradata_size[is_audio] = 0;\n }\n }\n if (is_audio && (sample_rate != flv->last_sample_rate ||\n channels != flv->last_channels)) {\n flv->last_sample_rate = sample_rate;\n flv->last_channels = channels;\n ff_add_param_change(pkt, channels, 0, sample_rate, 0, 0);\n }\n if (is_audio || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY))\n pkt->flags |= AV_PKT_FLAG_KEY;\nleave:\n avio_skip(s->pb, 4);\n return ret;\n}'] |
16,304 | 0 | https://github.com/openssl/openssl/blob/c43fa566ea3918ec3b468d214fd9eb80d79e0d0d/providers/common/ciphers/aes.c/#L294 | IMPLEMENT_new_ctx(cbc, CBC, 128) | ['IMPLEMENT_new_ctx(cbc, CBC, 128)', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
16,305 | 0 | https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/crypto/kdf/tls1_prf.c/#L271 | static int tls1_prf_alg(const EVP_MD *md,
const unsigned char *sec, size_t slen,
const unsigned char *seed, size_t seed_len,
unsigned char *out, size_t olen)
{
if (EVP_MD_type(md) == NID_md5_sha1) {
size_t i;
unsigned char *tmp;
if (!tls1_prf_P_hash(EVP_md5(), sec, slen/2 + (slen & 1),
seed, seed_len, out, olen))
return 0;
tmp = OPENSSL_malloc(olen);
if (tmp == NULL)
return 0;
if (!tls1_prf_P_hash(EVP_sha1(), sec + slen/2, slen/2 + (slen & 1),
seed, seed_len, tmp, olen)) {
OPENSSL_clear_free(tmp, olen);
return 0;
}
for (i = 0; i < olen; i++)
out[i] ^= tmp[i];
OPENSSL_clear_free(tmp, olen);
return 1;
}
if (!tls1_prf_P_hash(md, sec, slen, seed, seed_len, out, olen))
return 0;
return 1;
} | ['static int tls1_prf_alg(const EVP_MD *md,\n const unsigned char *sec, size_t slen,\n const unsigned char *seed, size_t seed_len,\n unsigned char *out, size_t olen)\n{\n if (EVP_MD_type(md) == NID_md5_sha1) {\n size_t i;\n unsigned char *tmp;\n if (!tls1_prf_P_hash(EVP_md5(), sec, slen/2 + (slen & 1),\n seed, seed_len, out, olen))\n return 0;\n tmp = OPENSSL_malloc(olen);\n if (tmp == NULL)\n return 0;\n if (!tls1_prf_P_hash(EVP_sha1(), sec + slen/2, slen/2 + (slen & 1),\n seed, seed_len, tmp, olen)) {\n OPENSSL_clear_free(tmp, olen);\n return 0;\n }\n for (i = 0; i < olen; i++)\n out[i] ^= tmp[i];\n OPENSSL_clear_free(tmp, olen);\n return 1;\n }\n if (!tls1_prf_P_hash(md, sec, slen, seed, seed_len, out, olen))\n return 0;\n return 1;\n}', 'int EVP_MD_type(const EVP_MD *md)\n{\n return md->type;\n}', 'const EVP_MD *EVP_md5(void)\n{\n return (&md5_md);\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'const EVP_MD *EVP_sha1(void)\n{\n return (&sha1_md);\n}', 'void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return;\n if (num)\n OPENSSL_cleanse(str, num);\n CRYPTO_free(str, file, line);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
16,306 | 0 | https://github.com/openssl/openssl/blob/1a50eedf2a1fbb1e0e009ad616d8be678e4c6340/crypto/ec/ec_mult.c/#L494 | int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
size_t num, const EC_POINT *points[], const BIGNUM *scalars[],
BN_CTX *ctx)
{
const EC_POINT *generator = NULL;
EC_POINT *tmp = NULL;
size_t totalnum;
size_t blocksize = 0, numblocks = 0;
size_t pre_points_per_block = 0;
size_t i, j;
int k;
int r_is_inverted = 0;
int r_is_at_infinity = 1;
size_t *wsize = NULL;
signed char **wNAF = NULL;
size_t *wNAF_len = NULL;
size_t max_len = 0;
size_t num_val;
EC_POINT **val = NULL;
EC_POINT **v;
EC_POINT ***val_sub = NULL;
const EC_PRE_COMP *pre_comp = NULL;
int num_scalar = 0;
int ret = 0;
if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {
if ((scalar != NULL) && (num == 0)) {
return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);
}
if ((scalar == NULL) && (num == 1)) {
return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);
}
}
if (scalar != NULL) {
generator = EC_GROUP_get0_generator(group);
if (generator == NULL) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);
goto err;
}
pre_comp = group->pre_comp.ec;
if (pre_comp && pre_comp->numblocks
&& (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==
0)) {
blocksize = pre_comp->blocksize;
numblocks = (BN_num_bits(scalar) / blocksize) + 1;
if (numblocks > pre_comp->numblocks)
numblocks = pre_comp->numblocks;
pre_points_per_block = (size_t)1 << (pre_comp->w - 1);
if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
pre_comp = NULL;
numblocks = 1;
num_scalar = 1;
}
}
totalnum = num + numblocks;
wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));
wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));
wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));
val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));
if (wNAF != NULL)
wNAF[0] = NULL;
if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
num_val = 0;
for (i = 0; i < num + num_scalar; i++) {
size_t bits;
bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);
wsize[i] = EC_window_bits_for_scalar_size(bits);
num_val += (size_t)1 << (wsize[i] - 1);
wNAF[i + 1] = NULL;
wNAF[i] =
bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],
&wNAF_len[i]);
if (wNAF[i] == NULL)
goto err;
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
}
if (numblocks) {
if (pre_comp == NULL) {
if (num_scalar != 1) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
signed char *tmp_wNAF = NULL;
size_t tmp_len = 0;
if (num_scalar != 0) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
wsize[num] = pre_comp->w;
tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);
if (!tmp_wNAF)
goto err;
if (tmp_len <= max_len) {
numblocks = 1;
totalnum = num + 1;
wNAF[num] = tmp_wNAF;
wNAF[num + 1] = NULL;
wNAF_len[num] = tmp_len;
val_sub[num] = pre_comp->points;
} else {
signed char *pp;
EC_POINT **tmp_points;
if (tmp_len < numblocks * blocksize) {
numblocks = (tmp_len + blocksize - 1) / blocksize;
if (numblocks > pre_comp->numblocks) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
totalnum = num + numblocks;
}
pp = tmp_wNAF;
tmp_points = pre_comp->points;
for (i = num; i < totalnum; i++) {
if (i < totalnum - 1) {
wNAF_len[i] = blocksize;
if (tmp_len < blocksize) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
tmp_len -= blocksize;
} else
wNAF_len[i] = tmp_len;
wNAF[i + 1] = NULL;
wNAF[i] = OPENSSL_malloc(wNAF_len[i]);
if (wNAF[i] == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(tmp_wNAF);
goto err;
}
memcpy(wNAF[i], pp, wNAF_len[i]);
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
if (*tmp_points == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
val_sub[i] = tmp_points;
tmp_points += pre_points_per_block;
pp += blocksize;
}
OPENSSL_free(tmp_wNAF);
}
}
}
val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));
if (val == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
val[num_val] = NULL;
v = val;
for (i = 0; i < num + num_scalar; i++) {
val_sub[i] = v;
for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {
*v = EC_POINT_new(group);
if (*v == NULL)
goto err;
v++;
}
}
if (!(v == val + num_val)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((tmp = EC_POINT_new(group)) == NULL)
goto err;
for (i = 0; i < num + num_scalar; i++) {
if (i < num) {
if (!EC_POINT_copy(val_sub[i][0], points[i]))
goto err;
} else {
if (!EC_POINT_copy(val_sub[i][0], generator))
goto err;
}
if (wsize[i] > 1) {
if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))
goto err;
for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {
if (!EC_POINT_add
(group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))
goto err;
}
}
}
if (!EC_POINTs_make_affine(group, num_val, val, ctx))
goto err;
r_is_at_infinity = 1;
for (k = max_len - 1; k >= 0; k--) {
if (!r_is_at_infinity) {
if (!EC_POINT_dbl(group, r, r, ctx))
goto err;
}
for (i = 0; i < totalnum; i++) {
if (wNAF_len[i] > (size_t)k) {
int digit = wNAF[i][k];
int is_neg;
if (digit) {
is_neg = digit < 0;
if (is_neg)
digit = -digit;
if (is_neg != r_is_inverted) {
if (!r_is_at_infinity) {
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
r_is_inverted = !r_is_inverted;
}
if (r_is_at_infinity) {
if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))
goto err;
r_is_at_infinity = 0;
} else {
if (!EC_POINT_add
(group, r, r, val_sub[i][digit >> 1], ctx))
goto err;
}
}
}
}
}
if (r_is_at_infinity) {
if (!EC_POINT_set_to_infinity(group, r))
goto err;
} else {
if (r_is_inverted)
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
ret = 1;
err:
EC_POINT_free(tmp);
OPENSSL_free(wsize);
OPENSSL_free(wNAF_len);
if (wNAF != NULL) {
signed char **w;
for (w = wNAF; *w != NULL; w++)
OPENSSL_free(*w);
OPENSSL_free(wNAF);
}
if (val != NULL) {
for (v = val; *v != NULL; v++)
EC_POINT_clear_free(*v);
OPENSSL_free(val);
}
OPENSSL_free(val_sub);
return ret;
} | ['int sm2_encrypt(const EC_KEY *key,\n const EVP_MD *digest,\n const uint8_t *msg,\n size_t msg_len, uint8_t *ciphertext_buf, size_t *ciphertext_len)\n{\n int rc = 0, ciphertext_leni;\n size_t i;\n BN_CTX *ctx = NULL;\n BIGNUM *k = NULL;\n BIGNUM *x1 = NULL;\n BIGNUM *y1 = NULL;\n BIGNUM *x2 = NULL;\n BIGNUM *y2 = NULL;\n EVP_MD_CTX *hash = EVP_MD_CTX_new();\n struct SM2_Ciphertext_st ctext_struct;\n const EC_GROUP *group = EC_KEY_get0_group(key);\n const BIGNUM *order = EC_GROUP_get0_order(group);\n const EC_POINT *P = EC_KEY_get0_public_key(key);\n EC_POINT *kG = NULL;\n EC_POINT *kP = NULL;\n uint8_t *msg_mask = NULL;\n uint8_t *x2y2 = NULL;\n uint8_t *C3 = NULL;\n size_t field_size;\n const int C3_size = EVP_MD_size(digest);\n ctext_struct.C2 = NULL;\n ctext_struct.C3 = NULL;\n if (hash == NULL || C3_size <= 0) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto done;\n }\n field_size = ec_field_size(group);\n if (field_size == 0) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto done;\n }\n kG = EC_POINT_new(group);\n kP = EC_POINT_new(group);\n ctx = BN_CTX_new();\n if (kG == NULL || kP == NULL || ctx == NULL) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto done;\n }\n BN_CTX_start(ctx);\n k = BN_CTX_get(ctx);\n x1 = BN_CTX_get(ctx);\n x2 = BN_CTX_get(ctx);\n y1 = BN_CTX_get(ctx);\n y2 = BN_CTX_get(ctx);\n if (y2 == NULL) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_BN_LIB);\n goto done;\n }\n x2y2 = OPENSSL_zalloc(2 * field_size);\n C3 = OPENSSL_zalloc(C3_size);\n if (x2y2 == NULL || C3 == NULL) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto done;\n }\n memset(ciphertext_buf, 0, *ciphertext_len);\n if (!BN_priv_rand_range(k, order)) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto done;\n }\n if (!EC_POINT_mul(group, kG, k, NULL, NULL, ctx)\n || !EC_POINT_get_affine_coordinates_GFp(group, kG, x1, y1, ctx)\n || !EC_POINT_mul(group, kP, NULL, P, k, ctx)\n || !EC_POINT_get_affine_coordinates_GFp(group, kP, x2, y2, ctx)) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_EC_LIB);\n goto done;\n }\n if (BN_bn2binpad(x2, x2y2, field_size) < 0\n || BN_bn2binpad(y2, x2y2 + field_size, field_size) < 0) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto done;\n }\n msg_mask = OPENSSL_zalloc(msg_len);\n if (msg_mask == NULL) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto done;\n }\n if (!ECDH_KDF_X9_62(msg_mask, msg_len, x2y2, 2 * field_size, NULL, 0,\n digest)) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_EVP_LIB);\n goto done;\n }\n for (i = 0; i != msg_len; ++i)\n msg_mask[i] ^= msg[i];\n if (EVP_DigestInit(hash, digest) == 0\n || EVP_DigestUpdate(hash, x2y2, field_size) == 0\n || EVP_DigestUpdate(hash, msg, msg_len) == 0\n || EVP_DigestUpdate(hash, x2y2 + field_size, field_size) == 0\n || EVP_DigestFinal(hash, C3, NULL) == 0) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_EVP_LIB);\n goto done;\n }\n ctext_struct.C1x = x1;\n ctext_struct.C1y = y1;\n ctext_struct.C3 = ASN1_OCTET_STRING_new();\n ctext_struct.C2 = ASN1_OCTET_STRING_new();\n if (ctext_struct.C3 == NULL || ctext_struct.C2 == NULL) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto done;\n }\n if (!ASN1_OCTET_STRING_set(ctext_struct.C3, C3, C3_size)\n || !ASN1_OCTET_STRING_set(ctext_struct.C2, msg_mask, msg_len)) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto done;\n }\n ciphertext_leni = i2d_SM2_Ciphertext(&ctext_struct, &ciphertext_buf);\n if (ciphertext_leni < 0) {\n SM2err(SM2_F_SM2_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto done;\n }\n *ciphertext_len = (size_t)ciphertext_leni;\n rc = 1;\n done:\n ASN1_OCTET_STRING_free(ctext_struct.C2);\n ASN1_OCTET_STRING_free(ctext_struct.C3);\n OPENSSL_free(msg_mask);\n OPENSSL_free(x2y2);\n OPENSSL_free(C3);\n EVP_MD_CTX_free(hash);\n BN_CTX_free(ctx);\n EC_POINT_free(kG);\n EC_POINT_free(kP);\n return rc;\n}', 'int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar,\n const EC_POINT *point, const BIGNUM *p_scalar, BN_CTX *ctx)\n{\n const EC_POINT *points[1];\n const BIGNUM *scalars[1];\n points[0] = point;\n scalars[0] = p_scalar;\n return EC_POINTs_mul(group, r, g_scalar,\n (point != NULL\n && p_scalar != NULL), points, scalars, ctx);\n}', 'int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[],\n const BIGNUM *scalars[], BN_CTX *ctx)\n{\n int ret = 0;\n size_t i = 0;\n BN_CTX *new_ctx = NULL;\n if ((scalar == NULL) && (num == 0)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n if (!ec_point_is_compat(r, group)) {\n ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n for (i = 0; i < num; i++) {\n if (!ec_point_is_compat(points[i], group)) {\n ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n }\n if (ctx == NULL && (ctx = new_ctx = BN_CTX_secure_new()) == NULL) {\n ECerr(EC_F_EC_POINTS_MUL, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (group->meth->mul != NULL)\n ret = group->meth->mul(group, r, scalar, num, points, scalars, ctx);\n else\n ret = ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[], const BIGNUM *scalars[],\n BN_CTX *ctx)\n{\n const EC_POINT *generator = NULL;\n EC_POINT *tmp = NULL;\n size_t totalnum;\n size_t blocksize = 0, numblocks = 0;\n size_t pre_points_per_block = 0;\n size_t i, j;\n int k;\n int r_is_inverted = 0;\n int r_is_at_infinity = 1;\n size_t *wsize = NULL;\n signed char **wNAF = NULL;\n size_t *wNAF_len = NULL;\n size_t max_len = 0;\n size_t num_val;\n EC_POINT **val = NULL;\n EC_POINT **v;\n EC_POINT ***val_sub = NULL;\n const EC_PRE_COMP *pre_comp = NULL;\n int num_scalar = 0;\n int ret = 0;\n if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {\n if ((scalar != NULL) && (num == 0)) {\n return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);\n }\n if ((scalar == NULL) && (num == 1)) {\n return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);\n }\n }\n if (scalar != NULL) {\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n pre_comp = group->pre_comp.ec;\n if (pre_comp && pre_comp->numblocks\n && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==\n 0)) {\n blocksize = pre_comp->blocksize;\n numblocks = (BN_num_bits(scalar) / blocksize) + 1;\n if (numblocks > pre_comp->numblocks)\n numblocks = pre_comp->numblocks;\n pre_points_per_block = (size_t)1 << (pre_comp->w - 1);\n if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n pre_comp = NULL;\n numblocks = 1;\n num_scalar = 1;\n }\n }\n totalnum = num + numblocks;\n wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));\n wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));\n wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));\n val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));\n if (wNAF != NULL)\n wNAF[0] = NULL;\n if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n num_val = 0;\n for (i = 0; i < num + num_scalar; i++) {\n size_t bits;\n bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);\n wsize[i] = EC_window_bits_for_scalar_size(bits);\n num_val += (size_t)1 << (wsize[i] - 1);\n wNAF[i + 1] = NULL;\n wNAF[i] =\n bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],\n &wNAF_len[i]);\n if (wNAF[i] == NULL)\n goto err;\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n }\n if (numblocks) {\n if (pre_comp == NULL) {\n if (num_scalar != 1) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n signed char *tmp_wNAF = NULL;\n size_t tmp_len = 0;\n if (num_scalar != 0) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n wsize[num] = pre_comp->w;\n tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);\n if (!tmp_wNAF)\n goto err;\n if (tmp_len <= max_len) {\n numblocks = 1;\n totalnum = num + 1;\n wNAF[num] = tmp_wNAF;\n wNAF[num + 1] = NULL;\n wNAF_len[num] = tmp_len;\n val_sub[num] = pre_comp->points;\n } else {\n signed char *pp;\n EC_POINT **tmp_points;\n if (tmp_len < numblocks * blocksize) {\n numblocks = (tmp_len + blocksize - 1) / blocksize;\n if (numblocks > pre_comp->numblocks) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n totalnum = num + numblocks;\n }\n pp = tmp_wNAF;\n tmp_points = pre_comp->points;\n for (i = num; i < totalnum; i++) {\n if (i < totalnum - 1) {\n wNAF_len[i] = blocksize;\n if (tmp_len < blocksize) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n tmp_len -= blocksize;\n } else\n wNAF_len[i] = tmp_len;\n wNAF[i + 1] = NULL;\n wNAF[i] = OPENSSL_malloc(wNAF_len[i]);\n if (wNAF[i] == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n memcpy(wNAF[i], pp, wNAF_len[i]);\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n if (*tmp_points == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n val_sub[i] = tmp_points;\n tmp_points += pre_points_per_block;\n pp += blocksize;\n }\n OPENSSL_free(tmp_wNAF);\n }\n }\n }\n val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));\n if (val == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n val[num_val] = NULL;\n v = val;\n for (i = 0; i < num + num_scalar; i++) {\n val_sub[i] = v;\n for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n *v = EC_POINT_new(group);\n if (*v == NULL)\n goto err;\n v++;\n }\n }\n if (!(v == val + num_val)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if ((tmp = EC_POINT_new(group)) == NULL)\n goto err;\n for (i = 0; i < num + num_scalar; i++) {\n if (i < num) {\n if (!EC_POINT_copy(val_sub[i][0], points[i]))\n goto err;\n } else {\n if (!EC_POINT_copy(val_sub[i][0], generator))\n goto err;\n }\n if (wsize[i] > 1) {\n if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))\n goto err;\n for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n if (!EC_POINT_add\n (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))\n goto err;\n }\n }\n }\n if (!EC_POINTs_make_affine(group, num_val, val, ctx))\n goto err;\n r_is_at_infinity = 1;\n for (k = max_len - 1; k >= 0; k--) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_dbl(group, r, r, ctx))\n goto err;\n }\n for (i = 0; i < totalnum; i++) {\n if (wNAF_len[i] > (size_t)k) {\n int digit = wNAF[i][k];\n int is_neg;\n if (digit) {\n is_neg = digit < 0;\n if (is_neg)\n digit = -digit;\n if (is_neg != r_is_inverted) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n r_is_inverted = !r_is_inverted;\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))\n goto err;\n r_is_at_infinity = 0;\n } else {\n if (!EC_POINT_add\n (group, r, r, val_sub[i][digit >> 1], ctx))\n goto err;\n }\n }\n }\n }\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (r_is_inverted)\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n ret = 1;\n err:\n EC_POINT_free(tmp);\n OPENSSL_free(wsize);\n OPENSSL_free(wNAF_len);\n if (wNAF != NULL) {\n signed char **w;\n for (w = wNAF; *w != NULL; w++)\n OPENSSL_free(*w);\n OPENSSL_free(wNAF);\n }\n if (val != NULL) {\n for (v = val; *v != NULL; v++)\n EC_POINT_clear_free(*v);\n OPENSSL_free(val);\n }\n OPENSSL_free(val_sub);\n return ret;\n}'] |
16,307 | 0 | https://github.com/openssl/openssl/blob/249a77f5fb6407185e0a6ad44cd88eda2b6f8946/crypto/x509/x509_vfy.c/#L196 | int X509_verify_cert(X509_STORE_CTX *ctx)
{
X509 *x,*xtmp,*chain_ss=NULL;
X509_NAME *xn;
int bad_chain = 0;
X509_VERIFY_PARAM *param = ctx->param;
int depth,i,ok=0;
int num;
int (*cb)(int xok,X509_STORE_CTX *xctx);
STACK_OF(X509) *sktmp=NULL;
if (ctx->cert == NULL)
{
X509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY);
return -1;
}
cb=ctx->verify_cb;
if (ctx->chain == NULL)
{
if ( ((ctx->chain=sk_X509_new_null()) == NULL) ||
(!sk_X509_push(ctx->chain,ctx->cert)))
{
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
goto end;
}
CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509);
ctx->last_untrusted=1;
}
if (ctx->untrusted != NULL
&& (sktmp=sk_X509_dup(ctx->untrusted)) == NULL)
{
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
goto end;
}
num=sk_X509_num(ctx->chain);
x=sk_X509_value(ctx->chain,num-1);
depth=param->depth;
for (;;)
{
if (depth < num) break;
xn=X509_get_issuer_name(x);
if (ctx->check_issued(ctx, x,x)) break;
if (ctx->untrusted != NULL)
{
xtmp=find_issuer(ctx, sktmp,x);
if (xtmp != NULL)
{
if (!sk_X509_push(ctx->chain,xtmp))
{
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
goto end;
}
CRYPTO_add(&xtmp->references,1,CRYPTO_LOCK_X509);
(void)sk_X509_delete_ptr(sktmp,xtmp);
ctx->last_untrusted++;
x=xtmp;
num++;
continue;
}
}
break;
}
i=sk_X509_num(ctx->chain);
x=sk_X509_value(ctx->chain,i-1);
xn = X509_get_subject_name(x);
if (ctx->check_issued(ctx, x, x))
{
if (sk_X509_num(ctx->chain) == 1)
{
ok = ctx->get_issuer(&xtmp, ctx, x);
if ((ok <= 0) || X509_cmp(x, xtmp))
{
ctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;
ctx->current_cert=x;
ctx->error_depth=i-1;
if (ok == 1) X509_free(xtmp);
bad_chain = 1;
ok=cb(0,ctx);
if (!ok) goto end;
}
else
{
X509_free(x);
x = xtmp;
(void)sk_X509_set(ctx->chain, i - 1, x);
ctx->last_untrusted=0;
}
}
else
{
chain_ss=sk_X509_pop(ctx->chain);
ctx->last_untrusted--;
num--;
x=sk_X509_value(ctx->chain,num-1);
}
}
for (;;)
{
if (depth < num) break;
xn=X509_get_issuer_name(x);
if (ctx->check_issued(ctx,x,x)) break;
ok = ctx->get_issuer(&xtmp, ctx, x);
if (ok < 0) return ok;
if (ok == 0) break;
x = xtmp;
if (!sk_X509_push(ctx->chain,x))
{
X509_free(xtmp);
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
return 0;
}
num++;
}
xn=X509_get_issuer_name(x);
if (!ctx->check_issued(ctx,x,x))
{
if ((chain_ss == NULL) || !ctx->check_issued(ctx, x, chain_ss))
{
if (ctx->last_untrusted >= num)
ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY;
else
ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT;
ctx->current_cert=x;
}
else
{
sk_X509_push(ctx->chain,chain_ss);
num++;
ctx->last_untrusted=num;
ctx->current_cert=chain_ss;
ctx->error=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
chain_ss=NULL;
}
ctx->error_depth=num-1;
bad_chain = 1;
ok=cb(0,ctx);
if (!ok) goto end;
}
ok = check_chain_extensions(ctx);
if (!ok) goto end;
ok = check_name_constraints(ctx);
if (!ok) goto end;
if (param->trust > 0) ok = check_trust(ctx);
if (!ok) goto end;
X509_get_pubkey_parameters(NULL,ctx->chain);
ok = ctx->check_revocation(ctx);
if(!ok) goto end;
if (ctx->verify != NULL)
ok=ctx->verify(ctx);
else
ok=internal_verify(ctx);
if(!ok) goto end;
#ifndef OPENSSL_NO_RFC3779
ok = v3_asid_validate_path(ctx);
if (!ok) goto end;
ok = v3_addr_validate_path(ctx);
if (!ok) goto end;
#endif
if (!bad_chain && (ctx->param->flags & X509_V_FLAG_POLICY_CHECK))
ok = ctx->check_policy(ctx);
if(!ok) goto end;
if (0)
{
end:
X509_get_pubkey_parameters(NULL,ctx->chain);
}
if (sktmp != NULL) sk_X509_free(sktmp);
if (chain_ss != NULL) X509_free(chain_ss);
return ok;
} | ['int X509_verify_cert(X509_STORE_CTX *ctx)\n\t{\n\tX509 *x,*xtmp,*chain_ss=NULL;\n\tX509_NAME *xn;\n\tint bad_chain = 0;\n\tX509_VERIFY_PARAM *param = ctx->param;\n\tint depth,i,ok=0;\n\tint num;\n\tint (*cb)(int xok,X509_STORE_CTX *xctx);\n\tSTACK_OF(X509) *sktmp=NULL;\n\tif (ctx->cert == NULL)\n\t\t{\n\t\tX509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY);\n\t\treturn -1;\n\t\t}\n\tcb=ctx->verify_cb;\n\tif (ctx->chain == NULL)\n\t\t{\n\t\tif (\t((ctx->chain=sk_X509_new_null()) == NULL) ||\n\t\t\t(!sk_X509_push(ctx->chain,ctx->cert)))\n\t\t\t{\n\t\t\tX509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto end;\n\t\t\t}\n\t\tCRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509);\n\t\tctx->last_untrusted=1;\n\t\t}\n\tif (ctx->untrusted != NULL\n\t && (sktmp=sk_X509_dup(ctx->untrusted)) == NULL)\n\t\t{\n\t\tX509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);\n\t\tgoto end;\n\t\t}\n\tnum=sk_X509_num(ctx->chain);\n\tx=sk_X509_value(ctx->chain,num-1);\n\tdepth=param->depth;\n\tfor (;;)\n\t\t{\n\t\tif (depth < num) break;\n\t\txn=X509_get_issuer_name(x);\n\t\tif (ctx->check_issued(ctx, x,x)) break;\n\t\tif (ctx->untrusted != NULL)\n\t\t\t{\n\t\t\txtmp=find_issuer(ctx, sktmp,x);\n\t\t\tif (xtmp != NULL)\n\t\t\t\t{\n\t\t\t\tif (!sk_X509_push(ctx->chain,xtmp))\n\t\t\t\t\t{\n\t\t\t\t\tX509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tCRYPTO_add(&xtmp->references,1,CRYPTO_LOCK_X509);\n\t\t\t\t(void)sk_X509_delete_ptr(sktmp,xtmp);\n\t\t\t\tctx->last_untrusted++;\n\t\t\t\tx=xtmp;\n\t\t\t\tnum++;\n\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t}\n\t\tbreak;\n\t\t}\n\ti=sk_X509_num(ctx->chain);\n\tx=sk_X509_value(ctx->chain,i-1);\n\txn = X509_get_subject_name(x);\n\tif (ctx->check_issued(ctx, x, x))\n\t\t{\n\t\tif (sk_X509_num(ctx->chain) == 1)\n\t\t\t{\n\t\t\tok = ctx->get_issuer(&xtmp, ctx, x);\n\t\t\tif ((ok <= 0) || X509_cmp(x, xtmp))\n\t\t\t\t{\n\t\t\t\tctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;\n\t\t\t\tctx->current_cert=x;\n\t\t\t\tctx->error_depth=i-1;\n\t\t\t\tif (ok == 1) X509_free(xtmp);\n\t\t\t\tbad_chain = 1;\n\t\t\t\tok=cb(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tX509_free(x);\n\t\t\t\tx = xtmp;\n\t\t\t\t(void)sk_X509_set(ctx->chain, i - 1, x);\n\t\t\t\tctx->last_untrusted=0;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tchain_ss=sk_X509_pop(ctx->chain);\n\t\t\tctx->last_untrusted--;\n\t\t\tnum--;\n\t\t\tx=sk_X509_value(ctx->chain,num-1);\n\t\t\t}\n\t\t}\n\tfor (;;)\n\t\t{\n\t\tif (depth < num) break;\n\t\txn=X509_get_issuer_name(x);\n\t\tif (ctx->check_issued(ctx,x,x)) break;\n\t\tok = ctx->get_issuer(&xtmp, ctx, x);\n\t\tif (ok < 0) return ok;\n\t\tif (ok == 0) break;\n\t\tx = xtmp;\n\t\tif (!sk_X509_push(ctx->chain,x))\n\t\t\t{\n\t\t\tX509_free(xtmp);\n\t\t\tX509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);\n\t\t\treturn 0;\n\t\t\t}\n\t\tnum++;\n\t\t}\n\txn=X509_get_issuer_name(x);\n\tif (!ctx->check_issued(ctx,x,x))\n\t\t{\n\t\tif ((chain_ss == NULL) || !ctx->check_issued(ctx, x, chain_ss))\n\t\t\t{\n\t\t\tif (ctx->last_untrusted >= num)\n\t\t\t\tctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY;\n\t\t\telse\n\t\t\t\tctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT;\n\t\t\tctx->current_cert=x;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tsk_X509_push(ctx->chain,chain_ss);\n\t\t\tnum++;\n\t\t\tctx->last_untrusted=num;\n\t\t\tctx->current_cert=chain_ss;\n\t\t\tctx->error=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;\n\t\t\tchain_ss=NULL;\n\t\t\t}\n\t\tctx->error_depth=num-1;\n\t\tbad_chain = 1;\n\t\tok=cb(0,ctx);\n\t\tif (!ok) goto end;\n\t\t}\n\tok = check_chain_extensions(ctx);\n\tif (!ok) goto end;\n\tok = check_name_constraints(ctx);\n\tif (!ok) goto end;\n\tif (param->trust > 0) ok = check_trust(ctx);\n\tif (!ok) goto end;\n\tX509_get_pubkey_parameters(NULL,ctx->chain);\n\tok = ctx->check_revocation(ctx);\n\tif(!ok) goto end;\n\tif (ctx->verify != NULL)\n\t\tok=ctx->verify(ctx);\n\telse\n\t\tok=internal_verify(ctx);\n\tif(!ok) goto end;\n#ifndef OPENSSL_NO_RFC3779\n\tok = v3_asid_validate_path(ctx);\n\tif (!ok) goto end;\n\tok = v3_addr_validate_path(ctx);\n\tif (!ok) goto end;\n#endif\n\tif (!bad_chain && (ctx->param->flags & X509_V_FLAG_POLICY_CHECK))\n\t\tok = ctx->check_policy(ctx);\n\tif(!ok) goto end;\n\tif (0)\n\t\t{\nend:\n\t\tX509_get_pubkey_parameters(NULL,ctx->chain);\n\t\t}\n\tif (sktmp != NULL) sk_X509_free(sktmp);\n\tif (chain_ss != NULL) X509_free(chain_ss);\n\treturn ok;\n\t}', 'int sk_num(const _STACK *st)\n{\n\tif(st == NULL) return -1;\n\treturn st->num;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n\tif(!st || (i < 0) || (i >= st->num)) return NULL;\n\treturn st->data[i];\n}', 'X509_NAME *X509_get_issuer_name(X509 *a)\n\t{\n\treturn(a->cert_info->issuer);\n\t}', 'X509_NAME *X509_get_subject_name(X509 *a)\n\t{\n\treturn(a->cert_info->subject);\n\t}'] |
16,308 | 0 | https://github.com/apache/httpd/blob/8b2ec33ac5d314be345814db08e194ffeda6beb0/modules/proxy/mod_proxy_fcgi.c/#L215 | static apr_status_t send_data(proxy_conn_rec *conn,
struct iovec *vec,
int nvec,
apr_size_t *len,
int blocking)
{
apr_status_t rv = APR_SUCCESS, arv;
apr_size_t written = 0, to_write = 0;
int i, offset;
apr_interval_time_t old_timeout;
apr_socket_t *s = conn->sock;
if (!blocking) {
arv = apr_socket_timeout_get(s, &old_timeout);
if (arv != APR_SUCCESS) {
return arv;
}
arv = apr_socket_timeout_set(s, 0);
if (arv != APR_SUCCESS) {
return arv;
}
}
for (i = 0; i < nvec; i++) {
to_write += vec[i].iov_len;
}
offset = 0;
while (to_write) {
apr_size_t n = 0;
rv = apr_socket_sendv(s, vec + offset, nvec - offset, &n);
if ((rv != APR_SUCCESS) && !APR_STATUS_IS_EAGAIN(rv)) {
break;
}
if (n > 0) {
written += n;
if (written >= to_write)
break;
for (i = offset; i < nvec; ) {
if (n >= vec[i].iov_len) {
offset++;
n -= vec[i++].iov_len;
} else {
vec[i].iov_len -= n;
vec[i].iov_base = (char *) vec[i].iov_base + n;
break;
}
}
}
}
conn->worker->s->transferred += written;
*len = written;
if (!blocking) {
arv = apr_socket_timeout_set(s, old_timeout);
if ((arv != APR_SUCCESS) && (rv == APR_SUCCESS)) {
return arv;
}
}
return rv;
} | ['static apr_status_t send_data(proxy_conn_rec *conn,\n struct iovec *vec,\n int nvec,\n apr_size_t *len,\n int blocking)\n{\n apr_status_t rv = APR_SUCCESS, arv;\n apr_size_t written = 0, to_write = 0;\n int i, offset;\n apr_interval_time_t old_timeout;\n apr_socket_t *s = conn->sock;\n if (!blocking) {\n arv = apr_socket_timeout_get(s, &old_timeout);\n if (arv != APR_SUCCESS) {\n return arv;\n }\n arv = apr_socket_timeout_set(s, 0);\n if (arv != APR_SUCCESS) {\n return arv;\n }\n }\n for (i = 0; i < nvec; i++) {\n to_write += vec[i].iov_len;\n }\n offset = 0;\n while (to_write) {\n apr_size_t n = 0;\n rv = apr_socket_sendv(s, vec + offset, nvec - offset, &n);\n if ((rv != APR_SUCCESS) && !APR_STATUS_IS_EAGAIN(rv)) {\n break;\n }\n if (n > 0) {\n written += n;\n if (written >= to_write)\n break;\n for (i = offset; i < nvec; ) {\n if (n >= vec[i].iov_len) {\n offset++;\n n -= vec[i++].iov_len;\n } else {\n vec[i].iov_len -= n;\n vec[i].iov_base = (char *) vec[i].iov_base + n;\n break;\n }\n }\n }\n }\n conn->worker->s->transferred += written;\n *len = written;\n if (!blocking) {\n arv = apr_socket_timeout_set(s, old_timeout);\n if ((arv != APR_SUCCESS) && (rv == APR_SUCCESS)) {\n return arv;\n }\n }\n return rv;\n}'] |
16,309 | 0 | https://github.com/openssl/openssl/blob/f9df0a7775f483c175cda5832360cccd1db6943a/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int rsa_ossl_private_encrypt(int flen, const unsigned char *from,\n unsigned char *to, RSA *rsa, int padding)\n{\n BIGNUM *f, *ret, *res;\n int i, j, k, num = 0, r = -1;\n unsigned char *buf = NULL;\n BN_CTX *ctx = NULL;\n int local_blinding = 0;\n BIGNUM *unblind = NULL;\n BN_BLINDING *blinding = NULL;\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n f = BN_CTX_get(ctx);\n ret = BN_CTX_get(ctx);\n num = BN_num_bytes(rsa->n);\n buf = OPENSSL_malloc(num);\n if (ret == NULL || buf == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n switch (padding) {\n case RSA_PKCS1_PADDING:\n i = RSA_padding_add_PKCS1_type_1(buf, num, from, flen);\n break;\n case RSA_X931_PADDING:\n i = RSA_padding_add_X931(buf, num, from, flen);\n break;\n case RSA_NO_PADDING:\n i = RSA_padding_add_none(buf, num, from, flen);\n break;\n case RSA_SSLV23_PADDING:\n default:\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);\n goto err;\n }\n if (i <= 0)\n goto err;\n if (BN_bin2bn(buf, num, f) == NULL)\n goto err;\n if (BN_ucmp(f, rsa->n) >= 0) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT,\n RSA_R_DATA_TOO_LARGE_FOR_MODULUS);\n goto err;\n }\n if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {\n blinding = rsa_get_blinding(rsa, &local_blinding, ctx);\n if (blinding == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n }\n if (blinding != NULL) {\n if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!rsa_blinding_convert(blinding, f, unblind, ctx))\n goto err;\n }\n if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||\n ((rsa->p != NULL) &&\n (rsa->q != NULL) &&\n (rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {\n if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))\n goto err;\n } else {\n BIGNUM *d = BN_new();\n if (d == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_n, rsa->lock, rsa->n, ctx)) {\n BN_free(d);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n if (blinding)\n if (!rsa_blinding_invert(blinding, ret, unblind, ctx))\n goto err;\n if (padding == RSA_X931_PADDING) {\n BN_sub(f, rsa->n, ret);\n if (BN_cmp(ret, f) > 0)\n res = f;\n else\n res = ret;\n } else {\n res = ret;\n }\n j = BN_num_bytes(res);\n i = BN_bn2bin(res, &(to[num - j]));\n for (k = 0; k < (num - i); k++)\n to[k] = 0;\n r = num;\n err:\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n OPENSSL_clear_free(buf, num);\n return r;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'static int rsa_blinding_convert(BN_BLINDING *b, BIGNUM *f, BIGNUM *unblind,\n BN_CTX *ctx)\n{\n if (unblind == NULL) {\n return BN_BLINDING_convert_ex(f, NULL, b, ctx);\n } else {\n int ret;\n BN_BLINDING_lock(b);\n ret = BN_BLINDING_convert_ex(f, unblind, b, ctx);\n BN_BLINDING_unlock(b);\n return ret;\n }\n}', 'int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)\n{\n int ret = 1;\n bn_check_top(n);\n if ((b->A == NULL) || (b->Ai == NULL)) {\n BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);\n return (0);\n }\n if (b->counter == -1)\n b->counter = 0;\n else if (!BN_BLINDING_update(b, ctx))\n return (0);\n if (r != NULL) {\n if (!BN_copy(r, b->Ai))\n ret = 0;\n }\n if (!BN_mod_mul(n, n, b->A, b->mod, ctx))\n ret = 0;\n return ret;\n}', 'int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx)\n{\n int ret = 0;\n if ((b->A == NULL) || (b->Ai == NULL)) {\n BNerr(BN_F_BN_BLINDING_UPDATE, BN_R_NOT_INITIALIZED);\n goto err;\n }\n if (b->counter == -1)\n b->counter = 0;\n if (++b->counter == BN_BLINDING_COUNTER && b->e != NULL &&\n !(b->flags & BN_BLINDING_NO_RECREATE)) {\n if (!BN_BLINDING_create_param(b, NULL, NULL, ctx, NULL, NULL))\n goto err;\n } else if (!(b->flags & BN_BLINDING_NO_UPDATE)) {\n if (!BN_mod_mul(b->A, b->A, b->A, b->mod, ctx))\n goto err;\n if (!BN_mod_mul(b->Ai, b->Ai, b->Ai, b->mod, ctx))\n goto err;\n }\n ret = 1;\n err:\n if (b->counter == BN_BLINDING_COUNTER)\n b->counter = 0;\n return (ret);\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n if (a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n rr->top = max - 1;\n else\n rr->top = max;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,310 | 0 | https://github.com/openssl/openssl/blob/7fcdbd839c629f5419a49bf8da28c968c8140c3d/crypto/x509/x509_vfy.c/#L776 | static int check_trust(X509_STORE_CTX *ctx, int num_untrusted)
{
int i;
X509 *x = NULL;
X509 *mx;
SSL_DANE *dane = ctx->dane;
int num = sk_X509_num(ctx->chain);
int trust;
if (DANETLS_HAS_TA(dane) && num_untrusted > 0 && num_untrusted < num) {
switch (trust = check_dane_issuer(ctx, num_untrusted)) {
case X509_TRUST_TRUSTED:
case X509_TRUST_REJECTED:
return trust;
}
}
for (i = num_untrusted; i < num; i++) {
x = sk_X509_value(ctx->chain, i);
trust = X509_check_trust(x, ctx->param->trust, 0);
if (trust == X509_TRUST_TRUSTED)
goto trusted;
if (trust == X509_TRUST_REJECTED)
goto rejected;
}
if (num_untrusted < num) {
if (ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN)
goto trusted;
return X509_TRUST_UNTRUSTED;
}
if (num_untrusted == num && ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN) {
i = 0;
x = sk_X509_value(ctx->chain, i);
mx = lookup_cert_match(ctx, x);
if (!mx)
return X509_TRUST_UNTRUSTED;
trust = X509_check_trust(mx, ctx->param->trust, 0);
if (trust == X509_TRUST_REJECTED) {
X509_free(mx);
goto rejected;
}
(void) sk_X509_set(ctx->chain, 0, mx);
X509_free(x);
ctx->num_untrusted = 0;
goto trusted;
}
return X509_TRUST_UNTRUSTED;
rejected:
if (!verify_cb_cert(ctx, x, i, X509_V_ERR_CERT_REJECTED))
return X509_TRUST_REJECTED;
return X509_TRUST_UNTRUSTED;
trusted:
if (!DANETLS_ENABLED(dane))
return X509_TRUST_TRUSTED;
if (dane->pdpth < 0)
dane->pdpth = num_untrusted;
if (dane->mdpth >= 0)
return X509_TRUST_TRUSTED;
return X509_TRUST_UNTRUSTED;
} | ['static int check_trust(X509_STORE_CTX *ctx, int num_untrusted)\n{\n int i;\n X509 *x = NULL;\n X509 *mx;\n SSL_DANE *dane = ctx->dane;\n int num = sk_X509_num(ctx->chain);\n int trust;\n if (DANETLS_HAS_TA(dane) && num_untrusted > 0 && num_untrusted < num) {\n switch (trust = check_dane_issuer(ctx, num_untrusted)) {\n case X509_TRUST_TRUSTED:\n case X509_TRUST_REJECTED:\n return trust;\n }\n }\n for (i = num_untrusted; i < num; i++) {\n x = sk_X509_value(ctx->chain, i);\n trust = X509_check_trust(x, ctx->param->trust, 0);\n if (trust == X509_TRUST_TRUSTED)\n goto trusted;\n if (trust == X509_TRUST_REJECTED)\n goto rejected;\n }\n if (num_untrusted < num) {\n if (ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN)\n goto trusted;\n return X509_TRUST_UNTRUSTED;\n }\n if (num_untrusted == num && ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN) {\n i = 0;\n x = sk_X509_value(ctx->chain, i);\n mx = lookup_cert_match(ctx, x);\n if (!mx)\n return X509_TRUST_UNTRUSTED;\n trust = X509_check_trust(mx, ctx->param->trust, 0);\n if (trust == X509_TRUST_REJECTED) {\n X509_free(mx);\n goto rejected;\n }\n (void) sk_X509_set(ctx->chain, 0, mx);\n X509_free(x);\n ctx->num_untrusted = 0;\n goto trusted;\n }\n return X509_TRUST_UNTRUSTED;\n rejected:\n if (!verify_cb_cert(ctx, x, i, X509_V_ERR_CERT_REJECTED))\n return X509_TRUST_REJECTED;\n return X509_TRUST_UNTRUSTED;\n trusted:\n if (!DANETLS_ENABLED(dane))\n return X509_TRUST_TRUSTED;\n if (dane->pdpth < 0)\n dane->pdpth = num_untrusted;\n if (dane->mdpth >= 0)\n return X509_TRUST_TRUSTED;\n return X509_TRUST_UNTRUSTED;\n}', 'DEFINE_STACK_OF(X509)', 'int OPENSSL_sk_num(const OPENSSL_STACK *st)\n{\n return st == NULL ? -1 : st->num;\n}', 'void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)\n{\n if (st == NULL || i < 0 || i >= st->num)\n return NULL;\n return (void *)st->data[i];\n}', 'static X509 *lookup_cert_match(X509_STORE_CTX *ctx, X509 *x)\n{\n STACK_OF(X509) *certs;\n X509 *xtmp = NULL;\n int i;\n certs = ctx->lookup_certs(ctx, X509_get_subject_name(x));\n if (certs == NULL)\n return NULL;\n for (i = 0; i < sk_X509_num(certs); i++) {\n xtmp = sk_X509_value(certs, i);\n if (!X509_cmp(xtmp, x))\n break;\n }\n if (i < sk_X509_num(certs))\n X509_up_ref(xtmp);\n else\n xtmp = NULL;\n sk_X509_pop_free(certs, X509_free);\n return xtmp;\n}', 'X509_NAME *X509_get_subject_name(const X509 *a)\n{\n return a->cert_info.subject;\n}'] |
16,311 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L139 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | ['static int decode_channel_transform(WMAProDecodeCtx* s)\n{\n int i;\n s->num_chgroups = 0;\n if (s->avctx->channels > 1) {\n int remaining_channels = s->channels_for_cur_subframe;\n if (bitstream_read_bit(&s->bc)) {\n avpriv_request_sample(s->avctx,\n "Channel transform bit");\n return AVERROR_PATCHWELCOME;\n }\n for (s->num_chgroups = 0; remaining_channels &&\n s->num_chgroups < s->channels_for_cur_subframe; s->num_chgroups++) {\n WMAProChannelGrp* chgroup = &s->chgroup[s->num_chgroups];\n float** channel_data = chgroup->channel_data;\n chgroup->num_channels = 0;\n chgroup->transform = 0;\n if (remaining_channels > 2) {\n for (i = 0; i < s->channels_for_cur_subframe; i++) {\n int channel_idx = s->channel_indexes_for_cur_subframe[i];\n if (!s->channel[channel_idx].grouped\n && bitstream_read_bit(&s->bc)) {\n ++chgroup->num_channels;\n s->channel[channel_idx].grouped = 1;\n *channel_data++ = s->channel[channel_idx].coeffs;\n }\n }\n } else {\n chgroup->num_channels = remaining_channels;\n for (i = 0; i < s->channels_for_cur_subframe; i++) {\n int channel_idx = s->channel_indexes_for_cur_subframe[i];\n if (!s->channel[channel_idx].grouped)\n *channel_data++ = s->channel[channel_idx].coeffs;\n s->channel[channel_idx].grouped = 1;\n }\n }\n if (chgroup->num_channels == 2) {\n if (bitstream_read_bit(&s->bc)) {\n if (bitstream_read_bit(&s->bc)) {\n avpriv_request_sample(s->avctx,\n "Unknown channel transform type");\n return AVERROR_PATCHWELCOME;\n }\n } else {\n chgroup->transform = 1;\n if (s->avctx->channels == 2) {\n chgroup->decorrelation_matrix[0] = 1.0;\n chgroup->decorrelation_matrix[1] = -1.0;\n chgroup->decorrelation_matrix[2] = 1.0;\n chgroup->decorrelation_matrix[3] = 1.0;\n } else {\n chgroup->decorrelation_matrix[0] = 0.70703125;\n chgroup->decorrelation_matrix[1] = -0.70703125;\n chgroup->decorrelation_matrix[2] = 0.70703125;\n chgroup->decorrelation_matrix[3] = 0.70703125;\n }\n }\n } else if (chgroup->num_channels > 2) {\n if (bitstream_read_bit(&s->bc)) {\n chgroup->transform = 1;\n if (bitstream_read_bit(&s->bc)) {\n decode_decorrelation_matrix(s, chgroup);\n } else {\n if (chgroup->num_channels > 6) {\n avpriv_request_sample(s->avctx,\n "Coupled channels > 6");\n } else {\n memcpy(chgroup->decorrelation_matrix,\n default_decorrelation[chgroup->num_channels],\n chgroup->num_channels * chgroup->num_channels *\n sizeof(*chgroup->decorrelation_matrix));\n }\n }\n }\n }\n if (chgroup->transform) {\n if (!bitstream_read_bit(&s->bc)) {\n int i;\n for (i = 0; i < s->num_bands; i++) {\n chgroup->transform_band[i] = bitstream_read_bit(&s->bc);\n }\n } else {\n memset(chgroup->transform_band, 1, s->num_bands);\n }\n }\n remaining_channels -= chgroup->num_channels;\n }\n }\n return 0;\n}', 'static void decode_decorrelation_matrix(WMAProDecodeCtx *s,\n WMAProChannelGrp *chgroup)\n{\n int i;\n int offset = 0;\n int8_t rotation_offset[WMAPRO_MAX_CHANNELS * WMAPRO_MAX_CHANNELS];\n memset(chgroup->decorrelation_matrix, 0, s->avctx->channels *\n s->avctx->channels * sizeof(*chgroup->decorrelation_matrix));\n for (i = 0; i < chgroup->num_channels * (chgroup->num_channels - 1) >> 1; i++)\n rotation_offset[i] = bitstream_read(&s->bc, 6);\n for (i = 0; i < chgroup->num_channels; i++)\n chgroup->decorrelation_matrix[chgroup->num_channels * i + i] =\n bitstream_read_bit(&s->bc) ? 1.0 : -1.0;\n for (i = 1; i < chgroup->num_channels; i++) {\n int x;\n for (x = 0; x < i; x++) {\n int y;\n for (y = 0; y < i + 1; y++) {\n float v1 = chgroup->decorrelation_matrix[x * chgroup->num_channels + y];\n float v2 = chgroup->decorrelation_matrix[i * chgroup->num_channels + y];\n int n = rotation_offset[offset + x];\n float sinv;\n float cosv;\n if (n < 32) {\n sinv = sin64[n];\n cosv = sin64[32 - n];\n } else {\n sinv = sin64[64 - n];\n cosv = -sin64[n - 32];\n }\n chgroup->decorrelation_matrix[y + x * chgroup->num_channels] =\n (v1 * sinv) - (v2 * cosv);\n chgroup->decorrelation_matrix[y + i * chgroup->num_channels] =\n (v1 * cosv) + (v2 * sinv);\n }\n }\n offset += i;\n }\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n if (!bc->bits_left)\n refill_64(bc);\n return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
16,312 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_shift.c/#L112 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return 0;
r->neg = a->neg;
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return 1;
} | ['int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_RECP_CTX recp;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_RECP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(r);\n } else {\n ret = BN_one(r);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n aa = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n BN_RECP_CTX_init(&recp);\n if (m->neg) {\n if (!BN_copy(aa, m))\n goto err;\n aa->neg = 0;\n if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0)\n goto err;\n } else {\n if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)\n goto err;\n }\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n if (BN_is_zero(val[0])) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n if (!BN_one(r))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start)\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n }\n if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_RECP_CTX_free(&recp);\n bn_check_top(r);\n return ret;\n}', 'int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!BN_copy(&(recp->N), d))\n return 0;\n BN_zero(&(recp->Nr));\n recp->num_bits = BN_num_bits(d);\n recp->shift = 0;\n return 1;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(a, BN_FLG_CONSTTIME);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a;\n const BIGNUM *ca;\n BN_CTX_start(ctx);\n if ((a = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (y != NULL) {\n if (x == y) {\n if (!BN_sqr(a, x, ctx))\n goto err;\n } else {\n if (!BN_mul(a, x, y, ctx))\n goto err;\n }\n ca = a;\n } else\n ca = x;\n ret = BN_div_recp(NULL, r, ca, recp, ctx);\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return ret;\n}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int i, j, ret = 0;\n BIGNUM *a, *b, *d, *r;\n BN_CTX_start(ctx);\n d = (dv != NULL) ? dv : BN_CTX_get(ctx);\n r = (rem != NULL) ? rem : BN_CTX_get(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (b == NULL)\n goto err;\n if (BN_ucmp(m, &(recp->N)) < 0) {\n BN_zero(d);\n if (!BN_copy(r, m)) {\n BN_CTX_end(ctx);\n return 0;\n }\n BN_CTX_end(ctx);\n return 1;\n }\n i = BN_num_bits(m);\n j = recp->num_bits << 1;\n if (j > i)\n i = j;\n if (i != recp->shift)\n recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);\n if (recp->shift == -1)\n goto err;\n if (!BN_rshift(a, m, recp->num_bits))\n goto err;\n if (!BN_mul(b, a, &(recp->Nr), ctx))\n goto err;\n if (!BN_rshift(d, b, i - recp->num_bits))\n goto err;\n d->neg = 0;\n if (!BN_mul(b, &(recp->N), d, ctx))\n goto err;\n if (!BN_usub(r, m, b))\n goto err;\n r->neg = 0;\n j = 0;\n while (BN_ucmp(r, &(recp->N)) >= 0) {\n if (j++ > 2) {\n BNerr(BN_F_BN_DIV_RECP, BN_R_BAD_RECIPROCAL);\n goto err;\n }\n if (!BN_usub(r, r, &(recp->N)))\n goto err;\n if (!BN_add_word(d, 1))\n goto err;\n }\n r->neg = BN_is_zero(r) ? 0 : m->neg;\n d->neg = m->neg ^ recp->N.neg;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(dv);\n bn_check_top(rem);\n return ret;\n}', 'int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx)\n{\n int ret = -1;\n BIGNUM *t;\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_set_bit(t, len))\n goto err;\n if (!BN_div(r, NULL, t, m, ctx))\n goto err;\n ret = len;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return 0;\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,313 | 0 | https://github.com/openssl/openssl/blob/a6a66e4511eec0f4ecc2943117a42b3723eb2222/crypto/bn/bn_ctx.c/#L300 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)\n{\n BIGNUM *r1, *m1, *vrfy, *r2, *m[RSA_MAX_PRIME_NUM - 2];\n int ret = 0, i, ex_primes = 0, smooth = 0;\n RSA_PRIME_INFO *pinfo;\n BN_CTX_start(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n m1 = BN_CTX_get(ctx);\n vrfy = BN_CTX_get(ctx);\n if (vrfy == NULL)\n goto err;\n if (rsa->version == RSA_ASN1_VERSION_MULTI\n && ((ex_primes = sk_RSA_PRIME_INFO_num(rsa->prime_infos)) <= 0\n || ex_primes > RSA_MAX_PRIME_NUM - 2))\n goto err;\n if (rsa->flags & RSA_FLAG_CACHE_PRIVATE) {\n BIGNUM *factor = BN_new();\n if (factor == NULL)\n goto err;\n if (!(BN_with_flags(factor, rsa->p, BN_FLG_CONSTTIME),\n BN_MONT_CTX_set_locked(&rsa->_method_mod_p, rsa->lock,\n factor, ctx))\n || !(BN_with_flags(factor, rsa->q, BN_FLG_CONSTTIME),\n BN_MONT_CTX_set_locked(&rsa->_method_mod_q, rsa->lock,\n factor, ctx))) {\n BN_free(factor);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(factor, pinfo->r, BN_FLG_CONSTTIME);\n if (!BN_MONT_CTX_set_locked(&pinfo->m, rsa->lock, factor, ctx)) {\n BN_free(factor);\n goto err;\n }\n }\n BN_free(factor);\n smooth = (ex_primes == 0)\n && (rsa->meth->bn_mod_exp == BN_mod_exp_mont)\n && (BN_num_bits(rsa->q) == BN_num_bits(rsa->p));\n }\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, rsa->lock,\n rsa->n, ctx))\n goto err;\n if (smooth) {\n if (\n !bn_from_mont_fixed_top(m1, I, rsa->_method_mod_q, ctx)\n || !bn_to_mont_fixed_top(m1, m1, rsa->_method_mod_q, ctx)\n || !BN_mod_exp_mont_consttime(m1, m1, rsa->dmq1, rsa->q, ctx,\n rsa->_method_mod_q)\n || !bn_from_mont_fixed_top(r1, I, rsa->_method_mod_p, ctx)\n || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx)\n || !BN_mod_exp_mont_consttime(r1, r1, rsa->dmp1, rsa->p, ctx,\n rsa->_method_mod_p)\n || !bn_mod_sub_fixed_top(r1, r1, m1, rsa->p)\n || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx)\n || !bn_mul_mont_fixed_top(r1, r1, rsa->iqmp, rsa->_method_mod_p,\n ctx)\n || !bn_mul_fixed_top(r0, r1, rsa->q, ctx)\n || !bn_mod_add_fixed_top(r0, r0, m1, rsa->n))\n goto err;\n goto tail;\n }\n {\n BIGNUM *c = BN_new();\n if (c == NULL)\n goto err;\n BN_with_flags(c, I, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, c, rsa->q, ctx)) {\n BN_free(c);\n goto err;\n }\n {\n BIGNUM *dmq1 = BN_new();\n if (dmq1 == NULL) {\n BN_free(c);\n goto err;\n }\n BN_with_flags(dmq1, rsa->dmq1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(m1, r1, dmq1, rsa->q, ctx,\n rsa->_method_mod_q)) {\n BN_free(c);\n BN_free(dmq1);\n goto err;\n }\n BN_free(dmq1);\n }\n if (!BN_mod(r1, c, rsa->p, ctx)) {\n BN_free(c);\n goto err;\n }\n BN_free(c);\n }\n {\n BIGNUM *dmp1 = BN_new();\n if (dmp1 == NULL)\n goto err;\n BN_with_flags(dmp1, rsa->dmp1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, r1, dmp1, rsa->p, ctx,\n rsa->_method_mod_p)) {\n BN_free(dmp1);\n goto err;\n }\n BN_free(dmp1);\n }\n if (ex_primes > 0) {\n BIGNUM *di = BN_new(), *cc = BN_new();\n if (cc == NULL || di == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n if ((m[i] = BN_CTX_get(ctx)) == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(cc, I, BN_FLG_CONSTTIME);\n BN_with_flags(di, pinfo->d, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, cc, pinfo->r, ctx)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(m[i], r1, di, pinfo->r, ctx, pinfo->m)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n }\n BN_free(cc);\n BN_free(di);\n }\n if (!BN_sub(r0, r0, m1))\n goto err;\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->iqmp, ctx))\n goto err;\n {\n BIGNUM *pr1 = BN_new();\n if (pr1 == NULL)\n goto err;\n BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);\n if (!BN_mod(r0, pr1, rsa->p, ctx)) {\n BN_free(pr1);\n goto err;\n }\n BN_free(pr1);\n }\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->q, ctx))\n goto err;\n if (!BN_add(r0, r1, m1))\n goto err;\n if (ex_primes > 0) {\n BIGNUM *pr2 = BN_new();\n if (pr2 == NULL)\n goto err;\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n if (!BN_sub(r1, m[i], r0)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r2, r1, pinfo->t, ctx)) {\n BN_free(pr2);\n goto err;\n }\n BN_with_flags(pr2, r2, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, pr2, pinfo->r, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (BN_is_negative(r1))\n if (!BN_add(r1, r1, pinfo->r)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r1, r1, pinfo->pp, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_add(r0, r0, r1)) {\n BN_free(pr2);\n goto err;\n }\n }\n BN_free(pr2);\n }\n tail:\n if (rsa->e && rsa->n) {\n if (rsa->meth->bn_mod_exp == BN_mod_exp_mont) {\n if (!BN_mod_exp_mont(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n } else {\n bn_correct_top(r0);\n if (!rsa->meth->bn_mod_exp(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n }\n if (!BN_sub(vrfy, vrfy, I))\n goto err;\n if (BN_is_zero(vrfy)) {\n bn_correct_top(r0);\n ret = 1;\n goto err;\n }\n if (!BN_mod(vrfy, vrfy, rsa->n, ctx))\n goto err;\n if (BN_is_negative(vrfy))\n if (!BN_add(vrfy, vrfy, rsa->n))\n goto err;\n if (!BN_is_zero(vrfy)) {\n BIGNUM *d = BN_new();\n if (d == NULL)\n goto err;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, I, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n }\n bn_correct_top(r0);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'int bn_from_mont_fixed_top(BIGNUM *ret, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n int retn = 0;\n#ifdef MONT_WORD\n BIGNUM *t;\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) && BN_copy(t, a)) {\n retn = bn_from_montgomery_word(ret, t, mont);\n }\n BN_CTX_end(ctx);\n#else\n BIGNUM *t1, *t2;\n BN_CTX_start(ctx);\n t1 = BN_CTX_get(ctx);\n t2 = BN_CTX_get(ctx);\n if (t2 == NULL)\n goto err;\n if (!BN_copy(t1, a))\n goto err;\n BN_mask_bits(t1, mont->ri);\n if (!BN_mul(t2, t1, &mont->Ni, ctx))\n goto err;\n BN_mask_bits(t2, mont->ri);\n if (!BN_mul(t1, t2, &mont->N, ctx))\n goto err;\n if (!BN_add(t2, a, t1))\n goto err;\n if (!BN_rshift(ret, t2, mont->ri))\n goto err;\n if (BN_ucmp(ret, &(mont->N)) >= 0) {\n if (!BN_usub(ret, ret, &(mont->N)))\n goto err;\n }\n retn = 1;\n bn_check_top(ret);\n err:\n BN_CTX_end(ctx);\n#endif\n return retn;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'int bn_to_mont_fixed_top(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return bn_mul_mont_fixed_top(r, a, &(mont->RR), mont, ctx);\n}', 'int bn_mul_mont_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n int num = mont->N.top;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n r->flags |= BN_FLG_FIXED_TOP;\n return 1;\n }\n }\n#endif\n if ((a->top + b->top) > 2 * num)\n return 0;\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!bn_sqr_fixed_top(tmp, a, ctx))\n goto err;\n } else {\n if (!bn_mul_fixed_top(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!bn_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue, wmask, window0;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = p->top * BN_BITS2;\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n BIGNUM *reduced = BN_CTX_get(ctx);\n if (reduced == NULL\n || !BN_nnmod(reduced, a, m, ctx)) {\n goto err;\n }\n a = reduced;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!bn_to_mont_fixed_top(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (!bn_to_mont_fixed_top(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits > 0) {\n if (bits < stride)\n stride = bits;\n bits -= stride;\n wvalue = bn_get_bits(p, bits);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7) {\n while (bits > 0) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n } else {\n while (bits > 0) {\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n window0 = (bits - 1) % window + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n wmask = (1 << window) - 1;\n while (bits > 0) {\n for (i = 0; i < window; i++)\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n bits -= window;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,314 | 0 | https://github.com/openssl/openssl/blob/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/ec/ec_mult.c/#L203 | int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
size_t num, const EC_POINT *points[], const BIGNUM *scalars[],
BN_CTX *ctx)
{
BN_CTX *new_ctx = NULL;
const EC_POINT *generator = NULL;
EC_POINT *tmp = NULL;
size_t totalnum;
size_t blocksize = 0, numblocks = 0;
size_t pre_points_per_block = 0;
size_t i, j;
int k;
int r_is_inverted = 0;
int r_is_at_infinity = 1;
size_t *wsize = NULL;
signed char **wNAF = NULL;
size_t *wNAF_len = NULL;
size_t max_len = 0;
size_t num_val;
EC_POINT **val = NULL;
EC_POINT **v;
EC_POINT ***val_sub = NULL;
const EC_PRE_COMP *pre_comp = NULL;
int num_scalar = 0;
int ret = 0;
if (group->meth != r->meth) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
if ((scalar == NULL) && (num == 0)) {
return EC_POINT_set_to_infinity(group, r);
}
for (i = 0; i < num; i++) {
if (group->meth != points[i]->meth) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
}
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL)
goto err;
}
if (scalar != NULL) {
generator = EC_GROUP_get0_generator(group);
if (generator == NULL) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);
goto err;
}
pre_comp = group->pre_comp.ec;
if (pre_comp && pre_comp->numblocks
&& (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==
0)) {
blocksize = pre_comp->blocksize;
numblocks = (BN_num_bits(scalar) / blocksize) + 1;
if (numblocks > pre_comp->numblocks)
numblocks = pre_comp->numblocks;
pre_points_per_block = (size_t)1 << (pre_comp->w - 1);
if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
pre_comp = NULL;
numblocks = 1;
num_scalar = 1;
}
}
totalnum = num + numblocks;
wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));
wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));
wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));
val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));
if (wNAF != NULL)
wNAF[0] = NULL;
if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
num_val = 0;
for (i = 0; i < num + num_scalar; i++) {
size_t bits;
bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);
wsize[i] = EC_window_bits_for_scalar_size(bits);
num_val += (size_t)1 << (wsize[i] - 1);
wNAF[i + 1] = NULL;
wNAF[i] =
bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],
&wNAF_len[i]);
if (wNAF[i] == NULL)
goto err;
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
}
if (numblocks) {
if (pre_comp == NULL) {
if (num_scalar != 1) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
signed char *tmp_wNAF = NULL;
size_t tmp_len = 0;
if (num_scalar != 0) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
wsize[num] = pre_comp->w;
tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);
if (!tmp_wNAF)
goto err;
if (tmp_len <= max_len) {
numblocks = 1;
totalnum = num + 1;
wNAF[num] = tmp_wNAF;
wNAF[num + 1] = NULL;
wNAF_len[num] = tmp_len;
val_sub[num] = pre_comp->points;
} else {
signed char *pp;
EC_POINT **tmp_points;
if (tmp_len < numblocks * blocksize) {
numblocks = (tmp_len + blocksize - 1) / blocksize;
if (numblocks > pre_comp->numblocks) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
totalnum = num + numblocks;
}
pp = tmp_wNAF;
tmp_points = pre_comp->points;
for (i = num; i < totalnum; i++) {
if (i < totalnum - 1) {
wNAF_len[i] = blocksize;
if (tmp_len < blocksize) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
tmp_len -= blocksize;
} else
wNAF_len[i] = tmp_len;
wNAF[i + 1] = NULL;
wNAF[i] = OPENSSL_malloc(wNAF_len[i]);
if (wNAF[i] == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(tmp_wNAF);
goto err;
}
memcpy(wNAF[i], pp, wNAF_len[i]);
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
if (*tmp_points == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
val_sub[i] = tmp_points;
tmp_points += pre_points_per_block;
pp += blocksize;
}
OPENSSL_free(tmp_wNAF);
}
}
}
val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));
if (val == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
val[num_val] = NULL;
v = val;
for (i = 0; i < num + num_scalar; i++) {
val_sub[i] = v;
for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {
*v = EC_POINT_new(group);
if (*v == NULL)
goto err;
v++;
}
}
if (!(v == val + num_val)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((tmp = EC_POINT_new(group)) == NULL)
goto err;
for (i = 0; i < num + num_scalar; i++) {
if (i < num) {
if (!EC_POINT_copy(val_sub[i][0], points[i]))
goto err;
} else {
if (!EC_POINT_copy(val_sub[i][0], generator))
goto err;
}
if (wsize[i] > 1) {
if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))
goto err;
for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {
if (!EC_POINT_add
(group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))
goto err;
}
}
}
if (!EC_POINTs_make_affine(group, num_val, val, ctx))
goto err;
r_is_at_infinity = 1;
for (k = max_len - 1; k >= 0; k--) {
if (!r_is_at_infinity) {
if (!EC_POINT_dbl(group, r, r, ctx))
goto err;
}
for (i = 0; i < totalnum; i++) {
if (wNAF_len[i] > (size_t)k) {
int digit = wNAF[i][k];
int is_neg;
if (digit) {
is_neg = digit < 0;
if (is_neg)
digit = -digit;
if (is_neg != r_is_inverted) {
if (!r_is_at_infinity) {
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
r_is_inverted = !r_is_inverted;
}
if (r_is_at_infinity) {
if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))
goto err;
r_is_at_infinity = 0;
} else {
if (!EC_POINT_add
(group, r, r, val_sub[i][digit >> 1], ctx))
goto err;
}
}
}
}
}
if (r_is_at_infinity) {
if (!EC_POINT_set_to_infinity(group, r))
goto err;
} else {
if (r_is_inverted)
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
ret = 1;
err:
BN_CTX_free(new_ctx);
EC_POINT_free(tmp);
OPENSSL_free(wsize);
OPENSSL_free(wNAF_len);
if (wNAF != NULL) {
signed char **w;
for (w = wNAF; *w != NULL; w++)
OPENSSL_free(*w);
OPENSSL_free(wNAF);
}
if (val != NULL) {
for (v = val; *v != NULL; v++)
EC_POINT_clear_free(*v);
OPENSSL_free(val);
}
OPENSSL_free(val_sub);
return ret;
} | ['int SM2_decrypt(const EC_KEY *key,\n const EVP_MD *digest,\n const uint8_t *ciphertext,\n size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len)\n{\n int rc = 0;\n int i;\n BN_CTX *ctx = NULL;\n const EC_GROUP *group = EC_KEY_get0_group(key);\n EC_POINT *C1 = NULL;\n struct SM2_Ciphertext_st *sm2_ctext = NULL;\n BIGNUM *x2 = NULL;\n BIGNUM *y2 = NULL;\n uint8_t *x2y2 = NULL;\n uint8_t *computed_C3 = NULL;\n const size_t field_size = EC_field_size(group);\n const int hash_size = EVP_MD_size(digest);\n uint8_t *msg_mask = NULL;\n const uint8_t *C2 = NULL;\n const uint8_t *C3 = NULL;\n int msg_len = 0;\n EVP_MD_CTX *hash = NULL;\n if (field_size == 0 || hash_size == 0)\n goto done;\n memset(ptext_buf, 0xFF, *ptext_len);\n sm2_ctext = d2i_SM2_Ciphertext(NULL, &ciphertext, ciphertext_len);\n if (sm2_ctext == NULL)\n goto done;\n if (sm2_ctext->C3->length != hash_size)\n goto done;\n C2 = sm2_ctext->C2->data;\n C3 = sm2_ctext->C3->data;\n msg_len = sm2_ctext->C2->length;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto done;\n BN_CTX_start(ctx);\n x2 = BN_CTX_get(ctx);\n y2 = BN_CTX_get(ctx);\n if(y2 == NULL)\n goto done;\n msg_mask = OPENSSL_zalloc(msg_len);\n x2y2 = OPENSSL_zalloc(2 * field_size);\n computed_C3 = OPENSSL_zalloc(hash_size);\n if(msg_mask == NULL || x2y2 == NULL || computed_C3 == NULL)\n goto done;\n C1 = EC_POINT_new(group);\n if (C1 == NULL)\n goto done;\n if (EC_POINT_set_affine_coordinates_GFp\n (group, C1, sm2_ctext->C1x, sm2_ctext->C1y, ctx) == 0)\n goto done;\n if (EC_POINT_mul(group, C1, NULL, C1, EC_KEY_get0_private_key(key), ctx) ==\n 0)\n goto done;\n if (EC_POINT_get_affine_coordinates_GFp(group, C1, x2, y2, ctx) == 0)\n goto done;\n BN_bn2binpad(x2, x2y2, field_size);\n BN_bn2binpad(y2, x2y2 + field_size, field_size);\n if (ECDH_KDF_X9_62(msg_mask, msg_len, x2y2, 2 * field_size, NULL, 0, digest)\n == 0)\n goto done;\n for (i = 0; i != msg_len; ++i)\n ptext_buf[i] = C2[i] ^ msg_mask[i];\n hash = EVP_MD_CTX_new();\n if (hash == NULL)\n goto done;\n if (EVP_DigestInit(hash, digest) == 0)\n goto done;\n if (EVP_DigestUpdate(hash, x2y2, field_size) == 0)\n goto done;\n if (EVP_DigestUpdate(hash, ptext_buf, msg_len) == 0)\n goto done;\n if (EVP_DigestUpdate(hash, x2y2 + field_size, field_size) == 0)\n goto done;\n if (EVP_DigestFinal(hash, computed_C3, NULL) == 0)\n goto done;\n if (memcmp(computed_C3, C3, hash_size) != 0)\n goto done;\n rc = 1;\n *ptext_len = msg_len;\n done:\n if (rc == 0)\n memset(ptext_buf, 0, *ptext_len);\n OPENSSL_free(msg_mask);\n OPENSSL_free(x2y2);\n OPENSSL_free(computed_C3);\n EC_POINT_free(C1);\n BN_CTX_free(ctx);\n SM2_Ciphertext_free(sm2_ctext);\n EVP_MD_CTX_free(hash);\n return rc;\n}', 'int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar,\n const EC_POINT *point, const BIGNUM *p_scalar, BN_CTX *ctx)\n{\n const EC_POINT *points[1];\n const BIGNUM *scalars[1];\n points[0] = point;\n scalars[0] = p_scalar;\n return EC_POINTs_mul(group, r, g_scalar,\n (point != NULL\n && p_scalar != NULL), points, scalars, ctx);\n}', 'int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[],\n const BIGNUM *scalars[], BN_CTX *ctx)\n{\n if (group->meth->mul == 0)\n return ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);\n return group->meth->mul(group, r, scalar, num, points, scalars, ctx);\n}', 'int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[], const BIGNUM *scalars[],\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n const EC_POINT *generator = NULL;\n EC_POINT *tmp = NULL;\n size_t totalnum;\n size_t blocksize = 0, numblocks = 0;\n size_t pre_points_per_block = 0;\n size_t i, j;\n int k;\n int r_is_inverted = 0;\n int r_is_at_infinity = 1;\n size_t *wsize = NULL;\n signed char **wNAF = NULL;\n size_t *wNAF_len = NULL;\n size_t max_len = 0;\n size_t num_val;\n EC_POINT **val = NULL;\n EC_POINT **v;\n EC_POINT ***val_sub = NULL;\n const EC_PRE_COMP *pre_comp = NULL;\n int num_scalar = 0;\n int ret = 0;\n if (group->meth != r->meth) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n if ((scalar == NULL) && (num == 0)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n for (i = 0; i < num; i++) {\n if (group->meth != points[i]->meth) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n }\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n }\n if (scalar != NULL) {\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n pre_comp = group->pre_comp.ec;\n if (pre_comp && pre_comp->numblocks\n && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==\n 0)) {\n blocksize = pre_comp->blocksize;\n numblocks = (BN_num_bits(scalar) / blocksize) + 1;\n if (numblocks > pre_comp->numblocks)\n numblocks = pre_comp->numblocks;\n pre_points_per_block = (size_t)1 << (pre_comp->w - 1);\n if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n pre_comp = NULL;\n numblocks = 1;\n num_scalar = 1;\n }\n }\n totalnum = num + numblocks;\n wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));\n wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));\n wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));\n val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));\n if (wNAF != NULL)\n wNAF[0] = NULL;\n if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n num_val = 0;\n for (i = 0; i < num + num_scalar; i++) {\n size_t bits;\n bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);\n wsize[i] = EC_window_bits_for_scalar_size(bits);\n num_val += (size_t)1 << (wsize[i] - 1);\n wNAF[i + 1] = NULL;\n wNAF[i] =\n bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],\n &wNAF_len[i]);\n if (wNAF[i] == NULL)\n goto err;\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n }\n if (numblocks) {\n if (pre_comp == NULL) {\n if (num_scalar != 1) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n signed char *tmp_wNAF = NULL;\n size_t tmp_len = 0;\n if (num_scalar != 0) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n wsize[num] = pre_comp->w;\n tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);\n if (!tmp_wNAF)\n goto err;\n if (tmp_len <= max_len) {\n numblocks = 1;\n totalnum = num + 1;\n wNAF[num] = tmp_wNAF;\n wNAF[num + 1] = NULL;\n wNAF_len[num] = tmp_len;\n val_sub[num] = pre_comp->points;\n } else {\n signed char *pp;\n EC_POINT **tmp_points;\n if (tmp_len < numblocks * blocksize) {\n numblocks = (tmp_len + blocksize - 1) / blocksize;\n if (numblocks > pre_comp->numblocks) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n totalnum = num + numblocks;\n }\n pp = tmp_wNAF;\n tmp_points = pre_comp->points;\n for (i = num; i < totalnum; i++) {\n if (i < totalnum - 1) {\n wNAF_len[i] = blocksize;\n if (tmp_len < blocksize) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n tmp_len -= blocksize;\n } else\n wNAF_len[i] = tmp_len;\n wNAF[i + 1] = NULL;\n wNAF[i] = OPENSSL_malloc(wNAF_len[i]);\n if (wNAF[i] == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n memcpy(wNAF[i], pp, wNAF_len[i]);\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n if (*tmp_points == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n val_sub[i] = tmp_points;\n tmp_points += pre_points_per_block;\n pp += blocksize;\n }\n OPENSSL_free(tmp_wNAF);\n }\n }\n }\n val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));\n if (val == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n val[num_val] = NULL;\n v = val;\n for (i = 0; i < num + num_scalar; i++) {\n val_sub[i] = v;\n for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n *v = EC_POINT_new(group);\n if (*v == NULL)\n goto err;\n v++;\n }\n }\n if (!(v == val + num_val)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if ((tmp = EC_POINT_new(group)) == NULL)\n goto err;\n for (i = 0; i < num + num_scalar; i++) {\n if (i < num) {\n if (!EC_POINT_copy(val_sub[i][0], points[i]))\n goto err;\n } else {\n if (!EC_POINT_copy(val_sub[i][0], generator))\n goto err;\n }\n if (wsize[i] > 1) {\n if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))\n goto err;\n for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n if (!EC_POINT_add\n (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))\n goto err;\n }\n }\n }\n if (!EC_POINTs_make_affine(group, num_val, val, ctx))\n goto err;\n r_is_at_infinity = 1;\n for (k = max_len - 1; k >= 0; k--) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_dbl(group, r, r, ctx))\n goto err;\n }\n for (i = 0; i < totalnum; i++) {\n if (wNAF_len[i] > (size_t)k) {\n int digit = wNAF[i][k];\n int is_neg;\n if (digit) {\n is_neg = digit < 0;\n if (is_neg)\n digit = -digit;\n if (is_neg != r_is_inverted) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n r_is_inverted = !r_is_inverted;\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))\n goto err;\n r_is_at_infinity = 0;\n } else {\n if (!EC_POINT_add\n (group, r, r, val_sub[i][digit >> 1], ctx))\n goto err;\n }\n }\n }\n }\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (r_is_inverted)\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_free(new_ctx);\n EC_POINT_free(tmp);\n OPENSSL_free(wsize);\n OPENSSL_free(wNAF_len);\n if (wNAF != NULL) {\n signed char **w;\n for (w = wNAF; *w != NULL; w++)\n OPENSSL_free(*w);\n OPENSSL_free(wNAF);\n }\n if (val != NULL) {\n for (v = val; *v != NULL; v++)\n EC_POINT_clear_free(*v);\n OPENSSL_free(val);\n }\n OPENSSL_free(val_sub);\n return ret;\n}'] |
16,315 | 0 | https://github.com/openssl/openssl/blob/16bce0e08b16b28a1953795bde3f913957b08ef2/ssl/packet.c/#L339 | int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
{
unsigned char *dest;
if (len == 0)
return 1;
if (!WPACKET_allocate_bytes(pkt, len, &dest))
return 0;
memcpy(dest, src, len);
return 1;
} | ['int ssl_add_serverhello_tlsext(SSL *s, WPACKET *pkt, int *al)\n{\n#ifndef OPENSSL_NO_NEXTPROTONEG\n int next_proto_neg_seen;\n#endif\n#ifndef OPENSSL_NO_EC\n unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n unsigned long alg_a = s->s3->tmp.new_cipher->algorithm_auth;\n int using_ecc = (alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA);\n using_ecc = using_ecc && (s->session->tlsext_ecpointformatlist != NULL);\n#endif\n if (!WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_set_flags(pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->s3->send_connection_binding &&\n !ssl_add_serverhello_renegotiate_ext(s, pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->version == SSL3_VERSION)\n goto done;\n if (!s->hit && s->servername_done == 1\n && s->session->tlsext_hostname != NULL) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_EC\n if (using_ecc) {\n const unsigned char *plist;\n size_t plistlen;\n tls1_get_formatlist(s, &plist, &plistlen);\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u8(pkt, plist, plistlen)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (s->tlsext_ticket_expected && tls_use_ticket(s)) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n } else {\n s->tlsext_ticket_expected = 0;\n }\n if (s->tlsext_status_expected) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_SRTP\n if (SSL_IS_DTLS(s) && s->srtp_profile) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_use_srtp)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u16(pkt, 2)\n || !WPACKET_put_bytes_u16(pkt, s->srtp_profile->id)\n || !WPACKET_put_bytes_u8(pkt, 0)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (((s->s3->tmp.new_cipher->id & 0xFFFF) == 0x80\n || (s->s3->tmp.new_cipher->id & 0xFFFF) == 0x81)\n && (SSL_get_options(s) & SSL_OP_CRYPTOPRO_TLSEXT_BUG)) {\n const unsigned char cryptopro_ext[36] = {\n 0xfd, 0xe8,\n 0x00, 0x20,\n 0x30, 0x1e, 0x30, 0x08, 0x06, 0x06, 0x2a, 0x85,\n 0x03, 0x02, 0x02, 0x09, 0x30, 0x08, 0x06, 0x06,\n 0x2a, 0x85, 0x03, 0x02, 0x02, 0x16, 0x30, 0x08,\n 0x06, 0x06, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x17\n };\n if (!WPACKET_memcpy(pkt, cryptopro_ext, sizeof(cryptopro_ext))) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_HEARTBEATS\n if (SSL_IS_DTLS(s) && (s->tlsext_heartbeat & SSL_DTLSEXT_HB_ENABLED)) {\n unsigned int mode;\n if (s->tlsext_heartbeat & SSL_DTLSEXT_HB_DONT_RECV_REQUESTS)\n mode = SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;\n else\n mode = SSL_DTLSEXT_HB_ENABLED;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_heartbeat)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, mode)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n next_proto_neg_seen = s->s3->next_proto_neg_seen;\n s->s3->next_proto_neg_seen = 0;\n if (next_proto_neg_seen && s->ctx->next_protos_advertised_cb) {\n const unsigned char *npa;\n unsigned int npalen;\n int r;\n r = s->ctx->next_protos_advertised_cb(s, &npa, &npalen,\n s->\n ctx->next_protos_advertised_cb_arg);\n if (r == SSL_TLSEXT_ERR_OK) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)\n || !WPACKET_sub_memcpy_u16(pkt, npa, npalen)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n s->s3->next_proto_neg_seen = 1;\n }\n }\n#endif\n if (!custom_ext_add(s, 1, pkt, al)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) {\n if (s->s3->tmp.new_cipher->algorithm_mac == SSL_AEAD\n || s->s3->tmp.new_cipher->algorithm_enc == SSL_RC4\n || s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT\n || s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT12)\n s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;\n else {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n }\n if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (s->s3->alpn_selected != NULL) {\n if (!WPACKET_put_bytes_u16(pkt,\n TLSEXT_TYPE_application_layer_protocol_negotiation)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u8(pkt, s->s3->alpn_selected,\n s->s3->alpn_selected_len)\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n done:\n if (!WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n unsigned char *dest;\n if (len == 0)\n return 1;\n if (!WPACKET_allocate_bytes(pkt, len, &dest))\n return 0;\n memcpy(dest, src, len);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n *allocbytes = GETBUF(pkt) + pkt->curr;\n return 1;\n}'] |
16,316 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/atrac3.c/#L388 | static int decodeSpectrum (GetBitContext *gb, float *pOut)
{
int numSubbands, codingMode, cnt, first, last, subbWidth, *pIn;
int subband_vlc_index[32], SF_idxs[32];
int mantissas[128];
float SF;
numSubbands = get_bits(gb, 5);
codingMode = get_bits1(gb);
for (cnt = 0; cnt <= numSubbands; cnt++)
subband_vlc_index[cnt] = get_bits(gb, 3);
for (cnt = 0; cnt <= numSubbands; cnt++) {
if (subband_vlc_index[cnt] != 0)
SF_idxs[cnt] = get_bits(gb, 6);
}
for (cnt = 0; cnt <= numSubbands; cnt++) {
first = subbandTab[cnt];
last = subbandTab[cnt+1];
subbWidth = last - first;
if (subband_vlc_index[cnt] != 0) {
readQuantSpectralCoeffs (gb, subband_vlc_index[cnt], codingMode, mantissas, subbWidth);
SF = SFTable[SF_idxs[cnt]] * iMaxQuant[subband_vlc_index[cnt]];
for (pIn=mantissas ; first<last; first++, pIn++)
pOut[first] = *pIn * SF;
} else {
memset(pOut+first, 0, subbWidth*sizeof(float));
}
}
first = subbandTab[cnt];
memset(pOut+first, 0, (1024 - first) * sizeof(float));
return numSubbands;
} | ['static int decodeSpectrum (GetBitContext *gb, float *pOut)\n{\n int numSubbands, codingMode, cnt, first, last, subbWidth, *pIn;\n int subband_vlc_index[32], SF_idxs[32];\n int mantissas[128];\n float SF;\n numSubbands = get_bits(gb, 5);\n codingMode = get_bits1(gb);\n for (cnt = 0; cnt <= numSubbands; cnt++)\n subband_vlc_index[cnt] = get_bits(gb, 3);\n for (cnt = 0; cnt <= numSubbands; cnt++) {\n if (subband_vlc_index[cnt] != 0)\n SF_idxs[cnt] = get_bits(gb, 6);\n }\n for (cnt = 0; cnt <= numSubbands; cnt++) {\n first = subbandTab[cnt];\n last = subbandTab[cnt+1];\n subbWidth = last - first;\n if (subband_vlc_index[cnt] != 0) {\n readQuantSpectralCoeffs (gb, subband_vlc_index[cnt], codingMode, mantissas, subbWidth);\n SF = SFTable[SF_idxs[cnt]] * iMaxQuant[subband_vlc_index[cnt]];\n for (pIn=mantissas ; first<last; first++, pIn++)\n pOut[first] = *pIn * SF;\n } else {\n memset(pOut+first, 0, subbWidth*sizeof(float));\n }\n }\n first = subbandTab[cnt];\n memset(pOut+first, 0, (1024 - first) * sizeof(float));\n return numSubbands;\n}'] |
16,317 | 0 | https://github.com/openssl/openssl/blob/fc2e05c2d5c078d1fdf0ee56fc118ea471000a3a/crypto/bn/bn_ctx.c/#L111 | void BN_CTX_start(BN_CTX *ctx)
{
if (ctx->depth < BN_CTX_NUM_POS)
ctx->pos[ctx->depth] = ctx->tos;
ctx->depth++;
} | ['static int RSA_eay_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)\n\t{\n\tconst RSA_METHOD *meth;\n\tBIGNUM r1,m1;\n\tint ret=0;\n\tBN_CTX *ctx;\n\tmeth = ENGINE_get_RSA(rsa->engine);\n\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\tBN_init(&m1);\n\tBN_init(&r1);\n\tif (rsa->flags & RSA_FLAG_CACHE_PRIVATE)\n\t\t{\n\t\tif (rsa->_method_mod_p == NULL)\n\t\t\t{\n\t\t\tif ((rsa->_method_mod_p=BN_MONT_CTX_new()) != NULL)\n\t\t\t\tif (!BN_MONT_CTX_set(rsa->_method_mod_p,rsa->p,\n\t\t\t\t\t\t ctx))\n\t\t\t\t\tgoto err;\n\t\t\t}\n\t\tif (rsa->_method_mod_q == NULL)\n\t\t\t{\n\t\t\tif ((rsa->_method_mod_q=BN_MONT_CTX_new()) != NULL)\n\t\t\t\tif (!BN_MONT_CTX_set(rsa->_method_mod_q,rsa->q,\n\t\t\t\t\t\t ctx))\n\t\t\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (!BN_mod(&r1,I,rsa->q,ctx)) goto err;\n\tif (!meth->bn_mod_exp(&m1,&r1,rsa->dmq1,rsa->q,ctx,\n\t\trsa->_method_mod_q)) goto err;\n\tif (!BN_mod(&r1,I,rsa->p,ctx)) goto err;\n\tif (!meth->bn_mod_exp(r0,&r1,rsa->dmp1,rsa->p,ctx,\n\t\trsa->_method_mod_p)) goto err;\n\tif (!BN_sub(r0,r0,&m1)) goto err;\n\tif (r0->neg)\n\t\tif (!BN_add(r0,r0,rsa->p)) goto err;\n\tif (!BN_mul(&r1,r0,rsa->iqmp,ctx)) goto err;\n\tif (!BN_mod(r0,&r1,rsa->p,ctx)) goto err;\n\tif (r0->neg)\n\t\tif (!BN_add(r0,r0,rsa->p)) goto err;\n\tif (!BN_mul(&r1,r0,rsa->q,ctx)) goto err;\n\tif (!BN_add(r0,&r1,&m1)) goto err;\n\tret=1;\nerr:\n\tBN_clear_free(&m1);\n\tBN_clear_free(&r1);\n\tBN_CTX_free(ctx);\n\treturn(ret);\n\t}', 'BN_CTX *BN_CTX_new(void)\n\t{\n\tBN_CTX *ret;\n\tret=(BN_CTX *)OPENSSL_malloc(sizeof(BN_CTX));\n\tif (ret == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tBN_CTX_init(ret);\n\tret->flags=BN_FLG_MALLOCED;\n\treturn(ret);\n\t}', 'void BN_CTX_init(BN_CTX *ctx)\n\t{\n\tint i;\n\tctx->tos = 0;\n\tctx->flags = 0;\n\tctx->depth = 0;\n\tctx->too_many = 0;\n\tfor (i = 0; i < BN_CTX_NUM; i++)\n\t\tBN_init(&(ctx->bn[i]));\n\t}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,j,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\ttmp->neg=0;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tBN_lshift(sdiv,divisor,norm_shift);\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tBN_lshift(snum,num,norm_shift);\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\tBN_init(&wnum);\n\twnum.d=\t &(snum->d[loop]);\n\twnum.top= div_n;\n\twnum.dmax= snum->dmax+1;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tif (!BN_usub(&wnum,&wnum,sdiv)) goto err;\n\t\t*resp=1;\n\t\tres->d[res->top-1]=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tresp--;\n\tfor (i=0; i<loop-1; i++)\n\t\t{\n\t\tBN_ULONG q,l0;\n#ifdef BN_DIV3W\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#ifdef BN_UMULT_HIGH\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\twnum.d--; wnum.top++;\n\t\ttmp->d[div_n]=l0;\n\t\tfor (j=div_n+1; j>0; j--)\n\t\t\tif (tmp->d[j-1]) break;\n\t\ttmp->top=j;\n\t\tj=wnum.top;\n\t\tBN_sub(&wnum,&wnum,tmp);\n\t\tsnum->top=snum->top+wnum.top-j;\n\t\tif (wnum.neg)\n\t\t\t{\n\t\t\tq--;\n\t\t\tj=wnum.top;\n\t\t\tBN_add(&wnum,&wnum,sdiv);\n\t\t\tsnum->top+=wnum.top-j;\n\t\t\t}\n\t\t*(resp--)=q;\n\t\twnump--;\n\t\t}\n\tif (rm != NULL)\n\t\t{\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = num->neg;\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint top,al,bl;\n\tBIGNUM *rr;\n\tint ret = 0;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tint i;\n#endif\n#ifdef BN_RECURSION\n\tBIGNUM *t;\n\tint j,k;\n#endif\n\tBIGNUM *free_a = NULL, *free_b = NULL;\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == b))\n\t\t{\n\t\tif ((rr = BN_CTX_get(ctx)) == NULL) goto err;\n\t\t}\n\telse\n\t\trr = r;\n\trr->neg=a->neg^b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\ti = al-bl;\n#endif\n#ifdef BN_MUL_COMBA\n\tif (i == 0)\n\t\t{\n# if 0\n\t\tif (al == 4)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,8) == NULL) goto err;\n\t\t\trr->top=8;\n\t\t\tbn_mul_comba4(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n# endif\n\t\tif (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) goto err;\n\t\t\trr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\tif ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)b;\n\t\t\tbn_wexpand(tmp_bn,al);\n\t\t\ttmp_bn->d[bl]=0;\n\t\t\tbl++;\n\t\t\ti--;\n\t\t\t}\n\t\telse if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)a;\n\t\t\tbn_wexpand(tmp_bn,bl);\n\t\t\ttmp_bn->d[al]=0;\n\t\t\tal++;\n\t\t\ti++;\n\t\t\t}\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*2);\n\t\t\t\tbn_wexpand(rr,k*2);\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*4);\n\t\t\t\tbn_wexpand(rr,k*4);\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) goto err;\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_fix_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\tret=1;\nerr:\n\tif (free_a) BN_free(free_a);\n\tif (free_b) BN_free(free_b);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tif (ctx->depth < BN_CTX_NUM_POS)\n\t\tctx->pos[ctx->depth] = ctx->tos;\n\tctx->depth++;\n\t}'] |
16,318 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,\n BIGNUM *Xp1, BIGNUM *Xp2,\n const BIGNUM *Xp,\n const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb)\n{\n int ret = 0;\n BN_CTX_start(ctx);\n if (!Xp1)\n Xp1 = BN_CTX_get(ctx);\n if (!Xp2)\n Xp2 = BN_CTX_get(ctx);\n if (!BN_rand(Xp1, 101, 0, 0))\n goto error;\n if (!BN_rand(Xp2, 101, 0, 0))\n goto error;\n if (!BN_X931_derive_prime_ex(p, p1, p2, Xp, Xp1, Xp2, e, ctx, cb))\n goto error;\n ret = 1;\n error:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,319 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/bn/bn_lib.c/#L423 | BIGNUM *bn_expand2(BIGNUM *b, int words)
{
BN_ULONG *A,*B,*a;
int i,j;
bn_check_top(b);
if (words > b->max)
{
bn_check_top(b);
if (BN_get_flags(b,BN_FLG_STATIC_DATA))
{
BNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return(NULL);
}
a=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));
if (A == NULL)
{
BNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);
return(NULL);
}
memset(A,0x5c,sizeof(BN_ULONG)*(words+1));
#if 1
B=b->d;
if (B != NULL)
{
for (i=b->top&(~7); i>0; i-=8)
{
A[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];
A[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];
A+=8;
B+=8;
}
switch (b->top&7)
{
case 7:
A[6]=B[6];
case 6:
A[5]=B[5];
case 5:
A[4]=B[4];
case 4:
A[3]=B[3];
case 3:
A[2]=B[2];
case 2:
A[1]=B[1];
case 1:
A[0]=B[0];
case 0:
;
}
Free(b->d);
}
b->d=a;
b->max=words;
B= &(b->d[b->top]);
j=(b->max - b->top) & ~7;
for (i=0; i<j; i+=8)
{
B[0]=0; B[1]=0; B[2]=0; B[3]=0;
B[4]=0; B[5]=0; B[6]=0; B[7]=0;
B+=8;
}
j=(b->max - b->top) & 7;
for (i=0; i<j; i++)
{
B[0]=0;
B++;
}
#else
memcpy(a->d,b->d,sizeof(b->d[0])*b->top);
#endif
}
return(b);
} | ['int BN_set_bit(BIGNUM *a, int n)\n\t{\n\tint i,j,k;\n\ti=n/BN_BITS2;\n\tj=n%BN_BITS2;\n\tif (a->top <= i)\n\t\t{\n\t\tif (bn_wexpand(a,i+1) == NULL) return(0);\n\t\tfor(k=a->top; k<i+1; k++)\n\t\t\ta->d[k]=0;\n\t\ta->top=i+1;\n\t\t}\n\ta->d[i]|=(1L<<j);\n\treturn(1);\n\t}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n\t{\n\tBN_ULONG *A,*B,*a;\n\tint i,j;\n\tbn_check_top(b);\n\tif (words > b->max)\n\t\t{\n\t\tbn_check_top(b);\n\t\tif (BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\ta=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));\n\t\tif (A == NULL)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);\n\t\t\treturn(NULL);\n\t\t\t}\nmemset(A,0x5c,sizeof(BN_ULONG)*(words+1));\n#if 1\n\t\tB=b->d;\n\t\tif (B != NULL)\n\t\t\t{\n\t\t\tfor (i=b->top&(~7); i>0; i-=8)\n\t\t\t\t{\n\t\t\t\tA[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];\n\t\t\t\tA[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];\n\t\t\t\tA+=8;\n\t\t\t\tB+=8;\n\t\t\t\t}\n\t\t\tswitch (b->top&7)\n\t\t\t\t{\n\t\t\tcase 7:\n\t\t\t\tA[6]=B[6];\n\t\t\tcase 6:\n\t\t\t\tA[5]=B[5];\n\t\t\tcase 5:\n\t\t\t\tA[4]=B[4];\n\t\t\tcase 4:\n\t\t\t\tA[3]=B[3];\n\t\t\tcase 3:\n\t\t\t\tA[2]=B[2];\n\t\t\tcase 2:\n\t\t\t\tA[1]=B[1];\n\t\t\tcase 1:\n\t\t\t\tA[0]=B[0];\n\t\t\tcase 0:\n\t\t\t\t;\n\t\t\t\t}\n\t\t\tFree(b->d);\n\t\t\t}\n\t\tb->d=a;\n\t\tb->max=words;\n\t\tB= &(b->d[b->top]);\n\t\tj=(b->max - b->top) & ~7;\n\t\tfor (i=0; i<j; i+=8)\n\t\t\t{\n\t\t\tB[0]=0; B[1]=0; B[2]=0; B[3]=0;\n\t\t\tB[4]=0; B[5]=0; B[6]=0; B[7]=0;\n\t\t\tB+=8;\n\t\t\t}\n\t\tj=(b->max - b->top) & 7;\n\t\tfor (i=0; i<j; i++)\n\t\t\t{\n\t\t\tB[0]=0;\n\t\t\tB++;\n\t\t\t}\n#else\n\t\t\tmemcpy(a->d,b->d,sizeof(b->d[0])*b->top);\n#endif\n\t\t}\n\treturn(b);\n\t}'] |
16,320 | 0 | https://github.com/openssl/openssl/blob/9f519addc09b2005fa8c6cde36e3267de02577bb/crypto/err/err.c/#L570 | static unsigned long get_error_values(int inc, int top, const char **file,
int *line, const char **data,
int *flags)
{
int i = 0;
ERR_STATE *es;
unsigned long ret;
es = ERR_get_state();
if (inc && top) {
if (file)
*file = "";
if (line)
*line = 0;
if (data)
*data = "";
if (flags)
*flags = 0;
return ERR_R_INTERNAL_ERROR;
}
if (es->bottom == es->top)
return 0;
if (top)
i = es->top;
else
i = (es->bottom + 1) % ERR_NUM_ERRORS;
ret = es->err_buffer[i];
if (inc) {
es->bottom = i;
es->err_buffer[i] = 0;
}
if ((file != NULL) && (line != NULL)) {
if (es->err_file[i] == NULL) {
*file = "NA";
if (line != NULL)
*line = 0;
} else {
*file = es->err_file[i];
if (line != NULL)
*line = es->err_line[i];
}
}
if (data == NULL) {
if (inc) {
err_clear_data(es, i);
}
} else {
if (es->err_data[i] == NULL) {
*data = "";
if (flags != NULL)
*flags = 0;
} else {
*data = es->err_data[i];
if (flags != NULL)
*flags = es->err_data_flags[i];
}
}
return ret;
} | ['static unsigned long get_error_values(int inc, int top, const char **file,\n int *line, const char **data,\n int *flags)\n{\n int i = 0;\n ERR_STATE *es;\n unsigned long ret;\n es = ERR_get_state();\n if (inc && top) {\n if (file)\n *file = "";\n if (line)\n *line = 0;\n if (data)\n *data = "";\n if (flags)\n *flags = 0;\n return ERR_R_INTERNAL_ERROR;\n }\n if (es->bottom == es->top)\n return 0;\n if (top)\n i = es->top;\n else\n i = (es->bottom + 1) % ERR_NUM_ERRORS;\n ret = es->err_buffer[i];\n if (inc) {\n es->bottom = i;\n es->err_buffer[i] = 0;\n }\n if ((file != NULL) && (line != NULL)) {\n if (es->err_file[i] == NULL) {\n *file = "NA";\n if (line != NULL)\n *line = 0;\n } else {\n *file = es->err_file[i];\n if (line != NULL)\n *line = es->err_line[i];\n }\n }\n if (data == NULL) {\n if (inc) {\n err_clear_data(es, i);\n }\n } else {\n if (es->err_data[i] == NULL) {\n *data = "";\n if (flags != NULL)\n *flags = 0;\n } else {\n *data = es->err_data[i];\n if (flags != NULL)\n *flags = es->err_data_flags[i];\n }\n }\n return ret;\n}', 'ERR_STATE *ERR_get_state(void)\n{\n ERR_STATE *state = NULL;\n CRYPTO_THREAD_run_once(&err_init, err_do_init);\n state = CRYPTO_THREAD_get_local(&err_thread_local);\n if (state == NULL) {\n state = OPENSSL_zalloc(sizeof(*state));\n if (state == NULL)\n return NULL;\n if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {\n ERR_STATE_free(state);\n return NULL;\n }\n OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);\n ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);\n }\n return state;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}', 'void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)\n{\n return pthread_getspecific(*key);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}'] |
16,321 | 0 | https://github.com/openssl/openssl/blob/d4b009d5f88875ac0e3ac0b2b9689ed16a4c88dc/apps/apps.c/#L1624 | int index_index(CA_DB *db)
{
if (!TXT_DB_create_index(db->db, DB_serial, NULL,
LHASH_HASH_FN(index_serial),
LHASH_COMP_FN(index_serial))) {
BIO_printf(bio_err,
"error creating serial number index:(%ld,%ld,%ld)\n",
db->db->error, db->db->arg1, db->db->arg2);
return 0;
}
if (db->attributes.unique_subject
&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
LHASH_HASH_FN(index_name),
LHASH_COMP_FN(index_name))) {
BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
db->db->error, db->db->arg1, db->db->arg2);
return 0;
}
return 1;
} | ['int index_index(CA_DB *db)\n{\n if (!TXT_DB_create_index(db->db, DB_serial, NULL,\n LHASH_HASH_FN(index_serial),\n LHASH_COMP_FN(index_serial))) {\n BIO_printf(bio_err,\n "error creating serial number index:(%ld,%ld,%ld)\\n",\n db->db->error, db->db->arg1, db->db->arg2);\n return 0;\n }\n if (db->attributes.unique_subject\n && !TXT_DB_create_index(db->db, DB_name, index_name_qual,\n LHASH_HASH_FN(index_name),\n LHASH_COMP_FN(index_name))) {\n BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\\n",\n db->db->error, db->db->arg1, db->db->arg2);\n return 0;\n }\n return 1;\n}', 'int TXT_DB_create_index(TXT_DB *db, int field, int (*qual) (OPENSSL_STRING *),\n LHASH_HASH_FN_TYPE hash, LHASH_COMP_FN_TYPE cmp)\n{\n LHASH_OF(OPENSSL_STRING) *idx;\n OPENSSL_STRING *r;\n int i, n;\n if (field >= db->num_fields) {\n db->error = DB_ERROR_INDEX_OUT_OF_RANGE;\n return (0);\n }\n if ((idx = (LHASH_OF(OPENSSL_STRING) *)lh_new(hash, cmp)) == NULL) {\n db->error = DB_ERROR_MALLOC;\n return (0);\n }\n n = sk_OPENSSL_PSTRING_num(db->data);\n for (i = 0; i < n; i++) {\n r = sk_OPENSSL_PSTRING_value(db->data, i);\n if ((qual != NULL) && (qual(r) == 0))\n continue;\n if ((r = lh_OPENSSL_STRING_insert(idx, r)) != NULL) {\n db->error = DB_ERROR_INDEX_CLASH;\n db->arg1 = sk_OPENSSL_PSTRING_find(db->data, r);\n db->arg2 = i;\n lh_OPENSSL_STRING_free(idx);\n return (0);\n }\n }\n lh_OPENSSL_STRING_free(db->index[field]);\n db->index[field] = idx;\n db->qual[field] = qual;\n return (1);\n}', '_LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c)\n{\n _LHASH *ret;\n if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)\n goto err0;\n if ((ret->b = OPENSSL_zalloc(sizeof(*ret->b) * MIN_NODES)) == NULL)\n goto err1;\n ret->comp = ((c == NULL) ? (LHASH_COMP_FN_TYPE)strcmp : c);\n ret->hash = ((h == NULL) ? (LHASH_HASH_FN_TYPE)lh_strhash : h);\n ret->num_nodes = MIN_NODES / 2;\n ret->num_alloc_nodes = MIN_NODES;\n ret->pmax = MIN_NODES / 2;\n ret->up_load = UP_LOAD;\n ret->down_load = DOWN_LOAD;\n return (ret);\n err1:\n OPENSSL_free(ret);\n err0:\n return (NULL);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'DEFINE_SPECIAL_STACK_OF(OPENSSL_PSTRING, OPENSSL_STRING)', 'int sk_num(const _STACK *st)\n{\n if (st == NULL)\n return -1;\n return st->num;\n}'] |
16,322 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/evp/digest.c/#L255 | int EVP_Digest(const void *data, size_t count,
unsigned char *md, unsigned int *size, const EVP_MD *type,
ENGINE *impl)
{
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
int ret;
if (ctx == NULL)
return 0;
EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_ONESHOT);
ret = EVP_DigestInit_ex(ctx, type, impl)
&& EVP_DigestUpdate(ctx, data, count)
&& EVP_DigestFinal_ex(ctx, md, size);
EVP_MD_CTX_free(ctx);
return ret;
} | ['int EVP_Digest(const void *data, size_t count,\n unsigned char *md, unsigned int *size, const EVP_MD *type,\n ENGINE *impl)\n{\n EVP_MD_CTX *ctx = EVP_MD_CTX_new();\n int ret;\n if (ctx == NULL)\n return 0;\n EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_ONESHOT);\n ret = EVP_DigestInit_ex(ctx, type, impl)\n && EVP_DigestUpdate(ctx, data, count)\n && EVP_DigestFinal_ex(ctx, md, size);\n EVP_MD_CTX_free(ctx);\n return ret;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)\n{\n ctx->flags |= flags;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n EVP_MD_CTX_reset(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
16,323 | 0 | https://github.com/openssl/openssl/blob/f4675379275c304dbfa593cc573b4e4c4eb54bd4/crypto/bn/bn_lib.c/#L295 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['int ecparam_main(int argc, char **argv)\n{\n ENGINE *e = NULL;\n BIGNUM *ec_gen = NULL, *ec_order = NULL, *ec_cofactor = NULL;\n BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL;\n BIO *in = NULL, *out = NULL;\n EC_GROUP *group = NULL;\n point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;\n char *curve_name = NULL;\n char *infile = NULL, *outfile = NULL, *prog;\n unsigned char *buffer = NULL;\n OPTION_CHOICE o;\n int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_asn1_flag = 0;\n int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0;\n int ret = 1, private = 0;\n int list_curves = 0, no_seed = 0, check = 0, new_form = 0;\n int text = 0, i, genkey = 0;\n prog = opt_init(argc, argv, ecparam_options);\n while ((o = opt_next()) != OPT_EOF) {\n switch (o) {\n case OPT_EOF:\n case OPT_ERR:\n opthelp:\n BIO_printf(bio_err, "%s: Use -help for summary.\\n", prog);\n goto end;\n case OPT_HELP:\n opt_help(ecparam_options);\n ret = 0;\n goto end;\n case OPT_INFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))\n goto opthelp;\n break;\n case OPT_IN:\n infile = opt_arg();\n break;\n case OPT_OUTFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))\n goto opthelp;\n break;\n case OPT_OUT:\n outfile = opt_arg();\n break;\n case OPT_TEXT:\n text = 1;\n break;\n case OPT_C:\n C = 1;\n break;\n case OPT_CHECK:\n check = 1;\n break;\n case OPT_LIST_CURVES:\n list_curves = 1;\n break;\n case OPT_NO_SEED:\n no_seed = 1;\n break;\n case OPT_NOOUT:\n noout = 1;\n break;\n case OPT_NAME:\n curve_name = opt_arg();\n break;\n case OPT_CONV_FORM:\n if (!opt_pair(opt_arg(), forms, &new_form))\n goto opthelp;\n form = new_form;\n new_form = 1;\n break;\n case OPT_PARAM_ENC:\n if (!opt_pair(opt_arg(), encodings, &asn1_flag))\n goto opthelp;\n new_asn1_flag = 1;\n break;\n case OPT_GENKEY:\n genkey = 1;\n break;\n case OPT_R_CASES:\n if (!opt_rand(o))\n goto end;\n break;\n case OPT_ENGINE:\n e = setup_engine(opt_arg(), 0);\n break;\n }\n }\n argc = opt_num_rest();\n if (argc != 0)\n goto opthelp;\n private = genkey ? 1 : 0;\n in = bio_open_default(infile, \'r\', informat);\n if (in == NULL)\n goto end;\n out = bio_open_owner(outfile, outformat, private);\n if (out == NULL)\n goto end;\n if (list_curves) {\n EC_builtin_curve *curves = NULL;\n size_t crv_len = EC_get_builtin_curves(NULL, 0);\n size_t n;\n curves = app_malloc((int)sizeof(*curves) * crv_len, "list curves");\n if (!EC_get_builtin_curves(curves, crv_len)) {\n OPENSSL_free(curves);\n goto end;\n }\n for (n = 0; n < crv_len; n++) {\n const char *comment;\n const char *sname;\n comment = curves[n].comment;\n sname = OBJ_nid2sn(curves[n].nid);\n if (comment == NULL)\n comment = "CURVE DESCRIPTION NOT AVAILABLE";\n if (sname == NULL)\n sname = "";\n BIO_printf(out, " %-10s: ", sname);\n BIO_printf(out, "%s\\n", comment);\n }\n OPENSSL_free(curves);\n ret = 0;\n goto end;\n }\n if (curve_name != NULL) {\n int nid;\n if (strcmp(curve_name, "secp192r1") == 0) {\n BIO_printf(bio_err, "using curve name prime192v1 "\n "instead of secp192r1\\n");\n nid = NID_X9_62_prime192v1;\n } else if (strcmp(curve_name, "secp256r1") == 0) {\n BIO_printf(bio_err, "using curve name prime256v1 "\n "instead of secp256r1\\n");\n nid = NID_X9_62_prime256v1;\n } else {\n nid = OBJ_sn2nid(curve_name);\n }\n if (nid == 0)\n nid = EC_curve_nist2nid(curve_name);\n if (nid == 0) {\n BIO_printf(bio_err, "unknown curve name (%s)\\n", curve_name);\n goto end;\n }\n group = EC_GROUP_new_by_curve_name(nid);\n if (group == NULL) {\n BIO_printf(bio_err, "unable to create curve (%s)\\n", curve_name);\n goto end;\n }\n EC_GROUP_set_asn1_flag(group, asn1_flag);\n EC_GROUP_set_point_conversion_form(group, form);\n } else if (informat == FORMAT_ASN1) {\n group = d2i_ECPKParameters_bio(in, NULL);\n } else {\n group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);\n }\n if (group == NULL) {\n BIO_printf(bio_err, "unable to load elliptic curve parameters\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n if (new_form)\n EC_GROUP_set_point_conversion_form(group, form);\n if (new_asn1_flag)\n EC_GROUP_set_asn1_flag(group, asn1_flag);\n if (no_seed) {\n EC_GROUP_set_seed(group, NULL, 0);\n }\n if (text) {\n if (!ECPKParameters_print(out, group, 0))\n goto end;\n }\n if (check) {\n BIO_printf(bio_err, "checking elliptic curve parameters: ");\n if (!EC_GROUP_check(group, NULL)) {\n BIO_printf(bio_err, "failed\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n BIO_printf(bio_err, "ok\\n");\n }\n if (C) {\n size_t buf_len = 0, tmp_len = 0;\n const EC_POINT *point;\n int is_prime, len = 0;\n const EC_METHOD *meth = EC_GROUP_method_of(group);\n if ((ec_p = BN_new()) == NULL\n || (ec_a = BN_new()) == NULL\n || (ec_b = BN_new()) == NULL\n || (ec_gen = BN_new()) == NULL\n || (ec_order = BN_new()) == NULL\n || (ec_cofactor = BN_new()) == NULL) {\n perror("Can\'t allocate BN");\n goto end;\n }\n is_prime = (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field);\n if (!is_prime) {\n BIO_printf(bio_err, "Can only handle X9.62 prime fields\\n");\n goto end;\n }\n if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a, ec_b, NULL))\n goto end;\n if ((point = EC_GROUP_get0_generator(group)) == NULL)\n goto end;\n if (!EC_POINT_point2bn(group, point,\n EC_GROUP_get_point_conversion_form(group),\n ec_gen, NULL))\n goto end;\n if (!EC_GROUP_get_order(group, ec_order, NULL))\n goto end;\n if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL))\n goto end;\n if (!ec_p || !ec_a || !ec_b || !ec_gen || !ec_order || !ec_cofactor)\n goto end;\n len = BN_num_bits(ec_order);\n if ((tmp_len = (size_t)BN_num_bytes(ec_p)) > buf_len)\n buf_len = tmp_len;\n if ((tmp_len = (size_t)BN_num_bytes(ec_a)) > buf_len)\n buf_len = tmp_len;\n if ((tmp_len = (size_t)BN_num_bytes(ec_b)) > buf_len)\n buf_len = tmp_len;\n if ((tmp_len = (size_t)BN_num_bytes(ec_gen)) > buf_len)\n buf_len = tmp_len;\n if ((tmp_len = (size_t)BN_num_bytes(ec_order)) > buf_len)\n buf_len = tmp_len;\n if ((tmp_len = (size_t)BN_num_bytes(ec_cofactor)) > buf_len)\n buf_len = tmp_len;\n buffer = app_malloc(buf_len, "BN buffer");\n BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\\n{\\n", len);\n print_bignum_var(out, ec_p, "ec_p", len, buffer);\n print_bignum_var(out, ec_a, "ec_a", len, buffer);\n print_bignum_var(out, ec_b, "ec_b", len, buffer);\n print_bignum_var(out, ec_gen, "ec_gen", len, buffer);\n print_bignum_var(out, ec_order, "ec_order", len, buffer);\n print_bignum_var(out, ec_cofactor, "ec_cofactor", len, buffer);\n BIO_printf(out, " int ok = 0;\\n"\n " EC_GROUP *group = NULL;\\n"\n " EC_POINT *point = NULL;\\n"\n " BIGNUM *tmp_1 = NULL;\\n"\n " BIGNUM *tmp_2 = NULL;\\n"\n " BIGNUM *tmp_3 = NULL;\\n"\n "\\n");\n BIO_printf(out, " if ((tmp_1 = BN_bin2bn(ec_p_%d, sizeof(ec_p_%d), NULL)) == NULL)\\n"\n " goto err;\\n", len, len);\n BIO_printf(out, " if ((tmp_2 = BN_bin2bn(ec_a_%d, sizeof(ec_a_%d), NULL)) == NULL)\\n"\n " goto err;\\n", len, len);\n BIO_printf(out, " if ((tmp_3 = BN_bin2bn(ec_b_%d, sizeof(ec_b_%d), NULL)) == NULL)\\n"\n " goto err;\\n", len, len);\n BIO_printf(out, " if ((group = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)\\n"\n " goto err;\\n"\n "\\n");\n BIO_printf(out, " /* build generator */\\n");\n BIO_printf(out, " if ((tmp_1 = BN_bin2bn(ec_gen_%d, sizeof(ec_gen_%d), tmp_1)) == NULL)\\n"\n " goto err;\\n", len, len);\n BIO_printf(out, " point = EC_POINT_bn2point(group, tmp_1, NULL, NULL);\\n");\n BIO_printf(out, " if (point == NULL)\\n"\n " goto err;\\n");\n BIO_printf(out, " if ((tmp_2 = BN_bin2bn(ec_order_%d, sizeof(ec_order_%d), tmp_2)) == NULL)\\n"\n " goto err;\\n", len, len);\n BIO_printf(out, " if ((tmp_3 = BN_bin2bn(ec_cofactor_%d, sizeof(ec_cofactor_%d), tmp_3)) == NULL)\\n"\n " goto err;\\n", len, len);\n BIO_printf(out, " if (!EC_GROUP_set_generator(group, point, tmp_2, tmp_3))\\n"\n " goto err;\\n"\n "ok = 1;"\n "\\n");\n BIO_printf(out, "err:\\n"\n " BN_free(tmp_1);\\n"\n " BN_free(tmp_2);\\n"\n " BN_free(tmp_3);\\n"\n " EC_POINT_free(point);\\n"\n " if (!ok) {\\n"\n " EC_GROUP_free(group);\\n"\n " return NULL;\\n"\n " }\\n"\n " return (group);\\n"\n "}\\n");\n }\n if (outformat == FORMAT_ASN1 && genkey)\n noout = 1;\n if (!noout) {\n if (outformat == FORMAT_ASN1)\n i = i2d_ECPKParameters_bio(out, group);\n else\n i = PEM_write_bio_ECPKParameters(out, group);\n if (!i) {\n BIO_printf(bio_err, "unable to write elliptic "\n "curve parameters\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n if (genkey) {\n EC_KEY *eckey = EC_KEY_new();\n if (eckey == NULL)\n goto end;\n if (EC_KEY_set_group(eckey, group) == 0) {\n BIO_printf(bio_err, "unable to set group when generating key\\n");\n EC_KEY_free(eckey);\n ERR_print_errors(bio_err);\n goto end;\n }\n if (new_form)\n EC_KEY_set_conv_form(eckey, form);\n if (!EC_KEY_generate_key(eckey)) {\n BIO_printf(bio_err, "unable to generate key\\n");\n EC_KEY_free(eckey);\n ERR_print_errors(bio_err);\n goto end;\n }\n assert(private);\n if (outformat == FORMAT_ASN1)\n i = i2d_ECPrivateKey_bio(out, eckey);\n else\n i = PEM_write_bio_ECPrivateKey(out, eckey, NULL,\n NULL, 0, NULL, NULL);\n EC_KEY_free(eckey);\n }\n ret = 0;\n end:\n BN_free(ec_p);\n BN_free(ec_a);\n BN_free(ec_b);\n BN_free(ec_gen);\n BN_free(ec_order);\n BN_free(ec_cofactor);\n OPENSSL_free(buffer);\n EC_GROUP_free(group);\n release_engine(e);\n BIO_free(in);\n BIO_free_all(out);\n return ret;\n}', 'EC_GROUP *EC_GROUP_new_by_curve_name(int nid)\n{\n size_t i;\n EC_GROUP *ret = NULL;\n if (nid <= 0)\n return NULL;\n for (i = 0; i < curve_list_length; i++)\n if (curve_list[i].nid == nid) {\n ret = ec_group_new_from_data(curve_list[i]);\n break;\n }\n if (ret == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_BY_CURVE_NAME, EC_R_UNKNOWN_GROUP);\n return NULL;\n }\n EC_GROUP_set_curve_name(ret, nid);\n return ret;\n}', 'static EC_GROUP *ec_group_new_from_data(const ec_list_element curve)\n{\n EC_GROUP *group = NULL;\n EC_POINT *P = NULL;\n BN_CTX *ctx = NULL;\n BIGNUM *p = NULL, *a = NULL, *b = NULL, *x = NULL, *y = NULL, *order =\n NULL;\n int ok = 0;\n int seed_len, param_len;\n const EC_METHOD *meth;\n const EC_CURVE_DATA *data;\n const unsigned char *params;\n if (curve.data == NULL)\n return EC_GROUP_new(curve.meth != NULL ? curve.meth() : NULL);\n if ((ctx = BN_CTX_new()) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n data = curve.data;\n seed_len = data->seed_len;\n param_len = data->param_len;\n params = (const unsigned char *)(data + 1);\n params += seed_len;\n if ((p = BN_bin2bn(params + 0 * param_len, param_len, NULL)) == NULL\n || (a = BN_bin2bn(params + 1 * param_len, param_len, NULL)) == NULL\n || (b = BN_bin2bn(params + 2 * param_len, param_len, NULL)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);\n goto err;\n }\n if (curve.meth != 0) {\n meth = curve.meth();\n if (((group = EC_GROUP_new(meth)) == NULL) ||\n (!(group->meth->group_set_curve(group, p, a, b, ctx)))) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n } else if (data->field_type == NID_X9_62_prime_field) {\n if ((group = EC_GROUP_new_curve_GFp(p, a, b, ctx)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n }\n#ifndef OPENSSL_NO_EC2M\n else {\n if ((group = EC_GROUP_new_curve_GF2m(p, a, b, ctx)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n }\n#endif\n if ((P = EC_POINT_new(group)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n if ((x = BN_bin2bn(params + 3 * param_len, param_len, NULL)) == NULL\n || (y = BN_bin2bn(params + 4 * param_len, param_len, NULL)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n if ((order = BN_bin2bn(params + 5 * param_len, param_len, NULL)) == NULL\n || !BN_set_word(x, (BN_ULONG)data->cofactor)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);\n goto err;\n }\n if (!EC_GROUP_set_generator(group, P, order, x)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n if (seed_len) {\n if (!EC_GROUP_set_seed(group, params - seed_len, seed_len)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);\n goto err;\n }\n }\n ok = 1;\n err:\n if (!ok) {\n EC_GROUP_free(group);\n group = NULL;\n }\n EC_POINT_free(P);\n BN_CTX_free(ctx);\n BN_free(p);\n BN_free(a);\n BN_free(b);\n BN_free(order);\n BN_free(x);\n BN_free(y);\n return group;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return NULL;\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return ret;\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return ret;\n}', 'int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx)\n{\n int ret = 0;\n const BIGNUM *order;\n BN_CTX *new_ctx = NULL;\n EC_POINT *point = NULL;\n if ((group->meth->flags & EC_FLAGS_CUSTOM_CURVE) != 0)\n return 1;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL) {\n ECerr(EC_F_EC_GROUP_CHECK, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n if (!EC_GROUP_check_discriminant(group, ctx)) {\n ECerr(EC_F_EC_GROUP_CHECK, EC_R_DISCRIMINANT_IS_ZERO);\n goto err;\n }\n if (group->generator == NULL) {\n ECerr(EC_F_EC_GROUP_CHECK, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n if (EC_POINT_is_on_curve(group, group->generator, ctx) <= 0) {\n ECerr(EC_F_EC_GROUP_CHECK, EC_R_POINT_IS_NOT_ON_CURVE);\n goto err;\n }\n if ((point = EC_POINT_new(group)) == NULL)\n goto err;\n order = EC_GROUP_get0_order(group);\n if (order == NULL)\n goto err;\n if (BN_is_zero(order)) {\n ECerr(EC_F_EC_GROUP_CHECK, EC_R_UNDEFINED_ORDER);\n goto err;\n }\n if (!EC_POINT_mul(group, point, order, NULL, NULL, ctx))\n goto err;\n if (!EC_POINT_is_at_infinity(group, point)) {\n ECerr(EC_F_EC_GROUP_CHECK, EC_R_INVALID_GROUP_ORDER);\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_free(new_ctx);\n EC_POINT_free(point);\n return ret;\n}', 'int BN_is_zero(const BIGNUM *a)\n{\n return a->top == 0;\n}', 'int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar,\n const EC_POINT *point, const BIGNUM *p_scalar, BN_CTX *ctx)\n{\n const EC_POINT *points[1];\n const BIGNUM *scalars[1];\n points[0] = point;\n scalars[0] = p_scalar;\n return EC_POINTs_mul(group, r, g_scalar,\n (point != NULL\n && p_scalar != NULL), points, scalars, ctx);\n}', 'int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[],\n const BIGNUM *scalars[], BN_CTX *ctx)\n{\n if (group->meth->mul == 0)\n return ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);\n return group->meth->mul(group, r, scalar, num, points, scalars, ctx);\n}', 'int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[], const BIGNUM *scalars[],\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n const EC_POINT *generator = NULL;\n EC_POINT *tmp = NULL;\n size_t totalnum;\n size_t blocksize = 0, numblocks = 0;\n size_t pre_points_per_block = 0;\n size_t i, j;\n int k;\n int r_is_inverted = 0;\n int r_is_at_infinity = 1;\n size_t *wsize = NULL;\n signed char **wNAF = NULL;\n size_t *wNAF_len = NULL;\n size_t max_len = 0;\n size_t num_val;\n EC_POINT **val = NULL;\n EC_POINT **v;\n EC_POINT ***val_sub = NULL;\n const EC_PRE_COMP *pre_comp = NULL;\n int num_scalar = 0;\n int ret = 0;\n if ((scalar != NULL) && (num == 0)) {\n return ec_mul_consttime(group, r, scalar, NULL, ctx);\n }\n if ((scalar == NULL) && (num == 1)) {\n return ec_mul_consttime(group, r, scalars[0], points[0], ctx);\n }\n if (group->meth != r->meth) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n if ((scalar == NULL) && (num == 0)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n for (i = 0; i < num; i++) {\n if (group->meth != points[i]->meth) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n }\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n }\n if (scalar != NULL) {\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n pre_comp = group->pre_comp.ec;\n if (pre_comp && pre_comp->numblocks\n && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==\n 0)) {\n blocksize = pre_comp->blocksize;\n numblocks = (BN_num_bits(scalar) / blocksize) + 1;\n if (numblocks > pre_comp->numblocks)\n numblocks = pre_comp->numblocks;\n pre_points_per_block = (size_t)1 << (pre_comp->w - 1);\n if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n pre_comp = NULL;\n numblocks = 1;\n num_scalar = 1;\n }\n }\n totalnum = num + numblocks;\n wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));\n wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));\n wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));\n val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));\n if (wNAF != NULL)\n wNAF[0] = NULL;\n if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n num_val = 0;\n for (i = 0; i < num + num_scalar; i++) {\n size_t bits;\n bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);\n wsize[i] = EC_window_bits_for_scalar_size(bits);\n num_val += (size_t)1 << (wsize[i] - 1);\n wNAF[i + 1] = NULL;\n wNAF[i] =\n bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],\n &wNAF_len[i]);\n if (wNAF[i] == NULL)\n goto err;\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n }\n if (numblocks) {\n if (pre_comp == NULL) {\n if (num_scalar != 1) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n signed char *tmp_wNAF = NULL;\n size_t tmp_len = 0;\n if (num_scalar != 0) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n wsize[num] = pre_comp->w;\n tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);\n if (!tmp_wNAF)\n goto err;\n if (tmp_len <= max_len) {\n numblocks = 1;\n totalnum = num + 1;\n wNAF[num] = tmp_wNAF;\n wNAF[num + 1] = NULL;\n wNAF_len[num] = tmp_len;\n val_sub[num] = pre_comp->points;\n } else {\n signed char *pp;\n EC_POINT **tmp_points;\n if (tmp_len < numblocks * blocksize) {\n numblocks = (tmp_len + blocksize - 1) / blocksize;\n if (numblocks > pre_comp->numblocks) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n totalnum = num + numblocks;\n }\n pp = tmp_wNAF;\n tmp_points = pre_comp->points;\n for (i = num; i < totalnum; i++) {\n if (i < totalnum - 1) {\n wNAF_len[i] = blocksize;\n if (tmp_len < blocksize) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n tmp_len -= blocksize;\n } else\n wNAF_len[i] = tmp_len;\n wNAF[i + 1] = NULL;\n wNAF[i] = OPENSSL_malloc(wNAF_len[i]);\n if (wNAF[i] == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n memcpy(wNAF[i], pp, wNAF_len[i]);\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n if (*tmp_points == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n val_sub[i] = tmp_points;\n tmp_points += pre_points_per_block;\n pp += blocksize;\n }\n OPENSSL_free(tmp_wNAF);\n }\n }\n }\n val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));\n if (val == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n val[num_val] = NULL;\n v = val;\n for (i = 0; i < num + num_scalar; i++) {\n val_sub[i] = v;\n for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n *v = EC_POINT_new(group);\n if (*v == NULL)\n goto err;\n v++;\n }\n }\n if (!(v == val + num_val)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if ((tmp = EC_POINT_new(group)) == NULL)\n goto err;\n for (i = 0; i < num + num_scalar; i++) {\n if (i < num) {\n if (!EC_POINT_copy(val_sub[i][0], points[i]))\n goto err;\n } else {\n if (!EC_POINT_copy(val_sub[i][0], generator))\n goto err;\n }\n if (wsize[i] > 1) {\n if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))\n goto err;\n for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n if (!EC_POINT_add\n (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))\n goto err;\n }\n }\n }\n if (!EC_POINTs_make_affine(group, num_val, val, ctx))\n goto err;\n r_is_at_infinity = 1;\n for (k = max_len - 1; k >= 0; k--) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_dbl(group, r, r, ctx))\n goto err;\n }\n for (i = 0; i < totalnum; i++) {\n if (wNAF_len[i] > (size_t)k) {\n int digit = wNAF[i][k];\n int is_neg;\n if (digit) {\n is_neg = digit < 0;\n if (is_neg)\n digit = -digit;\n if (is_neg != r_is_inverted) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n r_is_inverted = !r_is_inverted;\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))\n goto err;\n r_is_at_infinity = 0;\n } else {\n if (!EC_POINT_add\n (group, r, r, val_sub[i][digit >> 1], ctx))\n goto err;\n }\n }\n }\n }\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (r_is_inverted)\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_free(new_ctx);\n EC_POINT_free(tmp);\n OPENSSL_free(wsize);\n OPENSSL_free(wNAF_len);\n if (wNAF != NULL) {\n signed char **w;\n for (w = wNAF; *w != NULL; w++)\n OPENSSL_free(*w);\n OPENSSL_free(wNAF);\n }\n if (val != NULL) {\n for (v = val; *v != NULL; v++)\n EC_POINT_clear_free(*v);\n OPENSSL_free(val);\n }\n OPENSSL_free(val_sub);\n return ret;\n}', 'static int ec_mul_consttime(const EC_GROUP *group, EC_POINT *r,\n const BIGNUM *scalar, const EC_POINT *point,\n BN_CTX *ctx)\n{\n int i, order_bits, group_top, kbit, pbit, Z_is_one;\n EC_POINT *s = NULL;\n BIGNUM *k = NULL;\n BIGNUM *lambda = NULL;\n BN_CTX *new_ctx = NULL;\n int ret = 0;\n if (ctx == NULL && (ctx = new_ctx = BN_CTX_secure_new()) == NULL)\n goto err;\n if ((group->order == NULL) || (group->field == NULL))\n goto err;\n order_bits = BN_num_bits(group->order);\n s = EC_POINT_new(group);\n if (s == NULL)\n goto err;\n if (point == NULL) {\n if (group->generator == NULL)\n goto err;\n if (!EC_POINT_copy(s, group->generator))\n goto err;\n } else {\n if (!EC_POINT_copy(s, point))\n goto err;\n }\n EC_POINT_BN_set_flags(s, BN_FLG_CONSTTIME);\n BN_CTX_start(ctx);\n lambda = BN_CTX_get(ctx);\n k = BN_CTX_get(ctx);\n if (k == NULL)\n goto err;\n group_top = bn_get_top(group->order);\n if ((bn_wexpand(k, group_top + 1) == NULL)\n || (bn_wexpand(lambda, group_top + 1) == NULL))\n goto err;\n if (!BN_copy(k, scalar))\n goto err;\n BN_set_flags(k, BN_FLG_CONSTTIME);\n if ((BN_num_bits(k) > order_bits) || (BN_is_negative(k))) {\n if (!BN_nnmod(k, k, group->order, ctx))\n goto err;\n }\n if (!BN_add(lambda, k, group->order))\n goto err;\n BN_set_flags(lambda, BN_FLG_CONSTTIME);\n if (!BN_add(k, lambda, group->order))\n goto err;\n kbit = BN_is_bit_set(lambda, order_bits);\n BN_consttime_swap(kbit, k, lambda, group_top + 1);\n group_top = bn_get_top(group->field);\n if ((bn_wexpand(s->X, group_top) == NULL)\n || (bn_wexpand(s->Y, group_top) == NULL)\n || (bn_wexpand(s->Z, group_top) == NULL)\n || (bn_wexpand(r->X, group_top) == NULL)\n || (bn_wexpand(r->Y, group_top) == NULL)\n || (bn_wexpand(r->Z, group_top) == NULL))\n goto err;\n if (!EC_POINT_copy(r, s))\n goto err;\n EC_POINT_BN_set_flags(r, BN_FLG_CONSTTIME);\n if (!EC_POINT_dbl(group, s, s, ctx))\n goto err;\n pbit = 0;\n#define EC_POINT_CSWAP(c, a, b, w, t) do { \\\n BN_consttime_swap(c, (a)->X, (b)->X, w); \\\n BN_consttime_swap(c, (a)->Y, (b)->Y, w); \\\n BN_consttime_swap(c, (a)->Z, (b)->Z, w); \\\n t = ((a)->Z_is_one ^ (b)->Z_is_one) & (c); \\\n (a)->Z_is_one ^= (t); \\\n (b)->Z_is_one ^= (t); \\\n} while(0)\n for (i = order_bits - 1; i >= 0; i--) {\n kbit = BN_is_bit_set(k, i) ^ pbit;\n EC_POINT_CSWAP(kbit, r, s, group_top, Z_is_one);\n if (!EC_POINT_add(group, s, r, s, ctx))\n goto err;\n if (!EC_POINT_dbl(group, r, r, ctx))\n goto err;\n pbit ^= kbit;\n }\n EC_POINT_CSWAP(pbit, r, s, group_top, Z_is_one);\n#undef EC_POINT_CSWAP\n ret = 1;\n err:\n EC_POINT_free(s);\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,324 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/bn/bn_asm.c/#L160 | BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
{
BN_ULONG c=0;
BN_ULONG bl,bh;
bn_check_num(num);
if (num <= 0) return((BN_ULONG)0);
bl=LBITS(w);
bh=HBITS(w);
for (;;)
{
mul_add(rp[0],ap[0],bl,bh,c);
if (--num == 0) break;
mul_add(rp[1],ap[1],bl,bh,c);
if (--num == 0) break;
mul_add(rp[2],ap[2],bl,bh,c);
if (--num == 0) break;
mul_add(rp[3],ap[3],bl,bh,c);
if (--num == 0) break;
ap+=4;
rp+=4;
}
return(c);
} | ['int test_sqr(BIO *bp, BN_CTX *ctx)\n\t{\n\tBIGNUM a,c;\n\tint i;\n\tint j;\n\tBN_init(&a);\n\tBN_init(&c);\n\tfor (i=0; i<40; i++)\n\t\t{\n\t\tBN_rand(&a,40+i*10,0,0);\n\t\ta.neg=rand_neg();\n\t\tif (bp == NULL)\n\t\t\tfor (j=0; j<100; j++)\n\t\t\t\tBN_sqr(&c,&a,ctx);\n\t\tBN_sqr(&c,&a,ctx);\n\t\tif (bp != NULL)\n\t\t\t{\n\t\t\tif (!results)\n\t\t\t\t{\n\t\t\t\tBN_print(bp,&a);\n\t\t\t\tBIO_puts(bp," * ");\n\t\t\t\tBN_print(bp,&a);\n\t\t\t\tBIO_puts(bp," - ");\n\t\t\t\t}\n\t\t\tBN_print(bp,&c);\n\t\t\tBIO_puts(bp,"\\n");\n\t\t\t}\n\t\t}\n\tBN_free(&a);\n\tBN_free(&c);\n\treturn(1);\n\t}', 'int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)\n\t{\n\tunsigned char *buf=NULL;\n\tint ret=0,bit,bytes,mask;\n\ttime_t tim;\n\tbytes=(bits+7)/8;\n\tbit=(bits-1)%8;\n\tmask=0xff<<bit;\n\tbuf=(unsigned char *)Malloc(bytes);\n\tif (buf == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_RAND,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\ttime(&tim);\n\tRAND_seed(&tim,sizeof(tim));\n\tRAND_bytes(buf,(int)bytes);\n\tif (top)\n\t\t{\n\t\tif (bit == 0)\n\t\t\t{\n\t\t\tbuf[0]=1;\n\t\t\tbuf[1]|=0x80;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbuf[0]|=(3<<(bit-1));\n\t\t\tbuf[0]&= ~(mask<<1);\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tbuf[0]|=(1<<bit);\n\t\tbuf[0]&= ~(mask<<1);\n\t\t}\n\tif (bottom)\n\t\tbuf[bytes-1]|=1;\n\tif (!BN_bin2bn(buf,bytes,rnd)) goto err;\n\tret=1;\nerr:\n\tif (buf != NULL)\n\t\t{\n\t\tmemset(buf,0,bytes);\n\t\tFree(buf);\n\t\t}\n\treturn(ret);\n\t}', 'int BN_sqr(BIGNUM *r, BIGNUM *a, BN_CTX *ctx)\n\t{\n\tint max,al;\n\tBIGNUM *tmp,*rr;\n#ifdef BN_COUNT\nprintf("BN_sqr %d * %d\\n",a->top,a->top);\n#endif\n\tbn_check_top(a);\n\ttmp= &(ctx->bn[ctx->tos]);\n\trr=(a != r)?r: (&ctx->bn[ctx->tos+1]);\n\tal=a->top;\n\tif (al <= 0)\n\t\t{\n\t\tr->top=0;\n\t\treturn(1);\n\t\t}\n\tmax=(al+al);\n\tif (bn_wexpand(rr,max+1) == NULL) return(0);\n\tr->neg=0;\n\tif (al == 4)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[8];\n\t\tbn_sqr_normal(rr->d,a->d,4,t);\n#else\n\t\tbn_sqr_comba4(rr->d,a->d);\n#endif\n\t\t}\n\telse if (al == 8)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[16];\n\t\tbn_sqr_normal(rr->d,a->d,8,t);\n#else\n\t\tbn_sqr_comba8(rr->d,a->d);\n#endif\n\t\t}\n\telse\n\t\t{\n#if defined(BN_RECURSION)\n\t\tif (al < BN_SQR_RECURSIVE_SIZE_NORMAL)\n\t\t\t{\n\t\t\tBN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL*2];\n\t\t\tbn_sqr_normal(rr->d,a->d,al,t);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint j,k;\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(a,k*2) == NULL) return(0);\n\t\t\t\tif (bn_wexpand(tmp,k*2) == NULL) return(0);\n\t\t\t\tbn_sqr_recursive(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,max) == NULL) return(0);\n\t\t\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\t}\n#else\n\t\tif (bn_wexpand(tmp,max) == NULL) return(0);\n\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n#endif\n\t\t}\n\trr->top=max;\n\tif ((max > 0) && (rr->d[max-1] == 0)) rr->top--;\n\tif (rr != r) BN_copy(r,rr);\n\treturn(1);\n\t}', 'void bn_sqr_normal(BN_ULONG *r, BN_ULONG *a, int n, BN_ULONG *tmp)\n\t{\n\tint i,j,max;\n\tBN_ULONG *ap,*rp;\n\tmax=n*2;\n\tap=a;\n\trp=r;\n\trp[0]=rp[max-1]=0;\n\trp++;\n\tj=n;\n\tif (--j > 0)\n\t\t{\n\t\tap++;\n\t\trp[j]=bn_mul_words(rp,ap,j,ap[-1]);\n\t\trp+=2;\n\t\t}\n\tfor (i=n-2; i>0; i--)\n\t\t{\n\t\tj--;\n\t\tap++;\n\t\trp[j]=bn_mul_add_words(rp,ap,j,ap[-1]);\n\t\trp+=2;\n\t\t}\n\tbn_add_words(r,r,r,max);\n\tbn_sqr_words(tmp,a,n);\n\tbn_add_words(r,r,tmp,max);\n\t}', 'BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)\n\t{\n\tBN_ULONG c=0;\n\tBN_ULONG bl,bh;\n\tbn_check_num(num);\n\tif (num <= 0) return((BN_ULONG)0);\n\tbl=LBITS(w);\n\tbh=HBITS(w);\n\tfor (;;)\n\t\t{\n\t\tmul_add(rp[0],ap[0],bl,bh,c);\n\t\tif (--num == 0) break;\n\t\tmul_add(rp[1],ap[1],bl,bh,c);\n\t\tif (--num == 0) break;\n\t\tmul_add(rp[2],ap[2],bl,bh,c);\n\t\tif (--num == 0) break;\n\t\tmul_add(rp[3],ap[3],bl,bh,c);\n\t\tif (--num == 0) break;\n\t\tap+=4;\n\t\trp+=4;\n\t\t}\n\treturn(c);\n\t}'] |
16,325 | 0 | https://github.com/libav/libav/blob/4d810ad2e943a59658ddf00a397121c2b62f7157/libavformat/wavdec.c/#L160 | static int wav_parse_bext_tag(AVFormatContext *s, int64_t size)
{
char temp[131], *coding_history;
int ret, x;
uint64_t time_reference;
int64_t umid_parts[8], umid_mask = 0;
if ((ret = wav_parse_bext_string(s, "description", 256)) < 0 ||
(ret = wav_parse_bext_string(s, "originator", 32)) < 0 ||
(ret = wav_parse_bext_string(s, "originator_reference", 32)) < 0 ||
(ret = wav_parse_bext_string(s, "origination_date", 10)) < 0 ||
(ret = wav_parse_bext_string(s, "origination_time", 8)) < 0)
return ret;
time_reference = avio_rl64(s->pb);
snprintf(temp, sizeof(temp), "%"PRIu64, time_reference);
if ((ret = av_dict_set(&s->metadata, "time_reference", temp, 0)) < 0)
return ret;
if (avio_rl16(s->pb) >= 1) {
for (x = 0; x < 8; x++)
umid_mask |= umid_parts[x] = avio_rb64(s->pb);
if (umid_mask) {
if (umid_parts[4] == 0 && umid_parts[5] == 0 &&
umid_parts[6] == 0 && umid_parts[7] == 0) {
snprintf(temp, sizeof(temp),
"0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
umid_parts[0], umid_parts[1],
umid_parts[2], umid_parts[3]);
} else {
snprintf(temp, sizeof(temp),
"0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64
"0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
umid_parts[0], umid_parts[1],
umid_parts[2], umid_parts[3],
umid_parts[4], umid_parts[5],
umid_parts[6], umid_parts[7]);
}
if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0)
return ret;
}
avio_skip(s->pb, 190);
} else
avio_skip(s->pb, 254);
if (size > 602) {
size -= 602;
if (!(coding_history = av_malloc(size + 1)))
return AVERROR(ENOMEM);
if ((ret = avio_read(s->pb, coding_history, size)) < 0)
return ret;
coding_history[size] = 0;
if ((ret = av_dict_set(&s->metadata, "coding_history", coding_history,
AV_DICT_DONT_STRDUP_VAL)) < 0)
return ret;
}
return 0;
} | ['static int wav_parse_bext_tag(AVFormatContext *s, int64_t size)\n{\n char temp[131], *coding_history;\n int ret, x;\n uint64_t time_reference;\n int64_t umid_parts[8], umid_mask = 0;\n if ((ret = wav_parse_bext_string(s, "description", 256)) < 0 ||\n (ret = wav_parse_bext_string(s, "originator", 32)) < 0 ||\n (ret = wav_parse_bext_string(s, "originator_reference", 32)) < 0 ||\n (ret = wav_parse_bext_string(s, "origination_date", 10)) < 0 ||\n (ret = wav_parse_bext_string(s, "origination_time", 8)) < 0)\n return ret;\n time_reference = avio_rl64(s->pb);\n snprintf(temp, sizeof(temp), "%"PRIu64, time_reference);\n if ((ret = av_dict_set(&s->metadata, "time_reference", temp, 0)) < 0)\n return ret;\n if (avio_rl16(s->pb) >= 1) {\n for (x = 0; x < 8; x++)\n umid_mask |= umid_parts[x] = avio_rb64(s->pb);\n if (umid_mask) {\n if (umid_parts[4] == 0 && umid_parts[5] == 0 &&\n umid_parts[6] == 0 && umid_parts[7] == 0) {\n snprintf(temp, sizeof(temp),\n "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,\n umid_parts[0], umid_parts[1],\n umid_parts[2], umid_parts[3]);\n } else {\n snprintf(temp, sizeof(temp),\n "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64\n "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,\n umid_parts[0], umid_parts[1],\n umid_parts[2], umid_parts[3],\n umid_parts[4], umid_parts[5],\n umid_parts[6], umid_parts[7]);\n }\n if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0)\n return ret;\n }\n avio_skip(s->pb, 190);\n } else\n avio_skip(s->pb, 254);\n if (size > 602) {\n size -= 602;\n if (!(coding_history = av_malloc(size + 1)))\n return AVERROR(ENOMEM);\n if ((ret = avio_read(s->pb, coding_history, size)) < 0)\n return ret;\n coding_history[size] = 0;\n if ((ret = av_dict_set(&s->metadata, "coding_history", coding_history,\n AV_DICT_DONT_STRDUP_VAL)) < 0)\n return ret;\n }\n return 0;\n}'] |
16,326 | 0 | https://github.com/openssl/openssl/blob/3208ff58ca59d143b49dd2f1c05fbc33cf35e64f/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return((void *)ret);
} | ['static int sv_body(char *hostname, int s, unsigned char *context)\n\t{\n\tchar *buf=NULL;\n\tfd_set readfds;\n\tint ret=1,width;\n\tint k,i;\n\tunsigned long l;\n\tSSL *con=NULL;\n\tBIO *sbio;\n#ifdef OPENSSL_SYS_WINDOWS\n\tstruct timeval tv;\n#endif\n\tif ((buf=OPENSSL_malloc(bufsize)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto err;\n\t\t}\n#ifdef FIONBIO\n\tif (s_nbio)\n\t\t{\n\t\tunsigned long sl=1;\n\t\tif (!s_quiet)\n\t\t\tBIO_printf(bio_err,"turning on non blocking io\\n");\n\t\tif (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)\n\t\t\tERR_print_errors(bio_err);\n\t\t}\n#endif\n\tif (con == NULL) {\n\t\tcon=SSL_new(ctx);\n#ifndef OPENSSL_NO_KRB5\n\t\tif ((con->kssl_ctx = kssl_ctx_new()) != NULL)\n {\n kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,\n\t\t\t\t\t\t\t\tKRB5SVC);\n kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,\n\t\t\t\t\t\t\t\tKRB5KEYTAB);\n }\n#endif\n\t\tif(context)\n\t\t SSL_set_session_id_context(con, context,\n\t\t\t\t\t\t strlen((char *)context));\n\t}\n\tSSL_clear(con);\n\tsbio=BIO_new_socket(s,BIO_NOCLOSE);\n\tif (s_nbio_test)\n\t\t{\n\t\tBIO *test;\n\t\ttest=BIO_new(BIO_f_nbio_test());\n\t\tsbio=BIO_push(test,sbio);\n\t\t}\n\tSSL_set_bio(con,sbio,sbio);\n\tSSL_set_accept_state(con);\n\tif (s_debug)\n\t\t{\n\t\tcon->debug=1;\n\t\tBIO_set_callback(SSL_get_rbio(con),bio_dump_cb);\n\t\tBIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);\n\t\t}\n\tif (s_msg)\n\t\t{\n\t\tSSL_set_msg_callback(con, msg_cb);\n\t\tSSL_set_msg_callback_arg(con, bio_s_out);\n\t\t}\n\twidth=s+1;\n\tfor (;;)\n\t\t{\n\t\tint read_from_terminal;\n\t\tint read_from_sslcon;\n\t\tread_from_terminal = 0;\n\t\tread_from_sslcon = SSL_pending(con);\n\t\tif (!read_from_sslcon)\n\t\t\t{\n\t\t\tFD_ZERO(&readfds);\n#ifndef OPENSSL_SYS_WINDOWS\n\t\t\tFD_SET(fileno(stdin),&readfds);\n#endif\n\t\t\tFD_SET(s,&readfds);\n#ifdef OPENSSL_SYS_WINDOWS\n\t\t\ttv.tv_sec = 1;\n\t\t\ttv.tv_usec = 0;\n\t\t\ti=select(width,(void *)&readfds,NULL,NULL,&tv);\n\t\t\tif((i < 0) || (!i && !_kbhit() ) )continue;\n\t\t\tif(_kbhit())\n\t\t\t\tread_from_terminal = 1;\n#else\n\t\t\ti=select(width,(void *)&readfds,NULL,NULL,NULL);\n\t\t\tif (i <= 0) continue;\n\t\t\tif (FD_ISSET(fileno(stdin),&readfds))\n\t\t\t\tread_from_terminal = 1;\n#endif\n\t\t\tif (FD_ISSET(s,&readfds))\n\t\t\t\tread_from_sslcon = 1;\n\t\t\t}\n\t\tif (read_from_terminal)\n\t\t\t{\n\t\t\tif (s_crlf)\n\t\t\t\t{\n\t\t\t\tint j, lf_num;\n\t\t\t\ti=read(fileno(stdin), buf, bufsize/2);\n\t\t\t\tlf_num = 0;\n\t\t\t\tfor (j = 0; j < i; j++)\n\t\t\t\t\tif (buf[j] == \'\\n\')\n\t\t\t\t\t\tlf_num++;\n\t\t\t\tfor (j = i-1; j >= 0; j--)\n\t\t\t\t\t{\n\t\t\t\t\tbuf[j+lf_num] = buf[j];\n\t\t\t\t\tif (buf[j] == \'\\n\')\n\t\t\t\t\t\t{\n\t\t\t\t\t\tlf_num--;\n\t\t\t\t\t\ti++;\n\t\t\t\t\t\tbuf[j+lf_num] = \'\\r\';\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\tassert(lf_num == 0);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\ti=read(fileno(stdin),buf,bufsize);\n\t\t\tif (!s_quiet)\n\t\t\t\t{\n\t\t\t\tif ((i <= 0) || (buf[0] == \'Q\'))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tSHUTDOWN(s);\n\t\t\t\t\tclose_accept_socket();\n\t\t\t\t\tret= -11;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tif ((i <= 0) || (buf[0] == \'q\'))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tSHUTDOWN(s);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tif ((buf[0] == \'r\') &&\n\t\t\t\t\t((buf[1] == \'\\n\') || (buf[1] == \'\\r\')))\n\t\t\t\t\t{\n\t\t\t\t\tSSL_renegotiate(con);\n\t\t\t\t\ti=SSL_do_handshake(con);\n\t\t\t\t\tprintf("SSL_do_handshake -> %d\\n",i);\n\t\t\t\t\ti=0;\n\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\t\t\t\tif ((buf[0] == \'R\') &&\n\t\t\t\t\t((buf[1] == \'\\n\') || (buf[1] == \'\\r\')))\n\t\t\t\t\t{\n\t\t\t\t\tSSL_set_verify(con,\n\t\t\t\t\t\tSSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);\n\t\t\t\t\tSSL_renegotiate(con);\n\t\t\t\t\ti=SSL_do_handshake(con);\n\t\t\t\t\tprintf("SSL_do_handshake -> %d\\n",i);\n\t\t\t\t\ti=0;\n\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\t\t\t\tif (buf[0] == \'P\')\n\t\t\t\t\t{\n\t\t\t\t\tstatic char *str="Lets print some clear text\\n";\n\t\t\t\t\tBIO_write(SSL_get_wbio(con),str,strlen(str));\n\t\t\t\t\t}\n\t\t\t\tif (buf[0] == \'S\')\n\t\t\t\t\t{\n\t\t\t\t\tprint_stats(bio_s_out,SSL_get_SSL_CTX(con));\n\t\t\t\t\t}\n\t\t\t\t}\n#ifdef CHARSET_EBCDIC\n\t\t\tebcdic2ascii(buf,buf,i);\n#endif\n\t\t\tl=k=0;\n\t\t\tfor (;;)\n\t\t\t\t{\n#ifdef RENEG\n{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }\n#endif\n\t\t\t\tk=SSL_write(con,&(buf[l]),(unsigned int)i);\n\t\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t\t{\n\t\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\t\tBIO_printf(bio_s_out,"Write BLOCK\\n");\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\t\tBIO_printf(bio_s_out,"ERROR\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tl+=k;\n\t\t\t\ti-=k;\n\t\t\t\tif (i <= 0) break;\n\t\t\t\t}\n\t\t\t}\n\t\tif (read_from_sslcon)\n\t\t\t{\n\t\t\tif (!SSL_is_init_finished(con))\n\t\t\t\t{\n\t\t\t\ti=init_ssl_connection(con);\n\t\t\t\tif (i < 0)\n\t\t\t\t\t{\n\t\t\t\t\tret=0;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\telse if (i == 0)\n\t\t\t\t\t{\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\nagain:\n\t\t\t\ti=SSL_read(con,(char *)buf,bufsize);\n\t\t\t\tswitch (SSL_get_error(con,i))\n\t\t\t\t\t{\n\t\t\t\tcase SSL_ERROR_NONE:\n#ifdef CHARSET_EBCDIC\n\t\t\t\t\tascii2ebcdic(buf,buf,i);\n#endif\n\t\t\t\t\twrite(fileno(stdout),buf,\n\t\t\t\t\t\t(unsigned int)i);\n\t\t\t\t\tif (SSL_pending(con)) goto again;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\t\tBIO_printf(bio_s_out,"Read BLOCK\\n");\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\t\tBIO_printf(bio_s_out,"ERROR\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\nerr:\n\tBIO_printf(bio_s_out,"shutting down SSL\\n");\n#if 1\n\tSSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);\n#else\n\tSSL_shutdown(con);\n#endif\n\tif (con != NULL) SSL_free(con);\n\tBIO_printf(bio_s_out,"CONNECTION CLOSED\\n");\n\tif (buf != NULL)\n\t\t{\n\t\tmemset(buf,0,bufsize);\n\t\tOPENSSL_free(buf);\n\t\t}\n\tif (ret >= 0)\n\t\tBIO_printf(bio_s_out,"ACCEPT\\n");\n\treturn(ret);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)OPENSSL_malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n#ifndef\tOPENSSL_NO_KRB5\n\ts->kssl_ctx = kssl_ctx_new();\n#endif\n\ts->options=ctx->options;\n\ts->mode=ctx->mode;\n\ts->max_cert_list=ctx->max_cert_list;\n\tif (ctx->cert != NULL)\n\t\t{\n\t\ts->cert = ssl_cert_dup(ctx->cert);\n\t\tif (s->cert == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->read_ahead=ctx->read_ahead;\n\ts->msg_callback=ctx->msg_callback;\n\ts->msg_callback_arg=ctx->msg_callback_arg;\n\ts->verify_mode=ctx->verify_mode;\n\ts->verify_depth=ctx->verify_depth;\n\ts->sid_ctx_length=ctx->sid_ctx_length;\n\tmemcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));\n\ts->verify_callback=ctx->default_verify_callback;\n\ts->generate_session_id=ctx->generate_session_id;\n\ts->purpose = ctx->purpose;\n\ts->trust = ctx->trust;\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\tgoto err;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n\treturn(s);\nerr:\n\tif (s != NULL)\n\t\t{\n\t\tif (s->cert != NULL)\n\t\t\tssl_cert_free(s->cert);\n\t\tif (s->ctx != NULL)\n\t\t\tSSL_CTX_free(s->ctx);\n\t\tOPENSSL_free(s);\n\t\t}\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'int SSL_clear(SSL *s)\n\t{\n\tint state;\n\tif (s->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);\n\t\treturn(0);\n\t\t}\n\ts->error=0;\n\ts->hit=0;\n\ts->shutdown=0;\n#if 0\n\tif (s->new_session) return(1);\n#else\n\tif (s->new_session)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);\n\t\treturn 0;\n\t\t}\n#endif\n\tstate=s->state;\n\ts->type=0;\n\ts->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);\n\ts->version=s->method->version;\n\ts->client_version=s->version;\n\ts->rwstate=SSL_NOTHING;\n\ts->rstate=SSL_ST_READ_HEADER;\n#if 0\n\ts->read_ahead=s->ctx->read_ahead;\n#endif\n\tif (s->init_buf != NULL)\n\t\t{\n\t\tBUF_MEM_free(s->init_buf);\n\t\ts->init_buf=NULL;\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (ssl_clear_bad_session(s))\n\t\t{\n\t\tSSL_SESSION_free(s->session);\n\t\ts->session=NULL;\n\t\t}\n\ts->first_packet=0;\n#if 1\n\tif (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))\n\t\t{\n\t\ts->method->ssl_free(s);\n\t\ts->method=s->ctx->method;\n\t\tif (!s->method->ssl_new(s))\n\t\t\treturn(0);\n\t\t}\n\telse\n#endif\n\t\ts->method->ssl_clear(s);\n\treturn(1);\n\t}', 'int ssl_clear_bad_session(SSL *s)\n\t{\n\tif (\t(s->session != NULL) &&\n\t\t!(s->shutdown & SSL_SENT_SHUTDOWN) &&\n\t\t!(SSL_in_init(s) || SSL_in_before(s)))\n\t\t{\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\treturn(1);\n\t\t}\n\telse\n\t\treturn(0);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tif ((r = (SSL_SESSION *)lh_retrieve(ctx->sessions,c)) == c)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}'] |
16,327 | 0 | https://github.com/openssl/openssl/blob/9b67b4b3caf071f490b95128f5dd44d9ce52032d/crypto/lhash/lhash.c/#L285 | void lh_doall_arg(LHASH *lh, void (*func)(), char *arg)
{
int i;
LHASH_NODE *a,*n;
for (i=lh->num_nodes-1; i>=0; i--)
{
a=lh->b[i];
while (a != NULL)
{
n=a->next;
func(a->data,arg);
a=n;
}
}
} | ['int MAIN(int argc, char **argv)\n\t{\n\tint total=0;\n\tint total_done=0;\n\tint badops=0;\n\tint ret=1;\n\tint req=0;\n\tint verbose=0;\n\tint gencrl=0;\n\tint dorevoke=0;\n\tlong crldays=0;\n\tlong crlhours=0;\n\tlong errorline= -1;\n\tchar *configfile=NULL;\n\tchar *md=NULL;\n\tchar *policy=NULL;\n\tchar *keyfile=NULL;\n\tchar *certfile=NULL;\n\tchar *infile=NULL;\n\tchar *spkac_file=NULL;\n\tchar *ss_cert_file=NULL;\n\tEVP_PKEY *pkey=NULL;\n\tint output_der = 0;\n\tchar *outfile=NULL;\n\tchar *outdir=NULL;\n\tchar *serialfile=NULL;\n\tchar *extensions=NULL;\n\tchar *crl_ext=NULL;\n\tBIGNUM *serial=NULL;\n\tchar *startdate=NULL;\n\tint days=0;\n\tint batch=0;\n\tX509 *x509=NULL;\n\tX509 *x=NULL;\n\tBIO *in=NULL,*out=NULL,*Sout=NULL,*Cout=NULL;\n\tchar *dbfile=NULL;\n\tTXT_DB *db=NULL;\n\tX509_CRL *crl=NULL;\n\tX509_CRL_INFO *ci=NULL;\n\tX509_REVOKED *r=NULL;\n\tchar **pp,*p,*f;\n\tint i,j;\n\tlong l;\n\tconst EVP_MD *dgst=NULL;\n\tSTACK_OF(CONF_VALUE) *attribs=NULL;\n\tSTACK *cert_sk=NULL;\n\tBIO *hex=NULL;\n#undef BSIZE\n#define BSIZE 256\n\tMS_STATIC char buf[3][BSIZE];\n#ifdef EFENCE\nEF_PROTECT_FREE=1;\nEF_PROTECT_BELOW=1;\nEF_ALIGNMENT=0;\n#endif\n\tapps_startup();\n\tX509V3_add_standard_extensions();\n\tpreserve=0;\n\tif (bio_err == NULL)\n\t\tif ((bio_err=BIO_new(BIO_s_file())) != NULL)\n\t\t\tBIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif\t(strcmp(*argv,"-verbose") == 0)\n\t\t\tverbose=1;\n\t\telse if\t(strcmp(*argv,"-config") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tconfigfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-name") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsection= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-startdate") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tstartdate= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-days") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tdays=atoi(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-md") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tmd= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-policy") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpolicy= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-keyfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkeyfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcertfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-in") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinfile= *(++argv);\n\t\t\treq=1;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-out") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\toutfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-outdir") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\toutdir= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-batch") == 0)\n\t\t\tbatch=1;\n\t\telse if (strcmp(*argv,"-preserveDN") == 0)\n\t\t\tpreserve=1;\n\t\telse if (strcmp(*argv,"-gencrl") == 0)\n\t\t\tgencrl=1;\n\t\telse if (strcmp(*argv,"-msie_hack") == 0)\n\t\t\tmsie_hack=1;\n\t\telse if (strcmp(*argv,"-crldays") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcrldays= atol(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-crlhours") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcrlhours= atol(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-infiles") == 0)\n\t\t\t{\n\t\t\targc--;\n\t\t\targv++;\n\t\t\treq=1;\n\t\t\tbreak;\n\t\t\t}\n\t\telse if (strcmp(*argv, "-ss_cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tss_cert_file = *(++argv);\n\t\t\treq=1;\n\t\t\t}\n\t\telse if (strcmp(*argv, "-spkac") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tspkac_file = *(++argv);\n\t\t\treq=1;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-revoke") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinfile= *(++argv);\n\t\t\tdorevoke=1;\n\t\t\t}\n\t\telse\n\t\t\t{\nbad:\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadops=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badops)\n\t\t{\n\t\tfor (pp=ca_usage; (*pp != NULL); pp++)\n\t\t\tBIO_printf(bio_err,*pp);\n\t\tgoto err;\n\t\t}\n\tERR_load_crypto_strings();\n\tif (configfile == NULL) configfile = getenv("OPENSSL_CONF");\n\tif (configfile == NULL) configfile = getenv("SSLEAY_CONF");\n\tif (configfile == NULL)\n\t\t{\n#ifdef VMS\n\t\tstrncpy(buf[0],X509_get_default_cert_area(),\n\t\t\tsizeof(buf[0])-1-sizeof(CONFIG_FILE));\n#else\n\t\tstrncpy(buf[0],X509_get_default_cert_area(),\n\t\t\tsizeof(buf[0])-2-sizeof(CONFIG_FILE));\n\t\tstrcat(buf[0],"/");\n#endif\n\t\tstrcat(buf[0],CONFIG_FILE);\n\t\tconfigfile=buf[0];\n\t\t}\n\tBIO_printf(bio_err,"Using configuration from %s\\n",configfile);\n\tif ((conf=CONF_load(NULL,configfile,&errorline)) == NULL)\n\t\t{\n\t\tif (errorline <= 0)\n\t\t\tBIO_printf(bio_err,"error loading the config file \'%s\'\\n",\n\t\t\t\tconfigfile);\n\t\telse\n\t\t\tBIO_printf(bio_err,"error on line %ld of config file \'%s\'\\n"\n\t\t\t\t,errorline,configfile);\n\t\tgoto err;\n\t\t}\n\tif (section == NULL)\n\t\t{\n\t\tsection=CONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_CA);\n\t\tif (section == NULL)\n\t\t\t{\n\t\t\tlookup_fail(BASE_SECTION,ENV_DEFAULT_CA);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (conf != NULL)\n\t\t{\n\t\tp=CONF_get_string(conf,NULL,"oid_file");\n\t\tif (p != NULL)\n\t\t\t{\n\t\t\tBIO *oid_bio;\n\t\t\toid_bio=BIO_new_file(p,"r");\n\t\t\tif (oid_bio == NULL)\n\t\t\t\t{\n\t\t\t\tERR_clear_error();\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tOBJ_create_objects(oid_bio);\n\t\t\t\tBIO_free(oid_bio);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif(!add_oid_section(conf)) {\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto err;\n\t\t}\n\tin=BIO_new(BIO_s_file());\n\tout=BIO_new(BIO_s_file());\n\tSout=BIO_new(BIO_s_file());\n\tCout=BIO_new(BIO_s_file());\n\tif ((in == NULL) || (out == NULL) || (Sout == NULL) || (Cout == NULL))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto err;\n\t\t}\n\tif ((keyfile == NULL) && ((keyfile=CONF_get_string(conf,\n\t\tsection,ENV_PRIVATE_KEY)) == NULL))\n\t\t{\n\t\tlookup_fail(section,ENV_PRIVATE_KEY);\n\t\tgoto err;\n\t\t}\n\tif (BIO_read_filename(in,keyfile) <= 0)\n\t\t{\n\t\tperror(keyfile);\n\t\tBIO_printf(bio_err,"trying to load CA private key\\n");\n\t\tgoto err;\n\t\t}\n\tif (key == NULL)\n\t\tpkey=PEM_read_bio_PrivateKey(in,NULL,NULL);\n\telse\n\t\t{\n\t\tpkey=PEM_read_bio_PrivateKey(in,NULL,key_callback);\n\t\tmemset(key,0,strlen(key));\n\t\t}\n\tif (pkey == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"unable to load CA private key\\n");\n\t\tgoto err;\n\t\t}\n\tif ((certfile == NULL) && ((certfile=CONF_get_string(conf,\n\t\tsection,ENV_CERTIFICATE)) == NULL))\n\t\t{\n\t\tlookup_fail(section,ENV_CERTIFICATE);\n\t\tgoto err;\n\t\t}\n if (BIO_read_filename(in,certfile) <= 0)\n\t\t{\n\t\tperror(certfile);\n\t\tBIO_printf(bio_err,"trying to load CA certificate\\n");\n\t\tgoto err;\n\t\t}\n\tx509=PEM_read_bio_X509(in,NULL,NULL);\n\tif (x509 == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"unable to load CA certificate\\n");\n\t\tgoto err;\n\t\t}\n\tif (!X509_check_private_key(x509,pkey))\n\t\t{\n\t\tBIO_printf(bio_err,"CA certificate and CA private key do not match\\n");\n\t\tgoto err;\n\t\t}\n\tf=CONF_get_string(conf,BASE_SECTION,ENV_PRESERVE);\n\tif ((f != NULL) && ((*f == \'y\') || (*f == \'Y\')))\n\t\tpreserve=1;\n\tf=CONF_get_string(conf,BASE_SECTION,ENV_MSIE_HACK);\n\tif ((f != NULL) && ((*f == \'y\') || (*f == \'Y\')))\n\t\tmsie_hack=1;\n\tif ((outdir == NULL) && (req))\n\t\t{\n\t\tstruct stat sb;\n\t\tif ((outdir=CONF_get_string(conf,section,ENV_NEW_CERTS_DIR))\n\t\t\t== NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"there needs to be defined a directory for new certificate to be placed in\\n");\n\t\t\tgoto err;\n\t\t\t}\n#ifdef VMS\n\t\tif (access(outdir,R_OK|W_OK) != 0)\n#else\n\t\tif (access(outdir,R_OK|W_OK|X_OK) != 0)\n#endif\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"I am unable to acces the %s directory\\n",outdir);\n\t\t\tperror(outdir);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (stat(outdir,&sb) != 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unable to stat(%s)\\n",outdir);\n\t\t\tperror(outdir);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!(sb.st_mode & S_IFDIR))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"%s need to be a directory\\n",outdir);\n\t\t\tperror(outdir);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif ((dbfile=CONF_get_string(conf,section,ENV_DATABASE)) == NULL)\n\t\t{\n\t\tlookup_fail(section,ENV_DATABASE);\n\t\tgoto err;\n\t\t}\n\tif (BIO_read_filename(in,dbfile) <= 0)\n\t\t{\n\t\tperror(dbfile);\n\t\tBIO_printf(bio_err,"unable to open \'%s\'\\n",dbfile);\n\t\tgoto err;\n\t\t}\n\tdb=TXT_DB_read(in,DB_NUMBER);\n\tif (db == NULL) goto err;\n\tfor (i=0; i<sk_num(db->data); i++)\n\t\t{\n\t\tpp=(char **)sk_value(db->data,i);\n\t\tif ((pp[DB_type][0] != DB_TYPE_REV) &&\n\t\t\t(pp[DB_rev_date][0] != \'\\0\'))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"entry %d: not revoked yet, but has a revocation date\\n",i+1);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif ((pp[DB_type][0] == DB_TYPE_REV) &&\n\t\t\t!check_time_format(pp[DB_rev_date]))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"entry %d: invalid revocation date\\n",\n\t\t\t\ti+1);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!check_time_format(pp[DB_exp_date]))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"entry %d: invalid expiry date\\n",i+1);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp=pp[DB_serial];\n\t\tj=strlen(p);\n\t\tif ((j&1) || (j < 2))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"entry %d: bad serial number length (%d)\\n",i+1,j);\n\t\t\tgoto err;\n\t\t\t}\n\t\twhile (*p)\n\t\t\t{\n\t\t\tif (!(\t((*p >= \'0\') && (*p <= \'9\')) ||\n\t\t\t\t((*p >= \'A\') && (*p <= \'F\')) ||\n\t\t\t\t((*p >= \'a\') && (*p <= \'f\'))) )\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"entry %d: bad serial number characters, char pos %ld, char is \'%c\'\\n",i+1,(long)(p-pp[DB_serial]),*p);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tp++;\n\t\t\t}\n\t\t}\n\tif (verbose)\n\t\t{\n\t\tBIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT);\n\t\tTXT_DB_write(out,db);\n\t\tBIO_printf(bio_err,"%d entries loaded from the database\\n",\n\t\t\tdb->data->num);\n\t\tBIO_printf(bio_err,"generating indexs\\n");\n\t\t}\n\tif (!TXT_DB_create_index(db,DB_serial,NULL,index_serial_hash,\n\t\tindex_serial_cmp))\n\t\t{\n\t\tBIO_printf(bio_err,"error creating serial number index:(%ld,%ld,%ld)\\n",db->error,db->arg1,db->arg2);\n\t\tgoto err;\n\t\t}\n\tif (!TXT_DB_create_index(db,DB_name,index_name_qual,index_name_hash,\n\t\tindex_name_cmp))\n\t\t{\n\t\tBIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\\n",\n\t\t\tdb->error,db->arg1,db->arg2);\n\t\tgoto err;\n\t\t}\n\tif (req || gencrl)\n\t\t{\n\t\tif (outfile != NULL)\n\t\t\t{\n\t\t\tif (BIO_write_filename(Sout,outfile) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(outfile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\tBIO_set_fp(Sout,stdout,BIO_NOCLOSE|BIO_FP_TEXT);\n\t\t}\n\tif (req)\n\t\t{\n\t\tif ((md == NULL) && ((md=CONF_get_string(conf,\n\t\t\tsection,ENV_DEFAULT_MD)) == NULL))\n\t\t\t{\n\t\t\tlookup_fail(section,ENV_DEFAULT_MD);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif ((dgst=EVP_get_digestbyname(md)) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"%s is an unsupported message digest type\\n",md);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (verbose)\n\t\t\tBIO_printf(bio_err,"message digest is %s\\n",\n\t\t\t\tOBJ_nid2ln(dgst->type));\n\t\tif ((policy == NULL) && ((policy=CONF_get_string(conf,\n\t\t\tsection,ENV_POLICY)) == NULL))\n\t\t\t{\n\t\t\tlookup_fail(section,ENV_POLICY);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (verbose)\n\t\t\tBIO_printf(bio_err,"policy is %s\\n",policy);\n\t\tif ((serialfile=CONF_get_string(conf,section,ENV_SERIAL))\n\t\t\t== NULL)\n\t\t\t{\n\t\t\tlookup_fail(section,ENV_SERIAL);\n\t\t\tgoto err;\n\t\t\t}\n\t\textensions=CONF_get_string(conf,section,ENV_EXTENSIONS);\n\t\tif(extensions) {\n\t\t\tX509V3_CTX ctx;\n\t\t\tX509V3_set_ctx_test(&ctx);\n\t\t\tX509V3_set_conf_lhash(&ctx, conf);\n\t\t\tif(!X509V3_EXT_add_conf(conf, &ctx, extensions, NULL)) {\n\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Error Loading extension section %s\\n",\n\t\t\t\t\t\t\t\t extensions);\n\t\t\t\tret = 1;\n\t\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\t\tif (startdate == NULL)\n\t\t\t{\n\t\t\tstartdate=(char *)CONF_get_string(conf,section,\n\t\t\t\tENV_DEFAULT_STARTDATE);\n\t\t\tif (startdate == NULL)\n\t\t\t\tstartdate="today";\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!ASN1_UTCTIME_set_string(NULL,startdate))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"start date is invalid, it should be YYMMDDHHMMSS\\n");\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tif (days == 0)\n\t\t\t{\n\t\t\tdays=(int)CONF_get_number(conf,section,\n\t\t\t\tENV_DEFAULT_DAYS);\n\t\t\t}\n\t\tif (days == 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"cannot lookup how many days to certify for\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tif ((serial=load_serial(serialfile)) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"error while loading serial number\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (verbose)\n\t\t\t{\n\t\t\tif ((f=BN_bn2hex(serial)) == NULL) goto err;\n\t\t\tBIO_printf(bio_err,"next serial number is %s\\n",f);\n\t\t\tFree(f);\n\t\t\t}\n\t\tif ((attribs=CONF_get_section(conf,policy)) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unable to find \'section\' for %s\\n",policy);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif ((cert_sk=sk_new_null()) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (spkac_file != NULL)\n\t\t\t{\n\t\t\ttotal++;\n\t\t\tj=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,\n\t\t\t\tserial,startdate,days,extensions,conf,verbose);\n\t\t\tif (j < 0) goto err;\n\t\t\tif (j > 0)\n\t\t\t\t{\n\t\t\t\ttotal_done++;\n\t\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t\tif (!BN_add_word(serial,1)) goto err;\n\t\t\t\tif (!sk_push(cert_sk,(char *)x))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tif (outfile)\n\t\t\t\t\t{\n\t\t\t\t\toutput_der = 1;\n\t\t\t\t\tbatch = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tif (ss_cert_file != NULL)\n\t\t\t{\n\t\t\ttotal++;\n\t\t\tj=certify_cert(&x,ss_cert_file,pkey,x509,dgst,attribs,\n\t\t\t\tdb,serial,startdate,days,batch,\n\t\t\t\textensions,conf,verbose);\n\t\t\tif (j < 0) goto err;\n\t\t\tif (j > 0)\n\t\t\t\t{\n\t\t\t\ttotal_done++;\n\t\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t\tif (!BN_add_word(serial,1)) goto err;\n\t\t\t\tif (!sk_push(cert_sk,(char *)x))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tif (infile != NULL)\n\t\t\t{\n\t\t\ttotal++;\n\t\t\tj=certify(&x,infile,pkey,x509,dgst,attribs,db,\n\t\t\t\tserial,startdate,days,batch,\n\t\t\t\textensions,conf,verbose);\n\t\t\tif (j < 0) goto err;\n\t\t\tif (j > 0)\n\t\t\t\t{\n\t\t\t\ttotal_done++;\n\t\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t\tif (!BN_add_word(serial,1)) goto err;\n\t\t\t\tif (!sk_push(cert_sk,(char *)x))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tfor (i=0; i<argc; i++)\n\t\t\t{\n\t\t\ttotal++;\n\t\t\tj=certify(&x,argv[i],pkey,x509,dgst,attribs,db,\n\t\t\t\tserial,startdate,days,batch,\n\t\t\t\textensions,conf,verbose);\n\t\t\tif (j < 0) goto err;\n\t\t\tif (j > 0)\n\t\t\t\t{\n\t\t\t\ttotal_done++;\n\t\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t\tif (!BN_add_word(serial,1)) goto err;\n\t\t\t\tif (!sk_push(cert_sk,(char *)x))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tif (sk_num(cert_sk) > 0)\n\t\t\t{\n\t\t\tif (!batch)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"\\n%d out of %d certificate requests certified, commit? [y/n]",total_done,total);\n\t\t\t\t(void)BIO_flush(bio_err);\n\t\t\t\tbuf[0][0]=\'\\0\';\n\t\t\t\tfgets(buf[0],10,stdin);\n\t\t\t\tif ((buf[0][0] != \'y\') && (buf[0][0] != \'Y\'))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"CERTIFICATION CANCELED\\n");\n\t\t\t\t\tret=0;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tBIO_printf(bio_err,"Write out database with %d new entries\\n",sk_num(cert_sk));\n\t\t\tstrncpy(buf[0],serialfile,BSIZE-4);\n#ifdef VMS\n\t\t\tstrcat(buf[0],"-new");\n#else\n\t\t\tstrcat(buf[0],".new");\n#endif\n\t\t\tif (!save_serial(buf[0],serial)) goto err;\n\t\t\tstrncpy(buf[1],dbfile,BSIZE-4);\n#ifdef VMS\n\t\t\tstrcat(buf[1],"-new");\n#else\n\t\t\tstrcat(buf[1],".new");\n#endif\n\t\t\tif (BIO_write_filename(out,buf[1]) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(dbfile);\n\t\t\t\tBIO_printf(bio_err,"unable to open \'%s\'\\n",dbfile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tl=TXT_DB_write(out,db);\n\t\t\tif (l <= 0) goto err;\n\t\t\t}\n\t\tif (verbose)\n\t\t\tBIO_printf(bio_err,"writing new certificates\\n");\n\t\tfor (i=0; i<sk_num(cert_sk); i++)\n\t\t\t{\n\t\t\tint k;\n\t\t\tunsigned char *n;\n\t\t\tx=(X509 *)sk_value(cert_sk,i);\n\t\t\tj=x->cert_info->serialNumber->length;\n\t\t\tp=(char *)x->cert_info->serialNumber->data;\n\t\t\tstrncpy(buf[2],outdir,BSIZE-(j*2)-6);\n#ifndef VMS\n\t\t\tstrcat(buf[2],"/");\n#endif\n\t\t\tn=(unsigned char *)&(buf[2][strlen(buf[2])]);\n\t\t\tif (j > 0)\n\t\t\t\t{\n\t\t\t\tfor (k=0; k<j; k++)\n\t\t\t\t\t{\n\t\t\t\t\tsprintf((char *)n,"%02X",(unsigned char)*(p++));\n\t\t\t\t\tn+=2;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\t*(n++)=\'0\';\n\t\t\t\t*(n++)=\'0\';\n\t\t\t\t}\n\t\t\t*(n++)=\'.\'; *(n++)=\'p\'; *(n++)=\'e\'; *(n++)=\'m\';\n\t\t\t*n=\'\\0\';\n\t\t\tif (verbose)\n\t\t\t\tBIO_printf(bio_err,"writing %s\\n",buf[2]);\n\t\t\tif (BIO_write_filename(Cout,buf[2]) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(buf[2]);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\twrite_new_certificate(Cout,x, 0);\n\t\t\twrite_new_certificate(Sout,x, output_der);\n\t\t\t}\n\t\tif (sk_num(cert_sk))\n\t\t\t{\n\t\t\tstrncpy(buf[2],serialfile,BSIZE-4);\n#ifdef VMS\n\t\t\tstrcat(buf[2],"-old");\n#else\n\t\t\tstrcat(buf[2],".old");\n#endif\n\t\t\tBIO_free(in);\n\t\t\tBIO_free(out);\n\t\t\tin=NULL;\n\t\t\tout=NULL;\n\t\t\tif (rename(serialfile,buf[2]) < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unabel to rename %s to %s\\n",\n\t\t\t\t\tserialfile,buf[2]);\n\t\t\t\tperror("reason");\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (rename(buf[0],serialfile) < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unabel to rename %s to %s\\n",\n\t\t\t\t\tbuf[0],serialfile);\n\t\t\t\tperror("reason");\n\t\t\t\trename(buf[2],serialfile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tstrncpy(buf[2],dbfile,BSIZE-4);\n#ifdef VMS\n\t\t\tstrcat(buf[2],"-old");\n#else\n\t\t\tstrcat(buf[2],".old");\n#endif\n\t\t\tif (rename(dbfile,buf[2]) < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unabel to rename %s to %s\\n",\n\t\t\t\t\tdbfile,buf[2]);\n\t\t\t\tperror("reason");\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (rename(buf[1],dbfile) < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unabel to rename %s to %s\\n",\n\t\t\t\t\tbuf[1],dbfile);\n\t\t\t\tperror("reason");\n\t\t\t\trename(buf[2],dbfile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tBIO_printf(bio_err,"Data Base Updated\\n");\n\t\t\t}\n\t\t}\n\tif (gencrl)\n\t\t{\n\t\tcrl_ext=CONF_get_string(conf,section,ENV_CRLEXT);\n\t\tif(crl_ext) {\n\t\t\tX509V3_CTX ctx;\n\t\t\tX509V3_set_ctx_test(&ctx);\n\t\t\tX509V3_set_conf_lhash(&ctx, conf);\n\t\t\tif(!X509V3_EXT_add_conf(conf, &ctx, crl_ext, NULL)) {\n\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Error Loading CRL extension section %s\\n",\n\t\t\t\t\t\t\t\t crl_ext);\n\t\t\t\tret = 1;\n\t\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\t\tif ((hex=BIO_new(BIO_s_mem())) == NULL) goto err;\n\t\tif (!crldays && !crlhours)\n\t\t\t{\n\t\t\tcrldays=CONF_get_number(conf,section,\n\t\t\t\tENV_DEFAULT_CRL_DAYS);\n\t\t\tcrlhours=CONF_get_number(conf,section,\n\t\t\t\tENV_DEFAULT_CRL_HOURS);\n\t\t\t}\n\t\tif ((crldays == 0) && (crlhours == 0))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"cannot lookup how long until the next CRL is issuer\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (verbose) BIO_printf(bio_err,"making CRL\\n");\n\t\tif ((crl=X509_CRL_new()) == NULL) goto err;\n\t\tci=crl->crl;\n\t\tX509_NAME_free(ci->issuer);\n\t\tci->issuer=X509_NAME_dup(x509->cert_info->subject);\n\t\tif (ci->issuer == NULL) goto err;\n\t\tX509_gmtime_adj(ci->lastUpdate,0);\n\t\tif (ci->nextUpdate == NULL)\n\t\t\tci->nextUpdate=ASN1_UTCTIME_new();\n\t\tX509_gmtime_adj(ci->nextUpdate,(crldays*24+crlhours)*60*60);\n\t\tfor (i=0; i<sk_num(db->data); i++)\n\t\t\t{\n\t\t\tpp=(char **)sk_value(db->data,i);\n\t\t\tif (pp[DB_type][0] == DB_TYPE_REV)\n\t\t\t\t{\n\t\t\t\tif ((r=X509_REVOKED_new()) == NULL) goto err;\n\t\t\t\tASN1_STRING_set((ASN1_STRING *)\n\t\t\t\t\tr->revocationDate,\n\t\t\t\t\t(unsigned char *)pp[DB_rev_date],\n\t\t\t\t\tstrlen(pp[DB_rev_date]));\n\t\t\t\t(void)BIO_reset(hex);\n\t\t\t\tif (!BIO_puts(hex,pp[DB_serial]))\n\t\t\t\t\tgoto err;\n\t\t\t\tif (!a2i_ASN1_INTEGER(hex,r->serialNumber,\n\t\t\t\t\tbuf[0],BSIZE)) goto err;\n\t\t\t\tsk_X509_REVOKED_push(ci->revoked,r);\n\t\t\t\t}\n\t\t\t}\n\t\tsk_X509_REVOKED_sort(ci->revoked);\n\t\tfor (i=0; i<sk_X509_REVOKED_num(ci->revoked); i++)\n\t\t\t{\n\t\t\tr=sk_X509_REVOKED_value(ci->revoked,i);\n\t\t\tr->sequence=i;\n\t\t\t}\n\t\tif (verbose) BIO_printf(bio_err,"signing CRL\\n");\n\t\tif (md != NULL)\n\t\t\t{\n\t\t\tif ((dgst=EVP_get_digestbyname(md)) == NULL)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"%s is an unsupported message digest type\\n",md);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t {\n#ifndef NO_DSA\n\t\t if (pkey->type == EVP_PKEY_DSA)\n\t\t\tdgst=EVP_dss1();\n\t\t else\n#endif\n\t\t\tdgst=EVP_md5();\n\t\t }\n\t\tif(crl_ext) {\n\t\t X509V3_CTX crlctx;\n\t\t if (ci->version == NULL)\n\t\t if ((ci->version=ASN1_INTEGER_new()) == NULL) goto err;\n\t\t ASN1_INTEGER_set(ci->version,1);\n\t\t X509V3_set_ctx(&crlctx, x509, NULL, NULL, crl, 0);\n\t\t X509V3_set_conf_lhash(&crlctx, conf);\n\t\t if(!X509V3_EXT_CRL_add_conf(conf, &crlctx,\n\t\t\t\t\t\t crl_ext, crl)) goto err;\n\t\t}\n\t\tif (!X509_CRL_sign(crl,pkey,dgst)) goto err;\n\t\tPEM_write_bio_X509_CRL(Sout,crl);\n\t\t}\n\tif (dorevoke)\n\t\t{\n\t\tin=BIO_new(BIO_s_file());\n\t\tout=BIO_new(BIO_s_file());\n\t\tif ((in == NULL) || (out == NULL))\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (infile == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"no input files\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (BIO_read_filename(in,infile) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(infile);\n\t\t\t\tBIO_printf(bio_err,"error trying to load \'%s\' certificate\\n",infile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tx509=PEM_read_bio_X509(in,NULL,NULL);\n\t\t\tif (x509 == NULL)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unable to load \'%s\' certificate\\n",infile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tj=do_revoke(x509,db);\n\t\t\tstrncpy(buf[0],dbfile,BSIZE-4);\n\t\t\tstrcat(buf[0],".new");\n\t\t\tif (BIO_write_filename(out,buf[0]) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(dbfile);\n\t\t\t\tBIO_printf(bio_err,"unable to open \'%s\'\\n",dbfile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tj=TXT_DB_write(out,db);\n\t\t\tif (j <= 0) goto err;\n\t\t\tBIO_free(in);\n\t\t\tBIO_free(out);\n\t\t\tin=NULL;\n\t\t\tout=NULL;\n\t\t\tstrncpy(buf[1],dbfile,BSIZE-4);\n\t\t\tstrcat(buf[1],".old");\n\t\t\tif (rename(dbfile,buf[1]) < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unable to rename %s to %s\\n", dbfile, buf[1]);\n\t\t\t\tperror("reason");\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (rename(buf[0],dbfile) < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"unable to rename %s to %s\\n", buf[0],dbfile);\n\t\t\t\tperror("reason");\n\t\t\t\trename(buf[1],dbfile);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tBIO_printf(bio_err,"Data Base Updated\\n");\n\t\t\t}\n\t\t}\n\tret=0;\nerr:\n\tBIO_free(hex);\n\tBIO_free(Cout);\n\tBIO_free(Sout);\n\tBIO_free(out);\n\tBIO_free(in);\n\tsk_pop_free(cert_sk,X509_free);\n\tif (ret) ERR_print_errors(bio_err);\n\tBN_free(serial);\n\tTXT_DB_free(db);\n\tEVP_PKEY_free(pkey);\n\tX509_free(x509);\n\tX509_CRL_free(crl);\n\tCONF_free(conf);\n\tX509V3_EXT_cleanup();\n\tOBJ_cleanup();\n\tEXIT(ret);\n\t}', 'LHASH *CONF_load(LHASH *h, const char *file, long *line)\n\t{\n\tLHASH *ltmp;\n\tFILE *in=NULL;\n#ifdef VMS\n\tin=fopen(file,"r");\n#else\n\tin=fopen(file,"rb");\n#endif\n\tif (in == NULL)\n\t\t{\n\t\tSYSerr(SYS_F_FOPEN,get_last_sys_error());\n\t\tERR_set_error_data(BUF_strdup(file),\n\t\t\tERR_TXT_MALLOCED|ERR_TXT_STRING);\n\t\tCONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);\n\t\treturn NULL;\n\t\t}\n\tltmp = CONF_load_fp(h, in, line);\n\tfclose(in);\n\treturn ltmp;\n}', 'LHASH *CONF_load_fp(LHASH *h, FILE *in, long *line)\n{\n\tBIO *btmp;\n\tLHASH *ltmp;\n\tif(!(btmp = BIO_new_fp(in, BIO_NOCLOSE))) {\n\t\tCONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);\n\t\treturn NULL;\n\t}\n\tltmp = CONF_load_bio(h, btmp, line);\n\tBIO_free(btmp);\n\treturn ltmp;\n}', 'LHASH *CONF_load_bio(LHASH *h, BIO *in, long *line)\n\t{\n\tLHASH *ret=NULL;\n#define BUFSIZE\t512\n\tchar btmp[16];\n\tint bufnum=0,i,ii;\n\tBUF_MEM *buff=NULL;\n\tchar *s,*p,*end;\n\tint again,n;\n\tlong eline=0;\n\tCONF_VALUE *v=NULL,*vv,*tv;\n\tCONF_VALUE *sv=NULL;\n\tchar *section=NULL,*buf;\n\tSTACK_OF(CONF_VALUE) *section_sk=NULL,*ts;\n\tchar *start,*psection,*pname;\n\tif ((buff=BUF_MEM_new()) == NULL)\n\t\t{\n\t\tCONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);\n\t\tgoto err;\n\t\t}\n\tsection=(char *)Malloc(10);\n\tif (section == NULL)\n\t\t{\n\t\tCONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\tstrcpy(section,"default");\n\tif (h == NULL)\n\t\t{\n\t\tif ((ret=lh_new(hash,cmp_conf)) == NULL)\n\t\t\t{\n\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\telse\n\t\tret=h;\n\tsv=new_section(ret,section);\n\tif (sv == NULL)\n\t\t{\n\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\tCONF_R_UNABLE_TO_CREATE_NEW_SECTION);\n\t\tgoto err;\n\t\t}\n\tsection_sk=(STACK_OF(CONF_VALUE) *)sv->value;\n\tbufnum=0;\n\tfor (;;)\n\t\t{\n\t\tagain=0;\n\t\tif (!BUF_MEM_grow(buff,bufnum+BUFSIZE))\n\t\t\t{\n\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_BUF_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp= &(buff->data[bufnum]);\n\t\t*p=\'\\0\';\n\t\tBIO_gets(in, p, BUFSIZE-1);\n\t\tp[BUFSIZE-1]=\'\\0\';\n\t\tii=i=strlen(p);\n\t\tif (i == 0) break;\n\t\twhile (i > 0)\n\t\t\t{\n\t\t\tif ((p[i-1] != \'\\r\') && (p[i-1] != \'\\n\'))\n\t\t\t\tbreak;\n\t\t\telse\n\t\t\t\ti--;\n\t\t\t}\n\t\tif (i == ii)\n\t\t\tagain=1;\n\t\telse\n\t\t\t{\n\t\t\tp[i]=\'\\0\';\n\t\t\teline++;\n\t\t\t}\n\t\tbufnum+=i;\n\t\tv=NULL;\n\t\tif (bufnum >= 1)\n\t\t\t{\n\t\t\tp= &(buff->data[bufnum-1]);\n\t\t\tif (\tIS_ESC(p[0]) &&\n\t\t\t\t((bufnum <= 1) || !IS_ESC(p[-1])))\n\t\t\t\t{\n\t\t\t\tbufnum--;\n\t\t\t\tagain=1;\n\t\t\t\t}\n\t\t\t}\n\t\tif (again) continue;\n\t\tbufnum=0;\n\t\tbuf=buff->data;\n\t\tclear_comments(buf);\n\t\tn=strlen(buf);\n\t\ts=eat_ws(buf);\n\t\tif (IS_EOF(*s)) continue;\n\t\tif (*s == \'[\')\n\t\t\t{\n\t\t\tchar *ss;\n\t\t\ts++;\n\t\t\tstart=eat_ws(s);\n\t\t\tss=start;\nagain:\n\t\t\tend=eat_alpha_numeric(ss);\n\t\t\tp=eat_ws(end);\n\t\t\tif (*p != \']\')\n\t\t\t\t{\n\t\t\t\tif (*p != \'\\0\')\n\t\t\t\t\t{\n\t\t\t\t\tss=p;\n\t\t\t\t\tgoto again;\n\t\t\t\t\t}\n\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\tCONF_R_MISSING_CLOSE_SQUARE_BRACKET);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t*end=\'\\0\';\n\t\t\tif (!str_copy(ret,NULL,§ion,start)) goto err;\n\t\t\tif ((sv=get_section(ret,section)) == NULL)\n\t\t\t\tsv=new_section(ret,section);\n\t\t\tif (sv == NULL)\n\t\t\t\t{\n\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\tCONF_R_UNABLE_TO_CREATE_NEW_SECTION);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tsection_sk=(STACK_OF(CONF_VALUE) *)sv->value;\n\t\t\tcontinue;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpname=s;\n\t\t\tpsection=NULL;\n\t\t\tend=eat_alpha_numeric(s);\n\t\t\tif ((end[0] == \':\') && (end[1] == \':\'))\n\t\t\t\t{\n\t\t\t\t*end=\'\\0\';\n\t\t\t\tend+=2;\n\t\t\t\tpsection=pname;\n\t\t\t\tpname=end;\n\t\t\t\tend=eat_alpha_numeric(end);\n\t\t\t\t}\n\t\t\tp=eat_ws(end);\n\t\t\tif (*p != \'=\')\n\t\t\t\t{\n\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\t\tCONF_R_MISSING_EQUAL_SIGN);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t*end=\'\\0\';\n\t\t\tp++;\n\t\t\tstart=eat_ws(p);\n\t\t\twhile (!IS_EOF(*p))\n\t\t\t\tp++;\n\t\t\tp--;\n\t\t\twhile ((p != start) && (IS_WS(*p)))\n\t\t\t\tp--;\n\t\t\tp++;\n\t\t\t*p=\'\\0\';\n\t\t\tif (!(v=(CONF_VALUE *)Malloc(sizeof(CONF_VALUE))))\n\t\t\t\t{\n\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (psection == NULL) psection=section;\n\t\t\tv->name=(char *)Malloc(strlen(pname)+1);\n\t\t\tv->value=NULL;\n\t\t\tif (v->name == NULL)\n\t\t\t\t{\n\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tstrcpy(v->name,pname);\n\t\t\tif (!str_copy(ret,psection,&(v->value),start)) goto err;\n\t\t\tif (strcmp(psection,section) != 0)\n\t\t\t\t{\n\t\t\t\tif ((tv=get_section(ret,psection))\n\t\t\t\t\t== NULL)\n\t\t\t\t\ttv=new_section(ret,psection);\n\t\t\t\tif (tv == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\t CONF_R_UNABLE_TO_CREATE_NEW_SECTION);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tts=(STACK_OF(CONF_VALUE) *)tv->value;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ttv=sv;\n\t\t\t\tts=section_sk;\n\t\t\t\t}\n\t\t\tv->section=tv->section;\n\t\t\tif (!sk_CONF_VALUE_push(ts,v))\n\t\t\t\t{\n\t\t\t\tCONFerr(CONF_F_CONF_LOAD_BIO,\n\t\t\t\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tvv=(CONF_VALUE *)lh_insert(ret,(char *)v);\n\t\t\tif (vv != NULL)\n\t\t\t\t{\n\t\t\t\tsk_CONF_VALUE_delete_ptr(ts,vv);\n\t\t\t\tFree(vv->name);\n\t\t\t\tFree(vv->value);\n\t\t\t\tFree(vv);\n\t\t\t\t}\n\t\t\tv=NULL;\n\t\t\t}\n\t\t}\n\tif (buff != NULL) BUF_MEM_free(buff);\n\tif (section != NULL) Free(section);\n\treturn(ret);\nerr:\n\tif (buff != NULL) BUF_MEM_free(buff);\n\tif (section != NULL) Free(section);\n\tif (line != NULL) *line=eline;\n\tsprintf(btmp,"%ld",eline);\n\tERR_add_error_data(2,"line ",btmp);\n\tif ((h != ret) && (ret != NULL)) CONF_free(ret);\n\tif (v != NULL)\n\t\t{\n\t\tif (v->name != NULL) Free(v->name);\n\t\tif (v->value != NULL) Free(v->value);\n\t\tif (v != NULL) Free(v);\n\t\t}\n\treturn(NULL);\n\t}', 'void CONF_free(LHASH *conf)\n\t{\n\tif (conf == NULL) return;\n\tconf->down_load=0;\n\tlh_doall_arg(conf,(void (*)())value_free_hash,(char *)conf);\n\tlh_doall_arg(conf,(void (*)())value_free_stack,(char *)conf);\n\tlh_free(conf);\n\t}', 'void lh_doall_arg(LHASH *lh, void (*func)(), char *arg)\n\t{\n\tint i;\n\tLHASH_NODE *a,*n;\n\tfor (i=lh->num_nodes-1; i>=0; i--)\n\t\t{\n\t\ta=lh->b[i];\n\t\twhile (a != NULL)\n\t\t\t{\n\t\t\tn=a->next;\n\t\t\tfunc(a->data,arg);\n\t\t\ta=n;\n\t\t\t}\n\t\t}\n\t}'] |
16,328 | 0 | https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/crypto/bn/bn_lib.c/#L342 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = A = OPENSSL_zalloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,\n const EVP_MD *evpmd, const unsigned char *seed_in,\n size_t seed_len, unsigned char *seed_out,\n int *counter_ret, unsigned long *h_ret, BN_GENCB *cb)\n{\n int ok = 0;\n unsigned char seed[SHA256_DIGEST_LENGTH];\n unsigned char md[SHA256_DIGEST_LENGTH];\n unsigned char buf[SHA256_DIGEST_LENGTH], buf2[SHA256_DIGEST_LENGTH];\n BIGNUM *r0, *W, *X, *c, *test;\n BIGNUM *g = NULL, *q = NULL, *p = NULL;\n BN_MONT_CTX *mont = NULL;\n int i, k, n = 0, m = 0, qsize = qbits >> 3;\n int counter = 0;\n int r = 0;\n BN_CTX *ctx = NULL;\n unsigned int h = 2;\n if (qsize != SHA_DIGEST_LENGTH && qsize != SHA224_DIGEST_LENGTH &&\n qsize != SHA256_DIGEST_LENGTH)\n return 0;\n if (evpmd == NULL)\n evpmd = EVP_sha1();\n if (bits < 512)\n bits = 512;\n bits = (bits + 63) / 64 * 64;\n if (seed_in != NULL) {\n if (seed_len < (size_t)qsize)\n return 0;\n if (seed_len > (size_t)qsize) {\n seed_len = qsize;\n }\n memcpy(seed, seed_in, seed_len);\n }\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n r0 = BN_CTX_get(ctx);\n g = BN_CTX_get(ctx);\n W = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n c = BN_CTX_get(ctx);\n p = BN_CTX_get(ctx);\n test = BN_CTX_get(ctx);\n if (!BN_lshift(test, BN_value_one(), bits - 1))\n goto err;\n for (;;) {\n for (;;) {\n int use_random_seed = (seed_in == NULL);\n if (!BN_GENCB_call(cb, 0, m++))\n goto err;\n if (use_random_seed) {\n if (RAND_bytes(seed, qsize) <= 0)\n goto err;\n } else {\n seed_in = NULL;\n }\n memcpy(buf, seed, qsize);\n memcpy(buf2, seed, qsize);\n for (i = qsize - 1; i >= 0; i--) {\n buf[i]++;\n if (buf[i] != 0)\n break;\n }\n if (!EVP_Digest(seed, qsize, md, NULL, evpmd, NULL))\n goto err;\n if (!EVP_Digest(buf, qsize, buf2, NULL, evpmd, NULL))\n goto err;\n for (i = 0; i < qsize; i++)\n md[i] ^= buf2[i];\n md[0] |= 0x80;\n md[qsize - 1] |= 0x01;\n if (!BN_bin2bn(md, qsize, q))\n goto err;\n r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx,\n use_random_seed, cb);\n if (r > 0)\n break;\n if (r != 0)\n goto err;\n }\n if (!BN_GENCB_call(cb, 2, 0))\n goto err;\n if (!BN_GENCB_call(cb, 3, 0))\n goto err;\n counter = 0;\n n = (bits - 1) / 160;\n for (;;) {\n if ((counter != 0) && !BN_GENCB_call(cb, 0, counter))\n goto err;\n BN_zero(W);\n for (k = 0; k <= n; k++) {\n for (i = qsize - 1; i >= 0; i--) {\n buf[i]++;\n if (buf[i] != 0)\n break;\n }\n if (!EVP_Digest(buf, qsize, md, NULL, evpmd, NULL))\n goto err;\n if (!BN_bin2bn(md, qsize, r0))\n goto err;\n if (!BN_lshift(r0, r0, (qsize << 3) * k))\n goto err;\n if (!BN_add(W, W, r0))\n goto err;\n }\n if (!BN_mask_bits(W, bits - 1))\n goto err;\n if (!BN_copy(X, W))\n goto err;\n if (!BN_add(X, X, test))\n goto err;\n if (!BN_lshift1(r0, q))\n goto err;\n if (!BN_mod(c, X, r0, ctx))\n goto err;\n if (!BN_sub(r0, c, BN_value_one()))\n goto err;\n if (!BN_sub(p, X, r0))\n goto err;\n if (BN_cmp(p, test) >= 0) {\n r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, ctx, 1, cb);\n if (r > 0)\n goto end;\n if (r != 0)\n goto err;\n }\n counter++;\n if (counter >= 4096)\n break;\n }\n }\n end:\n if (!BN_GENCB_call(cb, 2, 1))\n goto err;\n if (!BN_sub(test, p, BN_value_one()))\n goto err;\n if (!BN_div(r0, NULL, test, q, ctx))\n goto err;\n if (!BN_set_word(test, h))\n goto err;\n if (!BN_MONT_CTX_set(mont, p, ctx))\n goto err;\n for (;;) {\n if (!BN_mod_exp_mont(g, test, r0, p, ctx, mont))\n goto err;\n if (!BN_is_one(g))\n break;\n if (!BN_add(test, test, BN_value_one()))\n goto err;\n h++;\n }\n if (!BN_GENCB_call(cb, 3, 1))\n goto err;\n ok = 1;\n err:\n if (ok) {\n BN_free(ret->p);\n BN_free(ret->q);\n BN_free(ret->g);\n ret->p = BN_dup(p);\n ret->q = BN_dup(q);\n ret->g = BN_dup(g);\n if (ret->p == NULL || ret->q == NULL || ret->g == NULL) {\n ok = 0;\n goto err;\n }\n if (counter_ret != NULL)\n *counter_ret = counter;\n if (h_ret != NULL)\n *h_ret = h;\n if (seed_out)\n memcpy(seed_out, seed, qsize);\n }\n if (ctx)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n BN_MONT_CTX_free(mont);\n return ok;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n r->neg = a->neg;\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = A = OPENSSL_zalloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
16,329 | 0 | https://github.com/openssl/openssl/blob/305b68f1a2b6d4d0aa07a6ab47ac372f067a40bb/crypto/bn/bn_lib.c/#L231 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int ec_GFp_simple_point_get_affine_coordinates(const EC_GROUP *group,\n const EC_POINT *point,\n BIGNUM *x, BIGNUM *y,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *Z, *Z_1, *Z_2, *Z_3;\n const BIGNUM *Z_;\n int ret = 0;\n if (EC_POINT_is_at_infinity(group, point)) {\n ECerr(EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES,\n EC_R_POINT_AT_INFINITY);\n return 0;\n }\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n BN_CTX_start(ctx);\n Z = BN_CTX_get(ctx);\n Z_1 = BN_CTX_get(ctx);\n Z_2 = BN_CTX_get(ctx);\n Z_3 = BN_CTX_get(ctx);\n if (Z_3 == NULL)\n goto err;\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, Z, point->Z, ctx))\n goto err;\n Z_ = Z;\n } else {\n Z_ = point->Z;\n }\n if (BN_is_one(Z_)) {\n if (group->meth->field_decode) {\n if (x != NULL) {\n if (!group->meth->field_decode(group, x, point->X, ctx))\n goto err;\n }\n if (y != NULL) {\n if (!group->meth->field_decode(group, y, point->Y, ctx))\n goto err;\n }\n } else {\n if (x != NULL) {\n if (!BN_copy(x, point->X))\n goto err;\n }\n if (y != NULL) {\n if (!BN_copy(y, point->Y))\n goto err;\n }\n }\n } else {\n if (!BN_mod_inverse(Z_1, Z_, group->field, ctx)) {\n ECerr(EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (group->meth->field_encode == 0) {\n if (!group->meth->field_sqr(group, Z_2, Z_1, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(Z_2, Z_1, group->field, ctx))\n goto err;\n }\n if (x != NULL) {\n if (!group->meth->field_mul(group, x, point->X, Z_2, ctx))\n goto err;\n }\n if (y != NULL) {\n if (group->meth->field_encode == 0) {\n if (!group->meth->field_mul(group, Z_3, Z_2, Z_1, ctx))\n goto err;\n } else {\n if (!BN_mod_mul(Z_3, Z_2, Z_1, group->field, ctx))\n goto err;\n }\n if (!group->meth->field_mul(group, y, point->Y, Z_3, ctx))\n goto err;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->neg = b->neg;\n a->top = b->top;\n a->flags |= b->flags & BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,330 | 0 | https://github.com/libav/libav/blob/0e5f33f2426dae28725b14468b61cbad052da240/libavcodec/amrnbdec.c/#L289 | static void lsf2lsp_for_mode12k2(AMRContext *p, double lsp[LP_FILTER_ORDER],
const float lsf_no_r[LP_FILTER_ORDER],
const int16_t *lsf_quantizer[5],
const int quantizer_offset,
const int sign, const int update)
{
int16_t lsf_r[LP_FILTER_ORDER];
float lsf_q[LP_FILTER_ORDER];
int i;
for (i = 0; i < LP_FILTER_ORDER >> 1; i++)
memcpy(&lsf_r[i << 1], &lsf_quantizer[i][quantizer_offset],
2 * sizeof(*lsf_r));
if (sign) {
lsf_r[4] *= -1;
lsf_r[5] *= -1;
}
if (update)
memcpy(p->prev_lsf_r, lsf_r, LP_FILTER_ORDER * sizeof(float));
for (i = 0; i < LP_FILTER_ORDER; i++)
lsf_q[i] = lsf_r[i] * (LSF_R_FAC / 8000.0) + lsf_no_r[i] * (1.0 / 8000.0);
ff_set_min_dist_lsf(lsf_q, MIN_LSF_SPACING, LP_FILTER_ORDER);
if (update)
interpolate_lsf(p->lsf_q, lsf_q);
lsf2lsp(lsf_q, lsp);
} | ['static void lsf2lsp_for_mode12k2(AMRContext *p, double lsp[LP_FILTER_ORDER],\n const float lsf_no_r[LP_FILTER_ORDER],\n const int16_t *lsf_quantizer[5],\n const int quantizer_offset,\n const int sign, const int update)\n{\n int16_t lsf_r[LP_FILTER_ORDER];\n float lsf_q[LP_FILTER_ORDER];\n int i;\n for (i = 0; i < LP_FILTER_ORDER >> 1; i++)\n memcpy(&lsf_r[i << 1], &lsf_quantizer[i][quantizer_offset],\n 2 * sizeof(*lsf_r));\n if (sign) {\n lsf_r[4] *= -1;\n lsf_r[5] *= -1;\n }\n if (update)\n memcpy(p->prev_lsf_r, lsf_r, LP_FILTER_ORDER * sizeof(float));\n for (i = 0; i < LP_FILTER_ORDER; i++)\n lsf_q[i] = lsf_r[i] * (LSF_R_FAC / 8000.0) + lsf_no_r[i] * (1.0 / 8000.0);\n ff_set_min_dist_lsf(lsf_q, MIN_LSF_SPACING, LP_FILTER_ORDER);\n if (update)\n interpolate_lsf(p->lsf_q, lsf_q);\n lsf2lsp(lsf_q, lsp);\n}'] |
16,331 | 0 | https://github.com/openssl/openssl/blob/f9f6053442a2918d0445866252256b2cb54a1187/crypto/x509/x509_vfy.c/#L889 | static int check_cert(X509_STORE_CTX *ctx)
{
X509_CRL *crl = NULL, *dcrl = NULL;
X509 *x = NULL;
int ok = 0, cnum = 0;
unsigned int last_reasons = 0;
cnum = ctx->error_depth;
x = sk_X509_value(ctx->chain, cnum);
ctx->current_cert = x;
ctx->current_issuer = NULL;
ctx->current_crl_score = 0;
ctx->current_reasons = 0;
while (ctx->current_reasons != CRLDP_ALL_REASONS) {
last_reasons = ctx->current_reasons;
if (ctx->get_crl)
ok = ctx->get_crl(ctx, &crl, x);
else
ok = get_crl_delta(ctx, &crl, &dcrl, x);
if (!ok) {
ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
ok = ctx->verify_cb(0, ctx);
goto err;
}
ctx->current_crl = crl;
ok = ctx->check_crl(ctx, crl);
if (!ok)
goto err;
if (dcrl) {
ok = ctx->check_crl(ctx, dcrl);
if (!ok)
goto err;
ok = ctx->cert_crl(ctx, dcrl, x);
if (!ok)
goto err;
} else
ok = 1;
if (ok != 2) {
ok = ctx->cert_crl(ctx, crl, x);
if (!ok)
goto err;
}
X509_CRL_free(crl);
X509_CRL_free(dcrl);
crl = NULL;
dcrl = NULL;
if (last_reasons == ctx->current_reasons) {
ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
ok = ctx->verify_cb(0, ctx);
goto err;
}
}
err:
X509_CRL_free(crl);
X509_CRL_free(dcrl);
ctx->current_crl = NULL;
return ok;
} | ['static int check_cert(X509_STORE_CTX *ctx)\n{\n X509_CRL *crl = NULL, *dcrl = NULL;\n X509 *x = NULL;\n int ok = 0, cnum = 0;\n unsigned int last_reasons = 0;\n cnum = ctx->error_depth;\n x = sk_X509_value(ctx->chain, cnum);\n ctx->current_cert = x;\n ctx->current_issuer = NULL;\n ctx->current_crl_score = 0;\n ctx->current_reasons = 0;\n while (ctx->current_reasons != CRLDP_ALL_REASONS) {\n last_reasons = ctx->current_reasons;\n if (ctx->get_crl)\n ok = ctx->get_crl(ctx, &crl, x);\n else\n ok = get_crl_delta(ctx, &crl, &dcrl, x);\n if (!ok) {\n ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;\n ok = ctx->verify_cb(0, ctx);\n goto err;\n }\n ctx->current_crl = crl;\n ok = ctx->check_crl(ctx, crl);\n if (!ok)\n goto err;\n if (dcrl) {\n ok = ctx->check_crl(ctx, dcrl);\n if (!ok)\n goto err;\n ok = ctx->cert_crl(ctx, dcrl, x);\n if (!ok)\n goto err;\n } else\n ok = 1;\n if (ok != 2) {\n ok = ctx->cert_crl(ctx, crl, x);\n if (!ok)\n goto err;\n }\n X509_CRL_free(crl);\n X509_CRL_free(dcrl);\n crl = NULL;\n dcrl = NULL;\n if (last_reasons == ctx->current_reasons) {\n ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;\n ok = ctx->verify_cb(0, ctx);\n goto err;\n }\n }\n err:\n X509_CRL_free(crl);\n X509_CRL_free(dcrl);\n ctx->current_crl = NULL;\n return ok;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n if (!st || (i < 0) || (i >= st->num))\n return NULL;\n return st->data[i];\n}', 'static int get_crl_delta(X509_STORE_CTX *ctx,\n X509_CRL **pcrl, X509_CRL **pdcrl, X509 *x)\n{\n int ok;\n X509 *issuer = NULL;\n int crl_score = 0;\n unsigned int reasons;\n X509_CRL *crl = NULL, *dcrl = NULL;\n STACK_OF(X509_CRL) *skcrl;\n X509_NAME *nm = X509_get_issuer_name(x);\n reasons = ctx->current_reasons;\n ok = get_crl_sk(ctx, &crl, &dcrl,\n &issuer, &crl_score, &reasons, ctx->crls);\n if (ok)\n goto done;\n skcrl = ctx->lookup_crls(ctx, nm);\n if (!skcrl && crl)\n goto done;\n get_crl_sk(ctx, &crl, &dcrl, &issuer, &crl_score, &reasons, skcrl);\n sk_X509_CRL_pop_free(skcrl, X509_CRL_free);\n done:\n if (crl) {\n ctx->current_issuer = issuer;\n ctx->current_crl_score = crl_score;\n ctx->current_reasons = reasons;\n *pcrl = crl;\n *pdcrl = dcrl;\n return 1;\n }\n return 0;\n}', 'X509_NAME *X509_get_issuer_name(X509 *a)\n{\n return (a->cert_info->issuer);\n}'] |
16,332 | 0 | https://github.com/openssl/openssl/blob/305b68f1a2b6d4d0aa07a6ab47ac372f067a40bb/crypto/bn/bn_sqr.c/#L108 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | ['static int run_srp(const char *username, const char *client_pass,\n const char *server_pass)\n{\n int ret = 0;\n BIGNUM *s = NULL;\n BIGNUM *v = NULL;\n BIGNUM *a = NULL;\n BIGNUM *b = NULL;\n BIGNUM *u = NULL;\n BIGNUM *x = NULL;\n BIGNUM *Apub = NULL;\n BIGNUM *Bpub = NULL;\n BIGNUM *Kclient = NULL;\n BIGNUM *Kserver = NULL;\n unsigned char rand_tmp[RANDOM_SIZE];\n const SRP_gN *GN;\n if (!TEST_ptr(GN = SRP_get_default_gN("1024")))\n return 0;\n if (!TEST_true(SRP_create_verifier_BN(username, server_pass,\n &s, &v, GN->N, GN->g)))\n goto end;\n test_output_bignum("N", GN->N);\n test_output_bignum("g", GN->g);\n test_output_bignum("Salt", s);\n test_output_bignum("Verifier", v);\n RAND_bytes(rand_tmp, sizeof(rand_tmp));\n b = BN_bin2bn(rand_tmp, sizeof(rand_tmp), NULL);\n if (!TEST_BN_ne_zero(b))\n goto end;\n test_output_bignum("b", b);\n Bpub = SRP_Calc_B(b, GN->N, GN->g, v);\n test_output_bignum("B", Bpub);\n if (!TEST_true(SRP_Verify_B_mod_N(Bpub, GN->N)))\n goto end;\n RAND_bytes(rand_tmp, sizeof(rand_tmp));\n a = BN_bin2bn(rand_tmp, sizeof(rand_tmp), NULL);\n if (!TEST_BN_ne_zero(a))\n goto end;\n test_output_bignum("a", a);\n Apub = SRP_Calc_A(a, GN->N, GN->g);\n test_output_bignum("A", Apub);\n if (!TEST_true(SRP_Verify_A_mod_N(Apub, GN->N)))\n goto end;\n u = SRP_Calc_u(Apub, Bpub, GN->N);\n x = SRP_Calc_x(s, username, client_pass);\n Kclient = SRP_Calc_client_key(GN->N, Bpub, GN->g, x, a, u);\n test_output_bignum("Client\'s key", Kclient);\n Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N);\n test_output_bignum("Server\'s key", Kserver);\n if (!TEST_BN_eq(Kclient, Kserver))\n goto end;\n ret = 1;\nend:\n BN_clear_free(Kclient);\n BN_clear_free(Kserver);\n BN_clear_free(x);\n BN_free(u);\n BN_free(Apub);\n BN_clear_free(a);\n BN_free(Bpub);\n BN_clear_free(b);\n BN_free(s);\n BN_clear_free(v);\n return ret;\n}', 'int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt,\n BIGNUM **verifier, const BIGNUM *N,\n const BIGNUM *g)\n{\n int result = 0;\n BIGNUM *x = NULL;\n BN_CTX *bn_ctx = BN_CTX_new();\n unsigned char tmp2[MAX_LEN];\n BIGNUM *salttmp = NULL;\n if ((user == NULL) ||\n (pass == NULL) ||\n (salt == NULL) ||\n (verifier == NULL) || (N == NULL) || (g == NULL) || (bn_ctx == NULL))\n goto err;\n if (*salt == NULL) {\n if (RAND_bytes(tmp2, SRP_RANDOM_SALT_LEN) <= 0)\n goto err;\n salttmp = BN_bin2bn(tmp2, SRP_RANDOM_SALT_LEN, NULL);\n } else {\n salttmp = *salt;\n }\n x = SRP_Calc_x(salttmp, user, pass);\n *verifier = BN_new();\n if (*verifier == NULL)\n goto err;\n if (!BN_mod_exp(*verifier, g, x, N, bn_ctx)) {\n BN_clear_free(*verifier);\n goto err;\n }\n result = 1;\n *salt = salttmp;\n err:\n if (salt != NULL && *salt != salttmp)\n BN_clear_free(salttmp);\n BN_clear_free(x);\n BN_CTX_free(bn_ctx);\n return result;\n}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n if (BN_is_odd(m)) {\n# ifdef MONT_EXP_WORD\n if (a->top == 1 && !a->neg\n && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)\n && (BN_get_flags(a, BN_FLG_CONSTTIME) == 0)\n && (BN_get_flags(m, BN_FLG_CONSTTIME) == 0)) {\n BN_ULONG A = a->d[0];\n ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);\n } else\n# endif\n ret = BN_mod_exp_mont(r, a, p, m, ctx, NULL);\n } else\n#endif\n#ifdef RECP_MUL_MOD\n {\n ret = BN_mod_exp_recp(r, a, p, m, ctx);\n }\n#else\n {\n ret = BN_mod_exp_simple(r, a, p, m, ctx);\n }\n#endif\n bn_check_top(r);\n return ret;\n}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (BN_is_zero(aa)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_montgomery(d, val[0], val[0], mont, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val[i], val[i - 1], d, mont, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n#if 1\n j = m->top;\n if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n if (bn_wexpand(r, j) == NULL)\n goto err;\n r->d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < j; i++)\n r->d[i] = (~m->d[i]) & BN_MASK2;\n r->top = j;\n bn_correct_top(r);\n } else\n#endif\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!BN_mod_mul_montgomery(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue, wmask, window0;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = p->top * BN_BITS2;\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if (!a->neg) {\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!BN_to_montgomery(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(&am, a, m, ctx))\n goto err;\n if (!BN_to_montgomery(&am, &am, mont, ctx))\n goto err;\n } else if (!BN_to_montgomery(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits > 0) {\n if (bits < stride)\n stride = bits;\n bits -= stride;\n wvalue = bn_get_bits(p, bits);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7) {\n while (bits > 0) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n } else {\n while (bits > 0) {\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n window0 = (bits - 1) % window + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n wmask = (1 << window) - 1;\n while (bits > 0) {\n for (i = 0; i < window; i++)\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n bits -= window;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);\n}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n int num = mont->N.top;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return 1;\n }\n }\n#endif\n if ((a->top + b->top) > 2 * num)\n return 0;\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n{\n int i, j, max;\n const BN_ULONG *ap;\n BN_ULONG *rp;\n max = n * 2;\n ap = a;\n rp = r;\n rp[0] = rp[max - 1] = 0;\n rp++;\n j = n;\n if (--j > 0) {\n ap++;\n rp[j] = bn_mul_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n for (i = n - 2; i > 0; i--) {\n j--;\n ap++;\n rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n bn_add_words(r, r, r, max);\n bn_sqr_words(tmp, a, n);\n bn_add_words(r, r, tmp, max);\n}'] |
16,333 | 0 | https://github.com/openssl/openssl/blob/3a87a9b9db07f8d3c6d9aa7f20e01f053007a703/engines/e_ncipher.c/#L799 | static EVP_PKEY *hwcrhk_load_privkey(ENGINE *eng, const char *key_id,
UI_METHOD *ui_method, void *callback_data)
{
#ifndef OPENSSL_NO_RSA
RSA *rtmp = NULL;
#endif
EVP_PKEY *res = NULL;
#ifndef OPENSSL_NO_RSA
HWCryptoHook_MPI e, n;
HWCryptoHook_RSAKeyHandle *hptr;
#endif
#if !defined(OPENSSL_NO_RSA)
char tempbuf[1024];
HWCryptoHook_ErrMsgBuf rmsg;
#endif
HWCryptoHook_PassphraseContext ppctx;
#if !defined(OPENSSL_NO_RSA)
rmsg.buf = tempbuf;
rmsg.size = sizeof(tempbuf);
#endif
if(!hwcrhk_context)
{
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
HWCRHK_R_NOT_INITIALISED);
goto err;
}
#ifndef OPENSSL_NO_RSA
hptr = OPENSSL_malloc(sizeof(HWCryptoHook_RSAKeyHandle));
if (!hptr)
{
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
ERR_R_MALLOC_FAILURE);
goto err;
}
ppctx.ui_method = ui_method;
ppctx.callback_data = callback_data;
if (p_hwcrhk_RSALoadKey(hwcrhk_context, key_id, hptr,
&rmsg, &ppctx))
{
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
HWCRHK_R_CHIL_ERROR);
ERR_add_error_data(1,rmsg.buf);
goto err;
}
if (!*hptr)
{
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
HWCRHK_R_NO_KEY);
goto err;
}
#endif
#ifndef OPENSSL_NO_RSA
rtmp = RSA_new_method(eng);
RSA_set_ex_data(rtmp, hndidx_rsa, (char *)hptr);
rtmp->e = BN_new();
rtmp->n = BN_new();
rtmp->flags |= RSA_FLAG_EXT_PKEY;
MPI2BN(rtmp->e, e);
MPI2BN(rtmp->n, n);
if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg)
!= HWCRYPTOHOOK_ERROR_MPISIZE)
{
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,HWCRHK_R_CHIL_ERROR);
ERR_add_error_data(1,rmsg.buf);
goto err;
}
bn_expand2(rtmp->e, e.size/sizeof(BN_ULONG));
bn_expand2(rtmp->n, n.size/sizeof(BN_ULONG));
MPI2BN(rtmp->e, e);
MPI2BN(rtmp->n, n);
if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg))
{
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,
HWCRHK_R_CHIL_ERROR);
ERR_add_error_data(1,rmsg.buf);
goto err;
}
rtmp->e->top = e.size / sizeof(BN_ULONG);
bn_fix_top(rtmp->e);
rtmp->n->top = n.size / sizeof(BN_ULONG);
bn_fix_top(rtmp->n);
res = EVP_PKEY_new();
EVP_PKEY_assign_RSA(res, rtmp);
#endif
if (!res)
HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,
HWCRHK_R_PRIVATE_KEY_ALGORITHMS_DISABLED);
return res;
err:
if (res)
EVP_PKEY_free(res);
#ifndef OPENSSL_NO_RSA
if (rtmp)
RSA_free(rtmp);
#endif
return NULL;
} | ['static EVP_PKEY *hwcrhk_load_privkey(ENGINE *eng, const char *key_id,\n\tUI_METHOD *ui_method, void *callback_data)\n\t{\n#ifndef OPENSSL_NO_RSA\n\tRSA *rtmp = NULL;\n#endif\n\tEVP_PKEY *res = NULL;\n#ifndef OPENSSL_NO_RSA\n\tHWCryptoHook_MPI e, n;\n\tHWCryptoHook_RSAKeyHandle *hptr;\n#endif\n#if !defined(OPENSSL_NO_RSA)\n\tchar tempbuf[1024];\n\tHWCryptoHook_ErrMsgBuf rmsg;\n#endif\n\tHWCryptoHook_PassphraseContext ppctx;\n#if !defined(OPENSSL_NO_RSA)\n\trmsg.buf = tempbuf;\n\trmsg.size = sizeof(tempbuf);\n#endif\n\tif(!hwcrhk_context)\n\t\t{\n\t\tHWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,\n\t\t\tHWCRHK_R_NOT_INITIALISED);\n\t\tgoto err;\n\t\t}\n#ifndef OPENSSL_NO_RSA\n\thptr = OPENSSL_malloc(sizeof(HWCryptoHook_RSAKeyHandle));\n\tif (!hptr)\n\t\t{\n\t\tHWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,\n\t\t\tERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n ppctx.ui_method = ui_method;\n\tppctx.callback_data = callback_data;\n\tif (p_hwcrhk_RSALoadKey(hwcrhk_context, key_id, hptr,\n\t\t&rmsg, &ppctx))\n\t\t{\n\t\tHWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,\n\t\t\tHWCRHK_R_CHIL_ERROR);\n\t\tERR_add_error_data(1,rmsg.buf);\n\t\tgoto err;\n\t\t}\n\tif (!*hptr)\n\t\t{\n\t\tHWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,\n\t\t\tHWCRHK_R_NO_KEY);\n\t\tgoto err;\n\t\t}\n#endif\n#ifndef OPENSSL_NO_RSA\n\trtmp = RSA_new_method(eng);\n\tRSA_set_ex_data(rtmp, hndidx_rsa, (char *)hptr);\n\trtmp->e = BN_new();\n\trtmp->n = BN_new();\n\trtmp->flags |= RSA_FLAG_EXT_PKEY;\n\tMPI2BN(rtmp->e, e);\n\tMPI2BN(rtmp->n, n);\n\tif (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg)\n\t\t!= HWCRYPTOHOOK_ERROR_MPISIZE)\n\t\t{\n\t\tHWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,HWCRHK_R_CHIL_ERROR);\n\t\tERR_add_error_data(1,rmsg.buf);\n\t\tgoto err;\n\t\t}\n\tbn_expand2(rtmp->e, e.size/sizeof(BN_ULONG));\n\tbn_expand2(rtmp->n, n.size/sizeof(BN_ULONG));\n\tMPI2BN(rtmp->e, e);\n\tMPI2BN(rtmp->n, n);\n\tif (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg))\n\t\t{\n\t\tHWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,\n\t\t\tHWCRHK_R_CHIL_ERROR);\n\t\tERR_add_error_data(1,rmsg.buf);\n\t\tgoto err;\n\t\t}\n\trtmp->e->top = e.size / sizeof(BN_ULONG);\n\tbn_fix_top(rtmp->e);\n\trtmp->n->top = n.size / sizeof(BN_ULONG);\n\tbn_fix_top(rtmp->n);\n\tres = EVP_PKEY_new();\n\tEVP_PKEY_assign_RSA(res, rtmp);\n#endif\n if (!res)\n HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,\n HWCRHK_R_PRIVATE_KEY_ALGORITHMS_DISABLED);\n\treturn res;\n err:\n\tif (res)\n\t\tEVP_PKEY_free(res);\n#ifndef OPENSSL_NO_RSA\n\tif (rtmp)\n\t\tRSA_free(rtmp);\n#endif\n\treturn NULL;\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'RSA *RSA_new_method(ENGINE *engine)\n\t{\n\tRSA *ret;\n\tret=(RSA *)OPENSSL_malloc(sizeof(RSA));\n\tif (ret == NULL)\n\t\t{\n\t\tRSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t\t}\n\tret->meth = RSA_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n\tif (engine)\n\t\t{\n\t\tif (!ENGINE_init(engine))\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret->engine = engine;\n\t\t}\n\telse\n\t\tret->engine = ENGINE_get_default_RSA();\n\tif(ret->engine)\n\t\t{\n\t\tret->meth = ENGINE_get_RSA(ret->engine);\n\t\tif(!ret->meth)\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD,\n\t\t\t\tERR_R_ENGINE_LIB);\n\t\t\tENGINE_finish(ret->engine);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n#endif\n\tret->pad=0;\n\tret->version=0;\n\tret->n=NULL;\n\tret->e=NULL;\n\tret->d=NULL;\n\tret->p=NULL;\n\tret->q=NULL;\n\tret->dmp1=NULL;\n\tret->dmq1=NULL;\n\tret->iqmp=NULL;\n\tret->references=1;\n\tret->_method_mod_n=NULL;\n\tret->_method_mod_p=NULL;\n\tret->_method_mod_q=NULL;\n\tret->blinding=NULL;\n\tret->bignum_data=NULL;\n\tret->flags=ret->meth->flags;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\tif ((ret->meth->init != NULL) && !ret->meth->init(ret))\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (ret->engine)\n\t\t\tENGINE_finish(ret->engine);\n#endif\n\t\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}'] |
16,334 | 0 | https://github.com/openssl/openssl/blob/0bde1089f895718db2fe2637fda4a0c2ed6df904/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
Free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return(ret);
} | ['static int ssl3_get_key_exchange(SSL *s)\n\t{\n#ifndef NO_RSA\n\tunsigned char *q,md_buf[EVP_MAX_MD_SIZE*2];\n#endif\n\tEVP_MD_CTX md_ctx;\n\tunsigned char *param,*p;\n\tint al,i,j,param_len,ok;\n\tlong n,alg;\n\tEVP_PKEY *pkey=NULL;\n#ifndef NO_RSA\n\tRSA *rsa=NULL;\n#endif\n#ifndef NO_DH\n\tDH *dh=NULL;\n#endif\n\tn=ssl3_get_message(s,\n\t\tSSL3_ST_CR_KEY_EXCH_A,\n\t\tSSL3_ST_CR_KEY_EXCH_B,\n\t\t-1,\n\t\t1024*8,\n\t\t&ok);\n\tif (!ok) return((int)n);\n\tif (s->s3->tmp.message_type != SSL3_MT_SERVER_KEY_EXCHANGE)\n\t\t{\n\t\ts->s3->tmp.reuse_message=1;\n\t\treturn(1);\n\t\t}\n\tparam=p=(unsigned char *)s->init_buf->data;\n\tif (s->session->sess_cert != NULL)\n\t\t{\n#ifndef NO_RSA\n\t\tif (s->session->sess_cert->peer_rsa_tmp != NULL)\n\t\t\t{\n\t\t\tRSA_free(s->session->sess_cert->peer_rsa_tmp);\n\t\t\ts->session->sess_cert->peer_rsa_tmp=NULL;\n\t\t\t}\n#endif\n#ifndef NO_DH\n\t\tif (s->session->sess_cert->peer_dh_tmp)\n\t\t\t{\n\t\t\tDH_free(s->session->sess_cert->peer_dh_tmp);\n\t\t\ts->session->sess_cert->peer_dh_tmp=NULL;\n\t\t\t}\n#endif\n\t\t}\n\telse\n\t\t{\n\t\ts->session->sess_cert=ssl_sess_cert_new();\n\t\t}\n\tparam_len=0;\n\talg=s->s3->tmp.new_cipher->algorithms;\n#ifndef NO_RSA\n\tif (alg & SSL_kRSA)\n\t\t{\n\t\tif ((rsa=RSA_new()) == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\tn2s(p,i);\n\t\tparam_len=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_RSA_MODULUS_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(rsa->n=BN_bin2bn(p,i,rsa->n)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn2s(p,i);\n\t\tparam_len+=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_RSA_E_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(rsa->e=BN_bin2bn(p,i,rsa->e)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn-=param_len;\n\t\tif (alg & SSL_aRSA)\n\t\t\tpkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);\n\t\telse\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\ts->session->sess_cert->peer_rsa_tmp=rsa;\n\t\trsa=NULL;\n\t\t}\n\telse\n#endif\n#ifndef NO_DH\n\t\tif (alg & SSL_kEDH)\n\t\t{\n\t\tif ((dh=DH_new()) == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_DH_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tn2s(p,i);\n\t\tparam_len=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_DH_P_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(dh->p=BN_bin2bn(p,i,NULL)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn2s(p,i);\n\t\tparam_len+=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_DH_G_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(dh->g=BN_bin2bn(p,i,NULL)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn2s(p,i);\n\t\tparam_len+=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_DH_PUB_KEY_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(dh->pub_key=BN_bin2bn(p,i,NULL)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn-=param_len;\n#ifndef NO_RSA\n\t\tif (alg & SSL_aRSA)\n\t\t\tpkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);\n\t\telse\n#endif\n#ifndef NO_DSA\n\t\tif (alg & SSL_aDSS)\n\t\t\tpkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);\n#endif\n\t\ts->session->sess_cert->peer_dh_tmp=dh;\n\t\tdh=NULL;\n\t\t}\n\telse if ((alg & SSL_kDHr) || (alg & SSL_kDHd))\n\t\t{\n\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);\n\t\tgoto f_err;\n\t\t}\n#endif\n\tif (alg & SSL_aFZA)\n\t\t{\n\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);\n\t\tgoto f_err;\n\t\t}\n\tif (pkey != NULL)\n\t\t{\n\t\tn2s(p,i);\n\t\tn-=2;\n\t\tj=EVP_PKEY_size(pkey);\n\t\tif ((i != n) || (n > j) || (n <= 0))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_WRONG_SIGNATURE_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n#ifndef NO_RSA\n\t\tif (pkey->type == EVP_PKEY_RSA)\n\t\t\t{\n\t\t\tint num;\n\t\t\tj=0;\n\t\t\tq=md_buf;\n\t\t\tfor (num=2; num > 0; num--)\n\t\t\t\t{\n\t\t\t\tEVP_DigestInit(&md_ctx,(num == 2)\n\t\t\t\t\t?s->ctx->md5:s->ctx->sha1);\n\t\t\t\tEVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);\n\t\t\t\tEVP_DigestUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);\n\t\t\t\tEVP_DigestUpdate(&md_ctx,param,param_len);\n\t\t\t\tEVP_DigestFinal(&md_ctx,q,(unsigned int *)&i);\n\t\t\t\tq+=i;\n\t\t\t\tj+=i;\n\t\t\t\t}\n\t\t\ti=RSA_verify(NID_md5_sha1, md_buf, j, p, n,\n\t\t\t\t\t\t\t\tpkey->pkey.rsa);\n\t\t\tif (i < 0)\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_RSA_DECRYPT);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\tif (i == 0)\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SIGNATURE);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_DSA\n\t\t\tif (pkey->type == EVP_PKEY_DSA)\n\t\t\t{\n\t\t\tEVP_VerifyInit(&md_ctx,EVP_dss1());\n\t\t\tEVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);\n\t\t\tEVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);\n\t\t\tEVP_VerifyUpdate(&md_ctx,param,param_len);\n\t\t\tif (!EVP_VerifyFinal(&md_ctx,p,(int)n,pkey))\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SIGNATURE);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tif (!(alg & SSL_aNULL))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (n != 0)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_EXTRA_DATA_IN_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\tEVP_PKEY_free(pkey);\n\treturn(1);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\tEVP_PKEY_free(pkey);\n#ifndef NO_RSA\n\tif (rsa != NULL)\n\t\tRSA_free(rsa);\n#endif\n#ifndef NO_DH\n\tif (dh != NULL)\n\t\tDH_free(dh);\n#endif\n\treturn(-1);\n\t}', 'long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)\n\t{\n\tunsigned char *p;\n\tunsigned long l;\n\tlong n;\n\tint i,al;\n\tif (s->s3->tmp.reuse_message)\n\t\t{\n\t\ts->s3->tmp.reuse_message=0;\n\t\tif ((mt >= 0) && (s->s3->tmp.message_type != mt))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t*ok=1;\n\t\treturn((int)s->s3->tmp.message_size);\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tif (s->state == st1)\n\t\t{\n\t\ti=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],\n\t\t\t\t 4-s->init_num);\n\t\tif (i < (4-s->init_num))\n\t\t\t{\n\t\t\t*ok=0;\n\t\t\treturn(ssl3_part_read(s,i));\n\t\t\t}\n\t\tif ((mt >= 0) && (*p != mt))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&\n\t\t\t\t\t(st1 == SSL3_ST_SR_CERT_A) &&\n\t\t\t\t\t(stn == SSL3_ST_SR_CERT_B))\n\t\t\t{\n\t\t\tssl3_init_finished_mac(s);\n\t\t\tssl3_finish_mac(s, p + s->init_num, i);\n\t\t\t}\n\t\ts->s3->tmp.message_type= *(p++);\n\t\tn2l3(p,l);\n\t\tif (l > (unsigned long)max)\n\t\t\t{\n\t\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (l && !BUF_MEM_grow(s->init_buf,(int)l))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\ts->s3->tmp.message_size=l;\n\t\ts->state=stn;\n\t\ts->init_num=0;\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tn=s->s3->tmp.message_size;\n\tif (n > 0)\n\t\t{\n\t\ti=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n);\n\t\tif (i != (int)n)\n\t\t\t{\n\t\t\t*ok=0;\n\t\t\treturn(ssl3_part_read(s,i));\n\t\t\t}\n\t\t}\n\t*ok=1;\n\treturn(n);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\t*ok=0;\n\treturn(-1);\n\t}', 'void ssl3_send_alert(SSL *s, int level, int desc)\n\t{\n\tdesc=s->method->ssl3_enc->alert_value(desc);\n\tif (desc < 0) return;\n\tif ((level == 2) && (s->session != NULL))\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\ts->s3->alert_dispatch=1;\n\ts->s3->send_alert[0]=level;\n\ts->s3->send_alert[1]=desc;\n\tif (s->s3->wbuf.left == 0)\n\t\tssl3_dispatch_alert(s);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\tif (r != NULL)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tvoid *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tFree(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn(ret);\n\t}'] |
16,335 | 0 | https://github.com/openssl/openssl/blob/55442b8a5b719f54578083fae0fcc814b599cd84/crypto/bn/bn_lib.c/#L233 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)\n{\n BIGNUM *r1, *m1, *vrfy, *r2, *m[RSA_MAX_PRIME_NUM - 2];\n int ret = 0, i, ex_primes = 0;\n RSA_PRIME_INFO *pinfo;\n BN_CTX_start(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n m1 = BN_CTX_get(ctx);\n vrfy = BN_CTX_get(ctx);\n if (vrfy == NULL)\n goto err;\n if (rsa->version == RSA_ASN1_VERSION_MULTI\n && ((ex_primes = sk_RSA_PRIME_INFO_num(rsa->prime_infos)) <= 0\n || ex_primes > RSA_MAX_PRIME_NUM - 2))\n goto err;\n {\n BIGNUM *p = BN_new(), *q = BN_new();\n if (p == NULL || q == NULL) {\n BN_free(p);\n BN_free(q);\n goto err;\n }\n BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);\n BN_with_flags(q, rsa->q, BN_FLG_CONSTTIME);\n if (rsa->flags & RSA_FLAG_CACHE_PRIVATE) {\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_p, rsa->lock, p, ctx)\n || !BN_MONT_CTX_set_locked(&rsa->_method_mod_q,\n rsa->lock, q, ctx)) {\n BN_free(p);\n BN_free(q);\n goto err;\n }\n if (ex_primes > 0) {\n BIGNUM *r = BN_new();\n if (r == NULL) {\n BN_free(p);\n BN_free(q);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(r, pinfo->r, BN_FLG_CONSTTIME);\n if (!BN_MONT_CTX_set_locked(&pinfo->m, rsa->lock, r, ctx)) {\n BN_free(p);\n BN_free(q);\n BN_free(r);\n goto err;\n }\n }\n BN_free(r);\n }\n }\n BN_free(p);\n BN_free(q);\n }\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_n, rsa->lock, rsa->n, ctx))\n goto err;\n {\n BIGNUM *c = BN_new();\n if (c == NULL)\n goto err;\n BN_with_flags(c, I, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, c, rsa->q, ctx)) {\n BN_free(c);\n goto err;\n }\n {\n BIGNUM *dmq1 = BN_new();\n if (dmq1 == NULL) {\n BN_free(c);\n goto err;\n }\n BN_with_flags(dmq1, rsa->dmq1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(m1, r1, dmq1, rsa->q, ctx,\n rsa->_method_mod_q)) {\n BN_free(c);\n BN_free(dmq1);\n goto err;\n }\n BN_free(dmq1);\n }\n if (!BN_mod(r1, c, rsa->p, ctx)) {\n BN_free(c);\n goto err;\n }\n BN_free(c);\n }\n {\n BIGNUM *dmp1 = BN_new();\n if (dmp1 == NULL)\n goto err;\n BN_with_flags(dmp1, rsa->dmp1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, r1, dmp1, rsa->p, ctx,\n rsa->_method_mod_p)) {\n BN_free(dmp1);\n goto err;\n }\n BN_free(dmp1);\n }\n if (ex_primes > 0) {\n BIGNUM *di = BN_new(), *cc = BN_new();\n if (cc == NULL || di == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n if ((m[i] = BN_CTX_get(ctx)) == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(cc, I, BN_FLG_CONSTTIME);\n BN_with_flags(di, pinfo->d, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, cc, pinfo->r, ctx)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(m[i], r1, di, pinfo->r, ctx, pinfo->m)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n }\n BN_free(cc);\n BN_free(di);\n }\n if (!BN_sub(r0, r0, m1))\n goto err;\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->iqmp, ctx))\n goto err;\n {\n BIGNUM *pr1 = BN_new();\n if (pr1 == NULL)\n goto err;\n BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);\n if (!BN_mod(r0, pr1, rsa->p, ctx)) {\n BN_free(pr1);\n goto err;\n }\n BN_free(pr1);\n }\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->q, ctx))\n goto err;\n if (!BN_add(r0, r1, m1))\n goto err;\n if (ex_primes > 0) {\n BIGNUM *pr2 = BN_new();\n if (pr2 == NULL)\n goto err;\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n if (!BN_sub(r1, m[i], r0)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r2, r1, pinfo->t, ctx)) {\n BN_free(pr2);\n goto err;\n }\n BN_with_flags(pr2, r2, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, pr2, pinfo->r, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (BN_is_negative(r1))\n if (!BN_add(r1, r1, pinfo->r)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r1, r1, pinfo->pp, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_add(r0, r0, r1)) {\n BN_free(pr2);\n goto err;\n }\n }\n BN_free(pr2);\n }\n if (rsa->e && rsa->n) {\n if (!rsa->meth->bn_mod_exp(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n if (!BN_sub(vrfy, vrfy, I))\n goto err;\n if (!BN_mod(vrfy, vrfy, rsa->n, ctx))\n goto err;\n if (BN_is_negative(vrfy))\n if (!BN_add(vrfy, vrfy, rsa->n))\n goto err;\n if (!BN_is_zero(vrfy)) {\n BIGNUM *d = BN_new();\n if (d == NULL)\n goto err;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, I, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,336 | 0 | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_hash.c/#L391 | ngx_int_t
ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts)
{
u_char *elts;
size_t len;
u_short *test;
ngx_uint_t i, n, key, size, start, bucket_size;
ngx_hash_elt_t *elt, **buckets;
for (n = 0; n < nelts; n++) {
if (names[n].key.len >= 255) {
ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,
"the \"%V\" value to hash is to long: %uz bytes, "
"the maximum length can be 255 bytes only",
&names[n].key, names[n].key.len);
return NGX_ERROR;
}
if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *))
{
ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,
"could not build the %s, you should "
"increase %s_bucket_size: %i",
hinit->name, hinit->name, hinit->bucket_size);
return NGX_ERROR;
}
}
test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log);
if (test == NULL) {
return NGX_ERROR;
}
bucket_size = hinit->bucket_size - sizeof(void *);
start = nelts / (bucket_size / (2 * sizeof(void *)));
start = start ? start : 1;
if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) {
start = hinit->max_size - 1000;
}
for (size = start; size < hinit->max_size; size++) {
ngx_memzero(test, size * sizeof(u_short));
for (n = 0; n < nelts; n++) {
if (names[n].key.data == NULL) {
continue;
}
key = names[n].key_hash % size;
test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));
#if 0
ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,
"%ui: %ui %ui \"%V\"",
size, key, test[key], &names[n].key);
#endif
if (test[key] > (u_short) bucket_size) {
goto next;
}
}
goto found;
next:
continue;
}
ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,
"could not build the %s, you should increase "
"either %s_max_size: %i or %s_bucket_size: %i",
hinit->name, hinit->name, hinit->max_size,
hinit->name, hinit->bucket_size);
ngx_free(test);
return NGX_ERROR;
found:
for (i = 0; i < size; i++) {
test[i] = sizeof(void *);
}
for (n = 0; n < nelts; n++) {
if (names[n].key.data == NULL) {
continue;
}
key = names[n].key_hash % size;
test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));
}
len = 0;
for (i = 0; i < size; i++) {
if (test[i] == sizeof(void *)) {
continue;
}
test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size));
len += test[i];
}
if (hinit->hash == NULL) {
hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t)
+ size * sizeof(ngx_hash_elt_t *));
if (hinit->hash == NULL) {
ngx_free(test);
return NGX_ERROR;
}
buckets = (ngx_hash_elt_t **)
((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t));
} else {
buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *));
if (buckets == NULL) {
ngx_free(test);
return NGX_ERROR;
}
}
elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size);
if (elts == NULL) {
ngx_free(test);
return NGX_ERROR;
}
elts = ngx_align_ptr(elts, ngx_cacheline_size);
for (i = 0; i < size; i++) {
if (test[i] == sizeof(void *)) {
continue;
}
buckets[i] = (ngx_hash_elt_t *) elts;
elts += test[i];
}
for (i = 0; i < size; i++) {
test[i] = 0;
}
for (n = 0; n < nelts; n++) {
if (names[n].key.data == NULL) {
continue;
}
key = names[n].key_hash % size;
elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]);
elt->value = names[n].value;
elt->len = (u_char) names[n].key.len;
ngx_strlow(elt->name, names[n].key.data, names[n].key.len);
test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));
}
for (i = 0; i < size; i++) {
if (buckets[i] == NULL) {
continue;
}
elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]);
elt->value = NULL;
}
ngx_free(test);
hinit->hash->buckets = buckets;
hinit->hash->size = size;
#if 0
for (i = 0; i < size; i++) {
ngx_str_t val;
ngx_uint_t key;
elt = buckets[i];
if (elt == NULL) {
ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,
"%ui: NULL", i);
continue;
}
while (elt->value) {
val.len = elt->len;
val.data = &elt->name[0];
key = hinit->key(val.data, val.len);
ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,
"%ui: %p \"%V\" %ui", i, elt, &val, key);
elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len,
sizeof(void *));
}
}
#endif
return NGX_OK;
} | ['ngx_int_t\nngx_http_variables_init_vars(ngx_conf_t *cf)\n{\n ngx_uint_t i, n;\n ngx_hash_key_t *key;\n ngx_hash_init_t hash;\n ngx_http_variable_t *v, *av;\n ngx_http_core_main_conf_t *cmcf;\n cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);\n v = cmcf->variables.elts;\n key = cmcf->variables_keys->keys.elts;\n for (i = 0; i < cmcf->variables.nelts; i++) {\n for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {\n av = key[n].value;\n if (av->get_handler\n && v[i].name.len == key[n].key.len\n && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len)\n == 0)\n {\n v[i].get_handler = av->get_handler;\n v[i].data = av->data;\n av->flags |= NGX_HTTP_VAR_INDEXED;\n v[i].flags = av->flags;\n av->index = i;\n goto next;\n }\n }\n if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) {\n v[i].get_handler = ngx_http_variable_unknown_header_in;\n v[i].data = (uintptr_t) &v[i].name;\n continue;\n }\n if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) {\n v[i].get_handler = ngx_http_variable_unknown_header_out;\n v[i].data = (uintptr_t) &v[i].name;\n continue;\n }\n if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) {\n v[i].get_handler = ngx_http_upstream_header_variable;\n v[i].data = (uintptr_t) &v[i].name;\n v[i].flags = NGX_HTTP_VAR_NOCACHEABLE;\n continue;\n }\n if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) {\n v[i].get_handler = ngx_http_variable_cookie;\n v[i].data = (uintptr_t) &v[i].name;\n continue;\n }\n if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) {\n v[i].get_handler = ngx_http_variable_argument;\n v[i].data = (uintptr_t) &v[i].name;\n continue;\n }\n ngx_log_error(NGX_LOG_EMERG, cf->log, 0,\n "unknown \\"%V\\" variable", &v[i].name);\n return NGX_ERROR;\n next:\n continue;\n }\n for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {\n av = key[n].value;\n if (av->flags & NGX_HTTP_VAR_NOHASH) {\n key[n].key.data = NULL;\n }\n }\n hash.hash = &cmcf->variables_hash;\n hash.key = ngx_hash_key;\n hash.max_size = cmcf->variables_hash_max_size;\n hash.bucket_size = cmcf->variables_hash_bucket_size;\n hash.name = "variables_hash";\n hash.pool = cf->pool;\n hash.temp_pool = NULL;\n if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts,\n cmcf->variables_keys->keys.nelts)\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n cmcf->variables_keys = NULL;\n return NGX_OK;\n}', 'ngx_int_t\nngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts)\n{\n u_char *elts;\n size_t len;\n u_short *test;\n ngx_uint_t i, n, key, size, start, bucket_size;\n ngx_hash_elt_t *elt, **buckets;\n for (n = 0; n < nelts; n++) {\n if (names[n].key.len >= 255) {\n ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,\n "the \\"%V\\" value to hash is to long: %uz bytes, "\n "the maximum length can be 255 bytes only",\n &names[n].key, names[n].key.len);\n return NGX_ERROR;\n }\n if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *))\n {\n ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,\n "could not build the %s, you should "\n "increase %s_bucket_size: %i",\n hinit->name, hinit->name, hinit->bucket_size);\n return NGX_ERROR;\n }\n }\n test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log);\n if (test == NULL) {\n return NGX_ERROR;\n }\n bucket_size = hinit->bucket_size - sizeof(void *);\n start = nelts / (bucket_size / (2 * sizeof(void *)));\n start = start ? start : 1;\n if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) {\n start = hinit->max_size - 1000;\n }\n for (size = start; size < hinit->max_size; size++) {\n ngx_memzero(test, size * sizeof(u_short));\n for (n = 0; n < nelts; n++) {\n if (names[n].key.data == NULL) {\n continue;\n }\n key = names[n].key_hash % size;\n test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));\n#if 0\n ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,\n "%ui: %ui %ui \\"%V\\"",\n size, key, test[key], &names[n].key);\n#endif\n if (test[key] > (u_short) bucket_size) {\n goto next;\n }\n }\n goto found;\n next:\n continue;\n }\n ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,\n "could not build the %s, you should increase "\n "either %s_max_size: %i or %s_bucket_size: %i",\n hinit->name, hinit->name, hinit->max_size,\n hinit->name, hinit->bucket_size);\n ngx_free(test);\n return NGX_ERROR;\nfound:\n for (i = 0; i < size; i++) {\n test[i] = sizeof(void *);\n }\n for (n = 0; n < nelts; n++) {\n if (names[n].key.data == NULL) {\n continue;\n }\n key = names[n].key_hash % size;\n test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));\n }\n len = 0;\n for (i = 0; i < size; i++) {\n if (test[i] == sizeof(void *)) {\n continue;\n }\n test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size));\n len += test[i];\n }\n if (hinit->hash == NULL) {\n hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t)\n + size * sizeof(ngx_hash_elt_t *));\n if (hinit->hash == NULL) {\n ngx_free(test);\n return NGX_ERROR;\n }\n buckets = (ngx_hash_elt_t **)\n ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t));\n } else {\n buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *));\n if (buckets == NULL) {\n ngx_free(test);\n return NGX_ERROR;\n }\n }\n elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size);\n if (elts == NULL) {\n ngx_free(test);\n return NGX_ERROR;\n }\n elts = ngx_align_ptr(elts, ngx_cacheline_size);\n for (i = 0; i < size; i++) {\n if (test[i] == sizeof(void *)) {\n continue;\n }\n buckets[i] = (ngx_hash_elt_t *) elts;\n elts += test[i];\n }\n for (i = 0; i < size; i++) {\n test[i] = 0;\n }\n for (n = 0; n < nelts; n++) {\n if (names[n].key.data == NULL) {\n continue;\n }\n key = names[n].key_hash % size;\n elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]);\n elt->value = names[n].value;\n elt->len = (u_char) names[n].key.len;\n ngx_strlow(elt->name, names[n].key.data, names[n].key.len);\n test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));\n }\n for (i = 0; i < size; i++) {\n if (buckets[i] == NULL) {\n continue;\n }\n elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]);\n elt->value = NULL;\n }\n ngx_free(test);\n hinit->hash->buckets = buckets;\n hinit->hash->size = size;\n#if 0\n for (i = 0; i < size; i++) {\n ngx_str_t val;\n ngx_uint_t key;\n elt = buckets[i];\n if (elt == NULL) {\n ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,\n "%ui: NULL", i);\n continue;\n }\n while (elt->value) {\n val.len = elt->len;\n val.data = &elt->name[0];\n key = hinit->key(val.data, val.len);\n ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,\n "%ui: %p \\"%V\\" %ui", i, elt, &val, key);\n elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len,\n sizeof(void *));\n }\n }\n#endif\n return NGX_OK;\n}', 'void *\nngx_pcalloc(ngx_pool_t *pool, size_t size)\n{\n void *p;\n p = ngx_palloc(pool, size);\n if (p) {\n ngx_memzero(p, size);\n }\n return p;\n}', 'void *\nngx_palloc(ngx_pool_t *pool, size_t size)\n{\n u_char *m;\n ngx_pool_t *p;\n if (size <= pool->max) {\n p = pool->current;\n do {\n m = ngx_align_ptr(p->d.last, NGX_ALIGNMENT);\n if ((size_t) (p->d.end - m) >= size) {\n p->d.last = m + size;\n return m;\n }\n p = p->d.next;\n } while (p);\n return ngx_palloc_block(pool, size);\n }\n return ngx_palloc_large(pool, size);\n}'] |
16,337 | 0 | https://github.com/openssl/openssl/blob/a87228031f8a4e274c2f859a2589dcef2eb7cc58/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int aep_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,\n\tBIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,\n\tBN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tBIGNUM t;\n\tint to_return = 0;\n\tBN_init(&t);\n\tif (!aep_mod_exp(rr,a1,p1,m,ctx)) goto end;\n\tif (!aep_mod_exp(&t,a2,p2,m,ctx)) goto end;\n\tif (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;\n\tto_return = 1;\n end:\n\tBN_free(&t);\n\treturn to_return;\n\t}', 'static int aep_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n\tconst BIGNUM *m, BN_CTX *ctx)\n\t{\n\tint to_return = 0;\n\tint \tr_len = 0;\n\tAEP_CONNECTION_HNDL hConnection;\n\tAEP_RV rv;\n\tr_len = BN_num_bits(m);\n\tif (r_len > max_key_len){\n\t\tAEPHKerr(AEPHK_F_AEP_MOD_EXP, AEPHK_R_SIZE_TOO_LARGE_OR_TOO_SMALL);\n\t\treturn BN_mod_exp(r, a, p, m, ctx);\n\t}\n\trv = aep_get_connection(&hConnection);\n\tif (rv != AEP_R_OK)\n\t\t{\n\t\tAEPHKerr(AEPHK_F_AEP_MOD_EXP,AEPHK_R_GET_HANDLE_FAILED);\n\t\treturn BN_mod_exp(r, a, p, m, ctx);\n\t\t}\n\trv = p_AEP_ModExp(hConnection,(void*)a, (void*)p,(void*)m, (void*)r,NULL);\n\tif (rv != AEP_R_OK)\n\t\t{\n\t\tAEPHKerr(AEPHK_F_AEP_MOD_EXP,AEPHK_R_MOD_EXP_FAILED);\n\t\trv = aep_close_connection(hConnection);\n\t\treturn BN_mod_exp(r, a, p, m, ctx);\n\t\t}\n\trv = aep_return_connection(hConnection);\n\tif (rv != AEP_R_OK)\n\t\t{\n\t\tAEPHKerr(AEPHK_F_AEP_RAND,AEPHK_R_RETURN_CONNECTION_FAILED);\n\t\tgoto err;\n\t\t}\n\tto_return = 1;\n err:\n\treturn to_return;\n\t}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n\t BN_CTX *ctx)\n\t{\n\tint ret;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n\tif (BN_is_odd(m))\n\t\t{\n# ifdef MONT_EXP_WORD\n\t\tif (a->top == 1 && !a->neg)\n\t\t\t{\n\t\t\tBN_ULONG A = a->d[0];\n\t\t\tret=BN_mod_exp_mont_word(r,A,p,m,ctx,NULL);\n\t\t\t}\n\t\telse\n# endif\n\t\t\tret=BN_mod_exp_mont(r,a,p,m,ctx,NULL);\n\t\t}\n\telse\n#endif\n#ifdef RECP_MUL_MOD\n\t\t{ ret=BN_mod_exp_recp(r,a,p,m,ctx); }\n#else\n\t\t{ ret=BN_mod_exp_simple(r,a,p,m,ctx); }\n#endif\n\tbn_check_top(r);\n\treturn(ret);\n\t}', 'int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tBN_MONT_CTX *mont = NULL;\n\tint b, bits, ret=0;\n\tint r_is_one;\n\tBN_ULONG w, next_w;\n\tBIGNUM *d, *r, *t;\n\tBIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n\t\t(BN_mul_word(r, (w)) && \\\n\t\t( \\\n\t\t\t(BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))\n#define BN_TO_MONTGOMERY_WORD(r, w, mont) \\\n\t\t(BN_set_word(r, (w)) && BN_to_montgomery(r, r, (mont), ctx))\n\tbn_check_top(p);\n\tbn_check_top(m);\n\tif (!BN_is_odd(m))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT_WORD,BN_R_CALLED_WITH_EVEN_MODULUS);\n\t\treturn(0);\n\t\t}\n\tif (m->top == 1)\n\t\ta %= m->d[0];\n\tbits = BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tret = BN_one(rr);\n\t\treturn ret;\n\t\t}\n\tif (a == 0)\n\t\t{\n\t\tBN_zero(rr);\n\t\tret = 1;\n\t\treturn ret;\n\t\t}\n\tBN_CTX_start(ctx);\n\td = BN_CTX_get(ctx);\n\tr = BN_CTX_get(ctx);\n\tt = BN_CTX_get(ctx);\n\tif (d == NULL || r == NULL || t == NULL) goto err;\n\tif (in_mont != NULL)\n\t\tmont=in_mont;\n\telse\n\t\t{\n\t\tif ((mont = BN_MONT_CTX_new()) == NULL) goto err;\n\t\tif (!BN_MONT_CTX_set(mont, m, ctx)) goto err;\n\t\t}\n\tr_is_one = 1;\n\tw = a;\n\tfor (b = bits-2; b >= 0; b--)\n\t\t{\n\t\tnext_w = w*w;\n\t\tif ((next_w/w) != w)\n\t\t\t{\n\t\t\tif (r_is_one)\n\t\t\t\t{\n\t\t\t\tif (!BN_TO_MONTGOMERY_WORD(r, w, mont)) goto err;\n\t\t\t\tr_is_one = 0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_MOD_MUL_WORD(r, w, m)) goto err;\n\t\t\t\t}\n\t\t\tnext_w = 1;\n\t\t\t}\n\t\tw = next_w;\n\t\tif (!r_is_one)\n\t\t\t{\n\t\t\tif (!BN_mod_mul_montgomery(r, r, r, mont, ctx)) goto err;\n\t\t\t}\n\t\tif (BN_is_bit_set(p, b))\n\t\t\t{\n\t\t\tnext_w = w*a;\n\t\t\tif ((next_w/a) != w)\n\t\t\t\t{\n\t\t\t\tif (r_is_one)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_TO_MONTGOMERY_WORD(r, w, mont)) goto err;\n\t\t\t\t\tr_is_one = 0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_MOD_MUL_WORD(r, w, m)) goto err;\n\t\t\t\t\t}\n\t\t\t\tnext_w = a;\n\t\t\t\t}\n\t\t\tw = next_w;\n\t\t\t}\n\t\t}\n\tif (w != 1)\n\t\t{\n\t\tif (r_is_one)\n\t\t\t{\n\t\t\tif (!BN_TO_MONTGOMERY_WORD(r, w, mont)) goto err;\n\t\t\tr_is_one = 0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_MOD_MUL_WORD(r, w, m)) goto err;\n\t\t\t}\n\t\t}\n\tif (r_is_one)\n\t\t{\n\t\tif (!BN_one(rr)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_from_montgomery(rr, r, mont, ctx)) goto err;\n\t\t}\n\tret = 1;\nerr:\n\tif ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);\n\tBN_CTX_end(ctx);\n\tbn_check_top(rr);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint ret = 0;\n\tBIGNUM *Ri,*R;\n\tBN_CTX_start(ctx);\n\tif((Ri = BN_CTX_get(ctx)) == NULL) goto err;\n\tR= &(mont->RR);\n\tBN_copy(&(mont->N),mod);\n\tmont->N.neg = 0;\n#ifdef MONT_WORD\n\t\t{\n\t\tBIGNUM tmod;\n\t\tBN_ULONG buf[2];\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,BN_BITS2))) goto err;\n\t\tbuf[0]=mod->d[0];\n\t\tbuf[1]=0;\n\t\ttmod.d=buf;\n\t\ttmod.top=1;\n\t\ttmod.dmax=2;\n\t\ttmod.neg=0;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_set_word(Ri,BN_MASK2)) goto err;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0 = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\t}\n#else\n\t\t{\n\t\tmont->ri=BN_num_bits(&mont->N);\n\t\tBN_zero(R);\n\t\tif (!BN_set_bit(R,mont->ri)) goto err;\n\t\tif ((BN_mod_inverse(Ri,R,&mont->N,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,mont->ri)) goto err;\n\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\tif (!BN_div(&(mont->Ni),NULL,Ri,&mont->N,ctx)) goto err;\n\t\t}\n#endif\n\tBN_zero(&(mont->RR));\n\tif (!BN_set_bit(&(mont->RR),mont->ri*2)) goto err;\n\tif (!BN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx)) goto err;\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tif (!BN_nnmod(B, B, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\tif (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048)))\n\t\t{\n\t\tint shift;\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(B, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(X))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(X, X, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(X, X)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(B, B, shift)) goto err;\n\t\t\t\t}\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(A, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(Y))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(Y, Y, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(Y, Y)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(A, A, shift)) goto err;\n\t\t\t\t}\n\t\t\tif (BN_ucmp(B, A) >= 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(X, X, Y)) goto err;\n\t\t\t\tif (!BN_usub(B, B, A)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(Y, Y, X)) goto err;\n\t\t\t\tif (!BN_usub(A, A, B)) goto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tBIGNUM *tmp;\n\t\t\tif (BN_num_bits(A) == BN_num_bits(B))\n\t\t\t\t{\n\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t}\n\t\t\telse if (BN_num_bits(A) == BN_num_bits(B) + 1)\n\t\t\t\t{\n\t\t\t\tif (!BN_lshift1(T,B)) goto err;\n\t\t\t\tif (BN_ucmp(A,T) < 0)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_sub(M,A,T)) goto err;\n\t\t\t\t\tif (!BN_add(D,T,B)) goto err;\n\t\t\t\t\tif (BN_ucmp(A,D) < 0)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,2)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,3)) goto err;\n\t\t\t\t\t\tif (!BN_sub(M,M,B)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_div(D,M,A,B,ctx)) goto err;\n\t\t\t\t}\n\t\t\ttmp=A;\n\t\t\tA=B;\n\t\t\tB=M;\n\t\t\tif (BN_is_one(D))\n\t\t\t\t{\n\t\t\t\tif (!BN_add(tmp,X,Y)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (BN_is_word(D,2))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift1(tmp,X)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (BN_is_word(D,4))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift(tmp,X,2)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (D->top == 1)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_copy(tmp,X)) goto err;\n\t\t\t\t\tif (!BN_mul_word(tmp,D->d[0])) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\t\t\t}\n\t\t\tM=Y;\n\t\t\tY=X;\n\t\t\tX=tmp;\n\t\t\tsign = -sign;\n\t\t\t}\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tif (ret)\n\t\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tif (dv)\n\t\tbn_check_top(dv);\n\tif (rm)\n\t\tbn_check_top(rm);\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tbn_clear_top2max(&wnum);\n\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t*resp=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tif (rm)\n\t\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
16,338 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_ctx.c/#L328 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,339 | 0 | https://github.com/libav/libav/blob/6cecd63005b29a1dc3a5104e6ac85fd112705122/libswscale/yuv2rgb.c/#L212 | YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
LOADCHROMA(0);
PUTRGBA(dst_1,py_1,pa_1,0,0,0);
PUTRGBA(dst_2,py_2,pa_2,0,1,0);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_2,1,1,0);
PUTRGBA(dst_1,py_1,pa_1,1,0,0);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_2,1,1,0);
PUTRGBA(dst_1,py_1,pa_1,1,0,0);
LOADCHROMA(2);
PUTRGBA(dst_1,py_1,pa_1,2,0,0);
PUTRGBA(dst_2,py_2,pa_2,2,1,0);
LOADCHROMA(3);
PUTRGBA(dst_2,py_2,pa_2,3,1,0);
PUTRGBA(dst_1,py_1,pa_1,3,0,0);
pa_1 += 8;\
pa_2 += 8;\
ENDYUV2RGBLINE(8)
LOADCHROMA(0);
PUTRGBA(dst_1,py_1,pa_1,0,0,0);
PUTRGBA(dst_2,py_2,pa_2,0,1,0);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_2,1,1,0);
PUTRGBA(dst_1,py_1,pa_1,1,0,0);
ENDYUV2RGBFUNC() | ['YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)\n LOADCHROMA(0);\n PUTRGBA(dst_1,py_1,pa_1,0,0,0);\n PUTRGBA(dst_2,py_2,pa_2,0,1,0);\n LOADCHROMA(1);\n PUTRGBA(dst_2,py_2,pa_2,1,1,0);\n PUTRGBA(dst_1,py_1,pa_1,1,0,0);\n LOADCHROMA(1);\n PUTRGBA(dst_2,py_2,pa_2,1,1,0);\n PUTRGBA(dst_1,py_1,pa_1,1,0,0);\n LOADCHROMA(2);\n PUTRGBA(dst_1,py_1,pa_1,2,0,0);\n PUTRGBA(dst_2,py_2,pa_2,2,1,0);\n LOADCHROMA(3);\n PUTRGBA(dst_2,py_2,pa_2,3,1,0);\n PUTRGBA(dst_1,py_1,pa_1,3,0,0);\n pa_1 += 8;\\\n pa_2 += 8;\\\nENDYUV2RGBLINE(8)\n LOADCHROMA(0);\n PUTRGBA(dst_1,py_1,pa_1,0,0,0);\n PUTRGBA(dst_2,py_2,pa_2,0,1,0);\n LOADCHROMA(1);\n PUTRGBA(dst_2,py_2,pa_2,1,1,0);\n PUTRGBA(dst_1,py_1,pa_1,1,0,0);\nENDYUV2RGBFUNC()'] |
16,340 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_lib.c/#L765 | int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)
{
int i;
BN_ULONG aa, bb;
aa = a[n - 1];
bb = b[n - 1];
if (aa != bb)
return ((aa > bb) ? 1 : -1);
for (i = n - 2; i >= 0; i--) {
aa = a[i];
bb = b[i];
if (aa != bb)
return ((aa > bb) ? 1 : -1);
}
return (0);
} | ['int ossl_ecdsa_verify_sig(const unsigned char *dgst, int dgst_len,\n const ECDSA_SIG *sig, EC_KEY *eckey)\n{\n int ret = -1, i;\n BN_CTX *ctx;\n BIGNUM *order, *u1, *u2, *m, *X;\n EC_POINT *point = NULL;\n const EC_GROUP *group;\n const EC_POINT *pub_key;\n if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||\n (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, EC_R_MISSING_PARAMETERS);\n return -1;\n }\n ctx = BN_CTX_new();\n if (ctx == NULL) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_MALLOC_FAILURE);\n return -1;\n }\n BN_CTX_start(ctx);\n order = BN_CTX_get(ctx);\n u1 = BN_CTX_get(ctx);\n u2 = BN_CTX_get(ctx);\n m = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n if (X == NULL) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if (!EC_GROUP_get_order(group, order, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_EC_LIB);\n goto err;\n }\n if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||\n BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||\n BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, EC_R_BAD_SIGNATURE);\n ret = 0;\n goto err;\n }\n if (!BN_mod_inverse(u2, sig->s, order, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n i = BN_num_bits(order);\n if (8 * dgst_len > i)\n dgst_len = (i + 7) / 8;\n if (!BN_bin2bn(dgst, dgst_len, m)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_mod_mul(u1, m, u2, order, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_mod_mul(u2, sig->r, u2, order, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if ((point = EC_POINT_new(group)) == NULL) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_EC_LIB);\n goto err;\n }\n if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==\n NID_X9_62_prime_field) {\n if (!EC_POINT_get_affine_coordinates_GFp(group, point, X, NULL, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_EC_LIB);\n goto err;\n }\n }\n#ifndef OPENSSL_NO_EC2M\n else {\n if (!EC_POINT_get_affine_coordinates_GF2m(group, point, X, NULL, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_EC_LIB);\n goto err;\n }\n }\n#endif\n if (!BN_nnmod(u1, X, order, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_VERIFY_SIG, ERR_R_BN_LIB);\n goto err;\n }\n ret = (BN_ucmp(u1, sig->r) == 0);\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n EC_POINT_free(point);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return (1);\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n rr->neg = a->neg ^ b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# if 0\n if (i == 1 && !BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)b;\n if (bn_wexpand(tmp_bn, al) == NULL)\n goto err;\n tmp_bn->d[bl] = 0;\n bl++;\n i--;\n } else if (i == -1 && !BN_get_flags(a, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)a;\n if (bn_wexpand(tmp_bn, bl) == NULL)\n goto err;\n tmp_bn->d[al] = 0;\n al++;\n i++;\n }\n if (i == 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (al == j) {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, al, t->d);\n } else {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d, al - j, j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# endif\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n bn_correct_top(rr);\n if (r != rr)\n BN_copy(r, rr);\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return (ret);\n}', 'void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,\n int tna, int tnb, BN_ULONG *t)\n{\n int i, j, n2 = n * 2;\n int c1, c2, neg;\n BN_ULONG ln, lo, *p;\n if (n < 8) {\n bn_mul_normal(r, a, n + tna, b, n + tnb);\n return;\n }\n c1 = bn_cmp_part_words(a, &(a[n]), tna, n - tna);\n c2 = bn_cmp_part_words(&(b[n]), b, tnb, tnb - n);\n neg = 0;\n switch (c1 * 3 + c2) {\n case -4:\n bn_sub_part_words(t, &(a[n]), a, tna, tna - n);\n bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb);\n break;\n case -3:\n case -2:\n bn_sub_part_words(t, &(a[n]), a, tna, tna - n);\n bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n);\n neg = 1;\n break;\n case -1:\n case 0:\n case 1:\n case 2:\n bn_sub_part_words(t, a, &(a[n]), tna, n - tna);\n bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb);\n neg = 1;\n break;\n case 3:\n case 4:\n bn_sub_part_words(t, a, &(a[n]), tna, n - tna);\n bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n);\n break;\n }\n# if 0\n if (n == 4) {\n bn_mul_comba4(&(t[n2]), t, &(t[n]));\n bn_mul_comba4(r, a, b);\n bn_mul_normal(&(r[n2]), &(a[n]), tn, &(b[n]), tn);\n memset(&r[n2 + tn * 2], 0, sizeof(*r) * (n2 - tn * 2));\n } else\n# endif\n if (n == 8) {\n bn_mul_comba8(&(t[n2]), t, &(t[n]));\n bn_mul_comba8(r, a, b);\n bn_mul_normal(&(r[n2]), &(a[n]), tna, &(b[n]), tnb);\n memset(&r[n2 + tna + tnb], 0, sizeof(*r) * (n2 - tna - tnb));\n } else {\n p = &(t[n2 * 2]);\n bn_mul_recursive(&(t[n2]), t, &(t[n]), n, 0, 0, p);\n bn_mul_recursive(r, a, b, n, 0, 0, p);\n i = n / 2;\n if (tna > tnb)\n j = tna - i;\n else\n j = tnb - i;\n if (j == 0) {\n bn_mul_recursive(&(r[n2]), &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n memset(&r[n2 + i * 2], 0, sizeof(*r) * (n2 - i * 2));\n } else if (j > 0) {\n bn_mul_part_recursive(&(r[n2]), &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n memset(&(r[n2 + tna + tnb]), 0,\n sizeof(BN_ULONG) * (n2 - tna - tnb));\n } else {\n memset(&r[n2], 0, sizeof(*r) * n2);\n if (tna < BN_MUL_RECURSIVE_SIZE_NORMAL\n && tnb < BN_MUL_RECURSIVE_SIZE_NORMAL) {\n bn_mul_normal(&(r[n2]), &(a[n]), tna, &(b[n]), tnb);\n } else {\n for (;;) {\n i /= 2;\n if (i < tna || i < tnb) {\n bn_mul_part_recursive(&(r[n2]),\n &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n break;\n } else if (i == tna || i == tnb) {\n bn_mul_recursive(&(r[n2]),\n &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n break;\n }\n }\n }\n }\n }\n c1 = (int)(bn_add_words(t, r, &(r[n2]), n2));\n if (neg) {\n c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2));\n } else {\n c1 += (int)(bn_add_words(&(t[n2]), &(t[n2]), t, n2));\n }\n c1 += (int)(bn_add_words(&(r[n]), &(r[n]), &(t[n2]), n2));\n if (c1) {\n p = &(r[n + n2]);\n lo = *p;\n ln = (lo + c1) & BN_MASK2;\n *p = ln;\n if (ln < (BN_ULONG)c1) {\n do {\n p++;\n lo = *p;\n ln = (lo + 1) & BN_MASK2;\n *p = ln;\n } while (ln == 0);\n }\n }\n}', 'int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b, int cl, int dl)\n{\n int n, i;\n n = cl - 1;\n if (dl < 0) {\n for (i = dl; i < 0; i++) {\n if (b[n - i] != 0)\n return -1;\n }\n }\n if (dl > 0) {\n for (i = dl; i > 0; i--) {\n if (a[n + i] != 0)\n return 1;\n }\n }\n return bn_cmp_words(a, b, cl);\n}', 'int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)\n{\n int i;\n BN_ULONG aa, bb;\n aa = a[n - 1];\n bb = b[n - 1];\n if (aa != bb)\n return ((aa > bb) ? 1 : -1);\n for (i = n - 2; i >= 0; i--) {\n aa = a[i];\n bb = b[i];\n if (aa != bb)\n return ((aa > bb) ? 1 : -1);\n }\n return (0);\n}'] |
16,341 | 0 | https://github.com/libav/libav/blob/366ba2dee1f2b17825b42e2164d3b9879f0271b1/libavcodec/h264_direct.c/#L395 | static void pred_spatial_direct_motion(const H264Context *const h, H264SliceContext *sl,
int *mb_type)
{
int b8_stride = 2;
int b4_stride = h->b_stride;
int mb_xy = sl->mb_xy, mb_y = sl->mb_y;
int mb_type_col[2];
const int16_t (*l1mv0)[2], (*l1mv1)[2];
const int8_t *l1ref0, *l1ref1;
const int is_b8x8 = IS_8X8(*mb_type);
unsigned int sub_mb_type = MB_TYPE_L0L1;
int i8, i4;
int ref[2];
int mv[2];
int list;
assert(sl->ref_list[1][0].reference & 3);
await_reference_mb_row(h, sl->ref_list[1][0].parent,
sl->mb_y + !!IS_INTERLACED(*mb_type));
#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16 | MB_TYPE_INTRA4x4 | \
MB_TYPE_INTRA16x16 | MB_TYPE_INTRA_PCM)
for (list = 0; list < 2; list++) {
int left_ref = sl->ref_cache[list][scan8[0] - 1];
int top_ref = sl->ref_cache[list][scan8[0] - 8];
int refc = sl->ref_cache[list][scan8[0] - 8 + 4];
const int16_t *C = sl->mv_cache[list][scan8[0] - 8 + 4];
if (refc == PART_NOT_AVAILABLE) {
refc = sl->ref_cache[list][scan8[0] - 8 - 1];
C = sl->mv_cache[list][scan8[0] - 8 - 1];
}
ref[list] = FFMIN3((unsigned)left_ref,
(unsigned)top_ref,
(unsigned)refc);
if (ref[list] >= 0) {
const int16_t *const A = sl->mv_cache[list][scan8[0] - 1];
const int16_t *const B = sl->mv_cache[list][scan8[0] - 8];
int match_count = (left_ref == ref[list]) +
(top_ref == ref[list]) +
(refc == ref[list]);
if (match_count > 1) {
mv[list] = pack16to32(mid_pred(A[0], B[0], C[0]),
mid_pred(A[1], B[1], C[1]));
} else {
assert(match_count == 1);
if (left_ref == ref[list])
mv[list] = AV_RN32A(A);
else if (top_ref == ref[list])
mv[list] = AV_RN32A(B);
else
mv[list] = AV_RN32A(C);
}
} else {
int mask = ~(MB_TYPE_L0 << (2 * list));
mv[list] = 0;
ref[list] = -1;
if (!is_b8x8)
*mb_type &= mask;
sub_mb_type &= mask;
}
}
if (ref[0] < 0 && ref[1] < 0) {
ref[0] = ref[1] = 0;
if (!is_b8x8)
*mb_type |= MB_TYPE_L0L1;
sub_mb_type |= MB_TYPE_L0L1;
}
if (!(is_b8x8 | mv[0] | mv[1])) {
fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
fill_rectangle(&sl->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
fill_rectangle(&sl->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
fill_rectangle(&sl->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
*mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |
MB_TYPE_P1L0 | MB_TYPE_P1L1)) |
MB_TYPE_16x16 | MB_TYPE_DIRECT2;
return;
}
if (IS_INTERLACED(sl->ref_list[1][0].parent->mb_type[mb_xy])) {
if (!IS_INTERLACED(*mb_type)) {
mb_y = (sl->mb_y & ~1) + sl->col_parity;
mb_xy = sl->mb_x +
((sl->mb_y & ~1) + sl->col_parity) * h->mb_stride;
b8_stride = 0;
} else {
mb_y += sl->col_fieldoff;
mb_xy += h->mb_stride * sl->col_fieldoff;
}
goto single_col;
} else {
if (IS_INTERLACED(*mb_type)) {
mb_y = sl->mb_y & ~1;
mb_xy = (sl->mb_y & ~1) * h->mb_stride + sl->mb_x;
mb_type_col[0] = sl->ref_list[1][0].parent->mb_type[mb_xy];
mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy + h->mb_stride];
b8_stride = 2 + 4 * h->mb_stride;
b4_stride *= 6;
if (IS_INTERLACED(mb_type_col[0]) !=
IS_INTERLACED(mb_type_col[1])) {
mb_type_col[0] &= ~MB_TYPE_INTERLACED;
mb_type_col[1] &= ~MB_TYPE_INTERLACED;
}
sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2;
if ((mb_type_col[0] & MB_TYPE_16x16_OR_INTRA) &&
(mb_type_col[1] & MB_TYPE_16x16_OR_INTRA) &&
!is_b8x8) {
*mb_type |= MB_TYPE_16x8 | MB_TYPE_DIRECT2;
} else {
*mb_type |= MB_TYPE_8x8;
}
} else {
single_col:
mb_type_col[0] =
mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy];
sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2;
if (!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)) {
*mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2;
} else if (!is_b8x8 &&
(mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16))) {
*mb_type |= MB_TYPE_DIRECT2 |
(mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16));
} else {
if (!h->ps.sps->direct_8x8_inference_flag) {
sub_mb_type += (MB_TYPE_8x8 - MB_TYPE_16x16);
}
*mb_type |= MB_TYPE_8x8;
}
}
}
await_reference_mb_row(h, sl->ref_list[1][0].parent, mb_y);
l1mv0 = &sl->ref_list[1][0].parent->motion_val[0][h->mb2b_xy[mb_xy]];
l1mv1 = &sl->ref_list[1][0].parent->motion_val[1][h->mb2b_xy[mb_xy]];
l1ref0 = &sl->ref_list[1][0].parent->ref_index[0][4 * mb_xy];
l1ref1 = &sl->ref_list[1][0].parent->ref_index[1][4 * mb_xy];
if (!b8_stride) {
if (sl->mb_y & 1) {
l1ref0 += 2;
l1ref1 += 2;
l1mv0 += 2 * b4_stride;
l1mv1 += 2 * b4_stride;
}
}
if (IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])) {
int n = 0;
for (i8 = 0; i8 < 4; i8++) {
int x8 = i8 & 1;
int y8 = i8 >> 1;
int xy8 = x8 + y8 * b8_stride;
int xy4 = x8 * 3 + y8 * b4_stride;
int a, b;
if (is_b8x8 && !IS_DIRECT(sl->sub_mb_type[i8]))
continue;
sl->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&sl->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
(uint8_t)ref[0], 1);
fill_rectangle(&sl->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,
(uint8_t)ref[1], 1);
if (!IS_INTRA(mb_type_col[y8]) && !sl->ref_list[1][0].parent->long_ref &&
((l1ref0[xy8] == 0 &&
FFABS(l1mv0[xy4][0]) <= 1 &&
FFABS(l1mv0[xy4][1]) <= 1) ||
(l1ref0[xy8] < 0 &&
l1ref1[xy8] == 0 &&
FFABS(l1mv1[xy4][0]) <= 1 &&
FFABS(l1mv1[xy4][1]) <= 1))) {
a =
b = 0;
if (ref[0] > 0)
a = mv[0];
if (ref[1] > 0)
b = mv[1];
n++;
} else {
a = mv[0];
b = mv[1];
}
fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, a, 4);
fill_rectangle(&sl->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, b, 4);
}
if (!is_b8x8 && !(n & 3))
*mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |
MB_TYPE_P1L0 | MB_TYPE_P1L1)) |
MB_TYPE_16x16 | MB_TYPE_DIRECT2;
} else if (IS_16X16(*mb_type)) {
int a, b;
fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
fill_rectangle(&sl->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&
((l1ref0[0] == 0 &&
FFABS(l1mv0[0][0]) <= 1 &&
FFABS(l1mv0[0][1]) <= 1) ||
(l1ref0[0] < 0 && !l1ref1[0] &&
FFABS(l1mv1[0][0]) <= 1 &&
FFABS(l1mv1[0][1]) <= 1 &&
h->sei.unregistered.x264_build > 33U))) {
a = b = 0;
if (ref[0] > 0)
a = mv[0];
if (ref[1] > 0)
b = mv[1];
} else {
a = mv[0];
b = mv[1];
}
fill_rectangle(&sl->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
fill_rectangle(&sl->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
} else {
int n = 0;
for (i8 = 0; i8 < 4; i8++) {
const int x8 = i8 & 1;
const int y8 = i8 >> 1;
if (is_b8x8 && !IS_DIRECT(sl->sub_mb_type[i8]))
continue;
sl->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, mv[0], 4);
fill_rectangle(&sl->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, mv[1], 4);
fill_rectangle(&sl->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
(uint8_t)ref[0], 1);
fill_rectangle(&sl->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,
(uint8_t)ref[1], 1);
assert(b8_stride == 2);
if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&
(l1ref0[i8] == 0 ||
(l1ref0[i8] < 0 &&
l1ref1[i8] == 0 &&
h->sei.unregistered.x264_build > 33U))) {
const int16_t (*l1mv)[2] = l1ref0[i8] == 0 ? l1mv0 : l1mv1;
if (IS_SUB_8X8(sub_mb_type)) {
const int16_t *mv_col = l1mv[x8 * 3 + y8 * 3 * b4_stride];
if (FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1) {
if (ref[0] == 0)
fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2,
8, 0, 4);
if (ref[1] == 0)
fill_rectangle(&sl->mv_cache[1][scan8[i8 * 4]], 2, 2,
8, 0, 4);
n += 4;
}
} else {
int m = 0;
for (i4 = 0; i4 < 4; i4++) {
const int16_t *mv_col = l1mv[x8 * 2 + (i4 & 1) +
(y8 * 2 + (i4 >> 1)) * b4_stride];
if (FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1) {
if (ref[0] == 0)
AV_ZERO32(sl->mv_cache[0][scan8[i8 * 4 + i4]]);
if (ref[1] == 0)
AV_ZERO32(sl->mv_cache[1][scan8[i8 * 4 + i4]]);
m++;
}
}
if (!(m & 3))
sl->sub_mb_type[i8] += MB_TYPE_16x16 - MB_TYPE_8x8;
n += m;
}
}
}
if (!is_b8x8 && !(n & 15))
*mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |
MB_TYPE_P1L0 | MB_TYPE_P1L1)) |
MB_TYPE_16x16 | MB_TYPE_DIRECT2;
}
} | ['static void pred_spatial_direct_motion(const H264Context *const h, H264SliceContext *sl,\n int *mb_type)\n{\n int b8_stride = 2;\n int b4_stride = h->b_stride;\n int mb_xy = sl->mb_xy, mb_y = sl->mb_y;\n int mb_type_col[2];\n const int16_t (*l1mv0)[2], (*l1mv1)[2];\n const int8_t *l1ref0, *l1ref1;\n const int is_b8x8 = IS_8X8(*mb_type);\n unsigned int sub_mb_type = MB_TYPE_L0L1;\n int i8, i4;\n int ref[2];\n int mv[2];\n int list;\n assert(sl->ref_list[1][0].reference & 3);\n await_reference_mb_row(h, sl->ref_list[1][0].parent,\n sl->mb_y + !!IS_INTERLACED(*mb_type));\n#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16 | MB_TYPE_INTRA4x4 | \\\n MB_TYPE_INTRA16x16 | MB_TYPE_INTRA_PCM)\n for (list = 0; list < 2; list++) {\n int left_ref = sl->ref_cache[list][scan8[0] - 1];\n int top_ref = sl->ref_cache[list][scan8[0] - 8];\n int refc = sl->ref_cache[list][scan8[0] - 8 + 4];\n const int16_t *C = sl->mv_cache[list][scan8[0] - 8 + 4];\n if (refc == PART_NOT_AVAILABLE) {\n refc = sl->ref_cache[list][scan8[0] - 8 - 1];\n C = sl->mv_cache[list][scan8[0] - 8 - 1];\n }\n ref[list] = FFMIN3((unsigned)left_ref,\n (unsigned)top_ref,\n (unsigned)refc);\n if (ref[list] >= 0) {\n const int16_t *const A = sl->mv_cache[list][scan8[0] - 1];\n const int16_t *const B = sl->mv_cache[list][scan8[0] - 8];\n int match_count = (left_ref == ref[list]) +\n (top_ref == ref[list]) +\n (refc == ref[list]);\n if (match_count > 1) {\n mv[list] = pack16to32(mid_pred(A[0], B[0], C[0]),\n mid_pred(A[1], B[1], C[1]));\n } else {\n assert(match_count == 1);\n if (left_ref == ref[list])\n mv[list] = AV_RN32A(A);\n else if (top_ref == ref[list])\n mv[list] = AV_RN32A(B);\n else\n mv[list] = AV_RN32A(C);\n }\n } else {\n int mask = ~(MB_TYPE_L0 << (2 * list));\n mv[list] = 0;\n ref[list] = -1;\n if (!is_b8x8)\n *mb_type &= mask;\n sub_mb_type &= mask;\n }\n }\n if (ref[0] < 0 && ref[1] < 0) {\n ref[0] = ref[1] = 0;\n if (!is_b8x8)\n *mb_type |= MB_TYPE_L0L1;\n sub_mb_type |= MB_TYPE_L0L1;\n }\n if (!(is_b8x8 | mv[0] | mv[1])) {\n fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);\n fill_rectangle(&sl->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);\n fill_rectangle(&sl->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);\n fill_rectangle(&sl->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);\n *mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |\n MB_TYPE_P1L0 | MB_TYPE_P1L1)) |\n MB_TYPE_16x16 | MB_TYPE_DIRECT2;\n return;\n }\n if (IS_INTERLACED(sl->ref_list[1][0].parent->mb_type[mb_xy])) {\n if (!IS_INTERLACED(*mb_type)) {\n mb_y = (sl->mb_y & ~1) + sl->col_parity;\n mb_xy = sl->mb_x +\n ((sl->mb_y & ~1) + sl->col_parity) * h->mb_stride;\n b8_stride = 0;\n } else {\n mb_y += sl->col_fieldoff;\n mb_xy += h->mb_stride * sl->col_fieldoff;\n }\n goto single_col;\n } else {\n if (IS_INTERLACED(*mb_type)) {\n mb_y = sl->mb_y & ~1;\n mb_xy = (sl->mb_y & ~1) * h->mb_stride + sl->mb_x;\n mb_type_col[0] = sl->ref_list[1][0].parent->mb_type[mb_xy];\n mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy + h->mb_stride];\n b8_stride = 2 + 4 * h->mb_stride;\n b4_stride *= 6;\n if (IS_INTERLACED(mb_type_col[0]) !=\n IS_INTERLACED(mb_type_col[1])) {\n mb_type_col[0] &= ~MB_TYPE_INTERLACED;\n mb_type_col[1] &= ~MB_TYPE_INTERLACED;\n }\n sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2;\n if ((mb_type_col[0] & MB_TYPE_16x16_OR_INTRA) &&\n (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA) &&\n !is_b8x8) {\n *mb_type |= MB_TYPE_16x8 | MB_TYPE_DIRECT2;\n } else {\n *mb_type |= MB_TYPE_8x8;\n }\n } else {\nsingle_col:\n mb_type_col[0] =\n mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy];\n sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2;\n if (!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)) {\n *mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2;\n } else if (!is_b8x8 &&\n (mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16))) {\n *mb_type |= MB_TYPE_DIRECT2 |\n (mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16));\n } else {\n if (!h->ps.sps->direct_8x8_inference_flag) {\n sub_mb_type += (MB_TYPE_8x8 - MB_TYPE_16x16);\n }\n *mb_type |= MB_TYPE_8x8;\n }\n }\n }\n await_reference_mb_row(h, sl->ref_list[1][0].parent, mb_y);\n l1mv0 = &sl->ref_list[1][0].parent->motion_val[0][h->mb2b_xy[mb_xy]];\n l1mv1 = &sl->ref_list[1][0].parent->motion_val[1][h->mb2b_xy[mb_xy]];\n l1ref0 = &sl->ref_list[1][0].parent->ref_index[0][4 * mb_xy];\n l1ref1 = &sl->ref_list[1][0].parent->ref_index[1][4 * mb_xy];\n if (!b8_stride) {\n if (sl->mb_y & 1) {\n l1ref0 += 2;\n l1ref1 += 2;\n l1mv0 += 2 * b4_stride;\n l1mv1 += 2 * b4_stride;\n }\n }\n if (IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])) {\n int n = 0;\n for (i8 = 0; i8 < 4; i8++) {\n int x8 = i8 & 1;\n int y8 = i8 >> 1;\n int xy8 = x8 + y8 * b8_stride;\n int xy4 = x8 * 3 + y8 * b4_stride;\n int a, b;\n if (is_b8x8 && !IS_DIRECT(sl->sub_mb_type[i8]))\n continue;\n sl->sub_mb_type[i8] = sub_mb_type;\n fill_rectangle(&sl->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,\n (uint8_t)ref[0], 1);\n fill_rectangle(&sl->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,\n (uint8_t)ref[1], 1);\n if (!IS_INTRA(mb_type_col[y8]) && !sl->ref_list[1][0].parent->long_ref &&\n ((l1ref0[xy8] == 0 &&\n FFABS(l1mv0[xy4][0]) <= 1 &&\n FFABS(l1mv0[xy4][1]) <= 1) ||\n (l1ref0[xy8] < 0 &&\n l1ref1[xy8] == 0 &&\n FFABS(l1mv1[xy4][0]) <= 1 &&\n FFABS(l1mv1[xy4][1]) <= 1))) {\n a =\n b = 0;\n if (ref[0] > 0)\n a = mv[0];\n if (ref[1] > 0)\n b = mv[1];\n n++;\n } else {\n a = mv[0];\n b = mv[1];\n }\n fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, a, 4);\n fill_rectangle(&sl->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, b, 4);\n }\n if (!is_b8x8 && !(n & 3))\n *mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |\n MB_TYPE_P1L0 | MB_TYPE_P1L1)) |\n MB_TYPE_16x16 | MB_TYPE_DIRECT2;\n } else if (IS_16X16(*mb_type)) {\n int a, b;\n fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);\n fill_rectangle(&sl->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);\n if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&\n ((l1ref0[0] == 0 &&\n FFABS(l1mv0[0][0]) <= 1 &&\n FFABS(l1mv0[0][1]) <= 1) ||\n (l1ref0[0] < 0 && !l1ref1[0] &&\n FFABS(l1mv1[0][0]) <= 1 &&\n FFABS(l1mv1[0][1]) <= 1 &&\n h->sei.unregistered.x264_build > 33U))) {\n a = b = 0;\n if (ref[0] > 0)\n a = mv[0];\n if (ref[1] > 0)\n b = mv[1];\n } else {\n a = mv[0];\n b = mv[1];\n }\n fill_rectangle(&sl->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);\n fill_rectangle(&sl->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);\n } else {\n int n = 0;\n for (i8 = 0; i8 < 4; i8++) {\n const int x8 = i8 & 1;\n const int y8 = i8 >> 1;\n if (is_b8x8 && !IS_DIRECT(sl->sub_mb_type[i8]))\n continue;\n sl->sub_mb_type[i8] = sub_mb_type;\n fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, mv[0], 4);\n fill_rectangle(&sl->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, mv[1], 4);\n fill_rectangle(&sl->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,\n (uint8_t)ref[0], 1);\n fill_rectangle(&sl->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,\n (uint8_t)ref[1], 1);\n assert(b8_stride == 2);\n if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&\n (l1ref0[i8] == 0 ||\n (l1ref0[i8] < 0 &&\n l1ref1[i8] == 0 &&\n h->sei.unregistered.x264_build > 33U))) {\n const int16_t (*l1mv)[2] = l1ref0[i8] == 0 ? l1mv0 : l1mv1;\n if (IS_SUB_8X8(sub_mb_type)) {\n const int16_t *mv_col = l1mv[x8 * 3 + y8 * 3 * b4_stride];\n if (FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1) {\n if (ref[0] == 0)\n fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2,\n 8, 0, 4);\n if (ref[1] == 0)\n fill_rectangle(&sl->mv_cache[1][scan8[i8 * 4]], 2, 2,\n 8, 0, 4);\n n += 4;\n }\n } else {\n int m = 0;\n for (i4 = 0; i4 < 4; i4++) {\n const int16_t *mv_col = l1mv[x8 * 2 + (i4 & 1) +\n (y8 * 2 + (i4 >> 1)) * b4_stride];\n if (FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1) {\n if (ref[0] == 0)\n AV_ZERO32(sl->mv_cache[0][scan8[i8 * 4 + i4]]);\n if (ref[1] == 0)\n AV_ZERO32(sl->mv_cache[1][scan8[i8 * 4 + i4]]);\n m++;\n }\n }\n if (!(m & 3))\n sl->sub_mb_type[i8] += MB_TYPE_16x16 - MB_TYPE_8x8;\n n += m;\n }\n }\n }\n if (!is_b8x8 && !(n & 15))\n *mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |\n MB_TYPE_P1L0 | MB_TYPE_P1L1)) |\n MB_TYPE_16x16 | MB_TYPE_DIRECT2;\n }\n}'] |
16,342 | 0 | https://github.com/openssl/openssl/blob/972c87dfc7e765bd28a4964519c362f0d3a58ca4/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_RECP_CTX recp;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_RECP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(r);\n } else {\n ret = BN_one(r);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n aa = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n BN_RECP_CTX_init(&recp);\n if (m->neg) {\n if (!BN_copy(aa, m))\n goto err;\n aa->neg = 0;\n if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0)\n goto err;\n } else {\n if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)\n goto err;\n }\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n if (BN_is_zero(val[0])) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n if (!BN_one(r))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start)\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n }\n if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_RECP_CTX_free(&recp);\n bn_check_top(r);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a;\n const BIGNUM *ca;\n BN_CTX_start(ctx);\n if ((a = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (y != NULL) {\n if (x == y) {\n if (!BN_sqr(a, x, ctx))\n goto err;\n } else {\n if (!BN_mul(a, x, y, ctx))\n goto err;\n }\n ca = a;\n } else\n ca = x;\n ret = BN_div_recp(NULL, r, ca, recp, ctx);\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return ret;\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,343 | 0 | https://github.com/openssl/openssl/blob/6bc62a620e715f7580651ca932eab052aa527886/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,\n EC_POINT *point,\n const BIGNUM *x_, int y_bit,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp1, *tmp2, *x, *y;\n int ret = 0;\n ERR_clear_error();\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n y_bit = (y_bit != 0);\n BN_CTX_start(ctx);\n tmp1 = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto err;\n if (!BN_nnmod(x, x_, group->field, ctx))\n goto err;\n if (group->meth->field_decode == 0) {\n if (!group->meth->field_sqr(group, tmp2, x_, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(tmp2, x_, group->field, ctx))\n goto err;\n if (!BN_mod_mul(tmp1, tmp2, x_, group->field, ctx))\n goto err;\n }\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp2, x, group->field))\n goto err;\n if (!BN_mod_add_quick(tmp2, tmp2, x, group->field))\n goto err;\n if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->a, ctx))\n goto err;\n if (!BN_mod_mul(tmp2, tmp2, x, group->field, ctx))\n goto err;\n } else {\n if (!group->meth->field_mul(group, tmp2, group->a, x, ctx))\n goto err;\n }\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n }\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->b, ctx))\n goto err;\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (!BN_mod_add_quick(tmp1, tmp1, group->b, group->field))\n goto err;\n }\n if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {\n unsigned long err = ERR_peek_last_error();\n if (ERR_GET_LIB(err) == ERR_LIB_BN\n && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE) {\n ERR_clear_error();\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n if (BN_is_zero(y)) {\n int kron;\n kron = BN_kronecker(x, group->field, ctx);\n if (kron == -2)\n goto err;\n if (kron == 1)\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSION_BIT);\n else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n goto err;\n }\n if (!BN_usub(y, group->field, y))\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates(group, point, x, y, ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int ret = bn_sqr_fixed_top(r, a, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,344 | 0 | https://github.com/libav/libav/blob/1e4dd198aff2f1071b88aba6ae873745e9c18a81/libavcodec/motion_est.c/#L170 | static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
const int size, const int h, int ref_index, int src_index,
me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){
MotionEstContext * const c= &s->me;
const int stride= c->stride;
const int hx= subx + (x<<(1+qpel));
const int hy= suby + (y<<(1+qpel));
uint8_t * const * const ref= c->ref[ref_index];
uint8_t * const * const src= c->src[src_index];
int d;
assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
const int time_pp= s->pp_time;
const int time_pb= s->pb_time;
const int mask= 2*qpel+1;
if(s->mv_type==MV_TYPE_8X8){
int i;
for(i=0; i<4; i++){
int fx = c->direct_basis_mv[i][0] + hx;
int fy = c->direct_basis_mv[i][1] + hy;
int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
if(qpel){
c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
}else{
c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
}
}
}else{
int fx = c->direct_basis_mv[0][0] + hx;
int fy = c->direct_basis_mv[0][1] + hy;
int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
if(qpel){
c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
}else{
assert((fx>>1) + 16*s->mb_x >= -16);
assert((fy>>1) + 16*s->mb_y >= -16);
assert((fx>>1) + 16*s->mb_x <= s->width);
assert((fy>>1) + 16*s->mb_y <= s->height);
assert((bx>>1) + 16*s->mb_x >= -16);
assert((by>>1) + 16*s->mb_y >= -16);
assert((bx>>1) + 16*s->mb_x <= s->width);
assert((by>>1) + 16*s->mb_y <= s->height);
c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
}
}
d = cmp_func(s, c->temp, src[0], stride, 16);
}else
d= 256*256*256*32;
return d;
} | ['void ff_estimate_b_frame_motion(MpegEncContext * s,\n int mb_x, int mb_y)\n{\n MotionEstContext * const c= &s->me;\n const int penalty_factor= c->mb_penalty_factor;\n int fmin, bmin, dmin, fbmin, bimin, fimin;\n int type=0;\n const int xy = mb_y*s->mb_stride + mb_x;\n init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);\n get_limits(s, 16*mb_x, 16*mb_y);\n c->skip=0;\n if(s->codec_id == CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]){\n int score= direct_search(s, mb_x, mb_y);\n score= ((unsigned)(score*score + 128*256))>>16;\n c->mc_mb_var_sum_temp += score;\n s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score;\n s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;\n return;\n }\n if(c->avctx->me_threshold){\n int vard= check_input_motion(s, mb_x, mb_y, 0);\n if((vard+128)>>8 < c->avctx->me_threshold){\n s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;\n c->mc_mb_var_sum_temp += (vard+128)>>8;\n return;\n }\n if((vard+128)>>8 < c->avctx->mb_threshold){\n type= s->mb_type[mb_y*s->mb_stride + mb_x];\n if(type == CANDIDATE_MB_TYPE_DIRECT){\n direct_search(s, mb_x, mb_y);\n }\n if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){\n c->skip=0;\n ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);\n }\n if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){\n c->skip=0;\n ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);\n }\n if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){\n c->skip=0;\n c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;\n interlaced_search(s, 0,\n s->b_field_mv_table[0], s->b_field_select_table[0],\n s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);\n }\n if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){\n c->skip=0;\n c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;\n interlaced_search(s, 2,\n s->b_field_mv_table[1], s->b_field_select_table[1],\n s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);\n }\n return;\n }\n }\n if (s->codec_id == CODEC_ID_MPEG4)\n dmin= direct_search(s, mb_x, mb_y);\n else\n dmin= INT_MAX;\n c->skip=0;\n fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;\n c->skip=0;\n bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;\n c->skip=0;\n fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;\n if(s->flags & CODEC_FLAG_INTERLACED_ME){\n c->skip=0;\n c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;\n fimin= interlaced_search(s, 0,\n s->b_field_mv_table[0], s->b_field_select_table[0],\n s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);\n c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;\n bimin= interlaced_search(s, 2,\n s->b_field_mv_table[1], s->b_field_select_table[1],\n s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);\n }else\n fimin= bimin= INT_MAX;\n {\n int score= fmin;\n type = CANDIDATE_MB_TYPE_FORWARD;\n if (dmin <= score){\n score = dmin;\n type = CANDIDATE_MB_TYPE_DIRECT;\n }\n if(bmin<score){\n score=bmin;\n type= CANDIDATE_MB_TYPE_BACKWARD;\n }\n if(fbmin<score){\n score=fbmin;\n type= CANDIDATE_MB_TYPE_BIDIR;\n }\n if(fimin<score){\n score=fimin;\n type= CANDIDATE_MB_TYPE_FORWARD_I;\n }\n if(bimin<score){\n score=bimin;\n type= CANDIDATE_MB_TYPE_BACKWARD_I;\n }\n score= ((unsigned)(score*score + 128*256))>>16;\n c->mc_mb_var_sum_temp += score;\n s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score;\n }\n if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){\n type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;\n if(fimin < INT_MAX)\n type |= CANDIDATE_MB_TYPE_FORWARD_I;\n if(bimin < INT_MAX)\n type |= CANDIDATE_MB_TYPE_BACKWARD_I;\n if(fimin < INT_MAX && bimin < INT_MAX){\n type |= CANDIDATE_MB_TYPE_BIDIR_I;\n }\n if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT;\n if(s->codec_id == CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])\n type |= CANDIDATE_MB_TYPE_DIRECT0;\n#if 0\n if(s->out_format == FMT_MPEG1)\n type |= CANDIDATE_MB_TYPE_INTRA;\n#endif\n }\n s->mb_type[mb_y*s->mb_stride + mb_x]= type;\n}', 'static int ff_estimate_motion_b(MpegEncContext * s,\n int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code)\n{\n MotionEstContext * const c= &s->me;\n int mx, my, dmin;\n int P[10][2];\n const int shift= 1+s->quarter_sample;\n const int mot_stride = s->mb_stride;\n const int mot_xy = mb_y*mot_stride + mb_x;\n uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;\n int mv_scale;\n c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);\n c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);\n c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);\n c->current_mv_penalty= mv_penalty;\n get_limits(s, 16*mb_x, 16*mb_y);\n switch(s->me_method) {\n case ME_ZERO:\n default:\n no_motion_search(s, &mx, &my);\n dmin = 0;\n mx-= mb_x*16;\n my-= mb_y*16;\n break;\n case ME_X1:\n case ME_EPZS:\n {\n P_LEFT[0] = mv_table[mot_xy - 1][0];\n P_LEFT[1] = mv_table[mot_xy - 1][1];\n if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);\n if (!s->first_slice_line) {\n P_TOP[0] = mv_table[mot_xy - mot_stride ][0];\n P_TOP[1] = mv_table[mot_xy - mot_stride ][1];\n P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];\n P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];\n if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift);\n if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);\n if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);\n P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);\n P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);\n }\n c->pred_x= P_LEFT[0];\n c->pred_y= P_LEFT[1];\n }\n if(mv_table == s->b_forw_mv_table){\n mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);\n }else{\n mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);\n }\n dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);\n break;\n }\n dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);\n if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)\n dmin= ff_get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);\n mv_table[mot_xy][0]= mx;\n mv_table[mot_xy][1]= my;\n return dmin;\n}', 'inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,\n int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],\n int ref_mv_scale, int size, int h)\n{\n MotionEstContext * const c= &s->me;\n if(c->flags==0 && h==16 && size==0){\n return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, 0, 0, 16);\n }else{\n return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, c->flags, size, h);\n }\n}', 'static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,\n int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],\n int ref_mv_scale, int flags, int size, int h)\n{\n MotionEstContext * const c= &s->me;\n int best[2]={0, 0};\n int d;\n int dmin;\n int map_generation;\n int penalty_factor;\n const int ref_mv_stride= s->mb_stride;\n const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride;\n me_cmp_func cmpf, chroma_cmpf;\n LOAD_COMMON\n LOAD_COMMON2\n if(c->pre_pass){\n penalty_factor= c->pre_penalty_factor;\n cmpf= s->dsp.me_pre_cmp[size];\n chroma_cmpf= s->dsp.me_pre_cmp[size+1];\n }else{\n penalty_factor= c->penalty_factor;\n cmpf= s->dsp.me_cmp[size];\n chroma_cmpf= s->dsp.me_cmp[size+1];\n }\n map_generation= update_map_generation(c);\n assert(cmpf);\n dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\n map[0]= map_generation;\n score_map[0]= dmin;\n if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)\n dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;\n if (s->first_slice_line) {\n CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)\n CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,\n (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)\n }else{\n if(dmin<((h*h*s->avctx->mv0_threshold)>>8)\n && ( P_LEFT[0] |P_LEFT[1]\n |P_TOP[0] |P_TOP[1]\n |P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){\n *mx_ptr= 0;\n *my_ptr= 0;\n c->skip=1;\n return dmin;\n }\n CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)\n CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)\n CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)\n CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )\n CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )\n CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,\n (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)\n CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)\n CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)\n CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)\n }\n if(dmin>h*h*4){\n if(c->pre_pass){\n CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,\n (last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)\n if(!s->first_slice_line)\n CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,\n (last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)\n }else{\n CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,\n (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)\n if(s->mb_y+1<s->end_mb_y)\n CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,\n (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)\n }\n }\n if(c->avctx->last_predictor_count){\n const int count= c->avctx->last_predictor_count;\n const int xstart= FFMAX(0, s->mb_x - count);\n const int ystart= FFMAX(0, s->mb_y - count);\n const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);\n const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);\n int mb_y;\n for(mb_y=ystart; mb_y<yend; mb_y++){\n int mb_x;\n for(mb_x=xstart; mb_x<xend; mb_x++){\n const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;\n int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;\n int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;\n if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;\n CHECK_MV(mx,my)\n }\n }\n }\n dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);\n *mx_ptr= best[0];\n *my_ptr= best[1];\n return dmin;\n}', 'static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,\n const int size, const int h, int ref_index, int src_index,\n me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){\n if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size)\n && av_builtin_constant_p(subx) && av_builtin_constant_p(suby)\n && flags==0 && h==16 && size==0 && subx==0 && suby==0){\n return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func);\n }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)\n && subx==0 && suby==0){\n return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags);\n }else{\n return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags);\n }\n}', 'static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y,\n const int size, const int h, int ref_index, int src_index,\n me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){\n if(flags&FLAG_DIRECT){\n return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);\n }else{\n return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);\n }\n}', 'static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,\n const int size, const int h, int ref_index, int src_index,\n me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){\n MotionEstContext * const c= &s->me;\n const int stride= c->stride;\n const int hx= subx + (x<<(1+qpel));\n const int hy= suby + (y<<(1+qpel));\n uint8_t * const * const ref= c->ref[ref_index];\n uint8_t * const * const src= c->src[src_index];\n int d;\n assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));\n if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){\n const int time_pp= s->pp_time;\n const int time_pb= s->pb_time;\n const int mask= 2*qpel+1;\n if(s->mv_type==MV_TYPE_8X8){\n int i;\n for(i=0; i<4; i++){\n int fx = c->direct_basis_mv[i][0] + hx;\n int fy = c->direct_basis_mv[i][1] + hy;\n int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));\n int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));\n int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));\n int bxy= (bx&mask) + ((by&mask)<<(qpel+1));\n uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);\n if(qpel){\n c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);\n c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);\n }else{\n c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);\n c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);\n }\n }\n }else{\n int fx = c->direct_basis_mv[0][0] + hx;\n int fy = c->direct_basis_mv[0][1] + hy;\n int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);\n int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);\n int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));\n int bxy= (bx&mask) + ((by&mask)<<(qpel+1));\n if(qpel){\n c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);\n c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);\n c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);\n c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);\n c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);\n c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);\n c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);\n c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);\n }else{\n assert((fx>>1) + 16*s->mb_x >= -16);\n assert((fy>>1) + 16*s->mb_y >= -16);\n assert((fx>>1) + 16*s->mb_x <= s->width);\n assert((fy>>1) + 16*s->mb_y <= s->height);\n assert((bx>>1) + 16*s->mb_x >= -16);\n assert((by>>1) + 16*s->mb_y >= -16);\n assert((bx>>1) + 16*s->mb_x <= s->width);\n assert((by>>1) + 16*s->mb_y <= s->height);\n c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);\n c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);\n }\n }\n d = cmp_func(s, c->temp, src[0], stride, 16);\n }else\n d= 256*256*256*32;\n return d;\n}'] |
16,345 | 0 | https://github.com/libav/libav/blob/12b812d2e5dcc7c80b19b7c01713be31389120d5/libavcodec/h263.h/#L183 | static inline int get_p_cbp(MpegEncContext * s,
DCTELEM block[6][64],
int motion_x, int motion_y){
int cbp, i;
if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
int best_cbpy_score= INT_MAX;
int best_cbpc_score= INT_MAX;
int cbpc = (-1), cbpy= (-1);
const int offset= (s->mv_type==MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
for(i=0; i<4; i++){
int score= ff_h263_inter_MCBPC_bits[i + offset] * lambda;
if(i&1) score += s->coded_score[5];
if(i&2) score += s->coded_score[4];
if(score < best_cbpc_score){
best_cbpc_score= score;
cbpc= i;
}
}
for(i=0; i<16; i++){
int score= ff_h263_cbpy_tab[i ^ 0xF][1] * lambda;
if(i&1) score += s->coded_score[3];
if(i&2) score += s->coded_score[2];
if(i&4) score += s->coded_score[1];
if(i&8) score += s->coded_score[0];
if(score < best_cbpy_score){
best_cbpy_score= score;
cbpy= i;
}
}
cbp= cbpc + 4*cbpy;
if ((motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16){
if(best_cbpy_score + best_cbpc_score + 2*lambda >= 0)
cbp= 0;
}
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){
s->block_last_index[i]= -1;
s->dsp.clear_block(s->block[i]);
}
}
}else{
cbp= 0;
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0)
cbp |= 1 << (5 - i);
}
}
return cbp;
} | ['static inline int get_p_cbp(MpegEncContext * s,\n DCTELEM block[6][64],\n int motion_x, int motion_y){\n int cbp, i;\n if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {\n int best_cbpy_score= INT_MAX;\n int best_cbpc_score= INT_MAX;\n int cbpc = (-1), cbpy= (-1);\n const int offset= (s->mv_type==MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);\n const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);\n for(i=0; i<4; i++){\n int score= ff_h263_inter_MCBPC_bits[i + offset] * lambda;\n if(i&1) score += s->coded_score[5];\n if(i&2) score += s->coded_score[4];\n if(score < best_cbpc_score){\n best_cbpc_score= score;\n cbpc= i;\n }\n }\n for(i=0; i<16; i++){\n int score= ff_h263_cbpy_tab[i ^ 0xF][1] * lambda;\n if(i&1) score += s->coded_score[3];\n if(i&2) score += s->coded_score[2];\n if(i&4) score += s->coded_score[1];\n if(i&8) score += s->coded_score[0];\n if(score < best_cbpy_score){\n best_cbpy_score= score;\n cbpy= i;\n }\n }\n cbp= cbpc + 4*cbpy;\n if ((motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16){\n if(best_cbpy_score + best_cbpc_score + 2*lambda >= 0)\n cbp= 0;\n }\n for (i = 0; i < 6; i++) {\n if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){\n s->block_last_index[i]= -1;\n s->dsp.clear_block(s->block[i]);\n }\n }\n }else{\n cbp= 0;\n for (i = 0; i < 6; i++) {\n if (s->block_last_index[i] >= 0)\n cbp |= 1 << (5 - i);\n }\n }\n return cbp;\n}'] |
16,346 | 0 | https://github.com/libav/libav/blob/fd7f59639c43f0ab6b83ad2c1ceccafc553d7845/libavcodec/adxenc.c/#L120 | static av_cold int adx_encode_init(AVCodecContext *avctx)
{
if (avctx->channels > 2)
return -1;
avctx->frame_size = 32;
avctx->coded_frame= avcodec_alloc_frame();
avctx->coded_frame->key_frame= 1;
av_log(avctx, AV_LOG_DEBUG, "adx encode init\n");
return 0;
} | ['static av_cold int adx_encode_init(AVCodecContext *avctx)\n{\n if (avctx->channels > 2)\n return -1;\n avctx->frame_size = 32;\n avctx->coded_frame= avcodec_alloc_frame();\n avctx->coded_frame->key_frame= 1;\n av_log(avctx, AV_LOG_DEBUG, "adx encode init\\n");\n return 0;\n}', 'AVFrame *avcodec_alloc_frame(void){\n AVFrame *pic= av_malloc(sizeof(AVFrame));\n if(pic==NULL) return NULL;\n avcodec_get_frame_defaults(pic);\n return pic;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr = NULL;\n#ifdef CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#ifdef CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif defined (HAVE_POSIX_MEMALIGN)\n posix_memalign(&ptr,16,size);\n#elif defined (HAVE_MEMALIGN)\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
16,347 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/bn/bn_shift.c/#L113 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | ['int ec_GFp_simple_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,\n BN_CTX *ctx)\n{\n int (*field_mul) (const EC_GROUP *, BIGNUM *, const BIGNUM *,\n const BIGNUM *, BN_CTX *);\n int (*field_sqr) (const EC_GROUP *, BIGNUM *, const BIGNUM *, BN_CTX *);\n const BIGNUM *p;\n BN_CTX *new_ctx = NULL;\n BIGNUM *n0, *n1, *n2, *n3;\n int ret = 0;\n if (EC_POINT_is_at_infinity(group, a)) {\n BN_zero(r->Z);\n r->Z_is_one = 0;\n return 1;\n }\n field_mul = group->meth->field_mul;\n field_sqr = group->meth->field_sqr;\n p = group->field;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n BN_CTX_start(ctx);\n n0 = BN_CTX_get(ctx);\n n1 = BN_CTX_get(ctx);\n n2 = BN_CTX_get(ctx);\n n3 = BN_CTX_get(ctx);\n if (n3 == NULL)\n goto err;\n if (a->Z_is_one) {\n if (!field_sqr(group, n0, a->X, ctx))\n goto err;\n if (!BN_mod_lshift1_quick(n1, n0, p))\n goto err;\n if (!BN_mod_add_quick(n0, n0, n1, p))\n goto err;\n if (!BN_mod_add_quick(n1, n0, group->a, p))\n goto err;\n } else if (group->a_is_minus3) {\n if (!field_sqr(group, n1, a->Z, ctx))\n goto err;\n if (!BN_mod_add_quick(n0, a->X, n1, p))\n goto err;\n if (!BN_mod_sub_quick(n2, a->X, n1, p))\n goto err;\n if (!field_mul(group, n1, n0, n2, ctx))\n goto err;\n if (!BN_mod_lshift1_quick(n0, n1, p))\n goto err;\n if (!BN_mod_add_quick(n1, n0, n1, p))\n goto err;\n } else {\n if (!field_sqr(group, n0, a->X, ctx))\n goto err;\n if (!BN_mod_lshift1_quick(n1, n0, p))\n goto err;\n if (!BN_mod_add_quick(n0, n0, n1, p))\n goto err;\n if (!field_sqr(group, n1, a->Z, ctx))\n goto err;\n if (!field_sqr(group, n1, n1, ctx))\n goto err;\n if (!field_mul(group, n1, n1, group->a, ctx))\n goto err;\n if (!BN_mod_add_quick(n1, n1, n0, p))\n goto err;\n }\n if (a->Z_is_one) {\n if (!BN_copy(n0, a->Y))\n goto err;\n } else {\n if (!field_mul(group, n0, a->Y, a->Z, ctx))\n goto err;\n }\n if (!BN_mod_lshift1_quick(r->Z, n0, p))\n goto err;\n r->Z_is_one = 0;\n if (!field_sqr(group, n3, a->Y, ctx))\n goto err;\n if (!field_mul(group, n2, a->X, n3, ctx))\n goto err;\n if (!BN_mod_lshift_quick(n2, n2, 2, p))\n goto err;\n if (!BN_mod_lshift1_quick(n0, n2, p))\n goto err;\n if (!field_sqr(group, r->X, n1, ctx))\n goto err;\n if (!BN_mod_sub_quick(r->X, r->X, n0, p))\n goto err;\n if (!field_sqr(group, n0, n3, ctx))\n goto err;\n if (!BN_mod_lshift_quick(n3, n0, 3, p))\n goto err;\n if (!BN_mod_sub_quick(n0, n2, r->X, p))\n goto err;\n if (!field_mul(group, n0, n1, n0, ctx))\n goto err;\n if (!BN_mod_sub_quick(r->Y, n0, n3, p))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m)\n{\n if (r != a) {\n if (BN_copy(r, a) == NULL)\n return 0;\n }\n while (n > 0) {\n int max_shift;\n max_shift = BN_num_bits(m) - BN_num_bits(r);\n if (max_shift < 0) {\n BNerr(BN_F_BN_MOD_LSHIFT_QUICK, BN_R_INPUT_NOT_REDUCED);\n return 0;\n }\n if (max_shift > n)\n max_shift = n;\n if (max_shift) {\n if (!BN_lshift(r, r, max_shift))\n return 0;\n n -= max_shift;\n } else {\n if (!BN_lshift1(r, r))\n return 0;\n --n;\n }\n if (BN_cmp(r, m) >= 0) {\n if (!BN_sub(r, r, m))\n return 0;\n }\n }\n bn_check_top(r);\n return 1;\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n r->neg = a->neg;\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,348 | 0 | https://github.com/openssl/openssl/blob/ed371b8cbac0d0349667558c061c1ae380cf75eb/crypto/bn/bn_lib.c/#L291 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->neg = b->neg;
a->top = b->top;
a->flags |= b->flags & BN_FLG_FIXED_TOP;
bn_check_top(a);
return a;
} | ['int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx)\n{\n int ret = 0;\n if ((b->A == NULL) || (b->Ai == NULL)) {\n BNerr(BN_F_BN_BLINDING_UPDATE, BN_R_NOT_INITIALIZED);\n goto err;\n }\n if (b->counter == -1)\n b->counter = 0;\n if (++b->counter == BN_BLINDING_COUNTER && b->e != NULL &&\n !(b->flags & BN_BLINDING_NO_RECREATE)) {\n if (!BN_BLINDING_create_param(b, NULL, NULL, ctx, NULL, NULL))\n goto err;\n } else if (!(b->flags & BN_BLINDING_NO_UPDATE)) {\n if (b->m_ctx != NULL) {\n if (!bn_mul_mont_fixed_top(b->Ai, b->Ai, b->Ai, b->m_ctx, ctx)\n || !bn_mul_mont_fixed_top(b->A, b->A, b->A, b->m_ctx, ctx))\n goto err;\n } else {\n if (!BN_mod_mul(b->Ai, b->Ai, b->Ai, b->mod, ctx)\n || !BN_mod_mul(b->A, b->A, b->A, b->mod, ctx))\n goto err;\n }\n }\n ret = 1;\n err:\n if (b->counter == BN_BLINDING_COUNTER)\n b->counter = 0;\n return ret;\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int ret;\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (divisor->d[divisor->top - 1] == 0) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);\n if (ret) {\n if (dv != NULL)\n bn_correct_top(dv);\n if (rm != NULL)\n bn_correct_top(rm);\n }\n return ret;\n}', 'int BN_is_zero(const BIGNUM *a)\n{\n return a->top == 0;\n}', 'int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n const BIGNUM *divisor, BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnum, *wnumtop;\n BN_ULONG d0, d1;\n int num_n, div_n;\n assert(divisor->top > 0 && divisor->d[divisor->top - 1] != 0);\n bn_check_top(num);\n bn_check_top(divisor);\n bn_check_top(dv);\n bn_check_top(rm);\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n if (!BN_copy(sdiv, divisor))\n goto err;\n norm_shift = bn_left_align(sdiv);\n sdiv->neg = 0;\n if (!(bn_lshift_fixed_top(snum, num, norm_shift)))\n goto err;\n div_n = sdiv->top;\n num_n = snum->top;\n if (num_n <= div_n) {\n if (bn_wexpand(snum, div_n + 1) == NULL)\n goto err;\n memset(&(snum->d[num_n]), 0, (div_n - num_n + 1) * sizeof(BN_ULONG));\n snum->top = num_n = div_n + 1;\n }\n loop = num_n - div_n;\n wnum = &(snum->d[loop]);\n wnumtop = &(snum->d[num_n - 1]);\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n if (!bn_wexpand(res, loop))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop;\n res->flags |= BN_FLG_FIXED_TOP;\n resp = &(res->d[loop]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n for (i = 0; i < loop; i++, wnumtop--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnumtop, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnumtop[0];\n n1 = wnumtop[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n BN_ULONG n2 = (wnumtop == wnum) ? 0 : wnumtop[-2];\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | n2))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= n2)))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum--;\n l0 = bn_sub_words(wnum, wnum, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum, wnum, tmp->d, div_n);\n (*wnumtop) += l0;\n assert((*wnumtop) == 0);\n *--resp = q;\n }\n snum->neg = num->neg;\n snum->top = div_n;\n snum->flags |= BN_FLG_FIXED_TOP;\n if (rm != NULL)\n bn_rshift_fixed_top(rm, snum, norm_shift);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->neg = b->neg;\n a->top = b->top;\n a->flags |= b->flags & BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,349 | 0 | https://github.com/openssl/openssl/blob/4b8515baa6edef1a771f9e4e3fbc0395b4a629e8/crypto/bn/bn_lib.c/#L333 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['int srp_generate_server_master_secret(SSL *s)\n{\n BIGNUM *K = NULL, *u = NULL;\n int ret = -1, tmp_len = 0;\n unsigned char *tmp = NULL;\n if (!SRP_Verify_A_mod_N(s->srp_ctx.A, s->srp_ctx.N))\n goto err;\n if ((u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N)) == NULL)\n goto err;\n if ((K = SRP_Calc_server_key(s->srp_ctx.A, s->srp_ctx.v, u, s->srp_ctx.b,\n s->srp_ctx.N)) == NULL)\n goto err;\n tmp_len = BN_num_bytes(K);\n if ((tmp = OPENSSL_malloc(tmp_len)) == NULL)\n goto err;\n BN_bn2bin(K, tmp);\n ret = ssl_generate_master_secret(s, tmp, tmp_len, 1);\n err:\n BN_clear_free(K);\n BN_clear_free(u);\n return ret;\n}', 'int SRP_Verify_A_mod_N(const BIGNUM *A, const BIGNUM *N)\n{\n return SRP_Verify_B_mod_N(A, N);\n}', 'int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N)\n{\n BIGNUM *r;\n BN_CTX *bn_ctx;\n int ret = 0;\n if (B == NULL || N == NULL || (bn_ctx = BN_CTX_new()) == NULL)\n return 0;\n if ((r = BN_new()) == NULL)\n goto err;\n if (!BN_nnmod(r, B, N, bn_ctx))\n goto err;\n ret = !BN_is_zero(r);\n err:\n BN_CTX_free(bn_ctx);\n BN_free(r);\n return ret;\n}', 'BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N)\n{\n return srp_Calc_xy(A, B, N);\n}', 'static BIGNUM *srp_Calc_xy(const BIGNUM *x, const BIGNUM *y, const BIGNUM *N)\n{\n unsigned char digest[SHA_DIGEST_LENGTH];\n unsigned char *tmp = NULL;\n int numN = BN_num_bytes(N);\n BIGNUM *res = NULL;\n if (x != N && BN_ucmp(x, N) >= 0)\n return NULL;\n if (y != N && BN_ucmp(y, N) >= 0)\n return NULL;\n if ((tmp = OPENSSL_malloc(numN * 2)) == NULL)\n goto err;\n if (BN_bn2binpad(x, tmp, numN) < 0\n || BN_bn2binpad(y, tmp + numN, numN) < 0\n || !EVP_Digest(tmp, numN * 2, digest, NULL, EVP_sha1(), NULL))\n goto err;\n res = BN_bin2bn(digest, sizeof(digest), NULL);\n err:\n OPENSSL_free(tmp);\n return res;\n}', 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BN_is_zero(const BIGNUM *a)\n{\n return a->top == 0;\n}', 'BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,\n const BIGNUM *b, const BIGNUM *N)\n{\n BIGNUM *tmp = NULL, *S = NULL;\n BN_CTX *bn_ctx;\n if (u == NULL || A == NULL || v == NULL || b == NULL || N == NULL)\n return NULL;\n if ((bn_ctx = BN_CTX_new()) == NULL || (tmp = BN_new()) == NULL)\n goto err;\n if (!BN_mod_exp(tmp, v, u, N, bn_ctx))\n goto err;\n if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))\n goto err;\n S = BN_new();\n if (S != NULL && !BN_mod_exp(S, tmp, b, N, bn_ctx)) {\n BN_free(S);\n S = NULL;\n }\n err:\n BN_CTX_free(bn_ctx);\n BN_clear_free(tmp);\n return S;\n}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n if (BN_is_odd(m)) {\n# ifdef MONT_EXP_WORD\n if (a->top == 1 && !a->neg\n && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)) {\n BN_ULONG A = a->d[0];\n ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);\n } else\n# endif\n ret = BN_mod_exp_mont(r, a, p, m, ctx, NULL);\n } else\n#endif\n#ifdef RECP_MUL_MOD\n {\n ret = BN_mod_exp_recp(r, a, p, m, ctx);\n }\n#else\n {\n ret = BN_mod_exp_simple(r, a, p, m, ctx);\n }\n#endif\n bn_check_top(r);\n return (ret);\n}', 'int BN_is_odd(const BIGNUM *a)\n{\n return (a->top > 0) && (a->d[0] & 1);\n}', 'int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n BN_MONT_CTX *mont = NULL;\n int b, bits, ret = 0;\n int r_is_one;\n BN_ULONG w, next_w;\n BIGNUM *r, *t;\n BIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n (BN_mul_word(r, (w)) && \\\n ( \\\n (BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))\n#define BN_TO_MONTGOMERY_WORD(r, w, mont) \\\n (BN_set_word(r, (w)) && BN_to_montgomery(r, r, (mont), ctx))\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n if (m->top == 1)\n a %= m->d[0];\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n if (a == 0) {\n BN_zero(rr);\n ret = 1;\n return ret;\n }\n BN_CTX_start(ctx);\n r = BN_CTX_get(ctx);\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n r_is_one = 1;\n w = a;\n for (b = bits - 2; b >= 0; b--) {\n next_w = w * w;\n if ((next_w / w) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = 1;\n }\n w = next_w;\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (BN_is_bit_set(p, b)) {\n next_w = w * a;\n if ((next_w / a) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = a;\n }\n w = next_w;\n }\n }\n if (w != 1) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n }\n if (r_is_one) {\n if (!BN_one(rr))\n goto err;\n } else {\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n }\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return (ret);\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,350 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_mont.c/#L106 | static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
{
BIGNUM *n;
BN_ULONG *ap, *np, *rp, n0, v, carry;
int nl, max, i;
n = &(mont->N);
nl = n->top;
if (nl == 0) {
ret->top = 0;
return 1;
}
max = (2 * nl);
if (bn_wexpand(r, max) == NULL)
return 0;
r->neg ^= n->neg;
np = n->d;
rp = r->d;
i = max - r->top;
if (i)
memset(&rp[r->top], 0, sizeof(*rp) * i);
r->top = max;
n0 = mont->n0[0];
for (carry = 0, i = 0; i < nl; i++, rp++) {
v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);
v = (v + carry + rp[nl]) & BN_MASK2;
carry |= (v != rp[nl]);
carry &= (v <= rp[nl]);
rp[nl] = v;
}
if (bn_wexpand(ret, nl) == NULL)
return 0;
ret->top = nl;
ret->neg = r->neg;
rp = ret->d;
ap = &(r->d[nl]);
# define BRANCH_FREE 1
# if BRANCH_FREE
{
BN_ULONG *nrp;
size_t m;
v = bn_sub_words(rp, ap, np, nl) - carry;
m = (0 - (size_t)v);
nrp =
(BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m));
for (i = 0, nl -= 4; i < nl; i += 4) {
BN_ULONG t1, t2, t3, t4;
t1 = nrp[i + 0];
t2 = nrp[i + 1];
t3 = nrp[i + 2];
ap[i + 0] = 0;
t4 = nrp[i + 3];
ap[i + 1] = 0;
rp[i + 0] = t1;
ap[i + 2] = 0;
rp[i + 1] = t2;
ap[i + 3] = 0;
rp[i + 2] = t3;
rp[i + 3] = t4;
}
for (nl += 4; i < nl; i++)
rp[i] = nrp[i], ap[i] = 0;
}
# else
if (bn_sub_words(rp, ap, np, nl) - carry)
memcpy(rp, ap, nl * sizeof(BN_ULONG));
# endif
bn_correct_top(r);
bn_correct_top(ret);
bn_check_top(ret);
return 1;
} | ['static int file_modmul(STANZA *s)\n{\n BIGNUM *a = NULL, *b = NULL, *m = NULL, *mod_mul = NULL, *ret = NULL;\n int st = 0;\n if (!TEST_ptr(a = getBN(s, "A"))\n || !TEST_ptr(b = getBN(s, "B"))\n || !TEST_ptr(m = getBN(s, "M"))\n || !TEST_ptr(mod_mul = getBN(s, "ModMul"))\n || !TEST_ptr(ret = BN_new()))\n goto err;\n if (!TEST_true(BN_mod_mul(ret, a, b, m, ctx))\n || !equalBN("A * B (mod M)", mod_mul, ret))\n goto err;\n if (BN_is_odd(m)) {\n BN_MONT_CTX *mont = BN_MONT_CTX_new();\n BIGNUM *a_tmp = BN_new();\n BIGNUM *b_tmp = BN_new();\n if (mont == NULL || a_tmp == NULL || b_tmp == NULL\n || !TEST_true(BN_MONT_CTX_set(mont, m, ctx))\n || !TEST_true(BN_nnmod(a_tmp, a, m, ctx))\n || !TEST_true(BN_nnmod(b_tmp, b, m, ctx))\n || !TEST_true(BN_to_montgomery(a_tmp, a_tmp, mont, ctx))\n || !TEST_true(BN_to_montgomery(b_tmp, b_tmp, mont, ctx))\n || !TEST_true(BN_mod_mul_montgomery(ret, a_tmp, b_tmp,\n mont, ctx))\n || !TEST_true(BN_from_montgomery(ret, ret, mont, ctx))\n || !equalBN("A * B (mod M) (mont)", mod_mul, ret))\n st = 0;\n else\n st = 1;\n BN_MONT_CTX_free(mont);\n BN_free(a_tmp);\n BN_free(b_tmp);\n if (st == 0)\n goto err;\n }\n st = 1;\nerr:\n BN_free(a);\n BN_free(b);\n BN_free(m);\n BN_free(mod_mul);\n BN_free(ret);\n return st;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);\n}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n int num = mont->N.top;\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return 1;\n }\n }\n#endif\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)\n{\n BIGNUM *n;\n BN_ULONG *ap, *np, *rp, n0, v, carry;\n int nl, max, i;\n n = &(mont->N);\n nl = n->top;\n if (nl == 0) {\n ret->top = 0;\n return 1;\n }\n max = (2 * nl);\n if (bn_wexpand(r, max) == NULL)\n return 0;\n r->neg ^= n->neg;\n np = n->d;\n rp = r->d;\n i = max - r->top;\n if (i)\n memset(&rp[r->top], 0, sizeof(*rp) * i);\n r->top = max;\n n0 = mont->n0[0];\n for (carry = 0, i = 0; i < nl; i++, rp++) {\n v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);\n v = (v + carry + rp[nl]) & BN_MASK2;\n carry |= (v != rp[nl]);\n carry &= (v <= rp[nl]);\n rp[nl] = v;\n }\n if (bn_wexpand(ret, nl) == NULL)\n return 0;\n ret->top = nl;\n ret->neg = r->neg;\n rp = ret->d;\n ap = &(r->d[nl]);\n# define BRANCH_FREE 1\n# if BRANCH_FREE\n {\n BN_ULONG *nrp;\n size_t m;\n v = bn_sub_words(rp, ap, np, nl) - carry;\n m = (0 - (size_t)v);\n nrp =\n (BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m));\n for (i = 0, nl -= 4; i < nl; i += 4) {\n BN_ULONG t1, t2, t3, t4;\n t1 = nrp[i + 0];\n t2 = nrp[i + 1];\n t3 = nrp[i + 2];\n ap[i + 0] = 0;\n t4 = nrp[i + 3];\n ap[i + 1] = 0;\n rp[i + 0] = t1;\n ap[i + 2] = 0;\n rp[i + 1] = t2;\n ap[i + 3] = 0;\n rp[i + 2] = t3;\n rp[i + 3] = t4;\n }\n for (nl += 4; i < nl; i++)\n rp[i] = nrp[i], ap[i] = 0;\n }\n# else\n if (bn_sub_words(rp, ap, np, nl) - carry)\n memcpy(rp, ap, nl * sizeof(BN_ULONG));\n# endif\n bn_correct_top(r);\n bn_correct_top(ret);\n bn_check_top(ret);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,351 | 0 | https://github.com/openssl/openssl/blob/3208ff58ca59d143b49dd2f1c05fbc33cf35e64f/crypto/lhash/lhash.c/#L278 | static void doall_util_fn(LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,
LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)
{
int i;
LHASH_NODE *a,*n;
for (i=lh->num_nodes-1; i>=0; i--)
{
a=lh->b[i];
while (a != NULL)
{
n=a->next;
if(use_arg)
func_arg(a->data,arg);
else
func(a->data);
a=n;
}
}
} | ['static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)\n\t{\n\tSSL **sslp,*ssl;\n\tBIO_SSL *bs;\n\tBIO *dbio,*bio;\n\tlong ret=1;\n\tbs=(BIO_SSL *)b->ptr;\n\tssl=bs->ssl;\n\tif ((ssl == NULL) && (cmd != BIO_C_SET_SSL))\n\t\treturn(0);\n\tswitch (cmd)\n\t\t{\n\tcase BIO_CTRL_RESET:\n\t\tSSL_shutdown(ssl);\n\t\tif (ssl->handshake_func == ssl->method->ssl_connect)\n\t\t\tSSL_set_connect_state(ssl);\n\t\telse if (ssl->handshake_func == ssl->method->ssl_accept)\n\t\t\tSSL_set_accept_state(ssl);\n\t\tSSL_clear(ssl);\n\t\tif (b->next_bio != NULL)\n\t\t\tret=BIO_ctrl(b->next_bio,cmd,num,ptr);\n\t\telse if (ssl->rbio != NULL)\n\t\t\tret=BIO_ctrl(ssl->rbio,cmd,num,ptr);\n\t\telse\n\t\t\tret=1;\n\t\tbreak;\n\tcase BIO_CTRL_INFO:\n\t\tret=0;\n\t\tbreak;\n\tcase BIO_C_SSL_MODE:\n\t\tif (num)\n\t\t\tSSL_set_connect_state(ssl);\n\t\telse\n\t\t\tSSL_set_accept_state(ssl);\n\t\tbreak;\n\tcase BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:\n\t\tret=bs->renegotiate_timeout;\n\t\tif (num < 60) num=5;\n\t\tbs->renegotiate_timeout=(unsigned long)num;\n\t\tbs->last_time=(unsigned long)time(NULL);\n\t\tbreak;\n\tcase BIO_C_SET_SSL_RENEGOTIATE_BYTES:\n\t\tret=bs->renegotiate_count;\n\t\tif ((long)num >=512)\n\t\t\tbs->renegotiate_count=(unsigned long)num;\n\t\tbreak;\n\tcase BIO_C_GET_SSL_NUM_RENEGOTIATES:\n\t\tret=bs->num_renegotiates;\n\t\tbreak;\n\tcase BIO_C_SET_SSL:\n\t\tif (ssl != NULL)\n\t\t\tssl_free(b);\n\t\tb->shutdown=(int)num;\n\t\tssl=(SSL *)ptr;\n\t\t((BIO_SSL *)b->ptr)->ssl=ssl;\n\t\tbio=SSL_get_rbio(ssl);\n\t\tif (bio != NULL)\n\t\t\t{\n\t\t\tif (b->next_bio != NULL)\n\t\t\t\tBIO_push(bio,b->next_bio);\n\t\t\tb->next_bio=bio;\n\t\t\tCRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO);\n\t\t\t}\n\t\tb->init=1;\n\t\tbreak;\n\tcase BIO_C_GET_SSL:\n\t\tif (ptr != NULL)\n\t\t\t{\n\t\t\tsslp=(SSL **)ptr;\n\t\t\t*sslp=ssl;\n\t\t\t}\n\t\telse\n\t\t\tret=0;\n\t\tbreak;\n\tcase BIO_CTRL_GET_CLOSE:\n\t\tret=b->shutdown;\n\t\tbreak;\n\tcase BIO_CTRL_SET_CLOSE:\n\t\tb->shutdown=(int)num;\n\t\tbreak;\n\tcase BIO_CTRL_WPENDING:\n\t\tret=BIO_ctrl(ssl->wbio,cmd,num,ptr);\n\t\tbreak;\n\tcase BIO_CTRL_PENDING:\n\t\tret=SSL_pending(ssl);\n\t\tif (ret == 0)\n\t\t\tret=BIO_pending(ssl->rbio);\n\t\tbreak;\n\tcase BIO_CTRL_FLUSH:\n\t\tBIO_clear_retry_flags(b);\n\t\tret=BIO_ctrl(ssl->wbio,cmd,num,ptr);\n\t\tBIO_copy_next_retry(b);\n\t\tbreak;\n\tcase BIO_CTRL_PUSH:\n\t\tif ((b->next_bio != NULL) && (b->next_bio != ssl->rbio))\n\t\t\t{\n\t\t\tSSL_set_bio(ssl,b->next_bio,b->next_bio);\n\t\t\tCRYPTO_add(&b->next_bio->references,1,CRYPTO_LOCK_BIO);\n\t\t\t}\n\t\tbreak;\n\tcase BIO_CTRL_POP:\n\t\tif (ssl->rbio != ssl->wbio)\n\t\t\t{\n\t\t\tBIO_free_all(ssl->wbio);\n\t\t\t}\n\t\tssl->wbio=NULL;\n\t\tssl->rbio=NULL;\n\t\tbreak;\n\tcase BIO_C_DO_STATE_MACHINE:\n\t\tBIO_clear_retry_flags(b);\n\t\tb->retry_reason=0;\n\t\tret=(int)SSL_do_handshake(ssl);\n\t\tswitch (SSL_get_error(ssl,(int)ret))\n\t\t\t{\n\t\tcase SSL_ERROR_WANT_READ:\n\t\t\tBIO_set_flags(b,\n\t\t\t\tBIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);\n\t\t\tbreak;\n\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\tBIO_set_flags(b,\n\t\t\t\tBIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY);\n\t\t\tbreak;\n\t\tcase SSL_ERROR_WANT_CONNECT:\n\t\t\tBIO_set_flags(b,\n\t\t\t\tBIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY);\n\t\t\tb->retry_reason=b->next_bio->retry_reason;\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tbreak;\n\t\t\t}\n\t\tbreak;\n\tcase BIO_CTRL_DUP:\n\t\tdbio=(BIO *)ptr;\n\t\tif (((BIO_SSL *)dbio->ptr)->ssl != NULL)\n\t\t\tSSL_free(((BIO_SSL *)dbio->ptr)->ssl);\n\t\t((BIO_SSL *)dbio->ptr)->ssl=SSL_dup(ssl);\n\t\t((BIO_SSL *)dbio->ptr)->renegotiate_count=\n\t\t\t((BIO_SSL *)b->ptr)->renegotiate_count;\n\t\t((BIO_SSL *)dbio->ptr)->byte_count=\n\t\t\t((BIO_SSL *)b->ptr)->byte_count;\n\t\t((BIO_SSL *)dbio->ptr)->renegotiate_timeout=\n\t\t\t((BIO_SSL *)b->ptr)->renegotiate_timeout;\n\t\t((BIO_SSL *)dbio->ptr)->last_time=\n\t\t\t((BIO_SSL *)b->ptr)->last_time;\n\t\tret=(((BIO_SSL *)dbio->ptr)->ssl != NULL);\n\t\tbreak;\n\tcase BIO_C_GET_FD:\n\t\tret=BIO_ctrl(ssl->rbio,cmd,num,ptr);\n\t\tbreak;\n\tcase BIO_CTRL_SET_CALLBACK:\n\t\t{\n#if 0\n\t\tBIOerr(SSL_F_SSL_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n\t\tret = -1;\n#else\n\t\tret=0;\n#endif\n\t\t}\n\t\tbreak;\n\tcase BIO_CTRL_GET_CALLBACK:\n\t\t{\n\t\tvoid (**fptr)();\n\t\tfptr=(void (**)())ptr;\n\t\t*fptr=SSL_get_info_callback(ssl);\n\t\t}\n\t\tbreak;\n\tdefault:\n\t\tret=BIO_ctrl(ssl->rbio,cmd,num,ptr);\n\t\tbreak;\n\t\t}\n\treturn(ret);\n\t}', 'void SSL_free(SSL *s)\n\t{\n\tint i;\n\tif(s == NULL)\n\t return;\n\ti=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);\n#ifdef REF_PRINT\n\tREF_PRINT("SSL",s);\n#endif\n\tif (i > 0) return;\n#ifdef REF_CHECK\n\tif (i < 0)\n\t\t{\n\t\tfprintf(stderr,"SSL_free, bad reference count\\n");\n\t\tabort();\n\t\t}\n#endif\n\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n\tif (s->bbio != NULL)\n\t\t{\n\t\tif (s->bbio == s->wbio)\n\t\t\t{\n\t\t\ts->wbio=BIO_pop(s->wbio);\n\t\t\t}\n\t\tBIO_free(s->bbio);\n\t\ts->bbio=NULL;\n\t\t}\n\tif (s->rbio != NULL)\n\t\tBIO_free_all(s->rbio);\n\tif ((s->wbio != NULL) && (s->wbio != s->rbio))\n\t\tBIO_free_all(s->wbio);\n\tif (s->init_buf != NULL) BUF_MEM_free(s->init_buf);\n\tif (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);\n\tif (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);\n\tif (s->session != NULL)\n\t\t{\n\t\tssl_clear_bad_session(s);\n\t\tSSL_SESSION_free(s->session);\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (s->cert != NULL) ssl_cert_free(s->cert);\n\tif (s->ctx) SSL_CTX_free(s->ctx);\n\tif (s->client_CA != NULL)\n\t\tsk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);\n\tif (s->method != NULL) s->method->ssl_free(s);\n\tOPENSSL_free(s);\n\t}', 'SSL *SSL_dup(SSL *s)\n\t{\n\tSTACK_OF(X509_NAME) *sk;\n\tX509_NAME *xn;\n\tSSL *ret;\n\tint i;\n\tif ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)\n\t return(NULL);\n\tret->version = s->version;\n\tret->type = s->type;\n\tret->method = s->method;\n\tif (s->session != NULL)\n\t\t{\n\t\tSSL_copy_session_id(ret,s);\n\t\t}\n\telse\n\t\t{\n\t\tret->method = s->method;\n\t\tret->method->ssl_new(ret);\n\t\tif (s->cert != NULL)\n\t\t\t{\n\t\t\tif (ret->cert != NULL)\n\t\t\t\t{\n\t\t\t\tssl_cert_free(ret->cert);\n\t\t\t\t}\n\t\t\tret->cert = ssl_cert_dup(s->cert);\n\t\t\tif (ret->cert == NULL)\n\t\t\t\tgoto err;\n\t\t\t}\n\t\tSSL_set_session_id_context(ret,\n\t\t\ts->sid_ctx, s->sid_ctx_length);\n\t\t}\n\tret->options=s->options;\n\tret->mode=s->mode;\n\tSSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));\n\tSSL_set_read_ahead(ret,SSL_get_read_ahead(s));\n\tret->msg_callback = s->msg_callback;\n\tret->msg_callback_arg = s->msg_callback_arg;\n\tSSL_set_verify(ret,SSL_get_verify_mode(s),\n\t\tSSL_get_verify_callback(s));\n\tSSL_set_verify_depth(ret,SSL_get_verify_depth(s));\n\tret->generate_session_id = s->generate_session_id;\n\tSSL_set_info_callback(ret,SSL_get_info_callback(s));\n\tret->debug=s->debug;\n\tif (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))\n\t\tgoto err;\n\tif (s->rbio != NULL)\n\t\t{\n\t\tif (!BIO_dup_state(s->rbio,(char *)&ret->rbio))\n\t\t\tgoto err;\n\t\t}\n\tif (s->wbio != NULL)\n\t\t{\n\t\tif (s->wbio != s->rbio)\n\t\t\t{\n\t\t\tif (!BIO_dup_state(s->wbio,(char *)&ret->wbio))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\telse\n\t\t\tret->wbio=ret->rbio;\n\t\t}\n\tret->rwstate = s->rwstate;\n\tret->in_handshake = s->in_handshake;\n\tret->handshake_func = s->handshake_func;\n\tret->server = s->server;\n\tret->new_session = s->new_session;\n\tret->quiet_shutdown = s->quiet_shutdown;\n\tret->shutdown=s->shutdown;\n\tret->state=s->state;\n\tret->rstate=s->rstate;\n\tret->init_num = 0;\n\tret->hit=s->hit;\n\tret->purpose=s->purpose;\n\tret->trust=s->trust;\n\tif (s->cipher_list != NULL)\n\t\t{\n\t\tif ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)\n\t\t\tgoto err;\n\t\t}\n\tif (s->cipher_list_by_id != NULL)\n\t\tif ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))\n\t\t\t== NULL)\n\t\t\tgoto err;\n\tif (s->client_CA != NULL)\n\t\t{\n\t\tif ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;\n\t\tret->client_CA=sk;\n\t\tfor (i=0; i<sk_X509_NAME_num(sk); i++)\n\t\t\t{\n\t\t\txn=sk_X509_NAME_value(sk,i);\n\t\t\tif (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)\n\t\t\t\t{\n\t\t\t\tX509_NAME_free(xn);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (0)\n\t\t{\nerr:\n\t\tif (ret != NULL) SSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)OPENSSL_malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n#ifndef\tOPENSSL_NO_KRB5\n\ts->kssl_ctx = kssl_ctx_new();\n#endif\n\ts->options=ctx->options;\n\ts->mode=ctx->mode;\n\ts->max_cert_list=ctx->max_cert_list;\n\tif (ctx->cert != NULL)\n\t\t{\n\t\ts->cert = ssl_cert_dup(ctx->cert);\n\t\tif (s->cert == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->read_ahead=ctx->read_ahead;\n\ts->msg_callback=ctx->msg_callback;\n\ts->msg_callback_arg=ctx->msg_callback_arg;\n\ts->verify_mode=ctx->verify_mode;\n\ts->verify_depth=ctx->verify_depth;\n\ts->sid_ctx_length=ctx->sid_ctx_length;\n\tmemcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));\n\ts->verify_callback=ctx->default_verify_callback;\n\ts->generate_session_id=ctx->generate_session_id;\n\ts->purpose = ctx->purpose;\n\ts->trust = ctx->trust;\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\tgoto err;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n\treturn(s);\nerr:\n\tif (s != NULL)\n\t\t{\n\t\tif (s->cert != NULL)\n\t\t\tssl_cert_free(s->cert);\n\t\tif (s->ctx != NULL)\n\t\t\tSSL_CTX_free(s->ctx);\n\t\tOPENSSL_free(s);\n\t\t}\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'void SSL_CTX_free(SSL_CTX *a)\n\t{\n\tint i;\n\tif (a == NULL) return;\n\ti=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);\n#ifdef REF_PRINT\n\tREF_PRINT("SSL_CTX",a);\n#endif\n\tif (i > 0) return;\n#ifdef REF_CHECK\n\tif (i < 0)\n\t\t{\n\t\tfprintf(stderr,"SSL_CTX_free, bad reference count\\n");\n\t\tabort();\n\t\t}\n#endif\n\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n\tif (a->sessions != NULL)\n\t\t{\n\t\tSSL_CTX_flush_sessions(a,0);\n\t\tlh_free(a->sessions);\n\t\t}\n\tif (a->cert_store != NULL)\n\t\tX509_STORE_free(a->cert_store);\n\tif (a->cipher_list != NULL)\n\t\tsk_SSL_CIPHER_free(a->cipher_list);\n\tif (a->cipher_list_by_id != NULL)\n\t\tsk_SSL_CIPHER_free(a->cipher_list_by_id);\n\tif (a->cert != NULL)\n\t\tssl_cert_free(a->cert);\n\tif (a->client_CA != NULL)\n\t\tsk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);\n\tif (a->extra_certs != NULL)\n\t\tsk_X509_pop_free(a->extra_certs,X509_free);\n#if 0\n\tif (a->comp_methods != NULL)\n\t\tsk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);\n#else\n\ta->comp_methods = NULL;\n#endif\n\tOPENSSL_free(a);\n\t}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n\t{\n\tunsigned long i;\n\tTIMEOUT_PARAM tp;\n\ttp.ctx=s;\n\ttp.cache=s->sessions;\n\tif (tp.cache == NULL) return;\n\ttp.time=t;\n\tCRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\ti=tp.cache->down_load;\n\ttp.cache->down_load=0;\n\tlh_doall_arg(tp.cache, LHASH_DOALL_ARG_FN(timeout), &tp);\n\ttp.cache->down_load=i;\n\tCRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t}', 'void lh_doall_arg(LHASH *lh, LHASH_DOALL_ARG_FN_TYPE func, void *arg)\n\t{\n\tdoall_util_fn(lh, 1, (LHASH_DOALL_FN_TYPE)0, func, arg);\n\t}', 'static void doall_util_fn(LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,\n\t\t\t LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)\n\t{\n\tint i;\n\tLHASH_NODE *a,*n;\n\tfor (i=lh->num_nodes-1; i>=0; i--)\n\t\t{\n\t\ta=lh->b[i];\n\t\twhile (a != NULL)\n\t\t\t{\n\t\t\tn=a->next;\n\t\t\tif(use_arg)\n\t\t\t\tfunc_arg(a->data,arg);\n\t\t\telse\n\t\t\t\tfunc(a->data);\n\t\t\ta=n;\n\t\t\t}\n\t\t}\n\t}'] |
16,352 | 0 | https://github.com/libav/libav/blob/64ba831da99c5526b21d510397b449742e92961e/libavformat/utils.c/#L1363 | int ff_seek_frame_binary(AVFormatContext *s, int stream_index,
int64_t target_ts, int flags)
{
AVInputFormat *avif = s->iformat;
int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
int64_t ts_min, ts_max, ts;
int index;
int64_t ret;
AVStream *st;
if (stream_index < 0)
return -1;
av_dlog(s, "read_seek: %d %"PRId64"\n", stream_index, target_ts);
ts_max =
ts_min = AV_NOPTS_VALUE;
pos_limit = -1;
st = s->streams[stream_index];
if (st->index_entries) {
AVIndexEntry *e;
index = av_index_search_timestamp(st, target_ts,
flags | AVSEEK_FLAG_BACKWARD);
index = FFMAX(index, 0);
e = &st->index_entries[index];
if (e->timestamp <= target_ts || e->pos == e->min_distance) {
pos_min = e->pos;
ts_min = e->timestamp;
av_dlog(s, "using cached pos_min=0x%"PRIx64" dts_min=%"PRId64"\n",
pos_min, ts_min);
} else {
assert(index == 0);
}
index = av_index_search_timestamp(st, target_ts,
flags & ~AVSEEK_FLAG_BACKWARD);
assert(index < st->nb_index_entries);
if (index >= 0) {
e = &st->index_entries[index];
assert(e->timestamp >= target_ts);
pos_max = e->pos;
ts_max = e->timestamp;
pos_limit = pos_max - e->min_distance;
av_dlog(s, "using cached pos_max=0x%"PRIx64" pos_limit=0x%"PRIx64
" dts_max=%"PRId64"\n", pos_max, pos_limit, ts_max);
}
}
pos = ff_gen_search(s, stream_index, target_ts, pos_min, pos_max, pos_limit,
ts_min, ts_max, flags, &ts, avif->read_timestamp);
if (pos < 0)
return -1;
if ((ret = avio_seek(s->pb, pos, SEEK_SET)) < 0)
return ret;
ff_update_cur_dts(s, st, ts);
return 0;
} | ['int ff_seek_frame_binary(AVFormatContext *s, int stream_index,\n int64_t target_ts, int flags)\n{\n AVInputFormat *avif = s->iformat;\n int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;\n int64_t ts_min, ts_max, ts;\n int index;\n int64_t ret;\n AVStream *st;\n if (stream_index < 0)\n return -1;\n av_dlog(s, "read_seek: %d %"PRId64"\\n", stream_index, target_ts);\n ts_max =\n ts_min = AV_NOPTS_VALUE;\n pos_limit = -1;\n st = s->streams[stream_index];\n if (st->index_entries) {\n AVIndexEntry *e;\n index = av_index_search_timestamp(st, target_ts,\n flags | AVSEEK_FLAG_BACKWARD);\n index = FFMAX(index, 0);\n e = &st->index_entries[index];\n if (e->timestamp <= target_ts || e->pos == e->min_distance) {\n pos_min = e->pos;\n ts_min = e->timestamp;\n av_dlog(s, "using cached pos_min=0x%"PRIx64" dts_min=%"PRId64"\\n",\n pos_min, ts_min);\n } else {\n assert(index == 0);\n }\n index = av_index_search_timestamp(st, target_ts,\n flags & ~AVSEEK_FLAG_BACKWARD);\n assert(index < st->nb_index_entries);\n if (index >= 0) {\n e = &st->index_entries[index];\n assert(e->timestamp >= target_ts);\n pos_max = e->pos;\n ts_max = e->timestamp;\n pos_limit = pos_max - e->min_distance;\n av_dlog(s, "using cached pos_max=0x%"PRIx64" pos_limit=0x%"PRIx64\n " dts_max=%"PRId64"\\n", pos_max, pos_limit, ts_max);\n }\n }\n pos = ff_gen_search(s, stream_index, target_ts, pos_min, pos_max, pos_limit,\n ts_min, ts_max, flags, &ts, avif->read_timestamp);\n if (pos < 0)\n return -1;\n if ((ret = avio_seek(s->pb, pos, SEEK_SET)) < 0)\n return ret;\n ff_update_cur_dts(s, st, ts);\n return 0;\n}'] |
16,353 | 0 | https://github.com/libav/libav/blob/124c21d79f2124d028890022e98ea853a834a964/libavcodec/h264.c/#L6417 | static void av_always_inline filter_mb_dir(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int mb_xy, int mb_type, int mvy_limit, int first_vertical_edge_done, int dir) {
MpegEncContext * const s = &h->s;
int edge;
const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
const int mbm_type = s->current_picture.mb_type[mbm_xy];
int (*ref2frm) [64] = h->ref2frm[ h->slice_num &(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
int (*ref2frmm)[64] = h->ref2frm[ h->slice_table[mbm_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
int start = h->slice_table[mbm_xy] == 0xFFFF ? 1 : 0;
const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
== (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
(mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
if (first_vertical_edge_done) {
start = 1;
}
if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
start = 1;
if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
&& !IS_INTERLACED(mb_type)
&& IS_INTERLACED(mbm_type)
) {
static const int nnz_idx[4] = {4,5,6,3};
unsigned int tmp_linesize = 2 * linesize;
unsigned int tmp_uvlinesize = 2 * uvlinesize;
int mbn_xy = mb_xy - 2 * s->mb_stride;
int qp;
int i, j;
int16_t bS[4];
for(j=0; j<2; j++, mbn_xy += s->mb_stride){
if( IS_INTRA(mb_type) ||
IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
bS[0] = bS[1] = bS[2] = bS[3] = 3;
} else {
const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];
for( i = 0; i < 4; i++ ) {
if( h->non_zero_count_cache[scan8[0]+i] != 0 ||
mbn_nnz[nnz_idx[i]] != 0 )
bS[i] = 2;
else
bS[i] = 1;
}
}
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
}
start = 1;
}
for( edge = start; edge < edges; edge++ ) {
const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
const int mbn_type = s->current_picture.mb_type[mbn_xy];
int (*ref2frmn)[64] = edge > 0 ? ref2frm : ref2frmm;
int16_t bS[4];
int qp;
if( (edge&1) && IS_8x8DCT(mb_type) )
continue;
if( IS_INTRA(mb_type) ||
IS_INTRA(mbn_type) ) {
int value;
if (edge == 0) {
if ( (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
|| ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
) {
value = 4;
} else {
value = 3;
}
} else {
value = 3;
}
bS[0] = bS[1] = bS[2] = bS[3] = value;
} else {
int i, l;
int mv_done;
if( edge & mask_edge ) {
bS[0] = bS[1] = bS[2] = bS[3] = 0;
mv_done = 1;
}
else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
bS[0] = bS[1] = bS[2] = bS[3] = 1;
mv_done = 1;
}
else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
int b_idx= 8 + 4 + edge * (dir ? 8:1);
int bn_idx= b_idx - (dir ? 8:1);
int v = 0;
for( l = 0; !v && l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {
v |= ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[l][h->ref_cache[l][bn_idx]] ||
FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
}
if(h->slice_type_nos == FF_B_TYPE && v){
v=0;
for( l = 0; !v && l < 2; l++ ) {
int ln= 1-l;
v |= ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[ln][h->ref_cache[ln][bn_idx]] ||
FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] ) >= 4 ||
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;
}
}
bS[0] = bS[1] = bS[2] = bS[3] = v;
mv_done = 1;
}
else
mv_done = 0;
for( i = 0; i < 4; i++ ) {
int x = dir == 0 ? edge : i;
int y = dir == 0 ? i : edge;
int b_idx= 8 + 4 + x + 8*y;
int bn_idx= b_idx - (dir ? 8:1);
if( h->non_zero_count_cache[b_idx] |
h->non_zero_count_cache[bn_idx] ) {
bS[i] = 2;
}
else if(!mv_done)
{
bS[i] = 0;
for( l = 0; l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {
if( ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[l][h->ref_cache[l][bn_idx]] ||
FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
bS[i] = 1;
break;
}
}
if(h->slice_type_nos == FF_B_TYPE && bS[i]){
bS[i] = 0;
for( l = 0; l < 2; l++ ) {
int ln= 1-l;
if( ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[ln][h->ref_cache[ln][bn_idx]] ||
FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] ) >= 4 ||
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {
bS[i] = 1;
break;
}
}
}
}
}
if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
continue;
}
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
if( dir == 0 ) {
filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
if( (edge&1) == 0 ) {
filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS,
( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS,
( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
}
} else {
filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
if( (edge&1) == 0 ) {
filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS,
( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS,
( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
}
}
}
} | ['static void av_always_inline filter_mb_dir(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int mb_xy, int mb_type, int mvy_limit, int first_vertical_edge_done, int dir) {\n MpegEncContext * const s = &h->s;\n int edge;\n const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;\n const int mbm_type = s->current_picture.mb_type[mbm_xy];\n int (*ref2frm) [64] = h->ref2frm[ h->slice_num &(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);\n int (*ref2frmm)[64] = h->ref2frm[ h->slice_table[mbm_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);\n int start = h->slice_table[mbm_xy] == 0xFFFF ? 1 : 0;\n const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))\n == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;\n const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :\n (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;\n const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));\n if (first_vertical_edge_done) {\n start = 1;\n }\n if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])\n start = 1;\n if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0\n && !IS_INTERLACED(mb_type)\n && IS_INTERLACED(mbm_type)\n ) {\n static const int nnz_idx[4] = {4,5,6,3};\n unsigned int tmp_linesize = 2 * linesize;\n unsigned int tmp_uvlinesize = 2 * uvlinesize;\n int mbn_xy = mb_xy - 2 * s->mb_stride;\n int qp;\n int i, j;\n int16_t bS[4];\n for(j=0; j<2; j++, mbn_xy += s->mb_stride){\n if( IS_INTRA(mb_type) ||\n IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {\n bS[0] = bS[1] = bS[2] = bS[3] = 3;\n } else {\n const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];\n for( i = 0; i < 4; i++ ) {\n if( h->non_zero_count_cache[scan8[0]+i] != 0 ||\n mbn_nnz[nnz_idx[i]] != 0 )\n bS[i] = 2;\n else\n bS[i] = 1;\n }\n }\n qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;\n tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);\n { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\\n"); }\n filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );\n filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS,\n ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);\n filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS,\n ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);\n }\n start = 1;\n }\n for( edge = start; edge < edges; edge++ ) {\n const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;\n const int mbn_type = s->current_picture.mb_type[mbn_xy];\n int (*ref2frmn)[64] = edge > 0 ? ref2frm : ref2frmm;\n int16_t bS[4];\n int qp;\n if( (edge&1) && IS_8x8DCT(mb_type) )\n continue;\n if( IS_INTRA(mb_type) ||\n IS_INTRA(mbn_type) ) {\n int value;\n if (edge == 0) {\n if ( (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))\n || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))\n ) {\n value = 4;\n } else {\n value = 3;\n }\n } else {\n value = 3;\n }\n bS[0] = bS[1] = bS[2] = bS[3] = value;\n } else {\n int i, l;\n int mv_done;\n if( edge & mask_edge ) {\n bS[0] = bS[1] = bS[2] = bS[3] = 0;\n mv_done = 1;\n }\n else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {\n bS[0] = bS[1] = bS[2] = bS[3] = 1;\n mv_done = 1;\n }\n else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {\n int b_idx= 8 + 4 + edge * (dir ? 8:1);\n int bn_idx= b_idx - (dir ? 8:1);\n int v = 0;\n for( l = 0; !v && l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {\n v |= ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[l][h->ref_cache[l][bn_idx]] ||\n FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||\n FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;\n }\n if(h->slice_type_nos == FF_B_TYPE && v){\n v=0;\n for( l = 0; !v && l < 2; l++ ) {\n int ln= 1-l;\n v |= ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[ln][h->ref_cache[ln][bn_idx]] ||\n FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] ) >= 4 ||\n FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;\n }\n }\n bS[0] = bS[1] = bS[2] = bS[3] = v;\n mv_done = 1;\n }\n else\n mv_done = 0;\n for( i = 0; i < 4; i++ ) {\n int x = dir == 0 ? edge : i;\n int y = dir == 0 ? i : edge;\n int b_idx= 8 + 4 + x + 8*y;\n int bn_idx= b_idx - (dir ? 8:1);\n if( h->non_zero_count_cache[b_idx] |\n h->non_zero_count_cache[bn_idx] ) {\n bS[i] = 2;\n }\n else if(!mv_done)\n {\n bS[i] = 0;\n for( l = 0; l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {\n if( ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[l][h->ref_cache[l][bn_idx]] ||\n FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||\n FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {\n bS[i] = 1;\n break;\n }\n }\n if(h->slice_type_nos == FF_B_TYPE && bS[i]){\n bS[i] = 0;\n for( l = 0; l < 2; l++ ) {\n int ln= 1-l;\n if( ref2frm[l][h->ref_cache[l][b_idx]] != ref2frmn[ln][h->ref_cache[ln][bn_idx]] ||\n FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] ) >= 4 ||\n FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {\n bS[i] = 1;\n break;\n }\n }\n }\n }\n }\n if(bS[0]+bS[1]+bS[2]+bS[3] == 0)\n continue;\n }\n qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;\n tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);\n { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\\n"); }\n if( dir == 0 ) {\n filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );\n if( (edge&1) == 0 ) {\n filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS,\n ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);\n filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS,\n ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);\n }\n } else {\n filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );\n if( (edge&1) == 0 ) {\n filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS,\n ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);\n filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS,\n ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);\n }\n }\n }\n}'] |
16,354 | 0 | https://github.com/openssl/openssl/blob/a4af39ac4482355ffdd61fb61231a0c79b96997b/crypto/x509/x509_lu.c/#L108 | int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
{
if (ctx->method == NULL) return(0);
if (ctx->method->shutdown != NULL)
return(ctx->method->shutdown(ctx));
else
return(1);
} | ['void X509_STORE_free(X509_STORE *vfy)\n\t{\n\tint i;\n\tSTACK_OF(X509_LOOKUP) *sk;\n\tX509_LOOKUP *lu;\n\tif(vfy == NULL)\n\t return;\n\tsk=vfy->get_cert_methods;\n\tfor (i=0; i<sk_X509_LOOKUP_num(sk); i++)\n\t\t{\n\t\tlu=sk_X509_LOOKUP_value(sk,i);\n\t\tX509_LOOKUP_shutdown(lu);\n\t\tX509_LOOKUP_free(lu);\n\t\t}\n\tsk_X509_LOOKUP_free(sk);\n\tCRYPTO_free_ex_data(x509_store_meth,(char *)vfy,&vfy->ex_data);\n\tlh_doall(vfy->certs,cleanup);\n\tlh_free(vfy->certs);\n\tFree(vfy);\n\t}', 'void X509_LOOKUP_free(X509_LOOKUP *ctx)\n\t{\n\tif (ctx == NULL) return;\n\tif (\t(ctx->method != NULL) &&\n\t\t(ctx->method->free != NULL))\n\t\tctx->method->free(ctx);\n\tFree(ctx);\n\t}', 'int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)\n\t{\n\tif (ctx->method == NULL) return(0);\n\tif (ctx->method->shutdown != NULL)\n\t\treturn(ctx->method->shutdown(ctx));\n\telse\n\t\treturn(1);\n\t}'] |
16,355 | 0 | https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/bn/bn_lib.c/#L470 | BIGNUM *bn_expand2(BIGNUM *b, int words)
{
BN_ULONG *A,*a;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > b->max)
{
bn_check_top(b);
if (BN_get_flags(b,BN_FLG_STATIC_DATA))
{
BNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return(NULL);
}
a=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));
if (A == NULL)
{
BNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);
return(NULL);
}
#if 1
B=b->d;
if (B != NULL)
{
#if 0
for (i=b->top&(~7); i>0; i-=8)
{
A[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];
A[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];
A+=8;
B+=8;
}
switch (b->top&7)
{
case 7:
A[6]=B[6];
case 6:
A[5]=B[5];
case 5:
A[4]=B[4];
case 4:
A[3]=B[3];
case 3:
A[2]=B[2];
case 2:
A[1]=B[1];
case 1:
A[0]=B[0];
case 0:
;
}
#else
for (i=b->top>>2; i>0; i--,A+=4,B+=4)
{
BN_ULONG a0,a1,a2,a3;
a0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];
A[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;
}
switch (b->top&3)
{
case 3: A[2]=B[2];
case 2: A[1]=B[1];
case 1: A[0]=B[0];
case 0: ;
}
#endif
Free(b->d);
}
b->d=a;
b->max=words;
A= &(b->d[b->top]);
for (i=(b->max - b->top)>>3; i>0; i--,A+=8)
{
A[0]=0; A[1]=0; A[2]=0; A[3]=0;
A[4]=0; A[5]=0; A[6]=0; A[7]=0;
}
for (i=(b->max - b->top)&7; i>0; i--,A++)
A[0]=0;
#else
memset(A,0,sizeof(BN_ULONG)*(words+1));
memcpy(A,b->d,sizeof(b->d[0])*b->top);
b->d=a;
b->max=words;
#endif
}
return(b);
} | ['RSA *RSA_generate_key(int bits, unsigned long e_value,\n\t void (*callback)(int,int,char *), char *cb_arg)\n\t{\n\tRSA *rsa=NULL;\n\tBIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL,*tmp;\n\tint bitsp,bitsq,ok= -1,n=0,i;\n\tBN_CTX *ctx=NULL,*ctx2=NULL;\n\tctx=BN_CTX_new();\n\tif (ctx == NULL) goto err;\n\tctx2=BN_CTX_new();\n\tif (ctx2 == NULL) goto err;\n\tr0= &(ctx->bn[0]);\n\tr1= &(ctx->bn[1]);\n\tr2= &(ctx->bn[2]);\n\tr3= &(ctx->bn[3]);\n\tctx->tos+=4;\n\tbitsp=(bits+1)/2;\n\tbitsq=bits-bitsp;\n\trsa=RSA_new();\n\tif (rsa == NULL) goto err;\n\trsa->e=BN_new();\n\tif (rsa->e == NULL) goto err;\n#if 1\n\tfor (i=0; i<sizeof(unsigned long)*8; i++)\n\t\t{\n\t\tif (e_value & (1<<i))\n\t\t\tBN_set_bit(rsa->e,i);\n\t\t}\n#else\n\tif (!BN_set_word(rsa->e,e_value)) goto err;\n#endif\n\tfor (;;)\n\t\t{\n\t\trsa->p=BN_generate_prime(NULL,bitsp,0,NULL,NULL,callback,cb_arg);\n\t\tif (rsa->p == NULL) goto err;\n\t\tif (!BN_sub(r2,rsa->p,BN_value_one())) goto err;\n\t\tif (!BN_gcd(r1,r2,rsa->e,ctx)) goto err;\n\t\tif (BN_is_one(r1)) break;\n\t\tif (callback != NULL) callback(2,n++,cb_arg);\n\t\tBN_free(rsa->p);\n\t\t}\n\tif (callback != NULL) callback(3,0,cb_arg);\n\tfor (;;)\n\t\t{\n\t\trsa->q=BN_generate_prime(NULL,bitsq,0,NULL,NULL,callback,cb_arg);\n\t\tif (rsa->q == NULL) goto err;\n\t\tif (!BN_sub(r2,rsa->q,BN_value_one())) goto err;\n\t\tif (!BN_gcd(r1,r2,rsa->e,ctx)) goto err;\n\t\tif (BN_is_one(r1) && (BN_cmp(rsa->p,rsa->q) != 0))\n\t\t\tbreak;\n\t\tif (callback != NULL) callback(2,n++,cb_arg);\n\t\tBN_free(rsa->q);\n\t\t}\n\tif (callback != NULL) callback(3,1,cb_arg);\n\tif (BN_cmp(rsa->p,rsa->q) < 0)\n\t\t{\n\t\ttmp=rsa->p;\n\t\trsa->p=rsa->q;\n\t\trsa->q=tmp;\n\t\t}\n\trsa->n=BN_new();\n\tif (rsa->n == NULL) goto err;\n\tif (!BN_mul(rsa->n,rsa->p,rsa->q,ctx)) goto err;\n\tif (!BN_sub(r1,rsa->p,BN_value_one())) goto err;\n\tif (!BN_sub(r2,rsa->q,BN_value_one())) goto err;\n\tif (!BN_mul(r0,r1,r2,ctx)) goto err;\n\trsa->d=(BIGNUM *)BN_mod_inverse(NULL,rsa->e,r0,ctx2);\n\tif (rsa->d == NULL) goto err;\n\trsa->dmp1=BN_new();\n\tif (rsa->dmp1 == NULL) goto err;\n\tif (!BN_mod(rsa->dmp1,rsa->d,r1,ctx)) goto err;\n\trsa->dmq1=BN_new();\n\tif (rsa->dmq1 == NULL) goto err;\n\tif (!BN_mod(rsa->dmq1,rsa->d,r2,ctx)) goto err;\n\trsa->iqmp=BN_mod_inverse(NULL,rsa->q,rsa->p,ctx2);\n\tif (rsa->iqmp == NULL) goto err;\n\tok=1;\nerr:\n\tif (ok == -1)\n\t\t{\n\t\tRSAerr(RSA_F_RSA_GENERATE_KEY,ERR_LIB_BN);\n\t\tok=0;\n\t\t}\n\tBN_CTX_free(ctx);\n\tBN_CTX_free(ctx2);\n\tif (!ok)\n\t\t{\n\t\tif (rsa != NULL) RSA_free(rsa);\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\treturn(rsa);\n\t}', 'BIGNUM *BN_new(void)\n\t{\n\tBIGNUM *ret;\n\tif ((ret=(BIGNUM *)Malloc(sizeof(BIGNUM))) == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tret->flags=BN_FLG_MALLOCED;\n\tret->top=0;\n\tret->neg=0;\n\tret->max=0;\n\tret->d=NULL;\n\treturn(ret);\n\t}', 'int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint top,al,bl;\n\tBIGNUM *rr;\n#ifdef BN_RECURSION\n\tBIGNUM *t;\n\tint i,j,k;\n#endif\n#ifdef BN_COUNT\nprintf("BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tr->neg=a->neg^b->neg;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tif ((r == a) || (r == b))\n\t\trr= &(ctx->bn[ctx->tos+1]);\n\telse\n\t\trr=r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tif (al == bl)\n\t\t{\n# ifdef BN_MUL_COMBA\n if (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) return(0);\n\t\t\tr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n# endif\n#ifdef BN_RECURSION\n\t\tif (al < BN_MULL_SIZE_NORMAL)\n#endif\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,top) == NULL) return(0);\n\t\t\trr->top=top;\n\t\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\t\tgoto end;\n\t\t\t}\n# ifdef BN_RECURSION\n\t\tgoto symetric;\n# endif\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\telse if ((al < BN_MULL_SIZE_NORMAL) || (bl < BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (bn_wexpand(rr,top) == NULL) return(0);\n\t\trr->top=top;\n\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\tgoto end;\n\t\t}\n\telse\n\t\t{\n\t\ti=(al-bl);\n\t\tif ((i == 1) && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(b,al);\n\t\t\tb->d[bl]=0;\n\t\t\tbl++;\n\t\t\tgoto symetric;\n\t\t\t}\n\t\telse if ((i == -1) && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(a,bl);\n\t\t\ta->d[al]=0;\n\t\t\tal++;\n\t\t\tgoto symetric;\n\t\t\t}\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) return(0);\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#ifdef BN_RECURSION\n\tif (0)\n\t\t{\nsymetric:\n\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\tj=1<<(j-1);\n\t\tk=j+j;\n\t\tt= &(ctx->bn[ctx->tos]);\n\t\tif (al == j)\n\t\t\t{\n\t\t\tbn_wexpand(t,k*2);\n\t\t\tbn_wexpand(rr,k*2);\n\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbn_wexpand(a,k);\n\t\t\tbn_wexpand(b,k);\n\t\t\tbn_wexpand(t,k*4);\n\t\t\tbn_wexpand(rr,k*4);\n\t\t\tfor (i=a->top; i<k; i++)\n\t\t\t\ta->d[i]=0;\n\t\t\tfor (i=b->top; i<k; i++)\n\t\t\t\tb->d[i]=0;\n\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t}\n\t\trr->top=top;\n\t\t}\n#endif\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_fix_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\treturn(1);\n\t}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n\t{\n\tint i,n;\n\tif (bn_expand(a,sizeof(BN_ULONG)*8) == NULL) return(0);\n\tn=sizeof(BN_ULONG)/BN_BYTES;\n\ta->neg=0;\n\ta->top=0;\n\ta->d[0]=(BN_ULONG)w&BN_MASK2;\n\tif (a->d[0] != 0) a->top=1;\n\tfor (i=1; i<n; i++)\n\t\t{\n#ifndef SIXTY_FOUR_BIT\n\t\tw>>=BN_BITS4;\n\t\tw>>=BN_BITS4;\n#else\n\t\tw=0;\n#endif\n\t\ta->d[i]=(BN_ULONG)w&BN_MASK2;\n\t\tif (a->d[i] != 0) a->top=i+1;\n\t\t}\n\treturn(1);\n\t}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n\t{\n\tBN_ULONG *A,*a;\n\tconst BN_ULONG *B;\n\tint i;\n\tbn_check_top(b);\n\tif (words > b->max)\n\t\t{\n\t\tbn_check_top(b);\n\t\tif (BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\ta=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));\n\t\tif (A == NULL)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);\n\t\t\treturn(NULL);\n\t\t\t}\n#if 1\n\t\tB=b->d;\n\t\tif (B != NULL)\n\t\t\t{\n#if 0\n\t\t\tfor (i=b->top&(~7); i>0; i-=8)\n\t\t\t\t{\n\t\t\t\tA[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];\n\t\t\t\tA[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];\n\t\t\t\tA+=8;\n\t\t\t\tB+=8;\n\t\t\t\t}\n\t\t\tswitch (b->top&7)\n\t\t\t\t{\n\t\t\tcase 7:\n\t\t\t\tA[6]=B[6];\n\t\t\tcase 6:\n\t\t\t\tA[5]=B[5];\n\t\t\tcase 5:\n\t\t\t\tA[4]=B[4];\n\t\t\tcase 4:\n\t\t\t\tA[3]=B[3];\n\t\t\tcase 3:\n\t\t\t\tA[2]=B[2];\n\t\t\tcase 2:\n\t\t\t\tA[1]=B[1];\n\t\t\tcase 1:\n\t\t\t\tA[0]=B[0];\n\t\t\tcase 0:\n\t\t\t\t;\n\t\t\t\t}\n#else\n\t\t\tfor (i=b->top>>2; i>0; i--,A+=4,B+=4)\n\t\t\t\t{\n\t\t\t\tBN_ULONG a0,a1,a2,a3;\n\t\t\t\ta0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];\n\t\t\t\tA[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;\n\t\t\t\t}\n\t\t\tswitch (b->top&3)\n\t\t\t\t{\n\t\t\t\tcase 3:\tA[2]=B[2];\n\t\t\t\tcase 2:\tA[1]=B[1];\n\t\t\t\tcase 1:\tA[0]=B[0];\n\t\t\t\tcase 0:\t;\n\t\t\t\t}\n#endif\n\t\t\tFree(b->d);\n\t\t\t}\n\t\tb->d=a;\n\t\tb->max=words;\n\t\tA= &(b->d[b->top]);\n\t\tfor (i=(b->max - b->top)>>3; i>0; i--,A+=8)\n\t\t\t{\n\t\t\tA[0]=0; A[1]=0; A[2]=0; A[3]=0;\n\t\t\tA[4]=0; A[5]=0; A[6]=0; A[7]=0;\n\t\t\t}\n\t\tfor (i=(b->max - b->top)&7; i>0; i--,A++)\n\t\t\tA[0]=0;\n#else\n\t\t\tmemset(A,0,sizeof(BN_ULONG)*(words+1));\n\t\t\tmemcpy(A,b->d,sizeof(b->d[0])*b->top);\n\t\t\tb->d=a;\n\t\t\tb->max=words;\n#endif\n\t\t}\n\treturn(b);\n\t}'] |
16,356 | 0 | https://github.com/libav/libav/blob/1c6d2bb9a9279d8df4e8bcdc1e1e2741723dc7c9/libavcodec/twinvq.c/#L621 | static void transpose_perm(int16_t *out, int16_t *in, int num_vect,
const uint8_t line_len[2], int length_div)
{
int i, j;
int cont = 0;
for (i = 0; i < num_vect; i++)
for (j = 0; j < line_len[i >= length_div]; j++)
out[cont++] = in[j * num_vect + i];
} | ['static av_cold void init_bitstream_params(TwinVQContext *tctx)\n{\n const TwinVQModeTab *mtab = tctx->mtab;\n int n_ch = tctx->avctx->channels;\n int total_fr_bits = tctx->avctx->bit_rate * mtab->size /\n tctx->avctx->sample_rate;\n int lsp_bits_per_block = n_ch * (mtab->lsp_bit0 + mtab->lsp_bit1 +\n mtab->lsp_split * mtab->lsp_bit2);\n int ppc_bits = n_ch * (mtab->pgain_bit + mtab->ppc_shape_bit +\n mtab->ppc_period_bit);\n int bsize_no_main_cb[3], bse_bits[3], i;\n enum TwinVQFrameType frametype;\n for (i = 0; i < 3; i++)\n bse_bits[i] = n_ch *\n (mtab->fmode[i].bark_n_coef *\n mtab->fmode[i].bark_n_bit + 1);\n bsize_no_main_cb[2] = bse_bits[2] + lsp_bits_per_block + ppc_bits +\n TWINVQ_WINDOW_TYPE_BITS + n_ch * TWINVQ_GAIN_BITS;\n for (i = 0; i < 2; i++)\n bsize_no_main_cb[i] =\n lsp_bits_per_block + n_ch * TWINVQ_GAIN_BITS +\n TWINVQ_WINDOW_TYPE_BITS +\n mtab->fmode[i].sub * (bse_bits[i] + n_ch * TWINVQ_SUB_GAIN_BITS);\n for (i = 0; i < 4; i++) {\n int bit_size, vect_size;\n int rounded_up, rounded_down, num_rounded_down, num_rounded_up;\n if (i == 3) {\n bit_size = n_ch * mtab->ppc_shape_bit;\n vect_size = n_ch * mtab->ppc_shape_len;\n } else {\n bit_size = total_fr_bits - bsize_no_main_cb[i];\n vect_size = n_ch * mtab->size;\n }\n tctx->n_div[i] = (bit_size + 13) / 14;\n rounded_up = (bit_size + tctx->n_div[i] - 1) /\n tctx->n_div[i];\n rounded_down = (bit_size) / tctx->n_div[i];\n num_rounded_down = rounded_up * tctx->n_div[i] - bit_size;\n num_rounded_up = tctx->n_div[i] - num_rounded_down;\n tctx->bits_main_spec[0][i][0] = (rounded_up + 1) / 2;\n tctx->bits_main_spec[1][i][0] = rounded_up / 2;\n tctx->bits_main_spec[0][i][1] = (rounded_down + 1) / 2;\n tctx->bits_main_spec[1][i][1] = rounded_down / 2;\n tctx->bits_main_spec_change[i] = num_rounded_up;\n rounded_up = (vect_size + tctx->n_div[i] - 1) /\n tctx->n_div[i];\n rounded_down = (vect_size) / tctx->n_div[i];\n num_rounded_down = rounded_up * tctx->n_div[i] - vect_size;\n num_rounded_up = tctx->n_div[i] - num_rounded_down;\n tctx->length[i][0] = rounded_up;\n tctx->length[i][1] = rounded_down;\n tctx->length_change[i] = num_rounded_up;\n }\n for (frametype = TWINVQ_FT_SHORT; frametype <= TWINVQ_FT_PPC; frametype++)\n construct_perm_table(tctx, frametype);\n}', 'static av_cold void construct_perm_table(TwinVQContext *tctx,\n enum TwinVQFrameType ftype)\n{\n int block_size, size;\n const TwinVQModeTab *mtab = tctx->mtab;\n int16_t *tmp_perm = (int16_t *)tctx->tmp_buf;\n if (ftype == TWINVQ_FT_PPC) {\n size = tctx->avctx->channels;\n block_size = mtab->ppc_shape_len;\n } else {\n size = tctx->avctx->channels * mtab->fmode[ftype].sub;\n block_size = mtab->size / mtab->fmode[ftype].sub;\n }\n permutate_in_line(tmp_perm, tctx->n_div[ftype], size,\n block_size, tctx->length[ftype],\n tctx->length_change[ftype], ftype);\n transpose_perm(tctx->permut[ftype], tmp_perm, tctx->n_div[ftype],\n tctx->length[ftype], tctx->length_change[ftype]);\n linear_perm(tctx->permut[ftype], tctx->permut[ftype], size,\n size * block_size);\n}', 'static void transpose_perm(int16_t *out, int16_t *in, int num_vect,\n const uint8_t line_len[2], int length_div)\n{\n int i, j;\n int cont = 0;\n for (i = 0; i < num_vect; i++)\n for (j = 0; j < line_len[i >= length_div]; j++)\n out[cont++] = in[j * num_vect + i];\n}'] |
16,357 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/asn1/asn1_lib.c/#L392 | int ASN1_STRING_set(ASN1_STRING *str, const void *_data, size_t len)
{
unsigned char *c;
const char *data=_data;
if (len < 0)
{
if (data == NULL)
return(0);
else
len=strlen(data);
}
if ((str->length < len) || (str->data == NULL))
{
c=str->data;
if (c == NULL)
str->data=OPENSSL_malloc(len+1);
else
str->data=OPENSSL_realloc(c,len+1);
if (str->data == NULL)
{
ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE);
str->data=c;
return(0);
}
}
str->length=len;
if (data != NULL)
{
memcpy(str->data,data,len);
str->data[len]='\0';
}
return(1);
} | ['static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,\n\t\t\t const char *policy, int no_nonce, int cert)\n\t{\n\tint ret = 0;\n\tTS_REQ *ts_req = NULL;\n\tint len;\n\tTS_MSG_IMPRINT *msg_imprint = NULL;\n\tX509_ALGOR *algo = NULL;\n\tunsigned char *data = NULL;\n\tASN1_OBJECT *policy_obj = NULL;\n\tASN1_INTEGER *nonce_asn1 = NULL;\n\tif (!md && !(md = EVP_get_digestbyname("sha1"))) goto err;\n\tif (!(ts_req = TS_REQ_new())) goto err;\n\tif (!TS_REQ_set_version(ts_req, 1)) goto err;\n\tif (!(msg_imprint = TS_MSG_IMPRINT_new())) goto err;\n\tif (!(algo = X509_ALGOR_new())) goto err;\n\tif (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md)))) goto err;\n\tif (!(algo->parameter = ASN1_TYPE_new())) goto err;\n\talgo->parameter->type = V_ASN1_NULL;\n\tif (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo)) goto err;\n\tif ((len = create_digest(data_bio, digest, md, &data)) == 0)\n\t\tgoto err;\n\tif (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len)) goto err;\n\tif (!TS_REQ_set_msg_imprint(ts_req, msg_imprint)) goto err;\n\tif (policy && !(policy_obj = txt2obj(policy))) goto err;\n\tif (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj)) goto err;\n\tif (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH))) goto err;\n\tif (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1)) goto err;\n\tif (!TS_REQ_set_cert_req(ts_req, cert)) goto err;\n\tret = 1;\n err:\n\tif (!ret)\n\t\t{\n\t\tTS_REQ_free(ts_req);\n\t\tts_req = NULL;\n\t\tBIO_printf(bio_err, "could not create query\\n");\n\t\t}\n\tTS_MSG_IMPRINT_free(msg_imprint);\n\tX509_ALGOR_free(algo);\n\tOPENSSL_free(data);\n\tASN1_OBJECT_free(policy_obj);\n\tASN1_INTEGER_free(nonce_asn1);\n\treturn ts_req;\n\t}', 'static int create_digest(BIO *input, char *digest, const EVP_MD *md,\n\t\t\t unsigned char **md_value)\n\t{\n\tint md_value_len;\n\tmd_value_len = EVP_MD_size(md);\n\tif (input)\n\t\t{\n\t\tEVP_MD_CTX md_ctx;\n\t\tunsigned char buffer[4096];\n\t\tint length;\n\t\t*md_value = OPENSSL_malloc(md_value_len);\n\t\tif (*md_value == 0) goto err;\n\t\tEVP_DigestInit(&md_ctx, md);\n\t\twhile ((length = BIO_read(input, buffer, sizeof(buffer))) > 0)\n\t\t\t{\n\t\t\tEVP_DigestUpdate(&md_ctx, buffer, length);\n\t\t\t}\n\t\tEVP_DigestFinal(&md_ctx, *md_value, NULL);\n\t\t}\n\telse\n\t\t{\n\t\tlong digest_len;\n\t\t*md_value = string_to_hex(digest, &digest_len);\n\t\tif (!*md_value || md_value_len != digest_len)\n\t\t\t{\n\t\t\tOPENSSL_free(*md_value);\n\t\t\t*md_value = NULL;\n\t\t\tBIO_printf(bio_err, "bad digest, %d bytes "\n\t\t\t\t "must be specified\\n", md_value_len);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\treturn md_value_len;\n err:\n\treturn 0;\n\t}', 'int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len)\n\t{\n\treturn ASN1_OCTET_STRING_set(a->hashed_msg, d, len);\n\t}', 'int ASN1_OCTET_STRING_set(ASN1_OCTET_STRING *x, const unsigned char *d,\n\t\t\t size_t len)\n\t{ return M_ASN1_OCTET_STRING_set(x, d, len); }', "int ASN1_STRING_set(ASN1_STRING *str, const void *_data, size_t len)\n\t{\n\tunsigned char *c;\n\tconst char *data=_data;\n\tif (len < 0)\n\t\t{\n\t\tif (data == NULL)\n\t\t\treturn(0);\n\t\telse\n\t\t\tlen=strlen(data);\n\t\t}\n\tif ((str->length < len) || (str->data == NULL))\n\t\t{\n\t\tc=str->data;\n\t\tif (c == NULL)\n\t\t\tstr->data=OPENSSL_malloc(len+1);\n\t\telse\n\t\t\tstr->data=OPENSSL_realloc(c,len+1);\n\t\tif (str->data == NULL)\n\t\t\t{\n\t\t\tASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE);\n\t\t\tstr->data=c;\n\t\t\treturn(0);\n\t\t\t}\n\t\t}\n\tstr->length=len;\n\tif (data != NULL)\n\t\t{\n\t\tmemcpy(str->data,data,len);\n\t\tstr->data[len]='\\0';\n\t\t}\n\treturn(1);\n\t}"] |
16,358 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/rc2/rc2_cbc.c/#L204 | void RC2_decrypt(unsigned long *d, RC2_KEY *key)
{
int i, n;
register RC2_INT *p0, *p1;
register RC2_INT x0, x1, x2, x3, t;
unsigned long l;
l = d[0];
x0 = (RC2_INT) l & 0xffff;
x1 = (RC2_INT) (l >> 16L);
l = d[1];
x2 = (RC2_INT) l & 0xffff;
x3 = (RC2_INT) (l >> 16L);
n = 3;
i = 5;
p0 = &(key->data[63]);
p1 = &(key->data[0]);
for (;;) {
t = ((x3 << 11) | (x3 >> 5)) & 0xffff;
x3 = (t - (x0 & ~x2) - (x1 & x2) - *(p0--)) & 0xffff;
t = ((x2 << 13) | (x2 >> 3)) & 0xffff;
x2 = (t - (x3 & ~x1) - (x0 & x1) - *(p0--)) & 0xffff;
t = ((x1 << 14) | (x1 >> 2)) & 0xffff;
x1 = (t - (x2 & ~x0) - (x3 & x0) - *(p0--)) & 0xffff;
t = ((x0 << 15) | (x0 >> 1)) & 0xffff;
x0 = (t - (x1 & ~x3) - (x2 & x3) - *(p0--)) & 0xffff;
if (--i == 0) {
if (--n == 0)
break;
i = (n == 2) ? 6 : 5;
x3 = (x3 - p1[x2 & 0x3f]) & 0xffff;
x2 = (x2 - p1[x1 & 0x3f]) & 0xffff;
x1 = (x1 - p1[x0 & 0x3f]) & 0xffff;
x0 = (x0 - p1[x3 & 0x3f]) & 0xffff;
}
}
d[0] =
(unsigned long)(x0 & 0xffff) | ((unsigned long)(x1 & 0xffff) << 16L);
d[1] =
(unsigned long)(x2 & 0xffff) | ((unsigned long)(x3 & 0xffff) << 16L);
} | ['void RC2_decrypt(unsigned long *d, RC2_KEY *key)\n{\n int i, n;\n register RC2_INT *p0, *p1;\n register RC2_INT x0, x1, x2, x3, t;\n unsigned long l;\n l = d[0];\n x0 = (RC2_INT) l & 0xffff;\n x1 = (RC2_INT) (l >> 16L);\n l = d[1];\n x2 = (RC2_INT) l & 0xffff;\n x3 = (RC2_INT) (l >> 16L);\n n = 3;\n i = 5;\n p0 = &(key->data[63]);\n p1 = &(key->data[0]);\n for (;;) {\n t = ((x3 << 11) | (x3 >> 5)) & 0xffff;\n x3 = (t - (x0 & ~x2) - (x1 & x2) - *(p0--)) & 0xffff;\n t = ((x2 << 13) | (x2 >> 3)) & 0xffff;\n x2 = (t - (x3 & ~x1) - (x0 & x1) - *(p0--)) & 0xffff;\n t = ((x1 << 14) | (x1 >> 2)) & 0xffff;\n x1 = (t - (x2 & ~x0) - (x3 & x0) - *(p0--)) & 0xffff;\n t = ((x0 << 15) | (x0 >> 1)) & 0xffff;\n x0 = (t - (x1 & ~x3) - (x2 & x3) - *(p0--)) & 0xffff;\n if (--i == 0) {\n if (--n == 0)\n break;\n i = (n == 2) ? 6 : 5;\n x3 = (x3 - p1[x2 & 0x3f]) & 0xffff;\n x2 = (x2 - p1[x1 & 0x3f]) & 0xffff;\n x1 = (x1 - p1[x0 & 0x3f]) & 0xffff;\n x0 = (x0 - p1[x3 & 0x3f]) & 0xffff;\n }\n }\n d[0] =\n (unsigned long)(x0 & 0xffff) | ((unsigned long)(x1 & 0xffff) << 16L);\n d[1] =\n (unsigned long)(x2 & 0xffff) | ((unsigned long)(x3 & 0xffff) << 16L);\n}'] |
16,359 | 0 | https://github.com/openssl/openssl/blob/02cba628daa7fea959c561531a8a984756bdf41c/crypto/lhash/lhash.c/#L123 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | ['static int test_dtls_unprocessed(int testidx)\n{\n SSL_CTX *sctx = NULL, *cctx = NULL;\n SSL *serverssl1 = NULL, *clientssl1 = NULL;\n BIO *c_to_s_fbio, *c_to_s_mempacket;\n int testresult = 0;\n printf("Starting Test %d\\n", testidx);\n if (!create_ssl_ctx_pair(DTLS_server_method(), DTLS_client_method(), &sctx,\n &cctx, cert, privkey)) {\n printf("Unable to create SSL_CTX pair\\n");\n return 0;\n }\n if (!SSL_CTX_set_cipher_list(cctx, "AES128-SHA")) {\n printf("Failed setting cipher list\\n");\n }\n c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());\n if (c_to_s_fbio == NULL) {\n printf("Failed to create filter BIO\\n");\n goto end;\n }\n if (!create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL,\n c_to_s_fbio)) {\n printf("Unable to create SSL objects\\n");\n ERR_print_errors_fp(stdout);\n goto end;\n }\n if (testidx == 1)\n certstatus[RECORD_SEQUENCE] = 0xff;\n c_to_s_mempacket = SSL_get_wbio(clientssl1);\n c_to_s_mempacket = BIO_next(c_to_s_mempacket);\n mempacket_test_inject(c_to_s_mempacket, (char *)certstatus,\n sizeof(certstatus), 1, INJECT_PACKET_IGNORE_REC_SEQ);\n if (!create_ssl_connection(serverssl1, clientssl1)) {\n printf("Unable to create SSL connection\\n");\n ERR_print_errors_fp(stdout);\n goto end;\n }\n testresult = 1;\n end:\n SSL_free(serverssl1);\n SSL_free(clientssl1);\n SSL_CTX_free(sctx);\n SSL_CTX_free(cctx);\n return testresult;\n}', 'int create_ssl_objects(SSL_CTX *serverctx, SSL_CTX *clientctx, SSL **sssl,\n SSL **cssl, BIO *s_to_c_fbio, BIO *c_to_s_fbio)\n{\n SSL *serverssl, *clientssl;\n BIO *s_to_c_bio = NULL, *c_to_s_bio = NULL;\n if (*sssl == NULL)\n serverssl = SSL_new(serverctx);\n else\n serverssl = *sssl;\n if (*cssl == NULL)\n clientssl = SSL_new(clientctx);\n else\n clientssl = *cssl;\n if (serverssl == NULL || clientssl == NULL) {\n printf("Failed to create SSL object\\n");\n goto error;\n }\n if (SSL_is_dtls(clientssl)) {\n s_to_c_bio = BIO_new(bio_s_mempacket_test());\n c_to_s_bio = BIO_new(bio_s_mempacket_test());\n } else {\n s_to_c_bio = BIO_new(BIO_s_mem());\n c_to_s_bio = BIO_new(BIO_s_mem());\n }\n if (s_to_c_bio == NULL || c_to_s_bio == NULL) {\n printf("Failed to create mem BIOs\\n");\n goto error;\n }\n if (s_to_c_fbio != NULL)\n s_to_c_bio = BIO_push(s_to_c_fbio, s_to_c_bio);\n if (c_to_s_fbio != NULL)\n c_to_s_bio = BIO_push(c_to_s_fbio, c_to_s_bio);\n if (s_to_c_bio == NULL || c_to_s_bio == NULL) {\n printf("Failed to create chained BIOs\\n");\n goto error;\n }\n BIO_set_mem_eof_return(s_to_c_bio, -1);\n BIO_set_mem_eof_return(c_to_s_bio, -1);\n BIO_up_ref(s_to_c_bio);\n BIO_up_ref(c_to_s_bio);\n SSL_set_bio(serverssl, c_to_s_bio, s_to_c_bio);\n SSL_set_bio(clientssl, s_to_c_bio, c_to_s_bio);\n s_to_c_bio = c_to_s_bio = NULL;\n s_to_c_fbio = c_to_s_fbio = NULL;\n *sssl = serverssl;\n *cssl = clientssl;\n return 1;\n error:\n SSL_free(serverssl);\n SSL_free(clientssl);\n BIO_free(s_to_c_bio);\n BIO_free(c_to_s_bio);\n BIO_free(s_to_c_fbio);\n BIO_free(c_to_s_fbio);\n return 0;\n}', 'SSL *SSL_new(SSL_CTX *ctx)\n{\n SSL *s;\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX);\n return (NULL);\n }\n if (ctx->method == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n return (NULL);\n }\n s = OPENSSL_zalloc(sizeof(*s));\n if (s == NULL)\n goto err;\n s->lock = CRYPTO_THREAD_lock_new();\n if (s->lock == NULL) {\n SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(s);\n return NULL;\n }\n RECORD_LAYER_init(&s->rlayer, s);\n s->options = ctx->options;\n s->dane.flags = ctx->dane.flags;\n s->min_proto_version = ctx->min_proto_version;\n s->max_proto_version = ctx->max_proto_version;\n s->mode = ctx->mode;\n s->max_cert_list = ctx->max_cert_list;\n s->references = 1;\n s->cert = ssl_cert_dup(ctx->cert);\n if (s->cert == NULL)\n goto err;\n RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);\n s->msg_callback = ctx->msg_callback;\n s->msg_callback_arg = ctx->msg_callback_arg;\n s->verify_mode = ctx->verify_mode;\n s->not_resumable_session_cb = ctx->not_resumable_session_cb;\n s->sid_ctx_length = ctx->sid_ctx_length;\n OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);\n memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));\n s->verify_callback = ctx->default_verify_callback;\n s->generate_session_id = ctx->generate_session_id;\n s->param = X509_VERIFY_PARAM_new();\n if (s->param == NULL)\n goto err;\n X509_VERIFY_PARAM_inherit(s->param, ctx->param);\n s->quiet_shutdown = ctx->quiet_shutdown;\n s->max_send_fragment = ctx->max_send_fragment;\n s->split_send_fragment = ctx->split_send_fragment;\n s->max_pipelines = ctx->max_pipelines;\n if (s->max_pipelines > 1)\n RECORD_LAYER_set_read_ahead(&s->rlayer, 1);\n if (ctx->default_read_buf_len > 0)\n SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len);\n SSL_CTX_up_ref(ctx);\n s->ctx = ctx;\n s->ext.debug_cb = 0;\n s->ext.debug_arg = NULL;\n s->ext.ticket_expected = 0;\n s->ext.status_type = ctx->ext.status_type;\n s->ext.status_expected = 0;\n s->ext.ocsp.ids = NULL;\n s->ext.ocsp.exts = NULL;\n s->ext.ocsp.resp = NULL;\n s->ext.ocsp.resp_len = 0;\n SSL_CTX_up_ref(ctx);\n s->session_ctx = ctx;\n#ifndef OPENSSL_NO_EC\n if (ctx->ext.ecpointformats) {\n s->ext.ecpointformats =\n OPENSSL_memdup(ctx->ext.ecpointformats,\n ctx->ext.ecpointformats_len);\n if (!s->ext.ecpointformats)\n goto err;\n s->ext.ecpointformats_len =\n ctx->ext.ecpointformats_len;\n }\n if (ctx->ext.supportedgroups) {\n s->ext.supportedgroups =\n OPENSSL_memdup(ctx->ext.supportedgroups,\n ctx->ext.supportedgroups_len);\n if (!s->ext.supportedgroups)\n goto err;\n s->ext.supportedgroups_len = ctx->ext.supportedgroups_len;\n }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n s->ext.npn = NULL;\n#endif\n if (s->ctx->ext.alpn) {\n s->ext.alpn = OPENSSL_malloc(s->ctx->ext.alpn_len);\n if (s->ext.alpn == NULL)\n goto err;\n memcpy(s->ext.alpn, s->ctx->ext.alpn, s->ctx->ext.alpn_len);\n s->ext.alpn_len = s->ctx->ext.alpn_len;\n }\n s->verified_chain = NULL;\n s->verify_result = X509_V_OK;\n s->default_passwd_callback = ctx->default_passwd_callback;\n s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;\n s->method = ctx->method;\n if (!s->method->ssl_new(s))\n goto err;\n s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;\n if (!SSL_clear(s))\n goto err;\n if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data))\n goto err;\n#ifndef OPENSSL_NO_PSK\n s->psk_client_callback = ctx->psk_client_callback;\n s->psk_server_callback = ctx->psk_server_callback;\n#endif\n s->job = NULL;\n#ifndef OPENSSL_NO_CT\n if (!SSL_set_ct_validation_callback(s, ctx->ct_validation_callback,\n ctx->ct_validation_callback_arg))\n goto err;\n#endif\n return s;\n err:\n SSL_free(s);\n SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n return NULL;\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n CRYPTO_DOWN_REF(&s->references, &i, s->lock);\n REF_PRINT_COUNT("SSL", s);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(s->param);\n dane_final(&s->dane);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n ssl_free_wbio_buffer(s);\n BIO_free_all(s->wbio);\n BIO_free_all(s->rbio);\n BUF_MEM_free(s->init_buf);\n sk_SSL_CIPHER_free(s->cipher_list);\n sk_SSL_CIPHER_free(s->cipher_list_by_id);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n clear_ciphers(s);\n ssl_cert_free(s->cert);\n OPENSSL_free(s->ext.hostname);\n SSL_CTX_free(s->session_ctx);\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(s->ext.ecpointformats);\n OPENSSL_free(s->ext.supportedgroups);\n#endif\n sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free);\n#ifndef OPENSSL_NO_OCSP\n sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);\n#endif\n#ifndef OPENSSL_NO_CT\n SCT_LIST_free(s->scts);\n OPENSSL_free(s->ext.scts);\n#endif\n OPENSSL_free(s->ext.ocsp.resp);\n OPENSSL_free(s->ext.alpn);\n sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free);\n sk_X509_pop_free(s->verified_chain, X509_free);\n if (s->method != NULL)\n s->method->ssl_free(s);\n RECORD_LAYER_release(&s->rlayer);\n SSL_CTX_free(s->ctx);\n ASYNC_WAIT_CTX_free(s->waitctx);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n OPENSSL_free(s->ext.npn);\n#endif\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);\n#endif\n CRYPTO_THREAD_lock_free(s->lock);\n OPENSSL_free(s);\n}', 'int ssl_clear_bad_session(SSL *s)\n{\n if ((s->session != NULL) &&\n !(s->shutdown & SSL_SENT_SHUTDOWN) &&\n !(SSL_in_init(s) || SSL_in_before(s))) {\n SSL_CTX_remove_session(s->session_ctx, s->session);\n return (1);\n } else\n return (0);\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_THREAD_write_lock(ctx->lock);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n c->not_resumable = 1;\n if (lck)\n CRYPTO_THREAD_unlock(ctx->lock);\n if (ret)\n SSL_SESSION_free(r);\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, c);\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}'] |
16,360 | 0 | https://github.com/openssl/openssl/blob/31b446e212e2209d62e66a608e540716716430e4/crypto/lhash/lhash.c/#L271 | static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,
LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)
{
int i;
LHASH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | ['OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req,\n const char *host, const char *path,\n const char *port, int use_ssl,\n const STACK_OF(CONF_VALUE) *headers,\n int req_timeout)\n{\n BIO *cbio = NULL;\n SSL_CTX *ctx = NULL;\n OCSP_RESPONSE *resp = NULL;\n cbio = BIO_new_connect(host);\n if (!cbio) {\n BIO_printf(err, "Error creating connect BIO\\n");\n goto end;\n }\n if (port)\n BIO_set_conn_port(cbio, port);\n if (use_ssl == 1) {\n BIO *sbio;\n ctx = SSL_CTX_new(SSLv23_client_method());\n if (ctx == NULL) {\n BIO_printf(err, "Error creating SSL context.\\n");\n goto end;\n }\n SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);\n sbio = BIO_new_ssl(ctx, 1);\n cbio = BIO_push(sbio, cbio);\n }\n resp = query_responder(err, cbio, path, headers, req, req_timeout);\n if (!resp)\n BIO_printf(bio_err, "Error querying OCSP responder\\n");\n end:\n if (cbio)\n BIO_free_all(cbio);\n if (ctx)\n SSL_CTX_free(ctx);\n return resp;\n}', 'SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)\n{\n SSL_CTX *ret = NULL;\n if (meth == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED);\n return (NULL);\n }\n if (FIPS_mode() && (meth->version < TLS1_VERSION)) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);\n return NULL;\n }\n if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);\n goto err;\n }\n ret = (SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));\n if (ret == NULL)\n goto err;\n memset(ret, 0, sizeof(SSL_CTX));\n ret->method = meth;\n ret->cert_store = NULL;\n ret->session_cache_mode = SSL_SESS_CACHE_SERVER;\n ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;\n ret->session_cache_head = NULL;\n ret->session_cache_tail = NULL;\n ret->session_timeout = meth->get_timeout();\n ret->new_session_cb = 0;\n ret->remove_session_cb = 0;\n ret->get_session_cb = 0;\n ret->generate_session_id = 0;\n memset((char *)&ret->stats, 0, sizeof(ret->stats));\n ret->references = 1;\n ret->quiet_shutdown = 0;\n ret->info_callback = NULL;\n ret->app_verify_callback = 0;\n ret->app_verify_arg = NULL;\n ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;\n ret->read_ahead = 0;\n ret->msg_callback = 0;\n ret->msg_callback_arg = NULL;\n ret->verify_mode = SSL_VERIFY_NONE;\n#if 0\n ret->verify_depth = -1;\n#endif\n ret->sid_ctx_length = 0;\n ret->default_verify_callback = NULL;\n if ((ret->cert = ssl_cert_new()) == NULL)\n goto err;\n ret->default_passwd_callback = 0;\n ret->default_passwd_callback_userdata = NULL;\n ret->client_cert_cb = 0;\n ret->app_gen_cookie_cb = 0;\n ret->app_verify_cookie_cb = 0;\n ret->sessions = lh_SSL_SESSION_new();\n if (ret->sessions == NULL)\n goto err;\n ret->cert_store = X509_STORE_new();\n if (ret->cert_store == NULL)\n goto err;\n ssl_create_cipher_list(ret->method,\n &ret->cipher_list, &ret->cipher_list_by_id,\n SSL_DEFAULT_CIPHER_LIST, ret->cert);\n if (ret->cipher_list == NULL || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS);\n goto err2;\n }\n ret->param = X509_VERIFY_PARAM_new();\n if (!ret->param)\n goto err;\n if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);\n goto err2;\n }\n if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);\n goto err2;\n }\n if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL)\n goto err;\n CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);\n ret->extra_certs = NULL;\n if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))\n ret->comp_methods = SSL_COMP_get_compression_methods();\n ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;\n#ifndef OPENSSL_NO_TLSEXT\n ret->tlsext_servername_callback = 0;\n ret->tlsext_servername_arg = NULL;\n if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0)\n || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)\n || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))\n ret->options |= SSL_OP_NO_TICKET;\n ret->tlsext_status_cb = 0;\n ret->tlsext_status_arg = NULL;\n# ifndef OPENSSL_NO_NEXTPROTONEG\n ret->next_protos_advertised_cb = 0;\n ret->next_proto_select_cb = 0;\n# endif\n#endif\n#ifndef OPENSSL_NO_PSK\n ret->psk_identity_hint = NULL;\n ret->psk_client_callback = NULL;\n ret->psk_server_callback = NULL;\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_init(ret);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ret->client_cert_engine = NULL;\n# ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO\n# define eng_strx(x) #x\n# define eng_str(x) eng_strx(x)\n {\n ENGINE *eng;\n eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));\n if (!eng) {\n ERR_clear_error();\n ENGINE_load_builtin_engines();\n eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));\n }\n if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))\n ERR_clear_error();\n }\n# endif\n#endif\n ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;\n return (ret);\n err:\n SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);\n err2:\n if (ret != NULL)\n SSL_CTX_free(ret);\n return (NULL);\n}', '_LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c)\n{\n _LHASH *ret;\n int i;\n if ((ret = OPENSSL_malloc(sizeof(_LHASH))) == NULL)\n goto err0;\n if ((ret->b = OPENSSL_malloc(sizeof(LHASH_NODE *) * MIN_NODES)) == NULL)\n goto err1;\n for (i = 0; i < MIN_NODES; i++)\n ret->b[i] = NULL;\n ret->comp = ((c == NULL) ? (LHASH_COMP_FN_TYPE)strcmp : c);\n ret->hash = ((h == NULL) ? (LHASH_HASH_FN_TYPE)lh_strhash : h);\n ret->num_nodes = MIN_NODES / 2;\n ret->num_alloc_nodes = MIN_NODES;\n ret->p = 0;\n ret->pmax = MIN_NODES / 2;\n ret->up_load = UP_LOAD;\n ret->down_load = DOWN_LOAD;\n ret->num_items = 0;\n ret->num_expands = 0;\n ret->num_expand_reallocs = 0;\n ret->num_contracts = 0;\n ret->num_contract_reallocs = 0;\n ret->num_hash_calls = 0;\n ret->num_comp_calls = 0;\n ret->num_insert = 0;\n ret->num_replace = 0;\n ret->num_delete = 0;\n ret->num_no_delete = 0;\n ret->num_retrieve = 0;\n ret->num_retrieve_miss = 0;\n ret->num_hash_comps = 0;\n ret->error = 0;\n return (ret);\n err1:\n OPENSSL_free(ret);\n err0:\n return (NULL);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX);\n#ifdef REF_PRINT\n REF_PRINT("SSL_CTX", a);\n#endif\n if (i > 0)\n return;\n#ifdef REF_CHECK\n if (i < 0) {\n fprintf(stderr, "SSL_CTX_free, bad reference count\\n");\n abort();\n }\n#endif\n if (a->param)\n X509_VERIFY_PARAM_free(a->param);\n if (a->sessions != NULL)\n SSL_CTX_flush_sessions(a, 0);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n if (a->sessions != NULL)\n lh_SSL_SESSION_free(a->sessions);\n if (a->cert_store != NULL)\n X509_STORE_free(a->cert_store);\n if (a->cipher_list != NULL)\n sk_SSL_CIPHER_free(a->cipher_list);\n if (a->cipher_list_by_id != NULL)\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n if (a->cert != NULL)\n ssl_cert_free(a->cert);\n if (a->client_CA != NULL)\n sk_X509_NAME_pop_free(a->client_CA, X509_NAME_free);\n if (a->extra_certs != NULL)\n sk_X509_pop_free(a->extra_certs, X509_free);\n#if 0\n if (a->comp_methods != NULL)\n sk_SSL_COMP_pop_free(a->comp_methods, SSL_COMP_free);\n#else\n a->comp_methods = NULL;\n#endif\n#ifndef OPENSSL_NO_SRTP\n if (a->srtp_profiles)\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_PSK\n if (a->psk_identity_hint)\n OPENSSL_free(a->psk_identity_hint);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n if (a->client_cert_engine)\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_TLSEXT\n# ifndef OPENSSL_NO_EC\n if (a->tlsext_ecpointformatlist)\n OPENSSL_free(a->tlsext_ecpointformatlist);\n if (a->tlsext_ellipticcurvelist)\n OPENSSL_free(a->tlsext_ellipticcurvelist);\n# endif\n if (a->alpn_client_proto_list != NULL)\n OPENSSL_free(a->alpn_client_proto_list);\n#endif\n OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n unsigned long i;\n TIMEOUT_PARAM tp;\n tp.ctx = s;\n tp.cache = s->sessions;\n if (tp.cache == NULL)\n return;\n tp.time = t;\n CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n i = CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load;\n CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = 0;\n lh_SSL_SESSION_doall_arg(tp.cache, LHASH_DOALL_ARG_FN(timeout),\n TIMEOUT_PARAM, &tp);\n CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = i;\n CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n}', 'void lh_doall_arg(_LHASH *lh, LHASH_DOALL_ARG_FN_TYPE func, void *arg)\n{\n doall_util_fn(lh, 1, (LHASH_DOALL_FN_TYPE)0, func, arg);\n}', 'static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,\n LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)\n{\n int i;\n LHASH_NODE *a, *n;\n if (lh == NULL)\n return;\n for (i = lh->num_nodes - 1; i >= 0; i--) {\n a = lh->b[i];\n while (a != NULL) {\n n = a->next;\n if (use_arg)\n func_arg(a->data, arg);\n else\n func(a->data);\n a = n;\n }\n }\n}'] |
16,361 | 0 | https://github.com/openssl/openssl/blob/47ddf355b46eae8c846e411f44531e928e04adf5/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return((void *)ret);
} | ['static int ssl3_get_key_exchange(SSL *s)\n\t{\n#ifndef OPENSSL_NO_RSA\n\tunsigned char *q,md_buf[EVP_MAX_MD_SIZE*2];\n#endif\n\tEVP_MD_CTX md_ctx;\n\tunsigned char *param,*p;\n\tint al,i,j,param_len,ok;\n\tlong n,alg;\n\tEVP_PKEY *pkey=NULL;\n#ifndef OPENSSL_NO_RSA\n\tRSA *rsa=NULL;\n#endif\n#ifndef OPENSSL_NO_DH\n\tDH *dh=NULL;\n#endif\n\tn=ssl3_get_message(s,\n\t\tSSL3_ST_CR_KEY_EXCH_A,\n\t\tSSL3_ST_CR_KEY_EXCH_B,\n\t\t-1,\n\t\t1024*8,\n\t\t&ok);\n\tif (!ok) return((int)n);\n\tif (s->s3->tmp.message_type != SSL3_MT_SERVER_KEY_EXCHANGE)\n\t\t{\n\t\ts->s3->tmp.reuse_message=1;\n\t\treturn(1);\n\t\t}\n\tparam=p=(unsigned char *)s->init_buf->data;\n\tif (s->session->sess_cert != NULL)\n\t\t{\n#ifndef OPENSSL_NO_RSA\n\t\tif (s->session->sess_cert->peer_rsa_tmp != NULL)\n\t\t\t{\n\t\t\tRSA_free(s->session->sess_cert->peer_rsa_tmp);\n\t\t\ts->session->sess_cert->peer_rsa_tmp=NULL;\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_DH\n\t\tif (s->session->sess_cert->peer_dh_tmp)\n\t\t\t{\n\t\t\tDH_free(s->session->sess_cert->peer_dh_tmp);\n\t\t\ts->session->sess_cert->peer_dh_tmp=NULL;\n\t\t\t}\n#endif\n\t\t}\n\telse\n\t\t{\n\t\ts->session->sess_cert=ssl_sess_cert_new();\n\t\t}\n\tparam_len=0;\n\talg=s->s3->tmp.new_cipher->algorithms;\n#ifndef OPENSSL_NO_RSA\n\tif (alg & SSL_kRSA)\n\t\t{\n\t\tif ((rsa=RSA_new()) == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\tn2s(p,i);\n\t\tparam_len=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_RSA_MODULUS_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(rsa->n=BN_bin2bn(p,i,rsa->n)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn2s(p,i);\n\t\tparam_len+=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_RSA_E_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(rsa->e=BN_bin2bn(p,i,rsa->e)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn-=param_len;\n\t\tif (alg & SSL_aRSA)\n\t\t\tpkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);\n\t\telse\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\ts->session->sess_cert->peer_rsa_tmp=rsa;\n\t\trsa=NULL;\n\t\t}\n#else\n\tif (0)\n\t\t;\n#endif\n#ifndef OPENSSL_NO_DH\n\telse if (alg & SSL_kEDH)\n\t\t{\n\t\tif ((dh=DH_new()) == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_DH_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tn2s(p,i);\n\t\tparam_len=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_DH_P_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(dh->p=BN_bin2bn(p,i,NULL)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn2s(p,i);\n\t\tparam_len+=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_DH_G_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(dh->g=BN_bin2bn(p,i,NULL)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn2s(p,i);\n\t\tparam_len+=i+2;\n\t\tif (param_len > n)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_DH_PUB_KEY_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!(dh->pub_key=BN_bin2bn(p,i,NULL)))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tp+=i;\n\t\tn-=param_len;\n#ifndef OPENSSL_NO_RSA\n\t\tif (alg & SSL_aRSA)\n\t\t\tpkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);\n#else\n\t\tif (0)\n\t\t\t;\n#endif\n#ifndef OPENSSL_NO_DSA\n\t\telse if (alg & SSL_aDSS)\n\t\t\tpkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);\n#endif\n\t\ts->session->sess_cert->peer_dh_tmp=dh;\n\t\tdh=NULL;\n\t\t}\n\telse if ((alg & SSL_kDHr) || (alg & SSL_kDHd))\n\t\t{\n\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);\n\t\tgoto f_err;\n\t\t}\n#endif\n\tif (alg & SSL_aFZA)\n\t\t{\n\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);\n\t\tgoto f_err;\n\t\t}\n\tif (pkey != NULL)\n\t\t{\n\t\tn2s(p,i);\n\t\tn-=2;\n\t\tj=EVP_PKEY_size(pkey);\n\t\tif ((i != n) || (n > j) || (n <= 0))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_WRONG_SIGNATURE_LENGTH);\n\t\t\tgoto f_err;\n\t\t\t}\n#ifndef OPENSSL_NO_RSA\n\t\tif (pkey->type == EVP_PKEY_RSA)\n\t\t\t{\n\t\t\tint num;\n\t\t\tj=0;\n\t\t\tq=md_buf;\n\t\t\tfor (num=2; num > 0; num--)\n\t\t\t\t{\n\t\t\t\tEVP_DigestInit(&md_ctx,(num == 2)\n\t\t\t\t\t?s->ctx->md5:s->ctx->sha1);\n\t\t\t\tEVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);\n\t\t\t\tEVP_DigestUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);\n\t\t\t\tEVP_DigestUpdate(&md_ctx,param,param_len);\n\t\t\t\tEVP_DigestFinal(&md_ctx,q,(unsigned int *)&i);\n\t\t\t\tq+=i;\n\t\t\t\tj+=i;\n\t\t\t\t}\n\t\t\ti=RSA_verify(NID_md5_sha1, md_buf, j, p, n,\n\t\t\t\t\t\t\t\tpkey->pkey.rsa);\n\t\t\tif (i < 0)\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_RSA_DECRYPT);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\tif (i == 0)\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SIGNATURE);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n#endif\n#ifndef OPENSSL_NO_DSA\n\t\t\tif (pkey->type == EVP_PKEY_DSA)\n\t\t\t{\n\t\t\tEVP_VerifyInit(&md_ctx,EVP_dss1());\n\t\t\tEVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);\n\t\t\tEVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);\n\t\t\tEVP_VerifyUpdate(&md_ctx,param,param_len);\n\t\t\tif (!EVP_VerifyFinal(&md_ctx,p,(int)n,pkey))\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SIGNATURE);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tif (!(alg & SSL_aNULL))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (n != 0)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_EXTRA_DATA_IN_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\tEVP_PKEY_free(pkey);\n\treturn(1);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\tEVP_PKEY_free(pkey);\n#ifndef OPENSSL_NO_RSA\n\tif (rsa != NULL)\n\t\tRSA_free(rsa);\n#endif\n#ifndef OPENSSL_NO_DH\n\tif (dh != NULL)\n\t\tDH_free(dh);\n#endif\n\treturn(-1);\n\t}', 'long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)\n\t{\n\tunsigned char *p;\n\tunsigned long l;\n\tlong n;\n\tint i,al;\n\tif (s->s3->tmp.reuse_message)\n\t\t{\n\t\ts->s3->tmp.reuse_message=0;\n\t\tif ((mt >= 0) && (s->s3->tmp.message_type != mt))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t*ok=1;\n\t\treturn((int)s->s3->tmp.message_size);\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tif (s->state == st1)\n\t\t{\n\t\tint skip_message;\n\t\tdo\n\t\t\t{\n\t\t\twhile (s->init_num < 4)\n\t\t\t\t{\n\t\t\t\ti=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],\n\t\t\t\t\t4 - s->init_num, 0);\n\t\t\t\tif (i <= 0)\n\t\t\t\t\t{\n\t\t\t\t\ts->rwstate=SSL_READING;\n\t\t\t\t\t*ok = 0;\n\t\t\t\t\treturn i;\n\t\t\t\t\t}\n\t\t\t\ts->init_num+=i;\n\t\t\t\t}\n\t\t\tskip_message = 0;\n\t\t\tif (!s->server)\n\t\t\t\tif (p[0] == SSL3_MT_HELLO_REQUEST)\n\t\t\t\t\tif (p[1] == 0 && p[2] == 0 &&p[3] == 0)\n\t\t\t\t\t\tskip_message = 1;\n\t\t\t}\n\t\twhile (skip_message);\n\t\tif ((mt >= 0) && (*p != mt))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&\n\t\t\t\t\t(st1 == SSL3_ST_SR_CERT_A) &&\n\t\t\t\t\t(stn == SSL3_ST_SR_CERT_B))\n\t\t\t{\n\t\t\tssl3_init_finished_mac(s);\n\t\t\t}\n\t\tssl3_finish_mac(s, (unsigned char *)s->init_buf->data, 4);\n\t\ts->s3->tmp.message_type= *(p++);\n\t\tn2l3(p,l);\n\t\tif (l > (unsigned long)max)\n\t\t\t{\n\t\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (l && !BUF_MEM_grow(s->init_buf,(int)l))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\ts->s3->tmp.message_size=l;\n\t\ts->state=stn;\n\t\ts->init_num=0;\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tn=s->s3->tmp.message_size;\n\twhile (n > 0)\n\t\t{\n\t\ti=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);\n\t\tif (i <= 0)\n\t\t\t{\n\t\t\ts->rwstate=SSL_READING;\n\t\t\t*ok = 0;\n\t\t\treturn i;\n\t\t\t}\n\t\ts->init_num += i;\n\t\tn -= i;\n\t\t}\n\tssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num);\n\t*ok=1;\n\treturn s->init_num;\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\t*ok=0;\n\treturn(-1);\n\t}', 'void ssl3_send_alert(SSL *s, int level, int desc)\n\t{\n\tdesc=s->method->ssl3_enc->alert_value(desc);\n\tif (desc < 0) return;\n\tif ((level == 2) && (s->session != NULL))\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\ts->s3->alert_dispatch=1;\n\ts->s3->send_alert[0]=level;\n\ts->s3->send_alert[1]=desc;\n\tif (s->s3->wbuf.left == 0)\n\t\tssl3_dispatch_alert(s);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\tif (r != NULL)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}'] |
16,362 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L260 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int test_gf2m_mod(void)\n{\n BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL, *e = NULL;\n int i, j, st = 0;\n if (!TEST_ptr(a = BN_new())\n || !TEST_ptr(b[0] = BN_new())\n || !TEST_ptr(b[1] = BN_new())\n || !TEST_ptr(c = BN_new())\n || !TEST_ptr(d = BN_new())\n || !TEST_ptr(e = BN_new()))\n goto err;\n BN_GF2m_arr2poly(p0, b[0]);\n BN_GF2m_arr2poly(p1, b[1]);\n for (i = 0; i < NUM0; i++) {\n BN_bntest_rand(a, 1024, 0, 0);\n for (j = 0; j < 2; j++) {\n BN_GF2m_mod(c, a, b[j]);\n BN_GF2m_add(d, a, c);\n BN_GF2m_mod(e, d, b[j]);\n if (!TEST_BN_eq_zero(e))\n goto err;\n }\n }\n st = 1;\n err:\n BN_free(a);\n BN_free(b[0]);\n BN_free(b[1]);\n BN_free(c);\n BN_free(d);\n BN_free(e);\n return st;\n}', 'int BN_GF2m_arr2poly(const int p[], BIGNUM *a)\n{\n int i;\n bn_check_top(a);\n BN_zero(a);\n for (i = 0; p[i] != -1; i++) {\n if (BN_set_bit(a, p[i]) == 0)\n return 0;\n }\n bn_check_top(a);\n return 1;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
16,363 | 0 | https://github.com/libav/libav/blob/4d4d7cf9d539a053f531f662a972b23d335738eb/libavcodec/fmvc.c/#L331 | static int decode_type1(GetByteContext *gb, PutByteContext *pb)
{
unsigned opcode, len;
int high = 0;
int i, pos;
while (bytestream2_get_bytes_left(gb) > 0) {
GetByteContext gbc;
while (bytestream2_get_bytes_left(gb) > 0) {
while (bytestream2_get_bytes_left(gb) > 0) {
opcode = bytestream2_get_byte(gb);
high = opcode >= 0x20;
if (high)
break;
if (opcode)
break;
opcode = bytestream2_get_byte(gb);
if (opcode < 0xF8) {
opcode += 32;
break;
}
i = opcode - 0xF8;
if (i) {
len = 256;
do {
len *= 2;
--i;
} while (i);
} else {
len = 280;
}
do {
bytestream2_put_le32(pb, bytestream2_get_le32(gb));
bytestream2_put_le32(pb, bytestream2_get_le32(gb));
len -= 8;
} while (len && bytestream2_get_bytes_left(gb) > 0);
}
if (!high) {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--opcode;
} while (opcode && bytestream2_get_bytes_left(gb) > 0);
while (bytestream2_get_bytes_left(gb) > 0) {
GetByteContext gbc;
opcode = bytestream2_get_byte(gb);
if (opcode >= 0x20)
break;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
pos = -(opcode | 32 * bytestream2_get_byte(gb)) - 1;
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
}
}
high = 0;
if (opcode < 0x40)
break;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
pos = (-((opcode & 0x1F) | 32 * bytestream2_get_byte(gb)) - 1);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
len = (opcode >> 5) - 1;
do {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
--len;
} while (len && bytestream2_get_bytes_left(&gbc) > 0);
}
len = opcode & 0x1F;
if (!len) {
if (!bytestream2_peek_byte(gb)) {
do {
bytestream2_skip(gb, 1);
len += 255;
} while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);
}
len += bytestream2_get_byte(gb) + 31;
}
pos = -bytestream2_get_byte(gb);
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos - (bytestream2_get_byte(gb) << 8), SEEK_SET);
if (bytestream2_tell_p(pb) == bytestream2_tell(&gbc))
break;
if (len < 5 || bytestream2_tell_p(pb) - bytestream2_tell(&gbc) < 4) {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
} else {
bytestream2_put_le32(pb, bytestream2_get_le32(&gbc));
len--;
}
do {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
len--;
} while (len && bytestream2_get_bytes_left(&gbc) > 0);
}
return 0;
} | ['static int decode_type1(GetByteContext *gb, PutByteContext *pb)\n{\n unsigned opcode, len;\n int high = 0;\n int i, pos;\n while (bytestream2_get_bytes_left(gb) > 0) {\n GetByteContext gbc;\n while (bytestream2_get_bytes_left(gb) > 0) {\n while (bytestream2_get_bytes_left(gb) > 0) {\n opcode = bytestream2_get_byte(gb);\n high = opcode >= 0x20;\n if (high)\n break;\n if (opcode)\n break;\n opcode = bytestream2_get_byte(gb);\n if (opcode < 0xF8) {\n opcode += 32;\n break;\n }\n i = opcode - 0xF8;\n if (i) {\n len = 256;\n do {\n len *= 2;\n --i;\n } while (i);\n } else {\n len = 280;\n }\n do {\n bytestream2_put_le32(pb, bytestream2_get_le32(gb));\n bytestream2_put_le32(pb, bytestream2_get_le32(gb));\n len -= 8;\n } while (len && bytestream2_get_bytes_left(gb) > 0);\n }\n if (!high) {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --opcode;\n } while (opcode && bytestream2_get_bytes_left(gb) > 0);\n while (bytestream2_get_bytes_left(gb) > 0) {\n GetByteContext gbc;\n opcode = bytestream2_get_byte(gb);\n if (opcode >= 0x20)\n break;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n pos = -(opcode | 32 * bytestream2_get_byte(gb)) - 1;\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n }\n }\n high = 0;\n if (opcode < 0x40)\n break;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n pos = (-((opcode & 0x1F) | 32 * bytestream2_get_byte(gb)) - 1);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n len = (opcode >> 5) - 1;\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n --len;\n } while (len && bytestream2_get_bytes_left(&gbc) > 0);\n }\n len = opcode & 0x1F;\n if (!len) {\n if (!bytestream2_peek_byte(gb)) {\n do {\n bytestream2_skip(gb, 1);\n len += 255;\n } while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);\n }\n len += bytestream2_get_byte(gb) + 31;\n }\n pos = -bytestream2_get_byte(gb);\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos - (bytestream2_get_byte(gb) << 8), SEEK_SET);\n if (bytestream2_tell_p(pb) == bytestream2_tell(&gbc))\n break;\n if (len < 5 || bytestream2_tell_p(pb) - bytestream2_tell(&gbc) < 4) {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n } else {\n bytestream2_put_le32(pb, bytestream2_get_le32(&gbc));\n len--;\n }\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n len--;\n } while (len && bytestream2_get_bytes_left(&gbc) > 0);\n }\n return 0;\n}'] |
16,364 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L250 | int BN_num_bits(const BIGNUM *a)
{
int i = a->top - 1;
bn_check_top(a);
if (BN_is_zero(a)) return 0;
return ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));
} | ['int ssl3_connect(SSL *s)\n\t{\n\tBUF_MEM *buf=NULL;\n\tunsigned long Time=(unsigned long)time(NULL);\n\tlong num1;\n\tvoid (*cb)(const SSL *ssl,int type,int val)=NULL;\n\tint ret= -1;\n\tint new_state,state,skip=0;;\n\tRAND_add(&Time,sizeof(Time),0);\n\tERR_clear_error();\n\tclear_sys_error();\n\tif (s->info_callback != NULL)\n\t\tcb=s->info_callback;\n\telse if (s->ctx->info_callback != NULL)\n\t\tcb=s->ctx->info_callback;\n\ts->in_handshake++;\n\tif (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);\n\tfor (;;)\n\t\t{\n\t\tstate=s->state;\n\t\tswitch(s->state)\n\t\t\t{\n\t\tcase SSL_ST_RENEGOTIATE:\n\t\t\ts->new_session=1;\n\t\t\ts->state=SSL_ST_CONNECT;\n\t\t\ts->ctx->stats.sess_connect_renegotiate++;\n\t\tcase SSL_ST_BEFORE:\n\t\tcase SSL_ST_CONNECT:\n\t\tcase SSL_ST_BEFORE|SSL_ST_CONNECT:\n\t\tcase SSL_ST_OK|SSL_ST_CONNECT:\n\t\t\ts->server=0;\n\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);\n\t\t\tif ((s->version & 0xff00 ) != 0x0300)\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_CONNECT, ERR_R_INTERNAL_ERROR);\n\t\t\t\tret = -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\ts->type=SSL_ST_CONNECT;\n\t\t\tif (s->init_buf == NULL)\n\t\t\t\t{\n\t\t\t\tif ((buf=BUF_MEM_new()) == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tret= -1;\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tif (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))\n\t\t\t\t\t{\n\t\t\t\t\tret= -1;\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\ts->init_buf=buf;\n\t\t\t\tbuf=NULL;\n\t\t\t\t}\n\t\t\tif (!ssl3_setup_buffers(s)) { ret= -1; goto end; }\n\t\t\tif (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }\n\t\t\tssl3_init_finished_mac(s);\n\t\t\ts->state=SSL3_ST_CW_CLNT_HELLO_A;\n\t\t\ts->ctx->stats.sess_connect++;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_CLNT_HELLO_A:\n\t\tcase SSL3_ST_CW_CLNT_HELLO_B:\n\t\t\ts->shutdown=0;\n\t\t\tret=ssl3_client_hello(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CR_SRVR_HELLO_A;\n\t\t\ts->init_num=0;\n\t\t\tif (s->bbio != s->wbio)\n\t\t\t\ts->wbio=BIO_push(s->bbio,s->wbio);\n\t\t\tbreak;\n\t\tcase SSL3_ST_CR_SRVR_HELLO_A:\n\t\tcase SSL3_ST_CR_SRVR_HELLO_B:\n\t\t\tret=ssl3_get_server_hello(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->hit)\n\t\t\t\ts->state=SSL3_ST_CR_FINISHED_A;\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_CR_CERT_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CR_CERT_A:\n\t\tcase SSL3_ST_CR_CERT_B:\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\tret=ssl3_check_finished(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (ret == 2)\n\t\t\t\t{\n\t\t\t\ts->hit = 1;\n\t\t\t\tif (s->tlsext_ticket_expected)\n\t\t\t\t\ts->state=SSL3_ST_CR_SESSION_TICKET_A;\n\t\t\t\telse\n\t\t\t\t\ts->state=SSL3_ST_CR_FINISHED_A;\n\t\t\t\ts->init_num=0;\n\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n\t\t\tif (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&\n\t\t\t !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))\n\t\t\t\t{\n\t\t\t\tret=ssl3_get_server_certificate(s);\n\t\t\t\tif (ret <= 0) goto end;\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\t\tif (s->tlsext_status_expected)\n\t\t\t\t\ts->state=SSL3_ST_CR_CERT_STATUS_A;\n\t\t\t\telse\n\t\t\t\t\ts->state=SSL3_ST_CR_KEY_EXCH_A;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tskip = 1;\n\t\t\t\ts->state=SSL3_ST_CR_KEY_EXCH_A;\n\t\t\t\t}\n#else\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_CR_KEY_EXCH_A;\n#endif\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CR_KEY_EXCH_A:\n\t\tcase SSL3_ST_CR_KEY_EXCH_B:\n\t\t\tret=ssl3_get_key_exchange(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CR_CERT_REQ_A;\n\t\t\ts->init_num=0;\n\t\t\tif (!ssl3_check_cert_and_algorithm(s))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_CR_CERT_REQ_A:\n\t\tcase SSL3_ST_CR_CERT_REQ_B:\n\t\t\tret=ssl3_get_certificate_request(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CR_SRVR_DONE_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CR_SRVR_DONE_A:\n\t\tcase SSL3_ST_CR_SRVR_DONE_B:\n\t\t\tret=ssl3_get_server_done(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->s3->tmp.cert_req)\n\t\t\t\ts->state=SSL3_ST_CW_CERT_A;\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_CW_KEY_EXCH_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_CERT_A:\n\t\tcase SSL3_ST_CW_CERT_B:\n\t\tcase SSL3_ST_CW_CERT_C:\n\t\tcase SSL3_ST_CW_CERT_D:\n\t\t\tret=ssl3_send_client_certificate(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CW_KEY_EXCH_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_KEY_EXCH_A:\n\t\tcase SSL3_ST_CW_KEY_EXCH_B:\n\t\t\tret=ssl3_send_client_key_exchange(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->s3->tmp.cert_req == 1)\n\t\t\t\t{\n\t\t\t\ts->state=SSL3_ST_CW_CERT_VRFY_A;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->state=SSL3_ST_CW_CHANGE_A;\n\t\t\t\ts->s3->change_cipher_spec=0;\n\t\t\t\t}\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_CERT_VRFY_A:\n\t\tcase SSL3_ST_CW_CERT_VRFY_B:\n\t\t\tret=ssl3_send_client_verify(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CW_CHANGE_A;\n\t\t\ts->init_num=0;\n\t\t\ts->s3->change_cipher_spec=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_CHANGE_A:\n\t\tcase SSL3_ST_CW_CHANGE_B:\n\t\t\tret=ssl3_send_change_cipher_spec(s,\n\t\t\t\tSSL3_ST_CW_CHANGE_A,SSL3_ST_CW_CHANGE_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CW_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\ts->session->cipher=s->s3->tmp.new_cipher;\n#ifdef OPENSSL_NO_COMP\n\t\t\ts->session->compress_meth=0;\n#else\n\t\t\tif (s->s3->tmp.new_compression == NULL)\n\t\t\t\ts->session->compress_meth=0;\n\t\t\telse\n\t\t\t\ts->session->compress_meth=\n\t\t\t\t\ts->s3->tmp.new_compression->id;\n#endif\n\t\t\tif (!s->method->ssl3_enc->setup_key_block(s))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif (!s->method->ssl3_enc->change_cipher_state(s,\n\t\t\t\tSSL3_CHANGE_CIPHER_CLIENT_WRITE))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_FINISHED_A:\n\t\tcase SSL3_ST_CW_FINISHED_B:\n\t\t\tret=ssl3_send_finished(s,\n\t\t\t\tSSL3_ST_CW_FINISHED_A,SSL3_ST_CW_FINISHED_B,\n\t\t\t\ts->method->ssl3_enc->client_finished_label,\n\t\t\t\ts->method->ssl3_enc->client_finished_label_len);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CW_FLUSH;\n\t\t\ts->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;\n\t\t\tif (s->hit)\n\t\t\t\t{\n\t\t\t\ts->s3->tmp.next_state=SSL_ST_OK;\n\t\t\t\tif (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)\n\t\t\t\t\t{\n\t\t\t\t\ts->state=SSL_ST_OK;\n\t\t\t\t\ts->s3->flags|=SSL3_FLAGS_POP_BUFFER;\n\t\t\t\t\ts->s3->delay_buf_pop_ret=0;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\t\tif (s->tlsext_ticket_expected)\n\t\t\t\t\ts->s3->tmp.next_state=SSL3_ST_CR_SESSION_TICKET_A;\n\t\t\t\telse\n#endif\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;\n\t\t\t\t}\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n#ifndef OPENSSL_NO_TLSEXT\n\t\tcase SSL3_ST_CR_SESSION_TICKET_A:\n\t\tcase SSL3_ST_CR_SESSION_TICKET_B:\n\t\t\tret=ssl3_get_new_session_ticket(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CR_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\tbreak;\n\t\tcase SSL3_ST_CR_CERT_STATUS_A:\n\t\tcase SSL3_ST_CR_CERT_STATUS_B:\n\t\t\tret=ssl3_get_cert_status(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_CR_KEY_EXCH_A;\n\t\t\ts->init_num=0;\n\t\tbreak;\n#endif\n\t\tcase SSL3_ST_CR_FINISHED_A:\n\t\tcase SSL3_ST_CR_FINISHED_B:\n\t\t\tret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,\n\t\t\t\tSSL3_ST_CR_FINISHED_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->hit)\n\t\t\t\ts->state=SSL3_ST_CW_CHANGE_A;\n\t\t\telse\n\t\t\t\ts->state=SSL_ST_OK;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_CW_FLUSH:\n\t\t\tnum1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);\n\t\t\tif (num1 > 0)\n\t\t\t\t{\n\t\t\t\ts->rwstate=SSL_WRITING;\n\t\t\t\tnum1=BIO_flush(s->wbio);\n\t\t\t\tif (num1 <= 0) { ret= -1; goto end; }\n\t\t\t\ts->rwstate=SSL_NOTHING;\n\t\t\t\t}\n\t\t\ts->state=s->s3->tmp.next_state;\n\t\t\tbreak;\n\t\tcase SSL_ST_OK:\n\t\t\tssl3_cleanup_key_block(s);\n\t\t\tif (s->init_buf != NULL)\n\t\t\t\t{\n\t\t\t\tBUF_MEM_free(s->init_buf);\n\t\t\t\ts->init_buf=NULL;\n\t\t\t\t}\n\t\t\tif (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))\n\t\t\t\tssl_free_wbio_buffer(s);\n\t\t\ts->init_num=0;\n\t\t\ts->new_session=0;\n\t\t\tssl_update_cache(s,SSL_SESS_CACHE_CLIENT);\n\t\t\tif (s->hit) s->ctx->stats.sess_hit++;\n\t\t\tret=1;\n\t\t\ts->handshake_func=ssl3_connect;\n\t\t\ts->ctx->stats.sess_connect_good++;\n\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);\n\t\t\tgoto end;\n\t\tdefault:\n\t\t\tSSLerr(SSL_F_SSL3_CONNECT,SSL_R_UNKNOWN_STATE);\n\t\t\tret= -1;\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (!s->s3->tmp.reuse_message && !skip)\n\t\t\t{\n\t\t\tif (s->debug)\n\t\t\t\t{\n\t\t\t\tif ((ret=BIO_flush(s->wbio)) <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif ((cb != NULL) && (s->state != state))\n\t\t\t\t{\n\t\t\t\tnew_state=s->state;\n\t\t\t\ts->state=state;\n\t\t\t\tcb(s,SSL_CB_CONNECT_LOOP,1);\n\t\t\t\ts->state=new_state;\n\t\t\t\t}\n\t\t\t}\n\t\tskip=0;\n\t\t}\nend:\n\ts->in_handshake--;\n\tif (buf != NULL)\n\t\tBUF_MEM_free(buf);\n\tif (cb != NULL)\n\t\tcb(s,SSL_CB_CONNECT_EXIT,ret);\n\treturn(ret);\n\t}', 'int ssl3_check_cert_and_algorithm(SSL *s)\n\t{\n\tint i,idx;\n\tlong alg_k,alg_a;\n\tEVP_PKEY *pkey=NULL;\n\tSESS_CERT *sc;\n#ifndef OPENSSL_NO_RSA\n\tRSA *rsa;\n#endif\n#ifndef OPENSSL_NO_DH\n\tDH *dh;\n#endif\n\tsc=s->session->sess_cert;\n\tif (sc == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR);\n\t\tgoto err;\n\t\t}\n\talg_k=s->s3->tmp.new_cipher->algorithm_mkey;\n\talg_a=s->s3->tmp.new_cipher->algorithm_auth;\n\tif ((alg_a & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK))\n\t\treturn(1);\n#ifndef OPENSSL_NO_RSA\n\trsa=s->session->sess_cert->peer_rsa_tmp;\n#endif\n#ifndef OPENSSL_NO_DH\n\tdh=s->session->sess_cert->peer_dh_tmp;\n#endif\n\tidx=sc->peer_cert_type;\n#ifndef OPENSSL_NO_ECDH\n\tif (idx == SSL_PKEY_ECC)\n\t\t{\n\t\tif (ssl_check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509,\n\t\t s->s3->tmp.new_cipher) == 0)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_BAD_ECC_CERT);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\treturn 1;\n\t\t\t}\n\t\t}\n#endif\n\tpkey=X509_get_pubkey(sc->peer_pkeys[idx].x509);\n\ti=X509_certificate_type(sc->peer_pkeys[idx].x509,pkey);\n\tEVP_PKEY_free(pkey);\n\tif ((alg_a & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_SIGNING_CERT);\n\t\tgoto f_err;\n\t\t}\n#ifndef OPENSSL_NO_DSA\n\telse if ((alg_a & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DSA_SIGNING_CERT);\n\t\tgoto f_err;\n\t\t}\n#endif\n#ifndef OPENSSL_NO_RSA\n\tif ((alg_k & SSL_kRSA) &&\n\t\t!(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL)))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_ENCRYPTING_CERT);\n\t\tgoto f_err;\n\t\t}\n#endif\n#ifndef OPENSSL_NO_DH\n\tif ((alg_k & SSL_kEDH) &&\n\t\t!(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL)))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_KEY);\n\t\tgoto f_err;\n\t\t}\n\telse if ((alg_k & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_RSA_CERT);\n\t\tgoto f_err;\n\t\t}\n#ifndef OPENSSL_NO_DSA\n\telse if ((alg_k & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_DSA_CERT);\n\t\tgoto f_err;\n\t\t}\n#endif\n#endif\n\tif (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i,EVP_PKT_EXP))\n\t\t{\n#ifndef OPENSSL_NO_RSA\n\t\tif (alg_k & SSL_kRSA)\n\t\t\t{\n\t\t\tif (rsa == NULL\n\t\t\t || RSA_size(rsa)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_RSA_KEY);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n#endif\n#ifndef OPENSSL_NO_DH\n\t\t\tif (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))\n\t\t\t {\n\t\t\t if (dh == NULL\n\t\t\t\t|| DH_size(dh)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_DH_KEY);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\treturn(1);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);\nerr:\n\treturn(0);\n\t}', 'int DH_size(const DH *dh)\n\t{\n\treturn(BN_num_bytes(dh->p));\n\t}', 'int BN_num_bits(const BIGNUM *a)\n\t{\n\tint i = a->top - 1;\n\tbn_check_top(a);\n\tif (BN_is_zero(a)) return 0;\n\treturn ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));\n\t}'] |
16,365 | 0 | https://github.com/libav/libav/blob/5788623d29c3e806a7879210986110aced758dc2/libavcodec/imgconvert.c/#L51 | static int is_gray(const AVPixFmtDescriptor *desc)
{
return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1;
} | ['int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,\n enum AVPixelFormat src_pix_fmt,\n int has_alpha)\n{\n const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);\n const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);\n int loss, i, nb_components = FFMIN(src_desc->nb_components,\n dst_desc->nb_components);\n loss = 0;\n if (dst_pix_fmt == src_pix_fmt)\n return 0;\n for (i = 0; i < nb_components; i++)\n if (src_desc->comp[i].depth > dst_desc->comp[i].depth)\n loss |= FF_LOSS_DEPTH;\n if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||\n dst_desc->log2_chroma_h > src_desc->log2_chroma_h)\n loss |= FF_LOSS_RESOLUTION;\n if ((src_desc->flags & AV_PIX_FMT_FLAG_RGB) != (dst_desc->flags & AV_PIX_FMT_FLAG_RGB))\n loss |= FF_LOSS_COLORSPACE;\n if (has_alpha && !(dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA) &&\n (src_desc->flags & AV_PIX_FMT_FLAG_ALPHA))\n loss |= FF_LOSS_ALPHA;\n if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))\n return loss | FF_LOSS_COLORQUANT;\n if (src_desc->nb_components > dst_desc->nb_components)\n if (is_gray(dst_desc))\n loss |= FF_LOSS_CHROMA;\n return loss;\n}', 'static int is_gray(const AVPixFmtDescriptor *desc)\n{\n return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1;\n}'] |
16,366 | 0 | https://github.com/openssl/openssl/blob/0770c882150ea0159cc2b0a2cea2e8ed8442f36f/crypto/evp/pmeth_lib.c/#L393 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
int cmd, int p1, void *p2)
{
int ret;
if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
return -2;
}
if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
return -1;
if (ctx->pmeth->digest_custom != NULL)
goto doit;
if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
return -1;
}
if ((optype != -1) && !(ctx->operation & optype)) {
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
return -1;
}
doit:
ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
if (ret == -2)
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
return ret;
} | ['int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)\n{\n EVP_MD_CTX_reset(ctx);\n return EVP_DigestInit_ex(ctx, type, NULL);\n}', 'int EVP_MD_CTX_reset(EVP_MD_CTX *ctx)\n{\n if (ctx == NULL)\n return 1;\n if (ctx->digest == NULL || ctx->digest->prov == NULL)\n goto legacy;\n if (ctx->provctx != NULL) {\n if (ctx->digest->freectx != NULL)\n ctx->digest->freectx(ctx->provctx);\n ctx->provctx = NULL;\n EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);\n }\n if (ctx->pctx != NULL)\n goto legacy;\n return 1;\n legacy:\n if (ctx->digest && ctx->digest->cleanup\n && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED))\n ctx->digest->cleanup(ctx);\n if (ctx->digest && ctx->digest->ctx_size && ctx->md_data\n && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) {\n OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);\n }\n if (!EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX))\n EVP_PKEY_CTX_free(ctx->pctx);\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(ctx->engine);\n#endif\n OPENSSL_cleanse(ctx, sizeof(*ctx));\n return 1;\n}', 'void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n if (ctx->pmeth && ctx->pmeth->cleanup)\n ctx->pmeth->cleanup(ctx);\n EVP_PKEY_free(ctx->pkey);\n EVP_PKEY_free(ctx->peerkey);\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(ctx->engine);\n#endif\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n INCREMENT(free_count);\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}', 'int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)\n{\n EVP_MD *provmd;\n ENGINE *tmpimpl = NULL;\n EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);\n if (type != NULL)\n ctx->reqdigest = type;\n#ifndef OPENSSL_NO_ENGINE\n if (ctx->engine && ctx->digest &&\n (type == NULL || (type->type == ctx->digest->type)))\n goto skip_to_init;\n if (type != NULL && impl == NULL)\n tmpimpl = ENGINE_get_digest_engine(type->type);\n#endif\n if (ctx->engine != NULL\n || impl != NULL\n || tmpimpl != NULL\n || ctx->pctx != NULL\n || (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) != 0) {\n if (ctx->digest == ctx->fetched_digest)\n ctx->digest = NULL;\n EVP_MD_meth_free(ctx->fetched_digest);\n ctx->fetched_digest = NULL;\n goto legacy;\n }\n if (type->prov == NULL) {\n switch(type->type) {\n case NID_sha256:\n break;\n default:\n goto legacy;\n }\n }\n if (ctx->digest != NULL && ctx->digest->ctx_size > 0) {\n OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);\n ctx->md_data = NULL;\n }\n if (type->prov == NULL) {\n provmd = EVP_MD_fetch(NULL, OBJ_nid2sn(type->type), "");\n if (provmd == NULL) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n return 0;\n }\n type = provmd;\n EVP_MD_meth_free(ctx->fetched_digest);\n ctx->fetched_digest = provmd;\n }\n ctx->digest = type;\n if (ctx->provctx == NULL) {\n ctx->provctx = ctx->digest->newctx();\n if (ctx->provctx == NULL) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n return 0;\n }\n }\n if (ctx->digest->dinit == NULL) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n return 0;\n }\n return ctx->digest->dinit(ctx->provctx);\n legacy:\n#ifndef OPENSSL_NO_ENGINE\n if (type) {\n ENGINE_finish(ctx->engine);\n if (impl != NULL) {\n if (!ENGINE_init(impl)) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n return 0;\n }\n } else {\n impl = tmpimpl;\n }\n if (impl != NULL) {\n const EVP_MD *d = ENGINE_get_digest(impl, type->type);\n if (d == NULL) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n ENGINE_finish(impl);\n return 0;\n }\n type = d;\n ctx->engine = impl;\n } else\n ctx->engine = NULL;\n } else {\n if (!ctx->digest) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_NO_DIGEST_SET);\n return 0;\n }\n type = ctx->digest;\n }\n#endif\n if (ctx->digest != type) {\n if (ctx->digest && ctx->digest->ctx_size) {\n OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);\n ctx->md_data = NULL;\n }\n ctx->digest = type;\n if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) {\n ctx->update = type->update;\n ctx->md_data = OPENSSL_zalloc(type->ctx_size);\n if (ctx->md_data == NULL) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n }\n }\n#ifndef OPENSSL_NO_ENGINE\n skip_to_init:\n#endif\n if (ctx->pctx) {\n int r;\n r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG,\n EVP_PKEY_CTRL_DIGESTINIT, 0, ctx);\n if (r <= 0 && (r != -2))\n return 0;\n }\n if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)\n return 1;\n return ctx->digest->init(ctx);\n}', 'int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,\n int cmd, int p1, void *p2)\n{\n int ret;\n if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {\n EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);\n return -2;\n }\n if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))\n return -1;\n if (ctx->pmeth->digest_custom != NULL)\n goto doit;\n if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {\n EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);\n return -1;\n }\n if ((optype != -1) && !(ctx->operation & optype)) {\n EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);\n return -1;\n }\n doit:\n ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);\n if (ret == -2)\n EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);\n return ret;\n}'] |
16,367 | 0 | https://github.com/openssl/openssl/blob/5c98b2caf5ce545fbf77611431c7084979da8177/crypto/bn/bn_ctx.c/#L440 | static void BN_POOL_release(BN_POOL *p, unsigned int num)
{
unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
p->used -= num;
while(num--)
{
bn_check_top(p->current->vals + offset);
if(!offset)
{
offset = BN_CTX_POOL_SIZE - 1;
p->current = p->current->prev;
}
else
offset--;
}
} | ['int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n\t\t\t BN_MONT_CTX *mont, BN_CTX *ctx)\n\t{\n\tBIGNUM *tmp;\n\tint ret=0;\n\tBN_CTX_start(ctx);\n\ttmp = BN_CTX_get(ctx);\n\tif (tmp == NULL) goto err;\n\tbn_check_top(tmp);\n\tif (a == b)\n\t\t{\n\t\tif (!BN_sqr(tmp,a,ctx)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_mul(tmp,a,b,ctx)) goto err;\n\t\t}\n\tif (!BN_from_montgomery(r,tmp,mont,ctx)) goto err;\n\tbn_check_top(r);\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n\t{\n\tint max,al;\n\tint ret = 0;\n\tBIGNUM *tmp,*rr;\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_sqr %d * %d\\n",a->top,a->top);\n#endif\n\tbn_check_top(a);\n\tal=a->top;\n\tif (al <= 0)\n\t\t{\n\t\tr->top=0;\n\t\treturn 1;\n\t\t}\n\tBN_CTX_start(ctx);\n\trr=(a != r) ? r : BN_CTX_get(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tif (!rr || !tmp) goto err;\n\tmax = 2 * al;\n\tif (bn_wexpand(rr,max) == NULL) goto err;\n\tif (al == 4)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[8];\n\t\tbn_sqr_normal(rr->d,a->d,4,t);\n#else\n\t\tbn_sqr_comba4(rr->d,a->d);\n#endif\n\t\t}\n\telse if (al == 8)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[16];\n\t\tbn_sqr_normal(rr->d,a->d,8,t);\n#else\n\t\tbn_sqr_comba8(rr->d,a->d);\n#endif\n\t\t}\n\telse\n\t\t{\n#if defined(BN_RECURSION)\n\t\tif (al < BN_SQR_RECURSIVE_SIZE_NORMAL)\n\t\t\t{\n\t\t\tBN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL*2];\n\t\t\tbn_sqr_normal(rr->d,a->d,al,t);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint j,k;\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,k*2) == NULL) goto err;\n\t\t\t\tbn_sqr_recursive(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,max) == NULL) goto err;\n\t\t\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\t}\n#else\n\t\tif (bn_wexpand(tmp,max) == NULL) goto err;\n\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n#endif\n\t\t}\n\trr->neg=0;\n\tif(a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n\t\trr->top = max - 1;\n\telse\n\t\trr->top = max;\n\tif (rr != r) BN_copy(r,rr);\n\tret = 1;\n err:\n\tif(rr) bn_check_top(rr);\n\tif(tmp) bn_check_top(tmp);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'int BN_from_montgomery(BIGNUM *ret, const BIGNUM *a, BN_MONT_CTX *mont,\n\t BN_CTX *ctx)\n\t{\n\tint retn=0;\n#ifdef MONT_WORD\n\tBIGNUM *n,*r;\n\tBN_ULONG *ap,*np,*rp,n0,v,*nrp;\n\tint al,nl,max,i,x,ri;\n\tBN_CTX_start(ctx);\n\tif ((r = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (!BN_copy(r,a)) goto err;\n\tn= &(mont->N);\n\tap=a->d;\n\tal=ri=mont->ri/BN_BITS2;\n\tnl=n->top;\n\tif ((al == 0) || (nl == 0)) { r->top=0; return(1); }\n\tmax=(nl+al+1);\n\tif (bn_wexpand(r,max) == NULL) goto err;\n\tif (bn_wexpand(ret,max) == NULL) goto err;\n\tr->neg=a->neg^n->neg;\n\tnp=n->d;\n\trp=r->d;\n\tnrp= &(r->d[nl]);\n#if 1\n\tfor (i=r->top; i<max; i++)\n\t\tr->d[i]=0;\n#else\n\tmemset(&(r->d[r->top]),0,(max-r->top)*sizeof(BN_ULONG));\n#endif\n\tr->top=max;\n\tn0=mont->n0;\n#ifdef BN_COUNT\n\tfprintf(stderr,"word BN_from_montgomery %d * %d\\n",nl,nl);\n#endif\n\tfor (i=0; i<nl; i++)\n\t\t{\n#ifdef __TANDEM\n {\n long long t1;\n long long t2;\n long long t3;\n t1 = rp[0] * (n0 & 0177777);\n t2 = 037777600000l;\n t2 = n0 & t2;\n t3 = rp[0] & 0177777;\n t2 = (t3 * t2) & BN_MASK2;\n t1 = t1 + t2;\n v=bn_mul_add_words(rp,np,nl,(BN_ULONG) t1);\n }\n#else\n\t\tv=bn_mul_add_words(rp,np,nl,(rp[0]*n0)&BN_MASK2);\n#endif\n\t\tnrp++;\n\t\trp++;\n\t\tif (((nrp[-1]+=v)&BN_MASK2) >= v)\n\t\t\tcontinue;\n\t\telse\n\t\t\t{\n\t\t\tif (((++nrp[0])&BN_MASK2) != 0) continue;\n\t\t\tif (((++nrp[1])&BN_MASK2) != 0) continue;\n\t\t\tfor (x=2; (((++nrp[x])&BN_MASK2) == 0); x++) ;\n\t\t\t}\n\t\t}\n\tbn_correct_top(r);\n#if 0\n\tBN_rshift(ret,r,mont->ri);\n#else\n\tret->neg = r->neg;\n\tx=ri;\n\trp=ret->d;\n\tap= &(r->d[x]);\n\tif (r->top < x)\n\t\tal=0;\n\telse\n\t\tal=r->top-x;\n\tret->top=al;\n\tal-=4;\n\tfor (i=0; i<al; i+=4)\n\t\t{\n\t\tBN_ULONG t1,t2,t3,t4;\n\t\tt1=ap[i+0];\n\t\tt2=ap[i+1];\n\t\tt3=ap[i+2];\n\t\tt4=ap[i+3];\n\t\trp[i+0]=t1;\n\t\trp[i+1]=t2;\n\t\trp[i+2]=t3;\n\t\trp[i+3]=t4;\n\t\t}\n\tal+=4;\n\tfor (; i<al; i++)\n\t\trp[i]=ap[i];\n#endif\n#else\n\tBIGNUM *t1,*t2;\n\tBN_CTX_start(ctx);\n\tt1 = BN_CTX_get(ctx);\n\tt2 = BN_CTX_get(ctx);\n\tif (t1 == NULL || t2 == NULL) goto err;\n\tif (!BN_copy(t1,a)) goto err;\n\tBN_mask_bits(t1,mont->ri);\n\tif (!BN_mul(t2,t1,&mont->Ni,ctx)) goto err;\n\tBN_mask_bits(t2,mont->ri);\n\tif (!BN_mul(t1,t2,&mont->N,ctx)) goto err;\n\tif (!BN_add(t2,a,t1)) goto err;\n\tif (!BN_rshift(ret,t2,mont->ri)) goto err;\n#endif\n\tif (BN_ucmp(ret, &(mont->N)) >= 0)\n\t\t{\n\t\tif (!BN_usub(ret,ret,&(mont->N))) goto err;\n\t\t}\n\tretn=1;\n\tbn_check_top(ret);\n err:\n\tBN_CTX_end(ctx);\n\treturn(retn);\n\t}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n\t{\n\tBIGNUM *ret;\n\tCTXDBG_ENTRY("BN_CTX_get", ctx);\n\tif(ctx->err_stack || ctx->too_many) return NULL;\n\tif((ret = BN_POOL_get(&ctx->pool)) == NULL)\n\t\t{\n\t\tctx->too_many = 1;\n\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\treturn NULL;\n\t\t}\n\tBN_zero(ret);\n\tctx->used++;\n\tCTXDBG_RET(ctx, ret);\n\treturn ret;\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static void BN_POOL_release(BN_POOL *p, unsigned int num)\n\t{\n\tunsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;\n\tp->used -= num;\n\twhile(num--)\n\t\t{\n\t\tbn_check_top(p->current->vals + offset);\n\t\tif(!offset)\n\t\t\t{\n\t\t\toffset = BN_CTX_POOL_SIZE - 1;\n\t\t\tp->current = p->current->prev;\n\t\t\t}\n\t\telse\n\t\t\toffset--;\n\t\t}\n\t}'] |
16,368 | 0 | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244 | u_char *
ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
{
u_char *p, zero, *last;
int d;
float f, scale;
size_t len, slen;
int64_t i64;
uint64_t ui64;
ngx_msec_t ms;
ngx_uint_t width, sign, hex, max_width, frac_width, i;
ngx_str_t *v;
ngx_variable_value_t *vv;
if (max == 0) {
return buf;
}
last = buf + max;
while (*fmt && buf < last) {
if (*fmt == '%') {
i64 = 0;
ui64 = 0;
zero = (u_char) ((*++fmt == '0') ? '0' : ' ');
width = 0;
sign = 1;
hex = 0;
max_width = 0;
frac_width = 0;
slen = (size_t) -1;
while (*fmt >= '0' && *fmt <= '9') {
width = width * 10 + *fmt++ - '0';
}
for ( ;; ) {
switch (*fmt) {
case 'u':
sign = 0;
fmt++;
continue;
case 'm':
max_width = 1;
fmt++;
continue;
case 'X':
hex = 2;
sign = 0;
fmt++;
continue;
case 'x':
hex = 1;
sign = 0;
fmt++;
continue;
case '.':
fmt++;
while (*fmt >= '0' && *fmt <= '9') {
frac_width = frac_width * 10 + *fmt++ - '0';
}
break;
case '*':
slen = va_arg(args, size_t);
fmt++;
continue;
default:
break;
}
break;
}
switch (*fmt) {
case 'V':
v = va_arg(args, ngx_str_t *);
len = v->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, v->data, len);
fmt++;
continue;
case 'v':
vv = va_arg(args, ngx_variable_value_t *);
len = vv->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, vv->data, len);
fmt++;
continue;
case 's':
p = va_arg(args, u_char *);
if (slen == (size_t) -1) {
while (*p && buf < last) {
*buf++ = *p++;
}
} else {
len = (buf + slen < last) ? slen : (size_t) (last - buf);
buf = ngx_cpymem(buf, p, len);
}
fmt++;
continue;
case 'O':
i64 = (int64_t) va_arg(args, off_t);
sign = 1;
break;
case 'P':
i64 = (int64_t) va_arg(args, ngx_pid_t);
sign = 1;
break;
case 'T':
i64 = (int64_t) va_arg(args, time_t);
sign = 1;
break;
case 'M':
ms = (ngx_msec_t) va_arg(args, ngx_msec_t);
if ((ngx_msec_int_t) ms == -1) {
sign = 1;
i64 = -1;
} else {
sign = 0;
ui64 = (uint64_t) ms;
}
break;
case 'z':
if (sign) {
i64 = (int64_t) va_arg(args, ssize_t);
} else {
ui64 = (uint64_t) va_arg(args, size_t);
}
break;
case 'i':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_uint_t);
}
if (max_width) {
width = NGX_INT_T_LEN;
}
break;
case 'd':
if (sign) {
i64 = (int64_t) va_arg(args, int);
} else {
ui64 = (uint64_t) va_arg(args, u_int);
}
break;
case 'l':
if (sign) {
i64 = (int64_t) va_arg(args, long);
} else {
ui64 = (uint64_t) va_arg(args, u_long);
}
break;
case 'D':
if (sign) {
i64 = (int64_t) va_arg(args, int32_t);
} else {
ui64 = (uint64_t) va_arg(args, uint32_t);
}
break;
case 'L':
if (sign) {
i64 = va_arg(args, int64_t);
} else {
ui64 = va_arg(args, uint64_t);
}
break;
case 'A':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_atomic_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);
}
if (max_width) {
width = NGX_ATOMIC_T_LEN;
}
break;
case 'f':
f = (float) va_arg(args, double);
if (f < 0) {
*buf++ = '-';
f = -f;
}
ui64 = (int64_t) f;
buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);
if (frac_width) {
if (buf < last) {
*buf++ = '.';
}
scale = 1.0;
for (i = 0; i < frac_width; i++) {
scale *= 10.0;
}
ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);
buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);
}
fmt++;
continue;
#if !(NGX_WIN32)
case 'r':
i64 = (int64_t) va_arg(args, rlim_t);
sign = 1;
break;
#endif
case 'p':
ui64 = (uintptr_t) va_arg(args, void *);
hex = 2;
sign = 0;
zero = '0';
width = NGX_PTR_SIZE * 2;
break;
case 'c':
d = va_arg(args, int);
*buf++ = (u_char) (d & 0xff);
fmt++;
continue;
case 'Z':
*buf++ = '\0';
fmt++;
continue;
case 'N':
#if (NGX_WIN32)
*buf++ = CR;
#endif
*buf++ = LF;
fmt++;
continue;
case '%':
*buf++ = '%';
fmt++;
continue;
default:
*buf++ = *fmt++;
continue;
}
if (sign) {
if (i64 < 0) {
*buf++ = '-';
ui64 = (uint64_t) -i64;
} else {
ui64 = (uint64_t) i64;
}
}
buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);
fmt++;
} else {
*buf++ = *fmt++;
}
}
return buf;
} | ['static ngx_int_t\nngx_http_variable_server_port(ngx_http_request_t *r,\n ngx_http_variable_value_t *v, uintptr_t data)\n{\n ngx_uint_t port;\n struct sockaddr_in *sin;\n#if (NGX_HAVE_INET6)\n struct sockaddr_in6 *sin6;\n#endif\n v->len = 0;\n v->valid = 1;\n v->no_cacheable = 0;\n v->not_found = 0;\n if (ngx_http_server_addr(r, NULL) != NGX_OK) {\n return NGX_ERROR;\n }\n v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);\n if (v->data == NULL) {\n return NGX_ERROR;\n }\n switch (r->connection->local_sockaddr->sa_family) {\n#if (NGX_HAVE_INET6)\n case AF_INET6:\n sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr;\n port = ntohs(sin6->sin6_port);\n break;\n#endif\n default:\n sin = (struct sockaddr_in *) r->connection->local_sockaddr;\n port = ntohs(sin->sin_port);\n break;\n }\n if (port > 0 && port < 65536) {\n v->len = ngx_sprintf(v->data, "%ui", port) - v->data;\n }\n return NGX_OK;\n}', 'void *\nngx_pnalloc(ngx_pool_t *pool, size_t size)\n{\n u_char *m;\n ngx_pool_t *p;\n if (size <= pool->max) {\n p = pool->current;\n do {\n m = p->d.last;\n if ((size_t) (p->d.end - m) >= size) {\n p->d.last = m + size;\n return m;\n }\n p = p->d.next;\n } while (p);\n return ngx_palloc_block(pool, size);\n }\n return ngx_palloc_large(pool, size);\n}', 'u_char * ngx_cdecl\nngx_sprintf(u_char *buf, const char *fmt, ...)\n{\n u_char *p;\n va_list args;\n va_start(args, fmt);\n p = ngx_vsnprintf(buf, 65536, fmt, args);\n va_end(args);\n return p;\n}', "u_char *\nngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)\n{\n u_char *p, zero, *last;\n int d;\n float f, scale;\n size_t len, slen;\n int64_t i64;\n uint64_t ui64;\n ngx_msec_t ms;\n ngx_uint_t width, sign, hex, max_width, frac_width, i;\n ngx_str_t *v;\n ngx_variable_value_t *vv;\n if (max == 0) {\n return buf;\n }\n last = buf + max;\n while (*fmt && buf < last) {\n if (*fmt == '%') {\n i64 = 0;\n ui64 = 0;\n zero = (u_char) ((*++fmt == '0') ? '0' : ' ');\n width = 0;\n sign = 1;\n hex = 0;\n max_width = 0;\n frac_width = 0;\n slen = (size_t) -1;\n while (*fmt >= '0' && *fmt <= '9') {\n width = width * 10 + *fmt++ - '0';\n }\n for ( ;; ) {\n switch (*fmt) {\n case 'u':\n sign = 0;\n fmt++;\n continue;\n case 'm':\n max_width = 1;\n fmt++;\n continue;\n case 'X':\n hex = 2;\n sign = 0;\n fmt++;\n continue;\n case 'x':\n hex = 1;\n sign = 0;\n fmt++;\n continue;\n case '.':\n fmt++;\n while (*fmt >= '0' && *fmt <= '9') {\n frac_width = frac_width * 10 + *fmt++ - '0';\n }\n break;\n case '*':\n slen = va_arg(args, size_t);\n fmt++;\n continue;\n default:\n break;\n }\n break;\n }\n switch (*fmt) {\n case 'V':\n v = va_arg(args, ngx_str_t *);\n len = v->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, v->data, len);\n fmt++;\n continue;\n case 'v':\n vv = va_arg(args, ngx_variable_value_t *);\n len = vv->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, vv->data, len);\n fmt++;\n continue;\n case 's':\n p = va_arg(args, u_char *);\n if (slen == (size_t) -1) {\n while (*p && buf < last) {\n *buf++ = *p++;\n }\n } else {\n len = (buf + slen < last) ? slen : (size_t) (last - buf);\n buf = ngx_cpymem(buf, p, len);\n }\n fmt++;\n continue;\n case 'O':\n i64 = (int64_t) va_arg(args, off_t);\n sign = 1;\n break;\n case 'P':\n i64 = (int64_t) va_arg(args, ngx_pid_t);\n sign = 1;\n break;\n case 'T':\n i64 = (int64_t) va_arg(args, time_t);\n sign = 1;\n break;\n case 'M':\n ms = (ngx_msec_t) va_arg(args, ngx_msec_t);\n if ((ngx_msec_int_t) ms == -1) {\n sign = 1;\n i64 = -1;\n } else {\n sign = 0;\n ui64 = (uint64_t) ms;\n }\n break;\n case 'z':\n if (sign) {\n i64 = (int64_t) va_arg(args, ssize_t);\n } else {\n ui64 = (uint64_t) va_arg(args, size_t);\n }\n break;\n case 'i':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_uint_t);\n }\n if (max_width) {\n width = NGX_INT_T_LEN;\n }\n break;\n case 'd':\n if (sign) {\n i64 = (int64_t) va_arg(args, int);\n } else {\n ui64 = (uint64_t) va_arg(args, u_int);\n }\n break;\n case 'l':\n if (sign) {\n i64 = (int64_t) va_arg(args, long);\n } else {\n ui64 = (uint64_t) va_arg(args, u_long);\n }\n break;\n case 'D':\n if (sign) {\n i64 = (int64_t) va_arg(args, int32_t);\n } else {\n ui64 = (uint64_t) va_arg(args, uint32_t);\n }\n break;\n case 'L':\n if (sign) {\n i64 = va_arg(args, int64_t);\n } else {\n ui64 = va_arg(args, uint64_t);\n }\n break;\n case 'A':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_atomic_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);\n }\n if (max_width) {\n width = NGX_ATOMIC_T_LEN;\n }\n break;\n case 'f':\n f = (float) va_arg(args, double);\n if (f < 0) {\n *buf++ = '-';\n f = -f;\n }\n ui64 = (int64_t) f;\n buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);\n if (frac_width) {\n if (buf < last) {\n *buf++ = '.';\n }\n scale = 1.0;\n for (i = 0; i < frac_width; i++) {\n scale *= 10.0;\n }\n ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);\n buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);\n }\n fmt++;\n continue;\n#if !(NGX_WIN32)\n case 'r':\n i64 = (int64_t) va_arg(args, rlim_t);\n sign = 1;\n break;\n#endif\n case 'p':\n ui64 = (uintptr_t) va_arg(args, void *);\n hex = 2;\n sign = 0;\n zero = '0';\n width = NGX_PTR_SIZE * 2;\n break;\n case 'c':\n d = va_arg(args, int);\n *buf++ = (u_char) (d & 0xff);\n fmt++;\n continue;\n case 'Z':\n *buf++ = '\\0';\n fmt++;\n continue;\n case 'N':\n#if (NGX_WIN32)\n *buf++ = CR;\n#endif\n *buf++ = LF;\n fmt++;\n continue;\n case '%':\n *buf++ = '%';\n fmt++;\n continue;\n default:\n *buf++ = *fmt++;\n continue;\n }\n if (sign) {\n if (i64 < 0) {\n *buf++ = '-';\n ui64 = (uint64_t) -i64;\n } else {\n ui64 = (uint64_t) i64;\n }\n }\n buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);\n fmt++;\n } else {\n *buf++ = *fmt++;\n }\n }\n return buf;\n}"] |
16,369 | 0 | https://github.com/openssl/openssl/blob/4b8515baa6edef1a771f9e4e3fbc0395b4a629e8/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,\n const BIGNUM *b, const BIGNUM *N)\n{\n BIGNUM *tmp = NULL, *S = NULL;\n BN_CTX *bn_ctx;\n if (u == NULL || A == NULL || v == NULL || b == NULL || N == NULL)\n return NULL;\n if ((bn_ctx = BN_CTX_new()) == NULL || (tmp = BN_new()) == NULL)\n goto err;\n if (!BN_mod_exp(tmp, v, u, N, bn_ctx))\n goto err;\n if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))\n goto err;\n S = BN_new();\n if (S != NULL && !BN_mod_exp(S, tmp, b, N, bn_ctx)) {\n BN_free(S);\n S = NULL;\n }\n err:\n BN_CTX_free(bn_ctx);\n BN_clear_free(tmp);\n return S;\n}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n if (BN_is_odd(m)) {\n# ifdef MONT_EXP_WORD\n if (a->top == 1 && !a->neg\n && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)) {\n BN_ULONG A = a->d[0];\n ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);\n } else\n# endif\n ret = BN_mod_exp_mont(r, a, p, m, ctx, NULL);\n } else\n#endif\n#ifdef RECP_MUL_MOD\n {\n ret = BN_mod_exp_recp(r, a, p, m, ctx);\n }\n#else\n {\n ret = BN_mod_exp_simple(r, a, p, m, ctx);\n }\n#endif\n bn_check_top(r);\n return (ret);\n}', 'int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_RECP_CTX recp;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_RECP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(r);\n } else {\n ret = BN_one(r);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n aa = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n BN_RECP_CTX_init(&recp);\n if (m->neg) {\n if (!BN_copy(aa, m))\n goto err;\n aa->neg = 0;\n if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0)\n goto err;\n } else {\n if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)\n goto err;\n }\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n if (BN_is_zero(val[0])) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n if (!BN_one(r))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start)\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n }\n if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_RECP_CTX_free(&recp);\n bn_check_top(r);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,370 | 0 | https://github.com/libav/libav/blob/bd141f5ec97f394d1043a2f9778d74ba1008db26/libavformat/utils.c/#L2656 | void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
}
if (st->attached_pic.data)
av_free_packet(&st->attached_pic);
av_dict_free(&st->metadata);
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec->subtitle_header);
av_free(st->codec);
av_free(st->priv_data);
av_free(st->info);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_dict_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
av_freep(&s->programs);
av_freep(&s->priv_data);
while(s->nb_chapters--) {
av_dict_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
av_dict_free(&s->metadata);
av_freep(&s->streams);
av_free(s);
} | ['static int seg_write_trailer(struct AVFormatContext *s)\n{\n SegmentContext *seg = s->priv_data;\n AVFormatContext *oc = seg->avf;\n int ret;\n if (!seg->write_header_trailer) {\n if ((ret = segment_end(oc, 0)) < 0)\n goto fail;\n open_null_ctx(&oc->pb);\n ret = av_write_trailer(oc);\n close_null_ctx(oc->pb);\n } else {\n ret = segment_end(oc, 1);\n }\n if (ret < 0)\n goto fail;\n if (seg->list && seg->list_type == LIST_HLS) {\n if ((ret = segment_hls_window(s, 1) < 0))\n goto fail;\n }\nfail:\n avio_close(seg->pb);\n avformat_free_context(oc);\n return ret;\n}', 'static int segment_end(AVFormatContext *oc, int write_trailer)\n{\n int ret = 0;\n av_write_frame(oc, NULL);\n if (write_trailer)\n av_write_trailer(oc);\n avio_close(oc->pb);\n return ret;\n}', 'int av_write_trailer(AVFormatContext *s)\n{\n int ret, i;\n for (;; ) {\n AVPacket pkt;\n ret = interleave_packet(s, &pkt, NULL, 1);\n if (ret < 0)\n goto fail;\n if (!ret)\n break;\n ret = s->oformat->write_packet(s, &pkt);\n if (ret >= 0)\n s->streams[pkt.stream_index]->nb_frames++;\n av_free_packet(&pkt);\n if (ret < 0)\n goto fail;\n }\n if (s->oformat->write_trailer)\n ret = s->oformat->write_trailer(s);\n if (!(s->oformat->flags & AVFMT_NOFILE))\n avio_flush(s->pb);\nfail:\n for (i = 0; i < s->nb_streams; i++) {\n av_freep(&s->streams[i]->priv_data);\n av_freep(&s->streams[i]->index_entries);\n }\n if (s->oformat->priv_class)\n av_opt_free(s->priv_data);\n av_freep(&s->priv_data);\n return ret;\n}', 'static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)\n{\n if (s->oformat->interleave_packet) {\n int ret = s->oformat->interleave_packet(s, out, in, flush);\n if (in)\n av_free_packet(in);\n return ret;\n } else\n return ff_interleave_packet_per_dts(s, out, in, flush);\n}', 'int avio_close(AVIOContext *s)\n{\n URLContext *h;\n if (!s)\n return 0;\n avio_flush(s);\n h = s->opaque;\n av_freep(&s->buffer);\n av_free(s);\n return ffurl_close(h);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n AVStream *st;\n av_opt_free(s);\n if (s->iformat && s->iformat->priv_class && s->priv_data)\n av_opt_free(s->priv_data);\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->parser) {\n av_parser_close(st->parser);\n }\n if (st->attached_pic.data)\n av_free_packet(&st->attached_pic);\n av_dict_free(&st->metadata);\n av_free(st->index_entries);\n av_free(st->codec->extradata);\n av_free(st->codec->subtitle_header);\n av_free(st->codec);\n av_free(st->priv_data);\n av_free(st->info);\n av_free(st);\n }\n for(i=s->nb_programs-1; i>=0; i--) {\n av_dict_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while(s->nb_chapters--) {\n av_dict_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_dict_free(&s->metadata);\n av_freep(&s->streams);\n av_free(s);\n}'] |
16,371 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L271 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['EC_GROUP *EC_GROUP_new_from_ecparameters(const ECPARAMETERS *params)\n{\n int ok = 0, tmp;\n EC_GROUP *ret = NULL;\n BIGNUM *p = NULL, *a = NULL, *b = NULL;\n EC_POINT *point = NULL;\n long field_bits;\n if (!params->fieldID || !params->fieldID->fieldType ||\n !params->fieldID->p.ptr) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n if (!params->curve || !params->curve->a ||\n !params->curve->a->data || !params->curve->b ||\n !params->curve->b->data) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n a = BN_bin2bn(params->curve->a->data, params->curve->a->length, NULL);\n if (a == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_BN_LIB);\n goto err;\n }\n b = BN_bin2bn(params->curve->b->data, params->curve->b->length, NULL);\n if (b == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_BN_LIB);\n goto err;\n }\n tmp = OBJ_obj2nid(params->fieldID->fieldType);\n if (tmp == NID_X9_62_characteristic_two_field)\n#ifdef OPENSSL_NO_EC2M\n {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_GF2M_NOT_SUPPORTED);\n goto err;\n }\n#else\n {\n X9_62_CHARACTERISTIC_TWO *char_two;\n char_two = params->fieldID->p.char_two;\n field_bits = char_two->m;\n if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_FIELD_TOO_LARGE);\n goto err;\n }\n if ((p = BN_new()) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n tmp = OBJ_obj2nid(char_two->type);\n if (tmp == NID_X9_62_tpBasis) {\n long tmp_long;\n if (!char_two->p.tpBasis) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n tmp_long = ASN1_INTEGER_get(char_two->p.tpBasis);\n if (!(char_two->m > tmp_long && tmp_long > 0)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS,\n EC_R_INVALID_TRINOMIAL_BASIS);\n goto err;\n }\n if (!BN_set_bit(p, (int)char_two->m))\n goto err;\n if (!BN_set_bit(p, (int)tmp_long))\n goto err;\n if (!BN_set_bit(p, 0))\n goto err;\n } else if (tmp == NID_X9_62_ppBasis) {\n X9_62_PENTANOMIAL *penta;\n penta = char_two->p.ppBasis;\n if (!penta) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n if (!\n (char_two->m > penta->k3 && penta->k3 > penta->k2\n && penta->k2 > penta->k1 && penta->k1 > 0)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS,\n EC_R_INVALID_PENTANOMIAL_BASIS);\n goto err;\n }\n if (!BN_set_bit(p, (int)char_two->m))\n goto err;\n if (!BN_set_bit(p, (int)penta->k1))\n goto err;\n if (!BN_set_bit(p, (int)penta->k2))\n goto err;\n if (!BN_set_bit(p, (int)penta->k3))\n goto err;\n if (!BN_set_bit(p, 0))\n goto err;\n } else if (tmp == NID_X9_62_onBasis) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_NOT_IMPLEMENTED);\n goto err;\n } else {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n ret = EC_GROUP_new_curve_GF2m(p, a, b, NULL);\n }\n#endif\n else if (tmp == NID_X9_62_prime_field) {\n if (!params->fieldID->p.prime) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n p = ASN1_INTEGER_to_BN(params->fieldID->p.prime, NULL);\n if (p == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_ASN1_LIB);\n goto err;\n }\n if (BN_is_negative(p) || BN_is_zero(p)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_INVALID_FIELD);\n goto err;\n }\n field_bits = BN_num_bits(p);\n if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_FIELD_TOO_LARGE);\n goto err;\n }\n ret = EC_GROUP_new_curve_GFp(p, a, b, NULL);\n } else {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_INVALID_FIELD);\n goto err;\n }\n if (ret == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_EC_LIB);\n goto err;\n }\n if (params->curve->seed != NULL) {\n OPENSSL_free(ret->seed);\n if ((ret->seed = OPENSSL_malloc(params->curve->seed->length)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n memcpy(ret->seed, params->curve->seed->data,\n params->curve->seed->length);\n ret->seed_len = params->curve->seed->length;\n }\n if (!params->order || !params->base || !params->base->data) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_ASN1_ERROR);\n goto err;\n }\n if ((point = EC_POINT_new(ret)) == NULL)\n goto err;\n EC_GROUP_set_point_conversion_form(ret, (point_conversion_form_t)\n (params->base->data[0] & ~0x01));\n if (!EC_POINT_oct2point(ret, point, params->base->data,\n params->base->length, NULL)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_EC_LIB);\n goto err;\n }\n if ((a = ASN1_INTEGER_to_BN(params->order, a)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_ASN1_LIB);\n goto err;\n }\n if (BN_is_negative(a) || BN_is_zero(a)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_INVALID_GROUP_ORDER);\n goto err;\n }\n if (BN_num_bits(a) > (int)field_bits + 1) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, EC_R_INVALID_GROUP_ORDER);\n goto err;\n }\n if (params->cofactor == NULL) {\n BN_free(b);\n b = NULL;\n } else if ((b = ASN1_INTEGER_to_BN(params->cofactor, b)) == NULL) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_ASN1_LIB);\n goto err;\n }\n if (!EC_GROUP_set_generator(ret, point, a, b)) {\n ECerr(EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS, ERR_R_EC_LIB);\n goto err;\n }\n ok = 1;\n err:\n if (!ok) {\n EC_GROUP_clear_free(ret);\n ret = NULL;\n }\n BN_free(p);\n BN_free(a);\n BN_free(b);\n EC_POINT_free(point);\n return (ret);\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return (NULL);\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return (ret);\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return (ret);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,372 | 0 | https://github.com/libav/libav/blob/03f8fc0897c128028111182e6276139fa00b891b/libavcodec/kgv1dec.c/#L91 | static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = buf + avpkt->size;
KgvContext * const c = avctx->priv_data;
int offsets[7];
uint16_t *out, *prev;
int outcnt = 0, maxcnt;
int w, h, i;
if (avpkt->size < 2)
return -1;
w = (buf[0] + 1) * 8;
h = (buf[1] + 1) * 8;
buf += 2;
if (avcodec_check_dimensions(avctx, w, h))
return -1;
if (w != avctx->width || h != avctx->height)
avcodec_set_dimensions(avctx, w, h);
maxcnt = w * h;
out = av_realloc(c->cur, w * h * 2);
if (!out)
return -1;
c->cur = out;
prev = av_realloc(c->prev, w * h * 2);
if (!prev)
return -1;
c->prev = prev;
for (i = 0; i < 7; i++)
offsets[i] = -1;
while (outcnt < maxcnt && buf_end - 2 > buf) {
int code = AV_RL16(buf);
buf += 2;
if (!(code & 0x8000)) {
out[outcnt++] = code;
} else {
int count;
uint16_t *inp;
if ((code & 0x6000) == 0x6000) {
int oidx = (code >> 10) & 7;
int start;
count = (code & 0x3FF) + 3;
if (offsets[oidx] < 0) {
if (buf_end - 3 < buf)
break;
offsets[oidx] = AV_RL24(buf);
buf += 3;
}
start = (outcnt + offsets[oidx]) % maxcnt;
if (maxcnt - start < count)
break;
inp = prev + start;
} else {
int offset = (code & 0x1FFF) + 1;
if (!(code & 0x6000)) {
count = 2;
} else if ((code & 0x6000) == 0x2000) {
count = 3;
} else {
if (buf_end - 1 < buf)
break;
count = 4 + *buf++;
}
if (outcnt < offset)
break;
inp = out + outcnt - offset;
}
if (maxcnt - outcnt < count)
break;
for (i = 0; i < count; i++)
out[outcnt++] = inp[i];
}
}
if (outcnt - maxcnt)
av_log(avctx, AV_LOG_DEBUG, "frame finished with %d diff\n", outcnt - maxcnt);
c->pic.data[0] = (uint8_t *)c->cur;
c->pic.linesize[0] = w * 2;
*data_size = sizeof(AVFrame);
*(AVFrame*)data = c->pic;
FFSWAP(uint16_t *, c->cur, c->prev);
return avpkt->size;
} | ['static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n const uint8_t *buf_end = buf + avpkt->size;\n KgvContext * const c = avctx->priv_data;\n int offsets[7];\n uint16_t *out, *prev;\n int outcnt = 0, maxcnt;\n int w, h, i;\n if (avpkt->size < 2)\n return -1;\n w = (buf[0] + 1) * 8;\n h = (buf[1] + 1) * 8;\n buf += 2;\n if (avcodec_check_dimensions(avctx, w, h))\n return -1;\n if (w != avctx->width || h != avctx->height)\n avcodec_set_dimensions(avctx, w, h);\n maxcnt = w * h;\n out = av_realloc(c->cur, w * h * 2);\n if (!out)\n return -1;\n c->cur = out;\n prev = av_realloc(c->prev, w * h * 2);\n if (!prev)\n return -1;\n c->prev = prev;\n for (i = 0; i < 7; i++)\n offsets[i] = -1;\n while (outcnt < maxcnt && buf_end - 2 > buf) {\n int code = AV_RL16(buf);\n buf += 2;\n if (!(code & 0x8000)) {\n out[outcnt++] = code;\n } else {\n int count;\n uint16_t *inp;\n if ((code & 0x6000) == 0x6000) {\n int oidx = (code >> 10) & 7;\n int start;\n count = (code & 0x3FF) + 3;\n if (offsets[oidx] < 0) {\n if (buf_end - 3 < buf)\n break;\n offsets[oidx] = AV_RL24(buf);\n buf += 3;\n }\n start = (outcnt + offsets[oidx]) % maxcnt;\n if (maxcnt - start < count)\n break;\n inp = prev + start;\n } else {\n int offset = (code & 0x1FFF) + 1;\n if (!(code & 0x6000)) {\n count = 2;\n } else if ((code & 0x6000) == 0x2000) {\n count = 3;\n } else {\n if (buf_end - 1 < buf)\n break;\n count = 4 + *buf++;\n }\n if (outcnt < offset)\n break;\n inp = out + outcnt - offset;\n }\n if (maxcnt - outcnt < count)\n break;\n for (i = 0; i < count; i++)\n out[outcnt++] = inp[i];\n }\n }\n if (outcnt - maxcnt)\n av_log(avctx, AV_LOG_DEBUG, "frame finished with %d diff\\n", outcnt - maxcnt);\n c->pic.data[0] = (uint8_t *)c->cur;\n c->pic.linesize[0] = w * 2;\n *data_size = sizeof(AVFrame);\n *(AVFrame*)data = c->pic;\n FFSWAP(uint16_t *, c->cur, c->prev);\n return avpkt->size;\n}'] |
16,373 | 0 | https://github.com/openssl/openssl/blob/68a55f3b451060c747986aeffa322d32c770dd62/test/evp_test.c/#L1834 | static int encode_test_init(struct evp_test *t, const char *encoding)
{
struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
if (strcmp(encoding, "canonical") == 0) {
edata->encoding = BASE64_CANONICAL_ENCODING;
} else if (strcmp(encoding, "valid") == 0) {
edata->encoding = BASE64_VALID_ENCODING;
} else if (strcmp(encoding, "invalid") == 0) {
edata->encoding = BASE64_INVALID_ENCODING;
t->expected_err = OPENSSL_strdup("DECODE_ERROR");
if (t->expected_err == NULL)
return 0;
} else {
fprintf(stderr, "Bad encoding: %s. Should be one of "
"{canonical, valid, invalid}\n", encoding);
return 0;
}
t->data = edata;
return 1;
} | ['static int encode_test_init(struct evp_test *t, const char *encoding)\n{\n struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));\n if (strcmp(encoding, "canonical") == 0) {\n edata->encoding = BASE64_CANONICAL_ENCODING;\n } else if (strcmp(encoding, "valid") == 0) {\n edata->encoding = BASE64_VALID_ENCODING;\n } else if (strcmp(encoding, "invalid") == 0) {\n edata->encoding = BASE64_INVALID_ENCODING;\n t->expected_err = OPENSSL_strdup("DECODE_ERROR");\n if (t->expected_err == NULL)\n return 0;\n } else {\n fprintf(stderr, "Bad encoding: %s. Should be one of "\n "{canonical, valid, invalid}\\n", encoding);\n return 0;\n }\n t->data = edata;\n return 1;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
16,374 | 0 | https://github.com/openssl/openssl/blob/ee6b68ce4c67870f9323d2a380eb949f447c56ee/test/testutil/tests.c/#L303 | static char *print_mem_maybe_null(const void *s, size_t n,
char outbuf[MEM_BUFFER_SIZE])
{
size_t i;
const unsigned char *p = (const unsigned char *)s;
char *out = outbuf;
int pad = 2 * n >= MEM_BUFFER_SIZE;
if (s == NULL)
return strcpy(outbuf, "(NULL)");
if (pad) {
if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {
out = outbuf;
n = (MEM_BUFFER_SIZE - 4) / 2;
} else {
pad = 0;
}
}
for (i = 0; i < 2 * n; ) {
const unsigned char c = *p++;
out[i++] = "0123456789abcdef"[c >> 4];
out[i++] = "0123456789abcdef"[c & 15];
}
if (pad) {
out[i++] = '.';
out[i++] = '.';
out[i++] = '.';
}
out[i] = '\0';
return out;
} | ['static int test_cts128(int idx)\n{\n SETUP_TEST_FIXTURE(CTS128_FIXTURE, setup_cts128);\n fixture.transform_output = transform_output;\n fixture.encrypt_block = CRYPTO_cts128_encrypt_block;\n fixture.encrypt = CRYPTO_cts128_encrypt;\n fixture.decrypt_block = CRYPTO_cts128_decrypt_block;\n fixture.decrypt = CRYPTO_cts128_decrypt;\n fixture.case_name = "cts128";\n fixture.num = idx;\n EXECUTE_TEST_NO_TEARDOWN(execute_cts128);\n}', 'static int execute_cts128(CTS128_FIXTURE fixture)\n{\n const unsigned char *test_iv = cts128_test_iv;\n size_t test_iv_len = sizeof(cts128_test_iv);\n const unsigned char *orig_vector = cts128_vectors[fixture.num].data;\n size_t len = cts128_vectors[fixture.num].size;\n const unsigned char *test_input = cts128_test_input;\n const AES_KEY *encrypt_key_schedule = cts128_encrypt_key_schedule();\n const AES_KEY *decrypt_key_schedule = cts128_decrypt_key_schedule();\n unsigned char iv[16];\n unsigned char cleartext[64], ciphertext[64], vector[64];\n size_t tail;\n TEST_info("%s_vector_%lu", fixture.case_name, (unsigned long)len);\n tail = fixture.transform_output(orig_vector, vector, len);\n memcpy(iv, test_iv, test_iv_len);\n fixture.encrypt_block(test_input, ciphertext, len,\n encrypt_key_schedule, iv,\n (block128_f)AES_encrypt);\n if (!TEST_mem_eq(ciphertext, len, vector, len))\n return 0;\n if (!TEST_mem_eq(iv, sizeof(iv), vector + len - tail, sizeof(iv)))\n return 0;\n memcpy(iv, test_iv, test_iv_len);\n fixture.decrypt_block(ciphertext, cleartext, len,\n decrypt_key_schedule, iv,\n (block128_f)AES_decrypt);\n if (!TEST_mem_eq(cleartext, len, test_input, len))\n return 0;\n if (!TEST_mem_eq(iv, sizeof(iv), vector + len - tail, sizeof(iv)))\n return 0;\n memcpy(iv, test_iv, test_iv_len);\n fixture.encrypt(test_input, ciphertext, len, encrypt_key_schedule,\n iv, (cbc128_f) AES_cbc_encrypt);\n if (!TEST_mem_eq(ciphertext, len, vector, len))\n return 0;\n if (!TEST_mem_eq(iv, sizeof(iv), vector + len - tail, sizeof(iv)))\n return 0;\n memcpy(iv, test_iv, test_iv_len);\n fixture.decrypt(ciphertext, cleartext, len, decrypt_key_schedule, iv,\n (cbc128_f)AES_cbc_encrypt);\n if (!TEST_mem_eq(cleartext, len, test_input, len))\n return 0;\n if (!TEST_mem_eq(iv, sizeof(iv), vector + len - tail, sizeof(iv)))\n return 0;\n return 1;\n}', 'int test_mem_eq(const char *file, int line, const char *st1, const char *st2,\n const void *s1, size_t n1, const void *s2, size_t n2)\n{\n char b1[MEM_BUFFER_SIZE], b2[MEM_BUFFER_SIZE];\n if (s1 == NULL && s2 == NULL)\n return 1;\n if (n1 != n2 || s1 == NULL || s2 == NULL || memcmp(s1, s2, n1) != 0) {\n char *m1 = print_mem_maybe_null(s1, n1, b1);\n char *m2 = print_mem_maybe_null(s2, n2, b2);\n test_fail_message(NULL, file, line, "memory",\n "%s %s [%zu] == %s %s [%zu]",\n st1, m1, n1, st2, m2, n2);\n if (m1 != b1)\n OPENSSL_free(m1);\n if (m2 != b2)\n OPENSSL_free(m2);\n return 0;\n }\n return 1;\n}', 'static char *print_mem_maybe_null(const void *s, size_t n,\n char outbuf[MEM_BUFFER_SIZE])\n{\n size_t i;\n const unsigned char *p = (const unsigned char *)s;\n char *out = outbuf;\n int pad = 2 * n >= MEM_BUFFER_SIZE;\n if (s == NULL)\n return strcpy(outbuf, "(NULL)");\n if (pad) {\n if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {\n out = outbuf;\n n = (MEM_BUFFER_SIZE - 4) / 2;\n } else {\n pad = 0;\n }\n }\n for (i = 0; i < 2 * n; ) {\n const unsigned char c = *p++;\n out[i++] = "0123456789abcdef"[c >> 4];\n out[i++] = "0123456789abcdef"[c & 15];\n }\n if (pad) {\n out[i++] = \'.\';\n out[i++] = \'.\';\n out[i++] = \'.\';\n }\n out[i] = \'\\0\';\n return out;\n}'] |
16,375 | 0 | https://github.com/openssl/openssl/blob/daea0ff8a960237e0f9a71301721824c25ad3b25/crypto/objects/obj_dat.c/#L465 | int OBJ_obj2txt(char *buf, int buf_len, ASN1_OBJECT *a, int no_name)
{
int i,idx=0,n=0,len,nid;
unsigned long l;
unsigned char *p;
const char *s;
char tbuf[32];
if (buf_len <= 0) return(0);
if ((a == NULL) || (a->data == NULL)) {
buf[0]='\0';
return(0);
}
nid=OBJ_obj2nid(a);
if ((nid == NID_undef) || no_name) {
len=a->length;
p=a->data;
idx=0;
l=0;
while (idx < a->length) {
l|=(p[idx]&0x7f);
if (!(p[idx] & 0x80)) break;
l<<=7L;
idx++;
}
idx++;
i=(int)(l/40);
if (i > 2) i=2;
l-=(long)(i*40);
sprintf(tbuf,"%d.%lu",i,l);
i=strlen(tbuf);
strncpy(buf,tbuf,buf_len);
buf_len-=i;
buf+=i;
n+=i;
l=0;
for (; idx<len; idx++) {
l|=p[idx]&0x7f;
if (!(p[idx] & 0x80)) {
sprintf(tbuf,".%lu",l);
i=strlen(tbuf);
if (buf_len > 0)
strncpy(buf,tbuf,buf_len);
buf_len-=i;
buf+=i;
n+=i;
l=0;
}
l<<=7L;
}
} else {
s=OBJ_nid2ln(nid);
if (s == NULL)
s=OBJ_nid2sn(nid);
strncpy(buf,s,buf_len);
n=strlen(s);
}
buf[buf_len-1]='\0';
return(n);
} | ['static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,\n\t\tEXTENDED_KEY_USAGE *eku, STACK_OF(CONF_VALUE) *ext_list)\n{\nint i;\nASN1_OBJECT *obj;\nchar obj_tmp[80];\nfor(i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {\n\tobj = sk_ASN1_OBJECT_value(eku, i);\n\ti2t_ASN1_OBJECT(obj_tmp, 80, obj);\n\tX509V3_add_value(NULL, obj_tmp, &ext_list);\n}\nreturn ext_list;\n}', 'int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)\n{\n\treturn OBJ_obj2txt(buf, buf_len, a, 0);\n}', 'int OBJ_obj2txt(char *buf, int buf_len, ASN1_OBJECT *a, int no_name)\n{\n\tint i,idx=0,n=0,len,nid;\n\tunsigned long l;\n\tunsigned char *p;\n\tconst char *s;\n\tchar tbuf[32];\n\tif (buf_len <= 0) return(0);\n\tif ((a == NULL) || (a->data == NULL)) {\n\t\tbuf[0]=\'\\0\';\n\t\treturn(0);\n\t}\n\tnid=OBJ_obj2nid(a);\n\tif ((nid == NID_undef) || no_name) {\n\t\tlen=a->length;\n\t\tp=a->data;\n\t\tidx=0;\n\t\tl=0;\n\t\twhile (idx < a->length) {\n\t\t\tl|=(p[idx]&0x7f);\n\t\t\tif (!(p[idx] & 0x80)) break;\n\t\t\tl<<=7L;\n\t\t\tidx++;\n\t\t}\n\t\tidx++;\n\t\ti=(int)(l/40);\n\t\tif (i > 2) i=2;\n\t\tl-=(long)(i*40);\n\t\tsprintf(tbuf,"%d.%lu",i,l);\n\t\ti=strlen(tbuf);\n\t\tstrncpy(buf,tbuf,buf_len);\n\t\tbuf_len-=i;\n\t\tbuf+=i;\n\t\tn+=i;\n\t\tl=0;\n\t\tfor (; idx<len; idx++) {\n\t\t\tl|=p[idx]&0x7f;\n\t\t\tif (!(p[idx] & 0x80)) {\n\t\t\t\tsprintf(tbuf,".%lu",l);\n\t\t\t\ti=strlen(tbuf);\n\t\t\t\tif (buf_len > 0)\n\t\t\t\t\tstrncpy(buf,tbuf,buf_len);\n\t\t\t\tbuf_len-=i;\n\t\t\t\tbuf+=i;\n\t\t\t\tn+=i;\n\t\t\t\tl=0;\n\t\t\t}\n\t\t\tl<<=7L;\n\t\t}\n\t} else {\n\t\ts=OBJ_nid2ln(nid);\n\t\tif (s == NULL)\n\t\t\ts=OBJ_nid2sn(nid);\n\t\tstrncpy(buf,s,buf_len);\n\t\tn=strlen(s);\n\t}\n\tbuf[buf_len-1]=\'\\0\';\n\treturn(n);\n}'] |
16,376 | 0 | https://github.com/nginx/nginx/blob/5c95f885030d6d303415c72d920e635aa7bab822/src/http/ngx_http_script.c/#L361 | ngx_int_t
ngx_http_script_compile(ngx_http_script_compile_t *sc)
{
u_char ch;
ngx_str_t name;
ngx_uint_t i, bracket;
if (ngx_http_script_init_arrays(sc) != NGX_OK) {
return NGX_ERROR;
}
for (i = 0; i < sc->source->len; ) {
name.len = 0;
if (sc->source->data[i] == '$') {
if (++i == sc->source->len) {
goto invalid_variable;
}
#if (NGX_PCRE)
{
ngx_uint_t n;
if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') {
n = sc->source->data[i] - '0';
if (sc->captures_mask & (1 << n)) {
sc->dup_capture = 1;
}
sc->captures_mask |= 1 << n;
if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) {
return NGX_ERROR;
}
i++;
continue;
}
}
#endif
if (sc->source->data[i] == '{') {
bracket = 1;
if (++i == sc->source->len) {
goto invalid_variable;
}
name.data = &sc->source->data[i];
} else {
bracket = 0;
name.data = &sc->source->data[i];
}
for ( ; i < sc->source->len; i++, name.len++) {
ch = sc->source->data[i];
if (ch == '}' && bracket) {
i++;
bracket = 0;
break;
}
if ((ch >= 'A' && ch <= 'Z')
|| (ch >= 'a' && ch <= 'z')
|| (ch >= '0' && ch <= '9')
|| ch == '_')
{
continue;
}
break;
}
if (bracket) {
ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,
"the closing bracket in \"%V\" "
"variable is missing", &name);
return NGX_ERROR;
}
if (name.len == 0) {
goto invalid_variable;
}
sc->variables++;
if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) {
return NGX_ERROR;
}
continue;
}
if (sc->source->data[i] == '?' && sc->compile_args) {
sc->args = 1;
sc->compile_args = 0;
if (ngx_http_script_add_args_code(sc) != NGX_OK) {
return NGX_ERROR;
}
i++;
continue;
}
name.data = &sc->source->data[i];
while (i < sc->source->len) {
if (sc->source->data[i] == '$') {
break;
}
if (sc->source->data[i] == '?') {
sc->args = 1;
if (sc->compile_args) {
break;
}
}
i++;
name.len++;
}
sc->size += name.len;
if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len))
!= NGX_OK)
{
return NGX_ERROR;
}
}
return ngx_http_script_done(sc);
invalid_variable:
ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");
return NGX_ERROR;
} | ['static char *\nngx_http_disable_symlinks(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)\n{\n ngx_http_core_loc_conf_t *clcf = conf;\n ngx_str_t *value;\n ngx_uint_t i;\n ngx_http_compile_complex_value_t ccv;\n if (clcf->disable_symlinks != NGX_CONF_UNSET_UINT) {\n return "is duplicate";\n }\n value = cf->args->elts;\n for (i = 1; i < cf->args->nelts; i++) {\n if (ngx_strcmp(value[i].data, "off") == 0) {\n clcf->disable_symlinks = NGX_DISABLE_SYMLINKS_OFF;\n continue;\n }\n if (ngx_strcmp(value[i].data, "if_not_owner") == 0) {\n clcf->disable_symlinks = NGX_DISABLE_SYMLINKS_NOTOWNER;\n continue;\n }\n if (ngx_strcmp(value[i].data, "on") == 0) {\n clcf->disable_symlinks = NGX_DISABLE_SYMLINKS_ON;\n continue;\n }\n if (ngx_strncmp(value[i].data, "from=", 5) == 0) {\n value[i].len -= 5;\n value[i].data += 5;\n ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));\n ccv.cf = cf;\n ccv.value = &value[i];\n ccv.complex_value = ngx_palloc(cf->pool,\n sizeof(ngx_http_complex_value_t));\n if (ccv.complex_value == NULL) {\n return NGX_CONF_ERROR;\n }\n if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {\n return NGX_CONF_ERROR;\n }\n clcf->disable_symlinks_from = ccv.complex_value;\n continue;\n }\n ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,\n "invalid parameter \\"%V\\"", &value[i]);\n return NGX_CONF_ERROR;\n }\n if (clcf->disable_symlinks == NGX_CONF_UNSET_UINT) {\n ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,\n "\\"%V\\" must have \\"off\\", \\"on\\" "\n "or \\"if_not_owner\\" parameter",\n &cmd->name);\n return NGX_CONF_ERROR;\n }\n if (cf->args->nelts == 2) {\n clcf->disable_symlinks_from = NULL;\n return NGX_CONF_OK;\n }\n if (clcf->disable_symlinks_from == NGX_CONF_UNSET_PTR) {\n ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,\n "duplicate parameters \\"%V %V\\"",\n &value[1], &value[2]);\n return NGX_CONF_ERROR;\n }\n if (clcf->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {\n ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,\n "\\"from=\\" cannot be used with \\"off\\" parameter");\n return NGX_CONF_ERROR;\n }\n return NGX_CONF_OK;\n}', 'ngx_int_t\nngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv)\n{\n ngx_str_t *v;\n ngx_uint_t i, n, nv, nc;\n ngx_array_t flushes, lengths, values, *pf, *pl, *pv;\n ngx_http_script_compile_t sc;\n v = ccv->value;\n if (v->len == 0) {\n ngx_conf_log_error(NGX_LOG_EMERG, ccv->cf, 0, "empty parameter");\n return NGX_ERROR;\n }\n nv = 0;\n nc = 0;\n for (i = 0; i < v->len; i++) {\n if (v->data[i] == \'$\') {\n if (v->data[i + 1] >= \'1\' && v->data[i + 1] <= \'9\') {\n nc++;\n } else {\n nv++;\n }\n }\n }\n if (v->data[0] != \'$\' && (ccv->conf_prefix || ccv->root_prefix)) {\n if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) {\n return NGX_ERROR;\n }\n ccv->conf_prefix = 0;\n ccv->root_prefix = 0;\n }\n ccv->complex_value->value = *v;\n ccv->complex_value->flushes = NULL;\n ccv->complex_value->lengths = NULL;\n ccv->complex_value->values = NULL;\n if (nv == 0 && nc == 0) {\n return NGX_OK;\n }\n n = nv + 1;\n if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n n = nv * (2 * sizeof(ngx_http_script_copy_code_t)\n + sizeof(ngx_http_script_var_code_t))\n + sizeof(uintptr_t);\n if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) {\n return NGX_ERROR;\n }\n n = (nv * (2 * sizeof(ngx_http_script_copy_code_t)\n + sizeof(ngx_http_script_var_code_t))\n + sizeof(uintptr_t)\n + v->len\n + sizeof(uintptr_t) - 1)\n & ~(sizeof(uintptr_t) - 1);\n if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) {\n return NGX_ERROR;\n }\n pf = &flushes;\n pl = &lengths;\n pv = &values;\n ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));\n sc.cf = ccv->cf;\n sc.source = v;\n sc.flushes = &pf;\n sc.lengths = &pl;\n sc.values = &pv;\n sc.complete_lengths = 1;\n sc.complete_values = 1;\n sc.zero = ccv->zero;\n sc.conf_prefix = ccv->conf_prefix;\n sc.root_prefix = ccv->root_prefix;\n if (ngx_http_script_compile(&sc) != NGX_OK) {\n return NGX_ERROR;\n }\n if (flushes.nelts) {\n ccv->complex_value->flushes = flushes.elts;\n ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1;\n }\n ccv->complex_value->lengths = lengths.elts;\n ccv->complex_value->values = values.elts;\n return NGX_OK;\n}', 'ngx_int_t\nngx_http_script_compile(ngx_http_script_compile_t *sc)\n{\n u_char ch;\n ngx_str_t name;\n ngx_uint_t i, bracket;\n if (ngx_http_script_init_arrays(sc) != NGX_OK) {\n return NGX_ERROR;\n }\n for (i = 0; i < sc->source->len; ) {\n name.len = 0;\n if (sc->source->data[i] == \'$\') {\n if (++i == sc->source->len) {\n goto invalid_variable;\n }\n#if (NGX_PCRE)\n {\n ngx_uint_t n;\n if (sc->source->data[i] >= \'1\' && sc->source->data[i] <= \'9\') {\n n = sc->source->data[i] - \'0\';\n if (sc->captures_mask & (1 << n)) {\n sc->dup_capture = 1;\n }\n sc->captures_mask |= 1 << n;\n if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) {\n return NGX_ERROR;\n }\n i++;\n continue;\n }\n }\n#endif\n if (sc->source->data[i] == \'{\') {\n bracket = 1;\n if (++i == sc->source->len) {\n goto invalid_variable;\n }\n name.data = &sc->source->data[i];\n } else {\n bracket = 0;\n name.data = &sc->source->data[i];\n }\n for ( ; i < sc->source->len; i++, name.len++) {\n ch = sc->source->data[i];\n if (ch == \'}\' && bracket) {\n i++;\n bracket = 0;\n break;\n }\n if ((ch >= \'A\' && ch <= \'Z\')\n || (ch >= \'a\' && ch <= \'z\')\n || (ch >= \'0\' && ch <= \'9\')\n || ch == \'_\')\n {\n continue;\n }\n break;\n }\n if (bracket) {\n ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,\n "the closing bracket in \\"%V\\" "\n "variable is missing", &name);\n return NGX_ERROR;\n }\n if (name.len == 0) {\n goto invalid_variable;\n }\n sc->variables++;\n if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) {\n return NGX_ERROR;\n }\n continue;\n }\n if (sc->source->data[i] == \'?\' && sc->compile_args) {\n sc->args = 1;\n sc->compile_args = 0;\n if (ngx_http_script_add_args_code(sc) != NGX_OK) {\n return NGX_ERROR;\n }\n i++;\n continue;\n }\n name.data = &sc->source->data[i];\n while (i < sc->source->len) {\n if (sc->source->data[i] == \'$\') {\n break;\n }\n if (sc->source->data[i] == \'?\') {\n sc->args = 1;\n if (sc->compile_args) {\n break;\n }\n }\n i++;\n name.len++;\n }\n sc->size += name.len;\n if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n }\n return ngx_http_script_done(sc);\ninvalid_variable:\n ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");\n return NGX_ERROR;\n}'] |
16,377 | 0 | https://github.com/openssl/openssl/blob/d479dc1d02debddebc7bd431321ba158ada1ec65/crypto/asn1/asn1_gen.c/#L156 | ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
{
ASN1_TYPE *ret;
tag_exp_arg asn1_tags;
tag_exp_type *etmp;
int i, len;
unsigned char *orig_der = NULL, *new_der = NULL;
unsigned char *cpy_start, *p;
int cpy_len;
long hdr_len;
int hdr_constructed, hdr_tag, hdr_class;
int r;
asn1_tags.imp_tag = -1;
asn1_tags.imp_class = -1;
asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
asn1_tags.exp_count = 0;
if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
return NULL;
if ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET))
{
if (!cnf)
{
ASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
return NULL;
}
ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
}
else
ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
if (!ret)
return NULL;
if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
return ret;
cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
ASN1_TYPE_free(ret);
ret = NULL;
cpy_start = orig_der;
if (asn1_tags.imp_tag != -1)
{
r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len);
if (r & 0x80)
goto err;
cpy_len -= cpy_start - orig_der;
if (r & 0x1)
{
hdr_constructed = 2;
hdr_len = 0;
}
else
hdr_constructed = r & V_ASN1_CONSTRUCTED;
len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
}
else
len = cpy_len;
for(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--)
{
len += etmp->exp_pad;
etmp->exp_len = len;
len = ASN1_object_size(0, len, etmp->exp_tag);
}
new_der = OPENSSL_malloc(len);
p = new_der;
for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++)
{
ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
etmp->exp_tag, etmp->exp_class);
if (etmp->exp_pad)
*p++ = 0;
}
if (asn1_tags.imp_tag != -1)
ASN1_put_object(&p, hdr_constructed, hdr_len,
asn1_tags.imp_tag, asn1_tags.imp_class);
memcpy(p, cpy_start, cpy_len);
p = new_der;
ret = d2i_ASN1_TYPE(NULL, &p, len);
err:
if (orig_der)
OPENSSL_free(orig_der);
if (new_der)
OPENSSL_free(new_der);
return ret;
} | ["ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)\n\t{\n\tASN1_TYPE *ret;\n\ttag_exp_arg asn1_tags;\n\ttag_exp_type *etmp;\n\tint i, len;\n\tunsigned char *orig_der = NULL, *new_der = NULL;\n\tunsigned char *cpy_start, *p;\n\tint cpy_len;\n\tlong hdr_len;\n\tint hdr_constructed, hdr_tag, hdr_class;\n\tint r;\n\tasn1_tags.imp_tag = -1;\n\tasn1_tags.imp_class = -1;\n\tasn1_tags.format = ASN1_GEN_FORMAT_ASCII;\n\tasn1_tags.exp_count = 0;\n\tif (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)\n\t\treturn NULL;\n\tif ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET))\n\t\t{\n\t\tif (!cnf)\n\t\t\t{\n\t\t\tASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);\n\t\t}\n\telse\n\t\tret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);\n\tif (!ret)\n\t\treturn NULL;\n\tif ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))\n\t\treturn ret;\n\tcpy_len = i2d_ASN1_TYPE(ret, &orig_der);\n\tASN1_TYPE_free(ret);\n\tret = NULL;\n\tcpy_start = orig_der;\n\tif (asn1_tags.imp_tag != -1)\n\t\t{\n\t\tr = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len);\n\t\tif (r & 0x80)\n\t\t\tgoto err;\n\t\tcpy_len -= cpy_start - orig_der;\n\t\tif (r & 0x1)\n\t\t\t{\n\t\t\thdr_constructed = 2;\n\t\t\thdr_len = 0;\n\t\t\t}\n\t\telse\n\t\t\thdr_constructed = r & V_ASN1_CONSTRUCTED;\n\t\tlen = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);\n\t\t}\n\telse\n\t\tlen = cpy_len;\n\tfor(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--)\n\t\t{\n\t\tlen += etmp->exp_pad;\n\t\tetmp->exp_len = len;\n\t\tlen = ASN1_object_size(0, len, etmp->exp_tag);\n\t\t}\n\tnew_der = OPENSSL_malloc(len);\n\tp = new_der;\n\tfor (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++)\n\t\t{\n\t\tASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,\n\t\t\t\t\tetmp->exp_tag, etmp->exp_class);\n\t\tif (etmp->exp_pad)\n\t\t\t*p++ = 0;\n\t\t}\n\tif (asn1_tags.imp_tag != -1)\n\t\tASN1_put_object(&p, hdr_constructed, hdr_len,\n\t\t\t\t\tasn1_tags.imp_tag, asn1_tags.imp_class);\n\tmemcpy(p, cpy_start, cpy_len);\n\tp = new_der;\n\tret = d2i_ASN1_TYPE(NULL, &p, len);\n\terr:\n\tif (orig_der)\n\t\tOPENSSL_free(orig_der);\n\tif (new_der)\n\t\tOPENSSL_free(new_der);\n\treturn ret;\n\t}"] |
16,378 | 0 | https://github.com/libav/libav/blob/ddf5fb71ee9c8b2d9a23c0f661a84896cd7050fc/libavcodec/dv.c/#L130 | static inline void dv_calc_mb_coordinates(const AVDVProfile *d, int chan,
int seq, int slot, uint16_t *tbl)
{
static const uint8_t off[] = { 2, 6, 8, 0, 4 };
static const uint8_t shuf1[] = { 36, 18, 54, 0, 72 };
static const uint8_t shuf2[] = { 24, 12, 36, 0, 48 };
static const uint8_t shuf3[] = { 18, 9, 27, 0, 36 };
static const uint8_t l_start[] = { 0, 4, 9, 13, 18, 22, 27, 31, 36, 40 };
static const uint8_t l_start_shuffled[] = { 9, 4, 13, 0, 18 };
static const uint8_t serpent1[] = {
0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0,
0, 1, 2
};
static const uint8_t serpent2[] = {
0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,
0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,
0, 1, 2, 3, 4, 5
};
static const uint8_t remap[][2] = {
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 1 }, { 0, 2 }, { 0, 3 }, { 10, 0 },
{ 10, 1 }, { 10, 2 }, { 10, 3 }, { 20, 0 }, { 20, 1 },
{ 20, 2 }, { 20, 3 }, { 30, 0 }, { 30, 1 }, { 30, 2 },
{ 30, 3 }, { 40, 0 }, { 40, 1 }, { 40, 2 }, { 40, 3 },
{ 50, 0 }, { 50, 1 }, { 50, 2 }, { 50, 3 }, { 60, 0 },
{ 60, 1 }, { 60, 2 }, { 60, 3 }, { 70, 0 }, { 70, 1 },
{ 70, 2 }, { 70, 3 }, { 0, 64 }, { 0, 65 }, { 0, 66 },
{ 10, 64 }, { 10, 65 }, { 10, 66 }, { 20, 64 }, { 20, 65 },
{ 20, 66 }, { 30, 64 }, { 30, 65 }, { 30, 66 }, { 40, 64 },
{ 40, 65 }, { 40, 66 }, { 50, 64 }, { 50, 65 }, { 50, 66 },
{ 60, 64 }, { 60, 65 }, { 60, 66 }, { 70, 64 }, { 70, 65 },
{ 70, 66 }, { 0, 67 }, { 20, 67 }, { 40, 67 }, { 60, 67 }
};
int i, k, m;
int x, y, blk;
for (m = 0; m < 5; m++) {
switch (d->width) {
case 1440:
blk = (chan * 11 + seq) * 27 + slot;
if (chan == 0 && seq == 11) {
x = m * 27 + slot;
if (x < 90) {
y = 0;
} else {
x = (x - 90) * 2;
y = 67;
}
} else {
i = (4 * chan + blk + off[m]) % 11;
k = (blk / 11) % 27;
x = shuf1[m] + (chan & 1) * 9 + k % 9;
y = (i * 3 + k / 9) * 2 + (chan >> 1) + 1;
}
tbl[m] = (x << 1) | (y << 9);
break;
case 1280:
blk = (chan * 10 + seq) * 27 + slot;
i = (4 * chan + (seq / 5) + 2 * blk + off[m]) % 10;
k = (blk / 5) % 27;
x = shuf1[m] + (chan & 1) * 9 + k % 9;
y = (i * 3 + k / 9) * 2 + (chan >> 1) + 4;
if (x >= 80) {
x = remap[y][0] + ((x - 80) << (y > 59));
y = remap[y][1];
}
tbl[m] = (x << 1) | (y << 9);
break;
case 960:
blk = (chan * 10 + seq) * 27 + slot;
i = (4 * chan + (seq / 5) + 2 * blk + off[m]) % 10;
k = (blk / 5) % 27 + (i & 1) * 3;
x = shuf2[m] + k % 6 + 6 * (chan & 1);
y = l_start[i] + k / 6 + 45 * (chan >> 1);
tbl[m] = (x << 1) | (y << 9);
break;
case 720:
switch (d->pix_fmt) {
case AV_PIX_FMT_YUV422P:
x = shuf3[m] + slot / 3;
y = serpent1[slot] +
((((seq + off[m]) % d->difseg_size) << 1) + chan) * 3;
tbl[m] = (x << 1) | (y << 8);
break;
case AV_PIX_FMT_YUV420P:
x = shuf3[m] + slot / 3;
y = serpent1[slot] +
((seq + off[m]) % d->difseg_size) * 3;
tbl[m] = (x << 1) | (y << 9);
break;
case AV_PIX_FMT_YUV411P:
i = (seq + off[m]) % d->difseg_size;
k = slot + ((m == 1 || m == 2) ? 3 : 0);
x = l_start_shuffled[m] + k / 6;
y = serpent2[k] + i * 6;
if (x > 21)
y = y * 2 - i * 6;
tbl[m] = (x << 2) | (y << 8);
break;
}
default:
break;
}
}
} | ['static int dvvideo_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame, AVPacket *avpkt)\n{\n uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n DVVideoContext *s = avctx->priv_data;\n const uint8_t *vsc_pack;\n int apt, is16_9, ret;\n const AVDVProfile *sys;\n sys = av_dv_frame_profile(s->sys, buf, buf_size);\n if (!sys || buf_size < sys->frame_size) {\n av_log(avctx, AV_LOG_ERROR, "could not find dv frame profile\\n");\n return -1;\n }\n if (sys != s->sys) {\n ret = ff_dv_init_dynamic_tables(s, sys);\n if (ret < 0) {\n av_log(avctx, AV_LOG_ERROR, "Error initializing the work tables.\\n");\n return ret;\n }\n s->sys = sys;\n }\n s->frame = data;\n s->frame->key_frame = 1;\n s->frame->pict_type = AV_PICTURE_TYPE_I;\n avctx->pix_fmt = s->sys->pix_fmt;\n avctx->time_base = s->sys->time_base;\n ret = ff_set_dimensions(avctx, s->sys->width, s->sys->height);\n if (ret < 0)\n return ret;\n vsc_pack = buf + 80 * 5 + 48 + 5;\n if (*vsc_pack == dv_video_control) {\n apt = buf[4] & 0x07;\n is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 ||\n (!apt && (vsc_pack[2] & 0x07) == 0x07)));\n ff_set_sar(avctx, s->sys->sar[is16_9]);\n }\n if (ff_get_buffer(avctx, s->frame, 0) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return -1;\n }\n s->frame->interlaced_frame = 1;\n s->frame->top_field_first = 0;\n s->buf = buf;\n avctx->execute(avctx, dv_decode_video_segment, s->work_chunks, NULL,\n dv_work_pool_size(s->sys), sizeof(DVwork_chunk));\n emms_c();\n *got_frame = 1;\n return s->sys->frame_size;\n}', 'const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,\n const uint8_t *frame, unsigned buf_size)\n{\n#if CONFIG_DVPROFILE\n int i, dsf, stype;\n if (buf_size < 80 * 5 + 48 + 4)\n return NULL;\n dsf = (frame[3] & 0x80) >> 7;\n stype = frame[80 * 5 + 48 + 3] & 0x1f;\n if (dsf == 1 && stype == 0 && frame[4] & 0x07 )\n return &dv_profiles[2];\n for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)\n if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)\n return &dv_profiles[i];\n if (sys && buf_size == sys->frame_size)\n return sys;\n#endif\n return NULL;\n}', 'int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d)\n{\n int j, i, c, s, p;\n uint32_t *factor1, *factor2;\n const int *iweight1, *iweight2;\n p = i = 0;\n for (c = 0; c < d->n_difchan; c++) {\n for (s = 0; s < d->difseg_size; s++) {\n p += 6;\n for (j = 0; j < 27; j++) {\n p += !(j % 3);\n if (!(DV_PROFILE_IS_1080i50(d) && c != 0 && s == 11) &&\n !(DV_PROFILE_IS_720p50(d) && s > 9)) {\n dv_calc_mb_coordinates(d, c, s, j, &ctx->work_chunks[i].mb_coordinates[0]);\n ctx->work_chunks[i++].buf_offset = p;\n }\n p += 5;\n }\n }\n }\n factor1 = &ctx->idct_factor[0];\n factor2 = &ctx->idct_factor[DV_PROFILE_IS_HD(d) ? 4096 : 2816];\n if (d->height == 720) {\n iweight1 = &ff_dv_iweight_720_y[0];\n iweight2 = &ff_dv_iweight_720_c[0];\n } else {\n iweight1 = &ff_dv_iweight_1080_y[0];\n iweight2 = &ff_dv_iweight_1080_c[0];\n }\n if (DV_PROFILE_IS_HD(d)) {\n for (c = 0; c < 4; c++) {\n for (s = 0; s < 16; s++) {\n for (i = 0; i < 64; i++) {\n *factor1++ = (dv100_qstep[s] << (c + 9)) * iweight1[i];\n *factor2++ = (dv100_qstep[s] << (c + 9)) * iweight2[i];\n }\n }\n }\n } else {\n iweight1 = &ff_dv_iweight_88[0];\n for (j = 0; j < 2; j++, iweight1 = &ff_dv_iweight_248[0]) {\n for (s = 0; s < 22; s++) {\n for (i = c = 0; c < 4; c++) {\n for (; i < dv_quant_areas[c]; i++) {\n *factor1 = iweight1[i] << (ff_dv_quant_shifts[s][c] + 1);\n *factor2++ = (*factor1++) << 1;\n }\n }\n }\n }\n }\n return 0;\n}', 'static inline void dv_calc_mb_coordinates(const AVDVProfile *d, int chan,\n int seq, int slot, uint16_t *tbl)\n{\n static const uint8_t off[] = { 2, 6, 8, 0, 4 };\n static const uint8_t shuf1[] = { 36, 18, 54, 0, 72 };\n static const uint8_t shuf2[] = { 24, 12, 36, 0, 48 };\n static const uint8_t shuf3[] = { 18, 9, 27, 0, 36 };\n static const uint8_t l_start[] = { 0, 4, 9, 13, 18, 22, 27, 31, 36, 40 };\n static const uint8_t l_start_shuffled[] = { 9, 4, 13, 0, 18 };\n static const uint8_t serpent1[] = {\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2\n };\n static const uint8_t serpent2[] = {\n 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,\n 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,\n 0, 1, 2, 3, 4, 5\n };\n static const uint8_t remap[][2] = {\n { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },\n { 0, 0 }, { 0, 1 }, { 0, 2 }, { 0, 3 }, { 10, 0 },\n { 10, 1 }, { 10, 2 }, { 10, 3 }, { 20, 0 }, { 20, 1 },\n { 20, 2 }, { 20, 3 }, { 30, 0 }, { 30, 1 }, { 30, 2 },\n { 30, 3 }, { 40, 0 }, { 40, 1 }, { 40, 2 }, { 40, 3 },\n { 50, 0 }, { 50, 1 }, { 50, 2 }, { 50, 3 }, { 60, 0 },\n { 60, 1 }, { 60, 2 }, { 60, 3 }, { 70, 0 }, { 70, 1 },\n { 70, 2 }, { 70, 3 }, { 0, 64 }, { 0, 65 }, { 0, 66 },\n { 10, 64 }, { 10, 65 }, { 10, 66 }, { 20, 64 }, { 20, 65 },\n { 20, 66 }, { 30, 64 }, { 30, 65 }, { 30, 66 }, { 40, 64 },\n { 40, 65 }, { 40, 66 }, { 50, 64 }, { 50, 65 }, { 50, 66 },\n { 60, 64 }, { 60, 65 }, { 60, 66 }, { 70, 64 }, { 70, 65 },\n { 70, 66 }, { 0, 67 }, { 20, 67 }, { 40, 67 }, { 60, 67 }\n };\n int i, k, m;\n int x, y, blk;\n for (m = 0; m < 5; m++) {\n switch (d->width) {\n case 1440:\n blk = (chan * 11 + seq) * 27 + slot;\n if (chan == 0 && seq == 11) {\n x = m * 27 + slot;\n if (x < 90) {\n y = 0;\n } else {\n x = (x - 90) * 2;\n y = 67;\n }\n } else {\n i = (4 * chan + blk + off[m]) % 11;\n k = (blk / 11) % 27;\n x = shuf1[m] + (chan & 1) * 9 + k % 9;\n y = (i * 3 + k / 9) * 2 + (chan >> 1) + 1;\n }\n tbl[m] = (x << 1) | (y << 9);\n break;\n case 1280:\n blk = (chan * 10 + seq) * 27 + slot;\n i = (4 * chan + (seq / 5) + 2 * blk + off[m]) % 10;\n k = (blk / 5) % 27;\n x = shuf1[m] + (chan & 1) * 9 + k % 9;\n y = (i * 3 + k / 9) * 2 + (chan >> 1) + 4;\n if (x >= 80) {\n x = remap[y][0] + ((x - 80) << (y > 59));\n y = remap[y][1];\n }\n tbl[m] = (x << 1) | (y << 9);\n break;\n case 960:\n blk = (chan * 10 + seq) * 27 + slot;\n i = (4 * chan + (seq / 5) + 2 * blk + off[m]) % 10;\n k = (blk / 5) % 27 + (i & 1) * 3;\n x = shuf2[m] + k % 6 + 6 * (chan & 1);\n y = l_start[i] + k / 6 + 45 * (chan >> 1);\n tbl[m] = (x << 1) | (y << 9);\n break;\n case 720:\n switch (d->pix_fmt) {\n case AV_PIX_FMT_YUV422P:\n x = shuf3[m] + slot / 3;\n y = serpent1[slot] +\n ((((seq + off[m]) % d->difseg_size) << 1) + chan) * 3;\n tbl[m] = (x << 1) | (y << 8);\n break;\n case AV_PIX_FMT_YUV420P:\n x = shuf3[m] + slot / 3;\n y = serpent1[slot] +\n ((seq + off[m]) % d->difseg_size) * 3;\n tbl[m] = (x << 1) | (y << 9);\n break;\n case AV_PIX_FMT_YUV411P:\n i = (seq + off[m]) % d->difseg_size;\n k = slot + ((m == 1 || m == 2) ? 3 : 0);\n x = l_start_shuffled[m] + k / 6;\n y = serpent2[k] + i * 6;\n if (x > 21)\n y = y * 2 - i * 6;\n tbl[m] = (x << 2) | (y << 8);\n break;\n }\n default:\n break;\n }\n }\n}'] |
16,379 | 0 | https://github.com/libav/libav/blob/60a42ef44cc02a8b6a0f0b92ab92c6f9a4ddc838/libavcodec/smacker.c/#L309 | static int decode_header_trees(SmackVContext *smk) {
GetBitContext gb;
int mmap_size, mclr_size, full_size, type_size;
mmap_size = AV_RL32(smk->avctx->extradata);
mclr_size = AV_RL32(smk->avctx->extradata + 4);
full_size = AV_RL32(smk->avctx->extradata + 8);
type_size = AV_RL32(smk->avctx->extradata + 12);
init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8);
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n");
smk->mmap_tbl = av_malloc(sizeof(int) * 2);
smk->mmap_tbl[0] = 0;
smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1;
} else {
if (smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size))
return -1;
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n");
smk->mclr_tbl = av_malloc(sizeof(int) * 2);
smk->mclr_tbl[0] = 0;
smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1;
} else {
if (smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size))
return -1;
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n");
smk->full_tbl = av_malloc(sizeof(int) * 2);
smk->full_tbl[0] = 0;
smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1;
} else {
if (smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size))
return -1;
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n");
smk->type_tbl = av_malloc(sizeof(int) * 2);
smk->type_tbl[0] = 0;
smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1;
} else {
if (smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size))
return -1;
}
return 0;
} | ['static int decode_header_trees(SmackVContext *smk) {\n GetBitContext gb;\n int mmap_size, mclr_size, full_size, type_size;\n mmap_size = AV_RL32(smk->avctx->extradata);\n mclr_size = AV_RL32(smk->avctx->extradata + 4);\n full_size = AV_RL32(smk->avctx->extradata + 8);\n type_size = AV_RL32(smk->avctx->extradata + 12);\n init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8);\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\\n");\n smk->mmap_tbl = av_malloc(sizeof(int) * 2);\n smk->mmap_tbl[0] = 0;\n smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size))\n return -1;\n }\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\\n");\n smk->mclr_tbl = av_malloc(sizeof(int) * 2);\n smk->mclr_tbl[0] = 0;\n smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size))\n return -1;\n }\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\\n");\n smk->full_tbl = av_malloc(sizeof(int) * 2);\n smk->full_tbl[0] = 0;\n smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size))\n return -1;\n }\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\\n");\n smk->type_tbl = av_malloc(sizeof(int) * 2);\n smk->type_tbl[0] = 0;\n smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size))\n return -1;\n }\n return 0;\n}', 'static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,\n int bit_size)\n{\n int buffer_size;\n int ret = 0;\n if (bit_size > INT_MAX - 7 || bit_size <= 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n ret = AVERROR_INVALIDDATA;\n }\n buffer_size = (bit_size + 7) >> 3;\n s->buffer = buffer;\n s->size_in_bits = bit_size;\n#if !UNCHECKED_BITSTREAM_READER\n s->size_in_bits_plus8 = bit_size + 8;\n#endif\n s->buffer_end = buffer + buffer_size;\n s->index = 0;\n return ret;\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index>>3];\n#ifdef BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size + 32);\n if (!ptr)\n return ptr;\n diff = ((-(long)ptr - 1) & 31) + 1;\n ptr = (char *)ptr + diff;\n ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
16,380 | 0 | https://gitlab.com/libtiff/libtiff/blob/709e93ded0000128625a23838756a408ea30745d/libtiff/tif_swab.c/#L192 | void
TIFFSwabArrayOfDouble(double* dp, tmsize_t n)
{
register unsigned char *cp;
register unsigned char t;
assert(sizeof(double)==8);
while (n-- > 0) {
cp = (unsigned char *)dp;
t = cp[7]; cp[7] = cp[0]; cp[0] = t;
t = cp[6]; cp[6] = cp[1]; cp[1] = t;
t = cp[5]; cp[5] = cp[2]; cp[2] = t;
t = cp[4]; cp[4] = cp[3]; cp[3] = t;
dp++;
}
} | ['static void\ncleanup_and_exit(void)\n{\n TIFFRGBAImageEnd(&img);\n if (filelist != NULL)\n _TIFFfree(filelist);\n if (raster != NULL)\n _TIFFfree(raster);\n if (tif != NULL)\n TIFFClose(tif);\n exit(0);\n}', 'void\nTIFFClose(TIFF* tif)\n{\n\tTIFFCloseProc closeproc = tif->tif_closeproc;\n\tthandle_t fd = tif->tif_clientdata;\n\tTIFFCleanup(tif);\n\t(void) (*closeproc)(fd);\n}', 'void\nTIFFCleanup(TIFF* tif)\n{\n\tif (tif->tif_mode != O_RDONLY)\n\t\tTIFFFlush(tif);\n\t(*tif->tif_cleanup)(tif);\n\tTIFFFreeDirectory(tif);\n\tif (tif->tif_dirlist)\n\t\t_TIFFfree(tif->tif_dirlist);\n\twhile( tif->tif_clientinfo )\n\t{\n\t\tTIFFClientInfoLink *link = tif->tif_clientinfo;\n\t\ttif->tif_clientinfo = link->next;\n\t\t_TIFFfree( link->name );\n\t\t_TIFFfree( link );\n\t}\n\tif (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))\n\t\t_TIFFfree(tif->tif_rawdata);\n\tif (isMapped(tif))\n\t\tTIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);\n\tif (tif->tif_fields && tif->tif_nfields > 0) {\n\t\tuint32 i;\n\t\tfor (i = 0; i < tif->tif_nfields; i++) {\n\t\t\tTIFFField *fld = tif->tif_fields[i];\n\t\t\tif (fld->field_bit == FIELD_CUSTOM &&\n\t\t\t strncmp("Tag ", fld->field_name, 4) == 0) {\n\t\t\t\t_TIFFfree(fld->field_name);\n\t\t\t\t_TIFFfree(fld);\n\t\t\t}\n\t\t}\n\t\t_TIFFfree(tif->tif_fields);\n\t}\n if (tif->tif_nfieldscompat > 0) {\n uint32 i;\n for (i = 0; i < tif->tif_nfieldscompat; i++) {\n if (tif->tif_fieldscompat[i].allocated_size)\n _TIFFfree(tif->tif_fieldscompat[i].fields);\n }\n _TIFFfree(tif->tif_fieldscompat);\n }\n\t_TIFFfree(tif);\n}', 'int\nTIFFFlush(TIFF* tif)\n{\n if( tif->tif_mode == O_RDONLY )\n return 1;\n if (!TIFFFlushData(tif))\n return (0);\n if( (tif->tif_flags & TIFF_DIRTYSTRIP)\n && !(tif->tif_flags & TIFF_DIRTYDIRECT)\n && tif->tif_mode == O_RDWR )\n {\n uint64 *offsets=NULL, *sizes=NULL;\n if( TIFFIsTiled(tif) )\n {\n if( TIFFGetField( tif, TIFFTAG_TILEOFFSETS, &offsets )\n && TIFFGetField( tif, TIFFTAG_TILEBYTECOUNTS, &sizes )\n && _TIFFRewriteField( tif, TIFFTAG_TILEOFFSETS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, offsets )\n && _TIFFRewriteField( tif, TIFFTAG_TILEBYTECOUNTS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, sizes ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n }\n else\n {\n if( TIFFGetField( tif, TIFFTAG_STRIPOFFSETS, &offsets )\n && TIFFGetField( tif, TIFFTAG_STRIPBYTECOUNTS, &sizes )\n && _TIFFRewriteField( tif, TIFFTAG_STRIPOFFSETS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, offsets )\n && _TIFFRewriteField( tif, TIFFTAG_STRIPBYTECOUNTS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, sizes ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n }\n }\n if ((tif->tif_flags & (TIFF_DIRTYDIRECT|TIFF_DIRTYSTRIP))\n && !TIFFRewriteDirectory(tif))\n return (0);\n return (1);\n}', 'int\nTIFFRewriteDirectory( TIFF *tif )\n{\n\tstatic const char module[] = "TIFFRewriteDirectory";\n\tif( tif->tif_diroff == 0 )\n\t\treturn TIFFWriteDirectory( tif );\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t{\n\t\tif (tif->tif_header.classic.tiff_diroff == tif->tif_diroff)\n\t\t{\n\t\t\ttif->tif_header.classic.tiff_diroff = 0;\n\t\t\ttif->tif_diroff = 0;\n\t\t\tTIFFSeekFile(tif,4,SEEK_SET);\n\t\t\tif (!WriteOK(tif, &(tif->tif_header.classic.tiff_diroff),4))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n\t\t\t\t "Error updating TIFF header");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tuint32 nextdir;\n\t\t\tnextdir = tif->tif_header.classic.tiff_diroff;\n\t\t\twhile(1) {\n\t\t\t\tuint16 dircount;\n\t\t\t\tuint32 nextnextdir;\n\t\t\t\tif (!SeekOK(tif, nextdir) ||\n\t\t\t\t !ReadOK(tif, &dircount, 2)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory count");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabShort(&dircount);\n\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t nextdir+2+dircount*12, SEEK_SET);\n\t\t\t\tif (!ReadOK(tif, &nextnextdir, 4)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory link");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabLong(&nextnextdir);\n\t\t\t\tif (nextnextdir==tif->tif_diroff)\n\t\t\t\t{\n\t\t\t\t\tuint32 m;\n\t\t\t\t\tm=0;\n\t\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t\t nextdir+2+dircount*12, SEEK_SET);\n\t\t\t\t\tif (!WriteOK(tif, &m, 4)) {\n\t\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t\t "Error writing directory link");\n\t\t\t\t\t\treturn (0);\n\t\t\t\t\t}\n\t\t\t\t\ttif->tif_diroff=0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tnextdir=nextnextdir;\n\t\t\t}\n\t\t}\n\t}\n\telse\n\t{\n\t\tif (tif->tif_header.big.tiff_diroff == tif->tif_diroff)\n\t\t{\n\t\t\ttif->tif_header.big.tiff_diroff = 0;\n\t\t\ttif->tif_diroff = 0;\n\t\t\tTIFFSeekFile(tif,8,SEEK_SET);\n\t\t\tif (!WriteOK(tif, &(tif->tif_header.big.tiff_diroff),8))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n\t\t\t\t "Error updating TIFF header");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tuint64 nextdir;\n\t\t\tnextdir = tif->tif_header.big.tiff_diroff;\n\t\t\twhile(1) {\n\t\t\t\tuint64 dircount64;\n\t\t\t\tuint16 dircount;\n\t\t\t\tuint64 nextnextdir;\n\t\t\t\tif (!SeekOK(tif, nextdir) ||\n\t\t\t\t !ReadOK(tif, &dircount64, 8)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory count");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabLong8(&dircount64);\n\t\t\t\tif (dircount64>0xFFFF)\n\t\t\t\t{\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Sanity check on tag count failed, likely corrupt TIFF");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tdircount=(uint16)dircount64;\n\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t nextdir+8+dircount*20, SEEK_SET);\n\t\t\t\tif (!ReadOK(tif, &nextnextdir, 8)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory link");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabLong8(&nextnextdir);\n\t\t\t\tif (nextnextdir==tif->tif_diroff)\n\t\t\t\t{\n\t\t\t\t\tuint64 m;\n\t\t\t\t\tm=0;\n\t\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t\t nextdir+8+dircount*20, SEEK_SET);\n\t\t\t\t\tif (!WriteOK(tif, &m, 8)) {\n\t\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t\t "Error writing directory link");\n\t\t\t\t\t\treturn (0);\n\t\t\t\t\t}\n\t\t\t\t\ttif->tif_diroff=0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tnextdir=nextnextdir;\n\t\t\t}\n\t\t}\n\t}\n\treturn TIFFWriteDirectory( tif );\n}', 'int\nTIFFWriteDirectory(TIFF* tif)\n{\n\treturn TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL);\n}', 'static int\nTIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)\n{\n\tstatic const char module[] = "TIFFWriteDirectorySec";\n\tuint32 ndir;\n\tTIFFDirEntry* dir;\n\tuint32 dirsize;\n\tvoid* dirmem;\n\tuint32 m;\n\tif (tif->tif_mode == O_RDONLY)\n\t\treturn (1);\n\tif (imagedone)\n\t{\n\t\tif (tif->tif_flags & TIFF_POSTENCODE)\n\t\t{\n\t\t\ttif->tif_flags &= ~TIFF_POSTENCODE;\n\t\t\tif (!(*tif->tif_postencode)(tif))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t\t "Error post-encoding before directory write");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\t(*tif->tif_close)(tif);\n\t\tif (tif->tif_rawcc > 0\n\t\t && (tif->tif_flags & TIFF_BEENWRITING) != 0 )\n\t\t{\n\t\t if( !TIFFFlushData1(tif) )\n {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Error flushing data before directory write");\n\t\t\treturn (0);\n }\n\t\t}\n\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata)\n\t\t{\n\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\ttif->tif_rawdata = NULL;\n\t\t\ttif->tif_rawcc = 0;\n\t\t\ttif->tif_rawdatasize = 0;\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = 0;\n\t\t}\n\t\ttif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP);\n\t}\n\tdir=NULL;\n\tdirmem=NULL;\n\tdirsize=0;\n\twhile (1)\n\t{\n\t\tndir=0;\n\t\tif (isimage)\n\t\t{\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGEWIDTH,tif->tif_dir.td_imagewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGELENGTH,tif->tif_dir.td_imagelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILEWIDTH,tif->tif_dir.td_tilewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILELENGTH,tif->tif_dir.td_tilelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XRESOLUTION,tif->tif_dir.td_xresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YRESOLUTION,tif->tif_dir.td_yresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_POSITION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XPOSITION,tif->tif_dir.td_xposition))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YPOSITION,tif->tif_dir.td_yposition))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBFILETYPE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_SUBFILETYPE,tif->tif_dir.td_subfiletype))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_BITSPERSAMPLE,tif->tif_dir.td_bitspersample))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COMPRESSION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_COMPRESSION,tif->tif_dir.td_compression))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PHOTOMETRIC))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PHOTOMETRIC,tif->tif_dir.td_photometric))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_THRESHHOLDING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_THRESHHOLDING,tif->tif_dir.td_threshholding))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_FILLORDER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_FILLORDER,tif->tif_dir.td_fillorder))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ORIENTATION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_ORIENTATION,tif->tif_dir.td_orientation))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_SAMPLESPERPIXEL,tif->tif_dir.td_samplesperpixel))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_ROWSPERSTRIP,tif->tif_dir.td_rowsperstrip))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MINSAMPLEVALUE,tif->tif_dir.td_minsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MAXSAMPLEVALUE,tif->tif_dir.td_maxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PLANARCONFIG))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PLANARCONFIG,tif->tif_dir.td_planarconfig))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_RESOLUTIONUNIT,tif->tif_dir.td_resolutionunit))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PAGENUMBER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_PAGENUMBER,2,&tif->tif_dir.td_pagenumber[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPBYTECOUNTS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPOFFSETS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COLORMAP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagColormap(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_EXTRASAMPLES))\n\t\t\t{\n\t\t\t\tif (tif->tif_dir.td_extrasamples)\n\t\t\t\t{\n\t\t\t\t\tuint16 na;\n\t\t\t\t\tuint16* nb;\n\t\t\t\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_EXTRASAMPLES,&na,&nb);\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_EXTRASAMPLES,na,nb))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_SAMPLEFORMAT,tif->tif_dir.td_sampleformat))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatPerSample(tif,&ndir,dir,TIFFTAG_SMINSAMPLEVALUE,tif->tif_dir.td_sminsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatPerSample(tif,&ndir,dir,TIFFTAG_SMAXSAMPLEVALUE,tif->tif_dir.td_smaxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_IMAGEDEPTH,tif->tif_dir.td_imagedepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_TILEDEPTH,tif->tif_dir.td_tiledepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_HALFTONEHINTS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_HALFTONEHINTS,2,&tif->tif_dir.td_halftonehints[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_YCBCRSUBSAMPLING,2,&tif->tif_dir.td_ycbcrsubsampling[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_YCBCRPOSITIONING,tif->tif_dir.td_ycbcrpositioning))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagTransferfunction(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_INKNAMES))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,TIFFTAG_INKNAMES,tif->tif_dir.td_inknameslen,tif->tif_dir.td_inknames))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSubifd(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\t{\n\t\t\t\tuint32 n;\n\t\t\t\tfor (n=0; n<tif->tif_nfields; n++) {\n\t\t\t\t\tconst TIFFField* o;\n\t\t\t\t\to = tif->tif_fields[n];\n\t\t\t\t\tif ((o->field_bit>=FIELD_CODEC)&&(TIFFFieldSet(tif,o->field_bit)))\n\t\t\t\t\t{\n\t\t\t\t\t\tswitch (o->get_field_type)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcase TIFF_SETGET_ASCII:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tchar* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_ASCII);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pb);\n\t\t\t\t\t\t\t\t\tpa=(uint32)(strlen(pb));\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT16:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint16 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_SHORT);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT32:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_LONG);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_C32_UINT8:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tvoid* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_UNDEFINED);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE2);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==1);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pa,&pb);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tassert(0);\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tfor (m=0; m<(uint32)(tif->tif_dir.td_customValueCount); m++)\n\t\t{\n\t\t\tswitch (tif->tif_dir.td_customValues[m].info->field_type)\n\t\t\t{\n\t\t\t\tcase TIFF_ASCII:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_UNDEFINED:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_BYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagByteArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SBYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSbyteArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SSHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSshortArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlongArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLong8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlong8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_RATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SRATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSrationalArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_FLOAT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagFloatArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_DOUBLE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagDoubleArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdIfd8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tassert(0);\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (dir!=NULL)\n\t\t\tbreak;\n\t\tdir=_TIFFmalloc(ndir*sizeof(TIFFDirEntry));\n\t\tif (dir==NULL)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (isimage)\n\t\t{\n\t\t\tif ((tif->tif_diroff==0)&&(!TIFFLinkDirectory(tif)))\n\t\t\t\tgoto bad;\n\t\t}\n\t\telse\n\t\t\ttif->tif_diroff=(TIFFSeekFile(tif,0,SEEK_END)+1)&(~1);\n\t\tif (pdiroff!=NULL)\n\t\t\t*pdiroff=tif->tif_diroff;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\tdirsize=2+ndir*12+4;\n\t\telse\n\t\t\tdirsize=8+ndir*20+8;\n\t\ttif->tif_dataoff=tif->tif_diroff+dirsize;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\ttif->tif_dataoff=(uint32)tif->tif_dataoff;\n\t\tif ((tif->tif_dataoff<tif->tif_diroff)||(tif->tif_dataoff<(uint64)dirsize))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_dataoff&1)\n\t\t\ttif->tif_dataoff++;\n\t\tif (isimage)\n\t\t\ttif->tif_curdir++;\n\t}\n\tif (isimage)\n\t{\n\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD)&&(tif->tif_subifdoff==0))\n\t\t{\n\t\t\tuint32 na;\n\t\t\tTIFFDirEntry* nb;\n\t\t\tfor (na=0, nb=dir; ; na++, nb++)\n\t\t\t{\n\t\t\t\tassert(na<ndir);\n\t\t\t\tif (nb->tdir_tag==TIFFTAG_SUBIFD)\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+2+na*12+8;\n\t\t\telse\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+8+na*20+12;\n\t\t}\n\t}\n\tdirmem=_TIFFmalloc(dirsize);\n\tif (dirmem==NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\tgoto bad;\n\t}\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t{\n\t\tuint8* n;\n\t\tuint32 nTmp;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint16*)n=ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabShort((uint16*)n);\n\t\tn+=2;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\tnTmp = (uint32)o->tdir_count;\n\t\t\t_TIFFmemcpy(n,&nTmp,4);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong((uint32*)n);\n\t\t\tn+=4;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,4);\n\t\t\tn+=4;\n\t\t\to++;\n\t\t}\n\t\tnTmp = (uint32)tif->tif_nextdiroff;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong(&nTmp);\n\t\t_TIFFmemcpy(n,&nTmp,4);\n\t}\n\telse\n\t{\n\t\tuint8* n;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint64*)n=ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t\tn+=8;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t_TIFFmemcpy(n,&o->tdir_count,8);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong8((uint64*)n);\n\t\t\tn+=8;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,8);\n\t\t\tn+=8;\n\t\t\to++;\n\t\t}\n\t\t_TIFFmemcpy(n,&tif->tif_nextdiroff,8);\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t}\n\t_TIFFfree(dir);\n\tdir=NULL;\n\tif (!SeekOK(tif,tif->tif_diroff))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\tif (!WriteOK(tif,dirmem,(tmsize_t)dirsize))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\t_TIFFfree(dirmem);\n\tif (imagedone)\n\t{\n\t\tTIFFFreeDirectory(tif);\n\t\ttif->tif_flags &= ~TIFF_DIRTYDIRECT;\n\t\ttif->tif_flags &= ~TIFF_DIRTYSTRIP;\n\t\t(*tif->tif_cleanup)(tif);\n\t\tTIFFCreateDirectory(tif);\n\t}\n\treturn(1);\nbad:\n\tif (dir!=NULL)\n\t\t_TIFFfree(dir);\n\tif (dirmem!=NULL)\n\t\t_TIFFfree(dirmem);\n\treturn(0);\n}', 'static int\nTIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value)\n{\n\tswitch (tif->tif_dir.td_sampleformat)\n\t{\n\t\tcase SAMPLEFORMAT_IEEEFP:\n\t\t\tif (tif->tif_dir.td_bitspersample<=32)\n\t\t\t\treturn(TIFFWriteDirectoryTagFloatPerSample(tif,ndir,dir,tag,(float)value));\n\t\t\telse\n\t\t\t\treturn(TIFFWriteDirectoryTagDoublePerSample(tif,ndir,dir,tag,value));\n\t\tcase SAMPLEFORMAT_INT:\n\t\t\tif (tif->tif_dir.td_bitspersample<=8)\n\t\t\t\treturn(TIFFWriteDirectoryTagSbytePerSample(tif,ndir,dir,tag,(int8)value));\n\t\t\telse if (tif->tif_dir.td_bitspersample<=16)\n\t\t\t\treturn(TIFFWriteDirectoryTagSshortPerSample(tif,ndir,dir,tag,(int16)value));\n\t\t\telse\n\t\t\t\treturn(TIFFWriteDirectoryTagSlongPerSample(tif,ndir,dir,tag,(int32)value));\n\t\tcase SAMPLEFORMAT_UINT:\n\t\t\tif (tif->tif_dir.td_bitspersample<=8)\n\t\t\t\treturn(TIFFWriteDirectoryTagBytePerSample(tif,ndir,dir,tag,(uint8)value));\n\t\t\telse if (tif->tif_dir.td_bitspersample<=16)\n\t\t\t\treturn(TIFFWriteDirectoryTagShortPerSample(tif,ndir,dir,tag,(uint16)value));\n\t\t\telse\n\t\t\t\treturn(TIFFWriteDirectoryTagLongPerSample(tif,ndir,dir,tag,(uint32)value));\n\t\tdefault:\n\t\t\treturn(1);\n\t}\n}', 'static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value)\n{\n\tstatic const char module[] = "TIFFWriteDirectoryTagDoublePerSample";\n\tdouble* m;\n\tdouble* na;\n\tuint16 nb;\n\tint o;\n\tif (dir==NULL)\n\t{\n\t\t(*ndir)++;\n\t\treturn(1);\n\t}\n\tm=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(double));\n\tif (m==NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\treturn(0);\n\t}\n\tfor (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++)\n\t\t*na=value;\n\to=TIFFWriteDirectoryTagCheckedDoubleArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m);\n\t_TIFFfree(m);\n\treturn(o);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n\treturn (malloc((size_t) s));\n}', 'static int\nTIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value)\n{\n\tassert(count<0x20000000);\n\tassert(sizeof(double)==8);\n\tTIFFCvtNativeToIEEEDouble(tif,count,&value);\n\tif (tif->tif_flags&TIFF_SWAB)\n\t\tTIFFSwabArrayOfDouble(value,count);\n\treturn(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_DOUBLE,count,count*8,value));\n}', 'void\nTIFFSwabArrayOfDouble(double* dp, tmsize_t n)\n{\n\tregister unsigned char *cp;\n\tregister unsigned char t;\n\tassert(sizeof(double)==8);\n\twhile (n-- > 0) {\n\t\tcp = (unsigned char *)dp;\n\t\tt = cp[7]; cp[7] = cp[0]; cp[0] = t;\n\t\tt = cp[6]; cp[6] = cp[1]; cp[1] = t;\n\t\tt = cp[5]; cp[5] = cp[2]; cp[2] = t;\n\t\tt = cp[4]; cp[4] = cp[3]; cp[3] = t;\n\t\tdp++;\n\t}\n}'] |
16,381 | 0 | https://github.com/openssl/openssl/blob/a00ae6c46e0d7907a7c9f9e85334e968aa5fd338/apps/speed.c/#L1935 | int MAIN(int argc, char **argv)
{
unsigned char *buf_malloc = NULL, *buf2_malloc = NULL;
unsigned char *buf = NULL, *buf2 = NULL;
int mret = 1;
long count = 0, save_count = 0;
int i, j, k;
#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
long rsa_count;
#endif
#ifndef OPENSSL_NO_RSA
unsigned rsa_num;
#endif
unsigned char md[EVP_MAX_MD_SIZE];
#ifndef OPENSSL_NO_MD2
unsigned char md2[MD2_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_MDC2
unsigned char mdc2[MDC2_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_MD4
unsigned char md4[MD4_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_MD5
unsigned char md5[MD5_DIGEST_LENGTH];
unsigned char hmac[MD5_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_SHA
unsigned char sha[SHA_DIGEST_LENGTH];
# ifndef OPENSSL_NO_SHA256
unsigned char sha256[SHA256_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_SHA512
unsigned char sha512[SHA512_DIGEST_LENGTH];
# endif
#endif
#ifndef OPENSSL_NO_WHIRLPOOL
unsigned char whirlpool[WHIRLPOOL_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_RMD160
unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_RC4
RC4_KEY rc4_ks;
#endif
#ifndef OPENSSL_NO_RC5
RC5_32_KEY rc5_ks;
#endif
#ifndef OPENSSL_NO_RC2
RC2_KEY rc2_ks;
#endif
#ifndef OPENSSL_NO_IDEA
IDEA_KEY_SCHEDULE idea_ks;
#endif
#ifndef OPENSSL_NO_SEED
SEED_KEY_SCHEDULE seed_ks;
#endif
#ifndef OPENSSL_NO_BF
BF_KEY bf_ks;
#endif
#ifndef OPENSSL_NO_CAST
CAST_KEY cast_ks;
#endif
static const unsigned char key16[16] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12
};
#ifndef OPENSSL_NO_AES
static const unsigned char key24[24] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34
};
static const unsigned char key32[32] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,
0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56
};
#endif
#ifndef OPENSSL_NO_CAMELLIA
static const unsigned char ckey24[24] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34
};
static const unsigned char ckey32[32] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,
0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56
};
#endif
#ifndef OPENSSL_NO_AES
# define MAX_BLOCK_SIZE 128
#else
# define MAX_BLOCK_SIZE 64
#endif
unsigned char DES_iv[8];
unsigned char iv[2 * MAX_BLOCK_SIZE / 8];
#ifndef OPENSSL_NO_DES
static DES_cblock key =
{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };
static DES_cblock key2 =
{ 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12 };
static DES_cblock key3 =
{ 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34 };
DES_key_schedule sch;
DES_key_schedule sch2;
DES_key_schedule sch3;
#endif
#ifndef OPENSSL_NO_AES
AES_KEY aes_ks1, aes_ks2, aes_ks3;
#endif
#ifndef OPENSSL_NO_CAMELLIA
CAMELLIA_KEY camellia_ks1, camellia_ks2, camellia_ks3;
#endif
#define D_MD2 0
#define D_MDC2 1
#define D_MD4 2
#define D_MD5 3
#define D_HMAC 4
#define D_SHA1 5
#define D_RMD160 6
#define D_RC4 7
#define D_CBC_DES 8
#define D_EDE3_DES 9
#define D_CBC_IDEA 10
#define D_CBC_SEED 11
#define D_CBC_RC2 12
#define D_CBC_RC5 13
#define D_CBC_BF 14
#define D_CBC_CAST 15
#define D_CBC_128_AES 16
#define D_CBC_192_AES 17
#define D_CBC_256_AES 18
#define D_CBC_128_CML 19
#define D_CBC_192_CML 20
#define D_CBC_256_CML 21
#define D_EVP 22
#define D_SHA256 23
#define D_SHA512 24
#define D_WHIRLPOOL 25
#define D_IGE_128_AES 26
#define D_IGE_192_AES 27
#define D_IGE_256_AES 28
#define D_GHASH 29
double d = 0.0;
long c[ALGOR_NUM][SIZE_NUM];
#ifndef OPENSSL_SYS_WIN32
#endif
#define R_DSA_512 0
#define R_DSA_1024 1
#define R_DSA_2048 2
#define R_RSA_512 0
#define R_RSA_1024 1
#define R_RSA_2048 2
#define R_RSA_3072 3
#define R_RSA_4096 4
#define R_RSA_7680 5
#define R_RSA_15360 6
#define R_EC_P160 0
#define R_EC_P192 1
#define R_EC_P224 2
#define R_EC_P256 3
#define R_EC_P384 4
#define R_EC_P521 5
#define R_EC_K163 6
#define R_EC_K233 7
#define R_EC_K283 8
#define R_EC_K409 9
#define R_EC_K571 10
#define R_EC_B163 11
#define R_EC_B233 12
#define R_EC_B283 13
#define R_EC_B409 14
#define R_EC_B571 15
#ifndef OPENSSL_NO_RSA
RSA *rsa_key[RSA_NUM];
long rsa_c[RSA_NUM][2];
static unsigned int rsa_bits[RSA_NUM] = {
512, 1024, 2048, 3072, 4096, 7680, 15360
};
static unsigned char *rsa_data[RSA_NUM] = {
test512, test1024, test2048, test3072, test4096, test7680, test15360
};
static int rsa_data_length[RSA_NUM] = {
sizeof(test512), sizeof(test1024),
sizeof(test2048), sizeof(test3072),
sizeof(test4096), sizeof(test7680),
sizeof(test15360)
};
#endif
#ifndef OPENSSL_NO_DSA
DSA *dsa_key[DSA_NUM];
long dsa_c[DSA_NUM][2];
static unsigned int dsa_bits[DSA_NUM] = { 512, 1024, 2048 };
#endif
#ifndef OPENSSL_NO_EC
static unsigned int test_curves[EC_NUM] = {
NID_secp160r1,
NID_X9_62_prime192v1,
NID_secp224r1,
NID_X9_62_prime256v1,
NID_secp384r1,
NID_secp521r1,
NID_sect163k1,
NID_sect233k1,
NID_sect283k1,
NID_sect409k1,
NID_sect571k1,
NID_sect163r2,
NID_sect233r1,
NID_sect283r1,
NID_sect409r1,
NID_sect571r1
};
static const char *test_curves_names[EC_NUM] = {
"secp160r1",
"nistp192",
"nistp224",
"nistp256",
"nistp384",
"nistp521",
"nistk163",
"nistk233",
"nistk283",
"nistk409",
"nistk571",
"nistb163",
"nistb233",
"nistb283",
"nistb409",
"nistb571"
};
static int test_curves_bits[EC_NUM] = {
160, 192, 224, 256, 384, 521,
163, 233, 283, 409, 571,
163, 233, 283, 409, 571
};
#endif
#ifndef OPENSSL_NO_ECDSA
unsigned char ecdsasig[256];
unsigned int ecdsasiglen;
EC_KEY *ecdsa[EC_NUM];
long ecdsa_c[EC_NUM][2];
#endif
#ifndef OPENSSL_NO_ECDH
EC_KEY *ecdh_a[EC_NUM], *ecdh_b[EC_NUM];
unsigned char secret_a[MAX_ECDH_SIZE], secret_b[MAX_ECDH_SIZE];
int secret_size_a, secret_size_b;
int ecdh_checks = 0;
int secret_idx = 0;
long ecdh_c[EC_NUM][2];
#endif
int rsa_doit[RSA_NUM];
int dsa_doit[DSA_NUM];
#ifndef OPENSSL_NO_ECDSA
int ecdsa_doit[EC_NUM];
#endif
#ifndef OPENSSL_NO_ECDH
int ecdh_doit[EC_NUM];
#endif
int doit[ALGOR_NUM];
int pr_header = 0;
const EVP_CIPHER *evp_cipher = NULL;
const EVP_MD *evp_md = NULL;
int decrypt = 0;
#ifndef NO_FORK
int multi = 0;
#endif
int multiblock = 0;
int misalign = MAX_MISALIGNMENT + 1;
#ifndef TIMES
usertime = -1;
#endif
apps_startup();
memset(results, 0, sizeof(results));
#ifndef OPENSSL_NO_DSA
memset(dsa_key, 0, sizeof(dsa_key));
#endif
#ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
ecdsa[i] = NULL;
#endif
#ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++) {
ecdh_a[i] = NULL;
ecdh_b[i] = NULL;
}
#endif
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto end;
#ifndef OPENSSL_NO_RSA
memset(rsa_key, 0, sizeof(rsa_key));
for (i = 0; i < RSA_NUM; i++)
rsa_key[i] = NULL;
#endif
if ((buf_malloc =
(unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {
BIO_printf(bio_err, "out of memory\n");
goto end;
}
if ((buf2_malloc =
(unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {
BIO_printf(bio_err, "out of memory\n");
goto end;
}
misalign = 0;
buf = buf_malloc;
buf2 = buf2_malloc;
memset(c, 0, sizeof(c));
memset(DES_iv, 0, sizeof(DES_iv));
memset(iv, 0, sizeof(iv));
for (i = 0; i < ALGOR_NUM; i++)
doit[i] = 0;
for (i = 0; i < RSA_NUM; i++)
rsa_doit[i] = 0;
for (i = 0; i < DSA_NUM; i++)
dsa_doit[i] = 0;
#ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
ecdsa_doit[i] = 0;
#endif
#ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++)
ecdh_doit[i] = 0;
#endif
j = 0;
argc--;
argv++;
while (argc) {
if ((argc > 0) && (strcmp(*argv, "-elapsed") == 0)) {
usertime = 0;
j--;
} else if ((argc > 0) && (strcmp(*argv, "-evp") == 0)) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no EVP given\n");
goto end;
}
evp_cipher = EVP_get_cipherbyname(*argv);
if (!evp_cipher) {
evp_md = EVP_get_digestbyname(*argv);
}
if (!evp_cipher && !evp_md) {
BIO_printf(bio_err, "%s is an unknown cipher or digest\n",
*argv);
goto end;
}
doit[D_EVP] = 1;
} else if (argc > 0 && !strcmp(*argv, "-decrypt")) {
decrypt = 1;
j--;
}
#ifndef OPENSSL_NO_ENGINE
else if ((argc > 0) && (strcmp(*argv, "-engine") == 0)) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no engine given\n");
goto end;
}
setup_engine(bio_err, *argv, 0);
j--;
}
#endif
#ifndef NO_FORK
else if ((argc > 0) && (strcmp(*argv, "-multi") == 0)) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no multi count given\n");
goto end;
}
multi = atoi(argv[0]);
if (multi <= 0) {
BIO_printf(bio_err, "bad multi count\n");
goto end;
}
j--;
}
#endif
else if (argc > 0 && !strcmp(*argv, "-mr")) {
mr = 1;
j--;
} else if (argc > 0 && !strcmp(*argv, "-mb")) {
multiblock = 1;
j--;
} else if (argc > 0 && !strcmp(*argv, "-misalign")) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no misalignment given\n");
goto end;
}
misalign = atoi(argv[0]);
if (misalign < 0 || misalign > MAX_MISALIGNMENT) {
BIO_printf(bio_err,
"misalignment is outsize permitted range 0-%d\n",
MAX_MISALIGNMENT);
goto end;
}
buf = buf_malloc + misalign;
buf2 = buf2_malloc + misalign;
j--;
} else
#ifndef OPENSSL_NO_MD2
if (strcmp(*argv, "md2") == 0)
doit[D_MD2] = 1;
else
#endif
#ifndef OPENSSL_NO_MDC2
if (strcmp(*argv, "mdc2") == 0)
doit[D_MDC2] = 1;
else
#endif
#ifndef OPENSSL_NO_MD4
if (strcmp(*argv, "md4") == 0)
doit[D_MD4] = 1;
else
#endif
#ifndef OPENSSL_NO_MD5
if (strcmp(*argv, "md5") == 0)
doit[D_MD5] = 1;
else
#endif
#ifndef OPENSSL_NO_MD5
if (strcmp(*argv, "hmac") == 0)
doit[D_HMAC] = 1;
else
#endif
#ifndef OPENSSL_NO_SHA
if (strcmp(*argv, "sha1") == 0)
doit[D_SHA1] = 1;
else if (strcmp(*argv, "sha") == 0)
doit[D_SHA1] = 1, doit[D_SHA256] = 1, doit[D_SHA512] = 1;
else
# ifndef OPENSSL_NO_SHA256
if (strcmp(*argv, "sha256") == 0)
doit[D_SHA256] = 1;
else
# endif
# ifndef OPENSSL_NO_SHA512
if (strcmp(*argv, "sha512") == 0)
doit[D_SHA512] = 1;
else
# endif
#endif
#ifndef OPENSSL_NO_WHIRLPOOL
if (strcmp(*argv, "whirlpool") == 0)
doit[D_WHIRLPOOL] = 1;
else
#endif
#ifndef OPENSSL_NO_RMD160
if (strcmp(*argv, "ripemd") == 0)
doit[D_RMD160] = 1;
else if (strcmp(*argv, "rmd160") == 0)
doit[D_RMD160] = 1;
else if (strcmp(*argv, "ripemd160") == 0)
doit[D_RMD160] = 1;
else
#endif
#ifndef OPENSSL_NO_RC4
if (strcmp(*argv, "rc4") == 0)
doit[D_RC4] = 1;
else
#endif
#ifndef OPENSSL_NO_DES
if (strcmp(*argv, "des-cbc") == 0)
doit[D_CBC_DES] = 1;
else if (strcmp(*argv, "des-ede3") == 0)
doit[D_EDE3_DES] = 1;
else
#endif
#ifndef OPENSSL_NO_AES
if (strcmp(*argv, "aes-128-cbc") == 0)
doit[D_CBC_128_AES] = 1;
else if (strcmp(*argv, "aes-192-cbc") == 0)
doit[D_CBC_192_AES] = 1;
else if (strcmp(*argv, "aes-256-cbc") == 0)
doit[D_CBC_256_AES] = 1;
else if (strcmp(*argv, "aes-128-ige") == 0)
doit[D_IGE_128_AES] = 1;
else if (strcmp(*argv, "aes-192-ige") == 0)
doit[D_IGE_192_AES] = 1;
else if (strcmp(*argv, "aes-256-ige") == 0)
doit[D_IGE_256_AES] = 1;
else
#endif
#ifndef OPENSSL_NO_CAMELLIA
if (strcmp(*argv, "camellia-128-cbc") == 0)
doit[D_CBC_128_CML] = 1;
else if (strcmp(*argv, "camellia-192-cbc") == 0)
doit[D_CBC_192_CML] = 1;
else if (strcmp(*argv, "camellia-256-cbc") == 0)
doit[D_CBC_256_CML] = 1;
else
#endif
#ifndef OPENSSL_NO_RSA
# if 0
if (strcmp(*argv, "rsaref") == 0) {
RSA_set_default_openssl_method(RSA_PKCS1_RSAref());
j--;
} else
# endif
# ifndef RSA_NULL
if (strcmp(*argv, "openssl") == 0) {
RSA_set_default_method(RSA_PKCS1_SSLeay());
j--;
} else
# endif
#endif
if (strcmp(*argv, "dsa512") == 0)
dsa_doit[R_DSA_512] = 2;
else if (strcmp(*argv, "dsa1024") == 0)
dsa_doit[R_DSA_1024] = 2;
else if (strcmp(*argv, "dsa2048") == 0)
dsa_doit[R_DSA_2048] = 2;
else if (strcmp(*argv, "rsa512") == 0)
rsa_doit[R_RSA_512] = 2;
else if (strcmp(*argv, "rsa1024") == 0)
rsa_doit[R_RSA_1024] = 2;
else if (strcmp(*argv, "rsa2048") == 0)
rsa_doit[R_RSA_2048] = 2;
else if (strcmp(*argv, "rsa3072") == 0)
rsa_doit[R_RSA_3072] = 2;
else if (strcmp(*argv, "rsa4096") == 0)
rsa_doit[R_RSA_4096] = 2;
else if (strcmp(*argv, "rsa7680") == 0)
rsa_doit[R_RSA_7680] = 2;
else if (strcmp(*argv, "rsa15360") == 0)
rsa_doit[R_RSA_15360] = 2;
else
#ifndef OPENSSL_NO_RC2
if (strcmp(*argv, "rc2-cbc") == 0)
doit[D_CBC_RC2] = 1;
else if (strcmp(*argv, "rc2") == 0)
doit[D_CBC_RC2] = 1;
else
#endif
#ifndef OPENSSL_NO_RC5
if (strcmp(*argv, "rc5-cbc") == 0)
doit[D_CBC_RC5] = 1;
else if (strcmp(*argv, "rc5") == 0)
doit[D_CBC_RC5] = 1;
else
#endif
#ifndef OPENSSL_NO_IDEA
if (strcmp(*argv, "idea-cbc") == 0)
doit[D_CBC_IDEA] = 1;
else if (strcmp(*argv, "idea") == 0)
doit[D_CBC_IDEA] = 1;
else
#endif
#ifndef OPENSSL_NO_SEED
if (strcmp(*argv, "seed-cbc") == 0)
doit[D_CBC_SEED] = 1;
else if (strcmp(*argv, "seed") == 0)
doit[D_CBC_SEED] = 1;
else
#endif
#ifndef OPENSSL_NO_BF
if (strcmp(*argv, "bf-cbc") == 0)
doit[D_CBC_BF] = 1;
else if (strcmp(*argv, "blowfish") == 0)
doit[D_CBC_BF] = 1;
else if (strcmp(*argv, "bf") == 0)
doit[D_CBC_BF] = 1;
else
#endif
#ifndef OPENSSL_NO_CAST
if (strcmp(*argv, "cast-cbc") == 0)
doit[D_CBC_CAST] = 1;
else if (strcmp(*argv, "cast") == 0)
doit[D_CBC_CAST] = 1;
else if (strcmp(*argv, "cast5") == 0)
doit[D_CBC_CAST] = 1;
else
#endif
#ifndef OPENSSL_NO_DES
if (strcmp(*argv, "des") == 0) {
doit[D_CBC_DES] = 1;
doit[D_EDE3_DES] = 1;
} else
#endif
#ifndef OPENSSL_NO_AES
if (strcmp(*argv, "aes") == 0) {
doit[D_CBC_128_AES] = 1;
doit[D_CBC_192_AES] = 1;
doit[D_CBC_256_AES] = 1;
} else if (strcmp(*argv, "ghash") == 0) {
doit[D_GHASH] = 1;
} else
#endif
#ifndef OPENSSL_NO_CAMELLIA
if (strcmp(*argv, "camellia") == 0) {
doit[D_CBC_128_CML] = 1;
doit[D_CBC_192_CML] = 1;
doit[D_CBC_256_CML] = 1;
} else
#endif
#ifndef OPENSSL_NO_RSA
if (strcmp(*argv, "rsa") == 0) {
rsa_doit[R_RSA_512] = 1;
rsa_doit[R_RSA_1024] = 1;
rsa_doit[R_RSA_2048] = 1;
rsa_doit[R_RSA_3072] = 1;
rsa_doit[R_RSA_4096] = 1;
rsa_doit[R_RSA_7680] = 1;
rsa_doit[R_RSA_15360] = 1;
} else
#endif
#ifndef OPENSSL_NO_DSA
if (strcmp(*argv, "dsa") == 0) {
dsa_doit[R_DSA_512] = 1;
dsa_doit[R_DSA_1024] = 1;
dsa_doit[R_DSA_2048] = 1;
} else
#endif
#ifndef OPENSSL_NO_ECDSA
if (strcmp(*argv, "ecdsap160") == 0)
ecdsa_doit[R_EC_P160] = 2;
else if (strcmp(*argv, "ecdsap192") == 0)
ecdsa_doit[R_EC_P192] = 2;
else if (strcmp(*argv, "ecdsap224") == 0)
ecdsa_doit[R_EC_P224] = 2;
else if (strcmp(*argv, "ecdsap256") == 0)
ecdsa_doit[R_EC_P256] = 2;
else if (strcmp(*argv, "ecdsap384") == 0)
ecdsa_doit[R_EC_P384] = 2;
else if (strcmp(*argv, "ecdsap521") == 0)
ecdsa_doit[R_EC_P521] = 2;
else if (strcmp(*argv, "ecdsak163") == 0)
ecdsa_doit[R_EC_K163] = 2;
else if (strcmp(*argv, "ecdsak233") == 0)
ecdsa_doit[R_EC_K233] = 2;
else if (strcmp(*argv, "ecdsak283") == 0)
ecdsa_doit[R_EC_K283] = 2;
else if (strcmp(*argv, "ecdsak409") == 0)
ecdsa_doit[R_EC_K409] = 2;
else if (strcmp(*argv, "ecdsak571") == 0)
ecdsa_doit[R_EC_K571] = 2;
else if (strcmp(*argv, "ecdsab163") == 0)
ecdsa_doit[R_EC_B163] = 2;
else if (strcmp(*argv, "ecdsab233") == 0)
ecdsa_doit[R_EC_B233] = 2;
else if (strcmp(*argv, "ecdsab283") == 0)
ecdsa_doit[R_EC_B283] = 2;
else if (strcmp(*argv, "ecdsab409") == 0)
ecdsa_doit[R_EC_B409] = 2;
else if (strcmp(*argv, "ecdsab571") == 0)
ecdsa_doit[R_EC_B571] = 2;
else if (strcmp(*argv, "ecdsa") == 0) {
for (i = 0; i < EC_NUM; i++)
ecdsa_doit[i] = 1;
} else
#endif
#ifndef OPENSSL_NO_ECDH
if (strcmp(*argv, "ecdhp160") == 0)
ecdh_doit[R_EC_P160] = 2;
else if (strcmp(*argv, "ecdhp192") == 0)
ecdh_doit[R_EC_P192] = 2;
else if (strcmp(*argv, "ecdhp224") == 0)
ecdh_doit[R_EC_P224] = 2;
else if (strcmp(*argv, "ecdhp256") == 0)
ecdh_doit[R_EC_P256] = 2;
else if (strcmp(*argv, "ecdhp384") == 0)
ecdh_doit[R_EC_P384] = 2;
else if (strcmp(*argv, "ecdhp521") == 0)
ecdh_doit[R_EC_P521] = 2;
else if (strcmp(*argv, "ecdhk163") == 0)
ecdh_doit[R_EC_K163] = 2;
else if (strcmp(*argv, "ecdhk233") == 0)
ecdh_doit[R_EC_K233] = 2;
else if (strcmp(*argv, "ecdhk283") == 0)
ecdh_doit[R_EC_K283] = 2;
else if (strcmp(*argv, "ecdhk409") == 0)
ecdh_doit[R_EC_K409] = 2;
else if (strcmp(*argv, "ecdhk571") == 0)
ecdh_doit[R_EC_K571] = 2;
else if (strcmp(*argv, "ecdhb163") == 0)
ecdh_doit[R_EC_B163] = 2;
else if (strcmp(*argv, "ecdhb233") == 0)
ecdh_doit[R_EC_B233] = 2;
else if (strcmp(*argv, "ecdhb283") == 0)
ecdh_doit[R_EC_B283] = 2;
else if (strcmp(*argv, "ecdhb409") == 0)
ecdh_doit[R_EC_B409] = 2;
else if (strcmp(*argv, "ecdhb571") == 0)
ecdh_doit[R_EC_B571] = 2;
else if (strcmp(*argv, "ecdh") == 0) {
for (i = 0; i < EC_NUM; i++)
ecdh_doit[i] = 1;
} else
#endif
{
BIO_printf(bio_err, "Error: bad option or value\n");
BIO_printf(bio_err, "\n");
BIO_printf(bio_err, "Available values:\n");
#ifndef OPENSSL_NO_MD2
BIO_printf(bio_err, "md2 ");
#endif
#ifndef OPENSSL_NO_MDC2
BIO_printf(bio_err, "mdc2 ");
#endif
#ifndef OPENSSL_NO_MD4
BIO_printf(bio_err, "md4 ");
#endif
#ifndef OPENSSL_NO_MD5
BIO_printf(bio_err, "md5 ");
# ifndef OPENSSL_NO_HMAC
BIO_printf(bio_err, "hmac ");
# endif
#endif
#ifndef OPENSSL_NO_SHA1
BIO_printf(bio_err, "sha1 ");
#endif
#ifndef OPENSSL_NO_SHA256
BIO_printf(bio_err, "sha256 ");
#endif
#ifndef OPENSSL_NO_SHA512
BIO_printf(bio_err, "sha512 ");
#endif
#ifndef OPENSSL_NO_WHIRLPOOL
BIO_printf(bio_err, "whirlpool");
#endif
#ifndef OPENSSL_NO_RMD160
BIO_printf(bio_err, "rmd160");
#endif
#if !defined(OPENSSL_NO_MD2) || !defined(OPENSSL_NO_MDC2) || \
!defined(OPENSSL_NO_MD4) || !defined(OPENSSL_NO_MD5) || \
!defined(OPENSSL_NO_SHA1) || !defined(OPENSSL_NO_RMD160) || \
!defined(OPENSSL_NO_WHIRLPOOL)
BIO_printf(bio_err, "\n");
#endif
#ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err, "idea-cbc ");
#endif
#ifndef OPENSSL_NO_SEED
BIO_printf(bio_err, "seed-cbc ");
#endif
#ifndef OPENSSL_NO_RC2
BIO_printf(bio_err, "rc2-cbc ");
#endif
#ifndef OPENSSL_NO_RC5
BIO_printf(bio_err, "rc5-cbc ");
#endif
#ifndef OPENSSL_NO_BF
BIO_printf(bio_err, "bf-cbc");
#endif
#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || !defined(OPENSSL_NO_RC2) || \
!defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_RC5)
BIO_printf(bio_err, "\n");
#endif
#ifndef OPENSSL_NO_DES
BIO_printf(bio_err, "des-cbc des-ede3 ");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err, "aes-128-cbc aes-192-cbc aes-256-cbc ");
BIO_printf(bio_err, "aes-128-ige aes-192-ige aes-256-ige ");
#endif
#ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err, "\n");
BIO_printf(bio_err,
"camellia-128-cbc camellia-192-cbc camellia-256-cbc ");
#endif
#ifndef OPENSSL_NO_RC4
BIO_printf(bio_err, "rc4");
#endif
BIO_printf(bio_err, "\n");
#ifndef OPENSSL_NO_RSA
BIO_printf(bio_err,
"rsa512 rsa1024 rsa2048 rsa3072 rsa4096\n");
BIO_printf(bio_err, "rsa7680 rsa15360\n");
#endif
#ifndef OPENSSL_NO_DSA
BIO_printf(bio_err, "dsa512 dsa1024 dsa2048\n");
#endif
#ifndef OPENSSL_NO_ECDSA
BIO_printf(bio_err, "ecdsap160 ecdsap192 ecdsap224 "
"ecdsap256 ecdsap384 ecdsap521\n");
BIO_printf(bio_err,
"ecdsak163 ecdsak233 ecdsak283 ecdsak409 ecdsak571\n");
BIO_printf(bio_err,
"ecdsab163 ecdsab233 ecdsab283 ecdsab409 ecdsab571\n");
BIO_printf(bio_err, "ecdsa\n");
#endif
#ifndef OPENSSL_NO_ECDH
BIO_printf(bio_err, "ecdhp160 ecdhp192 ecdhp224 "
"ecdhp256 ecdhp384 ecdhp521\n");
BIO_printf(bio_err,
"ecdhk163 ecdhk233 ecdhk283 ecdhk409 ecdhk571\n");
BIO_printf(bio_err,
"ecdhb163 ecdhb233 ecdhb283 ecdhb409 ecdhb571\n");
BIO_printf(bio_err, "ecdh\n");
#endif
#ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err, "idea ");
#endif
#ifndef OPENSSL_NO_SEED
BIO_printf(bio_err, "seed ");
#endif
#ifndef OPENSSL_NO_RC2
BIO_printf(bio_err, "rc2 ");
#endif
#ifndef OPENSSL_NO_DES
BIO_printf(bio_err, "des ");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err, "aes ");
#endif
#ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err, "camellia ");
#endif
#ifndef OPENSSL_NO_RSA
BIO_printf(bio_err, "rsa ");
#endif
#ifndef OPENSSL_NO_BF
BIO_printf(bio_err, "blowfish");
#endif
#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || \
!defined(OPENSSL_NO_RC2) || !defined(OPENSSL_NO_DES) || \
!defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_BF) || \
!defined(OPENSSL_NO_AES) || !defined(OPENSSL_NO_CAMELLIA)
BIO_printf(bio_err, "\n");
#endif
BIO_printf(bio_err, "\n");
BIO_printf(bio_err, "Available options:\n");
#if defined(TIMES) || defined(USE_TOD)
BIO_printf(bio_err, "-elapsed "
"measure time in real time instead of CPU user time.\n");
#endif
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
"-engine e "
"use engine e, possibly a hardware device.\n");
#endif
BIO_printf(bio_err, "-evp e " "use EVP e.\n");
BIO_printf(bio_err,
"-decrypt "
"time decryption instead of encryption (only EVP).\n");
BIO_printf(bio_err,
"-mr "
"produce machine readable output.\n");
BIO_printf(bio_err,
"-mb "
"perform multi-block benchmark (for specific ciphers)\n");
BIO_printf(bio_err,
"-misalign n "
"perform benchmark with misaligned data\n");
#ifndef NO_FORK
BIO_printf(bio_err,
"-multi n " "run n benchmarks in parallel.\n");
#endif
goto end;
}
argc--;
argv++;
j++;
}
#ifndef NO_FORK
if (multi && do_multi(multi))
goto show_res;
#endif
if (j == 0) {
for (i = 0; i < ALGOR_NUM; i++) {
if (i != D_EVP)
doit[i] = 1;
}
for (i = 0; i < RSA_NUM; i++)
rsa_doit[i] = 1;
for (i = 0; i < DSA_NUM; i++)
dsa_doit[i] = 1;
#ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
ecdsa_doit[i] = 1;
#endif
#ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++)
ecdh_doit[i] = 1;
#endif
}
for (i = 0; i < ALGOR_NUM; i++)
if (doit[i])
pr_header++;
if (usertime == 0 && !mr)
BIO_printf(bio_err,
"You have chosen to measure elapsed time "
"instead of user CPU time.\n");
#ifndef OPENSSL_NO_RSA
for (i = 0; i < RSA_NUM; i++) {
const unsigned char *p;
p = rsa_data[i];
rsa_key[i] = d2i_RSAPrivateKey(NULL, &p, rsa_data_length[i]);
if (rsa_key[i] == NULL) {
BIO_printf(bio_err, "internal error loading RSA key number %d\n",
i);
goto end;
}
# if 0
else {
BIO_printf(bio_err,
mr ? "+RK:%d:"
: "Loaded RSA key, %d bit modulus and e= 0x",
BN_num_bits(rsa_key[i]->n));
BN_print(bio_err, rsa_key[i]->e);
BIO_printf(bio_err, "\n");
}
# endif
}
#endif
#ifndef OPENSSL_NO_DSA
dsa_key[0] = get_dsa512();
dsa_key[1] = get_dsa1024();
dsa_key[2] = get_dsa2048();
#endif
#ifndef OPENSSL_NO_DES
DES_set_key_unchecked(&key, &sch);
DES_set_key_unchecked(&key2, &sch2);
DES_set_key_unchecked(&key3, &sch3);
#endif
#ifndef OPENSSL_NO_AES
AES_set_encrypt_key(key16, 128, &aes_ks1);
AES_set_encrypt_key(key24, 192, &aes_ks2);
AES_set_encrypt_key(key32, 256, &aes_ks3);
#endif
#ifndef OPENSSL_NO_CAMELLIA
Camellia_set_key(key16, 128, &camellia_ks1);
Camellia_set_key(ckey24, 192, &camellia_ks2);
Camellia_set_key(ckey32, 256, &camellia_ks3);
#endif
#ifndef OPENSSL_NO_IDEA
idea_set_encrypt_key(key16, &idea_ks);
#endif
#ifndef OPENSSL_NO_SEED
SEED_set_key(key16, &seed_ks);
#endif
#ifndef OPENSSL_NO_RC4
RC4_set_key(&rc4_ks, 16, key16);
#endif
#ifndef OPENSSL_NO_RC2
RC2_set_key(&rc2_ks, 16, key16, 128);
#endif
#ifndef OPENSSL_NO_RC5
RC5_32_set_key(&rc5_ks, 16, key16, 12);
#endif
#ifndef OPENSSL_NO_BF
BF_set_key(&bf_ks, 16, key16);
#endif
#ifndef OPENSSL_NO_CAST
CAST_set_key(&cast_ks, 16, key16);
#endif
#ifndef OPENSSL_NO_RSA
memset(rsa_c, 0, sizeof(rsa_c));
#endif
#ifndef SIGALRM
# ifndef OPENSSL_NO_DES
BIO_printf(bio_err, "First we calculate the approximate speed ...\n");
count = 10;
do {
long it;
count *= 2;
Time_F(START);
for (it = count; it; it--)
DES_ecb_encrypt((DES_cblock *)buf,
(DES_cblock *)buf, &sch, DES_ENCRYPT);
d = Time_F(STOP);
} while (d < 3);
save_count = count;
c[D_MD2][0] = count / 10;
c[D_MDC2][0] = count / 10;
c[D_MD4][0] = count;
c[D_MD5][0] = count;
c[D_HMAC][0] = count;
c[D_SHA1][0] = count;
c[D_RMD160][0] = count;
c[D_RC4][0] = count * 5;
c[D_CBC_DES][0] = count;
c[D_EDE3_DES][0] = count / 3;
c[D_CBC_IDEA][0] = count;
c[D_CBC_SEED][0] = count;
c[D_CBC_RC2][0] = count;
c[D_CBC_RC5][0] = count;
c[D_CBC_BF][0] = count;
c[D_CBC_CAST][0] = count;
c[D_CBC_128_AES][0] = count;
c[D_CBC_192_AES][0] = count;
c[D_CBC_256_AES][0] = count;
c[D_CBC_128_CML][0] = count;
c[D_CBC_192_CML][0] = count;
c[D_CBC_256_CML][0] = count;
c[D_SHA256][0] = count;
c[D_SHA512][0] = count;
c[D_WHIRLPOOL][0] = count;
c[D_IGE_128_AES][0] = count;
c[D_IGE_192_AES][0] = count;
c[D_IGE_256_AES][0] = count;
c[D_GHASH][0] = count;
for (i = 1; i < SIZE_NUM; i++) {
long l0, l1;
l0 = (long)lengths[0];
l1 = (long)lengths[i];
c[D_MD2][i] = c[D_MD2][0] * 4 * l0 / l1;
c[D_MDC2][i] = c[D_MDC2][0] * 4 * l0 / l1;
c[D_MD4][i] = c[D_MD4][0] * 4 * l0 / l1;
c[D_MD5][i] = c[D_MD5][0] * 4 * l0 / l1;
c[D_HMAC][i] = c[D_HMAC][0] * 4 * l0 / l1;
c[D_SHA1][i] = c[D_SHA1][0] * 4 * l0 / l1;
c[D_RMD160][i] = c[D_RMD160][0] * 4 * l0 / l1;
c[D_SHA256][i] = c[D_SHA256][0] * 4 * l0 / l1;
c[D_SHA512][i] = c[D_SHA512][0] * 4 * l0 / l1;
c[D_WHIRLPOOL][i] = c[D_WHIRLPOOL][0] * 4 * l0 / l1;
l0 = (long)lengths[i - 1];
c[D_RC4][i] = c[D_RC4][i - 1] * l0 / l1;
c[D_CBC_DES][i] = c[D_CBC_DES][i - 1] * l0 / l1;
c[D_EDE3_DES][i] = c[D_EDE3_DES][i - 1] * l0 / l1;
c[D_CBC_IDEA][i] = c[D_CBC_IDEA][i - 1] * l0 / l1;
c[D_CBC_SEED][i] = c[D_CBC_SEED][i - 1] * l0 / l1;
c[D_CBC_RC2][i] = c[D_CBC_RC2][i - 1] * l0 / l1;
c[D_CBC_RC5][i] = c[D_CBC_RC5][i - 1] * l0 / l1;
c[D_CBC_BF][i] = c[D_CBC_BF][i - 1] * l0 / l1;
c[D_CBC_CAST][i] = c[D_CBC_CAST][i - 1] * l0 / l1;
c[D_CBC_128_AES][i] = c[D_CBC_128_AES][i - 1] * l0 / l1;
c[D_CBC_192_AES][i] = c[D_CBC_192_AES][i - 1] * l0 / l1;
c[D_CBC_256_AES][i] = c[D_CBC_256_AES][i - 1] * l0 / l1;
c[D_CBC_128_CML][i] = c[D_CBC_128_CML][i - 1] * l0 / l1;
c[D_CBC_192_CML][i] = c[D_CBC_192_CML][i - 1] * l0 / l1;
c[D_CBC_256_CML][i] = c[D_CBC_256_CML][i - 1] * l0 / l1;
c[D_IGE_128_AES][i] = c[D_IGE_128_AES][i - 1] * l0 / l1;
c[D_IGE_192_AES][i] = c[D_IGE_192_AES][i - 1] * l0 / l1;
c[D_IGE_256_AES][i] = c[D_IGE_256_AES][i - 1] * l0 / l1;
}
# ifndef OPENSSL_NO_RSA
rsa_c[R_RSA_512][0] = count / 2000;
rsa_c[R_RSA_512][1] = count / 400;
for (i = 1; i < RSA_NUM; i++) {
rsa_c[i][0] = rsa_c[i - 1][0] / 8;
rsa_c[i][1] = rsa_c[i - 1][1] / 4;
if ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))
rsa_doit[i] = 0;
else {
if (rsa_c[i][0] == 0) {
rsa_c[i][0] = 1;
rsa_c[i][1] = 20;
}
}
}
# endif
# ifndef OPENSSL_NO_DSA
dsa_c[R_DSA_512][0] = count / 1000;
dsa_c[R_DSA_512][1] = count / 1000 / 2;
for (i = 1; i < DSA_NUM; i++) {
dsa_c[i][0] = dsa_c[i - 1][0] / 4;
dsa_c[i][1] = dsa_c[i - 1][1] / 4;
if ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))
dsa_doit[i] = 0;
else {
if (dsa_c[i] == 0) {
dsa_c[i][0] = 1;
dsa_c[i][1] = 1;
}
}
}
# endif
# ifndef OPENSSL_NO_ECDSA
ecdsa_c[R_EC_P160][0] = count / 1000;
ecdsa_c[R_EC_P160][1] = count / 1000 / 2;
for (i = R_EC_P192; i <= R_EC_P521; i++) {
ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;
ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;
if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))
ecdsa_doit[i] = 0;
else {
if (ecdsa_c[i] == 0) {
ecdsa_c[i][0] = 1;
ecdsa_c[i][1] = 1;
}
}
}
ecdsa_c[R_EC_K163][0] = count / 1000;
ecdsa_c[R_EC_K163][1] = count / 1000 / 2;
for (i = R_EC_K233; i <= R_EC_K571; i++) {
ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;
ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;
if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))
ecdsa_doit[i] = 0;
else {
if (ecdsa_c[i] == 0) {
ecdsa_c[i][0] = 1;
ecdsa_c[i][1] = 1;
}
}
}
ecdsa_c[R_EC_B163][0] = count / 1000;
ecdsa_c[R_EC_B163][1] = count / 1000 / 2;
for (i = R_EC_B233; i <= R_EC_B571; i++) {
ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;
ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;
if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))
ecdsa_doit[i] = 0;
else {
if (ecdsa_c[i] == 0) {
ecdsa_c[i][0] = 1;
ecdsa_c[i][1] = 1;
}
}
}
# endif
# ifndef OPENSSL_NO_ECDH
ecdh_c[R_EC_P160][0] = count / 1000;
ecdh_c[R_EC_P160][1] = count / 1000;
for (i = R_EC_P192; i <= R_EC_P521; i++) {
ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;
ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;
if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))
ecdh_doit[i] = 0;
else {
if (ecdh_c[i] == 0) {
ecdh_c[i][0] = 1;
ecdh_c[i][1] = 1;
}
}
}
ecdh_c[R_EC_K163][0] = count / 1000;
ecdh_c[R_EC_K163][1] = count / 1000;
for (i = R_EC_K233; i <= R_EC_K571; i++) {
ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;
ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;
if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))
ecdh_doit[i] = 0;
else {
if (ecdh_c[i] == 0) {
ecdh_c[i][0] = 1;
ecdh_c[i][1] = 1;
}
}
}
ecdh_c[R_EC_B163][0] = count / 1000;
ecdh_c[R_EC_B163][1] = count / 1000;
for (i = R_EC_B233; i <= R_EC_B571; i++) {
ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;
ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;
if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))
ecdh_doit[i] = 0;
else {
if (ecdh_c[i] == 0) {
ecdh_c[i][0] = 1;
ecdh_c[i][1] = 1;
}
}
}
# endif
# define COND(d) (count < (d))
# define COUNT(d) (d)
# else
# error "You cannot disable DES on systems without SIGALRM."
# endif
#else
# define COND(c) (run && count<0x7fffffff)
# define COUNT(d) (count)
# ifndef _WIN32
signal(SIGALRM, sig_done);
# endif
#endif
#ifndef OPENSSL_NO_MD2
if (doit[D_MD2]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MD2], c[D_MD2][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MD2][j]); count++)
EVP_Digest(buf, (unsigned long)lengths[j], &(md2[0]), NULL,
EVP_md2(), NULL);
d = Time_F(STOP);
print_result(D_MD2, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_MDC2
if (doit[D_MDC2]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MDC2], c[D_MDC2][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MDC2][j]); count++)
EVP_Digest(buf, (unsigned long)lengths[j], &(mdc2[0]), NULL,
EVP_mdc2(), NULL);
d = Time_F(STOP);
print_result(D_MDC2, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_MD4
if (doit[D_MD4]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MD4], c[D_MD4][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MD4][j]); count++)
EVP_Digest(&(buf[0]), (unsigned long)lengths[j], &(md4[0]),
NULL, EVP_md4(), NULL);
d = Time_F(STOP);
print_result(D_MD4, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_MD5
if (doit[D_MD5]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MD5], c[D_MD5][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MD5][j]); count++)
MD5(buf, lengths[j], md5);
d = Time_F(STOP);
print_result(D_MD5, j, count, d);
}
}
#endif
#if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_HMAC)
if (doit[D_HMAC]) {
HMAC_CTX hctx;
HMAC_CTX_init(&hctx);
HMAC_Init_ex(&hctx, (unsigned char *)"This is a key...",
16, EVP_md5(), NULL);
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_HMAC], c[D_HMAC][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_HMAC][j]); count++) {
HMAC_Init_ex(&hctx, NULL, 0, NULL, NULL);
HMAC_Update(&hctx, buf, lengths[j]);
HMAC_Final(&hctx, &(hmac[0]), NULL);
}
d = Time_F(STOP);
print_result(D_HMAC, j, count, d);
}
HMAC_CTX_cleanup(&hctx);
}
#endif
#ifndef OPENSSL_NO_SHA
if (doit[D_SHA1]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_SHA1], c[D_SHA1][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_SHA1][j]); count++)
# if 0
EVP_Digest(buf, (unsigned long)lengths[j], &(sha[0]), NULL,
EVP_sha1(), NULL);
# else
SHA1(buf, lengths[j], sha);
# endif
d = Time_F(STOP);
print_result(D_SHA1, j, count, d);
}
}
# ifndef OPENSSL_NO_SHA256
if (doit[D_SHA256]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_SHA256], c[D_SHA256][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_SHA256][j]); count++)
SHA256(buf, lengths[j], sha256);
d = Time_F(STOP);
print_result(D_SHA256, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_SHA512
if (doit[D_SHA512]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_SHA512], c[D_SHA512][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_SHA512][j]); count++)
SHA512(buf, lengths[j], sha512);
d = Time_F(STOP);
print_result(D_SHA512, j, count, d);
}
}
# endif
#endif
#ifndef OPENSSL_NO_WHIRLPOOL
if (doit[D_WHIRLPOOL]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_WHIRLPOOL], c[D_WHIRLPOOL][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_WHIRLPOOL][j]); count++)
WHIRLPOOL(buf, lengths[j], whirlpool);
d = Time_F(STOP);
print_result(D_WHIRLPOOL, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_RMD160
if (doit[D_RMD160]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_RMD160], c[D_RMD160][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_RMD160][j]); count++)
EVP_Digest(buf, (unsigned long)lengths[j], &(rmd160[0]), NULL,
EVP_ripemd160(), NULL);
d = Time_F(STOP);
print_result(D_RMD160, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_RC4
if (doit[D_RC4]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_RC4], c[D_RC4][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_RC4][j]); count++)
RC4(&rc4_ks, (unsigned int)lengths[j], buf, buf);
d = Time_F(STOP);
print_result(D_RC4, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_DES
if (doit[D_CBC_DES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_DES], c[D_CBC_DES][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_DES][j]); count++)
DES_ncbc_encrypt(buf, buf, lengths[j], &sch,
&DES_iv, DES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_DES, j, count, d);
}
}
if (doit[D_EDE3_DES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_EDE3_DES], c[D_EDE3_DES][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_EDE3_DES][j]); count++)
DES_ede3_cbc_encrypt(buf, buf, lengths[j],
&sch, &sch2, &sch3,
&DES_iv, DES_ENCRYPT);
d = Time_F(STOP);
print_result(D_EDE3_DES, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_AES
if (doit[D_CBC_128_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_128_AES], c[D_CBC_128_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_128_AES][j]); count++)
AES_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &aes_ks1,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_128_AES, j, count, d);
}
}
if (doit[D_CBC_192_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_192_AES], c[D_CBC_192_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_192_AES][j]); count++)
AES_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &aes_ks2,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_192_AES, j, count, d);
}
}
if (doit[D_CBC_256_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_256_AES], c[D_CBC_256_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_256_AES][j]); count++)
AES_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &aes_ks3,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_256_AES, j, count, d);
}
}
if (doit[D_IGE_128_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_IGE_128_AES], c[D_IGE_128_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_IGE_128_AES][j]); count++)
AES_ige_encrypt(buf, buf2,
(unsigned long)lengths[j], &aes_ks1,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_IGE_128_AES, j, count, d);
}
}
if (doit[D_IGE_192_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_IGE_192_AES], c[D_IGE_192_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_IGE_192_AES][j]); count++)
AES_ige_encrypt(buf, buf2,
(unsigned long)lengths[j], &aes_ks2,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_IGE_192_AES, j, count, d);
}
}
if (doit[D_IGE_256_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_IGE_256_AES], c[D_IGE_256_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_IGE_256_AES][j]); count++)
AES_ige_encrypt(buf, buf2,
(unsigned long)lengths[j], &aes_ks3,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_IGE_256_AES, j, count, d);
}
}
if (doit[D_GHASH]) {
GCM128_CONTEXT *ctx =
CRYPTO_gcm128_new(&aes_ks1, (block128_f) AES_encrypt);
CRYPTO_gcm128_setiv(ctx, (unsigned char *)"0123456789ab", 12);
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_GHASH], c[D_GHASH][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_GHASH][j]); count++)
CRYPTO_gcm128_aad(ctx, buf, lengths[j]);
d = Time_F(STOP);
print_result(D_GHASH, j, count, d);
}
CRYPTO_gcm128_release(ctx);
}
#endif
#ifndef OPENSSL_NO_CAMELLIA
if (doit[D_CBC_128_CML]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_128_CML], c[D_CBC_128_CML][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_128_CML][j]); count++)
Camellia_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &camellia_ks1,
iv, CAMELLIA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_128_CML, j, count, d);
}
}
if (doit[D_CBC_192_CML]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_192_CML], c[D_CBC_192_CML][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_192_CML][j]); count++)
Camellia_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &camellia_ks2,
iv, CAMELLIA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_192_CML, j, count, d);
}
}
if (doit[D_CBC_256_CML]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_256_CML], c[D_CBC_256_CML][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_256_CML][j]); count++)
Camellia_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &camellia_ks3,
iv, CAMELLIA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_256_CML, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_IDEA
if (doit[D_CBC_IDEA]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_IDEA], c[D_CBC_IDEA][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_IDEA][j]); count++)
idea_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &idea_ks,
iv, IDEA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_IDEA, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_SEED
if (doit[D_CBC_SEED]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_SEED], c[D_CBC_SEED][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_SEED][j]); count++)
SEED_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &seed_ks, iv, 1);
d = Time_F(STOP);
print_result(D_CBC_SEED, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_RC2
if (doit[D_CBC_RC2]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_RC2], c[D_CBC_RC2][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_RC2][j]); count++)
RC2_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &rc2_ks,
iv, RC2_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_RC2, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_RC5
if (doit[D_CBC_RC5]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_RC5], c[D_CBC_RC5][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_RC5][j]); count++)
RC5_32_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &rc5_ks,
iv, RC5_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_RC5, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_BF
if (doit[D_CBC_BF]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_BF], c[D_CBC_BF][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_BF][j]); count++)
BF_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &bf_ks,
iv, BF_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_BF, j, count, d);
}
}
#endif
#ifndef OPENSSL_NO_CAST
if (doit[D_CBC_CAST]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_CAST], c[D_CBC_CAST][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_CAST][j]); count++)
CAST_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &cast_ks,
iv, CAST_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_CAST, j, count, d);
}
}
#endif
if (doit[D_EVP]) {
#ifdef EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
if (multiblock && evp_cipher) {
if (!
(EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {
fprintf(stderr, "%s is not multi-block capable\n",
OBJ_nid2ln(evp_cipher->nid));
goto end;
}
multiblock_speed(evp_cipher);
mret = 0;
goto end;
}
#endif
for (j = 0; j < SIZE_NUM; j++) {
if (evp_cipher) {
EVP_CIPHER_CTX ctx;
int outl;
names[D_EVP] = OBJ_nid2ln(evp_cipher->nid);
print_message(names[D_EVP], save_count, lengths[j]);
EVP_CIPHER_CTX_init(&ctx);
if (decrypt)
EVP_DecryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);
else
EVP_EncryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);
EVP_CIPHER_CTX_set_padding(&ctx, 0);
Time_F(START);
if (decrypt)
for (count = 0, run = 1;
COND(save_count * 4 * lengths[0] / lengths[j]);
count++)
EVP_DecryptUpdate(&ctx, buf, &outl, buf, lengths[j]);
else
for (count = 0, run = 1;
COND(save_count * 4 * lengths[0] / lengths[j]);
count++)
EVP_EncryptUpdate(&ctx, buf, &outl, buf, lengths[j]);
if (decrypt)
EVP_DecryptFinal_ex(&ctx, buf, &outl);
else
EVP_EncryptFinal_ex(&ctx, buf, &outl);
d = Time_F(STOP);
EVP_CIPHER_CTX_cleanup(&ctx);
}
if (evp_md) {
names[D_EVP] = OBJ_nid2ln(evp_md->type);
print_message(names[D_EVP], save_count, lengths[j]);
Time_F(START);
for (count = 0, run = 1;
COND(save_count * 4 * lengths[0] / lengths[j]); count++)
EVP_Digest(buf, lengths[j], &(md[0]), NULL, evp_md, NULL);
d = Time_F(STOP);
}
print_result(D_EVP, j, count, d);
}
}
#ifndef OPENSSL_SYS_WIN32
#endif
RAND_pseudo_bytes(buf, 36);
#ifndef OPENSSL_NO_RSA
for (j = 0; j < RSA_NUM; j++) {
int ret;
if (!rsa_doit[j])
continue;
ret = RSA_sign(NID_md5_sha1, buf, 36, buf2, &rsa_num, rsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err,
"RSA sign failure. No RSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
pkey_print_message("private", "rsa",
rsa_c[j][0], rsa_bits[j], RSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(rsa_c[j][0]); count++) {
ret = RSA_sign(NID_md5_sha1, buf, 36, buf2,
&rsa_num, rsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err, "RSA sign failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R1:%ld:%d:%.2f\n"
: "%ld %d bit private RSA's in %.2fs\n",
count, rsa_bits[j], d);
rsa_results[j][0] = d / (double)count;
rsa_count = count;
}
# if 1
ret = RSA_verify(NID_md5_sha1, buf, 36, buf2, rsa_num, rsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err,
"RSA verify failure. No RSA verify will be done.\n");
ERR_print_errors(bio_err);
rsa_doit[j] = 0;
} else {
pkey_print_message("public", "rsa",
rsa_c[j][1], rsa_bits[j], RSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(rsa_c[j][1]); count++) {
ret = RSA_verify(NID_md5_sha1, buf, 36, buf2,
rsa_num, rsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err, "RSA verify failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R2:%ld:%d:%.2f\n"
: "%ld %d bit public RSA's in %.2fs\n",
count, rsa_bits[j], d);
rsa_results[j][1] = d / (double)count;
}
# endif
if (rsa_count <= 1) {
for (j++; j < RSA_NUM; j++)
rsa_doit[j] = 0;
}
}
#endif
RAND_pseudo_bytes(buf, 20);
#ifndef OPENSSL_NO_DSA
if (RAND_status() != 1) {
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j = 0; j < DSA_NUM; j++) {
unsigned int kk;
int ret;
if (!dsa_doit[j])
continue;
ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err,
"DSA sign failure. No DSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
pkey_print_message("sign", "dsa",
dsa_c[j][0], dsa_bits[j], DSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(dsa_c[j][0]); count++) {
ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err, "DSA sign failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R3:%ld:%d:%.2f\n"
: "%ld %d bit DSA signs in %.2fs\n",
count, dsa_bits[j], d);
dsa_results[j][0] = d / (double)count;
rsa_count = count;
}
ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err,
"DSA verify failure. No DSA verify will be done.\n");
ERR_print_errors(bio_err);
dsa_doit[j] = 0;
} else {
pkey_print_message("verify", "dsa",
dsa_c[j][1], dsa_bits[j], DSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(dsa_c[j][1]); count++) {
ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err, "DSA verify failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R4:%ld:%d:%.2f\n"
: "%ld %d bit DSA verify in %.2fs\n",
count, dsa_bits[j], d);
dsa_results[j][1] = d / (double)count;
}
if (rsa_count <= 1) {
for (j++; j < DSA_NUM; j++)
dsa_doit[j] = 0;
}
}
if (rnd_fake)
RAND_cleanup();
#endif
#ifndef OPENSSL_NO_ECDSA
if (RAND_status() != 1) {
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j = 0; j < EC_NUM; j++) {
int ret;
if (!ecdsa_doit[j])
continue;
ecdsa[j] = EC_KEY_new_by_curve_name(test_curves[j]);
if (ecdsa[j] == NULL) {
BIO_printf(bio_err, "ECDSA failure.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
# if 1
EC_KEY_precompute_mult(ecdsa[j], NULL);
# endif
EC_KEY_generate_key(ecdsa[j]);
ret = ECDSA_sign(0, buf, 20, ecdsasig, &ecdsasiglen, ecdsa[j]);
if (ret == 0) {
BIO_printf(bio_err,
"ECDSA sign failure. No ECDSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
pkey_print_message("sign", "ecdsa",
ecdsa_c[j][0],
test_curves_bits[j], ECDSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(ecdsa_c[j][0]); count++) {
ret = ECDSA_sign(0, buf, 20,
ecdsasig, &ecdsasiglen, ecdsa[j]);
if (ret == 0) {
BIO_printf(bio_err, "ECDSA sign failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R5:%ld:%d:%.2f\n" :
"%ld %d bit ECDSA signs in %.2fs \n",
count, test_curves_bits[j], d);
ecdsa_results[j][0] = d / (double)count;
rsa_count = count;
}
ret = ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen, ecdsa[j]);
if (ret != 1) {
BIO_printf(bio_err,
"ECDSA verify failure. No ECDSA verify will be done.\n");
ERR_print_errors(bio_err);
ecdsa_doit[j] = 0;
} else {
pkey_print_message("verify", "ecdsa",
ecdsa_c[j][1],
test_curves_bits[j], ECDSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(ecdsa_c[j][1]); count++) {
ret =
ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen,
ecdsa[j]);
if (ret != 1) {
BIO_printf(bio_err, "ECDSA verify failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R6:%ld:%d:%.2f\n"
: "%ld %d bit ECDSA verify in %.2fs\n",
count, test_curves_bits[j], d);
ecdsa_results[j][1] = d / (double)count;
}
if (rsa_count <= 1) {
for (j++; j < EC_NUM; j++)
ecdsa_doit[j] = 0;
}
}
}
if (rnd_fake)
RAND_cleanup();
#endif
#ifndef OPENSSL_NO_ECDH
if (RAND_status() != 1) {
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j = 0; j < EC_NUM; j++) {
if (!ecdh_doit[j])
continue;
ecdh_a[j] = EC_KEY_new_by_curve_name(test_curves[j]);
ecdh_b[j] = EC_KEY_new_by_curve_name(test_curves[j]);
if ((ecdh_a[j] == NULL) || (ecdh_b[j] == NULL)) {
BIO_printf(bio_err, "ECDH failure.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
if (!EC_KEY_generate_key(ecdh_a[j]) ||
!EC_KEY_generate_key(ecdh_b[j])) {
BIO_printf(bio_err, "ECDH key generation failure.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
int field_size, outlen;
void *(*kdf) (const void *in, size_t inlen, void *out,
size_t *xoutlen);
field_size =
EC_GROUP_get_degree(EC_KEY_get0_group(ecdh_a[j]));
if (field_size <= 24 * 8) {
outlen = KDF1_SHA1_len;
kdf = KDF1_SHA1;
} else {
outlen = (field_size + 7) / 8;
kdf = NULL;
}
secret_size_a =
ECDH_compute_key(secret_a, outlen,
EC_KEY_get0_public_key(ecdh_b[j]),
ecdh_a[j], kdf);
secret_size_b =
ECDH_compute_key(secret_b, outlen,
EC_KEY_get0_public_key(ecdh_a[j]),
ecdh_b[j], kdf);
if (secret_size_a != secret_size_b)
ecdh_checks = 0;
else
ecdh_checks = 1;
for (secret_idx = 0; (secret_idx < secret_size_a)
&& (ecdh_checks == 1); secret_idx++) {
if (secret_a[secret_idx] != secret_b[secret_idx])
ecdh_checks = 0;
}
if (ecdh_checks == 0) {
BIO_printf(bio_err, "ECDH computations don't match.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
}
pkey_print_message("", "ecdh",
ecdh_c[j][0],
test_curves_bits[j], ECDH_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(ecdh_c[j][0]); count++) {
ECDH_compute_key(secret_a, outlen,
EC_KEY_get0_public_key(ecdh_b[j]),
ecdh_a[j], kdf);
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R7:%ld:%d:%.2f\n" :
"%ld %d-bit ECDH ops in %.2fs\n", count,
test_curves_bits[j], d);
ecdh_results[j][0] = d / (double)count;
rsa_count = count;
}
}
if (rsa_count <= 1) {
for (j++; j < EC_NUM; j++)
ecdh_doit[j] = 0;
}
}
if (rnd_fake)
RAND_cleanup();
#endif
#ifndef NO_FORK
show_res:
#endif
if (!mr) {
fprintf(stdout, "%s\n", SSLeay_version(SSLEAY_VERSION));
fprintf(stdout, "%s\n", SSLeay_version(SSLEAY_BUILT_ON));
printf("options:");
printf("%s ", BN_options());
#ifndef OPENSSL_NO_MD2
printf("%s ", MD2_options());
#endif
#ifndef OPENSSL_NO_RC4
printf("%s ", RC4_options());
#endif
#ifndef OPENSSL_NO_DES
printf("%s ", DES_options());
#endif
#ifndef OPENSSL_NO_AES
printf("%s ", AES_options());
#endif
#ifndef OPENSSL_NO_IDEA
printf("%s ", idea_options());
#endif
#ifndef OPENSSL_NO_BF
printf("%s ", BF_options());
#endif
fprintf(stdout, "\n%s\n", SSLeay_version(SSLEAY_CFLAGS));
}
if (pr_header) {
if (mr)
fprintf(stdout, "+H");
else {
fprintf(stdout,
"The 'numbers' are in 1000s of bytes per second processed.\n");
fprintf(stdout, "type ");
}
for (j = 0; j < SIZE_NUM; j++)
fprintf(stdout, mr ? ":%d" : "%7d bytes", lengths[j]);
fprintf(stdout, "\n");
}
for (k = 0; k < ALGOR_NUM; k++) {
if (!doit[k])
continue;
if (mr)
fprintf(stdout, "+F:%d:%s", k, names[k]);
else
fprintf(stdout, "%-13s", names[k]);
for (j = 0; j < SIZE_NUM; j++) {
if (results[k][j] > 10000 && !mr)
fprintf(stdout, " %11.2fk", results[k][j] / 1e3);
else
fprintf(stdout, mr ? ":%.2f" : " %11.2f ", results[k][j]);
}
fprintf(stdout, "\n");
}
#ifndef OPENSSL_NO_RSA
j = 1;
for (k = 0; k < RSA_NUM; k++) {
if (!rsa_doit[k])
continue;
if (j && !mr) {
printf("%18ssign verify sign/s verify/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F2:%u:%u:%f:%f\n",
k, rsa_bits[k], rsa_results[k][0], rsa_results[k][1]);
else
fprintf(stdout, "rsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\n",
rsa_bits[k], rsa_results[k][0], rsa_results[k][1],
1.0 / rsa_results[k][0], 1.0 / rsa_results[k][1]);
}
#endif
#ifndef OPENSSL_NO_DSA
j = 1;
for (k = 0; k < DSA_NUM; k++) {
if (!dsa_doit[k])
continue;
if (j && !mr) {
printf("%18ssign verify sign/s verify/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F3:%u:%u:%f:%f\n",
k, dsa_bits[k], dsa_results[k][0], dsa_results[k][1]);
else
fprintf(stdout, "dsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\n",
dsa_bits[k], dsa_results[k][0], dsa_results[k][1],
1.0 / dsa_results[k][0], 1.0 / dsa_results[k][1]);
}
#endif
#ifndef OPENSSL_NO_ECDSA
j = 1;
for (k = 0; k < EC_NUM; k++) {
if (!ecdsa_doit[k])
continue;
if (j && !mr) {
printf("%30ssign verify sign/s verify/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F4:%u:%u:%f:%f\n",
k, test_curves_bits[k],
ecdsa_results[k][0], ecdsa_results[k][1]);
else
fprintf(stdout,
"%4u bit ecdsa (%s) %8.4fs %8.4fs %8.1f %8.1f\n",
test_curves_bits[k],
test_curves_names[k],
ecdsa_results[k][0], ecdsa_results[k][1],
1.0 / ecdsa_results[k][0], 1.0 / ecdsa_results[k][1]);
}
#endif
#ifndef OPENSSL_NO_ECDH
j = 1;
for (k = 0; k < EC_NUM; k++) {
if (!ecdh_doit[k])
continue;
if (j && !mr) {
printf("%30sop op/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F5:%u:%u:%f:%f\n",
k, test_curves_bits[k],
ecdh_results[k][0], 1.0 / ecdh_results[k][0]);
else
fprintf(stdout, "%4u bit ecdh (%s) %8.4fs %8.1f\n",
test_curves_bits[k],
test_curves_names[k],
ecdh_results[k][0], 1.0 / ecdh_results[k][0]);
}
#endif
mret = 0;
end:
ERR_print_errors(bio_err);
if (buf_malloc != NULL)
OPENSSL_free(buf_malloc);
if (buf2_malloc != NULL)
OPENSSL_free(buf2_malloc);
#ifndef OPENSSL_NO_RSA
for (i = 0; i < RSA_NUM; i++)
if (rsa_key[i] != NULL)
RSA_free(rsa_key[i]);
#endif
#ifndef OPENSSL_NO_DSA
for (i = 0; i < DSA_NUM; i++)
if (dsa_key[i] != NULL)
DSA_free(dsa_key[i]);
#endif
#ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
if (ecdsa[i] != NULL)
EC_KEY_free(ecdsa[i]);
#endif
#ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++) {
if (ecdh_a[i] != NULL)
EC_KEY_free(ecdh_a[i]);
if (ecdh_b[i] != NULL)
EC_KEY_free(ecdh_b[i]);
}
#endif
apps_shutdown();
OPENSSL_EXIT(mret);
} | ['int MAIN(int argc, char **argv)\n{\n unsigned char *buf_malloc = NULL, *buf2_malloc = NULL;\n unsigned char *buf = NULL, *buf2 = NULL;\n int mret = 1;\n long count = 0, save_count = 0;\n int i, j, k;\n#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)\n long rsa_count;\n#endif\n#ifndef OPENSSL_NO_RSA\n unsigned rsa_num;\n#endif\n unsigned char md[EVP_MAX_MD_SIZE];\n#ifndef OPENSSL_NO_MD2\n unsigned char md2[MD2_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_MDC2\n unsigned char mdc2[MDC2_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_MD4\n unsigned char md4[MD4_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_MD5\n unsigned char md5[MD5_DIGEST_LENGTH];\n unsigned char hmac[MD5_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_SHA\n unsigned char sha[SHA_DIGEST_LENGTH];\n# ifndef OPENSSL_NO_SHA256\n unsigned char sha256[SHA256_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_SHA512\n unsigned char sha512[SHA512_DIGEST_LENGTH];\n# endif\n#endif\n#ifndef OPENSSL_NO_WHIRLPOOL\n unsigned char whirlpool[WHIRLPOOL_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_RMD160\n unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_RC4\n RC4_KEY rc4_ks;\n#endif\n#ifndef OPENSSL_NO_RC5\n RC5_32_KEY rc5_ks;\n#endif\n#ifndef OPENSSL_NO_RC2\n RC2_KEY rc2_ks;\n#endif\n#ifndef OPENSSL_NO_IDEA\n IDEA_KEY_SCHEDULE idea_ks;\n#endif\n#ifndef OPENSSL_NO_SEED\n SEED_KEY_SCHEDULE seed_ks;\n#endif\n#ifndef OPENSSL_NO_BF\n BF_KEY bf_ks;\n#endif\n#ifndef OPENSSL_NO_CAST\n CAST_KEY cast_ks;\n#endif\n static const unsigned char key16[16] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12\n };\n#ifndef OPENSSL_NO_AES\n static const unsigned char key24[24] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34\n };\n static const unsigned char key32[32] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,\n 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56\n };\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n static const unsigned char ckey24[24] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34\n };\n static const unsigned char ckey32[32] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,\n 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56\n };\n#endif\n#ifndef OPENSSL_NO_AES\n# define MAX_BLOCK_SIZE 128\n#else\n# define MAX_BLOCK_SIZE 64\n#endif\n unsigned char DES_iv[8];\n unsigned char iv[2 * MAX_BLOCK_SIZE / 8];\n#ifndef OPENSSL_NO_DES\n static DES_cblock key =\n { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };\n static DES_cblock key2 =\n { 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12 };\n static DES_cblock key3 =\n { 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34 };\n DES_key_schedule sch;\n DES_key_schedule sch2;\n DES_key_schedule sch3;\n#endif\n#ifndef OPENSSL_NO_AES\n AES_KEY aes_ks1, aes_ks2, aes_ks3;\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n CAMELLIA_KEY camellia_ks1, camellia_ks2, camellia_ks3;\n#endif\n#define D_MD2 0\n#define D_MDC2 1\n#define D_MD4 2\n#define D_MD5 3\n#define D_HMAC 4\n#define D_SHA1 5\n#define D_RMD160 6\n#define D_RC4 7\n#define D_CBC_DES 8\n#define D_EDE3_DES 9\n#define D_CBC_IDEA 10\n#define D_CBC_SEED 11\n#define D_CBC_RC2 12\n#define D_CBC_RC5 13\n#define D_CBC_BF 14\n#define D_CBC_CAST 15\n#define D_CBC_128_AES 16\n#define D_CBC_192_AES 17\n#define D_CBC_256_AES 18\n#define D_CBC_128_CML 19\n#define D_CBC_192_CML 20\n#define D_CBC_256_CML 21\n#define D_EVP 22\n#define D_SHA256 23\n#define D_SHA512 24\n#define D_WHIRLPOOL 25\n#define D_IGE_128_AES 26\n#define D_IGE_192_AES 27\n#define D_IGE_256_AES 28\n#define D_GHASH 29\n double d = 0.0;\n long c[ALGOR_NUM][SIZE_NUM];\n#ifndef OPENSSL_SYS_WIN32\n#endif\n#define R_DSA_512 0\n#define R_DSA_1024 1\n#define R_DSA_2048 2\n#define R_RSA_512 0\n#define R_RSA_1024 1\n#define R_RSA_2048 2\n#define R_RSA_3072 3\n#define R_RSA_4096 4\n#define R_RSA_7680 5\n#define R_RSA_15360 6\n#define R_EC_P160 0\n#define R_EC_P192 1\n#define R_EC_P224 2\n#define R_EC_P256 3\n#define R_EC_P384 4\n#define R_EC_P521 5\n#define R_EC_K163 6\n#define R_EC_K233 7\n#define R_EC_K283 8\n#define R_EC_K409 9\n#define R_EC_K571 10\n#define R_EC_B163 11\n#define R_EC_B233 12\n#define R_EC_B283 13\n#define R_EC_B409 14\n#define R_EC_B571 15\n#ifndef OPENSSL_NO_RSA\n RSA *rsa_key[RSA_NUM];\n long rsa_c[RSA_NUM][2];\n static unsigned int rsa_bits[RSA_NUM] = {\n 512, 1024, 2048, 3072, 4096, 7680, 15360\n };\n static unsigned char *rsa_data[RSA_NUM] = {\n test512, test1024, test2048, test3072, test4096, test7680, test15360\n };\n static int rsa_data_length[RSA_NUM] = {\n sizeof(test512), sizeof(test1024),\n sizeof(test2048), sizeof(test3072),\n sizeof(test4096), sizeof(test7680),\n sizeof(test15360)\n };\n#endif\n#ifndef OPENSSL_NO_DSA\n DSA *dsa_key[DSA_NUM];\n long dsa_c[DSA_NUM][2];\n static unsigned int dsa_bits[DSA_NUM] = { 512, 1024, 2048 };\n#endif\n#ifndef OPENSSL_NO_EC\n static unsigned int test_curves[EC_NUM] = {\n NID_secp160r1,\n NID_X9_62_prime192v1,\n NID_secp224r1,\n NID_X9_62_prime256v1,\n NID_secp384r1,\n NID_secp521r1,\n NID_sect163k1,\n NID_sect233k1,\n NID_sect283k1,\n NID_sect409k1,\n NID_sect571k1,\n NID_sect163r2,\n NID_sect233r1,\n NID_sect283r1,\n NID_sect409r1,\n NID_sect571r1\n };\n static const char *test_curves_names[EC_NUM] = {\n "secp160r1",\n "nistp192",\n "nistp224",\n "nistp256",\n "nistp384",\n "nistp521",\n "nistk163",\n "nistk233",\n "nistk283",\n "nistk409",\n "nistk571",\n "nistb163",\n "nistb233",\n "nistb283",\n "nistb409",\n "nistb571"\n };\n static int test_curves_bits[EC_NUM] = {\n 160, 192, 224, 256, 384, 521,\n 163, 233, 283, 409, 571,\n 163, 233, 283, 409, 571\n };\n#endif\n#ifndef OPENSSL_NO_ECDSA\n unsigned char ecdsasig[256];\n unsigned int ecdsasiglen;\n EC_KEY *ecdsa[EC_NUM];\n long ecdsa_c[EC_NUM][2];\n#endif\n#ifndef OPENSSL_NO_ECDH\n EC_KEY *ecdh_a[EC_NUM], *ecdh_b[EC_NUM];\n unsigned char secret_a[MAX_ECDH_SIZE], secret_b[MAX_ECDH_SIZE];\n int secret_size_a, secret_size_b;\n int ecdh_checks = 0;\n int secret_idx = 0;\n long ecdh_c[EC_NUM][2];\n#endif\n int rsa_doit[RSA_NUM];\n int dsa_doit[DSA_NUM];\n#ifndef OPENSSL_NO_ECDSA\n int ecdsa_doit[EC_NUM];\n#endif\n#ifndef OPENSSL_NO_ECDH\n int ecdh_doit[EC_NUM];\n#endif\n int doit[ALGOR_NUM];\n int pr_header = 0;\n const EVP_CIPHER *evp_cipher = NULL;\n const EVP_MD *evp_md = NULL;\n int decrypt = 0;\n#ifndef NO_FORK\n int multi = 0;\n#endif\n int multiblock = 0;\n int misalign = MAX_MISALIGNMENT + 1;\n#ifndef TIMES\n usertime = -1;\n#endif\n apps_startup();\n memset(results, 0, sizeof(results));\n#ifndef OPENSSL_NO_DSA\n memset(dsa_key, 0, sizeof(dsa_key));\n#endif\n#ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n ecdsa[i] = NULL;\n#endif\n#ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++) {\n ecdh_a[i] = NULL;\n ecdh_b[i] = NULL;\n }\n#endif\n if (bio_err == NULL)\n if ((bio_err = BIO_new(BIO_s_file())) != NULL)\n BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);\n if (!load_config(bio_err, NULL))\n goto end;\n#ifndef OPENSSL_NO_RSA\n memset(rsa_key, 0, sizeof(rsa_key));\n for (i = 0; i < RSA_NUM; i++)\n rsa_key[i] = NULL;\n#endif\n if ((buf_malloc =\n (unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {\n BIO_printf(bio_err, "out of memory\\n");\n goto end;\n }\n if ((buf2_malloc =\n (unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {\n BIO_printf(bio_err, "out of memory\\n");\n goto end;\n }\n misalign = 0;\n buf = buf_malloc;\n buf2 = buf2_malloc;\n memset(c, 0, sizeof(c));\n memset(DES_iv, 0, sizeof(DES_iv));\n memset(iv, 0, sizeof(iv));\n for (i = 0; i < ALGOR_NUM; i++)\n doit[i] = 0;\n for (i = 0; i < RSA_NUM; i++)\n rsa_doit[i] = 0;\n for (i = 0; i < DSA_NUM; i++)\n dsa_doit[i] = 0;\n#ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n ecdsa_doit[i] = 0;\n#endif\n#ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++)\n ecdh_doit[i] = 0;\n#endif\n j = 0;\n argc--;\n argv++;\n while (argc) {\n if ((argc > 0) && (strcmp(*argv, "-elapsed") == 0)) {\n usertime = 0;\n j--;\n } else if ((argc > 0) && (strcmp(*argv, "-evp") == 0)) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no EVP given\\n");\n goto end;\n }\n evp_cipher = EVP_get_cipherbyname(*argv);\n if (!evp_cipher) {\n evp_md = EVP_get_digestbyname(*argv);\n }\n if (!evp_cipher && !evp_md) {\n BIO_printf(bio_err, "%s is an unknown cipher or digest\\n",\n *argv);\n goto end;\n }\n doit[D_EVP] = 1;\n } else if (argc > 0 && !strcmp(*argv, "-decrypt")) {\n decrypt = 1;\n j--;\n }\n#ifndef OPENSSL_NO_ENGINE\n else if ((argc > 0) && (strcmp(*argv, "-engine") == 0)) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no engine given\\n");\n goto end;\n }\n setup_engine(bio_err, *argv, 0);\n j--;\n }\n#endif\n#ifndef NO_FORK\n else if ((argc > 0) && (strcmp(*argv, "-multi") == 0)) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no multi count given\\n");\n goto end;\n }\n multi = atoi(argv[0]);\n if (multi <= 0) {\n BIO_printf(bio_err, "bad multi count\\n");\n goto end;\n }\n j--;\n }\n#endif\n else if (argc > 0 && !strcmp(*argv, "-mr")) {\n mr = 1;\n j--;\n } else if (argc > 0 && !strcmp(*argv, "-mb")) {\n multiblock = 1;\n j--;\n } else if (argc > 0 && !strcmp(*argv, "-misalign")) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no misalignment given\\n");\n goto end;\n }\n misalign = atoi(argv[0]);\n if (misalign < 0 || misalign > MAX_MISALIGNMENT) {\n BIO_printf(bio_err,\n "misalignment is outsize permitted range 0-%d\\n",\n MAX_MISALIGNMENT);\n goto end;\n }\n buf = buf_malloc + misalign;\n buf2 = buf2_malloc + misalign;\n j--;\n } else\n#ifndef OPENSSL_NO_MD2\n if (strcmp(*argv, "md2") == 0)\n doit[D_MD2] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_MDC2\n if (strcmp(*argv, "mdc2") == 0)\n doit[D_MDC2] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_MD4\n if (strcmp(*argv, "md4") == 0)\n doit[D_MD4] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_MD5\n if (strcmp(*argv, "md5") == 0)\n doit[D_MD5] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_MD5\n if (strcmp(*argv, "hmac") == 0)\n doit[D_HMAC] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_SHA\n if (strcmp(*argv, "sha1") == 0)\n doit[D_SHA1] = 1;\n else if (strcmp(*argv, "sha") == 0)\n doit[D_SHA1] = 1, doit[D_SHA256] = 1, doit[D_SHA512] = 1;\n else\n# ifndef OPENSSL_NO_SHA256\n if (strcmp(*argv, "sha256") == 0)\n doit[D_SHA256] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_SHA512\n if (strcmp(*argv, "sha512") == 0)\n doit[D_SHA512] = 1;\n else\n# endif\n#endif\n#ifndef OPENSSL_NO_WHIRLPOOL\n if (strcmp(*argv, "whirlpool") == 0)\n doit[D_WHIRLPOOL] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_RMD160\n if (strcmp(*argv, "ripemd") == 0)\n doit[D_RMD160] = 1;\n else if (strcmp(*argv, "rmd160") == 0)\n doit[D_RMD160] = 1;\n else if (strcmp(*argv, "ripemd160") == 0)\n doit[D_RMD160] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_RC4\n if (strcmp(*argv, "rc4") == 0)\n doit[D_RC4] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_DES\n if (strcmp(*argv, "des-cbc") == 0)\n doit[D_CBC_DES] = 1;\n else if (strcmp(*argv, "des-ede3") == 0)\n doit[D_EDE3_DES] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_AES\n if (strcmp(*argv, "aes-128-cbc") == 0)\n doit[D_CBC_128_AES] = 1;\n else if (strcmp(*argv, "aes-192-cbc") == 0)\n doit[D_CBC_192_AES] = 1;\n else if (strcmp(*argv, "aes-256-cbc") == 0)\n doit[D_CBC_256_AES] = 1;\n else if (strcmp(*argv, "aes-128-ige") == 0)\n doit[D_IGE_128_AES] = 1;\n else if (strcmp(*argv, "aes-192-ige") == 0)\n doit[D_IGE_192_AES] = 1;\n else if (strcmp(*argv, "aes-256-ige") == 0)\n doit[D_IGE_256_AES] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n if (strcmp(*argv, "camellia-128-cbc") == 0)\n doit[D_CBC_128_CML] = 1;\n else if (strcmp(*argv, "camellia-192-cbc") == 0)\n doit[D_CBC_192_CML] = 1;\n else if (strcmp(*argv, "camellia-256-cbc") == 0)\n doit[D_CBC_256_CML] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_RSA\n# if 0\n if (strcmp(*argv, "rsaref") == 0) {\n RSA_set_default_openssl_method(RSA_PKCS1_RSAref());\n j--;\n } else\n# endif\n# ifndef RSA_NULL\n if (strcmp(*argv, "openssl") == 0) {\n RSA_set_default_method(RSA_PKCS1_SSLeay());\n j--;\n } else\n# endif\n#endif\n if (strcmp(*argv, "dsa512") == 0)\n dsa_doit[R_DSA_512] = 2;\n else if (strcmp(*argv, "dsa1024") == 0)\n dsa_doit[R_DSA_1024] = 2;\n else if (strcmp(*argv, "dsa2048") == 0)\n dsa_doit[R_DSA_2048] = 2;\n else if (strcmp(*argv, "rsa512") == 0)\n rsa_doit[R_RSA_512] = 2;\n else if (strcmp(*argv, "rsa1024") == 0)\n rsa_doit[R_RSA_1024] = 2;\n else if (strcmp(*argv, "rsa2048") == 0)\n rsa_doit[R_RSA_2048] = 2;\n else if (strcmp(*argv, "rsa3072") == 0)\n rsa_doit[R_RSA_3072] = 2;\n else if (strcmp(*argv, "rsa4096") == 0)\n rsa_doit[R_RSA_4096] = 2;\n else if (strcmp(*argv, "rsa7680") == 0)\n rsa_doit[R_RSA_7680] = 2;\n else if (strcmp(*argv, "rsa15360") == 0)\n rsa_doit[R_RSA_15360] = 2;\n else\n#ifndef OPENSSL_NO_RC2\n if (strcmp(*argv, "rc2-cbc") == 0)\n doit[D_CBC_RC2] = 1;\n else if (strcmp(*argv, "rc2") == 0)\n doit[D_CBC_RC2] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_RC5\n if (strcmp(*argv, "rc5-cbc") == 0)\n doit[D_CBC_RC5] = 1;\n else if (strcmp(*argv, "rc5") == 0)\n doit[D_CBC_RC5] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_IDEA\n if (strcmp(*argv, "idea-cbc") == 0)\n doit[D_CBC_IDEA] = 1;\n else if (strcmp(*argv, "idea") == 0)\n doit[D_CBC_IDEA] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_SEED\n if (strcmp(*argv, "seed-cbc") == 0)\n doit[D_CBC_SEED] = 1;\n else if (strcmp(*argv, "seed") == 0)\n doit[D_CBC_SEED] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_BF\n if (strcmp(*argv, "bf-cbc") == 0)\n doit[D_CBC_BF] = 1;\n else if (strcmp(*argv, "blowfish") == 0)\n doit[D_CBC_BF] = 1;\n else if (strcmp(*argv, "bf") == 0)\n doit[D_CBC_BF] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_CAST\n if (strcmp(*argv, "cast-cbc") == 0)\n doit[D_CBC_CAST] = 1;\n else if (strcmp(*argv, "cast") == 0)\n doit[D_CBC_CAST] = 1;\n else if (strcmp(*argv, "cast5") == 0)\n doit[D_CBC_CAST] = 1;\n else\n#endif\n#ifndef OPENSSL_NO_DES\n if (strcmp(*argv, "des") == 0) {\n doit[D_CBC_DES] = 1;\n doit[D_EDE3_DES] = 1;\n } else\n#endif\n#ifndef OPENSSL_NO_AES\n if (strcmp(*argv, "aes") == 0) {\n doit[D_CBC_128_AES] = 1;\n doit[D_CBC_192_AES] = 1;\n doit[D_CBC_256_AES] = 1;\n } else if (strcmp(*argv, "ghash") == 0) {\n doit[D_GHASH] = 1;\n } else\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n if (strcmp(*argv, "camellia") == 0) {\n doit[D_CBC_128_CML] = 1;\n doit[D_CBC_192_CML] = 1;\n doit[D_CBC_256_CML] = 1;\n } else\n#endif\n#ifndef OPENSSL_NO_RSA\n if (strcmp(*argv, "rsa") == 0) {\n rsa_doit[R_RSA_512] = 1;\n rsa_doit[R_RSA_1024] = 1;\n rsa_doit[R_RSA_2048] = 1;\n rsa_doit[R_RSA_3072] = 1;\n rsa_doit[R_RSA_4096] = 1;\n rsa_doit[R_RSA_7680] = 1;\n rsa_doit[R_RSA_15360] = 1;\n } else\n#endif\n#ifndef OPENSSL_NO_DSA\n if (strcmp(*argv, "dsa") == 0) {\n dsa_doit[R_DSA_512] = 1;\n dsa_doit[R_DSA_1024] = 1;\n dsa_doit[R_DSA_2048] = 1;\n } else\n#endif\n#ifndef OPENSSL_NO_ECDSA\n if (strcmp(*argv, "ecdsap160") == 0)\n ecdsa_doit[R_EC_P160] = 2;\n else if (strcmp(*argv, "ecdsap192") == 0)\n ecdsa_doit[R_EC_P192] = 2;\n else if (strcmp(*argv, "ecdsap224") == 0)\n ecdsa_doit[R_EC_P224] = 2;\n else if (strcmp(*argv, "ecdsap256") == 0)\n ecdsa_doit[R_EC_P256] = 2;\n else if (strcmp(*argv, "ecdsap384") == 0)\n ecdsa_doit[R_EC_P384] = 2;\n else if (strcmp(*argv, "ecdsap521") == 0)\n ecdsa_doit[R_EC_P521] = 2;\n else if (strcmp(*argv, "ecdsak163") == 0)\n ecdsa_doit[R_EC_K163] = 2;\n else if (strcmp(*argv, "ecdsak233") == 0)\n ecdsa_doit[R_EC_K233] = 2;\n else if (strcmp(*argv, "ecdsak283") == 0)\n ecdsa_doit[R_EC_K283] = 2;\n else if (strcmp(*argv, "ecdsak409") == 0)\n ecdsa_doit[R_EC_K409] = 2;\n else if (strcmp(*argv, "ecdsak571") == 0)\n ecdsa_doit[R_EC_K571] = 2;\n else if (strcmp(*argv, "ecdsab163") == 0)\n ecdsa_doit[R_EC_B163] = 2;\n else if (strcmp(*argv, "ecdsab233") == 0)\n ecdsa_doit[R_EC_B233] = 2;\n else if (strcmp(*argv, "ecdsab283") == 0)\n ecdsa_doit[R_EC_B283] = 2;\n else if (strcmp(*argv, "ecdsab409") == 0)\n ecdsa_doit[R_EC_B409] = 2;\n else if (strcmp(*argv, "ecdsab571") == 0)\n ecdsa_doit[R_EC_B571] = 2;\n else if (strcmp(*argv, "ecdsa") == 0) {\n for (i = 0; i < EC_NUM; i++)\n ecdsa_doit[i] = 1;\n } else\n#endif\n#ifndef OPENSSL_NO_ECDH\n if (strcmp(*argv, "ecdhp160") == 0)\n ecdh_doit[R_EC_P160] = 2;\n else if (strcmp(*argv, "ecdhp192") == 0)\n ecdh_doit[R_EC_P192] = 2;\n else if (strcmp(*argv, "ecdhp224") == 0)\n ecdh_doit[R_EC_P224] = 2;\n else if (strcmp(*argv, "ecdhp256") == 0)\n ecdh_doit[R_EC_P256] = 2;\n else if (strcmp(*argv, "ecdhp384") == 0)\n ecdh_doit[R_EC_P384] = 2;\n else if (strcmp(*argv, "ecdhp521") == 0)\n ecdh_doit[R_EC_P521] = 2;\n else if (strcmp(*argv, "ecdhk163") == 0)\n ecdh_doit[R_EC_K163] = 2;\n else if (strcmp(*argv, "ecdhk233") == 0)\n ecdh_doit[R_EC_K233] = 2;\n else if (strcmp(*argv, "ecdhk283") == 0)\n ecdh_doit[R_EC_K283] = 2;\n else if (strcmp(*argv, "ecdhk409") == 0)\n ecdh_doit[R_EC_K409] = 2;\n else if (strcmp(*argv, "ecdhk571") == 0)\n ecdh_doit[R_EC_K571] = 2;\n else if (strcmp(*argv, "ecdhb163") == 0)\n ecdh_doit[R_EC_B163] = 2;\n else if (strcmp(*argv, "ecdhb233") == 0)\n ecdh_doit[R_EC_B233] = 2;\n else if (strcmp(*argv, "ecdhb283") == 0)\n ecdh_doit[R_EC_B283] = 2;\n else if (strcmp(*argv, "ecdhb409") == 0)\n ecdh_doit[R_EC_B409] = 2;\n else if (strcmp(*argv, "ecdhb571") == 0)\n ecdh_doit[R_EC_B571] = 2;\n else if (strcmp(*argv, "ecdh") == 0) {\n for (i = 0; i < EC_NUM; i++)\n ecdh_doit[i] = 1;\n } else\n#endif\n {\n BIO_printf(bio_err, "Error: bad option or value\\n");\n BIO_printf(bio_err, "\\n");\n BIO_printf(bio_err, "Available values:\\n");\n#ifndef OPENSSL_NO_MD2\n BIO_printf(bio_err, "md2 ");\n#endif\n#ifndef OPENSSL_NO_MDC2\n BIO_printf(bio_err, "mdc2 ");\n#endif\n#ifndef OPENSSL_NO_MD4\n BIO_printf(bio_err, "md4 ");\n#endif\n#ifndef OPENSSL_NO_MD5\n BIO_printf(bio_err, "md5 ");\n# ifndef OPENSSL_NO_HMAC\n BIO_printf(bio_err, "hmac ");\n# endif\n#endif\n#ifndef OPENSSL_NO_SHA1\n BIO_printf(bio_err, "sha1 ");\n#endif\n#ifndef OPENSSL_NO_SHA256\n BIO_printf(bio_err, "sha256 ");\n#endif\n#ifndef OPENSSL_NO_SHA512\n BIO_printf(bio_err, "sha512 ");\n#endif\n#ifndef OPENSSL_NO_WHIRLPOOL\n BIO_printf(bio_err, "whirlpool");\n#endif\n#ifndef OPENSSL_NO_RMD160\n BIO_printf(bio_err, "rmd160");\n#endif\n#if !defined(OPENSSL_NO_MD2) || !defined(OPENSSL_NO_MDC2) || \\\n !defined(OPENSSL_NO_MD4) || !defined(OPENSSL_NO_MD5) || \\\n !defined(OPENSSL_NO_SHA1) || !defined(OPENSSL_NO_RMD160) || \\\n !defined(OPENSSL_NO_WHIRLPOOL)\n BIO_printf(bio_err, "\\n");\n#endif\n#ifndef OPENSSL_NO_IDEA\n BIO_printf(bio_err, "idea-cbc ");\n#endif\n#ifndef OPENSSL_NO_SEED\n BIO_printf(bio_err, "seed-cbc ");\n#endif\n#ifndef OPENSSL_NO_RC2\n BIO_printf(bio_err, "rc2-cbc ");\n#endif\n#ifndef OPENSSL_NO_RC5\n BIO_printf(bio_err, "rc5-cbc ");\n#endif\n#ifndef OPENSSL_NO_BF\n BIO_printf(bio_err, "bf-cbc");\n#endif\n#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || !defined(OPENSSL_NO_RC2) || \\\n !defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_RC5)\n BIO_printf(bio_err, "\\n");\n#endif\n#ifndef OPENSSL_NO_DES\n BIO_printf(bio_err, "des-cbc des-ede3 ");\n#endif\n#ifndef OPENSSL_NO_AES\n BIO_printf(bio_err, "aes-128-cbc aes-192-cbc aes-256-cbc ");\n BIO_printf(bio_err, "aes-128-ige aes-192-ige aes-256-ige ");\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n BIO_printf(bio_err, "\\n");\n BIO_printf(bio_err,\n "camellia-128-cbc camellia-192-cbc camellia-256-cbc ");\n#endif\n#ifndef OPENSSL_NO_RC4\n BIO_printf(bio_err, "rc4");\n#endif\n BIO_printf(bio_err, "\\n");\n#ifndef OPENSSL_NO_RSA\n BIO_printf(bio_err,\n "rsa512 rsa1024 rsa2048 rsa3072 rsa4096\\n");\n BIO_printf(bio_err, "rsa7680 rsa15360\\n");\n#endif\n#ifndef OPENSSL_NO_DSA\n BIO_printf(bio_err, "dsa512 dsa1024 dsa2048\\n");\n#endif\n#ifndef OPENSSL_NO_ECDSA\n BIO_printf(bio_err, "ecdsap160 ecdsap192 ecdsap224 "\n "ecdsap256 ecdsap384 ecdsap521\\n");\n BIO_printf(bio_err,\n "ecdsak163 ecdsak233 ecdsak283 ecdsak409 ecdsak571\\n");\n BIO_printf(bio_err,\n "ecdsab163 ecdsab233 ecdsab283 ecdsab409 ecdsab571\\n");\n BIO_printf(bio_err, "ecdsa\\n");\n#endif\n#ifndef OPENSSL_NO_ECDH\n BIO_printf(bio_err, "ecdhp160 ecdhp192 ecdhp224 "\n "ecdhp256 ecdhp384 ecdhp521\\n");\n BIO_printf(bio_err,\n "ecdhk163 ecdhk233 ecdhk283 ecdhk409 ecdhk571\\n");\n BIO_printf(bio_err,\n "ecdhb163 ecdhb233 ecdhb283 ecdhb409 ecdhb571\\n");\n BIO_printf(bio_err, "ecdh\\n");\n#endif\n#ifndef OPENSSL_NO_IDEA\n BIO_printf(bio_err, "idea ");\n#endif\n#ifndef OPENSSL_NO_SEED\n BIO_printf(bio_err, "seed ");\n#endif\n#ifndef OPENSSL_NO_RC2\n BIO_printf(bio_err, "rc2 ");\n#endif\n#ifndef OPENSSL_NO_DES\n BIO_printf(bio_err, "des ");\n#endif\n#ifndef OPENSSL_NO_AES\n BIO_printf(bio_err, "aes ");\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n BIO_printf(bio_err, "camellia ");\n#endif\n#ifndef OPENSSL_NO_RSA\n BIO_printf(bio_err, "rsa ");\n#endif\n#ifndef OPENSSL_NO_BF\n BIO_printf(bio_err, "blowfish");\n#endif\n#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || \\\n !defined(OPENSSL_NO_RC2) || !defined(OPENSSL_NO_DES) || \\\n !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_BF) || \\\n !defined(OPENSSL_NO_AES) || !defined(OPENSSL_NO_CAMELLIA)\n BIO_printf(bio_err, "\\n");\n#endif\n BIO_printf(bio_err, "\\n");\n BIO_printf(bio_err, "Available options:\\n");\n#if defined(TIMES) || defined(USE_TOD)\n BIO_printf(bio_err, "-elapsed "\n "measure time in real time instead of CPU user time.\\n");\n#endif\n#ifndef OPENSSL_NO_ENGINE\n BIO_printf(bio_err,\n "-engine e "\n "use engine e, possibly a hardware device.\\n");\n#endif\n BIO_printf(bio_err, "-evp e " "use EVP e.\\n");\n BIO_printf(bio_err,\n "-decrypt "\n "time decryption instead of encryption (only EVP).\\n");\n BIO_printf(bio_err,\n "-mr "\n "produce machine readable output.\\n");\n BIO_printf(bio_err,\n "-mb "\n "perform multi-block benchmark (for specific ciphers)\\n");\n BIO_printf(bio_err,\n "-misalign n "\n "perform benchmark with misaligned data\\n");\n#ifndef NO_FORK\n BIO_printf(bio_err,\n "-multi n " "run n benchmarks in parallel.\\n");\n#endif\n goto end;\n }\n argc--;\n argv++;\n j++;\n }\n#ifndef NO_FORK\n if (multi && do_multi(multi))\n goto show_res;\n#endif\n if (j == 0) {\n for (i = 0; i < ALGOR_NUM; i++) {\n if (i != D_EVP)\n doit[i] = 1;\n }\n for (i = 0; i < RSA_NUM; i++)\n rsa_doit[i] = 1;\n for (i = 0; i < DSA_NUM; i++)\n dsa_doit[i] = 1;\n#ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n ecdsa_doit[i] = 1;\n#endif\n#ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++)\n ecdh_doit[i] = 1;\n#endif\n }\n for (i = 0; i < ALGOR_NUM; i++)\n if (doit[i])\n pr_header++;\n if (usertime == 0 && !mr)\n BIO_printf(bio_err,\n "You have chosen to measure elapsed time "\n "instead of user CPU time.\\n");\n#ifndef OPENSSL_NO_RSA\n for (i = 0; i < RSA_NUM; i++) {\n const unsigned char *p;\n p = rsa_data[i];\n rsa_key[i] = d2i_RSAPrivateKey(NULL, &p, rsa_data_length[i]);\n if (rsa_key[i] == NULL) {\n BIO_printf(bio_err, "internal error loading RSA key number %d\\n",\n i);\n goto end;\n }\n# if 0\n else {\n BIO_printf(bio_err,\n mr ? "+RK:%d:"\n : "Loaded RSA key, %d bit modulus and e= 0x",\n BN_num_bits(rsa_key[i]->n));\n BN_print(bio_err, rsa_key[i]->e);\n BIO_printf(bio_err, "\\n");\n }\n# endif\n }\n#endif\n#ifndef OPENSSL_NO_DSA\n dsa_key[0] = get_dsa512();\n dsa_key[1] = get_dsa1024();\n dsa_key[2] = get_dsa2048();\n#endif\n#ifndef OPENSSL_NO_DES\n DES_set_key_unchecked(&key, &sch);\n DES_set_key_unchecked(&key2, &sch2);\n DES_set_key_unchecked(&key3, &sch3);\n#endif\n#ifndef OPENSSL_NO_AES\n AES_set_encrypt_key(key16, 128, &aes_ks1);\n AES_set_encrypt_key(key24, 192, &aes_ks2);\n AES_set_encrypt_key(key32, 256, &aes_ks3);\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n Camellia_set_key(key16, 128, &camellia_ks1);\n Camellia_set_key(ckey24, 192, &camellia_ks2);\n Camellia_set_key(ckey32, 256, &camellia_ks3);\n#endif\n#ifndef OPENSSL_NO_IDEA\n idea_set_encrypt_key(key16, &idea_ks);\n#endif\n#ifndef OPENSSL_NO_SEED\n SEED_set_key(key16, &seed_ks);\n#endif\n#ifndef OPENSSL_NO_RC4\n RC4_set_key(&rc4_ks, 16, key16);\n#endif\n#ifndef OPENSSL_NO_RC2\n RC2_set_key(&rc2_ks, 16, key16, 128);\n#endif\n#ifndef OPENSSL_NO_RC5\n RC5_32_set_key(&rc5_ks, 16, key16, 12);\n#endif\n#ifndef OPENSSL_NO_BF\n BF_set_key(&bf_ks, 16, key16);\n#endif\n#ifndef OPENSSL_NO_CAST\n CAST_set_key(&cast_ks, 16, key16);\n#endif\n#ifndef OPENSSL_NO_RSA\n memset(rsa_c, 0, sizeof(rsa_c));\n#endif\n#ifndef SIGALRM\n# ifndef OPENSSL_NO_DES\n BIO_printf(bio_err, "First we calculate the approximate speed ...\\n");\n count = 10;\n do {\n long it;\n count *= 2;\n Time_F(START);\n for (it = count; it; it--)\n DES_ecb_encrypt((DES_cblock *)buf,\n (DES_cblock *)buf, &sch, DES_ENCRYPT);\n d = Time_F(STOP);\n } while (d < 3);\n save_count = count;\n c[D_MD2][0] = count / 10;\n c[D_MDC2][0] = count / 10;\n c[D_MD4][0] = count;\n c[D_MD5][0] = count;\n c[D_HMAC][0] = count;\n c[D_SHA1][0] = count;\n c[D_RMD160][0] = count;\n c[D_RC4][0] = count * 5;\n c[D_CBC_DES][0] = count;\n c[D_EDE3_DES][0] = count / 3;\n c[D_CBC_IDEA][0] = count;\n c[D_CBC_SEED][0] = count;\n c[D_CBC_RC2][0] = count;\n c[D_CBC_RC5][0] = count;\n c[D_CBC_BF][0] = count;\n c[D_CBC_CAST][0] = count;\n c[D_CBC_128_AES][0] = count;\n c[D_CBC_192_AES][0] = count;\n c[D_CBC_256_AES][0] = count;\n c[D_CBC_128_CML][0] = count;\n c[D_CBC_192_CML][0] = count;\n c[D_CBC_256_CML][0] = count;\n c[D_SHA256][0] = count;\n c[D_SHA512][0] = count;\n c[D_WHIRLPOOL][0] = count;\n c[D_IGE_128_AES][0] = count;\n c[D_IGE_192_AES][0] = count;\n c[D_IGE_256_AES][0] = count;\n c[D_GHASH][0] = count;\n for (i = 1; i < SIZE_NUM; i++) {\n long l0, l1;\n l0 = (long)lengths[0];\n l1 = (long)lengths[i];\n c[D_MD2][i] = c[D_MD2][0] * 4 * l0 / l1;\n c[D_MDC2][i] = c[D_MDC2][0] * 4 * l0 / l1;\n c[D_MD4][i] = c[D_MD4][0] * 4 * l0 / l1;\n c[D_MD5][i] = c[D_MD5][0] * 4 * l0 / l1;\n c[D_HMAC][i] = c[D_HMAC][0] * 4 * l0 / l1;\n c[D_SHA1][i] = c[D_SHA1][0] * 4 * l0 / l1;\n c[D_RMD160][i] = c[D_RMD160][0] * 4 * l0 / l1;\n c[D_SHA256][i] = c[D_SHA256][0] * 4 * l0 / l1;\n c[D_SHA512][i] = c[D_SHA512][0] * 4 * l0 / l1;\n c[D_WHIRLPOOL][i] = c[D_WHIRLPOOL][0] * 4 * l0 / l1;\n l0 = (long)lengths[i - 1];\n c[D_RC4][i] = c[D_RC4][i - 1] * l0 / l1;\n c[D_CBC_DES][i] = c[D_CBC_DES][i - 1] * l0 / l1;\n c[D_EDE3_DES][i] = c[D_EDE3_DES][i - 1] * l0 / l1;\n c[D_CBC_IDEA][i] = c[D_CBC_IDEA][i - 1] * l0 / l1;\n c[D_CBC_SEED][i] = c[D_CBC_SEED][i - 1] * l0 / l1;\n c[D_CBC_RC2][i] = c[D_CBC_RC2][i - 1] * l0 / l1;\n c[D_CBC_RC5][i] = c[D_CBC_RC5][i - 1] * l0 / l1;\n c[D_CBC_BF][i] = c[D_CBC_BF][i - 1] * l0 / l1;\n c[D_CBC_CAST][i] = c[D_CBC_CAST][i - 1] * l0 / l1;\n c[D_CBC_128_AES][i] = c[D_CBC_128_AES][i - 1] * l0 / l1;\n c[D_CBC_192_AES][i] = c[D_CBC_192_AES][i - 1] * l0 / l1;\n c[D_CBC_256_AES][i] = c[D_CBC_256_AES][i - 1] * l0 / l1;\n c[D_CBC_128_CML][i] = c[D_CBC_128_CML][i - 1] * l0 / l1;\n c[D_CBC_192_CML][i] = c[D_CBC_192_CML][i - 1] * l0 / l1;\n c[D_CBC_256_CML][i] = c[D_CBC_256_CML][i - 1] * l0 / l1;\n c[D_IGE_128_AES][i] = c[D_IGE_128_AES][i - 1] * l0 / l1;\n c[D_IGE_192_AES][i] = c[D_IGE_192_AES][i - 1] * l0 / l1;\n c[D_IGE_256_AES][i] = c[D_IGE_256_AES][i - 1] * l0 / l1;\n }\n# ifndef OPENSSL_NO_RSA\n rsa_c[R_RSA_512][0] = count / 2000;\n rsa_c[R_RSA_512][1] = count / 400;\n for (i = 1; i < RSA_NUM; i++) {\n rsa_c[i][0] = rsa_c[i - 1][0] / 8;\n rsa_c[i][1] = rsa_c[i - 1][1] / 4;\n if ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))\n rsa_doit[i] = 0;\n else {\n if (rsa_c[i][0] == 0) {\n rsa_c[i][0] = 1;\n rsa_c[i][1] = 20;\n }\n }\n }\n# endif\n# ifndef OPENSSL_NO_DSA\n dsa_c[R_DSA_512][0] = count / 1000;\n dsa_c[R_DSA_512][1] = count / 1000 / 2;\n for (i = 1; i < DSA_NUM; i++) {\n dsa_c[i][0] = dsa_c[i - 1][0] / 4;\n dsa_c[i][1] = dsa_c[i - 1][1] / 4;\n if ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))\n dsa_doit[i] = 0;\n else {\n if (dsa_c[i] == 0) {\n dsa_c[i][0] = 1;\n dsa_c[i][1] = 1;\n }\n }\n }\n# endif\n# ifndef OPENSSL_NO_ECDSA\n ecdsa_c[R_EC_P160][0] = count / 1000;\n ecdsa_c[R_EC_P160][1] = count / 1000 / 2;\n for (i = R_EC_P192; i <= R_EC_P521; i++) {\n ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;\n ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;\n if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))\n ecdsa_doit[i] = 0;\n else {\n if (ecdsa_c[i] == 0) {\n ecdsa_c[i][0] = 1;\n ecdsa_c[i][1] = 1;\n }\n }\n }\n ecdsa_c[R_EC_K163][0] = count / 1000;\n ecdsa_c[R_EC_K163][1] = count / 1000 / 2;\n for (i = R_EC_K233; i <= R_EC_K571; i++) {\n ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;\n ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;\n if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))\n ecdsa_doit[i] = 0;\n else {\n if (ecdsa_c[i] == 0) {\n ecdsa_c[i][0] = 1;\n ecdsa_c[i][1] = 1;\n }\n }\n }\n ecdsa_c[R_EC_B163][0] = count / 1000;\n ecdsa_c[R_EC_B163][1] = count / 1000 / 2;\n for (i = R_EC_B233; i <= R_EC_B571; i++) {\n ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;\n ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;\n if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))\n ecdsa_doit[i] = 0;\n else {\n if (ecdsa_c[i] == 0) {\n ecdsa_c[i][0] = 1;\n ecdsa_c[i][1] = 1;\n }\n }\n }\n# endif\n# ifndef OPENSSL_NO_ECDH\n ecdh_c[R_EC_P160][0] = count / 1000;\n ecdh_c[R_EC_P160][1] = count / 1000;\n for (i = R_EC_P192; i <= R_EC_P521; i++) {\n ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;\n ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;\n if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))\n ecdh_doit[i] = 0;\n else {\n if (ecdh_c[i] == 0) {\n ecdh_c[i][0] = 1;\n ecdh_c[i][1] = 1;\n }\n }\n }\n ecdh_c[R_EC_K163][0] = count / 1000;\n ecdh_c[R_EC_K163][1] = count / 1000;\n for (i = R_EC_K233; i <= R_EC_K571; i++) {\n ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;\n ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;\n if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))\n ecdh_doit[i] = 0;\n else {\n if (ecdh_c[i] == 0) {\n ecdh_c[i][0] = 1;\n ecdh_c[i][1] = 1;\n }\n }\n }\n ecdh_c[R_EC_B163][0] = count / 1000;\n ecdh_c[R_EC_B163][1] = count / 1000;\n for (i = R_EC_B233; i <= R_EC_B571; i++) {\n ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;\n ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;\n if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))\n ecdh_doit[i] = 0;\n else {\n if (ecdh_c[i] == 0) {\n ecdh_c[i][0] = 1;\n ecdh_c[i][1] = 1;\n }\n }\n }\n# endif\n# define COND(d) (count < (d))\n# define COUNT(d) (d)\n# else\n# error "You cannot disable DES on systems without SIGALRM."\n# endif\n#else\n# define COND(c) (run && count<0x7fffffff)\n# define COUNT(d) (count)\n# ifndef _WIN32\n signal(SIGALRM, sig_done);\n# endif\n#endif\n#ifndef OPENSSL_NO_MD2\n if (doit[D_MD2]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MD2], c[D_MD2][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MD2][j]); count++)\n EVP_Digest(buf, (unsigned long)lengths[j], &(md2[0]), NULL,\n EVP_md2(), NULL);\n d = Time_F(STOP);\n print_result(D_MD2, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_MDC2\n if (doit[D_MDC2]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MDC2], c[D_MDC2][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MDC2][j]); count++)\n EVP_Digest(buf, (unsigned long)lengths[j], &(mdc2[0]), NULL,\n EVP_mdc2(), NULL);\n d = Time_F(STOP);\n print_result(D_MDC2, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_MD4\n if (doit[D_MD4]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MD4], c[D_MD4][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MD4][j]); count++)\n EVP_Digest(&(buf[0]), (unsigned long)lengths[j], &(md4[0]),\n NULL, EVP_md4(), NULL);\n d = Time_F(STOP);\n print_result(D_MD4, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_MD5\n if (doit[D_MD5]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MD5], c[D_MD5][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MD5][j]); count++)\n MD5(buf, lengths[j], md5);\n d = Time_F(STOP);\n print_result(D_MD5, j, count, d);\n }\n }\n#endif\n#if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_HMAC)\n if (doit[D_HMAC]) {\n HMAC_CTX hctx;\n HMAC_CTX_init(&hctx);\n HMAC_Init_ex(&hctx, (unsigned char *)"This is a key...",\n 16, EVP_md5(), NULL);\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_HMAC], c[D_HMAC][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_HMAC][j]); count++) {\n HMAC_Init_ex(&hctx, NULL, 0, NULL, NULL);\n HMAC_Update(&hctx, buf, lengths[j]);\n HMAC_Final(&hctx, &(hmac[0]), NULL);\n }\n d = Time_F(STOP);\n print_result(D_HMAC, j, count, d);\n }\n HMAC_CTX_cleanup(&hctx);\n }\n#endif\n#ifndef OPENSSL_NO_SHA\n if (doit[D_SHA1]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_SHA1], c[D_SHA1][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_SHA1][j]); count++)\n# if 0\n EVP_Digest(buf, (unsigned long)lengths[j], &(sha[0]), NULL,\n EVP_sha1(), NULL);\n# else\n SHA1(buf, lengths[j], sha);\n# endif\n d = Time_F(STOP);\n print_result(D_SHA1, j, count, d);\n }\n }\n# ifndef OPENSSL_NO_SHA256\n if (doit[D_SHA256]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_SHA256], c[D_SHA256][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_SHA256][j]); count++)\n SHA256(buf, lengths[j], sha256);\n d = Time_F(STOP);\n print_result(D_SHA256, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_SHA512\n if (doit[D_SHA512]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_SHA512], c[D_SHA512][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_SHA512][j]); count++)\n SHA512(buf, lengths[j], sha512);\n d = Time_F(STOP);\n print_result(D_SHA512, j, count, d);\n }\n }\n# endif\n#endif\n#ifndef OPENSSL_NO_WHIRLPOOL\n if (doit[D_WHIRLPOOL]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_WHIRLPOOL], c[D_WHIRLPOOL][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_WHIRLPOOL][j]); count++)\n WHIRLPOOL(buf, lengths[j], whirlpool);\n d = Time_F(STOP);\n print_result(D_WHIRLPOOL, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_RMD160\n if (doit[D_RMD160]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_RMD160], c[D_RMD160][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_RMD160][j]); count++)\n EVP_Digest(buf, (unsigned long)lengths[j], &(rmd160[0]), NULL,\n EVP_ripemd160(), NULL);\n d = Time_F(STOP);\n print_result(D_RMD160, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_RC4\n if (doit[D_RC4]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_RC4], c[D_RC4][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_RC4][j]); count++)\n RC4(&rc4_ks, (unsigned int)lengths[j], buf, buf);\n d = Time_F(STOP);\n print_result(D_RC4, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_DES\n if (doit[D_CBC_DES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_DES], c[D_CBC_DES][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_DES][j]); count++)\n DES_ncbc_encrypt(buf, buf, lengths[j], &sch,\n &DES_iv, DES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_DES, j, count, d);\n }\n }\n if (doit[D_EDE3_DES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_EDE3_DES], c[D_EDE3_DES][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_EDE3_DES][j]); count++)\n DES_ede3_cbc_encrypt(buf, buf, lengths[j],\n &sch, &sch2, &sch3,\n &DES_iv, DES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_EDE3_DES, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_AES\n if (doit[D_CBC_128_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_128_AES], c[D_CBC_128_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_128_AES][j]); count++)\n AES_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &aes_ks1,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_128_AES, j, count, d);\n }\n }\n if (doit[D_CBC_192_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_192_AES], c[D_CBC_192_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_192_AES][j]); count++)\n AES_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &aes_ks2,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_192_AES, j, count, d);\n }\n }\n if (doit[D_CBC_256_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_256_AES], c[D_CBC_256_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_256_AES][j]); count++)\n AES_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &aes_ks3,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_256_AES, j, count, d);\n }\n }\n if (doit[D_IGE_128_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_IGE_128_AES], c[D_IGE_128_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_IGE_128_AES][j]); count++)\n AES_ige_encrypt(buf, buf2,\n (unsigned long)lengths[j], &aes_ks1,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_IGE_128_AES, j, count, d);\n }\n }\n if (doit[D_IGE_192_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_IGE_192_AES], c[D_IGE_192_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_IGE_192_AES][j]); count++)\n AES_ige_encrypt(buf, buf2,\n (unsigned long)lengths[j], &aes_ks2,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_IGE_192_AES, j, count, d);\n }\n }\n if (doit[D_IGE_256_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_IGE_256_AES], c[D_IGE_256_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_IGE_256_AES][j]); count++)\n AES_ige_encrypt(buf, buf2,\n (unsigned long)lengths[j], &aes_ks3,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_IGE_256_AES, j, count, d);\n }\n }\n if (doit[D_GHASH]) {\n GCM128_CONTEXT *ctx =\n CRYPTO_gcm128_new(&aes_ks1, (block128_f) AES_encrypt);\n CRYPTO_gcm128_setiv(ctx, (unsigned char *)"0123456789ab", 12);\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_GHASH], c[D_GHASH][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_GHASH][j]); count++)\n CRYPTO_gcm128_aad(ctx, buf, lengths[j]);\n d = Time_F(STOP);\n print_result(D_GHASH, j, count, d);\n }\n CRYPTO_gcm128_release(ctx);\n }\n#endif\n#ifndef OPENSSL_NO_CAMELLIA\n if (doit[D_CBC_128_CML]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_128_CML], c[D_CBC_128_CML][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_128_CML][j]); count++)\n Camellia_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &camellia_ks1,\n iv, CAMELLIA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_128_CML, j, count, d);\n }\n }\n if (doit[D_CBC_192_CML]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_192_CML], c[D_CBC_192_CML][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_192_CML][j]); count++)\n Camellia_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &camellia_ks2,\n iv, CAMELLIA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_192_CML, j, count, d);\n }\n }\n if (doit[D_CBC_256_CML]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_256_CML], c[D_CBC_256_CML][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_256_CML][j]); count++)\n Camellia_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &camellia_ks3,\n iv, CAMELLIA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_256_CML, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_IDEA\n if (doit[D_CBC_IDEA]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_IDEA], c[D_CBC_IDEA][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_IDEA][j]); count++)\n idea_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &idea_ks,\n iv, IDEA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_IDEA, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_SEED\n if (doit[D_CBC_SEED]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_SEED], c[D_CBC_SEED][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_SEED][j]); count++)\n SEED_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &seed_ks, iv, 1);\n d = Time_F(STOP);\n print_result(D_CBC_SEED, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_RC2\n if (doit[D_CBC_RC2]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_RC2], c[D_CBC_RC2][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_RC2][j]); count++)\n RC2_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &rc2_ks,\n iv, RC2_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_RC2, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_RC5\n if (doit[D_CBC_RC5]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_RC5], c[D_CBC_RC5][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_RC5][j]); count++)\n RC5_32_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &rc5_ks,\n iv, RC5_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_RC5, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_BF\n if (doit[D_CBC_BF]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_BF], c[D_CBC_BF][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_BF][j]); count++)\n BF_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &bf_ks,\n iv, BF_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_BF, j, count, d);\n }\n }\n#endif\n#ifndef OPENSSL_NO_CAST\n if (doit[D_CBC_CAST]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_CAST], c[D_CBC_CAST][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_CAST][j]); count++)\n CAST_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &cast_ks,\n iv, CAST_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_CAST, j, count, d);\n }\n }\n#endif\n if (doit[D_EVP]) {\n#ifdef EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK\n if (multiblock && evp_cipher) {\n if (!\n (EVP_CIPHER_flags(evp_cipher) &\n EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {\n fprintf(stderr, "%s is not multi-block capable\\n",\n OBJ_nid2ln(evp_cipher->nid));\n goto end;\n }\n multiblock_speed(evp_cipher);\n mret = 0;\n goto end;\n }\n#endif\n for (j = 0; j < SIZE_NUM; j++) {\n if (evp_cipher) {\n EVP_CIPHER_CTX ctx;\n int outl;\n names[D_EVP] = OBJ_nid2ln(evp_cipher->nid);\n print_message(names[D_EVP], save_count, lengths[j]);\n EVP_CIPHER_CTX_init(&ctx);\n if (decrypt)\n EVP_DecryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);\n else\n EVP_EncryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);\n EVP_CIPHER_CTX_set_padding(&ctx, 0);\n Time_F(START);\n if (decrypt)\n for (count = 0, run = 1;\n COND(save_count * 4 * lengths[0] / lengths[j]);\n count++)\n EVP_DecryptUpdate(&ctx, buf, &outl, buf, lengths[j]);\n else\n for (count = 0, run = 1;\n COND(save_count * 4 * lengths[0] / lengths[j]);\n count++)\n EVP_EncryptUpdate(&ctx, buf, &outl, buf, lengths[j]);\n if (decrypt)\n EVP_DecryptFinal_ex(&ctx, buf, &outl);\n else\n EVP_EncryptFinal_ex(&ctx, buf, &outl);\n d = Time_F(STOP);\n EVP_CIPHER_CTX_cleanup(&ctx);\n }\n if (evp_md) {\n names[D_EVP] = OBJ_nid2ln(evp_md->type);\n print_message(names[D_EVP], save_count, lengths[j]);\n Time_F(START);\n for (count = 0, run = 1;\n COND(save_count * 4 * lengths[0] / lengths[j]); count++)\n EVP_Digest(buf, lengths[j], &(md[0]), NULL, evp_md, NULL);\n d = Time_F(STOP);\n }\n print_result(D_EVP, j, count, d);\n }\n }\n#ifndef OPENSSL_SYS_WIN32\n#endif\n RAND_pseudo_bytes(buf, 36);\n#ifndef OPENSSL_NO_RSA\n for (j = 0; j < RSA_NUM; j++) {\n int ret;\n if (!rsa_doit[j])\n continue;\n ret = RSA_sign(NID_md5_sha1, buf, 36, buf2, &rsa_num, rsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err,\n "RSA sign failure. No RSA sign will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n pkey_print_message("private", "rsa",\n rsa_c[j][0], rsa_bits[j], RSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(rsa_c[j][0]); count++) {\n ret = RSA_sign(NID_md5_sha1, buf, 36, buf2,\n &rsa_num, rsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err, "RSA sign failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R1:%ld:%d:%.2f\\n"\n : "%ld %d bit private RSA\'s in %.2fs\\n",\n count, rsa_bits[j], d);\n rsa_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n# if 1\n ret = RSA_verify(NID_md5_sha1, buf, 36, buf2, rsa_num, rsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err,\n "RSA verify failure. No RSA verify will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_doit[j] = 0;\n } else {\n pkey_print_message("public", "rsa",\n rsa_c[j][1], rsa_bits[j], RSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(rsa_c[j][1]); count++) {\n ret = RSA_verify(NID_md5_sha1, buf, 36, buf2,\n rsa_num, rsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err, "RSA verify failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R2:%ld:%d:%.2f\\n"\n : "%ld %d bit public RSA\'s in %.2fs\\n",\n count, rsa_bits[j], d);\n rsa_results[j][1] = d / (double)count;\n }\n# endif\n if (rsa_count <= 1) {\n for (j++; j < RSA_NUM; j++)\n rsa_doit[j] = 0;\n }\n }\n#endif\n RAND_pseudo_bytes(buf, 20);\n#ifndef OPENSSL_NO_DSA\n if (RAND_status() != 1) {\n RAND_seed(rnd_seed, sizeof rnd_seed);\n rnd_fake = 1;\n }\n for (j = 0; j < DSA_NUM; j++) {\n unsigned int kk;\n int ret;\n if (!dsa_doit[j])\n continue;\n ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err,\n "DSA sign failure. No DSA sign will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n pkey_print_message("sign", "dsa",\n dsa_c[j][0], dsa_bits[j], DSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(dsa_c[j][0]); count++) {\n ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err, "DSA sign failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R3:%ld:%d:%.2f\\n"\n : "%ld %d bit DSA signs in %.2fs\\n",\n count, dsa_bits[j], d);\n dsa_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err,\n "DSA verify failure. No DSA verify will be done.\\n");\n ERR_print_errors(bio_err);\n dsa_doit[j] = 0;\n } else {\n pkey_print_message("verify", "dsa",\n dsa_c[j][1], dsa_bits[j], DSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(dsa_c[j][1]); count++) {\n ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err, "DSA verify failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R4:%ld:%d:%.2f\\n"\n : "%ld %d bit DSA verify in %.2fs\\n",\n count, dsa_bits[j], d);\n dsa_results[j][1] = d / (double)count;\n }\n if (rsa_count <= 1) {\n for (j++; j < DSA_NUM; j++)\n dsa_doit[j] = 0;\n }\n }\n if (rnd_fake)\n RAND_cleanup();\n#endif\n#ifndef OPENSSL_NO_ECDSA\n if (RAND_status() != 1) {\n RAND_seed(rnd_seed, sizeof rnd_seed);\n rnd_fake = 1;\n }\n for (j = 0; j < EC_NUM; j++) {\n int ret;\n if (!ecdsa_doit[j])\n continue;\n ecdsa[j] = EC_KEY_new_by_curve_name(test_curves[j]);\n if (ecdsa[j] == NULL) {\n BIO_printf(bio_err, "ECDSA failure.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n# if 1\n EC_KEY_precompute_mult(ecdsa[j], NULL);\n# endif\n EC_KEY_generate_key(ecdsa[j]);\n ret = ECDSA_sign(0, buf, 20, ecdsasig, &ecdsasiglen, ecdsa[j]);\n if (ret == 0) {\n BIO_printf(bio_err,\n "ECDSA sign failure. No ECDSA sign will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n pkey_print_message("sign", "ecdsa",\n ecdsa_c[j][0],\n test_curves_bits[j], ECDSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(ecdsa_c[j][0]); count++) {\n ret = ECDSA_sign(0, buf, 20,\n ecdsasig, &ecdsasiglen, ecdsa[j]);\n if (ret == 0) {\n BIO_printf(bio_err, "ECDSA sign failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R5:%ld:%d:%.2f\\n" :\n "%ld %d bit ECDSA signs in %.2fs \\n",\n count, test_curves_bits[j], d);\n ecdsa_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n ret = ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen, ecdsa[j]);\n if (ret != 1) {\n BIO_printf(bio_err,\n "ECDSA verify failure. No ECDSA verify will be done.\\n");\n ERR_print_errors(bio_err);\n ecdsa_doit[j] = 0;\n } else {\n pkey_print_message("verify", "ecdsa",\n ecdsa_c[j][1],\n test_curves_bits[j], ECDSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(ecdsa_c[j][1]); count++) {\n ret =\n ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen,\n ecdsa[j]);\n if (ret != 1) {\n BIO_printf(bio_err, "ECDSA verify failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R6:%ld:%d:%.2f\\n"\n : "%ld %d bit ECDSA verify in %.2fs\\n",\n count, test_curves_bits[j], d);\n ecdsa_results[j][1] = d / (double)count;\n }\n if (rsa_count <= 1) {\n for (j++; j < EC_NUM; j++)\n ecdsa_doit[j] = 0;\n }\n }\n }\n if (rnd_fake)\n RAND_cleanup();\n#endif\n#ifndef OPENSSL_NO_ECDH\n if (RAND_status() != 1) {\n RAND_seed(rnd_seed, sizeof rnd_seed);\n rnd_fake = 1;\n }\n for (j = 0; j < EC_NUM; j++) {\n if (!ecdh_doit[j])\n continue;\n ecdh_a[j] = EC_KEY_new_by_curve_name(test_curves[j]);\n ecdh_b[j] = EC_KEY_new_by_curve_name(test_curves[j]);\n if ((ecdh_a[j] == NULL) || (ecdh_b[j] == NULL)) {\n BIO_printf(bio_err, "ECDH failure.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n if (!EC_KEY_generate_key(ecdh_a[j]) ||\n !EC_KEY_generate_key(ecdh_b[j])) {\n BIO_printf(bio_err, "ECDH key generation failure.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n int field_size, outlen;\n void *(*kdf) (const void *in, size_t inlen, void *out,\n size_t *xoutlen);\n field_size =\n EC_GROUP_get_degree(EC_KEY_get0_group(ecdh_a[j]));\n if (field_size <= 24 * 8) {\n outlen = KDF1_SHA1_len;\n kdf = KDF1_SHA1;\n } else {\n outlen = (field_size + 7) / 8;\n kdf = NULL;\n }\n secret_size_a =\n ECDH_compute_key(secret_a, outlen,\n EC_KEY_get0_public_key(ecdh_b[j]),\n ecdh_a[j], kdf);\n secret_size_b =\n ECDH_compute_key(secret_b, outlen,\n EC_KEY_get0_public_key(ecdh_a[j]),\n ecdh_b[j], kdf);\n if (secret_size_a != secret_size_b)\n ecdh_checks = 0;\n else\n ecdh_checks = 1;\n for (secret_idx = 0; (secret_idx < secret_size_a)\n && (ecdh_checks == 1); secret_idx++) {\n if (secret_a[secret_idx] != secret_b[secret_idx])\n ecdh_checks = 0;\n }\n if (ecdh_checks == 0) {\n BIO_printf(bio_err, "ECDH computations don\'t match.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n }\n pkey_print_message("", "ecdh",\n ecdh_c[j][0],\n test_curves_bits[j], ECDH_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(ecdh_c[j][0]); count++) {\n ECDH_compute_key(secret_a, outlen,\n EC_KEY_get0_public_key(ecdh_b[j]),\n ecdh_a[j], kdf);\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R7:%ld:%d:%.2f\\n" :\n "%ld %d-bit ECDH ops in %.2fs\\n", count,\n test_curves_bits[j], d);\n ecdh_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n }\n if (rsa_count <= 1) {\n for (j++; j < EC_NUM; j++)\n ecdh_doit[j] = 0;\n }\n }\n if (rnd_fake)\n RAND_cleanup();\n#endif\n#ifndef NO_FORK\n show_res:\n#endif\n if (!mr) {\n fprintf(stdout, "%s\\n", SSLeay_version(SSLEAY_VERSION));\n fprintf(stdout, "%s\\n", SSLeay_version(SSLEAY_BUILT_ON));\n printf("options:");\n printf("%s ", BN_options());\n#ifndef OPENSSL_NO_MD2\n printf("%s ", MD2_options());\n#endif\n#ifndef OPENSSL_NO_RC4\n printf("%s ", RC4_options());\n#endif\n#ifndef OPENSSL_NO_DES\n printf("%s ", DES_options());\n#endif\n#ifndef OPENSSL_NO_AES\n printf("%s ", AES_options());\n#endif\n#ifndef OPENSSL_NO_IDEA\n printf("%s ", idea_options());\n#endif\n#ifndef OPENSSL_NO_BF\n printf("%s ", BF_options());\n#endif\n fprintf(stdout, "\\n%s\\n", SSLeay_version(SSLEAY_CFLAGS));\n }\n if (pr_header) {\n if (mr)\n fprintf(stdout, "+H");\n else {\n fprintf(stdout,\n "The \'numbers\' are in 1000s of bytes per second processed.\\n");\n fprintf(stdout, "type ");\n }\n for (j = 0; j < SIZE_NUM; j++)\n fprintf(stdout, mr ? ":%d" : "%7d bytes", lengths[j]);\n fprintf(stdout, "\\n");\n }\n for (k = 0; k < ALGOR_NUM; k++) {\n if (!doit[k])\n continue;\n if (mr)\n fprintf(stdout, "+F:%d:%s", k, names[k]);\n else\n fprintf(stdout, "%-13s", names[k]);\n for (j = 0; j < SIZE_NUM; j++) {\n if (results[k][j] > 10000 && !mr)\n fprintf(stdout, " %11.2fk", results[k][j] / 1e3);\n else\n fprintf(stdout, mr ? ":%.2f" : " %11.2f ", results[k][j]);\n }\n fprintf(stdout, "\\n");\n }\n#ifndef OPENSSL_NO_RSA\n j = 1;\n for (k = 0; k < RSA_NUM; k++) {\n if (!rsa_doit[k])\n continue;\n if (j && !mr) {\n printf("%18ssign verify sign/s verify/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F2:%u:%u:%f:%f\\n",\n k, rsa_bits[k], rsa_results[k][0], rsa_results[k][1]);\n else\n fprintf(stdout, "rsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\\n",\n rsa_bits[k], rsa_results[k][0], rsa_results[k][1],\n 1.0 / rsa_results[k][0], 1.0 / rsa_results[k][1]);\n }\n#endif\n#ifndef OPENSSL_NO_DSA\n j = 1;\n for (k = 0; k < DSA_NUM; k++) {\n if (!dsa_doit[k])\n continue;\n if (j && !mr) {\n printf("%18ssign verify sign/s verify/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F3:%u:%u:%f:%f\\n",\n k, dsa_bits[k], dsa_results[k][0], dsa_results[k][1]);\n else\n fprintf(stdout, "dsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\\n",\n dsa_bits[k], dsa_results[k][0], dsa_results[k][1],\n 1.0 / dsa_results[k][0], 1.0 / dsa_results[k][1]);\n }\n#endif\n#ifndef OPENSSL_NO_ECDSA\n j = 1;\n for (k = 0; k < EC_NUM; k++) {\n if (!ecdsa_doit[k])\n continue;\n if (j && !mr) {\n printf("%30ssign verify sign/s verify/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F4:%u:%u:%f:%f\\n",\n k, test_curves_bits[k],\n ecdsa_results[k][0], ecdsa_results[k][1]);\n else\n fprintf(stdout,\n "%4u bit ecdsa (%s) %8.4fs %8.4fs %8.1f %8.1f\\n",\n test_curves_bits[k],\n test_curves_names[k],\n ecdsa_results[k][0], ecdsa_results[k][1],\n 1.0 / ecdsa_results[k][0], 1.0 / ecdsa_results[k][1]);\n }\n#endif\n#ifndef OPENSSL_NO_ECDH\n j = 1;\n for (k = 0; k < EC_NUM; k++) {\n if (!ecdh_doit[k])\n continue;\n if (j && !mr) {\n printf("%30sop op/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F5:%u:%u:%f:%f\\n",\n k, test_curves_bits[k],\n ecdh_results[k][0], 1.0 / ecdh_results[k][0]);\n else\n fprintf(stdout, "%4u bit ecdh (%s) %8.4fs %8.1f\\n",\n test_curves_bits[k],\n test_curves_names[k],\n ecdh_results[k][0], 1.0 / ecdh_results[k][0]);\n }\n#endif\n mret = 0;\n end:\n ERR_print_errors(bio_err);\n if (buf_malloc != NULL)\n OPENSSL_free(buf_malloc);\n if (buf2_malloc != NULL)\n OPENSSL_free(buf2_malloc);\n#ifndef OPENSSL_NO_RSA\n for (i = 0; i < RSA_NUM; i++)\n if (rsa_key[i] != NULL)\n RSA_free(rsa_key[i]);\n#endif\n#ifndef OPENSSL_NO_DSA\n for (i = 0; i < DSA_NUM; i++)\n if (dsa_key[i] != NULL)\n DSA_free(dsa_key[i]);\n#endif\n#ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n if (ecdsa[i] != NULL)\n EC_KEY_free(ecdsa[i]);\n#endif\n#ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++) {\n if (ecdh_a[i] != NULL)\n EC_KEY_free(ecdh_a[i]);\n if (ecdh_b[i] != NULL)\n EC_KEY_free(ecdh_b[i]);\n }\n#endif\n apps_shutdown();\n OPENSSL_EXIT(mret);\n}'] |
16,382 | 0 | https://github.com/openssl/openssl/blob/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/err/err.c/#L689 | ERR_STATE *ERR_get_state(void)
{
ERR_STATE *state = NULL;
if (!RUN_ONCE(&err_init, err_do_init))
return NULL;
if (!OPENSSL_init_crypto(0, NULL))
return NULL;
state = CRYPTO_THREAD_get_local(&err_thread_local);
if (state == NULL) {
state = OPENSSL_zalloc(sizeof(*state));
if (state == NULL)
return NULL;
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE)
|| !CRYPTO_THREAD_set_local(&err_thread_local, state)) {
ERR_STATE_free(state);
return NULL;
}
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
}
return state;
} | ['ERR_STATE *ERR_get_state(void)\n{\n ERR_STATE *state = NULL;\n if (!RUN_ONCE(&err_init, err_do_init))\n return NULL;\n if (!OPENSSL_init_crypto(0, NULL))\n return NULL;\n state = CRYPTO_THREAD_get_local(&err_thread_local);\n if (state == NULL) {\n state = OPENSSL_zalloc(sizeof(*state));\n if (state == NULL)\n return NULL;\n if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE)\n || !CRYPTO_THREAD_set_local(&err_thread_local, state)) {\n ERR_STATE_free(state);\n return NULL;\n }\n OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);\n }\n return state;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}', 'void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)\n{\n return pthread_getspecific(*key);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}'] |
16,383 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/engine/eng_lib.c/#L189 | void engine_cleanup_add_last(ENGINE_CLEANUP_CB *cb)
{
ENGINE_CLEANUP_ITEM *item;
if (!int_cleanup_check(1))
return;
item = int_cleanup_item(cb);
if (item)
sk_ENGINE_CLEANUP_ITEM_push(cleanup_stack, item);
} | ['void engine_cleanup_add_last(ENGINE_CLEANUP_CB *cb)\n{\n ENGINE_CLEANUP_ITEM *item;\n if (!int_cleanup_check(1))\n return;\n item = int_cleanup_item(cb);\n if (item)\n sk_ENGINE_CLEANUP_ITEM_push(cleanup_stack, item);\n}', 'static int int_cleanup_check(int create)\n{\n if (cleanup_stack)\n return 1;\n if (!create)\n return 0;\n cleanup_stack = sk_ENGINE_CLEANUP_ITEM_new_null();\n return (cleanup_stack ? 1 : 0);\n}', 'static ENGINE_CLEANUP_ITEM *int_cleanup_item(ENGINE_CLEANUP_CB *cb)\n{\n ENGINE_CLEANUP_ITEM *item = OPENSSL_malloc(sizeof(*item));\n if (item == NULL)\n return NULL;\n item->cb = cb;\n return item;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'DEFINE_STACK_OF(ENGINE_CLEANUP_ITEM)', 'int sk_push(_STACK *st, void *data)\n{\n return (sk_insert(st, data, st->num));\n}', 'int sk_insert(_STACK *st, void *data, int loc)\n{\n char **s;\n if (st == NULL)\n return 0;\n if (st->num_alloc <= st->num + 1) {\n s = OPENSSL_realloc((char *)st->data,\n (unsigned int)sizeof(char *) * st->num_alloc * 2);\n if (s == NULL)\n return (0);\n st->data = s;\n st->num_alloc *= 2;\n }\n if ((loc >= (int)st->num) || (loc < 0))\n st->data[st->num] = data;\n else {\n memmove(&(st->data[loc + 1]),\n &(st->data[loc]), sizeof(char *) * (st->num - loc));\n st->data[loc] = data;\n }\n st->num++;\n st->sorted = 0;\n return (st->num);\n}', 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return CRYPTO_malloc(num, file, line);\n if (num == 0) {\n CRYPTO_free(str);\n return NULL;\n }\n allow_customize = 0;\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n void *ret;\n CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n ret = realloc(str, num);\n CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n return ret;\n }\n#else\n (void)file;\n (void)line;\n#endif\n return realloc(str, num);\n}'] |
16,384 | 0 | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_open_file_cache.c/#L297 | ngx_int_t
ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
ngx_open_file_info_t *of, ngx_pool_t *pool)
{
time_t now;
uint32_t hash;
ngx_int_t rc;
ngx_pool_cleanup_t *cln;
ngx_cached_open_file_t *file;
ngx_pool_cleanup_file_t *clnf;
ngx_open_file_cache_cleanup_t *ofcln;
of->fd = NGX_INVALID_FILE;
of->err = 0;
if (cache == NULL) {
cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));
if (cln == NULL) {
return NGX_ERROR;
}
rc = ngx_open_and_stat_file(name->data, of, pool->log);
if (rc == NGX_OK && !of->is_dir) {
cln->handler = ngx_pool_cleanup_file;
clnf = cln->data;
clnf->fd = of->fd;
clnf->name = name->data;
clnf->log = pool->log;
}
return rc;
}
cln = ngx_pool_cleanup_add(pool, sizeof(ngx_open_file_cache_cleanup_t));
if (cln == NULL) {
return NGX_ERROR;
}
now = ngx_time();
hash = ngx_crc32_long(name->data, name->len);
file = ngx_open_file_lookup(cache, name, hash);
if (file) {
file->uses++;
ngx_queue_remove(&file->queue);
if (file->fd == NGX_INVALID_FILE && file->err == 0 && !file->is_dir) {
rc = ngx_open_and_stat_file(name->data, of, pool->log);
if (rc != NGX_OK && (of->err == 0 || !of->errors)) {
goto failed;
}
goto add_event;
}
if (file->use_event
|| (file->event == NULL
&& (of->uniq == 0 || of->uniq == file->uniq)
&& now - file->created < of->valid))
{
if (file->err == 0) {
of->fd = file->fd;
of->uniq = file->uniq;
of->mtime = file->mtime;
of->size = file->size;
of->is_dir = file->is_dir;
of->is_file = file->is_file;
of->is_link = file->is_link;
of->is_exec = file->is_exec;
of->is_directio = file->is_directio;
if (!file->is_dir) {
file->count++;
ngx_open_file_add_event(cache, file, of, pool->log);
}
} else {
of->err = file->err;
}
goto found;
}
ngx_log_debug4(NGX_LOG_DEBUG_CORE, pool->log, 0,
"retest open file: %s, fd:%d, c:%d, e:%d",
file->name, file->fd, file->count, file->err);
if (file->is_dir) {
of->test_dir = 1;
}
of->fd = file->fd;
of->uniq = file->uniq;
rc = ngx_open_and_stat_file(name->data, of, pool->log);
if (rc != NGX_OK && (of->err == 0 || !of->errors)) {
goto failed;
}
if (of->is_dir) {
if (file->is_dir || file->err) {
goto update;
}
} else if (of->err == 0) {
if (file->is_dir || file->err) {
goto add_event;
}
if (of->uniq == file->uniq) {
file->count++;
if (file->event) {
file->use_event = 1;
}
goto renew;
}
} else {
if (file->err || file->is_dir) {
goto update;
}
}
if (file->count == 0) {
ngx_open_file_del_event(file);
if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,
ngx_close_file_n " \"%s\" failed",
name->data);
}
goto add_event;
}
ngx_rbtree_delete(&cache->rbtree, &file->node);
cache->current--;
file->close = 1;
goto create;
}
rc = ngx_open_and_stat_file(name->data, of, pool->log);
if (rc != NGX_OK && (of->err == 0 || !of->errors)) {
goto failed;
}
create:
if (cache->current >= cache->max) {
ngx_expire_old_cached_files(cache, 0, pool->log);
}
file = ngx_alloc(sizeof(ngx_cached_open_file_t), pool->log);
if (file == NULL) {
goto failed;
}
file->name = ngx_alloc(name->len + 1, pool->log);
if (file->name == NULL) {
ngx_free(file);
file = NULL;
goto failed;
}
ngx_cpystrn(file->name, name->data, name->len + 1);
file->node.key = hash;
ngx_rbtree_insert(&cache->rbtree, &file->node);
cache->current++;
file->uses = 1;
file->count = 0;
file->event = NULL;
add_event:
ngx_open_file_add_event(cache, file, of, pool->log);
update:
file->fd = of->fd;
file->err = of->err;
if (of->err == 0) {
file->uniq = of->uniq;
file->mtime = of->mtime;
file->size = of->size;
file->close = 0;
file->is_dir = of->is_dir;
file->is_file = of->is_file;
file->is_link = of->is_link;
file->is_exec = of->is_exec;
file->is_directio = of->is_directio;
if (!of->is_dir) {
file->count++;
}
}
renew:
file->created = now;
found:
file->accessed = now;
ngx_queue_insert_head(&cache->expire_queue, &file->queue);
ngx_log_debug5(NGX_LOG_DEBUG_CORE, pool->log, 0,
"cached open file: %s, fd:%d, c:%d, e:%d, u:%d",
file->name, file->fd, file->count, file->err, file->uses);
if (of->err == 0) {
if (!of->is_dir) {
cln->handler = ngx_open_file_cleanup;
ofcln = cln->data;
ofcln->cache = cache;
ofcln->file = file;
ofcln->min_uses = of->min_uses;
ofcln->log = pool->log;
}
return NGX_OK;
}
return NGX_ERROR;
failed:
if (file) {
ngx_rbtree_delete(&cache->rbtree, &file->node);
cache->current--;
if (file->count == 0) {
if (file->fd != NGX_INVALID_FILE) {
if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,
ngx_close_file_n " \"%s\" failed",
file->name);
}
}
ngx_free(file->name);
ngx_free(file);
} else {
file->close = 1;
}
}
if (of->fd != NGX_INVALID_FILE) {
if (ngx_close_file(of->fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,
ngx_close_file_n " \"%s\" failed", name->data);
}
}
return NGX_ERROR;
} | ['ngx_int_t\nngx_http_file_cache_open(ngx_http_request_t *r)\n{\n u_char *p;\n time_t now;\n ssize_t n;\n ngx_int_t rc, rv;\n ngx_uint_t cold, test;\n ngx_path_t *path;\n ngx_http_cache_t *c;\n ngx_pool_cleanup_t *cln;\n ngx_open_file_info_t of;\n ngx_http_file_cache_t *cache;\n ngx_http_core_loc_conf_t *clcf;\n ngx_http_file_cache_header_t *h;\n c = r->cache;\n cache = c->file_cache;\n cln = ngx_pool_cleanup_add(r->pool, 0);\n if (cln == NULL) {\n return NGX_ERROR;\n }\n rc = ngx_http_file_cache_exists(cache, c);\n ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache exists: %i u:%ui e:%d",\n rc, c->uses, c->exists);\n if (rc == NGX_ERROR) {\n return rc;\n }\n cln->handler = ngx_http_file_cache_cleanup;\n cln->data = c;\n if (rc == NGX_AGAIN) {\n return rc;\n }\n cold = *cache->cold;\n if (rc == NGX_OK) {\n if (c->error) {\n return c->error;\n }\n c->temp_file = 1;\n test = c->exists ? 1 : 0;\n rv = NGX_DECLINED;\n } else {\n if (c->min_uses > 1) {\n if (!cold) {\n return NGX_AGAIN;\n }\n test = 1;\n rv = NGX_AGAIN;\n } else {\n c->temp_file = 1;\n test = cold ? 1 : 0;\n rv = NGX_DECLINED;\n }\n }\n path = cache->path;\n c->file.name.len = path->name.len + 1 + path->len\n + 2 * NGX_HTTP_CACHE_KEY_LEN;\n c->file.name.data = ngx_pnalloc(r->pool, c->file.name.len + 1);\n if (c->file.name.data == NULL) {\n return NGX_ERROR;\n }\n ngx_memcpy(c->file.name.data, path->name.data, path->name.len);\n p = c->file.name.data + path->name.len + 1 + path->len;\n p = ngx_hex_dump(p, c->key, NGX_HTTP_CACHE_KEY_LEN);\n *p = \'\\0\';\n ngx_create_hashed_filename(path, c->file.name.data, c->file.name.len);\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,\n "cache file: \\"%s\\"", c->file.name.data);\n if (!test) {\n return NGX_DECLINED;\n }\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n ngx_memzero(&of, sizeof(ngx_open_file_info_t));\n of.uniq = c->uniq;\n of.valid = clcf->open_file_cache_valid;\n of.min_uses = clcf->open_file_cache_min_uses;\n of.events = clcf->open_file_cache_events;\n of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;\n if (ngx_open_cached_file(clcf->open_file_cache, &c->file.name, &of, r->pool)\n != NGX_OK)\n {\n switch (of.err) {\n case 0:\n return NGX_ERROR;\n case NGX_ENOENT:\n case NGX_ENOTDIR:\n return rv;\n default:\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,\n ngx_open_file_n " \\"%s\\" failed", c->file.name.data);\n return NGX_ERROR;\n }\n }\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache fd: %d", of.fd);\n c->file.fd = of.fd;\n c->file.log = r->connection->log;\n c->buf = ngx_create_temp_buf(r->pool, c->body_start);\n if (c->buf == NULL) {\n return NGX_ERROR;\n }\n n = ngx_read_file(&c->file, c->buf->pos, c->body_start, 0);\n if (n == NGX_ERROR) {\n return n;\n }\n if ((size_t) n <= c->header_start) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" is too small", c->file.name.data);\n return NGX_ERROR;\n }\n h = (ngx_http_file_cache_header_t *) c->buf->pos;\n if (h->crc32 != c->crc32 || (size_t) h->header_start != c->header_start) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" has md5 collision", c->file.name.data);\n return NGX_DECLINED;\n }\n c->buf->last += n;\n c->valid_sec = h->valid_sec;\n c->last_modified = h->last_modified;\n c->date = h->date;\n c->valid_msec = h->valid_msec;\n c->length = of.size;\n c->body_start = h->body_start;\n r->cached = 1;\n if (cold) {\n ngx_shmtx_lock(&cache->shpool->mutex);\n if (!c->node->exists) {\n c->node->uses = 1;\n c->node->body_start = c->body_start;\n c->node->exists = 1;\n *cache->size += (c->length + cache->bsize - 1) / cache->bsize;\n }\n ngx_shmtx_unlock(&cache->shpool->mutex);\n }\n now = ngx_time();\n if (c->valid_sec < now) {\n c->uses = c->min_uses;\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache expired: %T %T", c->valid_sec, now);\n return NGX_HTTP_CACHE_STALE;\n }\n return NGX_OK;\n}', 'ngx_int_t\nngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,\n ngx_open_file_info_t *of, ngx_pool_t *pool)\n{\n time_t now;\n uint32_t hash;\n ngx_int_t rc;\n ngx_pool_cleanup_t *cln;\n ngx_cached_open_file_t *file;\n ngx_pool_cleanup_file_t *clnf;\n ngx_open_file_cache_cleanup_t *ofcln;\n of->fd = NGX_INVALID_FILE;\n of->err = 0;\n if (cache == NULL) {\n cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));\n if (cln == NULL) {\n return NGX_ERROR;\n }\n rc = ngx_open_and_stat_file(name->data, of, pool->log);\n if (rc == NGX_OK && !of->is_dir) {\n cln->handler = ngx_pool_cleanup_file;\n clnf = cln->data;\n clnf->fd = of->fd;\n clnf->name = name->data;\n clnf->log = pool->log;\n }\n return rc;\n }\n cln = ngx_pool_cleanup_add(pool, sizeof(ngx_open_file_cache_cleanup_t));\n if (cln == NULL) {\n return NGX_ERROR;\n }\n now = ngx_time();\n hash = ngx_crc32_long(name->data, name->len);\n file = ngx_open_file_lookup(cache, name, hash);\n if (file) {\n file->uses++;\n ngx_queue_remove(&file->queue);\n if (file->fd == NGX_INVALID_FILE && file->err == 0 && !file->is_dir) {\n rc = ngx_open_and_stat_file(name->data, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\n goto add_event;\n }\n if (file->use_event\n || (file->event == NULL\n && (of->uniq == 0 || of->uniq == file->uniq)\n && now - file->created < of->valid))\n {\n if (file->err == 0) {\n of->fd = file->fd;\n of->uniq = file->uniq;\n of->mtime = file->mtime;\n of->size = file->size;\n of->is_dir = file->is_dir;\n of->is_file = file->is_file;\n of->is_link = file->is_link;\n of->is_exec = file->is_exec;\n of->is_directio = file->is_directio;\n if (!file->is_dir) {\n file->count++;\n ngx_open_file_add_event(cache, file, of, pool->log);\n }\n } else {\n of->err = file->err;\n }\n goto found;\n }\n ngx_log_debug4(NGX_LOG_DEBUG_CORE, pool->log, 0,\n "retest open file: %s, fd:%d, c:%d, e:%d",\n file->name, file->fd, file->count, file->err);\n if (file->is_dir) {\n of->test_dir = 1;\n }\n of->fd = file->fd;\n of->uniq = file->uniq;\n rc = ngx_open_and_stat_file(name->data, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\n if (of->is_dir) {\n if (file->is_dir || file->err) {\n goto update;\n }\n } else if (of->err == 0) {\n if (file->is_dir || file->err) {\n goto add_event;\n }\n if (of->uniq == file->uniq) {\n file->count++;\n if (file->event) {\n file->use_event = 1;\n }\n goto renew;\n }\n } else {\n if (file->err || file->is_dir) {\n goto update;\n }\n }\n if (file->count == 0) {\n ngx_open_file_del_event(file);\n if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%s\\" failed",\n name->data);\n }\n goto add_event;\n }\n ngx_rbtree_delete(&cache->rbtree, &file->node);\n cache->current--;\n file->close = 1;\n goto create;\n }\n rc = ngx_open_and_stat_file(name->data, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\ncreate:\n if (cache->current >= cache->max) {\n ngx_expire_old_cached_files(cache, 0, pool->log);\n }\n file = ngx_alloc(sizeof(ngx_cached_open_file_t), pool->log);\n if (file == NULL) {\n goto failed;\n }\n file->name = ngx_alloc(name->len + 1, pool->log);\n if (file->name == NULL) {\n ngx_free(file);\n file = NULL;\n goto failed;\n }\n ngx_cpystrn(file->name, name->data, name->len + 1);\n file->node.key = hash;\n ngx_rbtree_insert(&cache->rbtree, &file->node);\n cache->current++;\n file->uses = 1;\n file->count = 0;\n file->event = NULL;\nadd_event:\n ngx_open_file_add_event(cache, file, of, pool->log);\nupdate:\n file->fd = of->fd;\n file->err = of->err;\n if (of->err == 0) {\n file->uniq = of->uniq;\n file->mtime = of->mtime;\n file->size = of->size;\n file->close = 0;\n file->is_dir = of->is_dir;\n file->is_file = of->is_file;\n file->is_link = of->is_link;\n file->is_exec = of->is_exec;\n file->is_directio = of->is_directio;\n if (!of->is_dir) {\n file->count++;\n }\n }\nrenew:\n file->created = now;\nfound:\n file->accessed = now;\n ngx_queue_insert_head(&cache->expire_queue, &file->queue);\n ngx_log_debug5(NGX_LOG_DEBUG_CORE, pool->log, 0,\n "cached open file: %s, fd:%d, c:%d, e:%d, u:%d",\n file->name, file->fd, file->count, file->err, file->uses);\n if (of->err == 0) {\n if (!of->is_dir) {\n cln->handler = ngx_open_file_cleanup;\n ofcln = cln->data;\n ofcln->cache = cache;\n ofcln->file = file;\n ofcln->min_uses = of->min_uses;\n ofcln->log = pool->log;\n }\n return NGX_OK;\n }\n return NGX_ERROR;\nfailed:\n if (file) {\n ngx_rbtree_delete(&cache->rbtree, &file->node);\n cache->current--;\n if (file->count == 0) {\n if (file->fd != NGX_INVALID_FILE) {\n if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%s\\" failed",\n file->name);\n }\n }\n ngx_free(file->name);\n ngx_free(file);\n } else {\n file->close = 1;\n }\n }\n if (of->fd != NGX_INVALID_FILE) {\n if (ngx_close_file(of->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%s\\" failed", name->data);\n }\n }\n return NGX_ERROR;\n}'] |
16,385 | 1 | https://github.com/openssl/openssl/blob/3da2e9c4ee45989a426ff513dc6c6250d1e460de/crypto/bn/bn_shift.c/#L112 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return 0;
r->neg = a->neg;
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return 1;
} | ['static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in,\n BIGNUM **kinvp, BIGNUM **rp,\n const unsigned char *dgst, int dlen)\n{\n BN_CTX *ctx = NULL;\n BIGNUM *k = NULL, *r = NULL, *X = NULL;\n const BIGNUM *order;\n EC_POINT *tmp_point = NULL;\n const EC_GROUP *group;\n int ret = 0;\n int order_bits;\n if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);\n return 0;\n }\n if (!EC_KEY_can_sign(eckey)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING);\n return 0;\n }\n if ((ctx = ctx_in) == NULL) {\n if ((ctx = BN_CTX_new()) == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n }\n k = BN_new();\n r = BN_new();\n X = BN_new();\n if (k == NULL || r == NULL || X == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if ((tmp_point = EC_POINT_new(group)) == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n order = EC_GROUP_get0_order(group);\n order_bits = BN_num_bits(order);\n if (!BN_set_bit(k, order_bits)\n || !BN_set_bit(r, order_bits)\n || !BN_set_bit(X, order_bits))\n goto err;\n do {\n do {\n if (dgst != NULL) {\n if (!BN_generate_dsa_nonce(k, order,\n EC_KEY_get0_private_key(eckey),\n dgst, dlen, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP,\n EC_R_RANDOM_NUMBER_GENERATION_FAILED);\n goto err;\n }\n } else {\n if (!BN_priv_rand_range(k, order)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP,\n EC_R_RANDOM_NUMBER_GENERATION_FAILED);\n goto err;\n }\n }\n } while (BN_is_zero(k));\n if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n if (!EC_POINT_get_affine_coordinates(group, tmp_point, X, NULL, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n if (!BN_nnmod(r, X, order, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n } while (BN_is_zero(r));\n if (!ec_group_do_inverse_ord(group, k, k, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n BN_clear_free(*rp);\n BN_clear_free(*kinvp);\n *rp = r;\n *kinvp = k;\n ret = 1;\n err:\n if (!ret) {\n BN_clear_free(k);\n BN_clear_free(r);\n }\n if (ctx != ctx_in)\n BN_CTX_free(ctx);\n EC_POINT_free(tmp_point);\n BN_clear_free(X);\n return ret;\n}', 'int BN_set_bit(BIGNUM *a, int n)\n{\n int i, j, k;\n if (n < 0)\n return 0;\n i = n / BN_BITS2;\n j = n % BN_BITS2;\n if (a->top <= i) {\n if (bn_wexpand(a, i + 1) == NULL)\n return 0;\n for (k = a->top; k < i + 1; k++)\n a->d[k] = 0;\n a->top = i + 1;\n a->flags &= ~BN_FLG_FIXED_TOP;\n }\n a->d[i] |= (((BN_ULONG)1) << j);\n bn_check_top(a);\n return 1;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.flags = BN_FLG_STATIC_DATA;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n l0 = bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum.d, wnum.d, tmp->d, div_n);\n (*wnump) += l0;\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return 0;\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,386 | 0 | https://github.com/libav/libav/blob/e4e30256f87f177decf59b59e923d05ef64147df/libavcodec/cook.c/#L754 | static void decouple_info(COOKContext *q, COOKSubpacket *p, int *decouple_tab)
{
int i;
int vlc = get_bits1(&q->gb);
int start = cplband[p->js_subband_start];
int end = cplband[p->subbands - 1];
int length = end - start + 1;
if (start > end)
return;
if (vlc)
for (i = 0; i < length; i++)
decouple_tab[start + i] = get_vlc2(&q->gb, p->ccpl.table, p->ccpl.bits, 2);
else
for (i = 0; i < length; i++)
decouple_tab[start + i] = get_bits(&q->gb, p->js_vlc_bits);
} | ['static int cook_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame_ptr, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n COOKContext *q = avctx->priv_data;\n float *samples = NULL;\n int i, ret;\n int offset = 0;\n int chidx = 0;\n if (buf_size < avctx->block_align)\n return buf_size;\n if (q->discarded_packets >= 2) {\n q->frame.nb_samples = q->samples_per_channel;\n if ((ret = avctx->get_buffer(avctx, &q->frame)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return ret;\n }\n samples = (float *) q->frame.data[0];\n }\n q->subpacket[0].size = avctx->block_align;\n for (i = 1; i < q->num_subpackets; i++) {\n q->subpacket[i].size = 2 * buf[avctx->block_align - q->num_subpackets + i];\n q->subpacket[0].size -= q->subpacket[i].size + 1;\n if (q->subpacket[0].size < 0) {\n av_log(avctx, AV_LOG_DEBUG,\n "frame subpacket size total > avctx->block_align!\\n");\n return AVERROR_INVALIDDATA;\n }\n }\n for (i = 0; i < q->num_subpackets; i++) {\n q->subpacket[i].bits_per_subpacket = (q->subpacket[i].size * 8) >>\n q->subpacket[i].bits_per_subpdiv;\n q->subpacket[i].ch_idx = chidx;\n av_log(avctx, AV_LOG_DEBUG,\n "subpacket[%i] size %i js %i %i block_align %i\\n",\n i, q->subpacket[i].size, q->subpacket[i].joint_stereo, offset,\n avctx->block_align);\n decode_subpacket(q, &q->subpacket[i], buf + offset, samples);\n offset += q->subpacket[i].size;\n chidx += q->subpacket[i].num_channels;\n av_log(avctx, AV_LOG_DEBUG, "subpacket[%i] %i %i\\n",\n i, q->subpacket[i].size * 8, get_bits_count(&q->gb));\n }\n if (q->discarded_packets < 2) {\n q->discarded_packets++;\n *got_frame_ptr = 0;\n return avctx->block_align;\n }\n *got_frame_ptr = 1;\n *(AVFrame *) data = q->frame;\n return avctx->block_align;\n}', 'static void decode_subpacket(COOKContext *q, COOKSubpacket *p,\n const uint8_t *inbuffer, float *outbuffer)\n{\n int sub_packet_size = p->size;\n memset(q->decode_buffer_1, 0, sizeof(q->decode_buffer_1));\n decode_bytes_and_gain(q, p, inbuffer, &p->gains1);\n if (p->joint_stereo) {\n joint_decode(q, p, q->decode_buffer_1, q->decode_buffer_2);\n } else {\n mono_decode(q, p, q->decode_buffer_1);\n if (p->num_channels == 2) {\n decode_bytes_and_gain(q, p, inbuffer + sub_packet_size / 2, &p->gains2);\n mono_decode(q, p, q->decode_buffer_2);\n }\n }\n mlt_compensate_output(q, q->decode_buffer_1, &p->gains1,\n p->mono_previous_buffer1, outbuffer, p->ch_idx);\n if (p->num_channels == 2)\n if (p->joint_stereo)\n mlt_compensate_output(q, q->decode_buffer_2, &p->gains1,\n p->mono_previous_buffer2, outbuffer, p->ch_idx + 1);\n else\n mlt_compensate_output(q, q->decode_buffer_2, &p->gains2,\n p->mono_previous_buffer2, outbuffer, p->ch_idx + 1);\n}', 'static void joint_decode(COOKContext *q, COOKSubpacket *p, float *mlt_buffer1,\n float *mlt_buffer2)\n{\n int i, j;\n int decouple_tab[SUBBAND_SIZE];\n float *decode_buffer = q->decode_buffer_0;\n int idx, cpl_tmp;\n float f1, f2;\n const float *cplscale;\n memset(decouple_tab, 0, sizeof(decouple_tab));\n memset(decode_buffer, 0, sizeof(q->decode_buffer_0));\n memset(mlt_buffer1, 0, 1024 * sizeof(*mlt_buffer1));\n memset(mlt_buffer2, 0, 1024 * sizeof(*mlt_buffer2));\n decouple_info(q, p, decouple_tab);\n mono_decode(q, p, decode_buffer);\n for (i = 0; i < p->js_subband_start; i++) {\n for (j = 0; j < SUBBAND_SIZE; j++) {\n mlt_buffer1[i * 20 + j] = decode_buffer[i * 40 + j];\n mlt_buffer2[i * 20 + j] = decode_buffer[i * 40 + 20 + j];\n }\n }\n idx = (1 << p->js_vlc_bits) - 1;\n for (i = p->js_subband_start; i < p->subbands; i++) {\n cpl_tmp = cplband[i];\n idx -= decouple_tab[cpl_tmp];\n cplscale = q->cplscales[p->js_vlc_bits - 2];\n f1 = cplscale[decouple_tab[cpl_tmp]];\n f2 = cplscale[idx - 1];\n q->decouple(q, p, i, f1, f2, decode_buffer, mlt_buffer1, mlt_buffer2);\n idx = (1 << p->js_vlc_bits) - 1;\n }\n}', 'static void decouple_info(COOKContext *q, COOKSubpacket *p, int *decouple_tab)\n{\n int i;\n int vlc = get_bits1(&q->gb);\n int start = cplband[p->js_subband_start];\n int end = cplband[p->subbands - 1];\n int length = end - start + 1;\n if (start > end)\n return;\n if (vlc)\n for (i = 0; i < length; i++)\n decouple_tab[start + i] = get_vlc2(&q->gb, p->ccpl.table, p->ccpl.bits, 2);\n else\n for (i = 0; i < length; i++)\n decouple_tab[start + i] = get_bits(&q->gb, p->js_vlc_bits);\n}'] |
16,387 | 0 | https://github.com/openssl/openssl/blob/05ec6a25f80ac8edfb7d7cb764d2dd68156a6965/crypto/lhash/lhash.c/#L123 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | ['int tls_construct_client_key_exchange(SSL *s)\n{\n unsigned char *p;\n int len;\n size_t pskhdrlen = 0;\n unsigned long alg_k;\n int al = -1;\n alg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n p = ssl_handshake_start(s);\n if ((alg_k & SSL_PSK)\n && !tls_construct_cke_psk_preamble(s, &p, &pskhdrlen, &al))\n goto err;\n if (alg_k & SSL_kPSK) {\n len = 0;\n } else if (alg_k & (SSL_kRSA | SSL_kRSAPSK)) {\n if (!tls_construct_cke_rsa(s, &p, &len, &al))\n goto err;\n } else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {\n if (!tls_construct_cke_dhe(s, &p, &len, &al))\n goto err;\n } else if (alg_k & (SSL_kECDHE | SSL_kECDHEPSK)) {\n if (!tls_construct_cke_ecdhe(s, &p, &len, &al))\n goto err;\n } else if (alg_k & SSL_kGOST) {\n if (!tls_construct_cke_gost(s, &p, &len, &al))\n goto err;\n } else if (alg_k & SSL_kSRP) {\n if (!tls_construct_cke_srp(s, &p, &len, &al))\n goto err;\n } else {\n ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n len += pskhdrlen;\n if (!ssl_set_handshake_header(s, SSL3_MT_CLIENT_KEY_EXCHANGE, len)) {\n ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n return 1;\n err:\n if (al != -1)\n ssl3_send_alert(s, SSL3_AL_FATAL, al);\n OPENSSL_clear_free(s->s3->tmp.pms, s->s3->tmp.pmslen);\n s->s3->tmp.pms = NULL;\n#ifndef OPENSSL_NO_PSK\n OPENSSL_clear_free(s->s3->tmp.psk, s->s3->tmp.psklen);\n s->s3->tmp.psk = NULL;\n#endif\n ossl_statem_set_error(s);\n return 0;\n}', 'int ssl3_send_alert(SSL *s, int level, int desc)\n{\n desc = s->method->ssl3_enc->alert_value(desc);\n if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)\n desc = SSL_AD_HANDSHAKE_FAILURE;\n if (desc < 0)\n return -1;\n if ((level == SSL3_AL_FATAL) && (s->session != NULL))\n SSL_CTX_remove_session(s->session_ctx, s->session);\n s->s3->alert_dispatch = 1;\n s->s3->send_alert[0] = level;\n s->s3->send_alert[1] = desc;\n if (!RECORD_LAYER_write_pending(&s->rlayer)) {\n return s->method->ssl_dispatch_alert(s);\n }\n return -1;\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_THREAD_write_lock(ctx->lock);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n if (lck)\n CRYPTO_THREAD_unlock(ctx->lock);\n if (ret) {\n r->not_resumable = 1;\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, r);\n SSL_SESSION_free(r);\n }\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}'] |
16,388 | 0 | https://github.com/libav/libav/blob/bb4afa13dd3264832bc379bbfefe1db8cf4f0e40/libavcodec/wmaenc.c/#L48 | static int encode_init(AVCodecContext * avctx){
WMACodecContext *s = avctx->priv_data;
int i, flags1, flags2;
uint8_t *extradata;
s->avctx = avctx;
if(avctx->channels > MAX_CHANNELS)
return -1;
if(avctx->bit_rate < 24*1000)
return -1;
flags1 = 0;
flags2 = 1;
if (avctx->codec->id == CODEC_ID_WMAV1) {
extradata= av_malloc(4);
avctx->extradata_size= 4;
AV_WL16(extradata, flags1);
AV_WL16(extradata+2, flags2);
} else if (avctx->codec->id == CODEC_ID_WMAV2) {
extradata= av_mallocz(10);
avctx->extradata_size= 10;
AV_WL32(extradata, flags1);
AV_WL16(extradata+4, flags2);
}else
assert(0);
avctx->extradata= extradata;
s->use_exp_vlc = flags2 & 0x0001;
s->use_bit_reservoir = flags2 & 0x0002;
s->use_variable_block_len = flags2 & 0x0004;
ff_wma_init(avctx, flags2);
for(i = 0; i < s->nb_block_sizes; i++)
ff_mdct_init(&s->mdct_ctx[i], s->frame_len_bits - i + 1, 0, 1.0);
avctx->block_align=
s->block_align= avctx->bit_rate*(int64_t)s->frame_len / (avctx->sample_rate*8);
avctx->frame_size= s->frame_len;
return 0;
} | ['static int encode_init(AVCodecContext * avctx){\n WMACodecContext *s = avctx->priv_data;\n int i, flags1, flags2;\n uint8_t *extradata;\n s->avctx = avctx;\n if(avctx->channels > MAX_CHANNELS)\n return -1;\n if(avctx->bit_rate < 24*1000)\n return -1;\n flags1 = 0;\n flags2 = 1;\n if (avctx->codec->id == CODEC_ID_WMAV1) {\n extradata= av_malloc(4);\n avctx->extradata_size= 4;\n AV_WL16(extradata, flags1);\n AV_WL16(extradata+2, flags2);\n } else if (avctx->codec->id == CODEC_ID_WMAV2) {\n extradata= av_mallocz(10);\n avctx->extradata_size= 10;\n AV_WL32(extradata, flags1);\n AV_WL16(extradata+4, flags2);\n }else\n assert(0);\n avctx->extradata= extradata;\n s->use_exp_vlc = flags2 & 0x0001;\n s->use_bit_reservoir = flags2 & 0x0002;\n s->use_variable_block_len = flags2 & 0x0004;\n ff_wma_init(avctx, flags2);\n for(i = 0; i < s->nb_block_sizes; i++)\n ff_mdct_init(&s->mdct_ctx[i], s->frame_len_bits - i + 1, 0, 1.0);\n avctx->block_align=\n s->block_align= avctx->bit_rate*(int64_t)s->frame_len / (avctx->sample_rate*8);\n avctx->frame_size= s->frame_len;\n return 0;\n}', 'void *av_malloc(FF_INTERNAL_MEM_TYPE size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
16,389 | 0 | https://github.com/libav/libav/blob/feed239021bad89743d5e7989b426ae594322eb7/libavfilter/vf_yadif.c/#L480 | static int config_props(AVFilterLink *link)
{
YADIFContext *s = link->src->priv;
link->time_base.num = link->src->inputs[0]->time_base.num;
link->time_base.den = link->src->inputs[0]->time_base.den * 2;
link->w = link->src->inputs[0]->w;
link->h = link->src->inputs[0]->h;
if (s->mode & 1)
link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate,
(AVRational){2, 1});
s->csp = av_pix_fmt_desc_get(link->format);
if (s->csp->comp[0].depth > 8) {
s->filter_line = filter_line_c_16bit;
s->filter_edges = filter_edges_16bit;
} else {
s->filter_line = filter_line_c;
s->filter_edges = filter_edges;
if (ARCH_X86)
ff_yadif_init_x86(s);
}
return 0;
} | ['static int config_props(AVFilterLink *link)\n{\n YADIFContext *s = link->src->priv;\n link->time_base.num = link->src->inputs[0]->time_base.num;\n link->time_base.den = link->src->inputs[0]->time_base.den * 2;\n link->w = link->src->inputs[0]->w;\n link->h = link->src->inputs[0]->h;\n if (s->mode & 1)\n link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate,\n (AVRational){2, 1});\n s->csp = av_pix_fmt_desc_get(link->format);\n if (s->csp->comp[0].depth > 8) {\n s->filter_line = filter_line_c_16bit;\n s->filter_edges = filter_edges_16bit;\n } else {\n s->filter_line = filter_line_c;\n s->filter_edges = filter_edges;\n if (ARCH_X86)\n ff_yadif_init_x86(s);\n }\n return 0;\n}', 'AVRational av_mul_q(AVRational b, AVRational c)\n{\n av_reduce(&b.num, &b.den,\n b.num * (int64_t) c.num,\n b.den * (int64_t) c.den, INT_MAX);\n return b;\n}', 'const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)\n{\n if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)\n return NULL;\n return &av_pix_fmt_descriptors[pix_fmt];\n}'] |
16,390 | 0 | https://github.com/openssl/openssl/blob/3b1fb1a0226e29c9d7c79ff7fbde21ef9cac4deb/crypto/cms/cms_enc.c/#L160 | BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
{
BIO *b;
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *ciph;
X509_ALGOR *calg = ec->contentEncryptionAlgorithm;
unsigned char iv[EVP_MAX_IV_LENGTH], *piv = NULL;
unsigned char *tkey = NULL;
size_t tkeylen;
int ok = 0;
int enc, keep_key = 0;
enc = ec->cipher ? 1 : 0;
b = BIO_new(BIO_f_cipher());
if (!b)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
ERR_R_MALLOC_FAILURE);
return NULL;
}
BIO_get_cipher_ctx(b, &ctx);
if (enc)
{
ciph = ec->cipher;
if (ec->key)
ec->cipher = NULL;
}
else
{
ciph = EVP_get_cipherbyobj(calg->algorithm);
if (!ciph)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_UNKNOWN_CIPHER);
goto err;
}
}
if (EVP_CipherInit_ex(ctx, ciph, NULL, NULL, NULL, enc) <= 0)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_INITIALISATION_ERROR);
goto err;
}
if (enc)
{
int ivlen;
calg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(ctx));
ivlen = EVP_CIPHER_CTX_iv_length(ctx);
if (ivlen > 0)
{
if (RAND_pseudo_bytes(iv, ivlen) <= 0)
goto err;
piv = iv;
}
}
else if (EVP_CIPHER_asn1_to_param(ctx, calg->parameter) <= 0)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
goto err;
}
if (!enc || !ec->key)
{
tkeylen = EVP_CIPHER_CTX_key_length(ctx);
tkey = OPENSSL_malloc(tkeylen);
if (!tkey)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_CIPHER_CTX_rand_key(ctx, tkey) <= 0)
goto err;
}
if (!ec->key)
{
ec->key = tkey;
ec->keylen = tkeylen;
tkey = NULL;
if (enc)
keep_key = 1;
else
ERR_clear_error();
}
if (ec->keylen != tkeylen)
{
if (EVP_CIPHER_CTX_set_key_length(ctx, ec->keylen) <= 0)
{
if (ec->debug)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_INVALID_KEY_LENGTH);
goto err;
}
else
{
OPENSSL_cleanse(ec->key, ec->keylen);
OPENSSL_free(ec->key);
ec->key = tkey;
ec->keylen = tkeylen;
tkey = NULL;
ERR_clear_error();
}
}
}
if (EVP_CipherInit_ex(ctx, NULL, NULL, ec->key, piv, enc) <= 0)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_INITIALISATION_ERROR);
goto err;
}
if (piv)
{
calg->parameter = ASN1_TYPE_new();
if (!calg->parameter)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_CIPHER_param_to_asn1(ctx, calg->parameter) <= 0)
{
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
goto err;
}
}
ok = 1;
err:
if (ec->key && !keep_key)
{
OPENSSL_cleanse(ec->key, ec->keylen);
OPENSSL_free(ec->key);
ec->key = NULL;
}
if (tkey)
{
OPENSSL_cleanse(tkey, tkeylen);
OPENSSL_free(tkey);
}
if (ok)
return b;
BIO_free(b);
return NULL;
} | ['BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)\n\t{\n\tBIO *b;\n\tEVP_CIPHER_CTX *ctx;\n\tconst EVP_CIPHER *ciph;\n\tX509_ALGOR *calg = ec->contentEncryptionAlgorithm;\n\tunsigned char iv[EVP_MAX_IV_LENGTH], *piv = NULL;\n\tunsigned char *tkey = NULL;\n\tsize_t tkeylen;\n\tint ok = 0;\n\tint enc, keep_key = 0;\n\tenc = ec->cipher ? 1 : 0;\n\tb = BIO_new(BIO_f_cipher());\n\tif (!b)\n\t\t{\n\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t\t}\n\tBIO_get_cipher_ctx(b, &ctx);\n\tif (enc)\n\t\t{\n\t\tciph = ec->cipher;\n\t\tif (ec->key)\n\t\t\tec->cipher = NULL;\n\t\t}\n\telse\n\t\t{\n\t\tciph = EVP_get_cipherbyobj(calg->algorithm);\n\t\tif (!ciph)\n\t\t\t{\n\t\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\t\t\t\tCMS_R_UNKNOWN_CIPHER);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (EVP_CipherInit_ex(ctx, ciph, NULL, NULL, NULL, enc) <= 0)\n\t\t{\n\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\tCMS_R_CIPHER_INITIALISATION_ERROR);\n\t\tgoto err;\n\t\t}\n\tif (enc)\n\t\t{\n\t\tint ivlen;\n\t\tcalg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(ctx));\n\t\tivlen = EVP_CIPHER_CTX_iv_length(ctx);\n\t\tif (ivlen > 0)\n\t\t\t{\n\t\t\tif (RAND_pseudo_bytes(iv, ivlen) <= 0)\n\t\t\t\tgoto err;\n\t\t\tpiv = iv;\n\t\t\t}\n\t\t}\n\telse if (EVP_CIPHER_asn1_to_param(ctx, calg->parameter) <= 0)\n\t\t{\n\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\tCMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);\n\t\tgoto err;\n\t\t}\n\tif (!enc || !ec->key)\n\t\t{\n\t\ttkeylen = EVP_CIPHER_CTX_key_length(ctx);\n\t\ttkey = OPENSSL_malloc(tkeylen);\n\t\tif (!tkey)\n\t\t\t{\n\t\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (EVP_CIPHER_CTX_rand_key(ctx, tkey) <= 0)\n\t\t\tgoto err;\n\t\t}\n\tif (!ec->key)\n\t\t{\n\t\tec->key = tkey;\n\t\tec->keylen = tkeylen;\n\t\ttkey = NULL;\n\t\tif (enc)\n\t\t\tkeep_key = 1;\n\t\telse\n\t\t\tERR_clear_error();\n\t\t}\n\tif (ec->keylen != tkeylen)\n\t\t{\n\t\tif (EVP_CIPHER_CTX_set_key_length(ctx, ec->keylen) <= 0)\n\t\t\t{\n\t\t\tif (ec->debug)\n\t\t\t\t{\n\t\t\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\t\t\tCMS_R_INVALID_KEY_LENGTH);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tOPENSSL_cleanse(ec->key, ec->keylen);\n\t\t\t\tOPENSSL_free(ec->key);\n\t\t\t\tec->key = tkey;\n\t\t\t\tec->keylen = tkeylen;\n\t\t\t\ttkey = NULL;\n\t\t\t\tERR_clear_error();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (EVP_CipherInit_ex(ctx, NULL, NULL, ec->key, piv, enc) <= 0)\n\t\t{\n\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\tCMS_R_CIPHER_INITIALISATION_ERROR);\n\t\tgoto err;\n\t\t}\n\tif (piv)\n\t\t{\n\t\tcalg->parameter = ASN1_TYPE_new();\n\t\tif (!calg->parameter)\n\t\t\t{\n\t\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (EVP_CIPHER_param_to_asn1(ctx, calg->parameter) <= 0)\n\t\t\t{\n\t\t\tCMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,\n\t\t\t\tCMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tok = 1;\n\terr:\n\tif (ec->key && !keep_key)\n\t\t{\n\t\tOPENSSL_cleanse(ec->key, ec->keylen);\n\t\tOPENSSL_free(ec->key);\n\t\tec->key = NULL;\n\t\t}\n\tif (tkey)\n\t\t{\n\t\tOPENSSL_cleanse(tkey, tkeylen);\n\t\tOPENSSL_free(tkey);\n\t\t}\n\tif (ok)\n\t\treturn b;\n\tBIO_free(b);\n\treturn NULL;\n\t}'] |
16,391 | 0 | https://github.com/openssl/openssl/blob/79a578b90244b890c8a6a8fc26c03943da71c054/crypto/pkcs7/pk7_doit.c/#L1102 | PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
{
STACK_OF(PKCS7_RECIP_INFO) *rsk;
PKCS7_RECIP_INFO *ri;
int i;
i = OBJ_obj2nid(p7->type);
if (i != NID_pkcs7_signedAndEnveloped)
return NULL;
if (p7->d.signed_and_enveloped == NULL)
return NULL;
rsk = p7->d.signed_and_enveloped->recipientinfo;
if (rsk == NULL)
return NULL;
ri = sk_PKCS7_RECIP_INFO_value(rsk, 0);
if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx)
return (NULL);
ri = sk_PKCS7_RECIP_INFO_value(rsk, idx);
return (ri->issuer_and_serial);
} | ['PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)\n{\n STACK_OF(PKCS7_RECIP_INFO) *rsk;\n PKCS7_RECIP_INFO *ri;\n int i;\n i = OBJ_obj2nid(p7->type);\n if (i != NID_pkcs7_signedAndEnveloped)\n return NULL;\n if (p7->d.signed_and_enveloped == NULL)\n return NULL;\n rsk = p7->d.signed_and_enveloped->recipientinfo;\n if (rsk == NULL)\n return NULL;\n ri = sk_PKCS7_RECIP_INFO_value(rsk, 0);\n if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx)\n return (NULL);\n ri = sk_PKCS7_RECIP_INFO_value(rsk, idx);\n return (ri->issuer_and_serial);\n}', 'int OBJ_obj2nid(const ASN1_OBJECT *a)\n{\n const unsigned int *op;\n ADDED_OBJ ad, *adp;\n if (a == NULL)\n return (NID_undef);\n if (a->nid != 0)\n return (a->nid);\n if (added != NULL) {\n ad.type = ADDED_DATA;\n ad.obj = (ASN1_OBJECT *)a;\n adp = lh_ADDED_OBJ_retrieve(added, &ad);\n if (adp != NULL)\n return (adp->obj->nid);\n }\n op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);\n if (op == NULL)\n return (NID_undef);\n return (nid_objs[*op].nid);\n}', 'void *lh_retrieve(_LHASH *lh, const void *data)\n{\n unsigned long hash;\n LHASH_NODE **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_retrieve_miss++;\n return (NULL);\n } else {\n ret = (*rn)->data;\n lh->num_retrieve++;\n }\n return (ret);\n}', 'void *sk_value(const _STACK *st, int i)\n{\n if (!st || (i < 0) || (i >= st->num))\n return NULL;\n return st->data[i];\n}', 'int sk_num(const _STACK *st)\n{\n if (st == NULL)\n return -1;\n return st->num;\n}'] |
16,392 | 0 | https://github.com/openssl/openssl/blob/b59e1bed7da7933d4c6af750fe3f0300b57874fe/test/bntest.c/#L572 | int test_div_word(BIO *bp)
{
BIGNUM *a, *b;
BN_ULONG r, s;
int i;
a = BN_new();
b = BN_new();
for (i = 0; i < num0; i++) {
do {
BN_bntest_rand(a, 512, -1, 0);
BN_bntest_rand(b, BN_BITS2, -1, 0);
} while (BN_is_zero(b));
s = b->d[0];
BN_copy(b, a);
r = BN_div_word(b, s);
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " / ");
print_word(bp, s);
BIO_puts(bp, " - ");
}
BN_print(bp, b);
BIO_puts(bp, "\n");
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " % ");
print_word(bp, s);
BIO_puts(bp, " - ");
}
print_word(bp, r);
BIO_puts(bp, "\n");
}
BN_mul_word(b, s);
BN_add_word(b, r);
BN_sub(b, a, b);
if (!BN_is_zero(b)) {
fprintf(stderr, "Division (word) test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
return (1);
} | ['int test_div_word(BIO *bp)\n{\n BIGNUM *a, *b;\n BN_ULONG r, s;\n int i;\n a = BN_new();\n b = BN_new();\n for (i = 0; i < num0; i++) {\n do {\n BN_bntest_rand(a, 512, -1, 0);\n BN_bntest_rand(b, BN_BITS2, -1, 0);\n } while (BN_is_zero(b));\n s = b->d[0];\n BN_copy(b, a);\n r = BN_div_word(b, s);\n if (bp != NULL) {\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " / ");\n print_word(bp, s);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, b);\n BIO_puts(bp, "\\n");\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " % ");\n print_word(bp, s);\n BIO_puts(bp, " - ");\n }\n print_word(bp, r);\n BIO_puts(bp, "\\n");\n }\n BN_mul_word(b, s);\n BN_add_word(b, r);\n BN_sub(b, a, b);\n if (!BN_is_zero(b)) {\n fprintf(stderr, "Division (word) test failed!\\n");\n return 0;\n }\n }\n BN_free(a);\n BN_free(b);\n return (1);\n}', 'BIGNUM *BN_new(void)\n{\n BIGNUM *ret;\n if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {\n BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n ret->flags = BN_FLG_MALLOCED;\n bn_check_top(ret);\n return (ret);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'void BN_free(BIGNUM *a)\n{\n if (a == NULL)\n return;\n bn_check_top(a);\n if (!BN_get_flags(a, BN_FLG_STATIC_DATA))\n bn_free_d(a);\n if (a->flags & BN_FLG_MALLOCED)\n OPENSSL_free(a);\n else {\n#if OPENSSL_API_COMPAT < 0x00908000L\n a->flags |= BN_FLG_FREE;\n#endif\n a->d = NULL;\n }\n}', 'int BN_get_flags(const BIGNUM *b, int n)\n{\n return b->flags & n;\n}'] |
16,393 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L260 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int ec_GF2m_montgomery_point_multiply(const EC_GROUP *group,\n EC_POINT *r,\n const BIGNUM *scalar,\n const EC_POINT *point,\n BN_CTX *ctx)\n{\n BIGNUM *x1, *x2, *z1, *z2;\n int ret = 0, i, group_top;\n BN_ULONG mask, word;\n if (r == point) {\n ECerr(EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY, EC_R_INVALID_ARGUMENT);\n return 0;\n }\n if ((scalar == NULL) || BN_is_zero(scalar) || (point == NULL) ||\n EC_POINT_is_at_infinity(group, point)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n if (!point->Z_is_one)\n return 0;\n BN_CTX_start(ctx);\n x1 = BN_CTX_get(ctx);\n z1 = BN_CTX_get(ctx);\n if (z1 == NULL)\n goto err;\n x2 = r->X;\n z2 = r->Y;\n group_top = bn_get_top(group->field);\n if (bn_wexpand(x1, group_top) == NULL\n || bn_wexpand(z1, group_top) == NULL\n || bn_wexpand(x2, group_top) == NULL\n || bn_wexpand(z2, group_top) == NULL)\n goto err;\n if (!BN_GF2m_mod_arr(x1, point->X, group->poly))\n goto err;\n if (!BN_one(z1))\n goto err;\n if (!group->meth->field_sqr(group, z2, x1, ctx))\n goto err;\n if (!group->meth->field_sqr(group, x2, z2, ctx))\n goto err;\n if (!BN_GF2m_add(x2, x2, group->b))\n goto err;\n i = bn_get_top(scalar) - 1;\n mask = BN_TBIT;\n word = bn_get_words(scalar)[i];\n while (!(word & mask))\n mask >>= 1;\n mask >>= 1;\n if (!mask) {\n i--;\n mask = BN_TBIT;\n }\n for (; i >= 0; i--) {\n word = bn_get_words(scalar)[i];\n while (mask) {\n BN_consttime_swap(word & mask, x1, x2, group_top);\n BN_consttime_swap(word & mask, z1, z2, group_top);\n if (!gf2m_Madd(group, point->X, x2, z2, x1, z1, ctx))\n goto err;\n if (!gf2m_Mdouble(group, x1, z1, ctx))\n goto err;\n BN_consttime_swap(word & mask, x1, x2, group_top);\n BN_consttime_swap(word & mask, z1, z2, group_top);\n mask >>= 1;\n }\n mask = BN_TBIT;\n }\n i = gf2m_Mxy(group, point->X, point->Y, x1, z1, x2, z2, ctx);\n if (i == 0)\n goto err;\n else if (i == 1) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (!BN_one(r->Z))\n goto err;\n r->Z_is_one = 1;\n }\n BN_set_negative(r->X, 0);\n BN_set_negative(r->Y, 0);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return 1;\n}', 'int BN_GF2m_mod_arr(BIGNUM *r, const BIGNUM *a, const int p[])\n{\n int j, k;\n int n, dN, d0, d1;\n BN_ULONG zz, *z;\n bn_check_top(a);\n if (!p[0]) {\n BN_zero(r);\n return 1;\n }\n if (a != r) {\n if (!bn_wexpand(r, a->top))\n return 0;\n for (j = 0; j < a->top; j++) {\n r->d[j] = a->d[j];\n }\n r->top = a->top;\n }\n z = r->d;\n dN = p[0] / BN_BITS2;\n for (j = r->top - 1; j > dN;) {\n zz = z[j];\n if (z[j] == 0) {\n j--;\n continue;\n }\n z[j] = 0;\n for (k = 1; p[k] != 0; k++) {\n n = p[0] - p[k];\n d0 = n % BN_BITS2;\n d1 = BN_BITS2 - d0;\n n /= BN_BITS2;\n z[j - n] ^= (zz >> d0);\n if (d0)\n z[j - n - 1] ^= (zz << d1);\n }\n n = dN;\n d0 = p[0] % BN_BITS2;\n d1 = BN_BITS2 - d0;\n z[j - n] ^= (zz >> d0);\n if (d0)\n z[j - n - 1] ^= (zz << d1);\n }\n while (j == dN) {\n d0 = p[0] % BN_BITS2;\n zz = z[dN] >> d0;\n if (zz == 0)\n break;\n d1 = BN_BITS2 - d0;\n if (d0)\n z[dN] = (z[dN] << d1) >> d1;\n else\n z[dN] = 0;\n z[0] ^= zz;\n for (k = 1; p[k] != 0; k++) {\n BN_ULONG tmp_ulong;\n n = p[k] / BN_BITS2;\n d0 = p[k] % BN_BITS2;\n d1 = BN_BITS2 - d0;\n z[n] ^= (zz << d0);\n if (d0 && (tmp_ulong = zz >> d1))\n z[n + 1] ^= tmp_ulong;\n }\n }\n bn_correct_top(r);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,394 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/async/async.c/#L217 | int ASYNC_start_job(ASYNC_JOB **job, int *ret, int (*func)(void *),
void *args, size_t size)
{
if (async_get_ctx() == NULL && async_ctx_new() == NULL) {
return ASYNC_ERR;
}
if (*job) {
async_get_ctx()->currjob = *job;
}
for (;;) {
if (async_get_ctx()->currjob != NULL) {
if (async_get_ctx()->currjob->status == ASYNC_JOB_STOPPING) {
*ret = async_get_ctx()->currjob->ret;
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
return ASYNC_FINISH;
}
if (async_get_ctx()->currjob->status == ASYNC_JOB_PAUSING) {
*job = async_get_ctx()->currjob;
async_get_ctx()->currjob->status = ASYNC_JOB_PAUSED;
async_get_ctx()->currjob = NULL;
return ASYNC_PAUSE;
}
if (async_get_ctx()->currjob->status == ASYNC_JOB_PAUSED) {
async_get_ctx()->currjob = *job;
if (!async_fibre_swapcontext(&async_get_ctx()->dispatcher,
&async_get_ctx()->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB,
ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
continue;
}
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_INTERNAL_ERROR);
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
return ASYNC_ERR;
}
if ((async_get_ctx()->currjob = async_get_pool_job()) == NULL) {
return ASYNC_NO_JOBS;
}
if (args != NULL) {
async_get_ctx()->currjob->funcargs = OPENSSL_malloc(size);
if (async_get_ctx()->currjob->funcargs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_MALLOC_FAILURE);
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
return ASYNC_ERR;
}
memcpy(async_get_ctx()->currjob->funcargs, args, size);
} else {
async_get_ctx()->currjob->funcargs = NULL;
}
async_get_ctx()->currjob->func = func;
if (!async_fibre_swapcontext(&async_get_ctx()->dispatcher,
&async_get_ctx()->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
}
err:
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
return ASYNC_ERR;
} | ['int ASYNC_start_job(ASYNC_JOB **job, int *ret, int (*func)(void *),\n void *args, size_t size)\n{\n if (async_get_ctx() == NULL && async_ctx_new() == NULL) {\n return ASYNC_ERR;\n }\n if (*job) {\n async_get_ctx()->currjob = *job;\n }\n for (;;) {\n if (async_get_ctx()->currjob != NULL) {\n if (async_get_ctx()->currjob->status == ASYNC_JOB_STOPPING) {\n *ret = async_get_ctx()->currjob->ret;\n async_release_job(async_get_ctx()->currjob);\n async_get_ctx()->currjob = NULL;\n *job = NULL;\n return ASYNC_FINISH;\n }\n if (async_get_ctx()->currjob->status == ASYNC_JOB_PAUSING) {\n *job = async_get_ctx()->currjob;\n async_get_ctx()->currjob->status = ASYNC_JOB_PAUSED;\n async_get_ctx()->currjob = NULL;\n return ASYNC_PAUSE;\n }\n if (async_get_ctx()->currjob->status == ASYNC_JOB_PAUSED) {\n async_get_ctx()->currjob = *job;\n if (!async_fibre_swapcontext(&async_get_ctx()->dispatcher,\n &async_get_ctx()->currjob->fibrectx, 1)) {\n ASYNCerr(ASYNC_F_ASYNC_START_JOB,\n ASYNC_R_FAILED_TO_SWAP_CONTEXT);\n goto err;\n }\n continue;\n }\n ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_INTERNAL_ERROR);\n async_release_job(async_get_ctx()->currjob);\n async_get_ctx()->currjob = NULL;\n *job = NULL;\n return ASYNC_ERR;\n }\n if ((async_get_ctx()->currjob = async_get_pool_job()) == NULL) {\n return ASYNC_NO_JOBS;\n }\n if (args != NULL) {\n async_get_ctx()->currjob->funcargs = OPENSSL_malloc(size);\n if (async_get_ctx()->currjob->funcargs == NULL) {\n ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_MALLOC_FAILURE);\n async_release_job(async_get_ctx()->currjob);\n async_get_ctx()->currjob = NULL;\n return ASYNC_ERR;\n }\n memcpy(async_get_ctx()->currjob->funcargs, args, size);\n } else {\n async_get_ctx()->currjob->funcargs = NULL;\n }\n async_get_ctx()->currjob->func = func;\n if (!async_fibre_swapcontext(&async_get_ctx()->dispatcher,\n &async_get_ctx()->currjob->fibrectx, 1)) {\n ASYNCerr(ASYNC_F_ASYNC_START_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);\n goto err;\n }\n }\nerr:\n async_release_job(async_get_ctx()->currjob);\n async_get_ctx()->currjob = NULL;\n *job = NULL;\n return ASYNC_ERR;\n}', 'static async_ctx *async_ctx_new(void)\n{\n async_ctx *nctx = NULL;\n nctx = OPENSSL_malloc(sizeof (async_ctx));\n if (nctx == NULL) {\n ASYNCerr(ASYNC_F_ASYNC_CTX_NEW, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n async_fibre_init_dispatcher(&nctx->dispatcher);\n nctx->currjob = NULL;\n nctx->blocked = 0;\n if (!async_set_ctx(nctx))\n goto err;\n return nctx;\nerr:\n OPENSSL_free(nctx);\n return NULL;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}'] |
16,395 | 0 | https://github.com/openssl/openssl/blob/8ae173bb57819a23717fd3c8e7c51cb62f4268d0/test/ssl_test_ctx.c/#L891 | SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section)
{
STACK_OF(CONF_VALUE) *sk_conf = NULL;
SSL_TEST_CTX *ctx = NULL;
int i;
size_t j;
if (!TEST_ptr(sk_conf = NCONF_get_section(conf, test_section))
|| !TEST_ptr(ctx = SSL_TEST_CTX_new()))
goto err;
for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {
int found = 0;
const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);
if (strcmp(option->name, "client") == 0) {
if (!parse_client_options(&ctx->extra.client, conf, option->value))
goto err;
} else if (strcmp(option->name, "server") == 0) {
if (!parse_server_options(&ctx->extra.server, conf, option->value))
goto err;
} else if (strcmp(option->name, "server2") == 0) {
if (!parse_server_options(&ctx->extra.server2, conf, option->value))
goto err;
} else if (strcmp(option->name, "resume-client") == 0) {
if (!parse_client_options(&ctx->resume_extra.client, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-server") == 0) {
if (!parse_server_options(&ctx->resume_extra.server, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-server2") == 0) {
if (!parse_server_options(&ctx->resume_extra.server2, conf,
option->value))
goto err;
} else {
for (j = 0; j < OSSL_NELEM(ssl_test_ctx_options); j++) {
if (strcmp(option->name, ssl_test_ctx_options[j].name) == 0) {
if (!ssl_test_ctx_options[j].parse(ctx, option->value)) {
TEST_info("Bad value %s for option %s",
option->value, option->name);
goto err;
}
found = 1;
break;
}
}
if (!found) {
TEST_info("Unknown test option: %s", option->name);
goto err;
}
}
}
goto done;
err:
SSL_TEST_CTX_free(ctx);
ctx = NULL;
done:
return ctx;
} | ['SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section)\n{\n STACK_OF(CONF_VALUE) *sk_conf = NULL;\n SSL_TEST_CTX *ctx = NULL;\n int i;\n size_t j;\n if (!TEST_ptr(sk_conf = NCONF_get_section(conf, test_section))\n || !TEST_ptr(ctx = SSL_TEST_CTX_new()))\n goto err;\n for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {\n int found = 0;\n const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);\n if (strcmp(option->name, "client") == 0) {\n if (!parse_client_options(&ctx->extra.client, conf, option->value))\n goto err;\n } else if (strcmp(option->name, "server") == 0) {\n if (!parse_server_options(&ctx->extra.server, conf, option->value))\n goto err;\n } else if (strcmp(option->name, "server2") == 0) {\n if (!parse_server_options(&ctx->extra.server2, conf, option->value))\n goto err;\n } else if (strcmp(option->name, "resume-client") == 0) {\n if (!parse_client_options(&ctx->resume_extra.client, conf,\n option->value))\n goto err;\n } else if (strcmp(option->name, "resume-server") == 0) {\n if (!parse_server_options(&ctx->resume_extra.server, conf,\n option->value))\n goto err;\n } else if (strcmp(option->name, "resume-server2") == 0) {\n if (!parse_server_options(&ctx->resume_extra.server2, conf,\n option->value))\n goto err;\n } else {\n for (j = 0; j < OSSL_NELEM(ssl_test_ctx_options); j++) {\n if (strcmp(option->name, ssl_test_ctx_options[j].name) == 0) {\n if (!ssl_test_ctx_options[j].parse(ctx, option->value)) {\n TEST_info("Bad value %s for option %s",\n option->value, option->name);\n goto err;\n }\n found = 1;\n break;\n }\n }\n if (!found) {\n TEST_info("Unknown test option: %s", option->name);\n goto err;\n }\n }\n }\n goto done;\n err:\n SSL_TEST_CTX_free(ctx);\n ctx = NULL;\n done:\n return ctx;\n}', 'STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section)\n{\n if (conf == NULL) {\n CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF);\n return NULL;\n }\n if (section == NULL) {\n CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);\n return NULL;\n }\n return _CONF_get_section_values(conf, section);\n}', 'STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,\n const char *section)\n{\n CONF_VALUE *v;\n v = _CONF_get_section(conf, section);\n if (v != NULL)\n return ((STACK_OF(CONF_VALUE) *)v->value);\n else\n return NULL;\n}', 'CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)\n{\n CONF_VALUE *v, vv;\n if ((conf == NULL) || (section == NULL))\n return NULL;\n vv.name = NULL;\n vv.section = (char *)section;\n v = lh_CONF_VALUE_retrieve(conf->data, &vv);\n return v;\n}', 'void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE **rn;\n void *ret;\n tsan_store((TSAN_QUALIFIER int *)&lh->error, 0);\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n tsan_counter(&lh->num_retrieve_miss);\n return NULL;\n } else {\n ret = (*rn)->data;\n tsan_counter(&lh->num_retrieve);\n }\n return ret;\n}', 'int test_ptr(const char *file, int line, const char *s, const void *p)\n{\n if (p != NULL)\n return 1;\n test_fail_message(NULL, file, line, "ptr", s, "NULL", "!=", "%p", p);\n return 0;\n}'] |
16,396 | 0 | https://github.com/openssl/openssl/blob/80aa9cc985251463a3ad65b0a4d64bf93c70b175/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int JPAKE_STEP2_generate(JPAKE_STEP2 *send, JPAKE_CTX *ctx)\n {\n BIGNUM *t1 = BN_new();\n BIGNUM *t2 = BN_new();\n BN_mod_exp(t1, ctx->p.g, ctx->xa, ctx->p.p, ctx->ctx);\n BN_mod_mul(t2, t1, ctx->p.gxc, ctx->p.p, ctx->ctx);\n BN_mod_mul(t1, t2, ctx->p.gxd, ctx->p.p, ctx->ctx);\n BN_mod_mul(t2, ctx->xb, ctx->secret, ctx->p.q, ctx->ctx);\n generate_step_part(send, t2, t1, ctx);\n BN_free(t1);\n BN_free(t2);\n return 1;\n }', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n\t BN_CTX *ctx)\n\t{\n\tint ret;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n\tif (BN_is_odd(m))\n\t\t{\n# ifdef MONT_EXP_WORD\n\t\tif (a->top == 1 && !a->neg && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0))\n\t\t\t{\n\t\t\tBN_ULONG A = a->d[0];\n\t\t\tret=BN_mod_exp_mont_word(r,A,p,m,ctx,NULL);\n\t\t\t}\n\t\telse\n# endif\n\t\t\tret=BN_mod_exp_mont(r,a,p,m,ctx,NULL);\n\t\t}\n\telse\n#endif\n#ifdef RECP_MUL_MOD\n\t\t{ ret=BN_mod_exp_recp(r,a,p,m,ctx); }\n#else\n\t\t{ ret=BN_mod_exp_simple(r,a,p,m,ctx); }\n#endif\n\tbn_check_top(r);\n\treturn(ret);\n\t}', 'int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tBN_MONT_CTX *mont = NULL;\n\tint b, bits, ret=0;\n\tint r_is_one;\n\tBN_ULONG w, next_w;\n\tBIGNUM *d, *r, *t;\n\tBIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n\t\t(BN_mul_word(r, (w)) && \\\n\t\t( \\\n\t\t\t(BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))\n#define BN_TO_MONTGOMERY_WORD(r, w, mont) \\\n\t\t(BN_set_word(r, (w)) && BN_to_montgomery(r, r, (mont), ctx))\n\tif (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT_WORD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n\t\treturn -1;\n\t\t}\n\tbn_check_top(p);\n\tbn_check_top(m);\n\tif (!BN_is_odd(m))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT_WORD,BN_R_CALLED_WITH_EVEN_MODULUS);\n\t\treturn(0);\n\t\t}\n\tif (m->top == 1)\n\t\ta %= m->d[0];\n\tbits = BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tret = BN_one(rr);\n\t\treturn ret;\n\t\t}\n\tif (a == 0)\n\t\t{\n\t\tBN_zero(rr);\n\t\tret = 1;\n\t\treturn ret;\n\t\t}\n\tBN_CTX_start(ctx);\n\td = BN_CTX_get(ctx);\n\tr = BN_CTX_get(ctx);\n\tt = BN_CTX_get(ctx);\n\tif (d == NULL || r == NULL || t == NULL) goto err;\n\tif (in_mont != NULL)\n\t\tmont=in_mont;\n\telse\n\t\t{\n\t\tif ((mont = BN_MONT_CTX_new()) == NULL) goto err;\n\t\tif (!BN_MONT_CTX_set(mont, m, ctx)) goto err;\n\t\t}\n\tr_is_one = 1;\n\tw = a;\n\tfor (b = bits-2; b >= 0; b--)\n\t\t{\n\t\tnext_w = w*w;\n\t\tif ((next_w/w) != w)\n\t\t\t{\n\t\t\tif (r_is_one)\n\t\t\t\t{\n\t\t\t\tif (!BN_TO_MONTGOMERY_WORD(r, w, mont)) goto err;\n\t\t\t\tr_is_one = 0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_MOD_MUL_WORD(r, w, m)) goto err;\n\t\t\t\t}\n\t\t\tnext_w = 1;\n\t\t\t}\n\t\tw = next_w;\n\t\tif (!r_is_one)\n\t\t\t{\n\t\t\tif (!BN_mod_mul_montgomery(r, r, r, mont, ctx)) goto err;\n\t\t\t}\n\t\tif (BN_is_bit_set(p, b))\n\t\t\t{\n\t\t\tnext_w = w*a;\n\t\t\tif ((next_w/a) != w)\n\t\t\t\t{\n\t\t\t\tif (r_is_one)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_TO_MONTGOMERY_WORD(r, w, mont)) goto err;\n\t\t\t\t\tr_is_one = 0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_MOD_MUL_WORD(r, w, m)) goto err;\n\t\t\t\t\t}\n\t\t\t\tnext_w = a;\n\t\t\t\t}\n\t\t\tw = next_w;\n\t\t\t}\n\t\t}\n\tif (w != 1)\n\t\t{\n\t\tif (r_is_one)\n\t\t\t{\n\t\t\tif (!BN_TO_MONTGOMERY_WORD(r, w, mont)) goto err;\n\t\t\tr_is_one = 0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_MOD_MUL_WORD(r, w, m)) goto err;\n\t\t\t}\n\t\t}\n\tif (r_is_one)\n\t\t{\n\t\tif (!BN_one(rr)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_from_montgomery(rr, r, mont, ctx)) goto err;\n\t\t}\n\tret = 1;\nerr:\n\tif ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);\n\tBN_CTX_end(ctx);\n\tbn_check_top(rr);\n\treturn(ret);\n\t}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n\tBN_CTX *ctx)\n\t{\n\tBIGNUM *t;\n\tint ret=0;\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(m);\n\tBN_CTX_start(ctx);\n\tif ((t = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (a == b)\n\t\t{ if (!BN_sqr(t,a,ctx)) goto err; }\n\telse\n\t\t{ if (!BN_mul(t,a,b,ctx)) goto err; }\n\tif (!BN_nnmod(r,t,m,ctx)) goto err;\n\tbn_check_top(r);\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static void generate_step_part(JPAKE_STEP_PART *p, const BIGNUM *x,\n\t\t\t const BIGNUM *g, JPAKE_CTX *ctx)\n {\n BN_mod_exp(p->gx, g, x, ctx->p.p, ctx->ctx);\n generate_zkp(p, x, g, ctx);\n }', 'int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n\t\t const BIGNUM *m, BN_CTX *ctx)\n\t{\n\tint i,j,bits,ret=0,wstart,wend,window,wvalue;\n\tint start=1;\n\tBIGNUM *aa;\n\tBIGNUM *val[TABLE_SIZE];\n\tBN_RECP_CTX recp;\n\tif (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_RECP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n\t\treturn -1;\n\t\t}\n\tbits=BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tret = BN_one(r);\n\t\treturn ret;\n\t\t}\n\tBN_CTX_start(ctx);\n\taa = BN_CTX_get(ctx);\n\tval[0] = BN_CTX_get(ctx);\n\tif(!aa || !val[0]) goto err;\n\tBN_RECP_CTX_init(&recp);\n\tif (m->neg)\n\t\t{\n\t\tif (!BN_copy(aa, m)) goto err;\n\t\taa->neg = 0;\n\t\tif (BN_RECP_CTX_set(&recp,aa,ctx) <= 0) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (BN_RECP_CTX_set(&recp,m,ctx) <= 0) goto err;\n\t\t}\n\tif (!BN_nnmod(val[0],a,m,ctx)) goto err;\n\tif (BN_is_zero(val[0]))\n\t\t{\n\t\tBN_zero(r);\n\t\tret = 1;\n\t\tgoto err;\n\t\t}\n\twindow = BN_window_bits_for_exponent_size(bits);\n\tif (window > 1)\n\t\t{\n\t\tif (!BN_mod_mul_reciprocal(aa,val[0],val[0],&recp,ctx))\n\t\t\tgoto err;\n\t\tj=1<<(window-1);\n\t\tfor (i=1; i<j; i++)\n\t\t\t{\n\t\t\tif(((val[i] = BN_CTX_get(ctx)) == NULL) ||\n\t\t\t\t\t!BN_mod_mul_reciprocal(val[i],val[i-1],\n\t\t\t\t\t\taa,&recp,ctx))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tstart=1;\n\twvalue=0;\n\twstart=bits-1;\n\twend=0;\n\tif (!BN_one(r)) goto err;\n\tfor (;;)\n\t\t{\n\t\tif (BN_is_bit_set(p,wstart) == 0)\n\t\t\t{\n\t\t\tif (!start)\n\t\t\t\tif (!BN_mod_mul_reciprocal(r,r,r,&recp,ctx))\n\t\t\t\tgoto err;\n\t\t\tif (wstart == 0) break;\n\t\t\twstart--;\n\t\t\tcontinue;\n\t\t\t}\n\t\tj=wstart;\n\t\twvalue=1;\n\t\twend=0;\n\t\tfor (i=1; i<window; i++)\n\t\t\t{\n\t\t\tif (wstart-i < 0) break;\n\t\t\tif (BN_is_bit_set(p,wstart-i))\n\t\t\t\t{\n\t\t\t\twvalue<<=(i-wend);\n\t\t\t\twvalue|=1;\n\t\t\t\twend=i;\n\t\t\t\t}\n\t\t\t}\n\t\tj=wend+1;\n\t\tif (!start)\n\t\t\tfor (i=0; i<j; i++)\n\t\t\t\t{\n\t\t\t\tif (!BN_mod_mul_reciprocal(r,r,r,&recp,ctx))\n\t\t\t\t\tgoto err;\n\t\t\t\t}\n\t\tif (!BN_mod_mul_reciprocal(r,r,val[wvalue>>1],&recp,ctx))\n\t\t\tgoto err;\n\t\twstart-=wend+1;\n\t\twvalue=0;\n\t\tstart=0;\n\t\tif (wstart < 0) break;\n\t\t}\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\tBN_RECP_CTX_free(&recp);\n\tbn_check_top(r);\n\treturn(ret);\n\t}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tif (num->top > 0 && num->d[num->top - 1] == 0)\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_NOT_INITIALIZED);\n\t\treturn 0;\n\t\t}\n\tbn_check_top(num);\n\tif ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_div_no_branch(dv, rm, num, divisor, ctx);\n\t\t}\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tbn_clear_top2max(&wnum);\n\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t*resp=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n\tconst BIGNUM *divisor, BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV_NO_BRANCH,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (snum->top <= sdiv->top+1)\n\t\t{\n\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\tsnum->top = sdiv->top + 2;\n\t\t}\n\telse\n\t\t{\n\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\tsnum->d[snum->top] = 0;\n\t\tsnum->top ++;\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop-1;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tbn_correct_top(res);\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
16,397 | 0 | https://github.com/openssl/openssl/blob/9dd4ac8cf17f2afd636e85ae0111d1df4104a475/crypto/err/err.c/#L444 | static unsigned long get_error_values(int inc, int top, const char **file,
int *line, const char **data,
int *flags)
{
int i = 0;
ERR_STATE *es;
unsigned long ret;
es = ERR_get_state();
if (inc && top) {
if (file)
*file = "";
if (line)
*line = 0;
if (data)
*data = "";
if (flags)
*flags = 0;
return ERR_R_INTERNAL_ERROR;
}
if (es->bottom == es->top)
return 0;
if (top)
i = es->top;
else
i = (es->bottom + 1) % ERR_NUM_ERRORS;
ret = es->err_buffer[i];
if (inc) {
es->bottom = i;
es->err_buffer[i] = 0;
}
if ((file != NULL) && (line != NULL)) {
if (es->err_file[i] == NULL) {
*file = "NA";
if (line != NULL)
*line = 0;
} else {
*file = es->err_file[i];
if (line != NULL)
*line = es->err_line[i];
}
}
if (data == NULL) {
if (inc) {
err_clear_data(es, i);
}
} else {
if (es->err_data[i] == NULL) {
*data = "";
if (flags != NULL)
*flags = 0;
} else {
*data = es->err_data[i];
if (flags != NULL)
*flags = es->err_data_flags[i];
}
}
return ret;
} | ['static unsigned long get_error_values(int inc, int top, const char **file,\n int *line, const char **data,\n int *flags)\n{\n int i = 0;\n ERR_STATE *es;\n unsigned long ret;\n es = ERR_get_state();\n if (inc && top) {\n if (file)\n *file = "";\n if (line)\n *line = 0;\n if (data)\n *data = "";\n if (flags)\n *flags = 0;\n return ERR_R_INTERNAL_ERROR;\n }\n if (es->bottom == es->top)\n return 0;\n if (top)\n i = es->top;\n else\n i = (es->bottom + 1) % ERR_NUM_ERRORS;\n ret = es->err_buffer[i];\n if (inc) {\n es->bottom = i;\n es->err_buffer[i] = 0;\n }\n if ((file != NULL) && (line != NULL)) {\n if (es->err_file[i] == NULL) {\n *file = "NA";\n if (line != NULL)\n *line = 0;\n } else {\n *file = es->err_file[i];\n if (line != NULL)\n *line = es->err_line[i];\n }\n }\n if (data == NULL) {\n if (inc) {\n err_clear_data(es, i);\n }\n } else {\n if (es->err_data[i] == NULL) {\n *data = "";\n if (flags != NULL)\n *flags = 0;\n } else {\n *data = es->err_data[i];\n if (flags != NULL)\n *flags = es->err_data_flags[i];\n }\n }\n return ret;\n}', 'ERR_STATE *ERR_get_state(void)\n{\n ERR_STATE *state = NULL;\n if (!RUN_ONCE(&err_init, err_do_init))\n return NULL;\n state = CRYPTO_THREAD_get_local(&err_thread_local);\n if (state == NULL) {\n state = OPENSSL_zalloc(sizeof(*state));\n if (state == NULL)\n return NULL;\n if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {\n ERR_STATE_free(state);\n return NULL;\n }\n OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);\n ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);\n }\n return state;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}', 'void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)\n{\n return pthread_getspecific(*key);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}'] |
16,398 | 0 | https://github.com/libav/libav/blob/6a2176aac05e1edbcdf8fb9c26d572d092a00c3c/libavcodec/h264.c/#L348 | static void await_references(H264Context *h){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
const int mb_type= s->current_picture.mb_type[mb_xy];
int refs[2][48];
int nrefs[2] = {0};
int ref, list;
memset(refs, -1, sizeof(refs));
if(IS_16X16(mb_type)){
get_lowest_part_y(h, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
}else if(IS_16X8(mb_type)){
get_lowest_part_y(h, refs, 0, 8, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, 8, 8, 8,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
}else if(IS_8X16(mb_type)){
get_lowest_part_y(h, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, 4, 16, 0,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
}else{
int i;
assert(IS_8X8(mb_type));
for(i=0; i<4; i++){
const int sub_mb_type= h->sub_mb_type[i];
const int n= 4*i;
int y_offset= (i&2)<<2;
if(IS_SUB_8X8(sub_mb_type)){
get_lowest_part_y(h, refs, n , 8, y_offset,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
}else if(IS_SUB_8X4(sub_mb_type)){
get_lowest_part_y(h, refs, n , 4, y_offset,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, n+2, 4, y_offset+4,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
}else if(IS_SUB_4X8(sub_mb_type)){
get_lowest_part_y(h, refs, n , 8, y_offset,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, n+1, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
}else{
int j;
assert(IS_SUB_4X4(sub_mb_type));
for(j=0; j<4; j++){
int sub_y_offset= y_offset + 2*(j&2);
get_lowest_part_y(h, refs, n+j, 4, sub_y_offset,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
}
}
}
}
for(list=h->list_count-1; list>=0; list--){
for(ref=0; ref<48 && nrefs[list]; ref++){
int row = refs[list][ref];
if(row >= 0){
Picture *ref_pic = &h->ref_list[list][ref];
int ref_field = ref_pic->reference - 1;
int ref_field_picture = ref_pic->field_picture;
int pic_height = 16*s->mb_height >> ref_field_picture;
row <<= MB_MBAFF;
nrefs[list]--;
if(!FIELD_PICTURE && ref_field_picture){
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1);
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0);
}else if(FIELD_PICTURE && !ref_field_picture){
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0);
}else if(FIELD_PICTURE){
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field);
}else{
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0);
}
}
}
}
} | ['static int svq3_decode_frame(AVCodecContext *avctx,\n void *data, int *data_size,\n AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n SVQ3Context *svq3 = avctx->priv_data;\n H264Context *h = &svq3->h;\n MpegEncContext *s = &h->s;\n int buf_size = avpkt->size;\n int m, mb_type;\n if (buf_size == 0) {\n if (s->next_picture_ptr && !s->low_delay) {\n *(AVFrame *) data = *(AVFrame *) &s->next_picture;\n s->next_picture_ptr = NULL;\n *data_size = sizeof(AVFrame);\n }\n return 0;\n }\n init_get_bits (&s->gb, buf, 8*buf_size);\n s->mb_x = s->mb_y = h->mb_xy = 0;\n if (svq3_decode_slice_header(avctx))\n return -1;\n s->pict_type = h->slice_type;\n s->picture_number = h->slice_num;\n if (avctx->debug&FF_DEBUG_PICT_INFO){\n av_log(h->s.avctx, AV_LOG_DEBUG, "%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\\n",\n av_get_picture_type_char(s->pict_type), svq3->halfpel_flag, svq3->thirdpel_flag,\n s->adaptive_quant, s->qscale, h->slice_num);\n }\n s->current_picture.pict_type = s->pict_type;\n s->current_picture.key_frame = (s->pict_type == AV_PICTURE_TYPE_I);\n if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B)\n return 0;\n if ( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B)\n ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I)\n || avctx->skip_frame >= AVDISCARD_ALL)\n return 0;\n if (s->next_p_frame_damaged) {\n if (s->pict_type == AV_PICTURE_TYPE_B)\n return 0;\n else\n s->next_p_frame_damaged = 0;\n }\n if (ff_h264_frame_start(h) < 0)\n return -1;\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n h->frame_num_offset = (h->slice_num - h->prev_frame_num);\n if (h->frame_num_offset < 0) {\n h->frame_num_offset += 256;\n }\n if (h->frame_num_offset == 0 || h->frame_num_offset >= h->prev_frame_num_offset) {\n av_log(h->s.avctx, AV_LOG_ERROR, "error in B-frame picture id\\n");\n return -1;\n }\n } else {\n h->prev_frame_num = h->frame_num;\n h->frame_num = h->slice_num;\n h->prev_frame_num_offset = (h->frame_num - h->prev_frame_num);\n if (h->prev_frame_num_offset < 0) {\n h->prev_frame_num_offset += 256;\n }\n }\n for (m = 0; m < 2; m++){\n int i;\n for (i = 0; i < 4; i++){\n int j;\n for (j = -1; j < 4; j++)\n h->ref_cache[m][scan8[0] + 8*i + j]= 1;\n if (i < 3)\n h->ref_cache[m][scan8[0] + 8*i + j]= PART_NOT_AVAILABLE;\n }\n }\n for (s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {\n for (s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {\n h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;\n if ( (get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits &&\n ((get_bits_count(&s->gb) & 7) == 0 || show_bits(&s->gb, (-get_bits_count(&s->gb) & 7)) == 0)) {\n skip_bits(&s->gb, svq3->next_slice_index - get_bits_count(&s->gb));\n s->gb.size_in_bits = 8*buf_size;\n if (svq3_decode_slice_header(avctx))\n return -1;\n }\n mb_type = svq3_get_ue_golomb(&s->gb);\n if (s->pict_type == AV_PICTURE_TYPE_I) {\n mb_type += 8;\n } else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4) {\n mb_type += 4;\n }\n if ((unsigned)mb_type > 33 || svq3_decode_mb(svq3, mb_type)) {\n av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n if (mb_type != 0) {\n ff_h264_hl_decode_mb (h);\n }\n if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay) {\n s->current_picture.mb_type[s->mb_x + s->mb_y*s->mb_stride] =\n (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;\n }\n }\n ff_draw_horiz_band(s, 16*s->mb_y, 16);\n }\n MPV_frame_end(s);\n if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {\n *(AVFrame *) data = *(AVFrame *) &s->current_picture;\n } else {\n *(AVFrame *) data = *(AVFrame *) &s->last_picture;\n }\n if (s->last_picture_ptr || s->low_delay) {\n *data_size = sizeof(AVFrame);\n }\n return buf_size;\n}', 'void ff_h264_hl_decode_mb(H264Context *h){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n const int mb_type= s->current_picture.mb_type[mb_xy];\n int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;\n if (CHROMA444) {\n if(is_complex || h->pixel_shift)\n hl_decode_mb_444_complex(h);\n else\n hl_decode_mb_444_simple(h);\n } else if (is_complex) {\n hl_decode_mb_complex(h);\n } else if (h->pixel_shift) {\n hl_decode_mb_simple_16(h);\n } else\n hl_decode_mb_simple_8(h);\n}', 'static void av_noinline hl_decode_mb_444_complex(H264Context *h){\n hl_decode_mb_444_internal(h, 0, h->pixel_shift);\n}', 'static av_always_inline void hl_decode_mb_444_internal(H264Context *h, int simple, int pixel_shift){\n MpegEncContext * const s = &h->s;\n const int mb_x= s->mb_x;\n const int mb_y= s->mb_y;\n const int mb_xy= h->mb_xy;\n const int mb_type= s->current_picture.mb_type[mb_xy];\n uint8_t *dest[3];\n int linesize;\n int i, j, p;\n int *block_offset = &h->block_offset[0];\n const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);\n const int plane_count = (simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) ? 3 : 1;\n for (p = 0; p < plane_count; p++)\n {\n dest[p] = s->current_picture.data[p] + ((mb_x << pixel_shift) + mb_y * s->linesize) * 16;\n s->dsp.prefetch(dest[p] + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);\n }\n h->list_counts[mb_xy]= h->list_count;\n if (!simple && MB_FIELD) {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;\n block_offset = &h->block_offset[48];\n if(mb_y&1)\n for (p = 0; p < 3; p++)\n dest[p] -= s->linesize*15;\n if(FRAME_MBAFF) {\n int list;\n for(list=0; list<h->list_count; list++){\n if(!USES_LIST(mb_type, list))\n continue;\n if(IS_16X16(mb_type)){\n int8_t *ref = &h->ref_cache[list][scan8[0]];\n fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);\n }else{\n for(i=0; i<16; i+=4){\n int ref = h->ref_cache[list][scan8[i]];\n if(ref >= 0)\n fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);\n }\n }\n }\n }\n } else {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;\n }\n if (!simple && IS_INTRA_PCM(mb_type)) {\n if (pixel_shift) {\n const int bit_depth = h->sps.bit_depth_luma;\n GetBitContext gb;\n init_get_bits(&gb, (uint8_t*)h->mb, 768*bit_depth);\n for (p = 0; p < plane_count; p++) {\n for (i = 0; i < 16; i++) {\n uint16_t *tmp = (uint16_t*)(dest[p] + i*linesize);\n for (j = 0; j < 16; j++)\n tmp[j] = get_bits(&gb, bit_depth);\n }\n }\n } else {\n for (p = 0; p < plane_count; p++) {\n for (i = 0; i < 16; i++) {\n memcpy(dest[p] + i*linesize, h->mb + p*128 + i*8, 16);\n }\n }\n }\n } else {\n if(IS_INTRA(mb_type)){\n if(h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 1, 1, simple, pixel_shift);\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_predict_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);\n if(h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 0, 1, simple, pixel_shift);\n }else{\n hl_motion(h, dest[0], dest[1], dest[2],\n s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,\n s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,\n h->h264dsp.weight_h264_pixels_tab,\n h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 1);\n }\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);\n }\n if(h->cbp || IS_INTRA(mb_type))\n {\n s->dsp.clear_blocks(h->mb);\n s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));\n }\n}', 'static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,\n qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),\n qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),\n h264_weight_func *weight_op, h264_biweight_func *weight_avg,\n int pixel_shift, int chroma444){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n const int mb_type= s->current_picture.mb_type[mb_xy];\n assert(IS_INTER(mb_type));\n if(HAVE_PTHREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))\n await_references(h);\n prefetch_motion(h, 0, pixel_shift, chroma444);\n if(IS_16X16(mb_type)){\n mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n pixel_shift, chroma444);\n }else if(IS_16X8(mb_type)){\n mc_part(h, 0, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n pixel_shift, chroma444);\n mc_part(h, 8, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),\n pixel_shift, chroma444);\n }else if(IS_8X16(mb_type)){\n mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[2], &weight_avg[2],\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n pixel_shift, chroma444);\n mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[2], &weight_avg[2],\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),\n pixel_shift, chroma444);\n }else{\n int i;\n assert(IS_8X8(mb_type));\n for(i=0; i<4; i++){\n const int sub_mb_type= h->sub_mb_type[i];\n const int n= 4*i;\n int x_offset= (i&1)<<2;\n int y_offset= (i&2)<<1;\n if(IS_SUB_8X8(sub_mb_type)){\n mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[3], &weight_avg[3],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma444);\n }else if(IS_SUB_8X4(sub_mb_type)){\n mc_part(h, n , 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[4], &weight_avg[4],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma444);\n mc_part(h, n+2, 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[4], &weight_avg[4],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma444);\n }else if(IS_SUB_4X8(sub_mb_type)){\n mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[5], &weight_avg[5],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma444);\n mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[5], &weight_avg[5],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma444);\n }else{\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for(j=0; j<4; j++){\n int sub_x_offset= x_offset + 2*(j&1);\n int sub_y_offset= y_offset + (j&2);\n mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[6], &weight_avg[6],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma444);\n }\n }\n }\n }\n prefetch_motion(h, 1, pixel_shift, chroma444);\n}', 'static void await_references(H264Context *h){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n const int mb_type= s->current_picture.mb_type[mb_xy];\n int refs[2][48];\n int nrefs[2] = {0};\n int ref, list;\n memset(refs, -1, sizeof(refs));\n if(IS_16X16(mb_type)){\n get_lowest_part_y(h, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n }else if(IS_16X8(mb_type)){\n get_lowest_part_y(h, refs, 0, 8, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, 8, 8, 8,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n }else if(IS_8X16(mb_type)){\n get_lowest_part_y(h, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, 4, 16, 0,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n }else{\n int i;\n assert(IS_8X8(mb_type));\n for(i=0; i<4; i++){\n const int sub_mb_type= h->sub_mb_type[i];\n const int n= 4*i;\n int y_offset= (i&2)<<2;\n if(IS_SUB_8X8(sub_mb_type)){\n get_lowest_part_y(h, refs, n , 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);\n }else if(IS_SUB_8X4(sub_mb_type)){\n get_lowest_part_y(h, refs, n , 4, y_offset,\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, n+2, 4, y_offset+4,\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);\n }else if(IS_SUB_4X8(sub_mb_type)){\n get_lowest_part_y(h, refs, n , 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, n+1, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);\n }else{\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for(j=0; j<4; j++){\n int sub_y_offset= y_offset + 2*(j&2);\n get_lowest_part_y(h, refs, n+j, 4, sub_y_offset,\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);\n }\n }\n }\n }\n for(list=h->list_count-1; list>=0; list--){\n for(ref=0; ref<48 && nrefs[list]; ref++){\n int row = refs[list][ref];\n if(row >= 0){\n Picture *ref_pic = &h->ref_list[list][ref];\n int ref_field = ref_pic->reference - 1;\n int ref_field_picture = ref_pic->field_picture;\n int pic_height = 16*s->mb_height >> ref_field_picture;\n row <<= MB_MBAFF;\n nrefs[list]--;\n if(!FIELD_PICTURE && ref_field_picture){\n ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1);\n ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0);\n }else if(FIELD_PICTURE && !ref_field_picture){\n ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0);\n }else if(FIELD_PICTURE){\n ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field);\n }else{\n ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0);\n }\n }\n }\n }\n}'] |
16,399 | 0 | https://github.com/libav/libav/blob/c5fcdb440237f06f6c954185ab60970cabf786a2/libavcodec/h264.c/#L427 | static void await_references(H264Context *h)
{
MpegEncContext *const s = &h->s;
const int mb_xy = h->mb_xy;
const int mb_type = s->current_picture.f.mb_type[mb_xy];
int refs[2][48];
int nrefs[2] = { 0 };
int ref, list;
memset(refs, -1, sizeof(refs));
if (IS_16X16(mb_type)) {
get_lowest_part_y(h, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
} else if (IS_16X8(mb_type)) {
get_lowest_part_y(h, refs, 0, 8, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, 8, 8, 8,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else if (IS_8X16(mb_type)) {
get_lowest_part_y(h, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, 4, 16, 0,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else {
int i;
assert(IS_8X8(mb_type));
for (i = 0; i < 4; i++) {
const int sub_mb_type = h->sub_mb_type[i];
const int n = 4 * i;
int y_offset = (i & 2) << 2;
if (IS_SUB_8X8(sub_mb_type)) {
get_lowest_part_y(h, refs, n, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_8X4(sub_mb_type)) {
get_lowest_part_y(h, refs, n, 4, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_4X8(sub_mb_type)) {
get_lowest_part_y(h, refs, n, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
get_lowest_part_y(h, refs, n + 1, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else {
int j;
assert(IS_SUB_4X4(sub_mb_type));
for (j = 0; j < 4; j++) {
int sub_y_offset = y_offset + 2 * (j & 2);
get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
}
}
}
}
for (list = h->list_count - 1; list >= 0; list--)
for (ref = 0; ref < 48 && nrefs[list]; ref++) {
int row = refs[list][ref];
if (row >= 0) {
Picture *ref_pic = &h->ref_list[list][ref];
int ref_field = ref_pic->f.reference - 1;
int ref_field_picture = ref_pic->field_picture;
int pic_height = 16 * s->mb_height >> ref_field_picture;
row <<= MB_MBAFF;
nrefs[list]--;
if (!FIELD_PICTURE && ref_field_picture) {
ff_thread_await_progress(&ref_pic->f,
FFMIN((row >> 1) - !(row & 1),
pic_height - 1),
1);
ff_thread_await_progress(&ref_pic->f,
FFMIN((row >> 1), pic_height - 1),
0);
} else if (FIELD_PICTURE && !ref_field_picture) {
ff_thread_await_progress(&ref_pic->f,
FFMIN(row * 2 + ref_field,
pic_height - 1),
0);
} else if (FIELD_PICTURE) {
ff_thread_await_progress(&ref_pic->f,
FFMIN(row, pic_height - 1),
ref_field);
} else {
ff_thread_await_progress(&ref_pic->f,
FFMIN(row, pic_height - 1),
0);
}
}
}
} | ['int ff_rv34_decode_frame(AVCodecContext *avctx,\n void *data, int *got_picture_ptr,\n AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n RV34DecContext *r = avctx->priv_data;\n MpegEncContext *s = &r->s;\n AVFrame *pict = data;\n SliceInfo si;\n int i;\n int slice_count;\n const uint8_t *slices_hdr = NULL;\n int last = 0;\n if (buf_size == 0) {\n if (s->low_delay==0 && s->next_picture_ptr) {\n *pict = s->next_picture_ptr->f;\n s->next_picture_ptr = NULL;\n *got_picture_ptr = 1;\n }\n return 0;\n }\n if(!avctx->slice_count){\n slice_count = (*buf++) + 1;\n slices_hdr = buf + 4;\n buf += 8 * slice_count;\n buf_size -= 1 + 8 * slice_count;\n }else\n slice_count = avctx->slice_count;\n if(get_slice_offset(avctx, slices_hdr, 0) < 0 ||\n get_slice_offset(avctx, slices_hdr, 0) > buf_size){\n av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\\n");\n return AVERROR_INVALIDDATA;\n }\n init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, 0), (buf_size-get_slice_offset(avctx, slices_hdr, 0))*8);\n if(r->parse_slice_header(r, &r->s.gb, &si) < 0 || si.start){\n av_log(avctx, AV_LOG_ERROR, "First slice header is incorrect\\n");\n return AVERROR_INVALIDDATA;\n }\n if ((!s->last_picture_ptr || !s->last_picture_ptr->f.data[0]) &&\n si.type == AV_PICTURE_TYPE_B) {\n av_log(avctx, AV_LOG_ERROR, "Invalid decoder state: B-frame without "\n "reference data.\\n");\n return AVERROR_INVALIDDATA;\n }\n if( (avctx->skip_frame >= AVDISCARD_NONREF && si.type==AV_PICTURE_TYPE_B)\n || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=AV_PICTURE_TYPE_I)\n || avctx->skip_frame >= AVDISCARD_ALL)\n return avpkt->size;\n if (si.start == 0) {\n if (s->mb_num_left > 0) {\n av_log(avctx, AV_LOG_ERROR, "New frame but still %d MB left.",\n s->mb_num_left);\n ff_er_frame_end(s);\n ff_MPV_frame_end(s);\n }\n if (s->width != si.width || s->height != si.height) {\n int err;\n av_log(s->avctx, AV_LOG_WARNING, "Changing dimensions to %dx%d\\n",\n si.width, si.height);\n s->width = si.width;\n s->height = si.height;\n avcodec_set_dimensions(s->avctx, s->width, s->height);\n if ((err = ff_MPV_common_frame_size_change(s)) < 0)\n return err;\n if ((err = rv34_decoder_realloc(r)) < 0)\n return err;\n }\n s->pict_type = si.type ? si.type : AV_PICTURE_TYPE_I;\n if (ff_MPV_frame_start(s, s->avctx) < 0)\n return -1;\n ff_er_frame_start(s);\n if (!r->tmp_b_block_base) {\n int i;\n r->tmp_b_block_base = av_malloc(s->linesize * 48);\n for (i = 0; i < 2; i++)\n r->tmp_b_block_y[i] = r->tmp_b_block_base\n + i * 16 * s->linesize;\n for (i = 0; i < 4; i++)\n r->tmp_b_block_uv[i] = r->tmp_b_block_base + 32 * s->linesize\n + (i >> 1) * 8 * s->uvlinesize\n + (i & 1) * 16;\n }\n r->cur_pts = si.pts;\n if (s->pict_type != AV_PICTURE_TYPE_B) {\n r->last_pts = r->next_pts;\n r->next_pts = r->cur_pts;\n } else {\n int refdist = GET_PTS_DIFF(r->next_pts, r->last_pts);\n int dist0 = GET_PTS_DIFF(r->cur_pts, r->last_pts);\n int dist1 = GET_PTS_DIFF(r->next_pts, r->cur_pts);\n if(!refdist){\n r->mv_weight1 = r->mv_weight2 = r->weight1 = r->weight2 = 8192;\n r->scaled_weight = 0;\n }else{\n r->mv_weight1 = (dist0 << 14) / refdist;\n r->mv_weight2 = (dist1 << 14) / refdist;\n if((r->mv_weight1|r->mv_weight2) & 511){\n r->weight1 = r->mv_weight1;\n r->weight2 = r->mv_weight2;\n r->scaled_weight = 0;\n }else{\n r->weight1 = r->mv_weight1 >> 9;\n r->weight2 = r->mv_weight2 >> 9;\n r->scaled_weight = 1;\n }\n }\n }\n s->mb_x = s->mb_y = 0;\n ff_thread_finish_setup(s->avctx);\n } else if (HAVE_THREADS &&\n (s->avctx->active_thread_type & FF_THREAD_FRAME)) {\n av_log(s->avctx, AV_LOG_ERROR, "Decoder needs full frames in frame "\n "multithreading mode (start MB is %d).\\n", si.start);\n return AVERROR_INVALIDDATA;\n }\n for(i = 0; i < slice_count; i++){\n int offset = get_slice_offset(avctx, slices_hdr, i);\n int size;\n if(i+1 == slice_count)\n size = buf_size - offset;\n else\n size = get_slice_offset(avctx, slices_hdr, i+1) - offset;\n if(offset < 0 || offset > buf_size){\n av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\\n");\n break;\n }\n r->si.end = s->mb_width * s->mb_height;\n s->mb_num_left = r->s.mb_x + r->s.mb_y*r->s.mb_width - r->si.start;\n if(i+1 < slice_count){\n if (get_slice_offset(avctx, slices_hdr, i+1) < 0 ||\n get_slice_offset(avctx, slices_hdr, i+1) > buf_size) {\n av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\\n");\n break;\n }\n init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, i+1), (buf_size-get_slice_offset(avctx, slices_hdr, i+1))*8);\n if(r->parse_slice_header(r, &r->s.gb, &si) < 0){\n if(i+2 < slice_count)\n size = get_slice_offset(avctx, slices_hdr, i+2) - offset;\n else\n size = buf_size - offset;\n }else\n r->si.end = si.start;\n }\n if (size < 0 || size > buf_size - offset) {\n av_log(avctx, AV_LOG_ERROR, "Slice size is invalid\\n");\n break;\n }\n last = rv34_decode_slice(r, r->si.end, buf + offset, size);\n if(last)\n break;\n }\n if (s->current_picture_ptr) {\n if (last) {\n if(r->loop_filter)\n r->loop_filter(r, s->mb_height - 1);\n *got_picture_ptr = finish_frame(avctx, pict);\n } else if (HAVE_THREADS &&\n (s->avctx->active_thread_type & FF_THREAD_FRAME)) {\n av_log(avctx, AV_LOG_INFO, "marking unfished frame as finished\\n");\n ff_er_frame_end(s);\n ff_MPV_frame_end(s);\n s->mb_num_left = 0;\n ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 0);\n return AVERROR_INVALIDDATA;\n }\n }\n return avpkt->size;\n}', 'void ff_er_frame_end(MpegEncContext *s)\n{\n int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;\n int distance;\n int threshold_part[4] = { 100, 100, 100 };\n int threshold = 50;\n int is_intra_likely;\n int size = s->b8_stride * 2 * s->mb_height;\n Picture *pic = s->current_picture_ptr;\n if (!s->err_recognition || s->error_count == 0 ||\n s->avctx->hwaccel ||\n s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU ||\n s->picture_structure != PICT_FRAME ||\n s->error_count == 3 * s->mb_width *\n (s->avctx->skip_top + s->avctx->skip_bottom)) {\n return;\n };\n if (s->current_picture.f.motion_val[0] == NULL) {\n av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\\n");\n for (i = 0; i < 2; i++) {\n pic->f.ref_index[i] = av_mallocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));\n pic->motion_val_base[i] = av_mallocz((size + 4) * 2 * sizeof(uint16_t));\n pic->f.motion_val[i] = pic->motion_val_base[i] + 4;\n }\n pic->f.motion_subsample_log2 = 3;\n s->current_picture = *s->current_picture_ptr;\n }\n if (s->avctx->debug & FF_DEBUG_ER) {\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int status = s->error_status_table[mb_x + mb_y * s->mb_stride];\n av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);\n }\n av_log(s->avctx, AV_LOG_DEBUG, "\\n");\n }\n }\n for (error_type = 1; error_type <= 3; error_type++) {\n int end_ok = 0;\n for (i = s->mb_num - 1; i >= 0; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (error & (1 << error_type))\n end_ok = 1;\n if (error & (8 << error_type))\n end_ok = 1;\n if (!end_ok)\n s->error_status_table[mb_xy] |= 1 << error_type;\n if (error & VP_START)\n end_ok = 0;\n }\n }\n if (s->partitioned_frame) {\n int end_ok = 0;\n for (i = s->mb_num - 1; i >= 0; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (error & ER_AC_END)\n end_ok = 0;\n if ((error & ER_MV_END) ||\n (error & ER_DC_END) ||\n (error & ER_AC_ERROR))\n end_ok = 1;\n if (!end_ok)\n s->error_status_table[mb_xy]|= ER_AC_ERROR;\n if (error & VP_START)\n end_ok = 0;\n }\n }\n if (s->err_recognition & AV_EF_EXPLODE) {\n int end_ok = 1;\n for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error1 = s->error_status_table[mb_xy];\n int error2 = s->error_status_table[s->mb_index2xy[i + 1]];\n if (error1 & VP_START)\n end_ok = 1;\n if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) &&\n error1 != (VP_START | ER_MB_ERROR | ER_MB_END) &&\n ((error1 & ER_AC_END) || (error1 & ER_DC_END) ||\n (error1 & ER_MV_END))) {\n end_ok = 0;\n }\n if (!end_ok)\n s->error_status_table[mb_xy] |= ER_MB_ERROR;\n }\n }\n distance = 9999999;\n for (error_type = 1; error_type <= 3; error_type++) {\n for (i = s->mb_num - 1; i >= 0; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (!s->mbskip_table[mb_xy])\n distance++;\n if (error & (1 << error_type))\n distance = 0;\n if (s->partitioned_frame) {\n if (distance < threshold_part[error_type - 1])\n s->error_status_table[mb_xy] |= 1 << error_type;\n } else {\n if (distance < threshold)\n s->error_status_table[mb_xy] |= 1 << error_type;\n }\n if (error & VP_START)\n distance = 9999999;\n }\n }\n error = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n int old_error = s->error_status_table[mb_xy];\n if (old_error & VP_START) {\n error = old_error & ER_MB_ERROR;\n } else {\n error |= old_error & ER_MB_ERROR;\n s->error_status_table[mb_xy] |= error;\n }\n }\n if (!s->partitioned_frame) {\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n error = s->error_status_table[mb_xy];\n if (error & ER_MB_ERROR)\n error |= ER_MB_ERROR;\n s->error_status_table[mb_xy] = error;\n }\n }\n dc_error = ac_error = mv_error = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n error = s->error_status_table[mb_xy];\n if (error & ER_DC_ERROR)\n dc_error++;\n if (error & ER_AC_ERROR)\n ac_error++;\n if (error & ER_MV_ERROR)\n mv_error++;\n }\n av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors\\n",\n dc_error, ac_error, mv_error);\n is_intra_likely = is_intra_more_likely(s);\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n error = s->error_status_table[mb_xy];\n if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))\n continue;\n if (is_intra_likely)\n s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n else\n s->current_picture.f.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;\n }\n if (!s->last_picture.f.data[0] && !s->next_picture.f.data[0])\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n if (!IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n }\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n s->mb_x = 0;\n s->mb_y = mb_y;\n ff_init_block_index(s);\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n int dir = !s->last_picture.f.data[0];\n ff_update_block_index(s);\n error = s->error_status_table[mb_xy];\n if (IS_INTRA(mb_type))\n continue;\n if (error & ER_MV_ERROR)\n continue;\n if (!(error & ER_AC_ERROR))\n continue;\n s->mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;\n s->mb_intra = 0;\n s->mb_skipped = 0;\n if (IS_8X8(mb_type)) {\n int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;\n int j;\n s->mv_type = MV_TYPE_8X8;\n for (j = 0; j < 4; j++) {\n s->mv[0][j][0] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];\n s->mv[0][j][1] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];\n }\n } else {\n s->mv_type = MV_TYPE_16X16;\n s->mv[0][0][0] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];\n s->mv[0][0][1] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];\n }\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x = mb_x;\n s->mb_y = mb_y;\n decode_mb(s, 0 );\n }\n }\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n s->mb_x = 0;\n s->mb_y = mb_y;\n ff_init_block_index(s);\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int xy = mb_x * 2 + mb_y * 2 * s->b8_stride;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n ff_update_block_index(s);\n error = s->error_status_table[mb_xy];\n if (IS_INTRA(mb_type))\n continue;\n if (!(error & ER_MV_ERROR))\n continue;\n if (!(error & ER_AC_ERROR))\n continue;\n s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;\n if (!s->last_picture.f.data[0])\n s->mv_dir &= ~MV_DIR_FORWARD;\n if (!s->next_picture.f.data[0])\n s->mv_dir &= ~MV_DIR_BACKWARD;\n s->mb_intra = 0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped = 0;\n if (s->pp_time) {\n int time_pp = s->pp_time;\n int time_pb = s->pb_time;\n ff_thread_await_progress(&s->next_picture_ptr->f, mb_y, 0);\n s->mv[0][0][0] = s->next_picture.f.motion_val[0][xy][0] * time_pb / time_pp;\n s->mv[0][0][1] = s->next_picture.f.motion_val[0][xy][1] * time_pb / time_pp;\n s->mv[1][0][0] = s->next_picture.f.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;\n s->mv[1][0][1] = s->next_picture.f.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp;\n } else {\n s->mv[0][0][0] = 0;\n s->mv[0][0][1] = 0;\n s->mv[1][0][0] = 0;\n s->mv[1][0][1] = 0;\n }\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x = mb_x;\n s->mb_y = mb_y;\n decode_mb(s, 0);\n }\n }\n } else\n guess_mv(s);\n if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)\n goto ec_clean;\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int dc, dcu, dcv, y, n;\n int16_t *dc_ptr;\n uint8_t *dest_y, *dest_cb, *dest_cr;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n error = s->error_status_table[mb_xy];\n if (IS_INTRA(mb_type) && s->partitioned_frame)\n continue;\n dest_y = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;\n dest_cb = s->current_picture.f.data[1] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n dest_cr = s->current_picture.f.data[2] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride];\n for (n = 0; n < 4; n++) {\n dc = 0;\n for (y = 0; y < 8; y++) {\n int x;\n for (x = 0; x < 8; x++)\n dc += dest_y[x + (n & 1) * 8 +\n (y + (n >> 1) * 8) * s->linesize];\n }\n dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3;\n }\n dcu = dcv = 0;\n for (y = 0; y < 8; y++) {\n int x;\n for (x = 0; x < 8; x++) {\n dcu += dest_cb[x + y * s->uvlinesize];\n dcv += dest_cr[x + y * s->uvlinesize];\n }\n }\n s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3;\n s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3;\n }\n }\n guess_dc(s, s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride, 1);\n guess_dc(s, s->dc_val[1], s->mb_width, s->mb_height, s->mb_stride, 0);\n guess_dc(s, s->dc_val[2], s->mb_width, s->mb_height, s->mb_stride, 0);\n filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride);\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n uint8_t *dest_y, *dest_cb, *dest_cr;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n error = s->error_status_table[mb_xy];\n if (IS_INTER(mb_type))\n continue;\n if (!(error & ER_AC_ERROR))\n continue;\n dest_y = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;\n dest_cb = s->current_picture.f.data[1] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n dest_cr = s->current_picture.f.data[2] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);\n }\n }\n if (s->avctx->error_concealment & FF_EC_DEBLOCK) {\n h_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,\n s->mb_height * 2, s->linesize, 1);\n h_block_filter(s, s->current_picture.f.data[1], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n h_block_filter(s, s->current_picture.f.data[2], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n v_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,\n s->mb_height * 2, s->linesize, 1);\n v_block_filter(s, s->current_picture.f.data[1], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n v_block_filter(s, s->current_picture.f.data[2], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n }\nec_clean:\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (s->pict_type != AV_PICTURE_TYPE_B &&\n (error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) {\n s->mbskip_table[mb_xy] = 0;\n }\n s->mbintra_table[mb_xy] = 1;\n }\n}', 'static int is_intra_more_likely(MpegEncContext *s)\n{\n int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;\n if (!s->last_picture_ptr || !s->last_picture_ptr->f.data[0])\n return 1;\n undamaged_count = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n const int error = s->error_status_table[mb_xy];\n if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))\n undamaged_count++;\n }\n if (s->codec_id == AV_CODEC_ID_H264) {\n H264Context *h = (void*) s;\n if (h->list_count <= 0 || h->ref_count[0] <= 0 ||\n !h->ref_list[0][0].f.data[0])\n return 1;\n }\n if (undamaged_count < 5)\n return 0;\n if (CONFIG_MPEG_XVMC_DECODER &&\n s->avctx->xvmc_acceleration &&\n s->pict_type == AV_PICTURE_TYPE_I)\n return 1;\n skip_amount = FFMAX(undamaged_count / 50, 1);\n is_intra_likely = 0;\n j = 0;\n for (mb_y = 0; mb_y < s->mb_height - 1; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int error;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n error = s->error_status_table[mb_xy];\n if ((error & ER_DC_ERROR) && (error & ER_MV_ERROR))\n continue;\n j++;\n if ((j % skip_amount) != 0)\n continue;\n if (s->pict_type == AV_PICTURE_TYPE_I) {\n uint8_t *mb_ptr = s->current_picture.f.data[0] +\n mb_x * 16 + mb_y * 16 * s->linesize;\n uint8_t *last_mb_ptr = s->last_picture.f.data[0] +\n mb_x * 16 + mb_y * 16 * s->linesize;\n if (s->avctx->codec_id == AV_CODEC_ID_H264) {\n } else {\n ff_thread_await_progress(&s->last_picture_ptr->f,\n mb_y, 0);\n }\n is_intra_likely += s->dsp.sad[0](NULL, last_mb_ptr, mb_ptr,\n s->linesize, 16);\n is_intra_likely -= s->dsp.sad[0](NULL, last_mb_ptr,\n last_mb_ptr + s->linesize * 16,\n s->linesize, 16);\n } else {\n if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n is_intra_likely++;\n else\n is_intra_likely--;\n }\n }\n }\n return is_intra_likely > 0;\n}', 'static void decode_mb(MpegEncContext *s, int ref)\n{\n s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;\n s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);\n s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);\n if (CONFIG_H264_DECODER && s->codec_id == AV_CODEC_ID_H264) {\n H264Context *h = (void*)s;\n h->mb_xy = s->mb_x + s->mb_y * s->mb_stride;\n memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));\n assert(ref >= 0);\n if (ref >= h->ref_count[0])\n ref = 0;\n fill_rectangle(&s->current_picture.f.ref_index[0][4 * h->mb_xy],\n 2, 2, 2, ref, 1);\n fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);\n fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,\n pack16to32(s->mv[0][0][0], s->mv[0][0][1]), 4);\n assert(!FRAME_MBAFF);\n ff_h264_hl_decode_mb(h);\n } else {\n assert(ref == 0);\n ff_MPV_decode_mb(s, s->block);\n }\n}', 'void ff_h264_hl_decode_mb(H264Context *h)\n{\n MpegEncContext *const s = &h->s;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;\n if (CHROMA444) {\n if (is_complex || h->pixel_shift)\n hl_decode_mb_444_complex(h);\n else\n hl_decode_mb_444_simple_8(h);\n } else if (is_complex) {\n hl_decode_mb_complex(h);\n } else if (h->pixel_shift) {\n hl_decode_mb_simple_16(h);\n } else\n hl_decode_mb_simple_8(h);\n}', 'static av_noinline void FUNC(hl_decode_mb_444)(H264Context *h)\n{\n MpegEncContext *const s = &h->s;\n const int mb_x = s->mb_x;\n const int mb_y = s->mb_y;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n uint8_t *dest[3];\n int linesize;\n int i, j, p;\n int *block_offset = &h->block_offset[0];\n const int transform_bypass = !SIMPLE && (s->qscale == 0 && h->sps.transform_bypass);\n const int plane_count = (SIMPLE || !CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) ? 3 : 1;\n for (p = 0; p < plane_count; p++) {\n dest[p] = s->current_picture.f.data[p] +\n ((mb_x << PIXEL_SHIFT) + mb_y * s->linesize) * 16;\n s->vdsp.prefetch(dest[p] + (s->mb_x & 3) * 4 * s->linesize + (64 << PIXEL_SHIFT),\n s->linesize, 4);\n }\n h->list_counts[mb_xy] = h->list_count;\n if (!SIMPLE && MB_FIELD) {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;\n block_offset = &h->block_offset[48];\n if (mb_y & 1)\n for (p = 0; p < 3; p++)\n dest[p] -= s->linesize * 15;\n if (FRAME_MBAFF) {\n int list;\n for (list = 0; list < h->list_count; list++) {\n if (!USES_LIST(mb_type, list))\n continue;\n if (IS_16X16(mb_type)) {\n int8_t *ref = &h->ref_cache[list][scan8[0]];\n fill_rectangle(ref, 4, 4, 8, (16 + *ref) ^ (s->mb_y & 1), 1);\n } else {\n for (i = 0; i < 16; i += 4) {\n int ref = h->ref_cache[list][scan8[i]];\n if (ref >= 0)\n fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2,\n 8, (16 + ref) ^ (s->mb_y & 1), 1);\n }\n }\n }\n }\n } else {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;\n }\n if (!SIMPLE && IS_INTRA_PCM(mb_type)) {\n if (PIXEL_SHIFT) {\n const int bit_depth = h->sps.bit_depth_luma;\n GetBitContext gb;\n init_get_bits(&gb, (uint8_t *)h->mb, 768 * bit_depth);\n for (p = 0; p < plane_count; p++)\n for (i = 0; i < 16; i++) {\n uint16_t *tmp = (uint16_t *)(dest[p] + i * linesize);\n for (j = 0; j < 16; j++)\n tmp[j] = get_bits(&gb, bit_depth);\n }\n } else {\n for (p = 0; p < plane_count; p++)\n for (i = 0; i < 16; i++)\n memcpy(dest[p] + i * linesize,\n (uint8_t *)h->mb + p * 256 + i * 16, 16);\n }\n } else {\n if (IS_INTRA(mb_type)) {\n if (h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize,\n linesize, 1, 1, SIMPLE, PIXEL_SHIFT);\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_predict_luma(h, mb_type, 1, SIMPLE,\n transform_bypass, PIXEL_SHIFT,\n block_offset, linesize, dest[p], p);\n if (h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize,\n linesize, 0, 1, SIMPLE, PIXEL_SHIFT);\n } else {\n FUNC(hl_motion_444)(h, dest[0], dest[1], dest[2],\n s->me.qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,\n s->me.qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,\n h->h264dsp.weight_h264_pixels_tab,\n h->h264dsp.biweight_h264_pixels_tab);\n }\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_idct_luma(h, mb_type, 1, SIMPLE, transform_bypass,\n PIXEL_SHIFT, block_offset, linesize,\n dest[p], p);\n }\n if (h->cbp || IS_INTRA(mb_type)) {\n s->dsp.clear_blocks(h->mb);\n s->dsp.clear_blocks(h->mb + (24 * 16 << PIXEL_SHIFT));\n }\n}', 'static void MCFUNC(hl_motion)(H264Context *h, uint8_t *dest_y,\n uint8_t *dest_cb, uint8_t *dest_cr,\n qpel_mc_func(*qpix_put)[16],\n h264_chroma_mc_func(*chroma_put),\n qpel_mc_func(*qpix_avg)[16],\n h264_chroma_mc_func(*chroma_avg),\n h264_weight_func *weight_op,\n h264_biweight_func *weight_avg)\n{\n MpegEncContext *const s = &h->s;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n assert(IS_INTER(mb_type));\n if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))\n await_references(h);\n prefetch_motion(h, 0, PIXEL_SHIFT, CHROMA_IDC);\n if (IS_16X16(mb_type)) {\n mc_part(h, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));\n } else if (IS_16X8(mb_type)) {\n mc_part(h, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));\n mc_part(h, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));\n } else if (IS_8X16(mb_type)) {\n mc_part(h, 0, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));\n mc_part(h, 4, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));\n } else {\n int i;\n assert(IS_8X8(mb_type));\n for (i = 0; i < 4; i++) {\n const int sub_mb_type = h->sub_mb_type[i];\n const int n = 4 * i;\n int x_offset = (i & 1) << 2;\n int y_offset = (i & 2) << 1;\n if (IS_SUB_8X8(sub_mb_type)) {\n mc_part(h, n, 1, 8, 0, dest_y, dest_cb, dest_cr,\n x_offset, y_offset,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n } else if (IS_SUB_8X4(sub_mb_type)) {\n mc_part(h, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr,\n x_offset, y_offset,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n mc_part(h, n + 2, 0, 4, 4 << PIXEL_SHIFT,\n dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n } else if (IS_SUB_4X8(sub_mb_type)) {\n mc_part(h, n, 0, 8, 4 * h->mb_linesize,\n dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n mc_part(h, n + 1, 0, 8, 4 * h->mb_linesize,\n dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n } else {\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for (j = 0; j < 4; j++) {\n int sub_x_offset = x_offset + 2 * (j & 1);\n int sub_y_offset = y_offset + (j & 2);\n mc_part(h, n + j, 1, 4, 0,\n dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n }\n }\n }\n }\n prefetch_motion(h, 1, PIXEL_SHIFT, CHROMA_IDC);\n}', 'static void await_references(H264Context *h)\n{\n MpegEncContext *const s = &h->s;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n int refs[2][48];\n int nrefs[2] = { 0 };\n int ref, list;\n memset(refs, -1, sizeof(refs));\n if (IS_16X16(mb_type)) {\n get_lowest_part_y(h, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n } else if (IS_16X8(mb_type)) {\n get_lowest_part_y(h, refs, 0, 8, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, 8, 8, 8,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n } else if (IS_8X16(mb_type)) {\n get_lowest_part_y(h, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, 4, 16, 0,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n } else {\n int i;\n assert(IS_8X8(mb_type));\n for (i = 0; i < 4; i++) {\n const int sub_mb_type = h->sub_mb_type[i];\n const int n = 4 * i;\n int y_offset = (i & 2) << 2;\n if (IS_SUB_8X8(sub_mb_type)) {\n get_lowest_part_y(h, refs, n, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else if (IS_SUB_8X4(sub_mb_type)) {\n get_lowest_part_y(h, refs, n, 4, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else if (IS_SUB_4X8(sub_mb_type)) {\n get_lowest_part_y(h, refs, n, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n get_lowest_part_y(h, refs, n + 1, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else {\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for (j = 0; j < 4; j++) {\n int sub_y_offset = y_offset + 2 * (j & 2);\n get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n }\n }\n }\n }\n for (list = h->list_count - 1; list >= 0; list--)\n for (ref = 0; ref < 48 && nrefs[list]; ref++) {\n int row = refs[list][ref];\n if (row >= 0) {\n Picture *ref_pic = &h->ref_list[list][ref];\n int ref_field = ref_pic->f.reference - 1;\n int ref_field_picture = ref_pic->field_picture;\n int pic_height = 16 * s->mb_height >> ref_field_picture;\n row <<= MB_MBAFF;\n nrefs[list]--;\n if (!FIELD_PICTURE && ref_field_picture) {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN((row >> 1) - !(row & 1),\n pic_height - 1),\n 1);\n ff_thread_await_progress(&ref_pic->f,\n FFMIN((row >> 1), pic_height - 1),\n 0);\n } else if (FIELD_PICTURE && !ref_field_picture) {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN(row * 2 + ref_field,\n pic_height - 1),\n 0);\n } else if (FIELD_PICTURE) {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN(row, pic_height - 1),\n ref_field);\n } else {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN(row, pic_height - 1),\n 0);\n }\n }\n }\n}'] |
16,400 | 0 | https://github.com/openssl/openssl/blob/df72970951f72b1edc204e7a398c782d9082b46d/apps/apps.c/#L393 | int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
{
int num,i;
char *p;
*argc=0;
*argv=NULL;
i=0;
if (arg->count == 0)
{
arg->count=20;
arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
}
for (i=0; i<arg->count; i++)
arg->data[i]=NULL;
num=0;
p=buf;
for (;;)
{
if (!*p) break;
while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
p++;
if (!*p) break;
if (num >= arg->count)
{
char **tmp_p;
int tlen = arg->count + 20;
tmp_p = (char **)OPENSSL_realloc(arg->data,
sizeof(char *)*tlen);
if (tmp_p == NULL)
return 0;
arg->data = tmp_p;
arg->count = tlen;
for (i = num; i < arg->count; i++)
arg->data[i] = NULL;
}
arg->data[num++]=p;
if ((*p == '\'') || (*p == '\"'))
{
i= *(p++);
arg->data[num-1]++;
while (*p && (*p != i))
p++;
*p='\0';
}
else
{
while (*p && ((*p != ' ') &&
(*p != '\t') && (*p != '\n')))
p++;
if (*p == '\0')
p--;
else
*p='\0';
}
p++;
}
*argc=num;
*argv=arg->data;
return(1);
} | ['int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])\n\t{\n\tint num,i;\n\tchar *p;\n\t*argc=0;\n\t*argv=NULL;\n\ti=0;\n\tif (arg->count == 0)\n\t\t{\n\t\targ->count=20;\n\t\targ->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);\n\t\t}\n\tfor (i=0; i<arg->count; i++)\n\t\targ->data[i]=NULL;\n\tnum=0;\n\tp=buf;\n\tfor (;;)\n\t\t{\n\t\tif (!*p) break;\n\t\twhile (*p && ((*p == \' \') || (*p == \'\\t\') || (*p == \'\\n\')))\n\t\t\tp++;\n\t\tif (!*p) break;\n\t\tif (num >= arg->count)\n\t\t\t{\n\t\t\tchar **tmp_p;\n\t\t\tint tlen = arg->count + 20;\n\t\t\ttmp_p = (char **)OPENSSL_realloc(arg->data,\n\t\t\t\tsizeof(char *)*tlen);\n\t\t\tif (tmp_p == NULL)\n\t\t\t\treturn 0;\n\t\t\targ->data = tmp_p;\n\t\t\targ->count = tlen;\n\t\t\tfor (i = num; i < arg->count; i++)\n\t\t\t\targ->data[i] = NULL;\n\t\t\t}\n\t\targ->data[num++]=p;\n\t\tif ((*p == \'\\\'\') || (*p == \'\\"\'))\n\t\t\t{\n\t\t\ti= *(p++);\n\t\t\targ->data[num-1]++;\n\t\t\twhile (*p && (*p != i))\n\t\t\t\tp++;\n\t\t\t*p=\'\\0\';\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\twhile (*p && ((*p != \' \') &&\n\t\t\t\t(*p != \'\\t\') && (*p != \'\\n\')))\n\t\t\t\tp++;\n\t\t\tif (*p == \'\\0\')\n\t\t\t\tp--;\n\t\t\telse\n\t\t\t\t*p=\'\\0\';\n\t\t\t}\n\t\tp++;\n\t\t}\n\t*argc=num;\n\t*argv=arg->data;\n\treturn(1);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}'] |
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