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 |
|---|---|---|---|---|
21,401 | 0 | https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavcodec/mpegaudiodec.c/#L906 | void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
int32_t sb_samples[SBLIMIT])
{
int32_t tmp[32];
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset, v;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
dct32(tmp, sb_samples);
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
for(j=0;j<32;j++) {
v = tmp[j];
#if FRAC_BITS <= 15
v = av_clip_int16(v);
#endif
synth_buf[j] = v;
}
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(MACS, sum, w, p);
p = synth_buf + 48;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | ['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n mpa_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n int32_t sb_samples[SBLIMIT])\n{\n int32_t tmp[32];\n register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset, v;\n OUT_INT *samples2;\n#if FRAC_BITS <= 15\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n dct32(tmp, sb_samples);\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n for(j=0;j<32;j++) {\n v = tmp[j];\n#if FRAC_BITS <= 15\n v = av_clip_int16(v);\n#endif\n synth_buf[j] = v;\n }\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}'] |
21,402 | 0 | https://github.com/libav/libav/blob/8d617b11cfc87b2c6056fee029ac5bc760af874a/libavformat/utils.c/#L2699 | void avformat_close_input(AVFormatContext **ps)
{
AVFormatContext *s = *ps;
AVIOContext *pb = s->pb;
if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||
(s->flags & AVFMT_FLAG_CUSTOM_IO))
pb = NULL;
flush_packet_queue(s);
if (s->iformat) {
if (s->iformat->read_close)
s->iformat->read_close(s);
}
avformat_free_context(s);
*ps = NULL;
avio_close(pb);
} | ['void avformat_close_input(AVFormatContext **ps)\n{\n AVFormatContext *s = *ps;\n AVIOContext *pb = s->pb;\n if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||\n (s->flags & AVFMT_FLAG_CUSTOM_IO))\n pb = NULL;\n flush_packet_queue(s);\n if (s->iformat) {\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n }\n avformat_free_context(s);\n *ps = NULL;\n avio_close(pb);\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 avio_flush(AVIOContext *s)\n{\n flush_buffer(s);\n s->must_flush = 0;\n}', 'static void flush_buffer(AVIOContext *s)\n{\n if (s->buf_ptr > s->buffer) {\n if (s->write_packet && !s->error) {\n int ret = s->write_packet(s->opaque, s->buffer,\n s->buf_ptr - s->buffer);\n if (ret < 0) {\n s->error = ret;\n }\n }\n if (s->update_checksum) {\n s->checksum = s->update_checksum(s->checksum, s->checksum_ptr,\n s->buf_ptr - s->checksum_ptr);\n s->checksum_ptr = s->buffer;\n }\n s->pos += s->buf_ptr - s->buffer;\n }\n s->buf_ptr = s->buffer;\n}'] |
21,403 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/test/bntest.c/#L1074 | int test_mod_exp_mont_consttime(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a, *b, *c, *d, *e;
int i;
a = BN_new();
b = BN_new();
c = BN_new();
d = BN_new();
e = BN_new();
BN_one(a);
BN_one(b);
BN_zero(c);
if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {
fprintf(stderr, "BN_mod_exp_mont_consttime with zero modulus "
"succeeded\n");
return 0;
}
BN_set_word(c, 16);
if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {
fprintf(stderr, "BN_mod_exp_mont_consttime with even modulus "
"succeeded\n");
return 0;
}
BN_bntest_rand(c, 30, 0, 1);
for (i = 0; i < num2; i++) {
BN_bntest_rand(a, 20 + i * 5, 0, 0);
BN_bntest_rand(b, 2 + i, 0, 0);
if (!BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL))
return (00);
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " ^ ");
BN_print(bp, b);
BIO_puts(bp, " % ");
BN_print(bp, c);
BIO_puts(bp, " - ");
}
BN_print(bp, d);
BIO_puts(bp, "\n");
}
BN_exp(e, a, b, ctx);
BN_sub(e, e, d);
BN_div(a, b, e, c, ctx);
if (!BN_is_zero(b)) {
fprintf(stderr, "Modulo exponentiation test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
return (1);
} | ['int test_mod_exp_mont_consttime(BIO *bp, BN_CTX *ctx)\n{\n BIGNUM *a, *b, *c, *d, *e;\n int i;\n a = BN_new();\n b = BN_new();\n c = BN_new();\n d = BN_new();\n e = BN_new();\n BN_one(a);\n BN_one(b);\n BN_zero(c);\n if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {\n fprintf(stderr, "BN_mod_exp_mont_consttime with zero modulus "\n "succeeded\\n");\n return 0;\n }\n BN_set_word(c, 16);\n if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {\n fprintf(stderr, "BN_mod_exp_mont_consttime with even modulus "\n "succeeded\\n");\n return 0;\n }\n BN_bntest_rand(c, 30, 0, 1);\n for (i = 0; i < num2; i++) {\n BN_bntest_rand(a, 20 + i * 5, 0, 0);\n BN_bntest_rand(b, 2 + i, 0, 0);\n if (!BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL))\n return (00);\n if (bp != NULL) {\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " ^ ");\n BN_print(bp, b);\n BIO_puts(bp, " % ");\n BN_print(bp, c);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, d);\n BIO_puts(bp, "\\n");\n }\n BN_exp(e, a, b, ctx);\n BN_sub(e, e, d);\n BN_div(a, b, e, c, ctx);\n if (!BN_is_zero(b)) {\n fprintf(stderr, "Modulo exponentiation test failed!\\n");\n return 0;\n }\n }\n BN_free(a);\n BN_free(b);\n BN_free(c);\n BN_free(d);\n BN_free(e);\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#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}', '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}'] |
21,404 | 0 | https://github.com/libav/libav/blob/5351964a2b524d1cb70c268c3e9436fd2990429b/libavcodec/mpeg12dec.c/#L173 | static inline int mpeg1_decode_block_intra(MpegEncContext *s,
int16_t *block, int n)
{
int level, dc, diff, i, j, run;
int component;
RLTable *rl = &ff_rl_mpeg1;
uint8_t *const scantable = s->intra_scantable.permutated;
const uint16_t *quant_matrix = s->intra_matrix;
const int qscale = s->qscale;
component = (n <= 3 ? 0 : n - 4 + 1);
diff = decode_dc(&s->gb, component);
if (diff >= 0xffff)
return -1;
dc = s->last_dc[component];
dc += diff;
s->last_dc[component] = dc;
block[0] = dc * quant_matrix[0];
av_dlog(s->avctx, "dc=%d diff=%d\n", dc, diff);
i = 0;
{
OPEN_READER(re, &s->gb);
for (;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0],
TEX_VLC_BITS, 2, 0);
if (level == 127) {
break;
} else if (level != 0) {
i += run;
check_scantable_index(s, i);
j = scantable[i];
level = (level * qscale * quant_matrix[j]) >> 4;
level = (level - 1) | 1;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) -
SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
} else {
run = SHOW_UBITS(re, &s->gb, 6) + 1;
LAST_SKIP_BITS(re, &s->gb, 6);
UPDATE_CACHE(re, &s->gb);
level = SHOW_SBITS(re, &s->gb, 8);
SKIP_BITS(re, &s->gb, 8);
if (level == -128) {
level = SHOW_UBITS(re, &s->gb, 8) - 256;
LAST_SKIP_BITS(re, &s->gb, 8);
} else if (level == 0) {
level = SHOW_UBITS(re, &s->gb, 8);
LAST_SKIP_BITS(re, &s->gb, 8);
}
i += run;
check_scantable_index(s, i);
j = scantable[i];
if (level < 0) {
level = -level;
level = (level * qscale * quant_matrix[j]) >> 4;
level = (level - 1) | 1;
level = -level;
} else {
level = (level * qscale * quant_matrix[j]) >> 4;
level = (level - 1) | 1;
}
}
block[j] = level;
}
CLOSE_READER(re, &s->gb);
}
s->block_last_index[n] = i;
return 0;
} | ['static inline int mpeg1_decode_block_intra(MpegEncContext *s,\n int16_t *block, int n)\n{\n int level, dc, diff, i, j, run;\n int component;\n RLTable *rl = &ff_rl_mpeg1;\n uint8_t *const scantable = s->intra_scantable.permutated;\n const uint16_t *quant_matrix = s->intra_matrix;\n const int qscale = s->qscale;\n component = (n <= 3 ? 0 : n - 4 + 1);\n diff = decode_dc(&s->gb, component);\n if (diff >= 0xffff)\n return -1;\n dc = s->last_dc[component];\n dc += diff;\n s->last_dc[component] = dc;\n block[0] = dc * quant_matrix[0];\n av_dlog(s->avctx, "dc=%d diff=%d\\n", dc, diff);\n i = 0;\n {\n OPEN_READER(re, &s->gb);\n for (;;) {\n UPDATE_CACHE(re, &s->gb);\n GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0],\n TEX_VLC_BITS, 2, 0);\n if (level == 127) {\n break;\n } else if (level != 0) {\n i += run;\n check_scantable_index(s, i);\n j = scantable[i];\n level = (level * qscale * quant_matrix[j]) >> 4;\n level = (level - 1) | 1;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) -\n SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n } else {\n run = SHOW_UBITS(re, &s->gb, 6) + 1;\n LAST_SKIP_BITS(re, &s->gb, 6);\n UPDATE_CACHE(re, &s->gb);\n level = SHOW_SBITS(re, &s->gb, 8);\n SKIP_BITS(re, &s->gb, 8);\n if (level == -128) {\n level = SHOW_UBITS(re, &s->gb, 8) - 256;\n LAST_SKIP_BITS(re, &s->gb, 8);\n } else if (level == 0) {\n level = SHOW_UBITS(re, &s->gb, 8);\n LAST_SKIP_BITS(re, &s->gb, 8);\n }\n i += run;\n check_scantable_index(s, i);\n j = scantable[i];\n if (level < 0) {\n level = -level;\n level = (level * qscale * quant_matrix[j]) >> 4;\n level = (level - 1) | 1;\n level = -level;\n } else {\n level = (level * qscale * quant_matrix[j]) >> 4;\n level = (level - 1) | 1;\n }\n }\n block[j] = level;\n }\n CLOSE_READER(re, &s->gb);\n }\n s->block_last_index[n] = i;\n return 0;\n}'] |
21,405 | 0 | https://github.com/libav/libav/blob/0bf511d579c7b21f1244eec688abf571ca1235bd/libavfilter/vf_transpose.c/#L104 | static int config_props_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
TransContext *trans = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);
const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format);
trans->hsub = desc_in->log2_chroma_w;
trans->vsub = desc_in->log2_chroma_h;
av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out);
outlink->w = inlink->h;
outlink->h = inlink->w;
if (inlink->sample_aspect_ratio.num){
outlink->sample_aspect_ratio = av_div_q((AVRational){1,1}, inlink->sample_aspect_ratio);
} else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
inlink->w, inlink->h, trans->dir, outlink->w, outlink->h,
trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise",
trans->dir == 0 || trans->dir == 3);
return 0;
} | ['static int config_props_output(AVFilterLink *outlink)\n{\n AVFilterContext *ctx = outlink->src;\n TransContext *trans = ctx->priv;\n AVFilterLink *inlink = ctx->inputs[0];\n const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);\n const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format);\n trans->hsub = desc_in->log2_chroma_w;\n trans->vsub = desc_in->log2_chroma_h;\n av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out);\n outlink->w = inlink->h;\n outlink->h = inlink->w;\n if (inlink->sample_aspect_ratio.num){\n outlink->sample_aspect_ratio = av_div_q((AVRational){1,1}, inlink->sample_aspect_ratio);\n } else\n outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;\n av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\\n",\n inlink->w, inlink->h, trans->dir, outlink->w, outlink->h,\n trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise",\n trans->dir == 0 || trans->dir == 3);\n return 0;\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}'] |
21,406 | 0 | https://github.com/openssl/openssl/blob/0bde1089f895718db2fe2637fda4a0c2ed6df904/crypto/lhash/lhash.c/#L356 | static void contract(LHASH *lh)
{
LHASH_NODE **n,*n1,*np;
np=lh->b[lh->p+lh->pmax-1];
lh->b[lh->p+lh->pmax-1]=NULL;
if (lh->p == 0)
{
n=(LHASH_NODE **)Realloc(lh->b,
(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));
if (n == NULL)
{
lh->error++;
return;
}
lh->num_contract_reallocs++;
lh->num_alloc_nodes/=2;
lh->pmax/=2;
lh->p=lh->pmax-1;
lh->b=n;
}
else
lh->p--;
lh->num_nodes--;
lh->num_contracts++;
n1=lh->b[(int)lh->p];
if (n1 == NULL)
lh->b[(int)lh->p]=np;
else
{
while (n1->next != NULL)
n1=n1->next;
n1->next=np;
}
} | ['int MAIN(int argc, char **argv)\n\t{\n\tdouble totalTime = 0.0;\n\tint nConn = 0;\n\tSSL *scon=NULL;\n\tlong finishtime=0;\n\tint ret=1,i;\n\tMS_STATIC char buf[1024*8];\n\tint ver;\n\tapps_startup();\n\ts_time_init();\n\tif (bio_err == NULL)\n\t\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n#if !defined(NO_SSL2) && !defined(NO_SSL3)\n\ts_time_meth=SSLv23_client_method();\n#elif !defined(NO_SSL3)\n\ts_time_meth=SSLv3_client_method();\n#elif !defined(NO_SSL2)\n\ts_time_meth=SSLv2_client_method();\n#endif\n\tif( parseArgs( argc, argv ) < 0 )\n\t\tgoto end;\n\tSSLeay_add_ssl_algorithms();\n\tif ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);\n\tSSL_CTX_set_quiet_shutdown(tm_ctx,1);\n\tif (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);\n\tSSL_CTX_set_cipher_list(tm_ctx,tm_cipher);\n\tif(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file))\n\t\tgoto end;\n\tSSL_load_error_strings();\n\tif ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(tm_ctx)))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n\tif (tm_cipher == NULL)\n\t\ttm_cipher = getenv("SSL_CIPHER");\n\tif (tm_cipher == NULL ) {\n\t\tfprintf( stderr, "No CIPHER specified\\n" );\n\t}\n\tif (!(perform & 1)) goto next;\n\tprintf( "Collecting connection statistics for %d seconds\\n", maxTime );\n\tbytes_read=0;\n\tfinishtime=(long)time(NULL)+maxTime;\n\ttm_Time_F(START);\n\tfor (;;)\n\t\t{\n\t\tif (finishtime < time(NULL)) break;\n#ifdef WIN32_STUFF\n\t\tif( flushWinMsgs(0) == -1 )\n\t\t\tgoto end;\n\t\tif( waitingToDie || exitNow )\n\t\t\tgoto end;\n#endif\n\t\tif( (scon = doConnection( NULL )) == NULL )\n\t\t\tgoto end;\n\t\tif (s_www_path != NULL)\n\t\t\t{\n\t\t\tsprintf(buf,"GET %s HTTP/1.0\\r\\n\\r\\n",s_www_path);\n\t\t\tSSL_write(scon,buf,strlen(buf));\n\t\t\twhile ((i=SSL_read(scon,buf,sizeof(buf))) > 0)\n\t\t\t\tbytes_read+=i;\n\t\t\t}\n#ifdef NO_SHUTDOWN\n\t\tSSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);\n#else\n\t\tSSL_shutdown(scon);\n#endif\n\t\tSHUTDOWN2(SSL_get_fd(scon));\n\t\tnConn += 1;\n\t\tif (SSL_session_reused(scon))\n\t\t\tver=\'r\';\n\t\telse\n\t\t\t{\n\t\t\tver=SSL_version(scon);\n\t\t\tif (ver == TLS1_VERSION)\n\t\t\t\tver=\'t\';\n\t\t\telse if (ver == SSL3_VERSION)\n\t\t\t\tver=\'3\';\n\t\t\telse if (ver == SSL2_VERSION)\n\t\t\t\tver=\'2\';\n\t\t\telse\n\t\t\t\tver=\'*\';\n\t\t\t}\n\t\tfputc(ver,stdout);\n\t\tfflush(stdout);\n\t\tSSL_free( scon );\n\t\tscon=NULL;\n\t\t}\n\ttotalTime += tm_Time_F(STOP);\n\ti=(int)(time(NULL)-finishtime+maxTime);\n\tprintf( "\\n\\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);\n\tprintf( "%d connections in %ld real seconds, %ld bytes read per connection\\n",nConn,time(NULL)-finishtime+maxTime,bytes_read/nConn);\nnext:\n\tif (!(perform & 2)) goto end;\n\tprintf( "\\n\\nNow timing with session id reuse.\\n" );\n\tif( (scon = doConnection( NULL )) == NULL )\n\t\t{\n\t\tfprintf( stderr, "Unable to get connection\\n" );\n\t\tgoto end;\n\t\t}\n\tif (s_www_path != NULL)\n\t\t{\n\t\tsprintf(buf,"GET %s HTTP/1.0\\r\\n\\r\\n",s_www_path);\n\t\tSSL_write(scon,buf,strlen(buf));\n\t\twhile (SSL_read(scon,buf,sizeof(buf)) > 0)\n\t\t\t;\n\t\t}\n#ifdef NO_SHUTDOWN\n\tSSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);\n#else\n\tSSL_shutdown(scon);\n#endif\n\tSHUTDOWN2(SSL_get_fd(scon));\n\tnConn = 0;\n\ttotalTime = 0.0;\n\tfinishtime=time(NULL)+maxTime;\n\tprintf( "starting\\n" );\n\tbytes_read=0;\n\ttm_Time_F(START);\n\tfor (;;)\n\t\t{\n\t\tif (finishtime < time(NULL)) break;\n#ifdef WIN32_STUFF\n\t\tif( flushWinMsgs(0) == -1 )\n\t\t\tgoto end;\n\t\tif( waitingToDie || exitNow )\n\t\t\tgoto end;\n#endif\n\t \tif( (doConnection( scon )) == NULL )\n\t\t\tgoto end;\n\t\tif (s_www_path)\n\t\t\t{\n\t\t\tsprintf(buf,"GET %s HTTP/1.0\\r\\n\\r\\n",s_www_path);\n\t\t\tSSL_write(scon,buf,strlen(buf));\n\t\t\twhile ((i=SSL_read(scon,buf,sizeof(buf))) > 0)\n\t\t\t\tbytes_read+=i;\n\t\t\t}\n#ifdef NO_SHUTDOWN\n\t\tSSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);\n#else\n\t\tSSL_shutdown(scon);\n#endif\n\t\tSHUTDOWN2(SSL_get_fd(scon));\n\t\tnConn += 1;\n\t\tif (SSL_session_reused(scon))\n\t\t\tver=\'r\';\n\t\telse\n\t\t\t{\n\t\t\tver=SSL_version(scon);\n\t\t\tif (ver == TLS1_VERSION)\n\t\t\t\tver=\'t\';\n\t\t\telse if (ver == SSL3_VERSION)\n\t\t\t\tver=\'3\';\n\t\t\telse if (ver == SSL2_VERSION)\n\t\t\t\tver=\'2\';\n\t\t\telse\n\t\t\t\tver=\'*\';\n\t\t\t}\n\t\tfputc(ver,stdout);\n\t\tfflush(stdout);\n\t\t}\n\ttotalTime += tm_Time_F(STOP);\n\tprintf( "\\n\\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);\n\tprintf( "%d connections in %ld real seconds, %ld bytes read per connection\\n",nConn,time(NULL)-finishtime+maxTime,bytes_read/nConn);\n\tret=0;\nend:\n\tif (scon != NULL) SSL_free(scon);\n\tif (tm_ctx != NULL)\n\t\t{\n\t\tSSL_CTX_free(tm_ctx);\n\t\ttm_ctx=NULL;\n\t\t}\n\tEXIT(ret);\n\t}', 'static SSL *doConnection(SSL *scon)\n\t{\n\tBIO *conn;\n\tSSL *serverCon;\n\tint width, i;\n\tfd_set readfds;\n\tif ((conn=BIO_new(BIO_s_connect())) == NULL)\n\t\treturn(NULL);\n\tBIO_set_conn_hostname(conn,host);\n\tif (scon == NULL)\n\t\tserverCon=(SSL *)SSL_new(tm_ctx);\n\telse\n\t\t{\n\t\tserverCon=scon;\n\t\tSSL_set_connect_state(serverCon);\n\t\t}\n\tSSL_set_bio(serverCon,conn,conn);\n#if 0\n\tif( scon != NULL )\n\t\tSSL_set_session(serverCon,SSL_get_session(scon));\n#endif\n\tfor(;;) {\n\t\ti=SSL_connect(serverCon);\n\t\tif (BIO_sock_should_retry(i))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"DELAY\\n");\n\t\t\ti=SSL_get_fd(serverCon);\n\t\t\twidth=i+1;\n\t\t\tFD_ZERO(&readfds);\n\t\t\tFD_SET(i,&readfds);\n\t\t\tselect(width,(void *)&readfds,NULL,NULL,NULL);\n\t\t\tcontinue;\n\t\t\t}\n\t\tbreak;\n\t\t}\n\tif(i <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"ERROR\\n");\n\t\tif (verify_error != X509_V_OK)\n\t\t\tBIO_printf(bio_err,"verify error:%s\\n",\n\t\t\t\tX509_verify_cert_error_string(verify_error));\n\t\telse\n\t\t\tERR_print_errors(bio_err);\n\t\tif (scon == NULL)\n\t\t\tSSL_free(serverCon);\n\t\treturn NULL;\n\t\t}\n\treturn serverCon;\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(ssl_meth,(char *)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\tFree(s);\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\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}', 'static void contract(LHASH *lh)\n\t{\n\tLHASH_NODE **n,*n1,*np;\n\tnp=lh->b[lh->p+lh->pmax-1];\n\tlh->b[lh->p+lh->pmax-1]=NULL;\n\tif (lh->p == 0)\n\t\t{\n\t\tn=(LHASH_NODE **)Realloc(lh->b,\n\t\t\t(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));\n\t\tif (n == NULL)\n\t\t\t{\n\t\t\tlh->error++;\n\t\t\treturn;\n\t\t\t}\n\t\tlh->num_contract_reallocs++;\n\t\tlh->num_alloc_nodes/=2;\n\t\tlh->pmax/=2;\n\t\tlh->p=lh->pmax-1;\n\t\tlh->b=n;\n\t\t}\n\telse\n\t\tlh->p--;\n\tlh->num_nodes--;\n\tlh->num_contracts++;\n\tn1=lh->b[(int)lh->p];\n\tif (n1 == NULL)\n\t\tlh->b[(int)lh->p]=np;\n\telse\n\t\t{\n\t\twhile (n1->next != NULL)\n\t\t\tn1=n1->next;\n\t\tn1->next=np;\n\t\t}\n\t}'] |
21,407 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_mont.c/#L523 | BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,
const BIGNUM *mod, BN_CTX *ctx)
{
BN_MONT_CTX *ret;
CRYPTO_r_lock(lock);
ret = *pmont;
CRYPTO_r_unlock(lock);
if (ret)
return ret;
ret = BN_MONT_CTX_new();
if (ret == NULL)
return NULL;
if (!BN_MONT_CTX_set(ret, mod, ctx)) {
BN_MONT_CTX_free(ret);
return NULL;
}
CRYPTO_w_lock(lock);
if (*pmont) {
BN_MONT_CTX_free(ret);
ret = *pmont;
} else
*pmont = ret;
CRYPTO_w_unlock(lock);
return ret;
} | ['BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_r_lock(lock);\n ret = *pmont;\n CRYPTO_r_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_w_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_w_unlock(lock);\n return ret;\n}', 'void CRYPTO_lock(int mode, int type, const char *file, int line)\n{\n#ifdef LOCK_DEBUG\n {\n CRYPTO_THREADID id;\n char *rw_text, *operation_text;\n if (mode & CRYPTO_LOCK)\n operation_text = "lock ";\n else if (mode & CRYPTO_UNLOCK)\n operation_text = "unlock";\n else\n operation_text = "ERROR ";\n if (mode & CRYPTO_READ)\n rw_text = "r";\n else if (mode & CRYPTO_WRITE)\n rw_text = "w";\n else\n rw_text = "ERROR";\n CRYPTO_THREADID_current(&id);\n fprintf(stderr, "lock:%08lx:(%s)%s %-18s %s:%d\\n",\n CRYPTO_THREADID_hash(&id), rw_text, operation_text,\n CRYPTO_get_lock_name(type), file, line);\n }\n#endif\n if (type < 0) {\n if (dynlock_lock_callback != NULL) {\n struct CRYPTO_dynlock_value *pointer\n = CRYPTO_get_dynlock_value(type);\n OPENSSL_assert(pointer != NULL);\n dynlock_lock_callback(mode, pointer, file, line);\n CRYPTO_destroy_dynlockid(type);\n }\n } else if (locking_callback != NULL)\n locking_callback(mode, type, file, line);\n}', 'BN_MONT_CTX *BN_MONT_CTX_new(void)\n{\n BN_MONT_CTX *ret;\n if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)\n return (NULL);\n BN_MONT_CTX_init(ret);\n ret->flags = BN_FLG_MALLOCED;\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#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}', 'void BN_MONT_CTX_init(BN_MONT_CTX *ctx)\n{\n ctx->ri = 0;\n bn_init(&(ctx->RR));\n bn_init(&(ctx->N));\n bn_init(&(ctx->Ni));\n ctx->n0[0] = ctx->n0[1] = 0;\n ctx->flags = 0;\n}'] |
21,408 | 0 | https://github.com/libav/libav/blob/12f0388f9cb32016ac0dacaeca631b088b29bb96/libavformat/utils.c/#L2458 | void avformat_free_context(AVFormatContext *s)
{
int i, j;
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];
for (j = 0; j < st->nb_side_data; j++)
av_freep(&st->side_data[j].data);
av_freep(&st->side_data);
st->nb_side_data = 0;
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_freep(&st->probe_data.buf);
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_freep(&s->internal);
av_free(s);
} | ['int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)\n{\n int ret = 0;\n if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {\n AVIOContext pb;\n RTSPState *rt = s->priv_data;\n AVDictionary *opts = NULL;\n int len = strlen(p) * 6 / 8;\n char *buf = av_mallocz(len);\n av_base64_decode(buf, p, len);\n if (rtp_asf_fix_header(buf, len) < 0)\n av_log(s, AV_LOG_ERROR,\n "Failed to fix invalid RTSP-MS/ASF min_pktsize\\n");\n init_packetizer(&pb, buf, len);\n if (rt->asf_ctx) {\n avformat_close_input(&rt->asf_ctx);\n }\n if (!(rt->asf_ctx = avformat_alloc_context()))\n return AVERROR(ENOMEM);\n rt->asf_ctx->pb = &pb;\n av_dict_set(&opts, "no_resync_search", "1", 0);\n ret = avformat_open_input(&rt->asf_ctx, "", &ff_asf_demuxer, &opts);\n av_dict_free(&opts);\n if (ret < 0)\n return ret;\n av_dict_copy(&s->metadata, rt->asf_ctx->metadata, 0);\n rt->asf_pb_pos = avio_tell(&pb);\n av_free(buf);\n rt->asf_ctx->pb = NULL;\n }\n return ret;\n}', "int av_base64_decode(uint8_t *out, const char *in, int out_size)\n{\n int i;\n unsigned v = 0;\n uint8_t *dst = out;\n for (i = 0; in[i] && in[i] != '='; i++) {\n unsigned int index= in[i]-43;\n if (index>=FF_ARRAY_ELEMS(map2) || map2[index] == 0xff)\n return -1;\n v = (v << 6) + map2[index];\n if (i & 3) {\n if (dst - out < out_size) {\n *dst++ = v >> (6 - 2 * (i & 3));\n }\n }\n }\n return dst - out;\n}", 'static int rtp_asf_fix_header(uint8_t *buf, int len)\n{\n uint8_t *p = buf, *end = buf + len;\n if (len < sizeof(ff_asf_guid) * 2 + 22 ||\n memcmp(p, ff_asf_header, sizeof(ff_asf_guid))) {\n return -1;\n }\n p += sizeof(ff_asf_guid) + 14;\n do {\n uint64_t chunksize = AV_RL64(p + sizeof(ff_asf_guid));\n if (memcmp(p, ff_asf_file_header, sizeof(ff_asf_guid))) {\n if (chunksize > end - p)\n return -1;\n p += chunksize;\n continue;\n }\n p += 6 * 8 + 3 * 4 + sizeof(ff_asf_guid) * 2;\n if (p + 8 <= end && AV_RL32(p) == AV_RL32(p + 4)) {\n AV_WL32(p, 0);\n return 0;\n }\n break;\n } while (end - p >= sizeof(ff_asf_guid) + 8);\n return -1;\n}', 'void avformat_close_input(AVFormatContext **ps)\n{\n AVFormatContext *s = *ps;\n AVIOContext *pb = s->pb;\n if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||\n (s->flags & AVFMT_FLAG_CUSTOM_IO))\n pb = NULL;\n flush_packet_queue(s);\n if (s->iformat)\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n *ps = NULL;\n avio_close(pb);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i, j;\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 for (j = 0; j < st->nb_side_data; j++)\n av_freep(&st->side_data[j].data);\n av_freep(&st->side_data);\n st->nb_side_data = 0;\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_freep(&st->probe_data.buf);\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_freep(&s->internal);\n av_free(s);\n}'] |
21,409 | 0 | https://github.com/libav/libav/blob/da5bcafe3b728f255ad068fc406622515b435082/libavcodec/aacsbr.c/#L515 | static int sbr_hf_calc_npatches(AACContext *ac, SpectralBandReplication *sbr)
{
int i, k, sb = 0;
int msb = sbr->k[0];
int usb = sbr->kx[1];
int goal_sb = ((1000 << 11) + (sbr->sample_rate >> 1)) / sbr->sample_rate;
sbr->num_patches = 0;
if (goal_sb < sbr->kx[1] + sbr->m[1]) {
for (k = 0; sbr->f_master[k] < goal_sb; k++) ;
} else
k = sbr->n_master;
do {
int odd = 0;
for (i = k; i == k || sb > (sbr->k[0] - 1 + msb - odd); i--) {
sb = sbr->f_master[i];
odd = (sb + sbr->k[0]) & 1;
}
sbr->patch_num_subbands[sbr->num_patches] = FFMAX(sb - usb, 0);
sbr->patch_start_subband[sbr->num_patches] = sbr->k[0] - odd - sbr->patch_num_subbands[sbr->num_patches];
if (sbr->patch_num_subbands[sbr->num_patches] > 0) {
usb = sb;
msb = sb;
sbr->num_patches++;
} else
msb = sbr->kx[1];
if (sbr->f_master[k] - sb < 3)
k = sbr->n_master;
} while (sb != sbr->kx[1] + sbr->m[1]);
if (sbr->patch_num_subbands[sbr->num_patches-1] < 3 && sbr->num_patches > 1)
sbr->num_patches--;
if (sbr->num_patches > 6) {
av_log(ac->avccontext, AV_LOG_ERROR, "Too many patches: %d\n", sbr->num_patches);
return -1;
}
return 0;
} | ['static void sbr_reset(AACContext *ac, SpectralBandReplication *sbr)\n{\n int err;\n err = sbr_make_f_master(ac, sbr, &sbr->spectrum_params);\n if (err >= 0)\n err = sbr_make_f_derived(ac, sbr);\n if (err < 0) {\n av_log(ac->avccontext, AV_LOG_ERROR,\n "SBR reset failed. Switching SBR to pure upsampling mode.\\n");\n sbr->start = 0;\n }\n}', 'static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,\n SpectrumParameters *spectrum)\n{\n unsigned int temp, max_qmf_subbands;\n unsigned int start_min, stop_min;\n int k;\n const int8_t *sbr_offset_ptr;\n int16_t stop_dk[13];\n if (sbr->sample_rate < 32000) {\n temp = 3000;\n } else if (sbr->sample_rate < 64000) {\n temp = 4000;\n } else\n temp = 5000;\n start_min = ((temp << 7) + (sbr->sample_rate >> 1)) / sbr->sample_rate;\n stop_min = ((temp << 8) + (sbr->sample_rate >> 1)) / sbr->sample_rate;\n switch (sbr->sample_rate) {\n case 16000:\n sbr_offset_ptr = sbr_offset[0];\n break;\n case 22050:\n sbr_offset_ptr = sbr_offset[1];\n break;\n case 24000:\n sbr_offset_ptr = sbr_offset[2];\n break;\n case 32000:\n sbr_offset_ptr = sbr_offset[3];\n break;\n case 44100: case 48000: case 64000:\n sbr_offset_ptr = sbr_offset[4];\n break;\n case 88200: case 96000: case 128000: case 176400: case 192000:\n sbr_offset_ptr = sbr_offset[5];\n break;\n default:\n av_log(ac->avccontext, AV_LOG_ERROR,\n "Unsupported sample rate for SBR: %d\\n", sbr->sample_rate);\n return -1;\n }\n sbr->k[0] = start_min + sbr_offset_ptr[spectrum->bs_start_freq];\n if (spectrum->bs_stop_freq < 14) {\n sbr->k[2] = stop_min;\n make_bands(stop_dk, stop_min, 64, 13);\n qsort(stop_dk, 13, sizeof(stop_dk[0]), qsort_comparison_function_int16);\n for (k = 0; k < spectrum->bs_stop_freq; k++)\n sbr->k[2] += stop_dk[k];\n } else if (spectrum->bs_stop_freq == 14) {\n sbr->k[2] = 2*sbr->k[0];\n } else if (spectrum->bs_stop_freq == 15) {\n sbr->k[2] = 3*sbr->k[0];\n } else {\n av_log(ac->avccontext, AV_LOG_ERROR,\n "Invalid bs_stop_freq: %d\\n", spectrum->bs_stop_freq);\n return -1;\n }\n sbr->k[2] = FFMIN(64, sbr->k[2]);\n if (sbr->sample_rate <= 32000) {\n max_qmf_subbands = 48;\n } else if (sbr->sample_rate == 44100) {\n max_qmf_subbands = 35;\n } else if (sbr->sample_rate >= 48000)\n max_qmf_subbands = 32;\n if (sbr->k[2] - sbr->k[0] > max_qmf_subbands) {\n av_log(ac->avccontext, AV_LOG_ERROR,\n "Invalid bitstream, too many QMF subbands: %d\\n", sbr->k[2] - sbr->k[0]);\n return -1;\n }\n if (!spectrum->bs_freq_scale) {\n unsigned int dk;\n int k2diff;\n dk = spectrum->bs_alter_scale + 1;\n sbr->n_master = ((sbr->k[2] - sbr->k[0] + (dk&2)) >> dk) << 1;\n if (check_n_master(ac->avccontext, sbr->n_master, sbr->spectrum_params.bs_xover_band))\n return -1;\n for (k = 1; k <= sbr->n_master; k++)\n sbr->f_master[k] = dk;\n k2diff = sbr->k[2] - sbr->k[0] - sbr->n_master * dk;\n if (k2diff < 0) {\n sbr->f_master[1]--;\n sbr->f_master[2]-= (k2diff < 1);\n } else if (k2diff) {\n sbr->f_master[sbr->n_master]++;\n }\n sbr->f_master[0] = sbr->k[0];\n for (k = 1; k <= sbr->n_master; k++)\n sbr->f_master[k] += sbr->f_master[k - 1];\n } else {\n int half_bands = 7 - spectrum->bs_freq_scale;\n int two_regions, num_bands_0;\n int vdk0_max, vdk1_min;\n int16_t vk0[49];\n if (49 * sbr->k[2] > 110 * sbr->k[0]) {\n two_regions = 1;\n sbr->k[1] = 2 * sbr->k[0];\n } else {\n two_regions = 0;\n sbr->k[1] = sbr->k[2];\n }\n num_bands_0 = lrintf(half_bands * log2f(sbr->k[1] / (float)sbr->k[0])) * 2;\n if (num_bands_0 <= 0) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Invalid num_bands_0: %d\\n", num_bands_0);\n return -1;\n }\n vk0[0] = 0;\n make_bands(vk0+1, sbr->k[0], sbr->k[1], num_bands_0);\n qsort(vk0 + 1, num_bands_0, sizeof(vk0[1]), qsort_comparison_function_int16);\n vdk0_max = vk0[num_bands_0];\n vk0[0] = sbr->k[0];\n for (k = 1; k <= num_bands_0; k++) {\n if (vk0[k] <= 0) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Invalid vDk0[%d]: %d\\n", k, vk0[k]);\n return -1;\n }\n vk0[k] += vk0[k-1];\n }\n if (two_regions) {\n int16_t vk1[49];\n float invwarp = spectrum->bs_alter_scale ? 0.76923076923076923077f\n : 1.0f;\n int num_bands_1 = lrintf(half_bands * invwarp *\n log2f(sbr->k[2] / (float)sbr->k[1])) * 2;\n make_bands(vk1+1, sbr->k[1], sbr->k[2], num_bands_1);\n vdk1_min = array_min_int16(vk1 + 1, num_bands_1);\n if (vdk1_min < vdk0_max) {\n int change;\n qsort(vk1 + 1, num_bands_1, sizeof(vk1[1]), qsort_comparison_function_int16);\n change = FFMIN(vdk0_max - vk1[1], (vk1[num_bands_1] - vk1[1]) >> 1);\n vk1[1] += change;\n vk1[num_bands_1] -= change;\n }\n qsort(vk1 + 1, num_bands_1, sizeof(vk1[1]), qsort_comparison_function_int16);\n vk1[0] = sbr->k[1];\n for (k = 1; k <= num_bands_1; k++) {\n if (vk1[k] <= 0) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Invalid vDk1[%d]: %d\\n", k, vk1[k]);\n return -1;\n }\n vk1[k] += vk1[k-1];\n }\n sbr->n_master = num_bands_0 + num_bands_1;\n if (check_n_master(ac->avccontext, sbr->n_master, sbr->spectrum_params.bs_xover_band))\n return -1;\n memcpy(&sbr->f_master[0], vk0,\n (num_bands_0 + 1) * sizeof(sbr->f_master[0]));\n memcpy(&sbr->f_master[num_bands_0 + 1], vk1 + 1,\n num_bands_1 * sizeof(sbr->f_master[0]));\n } else {\n sbr->n_master = num_bands_0;\n if (check_n_master(ac->avccontext, sbr->n_master, sbr->spectrum_params.bs_xover_band))\n return -1;\n memcpy(sbr->f_master, vk0, (num_bands_0 + 1) * sizeof(sbr->f_master[0]));\n }\n }\n return 0;\n}', 'static int sbr_make_f_derived(AACContext *ac, SpectralBandReplication *sbr)\n{\n int k, temp;\n sbr->n[1] = sbr->n_master - sbr->spectrum_params.bs_xover_band;\n sbr->n[0] = (sbr->n[1] + 1) >> 1;\n memcpy(sbr->f_tablehigh, &sbr->f_master[sbr->spectrum_params.bs_xover_band],\n (sbr->n[1] + 1) * sizeof(sbr->f_master[0]));\n sbr->m[1] = sbr->f_tablehigh[sbr->n[1]] - sbr->f_tablehigh[0];\n sbr->kx[1] = sbr->f_tablehigh[0];\n if (sbr->kx[1] + sbr->m[1] > 64) {\n av_log(ac->avccontext, AV_LOG_ERROR,\n "Stop frequency border too high: %d\\n", sbr->kx[1] + sbr->m[1]);\n return -1;\n }\n if (sbr->kx[1] > 32) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Start frequency border too high: %d\\n", sbr->kx[1]);\n return -1;\n }\n sbr->f_tablelow[0] = sbr->f_tablehigh[0];\n temp = sbr->n[1] & 1;\n for (k = 1; k <= sbr->n[0]; k++)\n sbr->f_tablelow[k] = sbr->f_tablehigh[2 * k - temp];\n sbr->n_q = FFMAX(1, lrintf(sbr->spectrum_params.bs_noise_bands *\n log2f(sbr->k[2] / (float)sbr->kx[1])));\n if (sbr->n_q > 5) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Too many noise floor scale factors: %d\\n", sbr->n_q);\n return -1;\n }\n sbr->f_tablenoise[0] = sbr->f_tablelow[0];\n temp = 0;\n for (k = 1; k <= sbr->n_q; k++) {\n temp += (sbr->n[0] - temp) / (sbr->n_q + 1 - k);\n sbr->f_tablenoise[k] = sbr->f_tablelow[temp];\n }\n if (sbr_hf_calc_npatches(ac, sbr) < 0)\n return -1;\n sbr_make_f_tablelim(sbr);\n sbr->data[0].f_indexnoise = 0;\n sbr->data[1].f_indexnoise = 0;\n return 0;\n}', 'static int sbr_hf_calc_npatches(AACContext *ac, SpectralBandReplication *sbr)\n{\n int i, k, sb = 0;\n int msb = sbr->k[0];\n int usb = sbr->kx[1];\n int goal_sb = ((1000 << 11) + (sbr->sample_rate >> 1)) / sbr->sample_rate;\n sbr->num_patches = 0;\n if (goal_sb < sbr->kx[1] + sbr->m[1]) {\n for (k = 0; sbr->f_master[k] < goal_sb; k++) ;\n } else\n k = sbr->n_master;\n do {\n int odd = 0;\n for (i = k; i == k || sb > (sbr->k[0] - 1 + msb - odd); i--) {\n sb = sbr->f_master[i];\n odd = (sb + sbr->k[0]) & 1;\n }\n sbr->patch_num_subbands[sbr->num_patches] = FFMAX(sb - usb, 0);\n sbr->patch_start_subband[sbr->num_patches] = sbr->k[0] - odd - sbr->patch_num_subbands[sbr->num_patches];\n if (sbr->patch_num_subbands[sbr->num_patches] > 0) {\n usb = sb;\n msb = sb;\n sbr->num_patches++;\n } else\n msb = sbr->kx[1];\n if (sbr->f_master[k] - sb < 3)\n k = sbr->n_master;\n } while (sb != sbr->kx[1] + sbr->m[1]);\n if (sbr->patch_num_subbands[sbr->num_patches-1] < 3 && sbr->num_patches > 1)\n sbr->num_patches--;\n if (sbr->num_patches > 6) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Too many patches: %d\\n", sbr->num_patches);\n return -1;\n }\n return 0;\n}'] |
21,410 | 0 | https://github.com/openssl/openssl/blob/fda29b6db038716e4409068798646c6db042e552/crypto/buffer/buf_str.c/#L69 | size_t BUF_strnlen(const char *str, size_t maxlen)
{
const char *p;
for (p = str; maxlen-- != 0 && *p != '\0'; ++p)
;
return p - str;
} | ["size_t BUF_strnlen(const char *str, size_t maxlen)\n\t{\n\tconst char *p;\n\tfor (p = str; maxlen-- != 0 && *p != '\\0'; ++p)\n\t\t;\n\treturn p - str;\n\t}"] |
21,411 | 0 | https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/crypto/ui/ui_lib.c/#L275 | int UI_dup_verify_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize,
const char *test_buf)
{
char *prompt_copy = NULL;
if (prompt) {
prompt_copy = OPENSSL_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE);
return -1;
}
}
return general_allocate_string(ui, prompt_copy, 1,
UIT_VERIFY, flags, result_buf, minsize,
maxsize, test_buf);
} | ['int UI_dup_verify_string(UI *ui, const char *prompt, int flags,\n char *result_buf, int minsize, int maxsize,\n const char *test_buf)\n{\n char *prompt_copy = NULL;\n if (prompt) {\n prompt_copy = OPENSSL_strdup(prompt);\n if (prompt_copy == NULL) {\n UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE);\n return -1;\n }\n }\n return general_allocate_string(ui, prompt_copy, 1,\n UIT_VERIFY, flags, result_buf, minsize,\n maxsize, test_buf);\n}', 'char *CRYPTO_strdup(const char *str, const char* file, int line)\n{\n char *ret;\n size_t size;\n if (str == NULL)\n return NULL;\n size = strlen(str) + 1;\n ret = CRYPTO_malloc(size, file, line);\n if (ret != NULL)\n memcpy(ret, str, size);\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 (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}', 'static int general_allocate_string(UI *ui, const char *prompt,\n int prompt_freeable,\n enum UI_string_types type, int input_flags,\n char *result_buf, int minsize, int maxsize,\n const char *test_buf)\n{\n int ret = -1;\n UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,\n type, input_flags, result_buf);\n if (s) {\n if (allocate_string_stack(ui) >= 0) {\n s->_.string_data.result_minsize = minsize;\n s->_.string_data.result_maxsize = maxsize;\n s->_.string_data.test_buf = test_buf;\n ret = sk_UI_STRING_push(ui->strings, s);\n if (ret <= 0)\n ret--;\n } else\n free_string(s);\n }\n return ret;\n}'] |
21,412 | 0 | https://github.com/libav/libav/blob/3b2fbe67bd63b00331db2a9b213f6d420418a312/libavcodec/opus_celt.c/#L760 | static void celt_decode_allocation(CeltContext *s, OpusRangeCoder *rc)
{
int cap[CELT_MAX_BANDS];
int boost[CELT_MAX_BANDS];
int threshold[CELT_MAX_BANDS];
int bits1[CELT_MAX_BANDS];
int bits2[CELT_MAX_BANDS];
int trim_offset[CELT_MAX_BANDS];
int skip_startband = s->startband;
int dynalloc = 6;
int alloctrim = 5;
int extrabits = 0;
int skip_bit = 0;
int intensitystereo_bit = 0;
int dualstereo_bit = 0;
int remaining, bandbits;
int low, high, total, done;
int totalbits;
int consumed;
int i, j;
consumed = opus_rc_tell(rc);
s->spread = CELT_SPREAD_NORMAL;
if (consumed + 4 <= s->framebits)
s->spread = opus_rc_getsymbol(rc, celt_model_spread);
for (i = 0; i < CELT_MAX_BANDS; i++) {
cap[i] = (celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)
* celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;
}
totalbits = s->framebits << 3;
consumed = opus_rc_tell_frac(rc);
for (i = s->startband; i < s->endband; i++) {
int quanta, band_dynalloc;
boost[i] = 0;
quanta = celt_freq_range[i] << (s->coded_channels - 1) << s->duration;
quanta = FFMIN(quanta << 3, FFMAX(6 << 3, quanta));
band_dynalloc = dynalloc;
while (consumed + (band_dynalloc<<3) < totalbits && boost[i] < cap[i]) {
int add = opus_rc_p2model(rc, band_dynalloc);
consumed = opus_rc_tell_frac(rc);
if (!add)
break;
boost[i] += quanta;
totalbits -= quanta;
band_dynalloc = 1;
}
if (boost[i])
dynalloc = FFMAX(2, dynalloc - 1);
}
if (consumed + (6 << 3) <= totalbits)
alloctrim = opus_rc_getsymbol(rc, celt_model_alloc_trim);
totalbits = (s->framebits << 3) - opus_rc_tell_frac(rc) - 1;
s->anticollapse_bit = 0;
if (s->blocks > 1 && s->duration >= 2 &&
totalbits >= ((s->duration + 2) << 3))
s->anticollapse_bit = 1 << 3;
totalbits -= s->anticollapse_bit;
if (totalbits >= 1 << 3)
skip_bit = 1 << 3;
totalbits -= skip_bit;
if (s->coded_channels == 2) {
intensitystereo_bit = celt_log2_frac[s->endband - s->startband];
if (intensitystereo_bit <= totalbits) {
totalbits -= intensitystereo_bit;
if (totalbits >= 1 << 3) {
dualstereo_bit = 1 << 3;
totalbits -= 1 << 3;
}
} else
intensitystereo_bit = 0;
}
for (i = s->startband; i < s->endband; i++) {
int trim = alloctrim - 5 - s->duration;
int band = celt_freq_range[i] * (s->endband - i - 1);
int duration = s->duration + 3;
int scale = duration + s->coded_channels - 1;
threshold[i] = FFMAX(3 * celt_freq_range[i] << duration >> 4,
s->coded_channels << 3);
trim_offset[i] = trim * (band << scale) >> 6;
if (celt_freq_range[i] << s->duration == 1)
trim_offset[i] -= s->coded_channels << 3;
}
low = 1;
high = CELT_VECTORS - 1;
while (low <= high) {
int center = (low + high) >> 1;
done = total = 0;
for (i = s->endband - 1; i >= s->startband; i--) {
bandbits = celt_freq_range[i] * celt_static_alloc[center][i]
<< (s->coded_channels - 1) << s->duration >> 2;
if (bandbits)
bandbits = FFMAX(0, bandbits + trim_offset[i]);
bandbits += boost[i];
if (bandbits >= threshold[i] || done) {
done = 1;
total += FFMIN(bandbits, cap[i]);
} else if (bandbits >= s->coded_channels << 3)
total += s->coded_channels << 3;
}
if (total > totalbits)
high = center - 1;
else
low = center + 1;
}
high = low--;
for (i = s->startband; i < s->endband; i++) {
bits1[i] = celt_freq_range[i] * celt_static_alloc[low][i]
<< (s->coded_channels - 1) << s->duration >> 2;
bits2[i] = high >= CELT_VECTORS ? cap[i] :
celt_freq_range[i] * celt_static_alloc[high][i]
<< (s->coded_channels - 1) << s->duration >> 2;
if (bits1[i])
bits1[i] = FFMAX(0, bits1[i] + trim_offset[i]);
if (bits2[i])
bits2[i] = FFMAX(0, bits2[i] + trim_offset[i]);
if (low)
bits1[i] += boost[i];
bits2[i] += boost[i];
if (boost[i])
skip_startband = i;
bits2[i] = FFMAX(0, bits2[i] - bits1[i]);
}
low = 0;
high = 1 << CELT_ALLOC_STEPS;
for (i = 0; i < CELT_ALLOC_STEPS; i++) {
int center = (low + high) >> 1;
done = total = 0;
for (j = s->endband - 1; j >= s->startband; j--) {
bandbits = bits1[j] + (center * bits2[j] >> CELT_ALLOC_STEPS);
if (bandbits >= threshold[j] || done) {
done = 1;
total += FFMIN(bandbits, cap[j]);
} else if (bandbits >= s->coded_channels << 3)
total += s->coded_channels << 3;
}
if (total > totalbits)
high = center;
else
low = center;
}
done = total = 0;
for (i = s->endband - 1; i >= s->startband; i--) {
bandbits = bits1[i] + (low * bits2[i] >> CELT_ALLOC_STEPS);
if (bandbits >= threshold[i] || done)
done = 1;
else
bandbits = (bandbits >= s->coded_channels << 3) ?
s->coded_channels << 3 : 0;
bandbits = FFMIN(bandbits, cap[i]);
s->pulses[i] = bandbits;
total += bandbits;
}
for (s->codedbands = s->endband; ; s->codedbands--) {
int allocation;
j = s->codedbands - 1;
if (j == skip_startband) {
totalbits += skip_bit;
break;
}
remaining = totalbits - total;
bandbits = remaining / (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);
remaining -= bandbits * (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);
allocation = s->pulses[j] + bandbits * celt_freq_range[j]
+ FFMAX(0, remaining - (celt_freq_bands[j] - celt_freq_bands[s->startband]));
if (allocation >= FFMAX(threshold[j], (s->coded_channels + 1) <<3 )) {
if (opus_rc_p2model(rc, 1))
break;
total += 1 << 3;
allocation -= 1 << 3;
}
total -= s->pulses[j];
if (intensitystereo_bit) {
total -= intensitystereo_bit;
intensitystereo_bit = celt_log2_frac[j - s->startband];
total += intensitystereo_bit;
}
total += s->pulses[j] = (allocation >= s->coded_channels << 3) ?
s->coded_channels << 3 : 0;
}
s->intensitystereo = 0;
s->dualstereo = 0;
if (intensitystereo_bit)
s->intensitystereo = s->startband +
opus_rc_unimodel(rc, s->codedbands + 1 - s->startband);
if (s->intensitystereo <= s->startband)
totalbits += dualstereo_bit;
else if (dualstereo_bit)
s->dualstereo = opus_rc_p2model(rc, 1);
remaining = totalbits - total;
bandbits = remaining / (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);
remaining -= bandbits * (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);
for (i = s->startband; i < s->codedbands; i++) {
int bits = FFMIN(remaining, celt_freq_range[i]);
s->pulses[i] += bits + bandbits * celt_freq_range[i];
remaining -= bits;
}
for (i = s->startband; i < s->codedbands; i++) {
int N = celt_freq_range[i] << s->duration;
int prev_extra = extrabits;
s->pulses[i] += extrabits;
if (N > 1) {
int dof;
int temp;
int offset;
int fine_bits, max_bits;
extrabits = FFMAX(0, s->pulses[i] - cap[i]);
s->pulses[i] -= extrabits;
dof = N * s->coded_channels
+ (s->coded_channels == 2 && N > 2 && !s->dualstereo && i < s->intensitystereo);
temp = dof * (celt_log_freq_range[i] + (s->duration<<3));
offset = (temp >> 1) - dof * CELT_FINE_OFFSET;
if (N == 2)
offset += dof<<1;
if (s->pulses[i] + offset < 2 * (dof << 3))
offset += temp >> 2;
else if (s->pulses[i] + offset < 3 * (dof << 3))
offset += temp >> 3;
fine_bits = (s->pulses[i] + offset + (dof << 2)) / (dof << 3);
max_bits = FFMIN((s->pulses[i]>>3) >> (s->coded_channels - 1),
CELT_MAX_FINE_BITS);
max_bits = FFMAX(max_bits, 0);
s->fine_bits[i] = av_clip(fine_bits, 0, max_bits);
s->fine_priority[i] = (s->fine_bits[i] * (dof<<3) >= s->pulses[i] + offset);
s->pulses[i] -= s->fine_bits[i] << (s->coded_channels - 1) << 3;
} else {
extrabits = FFMAX(0, s->pulses[i] - (s->coded_channels << 3));
s->pulses[i] -= extrabits;
s->fine_bits[i] = 0;
s->fine_priority[i] = 1;
}
if (extrabits > 0) {
int fineextra = FFMIN(extrabits >> (s->coded_channels + 2),
CELT_MAX_FINE_BITS - s->fine_bits[i]);
s->fine_bits[i] += fineextra;
fineextra <<= s->coded_channels + 2;
s->fine_priority[i] = (fineextra >= extrabits - prev_extra);
extrabits -= fineextra;
}
}
s->remaining = extrabits;
for (; i < s->endband; i++) {
s->fine_bits[i] = s->pulses[i] >> (s->coded_channels - 1) >> 3;
s->pulses[i] = 0;
s->fine_priority[i] = s->fine_bits[i] < 1;
}
} | ['static void celt_decode_allocation(CeltContext *s, OpusRangeCoder *rc)\n{\n int cap[CELT_MAX_BANDS];\n int boost[CELT_MAX_BANDS];\n int threshold[CELT_MAX_BANDS];\n int bits1[CELT_MAX_BANDS];\n int bits2[CELT_MAX_BANDS];\n int trim_offset[CELT_MAX_BANDS];\n int skip_startband = s->startband;\n int dynalloc = 6;\n int alloctrim = 5;\n int extrabits = 0;\n int skip_bit = 0;\n int intensitystereo_bit = 0;\n int dualstereo_bit = 0;\n int remaining, bandbits;\n int low, high, total, done;\n int totalbits;\n int consumed;\n int i, j;\n consumed = opus_rc_tell(rc);\n s->spread = CELT_SPREAD_NORMAL;\n if (consumed + 4 <= s->framebits)\n s->spread = opus_rc_getsymbol(rc, celt_model_spread);\n for (i = 0; i < CELT_MAX_BANDS; i++) {\n cap[i] = (celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)\n * celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;\n }\n totalbits = s->framebits << 3;\n consumed = opus_rc_tell_frac(rc);\n for (i = s->startband; i < s->endband; i++) {\n int quanta, band_dynalloc;\n boost[i] = 0;\n quanta = celt_freq_range[i] << (s->coded_channels - 1) << s->duration;\n quanta = FFMIN(quanta << 3, FFMAX(6 << 3, quanta));\n band_dynalloc = dynalloc;\n while (consumed + (band_dynalloc<<3) < totalbits && boost[i] < cap[i]) {\n int add = opus_rc_p2model(rc, band_dynalloc);\n consumed = opus_rc_tell_frac(rc);\n if (!add)\n break;\n boost[i] += quanta;\n totalbits -= quanta;\n band_dynalloc = 1;\n }\n if (boost[i])\n dynalloc = FFMAX(2, dynalloc - 1);\n }\n if (consumed + (6 << 3) <= totalbits)\n alloctrim = opus_rc_getsymbol(rc, celt_model_alloc_trim);\n totalbits = (s->framebits << 3) - opus_rc_tell_frac(rc) - 1;\n s->anticollapse_bit = 0;\n if (s->blocks > 1 && s->duration >= 2 &&\n totalbits >= ((s->duration + 2) << 3))\n s->anticollapse_bit = 1 << 3;\n totalbits -= s->anticollapse_bit;\n if (totalbits >= 1 << 3)\n skip_bit = 1 << 3;\n totalbits -= skip_bit;\n if (s->coded_channels == 2) {\n intensitystereo_bit = celt_log2_frac[s->endband - s->startband];\n if (intensitystereo_bit <= totalbits) {\n totalbits -= intensitystereo_bit;\n if (totalbits >= 1 << 3) {\n dualstereo_bit = 1 << 3;\n totalbits -= 1 << 3;\n }\n } else\n intensitystereo_bit = 0;\n }\n for (i = s->startband; i < s->endband; i++) {\n int trim = alloctrim - 5 - s->duration;\n int band = celt_freq_range[i] * (s->endband - i - 1);\n int duration = s->duration + 3;\n int scale = duration + s->coded_channels - 1;\n threshold[i] = FFMAX(3 * celt_freq_range[i] << duration >> 4,\n s->coded_channels << 3);\n trim_offset[i] = trim * (band << scale) >> 6;\n if (celt_freq_range[i] << s->duration == 1)\n trim_offset[i] -= s->coded_channels << 3;\n }\n low = 1;\n high = CELT_VECTORS - 1;\n while (low <= high) {\n int center = (low + high) >> 1;\n done = total = 0;\n for (i = s->endband - 1; i >= s->startband; i--) {\n bandbits = celt_freq_range[i] * celt_static_alloc[center][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n if (bandbits)\n bandbits = FFMAX(0, bandbits + trim_offset[i]);\n bandbits += boost[i];\n if (bandbits >= threshold[i] || done) {\n done = 1;\n total += FFMIN(bandbits, cap[i]);\n } else if (bandbits >= s->coded_channels << 3)\n total += s->coded_channels << 3;\n }\n if (total > totalbits)\n high = center - 1;\n else\n low = center + 1;\n }\n high = low--;\n for (i = s->startband; i < s->endband; i++) {\n bits1[i] = celt_freq_range[i] * celt_static_alloc[low][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n bits2[i] = high >= CELT_VECTORS ? cap[i] :\n celt_freq_range[i] * celt_static_alloc[high][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n if (bits1[i])\n bits1[i] = FFMAX(0, bits1[i] + trim_offset[i]);\n if (bits2[i])\n bits2[i] = FFMAX(0, bits2[i] + trim_offset[i]);\n if (low)\n bits1[i] += boost[i];\n bits2[i] += boost[i];\n if (boost[i])\n skip_startband = i;\n bits2[i] = FFMAX(0, bits2[i] - bits1[i]);\n }\n low = 0;\n high = 1 << CELT_ALLOC_STEPS;\n for (i = 0; i < CELT_ALLOC_STEPS; i++) {\n int center = (low + high) >> 1;\n done = total = 0;\n for (j = s->endband - 1; j >= s->startband; j--) {\n bandbits = bits1[j] + (center * bits2[j] >> CELT_ALLOC_STEPS);\n if (bandbits >= threshold[j] || done) {\n done = 1;\n total += FFMIN(bandbits, cap[j]);\n } else if (bandbits >= s->coded_channels << 3)\n total += s->coded_channels << 3;\n }\n if (total > totalbits)\n high = center;\n else\n low = center;\n }\n done = total = 0;\n for (i = s->endband - 1; i >= s->startband; i--) {\n bandbits = bits1[i] + (low * bits2[i] >> CELT_ALLOC_STEPS);\n if (bandbits >= threshold[i] || done)\n done = 1;\n else\n bandbits = (bandbits >= s->coded_channels << 3) ?\n s->coded_channels << 3 : 0;\n bandbits = FFMIN(bandbits, cap[i]);\n s->pulses[i] = bandbits;\n total += bandbits;\n }\n for (s->codedbands = s->endband; ; s->codedbands--) {\n int allocation;\n j = s->codedbands - 1;\n if (j == skip_startband) {\n totalbits += skip_bit;\n break;\n }\n remaining = totalbits - total;\n bandbits = remaining / (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);\n remaining -= bandbits * (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);\n allocation = s->pulses[j] + bandbits * celt_freq_range[j]\n + FFMAX(0, remaining - (celt_freq_bands[j] - celt_freq_bands[s->startband]));\n if (allocation >= FFMAX(threshold[j], (s->coded_channels + 1) <<3 )) {\n if (opus_rc_p2model(rc, 1))\n break;\n total += 1 << 3;\n allocation -= 1 << 3;\n }\n total -= s->pulses[j];\n if (intensitystereo_bit) {\n total -= intensitystereo_bit;\n intensitystereo_bit = celt_log2_frac[j - s->startband];\n total += intensitystereo_bit;\n }\n total += s->pulses[j] = (allocation >= s->coded_channels << 3) ?\n s->coded_channels << 3 : 0;\n }\n s->intensitystereo = 0;\n s->dualstereo = 0;\n if (intensitystereo_bit)\n s->intensitystereo = s->startband +\n opus_rc_unimodel(rc, s->codedbands + 1 - s->startband);\n if (s->intensitystereo <= s->startband)\n totalbits += dualstereo_bit;\n else if (dualstereo_bit)\n s->dualstereo = opus_rc_p2model(rc, 1);\n remaining = totalbits - total;\n bandbits = remaining / (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);\n remaining -= bandbits * (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);\n for (i = s->startband; i < s->codedbands; i++) {\n int bits = FFMIN(remaining, celt_freq_range[i]);\n s->pulses[i] += bits + bandbits * celt_freq_range[i];\n remaining -= bits;\n }\n for (i = s->startband; i < s->codedbands; i++) {\n int N = celt_freq_range[i] << s->duration;\n int prev_extra = extrabits;\n s->pulses[i] += extrabits;\n if (N > 1) {\n int dof;\n int temp;\n int offset;\n int fine_bits, max_bits;\n extrabits = FFMAX(0, s->pulses[i] - cap[i]);\n s->pulses[i] -= extrabits;\n dof = N * s->coded_channels\n + (s->coded_channels == 2 && N > 2 && !s->dualstereo && i < s->intensitystereo);\n temp = dof * (celt_log_freq_range[i] + (s->duration<<3));\n offset = (temp >> 1) - dof * CELT_FINE_OFFSET;\n if (N == 2)\n offset += dof<<1;\n if (s->pulses[i] + offset < 2 * (dof << 3))\n offset += temp >> 2;\n else if (s->pulses[i] + offset < 3 * (dof << 3))\n offset += temp >> 3;\n fine_bits = (s->pulses[i] + offset + (dof << 2)) / (dof << 3);\n max_bits = FFMIN((s->pulses[i]>>3) >> (s->coded_channels - 1),\n CELT_MAX_FINE_BITS);\n max_bits = FFMAX(max_bits, 0);\n s->fine_bits[i] = av_clip(fine_bits, 0, max_bits);\n s->fine_priority[i] = (s->fine_bits[i] * (dof<<3) >= s->pulses[i] + offset);\n s->pulses[i] -= s->fine_bits[i] << (s->coded_channels - 1) << 3;\n } else {\n extrabits = FFMAX(0, s->pulses[i] - (s->coded_channels << 3));\n s->pulses[i] -= extrabits;\n s->fine_bits[i] = 0;\n s->fine_priority[i] = 1;\n }\n if (extrabits > 0) {\n int fineextra = FFMIN(extrabits >> (s->coded_channels + 2),\n CELT_MAX_FINE_BITS - s->fine_bits[i]);\n s->fine_bits[i] += fineextra;\n fineextra <<= s->coded_channels + 2;\n s->fine_priority[i] = (fineextra >= extrabits - prev_extra);\n extrabits -= fineextra;\n }\n }\n s->remaining = extrabits;\n for (; i < s->endband; i++) {\n s->fine_bits[i] = s->pulses[i] >> (s->coded_channels - 1) >> 3;\n s->pulses[i] = 0;\n s->fine_priority[i] = s->fine_bits[i] < 1;\n }\n}'] |
21,413 | 0 | https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/asn1/asn1_lib.c/#L218 | static void asn1_put_length(unsigned char **pp, int length)
{
unsigned char *p= *pp;
int i,l;
if (length <= 127)
*(p++)=(unsigned char)length;
else
{
l=length;
for (i=0; l > 0; i++)
l>>=8;
*(p++)=i|0x80;
l=i;
while (i-- > 0)
{
p[i]=length&0xff;
length>>=8;
}
p+=l;
}
*pp=p;
} | ['static int request_certificate(SSL *s)\n\t{\n\tunsigned char *p,*p2,*buf2;\n\tunsigned char *ccd;\n\tint i,j,ctype,ret= -1;\n\tX509 *x509=NULL;\n\tSTACK_OF(X509) *sk=NULL;\n\tccd=s->s2->tmp.ccl;\n\tif (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_A)\n\t\t{\n\t\tp=(unsigned char *)s->init_buf->data;\n\t\t*(p++)=SSL2_MT_REQUEST_CERTIFICATE;\n\t\t*(p++)=SSL2_AT_MD5_WITH_RSA_ENCRYPTION;\n\t\tRAND_bytes(ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);\n\t\tmemcpy(p,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);\n\t\ts->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_B;\n\t\ts->init_num=SSL2_MIN_CERT_CHALLENGE_LENGTH+2;\n\t\ts->init_off=0;\n\t\t}\n\tif (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_B)\n\t\t{\n\t\ti=ssl2_do_write(s);\n\t\tif (i <= 0)\n\t\t\t{\n\t\t\tret=i;\n\t\t\tgoto end;\n\t\t\t}\n\t\ts->init_num=0;\n\t\ts->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_C;\n\t\t}\n\tif (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_C)\n\t\t{\n\t\tp=(unsigned char *)s->init_buf->data;\n\t\ti=ssl2_read(s,(char *)&(p[s->init_num]),6-s->init_num);\n\t\tif (i < 3)\n\t\t\t{\n\t\t\tret=ssl2_part_read(s,SSL_F_REQUEST_CERTIFICATE,i);\n\t\t\tgoto end;\n\t\t\t}\n\t\tif ((*p == SSL2_MT_ERROR) && (i >= 3))\n\t\t\t{\n\t\t\tn2s(p,i);\n\t\t\tif (s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)\n\t\t\t\t{\n\t\t\t\tssl2_return_error(s,SSL2_PE_BAD_CERTIFICATE);\n\t\t\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tret=1;\n\t\t\tgoto end;\n\t\t\t}\n\t\tif ((*(p++) != SSL2_MT_CLIENT_CERTIFICATE) || (i < 6))\n\t\t\t{\n\t\t\tssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);\n\t\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_SHORT_READ);\n\t\t\tgoto end;\n\t\t\t}\n\t\tctype= *(p++);\n\t\tif (ctype != SSL2_AT_MD5_WITH_RSA_ENCRYPTION)\n\t\t\t{\n\t\t\tssl2_return_error(s,SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE);\n\t\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_BAD_RESPONSE_ARGUMENT);\n\t\t\tgoto end;\n\t\t\t}\n\t\tn2s(p,i); s->s2->tmp.clen=i;\n\t\tn2s(p,i); s->s2->tmp.rlen=i;\n\t\ts->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_D;\n\t\ts->init_num=0;\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tj=s->s2->tmp.clen+s->s2->tmp.rlen-s->init_num;\n\ti=ssl2_read(s,(char *)&(p[s->init_num]),j);\n\tif (i < j)\n\t\t{\n\t\tret=ssl2_part_read(s,SSL_F_REQUEST_CERTIFICATE,i);\n\t\tgoto end;\n\t\t}\n\tx509=(X509 *)d2i_X509(NULL,&p,(long)s->s2->tmp.clen);\n\tif (x509 == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_X509_LIB);\n\t\tgoto msg_end;\n\t\t}\n\tif (((sk=sk_X509_new_null()) == NULL) || (!sk_X509_push(sk,x509)))\n\t\t{\n\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_MALLOC_FAILURE);\n\t\tgoto msg_end;\n\t\t}\n\ti=ssl_verify_cert_chain(s,sk);\n\tif (i)\n\t\t{\n\t\tEVP_MD_CTX ctx;\n\t\tEVP_PKEY *pkey=NULL;\n\t\tEVP_VerifyInit(&ctx,s->ctx->rsa_md5);\n\t\tEVP_VerifyUpdate(&ctx,s->s2->key_material,\n\t\t\t(unsigned int)s->s2->key_material_length);\n\t\tEVP_VerifyUpdate(&ctx,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);\n\t\ti=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,NULL);\n\t\tbuf2=(unsigned char *)Malloc((unsigned int)i);\n\t\tif (buf2 == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto msg_end;\n\t\t\t}\n\t\tp2=buf2;\n\t\ti=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,&p2);\n\t\tEVP_VerifyUpdate(&ctx,buf2,(unsigned int)i);\n\t\tFree(buf2);\n\t\tpkey=X509_get_pubkey(x509);\n\t\tif (pkey == NULL) goto end;\n\t\ti=EVP_VerifyFinal(&ctx,p,s->s2->tmp.rlen,pkey);\n\t\tEVP_PKEY_free(pkey);\n\t\tmemset(&ctx,0,sizeof(ctx));\n\t\tif (i)\n\t\t\t{\n\t\t\tif (s->session->peer != NULL)\n\t\t\t\tX509_free(s->session->peer);\n\t\t\ts->session->peer=x509;\n\t\t\tCRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);\n\t\t\tret=1;\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tSSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_BAD_CHECKSUM);\n\t\t\tgoto msg_end;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\nmsg_end:\n\t\tssl2_return_error(s,SSL2_PE_BAD_CERTIFICATE);\n\t\t}\nend:\n\tsk_X509_free(sk);\n\tX509_free(x509);\n\treturn(ret);\n\t}', 'int i2d_X509(X509 *a, unsigned char **pp)\n\t{\n\tM_ASN1_I2D_vars(a);\n\tM_ASN1_I2D_len(a->cert_info,\ti2d_X509_CINF);\n\tM_ASN1_I2D_len(a->sig_alg,\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_len(a->signature,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_seq_total();\n\tM_ASN1_I2D_put(a->cert_info,\ti2d_X509_CINF);\n\tM_ASN1_I2D_put(a->sig_alg,\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_put(a->signature,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_finish();\n\t}', 'void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag,\n\t int xclass)\n\t{\n\tunsigned char *p= *pp;\n\tint i;\n\ti=(constructed)?V_ASN1_CONSTRUCTED:0;\n\ti|=(xclass&V_ASN1_PRIVATE);\n\tif (tag < 31)\n\t\t*(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG);\n\telse\n\t\t{\n\t\t*(p++)=i|V_ASN1_PRIMITIVE_TAG;\n\t\twhile (tag > 0x7f)\n\t\t\t{\n\t\t\t*(p++)=(tag&0x7f)|0x80;\n\t\t\ttag>>=7;\n\t\t\t}\n\t\t*(p++)=(tag&0x7f);\n\t\t}\n\tif ((constructed == 2) && (length == 0))\n\t\t*(p++)=0x80;\n\telse\n\t\tasn1_put_length(&p,length);\n\t*pp=p;\n\t}', 'int i2d_X509_CINF(X509_CINF *a, unsigned char **pp)\n\t{\n\tint v1=0,v2=0;\n\tM_ASN1_I2D_vars(a);\n\tM_ASN1_I2D_len_EXP_opt(a->version,i2d_ASN1_INTEGER,0,v1);\n\tM_ASN1_I2D_len(a->serialNumber,\t\ti2d_ASN1_INTEGER);\n\tM_ASN1_I2D_len(a->signature,\t\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_len(a->issuer,\t\ti2d_X509_NAME);\n\tM_ASN1_I2D_len(a->validity,\t\ti2d_X509_VAL);\n\tM_ASN1_I2D_len(a->subject,\t\ti2d_X509_NAME);\n\tM_ASN1_I2D_len(a->key,\t\t\ti2d_X509_PUBKEY);\n\tM_ASN1_I2D_len_IMP_opt(a->issuerUID,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_len_IMP_opt(a->subjectUID,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,\n\t\t\t\t\t i2d_X509_EXTENSION,3,\n\t\t\t\t\t V_ASN1_SEQUENCE,v2);\n\tM_ASN1_I2D_seq_total();\n\tM_ASN1_I2D_put_EXP_opt(a->version,i2d_ASN1_INTEGER,0,v1);\n\tM_ASN1_I2D_put(a->serialNumber,\t\ti2d_ASN1_INTEGER);\n\tM_ASN1_I2D_put(a->signature,\t\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_put(a->issuer,\t\ti2d_X509_NAME);\n\tM_ASN1_I2D_put(a->validity,\t\ti2d_X509_VAL);\n\tM_ASN1_I2D_put(a->subject,\t\ti2d_X509_NAME);\n\tM_ASN1_I2D_put(a->key,\t\t\ti2d_X509_PUBKEY);\n\tM_ASN1_I2D_put_IMP_opt(a->issuerUID,\ti2d_ASN1_BIT_STRING,1);\n\tM_ASN1_I2D_put_IMP_opt(a->subjectUID,\ti2d_ASN1_BIT_STRING,2);\n\tM_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,\n\t\t\t\t\t i2d_X509_EXTENSION,3,\n\t\t\t\t\t V_ASN1_SEQUENCE,v2);\n\tM_ASN1_I2D_finish();\n\t}', 'int i2d_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp)\n\t{\n\tint pad=0,ret,r,i,t;\n\tunsigned char *p,*n,pb=0;\n\tif ((a == NULL) || (a->data == NULL)) return(0);\n\tt=a->type;\n\tif (a->length == 0)\n\t\tret=1;\n\telse\n\t\t{\n\t\tret=a->length;\n\t\ti=a->data[0];\n\t\tif ((t == V_ASN1_INTEGER) && (i > 127)) {\n\t\t\tpad=1;\n\t\t\tpb=0;\n\t\t} else if(t == V_ASN1_NEG_INTEGER) {\n\t\t\tif(i>128) {\n\t\t\t\tpad=1;\n\t\t\t\tpb=0xFF;\n\t\t\t} else if(i == 128) {\n\t\t\t\tfor(i = 1; i < a->length; i++) if(a->data[i]) {\n\t\t\t\t\t\tpad=1;\n\t\t\t\t\t\tpb=0xFF;\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tret+=pad;\n\t\t}\n\tr=ASN1_object_size(0,ret,V_ASN1_INTEGER);\n\tif (pp == NULL) return(r);\n\tp= *pp;\n\tASN1_put_object(&p,0,ret,V_ASN1_INTEGER,V_ASN1_UNIVERSAL);\n\tif (pad) *(p++)=pb;\n\tif (a->length == 0)\n\t\t*(p++)=0;\n\telse if (t == V_ASN1_INTEGER)\n\t\t{\n\t\tmemcpy(p,a->data,(unsigned int)a->length);\n\t\tp+=a->length;\n\t\t}\n\telse {\n\t\tn=a->data + a->length - 1;\n\t\tp += a->length - 1;\n\t\ti = a->length;\n\t\twhile(!*n) {\n\t\t\t*(p--) = 0;\n\t\t\tn--;\n\t\t\ti--;\n\t\t}\n\t\t*(p--) = ((*(n--)) ^ 0xff) + 1;\n\t\ti--;\n\t\tfor(;i > 0; i--) *(p--) = *(n--) ^ 0xff;\n\t\tp += a->length;\n\t}\n\t*pp=p;\n\treturn(r);\n\t}', 'static void asn1_put_length(unsigned char **pp, int length)\n\t{\n\tunsigned char *p= *pp;\n\tint i,l;\n\tif (length <= 127)\n\t\t*(p++)=(unsigned char)length;\n\telse\n\t\t{\n\t\tl=length;\n\t\tfor (i=0; l > 0; i++)\n\t\t\tl>>=8;\n\t\t*(p++)=i|0x80;\n\t\tl=i;\n\t\twhile (i-- > 0)\n\t\t\t{\n\t\t\tp[i]=length&0xff;\n\t\t\tlength>>=8;\n\t\t\t}\n\t\tp+=l;\n\t\t}\n\t*pp=p;\n\t}'] |
21,414 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_shift.c/#L150 | 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);
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,nw*sizeof(t[0]));
r->top=a->top+nw+1;
bn_correct_top(r);
bn_check_top(r);
return(1);
} | ['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;\n\tsize_t loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tsize_t 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}', '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}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n\t{\n\tint i,nw,lb,rb;\n\tBN_ULONG *t,*f;\n\tBN_ULONG l;\n\tbn_check_top(r);\n\tbn_check_top(a);\n\tr->neg=a->neg;\n\tnw=n/BN_BITS2;\n\tif (bn_wexpand(r,a->top+nw+1) == NULL) return(0);\n\tlb=n%BN_BITS2;\n\trb=BN_BITS2-lb;\n\tf=a->d;\n\tt=r->d;\n\tt[a->top+nw]=0;\n\tif (lb == 0)\n\t\tfor (i=a->top-1; i>=0; i--)\n\t\t\tt[nw+i]=f[i];\n\telse\n\t\tfor (i=a->top-1; i>=0; i--)\n\t\t\t{\n\t\t\tl=f[i];\n\t\t\tt[nw+i+1]|=(l>>rb)&BN_MASK2;\n\t\t\tt[nw+i]=(l<<lb)&BN_MASK2;\n\t\t\t}\n\tmemset(t,0,nw*sizeof(t[0]));\n\tr->top=a->top+nw+1;\n\tbn_correct_top(r);\n\tbn_check_top(r);\n\treturn(1);\n\t}'] |
21,415 | 0 | https://github.com/libav/libav/blob/375bff7084fd836a6c60b1f5d28a427ab55b66bc/libavformat/oggdec.c/#L192 | static int ogg_new_buf(struct ogg *ogg, int idx)
{
struct ogg_stream *os = ogg->streams + idx;
uint8_t *nb = av_malloc(os->bufsize + FF_INPUT_BUFFER_PADDING_SIZE);
int size = os->bufpos - os->pstart;
if(os->buf){
memcpy(nb, os->buf + os->pstart, size);
av_free(os->buf);
}
os->buf = nb;
os->bufpos = size;
os->pstart = 0;
return 0;
} | ['static int ogg_new_buf(struct ogg *ogg, int idx)\n{\n struct ogg_stream *os = ogg->streams + idx;\n uint8_t *nb = av_malloc(os->bufsize + FF_INPUT_BUFFER_PADDING_SIZE);\n int size = os->bufpos - os->pstart;\n if(os->buf){\n memcpy(nb, os->buf + os->pstart, size);\n av_free(os->buf);\n }\n os->buf = nb;\n os->bufpos = size;\n os->pstart = 0;\n return 0;\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}'] |
21,416 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/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;
} | ['BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,\n const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,\n int (*bn_mod_exp) (BIGNUM *r,\n const BIGNUM *a,\n const BIGNUM *p,\n const BIGNUM *m,\n BN_CTX *ctx,\n BN_MONT_CTX *m_ctx),\n BN_MONT_CTX *m_ctx)\n{\n int retry_counter = 32;\n BN_BLINDING *ret = NULL;\n if (b == NULL)\n ret = BN_BLINDING_new(NULL, NULL, m);\n else\n ret = b;\n if (ret == NULL)\n goto err;\n if (ret->A == NULL && (ret->A = BN_new()) == NULL)\n goto err;\n if (ret->Ai == NULL && (ret->Ai = BN_new()) == NULL)\n goto err;\n if (e != NULL) {\n BN_free(ret->e);\n ret->e = BN_dup(e);\n }\n if (ret->e == NULL)\n goto err;\n if (bn_mod_exp != NULL)\n ret->bn_mod_exp = bn_mod_exp;\n if (m_ctx != NULL)\n ret->m_ctx = m_ctx;\n do {\n int rv;\n if (!BN_priv_rand_range(ret->A, ret->mod))\n goto err;\n if (int_bn_mod_inverse(ret->Ai, ret->A, ret->mod, ctx, &rv))\n break;\n if (!rv)\n goto err;\n if (retry_counter-- == 0) {\n BNerr(BN_F_BN_BLINDING_CREATE_PARAM, BN_R_TOO_MANY_ITERATIONS);\n goto err;\n }\n } while (1);\n if (ret->bn_mod_exp != NULL && ret->m_ctx != NULL) {\n if (!ret->bn_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx, ret->m_ctx))\n goto err;\n } else {\n if (!BN_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx))\n goto err;\n }\n if (ret->m_ctx != NULL) {\n if (!bn_to_mont_fixed_top(ret->Ai, ret->Ai, ret->m_ctx, ctx)\n || !bn_to_mont_fixed_top(ret->A, ret->A, ret->m_ctx, ctx))\n goto err;\n }\n return ret;\n err:\n if (b == NULL) {\n BN_BLINDING_free(ret);\n ret = NULL;\n }\n return ret;\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}'] |
21,417 | 0 | https://github.com/libav/libav/blob/4d4d7cf9d539a053f531f662a972b23d335738eb/libavcodec/eac3dec.c/#L507 | int ff_eac3_parse_header(AC3DecodeContext *s)
{
int i, blk, ch;
int ac3_exponent_strategy, parse_aht_info, parse_spx_atten_data;
int parse_transient_proc_info;
int num_cpl_blocks;
GetBitContext *gbc = &s->gbc;
if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {
if (!s->eac3_frame_dependent_found) {
s->eac3_frame_dependent_found = 1;
avpriv_request_sample(s->avctx, "Dependent substream decoding");
}
return AAC_AC3_PARSE_ERROR_FRAME_TYPE;
} else if (s->frame_type == EAC3_FRAME_TYPE_RESERVED) {
av_log(s->avctx, AV_LOG_ERROR, "Reserved frame type\n");
return AAC_AC3_PARSE_ERROR_FRAME_TYPE;
}
if (s->substreamid) {
if (!s->eac3_subsbtreamid_found) {
s->eac3_subsbtreamid_found = 1;
avpriv_request_sample(s->avctx, "Additional substreams");
}
return AAC_AC3_PARSE_ERROR_FRAME_TYPE;
}
if (s->bit_alloc_params.sr_code == EAC3_SR_CODE_REDUCED) {
avpriv_request_sample(s->avctx, "Reduced sampling rate");
return AVERROR_PATCHWELCOME;
}
skip_bits(gbc, 5);
for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {
skip_bits(gbc, 5);
if (get_bits1(gbc)) {
skip_bits(gbc, 8);
}
}
if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {
if (get_bits1(gbc)) {
skip_bits(gbc, 16);
}
}
if (get_bits1(gbc)) {
if (s->channel_mode > AC3_CHMODE_STEREO) {
s->preferred_downmix = get_bits(gbc, 2);
if (s->channel_mode & 1) {
s->center_mix_level_ltrt = get_bits(gbc, 3);
s->center_mix_level = get_bits(gbc, 3);
}
if (s->channel_mode & 4) {
s->surround_mix_level_ltrt = av_clip(get_bits(gbc, 3), 3, 7);
s->surround_mix_level = av_clip(get_bits(gbc, 3), 3, 7);
}
}
if (s->lfe_on && (s->lfe_mix_level_exists = get_bits1(gbc))) {
s->lfe_mix_level = get_bits(gbc, 5);
}
if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {
if (get_bits1(gbc)) {
skip_bits(gbc, 6);
}
}
if (get_bits1(gbc)) {
skip_bits(gbc, 6);
}
switch(get_bits(gbc, 2)) {
case 1: skip_bits(gbc, 5); break;
case 2: skip_bits(gbc, 12); break;
case 3: {
int mix_data_size = (get_bits(gbc, 5) + 2) << 3;
skip_bits_long(gbc, mix_data_size);
break;
}
}
if (s->channel_mode < AC3_CHMODE_STEREO) {
for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {
if (get_bits1(gbc)) {
skip_bits(gbc, 8);
skip_bits(gbc, 6);
}
}
}
if (get_bits1(gbc)) {
for (blk = 0; blk < s->num_blocks; blk++) {
if (s->num_blocks == 1 || get_bits1(gbc)) {
skip_bits(gbc, 5);
}
}
}
}
}
if (get_bits1(gbc)) {
s->bitstream_mode = get_bits(gbc, 3);
skip_bits(gbc, 2);
if (s->channel_mode == AC3_CHMODE_STEREO) {
s->dolby_surround_mode = get_bits(gbc, 2);
s->dolby_headphone_mode = get_bits(gbc, 2);
}
if (s->channel_mode >= AC3_CHMODE_2F2R) {
s->dolby_surround_ex_mode = get_bits(gbc, 2);
}
for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {
if (get_bits1(gbc)) {
skip_bits(gbc, 8);
}
}
if (s->bit_alloc_params.sr_code != EAC3_SR_CODE_REDUCED) {
skip_bits1(gbc);
}
}
if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT && s->num_blocks != 6) {
skip_bits1(gbc);
}
if (s->frame_type == EAC3_FRAME_TYPE_AC3_CONVERT &&
(s->num_blocks == 6 || get_bits1(gbc))) {
skip_bits(gbc, 6);
}
if (get_bits1(gbc)) {
int addbsil = get_bits(gbc, 6);
for (i = 0; i < addbsil + 1; i++) {
skip_bits(gbc, 8);
}
}
if (s->num_blocks == 6) {
ac3_exponent_strategy = get_bits1(gbc);
parse_aht_info = get_bits1(gbc);
} else {
ac3_exponent_strategy = 1;
parse_aht_info = 0;
}
s->snr_offset_strategy = get_bits(gbc, 2);
parse_transient_proc_info = get_bits1(gbc);
s->block_switch_syntax = get_bits1(gbc);
if (!s->block_switch_syntax)
memset(s->block_switch, 0, sizeof(s->block_switch));
s->dither_flag_syntax = get_bits1(gbc);
if (!s->dither_flag_syntax) {
for (ch = 1; ch <= s->fbw_channels; ch++)
s->dither_flag[ch] = 1;
}
s->dither_flag[CPL_CH] = s->dither_flag[s->lfe_ch] = 0;
s->bit_allocation_syntax = get_bits1(gbc);
if (!s->bit_allocation_syntax) {
s->bit_alloc_params.slow_decay = ff_ac3_slow_decay_tab[2];
s->bit_alloc_params.fast_decay = ff_ac3_fast_decay_tab[1];
s->bit_alloc_params.slow_gain = ff_ac3_slow_gain_tab [1];
s->bit_alloc_params.db_per_bit = ff_ac3_db_per_bit_tab[2];
s->bit_alloc_params.floor = ff_ac3_floor_tab [7];
}
s->fast_gain_syntax = get_bits1(gbc);
s->dba_syntax = get_bits1(gbc);
s->skip_syntax = get_bits1(gbc);
parse_spx_atten_data = get_bits1(gbc);
num_cpl_blocks = 0;
if (s->channel_mode > 1) {
for (blk = 0; blk < s->num_blocks; blk++) {
s->cpl_strategy_exists[blk] = (!blk || get_bits1(gbc));
if (s->cpl_strategy_exists[blk]) {
s->cpl_in_use[blk] = get_bits1(gbc);
} else {
s->cpl_in_use[blk] = s->cpl_in_use[blk-1];
}
num_cpl_blocks += s->cpl_in_use[blk];
}
} else {
memset(s->cpl_in_use, 0, sizeof(s->cpl_in_use));
}
if (ac3_exponent_strategy) {
for (blk = 0; blk < s->num_blocks; blk++) {
for (ch = !s->cpl_in_use[blk]; ch <= s->fbw_channels; ch++) {
s->exp_strategy[blk][ch] = get_bits(gbc, 2);
}
}
} else {
for (ch = !((s->channel_mode > 1) && num_cpl_blocks); ch <= s->fbw_channels; ch++) {
int frmchexpstr = get_bits(gbc, 5);
for (blk = 0; blk < 6; blk++) {
s->exp_strategy[blk][ch] = ff_eac3_frm_expstr[frmchexpstr][blk];
}
}
}
if (s->lfe_on) {
for (blk = 0; blk < s->num_blocks; blk++) {
s->exp_strategy[blk][s->lfe_ch] = get_bits1(gbc);
}
}
if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT &&
(s->num_blocks == 6 || get_bits1(gbc))) {
skip_bits(gbc, 5 * s->fbw_channels);
}
if (parse_aht_info) {
s->channel_uses_aht[CPL_CH]=0;
for (ch = (num_cpl_blocks != 6); ch <= s->channels; ch++) {
int use_aht = 1;
for (blk = 1; blk < 6; blk++) {
if ((s->exp_strategy[blk][ch] != EXP_REUSE) ||
(!ch && s->cpl_strategy_exists[blk])) {
use_aht = 0;
break;
}
}
s->channel_uses_aht[ch] = use_aht && get_bits1(gbc);
}
} else {
memset(s->channel_uses_aht, 0, sizeof(s->channel_uses_aht));
}
if (!s->snr_offset_strategy) {
int csnroffst = (get_bits(gbc, 6) - 15) << 4;
int snroffst = (csnroffst + get_bits(gbc, 4)) << 2;
for (ch = 0; ch <= s->channels; ch++)
s->snr_offset[ch] = snroffst;
}
if (parse_transient_proc_info) {
for (ch = 1; ch <= s->fbw_channels; ch++) {
if (get_bits1(gbc)) {
skip_bits(gbc, 10);
skip_bits(gbc, 8);
}
}
}
for (ch = 1; ch <= s->fbw_channels; ch++) {
if (parse_spx_atten_data && get_bits1(gbc)) {
s->spx_atten_code[ch] = get_bits(gbc, 5);
} else {
s->spx_atten_code[ch] = -1;
}
}
if (s->num_blocks > 1 && get_bits1(gbc)) {
int block_start_bits = (s->num_blocks-1) * (4 + av_log2(s->frame_size-2));
skip_bits_long(gbc, block_start_bits);
avpriv_request_sample(s->avctx, "Block start info");
}
for (ch = 1; ch <= s->fbw_channels; ch++) {
s->first_spx_coords[ch] = 1;
s->first_cpl_coords[ch] = 1;
}
s->first_cpl_leak = 1;
return 0;
} | ['static int parse_frame_header(AC3DecodeContext *s)\n{\n AC3HeaderInfo hdr;\n int err;\n err = ff_ac3_parse_header(&s->gbc, &hdr);\n if (err)\n return err;\n s->bit_alloc_params.sr_code = hdr.sr_code;\n s->bitstream_id = hdr.bitstream_id;\n s->bitstream_mode = hdr.bitstream_mode;\n s->channel_mode = hdr.channel_mode;\n s->lfe_on = hdr.lfe_on;\n s->bit_alloc_params.sr_shift = hdr.sr_shift;\n s->sample_rate = hdr.sample_rate;\n s->bit_rate = hdr.bit_rate;\n s->channels = hdr.channels;\n s->fbw_channels = s->channels - s->lfe_on;\n s->lfe_ch = s->fbw_channels + 1;\n s->frame_size = hdr.frame_size;\n s->preferred_downmix = AC3_DMIXMOD_NOTINDICATED;\n s->center_mix_level = hdr.center_mix_level;\n s->center_mix_level_ltrt = 4;\n s->surround_mix_level = hdr.surround_mix_level;\n s->surround_mix_level_ltrt = 4;\n s->lfe_mix_level_exists = 0;\n s->num_blocks = hdr.num_blocks;\n s->frame_type = hdr.frame_type;\n s->substreamid = hdr.substreamid;\n s->dolby_surround_mode = hdr.dolby_surround_mode;\n s->dolby_surround_ex_mode = AC3_DSUREXMOD_NOTINDICATED;\n s->dolby_headphone_mode = AC3_DHEADPHONMOD_NOTINDICATED;\n if (s->lfe_on) {\n s->start_freq[s->lfe_ch] = 0;\n s->end_freq[s->lfe_ch] = 7;\n s->num_exp_groups[s->lfe_ch] = 2;\n s->channel_in_cpl[s->lfe_ch] = 0;\n }\n if (s->bitstream_id <= 10) {\n s->eac3 = 0;\n s->snr_offset_strategy = 2;\n s->block_switch_syntax = 1;\n s->dither_flag_syntax = 1;\n s->bit_allocation_syntax = 1;\n s->fast_gain_syntax = 0;\n s->first_cpl_leak = 0;\n s->dba_syntax = 1;\n s->skip_syntax = 1;\n memset(s->channel_uses_aht, 0, sizeof(s->channel_uses_aht));\n return ac3_parse_header(s);\n } else if (CONFIG_EAC3_DECODER) {\n s->eac3 = 1;\n return ff_eac3_parse_header(s);\n } else {\n av_log(s->avctx, AV_LOG_ERROR, "E-AC-3 support not compiled in\\n");\n return AVERROR(ENOSYS);\n }\n}', 'int ff_ac3_parse_header(GetBitContext *gbc, AC3HeaderInfo *hdr)\n{\n int frame_size_code;\n memset(hdr, 0, sizeof(*hdr));\n hdr->sync_word = get_bits(gbc, 16);\n if(hdr->sync_word != 0x0B77)\n return AAC_AC3_PARSE_ERROR_SYNC;\n hdr->bitstream_id = show_bits_long(gbc, 29) & 0x1F;\n if(hdr->bitstream_id > 16)\n return AAC_AC3_PARSE_ERROR_BSID;\n hdr->num_blocks = 6;\n hdr->center_mix_level = 5;\n hdr->surround_mix_level = 6;\n hdr->dolby_surround_mode = AC3_DSURMOD_NOTINDICATED;\n if(hdr->bitstream_id <= 10) {\n hdr->crc1 = get_bits(gbc, 16);\n hdr->sr_code = get_bits(gbc, 2);\n if(hdr->sr_code == 3)\n return AAC_AC3_PARSE_ERROR_SAMPLE_RATE;\n frame_size_code = get_bits(gbc, 6);\n if(frame_size_code > 37)\n return AAC_AC3_PARSE_ERROR_FRAME_SIZE;\n skip_bits(gbc, 5);\n hdr->bitstream_mode = get_bits(gbc, 3);\n hdr->channel_mode = get_bits(gbc, 3);\n if(hdr->channel_mode == AC3_CHMODE_STEREO) {\n hdr->dolby_surround_mode = get_bits(gbc, 2);\n } else {\n if((hdr->channel_mode & 1) && hdr->channel_mode != AC3_CHMODE_MONO)\n hdr-> center_mix_level = center_levels[get_bits(gbc, 2)];\n if(hdr->channel_mode & 4)\n hdr->surround_mix_level = surround_levels[get_bits(gbc, 2)];\n }\n hdr->lfe_on = get_bits1(gbc);\n hdr->sr_shift = FFMAX(hdr->bitstream_id, 8) - 8;\n hdr->sample_rate = ff_ac3_sample_rate_tab[hdr->sr_code] >> hdr->sr_shift;\n hdr->bit_rate = (ff_ac3_bitrate_tab[frame_size_code>>1] * 1000) >> hdr->sr_shift;\n hdr->channels = ff_ac3_channels_tab[hdr->channel_mode] + hdr->lfe_on;\n hdr->frame_size = ff_ac3_frame_size_tab[frame_size_code][hdr->sr_code] * 2;\n hdr->frame_type = EAC3_FRAME_TYPE_AC3_CONVERT;\n hdr->substreamid = 0;\n } else {\n hdr->crc1 = 0;\n hdr->frame_type = get_bits(gbc, 2);\n if(hdr->frame_type == EAC3_FRAME_TYPE_RESERVED)\n return AAC_AC3_PARSE_ERROR_FRAME_TYPE;\n hdr->substreamid = get_bits(gbc, 3);\n hdr->frame_size = (get_bits(gbc, 11) + 1) << 1;\n if(hdr->frame_size < AC3_HEADER_SIZE)\n return AAC_AC3_PARSE_ERROR_FRAME_SIZE;\n hdr->sr_code = get_bits(gbc, 2);\n if (hdr->sr_code == 3) {\n int sr_code2 = get_bits(gbc, 2);\n if(sr_code2 == 3)\n return AAC_AC3_PARSE_ERROR_SAMPLE_RATE;\n hdr->sample_rate = ff_ac3_sample_rate_tab[sr_code2] / 2;\n hdr->sr_shift = 1;\n } else {\n hdr->num_blocks = eac3_blocks[get_bits(gbc, 2)];\n hdr->sample_rate = ff_ac3_sample_rate_tab[hdr->sr_code];\n hdr->sr_shift = 0;\n }\n hdr->channel_mode = get_bits(gbc, 3);\n hdr->lfe_on = get_bits1(gbc);\n hdr->bit_rate = (uint32_t)(8.0 * hdr->frame_size * hdr->sample_rate /\n (hdr->num_blocks * 256.0));\n hdr->channels = ff_ac3_channels_tab[hdr->channel_mode] + hdr->lfe_on;\n }\n hdr->channel_layout = avpriv_ac3_channel_layout_tab[hdr->channel_mode];\n if (hdr->lfe_on)\n hdr->channel_layout |= AV_CH_LOW_FREQUENCY;\n return 0;\n}', 'int ff_eac3_parse_header(AC3DecodeContext *s)\n{\n int i, blk, ch;\n int ac3_exponent_strategy, parse_aht_info, parse_spx_atten_data;\n int parse_transient_proc_info;\n int num_cpl_blocks;\n GetBitContext *gbc = &s->gbc;\n if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {\n if (!s->eac3_frame_dependent_found) {\n s->eac3_frame_dependent_found = 1;\n avpriv_request_sample(s->avctx, "Dependent substream decoding");\n }\n return AAC_AC3_PARSE_ERROR_FRAME_TYPE;\n } else if (s->frame_type == EAC3_FRAME_TYPE_RESERVED) {\n av_log(s->avctx, AV_LOG_ERROR, "Reserved frame type\\n");\n return AAC_AC3_PARSE_ERROR_FRAME_TYPE;\n }\n if (s->substreamid) {\n if (!s->eac3_subsbtreamid_found) {\n s->eac3_subsbtreamid_found = 1;\n avpriv_request_sample(s->avctx, "Additional substreams");\n }\n return AAC_AC3_PARSE_ERROR_FRAME_TYPE;\n }\n if (s->bit_alloc_params.sr_code == EAC3_SR_CODE_REDUCED) {\n avpriv_request_sample(s->avctx, "Reduced sampling rate");\n return AVERROR_PATCHWELCOME;\n }\n skip_bits(gbc, 5);\n for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {\n skip_bits(gbc, 5);\n if (get_bits1(gbc)) {\n skip_bits(gbc, 8);\n }\n }\n if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {\n if (get_bits1(gbc)) {\n skip_bits(gbc, 16);\n }\n }\n if (get_bits1(gbc)) {\n if (s->channel_mode > AC3_CHMODE_STEREO) {\n s->preferred_downmix = get_bits(gbc, 2);\n if (s->channel_mode & 1) {\n s->center_mix_level_ltrt = get_bits(gbc, 3);\n s->center_mix_level = get_bits(gbc, 3);\n }\n if (s->channel_mode & 4) {\n s->surround_mix_level_ltrt = av_clip(get_bits(gbc, 3), 3, 7);\n s->surround_mix_level = av_clip(get_bits(gbc, 3), 3, 7);\n }\n }\n if (s->lfe_on && (s->lfe_mix_level_exists = get_bits1(gbc))) {\n s->lfe_mix_level = get_bits(gbc, 5);\n }\n if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {\n for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {\n if (get_bits1(gbc)) {\n skip_bits(gbc, 6);\n }\n }\n if (get_bits1(gbc)) {\n skip_bits(gbc, 6);\n }\n switch(get_bits(gbc, 2)) {\n case 1: skip_bits(gbc, 5); break;\n case 2: skip_bits(gbc, 12); break;\n case 3: {\n int mix_data_size = (get_bits(gbc, 5) + 2) << 3;\n skip_bits_long(gbc, mix_data_size);\n break;\n }\n }\n if (s->channel_mode < AC3_CHMODE_STEREO) {\n for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {\n if (get_bits1(gbc)) {\n skip_bits(gbc, 8);\n skip_bits(gbc, 6);\n }\n }\n }\n if (get_bits1(gbc)) {\n for (blk = 0; blk < s->num_blocks; blk++) {\n if (s->num_blocks == 1 || get_bits1(gbc)) {\n skip_bits(gbc, 5);\n }\n }\n }\n }\n }\n if (get_bits1(gbc)) {\n s->bitstream_mode = get_bits(gbc, 3);\n skip_bits(gbc, 2);\n if (s->channel_mode == AC3_CHMODE_STEREO) {\n s->dolby_surround_mode = get_bits(gbc, 2);\n s->dolby_headphone_mode = get_bits(gbc, 2);\n }\n if (s->channel_mode >= AC3_CHMODE_2F2R) {\n s->dolby_surround_ex_mode = get_bits(gbc, 2);\n }\n for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {\n if (get_bits1(gbc)) {\n skip_bits(gbc, 8);\n }\n }\n if (s->bit_alloc_params.sr_code != EAC3_SR_CODE_REDUCED) {\n skip_bits1(gbc);\n }\n }\n if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT && s->num_blocks != 6) {\n skip_bits1(gbc);\n }\n if (s->frame_type == EAC3_FRAME_TYPE_AC3_CONVERT &&\n (s->num_blocks == 6 || get_bits1(gbc))) {\n skip_bits(gbc, 6);\n }\n if (get_bits1(gbc)) {\n int addbsil = get_bits(gbc, 6);\n for (i = 0; i < addbsil + 1; i++) {\n skip_bits(gbc, 8);\n }\n }\n if (s->num_blocks == 6) {\n ac3_exponent_strategy = get_bits1(gbc);\n parse_aht_info = get_bits1(gbc);\n } else {\n ac3_exponent_strategy = 1;\n parse_aht_info = 0;\n }\n s->snr_offset_strategy = get_bits(gbc, 2);\n parse_transient_proc_info = get_bits1(gbc);\n s->block_switch_syntax = get_bits1(gbc);\n if (!s->block_switch_syntax)\n memset(s->block_switch, 0, sizeof(s->block_switch));\n s->dither_flag_syntax = get_bits1(gbc);\n if (!s->dither_flag_syntax) {\n for (ch = 1; ch <= s->fbw_channels; ch++)\n s->dither_flag[ch] = 1;\n }\n s->dither_flag[CPL_CH] = s->dither_flag[s->lfe_ch] = 0;\n s->bit_allocation_syntax = get_bits1(gbc);\n if (!s->bit_allocation_syntax) {\n s->bit_alloc_params.slow_decay = ff_ac3_slow_decay_tab[2];\n s->bit_alloc_params.fast_decay = ff_ac3_fast_decay_tab[1];\n s->bit_alloc_params.slow_gain = ff_ac3_slow_gain_tab [1];\n s->bit_alloc_params.db_per_bit = ff_ac3_db_per_bit_tab[2];\n s->bit_alloc_params.floor = ff_ac3_floor_tab [7];\n }\n s->fast_gain_syntax = get_bits1(gbc);\n s->dba_syntax = get_bits1(gbc);\n s->skip_syntax = get_bits1(gbc);\n parse_spx_atten_data = get_bits1(gbc);\n num_cpl_blocks = 0;\n if (s->channel_mode > 1) {\n for (blk = 0; blk < s->num_blocks; blk++) {\n s->cpl_strategy_exists[blk] = (!blk || get_bits1(gbc));\n if (s->cpl_strategy_exists[blk]) {\n s->cpl_in_use[blk] = get_bits1(gbc);\n } else {\n s->cpl_in_use[blk] = s->cpl_in_use[blk-1];\n }\n num_cpl_blocks += s->cpl_in_use[blk];\n }\n } else {\n memset(s->cpl_in_use, 0, sizeof(s->cpl_in_use));\n }\n if (ac3_exponent_strategy) {\n for (blk = 0; blk < s->num_blocks; blk++) {\n for (ch = !s->cpl_in_use[blk]; ch <= s->fbw_channels; ch++) {\n s->exp_strategy[blk][ch] = get_bits(gbc, 2);\n }\n }\n } else {\n for (ch = !((s->channel_mode > 1) && num_cpl_blocks); ch <= s->fbw_channels; ch++) {\n int frmchexpstr = get_bits(gbc, 5);\n for (blk = 0; blk < 6; blk++) {\n s->exp_strategy[blk][ch] = ff_eac3_frm_expstr[frmchexpstr][blk];\n }\n }\n }\n if (s->lfe_on) {\n for (blk = 0; blk < s->num_blocks; blk++) {\n s->exp_strategy[blk][s->lfe_ch] = get_bits1(gbc);\n }\n }\n if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT &&\n (s->num_blocks == 6 || get_bits1(gbc))) {\n skip_bits(gbc, 5 * s->fbw_channels);\n }\n if (parse_aht_info) {\n s->channel_uses_aht[CPL_CH]=0;\n for (ch = (num_cpl_blocks != 6); ch <= s->channels; ch++) {\n int use_aht = 1;\n for (blk = 1; blk < 6; blk++) {\n if ((s->exp_strategy[blk][ch] != EXP_REUSE) ||\n (!ch && s->cpl_strategy_exists[blk])) {\n use_aht = 0;\n break;\n }\n }\n s->channel_uses_aht[ch] = use_aht && get_bits1(gbc);\n }\n } else {\n memset(s->channel_uses_aht, 0, sizeof(s->channel_uses_aht));\n }\n if (!s->snr_offset_strategy) {\n int csnroffst = (get_bits(gbc, 6) - 15) << 4;\n int snroffst = (csnroffst + get_bits(gbc, 4)) << 2;\n for (ch = 0; ch <= s->channels; ch++)\n s->snr_offset[ch] = snroffst;\n }\n if (parse_transient_proc_info) {\n for (ch = 1; ch <= s->fbw_channels; ch++) {\n if (get_bits1(gbc)) {\n skip_bits(gbc, 10);\n skip_bits(gbc, 8);\n }\n }\n }\n for (ch = 1; ch <= s->fbw_channels; ch++) {\n if (parse_spx_atten_data && get_bits1(gbc)) {\n s->spx_atten_code[ch] = get_bits(gbc, 5);\n } else {\n s->spx_atten_code[ch] = -1;\n }\n }\n if (s->num_blocks > 1 && get_bits1(gbc)) {\n int block_start_bits = (s->num_blocks-1) * (4 + av_log2(s->frame_size-2));\n skip_bits_long(gbc, block_start_bits);\n avpriv_request_sample(s->avctx, "Block start info");\n }\n for (ch = 1; ch <= s->fbw_channels; ch++) {\n s->first_spx_coords[ch] = 1;\n s->first_cpl_coords[ch] = 1;\n }\n s->first_cpl_leak = 1;\n return 0;\n}'] |
21,418 | 0 | https://github.com/openssl/openssl/blob/e51511ce497884ebf680714271ec96416e600622/test/evp_test.c/#L1643 | 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 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}'] |
21,419 | 1 | https://github.com/openssl/openssl/blob/8e826a339f8cda20a4311fa88a1de782972cf40d/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}', '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 }\n a->d[i] |= (((BN_ULONG)1) << j);\n bn_check_top(a);\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 = 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 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}'] |
21,420 | 0 | https://github.com/nginx/nginx/blob/e5b2d3c6b2a132bbbbac0249566f0da7ff12bc39/src/http/ngx_http_request.c/#L2823 | static ngx_int_t
ngx_http_post_action(ngx_http_request_t *r)
{
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->post_action.data == NULL) {
return NGX_DECLINED;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"post action: \"%V\"", &clcf->post_action);
r->main->count--;
r->http_version = NGX_HTTP_VERSION_9;
r->header_only = 1;
r->post_action = 1;
r->read_event_handler = ngx_http_block_reading;
if (clcf->post_action.data[0] == '/') {
ngx_http_internal_redirect(r, &clcf->post_action, NULL);
} else {
ngx_http_named_location(r, &clcf->post_action);
}
return NGX_OK;
} | ['static void\nngx_http_upstream_process_header(ngx_http_request_t *r, ngx_http_upstream_t *u)\n{\n ssize_t n;\n ngx_int_t rc;\n ngx_connection_t *c;\n c = u->peer.connection;\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http upstream process header");\n c->log->action = "reading response header from upstream";\n if (c->read->timedout) {\n ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_TIMEOUT);\n return;\n }\n if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) {\n ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR);\n return;\n }\n if (u->buffer.start == NULL) {\n u->buffer.start = ngx_palloc(r->pool, u->conf->buffer_size);\n if (u->buffer.start == NULL) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n u->buffer.pos = u->buffer.start;\n u->buffer.last = u->buffer.start;\n u->buffer.end = u->buffer.start + u->conf->buffer_size;\n u->buffer.temporary = 1;\n u->buffer.tag = u->output.tag;\n if (ngx_list_init(&u->headers_in.headers, r->pool, 8,\n sizeof(ngx_table_elt_t))\n != NGX_OK)\n {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n#if (NGX_HTTP_CACHE)\n if (r->cache) {\n u->buffer.pos += r->cache->header_start;\n u->buffer.last = u->buffer.pos;\n }\n#endif\n }\n for ( ;; ) {\n n = c->recv(c, u->buffer.last, u->buffer.end - u->buffer.last);\n if (n == NGX_AGAIN) {\n#if 0\n ngx_add_timer(rev, u->read_timeout);\n#endif\n if (ngx_handle_read_event(c->read, 0) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n return;\n }\n if (n == 0) {\n ngx_log_error(NGX_LOG_ERR, c->log, 0,\n "upstream prematurely closed connection");\n }\n if (n == NGX_ERROR || n == 0) {\n ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR);\n return;\n }\n u->buffer.last += n;\n#if 0\n u->valid_header_in = 0;\n u->peer.cached = 0;\n#endif\n rc = u->process_header(r);\n if (rc == NGX_AGAIN) {\n if (u->buffer.pos == u->buffer.end) {\n ngx_log_error(NGX_LOG_ERR, c->log, 0,\n "upstream sent too big header");\n ngx_http_upstream_next(r, u,\n NGX_HTTP_UPSTREAM_FT_INVALID_HEADER);\n return;\n }\n continue;\n }\n break;\n }\n if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) {\n ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_INVALID_HEADER);\n return;\n }\n if (rc == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n if (u->headers_in.status_n >= NGX_HTTP_BAD_REQUEST) {\n if (r->subrequest_in_memory) {\n u->buffer.last = u->buffer.pos;\n }\n if (ngx_http_upstream_test_next(r, u) == NGX_OK) {\n return;\n }\n if (ngx_http_upstream_intercept_errors(r, u) == NGX_OK) {\n return;\n }\n }\n if (ngx_http_upstream_process_headers(r, u) != NGX_OK) {\n return;\n }\n if (!r->subrequest_in_memory) {\n ngx_http_upstream_send_response(r, u);\n return;\n }\n if (u->input_filter == NULL) {\n u->input_filter_init = ngx_http_upstream_non_buffered_filter_init;\n u->input_filter = ngx_http_upstream_non_buffered_filter;\n u->input_filter_ctx = r;\n }\n if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n n = u->buffer.last - u->buffer.pos;\n if (n) {\n u->buffer.last -= n;\n u->state->response_length += n;\n if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u, NGX_ERROR);\n return;\n }\n if (u->length == 0) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n }\n u->read_event_handler = ngx_http_upstream_process_body_in_memory;\n ngx_http_upstream_process_body_in_memory(r, u);\n}', 'static ngx_int_t\nngx_http_upstream_process_headers(ngx_http_request_t *r, ngx_http_upstream_t *u)\n{\n ngx_str_t *uri, args;\n ngx_uint_t i, flags;\n ngx_list_part_t *part;\n ngx_table_elt_t *h;\n ngx_http_upstream_header_t *hh;\n ngx_http_upstream_main_conf_t *umcf;\n umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);\n if (u->headers_in.x_accel_redirect\n && !(u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT))\n {\n ngx_http_upstream_finalize_request(r, u, NGX_DECLINED);\n part = &u->headers_in.headers.part;\n h = part->elts;\n for (i = 0; ; i++) {\n if (i >= part->nelts) {\n if (part->next == NULL) {\n break;\n }\n part = part->next;\n h = part->elts;\n i = 0;\n }\n hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash,\n h[i].lowcase_key, h[i].key.len);\n if (hh && hh->redirect) {\n if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) {\n ngx_http_finalize_request(r,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n }\n }\n uri = &u->headers_in.x_accel_redirect->value;\n args.len = 0;\n args.data = NULL;\n flags = 0;\n if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {\n ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND);\n return NGX_DONE;\n }\n if (flags & NGX_HTTP_ZERO_IN_URI) {\n r->zero_in_uri = 1;\n }\n if (r->method != NGX_HTTP_HEAD) {\n r->method = NGX_HTTP_GET;\n }\n r->valid_unparsed_uri = 0;\n ngx_http_internal_redirect(r, uri, &args);\n ngx_http_finalize_request(r, NGX_DONE);\n return NGX_DONE;\n }\n part = &u->headers_in.headers.part;\n h = part->elts;\n for (i = 0; ; i++) {\n if (i >= part->nelts) {\n if (part->next == NULL) {\n break;\n }\n part = part->next;\n h = part->elts;\n i = 0;\n }\n if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash,\n h[i].lowcase_key, h[i].key.len))\n {\n continue;\n }\n hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash,\n h[i].lowcase_key, h[i].key.len);\n if (hh) {\n if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n continue;\n }\n if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n }\n if (r->headers_out.server && r->headers_out.server->value.data == NULL) {\n r->headers_out.server->hash = 0;\n }\n if (r->headers_out.date && r->headers_out.date->value.data == NULL) {\n r->headers_out.date->hash = 0;\n }\n r->headers_out.status = u->headers_in.status_n;\n r->headers_out.status_line = u->headers_in.status_line;\n u->headers_in.content_length_n = r->headers_out.content_length_n;\n if (r->headers_out.content_length_n != -1) {\n u->length = (size_t) r->headers_out.content_length_n;\n } else {\n u->length = NGX_MAX_SIZE_T_VALUE;\n }\n return NGX_OK;\n}', 'static void\nngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u)\n{\n int tcp_nodelay;\n ssize_t n;\n ngx_int_t rc;\n ngx_event_pipe_t *p;\n ngx_connection_t *c;\n ngx_http_core_loc_conf_t *clcf;\n rc = ngx_http_send_header(r);\n if (rc == NGX_ERROR || rc > NGX_OK || r->post_action) {\n ngx_http_upstream_finalize_request(r, u, rc);\n return;\n }\n c = r->connection;\n if (r->header_only) {\n if (u->cacheable || u->store) {\n if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {\n ngx_connection_error(c, ngx_socket_errno,\n ngx_shutdown_socket_n " failed");\n }\n r->read_event_handler = ngx_http_request_empty_handler;\n r->write_event_handler = ngx_http_request_empty_handler;\n c->error = 1;\n } else {\n ngx_http_upstream_finalize_request(r, u, rc);\n return;\n }\n }\n u->header_sent = 1;\n if (r->request_body && r->request_body->temp_file) {\n ngx_pool_run_cleanup_file(r->pool, r->request_body->temp_file->file.fd);\n r->request_body->temp_file->file.fd = NGX_INVALID_FILE;\n }\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (!u->buffering) {\n if (u->input_filter == NULL) {\n u->input_filter_init = ngx_http_upstream_non_buffered_filter_init;\n u->input_filter = ngx_http_upstream_non_buffered_filter;\n u->input_filter_ctx = r;\n }\n u->read_event_handler = ngx_http_upstream_process_non_buffered_upstream;\n r->write_event_handler =\n ngx_http_upstream_process_non_buffered_downstream;\n r->limit_rate = 0;\n if (u->input_filter_init(u->input_filter_ctx) == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) {\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");\n tcp_nodelay = 1;\n if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,\n (const void *) &tcp_nodelay, sizeof(int)) == -1)\n {\n ngx_connection_error(c, ngx_socket_errno,\n "setsockopt(TCP_NODELAY) failed");\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n c->tcp_nodelay = NGX_TCP_NODELAY_SET;\n }\n n = u->buffer.last - u->buffer.pos;\n if (n) {\n u->buffer.last = u->buffer.pos;\n u->state->response_length += n;\n if (u->input_filter(u->input_filter_ctx, n) == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n ngx_http_upstream_process_non_buffered_downstream(r);\n } else {\n u->buffer.pos = u->buffer.start;\n u->buffer.last = u->buffer.start;\n if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n if (u->peer.connection->read->ready) {\n ngx_http_upstream_process_non_buffered_upstream(r, u);\n }\n }\n return;\n }\n#if (NGX_HTTP_CACHE)\n if (r->cache && r->cache->file.fd != NGX_INVALID_FILE) {\n ngx_pool_run_cleanup_file(r->pool, r->cache->file.fd);\n r->cache->file.fd = NGX_INVALID_FILE;\n }\n if (u->cacheable) {\n time_t now, valid;\n now = ngx_time();\n valid = r->cache->valid_sec;\n if (valid == 0) {\n valid = ngx_http_file_cache_valid(u->conf->cache_valid,\n u->headers_in.status_n);\n if (valid) {\n r->cache->valid_sec = now + valid;\n }\n }\n if (valid) {\n r->cache->last_modified = r->headers_out.last_modified_time;\n r->cache->date = now;\n r->cache->body_start = (u_short) (u->buffer.pos - u->buffer.start);\n if (r->headers_out.content_length_n != -1) {\n r->cache->length = r->cache->body_start\n + r->headers_out.content_length_n;\n }\n ngx_http_file_cache_set_header(r, u->buffer.start);\n } else {\n u->cacheable = 0;\n r->headers_out.last_modified_time = -1;\n }\n }\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http cacheable: %d", u->cacheable);\n if (u->cacheable == 0 && r->cache) {\n ngx_http_file_cache_free(r, u->pipe->temp_file);\n }\n#endif\n p = u->pipe;\n p->output_filter = (ngx_event_pipe_output_filter_pt) ngx_http_output_filter;\n p->output_ctx = r;\n p->tag = u->output.tag;\n p->bufs = u->conf->bufs;\n p->busy_size = u->conf->busy_buffers_size;\n p->upstream = u->peer.connection;\n p->downstream = c;\n p->pool = r->pool;\n p->log = c->log;\n p->cacheable = u->cacheable || u->store;\n p->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t));\n if (p->temp_file == NULL) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n p->temp_file->file.fd = NGX_INVALID_FILE;\n p->temp_file->file.log = c->log;\n p->temp_file->path = u->conf->temp_path;\n p->temp_file->pool = r->pool;\n if (p->cacheable) {\n p->temp_file->persistent = 1;\n } else {\n p->temp_file->log_level = NGX_LOG_WARN;\n p->temp_file->warn = "an upstream response is buffered "\n "to a temporary file";\n }\n p->max_temp_file_size = u->conf->max_temp_file_size;\n p->temp_file_write_size = u->conf->temp_file_write_size;\n p->preread_bufs = ngx_alloc_chain_link(r->pool);\n if (p->preread_bufs == NULL) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n p->preread_bufs->buf = &u->buffer;\n p->preread_bufs->next = NULL;\n u->buffer.recycled = 1;\n p->preread_size = u->buffer.last - u->buffer.pos;\n if (u->cacheable) {\n p->buf_to_file = ngx_calloc_buf(r->pool);\n if (p->buf_to_file == NULL) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n p->buf_to_file->pos = u->buffer.start;\n p->buf_to_file->last = u->buffer.pos;\n p->buf_to_file->temporary = 1;\n }\n if (ngx_event_flags & NGX_USE_AIO_EVENT) {\n p->single_buf = 1;\n }\n p->free_bufs = 1;\n u->buffer.last = u->buffer.pos;\n if (u->conf->cyclic_temp_file) {\n p->cyclic_temp_file = 1;\n c->sendfile = 0;\n } else {\n p->cyclic_temp_file = 0;\n }\n p->read_timeout = u->conf->read_timeout;\n p->send_timeout = clcf->send_timeout;\n p->send_lowat = clcf->send_lowat;\n u->read_event_handler = ngx_http_upstream_process_upstream;\n r->write_event_handler = ngx_http_upstream_process_downstream;\n ngx_http_upstream_process_upstream(r, u);\n}', 'static void\nngx_http_upstream_finalize_request(ngx_http_request_t *r,\n ngx_http_upstream_t *u, ngx_int_t rc)\n{\n ngx_time_t *tp;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "finalize http upstream request: %i", rc);\n if (u->cleanup) {\n *u->cleanup = NULL;\n }\n if (u->state && u->state->response_sec) {\n tp = ngx_timeofday();\n u->state->response_sec = tp->sec - u->state->response_sec;\n u->state->response_msec = tp->msec - u->state->response_msec;\n if (u->pipe) {\n u->state->response_length = u->pipe->read_length;\n }\n }\n u->finalize_request(r, rc);\n if (u->peer.free) {\n u->peer.free(&u->peer, u->peer.data, 0);\n }\n if (u->peer.connection) {\n#if (NGX_HTTP_SSL)\n if (u->peer.connection->ssl) {\n u->peer.connection->ssl->no_wait_shutdown = 1;\n (void) ngx_ssl_shutdown(u->peer.connection);\n }\n#endif\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "close http upstream connection: %d",\n u->peer.connection->fd);\n ngx_close_connection(u->peer.connection);\n }\n u->peer.connection = NULL;\n if (u->pipe && u->pipe->temp_file) {\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http upstream temp fd: %d",\n u->pipe->temp_file->file.fd);\n }\n#if (NGX_HTTP_CACHE)\n if (u->cacheable && r->cache) {\n time_t valid;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http upstream cache fd: %d",\n r->cache->file.fd);\n if (rc == NGX_HTTP_BAD_GATEWAY || rc == NGX_HTTP_GATEWAY_TIME_OUT) {\n valid = ngx_http_file_cache_valid(u->conf->cache_valid, rc);\n if (valid) {\n r->cache->valid_sec = ngx_time() + valid;\n r->cache->error = rc;\n }\n }\n ngx_http_file_cache_free(r, u->pipe->temp_file);\n }\n#endif\n if (u->header_sent\n && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE))\n {\n rc = 0;\n }\n if (rc == NGX_DECLINED) {\n return;\n }\n r->connection->log->action = "sending to client";\n if (rc == 0) {\n rc = ngx_http_send_special(r, NGX_HTTP_LAST);\n }\n ngx_http_finalize_request(r, rc);\n}', 'void\nngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)\n{\n ngx_connection_t *c;\n ngx_http_request_t *pr;\n ngx_http_core_loc_conf_t *clcf;\n c = r->connection;\n ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize request: %d, \\"%V?%V\\" a:%d, c:%d",\n rc, &r->uri, &r->args, r == c->data, r->main->count);\n if (rc == NGX_DONE) {\n ngx_http_finalize_connection(r);\n return;\n }\n if (rc == NGX_OK && r->filter_finalize) {\n c->error = 1;\n return;\n }\n if (rc == NGX_DECLINED) {\n r->content_handler = NULL;\n r->write_event_handler = ngx_http_core_run_phases;\n ngx_http_core_run_phases(r);\n return;\n }\n if (r != r->main && r->post_subrequest) {\n rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);\n }\n if (rc == NGX_ERROR\n || rc == NGX_HTTP_REQUEST_TIME_OUT\n || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST\n || c->error)\n {\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (r->main->blocked) {\n r->write_event_handler = ngx_http_request_finalizer;\n }\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (rc >= NGX_HTTP_SPECIAL_RESPONSE\n || rc == NGX_HTTP_CREATED\n || rc == NGX_HTTP_NO_CONTENT)\n {\n if (rc == NGX_HTTP_CLOSE) {\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (r == r->main) {\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n ngx_del_timer(c->write);\n }\n }\n c->read->handler = ngx_http_request_handler;\n c->write->handler = ngx_http_request_handler;\n ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));\n return;\n }\n if (r != r->main) {\n if (r->buffered || r->postponed) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n#if (NGX_DEBUG)\n if (r != c->data) {\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n }\n#endif\n pr = r->parent;\n if (r == c->data) {\n r->main->count--;\n if (!r->logged) {\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->log_subrequest) {\n ngx_http_log_request(r);\n }\n r->logged = 1;\n } else {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "subrequest: \\"%V?%V\\" logged again",\n &r->uri, &r->args);\n }\n r->done = 1;\n if (pr->postponed && pr->postponed->request == r) {\n pr->postponed = pr->postponed->next;\n }\n c->data = pr;\n } else {\n r->write_event_handler = ngx_http_request_finalizer;\n if (r->waited) {\n r->done = 1;\n }\n }\n if (ngx_http_post_request(pr, NULL) != NGX_OK) {\n r->main->count++;\n ngx_http_terminate_request(r, 0);\n return;\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http wake parent request: \\"%V?%V\\"",\n &pr->uri, &pr->args);\n return;\n }\n if (r->buffered || c->buffered || r->postponed || r->blocked) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n if (r != c->data) {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n return;\n }\n r->done = 1;\n if (!r->post_action) {\n r->request_complete = 1;\n }\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n c->write->delayed = 0;\n ngx_del_timer(c->write);\n }\n if (c->read->eof) {\n ngx_http_close_request(r, 0);\n return;\n }\n ngx_http_finalize_connection(r);\n}', 'static ngx_int_t\nngx_http_post_action(ngx_http_request_t *r)\n{\n ngx_http_core_loc_conf_t *clcf;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->post_action.data == NULL) {\n return NGX_DECLINED;\n }\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "post action: \\"%V\\"", &clcf->post_action);\n r->main->count--;\n r->http_version = NGX_HTTP_VERSION_9;\n r->header_only = 1;\n r->post_action = 1;\n r->read_event_handler = ngx_http_block_reading;\n if (clcf->post_action.data[0] == \'/\') {\n ngx_http_internal_redirect(r, &clcf->post_action, NULL);\n } else {\n ngx_http_named_location(r, &clcf->post_action);\n }\n return NGX_OK;\n}'] |
21,421 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/x509v3/v3_utl.c/#L201 | ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value)
{
BIGNUM *bn = NULL;
ASN1_INTEGER *aint;
int isneg, ishex;
int ret;
if (value == NULL) {
X509V3err(X509V3_F_S2I_ASN1_INTEGER, X509V3_R_INVALID_NULL_VALUE);
return NULL;
}
bn = BN_new();
if (bn == NULL) {
X509V3err(X509V3_F_S2I_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);
return NULL;
}
if (value[0] == '-') {
value++;
isneg = 1;
} else
isneg = 0;
if (value[0] == '0' && ((value[1] == 'x') || (value[1] == 'X'))) {
value += 2;
ishex = 1;
} else
ishex = 0;
if (ishex)
ret = BN_hex2bn(&bn, value);
else
ret = BN_dec2bn(&bn, value);
if (!ret || value[ret]) {
BN_free(bn);
X509V3err(X509V3_F_S2I_ASN1_INTEGER, X509V3_R_BN_DEC2BN_ERROR);
return NULL;
}
if (isneg && BN_is_zero(bn))
isneg = 0;
aint = BN_to_ASN1_INTEGER(bn, NULL);
BN_free(bn);
if (!aint) {
X509V3err(X509V3_F_S2I_ASN1_INTEGER,
X509V3_R_BN_TO_ASN1_INTEGER_ERROR);
return NULL;
}
if (isneg)
aint->type |= V_ASN1_NEG;
return aint;
} | ["ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value)\n{\n BIGNUM *bn = NULL;\n ASN1_INTEGER *aint;\n int isneg, ishex;\n int ret;\n if (value == NULL) {\n X509V3err(X509V3_F_S2I_ASN1_INTEGER, X509V3_R_INVALID_NULL_VALUE);\n return NULL;\n }\n bn = BN_new();\n if (bn == NULL) {\n X509V3err(X509V3_F_S2I_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n if (value[0] == '-') {\n value++;\n isneg = 1;\n } else\n isneg = 0;\n if (value[0] == '0' && ((value[1] == 'x') || (value[1] == 'X'))) {\n value += 2;\n ishex = 1;\n } else\n ishex = 0;\n if (ishex)\n ret = BN_hex2bn(&bn, value);\n else\n ret = BN_dec2bn(&bn, value);\n if (!ret || value[ret]) {\n BN_free(bn);\n X509V3err(X509V3_F_S2I_ASN1_INTEGER, X509V3_R_BN_DEC2BN_ERROR);\n return NULL;\n }\n if (isneg && BN_is_zero(bn))\n isneg = 0;\n aint = BN_to_ASN1_INTEGER(bn, NULL);\n BN_free(bn);\n if (!aint) {\n X509V3err(X509V3_F_S2I_ASN1_INTEGER,\n X509V3_R_BN_TO_ASN1_INTEGER_ERROR);\n return NULL;\n }\n if (isneg)\n aint->type |= V_ASN1_NEG;\n return aint;\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#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}'] |
21,422 | 0 | https://github.com/libav/libav/blob/cc20fbcd39c7b60602edae4f7deb092ecfd3c975/libavcodec/vp9block.c/#L1319 | static int inter_recon(AVCodecContext *avctx)
{
static const uint8_t bwlog_tab[2][N_BS_SIZES] = {
{ 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
{ 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },
};
VP9Context *s = avctx->priv_data;
VP9Block *const b = &s->b;
int row = b->row, col = b->col;
AVFrame *ref1 = s->refs[s->refidx[b->ref[0]]];
AVFrame *ref2 = b->comp ? s->refs[s->refidx[b->ref[1]]] : NULL;
int w = avctx->width, h = avctx->height;
ptrdiff_t ls_y = b->y_stride, ls_uv = b->uv_stride;
if (!ref1->data[0] || (b->comp && !ref2->data[0]))
return AVERROR_INVALIDDATA;
if (b->bs > BS_8x8) {
if (b->bs == BS_8x4) {
mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0], ls_y,
ref1->data[0], ref1->linesize[0],
row << 3, col << 3, &b->mv[0][0], 8, 4, w, h);
mc_luma_dir(s, s->dsp.mc[3][b->filter][0],
b->dst[0] + 4 * ls_y, ls_y,
ref1->data[0], ref1->linesize[0],
(row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w, h);
if (b->comp) {
mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0], ls_y,
ref2->data[0], ref2->linesize[0],
row << 3, col << 3, &b->mv[0][1], 8, 4, w, h);
mc_luma_dir(s, s->dsp.mc[3][b->filter][1],
b->dst[0] + 4 * ls_y, ls_y,
ref2->data[0], ref2->linesize[0],
(row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w, h);
}
} else if (b->bs == BS_4x8) {
mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y,
ref1->data[0], ref1->linesize[0],
row << 3, col << 3, &b->mv[0][0], 4, 8, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y,
ref1->data[0], ref1->linesize[0],
row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w, h);
if (b->comp) {
mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y,
ref2->data[0], ref2->linesize[0],
row << 3, col << 3, &b->mv[0][1], 4, 8, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y,
ref2->data[0], ref2->linesize[0],
row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w, h);
}
} else {
av_assert2(b->bs == BS_4x4);
mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y,
ref1->data[0], ref1->linesize[0],
row << 3, col << 3, &b->mv[0][0], 4, 4, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y,
ref1->data[0], ref1->linesize[0],
row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][0],
b->dst[0] + 4 * ls_y, ls_y,
ref1->data[0], ref1->linesize[0],
(row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][0],
b->dst[0] + 4 * ls_y + 4, ls_y,
ref1->data[0], ref1->linesize[0],
(row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w, h);
if (b->comp) {
mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y,
ref2->data[0], ref2->linesize[0],
row << 3, col << 3, &b->mv[0][1], 4, 4, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y,
ref2->data[0], ref2->linesize[0],
row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][1],
b->dst[0] + 4 * ls_y, ls_y,
ref2->data[0], ref2->linesize[0],
(row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w, h);
mc_luma_dir(s, s->dsp.mc[4][b->filter][1],
b->dst[0] + 4 * ls_y + 4, ls_y,
ref2->data[0], ref2->linesize[0],
(row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w, h);
}
}
} else {
int bwl = bwlog_tab[0][b->bs];
int bw = bwh_tab[0][b->bs][0] * 4;
int bh = bwh_tab[0][b->bs][1] * 4;
mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[0], ls_y,
ref1->data[0], ref1->linesize[0],
row << 3, col << 3, &b->mv[0][0], bw, bh, w, h);
if (b->comp)
mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[0], ls_y,
ref2->data[0], ref2->linesize[0],
row << 3, col << 3, &b->mv[0][1], bw, bh, w, h);
}
{
int bwl = bwlog_tab[1][b->bs];
int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4;
VP56mv mvuv;
w = (w + 1) >> 1;
h = (h + 1) >> 1;
if (b->bs > BS_8x8) {
mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x +
b->mv[2][0].x + b->mv[3][0].x, 4);
mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y +
b->mv[2][0].y + b->mv[3][0].y, 4);
} else {
mvuv = b->mv[0][0];
}
mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0],
b->dst[1], b->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2],
row << 2, col << 2, &mvuv, bw, bh, w, h);
if (b->comp) {
if (b->bs > BS_8x8) {
mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x +
b->mv[2][1].x + b->mv[3][1].x, 4);
mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y +
b->mv[2][1].y + b->mv[3][1].y, 4);
} else {
mvuv = b->mv[0][1];
}
mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1],
b->dst[1], b->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2],
row << 2, col << 2, &mvuv, bw, bh, w, h);
}
}
if (!b->skip) {
int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
int end_x = FFMIN(2 * (s->cols - col), w4);
int end_y = FFMIN(2 * (s->rows - row), h4);
int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless;
int uvstep1d = 1 << b->uvtx, p;
uint8_t *dst = b->dst[0];
for (n = 0, y = 0; y < end_y; y += step1d) {
uint8_t *ptr = dst;
for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, n += step) {
int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
if (eob)
s->dsp.itxfm_add[tx][DCT_DCT](ptr, b->y_stride,
s->block + 16 * n, eob);
}
dst += 4 * b->y_stride * step1d;
}
h4 >>= 1;
w4 >>= 1;
end_x >>= 1;
end_y >>= 1;
step = 1 << (b->uvtx * 2);
for (p = 0; p < 2; p++) {
dst = b->dst[p + 1];
for (n = 0, y = 0; y < end_y; y += uvstep1d) {
uint8_t *ptr = dst;
for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, n += step) {
int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n])
: s->uveob[p][n];
if (eob)
s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, b->uv_stride,
s->uvblock[p] + 16 * n, eob);
}
dst += 4 * uvstep1d * b->uv_stride;
}
}
}
return 0;
} | ['static int inter_recon(AVCodecContext *avctx)\n{\n static const uint8_t bwlog_tab[2][N_BS_SIZES] = {\n { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },\n { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },\n };\n VP9Context *s = avctx->priv_data;\n VP9Block *const b = &s->b;\n int row = b->row, col = b->col;\n AVFrame *ref1 = s->refs[s->refidx[b->ref[0]]];\n AVFrame *ref2 = b->comp ? s->refs[s->refidx[b->ref[1]]] : NULL;\n int w = avctx->width, h = avctx->height;\n ptrdiff_t ls_y = b->y_stride, ls_uv = b->uv_stride;\n if (!ref1->data[0] || (b->comp && !ref2->data[0]))\n return AVERROR_INVALIDDATA;\n if (b->bs > BS_8x8) {\n if (b->bs == BS_8x4) {\n mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], 8, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[3][b->filter][0],\n b->dst[0] + 4 * ls_y, ls_y,\n ref1->data[0], ref1->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w, h);\n if (b->comp) {\n mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], 8, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[3][b->filter][1],\n b->dst[0] + 4 * ls_y, ls_y,\n ref2->data[0], ref2->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w, h);\n }\n } else if (b->bs == BS_4x8) {\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], 4, 8, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w, h);\n if (b->comp) {\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], 4, 8, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w, h);\n }\n } else {\n av_assert2(b->bs == BS_4x4);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0],\n b->dst[0] + 4 * ls_y, ls_y,\n ref1->data[0], ref1->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0],\n b->dst[0] + 4 * ls_y + 4, ls_y,\n ref1->data[0], ref1->linesize[0],\n (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w, h);\n if (b->comp) {\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1],\n b->dst[0] + 4 * ls_y, ls_y,\n ref2->data[0], ref2->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1],\n b->dst[0] + 4 * ls_y + 4, ls_y,\n ref2->data[0], ref2->linesize[0],\n (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w, h);\n }\n }\n } else {\n int bwl = bwlog_tab[0][b->bs];\n int bw = bwh_tab[0][b->bs][0] * 4;\n int bh = bwh_tab[0][b->bs][1] * 4;\n mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], bw, bh, w, h);\n if (b->comp)\n mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], bw, bh, w, h);\n }\n {\n int bwl = bwlog_tab[1][b->bs];\n int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4;\n VP56mv mvuv;\n w = (w + 1) >> 1;\n h = (h + 1) >> 1;\n if (b->bs > BS_8x8) {\n mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x +\n b->mv[2][0].x + b->mv[3][0].x, 4);\n mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y +\n b->mv[2][0].y + b->mv[3][0].y, 4);\n } else {\n mvuv = b->mv[0][0];\n }\n mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0],\n b->dst[1], b->dst[2], ls_uv,\n ref1->data[1], ref1->linesize[1],\n ref1->data[2], ref1->linesize[2],\n row << 2, col << 2, &mvuv, bw, bh, w, h);\n if (b->comp) {\n if (b->bs > BS_8x8) {\n mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x +\n b->mv[2][1].x + b->mv[3][1].x, 4);\n mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y +\n b->mv[2][1].y + b->mv[3][1].y, 4);\n } else {\n mvuv = b->mv[0][1];\n }\n mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1],\n b->dst[1], b->dst[2], ls_uv,\n ref2->data[1], ref2->linesize[1],\n ref2->data[2], ref2->linesize[2],\n row << 2, col << 2, &mvuv, bw, bh, w, h);\n }\n }\n if (!b->skip) {\n int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;\n int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);\n int end_x = FFMIN(2 * (s->cols - col), w4);\n int end_y = FFMIN(2 * (s->rows - row), h4);\n int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless;\n int uvstep1d = 1 << b->uvtx, p;\n uint8_t *dst = b->dst[0];\n for (n = 0, y = 0; y < end_y; y += step1d) {\n uint8_t *ptr = dst;\n for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, n += step) {\n int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];\n if (eob)\n s->dsp.itxfm_add[tx][DCT_DCT](ptr, b->y_stride,\n s->block + 16 * n, eob);\n }\n dst += 4 * b->y_stride * step1d;\n }\n h4 >>= 1;\n w4 >>= 1;\n end_x >>= 1;\n end_y >>= 1;\n step = 1 << (b->uvtx * 2);\n for (p = 0; p < 2; p++) {\n dst = b->dst[p + 1];\n for (n = 0, y = 0; y < end_y; y += uvstep1d) {\n uint8_t *ptr = dst;\n for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, n += step) {\n int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n])\n : s->uveob[p][n];\n if (eob)\n s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, b->uv_stride,\n s->uvblock[p] + 16 * n, eob);\n }\n dst += 4 * uvstep1d * b->uv_stride;\n }\n }\n }\n return 0;\n}'] |
21,423 | 0 | https://github.com/openssl/openssl/blob/95ed0e7c1f4206191c1b0288e352010e70e252db/crypto/x509v3/v3_asid.c/#L335 | static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice)
{
ASN1_INTEGER *a_max_plus_one = NULL;
BIGNUM *bn = NULL;
int i, ret = 0;
if (choice == NULL || choice->type == ASIdentifierChoice_inherit)
return 1;
if (choice->type != ASIdentifierChoice_asIdsOrRanges ||
sk_ASIdOrRange_num(choice->u.asIdsOrRanges) == 0)
return 0;
for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; i++) {
ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i);
ASIdOrRange *b = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i + 1);
ASN1_INTEGER *a_min = NULL, *a_max = NULL, *b_min = NULL, *b_max =
NULL;
extract_min_max(a, &a_min, &a_max);
extract_min_max(b, &b_min, &b_max);
if (ASN1_INTEGER_cmp(a_min, b_min) >= 0 ||
ASN1_INTEGER_cmp(a_min, a_max) > 0 ||
ASN1_INTEGER_cmp(b_min, b_max) > 0)
goto done;
if ((bn == NULL && (bn = BN_new()) == NULL) ||
ASN1_INTEGER_to_BN(a_max, bn) == NULL ||
!BN_add_word(bn, 1) ||
(a_max_plus_one =
BN_to_ASN1_INTEGER(bn, a_max_plus_one)) == NULL) {
X509V3err(X509V3_F_ASIDENTIFIERCHOICE_IS_CANONICAL,
ERR_R_MALLOC_FAILURE);
goto done;
}
if (ASN1_INTEGER_cmp(a_max_plus_one, b_min) >= 0)
goto done;
}
i = sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1;
{
ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i);
ASN1_INTEGER *a_min, *a_max;
if (a != NULL && a->type == ASIdOrRange_range) {
extract_min_max(a, &a_min, &a_max);
if (ASN1_INTEGER_cmp(a_min, a_max) > 0)
goto done;
}
}
ret = 1;
done:
ASN1_INTEGER_free(a_max_plus_one);
BN_free(bn);
return ret;
} | ['static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice)\n{\n ASN1_INTEGER *a_max_plus_one = NULL;\n BIGNUM *bn = NULL;\n int i, ret = 0;\n if (choice == NULL || choice->type == ASIdentifierChoice_inherit)\n return 1;\n if (choice->type != ASIdentifierChoice_asIdsOrRanges ||\n sk_ASIdOrRange_num(choice->u.asIdsOrRanges) == 0)\n return 0;\n for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; i++) {\n ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i);\n ASIdOrRange *b = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i + 1);\n ASN1_INTEGER *a_min = NULL, *a_max = NULL, *b_min = NULL, *b_max =\n NULL;\n extract_min_max(a, &a_min, &a_max);\n extract_min_max(b, &b_min, &b_max);\n if (ASN1_INTEGER_cmp(a_min, b_min) >= 0 ||\n ASN1_INTEGER_cmp(a_min, a_max) > 0 ||\n ASN1_INTEGER_cmp(b_min, b_max) > 0)\n goto done;\n if ((bn == NULL && (bn = BN_new()) == NULL) ||\n ASN1_INTEGER_to_BN(a_max, bn) == NULL ||\n !BN_add_word(bn, 1) ||\n (a_max_plus_one =\n BN_to_ASN1_INTEGER(bn, a_max_plus_one)) == NULL) {\n X509V3err(X509V3_F_ASIDENTIFIERCHOICE_IS_CANONICAL,\n ERR_R_MALLOC_FAILURE);\n goto done;\n }\n if (ASN1_INTEGER_cmp(a_max_plus_one, b_min) >= 0)\n goto done;\n }\n i = sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1;\n {\n ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i);\n ASN1_INTEGER *a_min, *a_max;\n if (a != NULL && a->type == ASIdOrRange_range) {\n extract_min_max(a, &a_min, &a_max);\n if (ASN1_INTEGER_cmp(a_min, a_max) > 0)\n goto done;\n }\n }\n ret = 1;\n done:\n ASN1_INTEGER_free(a_max_plus_one);\n BN_free(bn);\n return ret;\n}', 'int sk_num(const _STACK *st)\n{\n if (st == NULL)\n return -1;\n return st->num;\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 void extract_min_max(ASIdOrRange *aor,\n ASN1_INTEGER **min, ASN1_INTEGER **max)\n{\n OPENSSL_assert(aor != NULL && min != NULL && max != NULL);\n switch (aor->type) {\n case ASIdOrRange_id:\n *min = aor->u.id;\n *max = aor->u.id;\n return;\n case ASIdOrRange_range:\n *min = aor->u.range->min;\n *max = aor->u.range->max;\n return;\n }\n}', 'int ASN1_INTEGER_cmp(const ASN1_INTEGER *x, const ASN1_INTEGER *y)\n{\n int neg, ret;\n neg = x->type & V_ASN1_NEG;\n if (neg != (y->type & V_ASN1_NEG)) {\n if (neg)\n return -1;\n else\n return 1;\n }\n ret = ASN1_STRING_cmp(x, y);\n if (neg)\n return -ret;\n else\n return ret;\n}'] |
21,424 | 0 | https://github.com/libav/libav/blob/9707f84fa73c23352937fc7e4e0a85eaf3135cbc/libavcodec/vc1dec.c/#L2237 | static int vc1_decode_p_mb(VC1Context *v)
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
int i, j;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int cbp;
int mqdiff, mquant;
int ttmb = v->ttfrm;
int mb_has_coeffs = 1;
int dmv_x, dmv_y;
int index, index1;
int val, sign;
int first_block = 1;
int dst_idx, off;
int skipped, fourmv;
int block_cbp = 0, pat;
int apply_loop_filter;
mquant = v->pq;
if (v->mv_type_is_raw)
fourmv = get_bits1(gb);
else
fourmv = v->mv_type_mb_plane[mb_pos];
if (v->skip_is_raw)
skipped = get_bits1(gb);
else
skipped = v->s.mbskip_table[mb_pos];
apply_loop_filter = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY);
if (!fourmv)
{
if (!skipped)
{
GET_MVDATA(dmv_x, dmv_y);
if (s->mb_intra) {
s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
}
s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16;
vc1_pred_mv(s, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0]);
if (s->mb_intra && !mb_has_coeffs)
{
GET_MQUANT();
s->ac_pred = get_bits1(gb);
cbp = 0;
}
else if (mb_has_coeffs)
{
if (s->mb_intra) s->ac_pred = get_bits1(gb);
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
GET_MQUANT();
}
else
{
mquant = v->pq;
cbp = 0;
}
s->current_picture.qscale_table[mb_pos] = mquant;
if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,
VC1_TTMB_VLC_BITS, 2);
if(!s->mb_intra) vc1_mc_1mv(v, 0);
dst_idx = 0;
for (i=0; i<6; i++)
{
s->dc_val[0][s->block_index[i]] = 0;
dst_idx += i >> 2;
val = ((cbp >> (5 - i)) & 1);
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
v->mb_type[0][s->block_index[i]] = s->mb_intra;
if(s->mb_intra) {
v->a_avail = v->c_avail = 0;
if(i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if(i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
if(v->a_avail)
v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
}
if(apply_loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){
int left_cbp, top_cbp;
if(i & 4){
left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);
top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);
}else{
left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));
top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));
}
if(left_cbp & 0xC)
v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
if(top_cbp & 0xA)
v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
}
block_cbp |= 0xF << (i << 2);
} else if(val) {
int left_cbp = 0, top_cbp = 0, filter = 0;
if(apply_loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){
filter = 1;
if(i & 4){
left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);
top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);
}else{
left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));
top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));
}
if(left_cbp & 0xC)
v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
if(top_cbp & 0xA)
v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
}
pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY), filter, left_cbp, top_cbp);
block_cbp |= pat << (i << 2);
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
}
}
}
else
{
s->mb_intra = 0;
for(i = 0; i < 6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;
s->current_picture.qscale_table[mb_pos] = 0;
vc1_pred_mv(s, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0]);
vc1_mc_1mv(v, 0);
return 0;
}
}
else
{
if (!skipped )
{
int intra_count = 0, coded_inter = 0;
int is_intra[6], is_coded[6];
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
for (i=0; i<6; i++)
{
val = ((cbp >> (5 - i)) & 1);
s->dc_val[0][s->block_index[i]] = 0;
s->mb_intra = 0;
if(i < 4) {
dmv_x = dmv_y = 0;
s->mb_intra = 0;
mb_has_coeffs = 0;
if(val) {
GET_MVDATA(dmv_x, dmv_y);
}
vc1_pred_mv(s, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0]);
if(!s->mb_intra) vc1_mc_4mv_luma(v, i);
intra_count += s->mb_intra;
is_intra[i] = s->mb_intra;
is_coded[i] = mb_has_coeffs;
}
if(i&4){
is_intra[i] = (intra_count >= 3);
is_coded[i] = val;
}
if(i == 4) vc1_mc_4mv_chroma(v);
v->mb_type[0][s->block_index[i]] = is_intra[i];
if(!coded_inter) coded_inter = !is_intra[i] & is_coded[i];
}
if(!intra_count && !coded_inter) return 0;
dst_idx = 0;
GET_MQUANT();
s->current_picture.qscale_table[mb_pos] = mquant;
{
int intrapred = 0;
for(i=0; i<6; i++)
if(is_intra[i]) {
if(((!s->first_slice_line || (i==2 || i==3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]])
|| ((s->mb_x || (i==1 || i==3)) && v->mb_type[0][s->block_index[i] - 1])) {
intrapred = 1;
break;
}
}
if(intrapred)s->ac_pred = get_bits1(gb);
else s->ac_pred = 0;
}
if (!v->ttmbf && coded_inter)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
for (i=0; i<6; i++)
{
dst_idx += i >> 2;
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
s->mb_intra = is_intra[i];
if (is_intra[i]) {
v->a_avail = v->c_avail = 0;
if(i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if(i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, (i&4)?v->codingset2:v->codingset);
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
if(v->a_avail)
v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
}
if(v->s.loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){
int left_cbp, top_cbp;
if(i & 4){
left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);
top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);
}else{
left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));
top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));
}
if(left_cbp & 0xC)
v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
if(top_cbp & 0xA)
v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
}
block_cbp |= 0xF << (i << 2);
} else if(is_coded[i]) {
int left_cbp = 0, top_cbp = 0, filter = 0;
if(v->s.loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){
filter = 1;
if(i & 4){
left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);
top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);
}else{
left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));
top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));
}
if(left_cbp & 0xC)
v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
if(top_cbp & 0xA)
v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);
}
pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY), filter, left_cbp, top_cbp);
block_cbp |= pat << (i << 2);
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
}
}
return 0;
}
else
{
s->mb_intra = 0;
s->current_picture.qscale_table[mb_pos] = 0;
for (i=0; i<6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
for (i=0; i<4; i++)
{
vc1_pred_mv(s, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0]);
vc1_mc_4mv_luma(v, i);
}
vc1_mc_4mv_chroma(v);
s->current_picture.qscale_table[mb_pos] = 0;
return 0;
}
}
v->cbp[s->mb_x] = block_cbp;
return -1;
} | ['static int vc1_decode_p_mb(VC1Context *v)\n{\n MpegEncContext *s = &v->s;\n GetBitContext *gb = &s->gb;\n int i, j;\n int mb_pos = s->mb_x + s->mb_y * s->mb_stride;\n int cbp;\n int mqdiff, mquant;\n int ttmb = v->ttfrm;\n int mb_has_coeffs = 1;\n int dmv_x, dmv_y;\n int index, index1;\n int val, sign;\n int first_block = 1;\n int dst_idx, off;\n int skipped, fourmv;\n int block_cbp = 0, pat;\n int apply_loop_filter;\n mquant = v->pq;\n if (v->mv_type_is_raw)\n fourmv = get_bits1(gb);\n else\n fourmv = v->mv_type_mb_plane[mb_pos];\n if (v->skip_is_raw)\n skipped = get_bits1(gb);\n else\n skipped = v->s.mbskip_table[mb_pos];\n apply_loop_filter = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY);\n if (!fourmv)\n {\n if (!skipped)\n {\n GET_MVDATA(dmv_x, dmv_y);\n if (s->mb_intra) {\n s->current_picture.motion_val[1][s->block_index[0]][0] = 0;\n s->current_picture.motion_val[1][s->block_index[0]][1] = 0;\n }\n s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16;\n vc1_pred_mv(s, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0]);\n if (s->mb_intra && !mb_has_coeffs)\n {\n GET_MQUANT();\n s->ac_pred = get_bits1(gb);\n cbp = 0;\n }\n else if (mb_has_coeffs)\n {\n if (s->mb_intra) s->ac_pred = get_bits1(gb);\n cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);\n GET_MQUANT();\n }\n else\n {\n mquant = v->pq;\n cbp = 0;\n }\n s->current_picture.qscale_table[mb_pos] = mquant;\n if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)\n ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,\n VC1_TTMB_VLC_BITS, 2);\n if(!s->mb_intra) vc1_mc_1mv(v, 0);\n dst_idx = 0;\n for (i=0; i<6; i++)\n {\n s->dc_val[0][s->block_index[i]] = 0;\n dst_idx += i >> 2;\n val = ((cbp >> (5 - i)) & 1);\n off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);\n v->mb_type[0][s->block_index[i]] = s->mb_intra;\n if(s->mb_intra) {\n v->a_avail = v->c_avail = 0;\n if(i == 2 || i == 3 || !s->first_slice_line)\n v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];\n if(i == 1 || i == 3 || s->mb_x)\n v->c_avail = v->mb_type[0][s->block_index[i] - 1];\n vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);\n if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;\n v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);\n if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;\n s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);\n if(v->pq >= 9 && v->overlap) {\n if(v->c_avail)\n v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);\n if(v->a_avail)\n v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);\n }\n if(apply_loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){\n int left_cbp, top_cbp;\n if(i & 4){\n left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);\n top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);\n }else{\n left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));\n top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));\n }\n if(left_cbp & 0xC)\n v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n if(top_cbp & 0xA)\n v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n }\n block_cbp |= 0xF << (i << 2);\n } else if(val) {\n int left_cbp = 0, top_cbp = 0, filter = 0;\n if(apply_loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){\n filter = 1;\n if(i & 4){\n left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);\n top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);\n }else{\n left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));\n top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));\n }\n if(left_cbp & 0xC)\n v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n if(top_cbp & 0xA)\n v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n }\n pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY), filter, left_cbp, top_cbp);\n block_cbp |= pat << (i << 2);\n if(!v->ttmbf && ttmb < 8) ttmb = -1;\n first_block = 0;\n }\n }\n }\n else\n {\n s->mb_intra = 0;\n for(i = 0; i < 6; i++) {\n v->mb_type[0][s->block_index[i]] = 0;\n s->dc_val[0][s->block_index[i]] = 0;\n }\n s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;\n s->current_picture.qscale_table[mb_pos] = 0;\n vc1_pred_mv(s, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0]);\n vc1_mc_1mv(v, 0);\n return 0;\n }\n }\n else\n {\n if (!skipped )\n {\n int intra_count = 0, coded_inter = 0;\n int is_intra[6], is_coded[6];\n cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);\n for (i=0; i<6; i++)\n {\n val = ((cbp >> (5 - i)) & 1);\n s->dc_val[0][s->block_index[i]] = 0;\n s->mb_intra = 0;\n if(i < 4) {\n dmv_x = dmv_y = 0;\n s->mb_intra = 0;\n mb_has_coeffs = 0;\n if(val) {\n GET_MVDATA(dmv_x, dmv_y);\n }\n vc1_pred_mv(s, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0]);\n if(!s->mb_intra) vc1_mc_4mv_luma(v, i);\n intra_count += s->mb_intra;\n is_intra[i] = s->mb_intra;\n is_coded[i] = mb_has_coeffs;\n }\n if(i&4){\n is_intra[i] = (intra_count >= 3);\n is_coded[i] = val;\n }\n if(i == 4) vc1_mc_4mv_chroma(v);\n v->mb_type[0][s->block_index[i]] = is_intra[i];\n if(!coded_inter) coded_inter = !is_intra[i] & is_coded[i];\n }\n if(!intra_count && !coded_inter) return 0;\n dst_idx = 0;\n GET_MQUANT();\n s->current_picture.qscale_table[mb_pos] = mquant;\n {\n int intrapred = 0;\n for(i=0; i<6; i++)\n if(is_intra[i]) {\n if(((!s->first_slice_line || (i==2 || i==3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]])\n || ((s->mb_x || (i==1 || i==3)) && v->mb_type[0][s->block_index[i] - 1])) {\n intrapred = 1;\n break;\n }\n }\n if(intrapred)s->ac_pred = get_bits1(gb);\n else s->ac_pred = 0;\n }\n if (!v->ttmbf && coded_inter)\n ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);\n for (i=0; i<6; i++)\n {\n dst_idx += i >> 2;\n off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);\n s->mb_intra = is_intra[i];\n if (is_intra[i]) {\n v->a_avail = v->c_avail = 0;\n if(i == 2 || i == 3 || !s->first_slice_line)\n v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];\n if(i == 1 || i == 3 || s->mb_x)\n v->c_avail = v->mb_type[0][s->block_index[i] - 1];\n vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, (i&4)?v->codingset2:v->codingset);\n if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;\n v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);\n if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;\n s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);\n if(v->pq >= 9 && v->overlap) {\n if(v->c_avail)\n v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);\n if(v->a_avail)\n v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);\n }\n if(v->s.loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){\n int left_cbp, top_cbp;\n if(i & 4){\n left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);\n top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);\n }else{\n left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));\n top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));\n }\n if(left_cbp & 0xC)\n v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n if(top_cbp & 0xA)\n v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n }\n block_cbp |= 0xF << (i << 2);\n } else if(is_coded[i]) {\n int left_cbp = 0, top_cbp = 0, filter = 0;\n if(v->s.loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){\n filter = 1;\n if(i & 4){\n left_cbp = v->cbp[s->mb_x - 1] >> (i * 4);\n top_cbp = v->cbp[s->mb_x - s->mb_stride] >> (i * 4);\n }else{\n left_cbp = (i & 1) ? (cbp >> ((i-1)*4)) : (v->cbp[s->mb_x - 1] >> ((i+1)*4));\n top_cbp = (i & 2) ? (cbp >> ((i-2)*4)) : (v->cbp[s->mb_x - s->mb_stride] >> ((i+2)*4));\n }\n if(left_cbp & 0xC)\n v->vc1dsp.vc1_v_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n if(top_cbp & 0xA)\n v->vc1dsp.vc1_h_loop_filter8(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize, v->pq);\n }\n pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY), filter, left_cbp, top_cbp);\n block_cbp |= pat << (i << 2);\n if(!v->ttmbf && ttmb < 8) ttmb = -1;\n first_block = 0;\n }\n }\n return 0;\n }\n else\n {\n s->mb_intra = 0;\n s->current_picture.qscale_table[mb_pos] = 0;\n for (i=0; i<6; i++) {\n v->mb_type[0][s->block_index[i]] = 0;\n s->dc_val[0][s->block_index[i]] = 0;\n }\n for (i=0; i<4; i++)\n {\n vc1_pred_mv(s, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0]);\n vc1_mc_4mv_luma(v, i);\n }\n vc1_mc_4mv_chroma(v);\n s->current_picture.qscale_table[mb_pos] = 0;\n return 0;\n }\n }\n v->cbp[s->mb_x] = block_cbp;\n return -1;\n}', 'static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset)\n{\n GetBitContext *gb = &v->s.gb;\n MpegEncContext *s = &v->s;\n int dc_pred_dir = 0;\n int i;\n int16_t *dc_val;\n int16_t *ac_val, *ac_val2;\n int dcdiff;\n int mb_pos = s->mb_x + s->mb_y * s->mb_stride;\n int a_avail = v->a_avail, c_avail = v->c_avail;\n int use_pred = s->ac_pred;\n int scale;\n int q1, q2 = 0;\n s->dsp.clear_block(block);\n mquant = (mquant < 1) ? 0 : ( (mquant>31) ? 31 : mquant );\n s->y_dc_scale = s->y_dc_scale_table[mquant];\n s->c_dc_scale = s->c_dc_scale_table[mquant];\n if (n < 4) {\n dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);\n } else {\n dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);\n }\n if (dcdiff < 0){\n av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\\n");\n return -1;\n }\n if (dcdiff)\n {\n if (dcdiff == 119 )\n {\n if (mquant == 1) dcdiff = get_bits(gb, 10);\n else if (mquant == 2) dcdiff = get_bits(gb, 9);\n else dcdiff = get_bits(gb, 8);\n }\n else\n {\n if (mquant == 1)\n dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;\n else if (mquant == 2)\n dcdiff = (dcdiff<<1) + get_bits1(gb) - 1;\n }\n if (get_bits1(gb))\n dcdiff = -dcdiff;\n }\n dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, a_avail, c_avail, &dc_val, &dc_pred_dir);\n *dc_val = dcdiff;\n if (n < 4) {\n block[0] = dcdiff * s->y_dc_scale;\n } else {\n block[0] = dcdiff * s->c_dc_scale;\n }\n i = 1;\n if(!a_avail) dc_pred_dir = 1;\n if(!c_avail) dc_pred_dir = 0;\n if(!a_avail && !c_avail) use_pred = 0;\n ac_val = s->ac_val[0][0] + s->block_index[n] * 16;\n ac_val2 = ac_val;\n scale = mquant * 2 + v->halfpq;\n if(dc_pred_dir)\n ac_val -= 16;\n else\n ac_val -= 16 * s->block_wrap[n];\n q1 = s->current_picture.qscale_table[mb_pos];\n if(dc_pred_dir && c_avail && mb_pos) q2 = s->current_picture.qscale_table[mb_pos - 1];\n if(!dc_pred_dir && a_avail && mb_pos >= s->mb_stride) q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride];\n if(dc_pred_dir && n==1) q2 = q1;\n if(!dc_pred_dir && n==2) q2 = q1;\n if(n==3) q2 = q1;\n if(coded) {\n int last = 0, skip, value;\n int k;\n while (!last) {\n vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);\n i += skip;\n if(i > 63)\n break;\n block[v->zz_8x8[0][i++]] = value;\n }\n if(use_pred) {\n if(q2 && q1!=q2) {\n q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;\n q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;\n if(dc_pred_dir) {\n for(k = 1; k < 8; k++)\n block[k] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;\n } else {\n for(k = 1; k < 8; k++)\n block[k << 3] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;\n }\n } else {\n if(dc_pred_dir) {\n for(k = 1; k < 8; k++)\n block[k] += ac_val[k];\n } else {\n for(k = 1; k < 8; k++)\n block[k << 3] += ac_val[k + 8];\n }\n }\n }\n for(k = 1; k < 8; k++) {\n ac_val2[k] = block[k];\n ac_val2[k + 8] = block[k << 3];\n }\n for(k = 1; k < 64; k++)\n if(block[k]) {\n block[k] *= scale;\n if(!v->pquantizer)\n block[k] += (block[k] < 0) ? -mquant : mquant;\n }\n if(use_pred) i = 63;\n } else {\n int k;\n memset(ac_val2, 0, 16 * 2);\n if(dc_pred_dir) {\n if(use_pred) {\n memcpy(ac_val2, ac_val, 8 * 2);\n if(q2 && q1!=q2) {\n q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;\n q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;\n for(k = 1; k < 8; k++)\n ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;\n }\n }\n } else {\n if(use_pred) {\n memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);\n if(q2 && q1!=q2) {\n q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;\n q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;\n for(k = 1; k < 8; k++)\n ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;\n }\n }\n }\n if(use_pred) {\n if(dc_pred_dir) {\n for(k = 1; k < 8; k++) {\n block[k] = ac_val2[k] * scale;\n if(!v->pquantizer && block[k])\n block[k] += (block[k] < 0) ? -mquant : mquant;\n }\n } else {\n for(k = 1; k < 8; k++) {\n block[k << 3] = ac_val2[k + 8] * scale;\n if(!v->pquantizer && block[k << 3])\n block[k << 3] += (block[k << 3] < 0) ? -mquant : mquant;\n }\n }\n i = 63;\n }\n }\n s->block_last_index[n] = i;\n return 0;\n}'] |
21,425 | 0 | https://github.com/openssl/openssl/blob/e3713c365c2657236439fea00822a43aa396d112/engines/e_ossltest.c/#L629 | int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
unsigned char *tmpbuf = OPENSSL_malloc(inl);
if (tmpbuf == NULL && inl > 0)
return -1;
memcpy(tmpbuf, in, inl);
EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);
memcpy(out, tmpbuf, inl);
OPENSSL_free(tmpbuf);
return inl;
} | ['int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,\n const unsigned char *in, size_t inl)\n{\n unsigned char *tmpbuf = OPENSSL_malloc(inl);\n if (tmpbuf == NULL && inl > 0)\n return -1;\n memcpy(tmpbuf, in, inl);\n EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);\n memcpy(out, tmpbuf, inl);\n OPENSSL_free(tmpbuf);\n return inl;\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}'] |
21,426 | 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 RSA_check_key_ex(const RSA *key, BN_GENCB *cb)\n{\n BIGNUM *i, *j, *k, *l, *m;\n BN_CTX *ctx;\n int ret = 1;\n if (key->p == NULL || key->q == NULL || key->n == NULL\n || key->e == NULL || key->d == NULL) {\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_VALUE_MISSING);\n return 0;\n }\n i = BN_new();\n j = BN_new();\n k = BN_new();\n l = BN_new();\n m = BN_new();\n ctx = BN_CTX_new();\n if (i == NULL || j == NULL || k == NULL || l == NULL\n || m == NULL || ctx == NULL) {\n ret = -1;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (BN_is_one(key->e)) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_BAD_E_VALUE);\n }\n if (!BN_is_odd(key->e)) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_BAD_E_VALUE);\n }\n if (BN_is_prime_ex(key->p, BN_prime_checks, NULL, cb) != 1) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_P_NOT_PRIME);\n }\n if (BN_is_prime_ex(key->q, BN_prime_checks, NULL, cb) != 1) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_Q_NOT_PRIME);\n }\n if (!BN_mul(i, key->p, key->q, ctx)) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(i, key->n) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_N_DOES_NOT_EQUAL_P_Q);\n }\n if (!BN_sub(i, key->p, BN_value_one())) {\n ret = -1;\n goto err;\n }\n if (!BN_sub(j, key->q, BN_value_one())) {\n ret = -1;\n goto err;\n }\n if (!BN_mul(l, i, j, ctx)) {\n ret = -1;\n goto err;\n }\n if (!BN_gcd(m, i, j, ctx)) {\n ret = -1;\n goto err;\n }\n if (!BN_div(k, NULL, l, m, ctx)) {\n ret = -1;\n goto err;\n }\n if (!BN_mod_mul(i, key->d, key->e, k, ctx)) {\n ret = -1;\n goto err;\n }\n if (!BN_is_one(i)) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_D_E_NOT_CONGRUENT_TO_1);\n }\n if (key->dmp1 != NULL && key->dmq1 != NULL && key->iqmp != NULL) {\n if (!BN_sub(i, key->p, BN_value_one())) {\n ret = -1;\n goto err;\n }\n if (!BN_mod(j, key->d, i, ctx)) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(j, key->dmp1) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_DMP1_NOT_CONGRUENT_TO_D);\n }\n if (!BN_sub(i, key->q, BN_value_one())) {\n ret = -1;\n goto err;\n }\n if (!BN_mod(j, key->d, i, ctx)) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(j, key->dmq1) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_DMQ1_NOT_CONGRUENT_TO_D);\n }\n if (!BN_mod_inverse(i, key->q, key->p, ctx)) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(i, key->iqmp) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_IQMP_NOT_INVERSE_OF_Q);\n }\n }\n err:\n BN_free(i);\n BN_free(j);\n BN_free(k);\n BN_free(l);\n BN_free(m);\n BN_CTX_free(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#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}', '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_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}'] |
21,427 | 0 | https://github.com/openssl/openssl/blob/ed371b8cbac0d0349667558c061c1ae380cf75eb/crypto/bn/bn_lib.c/#L232 | 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 BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n if (!BN_sub(r, a, b))\n return 0;\n return BN_nnmod(r, r, m, ctx);\n}', 'int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int ret, r_neg, cmp_res;\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg != b->neg) {\n r_neg = a->neg;\n ret = BN_uadd(r, a, b);\n } else {\n cmp_res = BN_ucmp(a, b);\n if (cmp_res > 0) {\n r_neg = a->neg;\n ret = BN_usub(r, a, b);\n } else if (cmp_res < 0) {\n r_neg = !b->neg;\n ret = BN_usub(r, b, a);\n } else {\n r_neg = 0;\n BN_zero(r);\n ret = 1;\n }\n }\n r->neg = r_neg;\n bn_check_top(r);\n return ret;\n}', 'int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n BN_ULONG t1, t2, borrow, *rp;\n const BN_ULONG *ap, *bp;\n bn_check_top(a);\n bn_check_top(b);\n max = a->top;\n min = b->top;\n dif = max - min;\n if (dif < 0) {\n BNerr(BN_F_BN_USUB, BN_R_ARG2_LT_ARG3);\n return 0;\n }\n if (bn_wexpand(r, max) == NULL)\n return 0;\n ap = a->d;\n bp = b->d;\n rp = r->d;\n borrow = bn_sub_words(rp, ap, bp, min);\n ap += min;\n rp += min;\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 - borrow) & BN_MASK2;\n *(rp++) = t2;\n borrow &= (t1 == 0);\n }\n while (max && *--rp == 0)\n max--;\n r->top = max;\n r->neg = 0;\n bn_pollute(r);\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 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_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}', 'int bn_rshift_fixed_top(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, top, nw;\n unsigned int lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, m, mask;\n bn_check_top(r);\n bn_check_top(a);\n assert(n >= 0);\n nw = n / BN_BITS2;\n if (nw >= a->top) {\n BN_zero(r);\n return 1;\n }\n rb = (unsigned int)n % BN_BITS2;\n lb = BN_BITS2 - rb;\n lb %= BN_BITS2;\n mask = (BN_ULONG)0 - lb;\n mask |= mask >> 8;\n top = a->top - nw;\n if (r != a && bn_wexpand(r, top) == NULL)\n return 0;\n t = &(r->d[0]);\n f = &(a->d[nw]);\n l = f[0];\n for (i = 0; i < top - 1; i++) {\n m = f[i + 1];\n t[i] = (l >> rb) | ((m << lb) & mask);\n l = m;\n }\n t[i] = l >> rb;\n r->neg = a->neg;\n r->top = top;\n r->flags |= BN_FLG_FIXED_TOP;\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 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}', '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}'] |
21,428 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['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_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}', '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_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 || !tmp)\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 (rr != r)\n BN_copy(r, rr);\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_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}'] |
21,429 | 0 | https://github.com/openssl/openssl/blob/cdf516d988807671bfda18bad135b26c3fac8888/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);
} | ['MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt)\n{\n int al = -1;\n long alg_k;\n EVP_PKEY *pkey = NULL;\n EVP_MD_CTX *md_ctx = NULL;\n EVP_PKEY_CTX *pctx = NULL;\n PACKET save_param_start, signature;\n alg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n save_param_start = *pkt;\n#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)\n EVP_PKEY_free(s->s3->peer_tmp);\n s->s3->peer_tmp = NULL;\n#endif\n if (alg_k & SSL_PSK) {\n if (!tls_process_ske_psk_preamble(s, pkt, &al))\n goto err;\n }\n if (alg_k & (SSL_kPSK | SSL_kRSAPSK)) {\n } else if (alg_k & SSL_kSRP) {\n if (!tls_process_ske_srp(s, pkt, &pkey, &al))\n goto err;\n } else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {\n if (!tls_process_ske_dhe(s, pkt, &pkey, &al))\n goto err;\n } else if (alg_k & (SSL_kECDHE | SSL_kECDHEPSK)) {\n if (!tls_process_ske_ecdhe(s, pkt, &pkey, &al))\n goto err;\n } else if (alg_k) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_UNEXPECTED_MESSAGE);\n goto err;\n }\n if (pkey != NULL) {\n PACKET params;\n int maxsig;\n const EVP_MD *md = NULL;\n if (!PACKET_get_sub_packet(&save_param_start, ¶ms,\n PACKET_remaining(&save_param_start) -\n PACKET_remaining(pkt))) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (SSL_USE_SIGALGS(s)) {\n unsigned int sigalg;\n int rv;\n if (!PACKET_get_net_2(pkt, &sigalg)) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_LENGTH_TOO_SHORT);\n goto err;\n }\n rv = tls12_check_peer_sigalg(s, sigalg, pkey);\n if (rv == -1) {\n al = SSL_AD_INTERNAL_ERROR;\n goto err;\n } else if (rv == 0) {\n al = SSL_AD_DECODE_ERROR;\n goto err;\n }\n md = s->s3->tmp.peer_md;\n#ifdef SSL_DEBUG\n fprintf(stderr, "USING TLSv1.2 HASH %s\\n", EVP_MD_name(md));\n#endif\n } else if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) {\n md = EVP_md5_sha1();\n } else {\n md = EVP_sha1();\n }\n if (!PACKET_get_length_prefixed_2(pkt, &signature)\n || PACKET_remaining(pkt) != 0) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_LENGTH_MISMATCH);\n goto err;\n }\n maxsig = EVP_PKEY_size(pkey);\n if (maxsig < 0) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (PACKET_remaining(&signature) > (size_t)maxsig) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE,\n SSL_R_WRONG_SIGNATURE_LENGTH);\n goto err;\n }\n md_ctx = EVP_MD_CTX_new();\n if (md_ctx == NULL) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (EVP_DigestVerifyInit(md_ctx, &pctx, md, NULL, pkey) <= 0) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_EVP_LIB);\n goto err;\n }\n if (SSL_USE_PSS(s)) {\n if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0\n || EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx,\n RSA_PSS_SALTLEN_DIGEST) <= 0) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_EVP_LIB);\n goto err;\n }\n }\n if (EVP_DigestVerifyUpdate(md_ctx, &(s->s3->client_random[0]),\n SSL3_RANDOM_SIZE) <= 0\n || EVP_DigestVerifyUpdate(md_ctx, &(s->s3->server_random[0]),\n SSL3_RANDOM_SIZE) <= 0\n || EVP_DigestVerifyUpdate(md_ctx, PACKET_data(¶ms),\n PACKET_remaining(¶ms)) <= 0) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_EVP_LIB);\n goto err;\n }\n if (EVP_DigestVerifyFinal(md_ctx, PACKET_data(&signature),\n PACKET_remaining(&signature)) <= 0) {\n al = SSL_AD_DECRYPT_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_BAD_SIGNATURE);\n goto err;\n }\n EVP_MD_CTX_free(md_ctx);\n md_ctx = NULL;\n } else {\n if (!(s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP))\n && !(alg_k & SSL_PSK)) {\n if (ssl3_check_cert_and_algorithm(s)) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);\n } else {\n al = SSL_AD_DECODE_ERROR;\n }\n goto err;\n }\n if (PACKET_remaining(pkt) != 0) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_EXTRA_DATA_IN_MESSAGE);\n goto err;\n }\n }\n return MSG_PROCESS_CONTINUE_READING;\n err:\n if (al != -1)\n ssl3_send_alert(s, SSL3_AL_FATAL, al);\n ossl_statem_set_error(s);\n EVP_MD_CTX_free(md_ctx);\n return MSG_PROCESS_ERROR;\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 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}'] |
21,430 | 0 | https://github.com/openssl/openssl/blob/ef2499298b26fa84594c8e85fd645bc75179cfdd/crypto/asn1/ameth_lib.c/#L302 | EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
const char *pem_str, const char *info)
{
EVP_PKEY_ASN1_METHOD *ameth = OPENSSL_zalloc(sizeof(*ameth));
if (ameth == NULL)
return NULL;
ameth->pkey_id = id;
ameth->pkey_base_id = id;
ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
if (info) {
ameth->info = OPENSSL_strdup(info);
if (!ameth->info)
goto err;
}
if (pem_str) {
ameth->pem_str = OPENSSL_strdup(pem_str);
if (!ameth->pem_str)
goto err;
}
return ameth;
err:
EVP_PKEY_asn1_free(ameth);
return NULL;
} | ['EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,\n const char *pem_str, const char *info)\n{\n EVP_PKEY_ASN1_METHOD *ameth = OPENSSL_zalloc(sizeof(*ameth));\n if (ameth == NULL)\n return NULL;\n ameth->pkey_id = id;\n ameth->pkey_base_id = id;\n ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;\n if (info) {\n ameth->info = OPENSSL_strdup(info);\n if (!ameth->info)\n goto err;\n }\n if (pem_str) {\n ameth->pem_str = OPENSSL_strdup(pem_str);\n if (!ameth->pem_str)\n goto err;\n }\n return ameth;\n err:\n EVP_PKEY_asn1_free(ameth);\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}', 'char *CRYPTO_strdup(const char *str, const char* file, int line)\n{\n char *ret;\n size_t size;\n if (str == NULL)\n return NULL;\n size = strlen(str) + 1;\n ret = CRYPTO_malloc(size, file, line);\n if (ret != NULL)\n memcpy(ret, str, size);\n return ret;\n}', 'void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)\n{\n if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {\n OPENSSL_free(ameth->pem_str);\n OPENSSL_free(ameth->info);\n OPENSSL_free(ameth);\n }\n}'] |
21,431 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_mul.c/#L1072 | void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)
{
BN_ULONG *rr;
if (na < nb) {
int itmp;
BN_ULONG *ltmp;
itmp = na;
na = nb;
nb = itmp;
ltmp = a;
a = b;
b = ltmp;
}
rr = &(r[na]);
if (nb <= 0) {
(void)bn_mul_words(r, a, na, 0);
return;
} else
rr[0] = bn_mul_words(r, a, na, b[0]);
for (;;) {
if (--nb <= 0)
return;
rr[1] = bn_mul_add_words(&(r[1]), a, na, b[1]);
if (--nb <= 0)
return;
rr[2] = bn_mul_add_words(&(r[2]), a, na, b[2]);
if (--nb <= 0)
return;
rr[3] = bn_mul_add_words(&(r[3]), a, na, b[3]);
if (--nb <= 0)
return;
rr[4] = bn_mul_add_words(&(r[4]), a, na, b[4]);
rr += 4;
r += 4;
b += 4;
}
} | ['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_GFp(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}', '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}', 'void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)\n{\n BN_ULONG *rr;\n if (na < nb) {\n int itmp;\n BN_ULONG *ltmp;\n itmp = na;\n na = nb;\n nb = itmp;\n ltmp = a;\n a = b;\n b = ltmp;\n }\n rr = &(r[na]);\n if (nb <= 0) {\n (void)bn_mul_words(r, a, na, 0);\n return;\n } else\n rr[0] = bn_mul_words(r, a, na, b[0]);\n for (;;) {\n if (--nb <= 0)\n return;\n rr[1] = bn_mul_add_words(&(r[1]), a, na, b[1]);\n if (--nb <= 0)\n return;\n rr[2] = bn_mul_add_words(&(r[2]), a, na, b[2]);\n if (--nb <= 0)\n return;\n rr[3] = bn_mul_add_words(&(r[3]), a, na, b[3]);\n if (--nb <= 0)\n return;\n rr[4] = bn_mul_add_words(&(r[4]), a, na, b[4]);\n rr += 4;\n r += 4;\n b += 4;\n }\n}'] |
21,432 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_lib.c/#L232 | 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;
} | ['static BIGNUM *rsa_get_public_exp(const BIGNUM *d, const BIGNUM *p,\n const BIGNUM *q, BN_CTX *ctx)\n{\n BIGNUM *ret = NULL, *r0, *r1, *r2;\n if (d == NULL || p == NULL || q == NULL)\n return NULL;\n BN_CTX_start(ctx);\n r0 = BN_CTX_get(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n if (r2 == NULL)\n goto err;\n if (!BN_sub(r1, p, BN_value_one()))\n goto err;\n if (!BN_sub(r2, q, BN_value_one()))\n goto err;\n if (!BN_mul(r0, r1, r2, ctx))\n goto err;\n ret = BN_mod_inverse(NULL, d, r0, ctx);\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 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}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = bn_mul_fixed_top(r, a, b, ctx);\n bn_correct_top(r);\n bn_check_top(r);\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}', '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}'] |
21,433 | 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)];
} | ['static int dsa_sign_setup(DSA *dsa, 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, *kinv = NULL, *r = *rp;\n BIGNUM *l;\n int ret = 0;\n int q_bits, q_words;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_MISSING_PARAMETERS);\n return 0;\n }\n k = BN_new();\n l = BN_new();\n if (k == NULL || l == NULL)\n goto err;\n if (ctx_in == NULL) {\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n } else\n ctx = ctx_in;\n q_bits = BN_num_bits(dsa->q);\n q_words = bn_get_top(dsa->q);\n if (!bn_wexpand(k, q_words + 2)\n || !bn_wexpand(l, q_words + 2))\n goto err;\n do {\n if (dgst != NULL) {\n if (!BN_generate_dsa_nonce(k, dsa->q, dsa->priv_key, dgst,\n dlen, ctx))\n goto err;\n } else if (!BN_priv_rand_range(k, dsa->q))\n goto err;\n } while (BN_is_zero(k));\n BN_set_flags(k, BN_FLG_CONSTTIME);\n BN_set_flags(l, BN_FLG_CONSTTIME);\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n dsa->lock, dsa->p, ctx))\n goto err;\n }\n if (!BN_add(l, k, dsa->q)\n || !BN_add(k, l, dsa->q))\n goto err;\n BN_consttime_swap(BN_is_bit_set(l, q_bits), k, l, q_words + 2);\n if ((dsa)->meth->bn_mod_exp != NULL) {\n if (!dsa->meth->bn_mod_exp(dsa, r, dsa->g, k, dsa->p, ctx,\n dsa->method_mont_p))\n goto err;\n } else {\n if (!BN_mod_exp_mont(r, dsa->g, k, dsa->p, ctx, dsa->method_mont_p))\n goto err;\n }\n if (!BN_mod(r, r, dsa->q, ctx))\n goto err;\n if ((kinv = dsa_mod_inverse_fermat(k, dsa->q, ctx)) == NULL)\n goto err;\n BN_clear_free(*kinvp);\n *kinvp = kinv;\n kinv = NULL;\n ret = 1;\n err:\n if (!ret)\n DSAerr(DSA_F_DSA_SIGN_SETUP, ERR_R_BN_LIB);\n if (ctx != ctx_in)\n BN_CTX_free(ctx);\n BN_clear_free(k);\n BN_clear_free(l);\n return ret;\n}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, CRYPTO_RWLOCK *lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_THREAD_read_lock(lock);\n ret = *pmont;\n CRYPTO_THREAD_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_THREAD_write_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_THREAD_unlock(lock);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int i, 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 if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\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_is_one(&tmod))\n BN_zero(Ri);\n else 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_is_one(&tmod))\n BN_zero(Ri);\n else 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 for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)\n mont->RR.d[i] = 0;\n mont->RR.top = ret;\n mont->RR.flags |= BN_FLG_FIXED_TOP;\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}', '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}', '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_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}', '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}'] |
21,434 | 0 | https://github.com/libav/libav/blob/8a49d2bcbe7573bb4b765728b2578fac0d19763f/libavcodec/h264_mvpred.h/#L664 | static void fill_decode_caches(H264Context *h, int mb_type)
{
int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];
int topleft_type, top_type, topright_type, left_type[LEFT_MBS];
const uint8_t *left_block = h->left_block;
int i;
uint8_t *nnz;
uint8_t *nnz_cache;
topleft_xy = h->topleft_mb_xy;
top_xy = h->top_mb_xy;
topright_xy = h->topright_mb_xy;
left_xy[LTOP] = h->left_mb_xy[LTOP];
left_xy[LBOT] = h->left_mb_xy[LBOT];
topleft_type = h->topleft_type;
top_type = h->top_type;
topright_type = h->topright_type;
left_type[LTOP] = h->left_type[LTOP];
left_type[LBOT] = h->left_type[LBOT];
if (!IS_SKIP(mb_type)) {
if (IS_INTRA(mb_type)) {
int type_mask = h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
h->topleft_samples_available =
h->top_samples_available =
h->left_samples_available = 0xFFFF;
h->topright_samples_available = 0xEEEA;
if (!(top_type & type_mask)) {
h->topleft_samples_available = 0xB3FF;
h->top_samples_available = 0x33FF;
h->topright_samples_available = 0x26EA;
}
if (IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])) {
if (IS_INTERLACED(mb_type)) {
if (!(left_type[LTOP] & type_mask)) {
h->topleft_samples_available &= 0xDFFF;
h->left_samples_available &= 0x5FFF;
}
if (!(left_type[LBOT] & type_mask)) {
h->topleft_samples_available &= 0xFF5F;
h->left_samples_available &= 0xFF5F;
}
} else {
int left_typei = h->cur_pic.mb_type[left_xy[LTOP] + h->mb_stride];
assert(left_xy[LTOP] == left_xy[LBOT]);
if (!((left_typei & type_mask) && (left_type[LTOP] & type_mask))) {
h->topleft_samples_available &= 0xDF5F;
h->left_samples_available &= 0x5F5F;
}
}
} else {
if (!(left_type[LTOP] & type_mask)) {
h->topleft_samples_available &= 0xDF5F;
h->left_samples_available &= 0x5F5F;
}
}
if (!(topleft_type & type_mask))
h->topleft_samples_available &= 0x7FFF;
if (!(topright_type & type_mask))
h->topright_samples_available &= 0xFBFF;
if (IS_INTRA4x4(mb_type)) {
if (IS_INTRA4x4(top_type)) {
AV_COPY32(h->intra4x4_pred_mode_cache + 4 + 8 * 0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
} else {
h->intra4x4_pred_mode_cache[4 + 8 * 0] =
h->intra4x4_pred_mode_cache[5 + 8 * 0] =
h->intra4x4_pred_mode_cache[6 + 8 * 0] =
h->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);
}
for (i = 0; i < 2; i++) {
if (IS_INTRA4x4(left_type[LEFT(i)])) {
int8_t *mode = h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];
h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];
h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];
} else {
h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =
h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);
}
}
}
}
nnz_cache = h->non_zero_count_cache;
if (top_type) {
nnz = h->non_zero_count[top_xy];
AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[4 * 3]);
if (!h->chroma_y_shift) {
AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 7]);
AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 11]);
} else {
AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 5]);
AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 9]);
}
} else {
uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
AV_WN32A(&nnz_cache[4 + 8 * 0], top_empty);
AV_WN32A(&nnz_cache[4 + 8 * 5], top_empty);
AV_WN32A(&nnz_cache[4 + 8 * 10], top_empty);
}
for (i = 0; i < 2; i++) {
if (left_type[LEFT(i)]) {
nnz = h->non_zero_count[left_xy[LEFT(i)]];
nnz_cache[3 + 8 * 1 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i]];
nnz_cache[3 + 8 * 2 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i]];
if (CHROMA444) {
nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 4 * 4];
nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 4 * 4];
nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 8 * 4];
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 8 * 4];
} else if (CHROMA422) {
nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 4 * 4];
nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 4 * 4];
nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 8 * 4];
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 8 * 4];
} else {
nnz_cache[3 + 8 * 6 + 8 * i] = nnz[left_block[8 + 4 + 2 * i]];
nnz_cache[3 + 8 * 11 + 8 * i] = nnz[left_block[8 + 5 + 2 * i]];
}
} else {
nnz_cache[3 + 8 * 1 + 2 * 8 * i] =
nnz_cache[3 + 8 * 2 + 2 * 8 * i] =
nnz_cache[3 + 8 * 6 + 2 * 8 * i] =
nnz_cache[3 + 8 * 7 + 2 * 8 * i] =
nnz_cache[3 + 8 * 11 + 2 * 8 * i] =
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC && !IS_INTRA(mb_type) ? 0 : 64;
}
}
if (CABAC) {
if (top_type)
h->top_cbp = h->cbp_table[top_xy];
else
h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
if (left_type[LTOP]) {
h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |
((h->cbp_table[left_xy[LTOP]] >> (left_block[0] & (~1))) & 2) |
(((h->cbp_table[left_xy[LBOT]] >> (left_block[2] & (~1))) & 2) << 2);
} else {
h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
}
}
}
if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)) {
int list;
int b_stride = h->b_stride;
for (list = 0; list < h->list_count; list++) {
int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
int8_t *ref = h->cur_pic.ref_index[list];
int16_t(*mv_cache)[2] = &h->mv_cache[list][scan8[0]];
int16_t(*mv)[2] = h->cur_pic.motion_val[list];
if (!USES_LIST(mb_type, list))
continue;
assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
AV_COPY128(mv_cache[0 - 1 * 8], mv[b_xy + 0]);
ref_cache[0 - 1 * 8] =
ref_cache[1 - 1 * 8] = ref[4 * top_xy + 2];
ref_cache[2 - 1 * 8] =
ref_cache[3 - 1 * 8] = ref[4 * top_xy + 3];
} else {
AV_ZERO128(mv_cache[0 - 1 * 8]);
AV_WN32A(&ref_cache[0 - 1 * 8],
((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE) & 0xFF) * 0x01010101u);
}
if (mb_type & (MB_TYPE_16x8 | MB_TYPE_8x8)) {
for (i = 0; i < 2; i++) {
int cache_idx = -1 + i * 2 * 8;
if (USES_LIST(left_type[LEFT(i)], list)) {
const int b_xy = h->mb2b_xy[left_xy[LEFT(i)]] + 3;
const int b8_xy = 4 * left_xy[LEFT(i)] + 1;
AV_COPY32(mv_cache[cache_idx],
mv[b_xy + b_stride * left_block[0 + i * 2]]);
AV_COPY32(mv_cache[cache_idx + 8],
mv[b_xy + b_stride * left_block[1 + i * 2]]);
ref_cache[cache_idx] = ref[b8_xy + (left_block[0 + i * 2] & ~1)];
ref_cache[cache_idx + 8] = ref[b8_xy + (left_block[1 + i * 2] & ~1)];
} else {
AV_ZERO32(mv_cache[cache_idx]);
AV_ZERO32(mv_cache[cache_idx + 8]);
ref_cache[cache_idx] =
ref_cache[cache_idx + 8] = (left_type[LEFT(i)]) ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
}
} else {
if (USES_LIST(left_type[LTOP], list)) {
const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
const int b8_xy = 4 * left_xy[LTOP] + 1;
AV_COPY32(mv_cache[-1], mv[b_xy + b_stride * left_block[0]]);
ref_cache[-1] = ref[b8_xy + (left_block[0] & ~1)];
} else {
AV_ZERO32(mv_cache[-1]);
ref_cache[-1] = left_type[LTOP] ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
}
if (USES_LIST(topright_type, list)) {
const int b_xy = h->mb2b_xy[topright_xy] + 3 * b_stride;
AV_COPY32(mv_cache[4 - 1 * 8], mv[b_xy]);
ref_cache[4 - 1 * 8] = ref[4 * topright_xy + 2];
} else {
AV_ZERO32(mv_cache[4 - 1 * 8]);
ref_cache[4 - 1 * 8] = topright_type ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
if (ref_cache[4 - 1 * 8] < 0) {
if (USES_LIST(topleft_type, list)) {
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride +
(h->topleft_partition & 2 * b_stride);
const int b8_xy = 4 * topleft_xy + 1 + (h->topleft_partition & 2);
AV_COPY32(mv_cache[-1 - 1 * 8], mv[b_xy]);
ref_cache[-1 - 1 * 8] = ref[b8_xy];
} else {
AV_ZERO32(mv_cache[-1 - 1 * 8]);
ref_cache[-1 - 1 * 8] = topleft_type ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
}
if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
continue;
if (!(mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2))) {
uint8_t(*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];
uint8_t(*mvd)[2] = h->mvd_table[list];
ref_cache[2 + 8 * 0] =
ref_cache[2 + 8 * 2] = PART_NOT_AVAILABLE;
AV_ZERO32(mv_cache[2 + 8 * 0]);
AV_ZERO32(mv_cache[2 + 8 * 2]);
if (CABAC) {
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2br_xy[top_xy];
AV_COPY64(mvd_cache[0 - 1 * 8], mvd[b_xy + 0]);
} else {
AV_ZERO64(mvd_cache[0 - 1 * 8]);
}
if (USES_LIST(left_type[LTOP], list)) {
const int b_xy = h->mb2br_xy[left_xy[LTOP]] + 6;
AV_COPY16(mvd_cache[-1 + 0 * 8], mvd[b_xy - left_block[0]]);
AV_COPY16(mvd_cache[-1 + 1 * 8], mvd[b_xy - left_block[1]]);
} else {
AV_ZERO16(mvd_cache[-1 + 0 * 8]);
AV_ZERO16(mvd_cache[-1 + 1 * 8]);
}
if (USES_LIST(left_type[LBOT], list)) {
const int b_xy = h->mb2br_xy[left_xy[LBOT]] + 6;
AV_COPY16(mvd_cache[-1 + 2 * 8], mvd[b_xy - left_block[2]]);
AV_COPY16(mvd_cache[-1 + 3 * 8], mvd[b_xy - left_block[3]]);
} else {
AV_ZERO16(mvd_cache[-1 + 2 * 8]);
AV_ZERO16(mvd_cache[-1 + 3 * 8]);
}
AV_ZERO16(mvd_cache[2 + 8 * 0]);
AV_ZERO16(mvd_cache[2 + 8 * 2]);
if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
uint8_t *direct_cache = &h->direct_cache[scan8[0]];
uint8_t *direct_table = h->direct_table;
fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16 >> 1, 1);
if (IS_DIRECT(top_type)) {
AV_WN32A(&direct_cache[-1 * 8],
0x01010101u * (MB_TYPE_DIRECT2 >> 1));
} else if (IS_8X8(top_type)) {
int b8_xy = 4 * top_xy;
direct_cache[0 - 1 * 8] = direct_table[b8_xy + 2];
direct_cache[2 - 1 * 8] = direct_table[b8_xy + 3];
} else {
AV_WN32A(&direct_cache[-1 * 8],
0x01010101 * (MB_TYPE_16x16 >> 1));
}
if (IS_DIRECT(left_type[LTOP]))
direct_cache[-1 + 0 * 8] = MB_TYPE_DIRECT2 >> 1;
else if (IS_8X8(left_type[LTOP]))
direct_cache[-1 + 0 * 8] = direct_table[4 * left_xy[LTOP] + 1 + (left_block[0] & ~1)];
else
direct_cache[-1 + 0 * 8] = MB_TYPE_16x16 >> 1;
if (IS_DIRECT(left_type[LBOT]))
direct_cache[-1 + 2 * 8] = MB_TYPE_DIRECT2 >> 1;
else if (IS_8X8(left_type[LBOT]))
direct_cache[-1 + 2 * 8] = direct_table[4 * left_xy[LBOT] + 1 + (left_block[2] & ~1)];
else
direct_cache[-1 + 2 * 8] = MB_TYPE_16x16 >> 1;
}
}
}
#define MAP_MVS \
MAP_F2F(scan8[0] - 1 - 1 * 8, topleft_type) \
MAP_F2F(scan8[0] + 0 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 1 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 2 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 3 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 4 - 1 * 8, topright_type) \
MAP_F2F(scan8[0] - 1 + 0 * 8, left_type[LTOP]) \
MAP_F2F(scan8[0] - 1 + 1 * 8, left_type[LTOP]) \
MAP_F2F(scan8[0] - 1 + 2 * 8, left_type[LBOT]) \
MAP_F2F(scan8[0] - 1 + 3 * 8, left_type[LBOT])
if (FRAME_MBAFF) {
if (MB_FIELD) {
#define MAP_F2F(idx, mb_type) \
if (!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \
h->ref_cache[list][idx] <<= 1; \
h->mv_cache[list][idx][1] /= 2; \
h->mvd_cache[list][idx][1] >>= 1; \
}
MAP_MVS
} else {
#undef MAP_F2F
#define MAP_F2F(idx, mb_type) \
if (IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \
h->ref_cache[list][idx] >>= 1; \
h->mv_cache[list][idx][1] <<= 1; \
h->mvd_cache[list][idx][1] <<= 1; \
}
MAP_MVS
#undef MAP_F2F
}
}
}
}
h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
} | ['static void fill_decode_caches(H264Context *h, int mb_type)\n{\n int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];\n int topleft_type, top_type, topright_type, left_type[LEFT_MBS];\n const uint8_t *left_block = h->left_block;\n int i;\n uint8_t *nnz;\n uint8_t *nnz_cache;\n topleft_xy = h->topleft_mb_xy;\n top_xy = h->top_mb_xy;\n topright_xy = h->topright_mb_xy;\n left_xy[LTOP] = h->left_mb_xy[LTOP];\n left_xy[LBOT] = h->left_mb_xy[LBOT];\n topleft_type = h->topleft_type;\n top_type = h->top_type;\n topright_type = h->topright_type;\n left_type[LTOP] = h->left_type[LTOP];\n left_type[LBOT] = h->left_type[LBOT];\n if (!IS_SKIP(mb_type)) {\n if (IS_INTRA(mb_type)) {\n int type_mask = h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;\n h->topleft_samples_available =\n h->top_samples_available =\n h->left_samples_available = 0xFFFF;\n h->topright_samples_available = 0xEEEA;\n if (!(top_type & type_mask)) {\n h->topleft_samples_available = 0xB3FF;\n h->top_samples_available = 0x33FF;\n h->topright_samples_available = 0x26EA;\n }\n if (IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])) {\n if (IS_INTERLACED(mb_type)) {\n if (!(left_type[LTOP] & type_mask)) {\n h->topleft_samples_available &= 0xDFFF;\n h->left_samples_available &= 0x5FFF;\n }\n if (!(left_type[LBOT] & type_mask)) {\n h->topleft_samples_available &= 0xFF5F;\n h->left_samples_available &= 0xFF5F;\n }\n } else {\n int left_typei = h->cur_pic.mb_type[left_xy[LTOP] + h->mb_stride];\n assert(left_xy[LTOP] == left_xy[LBOT]);\n if (!((left_typei & type_mask) && (left_type[LTOP] & type_mask))) {\n h->topleft_samples_available &= 0xDF5F;\n h->left_samples_available &= 0x5F5F;\n }\n }\n } else {\n if (!(left_type[LTOP] & type_mask)) {\n h->topleft_samples_available &= 0xDF5F;\n h->left_samples_available &= 0x5F5F;\n }\n }\n if (!(topleft_type & type_mask))\n h->topleft_samples_available &= 0x7FFF;\n if (!(topright_type & type_mask))\n h->topright_samples_available &= 0xFBFF;\n if (IS_INTRA4x4(mb_type)) {\n if (IS_INTRA4x4(top_type)) {\n AV_COPY32(h->intra4x4_pred_mode_cache + 4 + 8 * 0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);\n } else {\n h->intra4x4_pred_mode_cache[4 + 8 * 0] =\n h->intra4x4_pred_mode_cache[5 + 8 * 0] =\n h->intra4x4_pred_mode_cache[6 + 8 * 0] =\n h->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);\n }\n for (i = 0; i < 2; i++) {\n if (IS_INTRA4x4(left_type[LEFT(i)])) {\n int8_t *mode = h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];\n h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];\n h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];\n } else {\n h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =\n h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);\n }\n }\n }\n }\n nnz_cache = h->non_zero_count_cache;\n if (top_type) {\n nnz = h->non_zero_count[top_xy];\n AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[4 * 3]);\n if (!h->chroma_y_shift) {\n AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 7]);\n AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 11]);\n } else {\n AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 5]);\n AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 9]);\n }\n } else {\n uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;\n AV_WN32A(&nnz_cache[4 + 8 * 0], top_empty);\n AV_WN32A(&nnz_cache[4 + 8 * 5], top_empty);\n AV_WN32A(&nnz_cache[4 + 8 * 10], top_empty);\n }\n for (i = 0; i < 2; i++) {\n if (left_type[LEFT(i)]) {\n nnz = h->non_zero_count[left_xy[LEFT(i)]];\n nnz_cache[3 + 8 * 1 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i]];\n nnz_cache[3 + 8 * 2 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i]];\n if (CHROMA444) {\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 4 * 4];\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 4 * 4];\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 8 * 4];\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 8 * 4];\n } else if (CHROMA422) {\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 4 * 4];\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 4 * 4];\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 8 * 4];\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 8 * 4];\n } else {\n nnz_cache[3 + 8 * 6 + 8 * i] = nnz[left_block[8 + 4 + 2 * i]];\n nnz_cache[3 + 8 * 11 + 8 * i] = nnz[left_block[8 + 5 + 2 * i]];\n }\n } else {\n nnz_cache[3 + 8 * 1 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 2 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC && !IS_INTRA(mb_type) ? 0 : 64;\n }\n }\n if (CABAC) {\n if (top_type)\n h->top_cbp = h->cbp_table[top_xy];\n else\n h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;\n if (left_type[LTOP]) {\n h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |\n ((h->cbp_table[left_xy[LTOP]] >> (left_block[0] & (~1))) & 2) |\n (((h->cbp_table[left_xy[LBOT]] >> (left_block[2] & (~1))) & 2) << 2);\n } else {\n h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;\n }\n }\n }\n if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)) {\n int list;\n int b_stride = h->b_stride;\n for (list = 0; list < h->list_count; list++) {\n int8_t *ref_cache = &h->ref_cache[list][scan8[0]];\n int8_t *ref = h->cur_pic.ref_index[list];\n int16_t(*mv_cache)[2] = &h->mv_cache[list][scan8[0]];\n int16_t(*mv)[2] = h->cur_pic.motion_val[list];\n if (!USES_LIST(mb_type, list))\n continue;\n assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));\n if (USES_LIST(top_type, list)) {\n const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;\n AV_COPY128(mv_cache[0 - 1 * 8], mv[b_xy + 0]);\n ref_cache[0 - 1 * 8] =\n ref_cache[1 - 1 * 8] = ref[4 * top_xy + 2];\n ref_cache[2 - 1 * 8] =\n ref_cache[3 - 1 * 8] = ref[4 * top_xy + 3];\n } else {\n AV_ZERO128(mv_cache[0 - 1 * 8]);\n AV_WN32A(&ref_cache[0 - 1 * 8],\n ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE) & 0xFF) * 0x01010101u);\n }\n if (mb_type & (MB_TYPE_16x8 | MB_TYPE_8x8)) {\n for (i = 0; i < 2; i++) {\n int cache_idx = -1 + i * 2 * 8;\n if (USES_LIST(left_type[LEFT(i)], list)) {\n const int b_xy = h->mb2b_xy[left_xy[LEFT(i)]] + 3;\n const int b8_xy = 4 * left_xy[LEFT(i)] + 1;\n AV_COPY32(mv_cache[cache_idx],\n mv[b_xy + b_stride * left_block[0 + i * 2]]);\n AV_COPY32(mv_cache[cache_idx + 8],\n mv[b_xy + b_stride * left_block[1 + i * 2]]);\n ref_cache[cache_idx] = ref[b8_xy + (left_block[0 + i * 2] & ~1)];\n ref_cache[cache_idx + 8] = ref[b8_xy + (left_block[1 + i * 2] & ~1)];\n } else {\n AV_ZERO32(mv_cache[cache_idx]);\n AV_ZERO32(mv_cache[cache_idx + 8]);\n ref_cache[cache_idx] =\n ref_cache[cache_idx + 8] = (left_type[LEFT(i)]) ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n } else {\n if (USES_LIST(left_type[LTOP], list)) {\n const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;\n const int b8_xy = 4 * left_xy[LTOP] + 1;\n AV_COPY32(mv_cache[-1], mv[b_xy + b_stride * left_block[0]]);\n ref_cache[-1] = ref[b8_xy + (left_block[0] & ~1)];\n } else {\n AV_ZERO32(mv_cache[-1]);\n ref_cache[-1] = left_type[LTOP] ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n if (USES_LIST(topright_type, list)) {\n const int b_xy = h->mb2b_xy[topright_xy] + 3 * b_stride;\n AV_COPY32(mv_cache[4 - 1 * 8], mv[b_xy]);\n ref_cache[4 - 1 * 8] = ref[4 * topright_xy + 2];\n } else {\n AV_ZERO32(mv_cache[4 - 1 * 8]);\n ref_cache[4 - 1 * 8] = topright_type ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n if (ref_cache[4 - 1 * 8] < 0) {\n if (USES_LIST(topleft_type, list)) {\n const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride +\n (h->topleft_partition & 2 * b_stride);\n const int b8_xy = 4 * topleft_xy + 1 + (h->topleft_partition & 2);\n AV_COPY32(mv_cache[-1 - 1 * 8], mv[b_xy]);\n ref_cache[-1 - 1 * 8] = ref[b8_xy];\n } else {\n AV_ZERO32(mv_cache[-1 - 1 * 8]);\n ref_cache[-1 - 1 * 8] = topleft_type ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF)\n continue;\n if (!(mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2))) {\n uint8_t(*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];\n uint8_t(*mvd)[2] = h->mvd_table[list];\n ref_cache[2 + 8 * 0] =\n ref_cache[2 + 8 * 2] = PART_NOT_AVAILABLE;\n AV_ZERO32(mv_cache[2 + 8 * 0]);\n AV_ZERO32(mv_cache[2 + 8 * 2]);\n if (CABAC) {\n if (USES_LIST(top_type, list)) {\n const int b_xy = h->mb2br_xy[top_xy];\n AV_COPY64(mvd_cache[0 - 1 * 8], mvd[b_xy + 0]);\n } else {\n AV_ZERO64(mvd_cache[0 - 1 * 8]);\n }\n if (USES_LIST(left_type[LTOP], list)) {\n const int b_xy = h->mb2br_xy[left_xy[LTOP]] + 6;\n AV_COPY16(mvd_cache[-1 + 0 * 8], mvd[b_xy - left_block[0]]);\n AV_COPY16(mvd_cache[-1 + 1 * 8], mvd[b_xy - left_block[1]]);\n } else {\n AV_ZERO16(mvd_cache[-1 + 0 * 8]);\n AV_ZERO16(mvd_cache[-1 + 1 * 8]);\n }\n if (USES_LIST(left_type[LBOT], list)) {\n const int b_xy = h->mb2br_xy[left_xy[LBOT]] + 6;\n AV_COPY16(mvd_cache[-1 + 2 * 8], mvd[b_xy - left_block[2]]);\n AV_COPY16(mvd_cache[-1 + 3 * 8], mvd[b_xy - left_block[3]]);\n } else {\n AV_ZERO16(mvd_cache[-1 + 2 * 8]);\n AV_ZERO16(mvd_cache[-1 + 3 * 8]);\n }\n AV_ZERO16(mvd_cache[2 + 8 * 0]);\n AV_ZERO16(mvd_cache[2 + 8 * 2]);\n if (h->slice_type_nos == AV_PICTURE_TYPE_B) {\n uint8_t *direct_cache = &h->direct_cache[scan8[0]];\n uint8_t *direct_table = h->direct_table;\n fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16 >> 1, 1);\n if (IS_DIRECT(top_type)) {\n AV_WN32A(&direct_cache[-1 * 8],\n 0x01010101u * (MB_TYPE_DIRECT2 >> 1));\n } else if (IS_8X8(top_type)) {\n int b8_xy = 4 * top_xy;\n direct_cache[0 - 1 * 8] = direct_table[b8_xy + 2];\n direct_cache[2 - 1 * 8] = direct_table[b8_xy + 3];\n } else {\n AV_WN32A(&direct_cache[-1 * 8],\n 0x01010101 * (MB_TYPE_16x16 >> 1));\n }\n if (IS_DIRECT(left_type[LTOP]))\n direct_cache[-1 + 0 * 8] = MB_TYPE_DIRECT2 >> 1;\n else if (IS_8X8(left_type[LTOP]))\n direct_cache[-1 + 0 * 8] = direct_table[4 * left_xy[LTOP] + 1 + (left_block[0] & ~1)];\n else\n direct_cache[-1 + 0 * 8] = MB_TYPE_16x16 >> 1;\n if (IS_DIRECT(left_type[LBOT]))\n direct_cache[-1 + 2 * 8] = MB_TYPE_DIRECT2 >> 1;\n else if (IS_8X8(left_type[LBOT]))\n direct_cache[-1 + 2 * 8] = direct_table[4 * left_xy[LBOT] + 1 + (left_block[2] & ~1)];\n else\n direct_cache[-1 + 2 * 8] = MB_TYPE_16x16 >> 1;\n }\n }\n }\n#define MAP_MVS \\\n MAP_F2F(scan8[0] - 1 - 1 * 8, topleft_type) \\\n MAP_F2F(scan8[0] + 0 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 1 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 2 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 3 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 4 - 1 * 8, topright_type) \\\n MAP_F2F(scan8[0] - 1 + 0 * 8, left_type[LTOP]) \\\n MAP_F2F(scan8[0] - 1 + 1 * 8, left_type[LTOP]) \\\n MAP_F2F(scan8[0] - 1 + 2 * 8, left_type[LBOT]) \\\n MAP_F2F(scan8[0] - 1 + 3 * 8, left_type[LBOT])\n if (FRAME_MBAFF) {\n if (MB_FIELD) {\n#define MAP_F2F(idx, mb_type) \\\n if (!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \\\n h->ref_cache[list][idx] <<= 1; \\\n h->mv_cache[list][idx][1] /= 2; \\\n h->mvd_cache[list][idx][1] >>= 1; \\\n }\n MAP_MVS\n } else {\n#undef MAP_F2F\n#define MAP_F2F(idx, mb_type) \\\n if (IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \\\n h->ref_cache[list][idx] >>= 1; \\\n h->mv_cache[list][idx][1] <<= 1; \\\n h->mvd_cache[list][idx][1] <<= 1; \\\n }\n MAP_MVS\n#undef MAP_F2F\n }\n }\n }\n }\n h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);\n}'] |
21,435 | 1 | https://github.com/openssl/openssl/blob/3da2e9c4ee45989a426ff513dc6c6250d1e460de/crypto/bn/bn_lib.c/#L365 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
bn_check_top(a);
if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
return 0;
a->neg = 0;
a->d[0] = w;
a->top = (w ? 1 : 0);
a->flags &= ~BN_FLG_FIXED_TOP;
bn_check_top(a);
return 1;
} | ['static int ecp_nistz256_windowed_mul(const EC_GROUP *group,\n P256_POINT *r,\n const BIGNUM **scalar,\n const EC_POINT **point,\n size_t num, BN_CTX *ctx)\n{\n size_t i;\n int j, ret = 0;\n unsigned int idx;\n unsigned char (*p_str)[33] = NULL;\n const unsigned int window_size = 5;\n const unsigned int mask = (1 << (window_size + 1)) - 1;\n unsigned int wvalue;\n P256_POINT *temp;\n const BIGNUM **scalars = NULL;\n P256_POINT (*table)[16] = NULL;\n void *table_storage = NULL;\n if ((num * 16 + 6) > OPENSSL_MALLOC_MAX_NELEMS(P256_POINT)\n || (table_storage =\n OPENSSL_malloc((num * 16 + 5) * sizeof(P256_POINT) + 64)) == NULL\n || (p_str =\n OPENSSL_malloc(num * 33 * sizeof(unsigned char))) == NULL\n || (scalars = OPENSSL_malloc(num * sizeof(BIGNUM *))) == NULL) {\n ECerr(EC_F_ECP_NISTZ256_WINDOWED_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n table = (void *)ALIGNPTR(table_storage, 64);\n temp = (P256_POINT *)(table + num);\n for (i = 0; i < num; i++) {\n P256_POINT *row = table[i];\n if ((BN_num_bits(scalar[i]) > 256) || BN_is_negative(scalar[i])) {\n BIGNUM *mod;\n if ((mod = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_nnmod(mod, scalar[i], group->order, ctx)) {\n ECerr(EC_F_ECP_NISTZ256_WINDOWED_MUL, ERR_R_BN_LIB);\n goto err;\n }\n scalars[i] = mod;\n } else\n scalars[i] = scalar[i];\n for (j = 0; j < bn_get_top(scalars[i]) * BN_BYTES; j += BN_BYTES) {\n BN_ULONG d = bn_get_words(scalars[i])[j / BN_BYTES];\n p_str[i][j + 0] = (unsigned char)d;\n p_str[i][j + 1] = (unsigned char)(d >> 8);\n p_str[i][j + 2] = (unsigned char)(d >> 16);\n p_str[i][j + 3] = (unsigned char)(d >>= 24);\n if (BN_BYTES == 8) {\n d >>= 8;\n p_str[i][j + 4] = (unsigned char)d;\n p_str[i][j + 5] = (unsigned char)(d >> 8);\n p_str[i][j + 6] = (unsigned char)(d >> 16);\n p_str[i][j + 7] = (unsigned char)(d >> 24);\n }\n }\n for (; j < 33; j++)\n p_str[i][j] = 0;\n if (!ecp_nistz256_bignum_to_field_elem(temp[0].X, point[i]->X)\n || !ecp_nistz256_bignum_to_field_elem(temp[0].Y, point[i]->Y)\n || !ecp_nistz256_bignum_to_field_elem(temp[0].Z, point[i]->Z)) {\n ECerr(EC_F_ECP_NISTZ256_WINDOWED_MUL,\n EC_R_COORDINATES_OUT_OF_RANGE);\n goto err;\n }\n ecp_nistz256_scatter_w5 (row, &temp[0], 1);\n ecp_nistz256_point_double(&temp[1], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[1], 2);\n ecp_nistz256_point_add (&temp[2], &temp[1], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[2], 3);\n ecp_nistz256_point_double(&temp[1], &temp[1]);\n ecp_nistz256_scatter_w5 (row, &temp[1], 4);\n ecp_nistz256_point_double(&temp[2], &temp[2]);\n ecp_nistz256_scatter_w5 (row, &temp[2], 6);\n ecp_nistz256_point_add (&temp[3], &temp[1], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[3], 5);\n ecp_nistz256_point_add (&temp[4], &temp[2], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[4], 7);\n ecp_nistz256_point_double(&temp[1], &temp[1]);\n ecp_nistz256_scatter_w5 (row, &temp[1], 8);\n ecp_nistz256_point_double(&temp[2], &temp[2]);\n ecp_nistz256_scatter_w5 (row, &temp[2], 12);\n ecp_nistz256_point_double(&temp[3], &temp[3]);\n ecp_nistz256_scatter_w5 (row, &temp[3], 10);\n ecp_nistz256_point_double(&temp[4], &temp[4]);\n ecp_nistz256_scatter_w5 (row, &temp[4], 14);\n ecp_nistz256_point_add (&temp[2], &temp[2], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[2], 13);\n ecp_nistz256_point_add (&temp[3], &temp[3], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[3], 11);\n ecp_nistz256_point_add (&temp[4], &temp[4], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[4], 15);\n ecp_nistz256_point_add (&temp[2], &temp[1], &temp[0]);\n ecp_nistz256_scatter_w5 (row, &temp[2], 9);\n ecp_nistz256_point_double(&temp[1], &temp[1]);\n ecp_nistz256_scatter_w5 (row, &temp[1], 16);\n }\n idx = 255;\n wvalue = p_str[0][(idx - 1) / 8];\n wvalue = (wvalue >> ((idx - 1) % 8)) & mask;\n ecp_nistz256_gather_w5(&temp[0], table[0], _booth_recode_w5(wvalue) >> 1);\n memcpy(r, &temp[0], sizeof(temp[0]));\n while (idx >= 5) {\n for (i = (idx == 255 ? 1 : 0); i < num; i++) {\n unsigned int off = (idx - 1) / 8;\n wvalue = p_str[i][off] | p_str[i][off + 1] << 8;\n wvalue = (wvalue >> ((idx - 1) % 8)) & mask;\n wvalue = _booth_recode_w5(wvalue);\n ecp_nistz256_gather_w5(&temp[0], table[i], wvalue >> 1);\n ecp_nistz256_neg(temp[1].Y, temp[0].Y);\n copy_conditional(temp[0].Y, temp[1].Y, (wvalue & 1));\n ecp_nistz256_point_add(r, r, &temp[0]);\n }\n idx -= window_size;\n ecp_nistz256_point_double(r, r);\n ecp_nistz256_point_double(r, r);\n ecp_nistz256_point_double(r, r);\n ecp_nistz256_point_double(r, r);\n ecp_nistz256_point_double(r, r);\n }\n for (i = 0; i < num; i++) {\n wvalue = p_str[i][0];\n wvalue = (wvalue << 1) & mask;\n wvalue = _booth_recode_w5(wvalue);\n ecp_nistz256_gather_w5(&temp[0], table[i], wvalue >> 1);\n ecp_nistz256_neg(temp[1].Y, temp[0].Y);\n copy_conditional(temp[0].Y, temp[1].Y, wvalue & 1);\n ecp_nistz256_point_add(r, r, &temp[0]);\n }\n ret = 1;\n err:\n OPENSSL_free(table_storage);\n OPENSSL_free(p_str);\n OPENSSL_free(scalars);\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}', '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_rshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, j, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, tmp;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n rb = n % BN_BITS2;\n lb = BN_BITS2 - rb;\n if (nw >= a->top || a->top == 0) {\n BN_zero(r);\n return 1;\n }\n i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;\n if (r != a) {\n if (bn_wexpand(r, i) == NULL)\n return 0;\n r->neg = a->neg;\n } else {\n if (n == 0)\n return 1;\n }\n f = &(a->d[nw]);\n t = r->d;\n j = a->top - nw;\n r->top = i;\n if (rb == 0) {\n for (i = j; i != 0; i--)\n *(t++) = *(f++);\n } else {\n l = *(f++);\n for (i = j - 1; i != 0; i--) {\n tmp = (l >> rb) & BN_MASK2;\n l = *(f++);\n *(t++) = (tmp | (l << lb)) & BN_MASK2;\n }\n if ((l = (l >> rb) & BN_MASK2))\n *(t) = l;\n }\n if (!r->top)\n r->neg = 0;\n bn_check_top(r);\n return 1;\n}'] |
21,436 | 0 | https://github.com/openssl/openssl/blob/393b704d282909dff28bdca80e2d8a1d404086f4/crypto/sha/sha256.c/#L288 | static void sha256_block (SHA256_CTX *ctx, const void *in, size_t num, int host)
{
unsigned MD32_REG_T a,b,c,d,e,f,g,h,s0,s1,T1;
SHA_LONG X[16];
int i;
const unsigned char *data=in;
while (num--) {
a = ctx->h[0]; b = ctx->h[1]; c = ctx->h[2]; d = ctx->h[3];
e = ctx->h[4]; f = ctx->h[5]; g = ctx->h[6]; h = ctx->h[7];
if (host)
{
const SHA_LONG *W=(const SHA_LONG *)data;
T1 = X[0] = W[0]; ROUND_00_15(0,a,b,c,d,e,f,g,h);
T1 = X[1] = W[1]; ROUND_00_15(1,h,a,b,c,d,e,f,g);
T1 = X[2] = W[2]; ROUND_00_15(2,g,h,a,b,c,d,e,f);
T1 = X[3] = W[3]; ROUND_00_15(3,f,g,h,a,b,c,d,e);
T1 = X[4] = W[4]; ROUND_00_15(4,e,f,g,h,a,b,c,d);
T1 = X[5] = W[5]; ROUND_00_15(5,d,e,f,g,h,a,b,c);
T1 = X[6] = W[6]; ROUND_00_15(6,c,d,e,f,g,h,a,b);
T1 = X[7] = W[7]; ROUND_00_15(7,b,c,d,e,f,g,h,a);
T1 = X[8] = W[8]; ROUND_00_15(8,a,b,c,d,e,f,g,h);
T1 = X[9] = W[9]; ROUND_00_15(9,h,a,b,c,d,e,f,g);
T1 = X[10] = W[10]; ROUND_00_15(10,g,h,a,b,c,d,e,f);
T1 = X[11] = W[11]; ROUND_00_15(11,f,g,h,a,b,c,d,e);
T1 = X[12] = W[12]; ROUND_00_15(12,e,f,g,h,a,b,c,d);
T1 = X[13] = W[13]; ROUND_00_15(13,d,e,f,g,h,a,b,c);
T1 = X[14] = W[14]; ROUND_00_15(14,c,d,e,f,g,h,a,b);
T1 = X[15] = W[15]; ROUND_00_15(15,b,c,d,e,f,g,h,a);
}
else
{
SHA_LONG l;
HOST_c2l(data,l); T1 = X[0] = l; ROUND_00_15(0,a,b,c,d,e,f,g,h);
HOST_c2l(data,l); T1 = X[1] = l; ROUND_00_15(1,h,a,b,c,d,e,f,g);
HOST_c2l(data,l); T1 = X[2] = l; ROUND_00_15(2,g,h,a,b,c,d,e,f);
HOST_c2l(data,l); T1 = X[3] = l; ROUND_00_15(3,f,g,h,a,b,c,d,e);
HOST_c2l(data,l); T1 = X[4] = l; ROUND_00_15(4,e,f,g,h,a,b,c,d);
HOST_c2l(data,l); T1 = X[5] = l; ROUND_00_15(5,d,e,f,g,h,a,b,c);
HOST_c2l(data,l); T1 = X[6] = l; ROUND_00_15(6,c,d,e,f,g,h,a,b);
HOST_c2l(data,l); T1 = X[7] = l; ROUND_00_15(7,b,c,d,e,f,g,h,a);
HOST_c2l(data,l); T1 = X[8] = l; ROUND_00_15(8,a,b,c,d,e,f,g,h);
HOST_c2l(data,l); T1 = X[9] = l; ROUND_00_15(9,h,a,b,c,d,e,f,g);
HOST_c2l(data,l); T1 = X[10] = l; ROUND_00_15(10,g,h,a,b,c,d,e,f);
HOST_c2l(data,l); T1 = X[11] = l; ROUND_00_15(11,f,g,h,a,b,c,d,e);
HOST_c2l(data,l); T1 = X[12] = l; ROUND_00_15(12,e,f,g,h,a,b,c,d);
HOST_c2l(data,l); T1 = X[13] = l; ROUND_00_15(13,d,e,f,g,h,a,b,c);
HOST_c2l(data,l); T1 = X[14] = l; ROUND_00_15(14,c,d,e,f,g,h,a,b);
HOST_c2l(data,l); T1 = X[15] = l; ROUND_00_15(15,b,c,d,e,f,g,h,a);
}
for (i=16;i<64;i+=8)
{
ROUND_16_63(i+0,a,b,c,d,e,f,g,h,X);
ROUND_16_63(i+1,h,a,b,c,d,e,f,g,X);
ROUND_16_63(i+2,g,h,a,b,c,d,e,f,X);
ROUND_16_63(i+3,f,g,h,a,b,c,d,e,X);
ROUND_16_63(i+4,e,f,g,h,a,b,c,d,X);
ROUND_16_63(i+5,d,e,f,g,h,a,b,c,X);
ROUND_16_63(i+6,c,d,e,f,g,h,a,b,X);
ROUND_16_63(i+7,b,c,d,e,f,g,h,a,X);
}
ctx->h[0] += a; ctx->h[1] += b; ctx->h[2] += c; ctx->h[3] += d;
ctx->h[4] += e; ctx->h[5] += f; ctx->h[6] += g; ctx->h[7] += h;
data += SHA256_CBLOCK;
}
} | ['static void sha256_block (SHA256_CTX *ctx, const void *in, size_t num, int host)\n\t{\n\tunsigned MD32_REG_T a,b,c,d,e,f,g,h,s0,s1,T1;\n\tSHA_LONG\tX[16];\n\tint i;\n\tconst unsigned char *data=in;\n\t\t\twhile (num--) {\n\ta = ctx->h[0];\tb = ctx->h[1];\tc = ctx->h[2];\td = ctx->h[3];\n\te = ctx->h[4];\tf = ctx->h[5];\tg = ctx->h[6];\th = ctx->h[7];\n\tif (host)\n\t\t{\n\t\tconst SHA_LONG *W=(const SHA_LONG *)data;\n\t\tT1 = X[0] = W[0];\tROUND_00_15(0,a,b,c,d,e,f,g,h);\n\t\tT1 = X[1] = W[1];\tROUND_00_15(1,h,a,b,c,d,e,f,g);\n\t\tT1 = X[2] = W[2];\tROUND_00_15(2,g,h,a,b,c,d,e,f);\n\t\tT1 = X[3] = W[3];\tROUND_00_15(3,f,g,h,a,b,c,d,e);\n\t\tT1 = X[4] = W[4];\tROUND_00_15(4,e,f,g,h,a,b,c,d);\n\t\tT1 = X[5] = W[5];\tROUND_00_15(5,d,e,f,g,h,a,b,c);\n\t\tT1 = X[6] = W[6];\tROUND_00_15(6,c,d,e,f,g,h,a,b);\n\t\tT1 = X[7] = W[7];\tROUND_00_15(7,b,c,d,e,f,g,h,a);\n\t\tT1 = X[8] = W[8];\tROUND_00_15(8,a,b,c,d,e,f,g,h);\n\t\tT1 = X[9] = W[9];\tROUND_00_15(9,h,a,b,c,d,e,f,g);\n\t\tT1 = X[10] = W[10];\tROUND_00_15(10,g,h,a,b,c,d,e,f);\n\t\tT1 = X[11] = W[11];\tROUND_00_15(11,f,g,h,a,b,c,d,e);\n\t\tT1 = X[12] = W[12];\tROUND_00_15(12,e,f,g,h,a,b,c,d);\n\t\tT1 = X[13] = W[13];\tROUND_00_15(13,d,e,f,g,h,a,b,c);\n\t\tT1 = X[14] = W[14];\tROUND_00_15(14,c,d,e,f,g,h,a,b);\n\t\tT1 = X[15] = W[15];\tROUND_00_15(15,b,c,d,e,f,g,h,a);\n\t\t}\n\telse\n\t\t{\n\t\tSHA_LONG l;\n\t\tHOST_c2l(data,l); T1 = X[0] = l; ROUND_00_15(0,a,b,c,d,e,f,g,h);\n\t\tHOST_c2l(data,l); T1 = X[1] = l; ROUND_00_15(1,h,a,b,c,d,e,f,g);\n\t\tHOST_c2l(data,l); T1 = X[2] = l; ROUND_00_15(2,g,h,a,b,c,d,e,f);\n\t\tHOST_c2l(data,l); T1 = X[3] = l; ROUND_00_15(3,f,g,h,a,b,c,d,e);\n\t\tHOST_c2l(data,l); T1 = X[4] = l; ROUND_00_15(4,e,f,g,h,a,b,c,d);\n\t\tHOST_c2l(data,l); T1 = X[5] = l; ROUND_00_15(5,d,e,f,g,h,a,b,c);\n\t\tHOST_c2l(data,l); T1 = X[6] = l; ROUND_00_15(6,c,d,e,f,g,h,a,b);\n\t\tHOST_c2l(data,l); T1 = X[7] = l; ROUND_00_15(7,b,c,d,e,f,g,h,a);\n\t\tHOST_c2l(data,l); T1 = X[8] = l; ROUND_00_15(8,a,b,c,d,e,f,g,h);\n\t\tHOST_c2l(data,l); T1 = X[9] = l; ROUND_00_15(9,h,a,b,c,d,e,f,g);\n\t\tHOST_c2l(data,l); T1 = X[10] = l; ROUND_00_15(10,g,h,a,b,c,d,e,f);\n\t\tHOST_c2l(data,l); T1 = X[11] = l; ROUND_00_15(11,f,g,h,a,b,c,d,e);\n\t\tHOST_c2l(data,l); T1 = X[12] = l; ROUND_00_15(12,e,f,g,h,a,b,c,d);\n\t\tHOST_c2l(data,l); T1 = X[13] = l; ROUND_00_15(13,d,e,f,g,h,a,b,c);\n\t\tHOST_c2l(data,l); T1 = X[14] = l; ROUND_00_15(14,c,d,e,f,g,h,a,b);\n\t\tHOST_c2l(data,l); T1 = X[15] = l; ROUND_00_15(15,b,c,d,e,f,g,h,a);\n\t\t}\n\tfor (i=16;i<64;i+=8)\n\t\t{\n\t\tROUND_16_63(i+0,a,b,c,d,e,f,g,h,X);\n\t\tROUND_16_63(i+1,h,a,b,c,d,e,f,g,X);\n\t\tROUND_16_63(i+2,g,h,a,b,c,d,e,f,X);\n\t\tROUND_16_63(i+3,f,g,h,a,b,c,d,e,X);\n\t\tROUND_16_63(i+4,e,f,g,h,a,b,c,d,X);\n\t\tROUND_16_63(i+5,d,e,f,g,h,a,b,c,X);\n\t\tROUND_16_63(i+6,c,d,e,f,g,h,a,b,X);\n\t\tROUND_16_63(i+7,b,c,d,e,f,g,h,a,X);\n\t\t}\n\tctx->h[0] += a;\tctx->h[1] += b;\tctx->h[2] += c;\tctx->h[3] += d;\n\tctx->h[4] += e;\tctx->h[5] += f;\tctx->h[6] += g;\tctx->h[7] += h;\n\t\t\tdata += SHA256_CBLOCK;\n\t\t\t}\n\t}'] |
21,437 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/x509/x509_req.c/#L130 | int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
{
EVP_PKEY *xk = NULL;
int ok = 0;
xk = X509_REQ_get_pubkey(x);
switch (EVP_PKEY_cmp(xk, k)) {
case 1:
ok = 1;
break;
case 0:
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
X509_R_KEY_VALUES_MISMATCH);
break;
case -1:
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH);
break;
case -2:
#ifndef OPENSSL_NO_EC
if (k->type == EVP_PKEY_EC) {
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
break;
}
#endif
#ifndef OPENSSL_NO_DH
if (k->type == EVP_PKEY_DH) {
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
X509_R_CANT_CHECK_DH_KEY);
break;
}
#endif
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE);
}
EVP_PKEY_free(xk);
return (ok);
} | ['int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)\n{\n EVP_PKEY *xk = NULL;\n int ok = 0;\n xk = X509_REQ_get_pubkey(x);\n switch (EVP_PKEY_cmp(xk, k)) {\n case 1:\n ok = 1;\n break;\n case 0:\n X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,\n X509_R_KEY_VALUES_MISMATCH);\n break;\n case -1:\n X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH);\n break;\n case -2:\n#ifndef OPENSSL_NO_EC\n if (k->type == EVP_PKEY_EC) {\n X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);\n break;\n }\n#endif\n#ifndef OPENSSL_NO_DH\n if (k->type == EVP_PKEY_DH) {\n X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,\n X509_R_CANT_CHECK_DH_KEY);\n break;\n }\n#endif\n X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE);\n }\n EVP_PKEY_free(xk);\n return (ok);\n}', 'EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)\n{\n if (req == NULL)\n return (NULL);\n return (X509_PUBKEY_get(req->req_info.pubkey));\n}', 'EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key)\n{\n EVP_PKEY *ret = X509_PUBKEY_get0(key);\n if (ret != NULL)\n EVP_PKEY_up_ref(ret);\n return ret;\n}', 'EVP_PKEY *X509_PUBKEY_get0(X509_PUBKEY *key)\n{\n EVP_PKEY *ret = NULL;\n if (key == NULL)\n goto error;\n if (key->pkey != NULL)\n return key->pkey;\n if (key->public_key == NULL)\n goto error;\n if ((ret = EVP_PKEY_new()) == NULL) {\n X509err(X509_F_X509_PUBKEY_GET0, ERR_R_MALLOC_FAILURE);\n goto error;\n }\n if (!EVP_PKEY_set_type(ret, OBJ_obj2nid(key->algor->algorithm))) {\n X509err(X509_F_X509_PUBKEY_GET0, X509_R_UNSUPPORTED_ALGORITHM);\n goto error;\n }\n if (ret->ameth->pub_decode) {\n if (!ret->ameth->pub_decode(ret, key)) {\n X509err(X509_F_X509_PUBKEY_GET0, X509_R_PUBLIC_KEY_DECODE_ERROR);\n goto error;\n }\n } else {\n X509err(X509_F_X509_PUBKEY_GET0, X509_R_METHOD_NOT_SUPPORTED);\n goto error;\n }\n CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY);\n if (key->pkey) {\n CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);\n EVP_PKEY_free(ret);\n ret = key->pkey;\n } else {\n key->pkey = ret;\n CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);\n }\n return ret;\n error:\n EVP_PKEY_free(ret);\n return (NULL);\n}', 'void EVP_PKEY_free(EVP_PKEY *x)\n{\n int i;\n if (x == NULL)\n return;\n i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_EVP_PKEY);\n#ifdef REF_PRINT\n REF_PRINT("EVP_PKEY", x);\n#endif\n if (i > 0)\n return;\n#ifdef REF_CHECK\n if (i < 0) {\n fprintf(stderr, "EVP_PKEY_free, bad reference count\\n");\n abort();\n }\n#endif\n EVP_PKEY_free_it(x);\n sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);\n OPENSSL_free(x);\n}', 'int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)\n{\n if (a->type != b->type)\n return -1;\n if (a->ameth) {\n int ret;\n if (a->ameth->param_cmp) {\n ret = a->ameth->param_cmp(a, b);\n if (ret <= 0)\n return ret;\n }\n if (a->ameth->pub_cmp)\n return a->ameth->pub_cmp(a, b);\n }\n return -2;\n}'] |
21,438 | 0 | https://gitlab.com/libtiff/libtiff/blob/574447a0b041f3ab8d38aaec2b2d58b7f5dfb2f1/libtiff/tif_read.c/#L1012 | static int
TIFFStartTile(TIFF* tif, uint32 tile)
{
static const char module[] = "TIFFStartTile";
TIFFDirectory *td = &tif->tif_dir;
uint32 howmany32;
if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
return 0;
if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
if (!(*tif->tif_setupdecode)(tif))
return (0);
tif->tif_flags |= TIFF_CODERSETUP;
}
tif->tif_curtile = tile;
howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);
if (howmany32 == 0) {
TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
return 0;
}
tif->tif_row = (tile % howmany32) * td->td_tilelength;
howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);
if (howmany32 == 0) {
TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
return 0;
}
tif->tif_col = (tile % howmany32) * td->td_tilewidth;
tif->tif_flags &= ~TIFF_BUF4WRITE;
if (tif->tif_flags&TIFF_NOREADRAW)
{
tif->tif_rawcp = NULL;
tif->tif_rawcc = 0;
}
else
{
tif->tif_rawcp = tif->tif_rawdata;
tif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile];
}
return ((*tif->tif_predecode)(tif,
(uint16)(tile/td->td_stripsperimage)));
} | ['tsize_t t2p_readwrite_pdf_image_tile(T2P* t2p, TIFF* input, TIFF* output, ttile_t tile){\n\tuint16 edge=0;\n\ttsize_t written=0;\n\tunsigned char* buffer=NULL;\n\ttsize_t bufferoffset=0;\n\tunsigned char* samplebuffer=NULL;\n\ttsize_t samplebufferoffset=0;\n\ttsize_t read=0;\n\tuint16 i=0;\n\tttile_t tilecount=0;\n\tttile_t septilecount=0;\n\ttsize_t septilesize=0;\n#ifdef JPEG_SUPPORT\n\tunsigned char* jpt;\n\tfloat* xfloatp;\n\tuint32 xuint32=0;\n#endif\n\tif (t2p->t2p_error != T2P_ERR_OK)\n\t\treturn(0);\n\tedge |= t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile);\n\tedge |= t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile);\n\tif( (t2p->pdf_transcode == T2P_TRANSCODE_RAW) && ((edge == 0)\n#if defined(JPEG_SUPPORT) || defined(OJPEG_SUPPORT)\n\t\t|| (t2p->pdf_compression == T2P_COMPRESS_JPEG)\n#endif\n\t)\n\t){\n#ifdef CCITT_SUPPORT\n\t\tif(t2p->pdf_compression == T2P_COMPRESS_G4){\n\t\t\tbuffer= (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tTIFFReadRawTile(input, tile, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\tif (t2p->tiff_fillorder==FILLORDER_LSB2MSB){\n\t\t\t\t\tTIFFReverseBits(buffer, t2p->tiff_datasize);\n\t\t\t}\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(t2p->tiff_datasize);\n\t\t}\n#endif\n#ifdef ZIP_SUPPORT\n\t\tif(t2p->pdf_compression == T2P_COMPRESS_ZIP){\n\t\t\tbuffer= (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tTIFFReadRawTile(input, tile, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\tif (t2p->tiff_fillorder==FILLORDER_LSB2MSB){\n\t\t\t\t\tTIFFReverseBits(buffer, t2p->tiff_datasize);\n\t\t\t}\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(t2p->tiff_datasize);\n\t\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\t\tif(t2p->tiff_compression == COMPRESSION_OJPEG){\n\t\t\tif(! t2p->pdf_ojpegdata){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"No support for OJPEG image %s with "\n "bad tables",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tbuffer=(unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\t_TIFFmemcpy(buffer, t2p->pdf_ojpegdata, t2p->pdf_ojpegdatalength);\n\t\t\tif(edge!=0){\n\t\t\t\tif(t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile)){\n\t\t\t\t\tbuffer[7]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength >> 8) & 0xff;\n\t\t\t\t\tbuffer[8]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength ) & 0xff;\n\t\t\t\t}\n\t\t\t\tif(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile)){\n\t\t\t\t\tbuffer[9]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth >> 8) & 0xff;\n\t\t\t\t\tbuffer[10]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth ) & 0xff;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbufferoffset=t2p->pdf_ojpegdatalength;\n\t\t\tbufferoffset+=TIFFReadRawTile(input,\n\t\t\t\t\ttile,\n\t\t\t\t\t(tdata_t) &(((unsigned char*)buffer)[bufferoffset]),\n\t\t\t\t\t-1);\n\t\t\t((unsigned char*)buffer)[bufferoffset++]=0xff;\n\t\t\t((unsigned char*)buffer)[bufferoffset++]=0xd9;\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, bufferoffset);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(bufferoffset);\n\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\tif(t2p->tiff_compression == COMPRESSION_JPEG){\n\t\t\tunsigned char table_end[2];\n\t\t\tuint32 count = 0;\n\t\t\tbuffer= (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\tt2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0) {\n\t\t\t\tif (count > 0) {\n\t\t\t\t\t_TIFFmemcpy(buffer, jpt, count);\n\t\t\t\t\tbufferoffset += count - 2;\n\t\t\t\t\ttable_end[0] = buffer[bufferoffset-2];\n\t\t\t\t\ttable_end[1] = buffer[bufferoffset-1];\n\t\t\t\t}\n\t\t\t\tif (count > 0) {\n\t\t\t\t\txuint32 = bufferoffset;\n\t\t\t\t\tbufferoffset += TIFFReadRawTile(\n\t\t\t\t\t\tinput,\n\t\t\t\t\t\ttile,\n\t\t\t\t\t\t(tdata_t) &(((unsigned char*)buffer)[bufferoffset-2]),\n\t\t\t\t\t\t-1);\n\t\t\t\t\t\tbuffer[xuint32-2]=table_end[0];\n\t\t\t\t\t\tbuffer[xuint32-1]=table_end[1];\n\t\t\t\t} else {\n\t\t\t\t\tbufferoffset += TIFFReadRawTile(\n\t\t\t\t\t\tinput,\n\t\t\t\t\t\ttile,\n\t\t\t\t\t\t(tdata_t) &(((unsigned char*)buffer)[bufferoffset]),\n\t\t\t\t\t\t-1);\n\t\t\t\t}\n\t\t\t}\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, bufferoffset);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(bufferoffset);\n\t\t}\n#endif\n\t\t(void)0;\n\t}\n\tif(t2p->pdf_sample==T2P_SAMPLE_NOTHING){\n\t\tbuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\tif(buffer==NULL){\n\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t"Can\'t allocate %lu bytes of memory for "\n "t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn(0);\n\t\t}\n\t\tread = TIFFReadEncodedTile(\n\t\t\tinput,\n\t\t\ttile,\n\t\t\t(tdata_t) &buffer[bufferoffset],\n\t\t\tt2p->tiff_datasize);\n\t\tif(read==-1){\n\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t"Error on decoding tile %u of %s",\n\t\t\t\ttile,\n\t\t\t\tTIFFFileName(input));\n\t\t\t_TIFFfree(buffer);\n\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn(0);\n\t\t}\n\t} else {\n\t\tif(t2p->pdf_sample == T2P_SAMPLE_PLANAR_SEPARATE_TO_CONTIG){\n\t\t\tseptilesize=TIFFTileSize(input);\n\t\t\tseptilecount=TIFFNumberOfTiles(input);\n\t\t\ttilecount=septilecount/t2p->tiff_samplesperpixel;\n\t\t\tbuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tsamplebuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(samplebuffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tsamplebufferoffset=0;\n\t\t\tfor(i=0;i<t2p->tiff_samplesperpixel;i++){\n\t\t\t\tread =\n\t\t\t\t\tTIFFReadEncodedTile(input,\n\t\t\t\t\t\ttile + i*tilecount,\n\t\t\t\t\t\t(tdata_t) &(samplebuffer[samplebufferoffset]),\n\t\t\t\t\t\tseptilesize);\n\t\t\t\tif(read==-1){\n\t\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t\t"Error on decoding tile %u of %s",\n\t\t\t\t\t\ttile + i*tilecount,\n\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t_TIFFfree(samplebuffer);\n\t\t\t\t\t\t_TIFFfree(buffer);\n\t\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\t\t\treturn(0);\n\t\t\t\t}\n\t\t\t\tsamplebufferoffset+=read;\n\t\t\t}\n\t\t\tt2p_sample_planar_separate_to_contig(\n\t\t\t\tt2p,\n\t\t\t\t&(buffer[bufferoffset]),\n\t\t\t\tsamplebuffer,\n\t\t\t\tsamplebufferoffset);\n\t\t\tbufferoffset+=samplebufferoffset;\n\t\t\t_TIFFfree(samplebuffer);\n\t\t}\n\t\tif(buffer==NULL){\n\t\t\tbuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tread = TIFFReadEncodedTile(\n\t\t\t\tinput,\n\t\t\t\ttile,\n\t\t\t\t(tdata_t) &buffer[bufferoffset],\n\t\t\t\tt2p->tiff_datasize);\n\t\t\tif(read==-1){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Error on decoding tile %u of %s",\n\t\t\t\t\ttile,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t_TIFFfree(buffer);\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_RGBA_TO_RGB){\n\t\t\tt2p->tiff_datasize=t2p_sample_rgba_to_rgb(\n\t\t\t\t(tdata_t)buffer,\n\t\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth\n\t\t\t\t*t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_RGBAA_TO_RGB){\n\t\t\tt2p->tiff_datasize=t2p_sample_rgbaa_to_rgb(\n\t\t\t\t(tdata_t)buffer,\n\t\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth\n\t\t\t\t*t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_YCBCR_TO_RGB){\n\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t"No support for YCbCr to RGB in tile for %s",\n\t\t\t\tTIFFFileName(input));\n\t\t\t_TIFFfree(buffer);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn(0);\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED){\n\t\t\tt2p->tiff_datasize=t2p_sample_lab_signed_to_unsigned(\n\t\t\t\t(tdata_t)buffer,\n\t\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth\n\t\t\t\t*t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\t}\n\t}\n\tif(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile) != 0){\n\t\tt2p_tile_collapse_left(\n\t\t\tbuffer,\n\t\t\tTIFFTileRowSize(input),\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t}\n\tt2p_disable(output);\n\tTIFFSetField(output, TIFFTAG_PHOTOMETRIC, t2p->tiff_photometric);\n\tTIFFSetField(output, TIFFTAG_BITSPERSAMPLE, t2p->tiff_bitspersample);\n\tTIFFSetField(output, TIFFTAG_SAMPLESPERPIXEL, t2p->tiff_samplesperpixel);\n\tif(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile) == 0){\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGEWIDTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth);\n\t} else {\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGEWIDTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth);\n\t}\n\tif(t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile) == 0){\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGELENGTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_ROWSPERSTRIP,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t} else {\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGELENGTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength);\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_ROWSPERSTRIP,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength);\n\t}\n\tTIFFSetField(output, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);\n\tTIFFSetField(output, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);\n\tswitch(t2p->pdf_compression){\n\tcase T2P_COMPRESS_NONE:\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_NONE);\n\t\tbreak;\n#ifdef CCITT_SUPPORT\n\tcase T2P_COMPRESS_G4:\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);\n\t\tbreak;\n#endif\n#ifdef JPEG_SUPPORT\n\tcase T2P_COMPRESS_JPEG:\n\t\tif (t2p->tiff_photometric==PHOTOMETRIC_YCBCR) {\n\t\t\tuint16 hor = 0, ver = 0;\n\t\t\tif (TIFFGetField(input, TIFFTAG_YCBCRSUBSAMPLING, &hor, &ver)!=0) {\n\t\t\t\tif (hor != 0 && ver != 0) {\n\t\t\t\t\tTIFFSetField(output, TIFFTAG_YCBCRSUBSAMPLING, hor, ver);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_REFERENCEBLACKWHITE, &xfloatp)!=0){\n\t\t\t\tTIFFSetField(output, TIFFTAG_REFERENCEBLACKWHITE, xfloatp);\n\t\t\t}\n\t\t}\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_JPEG);\n\t\tTIFFSetField(output, TIFFTAG_JPEGTABLESMODE, 0);\n\t\tif(t2p->pdf_colorspace & (T2P_CS_RGB | T2P_CS_LAB)){\n\t\t\tTIFFSetField(output, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR);\n\t\t\tif(t2p->tiff_photometric != PHOTOMETRIC_YCBCR){\n\t\t\t\tTIFFSetField(output, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);\n\t\t\t} else {\n\t\t\t\tTIFFSetField(output, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RAW);\n\t\t\t}\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_GRAY){\n\t\t\t(void)0;\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_CMYK){\n\t\t\t(void)0;\n\t\t}\n\t\tif(t2p->pdf_defaultcompressionquality != 0){\n\t\t\tTIFFSetField(output,\n\t\t\t\tTIFFTAG_JPEGQUALITY,\n\t\t\t\tt2p->pdf_defaultcompressionquality);\n\t\t}\n\t\tbreak;\n#endif\n#ifdef ZIP_SUPPORT\n\tcase T2P_COMPRESS_ZIP:\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);\n\t\tif(t2p->pdf_defaultcompressionquality%100 != 0){\n\t\t\tTIFFSetField(output,\n\t\t\t\tTIFFTAG_PREDICTOR,\n\t\t\t\tt2p->pdf_defaultcompressionquality % 100);\n\t\t}\n\t\tif(t2p->pdf_defaultcompressionquality/100 != 0){\n\t\t\tTIFFSetField(output,\n\t\t\t\tTIFFTAG_ZIPQUALITY,\n\t\t\t\t(t2p->pdf_defaultcompressionquality / 100));\n\t\t}\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\tt2p_enable(output);\n\tt2p->outputwritten = 0;\n\tbufferoffset = TIFFWriteEncodedStrip(output, (tstrip_t) 0, buffer,\n\t\t\t\t\t TIFFStripSize(output));\n\tif (buffer != NULL) {\n\t\t_TIFFfree(buffer);\n\t\tbuffer = NULL;\n\t}\n\tif (bufferoffset == -1) {\n\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t "Error writing encoded tile to output PDF %s",\n\t\t\t TIFFFileName(output));\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn(0);\n\t}\n\twritten = t2p->outputwritten;\n\treturn(written);\n}', 'tmsize_t\nTIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size)\n{\n\tstatic const char module[] = "TIFFReadEncodedTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n\ttmsize_t tilesize = tif->tif_tilesize;\n\tif (!TIFFCheckRead(tif, 1))\n\t\treturn ((tmsize_t)(-1));\n\tif (tile >= td->td_nstrips) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "%lu: Tile out of range, max %lu",\n\t\t (unsigned long) tile, (unsigned long) td->td_nstrips);\n\t\treturn ((tmsize_t)(-1));\n\t}\n\tif (size == (tmsize_t)(-1))\n\t\tsize = tilesize;\n\telse if (size > tilesize)\n\t\tsize = tilesize;\n\tif (TIFFFillTile(tif, tile) && (*tif->tif_decodetile)(tif,\n\t (uint8*) buf, size, (uint16)(tile/td->td_stripsperimage))) {\n\t\t(*tif->tif_postdecode)(tif, (uint8*) buf, size);\n\t\treturn (size);\n\t} else\n\t\treturn ((tmsize_t)(-1));\n}', 'int\nTIFFFillTile(TIFF* tif, uint32 tile)\n{\n\tstatic const char module[] = "TIFFFillTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)\n return 0;\n\tif ((tif->tif_flags&TIFF_NOREADRAW)==0)\n\t{\n\t\tuint64 bytecount = td->td_stripbytecount[tile];\n\t\tif ((int64)bytecount <= 0) {\n#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t"%I64u: Invalid tile byte count, tile %lu",\n\t\t\t\t (unsigned __int64) bytecount,\n\t\t\t\t (unsigned long) tile);\n#else\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t"%llu: Invalid tile byte count, tile %lu",\n\t\t\t\t (unsigned long long) bytecount,\n\t\t\t\t (unsigned long) tile);\n#endif\n\t\t\treturn (0);\n\t\t}\n\t\tif (isMapped(tif) &&\n\t\t (isFillOrder(tif, td->td_fillorder)\n\t\t || (tif->tif_flags & TIFF_NOBITREV))) {\n\t\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) {\n\t\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\t\ttif->tif_rawdata = NULL;\n\t\t\t\ttif->tif_rawdatasize = 0;\n\t\t\t}\n\t\t\ttif->tif_flags &= ~TIFF_MYBUFFER;\n\t\t\tif (bytecount > (uint64)tif->tif_size ||\n\t\t\t td->td_stripoffset[tile] > (uint64)tif->tif_size - bytecount) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t\ttif->tif_rawdatasize = (tmsize_t)bytecount;\n\t\t\ttif->tif_rawdata =\n\t\t\t\ttif->tif_base + (tmsize_t)td->td_stripoffset[tile];\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = (tmsize_t) bytecount;\n\t\t\ttif->tif_flags |= TIFF_BUFFERMMAP;\n\t\t} else {\n\t\t\ttmsize_t bytecountm;\n\t\t\tbytecountm=(tmsize_t)bytecount;\n\t\t\tif ((uint64)bytecountm!=bytecount)\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tif (bytecountm > tif->tif_rawdatasize) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\tif ((tif->tif_flags & TIFF_MYBUFFER) == 0) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Data buffer too small to hold tile %lu",\n\t\t\t\t\t (unsigned long) tile);\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (!TIFFReadBufferSetup(tif, 0, bytecountm))\n\t\t\t\t\treturn (0);\n\t\t\t}\n\t\t\tif (tif->tif_flags&TIFF_BUFFERMMAP) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\tif (!TIFFReadBufferSetup(tif, 0, bytecountm))\n\t\t\t\t\treturn (0);\n\t\t\t}\n\t\t\tif (TIFFReadRawTile1(tif, tile, tif->tif_rawdata,\n\t\t\t bytecountm, module) != bytecountm)\n\t\t\t\treturn (0);\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = bytecountm;\n\t\t\tif (!isFillOrder(tif, td->td_fillorder) &&\n\t\t\t (tif->tif_flags & TIFF_NOBITREV) == 0)\n\t\t\t\tTIFFReverseBits(tif->tif_rawdata,\n tif->tif_rawdataloaded);\n\t\t}\n\t}\n\treturn (TIFFStartTile(tif, tile));\n}', 'static int\nTIFFStartTile(TIFF* tif, uint32 tile)\n{\n static const char module[] = "TIFFStartTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n uint32 howmany32;\n if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)\n return 0;\n\tif ((tif->tif_flags & TIFF_CODERSETUP) == 0) {\n\t\tif (!(*tif->tif_setupdecode)(tif))\n\t\t\treturn (0);\n\t\ttif->tif_flags |= TIFF_CODERSETUP;\n\t}\n\ttif->tif_curtile = tile;\n howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);\n if (howmany32 == 0) {\n TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");\n return 0;\n }\n\ttif->tif_row = (tile % howmany32) * td->td_tilelength;\n howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);\n if (howmany32 == 0) {\n TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");\n return 0;\n }\n\ttif->tif_col = (tile % howmany32) * td->td_tilewidth;\n tif->tif_flags &= ~TIFF_BUF4WRITE;\n\tif (tif->tif_flags&TIFF_NOREADRAW)\n\t{\n\t\ttif->tif_rawcp = NULL;\n\t\ttif->tif_rawcc = 0;\n\t}\n\telse\n\t{\n\t\ttif->tif_rawcp = tif->tif_rawdata;\n\t\ttif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile];\n\t}\n\treturn ((*tif->tif_predecode)(tif,\n\t\t\t(uint16)(tile/td->td_stripsperimage)));\n}'] |
21,439 | 0 | https://github.com/libav/libav/blob/645d26520a1a1900a89f2811eb78a5d637ca7877/libavcodec/ivi_dsp.c/#L96 | void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,
const int dst_pitch, const int num_bands)
{
int x, y, indx;
int32_t p0, p1, p2, p3, tmp0, tmp1, tmp2;
int32_t b0_1, b0_2, b1_1, b1_2, b1_3, b2_1, b2_2, b2_3, b2_4, b2_5, b2_6;
int32_t b3_1, b3_2, b3_3, b3_4, b3_5, b3_6, b3_7, b3_8, b3_9;
uint32_t pitch, back_pitch;
const IDWTELEM *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr;
pitch = plane->bands[0].pitch;
back_pitch = 0;
b0_ptr = plane->bands[0].buf;
b1_ptr = plane->bands[1].buf;
b2_ptr = plane->bands[2].buf;
b3_ptr = plane->bands[3].buf;
for (y = 0; y < plane->height; y += 2) {
if (num_bands > 0) {
b0_1 = b0_ptr[0];
b0_2 = b0_ptr[pitch];
}
if (num_bands > 1) {
b1_1 = b1_ptr[back_pitch];
b1_2 = b1_ptr[0];
b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch];
}
if (num_bands > 2) {
b2_2 = b2_ptr[0];
b2_3 = b2_2;
b2_5 = b2_ptr[pitch];
b2_6 = b2_5;
}
if (num_bands > 3) {
b3_2 = b3_ptr[back_pitch];
b3_3 = b3_2;
b3_5 = b3_ptr[0];
b3_6 = b3_5;
b3_8 = b3_2 - b3_5*6 + b3_ptr[pitch];
b3_9 = b3_8;
}
for (x = 0, indx = 0; x < plane->width; x+=2, indx++) {
b2_1 = b2_2;
b2_2 = b2_3;
b2_4 = b2_5;
b2_5 = b2_6;
b3_1 = b3_2;
b3_2 = b3_3;
b3_4 = b3_5;
b3_5 = b3_6;
b3_7 = b3_8;
b3_8 = b3_9;
p0 = p1 = p2 = p3 = 0;
if (num_bands > 0) {
tmp0 = b0_1;
tmp2 = b0_2;
b0_1 = b0_ptr[indx+1];
b0_2 = b0_ptr[pitch+indx+1];
tmp1 = tmp0 + b0_1;
p0 = tmp0 << 4;
p1 = tmp1 << 3;
p2 = (tmp0 + tmp2) << 3;
p3 = (tmp1 + tmp2 + b0_2) << 2;
}
if (num_bands > 1) {
tmp0 = b1_2;
tmp1 = b1_1;
b1_2 = b1_ptr[indx+1];
b1_1 = b1_ptr[back_pitch+indx+1];
tmp2 = tmp1 - tmp0*6 + b1_3;
b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch+indx+1];
p0 += (tmp0 + tmp1) << 3;
p1 += (tmp0 + tmp1 + b1_1 + b1_2) << 2;
p2 += tmp2 << 2;
p3 += (tmp2 + b1_3) << 1;
}
if (num_bands > 2) {
b2_3 = b2_ptr[indx+1];
b2_6 = b2_ptr[pitch+indx+1];
tmp0 = b2_1 + b2_2;
tmp1 = b2_1 - b2_2*6 + b2_3;
p0 += tmp0 << 3;
p1 += tmp1 << 2;
p2 += (tmp0 + b2_4 + b2_5) << 2;
p3 += (tmp1 + b2_4 - b2_5*6 + b2_6) << 1;
}
if (num_bands > 3) {
b3_6 = b3_ptr[indx+1];
b3_3 = b3_ptr[back_pitch+indx+1];
tmp0 = b3_1 + b3_4;
tmp1 = b3_2 + b3_5;
tmp2 = b3_3 + b3_6;
b3_9 = b3_3 - b3_6*6 + b3_ptr[pitch+indx+1];
p0 += (tmp0 + tmp1) << 2;
p1 += (tmp0 - tmp1*6 + tmp2) << 1;
p2 += (b3_7 + b3_8) << 1;
p3 += b3_7 - b3_8*6 + b3_9;
}
dst[x] = av_clip_uint8((p0 >> 6) + 128);
dst[x+1] = av_clip_uint8((p1 >> 6) + 128);
dst[dst_pitch+x] = av_clip_uint8((p2 >> 6) + 128);
dst[dst_pitch+x+1] = av_clip_uint8((p3 >> 6) + 128);
}
dst += dst_pitch << 1;
back_pitch = -pitch;
b0_ptr += pitch;
b1_ptr += pitch;
b2_ptr += pitch;
b3_ptr += pitch;
}
} | ['void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,\n const int dst_pitch, const int num_bands)\n{\n int x, y, indx;\n int32_t p0, p1, p2, p3, tmp0, tmp1, tmp2;\n int32_t b0_1, b0_2, b1_1, b1_2, b1_3, b2_1, b2_2, b2_3, b2_4, b2_5, b2_6;\n int32_t b3_1, b3_2, b3_3, b3_4, b3_5, b3_6, b3_7, b3_8, b3_9;\n uint32_t pitch, back_pitch;\n const IDWTELEM *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr;\n pitch = plane->bands[0].pitch;\n back_pitch = 0;\n b0_ptr = plane->bands[0].buf;\n b1_ptr = plane->bands[1].buf;\n b2_ptr = plane->bands[2].buf;\n b3_ptr = plane->bands[3].buf;\n for (y = 0; y < plane->height; y += 2) {\n if (num_bands > 0) {\n b0_1 = b0_ptr[0];\n b0_2 = b0_ptr[pitch];\n }\n if (num_bands > 1) {\n b1_1 = b1_ptr[back_pitch];\n b1_2 = b1_ptr[0];\n b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch];\n }\n if (num_bands > 2) {\n b2_2 = b2_ptr[0];\n b2_3 = b2_2;\n b2_5 = b2_ptr[pitch];\n b2_6 = b2_5;\n }\n if (num_bands > 3) {\n b3_2 = b3_ptr[back_pitch];\n b3_3 = b3_2;\n b3_5 = b3_ptr[0];\n b3_6 = b3_5;\n b3_8 = b3_2 - b3_5*6 + b3_ptr[pitch];\n b3_9 = b3_8;\n }\n for (x = 0, indx = 0; x < plane->width; x+=2, indx++) {\n b2_1 = b2_2;\n b2_2 = b2_3;\n b2_4 = b2_5;\n b2_5 = b2_6;\n b3_1 = b3_2;\n b3_2 = b3_3;\n b3_4 = b3_5;\n b3_5 = b3_6;\n b3_7 = b3_8;\n b3_8 = b3_9;\n p0 = p1 = p2 = p3 = 0;\n if (num_bands > 0) {\n tmp0 = b0_1;\n tmp2 = b0_2;\n b0_1 = b0_ptr[indx+1];\n b0_2 = b0_ptr[pitch+indx+1];\n tmp1 = tmp0 + b0_1;\n p0 = tmp0 << 4;\n p1 = tmp1 << 3;\n p2 = (tmp0 + tmp2) << 3;\n p3 = (tmp1 + tmp2 + b0_2) << 2;\n }\n if (num_bands > 1) {\n tmp0 = b1_2;\n tmp1 = b1_1;\n b1_2 = b1_ptr[indx+1];\n b1_1 = b1_ptr[back_pitch+indx+1];\n tmp2 = tmp1 - tmp0*6 + b1_3;\n b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch+indx+1];\n p0 += (tmp0 + tmp1) << 3;\n p1 += (tmp0 + tmp1 + b1_1 + b1_2) << 2;\n p2 += tmp2 << 2;\n p3 += (tmp2 + b1_3) << 1;\n }\n if (num_bands > 2) {\n b2_3 = b2_ptr[indx+1];\n b2_6 = b2_ptr[pitch+indx+1];\n tmp0 = b2_1 + b2_2;\n tmp1 = b2_1 - b2_2*6 + b2_3;\n p0 += tmp0 << 3;\n p1 += tmp1 << 2;\n p2 += (tmp0 + b2_4 + b2_5) << 2;\n p3 += (tmp1 + b2_4 - b2_5*6 + b2_6) << 1;\n }\n if (num_bands > 3) {\n b3_6 = b3_ptr[indx+1];\n b3_3 = b3_ptr[back_pitch+indx+1];\n tmp0 = b3_1 + b3_4;\n tmp1 = b3_2 + b3_5;\n tmp2 = b3_3 + b3_6;\n b3_9 = b3_3 - b3_6*6 + b3_ptr[pitch+indx+1];\n p0 += (tmp0 + tmp1) << 2;\n p1 += (tmp0 - tmp1*6 + tmp2) << 1;\n p2 += (b3_7 + b3_8) << 1;\n p3 += b3_7 - b3_8*6 + b3_9;\n }\n dst[x] = av_clip_uint8((p0 >> 6) + 128);\n dst[x+1] = av_clip_uint8((p1 >> 6) + 128);\n dst[dst_pitch+x] = av_clip_uint8((p2 >> 6) + 128);\n dst[dst_pitch+x+1] = av_clip_uint8((p3 >> 6) + 128);\n }\n dst += dst_pitch << 1;\n back_pitch = -pitch;\n b0_ptr += pitch;\n b1_ptr += pitch;\n b2_ptr += pitch;\n b3_ptr += pitch;\n }\n}'] |
21,440 | 0 | https://github.com/libav/libav/blob/f97cb4515626228620d7317191c4c32f14eb1a1b/libavcodec/error_resilience.c/#L479 | static void guess_mv(MpegEncContext *s)
{
uint8_t fixed[s->mb_stride * s->mb_height];
#define MV_FROZEN 3
#define MV_CHANGED 2
#define MV_UNCHANGED 1
const int mb_stride = s->mb_stride;
const int mb_width = s->mb_width;
const int mb_height = s->mb_height;
int i, depth, num_avail;
int mb_x, mb_y, mot_step, mot_stride;
set_mv_strides(s, &mot_step, &mot_stride);
num_avail = 0;
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
int f = 0;
int error = s->error_status_table[mb_xy];
if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))
f = MV_FROZEN;
if (!(error & ER_MV_ERROR))
f = MV_FROZEN;
fixed[mb_xy] = f;
if (f == MV_FROZEN)
num_avail++;
}
if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
num_avail <= mb_width / 2) {
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
const int mb_xy = mb_x + mb_y * s->mb_stride;
if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))
continue;
if (!(s->error_status_table[mb_xy] & ER_MV_ERROR))
continue;
s->mv_dir = s->last_picture.f.data[0] ? MV_DIR_FORWARD
: MV_DIR_BACKWARD;
s->mb_intra = 0;
s->mv_type = MV_TYPE_16X16;
s->mb_skipped = 0;
s->dsp.clear_blocks(s->block[0]);
s->mb_x = mb_x;
s->mb_y = mb_y;
s->mv[0][0][0] = 0;
s->mv[0][0][1] = 0;
decode_mb(s, 0);
}
}
return;
}
for (depth = 0; ; depth++) {
int changed, pass, none_left;
none_left = 1;
changed = 1;
for (pass = 0; (changed || pass < 2) && pass < 10; pass++) {
int mb_x, mb_y;
int score_sum = 0;
changed = 0;
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
const int mb_xy = mb_x + mb_y * s->mb_stride;
int mv_predictor[8][2] = { { 0 } };
int ref[8] = { 0 };
int pred_count = 0;
int j;
int best_score = 256 * 256 * 256 * 64;
int best_pred = 0;
const int mot_index = (mb_x + mb_y * mot_stride) * mot_step;
int prev_x, prev_y, prev_ref;
if ((mb_x ^ mb_y ^ pass) & 1)
continue;
if (fixed[mb_xy] == MV_FROZEN)
continue;
assert(!IS_INTRA(s->current_picture.f.mb_type[mb_xy]));
assert(s->last_picture_ptr && s->last_picture_ptr->f.data[0]);
j = 0;
if (mb_x > 0 && fixed[mb_xy - 1] == MV_FROZEN)
j = 1;
if (mb_x + 1 < mb_width && fixed[mb_xy + 1] == MV_FROZEN)
j = 1;
if (mb_y > 0 && fixed[mb_xy - mb_stride] == MV_FROZEN)
j = 1;
if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_FROZEN)
j = 1;
if (j == 0)
continue;
j = 0;
if (mb_x > 0 && fixed[mb_xy - 1 ] == MV_CHANGED)
j = 1;
if (mb_x + 1 < mb_width && fixed[mb_xy + 1 ] == MV_CHANGED)
j = 1;
if (mb_y > 0 && fixed[mb_xy - mb_stride] == MV_CHANGED)
j = 1;
if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_CHANGED)
j = 1;
if (j == 0 && pass > 1)
continue;
none_left = 0;
if (mb_x > 0 && fixed[mb_xy - 1]) {
mv_predictor[pred_count][0] =
s->current_picture.f.motion_val[0][mot_index - mot_step][0];
mv_predictor[pred_count][1] =
s->current_picture.f.motion_val[0][mot_index - mot_step][1];
ref[pred_count] =
s->current_picture.f.ref_index[0][4 * (mb_xy - 1)];
pred_count++;
}
if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {
mv_predictor[pred_count][0] =
s->current_picture.f.motion_val[0][mot_index + mot_step][0];
mv_predictor[pred_count][1] =
s->current_picture.f.motion_val[0][mot_index + mot_step][1];
ref[pred_count] =
s->current_picture.f.ref_index[0][4 * (mb_xy + 1)];
pred_count++;
}
if (mb_y > 0 && fixed[mb_xy - mb_stride]) {
mv_predictor[pred_count][0] =
s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][0];
mv_predictor[pred_count][1] =
s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][1];
ref[pred_count] =
s->current_picture.f.ref_index[0][4 * (mb_xy - s->mb_stride)];
pred_count++;
}
if (mb_y + 1<mb_height && fixed[mb_xy + mb_stride]) {
mv_predictor[pred_count][0] =
s->current_picture.f.motion_val[0][mot_index + mot_stride * mot_step][0];
mv_predictor[pred_count][1] =
s->current_picture.f.motion_val[0][mot_index + mot_stride * mot_step][1];
ref[pred_count] =
s->current_picture.f.ref_index[0][4 * (mb_xy + s->mb_stride)];
pred_count++;
}
if (pred_count == 0)
continue;
if (pred_count > 1) {
int sum_x = 0, sum_y = 0, sum_r = 0;
int max_x, max_y, min_x, min_y, max_r, min_r;
for (j = 0; j < pred_count; j++) {
sum_x += mv_predictor[j][0];
sum_y += mv_predictor[j][1];
sum_r += ref[j];
if (j && ref[j] != ref[j - 1])
goto skip_mean_and_median;
}
mv_predictor[pred_count][0] = sum_x / j;
mv_predictor[pred_count][1] = sum_y / j;
ref[pred_count] = sum_r / j;
if (pred_count >= 3) {
min_y = min_x = min_r = 99999;
max_y = max_x = max_r = -99999;
} else {
min_x = min_y = max_x = max_y = min_r = max_r = 0;
}
for (j = 0; j < pred_count; j++) {
max_x = FFMAX(max_x, mv_predictor[j][0]);
max_y = FFMAX(max_y, mv_predictor[j][1]);
max_r = FFMAX(max_r, ref[j]);
min_x = FFMIN(min_x, mv_predictor[j][0]);
min_y = FFMIN(min_y, mv_predictor[j][1]);
min_r = FFMIN(min_r, ref[j]);
}
mv_predictor[pred_count + 1][0] = sum_x - max_x - min_x;
mv_predictor[pred_count + 1][1] = sum_y - max_y - min_y;
ref[pred_count + 1] = sum_r - max_r - min_r;
if (pred_count == 4) {
mv_predictor[pred_count + 1][0] /= 2;
mv_predictor[pred_count + 1][1] /= 2;
ref[pred_count + 1] /= 2;
}
pred_count += 2;
}
skip_mean_and_median:
pred_count++;
if (!fixed[mb_xy]) {
if (s->avctx->codec_id == CODEC_ID_H264) {
} else {
ff_thread_await_progress((AVFrame *) s->last_picture_ptr,
mb_y, 0);
}
if (!s->last_picture.f.motion_val[0] ||
!s->last_picture.f.ref_index[0])
goto skip_last_mv;
prev_x = s->last_picture.f.motion_val[0][mot_index][0];
prev_y = s->last_picture.f.motion_val[0][mot_index][1];
prev_ref = s->last_picture.f.ref_index[0][4 * mb_xy];
} else {
prev_x = s->current_picture.f.motion_val[0][mot_index][0];
prev_y = s->current_picture.f.motion_val[0][mot_index][1];
prev_ref = s->current_picture.f.ref_index[0][4 * mb_xy];
}
mv_predictor[pred_count][0] = prev_x;
mv_predictor[pred_count][1] = prev_y;
ref[pred_count] = prev_ref;
pred_count++;
skip_last_mv:
s->mv_dir = MV_DIR_FORWARD;
s->mb_intra = 0;
s->mv_type = MV_TYPE_16X16;
s->mb_skipped = 0;
s->dsp.clear_blocks(s->block[0]);
s->mb_x = mb_x;
s->mb_y = mb_y;
for (j = 0; j < pred_count; j++) {
int score = 0;
uint8_t *src = s->current_picture.f.data[0] +
mb_x * 16 + mb_y * 16 * s->linesize;
s->current_picture.f.motion_val[0][mot_index][0] =
s->mv[0][0][0] = mv_predictor[j][0];
s->current_picture.f.motion_val[0][mot_index][1] =
s->mv[0][0][1] = mv_predictor[j][1];
if (ref[j] < 0)
continue;
decode_mb(s, ref[j]);
if (mb_x > 0 && fixed[mb_xy - 1]) {
int k;
for (k = 0; k < 16; k++)
score += FFABS(src[k * s->linesize - 1] -
src[k * s->linesize]);
}
if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {
int k;
for (k = 0; k < 16; k++)
score += FFABS(src[k * s->linesize + 15] -
src[k * s->linesize + 16]);
}
if (mb_y > 0 && fixed[mb_xy - mb_stride]) {
int k;
for (k = 0; k < 16; k++)
score += FFABS(src[k - s->linesize] - src[k]);
}
if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride]) {
int k;
for (k = 0; k < 16; k++)
score += FFABS(src[k + s->linesize * 15] -
src[k + s->linesize * 16]);
}
if (score <= best_score) {
best_score = score;
best_pred = j;
}
}
score_sum += best_score;
s->mv[0][0][0] = mv_predictor[best_pred][0];
s->mv[0][0][1] = mv_predictor[best_pred][1];
for (i = 0; i < mot_step; i++)
for (j = 0; j < mot_step; j++) {
s->current_picture.f.motion_val[0][mot_index + i + j * mot_stride][0] = s->mv[0][0][0];
s->current_picture.f.motion_val[0][mot_index + i + j * mot_stride][1] = s->mv[0][0][1];
}
decode_mb(s, ref[best_pred]);
if (s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y) {
fixed[mb_xy] = MV_CHANGED;
changed++;
} else
fixed[mb_xy] = MV_UNCHANGED;
}
}
}
if (none_left)
return;
for (i = 0; i < s->mb_num; i++) {
int mb_xy = s->mb_index2xy[i];
if (fixed[mb_xy])
fixed[mb_xy] = MV_FROZEN;
}
}
} | ['static void guess_mv(MpegEncContext *s)\n{\n uint8_t fixed[s->mb_stride * s->mb_height];\n#define MV_FROZEN 3\n#define MV_CHANGED 2\n#define MV_UNCHANGED 1\n const int mb_stride = s->mb_stride;\n const int mb_width = s->mb_width;\n const int mb_height = s->mb_height;\n int i, depth, num_avail;\n int mb_x, mb_y, mot_step, mot_stride;\n set_mv_strides(s, &mot_step, &mot_stride);\n num_avail = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n int f = 0;\n int error = s->error_status_table[mb_xy];\n if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n f = MV_FROZEN;\n if (!(error & ER_MV_ERROR))\n f = MV_FROZEN;\n fixed[mb_xy] = f;\n if (f == MV_FROZEN)\n num_avail++;\n }\n if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||\n num_avail <= mb_width / 2) {\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 const int mb_xy = mb_x + mb_y * s->mb_stride;\n if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n continue;\n if (!(s->error_status_table[mb_xy] & ER_MV_ERROR))\n continue;\n s->mv_dir = s->last_picture.f.data[0] ? MV_DIR_FORWARD\n : MV_DIR_BACKWARD;\n s->mb_intra = 0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped = 0;\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x = mb_x;\n s->mb_y = mb_y;\n s->mv[0][0][0] = 0;\n s->mv[0][0][1] = 0;\n decode_mb(s, 0);\n }\n }\n return;\n }\n for (depth = 0; ; depth++) {\n int changed, pass, none_left;\n none_left = 1;\n changed = 1;\n for (pass = 0; (changed || pass < 2) && pass < 10; pass++) {\n int mb_x, mb_y;\n int score_sum = 0;\n changed = 0;\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 const int mb_xy = mb_x + mb_y * s->mb_stride;\n int mv_predictor[8][2] = { { 0 } };\n int ref[8] = { 0 };\n int pred_count = 0;\n int j;\n int best_score = 256 * 256 * 256 * 64;\n int best_pred = 0;\n const int mot_index = (mb_x + mb_y * mot_stride) * mot_step;\n int prev_x, prev_y, prev_ref;\n if ((mb_x ^ mb_y ^ pass) & 1)\n continue;\n if (fixed[mb_xy] == MV_FROZEN)\n continue;\n assert(!IS_INTRA(s->current_picture.f.mb_type[mb_xy]));\n assert(s->last_picture_ptr && s->last_picture_ptr->f.data[0]);\n j = 0;\n if (mb_x > 0 && fixed[mb_xy - 1] == MV_FROZEN)\n j = 1;\n if (mb_x + 1 < mb_width && fixed[mb_xy + 1] == MV_FROZEN)\n j = 1;\n if (mb_y > 0 && fixed[mb_xy - mb_stride] == MV_FROZEN)\n j = 1;\n if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_FROZEN)\n j = 1;\n if (j == 0)\n continue;\n j = 0;\n if (mb_x > 0 && fixed[mb_xy - 1 ] == MV_CHANGED)\n j = 1;\n if (mb_x + 1 < mb_width && fixed[mb_xy + 1 ] == MV_CHANGED)\n j = 1;\n if (mb_y > 0 && fixed[mb_xy - mb_stride] == MV_CHANGED)\n j = 1;\n if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_CHANGED)\n j = 1;\n if (j == 0 && pass > 1)\n continue;\n none_left = 0;\n if (mb_x > 0 && fixed[mb_xy - 1]) {\n mv_predictor[pred_count][0] =\n s->current_picture.f.motion_val[0][mot_index - mot_step][0];\n mv_predictor[pred_count][1] =\n s->current_picture.f.motion_val[0][mot_index - mot_step][1];\n ref[pred_count] =\n s->current_picture.f.ref_index[0][4 * (mb_xy - 1)];\n pred_count++;\n }\n if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {\n mv_predictor[pred_count][0] =\n s->current_picture.f.motion_val[0][mot_index + mot_step][0];\n mv_predictor[pred_count][1] =\n s->current_picture.f.motion_val[0][mot_index + mot_step][1];\n ref[pred_count] =\n s->current_picture.f.ref_index[0][4 * (mb_xy + 1)];\n pred_count++;\n }\n if (mb_y > 0 && fixed[mb_xy - mb_stride]) {\n mv_predictor[pred_count][0] =\n s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][0];\n mv_predictor[pred_count][1] =\n s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][1];\n ref[pred_count] =\n s->current_picture.f.ref_index[0][4 * (mb_xy - s->mb_stride)];\n pred_count++;\n }\n if (mb_y + 1<mb_height && fixed[mb_xy + mb_stride]) {\n mv_predictor[pred_count][0] =\n s->current_picture.f.motion_val[0][mot_index + mot_stride * mot_step][0];\n mv_predictor[pred_count][1] =\n s->current_picture.f.motion_val[0][mot_index + mot_stride * mot_step][1];\n ref[pred_count] =\n s->current_picture.f.ref_index[0][4 * (mb_xy + s->mb_stride)];\n pred_count++;\n }\n if (pred_count == 0)\n continue;\n if (pred_count > 1) {\n int sum_x = 0, sum_y = 0, sum_r = 0;\n int max_x, max_y, min_x, min_y, max_r, min_r;\n for (j = 0; j < pred_count; j++) {\n sum_x += mv_predictor[j][0];\n sum_y += mv_predictor[j][1];\n sum_r += ref[j];\n if (j && ref[j] != ref[j - 1])\n goto skip_mean_and_median;\n }\n mv_predictor[pred_count][0] = sum_x / j;\n mv_predictor[pred_count][1] = sum_y / j;\n ref[pred_count] = sum_r / j;\n if (pred_count >= 3) {\n min_y = min_x = min_r = 99999;\n max_y = max_x = max_r = -99999;\n } else {\n min_x = min_y = max_x = max_y = min_r = max_r = 0;\n }\n for (j = 0; j < pred_count; j++) {\n max_x = FFMAX(max_x, mv_predictor[j][0]);\n max_y = FFMAX(max_y, mv_predictor[j][1]);\n max_r = FFMAX(max_r, ref[j]);\n min_x = FFMIN(min_x, mv_predictor[j][0]);\n min_y = FFMIN(min_y, mv_predictor[j][1]);\n min_r = FFMIN(min_r, ref[j]);\n }\n mv_predictor[pred_count + 1][0] = sum_x - max_x - min_x;\n mv_predictor[pred_count + 1][1] = sum_y - max_y - min_y;\n ref[pred_count + 1] = sum_r - max_r - min_r;\n if (pred_count == 4) {\n mv_predictor[pred_count + 1][0] /= 2;\n mv_predictor[pred_count + 1][1] /= 2;\n ref[pred_count + 1] /= 2;\n }\n pred_count += 2;\n }\nskip_mean_and_median:\n pred_count++;\n if (!fixed[mb_xy]) {\n if (s->avctx->codec_id == CODEC_ID_H264) {\n } else {\n ff_thread_await_progress((AVFrame *) s->last_picture_ptr,\n mb_y, 0);\n }\n if (!s->last_picture.f.motion_val[0] ||\n !s->last_picture.f.ref_index[0])\n goto skip_last_mv;\n prev_x = s->last_picture.f.motion_val[0][mot_index][0];\n prev_y = s->last_picture.f.motion_val[0][mot_index][1];\n prev_ref = s->last_picture.f.ref_index[0][4 * mb_xy];\n } else {\n prev_x = s->current_picture.f.motion_val[0][mot_index][0];\n prev_y = s->current_picture.f.motion_val[0][mot_index][1];\n prev_ref = s->current_picture.f.ref_index[0][4 * mb_xy];\n }\n mv_predictor[pred_count][0] = prev_x;\n mv_predictor[pred_count][1] = prev_y;\n ref[pred_count] = prev_ref;\n pred_count++;\nskip_last_mv:\n s->mv_dir = MV_DIR_FORWARD;\n s->mb_intra = 0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped = 0;\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x = mb_x;\n s->mb_y = mb_y;\n for (j = 0; j < pred_count; j++) {\n int score = 0;\n uint8_t *src = s->current_picture.f.data[0] +\n mb_x * 16 + mb_y * 16 * s->linesize;\n s->current_picture.f.motion_val[0][mot_index][0] =\n s->mv[0][0][0] = mv_predictor[j][0];\n s->current_picture.f.motion_val[0][mot_index][1] =\n s->mv[0][0][1] = mv_predictor[j][1];\n if (ref[j] < 0)\n continue;\n decode_mb(s, ref[j]);\n if (mb_x > 0 && fixed[mb_xy - 1]) {\n int k;\n for (k = 0; k < 16; k++)\n score += FFABS(src[k * s->linesize - 1] -\n src[k * s->linesize]);\n }\n if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {\n int k;\n for (k = 0; k < 16; k++)\n score += FFABS(src[k * s->linesize + 15] -\n src[k * s->linesize + 16]);\n }\n if (mb_y > 0 && fixed[mb_xy - mb_stride]) {\n int k;\n for (k = 0; k < 16; k++)\n score += FFABS(src[k - s->linesize] - src[k]);\n }\n if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride]) {\n int k;\n for (k = 0; k < 16; k++)\n score += FFABS(src[k + s->linesize * 15] -\n src[k + s->linesize * 16]);\n }\n if (score <= best_score) {\n best_score = score;\n best_pred = j;\n }\n }\n score_sum += best_score;\n s->mv[0][0][0] = mv_predictor[best_pred][0];\n s->mv[0][0][1] = mv_predictor[best_pred][1];\n for (i = 0; i < mot_step; i++)\n for (j = 0; j < mot_step; j++) {\n s->current_picture.f.motion_val[0][mot_index + i + j * mot_stride][0] = s->mv[0][0][0];\n s->current_picture.f.motion_val[0][mot_index + i + j * mot_stride][1] = s->mv[0][0][1];\n }\n decode_mb(s, ref[best_pred]);\n if (s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y) {\n fixed[mb_xy] = MV_CHANGED;\n changed++;\n } else\n fixed[mb_xy] = MV_UNCHANGED;\n }\n }\n }\n if (none_left)\n return;\n for (i = 0; i < s->mb_num; i++) {\n int mb_xy = s->mb_index2xy[i];\n if (fixed[mb_xy])\n fixed[mb_xy] = MV_FROZEN;\n }\n }\n}'] |
21,441 | 0 | https://github.com/openssl/openssl/blob/27a3d9f9aa1ca6137ffd13a23775709c6f1ef567/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int\tBN_GF2m_mod_exp_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const int p[], BN_CTX *ctx)\n\t{\n\tint ret = 0, i, n;\n\tBIGNUM *u;\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (BN_is_zero(b))\n\t\treturn(BN_one(r));\n\tif (BN_abs_is_word(b, 1))\n\t\treturn (BN_copy(r, a) != NULL);\n\tBN_CTX_start(ctx);\n\tif ((u = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (!BN_GF2m_mod_arr(u, a, p)) goto err;\n\tn = BN_num_bits(b) - 1;\n\tfor (i = n - 1; i >= 0; i--)\n\t\t{\n\t\tif (!BN_GF2m_mod_sqr_arr(u, u, p, ctx)) goto err;\n\t\tif (BN_is_bit_set(b, i))\n\t\t\t{\n\t\t\tif (!BN_GF2m_mod_mul_arr(u, u, a, p, ctx)) goto err;\n\t\t\t}\n\t\t}\n\tif (!BN_copy(r, u)) 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}', 'int\tBN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[], BN_CTX *ctx)\n\t{\n\tint i, ret = 0;\n\tBIGNUM *s;\n\tbn_check_top(a);\n\tBN_CTX_start(ctx);\n\tif ((s = BN_CTX_get(ctx)) == NULL) return 0;\n\tif (!bn_wexpand(s, 2 * a->top)) goto err;\n\tfor (i = a->top - 1; i >= 0; i--)\n\t\t{\n\t\ts->d[2*i+1] = SQR1(a->d[i]);\n\t\ts->d[2*i ] = SQR0(a->d[i]);\n\t\t}\n\ts->top = 2 * a->top;\n\tbn_correct_top(s);\n\tif (!BN_GF2m_mod_arr(r, s, p)) goto err;\n\tbn_check_top(r);\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'int\tBN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const int p[], BN_CTX *ctx)\n\t{\n\tint zlen, i, j, k, ret = 0;\n\tBIGNUM *s;\n\tBN_ULONG x1, x0, y1, y0, zz[4];\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (a == b)\n\t\t{\n\t\treturn BN_GF2m_mod_sqr_arr(r, a, p, ctx);\n\t\t}\n\tBN_CTX_start(ctx);\n\tif ((s = BN_CTX_get(ctx)) == NULL) goto err;\n\tzlen = a->top + b->top + 4;\n\tif (!bn_wexpand(s, zlen)) goto err;\n\ts->top = zlen;\n\tfor (i = 0; i < zlen; i++) s->d[i] = 0;\n\tfor (j = 0; j < b->top; j += 2)\n\t\t{\n\t\ty0 = b->d[j];\n\t\ty1 = ((j+1) == b->top) ? 0 : b->d[j+1];\n\t\tfor (i = 0; i < a->top; i += 2)\n\t\t\t{\n\t\t\tx0 = a->d[i];\n\t\t\tx1 = ((i+1) == a->top) ? 0 : a->d[i+1];\n\t\t\tbn_GF2m_mul_2x2(zz, x1, x0, y1, y0);\n\t\t\tfor (k = 0; k < 4; k++) s->d[i+j+k] ^= zz[k];\n\t\t\t}\n\t\t}\n\tbn_correct_top(s);\n\tif (BN_GF2m_mod_arr(r, s, p))\n\t\tret = 1;\n\tbn_check_top(r);\nerr:\n\tBN_CTX_end(ctx);\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 unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
21,442 | 0 | https://github.com/openssl/openssl/blob/2234212c3dde887e0b7fa08277d035cd132e2cce/apps/pkeyutl.c/#L281 | int pkeyutl_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
ENGINE *e = NULL;
EVP_PKEY_CTX *ctx = NULL;
char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL;
char hexdump = 0, asn1parse = 0, rev = 0, *prog;
unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
OPTION_CHOICE o;
int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform =
FORMAT_PEM;
int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
int engine_impl = 0;
int ret = 1, rv = -1;
size_t buf_outlen;
const char *inkey = NULL;
const char *peerkey = NULL;
const char *kdfalg = NULL;
int kdflen = 0;
STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
prog = opt_init(argc, argv, pkeyutl_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(pkeyutl_options);
ret = 0;
goto end;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_SIGFILE:
sigfile = opt_arg();
break;
case OPT_ENGINE_IMPL:
engine_impl = 1;
break;
case OPT_INKEY:
inkey = opt_arg();
break;
case OPT_PEERKEY:
peerkey = opt_arg();
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_PEERFORM:
if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform))
goto opthelp;
break;
case OPT_KEYFORM:
if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform))
goto opthelp;
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_PUBIN:
key_type = KEY_PUBKEY;
break;
case OPT_CERTIN:
key_type = KEY_CERT;
break;
case OPT_ASN1PARSE:
asn1parse = 1;
break;
case OPT_HEXDUMP:
hexdump = 1;
break;
case OPT_SIGN:
pkey_op = EVP_PKEY_OP_SIGN;
break;
case OPT_VERIFY:
pkey_op = EVP_PKEY_OP_VERIFY;
break;
case OPT_VERIFYRECOVER:
pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
break;
case OPT_ENCRYPT:
pkey_op = EVP_PKEY_OP_ENCRYPT;
break;
case OPT_DECRYPT:
pkey_op = EVP_PKEY_OP_DECRYPT;
break;
case OPT_DERIVE:
pkey_op = EVP_PKEY_OP_DERIVE;
break;
case OPT_KDF:
pkey_op = EVP_PKEY_OP_DERIVE;
key_type = KEY_NONE;
kdfalg = opt_arg();
break;
case OPT_KDFLEN:
kdflen = atoi(opt_arg());
break;
case OPT_REV:
rev = 1;
break;
case OPT_PKEYOPT:
if ((pkeyopts == NULL &&
(pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) ||
sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) {
BIO_puts(bio_err, "out of memory\n");
goto end;
}
break;
}
}
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
if (kdfalg != NULL) {
if (kdflen == 0)
goto opthelp;
} else if ((inkey == NULL)
|| (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE)) {
goto opthelp;
}
ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type,
passinarg, pkey_op, e, engine_impl);
if (ctx == NULL) {
BIO_printf(bio_err, "%s: Error initializing context\n", prog);
ERR_print_errors(bio_err);
goto end;
}
if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) {
BIO_printf(bio_err, "%s: Error setting up peer key\n", prog);
ERR_print_errors(bio_err);
goto end;
}
if (pkeyopts != NULL) {
int num = sk_OPENSSL_STRING_num(pkeyopts);
int i;
for (i = 0; i < num; ++i) {
const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i);
if (pkey_ctrl_string(ctx, opt) <= 0) {
BIO_printf(bio_err, "%s: Can't set parameter:\n", prog);
ERR_print_errors(bio_err);
goto end;
}
}
}
if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) {
BIO_printf(bio_err,
"%s: Signature file specified for non verify\n", prog);
goto end;
}
if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) {
BIO_printf(bio_err,
"%s: No signature file specified for verify\n", prog);
goto end;
}
app_RAND_load_file(NULL, 0);
if (pkey_op != EVP_PKEY_OP_DERIVE) {
in = bio_open_default(infile, 'r', FORMAT_BINARY);
if (in == NULL)
goto end;
}
out = bio_open_default(outfile, 'w', FORMAT_BINARY);
if (out == NULL)
goto end;
if (sigfile != NULL) {
BIO *sigbio = BIO_new_file(sigfile, "rb");
if (sigbio == NULL) {
BIO_printf(bio_err, "Can't open signature file %s\n", sigfile);
goto end;
}
siglen = bio_to_mem(&sig, keysize * 10, sigbio);
BIO_free(sigbio);
if (siglen < 0) {
BIO_printf(bio_err, "Error reading signature data\n");
goto end;
}
}
if (in != NULL) {
buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
if (buf_inlen < 0) {
BIO_printf(bio_err, "Error reading input Data\n");
exit(1);
}
if (rev) {
size_t i;
unsigned char ctmp;
size_t l = (size_t)buf_inlen;
for (i = 0; i < l / 2; i++) {
ctmp = buf_in[i];
buf_in[i] = buf_in[l - 1 - i];
buf_in[l - 1 - i] = ctmp;
}
}
}
if (pkey_op == EVP_PKEY_OP_VERIFY) {
rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
buf_in, (size_t)buf_inlen);
if (rv == 1) {
BIO_puts(out, "Signature Verified Successfully\n");
ret = 0;
} else {
BIO_puts(out, "Signature Verification Failure\n");
}
goto end;
}
if (kdflen != 0) {
buf_outlen = kdflen;
rv = 1;
} else {
rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
buf_in, (size_t)buf_inlen);
}
if (rv > 0 && buf_outlen != 0) {
buf_out = app_malloc(buf_outlen, "buffer output");
rv = do_keyop(ctx, pkey_op,
buf_out, (size_t *)&buf_outlen,
buf_in, (size_t)buf_inlen);
}
if (rv <= 0) {
BIO_puts(bio_err, "Public Key operation error\n");
ERR_print_errors(bio_err);
goto end;
}
ret = 0;
if (asn1parse) {
if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
ERR_print_errors(bio_err);
} else if (hexdump) {
BIO_dump(out, (char *)buf_out, buf_outlen);
} else {
BIO_write(out, buf_out, buf_outlen);
}
end:
EVP_PKEY_CTX_free(ctx);
release_engine(e);
BIO_free(in);
BIO_free_all(out);
OPENSSL_free(buf_in);
OPENSSL_free(buf_out);
OPENSSL_free(sig);
sk_OPENSSL_STRING_free(pkeyopts);
return ret;
} | ['int pkeyutl_main(int argc, char **argv)\n{\n BIO *in = NULL, *out = NULL;\n ENGINE *e = NULL;\n EVP_PKEY_CTX *ctx = NULL;\n char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL;\n char hexdump = 0, asn1parse = 0, rev = 0, *prog;\n unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;\n OPTION_CHOICE o;\n int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform =\n FORMAT_PEM;\n int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;\n int engine_impl = 0;\n int ret = 1, rv = -1;\n size_t buf_outlen;\n const char *inkey = NULL;\n const char *peerkey = NULL;\n const char *kdfalg = NULL;\n int kdflen = 0;\n STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;\n prog = opt_init(argc, argv, pkeyutl_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(pkeyutl_options);\n ret = 0;\n goto end;\n case OPT_IN:\n infile = opt_arg();\n break;\n case OPT_OUT:\n outfile = opt_arg();\n break;\n case OPT_SIGFILE:\n sigfile = opt_arg();\n break;\n case OPT_ENGINE_IMPL:\n engine_impl = 1;\n break;\n case OPT_INKEY:\n inkey = opt_arg();\n break;\n case OPT_PEERKEY:\n peerkey = opt_arg();\n break;\n case OPT_PASSIN:\n passinarg = opt_arg();\n break;\n case OPT_PEERFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform))\n goto opthelp;\n break;\n case OPT_KEYFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform))\n goto opthelp;\n break;\n case OPT_ENGINE:\n e = setup_engine(opt_arg(), 0);\n break;\n case OPT_PUBIN:\n key_type = KEY_PUBKEY;\n break;\n case OPT_CERTIN:\n key_type = KEY_CERT;\n break;\n case OPT_ASN1PARSE:\n asn1parse = 1;\n break;\n case OPT_HEXDUMP:\n hexdump = 1;\n break;\n case OPT_SIGN:\n pkey_op = EVP_PKEY_OP_SIGN;\n break;\n case OPT_VERIFY:\n pkey_op = EVP_PKEY_OP_VERIFY;\n break;\n case OPT_VERIFYRECOVER:\n pkey_op = EVP_PKEY_OP_VERIFYRECOVER;\n break;\n case OPT_ENCRYPT:\n pkey_op = EVP_PKEY_OP_ENCRYPT;\n break;\n case OPT_DECRYPT:\n pkey_op = EVP_PKEY_OP_DECRYPT;\n break;\n case OPT_DERIVE:\n pkey_op = EVP_PKEY_OP_DERIVE;\n break;\n case OPT_KDF:\n pkey_op = EVP_PKEY_OP_DERIVE;\n key_type = KEY_NONE;\n kdfalg = opt_arg();\n break;\n case OPT_KDFLEN:\n kdflen = atoi(opt_arg());\n break;\n case OPT_REV:\n rev = 1;\n break;\n case OPT_PKEYOPT:\n if ((pkeyopts == NULL &&\n (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) ||\n sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) {\n BIO_puts(bio_err, "out of memory\\n");\n goto end;\n }\n break;\n }\n }\n argc = opt_num_rest();\n if (argc != 0)\n goto opthelp;\n if (kdfalg != NULL) {\n if (kdflen == 0)\n goto opthelp;\n } else if ((inkey == NULL)\n || (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE)) {\n goto opthelp;\n }\n ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type,\n passinarg, pkey_op, e, engine_impl);\n if (ctx == NULL) {\n BIO_printf(bio_err, "%s: Error initializing context\\n", prog);\n ERR_print_errors(bio_err);\n goto end;\n }\n if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) {\n BIO_printf(bio_err, "%s: Error setting up peer key\\n", prog);\n ERR_print_errors(bio_err);\n goto end;\n }\n if (pkeyopts != NULL) {\n int num = sk_OPENSSL_STRING_num(pkeyopts);\n int i;\n for (i = 0; i < num; ++i) {\n const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i);\n if (pkey_ctrl_string(ctx, opt) <= 0) {\n BIO_printf(bio_err, "%s: Can\'t set parameter:\\n", prog);\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n }\n if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) {\n BIO_printf(bio_err,\n "%s: Signature file specified for non verify\\n", prog);\n goto end;\n }\n if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) {\n BIO_printf(bio_err,\n "%s: No signature file specified for verify\\n", prog);\n goto end;\n }\n app_RAND_load_file(NULL, 0);\n if (pkey_op != EVP_PKEY_OP_DERIVE) {\n in = bio_open_default(infile, \'r\', FORMAT_BINARY);\n if (in == NULL)\n goto end;\n }\n out = bio_open_default(outfile, \'w\', FORMAT_BINARY);\n if (out == NULL)\n goto end;\n if (sigfile != NULL) {\n BIO *sigbio = BIO_new_file(sigfile, "rb");\n if (sigbio == NULL) {\n BIO_printf(bio_err, "Can\'t open signature file %s\\n", sigfile);\n goto end;\n }\n siglen = bio_to_mem(&sig, keysize * 10, sigbio);\n BIO_free(sigbio);\n if (siglen < 0) {\n BIO_printf(bio_err, "Error reading signature data\\n");\n goto end;\n }\n }\n if (in != NULL) {\n buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);\n if (buf_inlen < 0) {\n BIO_printf(bio_err, "Error reading input Data\\n");\n exit(1);\n }\n if (rev) {\n size_t i;\n unsigned char ctmp;\n size_t l = (size_t)buf_inlen;\n for (i = 0; i < l / 2; i++) {\n ctmp = buf_in[i];\n buf_in[i] = buf_in[l - 1 - i];\n buf_in[l - 1 - i] = ctmp;\n }\n }\n }\n if (pkey_op == EVP_PKEY_OP_VERIFY) {\n rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,\n buf_in, (size_t)buf_inlen);\n if (rv == 1) {\n BIO_puts(out, "Signature Verified Successfully\\n");\n ret = 0;\n } else {\n BIO_puts(out, "Signature Verification Failure\\n");\n }\n goto end;\n }\n if (kdflen != 0) {\n buf_outlen = kdflen;\n rv = 1;\n } else {\n rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,\n buf_in, (size_t)buf_inlen);\n }\n if (rv > 0 && buf_outlen != 0) {\n buf_out = app_malloc(buf_outlen, "buffer output");\n rv = do_keyop(ctx, pkey_op,\n buf_out, (size_t *)&buf_outlen,\n buf_in, (size_t)buf_inlen);\n }\n if (rv <= 0) {\n BIO_puts(bio_err, "Public Key operation error\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n ret = 0;\n if (asn1parse) {\n if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))\n ERR_print_errors(bio_err);\n } else if (hexdump) {\n BIO_dump(out, (char *)buf_out, buf_outlen);\n } else {\n BIO_write(out, buf_out, buf_outlen);\n }\n end:\n EVP_PKEY_CTX_free(ctx);\n release_engine(e);\n BIO_free(in);\n BIO_free_all(out);\n OPENSSL_free(buf_in);\n OPENSSL_free(buf_out);\n OPENSSL_free(sig);\n sk_OPENSSL_STRING_free(pkeyopts);\n return ret;\n}', 'int bio_to_mem(unsigned char **out, int maxlen, BIO *in)\n{\n BIO *mem;\n int len, ret;\n unsigned char tbuf[1024];\n mem = BIO_new(BIO_s_mem());\n if (mem == NULL)\n return -1;\n for (;;) {\n if ((maxlen != -1) && maxlen < 1024)\n len = maxlen;\n else\n len = 1024;\n len = BIO_read(in, tbuf, len);\n if (len < 0) {\n BIO_free(mem);\n return -1;\n }\n if (len == 0)\n break;\n if (BIO_write(mem, tbuf, len) != len) {\n BIO_free(mem);\n return -1;\n }\n maxlen -= len;\n if (maxlen == 0)\n break;\n }\n ret = BIO_get_mem_data(mem, (char **)out);\n BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);\n BIO_free(mem);\n return ret;\n}'] |
21,443 | 0 | https://github.com/nginx/nginx/blob/70f7141074896fb1ff3e5fc08407ea0f64f2076b/src/core/ngx_sha1.c/#L225 | static const u_char *
ngx_sha1_body(ngx_sha1_t *ctx, const u_char *data, size_t size)
{
uint32_t a, b, c, d, e, temp;
uint32_t saved_a, saved_b, saved_c, saved_d, saved_e;
uint32_t words[80];
ngx_uint_t i;
const u_char *p;
p = data;
a = ctx->a;
b = ctx->b;
c = ctx->c;
d = ctx->d;
e = ctx->e;
do {
saved_a = a;
saved_b = b;
saved_c = c;
saved_d = d;
saved_e = e;
for (i = 0; i < 16; i++) {
words[i] = GET(i);
}
for (i = 16; i < 80; i++) {
words[i] = ROTATE(1, words[i - 3] ^ words[i - 8] ^ words[i - 14]
^ words[i - 16]);
}
STEP(F1, a, b, c, d, e, words[0], 0x5a827999);
STEP(F1, a, b, c, d, e, words[1], 0x5a827999);
STEP(F1, a, b, c, d, e, words[2], 0x5a827999);
STEP(F1, a, b, c, d, e, words[3], 0x5a827999);
STEP(F1, a, b, c, d, e, words[4], 0x5a827999);
STEP(F1, a, b, c, d, e, words[5], 0x5a827999);
STEP(F1, a, b, c, d, e, words[6], 0x5a827999);
STEP(F1, a, b, c, d, e, words[7], 0x5a827999);
STEP(F1, a, b, c, d, e, words[8], 0x5a827999);
STEP(F1, a, b, c, d, e, words[9], 0x5a827999);
STEP(F1, a, b, c, d, e, words[10], 0x5a827999);
STEP(F1, a, b, c, d, e, words[11], 0x5a827999);
STEP(F1, a, b, c, d, e, words[12], 0x5a827999);
STEP(F1, a, b, c, d, e, words[13], 0x5a827999);
STEP(F1, a, b, c, d, e, words[14], 0x5a827999);
STEP(F1, a, b, c, d, e, words[15], 0x5a827999);
STEP(F1, a, b, c, d, e, words[16], 0x5a827999);
STEP(F1, a, b, c, d, e, words[17], 0x5a827999);
STEP(F1, a, b, c, d, e, words[18], 0x5a827999);
STEP(F1, a, b, c, d, e, words[19], 0x5a827999);
STEP(F2, a, b, c, d, e, words[20], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[21], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[22], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[23], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[24], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[25], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[26], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[27], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[28], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[29], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[30], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[31], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[32], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[33], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[34], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[35], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[36], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[37], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[38], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[39], 0x6ed9eba1);
STEP(F3, a, b, c, d, e, words[40], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[41], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[42], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[43], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[44], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[50], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[51], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[52], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[53], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[54], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[55], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[56], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[57], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[58], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[59], 0x8f1bbcdc);
STEP(F2, a, b, c, d, e, words[60], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[61], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[62], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[63], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[64], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[70], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[76], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[77], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[78], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[79], 0xca62c1d6);
a += saved_a;
b += saved_b;
c += saved_c;
d += saved_d;
e += saved_e;
p += 64;
} while (size -= 64);
ctx->a = a;
ctx->b = b;
ctx->c = c;
ctx->d = d;
ctx->e = e;
return p;
} | ['static const u_char *\nngx_sha1_body(ngx_sha1_t *ctx, const u_char *data, size_t size)\n{\n uint32_t a, b, c, d, e, temp;\n uint32_t saved_a, saved_b, saved_c, saved_d, saved_e;\n uint32_t words[80];\n ngx_uint_t i;\n const u_char *p;\n p = data;\n a = ctx->a;\n b = ctx->b;\n c = ctx->c;\n d = ctx->d;\n e = ctx->e;\n do {\n saved_a = a;\n saved_b = b;\n saved_c = c;\n saved_d = d;\n saved_e = e;\n for (i = 0; i < 16; i++) {\n words[i] = GET(i);\n }\n for (i = 16; i < 80; i++) {\n words[i] = ROTATE(1, words[i - 3] ^ words[i - 8] ^ words[i - 14]\n ^ words[i - 16]);\n }\n STEP(F1, a, b, c, d, e, words[0], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[1], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[2], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[3], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[4], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[5], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[6], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[7], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[8], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[9], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[10], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[11], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[12], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[13], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[14], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[15], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[16], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[17], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[18], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[19], 0x5a827999);\n STEP(F2, a, b, c, d, e, words[20], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[21], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[22], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[23], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[24], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[25], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[26], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[27], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[28], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[29], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[30], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[31], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[32], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[33], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[34], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[35], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[36], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[37], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[38], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[39], 0x6ed9eba1);\n STEP(F3, a, b, c, d, e, words[40], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[41], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[42], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[43], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[44], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[50], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[51], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[52], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[53], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[54], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[55], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[56], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[57], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[58], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[59], 0x8f1bbcdc);\n STEP(F2, a, b, c, d, e, words[60], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[61], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[62], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[63], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[64], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[70], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[76], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[77], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[78], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[79], 0xca62c1d6);\n a += saved_a;\n b += saved_b;\n c += saved_c;\n d += saved_d;\n e += saved_e;\n p += 64;\n } while (size -= 64);\n ctx->a = a;\n ctx->b = b;\n ctx->c = c;\n ctx->d = d;\n ctx->e = e;\n return p;\n}'] |
21,444 | 0 | https://github.com/openssl/openssl/blob/a8140a42f5ee9e4e1423b5b6b319dc4657659f6f/crypto/bn/bn_conv.c/#L141 | int BN_hex2bn(BIGNUM **bn, const char *a)
{
BIGNUM *ret = NULL;
BN_ULONG l = 0;
int neg = 0, h, m, i, j, k, c;
int num;
if (a == NULL || *a == '\0')
return 0;
if (*a == '-') {
neg = 1;
a++;
}
for (i = 0; i <= INT_MAX / 4 && ossl_isxdigit(a[i]); i++)
continue;
if (i == 0 || i > INT_MAX / 4)
goto err;
num = i + neg;
if (bn == NULL)
return num;
if (*bn == NULL) {
if ((ret = BN_new()) == NULL)
return 0;
} else {
ret = *bn;
BN_zero(ret);
}
if (bn_expand(ret, i * 4) == NULL)
goto err;
j = i;
m = 0;
h = 0;
while (j > 0) {
m = (BN_BYTES * 2 <= j) ? BN_BYTES * 2 : j;
l = 0;
for (;;) {
c = a[j - m];
k = OPENSSL_hexchar2int(c);
if (k < 0)
k = 0;
l = (l << 4) | k;
if (--m <= 0) {
ret->d[h++] = l;
break;
}
}
j -= BN_BYTES * 2;
}
ret->top = h;
bn_correct_top(ret);
*bn = ret;
bn_check_top(ret);
if (ret->top != 0)
ret->neg = neg;
return num;
err:
if (*bn == NULL)
BN_free(ret);
return 0;
} | ['static int test_asc2bn(void)\n{\n BIGNUM *bn = NULL;\n int st = 0;\n if (!TEST_ptr(bn = BN_new()))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "0"))\n || !TEST_BN_eq_zero(bn)\n || !TEST_BN_ge_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "256"))\n || !TEST_BN_eq_word(bn, 256)\n || !TEST_BN_ge_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "-42"))\n || !TEST_BN_abs_eq_word(bn, 42)\n || !TEST_BN_lt_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "0x1234"))\n || !TEST_BN_eq_word(bn, 0x1234)\n || !TEST_BN_ge_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "0X1234"))\n || !TEST_BN_eq_word(bn, 0x1234)\n || !TEST_BN_ge_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "-0xabcd"))\n || !TEST_BN_abs_eq_word(bn, 0xabcd)\n || !TEST_BN_lt_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "-0"))\n || !TEST_BN_eq_zero(bn)\n || !TEST_BN_ge_zero(bn))\n goto err;\n if (!TEST_true(BN_asc2bn(&bn, "123trailing garbage is ignored"))\n || !TEST_BN_eq_word(bn, 123)\n || !TEST_BN_ge_zero(bn))\n goto err;\n st = 1;\n err:\n BN_free(bn);\n return st;\n}', "int BN_asc2bn(BIGNUM **bn, const char *a)\n{\n const char *p = a;\n if (*p == '-')\n p++;\n if (p[0] == '0' && (p[1] == 'X' || p[1] == 'x')) {\n if (!BN_hex2bn(bn, p + 2))\n return 0;\n } else {\n if (!BN_dec2bn(bn, p))\n return 0;\n }\n if (*a == '-' && (*bn)->top != 0)\n (*bn)->neg = 1;\n return 1;\n}", "int BN_hex2bn(BIGNUM **bn, const char *a)\n{\n BIGNUM *ret = NULL;\n BN_ULONG l = 0;\n int neg = 0, h, m, i, j, k, c;\n int num;\n if (a == NULL || *a == '\\0')\n return 0;\n if (*a == '-') {\n neg = 1;\n a++;\n }\n for (i = 0; i <= INT_MAX / 4 && ossl_isxdigit(a[i]); i++)\n continue;\n if (i == 0 || i > INT_MAX / 4)\n goto err;\n num = i + neg;\n if (bn == NULL)\n return num;\n if (*bn == NULL) {\n if ((ret = BN_new()) == NULL)\n return 0;\n } else {\n ret = *bn;\n BN_zero(ret);\n }\n if (bn_expand(ret, i * 4) == NULL)\n goto err;\n j = i;\n m = 0;\n h = 0;\n while (j > 0) {\n m = (BN_BYTES * 2 <= j) ? BN_BYTES * 2 : j;\n l = 0;\n for (;;) {\n c = a[j - m];\n k = OPENSSL_hexchar2int(c);\n if (k < 0)\n k = 0;\n l = (l << 4) | k;\n if (--m <= 0) {\n ret->d[h++] = l;\n break;\n }\n }\n j -= BN_BYTES * 2;\n }\n ret->top = h;\n bn_correct_top(ret);\n *bn = ret;\n bn_check_top(ret);\n if (ret->top != 0)\n ret->neg = neg;\n return num;\n err:\n if (*bn == NULL)\n BN_free(ret);\n return 0;\n}"] |
21,445 | 0 | https://github.com/nginx/nginx/blob/a0caa70c98fcda923970c9edcf8caad60cb8e40a/src/http/ngx_http_upstream_round_robin.c/#L188 | ngx_int_t
ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
ngx_http_upstream_srv_conf_t *us)
{
ngx_url_t u;
ngx_uint_t i, j, n, w;
ngx_http_upstream_server_t *server;
ngx_http_upstream_rr_peers_t *peers, *backup;
us->peer.init = ngx_http_upstream_init_round_robin_peer;
if (us->servers) {
server = us->servers->elts;
n = 0;
w = 0;
for (i = 0; i < us->servers->nelts; i++) {
if (server[i].backup) {
continue;
}
n += server[i].naddrs;
w += server[i].naddrs * server[i].weight;
}
if (n == 0) {
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"no servers in upstream \"%V\" in %s:%ui",
&us->host, us->file_name, us->line);
return NGX_ERROR;
}
peers = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t)
+ sizeof(ngx_http_upstream_rr_peer_t) * (n - 1));
if (peers == NULL) {
return NGX_ERROR;
}
peers->single = (n == 1);
peers->number = n;
peers->weighted = (w != n);
peers->total_weight = w;
peers->name = &us->host;
n = 0;
for (i = 0; i < us->servers->nelts; i++) {
for (j = 0; j < server[i].naddrs; j++) {
if (server[i].backup) {
continue;
}
peers->peer[n].sockaddr = server[i].addrs[j].sockaddr;
peers->peer[n].socklen = server[i].addrs[j].socklen;
peers->peer[n].name = server[i].addrs[j].name;
peers->peer[n].max_fails = server[i].max_fails;
peers->peer[n].fail_timeout = server[i].fail_timeout;
peers->peer[n].down = server[i].down;
peers->peer[n].weight = server[i].weight;
peers->peer[n].effective_weight = server[i].weight;
peers->peer[n].current_weight = 0;
n++;
}
}
us->peer.data = peers;
ngx_sort(&peers->peer[0], (size_t) n,
sizeof(ngx_http_upstream_rr_peer_t),
ngx_http_upstream_cmp_servers);
n = 0;
w = 0;
for (i = 0; i < us->servers->nelts; i++) {
if (!server[i].backup) {
continue;
}
n += server[i].naddrs;
w += server[i].naddrs * server[i].weight;
}
if (n == 0) {
return NGX_OK;
}
backup = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t)
+ sizeof(ngx_http_upstream_rr_peer_t) * (n - 1));
if (backup == NULL) {
return NGX_ERROR;
}
peers->single = 0;
backup->single = 0;
backup->number = n;
backup->weighted = (w != n);
backup->total_weight = w;
backup->name = &us->host;
n = 0;
for (i = 0; i < us->servers->nelts; i++) {
for (j = 0; j < server[i].naddrs; j++) {
if (!server[i].backup) {
continue;
}
backup->peer[n].sockaddr = server[i].addrs[j].sockaddr;
backup->peer[n].socklen = server[i].addrs[j].socklen;
backup->peer[n].name = server[i].addrs[j].name;
backup->peer[n].weight = server[i].weight;
backup->peer[n].effective_weight = server[i].weight;
backup->peer[n].current_weight = 0;
backup->peer[n].max_fails = server[i].max_fails;
backup->peer[n].fail_timeout = server[i].fail_timeout;
backup->peer[n].down = server[i].down;
n++;
}
}
peers->next = backup;
ngx_sort(&backup->peer[0], (size_t) n,
sizeof(ngx_http_upstream_rr_peer_t),
ngx_http_upstream_cmp_servers);
return NGX_OK;
}
if (us->port == 0 && us->default_port == 0) {
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"no port in upstream \"%V\" in %s:%ui",
&us->host, us->file_name, us->line);
return NGX_ERROR;
}
ngx_memzero(&u, sizeof(ngx_url_t));
u.host = us->host;
u.port = (in_port_t) (us->port ? us->port : us->default_port);
if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) {
if (u.err) {
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"%s in upstream \"%V\" in %s:%ui",
u.err, &us->host, us->file_name, us->line);
}
return NGX_ERROR;
}
n = u.naddrs;
peers = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t)
+ sizeof(ngx_http_upstream_rr_peer_t) * (n - 1));
if (peers == NULL) {
return NGX_ERROR;
}
peers->single = (n == 1);
peers->number = n;
peers->weighted = 0;
peers->total_weight = n;
peers->name = &us->host;
for (i = 0; i < u.naddrs; i++) {
peers->peer[i].sockaddr = u.addrs[i].sockaddr;
peers->peer[i].socklen = u.addrs[i].socklen;
peers->peer[i].name = u.addrs[i].name;
peers->peer[i].weight = 1;
peers->peer[i].effective_weight = 1;
peers->peer[i].current_weight = 0;
peers->peer[i].max_fails = 1;
peers->peer[i].fail_timeout = 10;
}
us->peer.data = peers;
return NGX_OK;
} | ['ngx_int_t\nngx_http_upstream_init_round_robin(ngx_conf_t *cf,\n ngx_http_upstream_srv_conf_t *us)\n{\n ngx_url_t u;\n ngx_uint_t i, j, n, w;\n ngx_http_upstream_server_t *server;\n ngx_http_upstream_rr_peers_t *peers, *backup;\n us->peer.init = ngx_http_upstream_init_round_robin_peer;\n if (us->servers) {\n server = us->servers->elts;\n n = 0;\n w = 0;\n for (i = 0; i < us->servers->nelts; i++) {\n if (server[i].backup) {\n continue;\n }\n n += server[i].naddrs;\n w += server[i].naddrs * server[i].weight;\n }\n if (n == 0) {\n ngx_log_error(NGX_LOG_EMERG, cf->log, 0,\n "no servers in upstream \\"%V\\" in %s:%ui",\n &us->host, us->file_name, us->line);\n return NGX_ERROR;\n }\n peers = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t)\n + sizeof(ngx_http_upstream_rr_peer_t) * (n - 1));\n if (peers == NULL) {\n return NGX_ERROR;\n }\n peers->single = (n == 1);\n peers->number = n;\n peers->weighted = (w != n);\n peers->total_weight = w;\n peers->name = &us->host;\n n = 0;\n for (i = 0; i < us->servers->nelts; i++) {\n for (j = 0; j < server[i].naddrs; j++) {\n if (server[i].backup) {\n continue;\n }\n peers->peer[n].sockaddr = server[i].addrs[j].sockaddr;\n peers->peer[n].socklen = server[i].addrs[j].socklen;\n peers->peer[n].name = server[i].addrs[j].name;\n peers->peer[n].max_fails = server[i].max_fails;\n peers->peer[n].fail_timeout = server[i].fail_timeout;\n peers->peer[n].down = server[i].down;\n peers->peer[n].weight = server[i].weight;\n peers->peer[n].effective_weight = server[i].weight;\n peers->peer[n].current_weight = 0;\n n++;\n }\n }\n us->peer.data = peers;\n ngx_sort(&peers->peer[0], (size_t) n,\n sizeof(ngx_http_upstream_rr_peer_t),\n ngx_http_upstream_cmp_servers);\n n = 0;\n w = 0;\n for (i = 0; i < us->servers->nelts; i++) {\n if (!server[i].backup) {\n continue;\n }\n n += server[i].naddrs;\n w += server[i].naddrs * server[i].weight;\n }\n if (n == 0) {\n return NGX_OK;\n }\n backup = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t)\n + sizeof(ngx_http_upstream_rr_peer_t) * (n - 1));\n if (backup == NULL) {\n return NGX_ERROR;\n }\n peers->single = 0;\n backup->single = 0;\n backup->number = n;\n backup->weighted = (w != n);\n backup->total_weight = w;\n backup->name = &us->host;\n n = 0;\n for (i = 0; i < us->servers->nelts; i++) {\n for (j = 0; j < server[i].naddrs; j++) {\n if (!server[i].backup) {\n continue;\n }\n backup->peer[n].sockaddr = server[i].addrs[j].sockaddr;\n backup->peer[n].socklen = server[i].addrs[j].socklen;\n backup->peer[n].name = server[i].addrs[j].name;\n backup->peer[n].weight = server[i].weight;\n backup->peer[n].effective_weight = server[i].weight;\n backup->peer[n].current_weight = 0;\n backup->peer[n].max_fails = server[i].max_fails;\n backup->peer[n].fail_timeout = server[i].fail_timeout;\n backup->peer[n].down = server[i].down;\n n++;\n }\n }\n peers->next = backup;\n ngx_sort(&backup->peer[0], (size_t) n,\n sizeof(ngx_http_upstream_rr_peer_t),\n ngx_http_upstream_cmp_servers);\n return NGX_OK;\n }\n if (us->port == 0 && us->default_port == 0) {\n ngx_log_error(NGX_LOG_EMERG, cf->log, 0,\n "no port in upstream \\"%V\\" in %s:%ui",\n &us->host, us->file_name, us->line);\n return NGX_ERROR;\n }\n ngx_memzero(&u, sizeof(ngx_url_t));\n u.host = us->host;\n u.port = (in_port_t) (us->port ? us->port : us->default_port);\n if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) {\n if (u.err) {\n ngx_log_error(NGX_LOG_EMERG, cf->log, 0,\n "%s in upstream \\"%V\\" in %s:%ui",\n u.err, &us->host, us->file_name, us->line);\n }\n return NGX_ERROR;\n }\n n = u.naddrs;\n peers = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t)\n + sizeof(ngx_http_upstream_rr_peer_t) * (n - 1));\n if (peers == NULL) {\n return NGX_ERROR;\n }\n peers->single = (n == 1);\n peers->number = n;\n peers->weighted = 0;\n peers->total_weight = n;\n peers->name = &us->host;\n for (i = 0; i < u.naddrs; i++) {\n peers->peer[i].sockaddr = u.addrs[i].sockaddr;\n peers->peer[i].socklen = u.addrs[i].socklen;\n peers->peer[i].name = u.addrs[i].name;\n peers->peer[i].weight = 1;\n peers->peer[i].effective_weight = 1;\n peers->peer[i].current_weight = 0;\n peers->peer[i].max_fails = 1;\n peers->peer[i].fail_timeout = 10;\n }\n us->peer.data = peers;\n return NGX_OK;\n}', 'ngx_int_t\nngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)\n{\n u_char *p, *host;\n size_t len;\n in_port_t port;\n in_addr_t in_addr;\n ngx_uint_t i;\n struct hostent *h;\n struct sockaddr_in *sin;\n port = htons(u->port);\n in_addr = ngx_inet_addr(u->host.data, u->host.len);\n if (in_addr == INADDR_NONE) {\n host = ngx_alloc(u->host.len + 1, pool->log);\n if (host == NULL) {\n return NGX_ERROR;\n }\n (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);\n h = gethostbyname((char *) host);\n ngx_free(host);\n if (h == NULL || h->h_addr_list[0] == NULL) {\n u->err = "host not found";\n return NGX_ERROR;\n }\n for (i = 0; h->h_addr_list[i] != NULL; i++) { }\n u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_addr_t));\n if (u->addrs == NULL) {\n return NGX_ERROR;\n }\n u->naddrs = i;\n for (i = 0; i < u->naddrs; i++) {\n sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));\n if (sin == NULL) {\n return NGX_ERROR;\n }\n sin->sin_family = AF_INET;\n sin->sin_port = port;\n sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);\n u->addrs[i].sockaddr = (struct sockaddr *) sin;\n u->addrs[i].socklen = sizeof(struct sockaddr_in);\n len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;\n p = ngx_pnalloc(pool, len);\n if (p == NULL) {\n return NGX_ERROR;\n }\n len = ngx_sock_ntop((struct sockaddr *) sin, p, len, 1);\n u->addrs[i].name.len = len;\n u->addrs[i].name.data = p;\n }\n } else {\n u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));\n if (u->addrs == NULL) {\n return NGX_ERROR;\n }\n sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));\n if (sin == NULL) {\n return NGX_ERROR;\n }\n u->naddrs = 1;\n sin->sin_family = AF_INET;\n sin->sin_port = port;\n sin->sin_addr.s_addr = in_addr;\n u->addrs[0].sockaddr = (struct sockaddr *) sin;\n u->addrs[0].socklen = sizeof(struct sockaddr_in);\n p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);\n if (p == NULL) {\n return NGX_ERROR;\n }\n u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",\n &u->host, ntohs(port)) - p;\n u->addrs[0].name.data = p;\n }\n return NGX_OK;\n}'] |
21,446 | 0 | https://github.com/openssl/openssl/blob/6ea3bca427b3e759939a63555821d0c4678dd79c/test/evp_test.c/#L1494 | static int encode_test_init(EVP_TEST *t, const char *encoding)
{
ENCODE_DATA *edata;
if (!TEST_ptr(edata = OPENSSL_zalloc(sizeof(*edata))))
return 0;
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;
if (!TEST_ptr(t->expected_err = OPENSSL_strdup("DECODE_ERROR")))
return 0;
} else {
TEST_error("Bad encoding: %s."
" Should be one of {canonical, valid, invalid}",
encoding);
return 0;
}
t->data = edata;
return 1;
} | ['static int encode_test_init(EVP_TEST *t, const char *encoding)\n{\n ENCODE_DATA *edata;\n if (!TEST_ptr(edata = OPENSSL_zalloc(sizeof(*edata))))\n return 0;\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 if (!TEST_ptr(t->expected_err = OPENSSL_strdup("DECODE_ERROR")))\n return 0;\n } else {\n TEST_error("Bad encoding: %s."\n " Should be one of {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}', '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}', 'char *CRYPTO_strdup(const char *str, const char* file, int line)\n{\n char *ret;\n size_t size;\n if (str == NULL)\n return NULL;\n size = strlen(str) + 1;\n ret = CRYPTO_malloc(size, file, line);\n if (ret != NULL)\n memcpy(ret, str, size);\n return ret;\n}'] |
21,447 | 0 | https://github.com/libav/libav/blob/4cd19f6e7851ee6afb08eb346c82d5574fa2b699/libavformat/matroskadec.c/#L886 | static int matroska_decode_buffer(uint8_t** buf, int* buf_size,
MatroskaTrack *track)
{
MatroskaTrackEncoding *encodings = track->encodings.elem;
uint8_t* data = *buf;
int isize = *buf_size;
uint8_t* pkt_data = NULL;
int pkt_size = isize;
int result = 0;
int olen;
switch (encodings[0].compression.algo) {
case MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP:
return encodings[0].compression.settings.size;
case MATROSKA_TRACK_ENCODING_COMP_LZO:
do {
olen = pkt_size *= 3;
pkt_data = av_realloc(pkt_data, pkt_size+AV_LZO_OUTPUT_PADDING);
result = av_lzo1x_decode(pkt_data, &olen, data, &isize);
} while (result==AV_LZO_OUTPUT_FULL && pkt_size<10000000);
if (result)
goto failed;
pkt_size -= olen;
break;
#if CONFIG_ZLIB
case MATROSKA_TRACK_ENCODING_COMP_ZLIB: {
z_stream zstream = {0};
if (inflateInit(&zstream) != Z_OK)
return -1;
zstream.next_in = data;
zstream.avail_in = isize;
do {
pkt_size *= 3;
pkt_data = av_realloc(pkt_data, pkt_size);
zstream.avail_out = pkt_size - zstream.total_out;
zstream.next_out = pkt_data + zstream.total_out;
result = inflate(&zstream, Z_NO_FLUSH);
} while (result==Z_OK && pkt_size<10000000);
pkt_size = zstream.total_out;
inflateEnd(&zstream);
if (result != Z_STREAM_END)
goto failed;
break;
}
#endif
#if CONFIG_BZLIB
case MATROSKA_TRACK_ENCODING_COMP_BZLIB: {
bz_stream bzstream = {0};
if (BZ2_bzDecompressInit(&bzstream, 0, 0) != BZ_OK)
return -1;
bzstream.next_in = data;
bzstream.avail_in = isize;
do {
pkt_size *= 3;
pkt_data = av_realloc(pkt_data, pkt_size);
bzstream.avail_out = pkt_size - bzstream.total_out_lo32;
bzstream.next_out = pkt_data + bzstream.total_out_lo32;
result = BZ2_bzDecompress(&bzstream);
} while (result==BZ_OK && pkt_size<10000000);
pkt_size = bzstream.total_out_lo32;
BZ2_bzDecompressEnd(&bzstream);
if (result != BZ_STREAM_END)
goto failed;
break;
}
#endif
default:
return -1;
}
*buf = pkt_data;
*buf_size = pkt_size;
return 0;
failed:
av_free(pkt_data);
return -1;
} | ['static int matroska_decode_buffer(uint8_t** buf, int* buf_size,\n MatroskaTrack *track)\n{\n MatroskaTrackEncoding *encodings = track->encodings.elem;\n uint8_t* data = *buf;\n int isize = *buf_size;\n uint8_t* pkt_data = NULL;\n int pkt_size = isize;\n int result = 0;\n int olen;\n switch (encodings[0].compression.algo) {\n case MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP:\n return encodings[0].compression.settings.size;\n case MATROSKA_TRACK_ENCODING_COMP_LZO:\n do {\n olen = pkt_size *= 3;\n pkt_data = av_realloc(pkt_data, pkt_size+AV_LZO_OUTPUT_PADDING);\n result = av_lzo1x_decode(pkt_data, &olen, data, &isize);\n } while (result==AV_LZO_OUTPUT_FULL && pkt_size<10000000);\n if (result)\n goto failed;\n pkt_size -= olen;\n break;\n#if CONFIG_ZLIB\n case MATROSKA_TRACK_ENCODING_COMP_ZLIB: {\n z_stream zstream = {0};\n if (inflateInit(&zstream) != Z_OK)\n return -1;\n zstream.next_in = data;\n zstream.avail_in = isize;\n do {\n pkt_size *= 3;\n pkt_data = av_realloc(pkt_data, pkt_size);\n zstream.avail_out = pkt_size - zstream.total_out;\n zstream.next_out = pkt_data + zstream.total_out;\n result = inflate(&zstream, Z_NO_FLUSH);\n } while (result==Z_OK && pkt_size<10000000);\n pkt_size = zstream.total_out;\n inflateEnd(&zstream);\n if (result != Z_STREAM_END)\n goto failed;\n break;\n }\n#endif\n#if CONFIG_BZLIB\n case MATROSKA_TRACK_ENCODING_COMP_BZLIB: {\n bz_stream bzstream = {0};\n if (BZ2_bzDecompressInit(&bzstream, 0, 0) != BZ_OK)\n return -1;\n bzstream.next_in = data;\n bzstream.avail_in = isize;\n do {\n pkt_size *= 3;\n pkt_data = av_realloc(pkt_data, pkt_size);\n bzstream.avail_out = pkt_size - bzstream.total_out_lo32;\n bzstream.next_out = pkt_data + bzstream.total_out_lo32;\n result = BZ2_bzDecompress(&bzstream);\n } while (result==BZ_OK && pkt_size<10000000);\n pkt_size = bzstream.total_out_lo32;\n BZ2_bzDecompressEnd(&bzstream);\n if (result != BZ_STREAM_END)\n goto failed;\n break;\n }\n#endif\n default:\n return -1;\n }\n *buf = pkt_data;\n *buf_size = pkt_size;\n return 0;\n failed:\n av_free(pkt_data);\n return -1;\n}', 'void *av_realloc(void *ptr, unsigned int size)\n{\n#if CONFIG_MEMALIGN_HACK\n int diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n if(!ptr) return av_malloc(size);\n diff= ((char*)ptr)[-1];\n return (char*)realloc((char*)ptr - diff, size + diff) + diff;\n#else\n return realloc(ptr, size);\n#endif\n}'] |
21,448 | 0 | https://github.com/openssl/openssl/blob/1e552869960659b4baac425bbf46cf6d3bd5e7e4/ssl/s3_both.c/#L503 | int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
{
EVP_PKEY *pk;
int ret= -1,i,j;
if (pkey == NULL)
pk=X509_get_pubkey(x);
else
pk=pkey;
if (pk == NULL) goto err;
i=pk->type;
if (i == EVP_PKEY_RSA)
{
ret=SSL_PKEY_RSA_ENC;
if (x != NULL)
{
j=X509_get_ext_count(x);
}
}
else if (i == EVP_PKEY_DSA)
{
ret=SSL_PKEY_DSA_SIGN;
}
else if (i == EVP_PKEY_DH)
{
if (x == NULL)
ret=SSL_PKEY_DH_DSA;
else
{
j=X509_get_signature_type(x);
if (j == EVP_PKEY_RSA)
ret=SSL_PKEY_DH_RSA;
else if (j== EVP_PKEY_DSA)
ret=SSL_PKEY_DH_DSA;
else ret= -1;
}
}
else
ret= -1;
err:
if(!pkey) EVP_PKEY_free(pk);
return(ret);
} | ['int ssl_cert_type(X509 *x, EVP_PKEY *pkey)\n\t{\n\tEVP_PKEY *pk;\n\tint ret= -1,i,j;\n\tif (pkey == NULL)\n\t\tpk=X509_get_pubkey(x);\n\telse\n\t\tpk=pkey;\n\tif (pk == NULL) goto err;\n\ti=pk->type;\n\tif (i == EVP_PKEY_RSA)\n\t\t{\n\t\tret=SSL_PKEY_RSA_ENC;\n\t\tif (x != NULL)\n\t\t\t{\n\t\t\tj=X509_get_ext_count(x);\n\t\t\t}\n\t\t}\n\telse if (i == EVP_PKEY_DSA)\n\t\t{\n\t\tret=SSL_PKEY_DSA_SIGN;\n\t\t}\n\telse if (i == EVP_PKEY_DH)\n\t\t{\n\t\tif (x == NULL)\n\t\t\tret=SSL_PKEY_DH_DSA;\n\t\telse\n\t\t\t{\n\t\t\tj=X509_get_signature_type(x);\n\t\t\tif (j == EVP_PKEY_RSA)\n\t\t\t\tret=SSL_PKEY_DH_RSA;\n\t\t\telse if (j== EVP_PKEY_DSA)\n\t\t\t\tret=SSL_PKEY_DH_DSA;\n\t\t\telse ret= -1;\n\t\t\t}\n\t\t}\n\telse\n\t\tret= -1;\nerr:\n\tif(!pkey) EVP_PKEY_free(pk);\n\treturn(ret);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}', 'void EVP_PKEY_free(EVP_PKEY *x)\n\t{\n\tint i;\n\tif (x == NULL) return;\n\ti=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);\n#ifdef REF_PRINT\n\tREF_PRINT("EVP_PKEY",x);\n#endif\n\tif (i > 0) return;\n#ifdef REF_CHECK\n\tif (i < 0)\n\t\t{\n\t\tfprintf(stderr,"EVP_PKEY_free, bad reference count\\n");\n\t\tabort();\n\t\t}\n#endif\n\tEVP_PKEY_free_it(x);\n\tOPENSSL_free(x);\n\t}', 'int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,\n\t int line)\n\t{\n\tint ret;\n\tif (add_lock_callback != NULL)\n\t\t{\n#ifdef LOCK_DEBUG\n\t\tint before= *pointer;\n#endif\n\t\tret=add_lock_callback(pointer,amount,type,file,line);\n#ifdef LOCK_DEBUG\n\t\tfprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(),\n\t\t\tbefore,amount,ret,\n\t\t\tCRYPTO_get_lock_name(type),\n\t\t\tfile,line);\n#endif\n\t\t*pointer=ret;\n\t\t}\n\telse\n\t\t{\n\t\tCRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);\n\t\tret= *pointer+amount;\n#ifdef LOCK_DEBUG\n\t\tfprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(),\n\t\t\t*pointer,amount,ret,\n\t\t\tCRYPTO_get_lock_name(type),\n\t\t\tfile,line);\n#endif\n\t\t*pointer=ret;\n\t\tCRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);\n\t\t}\n\treturn(ret);\n\t}'] |
21,449 | 0 | https://gitlab.com/libtiff/libtiff/blob/cad3e7d8754954becc7bd991049a4e79b334ed27/tools/tiff2pdf.c/#L4255 | void t2p_pdf_currenttime(T2P* t2p)
{
struct tm* currenttime;
time_t timenow;
if (time(&timenow) == (time_t) -1) {
TIFFError(TIFF2PDF_MODULE,
"Can't get the current time: %s", strerror(errno));
timenow = (time_t) 0;
}
currenttime = localtime(&timenow);
snprintf(t2p->pdf_datetime, sizeof(t2p->pdf_datetime),
"D:%.4d%.2d%.2d%.2d%.2d%.2d",
(currenttime->tm_year + 1900) % 65536,
(currenttime->tm_mon + 1) % 256,
(currenttime->tm_mday) % 256,
(currenttime->tm_hour) % 256,
(currenttime->tm_min) % 256,
(currenttime->tm_sec) % 256);
return;
} | ['void t2p_pdf_currenttime(T2P* t2p)\n{\n\tstruct tm* currenttime;\n\ttime_t timenow;\n\tif (time(&timenow) == (time_t) -1) {\n\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t "Can\'t get the current time: %s", strerror(errno));\n\t\ttimenow = (time_t) 0;\n\t}\n\tcurrenttime = localtime(&timenow);\n\tsnprintf(t2p->pdf_datetime, sizeof(t2p->pdf_datetime),\n\t\t "D:%.4d%.2d%.2d%.2d%.2d%.2d",\n\t\t (currenttime->tm_year + 1900) % 65536,\n\t\t (currenttime->tm_mon + 1) % 256,\n\t\t (currenttime->tm_mday) % 256,\n\t\t (currenttime->tm_hour) % 256,\n\t\t (currenttime->tm_min) % 256,\n\t\t (currenttime->tm_sec) % 256);\n\treturn;\n}'] |
21,450 | 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 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}', '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}', 'int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, j, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, tmp;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n rb = n % BN_BITS2;\n lb = BN_BITS2 - rb;\n if (nw >= a->top || a->top == 0) {\n BN_zero(r);\n return 1;\n }\n i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;\n if (r != a) {\n if (bn_wexpand(r, i) == NULL)\n return 0;\n r->neg = a->neg;\n } else {\n if (n == 0)\n return 1;\n }\n f = &(a->d[nw]);\n t = r->d;\n j = a->top - nw;\n r->top = i;\n if (rb == 0) {\n for (i = j; i != 0; i--)\n *(t++) = *(f++);\n } else {\n l = *(f++);\n for (i = j - 1; i != 0; i--) {\n tmp = (l >> rb) & BN_MASK2;\n l = *(f++);\n *(t++) = (tmp | (l << lb)) & BN_MASK2;\n }\n if ((l = (l >> rb) & BN_MASK2))\n *(t) = l;\n }\n if (!r->top)\n r->neg = 0;\n bn_check_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 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}', '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}'] |
21,451 | 0 | https://github.com/openssl/openssl/blob/f7a3296d8c8746b9901e95674425f300a6dfd1d4/crypto/pem/pem_all.c/#L237 | DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
void *u)
{
EVP_PKEY *pktmp;
pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
return pkey_get_dsa(pktmp, dsa);
} | ['DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,\n\t\t\t\t\t\t\t\tvoid *u)\n{\n\tEVP_PKEY *pktmp;\n\tpktmp = PEM_read_PrivateKey(fp, NULL, cb, u);\n\treturn pkey_get_dsa(pktmp, dsa);\n}', 'EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)\n\t{\n BIO *b;\n EVP_PKEY *ret;\n if ((b=BIO_new(BIO_s_file())) == NULL)\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_PRIVATEKEY,ERR_R_BUF_LIB);\n return(0);\n\t\t}\n BIO_set_fp(b,fp,BIO_NOCLOSE);\n ret=PEM_read_bio_PrivateKey(b,x,cb,u);\n BIO_free(b);\n return(ret);\n\t}', 'BIO_METHOD *BIO_s_file(void)\n\t{\n\treturn(&methods_filep);\n\t}', 'BIO *BIO_new(BIO_METHOD *method)\n\t{\n\tBIO *ret=NULL;\n\tret=(BIO *)OPENSSL_malloc(sizeof(BIO));\n\tif (ret == NULL)\n\t\t{\n\t\tBIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tif (!BIO_set(ret,method))\n\t\t{\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\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}', '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}'] |
21,452 | 0 | https://gitlab.com/libtiff/libtiff/blob/bfbc717684115d7beb96c82255dad2dd4a4b8845/tools/tiffcrop.c/#L7278 | static int
createCroppedImage(struct image_data *image, struct crop_mask *crop,
unsigned char **read_buff_ptr, unsigned char **crop_buff_ptr)
{
tsize_t cropsize;
unsigned char *read_buff = NULL;
unsigned char *crop_buff = NULL;
unsigned char *new_buff = NULL;
static tsize_t prev_cropsize = 0;
read_buff = *read_buff_ptr;
crop_buff = read_buff;
*crop_buff_ptr = read_buff;
crop->combined_width = image->width;
crop->combined_length = image->length;
cropsize = crop->bufftotal;
crop_buff = *crop_buff_ptr;
if (!crop_buff)
{
crop_buff = (unsigned char *)_TIFFmalloc(cropsize);
*crop_buff_ptr = crop_buff;
_TIFFmemset(crop_buff, 0, cropsize);
prev_cropsize = cropsize;
}
else
{
if (prev_cropsize < cropsize)
{
new_buff = _TIFFrealloc(crop_buff, cropsize);
if (!new_buff)
{
free (crop_buff);
crop_buff = (unsigned char *)_TIFFmalloc(cropsize);
}
else
crop_buff = new_buff;
_TIFFmemset(crop_buff, 0, cropsize);
}
}
if (!crop_buff)
{
TIFFError("createCroppedImage", "Unable to allocate/reallocate crop buffer");
return (-1);
}
*crop_buff_ptr = crop_buff;
if (crop->crop_mode & CROP_INVERT)
{
switch (crop->photometric)
{
case PHOTOMETRIC_MINISWHITE:
case PHOTOMETRIC_MINISBLACK:
image->photometric = crop->photometric;
break;
case INVERT_DATA_ONLY:
case INVERT_DATA_AND_TAG:
if (invertImage(image->photometric, image->spp, image->bps,
crop->combined_width, crop->combined_length, crop_buff))
{
TIFFError("createCroppedImage",
"Failed to invert colorspace for image or cropped selection");
return (-1);
}
if (crop->photometric == INVERT_DATA_AND_TAG)
{
switch (image->photometric)
{
case PHOTOMETRIC_MINISWHITE:
image->photometric = PHOTOMETRIC_MINISBLACK;
break;
case PHOTOMETRIC_MINISBLACK:
image->photometric = PHOTOMETRIC_MINISWHITE;
break;
default:
break;
}
}
break;
default: break;
}
}
if (crop->crop_mode & CROP_MIRROR)
{
if (mirrorImage(image->spp, image->bps, crop->mirror,
crop->combined_width, crop->combined_length, crop_buff))
{
TIFFError("createCroppedImage", "Failed to mirror image or cropped selection %s",
(crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically");
return (-1);
}
}
if (crop->crop_mode & CROP_ROTATE)
{
if (rotateImage(crop->rotation, image, &crop->combined_width,
&crop->combined_length, crop_buff_ptr))
{
TIFFError("createCroppedImage",
"Failed to rotate image or cropped selection by %d degrees", crop->rotation);
return (-1);
}
}
if (crop_buff == read_buff)
*read_buff_ptr = NULL;
return (0);
} | ['static int\ncreateCroppedImage(struct image_data *image, struct crop_mask *crop,\n unsigned char **read_buff_ptr, unsigned char **crop_buff_ptr)\n {\n tsize_t cropsize;\n unsigned char *read_buff = NULL;\n unsigned char *crop_buff = NULL;\n unsigned char *new_buff = NULL;\n static tsize_t prev_cropsize = 0;\n read_buff = *read_buff_ptr;\n crop_buff = read_buff;\n *crop_buff_ptr = read_buff;\n crop->combined_width = image->width;\n crop->combined_length = image->length;\n cropsize = crop->bufftotal;\n crop_buff = *crop_buff_ptr;\n if (!crop_buff)\n {\n crop_buff = (unsigned char *)_TIFFmalloc(cropsize);\n *crop_buff_ptr = crop_buff;\n _TIFFmemset(crop_buff, 0, cropsize);\n prev_cropsize = cropsize;\n }\n else\n {\n if (prev_cropsize < cropsize)\n {\n new_buff = _TIFFrealloc(crop_buff, cropsize);\n if (!new_buff)\n {\n\tfree (crop_buff);\n crop_buff = (unsigned char *)_TIFFmalloc(cropsize);\n }\n else\n crop_buff = new_buff;\n _TIFFmemset(crop_buff, 0, cropsize);\n }\n }\n if (!crop_buff)\n {\n TIFFError("createCroppedImage", "Unable to allocate/reallocate crop buffer");\n return (-1);\n }\n *crop_buff_ptr = crop_buff;\n if (crop->crop_mode & CROP_INVERT)\n {\n switch (crop->photometric)\n {\n case PHOTOMETRIC_MINISWHITE:\n case PHOTOMETRIC_MINISBLACK:\n\t image->photometric = crop->photometric;\n\t break;\n case INVERT_DATA_ONLY:\n case INVERT_DATA_AND_TAG:\n if (invertImage(image->photometric, image->spp, image->bps,\n crop->combined_width, crop->combined_length, crop_buff))\n {\n TIFFError("createCroppedImage",\n "Failed to invert colorspace for image or cropped selection");\n return (-1);\n }\n if (crop->photometric == INVERT_DATA_AND_TAG)\n {\n switch (image->photometric)\n {\n case PHOTOMETRIC_MINISWHITE:\n \t image->photometric = PHOTOMETRIC_MINISBLACK;\n\t break;\n case PHOTOMETRIC_MINISBLACK:\n \t image->photometric = PHOTOMETRIC_MINISWHITE;\n\t break;\n default:\n\t break;\n\t }\n\t }\n break;\n default: break;\n }\n }\n if (crop->crop_mode & CROP_MIRROR)\n {\n if (mirrorImage(image->spp, image->bps, crop->mirror,\n crop->combined_width, crop->combined_length, crop_buff))\n {\n TIFFError("createCroppedImage", "Failed to mirror image or cropped selection %s",\n\t (crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically");\n return (-1);\n }\n }\n if (crop->crop_mode & CROP_ROTATE)\n {\n if (rotateImage(crop->rotation, image, &crop->combined_width,\n &crop->combined_length, crop_buff_ptr))\n {\n TIFFError("createCroppedImage",\n "Failed to rotate image or cropped selection by %d degrees", crop->rotation);\n return (-1);\n }\n }\n if (crop_buff == read_buff)\n *read_buff_ptr = NULL;\n return (0);\n }', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n\treturn (malloc((size_t) s));\n}', 'void\n_TIFFmemset(void* p, int v, tmsize_t c)\n{\n\tmemset(p, v, (size_t) c);\n}'] |
21,453 | 0 | https://github.com/openssl/openssl/blob/9b340281873643d2b8a33047dc8bfa607f7e0c3c/crypto/lhash/lhash.c/#L191 | static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
int i;
OPENSSL_LH_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;
}
}
} | ['static int test_early_data_replay_int(int idx, int usecb, int confopt)\n{\n SSL_CTX *cctx = NULL, *sctx = NULL;\n SSL *clientssl = NULL, *serverssl = NULL;\n int testresult = 0;\n SSL_SESSION *sess = NULL;\n size_t readbytes, written;\n unsigned char buf[20];\n allow_ed_cb_called = 0;\n if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),\n TLS1_VERSION, TLS_MAX_VERSION, &sctx,\n &cctx, cert, privkey)))\n return 0;\n if (usecb > 0) {\n if (confopt == 0) {\n SSL_CTX_set_options(sctx, SSL_OP_NO_ANTI_REPLAY);\n } else {\n SSL_CONF_CTX *confctx = SSL_CONF_CTX_new();\n if (!TEST_ptr(confctx))\n goto end;\n SSL_CONF_CTX_set_flags(confctx, SSL_CONF_FLAG_FILE\n | SSL_CONF_FLAG_SERVER);\n SSL_CONF_CTX_set_ssl_ctx(confctx, sctx);\n if (!TEST_int_eq(SSL_CONF_cmd(confctx, "Options", "-AntiReplay"),\n 2)) {\n SSL_CONF_CTX_free(confctx);\n goto end;\n }\n SSL_CONF_CTX_free(confctx);\n }\n SSL_CTX_set_allow_early_data_cb(sctx, allow_early_data_cb, &usecb);\n }\n if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,\n &serverssl, &sess, idx)))\n goto end;\n if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))\n || !TEST_true(SSL_session_reused(clientssl)))\n goto end;\n SSL_shutdown(clientssl);\n SSL_shutdown(serverssl);\n SSL_free(serverssl);\n SSL_free(clientssl);\n serverssl = clientssl = NULL;\n if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,\n &clientssl, NULL, NULL))\n || !TEST_true(SSL_set_session(clientssl, sess)))\n goto end;\n if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),\n &written))\n || !TEST_size_t_eq(written, strlen(MSG1)))\n goto end;\n if (usecb <= 1) {\n if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),\n &readbytes),\n SSL_READ_EARLY_DATA_FINISH)\n || !TEST_int_eq(SSL_get_early_data_status(serverssl),\n SSL_EARLY_DATA_REJECTED))\n goto end;\n } else {\n if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),\n &readbytes),\n SSL_READ_EARLY_DATA_SUCCESS)\n || !TEST_mem_eq(MSG1, strlen(MSG1), buf, readbytes)\n || !TEST_int_gt(SSL_connect(clientssl), 0)\n || !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),\n &readbytes),\n SSL_READ_EARLY_DATA_FINISH)\n || !TEST_int_eq(SSL_get_early_data_status(serverssl),\n SSL_EARLY_DATA_ACCEPTED))\n goto end;\n }\n if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))\n || !TEST_int_eq(SSL_session_reused(clientssl), (usecb > 0) ? 1 : 0)\n || !TEST_int_eq(allow_ed_cb_called, usecb > 0 ? 1 : 0))\n goto end;\n testresult = 1;\n end:\n SSL_SESSION_free(sess);\n SSL_SESSION_free(clientpsk);\n SSL_SESSION_free(serverpsk);\n clientpsk = serverpsk = NULL;\n SSL_free(serverssl);\n SSL_free(clientssl);\n SSL_CTX_free(sctx);\n SSL_CTX_free(cctx);\n return testresult;\n}', 'static int setupearly_data_test(SSL_CTX **cctx, SSL_CTX **sctx, SSL **clientssl,\n SSL **serverssl, SSL_SESSION **sess, int idx)\n{\n if (*sctx == NULL\n && !TEST_true(create_ssl_ctx_pair(TLS_server_method(),\n TLS_client_method(),\n TLS1_VERSION, TLS_MAX_VERSION,\n sctx, cctx, cert, privkey)))\n return 0;\n if (!TEST_true(SSL_CTX_set_max_early_data(*sctx, SSL3_RT_MAX_PLAIN_LENGTH)))\n return 0;\n if (idx == 1) {\n SSL_CTX_set_read_ahead(*cctx, 1);\n SSL_CTX_set_read_ahead(*sctx, 1);\n } else if (idx == 2) {\n SSL_CTX_set_psk_use_session_callback(*cctx, use_session_cb);\n SSL_CTX_set_psk_find_session_callback(*sctx, find_session_cb);\n use_session_cb_cnt = 0;\n find_session_cb_cnt = 0;\n srvid = pskid;\n }\n if (!TEST_true(create_ssl_objects(*sctx, *cctx, serverssl, clientssl,\n NULL, NULL)))\n return 0;\n if (idx == 1\n && !TEST_true(SSL_set_tlsext_host_name(*clientssl, "localhost")))\n return 0;\n if (idx == 2) {\n clientpsk = create_a_psk(*clientssl);\n if (!TEST_ptr(clientpsk)\n || !TEST_true(SSL_SESSION_set_max_early_data(clientpsk,\n 0x100))\n || !TEST_true(SSL_SESSION_up_ref(clientpsk))) {\n SSL_SESSION_free(clientpsk);\n clientpsk = NULL;\n return 0;\n }\n serverpsk = clientpsk;\n if (sess != NULL) {\n if (!TEST_true(SSL_SESSION_up_ref(clientpsk))) {\n SSL_SESSION_free(clientpsk);\n SSL_SESSION_free(serverpsk);\n clientpsk = serverpsk = NULL;\n return 0;\n }\n *sess = clientpsk;\n }\n return 1;\n }\n if (sess == NULL)\n return 1;\n if (!TEST_true(create_ssl_connection(*serverssl, *clientssl,\n SSL_ERROR_NONE)))\n return 0;\n *sess = SSL_get1_session(*clientssl);\n SSL_shutdown(*clientssl);\n SSL_shutdown(*serverssl);\n SSL_free(*serverssl);\n SSL_free(*clientssl);\n *serverssl = *clientssl = NULL;\n if (!TEST_true(create_ssl_objects(*sctx, *cctx, serverssl,\n clientssl, NULL, NULL))\n || !TEST_true(SSL_set_session(*clientssl, *sess)))\n return 0;\n return 1;\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 RECORD_LAYER_release(&s->rlayer);\n ssl_free_wbio_buffer(s);\n BIO_free_all(s->wbio);\n s->wbio = NULL;\n BIO_free_all(s->rbio);\n s->rbio = NULL;\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 sk_SSL_CIPHER_free(s->tls13_ciphersuites);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n SSL_SESSION_free(s->psksession);\n OPENSSL_free(s->psksession_id);\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 OPENSSL_free(s->ext.tls13_cookie);\n OPENSSL_free(s->clienthello);\n OPENSSL_free(s->pha_context);\n EVP_MD_CTX_free(s->pha_dgst);\n sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(s->client_ca_names, 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 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}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n CRYPTO_DOWN_REF(&a->references, &i, a->lock);\n REF_PRINT_COUNT("SSL_CTX", a);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(a->param);\n dane_ctx_final(&a->dane);\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 lh_SSL_SESSION_free(a->sessions);\n X509_STORE_free(a->cert_store);\n#ifndef OPENSSL_NO_CT\n CTLOG_STORE_free(a->ctlog_store);\n#endif\n sk_SSL_CIPHER_free(a->cipher_list);\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n sk_SSL_CIPHER_free(a->tls13_ciphersuites);\n ssl_cert_free(a->cert);\n sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free);\n sk_X509_pop_free(a->extra_certs, X509_free);\n a->comp_methods = NULL;\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(a->ext.ecpointformats);\n OPENSSL_free(a->ext.supportedgroups);\n#endif\n OPENSSL_free(a->ext.alpn);\n OPENSSL_secure_free(a->ext.secure);\n CRYPTO_THREAD_lock_free(a->lock);\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_THREAD_write_lock(s->lock);\n i = lh_SSL_SESSION_get_down_load(s->sessions);\n lh_SSL_SESSION_set_down_load(s->sessions, 0);\n lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);\n lh_SSL_SESSION_set_down_load(s->sessions, i);\n CRYPTO_THREAD_unlock(s->lock);\n}', 'IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM)', 'void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)\n{\n doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);\n}', 'static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,\n OPENSSL_LH_DOALL_FUNC func,\n OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)\n{\n int i;\n OPENSSL_LH_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}'] |
21,454 | 0 | https://github.com/openssl/openssl/blob/9f9442918aeaed5dc2442d81ab8d29fe3e1fb906/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);
if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0)
BN_set_flags(a, BN_FLG_CONSTTIME);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['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 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_is_one(m)) {\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_from_montgomery(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 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}', '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}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
21,455 | 0 | https://github.com/libav/libav/blob/adfdcf87b15d70ae5fcf9ddf28e400fb2ba5c8fe/avconv.c/#L2744 | static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
{
o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
&o->nb_attachments, o->nb_attachments + 1);
o->attachments[o->nb_attachments - 1] = arg;
return 0;
} | ['static int opt_attach(OptionsContext *o, const char *opt, const char *arg)\n{\n o->attachments = grow_array(o->attachments, sizeof(*o->attachments),\n &o->nb_attachments, o->nb_attachments + 1);\n o->attachments[o->nb_attachments - 1] = arg;\n return 0;\n}', 'void *grow_array(void *array, int elem_size, int *size, int new_size)\n{\n if (new_size >= INT_MAX / elem_size) {\n av_log(NULL, AV_LOG_ERROR, "Array too big.\\n");\n exit_program(1);\n }\n if (*size < new_size) {\n uint8_t *tmp = av_realloc(array, new_size*elem_size);\n if (!tmp) {\n av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\\n");\n exit_program(1);\n }\n memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);\n *size = new_size;\n return tmp;\n }\n return array;\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n#if CONFIG_MEMALIGN_HACK\n int diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n if(!ptr) return av_malloc(size);\n diff= ((char*)ptr)[-1];\n return (char*)realloc((char*)ptr - diff, size + diff) + diff;\n#else\n return realloc(ptr, size);\n#endif\n}'] |
21,456 | 0 | https://github.com/openssl/openssl/blob/a974e64aaaa8a6f99f55a68d28c07c04ecea2f50/crypto/bn/bn_ctx.c/#L328 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int RSA_eay_public_encrypt(int flen, const unsigned char *from,\n unsigned char *to, RSA *rsa, int padding)\n{\n BIGNUM *f, *ret;\n int i, j, k, num = 0, r = -1;\n unsigned char *buf = NULL;\n BN_CTX *ctx = NULL;\n if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS) {\n RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_MODULUS_TOO_LARGE);\n return -1;\n }\n if (BN_ucmp(rsa->n, rsa->e) <= 0) {\n RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);\n return -1;\n }\n if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS) {\n if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS) {\n RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);\n return -1;\n }\n }\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 (f == NULL || ret == NULL || buf == NULL) {\n RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n switch (padding) {\n case RSA_PKCS1_PADDING:\n i = RSA_padding_add_PKCS1_type_2(buf, num, from, flen);\n break;\n case RSA_PKCS1_OAEP_PADDING:\n i = RSA_padding_add_PKCS1_OAEP(buf, num, from, flen, NULL, 0);\n break;\n case RSA_SSLV23_PADDING:\n i = RSA_padding_add_SSLv23(buf, num, from, flen);\n break;\n case RSA_NO_PADDING:\n i = RSA_padding_add_none(buf, num, from, flen);\n break;\n default:\n RSAerr(RSA_F_RSA_EAY_PUBLIC_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_EAY_PUBLIC_ENCRYPT,\n RSA_R_DATA_TOO_LARGE_FOR_MODULUS);\n goto err;\n }\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))\n goto err;\n if (!rsa->meth->bn_mod_exp(ret, f, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n j = BN_num_bytes(ret);\n i = BN_bn2bin(ret, &(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}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_r_lock(lock);\n ret = *pmont;\n CRYPTO_r_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_w_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_w_unlock(lock);\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_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 (pnoinv)\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) <= (BN_BITS <= 32 ? 450 : 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 local_A, local_B;\n BIGNUM *pA, *pB;\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 pB = &local_B;\n local_B.flags = 0;\n BN_with_flags(pB, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, pB, A, ctx))\n goto err;\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n pA = &local_A;\n local_A.flags = 0;\n BN_with_flags(pA, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, pA, B, ctx))\n goto err;\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}', '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 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}'] |
21,457 | 0 | https://github.com/libav/libav/blob/2f99117f6ff24ce5be2abb9e014cb8b86c2aa0e0/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\nflac_header (AVFormatContext * s, int idx)\n{\n struct ogg *ogg = s->priv_data;\n struct ogg_stream *os = ogg->streams + idx;\n AVStream *st = s->streams[idx];\n BitstreamContext bc;\n int mdt;\n if (os->buf[os->pstart] == 0xff)\n return 0;\n bitstream_init(&bc, os->buf + os->pstart, os->psize * 8);\n bitstream_skip(&bc, 1);\n mdt = bitstream_read(&bc, 7);\n if (mdt == OGG_FLAC_METADATA_TYPE_STREAMINFO) {\n uint8_t *streaminfo_start = os->buf + os->pstart + 5 + 4 + 4 + 4;\n uint32_t samplerate;\n bitstream_skip(&bc, 4 * 8);\n if (bitstream_read(&bc, 8) != 1)\n return -1;\n bitstream_skip(&bc, 8 + 16);\n bitstream_skip(&bc, 4 * 8);\n if (bitstream_read(&bc, 32) != FLAC_STREAMINFO_SIZE)\n return -1;\n st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;\n st->codecpar->codec_id = AV_CODEC_ID_FLAC;\n st->need_parsing = AVSTREAM_PARSE_HEADERS;\n st->codecpar->extradata =\n av_malloc(FLAC_STREAMINFO_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);\n memcpy(st->codecpar->extradata, streaminfo_start, FLAC_STREAMINFO_SIZE);\n st->codecpar->extradata_size = FLAC_STREAMINFO_SIZE;\n samplerate = AV_RB24(st->codecpar->extradata + 10) >> 4;\n if (!samplerate)\n return AVERROR_INVALIDDATA;\n avpriv_set_pts_info(st, 64, 1, samplerate);\n } else if (mdt == FLAC_METADATA_TYPE_VORBIS_COMMENT) {\n ff_vorbis_stream_comment(s, st, os->buf + os->pstart + 4, os->psize - 4);\n }\n return 1;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\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}'] |
21,458 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/constant_time_locl.h/#L140 | static inline unsigned int constant_time_lt(unsigned int a, unsigned int b)
{
return constant_time_msb(a ^ ((a ^ b) | ((a - b) ^ b)));
} | ['int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,\n const unsigned char *from, int flen,\n int num)\n{\n int i;\n unsigned char *em = NULL;\n unsigned int good, found_zero_byte;\n int zero_index = 0, msg_index, mlen = -1;\n if (tlen < 0 || flen < 0)\n return -1;\n if (flen > num)\n goto err;\n if (num < 11)\n goto err;\n em = OPENSSL_malloc(num);\n if (em == NULL) {\n RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, ERR_R_MALLOC_FAILURE);\n return -1;\n }\n memset(em, 0, num);\n memcpy(em + num - flen, from, flen);\n good = constant_time_is_zero(em[0]);\n good &= constant_time_eq(em[1], 2);\n found_zero_byte = 0;\n for (i = 2; i < num; i++) {\n unsigned int equals0 = constant_time_is_zero(em[i]);\n zero_index =\n constant_time_select_int(~found_zero_byte & equals0, i,\n zero_index);\n found_zero_byte |= equals0;\n }\n good &= constant_time_ge((unsigned int)(zero_index), 2 + 8);\n msg_index = zero_index + 1;\n mlen = num - msg_index;\n good &= constant_time_ge((unsigned int)(tlen), (unsigned int)(mlen));\n if (!good) {\n mlen = -1;\n goto err;\n }\n memcpy(to, em + msg_index, mlen);\n err:\n if (em != NULL)\n OPENSSL_free(em);\n if (mlen == -1)\n RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,\n RSA_R_PKCS_DECODING_ERROR);\n return mlen;\n}', 'static inline unsigned int constant_time_ge(unsigned int a, unsigned int b)\n{\n return ~constant_time_lt(a, b);\n}', 'static inline unsigned int constant_time_lt(unsigned int a, unsigned int b)\n{\n return constant_time_msb(a ^ ((a ^ b) | ((a - b) ^ b)));\n}'] |
21,459 | 0 | https://github.com/openssl/openssl/blob/3a66e306e45215b2dac68f66eb6b1012a94f17e5/crypto/bn/bn_asm.c/#L400 | BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
{
BN_ULONG t1,t2;
int c=0;
bn_check_num(n);
if (n <= 0) return((BN_ULONG)0);
for (;;)
{
t1=a[0]; t2=b[0];
r[0]=(t1-t2-c)&BN_MASK2;
if (t1 != t2) c=(t1 < t2);
if (--n <= 0) break;
t1=a[1]; t2=b[1];
r[1]=(t1-t2-c)&BN_MASK2;
if (t1 != t2) c=(t1 < t2);
if (--n <= 0) break;
t1=a[2]; t2=b[2];
r[2]=(t1-t2-c)&BN_MASK2;
if (t1 != t2) c=(t1 < t2);
if (--n <= 0) break;
t1=a[3]; t2=b[3];
r[3]=(t1-t2-c)&BN_MASK2;
if (t1 != t2) c=(t1 < t2);
if (--n <= 0) break;
a+=4;
b+=4;
r+=4;
}
return(c);
} | ['static int ssl3_get_client_key_exchange(SSL *s)\n\t{\n\tint i,al,ok;\n\tlong n;\n\tunsigned long l;\n\tunsigned char *p;\n#ifndef NO_RSA\n\tRSA *rsa=NULL;\n\tEVP_PKEY *pkey=NULL;\n#endif\n#ifndef NO_DH\n\tBIGNUM *pub=NULL;\n\tDH *dh_srvr;\n#endif\n\tn=ssl3_get_message(s,\n\t\tSSL3_ST_SR_KEY_EXCH_A,\n\t\tSSL3_ST_SR_KEY_EXCH_B,\n\t\tSSL3_MT_CLIENT_KEY_EXCHANGE,\n\t\t400,\n\t\t&ok);\n\tif (!ok) return((int)n);\n\tp=(unsigned char *)s->init_buf->data;\n\tl=s->s3->tmp.new_cipher->algorithms;\n#ifndef NO_RSA\n\tif (l & SSL_kRSA)\n\t\t{\n\t\tif (s->s3->tmp.use_rsa_tmp)\n\t\t\t{\n\t\t\tif ((s->cert != NULL) && (s->cert->rsa_tmp != NULL))\n\t\t\t\trsa=s->cert->rsa_tmp;\n\t\t\tif (rsa == NULL)\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_MISSING_TMP_RSA_PKEY);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey=s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey;\n\t\t\tif (\t(pkey == NULL) ||\n\t\t\t\t(pkey->type != EVP_PKEY_RSA) ||\n\t\t\t\t(pkey->pkey.rsa == NULL))\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_MISSING_RSA_CERTIFICATE);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\trsa=pkey->pkey.rsa;\n\t\t\t}\n\t\tif (s->version > SSL3_VERSION)\n\t\t\t{\n\t\t\tn2s(p,i);\n\t\t\tif (n != i+2)\n\t\t\t\t{\n\t\t\t\tif (!(s->options & SSL_OP_TLS_D5_BUG))\n\t\t\t\t\t{\n\t\t\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\tp-=2;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tn=i;\n\t\t\t}\n\t\ti=RSA_private_decrypt((int)n,p,p,rsa,RSA_PKCS1_PADDING);\n#if 1\n\t\tif ((i != SSL_MAX_MASTER_KEY_LENGTH) ||\n\t\t\t((p[0] != (s->client_version>>8)) ||\n\t\t\t (p[1] != (s->client_version & 0xff))))\n\t\t\t{\n\t\t\tint bad=1;\n\t\t\tif ((i == SSL_MAX_MASTER_KEY_LENGTH) &&\n\t\t\t\t(p[0] == (s->version>>8)) &&\n\t\t\t\t(p[1] == 0))\n\t\t\t\t{\n\t\t\t\tif (s->options & SSL_OP_TLS_ROLLBACK_BUG)\n\t\t\t\t\tbad=0;\n\t\t\t\t}\n\t\t\tif (bad)\n\t\t\t\t{\n\t\t\t\tp[0]=(s->version>>8);\n\t\t\t\tp[1]=(s->version & 0xff);\n\t\t\t\tRAND_bytes(&(p[2]),SSL_MAX_MASTER_KEY_LENGTH-2);\n\t\t\t\ti=SSL_MAX_MASTER_KEY_LENGTH;\n\t\t\t\t}\n\t\t\t}\n#else\n\t\tif (i != SSL_MAX_MASTER_KEY_LENGTH)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_BAD_RSA_DECRYPT);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif ((p[0] != (s->version>>8)) || (p[1] != (s->version & 0xff)))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_BAD_PROTOCOL_VERSION_NUMBER);\n\t\t\tgoto f_err;\n\t\t\t}\n#endif\n\t\ts->session->master_key_length=\n\t\t\ts->method->ssl3_enc->generate_master_secret(s,\n\t\t\t\ts->session->master_key,\n\t\t\t\tp,i);\n\t\tmemset(p,0,i);\n\t\t}\n\telse\n#endif\n#ifndef NO_DH\n\t\tif (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd))\n\t\t{\n\t\tn2s(p,i);\n\t\tif (n != i+2)\n\t\t\t{\n\t\t\tif (!(s->options & SSL_OP_SSLEAY_080_CLIENT_DH_BUG))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tp-=2;\n\t\t\t\ti=(int)n;\n\t\t\t\t}\n\t\t\t}\n\t\tif (n == 0L)\n\t\t\t{\n\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_UNABLE_TO_DECODE_DH_CERTS);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (s->s3->tmp.dh == NULL)\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_MISSING_TMP_DH_KEY);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tdh_srvr=s->s3->tmp.dh;\n\t\t\t}\n\t\tpub=BN_bin2bn(p,i,NULL);\n\t\tif (pub == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_BN_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\ti=DH_compute_key(p,pub,dh_srvr);\n\t\tif (i <= 0)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_DH_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tDH_free(s->s3->tmp.dh);\n\t\ts->s3->tmp.dh=NULL;\n\t\tBN_clear_free(pub);\n\t\tpub=NULL;\n\t\ts->session->master_key_length=\n\t\t\ts->method->ssl3_enc->generate_master_secret(s,\n\t\t\t\ts->session->master_key,p,i);\n\t\t}\n\telse\n#endif\n\t\t{\n\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_UNKNOWN_CIPHER_TYPE);\n\t\tgoto f_err;\n\t\t}\n\treturn(1);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\n#if !defined(NO_DH) || !defined(NO_RSA)\nerr:\n#endif\n\treturn(-1);\n\t}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n\t{\n\tunsigned int i,m;\n\tunsigned int n;\n\tBN_ULONG l;\n\tif (ret == NULL) ret=BN_new();\n\tif (ret == NULL) return(NULL);\n\tl=0;\n\tn=len;\n\tif (n == 0)\n\t\t{\n\t\tret->top=0;\n\t\treturn(ret);\n\t\t}\n\tif (bn_expand(ret,(int)(n+2)*8) == NULL)\n\t\treturn(NULL);\n\ti=((n-1)/BN_BYTES)+1;\n\tm=((n-1)%(BN_BYTES));\n\tret->top=i;\n\twhile (n-- > 0)\n\t\t{\n\t\tl=(l<<8L)| *(s++);\n\t\tif (m-- == 0)\n\t\t\t{\n\t\t\tret->d[--i]=l;\n\t\t\tl=0;\n\t\t\tm=BN_BYTES-1;\n\t\t\t}\n\t\t}\n\tbn_fix_top(ret);\n\treturn(ret);\n\t}', 'int DH_compute_key(unsigned char *key, BIGNUM *pub_key, DH *dh)\n\t{\n\tBN_CTX ctx;\n\tBN_MONT_CTX *mont;\n\tBIGNUM *tmp;\n\tint ret= -1;\n\tBN_CTX_init(&ctx);\n\ttmp= &(ctx.bn[ctx.tos++]);\n\tif (dh->priv_key == NULL)\n\t\t{\n\t\tDHerr(DH_F_DH_COMPUTE_KEY,DH_R_NO_PRIVATE_VALUE);\n\t\tgoto err;\n\t\t}\n\tif ((dh->method_mont_p == NULL) && (dh->flags & DH_FLAG_CACHE_MONT_P))\n\t\t{\n\t\tif ((dh->method_mont_p=(char *)BN_MONT_CTX_new()) != NULL)\n\t\t\tif (!BN_MONT_CTX_set((BN_MONT_CTX *)dh->method_mont_p,\n\t\t\t\tdh->p,&ctx)) goto err;\n\t\t}\n\tmont=(BN_MONT_CTX *)dh->method_mont_p;\n\tif (!BN_mod_exp_mont(tmp,pub_key,dh->priv_key,dh->p,&ctx,mont))\n\t\t{\n\t\tDHerr(DH_F_DH_COMPUTE_KEY,ERR_R_BN_LIB);\n\t\tgoto err;\n\t\t}\n\tret=BN_bn2bin(tmp,key);\nerr:\n\tBN_CTX_free(&ctx);\n\treturn(ret);\n\t}', 'int BN_mod_exp_mont(BIGNUM *rr, BIGNUM *a, const BIGNUM *p,\n\t\t const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tint i,j,bits,ret=0,wstart,wend,window,wvalue;\n\tint start=1,ts=0;\n\tBIGNUM *d,*r;\n\tBIGNUM *aa;\n\tBIGNUM val[TABLE_SIZE];\n\tBN_MONT_CTX *mont=NULL;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n\tif (!(m->d[0] & 1))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT,BN_R_CALLED_WITH_EVEN_MODULUS);\n\t\treturn(0);\n\t\t}\n\td= &(ctx->bn[ctx->tos++]);\n\tr= &(ctx->bn[ctx->tos++]);\n\tbits=BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tBN_one(r);\n\t\treturn(1);\n\t\t}\n#if 1\n\tif (in_mont != NULL)\n\t\tmont=in_mont;\n\telse\n#endif\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\tBN_init(&val[0]);\n\tts=1;\n\tif (BN_ucmp(a,m) >= 0)\n\t\t{\n\t\tBN_mod(&(val[0]),a,m,ctx);\n\t\taa= &(val[0]);\n\t\t}\n\telse\n\t\taa=a;\n\tif (!BN_to_montgomery(&(val[0]),aa,mont,ctx)) goto err;\n\tif (!BN_mod_mul_montgomery(d,&(val[0]),&(val[0]),mont,ctx)) goto err;\n\tif (bits <= 20)\n\t\twindow=1;\n\telse if (bits >= 256)\n\t\twindow=5;\n\telse if (bits >= 128)\n\t\twindow=4;\n\telse\n\t\twindow=3;\n\tj=1<<(window-1);\n\tfor (i=1; i<j; i++)\n\t\t{\n\t\tBN_init(&(val[i]));\n\t\tif (!BN_mod_mul_montgomery(&(val[i]),&(val[i-1]),d,mont,ctx))\n\t\t\tgoto err;\n\t\t}\n\tts=i;\n\tstart=1;\n\twvalue=0;\n\twstart=bits-1;\n\twend=0;\n if (!BN_to_montgomery(r,BN_value_one(),mont,ctx)) 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\t{\n\t\t\t\tif (!BN_mod_mul_montgomery(r,r,r,mont,ctx))\n\t\t\t\tgoto err;\n\t\t\t\t}\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_montgomery(r,r,r,mont,ctx))\n\t\t\t\t\tgoto err;\n\t\t\t\t}\n\t\tif (!BN_mod_mul_montgomery(r,r,&(val[wvalue>>1]),mont,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\tBN_from_montgomery(rr,r,mont,ctx);\n\tret=1;\nerr:\n\tif ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);\n\tctx->tos-=2;\n\tfor (i=0; i<ts; i++)\n\t\tBN_clear_free(&(val[i]));\n\treturn(ret);\n\t}', 'int BN_mod_mul_montgomery(BIGNUM *r, BIGNUM *a, BIGNUM *b,\n\t\t\t BN_MONT_CTX *mont, BN_CTX *ctx)\n\t{\n\tBIGNUM *tmp,*tmp2;\n tmp= &(ctx->bn[ctx->tos]);\n tmp2= &(ctx->bn[ctx->tos]);\n\tctx->tos+=2;\n\tbn_check_top(tmp);\n\tbn_check_top(tmp2);\n\tif (a == b)\n\t\t{\n#if 0\n\t\tbn_wexpand(tmp,a->top*2);\n\t\tbn_wexpand(tmp2,a->top*4);\n\t\tbn_sqr_recursive(tmp->d,a->d,a->top,tmp2->d);\n\t\ttmp->top=a->top*2;\n\t\tif (tmp->d[tmp->top-1] == 0)\n\t\t\ttmp->top--;\n#else\n\t\tif (!BN_sqr(tmp,a,ctx)) goto err;\n#endif\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\tctx->tos-=2;\n\treturn(1);\nerr:\n\treturn(0);\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}', 'void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int tn,\n\t int n, BN_ULONG *t)\n\t{\n\tint i,j,n2=n*2;\n\tunsigned int c1;\n\tBN_ULONG ln,lo,*p;\n#ifdef BN_COUNT\nprintf(" bn_mul_part_recursive %d * %d\\n",tn+n,tn+n);\n#endif\n\tif (n < 8)\n\t\t{\n\t\ti=tn+n;\n\t\tbn_mul_normal(r,a,i,b,i);\n\t\treturn;\n\t\t}\n\tbn_sub_words(t, a, &(a[n]),n);\n\tbn_sub_words(&(t[n]),b, &(b[n]),n);\n if (n == 8)\n\t\t{\n\t\tbn_mul_comba8(&(t[n2]),t,&(t[n]));\n\t\tbn_mul_comba8(r,a,b);\n\t\tbn_mul_normal(&(r[n2]),&(a[n]),tn,&(b[n]),tn);\n\t\tmemset(&(r[n2+tn*2]),0,sizeof(BN_ULONG)*(n2-tn*2));\n\t\t}\n\telse\n\t\t{\n\t\tp= &(t[n2*2]);\n\t\tbn_mul_recursive(&(t[n2]),t,&(t[n]),n,p);\n\t\tbn_mul_recursive(r,a,b,n,p);\n\t\ti=n/2;\n\t\tj=tn-i;\n\t\tif (j == 0)\n\t\t\t{\n\t\t\tbn_mul_recursive(&(r[n2]),&(a[n]),&(b[n]),i,p);\n\t\t\tmemset(&(r[n2+i*2]),0,sizeof(BN_ULONG)*(n2-i*2));\n\t\t\t}\n\t\telse if (j > 0)\n\t\t\t\t{\n\t\t\t\tbn_mul_part_recursive(&(r[n2]),&(a[n]),&(b[n]),\n\t\t\t\t\tj,i,p);\n\t\t\t\tmemset(&(r[n2+tn*2]),0,\n\t\t\t\t\tsizeof(BN_ULONG)*(n2-tn*2));\n\t\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tmemset(&(r[n2]),0,sizeof(BN_ULONG)*n2);\n\t\t\tif (tn < BN_MUL_RECURSIVE_SIZE_NORMAL)\n\t\t\t\t{\n\t\t\t\tbn_mul_normal(&(r[n2]),&(a[n]),tn,&(b[n]),tn);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tfor (;;)\n\t\t\t\t\t{\n\t\t\t\t\ti/=2;\n\t\t\t\t\tif (i < tn)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tbn_mul_part_recursive(&(r[n2]),\n\t\t\t\t\t\t\t&(a[n]),&(b[n]),\n\t\t\t\t\t\t\ttn-i,i,p);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\telse if (i == tn)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tbn_mul_recursive(&(r[n2]),\n\t\t\t\t\t\t\t&(a[n]),&(b[n]),\n\t\t\t\t\t\t\ti,p);\n\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\tc1=(int)(bn_add_words(t,r,&(r[n2]),n2));\n\tc1-=(int)(bn_sub_words(&(t[n2]),t,&(t[n2]),n2));\n\tc1+=(int)(bn_add_words(&(r[n]),&(r[n]),&(t[n2]),n2));\n\tif (c1)\n\t\t{\n\t\tp= &(r[n+n2]);\n\t\tlo= *p;\n\t\tln=(lo+c1)&BN_MASK2;\n\t\t*p=ln;\n\t\tif (ln < c1)\n\t\t\t{\n\t\t\tdo\t{\n\t\t\t\tp++;\n\t\t\t\tlo= *p;\n\t\t\t\tln=(lo+1)&BN_MASK2;\n\t\t\t\t*p=ln;\n\t\t\t\t} while (ln == 0);\n\t\t\t}\n\t\t}\n\t}', 'BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)\n {\n\tBN_ULONG t1,t2;\n\tint c=0;\n\tbn_check_num(n);\n\tif (n <= 0) return((BN_ULONG)0);\n\tfor (;;)\n\t\t{\n\t\tt1=a[0]; t2=b[0];\n\t\tr[0]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\tt1=a[1]; t2=b[1];\n\t\tr[1]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\tt1=a[2]; t2=b[2];\n\t\tr[2]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\tt1=a[3]; t2=b[3];\n\t\tr[3]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\ta+=4;\n\t\tb+=4;\n\t\tr+=4;\n\t\t}\n\treturn(c);\n\t}'] |
21,460 | 0 | https://github.com/openssl/openssl/blob/748e85308ef4f3e672975b3604ea2d76424fa404/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)\n{\n BN_CTX *bn_ctx = BN_CTX_new();\n BIGNUM *p = BN_new();\n BIGNUM *r = BN_new();\n int ret =\n g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&\n BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&\n p != NULL && BN_rshift1(p, N) &&\n BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&\n r != NULL &&\n BN_mod_exp(r, g, p, N, bn_ctx) &&\n BN_add_word(r, 1) && BN_cmp(r, N) == 0;\n BN_free(r);\n BN_free(p);\n BN_CTX_free(bn_ctx);\n return ret;\n}', 'int BN_is_prime_ex(const BIGNUM *a, int checks, BN_CTX *ctx_passed,\n BN_GENCB *cb)\n{\n return BN_is_prime_fasttest_ex(a, checks, ctx_passed, 0, cb);\n}', 'int BN_is_prime_fasttest_ex(const BIGNUM *a, int checks, BN_CTX *ctx_passed,\n int do_trial_division, BN_GENCB *cb)\n{\n int i, j, ret = -1;\n int k;\n BN_CTX *ctx = NULL;\n BIGNUM *A1, *A1_odd, *check;\n BN_MONT_CTX *mont = NULL;\n const BIGNUM *A = NULL;\n if (BN_cmp(a, BN_value_one()) <= 0)\n return 0;\n if (checks == BN_prime_checks)\n checks = BN_prime_checks_for_size(BN_num_bits(a));\n if (!BN_is_odd(a))\n return BN_is_word(a, 2);\n if (do_trial_division) {\n for (i = 1; i < NUMPRIMES; i++)\n if (BN_mod_word(a, primes[i]) == 0)\n return 0;\n if (!BN_GENCB_call(cb, 1, -1))\n goto err;\n }\n if (ctx_passed != NULL)\n ctx = ctx_passed;\n else if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n if (a->neg) {\n BIGNUM *t;\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n BN_copy(t, a);\n t->neg = 0;\n A = t;\n } else\n A = a;\n A1 = BN_CTX_get(ctx);\n A1_odd = BN_CTX_get(ctx);\n check = BN_CTX_get(ctx);\n if (check == NULL)\n goto err;\n if (!BN_copy(A1, A))\n goto err;\n if (!BN_sub_word(A1, 1))\n goto err;\n if (BN_is_zero(A1)) {\n ret = 0;\n goto err;\n }\n k = 1;\n while (!BN_is_bit_set(A1, k))\n k++;\n if (!BN_rshift(A1_odd, A1, k))\n goto err;\n mont = BN_MONT_CTX_new();\n if (mont == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, A, ctx))\n goto err;\n for (i = 0; i < checks; i++) {\n if (!BN_pseudo_rand_range(check, A1))\n goto err;\n if (!BN_add_word(check, 1))\n goto err;\n j = witness(check, A, A1, A1_odd, k, ctx, mont);\n if (j == -1)\n goto err;\n if (j) {\n ret = 0;\n goto err;\n }\n if (!BN_GENCB_call(cb, 1, i))\n goto err;\n }\n ret = 1;\n err:\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n if (ctx_passed == NULL)\n BN_CTX_free(ctx);\n }\n BN_MONT_CTX_free(mont);\n return (ret);\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 -1;\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 (!aa || !val[0])\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 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 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}'] |
21,461 | 0 | https://github.com/openssl/openssl/blob/c504a5e78386aa9f02462d18a90da759f9131321/crypto/asn1/ameth_lib.c/#L227 | const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
const char *str, int len)
{
int i;
const EVP_PKEY_ASN1_METHOD *ameth;
if (len == -1)
len = strlen(str);
if (pe)
{
#ifndef OPENSSL_NO_ENGINE
ENGINE *e;
for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
{
ameth = ENGINE_get_pkey_asn1_meth_str(e, str, len);
if (ameth)
{
if (!ENGINE_init(e))
ameth = NULL;
ENGINE_free(e);
*pe = e;
return ameth;
}
}
#endif
*pe = NULL;
}
for (i = 0; i < EVP_PKEY_asn1_get_count(); i++)
{
ameth = EVP_PKEY_asn1_get0(i);
if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
continue;
if (((int)strlen(ameth->pem_str) == len) &&
!strncasecmp(ameth->pem_str, str, len))
return ameth;
}
return NULL;
} | ['const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,\n\t\t\t\t\tconst char *str, int len)\n\t{\n\tint i;\n\tconst EVP_PKEY_ASN1_METHOD *ameth;\n\tif (len == -1)\n\t\tlen = strlen(str);\n\tif (pe)\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tENGINE *e;\n\t\tfor (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))\n\t\t\t{\n\t\t\tameth = ENGINE_get_pkey_asn1_meth_str(e, str, len);\n\t\t\tif (ameth)\n\t\t\t\t{\n\t\t\t\tif (!ENGINE_init(e))\n\t\t\t\t\tameth = NULL;\n\t\t\t\tENGINE_free(e);\n\t\t\t\t*pe = e;\n\t\t\t\treturn ameth;\n\t\t\t\t}\n\t\t\t}\n#endif\n\t\t*pe = NULL;\n\t\t}\n\tfor (i = 0; i < EVP_PKEY_asn1_get_count(); i++)\n\t\t{\n\t\tameth = EVP_PKEY_asn1_get0(i);\n\t\tif (ameth->pkey_flags & ASN1_PKEY_ALIAS)\n\t\t\tcontinue;\n\t\tif (((int)strlen(ameth->pem_str) == len) &&\n\t\t\t!strncasecmp(ameth->pem_str, str, len))\n\t\t\treturn ameth;\n\t\t}\n\treturn NULL;\n\t}', 'ENGINE *ENGINE_get_first(void)\n\t{\n\tENGINE *ret;\n\tCRYPTO_w_lock(CRYPTO_LOCK_ENGINE);\n\tret = engine_list_head;\n\tif(ret)\n\t\t{\n\t\tret->struct_ref++;\n\t\tengine_ref_debug(ret, 0, 1)\n\t\t}\n\tCRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);\n\treturn ret;\n\t}', 'void CRYPTO_lock(int mode, int type, const char *file, int line)\n\t{\n#ifdef LOCK_DEBUG\n\t\t{\n\t\tchar *rw_text,*operation_text;\n\t\tif (mode & CRYPTO_LOCK)\n\t\t\toperation_text="lock ";\n\t\telse if (mode & CRYPTO_UNLOCK)\n\t\t\toperation_text="unlock";\n\t\telse\n\t\t\toperation_text="ERROR ";\n\t\tif (mode & CRYPTO_READ)\n\t\t\trw_text="r";\n\t\telse if (mode & CRYPTO_WRITE)\n\t\t\trw_text="w";\n\t\telse\n\t\t\trw_text="ERROR";\n\t\tfprintf(stderr,"lock:%08lx/%08p:(%s)%s %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(), CRYPTO_thread_idptr(), rw_text, operation_text,\n\t\t\tCRYPTO_get_lock_name(type), file, line);\n\t\t}\n#endif\n\tif (type < 0)\n\t\t{\n\t\tif (dynlock_lock_callback != NULL)\n\t\t\t{\n\t\t\tstruct CRYPTO_dynlock_value *pointer\n\t\t\t\t= CRYPTO_get_dynlock_value(type);\n\t\t\tOPENSSL_assert(pointer != NULL);\n\t\t\tdynlock_lock_callback(mode, pointer, file, line);\n\t\t\tCRYPTO_destroy_dynlockid(type);\n\t\t\t}\n\t\t}\n\telse\n\t\tif (locking_callback != NULL)\n\t\t\tlocking_callback(mode,type,file,line);\n\t}', 'int EVP_PKEY_asn1_get_count(void)\n\t{\n\tint num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *);\n\tif (app_methods)\n\t\tnum += sk_num(app_methods);\n\treturn num;\n\t}', 'const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)\n\t{\n\tint num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *);\n\tif (idx < 0)\n\t\treturn NULL;\n\tif (idx < num)\n\t\treturn standard_methods[idx];\n\tidx -= num;\n\treturn (const EVP_PKEY_ASN1_METHOD *)sk_value(app_methods, idx);\n\t}', 'char *sk_value(const STACK *st, int i)\n{\n\tif(!st || (i < 0) || (i >= st->num)) return NULL;\n\treturn st->data[i];\n}'] |
21,462 | 0 | https://github.com/nginx/nginx/blob/ce05841eefe0e6c5d18ae9b0fb8f9fbd7e99afdd/src/http/ngx_http_core_module.c/#L1757 | void
ngx_http_set_exten(ngx_http_request_t *r)
{
ngx_int_t i;
ngx_str_null(&r->exten);
for (i = r->uri.len - 1; i > 1; i--) {
if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
r->exten.len = r->uri.len - i - 1;
r->exten.data = &r->uri.data[i + 1];
return;
} else if (r->uri.data[i] == '/') {
return;
}
}
return;
} | ['static ngx_int_t\nngx_http_memcached_handler(ngx_http_request_t *r)\n{\n ngx_int_t rc;\n ngx_http_upstream_t *u;\n ngx_http_memcached_ctx_t *ctx;\n ngx_http_memcached_loc_conf_t *mlcf;\n if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {\n return NGX_HTTP_NOT_ALLOWED;\n }\n rc = ngx_http_discard_request_body(r);\n if (rc != NGX_OK) {\n return rc;\n }\n if (ngx_http_set_content_type(r) != NGX_OK) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n if (ngx_http_upstream_create(r) != NGX_OK) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n u = r->upstream;\n ngx_str_set(&u->schema, "memcached://");\n u->output.tag = (ngx_buf_tag_t) &ngx_http_memcached_module;\n mlcf = ngx_http_get_module_loc_conf(r, ngx_http_memcached_module);\n u->conf = &mlcf->upstream;\n u->create_request = ngx_http_memcached_create_request;\n u->reinit_request = ngx_http_memcached_reinit_request;\n u->process_header = ngx_http_memcached_process_header;\n u->abort_request = ngx_http_memcached_abort_request;\n u->finalize_request = ngx_http_memcached_finalize_request;\n ctx = ngx_palloc(r->pool, sizeof(ngx_http_memcached_ctx_t));\n if (ctx == NULL) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n ctx->request = r;\n ngx_http_set_ctx(r, ctx, ngx_http_memcached_module);\n u->input_filter_init = ngx_http_memcached_filter_init;\n u->input_filter = ngx_http_memcached_filter;\n u->input_filter_ctx = ctx;\n r->main->count++;\n ngx_http_upstream_init(r);\n return NGX_DONE;\n}', 'ngx_int_t\nngx_http_upstream_create(ngx_http_request_t *r)\n{\n ngx_http_upstream_t *u;\n u = r->upstream;\n if (u && u->cleanup) {\n r->main->count++;\n ngx_http_upstream_cleanup(r);\n }\n u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));\n if (u == NULL) {\n return NGX_ERROR;\n }\n r->upstream = u;\n u->peer.log = r->connection->log;\n u->peer.log_error = NGX_ERROR_ERR;\n#if (NGX_HTTP_CACHE)\n r->cache = NULL;\n#endif\n u->headers_in.content_length_n = -1;\n u->headers_in.last_modified_time = -1;\n return NGX_OK;\n}', 'void\nngx_http_upstream_init(ngx_http_request_t *r)\n{\n ngx_connection_t *c;\n c = r->connection;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http init upstream, client timer: %d", c->read->timer_set);\n#if (NGX_HTTP_SPDY)\n if (r->spdy_stream) {\n ngx_http_upstream_init_request(r);\n return;\n }\n#endif\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (ngx_event_flags & NGX_USE_CLEAR_EVENT) {\n if (!c->write->active) {\n if (ngx_add_event(c->write, NGX_WRITE_EVENT, NGX_CLEAR_EVENT)\n == NGX_ERROR)\n {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n }\n }\n ngx_http_upstream_init_request(r);\n}', 'static void\nngx_http_upstream_init_request(ngx_http_request_t *r)\n{\n ngx_str_t *host;\n ngx_uint_t i;\n ngx_resolver_ctx_t *ctx, temp;\n ngx_http_cleanup_t *cln;\n ngx_http_upstream_t *u;\n ngx_http_core_loc_conf_t *clcf;\n ngx_http_upstream_srv_conf_t *uscf, **uscfp;\n ngx_http_upstream_main_conf_t *umcf;\n if (r->aio) {\n return;\n }\n u = r->upstream;\n#if (NGX_HTTP_CACHE)\n if (u->conf->cache) {\n ngx_int_t rc;\n rc = ngx_http_upstream_cache(r, u);\n if (rc == NGX_BUSY) {\n r->write_event_handler = ngx_http_upstream_init_request;\n return;\n }\n r->write_event_handler = ngx_http_request_empty_handler;\n if (rc == NGX_ERROR) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n if (rc == NGX_OK) {\n rc = ngx_http_upstream_cache_send(r, u);\n if (rc == NGX_DONE) {\n return;\n }\n if (rc == NGX_HTTP_UPSTREAM_INVALID_HEADER) {\n rc = NGX_DECLINED;\n r->cached = 0;\n }\n }\n if (rc != NGX_DECLINED) {\n ngx_http_finalize_request(r, rc);\n return;\n }\n }\n#endif\n u->store = u->conf->store;\n if (!u->store && !r->post_action && !u->conf->ignore_client_abort) {\n r->read_event_handler = ngx_http_upstream_rd_check_broken_connection;\n r->write_event_handler = ngx_http_upstream_wr_check_broken_connection;\n }\n if (r->request_body) {\n u->request_bufs = r->request_body->bufs;\n }\n if (u->create_request(r) != NGX_OK) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n u->peer.local = ngx_http_upstream_get_local(r, u->conf->local);\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n u->output.alignment = clcf->directio_alignment;\n u->output.pool = r->pool;\n u->output.bufs.num = 1;\n u->output.bufs.size = clcf->client_body_buffer_size;\n if (u->output.output_filter == NULL) {\n u->output.output_filter = ngx_chain_writer;\n u->output.filter_ctx = &u->writer;\n }\n u->writer.pool = r->pool;\n if (r->upstream_states == NULL) {\n r->upstream_states = ngx_array_create(r->pool, 1,\n sizeof(ngx_http_upstream_state_t));\n if (r->upstream_states == NULL) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n } else {\n u->state = ngx_array_push(r->upstream_states);\n if (u->state == NULL) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t));\n }\n cln = ngx_http_cleanup_add(r, 0);\n if (cln == NULL) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n cln->handler = ngx_http_upstream_cleanup;\n cln->data = r;\n u->cleanup = &cln->handler;\n if (u->resolved == NULL) {\n uscf = u->conf->upstream;\n } else {\n#if (NGX_HTTP_SSL)\n u->ssl_name = u->resolved->host;\n#endif\n if (u->resolved->sockaddr) {\n if (ngx_http_upstream_create_round_robin_peer(r, u->resolved)\n != NGX_OK)\n {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n ngx_http_upstream_connect(r, u);\n return;\n }\n host = &u->resolved->host;\n umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);\n uscfp = umcf->upstreams.elts;\n for (i = 0; i < umcf->upstreams.nelts; i++) {\n uscf = uscfp[i];\n if (uscf->host.len == host->len\n && ((uscf->port == 0 && u->resolved->no_port)\n || uscf->port == u->resolved->port)\n && ngx_strncasecmp(uscf->host.data, host->data, host->len) == 0)\n {\n goto found;\n }\n }\n if (u->resolved->port == 0) {\n ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,\n "no port in upstream \\"%V\\"", host);\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n temp.name = *host;\n ctx = ngx_resolve_start(clcf->resolver, &temp);\n if (ctx == NULL) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n if (ctx == NGX_NO_RESOLVER) {\n ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,\n "no resolver defined to resolve %V", host);\n ngx_http_upstream_finalize_request(r, u, NGX_HTTP_BAD_GATEWAY);\n return;\n }\n ctx->name = *host;\n ctx->handler = ngx_http_upstream_resolve_handler;\n ctx->data = r;\n ctx->timeout = clcf->resolver_timeout;\n u->resolved->ctx = ctx;\n if (ngx_resolve_name(ctx) != NGX_OK) {\n u->resolved->ctx = NULL;\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n return;\n }\nfound:\n if (uscf == NULL) {\n ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,\n "no upstream configuration");\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n#if (NGX_HTTP_SSL)\n u->ssl_name = uscf->host;\n#endif\n if (uscf->peer.init(r, uscf) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n u->peer.start_time = ngx_current_msec;\n if (u->conf->next_upstream_tries\n && u->peer.tries > u->conf->next_upstream_tries)\n {\n u->peer.tries = u->conf->next_upstream_tries;\n }\n ngx_http_upstream_connect(r, u);\n}', 'static ngx_int_t\nngx_http_upstream_cache_send(ngx_http_request_t *r, ngx_http_upstream_t *u)\n{\n ngx_int_t rc;\n ngx_http_cache_t *c;\n r->cached = 1;\n c = r->cache;\n if (c->header_start == c->body_start) {\n r->http_version = NGX_HTTP_VERSION_9;\n return ngx_http_cache_send(r);\n }\n u->buffer = *c->buf;\n u->buffer.pos += c->header_start;\n ngx_memzero(&u->headers_in, sizeof(ngx_http_upstream_headers_in_t));\n u->headers_in.content_length_n = -1;\n u->headers_in.last_modified_time = -1;\n if (ngx_list_init(&u->headers_in.headers, r->pool, 8,\n sizeof(ngx_table_elt_t))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n rc = u->process_header(r);\n if (rc == NGX_OK) {\n if (ngx_http_upstream_process_headers(r, u) != NGX_OK) {\n return NGX_DONE;\n }\n return ngx_http_cache_send(r);\n }\n if (rc == NGX_ERROR) {\n return NGX_ERROR;\n }\n return rc;\n}', "static ngx_int_t\nngx_http_upstream_process_headers(ngx_http_request_t *r, ngx_http_upstream_t *u)\n{\n ngx_str_t uri, args;\n ngx_uint_t i, flags;\n ngx_list_part_t *part;\n ngx_table_elt_t *h;\n ngx_http_upstream_header_t *hh;\n ngx_http_upstream_main_conf_t *umcf;\n umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);\n if (u->headers_in.x_accel_redirect\n && !(u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT))\n {\n ngx_http_upstream_finalize_request(r, u, NGX_DECLINED);\n part = &u->headers_in.headers.part;\n h = part->elts;\n for (i = 0; ; i++) {\n if (i >= part->nelts) {\n if (part->next == NULL) {\n break;\n }\n part = part->next;\n h = part->elts;\n i = 0;\n }\n hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash,\n h[i].lowcase_key, h[i].key.len);\n if (hh && hh->redirect) {\n if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) {\n ngx_http_finalize_request(r,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n }\n }\n uri = u->headers_in.x_accel_redirect->value;\n if (uri.data[0] == '@') {\n ngx_http_named_location(r, &uri);\n } else {\n ngx_str_null(&args);\n flags = NGX_HTTP_LOG_UNSAFE;\n if (ngx_http_parse_unsafe_uri(r, &uri, &args, &flags) != NGX_OK) {\n ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND);\n return NGX_DONE;\n }\n if (r->method != NGX_HTTP_HEAD) {\n r->method = NGX_HTTP_GET;\n }\n ngx_http_internal_redirect(r, &uri, &args);\n }\n ngx_http_finalize_request(r, NGX_DONE);\n return NGX_DONE;\n }\n part = &u->headers_in.headers.part;\n h = part->elts;\n for (i = 0; ; i++) {\n if (i >= part->nelts) {\n if (part->next == NULL) {\n break;\n }\n part = part->next;\n h = part->elts;\n i = 0;\n }\n if (ngx_hash_find(&u->conf->hide_headers_hash, h[i].hash,\n h[i].lowcase_key, h[i].key.len))\n {\n continue;\n }\n hh = ngx_hash_find(&umcf->headers_in_hash, h[i].hash,\n h[i].lowcase_key, h[i].key.len);\n if (hh) {\n if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n continue;\n }\n if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n }\n if (r->headers_out.server && r->headers_out.server->value.data == NULL) {\n r->headers_out.server->hash = 0;\n }\n if (r->headers_out.date && r->headers_out.date->value.data == NULL) {\n r->headers_out.date->hash = 0;\n }\n r->headers_out.status = u->headers_in.status_n;\n r->headers_out.status_line = u->headers_in.status_line;\n r->headers_out.content_length_n = u->headers_in.content_length_n;\n r->disable_not_modified = !u->cacheable;\n if (u->conf->force_ranges) {\n r->allow_ranges = 1;\n r->single_range = 1;\n#if (NGX_HTTP_CACHE)\n if (r->cached) {\n r->single_range = 0;\n }\n#endif\n }\n u->length = -1;\n return NGX_OK;\n}", 'static void\nngx_http_upstream_finalize_request(ngx_http_request_t *r,\n ngx_http_upstream_t *u, ngx_int_t rc)\n{\n ngx_uint_t flush;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "finalize http upstream request: %i", rc);\n if (u->cleanup == NULL) {\n ngx_http_finalize_request(r, NGX_DONE);\n return;\n }\n *u->cleanup = NULL;\n u->cleanup = NULL;\n if (u->resolved && u->resolved->ctx) {\n ngx_resolve_name_done(u->resolved->ctx);\n u->resolved->ctx = NULL;\n }\n if (u->state && u->state->response_time) {\n u->state->response_time = ngx_current_msec - u->state->response_time;\n if (u->pipe && u->pipe->read_length) {\n u->state->response_length = u->pipe->read_length;\n }\n }\n u->finalize_request(r, rc);\n if (u->peer.free && u->peer.sockaddr) {\n u->peer.free(&u->peer, u->peer.data, 0);\n u->peer.sockaddr = NULL;\n }\n if (u->peer.connection) {\n#if (NGX_HTTP_SSL)\n if (u->peer.connection->ssl) {\n u->peer.connection->ssl->no_wait_shutdown = 1;\n (void) ngx_ssl_shutdown(u->peer.connection);\n }\n#endif\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "close http upstream connection: %d",\n u->peer.connection->fd);\n if (u->peer.connection->pool) {\n ngx_destroy_pool(u->peer.connection->pool);\n }\n ngx_close_connection(u->peer.connection);\n }\n u->peer.connection = NULL;\n if (u->pipe && u->pipe->temp_file) {\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http upstream temp fd: %d",\n u->pipe->temp_file->file.fd);\n }\n if (u->store && u->pipe && u->pipe->temp_file\n && u->pipe->temp_file->file.fd != NGX_INVALID_FILE)\n {\n if (ngx_delete_file(u->pipe->temp_file->file.name.data)\n == NGX_FILE_ERROR)\n {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,\n ngx_delete_file_n " \\"%s\\" failed",\n u->pipe->temp_file->file.name.data);\n }\n }\n#if (NGX_HTTP_CACHE)\n if (r->cache) {\n if (u->cacheable) {\n if (rc == NGX_HTTP_BAD_GATEWAY || rc == NGX_HTTP_GATEWAY_TIME_OUT) {\n time_t valid;\n valid = ngx_http_file_cache_valid(u->conf->cache_valid, rc);\n if (valid) {\n r->cache->valid_sec = ngx_time() + valid;\n r->cache->error = rc;\n }\n }\n }\n ngx_http_file_cache_free(r->cache, u->pipe->temp_file);\n }\n#endif\n if (r->subrequest_in_memory\n && u->headers_in.status_n >= NGX_HTTP_SPECIAL_RESPONSE)\n {\n u->buffer.last = u->buffer.pos;\n }\n if (rc == NGX_DECLINED) {\n return;\n }\n r->connection->log->action = "sending to client";\n if (!u->header_sent\n || rc == NGX_HTTP_REQUEST_TIME_OUT\n || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST)\n {\n ngx_http_finalize_request(r, rc);\n return;\n }\n flush = 0;\n if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {\n rc = NGX_ERROR;\n flush = 1;\n }\n if (r->header_only) {\n ngx_http_finalize_request(r, rc);\n return;\n }\n if (rc == 0) {\n rc = ngx_http_send_special(r, NGX_HTTP_LAST);\n } else if (flush) {\n r->keepalive = 0;\n rc = ngx_http_send_special(r, NGX_HTTP_FLUSH);\n }\n ngx_http_finalize_request(r, rc);\n}', 'void\nngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)\n{\n ngx_connection_t *c;\n ngx_http_request_t *pr;\n ngx_http_core_loc_conf_t *clcf;\n c = r->connection;\n ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize request: %d, \\"%V?%V\\" a:%d, c:%d",\n rc, &r->uri, &r->args, r == c->data, r->main->count);\n if (rc == NGX_DONE) {\n ngx_http_finalize_connection(r);\n return;\n }\n if (rc == NGX_OK && r->filter_finalize) {\n c->error = 1;\n }\n if (rc == NGX_DECLINED) {\n r->content_handler = NULL;\n r->write_event_handler = ngx_http_core_run_phases;\n ngx_http_core_run_phases(r);\n return;\n }\n if (r != r->main && r->post_subrequest) {\n rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);\n }\n if (rc == NGX_ERROR\n || rc == NGX_HTTP_REQUEST_TIME_OUT\n || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST\n || c->error)\n {\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (r->main->blocked) {\n r->write_event_handler = ngx_http_request_finalizer;\n }\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (rc >= NGX_HTTP_SPECIAL_RESPONSE\n || rc == NGX_HTTP_CREATED\n || rc == NGX_HTTP_NO_CONTENT)\n {\n if (rc == NGX_HTTP_CLOSE) {\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (r == r->main) {\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n ngx_del_timer(c->write);\n }\n }\n c->read->handler = ngx_http_request_handler;\n c->write->handler = ngx_http_request_handler;\n ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));\n return;\n }\n if (r != r->main) {\n if (r->buffered || r->postponed) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n pr = r->parent;\n if (r == c->data) {\n r->main->count--;\n if (!r->logged) {\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->log_subrequest) {\n ngx_http_log_request(r);\n }\n r->logged = 1;\n } else {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "subrequest: \\"%V?%V\\" logged again",\n &r->uri, &r->args);\n }\n r->done = 1;\n if (pr->postponed && pr->postponed->request == r) {\n pr->postponed = pr->postponed->next;\n }\n c->data = pr;\n } else {\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n r->write_event_handler = ngx_http_request_finalizer;\n if (r->waited) {\n r->done = 1;\n }\n }\n if (ngx_http_post_request(pr, NULL) != NGX_OK) {\n r->main->count++;\n ngx_http_terminate_request(r, 0);\n return;\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http wake parent request: \\"%V?%V\\"",\n &pr->uri, &pr->args);\n return;\n }\n if (r->buffered || c->buffered || r->postponed || r->blocked) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n if (r != c->data) {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n return;\n }\n r->done = 1;\n r->write_event_handler = ngx_http_request_empty_handler;\n if (!r->post_action) {\n r->request_complete = 1;\n }\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n c->write->delayed = 0;\n ngx_del_timer(c->write);\n }\n if (c->read->eof) {\n ngx_http_close_request(r, 0);\n return;\n }\n ngx_http_finalize_connection(r);\n}', 'ngx_int_t\nngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)\n{\n ngx_uint_t i, err;\n ngx_http_err_page_t *err_page;\n ngx_http_core_loc_conf_t *clcf;\n ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http special response: %i, \\"%V?%V\\"",\n error, &r->uri, &r->args);\n r->err_status = error;\n if (r->keepalive) {\n switch (error) {\n case NGX_HTTP_BAD_REQUEST:\n case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE:\n case NGX_HTTP_REQUEST_URI_TOO_LARGE:\n case NGX_HTTP_TO_HTTPS:\n case NGX_HTTPS_CERT_ERROR:\n case NGX_HTTPS_NO_CERT:\n case NGX_HTTP_INTERNAL_SERVER_ERROR:\n case NGX_HTTP_NOT_IMPLEMENTED:\n r->keepalive = 0;\n }\n }\n if (r->lingering_close) {\n switch (error) {\n case NGX_HTTP_BAD_REQUEST:\n case NGX_HTTP_TO_HTTPS:\n case NGX_HTTPS_CERT_ERROR:\n case NGX_HTTPS_NO_CERT:\n r->lingering_close = 0;\n }\n }\n r->headers_out.content_type.len = 0;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (!r->error_page && clcf->error_pages && r->uri_changes != 0) {\n if (clcf->recursive_error_pages == 0) {\n r->error_page = 1;\n }\n err_page = clcf->error_pages->elts;\n for (i = 0; i < clcf->error_pages->nelts; i++) {\n if (err_page[i].status == error) {\n return ngx_http_send_error_page(r, &err_page[i]);\n }\n }\n }\n r->expect_tested = 1;\n if (ngx_http_discard_request_body(r) != NGX_OK) {\n r->keepalive = 0;\n }\n if (clcf->msie_refresh\n && r->headers_in.msie\n && (error == NGX_HTTP_MOVED_PERMANENTLY\n || error == NGX_HTTP_MOVED_TEMPORARILY))\n {\n return ngx_http_send_refresh(r);\n }\n if (error == NGX_HTTP_CREATED) {\n err = 0;\n } else if (error == NGX_HTTP_NO_CONTENT) {\n err = 0;\n } else if (error >= NGX_HTTP_MOVED_PERMANENTLY\n && error < NGX_HTTP_LAST_3XX)\n {\n err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_OFF_3XX;\n } else if (error >= NGX_HTTP_BAD_REQUEST\n && error < NGX_HTTP_LAST_4XX)\n {\n err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_OFF_4XX;\n } else if (error >= NGX_HTTP_NGINX_CODES\n && error < NGX_HTTP_LAST_5XX)\n {\n err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_OFF_5XX;\n switch (error) {\n case NGX_HTTP_TO_HTTPS:\n case NGX_HTTPS_CERT_ERROR:\n case NGX_HTTPS_NO_CERT:\n case NGX_HTTP_REQUEST_HEADER_TOO_LARGE:\n r->err_status = NGX_HTTP_BAD_REQUEST;\n break;\n }\n } else {\n err = 0;\n }\n return ngx_http_send_special_response(r, clcf, err);\n}', 'static ngx_int_t\nngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page)\n{\n ngx_int_t overwrite;\n ngx_str_t uri, args;\n ngx_table_elt_t *location;\n ngx_http_core_loc_conf_t *clcf;\n overwrite = err_page->overwrite;\n if (overwrite && overwrite != NGX_HTTP_OK) {\n r->expect_tested = 1;\n }\n if (overwrite >= 0) {\n r->err_status = overwrite;\n }\n if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) {\n return NGX_ERROR;\n }\n if (uri.len && uri.data[0] == \'/\') {\n if (err_page->value.lengths) {\n ngx_http_split_args(r, &uri, &args);\n } else {\n args = err_page->args;\n }\n if (r->method != NGX_HTTP_HEAD) {\n r->method = NGX_HTTP_GET;\n r->method_name = ngx_http_get_name;\n }\n return ngx_http_internal_redirect(r, &uri, &args);\n }\n if (uri.len && uri.data[0] == \'@\') {\n return ngx_http_named_location(r, &uri);\n }\n location = ngx_list_push(&r->headers_out.headers);\n if (location == NULL) {\n return NGX_ERROR;\n }\n if (overwrite != NGX_HTTP_MOVED_PERMANENTLY\n && overwrite != NGX_HTTP_MOVED_TEMPORARILY\n && overwrite != NGX_HTTP_SEE_OTHER\n && overwrite != NGX_HTTP_TEMPORARY_REDIRECT)\n {\n r->err_status = NGX_HTTP_MOVED_TEMPORARILY;\n }\n location->hash = 1;\n ngx_str_set(&location->key, "Location");\n location->value = uri;\n ngx_http_clear_location(r);\n r->headers_out.location = location;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->msie_refresh && r->headers_in.msie) {\n return ngx_http_send_refresh(r);\n }\n return ngx_http_send_special_response(r, clcf, r->err_status\n - NGX_HTTP_MOVED_PERMANENTLY\n + NGX_HTTP_OFF_3XX);\n}', 'ngx_int_t\nngx_http_internal_redirect(ngx_http_request_t *r,\n ngx_str_t *uri, ngx_str_t *args)\n{\n ngx_http_core_srv_conf_t *cscf;\n r->uri_changes--;\n if (r->uri_changes == 0) {\n ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,\n "rewrite or internal redirection cycle "\n "while internally redirecting to \\"%V\\"", uri);\n r->main->count++;\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n r->uri = *uri;\n if (args) {\n r->args = *args;\n } else {\n ngx_str_null(&r->args);\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "internal redirect: \\"%V?%V\\"", uri, &r->args);\n ngx_http_set_exten(r);\n ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module);\n cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);\n r->loc_conf = cscf->ctx->loc_conf;\n ngx_http_update_location_config(r);\n#if (NGX_HTTP_CACHE)\n r->cache = NULL;\n#endif\n r->internal = 1;\n r->valid_unparsed_uri = 0;\n r->add_uri_to_alias = 0;\n r->main->count++;\n ngx_http_handler(r);\n return NGX_DONE;\n}', "void\nngx_http_set_exten(ngx_http_request_t *r)\n{\n ngx_int_t i;\n ngx_str_null(&r->exten);\n for (i = r->uri.len - 1; i > 1; i--) {\n if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {\n r->exten.len = r->uri.len - i - 1;\n r->exten.data = &r->uri.data[i + 1];\n return;\n } else if (r->uri.data[i] == '/') {\n return;\n }\n }\n return;\n}"] |
21,463 | 0 | https://github.com/openssl/openssl/blob/e51511ce497884ebf680714271ec96416e600622/test/evp_test.c/#L1686 | static int encode_test_run(struct evp_test *t)
{
struct encode_data *edata = t->data;
unsigned char *encode_out = NULL, *decode_out = NULL;
int output_len, chunk_len;
const char *err = "INTERNAL_ERROR";
EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();
if (decode_ctx == NULL)
goto err;
if (edata->encoding == BASE64_CANONICAL_ENCODING) {
EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();
if (encode_ctx == NULL)
goto err;
encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));
if (encode_out == NULL)
goto err;
EVP_EncodeInit(encode_ctx);
EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,
edata->input, edata->input_len);
output_len = chunk_len;
EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);
output_len += chunk_len;
EVP_ENCODE_CTX_free(encode_ctx);
if (check_var_length_output(t, edata->output, edata->output_len,
encode_out, output_len)) {
err = "BAD_ENCODING";
goto err;
}
}
decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));
if (decode_out == NULL)
goto err;
EVP_DecodeInit(decode_ctx);
if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,
edata->output_len) < 0) {
err = "DECODE_ERROR";
goto err;
}
output_len = chunk_len;
if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {
err = "DECODE_ERROR";
goto err;
}
output_len += chunk_len;
if (edata->encoding != BASE64_INVALID_ENCODING &&
check_var_length_output(t, edata->input, edata->input_len,
decode_out, output_len)) {
err = "BAD_DECODING";
goto err;
}
err = NULL;
err:
t->err = err;
OPENSSL_free(encode_out);
OPENSSL_free(decode_out);
EVP_ENCODE_CTX_free(decode_ctx);
return 1;
} | ['static int encode_test_run(struct evp_test *t)\n{\n struct encode_data *edata = t->data;\n unsigned char *encode_out = NULL, *decode_out = NULL;\n int output_len, chunk_len;\n const char *err = "INTERNAL_ERROR";\n EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();\n if (decode_ctx == NULL)\n goto err;\n if (edata->encoding == BASE64_CANONICAL_ENCODING) {\n EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();\n if (encode_ctx == NULL)\n goto err;\n encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));\n if (encode_out == NULL)\n goto err;\n EVP_EncodeInit(encode_ctx);\n EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,\n edata->input, edata->input_len);\n output_len = chunk_len;\n EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);\n output_len += chunk_len;\n EVP_ENCODE_CTX_free(encode_ctx);\n if (check_var_length_output(t, edata->output, edata->output_len,\n encode_out, output_len)) {\n err = "BAD_ENCODING";\n goto err;\n }\n }\n decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));\n if (decode_out == NULL)\n goto err;\n EVP_DecodeInit(decode_ctx);\n if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,\n edata->output_len) < 0) {\n err = "DECODE_ERROR";\n goto err;\n }\n output_len = chunk_len;\n if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {\n err = "DECODE_ERROR";\n goto err;\n }\n output_len += chunk_len;\n if (edata->encoding != BASE64_INVALID_ENCODING &&\n check_var_length_output(t, edata->input, edata->input_len,\n decode_out, output_len)) {\n err = "BAD_DECODING";\n goto err;\n }\n err = NULL;\n err:\n t->err = err;\n OPENSSL_free(encode_out);\n OPENSSL_free(decode_out);\n EVP_ENCODE_CTX_free(decode_ctx);\n return 1;\n}', 'EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void)\n{\n return (EVP_ENCODE_CTX *)OPENSSL_zalloc(sizeof(EVP_ENCODE_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 (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}'] |
21,464 | 0 | https://github.com/libav/libav/blob/35cf146a33ce41a1adb6c9bd5a0827eacb1b6bfc/libavutil/lfg.c/#L42 | av_cold void av_lfg_init(AVLFG *c, unsigned int seed)
{
uint8_t tmp[16] = { 0 };
int i;
for (i = 8; i < 64; i += 4) {
AV_WL32(tmp, seed);
tmp[4] = i;
av_md5_sum(tmp, tmp, 16);
c->state[i ] = AV_RL32(tmp);
c->state[i + 1] = AV_RL32(tmp + 4);
c->state[i + 2] = AV_RL32(tmp + 8);
c->state[i + 3] = AV_RL32(tmp + 12);
}
c->index = 0;
} | ['av_cold void av_lfg_init(AVLFG *c, unsigned int seed)\n{\n uint8_t tmp[16] = { 0 };\n int i;\n for (i = 8; i < 64; i += 4) {\n AV_WL32(tmp, seed);\n tmp[4] = i;\n av_md5_sum(tmp, tmp, 16);\n c->state[i ] = AV_RL32(tmp);\n c->state[i + 1] = AV_RL32(tmp + 4);\n c->state[i + 2] = AV_RL32(tmp + 8);\n c->state[i + 3] = AV_RL32(tmp + 12);\n }\n c->index = 0;\n}'] |
21,465 | 0 | https://github.com/libav/libav/blob/9104cd5161ec7cb31361f3dabd73a8a813d4f7d0/libavformat/matroskaenc.c/#L676 | static int mkv_write_header(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data;
ByteIOContext *pb = s->pb;
ebml_master ebml_header, segment_info;
AVMetadataTag *tag;
int ret;
mkv->md5_ctx = av_mallocz(av_md5_size);
av_md5_init(mkv->md5_ctx);
ebml_header = start_ebml_master(pb, EBML_ID_HEADER, 0);
put_ebml_uint (pb, EBML_ID_EBMLVERSION , 1);
put_ebml_uint (pb, EBML_ID_EBMLREADVERSION , 1);
put_ebml_uint (pb, EBML_ID_EBMLMAXIDLENGTH , 4);
put_ebml_uint (pb, EBML_ID_EBMLMAXSIZELENGTH , 8);
put_ebml_string (pb, EBML_ID_DOCTYPE , "matroska");
put_ebml_uint (pb, EBML_ID_DOCTYPEVERSION , 2);
put_ebml_uint (pb, EBML_ID_DOCTYPEREADVERSION , 2);
end_ebml_master(pb, ebml_header);
mkv->segment = start_ebml_master(pb, MATROSKA_ID_SEGMENT, 0);
mkv->segment_offset = url_ftell(pb);
mkv->main_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 10);
mkv->cluster_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 0);
if (mkv->main_seekhead == NULL || mkv->cluster_seekhead == NULL)
return AVERROR(ENOMEM);
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_INFO, url_ftell(pb));
if (ret < 0) return ret;
segment_info = start_ebml_master(pb, MATROSKA_ID_INFO, 0);
put_ebml_uint(pb, MATROSKA_ID_TIMECODESCALE, 1000000);
if ((tag = av_metadata_get(s->metadata, "title", NULL, 0)))
put_ebml_string(pb, MATROSKA_ID_TITLE, tag->value);
if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {
put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , LIBAVFORMAT_IDENT);
put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, LIBAVFORMAT_IDENT);
mkv->segment_uid = url_ftell(pb);
put_ebml_void(pb, 19);
}
mkv->duration = 0;
mkv->duration_offset = url_ftell(pb);
put_ebml_void(pb, 11);
end_ebml_master(pb, segment_info);
ret = mkv_write_tracks(s);
if (ret < 0) return ret;
ret = mkv_write_chapters(s);
if (ret < 0) return ret;
ret = mkv_add_seekhead_entry(mkv->cluster_seekhead, MATROSKA_ID_CLUSTER, url_ftell(pb));
if (ret < 0) return ret;
mkv->cluster_pos = url_ftell(pb);
mkv->cluster = start_ebml_master(pb, MATROSKA_ID_CLUSTER, 0);
put_ebml_uint(pb, MATROSKA_ID_CLUSTERTIMECODE, 0);
mkv->cluster_pts = 0;
mkv->cues = mkv_start_cues(mkv->segment_offset);
if (mkv->cues == NULL)
return AVERROR(ENOMEM);
put_flush_packet(pb);
return 0;
} | ['static int mkv_write_header(AVFormatContext *s)\n{\n MatroskaMuxContext *mkv = s->priv_data;\n ByteIOContext *pb = s->pb;\n ebml_master ebml_header, segment_info;\n AVMetadataTag *tag;\n int ret;\n mkv->md5_ctx = av_mallocz(av_md5_size);\n av_md5_init(mkv->md5_ctx);\n ebml_header = start_ebml_master(pb, EBML_ID_HEADER, 0);\n put_ebml_uint (pb, EBML_ID_EBMLVERSION , 1);\n put_ebml_uint (pb, EBML_ID_EBMLREADVERSION , 1);\n put_ebml_uint (pb, EBML_ID_EBMLMAXIDLENGTH , 4);\n put_ebml_uint (pb, EBML_ID_EBMLMAXSIZELENGTH , 8);\n put_ebml_string (pb, EBML_ID_DOCTYPE , "matroska");\n put_ebml_uint (pb, EBML_ID_DOCTYPEVERSION , 2);\n put_ebml_uint (pb, EBML_ID_DOCTYPEREADVERSION , 2);\n end_ebml_master(pb, ebml_header);\n mkv->segment = start_ebml_master(pb, MATROSKA_ID_SEGMENT, 0);\n mkv->segment_offset = url_ftell(pb);\n mkv->main_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 10);\n mkv->cluster_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 0);\n if (mkv->main_seekhead == NULL || mkv->cluster_seekhead == NULL)\n return AVERROR(ENOMEM);\n ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_INFO, url_ftell(pb));\n if (ret < 0) return ret;\n segment_info = start_ebml_master(pb, MATROSKA_ID_INFO, 0);\n put_ebml_uint(pb, MATROSKA_ID_TIMECODESCALE, 1000000);\n if ((tag = av_metadata_get(s->metadata, "title", NULL, 0)))\n put_ebml_string(pb, MATROSKA_ID_TITLE, tag->value);\n if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {\n put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , LIBAVFORMAT_IDENT);\n put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, LIBAVFORMAT_IDENT);\n mkv->segment_uid = url_ftell(pb);\n put_ebml_void(pb, 19);\n }\n mkv->duration = 0;\n mkv->duration_offset = url_ftell(pb);\n put_ebml_void(pb, 11);\n end_ebml_master(pb, segment_info);\n ret = mkv_write_tracks(s);\n if (ret < 0) return ret;\n ret = mkv_write_chapters(s);\n if (ret < 0) return ret;\n ret = mkv_add_seekhead_entry(mkv->cluster_seekhead, MATROSKA_ID_CLUSTER, url_ftell(pb));\n if (ret < 0) return ret;\n mkv->cluster_pos = url_ftell(pb);\n mkv->cluster = start_ebml_master(pb, MATROSKA_ID_CLUSTER, 0);\n put_ebml_uint(pb, MATROSKA_ID_CLUSTERTIMECODE, 0);\n mkv->cluster_pts = 0;\n mkv->cues = mkv_start_cues(mkv->segment_offset);\n if (mkv->cues == NULL)\n return AVERROR(ENOMEM);\n put_flush_packet(pb);\n return 0;\n}', 'void *av_mallocz(unsigned int size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(unsigned int 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}', 'void av_md5_init(AVMD5 *ctx){\n ctx->len = 0;\n ctx->ABCD[0] = 0x10325476;\n ctx->ABCD[1] = 0x98badcfe;\n ctx->ABCD[2] = 0xefcdab89;\n ctx->ABCD[3] = 0x67452301;\n}'] |
21,466 | 0 | https://github.com/openssl/openssl/blob/2fdf5d7c2354b76bcc429b5f2c582a580e12d50d/ssl/s3_srvr.c/#L1535 | static int ssl3_get_cert_verify(SSL *s)
{
EVP_PKEY *pkey=NULL;
unsigned char *p;
int al,ok,ret=0;
long n;
int type=0,i,j;
X509 *peer;
n=ssl3_get_message(s,
SSL3_ST_SR_CERT_VRFY_A,
SSL3_ST_SR_CERT_VRFY_B,
-1,
512,
&ok);
if (!ok) return((int)n);
if (s->session->peer != NULL)
{
peer=s->session->peer;
pkey=X509_get_pubkey(peer);
type=X509_certificate_type(peer,pkey);
}
else
{
peer=NULL;
pkey=NULL;
}
if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY)
{
s->s3->tmp.reuse_message=1;
if ((peer != NULL) && (type | EVP_PKT_SIGN))
{
al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE);
goto f_err;
}
ret=1;
goto end;
}
if (peer == NULL)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_NO_CLIENT_CERT_RECEIVED);
al=SSL_AD_UNEXPECTED_MESSAGE;
goto f_err;
}
if (!(type & EVP_PKT_SIGN))
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE);
al=SSL_AD_ILLEGAL_PARAMETER;
goto f_err;
}
if (s->s3->change_cipher_spec)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_CCS_RECEIVED_EARLY);
al=SSL_AD_UNEXPECTED_MESSAGE;
goto f_err;
}
p=(unsigned char *)s->init_buf->data;
n2s(p,i);
n-=2;
if (i > n)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_LENGTH_MISMATCH);
al=SSL_AD_DECODE_ERROR;
goto f_err;
}
j=EVP_PKEY_size(pkey);
if ((i > j) || (n > j) || (n <= 0))
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_WRONG_SIGNATURE_SIZE);
al=SSL_AD_DECODE_ERROR;
goto f_err;
}
#ifndef NO_RSA
if (pkey->type == EVP_PKEY_RSA)
{
i=RSA_verify(NID_md5_sha1, s->s3->tmp.cert_verify_md,
MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH, p, i,
pkey->pkey.rsa);
if (i < 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_DECRYPT);
goto f_err;
}
if (i == 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_SIGNATURE);
goto f_err;
}
}
else
#endif
#ifndef NO_DSA
if (pkey->type == EVP_PKEY_DSA)
{
j=DSA_verify(pkey->save_type,
&(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]),
SHA_DIGEST_LENGTH,p,i,pkey->pkey.dsa);
if (j <= 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_DSA_SIGNATURE);
goto f_err;
}
}
else
#endif
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_INTERNAL_ERROR);
al=SSL_AD_UNSUPPORTED_CERTIFICATE;
goto f_err;
}
ret=1;
if (0)
{
f_err:
ssl3_send_alert(s,SSL3_AL_FATAL,al);
}
end:
EVP_PKEY_free(pkey);
return(ret);
} | ['static int ssl3_get_cert_verify(SSL *s)\n\t{\n\tEVP_PKEY *pkey=NULL;\n\tunsigned char *p;\n\tint al,ok,ret=0;\n\tlong n;\n\tint type=0,i,j;\n\tX509 *peer;\n\tn=ssl3_get_message(s,\n\t\tSSL3_ST_SR_CERT_VRFY_A,\n\t\tSSL3_ST_SR_CERT_VRFY_B,\n\t\t-1,\n\t\t512,\n\t\t&ok);\n\tif (!ok) return((int)n);\n\tif (s->session->peer != NULL)\n\t\t{\n\t\tpeer=s->session->peer;\n\t\tpkey=X509_get_pubkey(peer);\n\t\ttype=X509_certificate_type(peer,pkey);\n\t\t}\n\telse\n\t\t{\n\t\tpeer=NULL;\n\t\tpkey=NULL;\n\t\t}\n\tif (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY)\n\t\t{\n\t\ts->s3->tmp.reuse_message=1;\n\t\tif ((peer != NULL) && (type | EVP_PKT_SIGN))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tret=1;\n\t\tgoto end;\n\t\t}\n\tif (peer == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_NO_CLIENT_CERT_RECEIVED);\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tgoto f_err;\n\t\t}\n\tif (!(type & EVP_PKT_SIGN))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE);\n\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\tgoto f_err;\n\t\t}\n\tif (s->s3->change_cipher_spec)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_CCS_RECEIVED_EARLY);\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tgoto f_err;\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tn2s(p,i);\n\tn-=2;\n\tif (i > n)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_LENGTH_MISMATCH);\n\t\tal=SSL_AD_DECODE_ERROR;\n\t\tgoto f_err;\n\t\t}\n\tj=EVP_PKEY_size(pkey);\n\tif ((i > j) || (n > j) || (n <= 0))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_WRONG_SIGNATURE_SIZE);\n\t\tal=SSL_AD_DECODE_ERROR;\n\t\tgoto f_err;\n\t\t}\n#ifndef NO_RSA\n\tif (pkey->type == EVP_PKEY_RSA)\n\t\t{\n\t\ti=RSA_verify(NID_md5_sha1, s->s3->tmp.cert_verify_md,\n\t\t\tMD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH, p, i,\n\t\t\t\t\t\t\tpkey->pkey.rsa);\n\t\tif (i < 0)\n\t\t\t{\n\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_DECRYPT);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_SIGNATURE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\telse\n#endif\n#ifndef NO_DSA\n\t\tif (pkey->type == EVP_PKEY_DSA)\n\t\t{\n\t\tj=DSA_verify(pkey->save_type,\n\t\t\t&(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]),\n\t\t\tSHA_DIGEST_LENGTH,p,i,pkey->pkey.dsa);\n\t\tif (j <= 0)\n\t\t\t{\n\t\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_DSA_SIGNATURE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\telse\n#endif\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_INTERNAL_ERROR);\n\t\tal=SSL_AD_UNSUPPORTED_CERTIFICATE;\n\t\tgoto f_err;\n\t\t}\n\tret=1;\n\tif (0)\n\t\t{\nf_err:\n\t\tssl3_send_alert(s,SSL3_AL_FATAL,al);\n\t\t}\nend:\n\tEVP_PKEY_free(pkey);\n\treturn(ret);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\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_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}', '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,(char *)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 EVP_PKEY_free(EVP_PKEY *x)\n\t{\n\tint i;\n\tif (x == NULL) return;\n\ti=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);\n#ifdef REF_PRINT\n\tREF_PRINT("EVP_PKEY",x);\n#endif\n\tif (i > 0) return;\n#ifdef REF_CHECK\n\tif (i < 0)\n\t\t{\n\t\tfprintf(stderr,"EVP_PKEY_free, bad reference count\\n");\n\t\tabort();\n\t\t}\n#endif\n\tEVP_PKEY_free_it(x);\n\tFree((char *)x);\n\t}', 'int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,\n\t int line)\n\t{\n\tint ret;\n\tif (add_lock_callback != NULL)\n\t\t{\n#ifdef LOCK_DEBUG\n\t\tint before= *pointer;\n#endif\n\t\tret=add_lock_callback(pointer,amount,type,file,line);\n#ifdef LOCK_DEBUG\n\t\tfprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(),\n\t\t\tbefore,amount,ret,\n\t\t\tCRYPTO_get_lock_name(type),\n\t\t\tfile,line);\n#endif\n\t\t*pointer=ret;\n\t\t}\n\telse\n\t\t{\n\t\tCRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);\n\t\tret= *pointer+amount;\n#ifdef LOCK_DEBUG\n\t\tfprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(),\n\t\t\t*pointer,amount,ret,\n\t\t\tCRYPTO_get_lock_name(type),\n\t\t\tfile,line);\n#endif\n\t\t*pointer=ret;\n\t\tCRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);\n\t\t}\n\treturn(ret);\n\t}'] |
21,467 | 0 | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int dsa_sign_setup(DSA *dsa, 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, *kinv = NULL, *r = *rp;\n BIGNUM *l;\n int ret = 0;\n int q_bits, q_words;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_MISSING_PARAMETERS);\n return 0;\n }\n k = BN_new();\n l = BN_new();\n if (k == NULL || l == NULL)\n goto err;\n if (ctx_in == NULL) {\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n } else\n ctx = ctx_in;\n q_bits = BN_num_bits(dsa->q);\n q_words = bn_get_top(dsa->q);\n if (!bn_wexpand(k, q_words + 2)\n || !bn_wexpand(l, q_words + 2))\n goto err;\n do {\n if (dgst != NULL) {\n if (!BN_generate_dsa_nonce(k, dsa->q, dsa->priv_key, dgst,\n dlen, ctx))\n goto err;\n } else if (!BN_priv_rand_range(k, dsa->q))\n goto err;\n } while (BN_is_zero(k));\n BN_set_flags(k, BN_FLG_CONSTTIME);\n BN_set_flags(l, BN_FLG_CONSTTIME);\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n dsa->lock, dsa->p, ctx))\n goto err;\n }\n if (!BN_add(l, k, dsa->q)\n || !BN_add(k, l, dsa->q))\n goto err;\n BN_consttime_swap(BN_is_bit_set(l, q_bits), k, l, q_words + 2);\n if ((dsa)->meth->bn_mod_exp != NULL) {\n if (!dsa->meth->bn_mod_exp(dsa, r, dsa->g, k, dsa->p, ctx,\n dsa->method_mont_p))\n goto err;\n } else {\n if (!BN_mod_exp_mont(r, dsa->g, k, dsa->p, ctx, dsa->method_mont_p))\n goto err;\n }\n if (!BN_mod(r, r, dsa->q, ctx))\n goto err;\n if ((kinv = dsa_mod_inverse_fermat(k, dsa->q, ctx)) == NULL)\n goto err;\n BN_clear_free(*kinvp);\n *kinvp = kinv;\n kinv = NULL;\n ret = 1;\n err:\n if (!ret)\n DSAerr(DSA_F_DSA_SIGN_SETUP, ERR_R_BN_LIB);\n if (ctx != ctx_in)\n BN_CTX_free(ctx);\n BN_clear_free(k);\n BN_clear_free(l);\n return ret;\n}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, CRYPTO_RWLOCK *lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_THREAD_read_lock(lock);\n ret = *pmont;\n CRYPTO_THREAD_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_THREAD_write_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_THREAD_unlock(lock);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int i, 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 if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\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_is_one(&tmod))\n BN_zero(Ri);\n else 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_is_one(&tmod))\n BN_zero(Ri);\n else 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 for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)\n mont->RR.d[i] = 0;\n mont->RR.top = ret;\n mont->RR.flags |= BN_FLG_FIXED_TOP;\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}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG("ENTER 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 ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG("LEAVE BN_CTX_get()", ctx);\n return ret;\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}', '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_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}', '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}'] |
21,468 | 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)];
} | ['static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)\n{\n BN_CTX *ctx = NULL;\n BN_MONT_CTX *mont = NULL;\n BIGNUM *tmp;\n int ret = -1;\n int check_result;\n if (BN_num_bits(dh->p) > OPENSSL_DH_MAX_MODULUS_BITS) {\n DHerr(DH_F_COMPUTE_KEY, DH_R_MODULUS_TOO_LARGE);\n goto err;\n }\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (dh->priv_key == NULL) {\n DHerr(DH_F_COMPUTE_KEY, DH_R_NO_PRIVATE_VALUE);\n goto err;\n }\n if (dh->flags & DH_FLAG_CACHE_MONT_P) {\n mont = BN_MONT_CTX_set_locked(&dh->method_mont_p,\n CRYPTO_LOCK_DH, dh->p, ctx);\n if ((dh->flags & DH_FLAG_NO_EXP_CONSTTIME) == 0) {\n BN_set_flags(dh->priv_key, BN_FLG_CONSTTIME);\n }\n if (!mont)\n goto err;\n }\n if (!DH_check_pub_key(dh, pub_key, &check_result) || check_result) {\n DHerr(DH_F_COMPUTE_KEY, DH_R_INVALID_PUBKEY);\n goto err;\n }\n if (!dh->\n meth->bn_mod_exp(dh, tmp, pub_key, dh->priv_key, dh->p, ctx, mont)) {\n DHerr(DH_F_COMPUTE_KEY, ERR_R_BN_LIB);\n goto err;\n }\n ret = BN_bn2bin(tmp, key);\n err:\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n }\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}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_r_lock(lock);\n ret = *pmont;\n CRYPTO_r_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (!ret)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_w_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_w_unlock(lock);\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 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_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 (pnoinv)\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) <= (BN_BITS <= 32 ? 450 : 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 local_A, local_B;\n BIGNUM *pA, *pB;\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 pB = &local_B;\n BN_with_flags(pB, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, pB, A, ctx))\n goto err;\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n pA = &local_A;\n BN_with_flags(pA, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, pA, B, ctx))\n goto err;\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}', '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 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}'] |
21,469 | 0 | https://github.com/libav/libav/blob/a636b58ce17adad640ae392ffcf3f9dade2bff80/libavcodec/h264.h/#L898 | static void fill_decode_caches(H264Context *h, int mb_type){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[2];
int topleft_type, top_type, topright_type, left_type[2];
const uint8_t * left_block= h->left_block;
int i;
topleft_xy = h->topleft_mb_xy ;
top_xy = h->top_mb_xy ;
topright_xy = h->topright_mb_xy;
left_xy[0] = h->left_mb_xy[0] ;
left_xy[1] = h->left_mb_xy[1] ;
topleft_type = h->topleft_type ;
top_type = h->top_type ;
topright_type= h->topright_type ;
left_type[0] = h->left_type[0] ;
left_type[1] = h->left_type[1] ;
if(!IS_SKIP(mb_type)){
if(IS_INTRA(mb_type)){
int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
h->topleft_samples_available=
h->top_samples_available=
h->left_samples_available= 0xFFFF;
h->topright_samples_available= 0xEEEA;
if(!(top_type & type_mask)){
h->topleft_samples_available= 0xB3FF;
h->top_samples_available= 0x33FF;
h->topright_samples_available= 0x26EA;
}
if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){
if(IS_INTERLACED(mb_type)){
if(!(left_type[0] & type_mask)){
h->topleft_samples_available&= 0xDFFF;
h->left_samples_available&= 0x5FFF;
}
if(!(left_type[1] & type_mask)){
h->topleft_samples_available&= 0xFF5F;
h->left_samples_available&= 0xFF5F;
}
}else{
int left_typei = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num
? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0;
assert(left_xy[0] == left_xy[1]);
if(!((left_typei & type_mask) && (left_type[0] & type_mask))){
h->topleft_samples_available&= 0xDF5F;
h->left_samples_available&= 0x5F5F;
}
}
}else{
if(!(left_type[0] & type_mask)){
h->topleft_samples_available&= 0xDF5F;
h->left_samples_available&= 0x5F5F;
}
}
if(!(topleft_type & type_mask))
h->topleft_samples_available&= 0x7FFF;
if(!(topright_type & type_mask))
h->topright_samples_available&= 0xFBFF;
if(IS_INTRA4x4(mb_type)){
if(IS_INTRA4x4(top_type)){
h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
}else{
int pred;
if(!(top_type & type_mask))
pred= -1;
else{
pred= 2;
}
h->intra4x4_pred_mode_cache[4+8*0]=
h->intra4x4_pred_mode_cache[5+8*0]=
h->intra4x4_pred_mode_cache[6+8*0]=
h->intra4x4_pred_mode_cache[7+8*0]= pred;
}
for(i=0; i<2; i++){
if(IS_INTRA4x4(left_type[i])){
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
}else{
int pred;
if(!(left_type[i] & type_mask))
pred= -1;
else{
pred= 2;
}
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
}
}
}
}
if(top_type){
*(uint32_t*)&h->non_zero_count_cache[4+8*0]= *(uint32_t*)&h->non_zero_count[top_xy][4+3*8];
h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][1+1*8];
h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][2+1*8];
h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][1+2*8];
h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][2+2*8];
}else {
h->non_zero_count_cache[1+8*0]=
h->non_zero_count_cache[2+8*0]=
h->non_zero_count_cache[1+8*3]=
h->non_zero_count_cache[2+8*3]=
*(uint32_t*)&h->non_zero_count_cache[4+8*0]= CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
}
for (i=0; i<2; i++) {
if(left_type[i]){
h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+0+2*i]];
h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+1+2*i]];
h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+4+2*i]];
h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+5+2*i]];
}else{
h->non_zero_count_cache[3+8*1 + 2*8*i]=
h->non_zero_count_cache[3+8*2 + 2*8*i]=
h->non_zero_count_cache[0+8*1 + 8*i]=
h->non_zero_count_cache[0+8*4 + 8*i]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
}
}
if( CABAC ) {
if(top_type) {
h->top_cbp = h->cbp_table[top_xy];
} else if(IS_INTRA(mb_type)) {
h->top_cbp = 0x1CF;
} else {
h->top_cbp = 0x00F;
}
if (left_type[0]) {
h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
} else if(IS_INTRA(mb_type)) {
h->left_cbp = 0x1CF;
} else {
h->left_cbp = 0x00F;
}
if (left_type[0]) {
h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
}
if (left_type[1]) {
h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
}
}
}
#if 1
if(IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)){
int list;
for(list=0; list<h->list_count; list++){
if(!USES_LIST(mb_type, list)){
continue;
}
assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
h->mv_cache_clean[list]= 0;
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
h->ref_cache[list][scan8[0] + 0 - 1*8]=
h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
h->ref_cache[list][scan8[0] + 2 - 1*8]=
h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
}else{
AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
}
for(i=0; i<2; i++){
int cache_idx = scan8[0] - 1 + i*2*8;
if(USES_LIST(left_type[i], list)){
const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
*(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
*(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][cache_idx ]=
*(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
h->ref_cache[list][cache_idx ]=
h->ref_cache[list][cache_idx+8]= (left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
}
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy [topleft_xy] + 3 + h->b_stride + (h->topleft_partition & 2*h->b_stride);
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (h->topleft_partition & h->b8_stride);
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
}else{
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if(USES_LIST(topright_type, list)){
const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
*(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if((mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
continue;
if(!(mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2))) {
h->ref_cache[list][scan8[5 ]+1] =
h->ref_cache[list][scan8[7 ]+1] =
h->ref_cache[list][scan8[13]+1] =
h->ref_cache[list][scan8[4 ]] =
h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
*(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
*(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
*(uint32_t*)h->mv_cache [list][scan8[13]+1]=
*(uint32_t*)h->mv_cache [list][scan8[4 ]]=
*(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
if( CABAC ) {
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
AV_COPY128(h->mvd_cache[list][scan8[0] + 0 - 1*8], h->mvd_table[list][b_xy + 0]);
}else{
AV_ZERO128(h->mvd_cache[list][scan8[0] + 0 - 1*8]);
}
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
}else{
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
}
if(USES_LIST(left_type[1], list)){
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
}else{
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
}
*(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
*(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
*(uint32_t*)h->mvd_cache [list][scan8[13]+1]=
*(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
*(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
if(h->slice_type_nos == FF_B_TYPE){
fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, MB_TYPE_16x16>>1, 1);
if(IS_DIRECT(top_type)){
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101*(MB_TYPE_DIRECT2>>1);
}else if(IS_8X8(top_type)){
int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
}else{
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101*(MB_TYPE_16x16>>1);
}
if(IS_DIRECT(left_type[0]))
h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_DIRECT2>>1;
else if(IS_8X8(left_type[0]))
h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
else
h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_16x16>>1;
if(IS_DIRECT(left_type[1]))
h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_DIRECT2>>1;
else if(IS_8X8(left_type[1]))
h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
else
h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_16x16>>1;
}
}
}
if(FRAME_MBAFF){
#define MAP_MVS\
MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
if(MB_FIELD){
#define MAP_F2F(idx, mb_type)\
if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
h->ref_cache[list][idx] <<= 1;\
h->mv_cache[list][idx][1] /= 2;\
h->mvd_cache[list][idx][1] /= 2;\
}
MAP_MVS
#undef MAP_F2F
}else{
#define MAP_F2F(idx, mb_type)\
if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
h->ref_cache[list][idx] >>= 1;\
h->mv_cache[list][idx][1] <<= 1;\
h->mvd_cache[list][idx][1] <<= 1;\
}
MAP_MVS
#undef MAP_F2F
}
}
}
}
#endif
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
} | ['int ff_h264_decode_mb_cavlc(H264Context *h){\n MpegEncContext * const s = &h->s;\n int mb_xy;\n int partition_count;\n unsigned int mb_type, cbp;\n int dct8x8_allowed= h->pps.transform_8x8_mode;\n mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;\n tprintf(s->avctx, "pic:%d mb:%d/%d\\n", h->frame_num, s->mb_x, s->mb_y);\n cbp = 0;\n if(h->slice_type_nos != FF_I_TYPE){\n if(s->mb_skip_run==-1)\n s->mb_skip_run= get_ue_golomb(&s->gb);\n if (s->mb_skip_run--) {\n if(FRAME_MBAFF && (s->mb_y&1) == 0){\n if(s->mb_skip_run==0)\n h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);\n else\n predict_field_decoding_flag(h);\n }\n decode_mb_skip(h);\n return 0;\n }\n }\n if(FRAME_MBAFF){\n if( (s->mb_y&1) == 0 )\n h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);\n }\n h->prev_mb_skipped= 0;\n mb_type= get_ue_golomb(&s->gb);\n if(h->slice_type_nos == FF_B_TYPE){\n if(mb_type < 23){\n partition_count= b_mb_type_info[mb_type].partition_count;\n mb_type= b_mb_type_info[mb_type].type;\n }else{\n mb_type -= 23;\n goto decode_intra_mb;\n }\n }else if(h->slice_type_nos == FF_P_TYPE){\n if(mb_type < 5){\n partition_count= p_mb_type_info[mb_type].partition_count;\n mb_type= p_mb_type_info[mb_type].type;\n }else{\n mb_type -= 5;\n goto decode_intra_mb;\n }\n }else{\n assert(h->slice_type_nos == FF_I_TYPE);\n if(h->slice_type == FF_SI_TYPE && mb_type)\n mb_type--;\ndecode_intra_mb:\n if(mb_type > 25){\n av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);\n return -1;\n }\n partition_count=0;\n cbp= i_mb_type_info[mb_type].cbp;\n h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;\n mb_type= i_mb_type_info[mb_type].type;\n }\n if(MB_FIELD)\n mb_type |= MB_TYPE_INTERLACED;\n h->slice_table[ mb_xy ]= h->slice_num;\n if(IS_INTRA_PCM(mb_type)){\n unsigned int x;\n align_get_bits(&s->gb);\n for(x=0; x < (CHROMA ? 384 : 256); x++){\n ((uint8_t*)h->mb)[x]= get_bits(&s->gb, 8);\n }\n s->current_picture.qscale_table[mb_xy]= 0;\n memset(h->non_zero_count[mb_xy], 16, 32);\n s->current_picture.mb_type[mb_xy]= mb_type;\n return 0;\n }\n if(MB_MBAFF){\n h->ref_count[0] <<= 1;\n h->ref_count[1] <<= 1;\n }\n fill_decode_neighbors(h, mb_type);\n fill_decode_caches(h, mb_type);\n if(IS_INTRA(mb_type)){\n int pred_mode;\n if(IS_INTRA4x4(mb_type)){\n int i;\n int di = 1;\n if(dct8x8_allowed && get_bits1(&s->gb)){\n mb_type |= MB_TYPE_8x8DCT;\n di = 4;\n }\n for(i=0; i<16; i+=di){\n int mode= pred_intra_mode(h, i);\n if(!get_bits1(&s->gb)){\n const int rem_mode= get_bits(&s->gb, 3);\n mode = rem_mode + (rem_mode >= mode);\n }\n if(di==4)\n fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );\n else\n h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;\n }\n ff_h264_write_back_intra_pred_mode(h);\n if( ff_h264_check_intra4x4_pred_mode(h) < 0)\n return -1;\n }else{\n h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode);\n if(h->intra16x16_pred_mode < 0)\n return -1;\n }\n if(CHROMA){\n pred_mode= ff_h264_check_intra_pred_mode(h, get_ue_golomb_31(&s->gb));\n if(pred_mode < 0)\n return -1;\n h->chroma_pred_mode= pred_mode;\n }\n }else if(partition_count==4){\n int i, j, sub_partition_count[4], list, ref[2][4];\n if(h->slice_type_nos == FF_B_TYPE){\n for(i=0; i<4; i++){\n h->sub_mb_type[i]= get_ue_golomb_31(&s->gb);\n if(h->sub_mb_type[i] >=13){\n av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\\n", h->sub_mb_type[i], s->mb_x, s->mb_y);\n return -1;\n }\n sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n if( IS_DIRECT(h->sub_mb_type[0]|h->sub_mb_type[1]|h->sub_mb_type[2]|h->sub_mb_type[3])) {\n ff_h264_pred_direct_motion(h, &mb_type);\n h->ref_cache[0][scan8[4]] =\n h->ref_cache[1][scan8[4]] =\n h->ref_cache[0][scan8[12]] =\n h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;\n }\n }else{\n assert(h->slice_type_nos == FF_P_TYPE);\n for(i=0; i<4; i++){\n h->sub_mb_type[i]= get_ue_golomb_31(&s->gb);\n if(h->sub_mb_type[i] >=4){\n av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\\n", h->sub_mb_type[i], s->mb_x, s->mb_y);\n return -1;\n }\n sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n }\n for(list=0; list<h->list_count; list++){\n int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];\n for(i=0; i<4; i++){\n if(IS_DIRECT(h->sub_mb_type[i])) continue;\n if(IS_DIR(h->sub_mb_type[i], 0, list)){\n unsigned int tmp;\n if(ref_count == 1){\n tmp= 0;\n }else if(ref_count == 2){\n tmp= get_bits1(&s->gb)^1;\n }else{\n tmp= get_ue_golomb_31(&s->gb);\n if(tmp>=ref_count){\n av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\\n", tmp);\n return -1;\n }\n }\n ref[list][i]= tmp;\n }else{\n ref[list][i] = -1;\n }\n }\n }\n if(dct8x8_allowed)\n dct8x8_allowed = get_dct8x8_allowed(h);\n for(list=0; list<h->list_count; list++){\n for(i=0; i<4; i++){\n if(IS_DIRECT(h->sub_mb_type[i])) {\n h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];\n continue;\n }\n h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]=\n h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];\n if(IS_DIR(h->sub_mb_type[i], 0, list)){\n const int sub_mb_type= h->sub_mb_type[i];\n const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;\n for(j=0; j<sub_partition_count[i]; j++){\n int mx, my;\n const int index= 4*i + block_width*j;\n int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];\n pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);\n mx += get_se_golomb(&s->gb);\n my += get_se_golomb(&s->gb);\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n if(IS_SUB_8X8(sub_mb_type)){\n mv_cache[ 1 ][0]=\n mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;\n mv_cache[ 1 ][1]=\n mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;\n }else if(IS_SUB_8X4(sub_mb_type)){\n mv_cache[ 1 ][0]= mx;\n mv_cache[ 1 ][1]= my;\n }else if(IS_SUB_4X8(sub_mb_type)){\n mv_cache[ 8 ][0]= mx;\n mv_cache[ 8 ][1]= my;\n }\n mv_cache[ 0 ][0]= mx;\n mv_cache[ 0 ][1]= my;\n }\n }else{\n uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];\n p[0] = p[1]=\n p[8] = p[9]= 0;\n }\n }\n }\n }else if(IS_DIRECT(mb_type)){\n ff_h264_pred_direct_motion(h, &mb_type);\n dct8x8_allowed &= h->sps.direct_8x8_inference_flag;\n }else{\n int list, mx, my, i;\n if(IS_16X16(mb_type)){\n for(list=0; list<h->list_count; list++){\n unsigned int val;\n if(IS_DIR(mb_type, 0, list)){\n if(h->ref_count[list]==1){\n val= 0;\n }else if(h->ref_count[list]==2){\n val= get_bits1(&s->gb)^1;\n }else{\n val= get_ue_golomb_31(&s->gb);\n if(val >= h->ref_count[list]){\n av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\\n", val);\n return -1;\n }\n }\n }else\n val= LIST_NOT_USED&0xFF;\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);\n }\n for(list=0; list<h->list_count; list++){\n unsigned int val;\n if(IS_DIR(mb_type, 0, list)){\n pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);\n mx += get_se_golomb(&s->gb);\n my += get_se_golomb(&s->gb);\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n val= pack16to32(mx,my);\n }else\n val=0;\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4);\n }\n }\n else if(IS_16X8(mb_type)){\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n unsigned int val;\n if(IS_DIR(mb_type, i, list)){\n if(h->ref_count[list] == 1){\n val= 0;\n }else if(h->ref_count[list] == 2){\n val= get_bits1(&s->gb)^1;\n }else{\n val= get_ue_golomb_31(&s->gb);\n if(val >= h->ref_count[list]){\n av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\\n", val);\n return -1;\n }\n }\n }else\n val= LIST_NOT_USED&0xFF;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n unsigned int val;\n if(IS_DIR(mb_type, i, list)){\n pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);\n mx += get_se_golomb(&s->gb);\n my += get_se_golomb(&s->gb);\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n val= pack16to32(mx,my);\n }else\n val=0;\n fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);\n }\n }\n }else{\n assert(IS_8X16(mb_type));\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n unsigned int val;\n if(IS_DIR(mb_type, i, list)){\n if(h->ref_count[list]==1){\n val= 0;\n }else if(h->ref_count[list]==2){\n val= get_bits1(&s->gb)^1;\n }else{\n val= get_ue_golomb_31(&s->gb);\n if(val >= h->ref_count[list]){\n av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\\n", val);\n return -1;\n }\n }\n }else\n val= LIST_NOT_USED&0xFF;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n unsigned int val;\n if(IS_DIR(mb_type, i, list)){\n pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);\n mx += get_se_golomb(&s->gb);\n my += get_se_golomb(&s->gb);\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n val= pack16to32(mx,my);\n }else\n val=0;\n fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);\n }\n }\n }\n }\n if(IS_INTER(mb_type))\n write_back_motion(h, mb_type);\n if(!IS_INTRA16x16(mb_type)){\n cbp= get_ue_golomb(&s->gb);\n if(cbp > 47){\n av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\\n", cbp, s->mb_x, s->mb_y);\n return -1;\n }\n if(CHROMA){\n if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp[cbp];\n else cbp= golomb_to_inter_cbp [cbp];\n }else{\n if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp];\n else cbp= golomb_to_inter_cbp_gray[cbp];\n }\n }\n if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){\n mb_type |= MB_TYPE_8x8DCT*get_bits1(&s->gb);\n }\n h->cbp=\n h->cbp_table[mb_xy]= cbp;\n s->current_picture.mb_type[mb_xy]= mb_type;\n if(cbp || IS_INTRA16x16(mb_type)){\n int i8x8, i4x4, chroma_idx;\n int dquant;\n GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;\n const uint8_t *scan, *scan8x8, *dc_scan;\n if(IS_INTERLACED(mb_type)){\n scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;\n scan= s->qscale ? h->field_scan : h->field_scan_q0;\n dc_scan= luma_dc_field_scan;\n }else{\n scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;\n scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;\n dc_scan= luma_dc_zigzag_scan;\n }\n dquant= get_se_golomb(&s->gb);\n s->qscale += dquant;\n if(((unsigned)s->qscale) > 51){\n if(s->qscale<0) s->qscale+= 52;\n else s->qscale-= 52;\n if(((unsigned)s->qscale) > 51){\n av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\\n", dquant, s->mb_x, s->mb_y);\n return -1;\n }\n }\n h->chroma_qp[0]= get_chroma_qp(h, 0, s->qscale);\n h->chroma_qp[1]= get_chroma_qp(h, 1, s->qscale);\n if(IS_INTRA16x16(mb_type)){\n if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){\n return -1;\n }\n assert((cbp&15) == 0 || (cbp&15) == 15);\n if(cbp&15){\n for(i8x8=0; i8x8<4; i8x8++){\n for(i4x4=0; i4x4<4; i4x4++){\n const int index= i4x4 + 4*i8x8;\n if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){\n return -1;\n }\n }\n }\n }else{\n fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);\n }\n }else{\n for(i8x8=0; i8x8<4; i8x8++){\n if(cbp & (1<<i8x8)){\n if(IS_8x8DCT(mb_type)){\n DCTELEM *buf = &h->mb[64*i8x8];\n uint8_t *nnz;\n for(i4x4=0; i4x4<4; i4x4++){\n if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,\n h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )\n return -1;\n }\n nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];\n nnz[0] += nnz[1] + nnz[8] + nnz[9];\n }else{\n for(i4x4=0; i4x4<4; i4x4++){\n const int index= i4x4 + 4*i8x8;\n if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){\n return -1;\n }\n }\n }\n }else{\n uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];\n nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;\n }\n }\n }\n if(cbp&0x30){\n for(chroma_idx=0; chroma_idx<2; chroma_idx++)\n if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){\n return -1;\n }\n }\n if(cbp&0x20){\n for(chroma_idx=0; chroma_idx<2; chroma_idx++){\n const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]];\n for(i4x4=0; i4x4<4; i4x4++){\n const int index= 16 + 4*chroma_idx + i4x4;\n if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, qmul, 15) < 0){\n return -1;\n }\n }\n }\n }else{\n uint8_t * const nnz= &h->non_zero_count_cache[0];\n nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =\n nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;\n }\n }else{\n uint8_t * const nnz= &h->non_zero_count_cache[0];\n fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);\n nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =\n nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;\n }\n s->current_picture.qscale_table[mb_xy]= s->qscale;\n write_back_non_zero_count(h);\n if(MB_MBAFF){\n h->ref_count[0] >>= 1;\n h->ref_count[1] >>= 1;\n }\n return 0;\n}', 'static void fill_decode_neighbors(H264Context *h, int mb_type){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n int topleft_xy, top_xy, topright_xy, left_xy[2];\n static const uint8_t left_block_options[4][16]={\n {0,1,2,3,7,10,8,11,7+0*8, 7+1*8, 7+2*8, 7+3*8, 2+0*8, 2+3*8, 2+1*8, 2+2*8},\n {2,2,3,3,8,11,8,11,7+2*8, 7+2*8, 7+3*8, 7+3*8, 2+1*8, 2+2*8, 2+1*8, 2+2*8},\n {0,0,1,1,7,10,7,10,7+0*8, 7+0*8, 7+1*8, 7+1*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8},\n {0,2,0,2,7,10,7,10,7+0*8, 7+2*8, 7+0*8, 7+2*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8}\n };\n h->topleft_partition= -1;\n top_xy = mb_xy - (s->mb_stride << MB_FIELD);\n topleft_xy = top_xy - 1;\n topright_xy= top_xy + 1;\n left_xy[1] = left_xy[0] = mb_xy-1;\n h->left_block = left_block_options[0];\n if(FRAME_MBAFF){\n const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);\n const int curr_mb_field_flag = IS_INTERLACED(mb_type);\n if(s->mb_y&1){\n if (left_mb_field_flag != curr_mb_field_flag) {\n left_xy[1] = left_xy[0] = mb_xy - s->mb_stride - 1;\n if (curr_mb_field_flag) {\n left_xy[1] += s->mb_stride;\n h->left_block = left_block_options[3];\n } else {\n topleft_xy += s->mb_stride;\n h->topleft_partition = 0;\n h->left_block = left_block_options[1];\n }\n }\n }else{\n if(curr_mb_field_flag){\n topleft_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy - 1]>>7)&1)-1);\n topright_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy + 1]>>7)&1)-1);\n top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);\n }\n if (left_mb_field_flag != curr_mb_field_flag) {\n left_xy[1] = left_xy[0] = mb_xy - 1;\n if (curr_mb_field_flag) {\n left_xy[1] += s->mb_stride;\n h->left_block = left_block_options[3];\n } else {\n h->left_block = left_block_options[2];\n }\n }\n }\n }\n h->topleft_mb_xy = topleft_xy;\n h->top_mb_xy = top_xy;\n h->topright_mb_xy= topright_xy;\n h->left_mb_xy[0] = left_xy[0];\n h->left_mb_xy[1] = left_xy[1];\n h->topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;\n h->top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;\n h->topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;\n h->left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;\n h->left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;\n}', 'static void fill_decode_caches(H264Context *h, int mb_type){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n int topleft_xy, top_xy, topright_xy, left_xy[2];\n int topleft_type, top_type, topright_type, left_type[2];\n const uint8_t * left_block= h->left_block;\n int i;\n topleft_xy = h->topleft_mb_xy ;\n top_xy = h->top_mb_xy ;\n topright_xy = h->topright_mb_xy;\n left_xy[0] = h->left_mb_xy[0] ;\n left_xy[1] = h->left_mb_xy[1] ;\n topleft_type = h->topleft_type ;\n top_type = h->top_type ;\n topright_type= h->topright_type ;\n left_type[0] = h->left_type[0] ;\n left_type[1] = h->left_type[1] ;\n if(!IS_SKIP(mb_type)){\n if(IS_INTRA(mb_type)){\n int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;\n h->topleft_samples_available=\n h->top_samples_available=\n h->left_samples_available= 0xFFFF;\n h->topright_samples_available= 0xEEEA;\n if(!(top_type & type_mask)){\n h->topleft_samples_available= 0xB3FF;\n h->top_samples_available= 0x33FF;\n h->topright_samples_available= 0x26EA;\n }\n if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){\n if(IS_INTERLACED(mb_type)){\n if(!(left_type[0] & type_mask)){\n h->topleft_samples_available&= 0xDFFF;\n h->left_samples_available&= 0x5FFF;\n }\n if(!(left_type[1] & type_mask)){\n h->topleft_samples_available&= 0xFF5F;\n h->left_samples_available&= 0xFF5F;\n }\n }else{\n int left_typei = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num\n ? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0;\n assert(left_xy[0] == left_xy[1]);\n if(!((left_typei & type_mask) && (left_type[0] & type_mask))){\n h->topleft_samples_available&= 0xDF5F;\n h->left_samples_available&= 0x5F5F;\n }\n }\n }else{\n if(!(left_type[0] & type_mask)){\n h->topleft_samples_available&= 0xDF5F;\n h->left_samples_available&= 0x5F5F;\n }\n }\n if(!(topleft_type & type_mask))\n h->topleft_samples_available&= 0x7FFF;\n if(!(topright_type & type_mask))\n h->topright_samples_available&= 0xFBFF;\n if(IS_INTRA4x4(mb_type)){\n if(IS_INTRA4x4(top_type)){\n h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];\n h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];\n h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];\n h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];\n }else{\n int pred;\n if(!(top_type & type_mask))\n pred= -1;\n else{\n pred= 2;\n }\n h->intra4x4_pred_mode_cache[4+8*0]=\n h->intra4x4_pred_mode_cache[5+8*0]=\n h->intra4x4_pred_mode_cache[6+8*0]=\n h->intra4x4_pred_mode_cache[7+8*0]= pred;\n }\n for(i=0; i<2; i++){\n if(IS_INTRA4x4(left_type[i])){\n h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];\n h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];\n }else{\n int pred;\n if(!(left_type[i] & type_mask))\n pred= -1;\n else{\n pred= 2;\n }\n h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=\n h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;\n }\n }\n }\n }\n if(top_type){\n *(uint32_t*)&h->non_zero_count_cache[4+8*0]= *(uint32_t*)&h->non_zero_count[top_xy][4+3*8];\n h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][1+1*8];\n h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][2+1*8];\n h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][1+2*8];\n h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][2+2*8];\n }else {\n h->non_zero_count_cache[1+8*0]=\n h->non_zero_count_cache[2+8*0]=\n h->non_zero_count_cache[1+8*3]=\n h->non_zero_count_cache[2+8*3]=\n *(uint32_t*)&h->non_zero_count_cache[4+8*0]= CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;\n }\n for (i=0; i<2; i++) {\n if(left_type[i]){\n h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+0+2*i]];\n h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+1+2*i]];\n h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+4+2*i]];\n h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+5+2*i]];\n }else{\n h->non_zero_count_cache[3+8*1 + 2*8*i]=\n h->non_zero_count_cache[3+8*2 + 2*8*i]=\n h->non_zero_count_cache[0+8*1 + 8*i]=\n h->non_zero_count_cache[0+8*4 + 8*i]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;\n }\n }\n if( CABAC ) {\n if(top_type) {\n h->top_cbp = h->cbp_table[top_xy];\n } else if(IS_INTRA(mb_type)) {\n h->top_cbp = 0x1CF;\n } else {\n h->top_cbp = 0x00F;\n }\n if (left_type[0]) {\n h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;\n } else if(IS_INTRA(mb_type)) {\n h->left_cbp = 0x1CF;\n } else {\n h->left_cbp = 0x00F;\n }\n if (left_type[0]) {\n h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;\n }\n if (left_type[1]) {\n h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;\n }\n }\n }\n#if 1\n if(IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)){\n int list;\n for(list=0; list<h->list_count; list++){\n if(!USES_LIST(mb_type, list)){\n continue;\n }\n assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));\n h->mv_cache_clean[list]= 0;\n if(USES_LIST(top_type, list)){\n const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;\n const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;\n AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);\n h->ref_cache[list][scan8[0] + 0 - 1*8]=\n h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];\n h->ref_cache[list][scan8[0] + 2 - 1*8]=\n h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];\n }else{\n AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);\n *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;\n }\n for(i=0; i<2; i++){\n int cache_idx = scan8[0] - 1 + i*2*8;\n if(USES_LIST(left_type[i], list)){\n const int b_xy= h->mb2b_xy[left_xy[i]] + 3;\n const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;\n *(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];\n *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];\n h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];\n h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];\n }else{\n *(uint32_t*)h->mv_cache [list][cache_idx ]=\n *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;\n h->ref_cache[list][cache_idx ]=\n h->ref_cache[list][cache_idx+8]= (left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n }\n if(USES_LIST(topleft_type, list)){\n const int b_xy = h->mb2b_xy [topleft_xy] + 3 + h->b_stride + (h->topleft_partition & 2*h->b_stride);\n const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (h->topleft_partition & h->b8_stride);\n *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];\n h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];\n }else{\n *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;\n h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n if(USES_LIST(topright_type, list)){\n const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;\n const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;\n *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];\n h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];\n }else{\n *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;\n h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n if((mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2)) && !FRAME_MBAFF)\n continue;\n if(!(mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2))) {\n h->ref_cache[list][scan8[5 ]+1] =\n h->ref_cache[list][scan8[7 ]+1] =\n h->ref_cache[list][scan8[13]+1] =\n h->ref_cache[list][scan8[4 ]] =\n h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;\n *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[13]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[4 ]]=\n *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;\n if( CABAC ) {\n if(USES_LIST(top_type, list)){\n const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;\n AV_COPY128(h->mvd_cache[list][scan8[0] + 0 - 1*8], h->mvd_table[list][b_xy + 0]);\n }else{\n AV_ZERO128(h->mvd_cache[list][scan8[0] + 0 - 1*8]);\n }\n if(USES_LIST(left_type[0], list)){\n const int b_xy= h->mb2b_xy[left_xy[0]] + 3;\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;\n }\n if(USES_LIST(left_type[1], list)){\n const int b_xy= h->mb2b_xy[left_xy[1]] + 3;\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;\n }\n *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[13]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=\n *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;\n if(h->slice_type_nos == FF_B_TYPE){\n fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, MB_TYPE_16x16>>1, 1);\n if(IS_DIRECT(top_type)){\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101*(MB_TYPE_DIRECT2>>1);\n }else if(IS_8X8(top_type)){\n int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;\n h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];\n h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];\n }else{\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101*(MB_TYPE_16x16>>1);\n }\n if(IS_DIRECT(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_DIRECT2>>1;\n else if(IS_8X8(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];\n else\n h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_16x16>>1;\n if(IS_DIRECT(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_DIRECT2>>1;\n else if(IS_8X8(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];\n else\n h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_16x16>>1;\n }\n }\n }\n if(FRAME_MBAFF){\n#define MAP_MVS\\\n MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\\\n MAP_F2F(scan8[0] + 0 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 1 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 2 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 3 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\\\n MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\\\n MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\\\n MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\\\n MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])\n if(MB_FIELD){\n#define MAP_F2F(idx, mb_type)\\\n if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\\\n h->ref_cache[list][idx] <<= 1;\\\n h->mv_cache[list][idx][1] /= 2;\\\n h->mvd_cache[list][idx][1] /= 2;\\\n }\n MAP_MVS\n#undef MAP_F2F\n }else{\n#define MAP_F2F(idx, mb_type)\\\n if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\\\n h->ref_cache[list][idx] >>= 1;\\\n h->mv_cache[list][idx][1] <<= 1;\\\n h->mvd_cache[list][idx][1] <<= 1;\\\n }\n MAP_MVS\n#undef MAP_F2F\n }\n }\n }\n }\n#endif\n h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);\n}'] |
21,470 | 0 | https://github.com/openssl/openssl/blob/84c15db551ce1d167b901a3bde2b21880b084384/crypto/bn/bn_mul.c/#L728 | void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)
{
BN_ULONG *rr;
#ifdef BN_COUNT
printf(" bn_mul_normal %d * %d\n",na,nb);
#endif
if (na < nb)
{
int itmp;
BN_ULONG *ltmp;
itmp=na; na=nb; nb=itmp;
ltmp=a; a=b; b=ltmp;
}
rr= &(r[na]);
rr[0]=bn_mul_words(r,a,na,b[0]);
for (;;)
{
if (--nb <= 0) return;
rr[1]=bn_mul_add_words(&(r[1]),a,na,b[1]);
if (--nb <= 0) return;
rr[2]=bn_mul_add_words(&(r[2]),a,na,b[2]);
if (--nb <= 0) return;
rr[3]=bn_mul_add_words(&(r[3]),a,na,b[3]);
if (--nb <= 0) return;
rr[4]=bn_mul_add_words(&(r[4]),a,na,b[4]);
rr+=4;
r+=4;
b+=4;
}
} | ['int test_mod_exp(BIO *bp, BN_CTX *ctx)\n\t{\n\tBIGNUM *a,*b,*c,*d,*e;\n\tint i;\n\ta=BN_new();\n\tb=BN_new();\n\tc=BN_new();\n\td=BN_new();\n\te=BN_new();\n\tBN_rand(c,30,0,1);\n\tfor (i=0; i<6; i++)\n\t\t{\n\t\tBN_rand(a,20+i*5,0,0);\n\t\tBN_rand(b,2+i,0,0);\n\t\tif (!BN_mod_exp(d,a,b,c,ctx))\n\t\t\treturn(00);\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,b);\n\t\t\t\tBIO_puts(bp," % ");\n\t\t\t\tBN_print(bp,c);\n\t\t\t\tBIO_puts(bp," - ");\n\t\t\t\t}\n\t\t\tBN_print(bp,d);\n\t\t\tBIO_puts(bp,"\\n");\n\t\t\t}\n\t\tBN_exp(e,a,b,ctx);\n\t\tBN_sub(e,e,d);\n\t\tBN_div(a,b,e,c,ctx);\n\t\tif(!BN_is_zero(b))\n\t\t {\n\t\t BIO_puts(bp,"Modulo exponentiation test failed!\\n");\n\t\t return 0;\n\t\t }\n\t\t}\n\tBN_free(a);\n\tBN_free(b);\n\tBN_free(c);\n\tBN_free(d);\n\tBN_free(e);\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_mod_exp(BIGNUM *r, 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#ifdef MONT_MUL_MOD\n\tif (BN_is_odd(m))\n\t\t{ ret=BN_mod_exp_mont(r,a,p,m,ctx,NULL); }\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\treturn(ret);\n\t}', '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,ts=0;\n\tBIGNUM *aa;\n\tBIGNUM val[TABLE_SIZE];\n\tBN_RECP_CTX recp;\n\taa= &(ctx->bn[ctx->tos++]);\n\tbits=BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tBN_one(r);\n\t\treturn(1);\n\t\t}\n\tBN_RECP_CTX_init(&recp);\n\tif (BN_RECP_CTX_set(&recp,m,ctx) <= 0) goto err;\n\tBN_init(&(val[0]));\n\tts=1;\n\tif (!BN_mod(&(val[0]),a,m,ctx)) goto err;\n\tif (!BN_mod_mul_reciprocal(aa,&(val[0]),&(val[0]),&recp,ctx))\n\t\tgoto err;\n\tif (bits <= 17)\n\t\twindow=1;\n\telse if (bits >= 256)\n\t\twindow=5;\n\telse if (bits >= 128)\n\t\twindow=4;\n\telse\n\t\twindow=3;\n\tj=1<<(window-1);\n\tfor (i=1; i<j; i++)\n\t\t{\n\t\tBN_init(&val[i]);\n\t\tif (!BN_mod_mul_reciprocal(&(val[i]),&(val[i-1]),aa,&recp,ctx))\n\t\t\tgoto err;\n\t\t}\n\tts=i;\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\tctx->tos--;\n\tfor (i=0; i<ts; i++)\n\t\tBN_clear_free(&(val[i]));\n\tBN_RECP_CTX_free(&recp);\n\treturn(ret);\n\t}', 'int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tBN_copy(&(recp->N),d);\n\tBN_zero(&(recp->Nr));\n\trecp->num_bits=BN_num_bits(d);\n\trecp->shift=0;\n\treturn(1);\n\t}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n\t{\n\tint i;\n\tBN_ULONG *A;\n\tconst BN_ULONG *B;\n\tbn_check_top(b);\n\tif (a == b) return(a);\n\tif (bn_wexpand(a,b->top) == NULL) return(NULL);\n#if 1\n\tA=a->d;\n\tB=b->d;\n\tfor (i=b->top>>2; i>0; i--,A+=4,B+=4)\n\t\t{\n\t\tBN_ULONG a0,a1,a2,a3;\n\t\ta0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];\n\t\tA[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;\n\t\t}\n\tswitch (b->top&3)\n\t\t{\n\t\tcase 3: A[2]=B[2];\n\t\tcase 2: A[1]=B[1];\n\t\tcase 1: A[0]=B[0];\n\t\tcase 0: ;\n\t\t}\n#else\n\tmemcpy(a->d,b->d,sizeof(b->d[0])*b->top);\n#endif\n\ta->top=b->top;\n\tif ((a->top == 0) && (a->d != NULL))\n\t\ta->d[0]=0;\n\ta->neg=b->neg;\n\treturn(a);\n\t}', 'int BN_mod_mul_reciprocal(BIGNUM *r, BIGNUM *x, BIGNUM *y, BN_RECP_CTX *recp,\n\t BN_CTX *ctx)\n\t{\n\tint ret=0;\n\tBIGNUM *a;\n\ta= &(ctx->bn[ctx->tos++]);\n\tif (y != NULL)\n\t\t{\n\t\tif (x == y)\n\t\t\t{ if (!BN_sqr(a,x,ctx)) goto err; }\n\t\telse\n\t\t\t{ if (!BN_mul(a,x,y,ctx)) goto err; }\n\t\t}\n\telse\n\t\ta=x;\n\tBN_div_recp(NULL,r,a,recp,ctx);\n\tret=1;\nerr:\n\tctx->tos--;\n\treturn(ret);\n\t}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, BIGNUM *m, BN_RECP_CTX *recp,\n\t BN_CTX *ctx)\n\t{\n\tint i,j,tos,ret=0,ex;\n\tBIGNUM *a,*b,*d,*r;\n\ttos=ctx->tos;\n\ta= &(ctx->bn[ctx->tos++]);\n\tb= &(ctx->bn[ctx->tos++]);\n\tif (dv != NULL)\n\t\td=dv;\n\telse\n\t\td= &(ctx->bn[ctx->tos++]);\n\tif (rem != NULL)\n\t\tr=rem;\n\telse\n\t\tr= &(ctx->bn[ctx->tos++]);\n\tif (BN_ucmp(m,&(recp->N)) < 0)\n\t\t{\n\t\tBN_zero(d);\n\t\tBN_copy(r,m);\n\t\tctx->tos=tos;\n\t\treturn(1);\n\t\t}\n\ti=BN_num_bits(m);\n\tj=recp->num_bits*2;\n\tif (j > i)\n\t\t{\n\t\ti=j;\n\t\tex=0;\n\t\t}\n\telse\n\t\t{\n\t\tex=(i-j)/2;\n\t\t}\n\tj=i/2;\n\tif (i != recp->shift)\n\t\trecp->shift=BN_reciprocal(&(recp->Nr),&(recp->N),\n\t\t\ti,ctx);\n\tif (!BN_rshift(a,m,j-ex)) goto err;\n\tif (!BN_mul(b,a,&(recp->Nr),ctx)) goto err;\n\tif (!BN_rshift(d,b,j+ex)) goto err;\n\td->neg=0;\n\tif (!BN_mul(b,&(recp->N),d,ctx)) goto err;\n\tif (!BN_usub(r,m,b)) goto err;\n\tr->neg=0;\n\tj=0;\n#if 1\n\twhile (BN_ucmp(r,&(recp->N)) >= 0)\n\t\t{\n\t\tif (j++ > 2)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_MOD_MUL_RECIPROCAL,BN_R_BAD_RECIPROCAL);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!BN_usub(r,r,&(recp->N))) goto err;\n\t\tif (!BN_add_word(d,1)) goto err;\n\t\t}\n#endif\n\tr->neg=BN_is_zero(r)?0:m->neg;\n\td->neg=m->neg^recp->N.neg;\n\tret=1;\nerr:\n\tctx->tos=tos;\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}', 'void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)\n\t{\n\tBN_ULONG *rr;\n#ifdef BN_COUNT\nprintf(" bn_mul_normal %d * %d\\n",na,nb);\n#endif\n\tif (na < nb)\n\t\t{\n\t\tint itmp;\n\t\tBN_ULONG *ltmp;\n\t\titmp=na; na=nb; nb=itmp;\n\t\tltmp=a; a=b; b=ltmp;\n\t\t}\n\trr= &(r[na]);\n\trr[0]=bn_mul_words(r,a,na,b[0]);\n\tfor (;;)\n\t\t{\n\t\tif (--nb <= 0) return;\n\t\trr[1]=bn_mul_add_words(&(r[1]),a,na,b[1]);\n\t\tif (--nb <= 0) return;\n\t\trr[2]=bn_mul_add_words(&(r[2]),a,na,b[2]);\n\t\tif (--nb <= 0) return;\n\t\trr[3]=bn_mul_add_words(&(r[3]),a,na,b[3]);\n\t\tif (--nb <= 0) return;\n\t\trr[4]=bn_mul_add_words(&(r[4]),a,na,b[4]);\n\t\trr+=4;\n\t\tr+=4;\n\t\tb+=4;\n\t\t}\n\t}'] |
21,471 | 0 | https://github.com/libav/libav/blob/12f0388f9cb32016ac0dacaeca631b088b29bb96/libavcodec/flicvideo.c/#L650 | static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
void *data, int *got_frame,
const uint8_t *buf, int buf_size)
{
FlicDecodeContext *s = avctx->priv_data;
GetByteContext g2;
int pixel_ptr;
unsigned char palette_idx1;
unsigned int frame_size;
int num_chunks;
unsigned int chunk_size;
int chunk_type;
int i, j, ret;
int lines;
int compressed_lines;
signed short line_packets;
int y_ptr;
int byte_run;
int pixel_skip;
int pixel_countdown;
unsigned char *pixels;
int pixel;
unsigned int pixel_limit;
bytestream2_init(&g2, buf, buf_size);
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
pixels = s->frame->data[0];
pixel_limit = s->avctx->height * s->frame->linesize[0];
frame_size = bytestream2_get_le32(&g2);
bytestream2_skip(&g2, 2);
num_chunks = bytestream2_get_le16(&g2);
bytestream2_skip(&g2, 8);
frame_size -= 16;
while ((frame_size > 0) && (num_chunks > 0)) {
chunk_size = bytestream2_get_le32(&g2);
chunk_type = bytestream2_get_le16(&g2);
switch (chunk_type) {
case FLI_256_COLOR:
case FLI_COLOR:
av_dlog(avctx,
"Unexpected Palette chunk %d in non-palettized FLC\n",
chunk_type);
bytestream2_skip(&g2, chunk_size - 6);
break;
case FLI_DELTA:
case FLI_DTA_LC:
y_ptr = 0;
compressed_lines = bytestream2_get_le16(&g2);
while (compressed_lines > 0) {
line_packets = bytestream2_get_le16(&g2);
if (line_packets < 0) {
line_packets = -line_packets;
y_ptr += line_packets * s->frame->linesize[0];
} else {
compressed_lines--;
pixel_ptr = y_ptr;
CHECK_PIXEL_PTR(0);
pixel_countdown = s->avctx->width;
for (i = 0; i < line_packets; i++) {
pixel_skip = bytestream2_get_byte(&g2);
pixel_ptr += (pixel_skip*2);
pixel_countdown -= pixel_skip;
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run < 0) {
byte_run = -byte_run;
pixel = bytestream2_get_le16(&g2);
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {
*((signed short*)(&pixels[pixel_ptr])) = pixel;
pixel_ptr += 2;
}
} else {
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown--) {
*((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);
pixel_ptr += 2;
}
}
}
y_ptr += s->frame->linesize[0];
}
}
break;
case FLI_LC:
av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n");
bytestream2_skip(&g2, chunk_size - 6);
break;
case FLI_BLACK:
memset(pixels, 0x0000,
s->frame->linesize[0] * s->avctx->height);
break;
case FLI_BRUN:
y_ptr = 0;
for (lines = 0; lines < s->avctx->height; lines++) {
pixel_ptr = y_ptr;
bytestream2_skip(&g2, 1);
pixel_countdown = (s->avctx->width * 2);
while (pixel_countdown > 0) {
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run > 0) {
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
pixels[pixel_ptr++] = palette_idx1;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) (linea%d)\n",
pixel_countdown, lines);
}
} else {
byte_run = -byte_run;
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
palette_idx1 = bytestream2_get_byte(&g2);
pixels[pixel_ptr++] = palette_idx1;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",
pixel_countdown, lines);
}
}
}
#if HAVE_BIGENDIAN
pixel_ptr = y_ptr;
pixel_countdown = s->avctx->width;
while (pixel_countdown > 0) {
*((signed short*)(&pixels[pixel_ptr])) = AV_RL16(&buf[pixel_ptr]);
pixel_ptr += 2;
}
#endif
y_ptr += s->frame->linesize[0];
}
break;
case FLI_DTA_BRUN:
y_ptr = 0;
for (lines = 0; lines < s->avctx->height; lines++) {
pixel_ptr = y_ptr;
bytestream2_skip(&g2, 1);
pixel_countdown = s->avctx->width;
while (pixel_countdown > 0) {
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run > 0) {
pixel = bytestream2_get_le16(&g2);
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++) {
*((signed short*)(&pixels[pixel_ptr])) = pixel;
pixel_ptr += 2;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",
pixel_countdown);
}
} else {
byte_run = -byte_run;
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++) {
*((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);
pixel_ptr += 2;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",
pixel_countdown);
}
}
}
y_ptr += s->frame->linesize[0];
}
break;
case FLI_COPY:
case FLI_DTA_COPY:
if (chunk_size - 6 > (unsigned int)(s->avctx->width * s->avctx->height)*2) {
av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \
"bigger than image, skipping chunk\n", chunk_size - 6);
bytestream2_skip(&g2, chunk_size - 6);
} else {
for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
y_ptr += s->frame->linesize[0]) {
pixel_countdown = s->avctx->width;
pixel_ptr = 0;
while (pixel_countdown > 0) {
*((signed short*)(&pixels[y_ptr + pixel_ptr])) = bytestream2_get_le16(&g2);
pixel_ptr += 2;
pixel_countdown--;
}
}
}
break;
case FLI_MINI:
bytestream2_skip(&g2, chunk_size - 6);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", chunk_type);
break;
}
frame_size -= chunk_size;
num_chunks--;
}
if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))
av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
"and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2));
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
return buf_size;
} | ['static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,\n void *data, int *got_frame,\n const uint8_t *buf, int buf_size)\n{\n FlicDecodeContext *s = avctx->priv_data;\n GetByteContext g2;\n int pixel_ptr;\n unsigned char palette_idx1;\n unsigned int frame_size;\n int num_chunks;\n unsigned int chunk_size;\n int chunk_type;\n int i, j, ret;\n int lines;\n int compressed_lines;\n signed short line_packets;\n int y_ptr;\n int byte_run;\n int pixel_skip;\n int pixel_countdown;\n unsigned char *pixels;\n int pixel;\n unsigned int pixel_limit;\n bytestream2_init(&g2, buf, buf_size);\n if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\\n");\n return ret;\n }\n pixels = s->frame->data[0];\n pixel_limit = s->avctx->height * s->frame->linesize[0];\n frame_size = bytestream2_get_le32(&g2);\n bytestream2_skip(&g2, 2);\n num_chunks = bytestream2_get_le16(&g2);\n bytestream2_skip(&g2, 8);\n frame_size -= 16;\n while ((frame_size > 0) && (num_chunks > 0)) {\n chunk_size = bytestream2_get_le32(&g2);\n chunk_type = bytestream2_get_le16(&g2);\n switch (chunk_type) {\n case FLI_256_COLOR:\n case FLI_COLOR:\n av_dlog(avctx,\n "Unexpected Palette chunk %d in non-palettized FLC\\n",\n chunk_type);\n bytestream2_skip(&g2, chunk_size - 6);\n break;\n case FLI_DELTA:\n case FLI_DTA_LC:\n y_ptr = 0;\n compressed_lines = bytestream2_get_le16(&g2);\n while (compressed_lines > 0) {\n line_packets = bytestream2_get_le16(&g2);\n if (line_packets < 0) {\n line_packets = -line_packets;\n y_ptr += line_packets * s->frame->linesize[0];\n } else {\n compressed_lines--;\n pixel_ptr = y_ptr;\n CHECK_PIXEL_PTR(0);\n pixel_countdown = s->avctx->width;\n for (i = 0; i < line_packets; i++) {\n pixel_skip = bytestream2_get_byte(&g2);\n pixel_ptr += (pixel_skip*2);\n pixel_countdown -= pixel_skip;\n byte_run = sign_extend(bytestream2_get_byte(&g2), 8);\n if (byte_run < 0) {\n byte_run = -byte_run;\n pixel = bytestream2_get_le16(&g2);\n CHECK_PIXEL_PTR(2 * byte_run);\n for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {\n *((signed short*)(&pixels[pixel_ptr])) = pixel;\n pixel_ptr += 2;\n }\n } else {\n CHECK_PIXEL_PTR(2 * byte_run);\n for (j = 0; j < byte_run; j++, pixel_countdown--) {\n *((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);\n pixel_ptr += 2;\n }\n }\n }\n y_ptr += s->frame->linesize[0];\n }\n }\n break;\n case FLI_LC:\n av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\\n");\n bytestream2_skip(&g2, chunk_size - 6);\n break;\n case FLI_BLACK:\n memset(pixels, 0x0000,\n s->frame->linesize[0] * s->avctx->height);\n break;\n case FLI_BRUN:\n y_ptr = 0;\n for (lines = 0; lines < s->avctx->height; lines++) {\n pixel_ptr = y_ptr;\n bytestream2_skip(&g2, 1);\n pixel_countdown = (s->avctx->width * 2);\n while (pixel_countdown > 0) {\n byte_run = sign_extend(bytestream2_get_byte(&g2), 8);\n if (byte_run > 0) {\n palette_idx1 = bytestream2_get_byte(&g2);\n CHECK_PIXEL_PTR(byte_run);\n for (j = 0; j < byte_run; j++) {\n pixels[pixel_ptr++] = palette_idx1;\n pixel_countdown--;\n if (pixel_countdown < 0)\n av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) (linea%d)\\n",\n pixel_countdown, lines);\n }\n } else {\n byte_run = -byte_run;\n CHECK_PIXEL_PTR(byte_run);\n for (j = 0; j < byte_run; j++) {\n palette_idx1 = bytestream2_get_byte(&g2);\n pixels[pixel_ptr++] = palette_idx1;\n pixel_countdown--;\n if (pixel_countdown < 0)\n av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\\n",\n pixel_countdown, lines);\n }\n }\n }\n#if HAVE_BIGENDIAN\n pixel_ptr = y_ptr;\n pixel_countdown = s->avctx->width;\n while (pixel_countdown > 0) {\n *((signed short*)(&pixels[pixel_ptr])) = AV_RL16(&buf[pixel_ptr]);\n pixel_ptr += 2;\n }\n#endif\n y_ptr += s->frame->linesize[0];\n }\n break;\n case FLI_DTA_BRUN:\n y_ptr = 0;\n for (lines = 0; lines < s->avctx->height; lines++) {\n pixel_ptr = y_ptr;\n bytestream2_skip(&g2, 1);\n pixel_countdown = s->avctx->width;\n while (pixel_countdown > 0) {\n byte_run = sign_extend(bytestream2_get_byte(&g2), 8);\n if (byte_run > 0) {\n pixel = bytestream2_get_le16(&g2);\n CHECK_PIXEL_PTR(2 * byte_run);\n for (j = 0; j < byte_run; j++) {\n *((signed short*)(&pixels[pixel_ptr])) = pixel;\n pixel_ptr += 2;\n pixel_countdown--;\n if (pixel_countdown < 0)\n av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\\n",\n pixel_countdown);\n }\n } else {\n byte_run = -byte_run;\n CHECK_PIXEL_PTR(2 * byte_run);\n for (j = 0; j < byte_run; j++) {\n *((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);\n pixel_ptr += 2;\n pixel_countdown--;\n if (pixel_countdown < 0)\n av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\\n",\n pixel_countdown);\n }\n }\n }\n y_ptr += s->frame->linesize[0];\n }\n break;\n case FLI_COPY:\n case FLI_DTA_COPY:\n if (chunk_size - 6 > (unsigned int)(s->avctx->width * s->avctx->height)*2) {\n av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \\\n "bigger than image, skipping chunk\\n", chunk_size - 6);\n bytestream2_skip(&g2, chunk_size - 6);\n } else {\n for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;\n y_ptr += s->frame->linesize[0]) {\n pixel_countdown = s->avctx->width;\n pixel_ptr = 0;\n while (pixel_countdown > 0) {\n *((signed short*)(&pixels[y_ptr + pixel_ptr])) = bytestream2_get_le16(&g2);\n pixel_ptr += 2;\n pixel_countdown--;\n }\n }\n }\n break;\n case FLI_MINI:\n bytestream2_skip(&g2, chunk_size - 6);\n break;\n default:\n av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\\n", chunk_type);\n break;\n }\n frame_size -= chunk_size;\n num_chunks--;\n }\n if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))\n av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \\\n "and final chunk ptr = %d\\n", buf_size, bytestream2_tell(&g2));\n if ((ret = av_frame_ref(data, s->frame)) < 0)\n return ret;\n *got_frame = 1;\n return buf_size;\n}', 'DEF(unsigned int, le32, 4, AV_RL32, AV_WL32)'] |
21,472 | 0 | https://github.com/libav/libav/blob/06a2ba230bed69db7d30cf00bb73e7da56bd1819/libavcodec/vp3.c/#L1731 | static int vp3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Vp3DecodeContext *s = avctx->priv_data;
GetBitContext gb;
static int counter = 0;
int i;
init_get_bits(&gb, buf, buf_size * 8);
if (s->theora && get_bits1(&gb))
{
av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n");
return -1;
}
s->keyframe = !get_bits1(&gb);
if (!s->theora)
skip_bits(&gb, 1);
for (i = 0; i < 3; i++)
s->last_qps[i] = s->qps[i];
s->nqps=0;
do{
s->qps[s->nqps++]= get_bits(&gb, 6);
} while(s->theora >= 0x030200 && s->nqps<3 && get_bits1(&gb));
for (i = s->nqps; i < 3; i++)
s->qps[i] = -1;
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",
s->keyframe?"key":"", counter, s->qps[0]);
counter++;
s->skip_loop_filter = !s->filter_limit_values[s->qps[0]] ||
avctx->skip_loop_filter >= (s->keyframe ? AVDISCARD_ALL : AVDISCARD_NONKEY);
if (s->qps[0] != s->last_qps[0])
init_loop_filter(s);
for (i = 0; i < s->nqps; i++)
if (s->qps[i] != s->last_qps[i] || s->qps[0] != s->last_qps[0])
init_dequantizer(s, i);
if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe)
return buf_size;
s->current_frame.reference = 3;
s->current_frame.pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;
if (avctx->get_buffer(avctx, &s->current_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
if (s->keyframe) {
if (!s->theora)
{
skip_bits(&gb, 4);
skip_bits(&gb, 4);
if (s->version)
{
s->version = get_bits(&gb, 5);
if (counter == 1)
av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version);
}
}
if (s->version || s->theora)
{
if (get_bits1(&gb))
av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n");
skip_bits(&gb, 2);
}
} else {
if (!s->golden_frame.data[0]) {
av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\n");
s->golden_frame.reference = 3;
s->golden_frame.pict_type = FF_I_TYPE;
if (avctx->get_buffer(avctx, &s->golden_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
s->last_frame = s->golden_frame;
s->last_frame.type = FF_BUFFER_TYPE_COPY;
}
}
s->current_frame.qscale_table= s->qscale_table;
s->current_frame.qstride= 0;
memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));
if (unpack_superblocks(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
goto error;
}
if (unpack_modes(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n");
goto error;
}
if (unpack_vectors(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n");
goto error;
}
if (unpack_block_qpis(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_block_qpis\n");
goto error;
}
if (unpack_dct_coeffs(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");
goto error;
}
for (i = 0; i < 3; i++) {
int height = s->height >> (i && s->chroma_y_shift);
if (s->flipped_image)
s->data_offset[i] = 0;
else
s->data_offset[i] = (height-1) * s->current_frame.linesize[i];
}
s->last_slice_end = 0;
for (i = 0; i < s->c_superblock_height; i++)
render_slice(s, i);
for (i = 0; i < 3; i++) {
int row = (s->height >> (3+(i && s->chroma_y_shift))) - 1;
apply_loop_filter(s, i, row, row+1);
}
vp3_draw_horiz_band(s, s->height);
*data_size=sizeof(AVFrame);
*(AVFrame*)data= s->current_frame;
if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)
avctx->release_buffer(avctx, &s->last_frame);
s->last_frame= s->current_frame;
if (s->keyframe) {
if (s->golden_frame.data[0])
avctx->release_buffer(avctx, &s->golden_frame);
s->golden_frame = s->current_frame;
s->last_frame.type = FF_BUFFER_TYPE_COPY;
}
s->current_frame.data[0]= NULL;
return buf_size;
error:
if (s->current_frame.data[0])
avctx->release_buffer(avctx, &s->current_frame);
return -1;
} | ['static int vp3_decode_frame(AVCodecContext *avctx,\n void *data, int *data_size,\n AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n Vp3DecodeContext *s = avctx->priv_data;\n GetBitContext gb;\n static int counter = 0;\n int i;\n init_get_bits(&gb, buf, buf_size * 8);\n if (s->theora && get_bits1(&gb))\n {\n av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\\n");\n return -1;\n }\n s->keyframe = !get_bits1(&gb);\n if (!s->theora)\n skip_bits(&gb, 1);\n for (i = 0; i < 3; i++)\n s->last_qps[i] = s->qps[i];\n s->nqps=0;\n do{\n s->qps[s->nqps++]= get_bits(&gb, 6);\n } while(s->theora >= 0x030200 && s->nqps<3 && get_bits1(&gb));\n for (i = s->nqps; i < 3; i++)\n s->qps[i] = -1;\n if (s->avctx->debug & FF_DEBUG_PICT_INFO)\n av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\\n",\n s->keyframe?"key":"", counter, s->qps[0]);\n counter++;\n s->skip_loop_filter = !s->filter_limit_values[s->qps[0]] ||\n avctx->skip_loop_filter >= (s->keyframe ? AVDISCARD_ALL : AVDISCARD_NONKEY);\n if (s->qps[0] != s->last_qps[0])\n init_loop_filter(s);\n for (i = 0; i < s->nqps; i++)\n if (s->qps[i] != s->last_qps[i] || s->qps[0] != s->last_qps[0])\n init_dequantizer(s, i);\n if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe)\n return buf_size;\n s->current_frame.reference = 3;\n s->current_frame.pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;\n if (avctx->get_buffer(avctx, &s->current_frame) < 0) {\n av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n goto error;\n }\n if (s->keyframe) {\n if (!s->theora)\n {\n skip_bits(&gb, 4);\n skip_bits(&gb, 4);\n if (s->version)\n {\n s->version = get_bits(&gb, 5);\n if (counter == 1)\n av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\\n", s->version);\n }\n }\n if (s->version || s->theora)\n {\n if (get_bits1(&gb))\n av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\\n");\n skip_bits(&gb, 2);\n }\n } else {\n if (!s->golden_frame.data[0]) {\n av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\\n");\n s->golden_frame.reference = 3;\n s->golden_frame.pict_type = FF_I_TYPE;\n if (avctx->get_buffer(avctx, &s->golden_frame) < 0) {\n av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n goto error;\n }\n s->last_frame = s->golden_frame;\n s->last_frame.type = FF_BUFFER_TYPE_COPY;\n }\n }\n s->current_frame.qscale_table= s->qscale_table;\n s->current_frame.qstride= 0;\n memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));\n if (unpack_superblocks(s, &gb)){\n av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\\n");\n goto error;\n }\n if (unpack_modes(s, &gb)){\n av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\\n");\n goto error;\n }\n if (unpack_vectors(s, &gb)){\n av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\\n");\n goto error;\n }\n if (unpack_block_qpis(s, &gb)){\n av_log(s->avctx, AV_LOG_ERROR, "error in unpack_block_qpis\\n");\n goto error;\n }\n if (unpack_dct_coeffs(s, &gb)){\n av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\\n");\n goto error;\n }\n for (i = 0; i < 3; i++) {\n int height = s->height >> (i && s->chroma_y_shift);\n if (s->flipped_image)\n s->data_offset[i] = 0;\n else\n s->data_offset[i] = (height-1) * s->current_frame.linesize[i];\n }\n s->last_slice_end = 0;\n for (i = 0; i < s->c_superblock_height; i++)\n render_slice(s, i);\n for (i = 0; i < 3; i++) {\n int row = (s->height >> (3+(i && s->chroma_y_shift))) - 1;\n apply_loop_filter(s, i, row, row+1);\n }\n vp3_draw_horiz_band(s, s->height);\n *data_size=sizeof(AVFrame);\n *(AVFrame*)data= s->current_frame;\n if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)\n avctx->release_buffer(avctx, &s->last_frame);\n s->last_frame= s->current_frame;\n if (s->keyframe) {\n if (s->golden_frame.data[0])\n avctx->release_buffer(avctx, &s->golden_frame);\n s->golden_frame = s->current_frame;\n s->last_frame.type = FF_BUFFER_TYPE_COPY;\n }\n s->current_frame.data[0]= NULL;\n return buf_size;\nerror:\n if (s->current_frame.data[0])\n avctx->release_buffer(avctx, &s->current_frame);\n return -1;\n}', 'static inline void init_get_bits(GetBitContext *s,\n const uint8_t *buffer, int bit_size)\n{\n int buffer_size= (bit_size+7)>>3;\n if(buffer_size < 0 || bit_size < 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n }\n s->buffer= buffer;\n s->size_in_bits= bit_size;\n s->buffer_end= buffer + buffer_size;\n#ifdef ALT_BITSTREAM_READER\n s->index=0;\n#elif defined LIBMPEG2_BITSTREAM_READER\n s->buffer_ptr = (uint8_t*)((intptr_t)buffer&(~1));\n s->bit_count = 16 + 8*((intptr_t)buffer&1);\n skip_bits_long(s, 0);\n#elif defined A32_BITSTREAM_READER\n s->buffer_ptr = (uint32_t*)((intptr_t)buffer&(~3));\n s->bit_count = 32 + 8*((intptr_t)buffer&3);\n skip_bits_long(s, 0);\n#endif\n}', 'static inline unsigned int get_bits1(GetBitContext *s){\n#ifdef ALT_BITSTREAM_READER\n unsigned int index= s->index;\n uint8_t result= s->buffer[ index>>3 ];\n#ifdef ALT_BITSTREAM_READER_LE\n result>>= (index&0x07);\n result&= 1;\n#else\n result<<= (index&0x07);\n result>>= 8 - 1;\n#endif\n index++;\n s->index= index;\n return result;\n#else\n return get_bits(s, 1);\n#endif\n}'] |
21,473 | 0 | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 | 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("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}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG("ENTER 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 ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG("LEAVE BN_CTX_get()", 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 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_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}', '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}'] |
21,474 | 0 | https://github.com/openssl/openssl/blob/61f5b6f33807306d09bccbc2dcad474d1d04ca40/crypto/lhash/lhash.c/#L254 | char *lh_delete(LHASH *lh, char *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
char *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((char *)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 ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len)\n\t{\n\tint al,i,j,n,ret;\n\tSSL3_RECORD *rr;\n\tvoid (*cb)()=NULL;\n\tBIO *bio;\n\tif (s->s3->rbuf.buf == NULL)\n\t\tif (!ssl3_setup_buffers(s))\n\t\t\treturn(-1);\n\tif (!s->in_handshake && SSL_in_init(s))\n\t\t{\n\t\ti=s->handshake_func(s);\n\t\tif (i < 0) return(i);\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_SSL_HANDSHAKE_FAILURE);\n\t\t\treturn(-1);\n\t\t\t}\n\t\t}\nstart:\n\ts->rwstate=SSL_NOTHING;\n\trr= &(s->s3->rrec);\n\tif ((rr->length == 0) || (s->rstate == SSL_ST_READ_BODY))\n\t\t{\n\t\tret=ssl3_get_record(s);\n\t\tif (ret <= 0) return(ret);\n\t\t}\n\tif (s->s3->change_cipher_spec && (rr->type != SSL3_RT_HANDSHAKE))\n\t\t{\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_DATA_BETWEEN_CCS_AND_FINISHED);\n\t\tgoto err;\n\t\t}\n\tif (s->shutdown & SSL_RECEIVED_SHUTDOWN)\n\t\t{\n\t\trr->length=0;\n\t\ts->rwstate=SSL_NOTHING;\n\t\treturn(0);\n\t\t}\n\tif ((rr->type == SSL3_RT_HANDSHAKE) && (rr->length == 4) &&\n\t\t(rr->data[0] == SSL3_MT_CLIENT_REQUEST) &&\n\t\t(s->session != NULL) && (s->session->cipher != NULL))\n\t\t{\n\t\tif ((rr->data[1] != 0) || (rr->data[2] != 0) ||\n\t\t\t(rr->data[3] != 0))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_BAD_CLIENT_REQUEST);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (SSL_is_init_finished(s) &&\n\t\t\t!(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) &&\n\t\t\t!s->s3->renegotiate)\n\t\t\t{\n\t\t\tssl3_renegotiate(s);\n\t\t\tif (ssl3_renegotiate_check(s))\n\t\t\t\t{\n\t\t\t\tn=s->handshake_func(s);\n\t\t\t\tif (n < 0) return(n);\n\t\t\t\tif (n == 0)\n\t\t\t\t\t{\n\t\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_SSL_HANDSHAKE_FAILURE);\n\t\t\t\t\treturn(-1);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\trr->length=0;\n \tgoto start;\n\t\t}\n\tif ((rr->type != type) || (s->shutdown & SSL_SENT_SHUTDOWN))\n\t\t{\n\t\tif (rr->type == SSL3_RT_ALERT)\n\t\t\t{\n\t\t\tif ((rr->length != 2) || (rr->off != 0))\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_BAD_ALERT_RECORD);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\ti=rr->data[0];\n\t\t\tn=rr->data[1];\n\t\t\trr->length=0;\n\t\t\tif (s->info_callback != NULL)\n\t\t\t\tcb=s->info_callback;\n\t\t\telse if (s->ctx->info_callback != NULL)\n\t\t\t\tcb=s->ctx->info_callback;\n\t\t\tif (cb != NULL)\n\t\t\t\t{\n\t\t\t\tj=(i<<8)|n;\n\t\t\t\tcb(s,SSL_CB_READ_ALERT,j);\n\t\t\t\t}\n\t\t\tif (i == 1)\n\t\t\t\t{\n\t\t\t\ts->s3->warn_alert=n;\n\t\t\t\tif (n == SSL_AD_CLOSE_NOTIFY)\n\t\t\t\t\t{\n\t\t\t\t\ts->shutdown|=SSL_RECEIVED_SHUTDOWN;\n\t\t\t\t\treturn(0);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse if (i == 2)\n\t\t\t\t{\n\t\t\t\tchar tmp[16];\n\t\t\t\ts->rwstate=SSL_NOTHING;\n\t\t\t\ts->s3->fatal_alert=n;\n\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,\n\t\t\t\t\tSSL_AD_REASON_OFFSET+n);\n\t\t\t\tsprintf(tmp,"%d",n);\n\t\t\t\tERR_add_error_data(2,"SSL alert number ",tmp);\n\t\t\t\ts->shutdown|=SSL_RECEIVED_SHUTDOWN;\n\t\t\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\t\t\treturn(0);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_UNKNOWN_ALERT_TYPE);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\trr->length=0;\n\t\t\tgoto start;\n\t\t\t}\n\t\tif (s->shutdown & SSL_SENT_SHUTDOWN)\n\t\t\t{\n\t\t\ts->rwstate=SSL_NOTHING;\n\t\t\trr->length=0;\n\t\t\treturn(0);\n\t\t\t}\n\t\tif (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC)\n\t\t\t{\n\t\t\tif (\t(rr->length != 1) || (rr->off != 0) ||\n\t\t\t\t(rr->data[0] != SSL3_MT_CCS))\n\t\t\t\t{\n\t\t\t\ti=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_BAD_CHANGE_CIPHER_SPEC);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\trr->length=0;\n\t\t\ts->s3->change_cipher_spec=1;\n\t\t\tif (!do_change_cipher_spec(s))\n\t\t\t\tgoto err;\n\t\t\telse\n\t\t\t\tgoto start;\n\t\t\t}\n\t\tif ((rr->type == SSL3_RT_HANDSHAKE) &&\n\t\t\t!s->in_handshake)\n\t\t\t{\n\t\t\tif (((s->state&SSL_ST_MASK) == SSL_ST_OK) &&\n\t\t\t\t!(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS))\n\t\t\t\t{\n\t\t\t\ts->state=SSL_ST_BEFORE|(s->server)\n\t\t\t\t\t\t?SSL_ST_ACCEPT\n\t\t\t\t\t\t:SSL_ST_CONNECT;\n\t\t\t\ts->new_session=1;\n\t\t\t\t}\n\t\t\tn=s->handshake_func(s);\n\t\t\tif (n < 0) return(n);\n\t\t\tif (n == 0)\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_SSL_HANDSHAKE_FAILURE);\n\t\t\t\treturn(-1);\n\t\t\t\t}\n\t\t\ts->rwstate=SSL_READING;\n\t\t\tbio=SSL_get_rbio(s);\n\t\t\tBIO_clear_retry_flags(bio);\n\t\t\tBIO_set_retry_read(bio);\n\t\t\treturn(-1);\n\t\t\t}\n\t\tswitch (rr->type)\n\t\t\t{\n\t\tdefault:\n#ifndef NO_TLS\n\t\t\tif (s->version == TLS1_VERSION)\n\t\t\t\t{\n\t\t\t\tgoto start;\n\t\t\t\t}\n#endif\n\t\tcase SSL3_RT_CHANGE_CIPHER_SPEC:\n\t\tcase SSL3_RT_ALERT:\n\t\tcase SSL3_RT_HANDSHAKE:\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_UNEXPECTED_RECORD);\n\t\t\tgoto f_err;\n\t\tcase SSL3_RT_APPLICATION_DATA:\n\t\t\tif (s->s3->in_read_app_data &&\n\t\t\t\t(s->s3->total_renegotiations != 0) &&\n\t\t\t\t((\n\t\t\t\t (s->state & SSL_ST_CONNECT) &&\n\t\t\t\t (s->state >= SSL3_ST_CW_CLNT_HELLO_A) &&\n\t\t\t\t (s->state <= SSL3_ST_CR_SRVR_HELLO_A)\n\t\t\t\t ) || (\n\t\t\t\t (s->state & SSL_ST_ACCEPT) &&\n\t\t\t\t (s->state <= SSL3_ST_SW_HELLO_REQ_A) &&\n\t\t\t\t (s->state >= SSL3_ST_SR_CLNT_HELLO_A)\n\t\t\t\t )\n\t\t\t\t))\n\t\t\t\t{\n\t\t\t\ts->s3->in_read_app_data=0;\n\t\t\t\treturn(-1);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_UNEXPECTED_RECORD);\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (SSL_in_init(s) && (type == SSL3_RT_APPLICATION_DATA) &&\n\t\t(s->enc_read_ctx == NULL))\n\t\t{\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tSSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_APP_DATA_IN_HANDSHAKE);\n\t\tgoto f_err;\n\t\t}\n\tif (len <= 0) return(len);\n\tif ((unsigned int)len > rr->length)\n\t\tn=rr->length;\n\telse\n\t\tn=len;\n\tmemcpy(buf,&(rr->data[rr->off]),(unsigned int)n);\n\trr->length-=n;\n\trr->off+=n;\n\tif (rr->length <= 0)\n\t\t{\n\t\ts->rstate=SSL_ST_READ_HEADER;\n\t\trr->off=0;\n\t\t}\n\tif (type == SSL3_RT_HANDSHAKE)\n\t\tssl3_finish_mac(s,buf,n);\n\treturn(n);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\treturn(-1);\n\t}', 'static int ssl3_get_record(SSL *s)\n\t{\n\tint ssl_major,ssl_minor,al;\n\tint n,i,ret= -1;\n\tSSL3_BUFFER *rb;\n\tSSL3_RECORD *rr;\n\tSSL_SESSION *sess;\n\tunsigned char *p;\n\tunsigned char md[EVP_MAX_MD_SIZE];\n\tshort version;\n\tunsigned int mac_size;\n\tint clear=0,extra;\n\trr= &(s->s3->rrec);\n\trb= &(s->s3->rbuf);\n\tsess=s->session;\n\tif (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)\n\t\textra=SSL3_RT_MAX_EXTRA;\n\telse\n\t\textra=0;\nagain:\n\tif (\t(s->rstate != SSL_ST_READ_BODY) ||\n\t\t(s->packet_length < SSL3_RT_HEADER_LENGTH))\n\t\t{\n\t\tn=ssl3_read_n(s,SSL3_RT_HEADER_LENGTH,\n\t\t\tSSL3_RT_MAX_PACKET_SIZE,0);\n\t\tif (n <= 0) return(n);\n\t\ts->rstate=SSL_ST_READ_BODY;\n\t\tp=s->packet;\n\t\trr->type= *(p++);\n\t\tssl_major= *(p++);\n\t\tssl_minor= *(p++);\n\t\tversion=(ssl_major<<8)|ssl_minor;\n\t\tn2s(p,rr->length);\n\t\tif (s->first_packet)\n\t\t\t{\n\t\t\ts->first_packet=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (version != s->version)\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_WRONG_VERSION_NUMBER);\n\t\t\t\ts->version=version;\n\t\t\t\tal=SSL_AD_PROTOCOL_VERSION;\n\t\t\t\tgoto f_err;\n\t\t\t\t}\n\t\t\t}\n\t\tif ((version>>8) != SSL3_VERSION_MAJOR)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_WRONG_VERSION_NUMBER);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (rr->length >\n\t\t\t(unsigned int)SSL3_RT_MAX_ENCRYPTED_LENGTH+extra)\n\t\t\t{\n\t\t\tal=SSL_AD_RECORD_OVERFLOW;\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_PACKET_LENGTH_TOO_LONG);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\ts->rstate=SSL_ST_READ_BODY;\n\t\t}\n\tif (s->rstate == SSL_ST_READ_BODY)\n\t\t{\n\t\tif (rr->length > (s->packet_length-SSL3_RT_HEADER_LENGTH))\n\t\t\t{\n\t\t\ti=rr->length;\n\t\t\tn=ssl3_read_n(s,i,i,1);\n\t\t\tif (n <= 0) return(n);\n\t\t\t}\n\t\ts->rstate=SSL_ST_READ_HEADER;\n\t\t}\n\trr->input= &(s->packet[SSL3_RT_HEADER_LENGTH]);\n\ts->rstate=SSL_ST_READ_HEADER;\n\tif (rr->length > (unsigned int)SSL3_RT_MAX_ENCRYPTED_LENGTH+extra)\n\t\t{\n\t\tal=SSL_AD_RECORD_OVERFLOW;\n\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_ENCRYPTED_LENGTH_TOO_LONG);\n\t\tgoto f_err;\n\t\t}\n\trr->data=rr->input;\n\tif (!s->method->ssl3_enc->enc(s,0))\n\t\t{\n\t\tal=SSL_AD_DECRYPT_ERROR;\n\t\tgoto f_err;\n\t\t}\n#ifdef TLS_DEBUG\nprintf("dec %d\\n",rr->length);\n{ unsigned int z; for (z=0; z<rr->length; z++) printf("%02X%c",rr->data[z],((z+1)%16)?\' \':\'\\n\'); }\nprintf("\\n");\n#endif\n\tif (\t(sess == NULL) ||\n\t\t(s->enc_read_ctx == NULL) ||\n\t\t(s->read_hash == NULL))\n\t\tclear=1;\n\tif (!clear)\n\t\t{\n\t\tmac_size=EVP_MD_size(s->read_hash);\n\t\tif (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH+extra+mac_size)\n\t\t\t{\n\t\t\tal=SSL_AD_RECORD_OVERFLOW;\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_PRE_MAC_LENGTH_TOO_LONG);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (rr->length < mac_size)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_LENGTH_TOO_SHORT);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\trr->length-=mac_size;\n\t\ti=s->method->ssl3_enc->mac(s,md,0);\n\t\tif (memcmp(md,&(rr->data[rr->length]),mac_size) != 0)\n\t\t\t{\n\t\t\tal=SSL_AD_BAD_RECORD_MAC;\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_BAD_MAC_DECODE);\n\t\t\tret= -1;\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\tif (s->expand != NULL)\n\t\t{\n\t\tif (rr->length >\n\t\t\t(unsigned int)SSL3_RT_MAX_COMPRESSED_LENGTH+extra)\n\t\t\t{\n\t\t\tal=SSL_AD_RECORD_OVERFLOW;\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_COMPRESSED_LENGTH_TOO_LONG);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!do_uncompress(s))\n\t\t\t{\n\t\t\tal=SSL_AD_DECOMPRESSION_FAILURE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_BAD_DECOMPRESSION);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\tif (rr->length > (unsigned int)SSL3_RT_MAX_PLAIN_LENGTH+extra)\n\t\t{\n\t\tal=SSL_AD_RECORD_OVERFLOW;\n\t\tSSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_DATA_LENGTH_TOO_LONG);\n\t\tgoto f_err;\n\t\t}\n\trr->off=0;\n\ts->packet_length=0;\n\tif (rr->length == 0) goto again;\n\treturn(1);\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\treturn(ret);\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\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tCRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,(char *)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\tCRYPTO_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}', 'char *lh_delete(LHASH *lh, char *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tchar *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((char *)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}'] |
21,475 | 0 | https://github.com/openssl/openssl/blob/24b8e4b2c835d6bf52c2768d4d4a78ed7d7e85bb/ssl/packet.c/#L49 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['int tls_construct_client_server_name(SSL *s, WPACKET *pkt, int *al)\n{\n if (s->tlsext_hostname == NULL)\n return 1;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)\n || !WPACKET_sub_memcpy_u16(pkt, s->tlsext_hostname,\n strlen(s->tlsext_hostname))\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SERVER_NAME, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n unsigned char *data;\n assert(size <= sizeof(unsigned int));\n if (size > sizeof(unsigned int)\n || !WPACKET_allocate_bytes(pkt, size, &data)\n || !put_value(data, val, size))\n return 0;\n return 1;\n}', 'int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_memcpy(pkt, src, len)\n || !WPACKET_close(pkt))\n return 0;\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_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 if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
21,476 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/pngdec.c/#L207 | static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,
uint8_t *src, uint8_t *last, int size, int bpp)
{
int i, p, r, g, b, a;
switch(filter_type) {
case PNG_FILTER_VALUE_NONE:
memcpy(dst, src, size);
break;
case PNG_FILTER_VALUE_SUB:
for(i = 0; i < bpp; i++) {
dst[i] = src[i];
}
if(bpp == 4) {
p = *(int*)dst;
for(; i < size; i+=bpp) {
int s = *(int*)(src+i);
p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080);
*(int*)(dst+i) = p;
}
} else {
#define OP_SUB(x,s,l) x+s
UNROLL_FILTER(OP_SUB);
}
break;
case PNG_FILTER_VALUE_UP:
dsp->add_bytes_l2(dst, src, last, size);
break;
case PNG_FILTER_VALUE_AVG:
for(i = 0; i < bpp; i++) {
p = (last[i] >> 1);
dst[i] = p + src[i];
}
#define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff
UNROLL_FILTER(OP_AVG);
break;
case PNG_FILTER_VALUE_PAETH:
for(i = 0; i < bpp; i++) {
p = last[i];
dst[i] = p + src[i];
}
if(bpp > 1 && size > 4) {
int w = bpp==4 ? size : size-3;
dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);
i = w;
}
ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);
break;
}
} | ['static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,\n uint8_t *src, uint8_t *last, int size, int bpp)\n{\n int i, p, r, g, b, a;\n switch(filter_type) {\n case PNG_FILTER_VALUE_NONE:\n memcpy(dst, src, size);\n break;\n case PNG_FILTER_VALUE_SUB:\n for(i = 0; i < bpp; i++) {\n dst[i] = src[i];\n }\n if(bpp == 4) {\n p = *(int*)dst;\n for(; i < size; i+=bpp) {\n int s = *(int*)(src+i);\n p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080);\n *(int*)(dst+i) = p;\n }\n } else {\n#define OP_SUB(x,s,l) x+s\n UNROLL_FILTER(OP_SUB);\n }\n break;\n case PNG_FILTER_VALUE_UP:\n dsp->add_bytes_l2(dst, src, last, size);\n break;\n case PNG_FILTER_VALUE_AVG:\n for(i = 0; i < bpp; i++) {\n p = (last[i] >> 1);\n dst[i] = p + src[i];\n }\n#define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff\n UNROLL_FILTER(OP_AVG);\n break;\n case PNG_FILTER_VALUE_PAETH:\n for(i = 0; i < bpp; i++) {\n p = last[i];\n dst[i] = p + src[i];\n }\n if(bpp > 1 && size > 4) {\n int w = bpp==4 ? size : size-3;\n dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);\n i = w;\n }\n ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);\n break;\n }\n}'] |
21,477 | 1 | https://github.com/libav/libav/blob/44d16df413878588659dd8901bba016b5a869fd1/libavcodec/error_resilience.c/#L839 | void ff_er_frame_end(ERContext *s)
{
int *linesize = s->cur_pic.f->linesize;
int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;
int distance;
int threshold_part[4] = { 100, 100, 100 };
int threshold = 50;
int is_intra_likely;
if (!s->avctx->error_concealment || s->error_count == 0 ||
s->avctx->hwaccel ||
!s->cur_pic.f ||
s->cur_pic.field_picture ||
s->error_count == 3 * s->mb_width *
(s->avctx->skip_top + s->avctx->skip_bottom)) {
return;
};
if (!s->cur_pic.motion_val[0] || !s->cur_pic.ref_index[0]) {
av_log(s->avctx, AV_LOG_ERROR, "MVs not available, ER not possible.\n");
return;
}
if (s->avctx->debug & FF_DEBUG_ER) {
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
int status = s->error_status_table[mb_x + mb_y * s->mb_stride];
av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
}
for (error_type = 1; error_type <= 3; error_type++) {
int end_ok = 0;
for (i = s->mb_num - 1; i >= 0; i--) {
const int mb_xy = s->mb_index2xy[i];
int error = s->error_status_table[mb_xy];
if (error & (1 << error_type))
end_ok = 1;
if (error & (8 << error_type))
end_ok = 1;
if (!end_ok)
s->error_status_table[mb_xy] |= 1 << error_type;
if (error & VP_START)
end_ok = 0;
}
}
if (s->partitioned_frame) {
int end_ok = 0;
for (i = s->mb_num - 1; i >= 0; i--) {
const int mb_xy = s->mb_index2xy[i];
int error = s->error_status_table[mb_xy];
if (error & ER_AC_END)
end_ok = 0;
if ((error & ER_MV_END) ||
(error & ER_DC_END) ||
(error & ER_AC_ERROR))
end_ok = 1;
if (!end_ok)
s->error_status_table[mb_xy]|= ER_AC_ERROR;
if (error & VP_START)
end_ok = 0;
}
}
if (s->avctx->err_recognition & AV_EF_EXPLODE) {
int end_ok = 1;
for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) {
const int mb_xy = s->mb_index2xy[i];
int error1 = s->error_status_table[mb_xy];
int error2 = s->error_status_table[s->mb_index2xy[i + 1]];
if (error1 & VP_START)
end_ok = 1;
if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) &&
error1 != (VP_START | ER_MB_ERROR | ER_MB_END) &&
((error1 & ER_AC_END) || (error1 & ER_DC_END) ||
(error1 & ER_MV_END))) {
end_ok = 0;
}
if (!end_ok)
s->error_status_table[mb_xy] |= ER_MB_ERROR;
}
}
distance = 9999999;
for (error_type = 1; error_type <= 3; error_type++) {
for (i = s->mb_num - 1; i >= 0; i--) {
const int mb_xy = s->mb_index2xy[i];
int error = s->error_status_table[mb_xy];
if (s->mbskip_table && !s->mbskip_table[mb_xy])
distance++;
if (error & (1 << error_type))
distance = 0;
if (s->partitioned_frame) {
if (distance < threshold_part[error_type - 1])
s->error_status_table[mb_xy] |= 1 << error_type;
} else {
if (distance < threshold)
s->error_status_table[mb_xy] |= 1 << error_type;
}
if (error & VP_START)
distance = 9999999;
}
}
error = 0;
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
int old_error = s->error_status_table[mb_xy];
if (old_error & VP_START) {
error = old_error & ER_MB_ERROR;
} else {
error |= old_error & ER_MB_ERROR;
s->error_status_table[mb_xy] |= error;
}
}
if (!s->partitioned_frame) {
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
error = s->error_status_table[mb_xy];
if (error & ER_MB_ERROR)
error |= ER_MB_ERROR;
s->error_status_table[mb_xy] = error;
}
}
dc_error = ac_error = mv_error = 0;
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
error = s->error_status_table[mb_xy];
if (error & ER_DC_ERROR)
dc_error++;
if (error & ER_AC_ERROR)
ac_error++;
if (error & ER_MV_ERROR)
mv_error++;
}
av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors\n",
dc_error, ac_error, mv_error);
is_intra_likely = is_intra_more_likely(s);
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
error = s->error_status_table[mb_xy];
if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))
continue;
if (is_intra_likely)
s->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4;
else
s->cur_pic.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;
}
if (!(s->last_pic.f && s->last_pic.f->data[0]) &&
!(s->next_pic.f && s->next_pic.f->data[0]))
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
if (!IS_INTRA(s->cur_pic.mb_type[mb_xy]))
s->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4;
}
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
const int mb_xy = mb_x + mb_y * s->mb_stride;
const int mb_type = s->cur_pic.mb_type[mb_xy];
const int dir = !(s->last_pic.f && s->last_pic.f->data[0]);
const int mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;
int mv_type;
error = s->error_status_table[mb_xy];
if (IS_INTRA(mb_type))
continue;
if (error & ER_MV_ERROR)
continue;
if (!(error & ER_AC_ERROR))
continue;
if (IS_8X8(mb_type)) {
int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;
int j;
mv_type = MV_TYPE_8X8;
for (j = 0; j < 4; j++) {
s->mv[0][j][0] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];
s->mv[0][j][1] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];
}
} else {
mv_type = MV_TYPE_16X16;
s->mv[0][0][0] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];
s->mv[0][0][1] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];
}
s->decode_mb(s->opaque, 0 ,
mv_dir, mv_type, &s->mv, mb_x, mb_y, 0, 0);
}
}
if (s->cur_pic.f->pict_type == AV_PICTURE_TYPE_B) {
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
int xy = mb_x * 2 + mb_y * 2 * s->b8_stride;
const int mb_xy = mb_x + mb_y * s->mb_stride;
const int mb_type = s->cur_pic.mb_type[mb_xy];
int mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
error = s->error_status_table[mb_xy];
if (IS_INTRA(mb_type))
continue;
if (!(error & ER_MV_ERROR))
continue;
if (!(error & ER_AC_ERROR))
continue;
if (!(s->last_pic.f && s->last_pic.f->data[0]))
mv_dir &= ~MV_DIR_FORWARD;
if (!(s->next_pic.f && s->next_pic.f->data[0]))
mv_dir &= ~MV_DIR_BACKWARD;
if (s->pp_time) {
int time_pp = s->pp_time;
int time_pb = s->pb_time;
ff_thread_await_progress(s->next_pic.tf, mb_y, 0);
s->mv[0][0][0] = s->next_pic.motion_val[0][xy][0] * time_pb / time_pp;
s->mv[0][0][1] = s->next_pic.motion_val[0][xy][1] * time_pb / time_pp;
s->mv[1][0][0] = s->next_pic.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;
s->mv[1][0][1] = s->next_pic.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp;
} else {
s->mv[0][0][0] = 0;
s->mv[0][0][1] = 0;
s->mv[1][0][0] = 0;
s->mv[1][0][1] = 0;
}
s->decode_mb(s->opaque, 0, mv_dir, MV_TYPE_16X16, &s->mv,
mb_x, mb_y, 0, 0);
}
}
} else
guess_mv(s);
#if FF_API_XVMC
FF_DISABLE_DEPRECATION_WARNINGS
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
goto ec_clean;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
int dc, dcu, dcv, y, n;
int16_t *dc_ptr;
uint8_t *dest_y, *dest_cb, *dest_cr;
const int mb_xy = mb_x + mb_y * s->mb_stride;
const int mb_type = s->cur_pic.mb_type[mb_xy];
error = s->error_status_table[mb_xy];
if (IS_INTRA(mb_type) && s->partitioned_frame)
continue;
dest_y = s->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0];
dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1];
dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2];
dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride];
for (n = 0; n < 4; n++) {
dc = 0;
for (y = 0; y < 8; y++) {
int x;
for (x = 0; x < 8; x++)
dc += dest_y[x + (n & 1) * 8 +
(y + (n >> 1) * 8) * linesize[0]];
}
dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3;
}
dcu = dcv = 0;
for (y = 0; y < 8; y++) {
int x;
for (x = 0; x < 8; x++) {
dcu += dest_cb[x + y * linesize[1]];
dcv += dest_cr[x + y * linesize[2]];
}
}
s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3;
s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3;
}
}
guess_dc(s, s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride, 1);
guess_dc(s, s->dc_val[1], s->mb_width, s->mb_height, s->mb_stride, 0);
guess_dc(s, s->dc_val[2], s->mb_width, s->mb_height, s->mb_stride, 0);
filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride);
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
uint8_t *dest_y, *dest_cb, *dest_cr;
const int mb_xy = mb_x + mb_y * s->mb_stride;
const int mb_type = s->cur_pic.mb_type[mb_xy];
error = s->error_status_table[mb_xy];
if (IS_INTER(mb_type))
continue;
if (!(error & ER_AC_ERROR))
continue;
dest_y = s->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0];
dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1];
dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2];
put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);
}
}
if (s->avctx->error_concealment & FF_EC_DEBLOCK) {
h_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2,
s->mb_height * 2, linesize[0], 1);
h_block_filter(s, s->cur_pic.f->data[1], s->mb_width,
s->mb_height, linesize[1], 0);
h_block_filter(s, s->cur_pic.f->data[2], s->mb_width,
s->mb_height, linesize[2], 0);
v_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2,
s->mb_height * 2, linesize[0], 1);
v_block_filter(s, s->cur_pic.f->data[1], s->mb_width,
s->mb_height, linesize[1], 0);
v_block_filter(s, s->cur_pic.f->data[2], s->mb_width,
s->mb_height, linesize[2], 0);
}
ec_clean:
for (i = 0; i < s->mb_num; i++) {
const int mb_xy = s->mb_index2xy[i];
int error = s->error_status_table[mb_xy];
if (s->mbskip_table && s->cur_pic.f->pict_type != AV_PICTURE_TYPE_B &&
(error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) {
s->mbskip_table[mb_xy] = 0;
}
if (s->mbintra_table)
s->mbintra_table[mb_xy] = 1;
}
memset(&s->cur_pic, 0, sizeof(ERPicture));
memset(&s->last_pic, 0, sizeof(ERPicture));
memset(&s->next_pic, 0, sizeof(ERPicture));
} | ['static int h264_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n H264Context *h = avctx->priv_data;\n AVFrame *pict = data;\n int buf_index = 0;\n int ret;\n h->flags = avctx->flags;\n h->setup_finished = 0;\nout:\n if (buf_size == 0) {\n H264Picture *out;\n int i, out_idx;\n h->cur_pic_ptr = NULL;\n out = h->delayed_pic[0];\n out_idx = 0;\n for (i = 1;\n h->delayed_pic[i] &&\n !h->delayed_pic[i]->f->key_frame &&\n !h->delayed_pic[i]->mmco_reset;\n i++)\n if (h->delayed_pic[i]->poc < out->poc) {\n out = h->delayed_pic[i];\n out_idx = i;\n }\n for (i = out_idx; h->delayed_pic[i]; i++)\n h->delayed_pic[i] = h->delayed_pic[i + 1];\n if (out) {\n ret = output_frame(h, pict, out->f);\n if (ret < 0)\n return ret;\n *got_frame = 1;\n }\n return buf_index;\n }\n buf_index = decode_nal_units(h, buf, buf_size, 0);\n if (buf_index < 0)\n return AVERROR_INVALIDDATA;\n if (!h->cur_pic_ptr && h->nal_unit_type == NAL_END_SEQUENCE) {\n buf_size = 0;\n goto out;\n }\n if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS) && !h->cur_pic_ptr) {\n if (avctx->skip_frame >= AVDISCARD_NONREF)\n return 0;\n av_log(avctx, AV_LOG_ERROR, "no frame!\\n");\n return AVERROR_INVALIDDATA;\n }\n if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS) ||\n (h->mb_y >= h->mb_height && h->mb_height)) {\n if (avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)\n decode_postinit(h, 1);\n ff_h264_field_end(h, &h->slice_ctx[0], 0);\n *got_frame = 0;\n if (h->next_output_pic && ((avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) ||\n h->next_output_pic->recovered)) {\n if (!h->next_output_pic->recovered)\n h->next_output_pic->f->flags |= AV_FRAME_FLAG_CORRUPT;\n ret = output_frame(h, pict, h->next_output_pic->f);\n if (ret < 0)\n return ret;\n *got_frame = 1;\n }\n }\n assert(pict->buf[0] || !*got_frame);\n return get_consumed_bytes(buf_index, buf_size);\n}', 'static void decode_postinit(H264Context *h, int setup_finished)\n{\n H264Picture *out = h->cur_pic_ptr;\n H264Picture *cur = h->cur_pic_ptr;\n int i, pics, out_of_order, out_idx;\n int invalid = 0, cnt = 0;\n h->cur_pic_ptr->f->pict_type = h->pict_type;\n if (h->next_output_pic)\n return;\n if (cur->field_poc[0] == INT_MAX || cur->field_poc[1] == INT_MAX) {\n return;\n }\n cur->f->interlaced_frame = 0;\n cur->f->repeat_pict = 0;\n if (h->sps.pic_struct_present_flag) {\n switch (h->sei_pic_struct) {\n case SEI_PIC_STRUCT_FRAME:\n break;\n case SEI_PIC_STRUCT_TOP_FIELD:\n case SEI_PIC_STRUCT_BOTTOM_FIELD:\n cur->f->interlaced_frame = 1;\n break;\n case SEI_PIC_STRUCT_TOP_BOTTOM:\n case SEI_PIC_STRUCT_BOTTOM_TOP:\n if (FIELD_OR_MBAFF_PICTURE(h))\n cur->f->interlaced_frame = 1;\n else\n cur->f->interlaced_frame = h->prev_interlaced_frame;\n break;\n case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:\n case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:\n cur->f->repeat_pict = 1;\n break;\n case SEI_PIC_STRUCT_FRAME_DOUBLING:\n cur->f->repeat_pict = 2;\n break;\n case SEI_PIC_STRUCT_FRAME_TRIPLING:\n cur->f->repeat_pict = 4;\n break;\n }\n if ((h->sei_ct_type & 3) &&\n h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)\n cur->f->interlaced_frame = (h->sei_ct_type & (1 << 1)) != 0;\n } else {\n cur->f->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);\n }\n h->prev_interlaced_frame = cur->f->interlaced_frame;\n if (cur->field_poc[0] != cur->field_poc[1]) {\n cur->f->top_field_first = cur->field_poc[0] < cur->field_poc[1];\n } else {\n if (cur->f->interlaced_frame || h->sps.pic_struct_present_flag) {\n if (h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM ||\n h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)\n cur->f->top_field_first = 1;\n else\n cur->f->top_field_first = 0;\n } else {\n cur->f->top_field_first = 0;\n }\n }\n if (h->sei_frame_packing_present &&\n h->frame_packing_arrangement_type >= 0 &&\n h->frame_packing_arrangement_type <= 6 &&\n h->content_interpretation_type > 0 &&\n h->content_interpretation_type < 3) {\n AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f);\n if (!stereo)\n return;\n switch (h->frame_packing_arrangement_type) {\n case 0:\n stereo->type = AV_STEREO3D_CHECKERBOARD;\n break;\n case 1:\n stereo->type = AV_STEREO3D_COLUMNS;\n break;\n case 2:\n stereo->type = AV_STEREO3D_LINES;\n break;\n case 3:\n if (h->quincunx_subsampling)\n stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;\n else\n stereo->type = AV_STEREO3D_SIDEBYSIDE;\n break;\n case 4:\n stereo->type = AV_STEREO3D_TOPBOTTOM;\n break;\n case 5:\n stereo->type = AV_STEREO3D_FRAMESEQUENCE;\n break;\n case 6:\n stereo->type = AV_STEREO3D_2D;\n break;\n }\n if (h->content_interpretation_type == 2)\n stereo->flags = AV_STEREO3D_FLAG_INVERT;\n }\n if (h->sei_display_orientation_present &&\n (h->sei_anticlockwise_rotation || h->sei_hflip || h->sei_vflip)) {\n double angle = h->sei_anticlockwise_rotation * 360 / (double) (1 << 16);\n AVFrameSideData *rotation = av_frame_new_side_data(cur->f,\n AV_FRAME_DATA_DISPLAYMATRIX,\n sizeof(int32_t) * 9);\n if (!rotation)\n return;\n av_display_rotation_set((int32_t *)rotation->data, angle);\n av_display_matrix_flip((int32_t *)rotation->data,\n h->sei_hflip, h->sei_vflip);\n }\n if (h->sei_reguserdata_afd_present) {\n AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD,\n sizeof(uint8_t));\n if (!sd)\n return;\n *sd->data = h->active_format_description;\n h->sei_reguserdata_afd_present = 0;\n }\n if (h->a53_caption) {\n AVFrameSideData *sd = av_frame_new_side_data(cur->f,\n AV_FRAME_DATA_A53_CC,\n h->a53_caption_size);\n if (!sd)\n return;\n memcpy(sd->data, h->a53_caption, h->a53_caption_size);\n av_freep(&h->a53_caption);\n h->a53_caption_size = 0;\n }\n if (h->sps.bitstream_restriction_flag ||\n h->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {\n h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, h->sps.num_reorder_frames);\n }\n h->low_delay = !h->avctx->has_b_frames;\n pics = 0;\n while (h->delayed_pic[pics])\n pics++;\n assert(pics <= MAX_DELAYED_PIC_COUNT);\n h->delayed_pic[pics++] = cur;\n if (cur->reference == 0)\n cur->reference = DELAYED_PIC_REF;\n for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) {\n cnt += out->poc < h->last_pocs[i];\n invalid += out->poc == INT_MIN;\n }\n if (!h->mmco_reset && !cur->f->key_frame &&\n cnt + invalid == MAX_DELAYED_PIC_COUNT && cnt > 0) {\n h->mmco_reset = 2;\n if (pics > 1)\n h->delayed_pic[pics - 2]->mmco_reset = 2;\n }\n if (h->mmco_reset || cur->f->key_frame) {\n for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)\n h->last_pocs[i] = INT_MIN;\n cnt = 0;\n invalid = MAX_DELAYED_PIC_COUNT;\n }\n out = h->delayed_pic[0];\n out_idx = 0;\n for (i = 1; i < MAX_DELAYED_PIC_COUNT &&\n h->delayed_pic[i] &&\n !h->delayed_pic[i - 1]->mmco_reset &&\n !h->delayed_pic[i]->f->key_frame;\n i++)\n if (h->delayed_pic[i]->poc < out->poc) {\n out = h->delayed_pic[i];\n out_idx = i;\n }\n if (h->avctx->has_b_frames == 0 &&\n (h->delayed_pic[0]->f->key_frame || h->mmco_reset))\n h->next_outputed_poc = INT_MIN;\n out_of_order = !out->f->key_frame && !h->mmco_reset &&\n (out->poc < h->next_outputed_poc);\n if (h->sps.bitstream_restriction_flag &&\n h->avctx->has_b_frames >= h->sps.num_reorder_frames) {\n } else if (out_of_order && pics - 1 == h->avctx->has_b_frames &&\n h->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT) {\n if (invalid + cnt < MAX_DELAYED_PIC_COUNT) {\n h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, cnt);\n }\n h->low_delay = 0;\n } else if (h->low_delay &&\n ((h->next_outputed_poc != INT_MIN &&\n out->poc > h->next_outputed_poc + 2) ||\n cur->f->pict_type == AV_PICTURE_TYPE_B)) {\n h->low_delay = 0;\n h->avctx->has_b_frames++;\n }\n if (pics > h->avctx->has_b_frames) {\n out->reference &= ~DELAYED_PIC_REF;\n for (i = out_idx; h->delayed_pic[i]; i++)\n h->delayed_pic[i] = h->delayed_pic[i + 1];\n }\n memmove(h->last_pocs, &h->last_pocs[1],\n sizeof(*h->last_pocs) * (MAX_DELAYED_PIC_COUNT - 1));\n h->last_pocs[MAX_DELAYED_PIC_COUNT - 1] = cur->poc;\n if (!out_of_order && pics > h->avctx->has_b_frames) {\n h->next_output_pic = out;\n if (out->mmco_reset) {\n if (out_idx > 0) {\n h->next_outputed_poc = out->poc;\n h->delayed_pic[out_idx - 1]->mmco_reset = out->mmco_reset;\n } else {\n h->next_outputed_poc = INT_MIN;\n }\n } else {\n if (out_idx == 0 && pics > 1 && h->delayed_pic[0]->f->key_frame) {\n h->next_outputed_poc = INT_MIN;\n } else {\n h->next_outputed_poc = out->poc;\n }\n }\n h->mmco_reset = 0;\n } else {\n av_log(h->avctx, AV_LOG_DEBUG, "no picture\\n");\n }\n if (h->next_output_pic) {\n if (h->next_output_pic->recovered) {\n h->frame_recovered |= FRAME_RECOVERED_SEI;\n }\n h->next_output_pic->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_SEI);\n }\n if (setup_finished && !h->avctx->hwaccel) {\n ff_thread_finish_setup(h->avctx);\n if (h->avctx->active_thread_type & FF_THREAD_FRAME)\n h->setup_finished = 1;\n }\n}', 'int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup)\n{\n AVCodecContext *const avctx = h->avctx;\n int err = 0;\n h->mb_y = 0;\n if (!in_setup && !h->droppable)\n ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,\n h->picture_structure == PICT_BOTTOM_FIELD);\n if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) {\n if (!h->droppable) {\n err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);\n h->prev_poc_msb = h->poc_msb;\n h->prev_poc_lsb = h->poc_lsb;\n }\n h->prev_frame_num_offset = h->frame_num_offset;\n h->prev_frame_num = h->frame_num;\n }\n if (avctx->hwaccel) {\n if (avctx->hwaccel->end_frame(avctx) < 0)\n av_log(avctx, AV_LOG_ERROR,\n "hardware accelerator failed to decode picture\\n");\n }\n#if CONFIG_ERROR_RESILIENCE\n if (!FIELD_PICTURE(h) && h->enable_er) {\n h264_set_erpic(&sl->er.cur_pic, h->cur_pic_ptr);\n h264_set_erpic(&sl->er.last_pic,\n sl->ref_count[0] ? sl->ref_list[0][0].parent : NULL);\n h264_set_erpic(&sl->er.next_pic,\n sl->ref_count[1] ? sl->ref_list[1][0].parent : NULL);\n ff_er_frame_end(&sl->er);\n }\n#endif\n emms_c();\n h->current_slice = 0;\n return err;\n}', 'void ff_er_frame_end(ERContext *s)\n{\n int *linesize = s->cur_pic.f->linesize;\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 if (!s->avctx->error_concealment || s->error_count == 0 ||\n s->avctx->hwaccel ||\n !s->cur_pic.f ||\n s->cur_pic.field_picture ||\n s->error_count == 3 * s->mb_width *\n (s->avctx->skip_top + s->avctx->skip_bottom)) {\n return;\n };\n if (!s->cur_pic.motion_val[0] || !s->cur_pic.ref_index[0]) {\n av_log(s->avctx, AV_LOG_ERROR, "MVs not available, ER not possible.\\n");\n return;\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->avctx->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 && !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->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n else\n s->cur_pic.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;\n }\n if (!(s->last_pic.f && s->last_pic.f->data[0]) &&\n !(s->next_pic.f && s->next_pic.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->cur_pic.mb_type[mb_xy]))\n s->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n }\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 const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->cur_pic.mb_type[mb_xy];\n const int dir = !(s->last_pic.f && s->last_pic.f->data[0]);\n const int mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;\n int mv_type;\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 if (IS_8X8(mb_type)) {\n int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;\n int j;\n mv_type = MV_TYPE_8X8;\n for (j = 0; j < 4; j++) {\n s->mv[0][j][0] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];\n s->mv[0][j][1] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];\n }\n } else {\n mv_type = MV_TYPE_16X16;\n s->mv[0][0][0] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];\n s->mv[0][0][1] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];\n }\n s->decode_mb(s->opaque, 0 ,\n mv_dir, mv_type, &s->mv, mb_x, mb_y, 0, 0);\n }\n }\n if (s->cur_pic.f->pict_type == AV_PICTURE_TYPE_B) {\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 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->cur_pic.mb_type[mb_xy];\n int mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;\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 if (!(s->last_pic.f && s->last_pic.f->data[0]))\n mv_dir &= ~MV_DIR_FORWARD;\n if (!(s->next_pic.f && s->next_pic.f->data[0]))\n mv_dir &= ~MV_DIR_BACKWARD;\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_pic.tf, mb_y, 0);\n s->mv[0][0][0] = s->next_pic.motion_val[0][xy][0] * time_pb / time_pp;\n s->mv[0][0][1] = s->next_pic.motion_val[0][xy][1] * time_pb / time_pp;\n s->mv[1][0][0] = s->next_pic.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;\n s->mv[1][0][1] = s->next_pic.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->decode_mb(s->opaque, 0, mv_dir, MV_TYPE_16X16, &s->mv,\n mb_x, mb_y, 0, 0);\n }\n }\n } else\n guess_mv(s);\n#if FF_API_XVMC\nFF_DISABLE_DEPRECATION_WARNINGS\n if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)\n goto ec_clean;\nFF_ENABLE_DEPRECATION_WARNINGS\n#endif\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->cur_pic.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->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0];\n dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1];\n dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2];\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) * linesize[0]];\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 * linesize[1]];\n dcv += dest_cr[x + y * linesize[2]];\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->cur_pic.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->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0];\n dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1];\n dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2];\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->cur_pic.f->data[0], s->mb_width * 2,\n s->mb_height * 2, linesize[0], 1);\n h_block_filter(s, s->cur_pic.f->data[1], s->mb_width,\n s->mb_height, linesize[1], 0);\n h_block_filter(s, s->cur_pic.f->data[2], s->mb_width,\n s->mb_height, linesize[2], 0);\n v_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2,\n s->mb_height * 2, linesize[0], 1);\n v_block_filter(s, s->cur_pic.f->data[1], s->mb_width,\n s->mb_height, linesize[1], 0);\n v_block_filter(s, s->cur_pic.f->data[2], s->mb_width,\n s->mb_height, linesize[2], 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->mbskip_table && s->cur_pic.f->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 if (s->mbintra_table)\n s->mbintra_table[mb_xy] = 1;\n }\n memset(&s->cur_pic, 0, sizeof(ERPicture));\n memset(&s->last_pic, 0, sizeof(ERPicture));\n memset(&s->next_pic, 0, sizeof(ERPicture));\n}'] |
21,478 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_asm.c/#L353 | BN_ULONG bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, size_t n)
{
BN_ULONG c,l,t;
assert(n >= 0);
if (n <= 0) return((BN_ULONG)0);
c=0;
#ifndef OPENSSL_SMALL_FOOTPRINT
while (n&~3)
{
t=a[0];
t=(t+c)&BN_MASK2;
c=(t < c);
l=(t+b[0])&BN_MASK2;
c+=(l < t);
r[0]=l;
t=a[1];
t=(t+c)&BN_MASK2;
c=(t < c);
l=(t+b[1])&BN_MASK2;
c+=(l < t);
r[1]=l;
t=a[2];
t=(t+c)&BN_MASK2;
c=(t < c);
l=(t+b[2])&BN_MASK2;
c+=(l < t);
r[2]=l;
t=a[3];
t=(t+c)&BN_MASK2;
c=(t < c);
l=(t+b[3])&BN_MASK2;
c+=(l < t);
r[3]=l;
a+=4; b+=4; r+=4; n-=4;
}
#endif
while(n)
{
t=a[0];
t=(t+c)&BN_MASK2;
c=(t < c);
l=(t+b[0])&BN_MASK2;
c+=(l < t);
r[0]=l;
a++; b++; r++; n--;
}
return((BN_ULONG)c);
} | ['void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n\t{\n\tint i,j,max;\n\tconst BN_ULONG *ap;\n\tBN_ULONG *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_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, size_t n)\n {\n\tBN_ULONG c,l,t;\n\tassert(n >= 0);\n\tif (n <= 0) return((BN_ULONG)0);\n\tc=0;\n#ifndef OPENSSL_SMALL_FOOTPRINT\n\twhile (n&~3)\n\t\t{\n\t\tt=a[0];\n\t\tt=(t+c)&BN_MASK2;\n\t\tc=(t < c);\n\t\tl=(t+b[0])&BN_MASK2;\n\t\tc+=(l < t);\n\t\tr[0]=l;\n\t\tt=a[1];\n\t\tt=(t+c)&BN_MASK2;\n\t\tc=(t < c);\n\t\tl=(t+b[1])&BN_MASK2;\n\t\tc+=(l < t);\n\t\tr[1]=l;\n\t\tt=a[2];\n\t\tt=(t+c)&BN_MASK2;\n\t\tc=(t < c);\n\t\tl=(t+b[2])&BN_MASK2;\n\t\tc+=(l < t);\n\t\tr[2]=l;\n\t\tt=a[3];\n\t\tt=(t+c)&BN_MASK2;\n\t\tc=(t < c);\n\t\tl=(t+b[3])&BN_MASK2;\n\t\tc+=(l < t);\n\t\tr[3]=l;\n\t\ta+=4; b+=4; r+=4; n-=4;\n\t\t}\n#endif\n\twhile(n)\n\t\t{\n\t\tt=a[0];\n\t\tt=(t+c)&BN_MASK2;\n\t\tc=(t < c);\n\t\tl=(t+b[0])&BN_MASK2;\n\t\tc+=(l < t);\n\t\tr[0]=l;\n\t\ta++; b++; r++; n--;\n\t\t}\n\treturn((BN_ULONG)c);\n\t}'] |
21,479 | 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;
} | ['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}', '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 }\n a->d[i] |= (((BN_ULONG)1) << j);\n bn_check_top(a);\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 = 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}'] |
21,480 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/imc.c/#L518 | static void imc_adjust_bit_allocation (IMCContext* q, int summer) {
float workT[32];
int corrected = 0;
int i, j;
float highest = 0;
int found_indx=0;
for(i = 0; i < BANDS; i++) {
workT[i] = (q->bitsBandT[i] == 6) ? -1.e20 : (q->bitsBandT[i] * -2 + q->flcoeffs4[i] - 0.415);
}
while (corrected < summer) {
if(highest <= -1.e20)
break;
highest = -1.e20;
for(i = 0; i < BANDS; i++) {
if (workT[i] > highest) {
highest = workT[i];
found_indx = i;
}
}
if (highest > -1.e20) {
workT[found_indx] -= 2.0;
if (++(q->bitsBandT[found_indx]) == 6)
workT[found_indx] = -1.e20;
for(j = band_tab[found_indx]; j < band_tab[found_indx+1] && (corrected < summer); j++) {
if (!q->skipFlags[j] && (q->CWlengthT[j] < 6)) {
q->CWlengthT[j]++;
corrected++;
}
}
}
}
} | ['static void imc_adjust_bit_allocation (IMCContext* q, int summer) {\n float workT[32];\n int corrected = 0;\n int i, j;\n float highest = 0;\n int found_indx=0;\n for(i = 0; i < BANDS; i++) {\n workT[i] = (q->bitsBandT[i] == 6) ? -1.e20 : (q->bitsBandT[i] * -2 + q->flcoeffs4[i] - 0.415);\n }\n while (corrected < summer) {\n if(highest <= -1.e20)\n break;\n highest = -1.e20;\n for(i = 0; i < BANDS; i++) {\n if (workT[i] > highest) {\n highest = workT[i];\n found_indx = i;\n }\n }\n if (highest > -1.e20) {\n workT[found_indx] -= 2.0;\n if (++(q->bitsBandT[found_indx]) == 6)\n workT[found_indx] = -1.e20;\n for(j = band_tab[found_indx]; j < band_tab[found_indx+1] && (corrected < summer); j++) {\n if (!q->skipFlags[j] && (q->CWlengthT[j] < 6)) {\n q->CWlengthT[j]++;\n corrected++;\n }\n }\n }\n }\n}'] |
21,481 | 0 | https://github.com/openssl/openssl/blob/9c4fe782607d8542c5f55ef1b5c687fef1da5d75/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, const 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;
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 ssl3_accept(SSL *s)\n\t{\n\tBUF_MEM *buf;\n\tunsigned long l,Time=time(NULL);\n\tvoid (*cb)(const SSL *ssl,int type,int val)=NULL;\n\tlong num1;\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\tif (s->cert == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_ACCEPT,SSL_R_NO_CERTIFICATE_SET);\n\t\treturn(-1);\n\t\t}\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\tcase SSL_ST_BEFORE:\n\t\tcase SSL_ST_ACCEPT:\n\t\tcase SSL_ST_BEFORE|SSL_ST_ACCEPT:\n\t\tcase SSL_ST_OK|SSL_ST_ACCEPT:\n\t\t\ts->server=1;\n\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);\n\t\t\tif ((s->version>>8) != 3)\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_ACCEPT, ERR_R_INTERNAL_ERROR);\n\t\t\t\treturn -1;\n\t\t\t\t}\n\t\t\ts->type=SSL_ST_ACCEPT;\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\t}\n\t\t\tif (!ssl3_setup_buffers(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\ts->init_num=0;\n\t\t\tif (s->state != SSL_ST_RENEGOTIATE)\n\t\t\t\t{\n\t\t\t\tif (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; }\n\t\t\t\tssl3_init_finished_mac(s);\n\t\t\t\ts->state=SSL3_ST_SR_CLNT_HELLO_A;\n\t\t\t\ts->ctx->stats.sess_accept++;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->ctx->stats.sess_accept_renegotiate++;\n\t\t\t\ts->state=SSL3_ST_SW_HELLO_REQ_A;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_HELLO_REQ_A:\n\t\tcase SSL3_ST_SW_HELLO_REQ_B:\n\t\t\ts->shutdown=0;\n\t\t\tret=ssl3_send_hello_request(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SW_HELLO_REQ_C;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->init_num=0;\n\t\t\tssl3_init_finished_mac(s);\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_HELLO_REQ_C:\n\t\t\ts->state=SSL_ST_OK;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CLNT_HELLO_A:\n\t\tcase SSL3_ST_SR_CLNT_HELLO_B:\n\t\tcase SSL3_ST_SR_CLNT_HELLO_C:\n\t\t\ts->shutdown=0;\n\t\t\tret=ssl3_get_client_hello(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->new_session = 2;\n\t\t\ts->state=SSL3_ST_SW_SRVR_HELLO_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_SRVR_HELLO_A:\n\t\tcase SSL3_ST_SW_SRVR_HELLO_B:\n\t\t\tret=ssl3_send_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_SW_CHANGE_A;\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_SW_CERT_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_A:\n\t\tcase SSL3_ST_SW_CERT_B:\n\t\t\tif (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))\n\t\t\t\t{\n\t\t\t\tret=ssl3_send_server_certificate(s);\n\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_SW_KEY_EXCH_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_KEY_EXCH_A:\n\t\tcase SSL3_ST_SW_KEY_EXCH_B:\n\t\t\tl=s->s3->tmp.new_cipher->algorithms;\n\t\t\tif ((s->options & SSL_OP_EPHEMERAL_RSA)\n#ifndef OPENSSL_NO_KRB5\n\t\t\t\t&& !(l & SSL_KRB5)\n#endif\n\t\t\t\t)\n\t\t\t\ts->s3->tmp.use_rsa_tmp=1;\n\t\t\telse\n\t\t\t\ts->s3->tmp.use_rsa_tmp=0;\n\t\t\tif (s->s3->tmp.use_rsa_tmp\n\t\t\t || (l & SSL_kECDHE)\n\t\t\t || (l & (SSL_DH|SSL_kFZA))\n\t\t\t || ((l & SSL_kRSA)\n\t\t\t\t&& (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL\n\t\t\t\t || (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)\n\t\t\t\t\t&& EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)\n\t\t\t\t\t)\n\t\t\t\t )\n\t\t\t\t)\n\t\t\t )\n\t\t\t\t{\n\t\t\t\tret=ssl3_send_server_key_exchange(s);\n\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_SW_CERT_REQ_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_REQ_A:\n\t\tcase SSL3_ST_SW_CERT_REQ_B:\n\t\t\tif (\n\t\t\t\t!(s->verify_mode & SSL_VERIFY_PEER) ||\n\t\t\t\t((s->session->peer != NULL) &&\n\t\t\t\t (s->verify_mode & SSL_VERIFY_CLIENT_ONCE)) ||\n\t\t\t\t((s->s3->tmp.new_cipher->algorithms & SSL_aNULL) &&\n\t\t\t\t !(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) ||\n (s->s3->tmp.new_cipher->algorithms & SSL_aKRB5))\n\t\t\t\t{\n\t\t\t\tskip=1;\n\t\t\t\ts->s3->tmp.cert_request=0;\n\t\t\t\ts->state=SSL3_ST_SW_SRVR_DONE_A;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->s3->tmp.cert_request=1;\n\t\t\t\tret=ssl3_send_certificate_request(s);\n\t\t\t\tif (ret <= 0) goto end;\n#ifndef NETSCAPE_HANG_BUG\n\t\t\t\ts->state=SSL3_ST_SW_SRVR_DONE_A;\n#else\n\t\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CERT_A;\n#endif\n\t\t\t\ts->init_num=0;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_SRVR_DONE_A:\n\t\tcase SSL3_ST_SW_SRVR_DONE_B:\n\t\t\tret=ssl3_send_server_done(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CERT_A;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_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 SSL3_ST_SR_CERT_A:\n\t\tcase SSL3_ST_SR_CERT_B:\n\t\t\tret = ssl3_check_client_hello(s);\n\t\t\tif (ret <= 0)\n\t\t\t\tgoto end;\n\t\t\tif (ret == 2)\n\t\t\t\ts->state = SSL3_ST_SR_CLNT_HELLO_C;\n\t\t\telse {\n\t\t\t\tif (s->s3->tmp.cert_request)\n\t\t\t\t\t{\n\t\t\t\t\tret=ssl3_get_client_certificate(s);\n\t\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t\t}\n\t\t\t\ts->init_num=0;\n\t\t\t\ts->state=SSL3_ST_SR_KEY_EXCH_A;\n\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_KEY_EXCH_A:\n\t\tcase SSL3_ST_SR_KEY_EXCH_B:\n\t\t\tret=ssl3_get_client_key_exchange(s);\n\t\t\tif (ret <= 0)\n\t\t\t\tgoto end;\n\t\t\tif (ret == 2)\n\t\t\t\t{\n\t\t\t\ts->state=SSL3_ST_SR_FINISHED_A;\n\t\t\t\ts->init_num = 0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->state=SSL3_ST_SR_CERT_VRFY_A;\n\t\t\t\ts->init_num=0;\n\t\t\t\ts->method->ssl3_enc->cert_verify_mac(s,\n\t\t\t\t &(s->s3->finish_dgst1),\n\t\t\t\t &(s->s3->tmp.cert_verify_md[0]));\n\t\t\t\ts->method->ssl3_enc->cert_verify_mac(s,\n\t\t\t\t &(s->s3->finish_dgst2),\n\t\t\t\t &(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]));\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CERT_VRFY_A:\n\t\tcase SSL3_ST_SR_CERT_VRFY_B:\n\t\t\tret=ssl3_get_cert_verify(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SR_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_FINISHED_A:\n\t\tcase SSL3_ST_SR_FINISHED_B:\n\t\t\tret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A,\n\t\t\t\tSSL3_ST_SR_FINISHED_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->hit)\n\t\t\t\ts->state=SSL_ST_OK;\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CHANGE_A:\n\t\tcase SSL3_ST_SW_CHANGE_B:\n\t\t\ts->session->cipher=s->s3->tmp.new_cipher;\n\t\t\tif (!s->method->ssl3_enc->setup_key_block(s))\n\t\t\t\t{ ret= -1; goto end; }\n\t\t\tret=ssl3_send_change_cipher_spec(s,\n\t\t\t\tSSL3_ST_SW_CHANGE_A,SSL3_ST_SW_CHANGE_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\tif (!s->method->ssl3_enc->change_cipher_state(s,\n\t\t\t\tSSL3_CHANGE_CIPHER_SERVER_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_SW_FINISHED_A:\n\t\tcase SSL3_ST_SW_FINISHED_B:\n\t\t\tret=ssl3_send_finished(s,\n\t\t\t\tSSL3_ST_SW_FINISHED_A,SSL3_ST_SW_FINISHED_B,\n\t\t\t\ts->method->ssl3_enc->server_finished_label,\n\t\t\t\ts->method->ssl3_enc->server_finished_label_len);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\tif (s->hit)\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;\n\t\t\telse\n\t\t\t\ts->s3->tmp.next_state=SSL_ST_OK;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL_ST_OK:\n\t\t\tssl3_cleanup_key_block(s);\n\t\t\tBUF_MEM_free(s->init_buf);\n\t\t\ts->init_buf=NULL;\n\t\t\tssl_free_wbio_buffer(s);\n\t\t\ts->init_num=0;\n\t\t\tif (s->new_session == 2)\n\t\t\t\t{\n\t\t\t\ts->new_session=0;\n\t\t\t\tssl_update_cache(s,SSL_SESS_CACHE_SERVER);\n\t\t\t\ts->ctx->stats.sess_accept_good++;\n\t\t\t\ts->handshake_func=ssl3_accept;\n\t\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);\n\t\t\t\t}\n\t\t\tret = 1;\n\t\t\tgoto end;\n\t\tdefault:\n\t\t\tSSLerr(SSL_F_SSL3_ACCEPT,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_ACCEPT_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 (cb != NULL)\n\t\tcb(s,SSL_CB_ACCEPT_EXIT,ret);\n\treturn(ret);\n\t}', 'int ssl3_get_client_certificate(SSL *s)\n\t{\n\tint i,ok,al,ret= -1;\n\tX509 *x=NULL;\n\tunsigned long l,nc,llen,n;\n\tconst unsigned char *p,*q;\n\tunsigned char *d;\n\tSTACK_OF(X509) *sk=NULL;\n\tn=s->method->ssl_get_message(s,\n\t\tSSL3_ST_SR_CERT_A,\n\t\tSSL3_ST_SR_CERT_B,\n\t\t-1,\n\t\ts->max_cert_list,\n\t\t&ok);\n\tif (!ok) return((int)n);\n\tif\t(s->s3->tmp.message_type == SSL3_MT_CLIENT_KEY_EXCHANGE)\n\t\t{\n\t\tif (\t(s->verify_mode & SSL_VERIFY_PEER) &&\n\t\t\t(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);\n\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif ((s->version > SSL3_VERSION) && s->s3->tmp.cert_request)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST);\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tgoto f_err;\n\t\t\t}\n\t\ts->s3->tmp.reuse_message=1;\n\t\treturn(1);\n\t\t}\n\tif (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE)\n\t\t{\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_WRONG_MESSAGE_TYPE);\n\t\tgoto f_err;\n\t\t}\n\tp=d=(unsigned char *)s->init_msg;\n\tif ((sk=sk_X509_new_null()) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\tn2l3(p,llen);\n\tif (llen+3 != n)\n\t\t{\n\t\tal=SSL_AD_DECODE_ERROR;\n\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_LENGTH_MISMATCH);\n\t\tgoto f_err;\n\t\t}\n\tfor (nc=0; nc<llen; )\n\t\t{\n\t\tn2l3(p,l);\n\t\tif ((l+nc+3) > llen)\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_CERT_LENGTH_MISMATCH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tq=p;\n\t\tx=d2i_X509(NULL,&p,l);\n\t\tif (x == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,ERR_R_ASN1_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (p != (q+l))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_CERT_LENGTH_MISMATCH);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (!sk_X509_push(sk,x))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\tx=NULL;\n\t\tnc+=l+3;\n\t\t}\n\tif (sk_X509_num(sk) <= 0)\n\t\t{\n\t\tif (s->version == SSL3_VERSION)\n\t\t\t{\n\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_NO_CERTIFICATES_RETURNED);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\telse if ((s->verify_mode & SSL_VERIFY_PEER) &&\n\t\t\t (s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);\n\t\t\tal=SSL_AD_HANDSHAKE_FAILURE;\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\ti=ssl_verify_cert_chain(s,sk);\n\t\tif (!i)\n\t\t\t{\n\t\t\tal=ssl_verify_alarm_type(s->verify_result);\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_NO_CERTIFICATE_RETURNED);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\n\tif (s->session->peer != NULL)\n\t\tX509_free(s->session->peer);\n\ts->session->peer=sk_X509_shift(sk);\n\ts->session->verify_result = s->verify_result;\n\tif (s->session->sess_cert == NULL)\n\t\t{\n\t\ts->session->sess_cert = ssl_sess_cert_new();\n\t\tif (s->session->sess_cert == NULL)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE, ERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (s->session->sess_cert->cert_chain != NULL)\n\t\tsk_X509_pop_free(s->session->sess_cert->cert_chain, X509_free);\n\ts->session->sess_cert->cert_chain=sk;\n\tsk=NULL;\n\tret=1;\n\tif (0)\n\t\t{\nf_err:\n\t\tssl3_send_alert(s,SSL3_AL_FATAL,al);\n\t\t}\nerr:\n\tif (x != NULL) X509_free(x);\n\tif (sk != NULL) sk_X509_pop_free(sk,X509_free);\n\treturn(ret);\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 (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)\n\t\tdesc = SSL_AD_HANDSHAKE_FAILURE;\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\ts->method->ssl_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\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\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\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(ret);\n\t}'] |
21,482 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_sqr.c/#L124 | 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);
} | ['int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(n);\n if (r == NULL && (r = b->Ai) == NULL) {\n BNerr(BN_F_BN_BLINDING_INVERT_EX, BN_R_NOT_INITIALIZED);\n return 0;\n }\n if (b->m_ctx != NULL) {\n if (n->dmax >= r->top) {\n size_t i, rtop = r->top, ntop = n->top;\n BN_ULONG mask;\n for (i = 0; i < rtop; i++) {\n mask = (BN_ULONG)0 - ((i - ntop) >> (8 * sizeof(i) - 1));\n n->d[i] &= mask;\n }\n mask = (BN_ULONG)0 - ((rtop - ntop) >> (8 * sizeof(ntop) - 1));\n n->top = (int)(rtop & ~mask) | (ntop & mask);\n n->flags |= (BN_FLG_FIXED_TOP & ~mask);\n }\n ret = BN_mod_mul_montgomery(n, n, r, b->m_ctx, ctx);\n } else {\n ret = BN_mod_mul(n, n, r, b->mod, ctx);\n }\n bn_check_top(n);\n return ret;\n}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n int ret = bn_mul_mont_fixed_top(r, a, b, mont, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\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_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_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}'] |
21,483 | 0 | https://github.com/libav/libav/blob/39bec05ed42e505d17877b0c23f16322f9b5883b/libavcodec/h264_mvpred.h/#L566 | static void fill_decode_caches(H264Context *h, int mb_type)
{
int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];
int topleft_type, top_type, topright_type, left_type[LEFT_MBS];
const uint8_t *left_block = h->left_block;
int i;
uint8_t *nnz;
uint8_t *nnz_cache;
topleft_xy = h->topleft_mb_xy;
top_xy = h->top_mb_xy;
topright_xy = h->topright_mb_xy;
left_xy[LTOP] = h->left_mb_xy[LTOP];
left_xy[LBOT] = h->left_mb_xy[LBOT];
topleft_type = h->topleft_type;
top_type = h->top_type;
topright_type = h->topright_type;
left_type[LTOP] = h->left_type[LTOP];
left_type[LBOT] = h->left_type[LBOT];
if (!IS_SKIP(mb_type)) {
if (IS_INTRA(mb_type)) {
int type_mask = h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
h->topleft_samples_available =
h->top_samples_available =
h->left_samples_available = 0xFFFF;
h->topright_samples_available = 0xEEEA;
if (!(top_type & type_mask)) {
h->topleft_samples_available = 0xB3FF;
h->top_samples_available = 0x33FF;
h->topright_samples_available = 0x26EA;
}
if (IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])) {
if (IS_INTERLACED(mb_type)) {
if (!(left_type[LTOP] & type_mask)) {
h->topleft_samples_available &= 0xDFFF;
h->left_samples_available &= 0x5FFF;
}
if (!(left_type[LBOT] & type_mask)) {
h->topleft_samples_available &= 0xFF5F;
h->left_samples_available &= 0xFF5F;
}
} else {
int left_typei = h->cur_pic.f.mb_type[left_xy[LTOP] + h->mb_stride];
assert(left_xy[LTOP] == left_xy[LBOT]);
if (!((left_typei & type_mask) && (left_type[LTOP] & type_mask))) {
h->topleft_samples_available &= 0xDF5F;
h->left_samples_available &= 0x5F5F;
}
}
} else {
if (!(left_type[LTOP] & type_mask)) {
h->topleft_samples_available &= 0xDF5F;
h->left_samples_available &= 0x5F5F;
}
}
if (!(topleft_type & type_mask))
h->topleft_samples_available &= 0x7FFF;
if (!(topright_type & type_mask))
h->topright_samples_available &= 0xFBFF;
if (IS_INTRA4x4(mb_type)) {
if (IS_INTRA4x4(top_type)) {
AV_COPY32(h->intra4x4_pred_mode_cache + 4 + 8 * 0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
} else {
h->intra4x4_pred_mode_cache[4 + 8 * 0] =
h->intra4x4_pred_mode_cache[5 + 8 * 0] =
h->intra4x4_pred_mode_cache[6 + 8 * 0] =
h->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);
}
for (i = 0; i < 2; i++) {
if (IS_INTRA4x4(left_type[LEFT(i)])) {
int8_t *mode = h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];
h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];
h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];
} else {
h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =
h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);
}
}
}
}
nnz_cache = h->non_zero_count_cache;
if (top_type) {
nnz = h->non_zero_count[top_xy];
AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[4 * 3]);
if (!h->chroma_y_shift) {
AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 7]);
AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 11]);
} else {
AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 5]);
AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 9]);
}
} else {
uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
AV_WN32A(&nnz_cache[4 + 8 * 0], top_empty);
AV_WN32A(&nnz_cache[4 + 8 * 5], top_empty);
AV_WN32A(&nnz_cache[4 + 8 * 10], top_empty);
}
for (i = 0; i < 2; i++) {
if (left_type[LEFT(i)]) {
nnz = h->non_zero_count[left_xy[LEFT(i)]];
nnz_cache[3 + 8 * 1 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i]];
nnz_cache[3 + 8 * 2 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i]];
if (CHROMA444) {
nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 4 * 4];
nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 4 * 4];
nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 8 * 4];
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 8 * 4];
} else if (CHROMA422) {
nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 4 * 4];
nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 4 * 4];
nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 8 * 4];
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 8 * 4];
} else {
nnz_cache[3 + 8 * 6 + 8 * i] = nnz[left_block[8 + 4 + 2 * i]];
nnz_cache[3 + 8 * 11 + 8 * i] = nnz[left_block[8 + 5 + 2 * i]];
}
} else {
nnz_cache[3 + 8 * 1 + 2 * 8 * i] =
nnz_cache[3 + 8 * 2 + 2 * 8 * i] =
nnz_cache[3 + 8 * 6 + 2 * 8 * i] =
nnz_cache[3 + 8 * 7 + 2 * 8 * i] =
nnz_cache[3 + 8 * 11 + 2 * 8 * i] =
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC && !IS_INTRA(mb_type) ? 0 : 64;
}
}
if (CABAC) {
if (top_type)
h->top_cbp = h->cbp_table[top_xy];
else
h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
if (left_type[LTOP]) {
h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |
((h->cbp_table[left_xy[LTOP]] >> (left_block[0] & (~1))) & 2) |
(((h->cbp_table[left_xy[LBOT]] >> (left_block[2] & (~1))) & 2) << 2);
} else {
h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
}
}
}
if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)) {
int list;
int b_stride = h->b_stride;
for (list = 0; list < h->list_count; list++) {
int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
int8_t *ref = h->cur_pic.f.ref_index[list];
int16_t(*mv_cache)[2] = &h->mv_cache[list][scan8[0]];
int16_t(*mv)[2] = h->cur_pic.f.motion_val[list];
if (!USES_LIST(mb_type, list))
continue;
assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
AV_COPY128(mv_cache[0 - 1 * 8], mv[b_xy + 0]);
ref_cache[0 - 1 * 8] =
ref_cache[1 - 1 * 8] = ref[4 * top_xy + 2];
ref_cache[2 - 1 * 8] =
ref_cache[3 - 1 * 8] = ref[4 * top_xy + 3];
} else {
AV_ZERO128(mv_cache[0 - 1 * 8]);
AV_WN32A(&ref_cache[0 - 1 * 8],
((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE) & 0xFF) * 0x01010101u);
}
if (mb_type & (MB_TYPE_16x8 | MB_TYPE_8x8)) {
for (i = 0; i < 2; i++) {
int cache_idx = -1 + i * 2 * 8;
if (USES_LIST(left_type[LEFT(i)], list)) {
const int b_xy = h->mb2b_xy[left_xy[LEFT(i)]] + 3;
const int b8_xy = 4 * left_xy[LEFT(i)] + 1;
AV_COPY32(mv_cache[cache_idx],
mv[b_xy + b_stride * left_block[0 + i * 2]]);
AV_COPY32(mv_cache[cache_idx + 8],
mv[b_xy + b_stride * left_block[1 + i * 2]]);
ref_cache[cache_idx] = ref[b8_xy + (left_block[0 + i * 2] & ~1)];
ref_cache[cache_idx + 8] = ref[b8_xy + (left_block[1 + i * 2] & ~1)];
} else {
AV_ZERO32(mv_cache[cache_idx]);
AV_ZERO32(mv_cache[cache_idx + 8]);
ref_cache[cache_idx] =
ref_cache[cache_idx + 8] = (left_type[LEFT(i)]) ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
}
} else {
if (USES_LIST(left_type[LTOP], list)) {
const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
const int b8_xy = 4 * left_xy[LTOP] + 1;
AV_COPY32(mv_cache[-1], mv[b_xy + b_stride * left_block[0]]);
ref_cache[-1] = ref[b8_xy + (left_block[0] & ~1)];
} else {
AV_ZERO32(mv_cache[-1]);
ref_cache[-1] = left_type[LTOP] ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
}
if (USES_LIST(topright_type, list)) {
const int b_xy = h->mb2b_xy[topright_xy] + 3 * b_stride;
AV_COPY32(mv_cache[4 - 1 * 8], mv[b_xy]);
ref_cache[4 - 1 * 8] = ref[4 * topright_xy + 2];
} else {
AV_ZERO32(mv_cache[4 - 1 * 8]);
ref_cache[4 - 1 * 8] = topright_type ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
if (ref_cache[4 - 1 * 8] < 0) {
if (USES_LIST(topleft_type, list)) {
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride +
(h->topleft_partition & 2 * b_stride);
const int b8_xy = 4 * topleft_xy + 1 + (h->topleft_partition & 2);
AV_COPY32(mv_cache[-1 - 1 * 8], mv[b_xy]);
ref_cache[-1 - 1 * 8] = ref[b8_xy];
} else {
AV_ZERO32(mv_cache[-1 - 1 * 8]);
ref_cache[-1 - 1 * 8] = topleft_type ? LIST_NOT_USED
: PART_NOT_AVAILABLE;
}
}
if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
continue;
if (!(mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2))) {
uint8_t(*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];
uint8_t(*mvd)[2] = h->mvd_table[list];
ref_cache[2 + 8 * 0] =
ref_cache[2 + 8 * 2] = PART_NOT_AVAILABLE;
AV_ZERO32(mv_cache[2 + 8 * 0]);
AV_ZERO32(mv_cache[2 + 8 * 2]);
if (CABAC) {
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2br_xy[top_xy];
AV_COPY64(mvd_cache[0 - 1 * 8], mvd[b_xy + 0]);
} else {
AV_ZERO64(mvd_cache[0 - 1 * 8]);
}
if (USES_LIST(left_type[LTOP], list)) {
const int b_xy = h->mb2br_xy[left_xy[LTOP]] + 6;
AV_COPY16(mvd_cache[-1 + 0 * 8], mvd[b_xy - left_block[0]]);
AV_COPY16(mvd_cache[-1 + 1 * 8], mvd[b_xy - left_block[1]]);
} else {
AV_ZERO16(mvd_cache[-1 + 0 * 8]);
AV_ZERO16(mvd_cache[-1 + 1 * 8]);
}
if (USES_LIST(left_type[LBOT], list)) {
const int b_xy = h->mb2br_xy[left_xy[LBOT]] + 6;
AV_COPY16(mvd_cache[-1 + 2 * 8], mvd[b_xy - left_block[2]]);
AV_COPY16(mvd_cache[-1 + 3 * 8], mvd[b_xy - left_block[3]]);
} else {
AV_ZERO16(mvd_cache[-1 + 2 * 8]);
AV_ZERO16(mvd_cache[-1 + 3 * 8]);
}
AV_ZERO16(mvd_cache[2 + 8 * 0]);
AV_ZERO16(mvd_cache[2 + 8 * 2]);
if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
uint8_t *direct_cache = &h->direct_cache[scan8[0]];
uint8_t *direct_table = h->direct_table;
fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16 >> 1, 1);
if (IS_DIRECT(top_type)) {
AV_WN32A(&direct_cache[-1 * 8],
0x01010101u * (MB_TYPE_DIRECT2 >> 1));
} else if (IS_8X8(top_type)) {
int b8_xy = 4 * top_xy;
direct_cache[0 - 1 * 8] = direct_table[b8_xy + 2];
direct_cache[2 - 1 * 8] = direct_table[b8_xy + 3];
} else {
AV_WN32A(&direct_cache[-1 * 8],
0x01010101 * (MB_TYPE_16x16 >> 1));
}
if (IS_DIRECT(left_type[LTOP]))
direct_cache[-1 + 0 * 8] = MB_TYPE_DIRECT2 >> 1;
else if (IS_8X8(left_type[LTOP]))
direct_cache[-1 + 0 * 8] = direct_table[4 * left_xy[LTOP] + 1 + (left_block[0] & ~1)];
else
direct_cache[-1 + 0 * 8] = MB_TYPE_16x16 >> 1;
if (IS_DIRECT(left_type[LBOT]))
direct_cache[-1 + 2 * 8] = MB_TYPE_DIRECT2 >> 1;
else if (IS_8X8(left_type[LBOT]))
direct_cache[-1 + 2 * 8] = direct_table[4 * left_xy[LBOT] + 1 + (left_block[2] & ~1)];
else
direct_cache[-1 + 2 * 8] = MB_TYPE_16x16 >> 1;
}
}
}
#define MAP_MVS \
MAP_F2F(scan8[0] - 1 - 1 * 8, topleft_type) \
MAP_F2F(scan8[0] + 0 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 1 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 2 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 3 - 1 * 8, top_type) \
MAP_F2F(scan8[0] + 4 - 1 * 8, topright_type) \
MAP_F2F(scan8[0] - 1 + 0 * 8, left_type[LTOP]) \
MAP_F2F(scan8[0] - 1 + 1 * 8, left_type[LTOP]) \
MAP_F2F(scan8[0] - 1 + 2 * 8, left_type[LBOT]) \
MAP_F2F(scan8[0] - 1 + 3 * 8, left_type[LBOT])
if (FRAME_MBAFF) {
if (MB_FIELD) {
#define MAP_F2F(idx, mb_type) \
if (!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \
h->ref_cache[list][idx] <<= 1; \
h->mv_cache[list][idx][1] /= 2; \
h->mvd_cache[list][idx][1] >>= 1; \
}
MAP_MVS
} else {
#undef MAP_F2F
#define MAP_F2F(idx, mb_type) \
if (IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \
h->ref_cache[list][idx] >>= 1; \
h->mv_cache[list][idx][1] <<= 1; \
h->mvd_cache[list][idx][1] <<= 1; \
}
MAP_MVS
#undef MAP_F2F
}
}
}
}
h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
} | ['int ff_h264_decode_mb_cabac(H264Context *h) {\n int mb_xy;\n int mb_type, partition_count, cbp = 0;\n int dct8x8_allowed= h->pps.transform_8x8_mode;\n int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;\n const int pixel_shift = h->pixel_shift;\n mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;\n tprintf(h->avctx, "pic:%d mb:%d/%d\\n", h->frame_num, h->mb_x, h->mb_y);\n if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {\n int skip;\n if( FRAME_MBAFF && (h->mb_y&1)==1 && h->prev_mb_skipped )\n skip = h->next_mb_skipped;\n else\n skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );\n if( skip ) {\n if( FRAME_MBAFF && (h->mb_y&1)==0 ){\n h->cur_pic.f.mb_type[mb_xy] = MB_TYPE_SKIP;\n h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );\n if(!h->next_mb_skipped)\n h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n decode_mb_skip(h);\n h->cbp_table[mb_xy] = 0;\n h->chroma_pred_mode_table[mb_xy] = 0;\n h->last_qscale_diff = 0;\n return 0;\n }\n }\n if(FRAME_MBAFF){\n if( (h->mb_y&1) == 0 )\n h->mb_mbaff =\n h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n h->prev_mb_skipped = 0;\n fill_decode_neighbors(h, -(MB_FIELD));\n if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {\n int ctx = 0;\n assert(h->slice_type_nos == AV_PICTURE_TYPE_B);\n if( !IS_DIRECT( h->left_type[LTOP]-1 ) )\n ctx++;\n if( !IS_DIRECT( h->top_type-1 ) )\n ctx++;\n if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){\n mb_type= 0;\n }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {\n mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );\n }else{\n int bits;\n bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;\n bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;\n bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;\n bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );\n if( bits < 8 ){\n mb_type= bits + 3;\n }else if( bits == 13 ){\n mb_type= decode_cabac_intra_mb_type(h, 32, 0);\n goto decode_intra_mb;\n }else if( bits == 14 ){\n mb_type= 11;\n }else if( bits == 15 ){\n mb_type= 22;\n }else{\n bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );\n mb_type= bits - 4;\n }\n }\n partition_count= b_mb_type_info[mb_type].partition_count;\n mb_type= b_mb_type_info[mb_type].type;\n } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {\n mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );\n } else {\n mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );\n }\n partition_count= p_mb_type_info[mb_type].partition_count;\n mb_type= p_mb_type_info[mb_type].type;\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 17, 0);\n goto decode_intra_mb;\n }\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 3, 1);\n if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)\n mb_type--;\n assert(h->slice_type_nos == AV_PICTURE_TYPE_I);\ndecode_intra_mb:\n partition_count = 0;\n cbp= i_mb_type_info[mb_type].cbp;\n h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;\n mb_type= i_mb_type_info[mb_type].type;\n }\n if(MB_FIELD)\n mb_type |= MB_TYPE_INTERLACED;\n h->slice_table[ mb_xy ]= h->slice_num;\n if(IS_INTRA_PCM(mb_type)) {\n const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *\n h->sps.bit_depth_luma >> 3;\n const uint8_t *ptr;\n ptr= h->cabac.bytestream;\n if(h->cabac.low&0x1) ptr--;\n if(CABAC_BITS==16){\n if(h->cabac.low&0x1FF) ptr--;\n }\n if ((int) (h->cabac.bytestream_end - ptr) < mb_size)\n return -1;\n memcpy(h->mb, ptr, mb_size); ptr+=mb_size;\n ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);\n h->cbp_table[mb_xy] = 0xf7ef;\n h->chroma_pred_mode_table[mb_xy] = 0;\n h->cur_pic.f.qscale_table[mb_xy] = 0;\n memset(h->non_zero_count[mb_xy], 16, 48);\n h->cur_pic.f.mb_type[mb_xy] = mb_type;\n h->last_qscale_diff = 0;\n return 0;\n }\n fill_decode_caches(h, mb_type);\n if( IS_INTRA( mb_type ) ) {\n int i, pred_mode;\n if( IS_INTRA4x4( mb_type ) ) {\n if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {\n mb_type |= MB_TYPE_8x8DCT;\n for( i = 0; i < 16; i+=4 ) {\n int pred = pred_intra_mode( h, i );\n int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );\n }\n } else {\n for( i = 0; i < 16; i++ ) {\n int pred = pred_intra_mode( h, i );\n h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n av_dlog(h->avctx, "i4x4 pred=%d mode=%d\\n", pred,\n h->intra4x4_pred_mode_cache[scan8[i]]);\n }\n }\n write_back_intra_pred_mode(h);\n if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;\n } else {\n h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );\n if( h->intra16x16_pred_mode < 0 ) return -1;\n }\n if(decode_chroma){\n h->chroma_pred_mode_table[mb_xy] =\n pred_mode = decode_cabac_mb_chroma_pre_mode( h );\n pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );\n if( pred_mode < 0 ) return -1;\n h->chroma_pred_mode= pred_mode;\n } else {\n h->chroma_pred_mode= DC_128_PRED8x8;\n }\n } else if( partition_count == 4 ) {\n int i, j, sub_partition_count[4], list, ref[2][4];\n if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );\n sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |\n h->sub_mb_type[2] | h->sub_mb_type[3]) ) {\n ff_h264_pred_direct_motion(h, &mb_type);\n h->ref_cache[0][scan8[4]] =\n h->ref_cache[1][scan8[4]] =\n h->ref_cache[0][scan8[12]] =\n h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;\n for( i = 0; i < 4; i++ )\n fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );\n }\n } else {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );\n sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n }\n for( list = 0; list < h->list_count; list++ ) {\n for( i = 0; i < 4; i++ ) {\n if(IS_DIRECT(h->sub_mb_type[i])) continue;\n if(IS_DIR(h->sub_mb_type[i], 0, list)){\n int rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );\n if (ref[list][i] >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref[list][i], rc);\n return -1;\n }\n }else\n ref[list][i] = 0;\n } else {\n ref[list][i] = -1;\n }\n h->ref_cache[list][ scan8[4*i]+1 ]=\n h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];\n }\n }\n if(dct8x8_allowed)\n dct8x8_allowed = get_dct8x8_allowed(h);\n for(list=0; list<h->list_count; list++){\n for(i=0; i<4; i++){\n h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];\n if(IS_DIRECT(h->sub_mb_type[i])){\n fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);\n continue;\n }\n if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){\n const int sub_mb_type= h->sub_mb_type[i];\n const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;\n for(j=0; j<sub_partition_count[i]; j++){\n int mpx, mpy;\n int mx, my;\n const int index= 4*i + block_width*j;\n int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];\n uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];\n pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, index)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n if(IS_SUB_8X8(sub_mb_type)){\n mv_cache[ 1 ][0]=\n mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;\n mv_cache[ 1 ][1]=\n mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;\n mvd_cache[ 1 ][0]=\n mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;\n mvd_cache[ 1 ][1]=\n mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;\n }else if(IS_SUB_8X4(sub_mb_type)){\n mv_cache[ 1 ][0]= mx;\n mv_cache[ 1 ][1]= my;\n mvd_cache[ 1 ][0]= mpx;\n mvd_cache[ 1 ][1]= mpy;\n }else if(IS_SUB_4X8(sub_mb_type)){\n mv_cache[ 8 ][0]= mx;\n mv_cache[ 8 ][1]= my;\n mvd_cache[ 8 ][0]= mpx;\n mvd_cache[ 8 ][1]= mpy;\n }\n mv_cache[ 0 ][0]= mx;\n mv_cache[ 0 ][1]= my;\n mvd_cache[ 0 ][0]= mpx;\n mvd_cache[ 0 ][1]= mpy;\n }\n }else{\n fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);\n fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);\n }\n }\n }\n } else if( IS_DIRECT(mb_type) ) {\n ff_h264_pred_direct_motion(h, &mb_type);\n fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);\n fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);\n dct8x8_allowed &= h->sps.direct_8x8_inference_flag;\n } else {\n int list, i;\n if(IS_16X16(mb_type)){\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n int ref, rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref= decode_cabac_mb_ref(h, list, 0);\n if (ref >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, rc);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n int mx,my,mpx,mpy;\n pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, 0)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);\n }\n }\n }\n else if(IS_16X8(mb_type)){\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref, rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref= decode_cabac_mb_ref( h, list, 8*i );\n if (ref >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, rc);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int mx,my,mpx,mpy;\n pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, 8*i)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);\n }\n }\n }\n }else{\n assert(IS_8X16(mb_type));\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref, rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref= decode_cabac_mb_ref( h, list, 4*i );\n if (ref >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, rc);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int mx,my,mpx,mpy;\n pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, 4*i)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);\n }\n }\n }\n }\n }\n if( IS_INTER( mb_type ) ) {\n h->chroma_pred_mode_table[mb_xy] = 0;\n write_back_motion( h, mb_type );\n }\n if( !IS_INTRA16x16( mb_type ) ) {\n cbp = decode_cabac_mb_cbp_luma( h );\n if(decode_chroma)\n cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;\n }\n h->cbp_table[mb_xy] = h->cbp = cbp;\n if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {\n mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );\n }\n if (CHROMA444 && IS_8x8DCT(mb_type)){\n int i;\n uint8_t *nnz_cache = h->non_zero_count_cache;\n for (i = 0; i < 2; i++){\n if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){\n nnz_cache[3+8* 1 + 2*8*i]=\n nnz_cache[3+8* 2 + 2*8*i]=\n nnz_cache[3+8* 6 + 2*8*i]=\n nnz_cache[3+8* 7 + 2*8*i]=\n nnz_cache[3+8*11 + 2*8*i]=\n nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;\n }\n }\n if (h->top_type && !IS_8x8DCT(h->top_type)){\n uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;\n AV_WN32A(&nnz_cache[4+8* 0], top_empty);\n AV_WN32A(&nnz_cache[4+8* 5], top_empty);\n AV_WN32A(&nnz_cache[4+8*10], top_empty);\n }\n }\n h->cur_pic.f.mb_type[mb_xy] = mb_type;\n if( cbp || IS_INTRA16x16( mb_type ) ) {\n const uint8_t *scan, *scan8x8;\n const uint32_t *qmul;\n if(IS_INTERLACED(mb_type)){\n scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;\n scan= h->qscale ? h->field_scan : h->field_scan_q0;\n }else{\n scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;\n scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;\n }\n if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){\n int val = 1;\n int ctx= 2;\n const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);\n while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {\n ctx= 3;\n val++;\n if(val > 2*max_qp){\n av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\\n", h->mb_x, h->mb_y);\n return -1;\n }\n }\n if( val&0x01 )\n val= (val + 1)>>1 ;\n else\n val= -((val + 1)>>1);\n h->last_qscale_diff = val;\n h->qscale += val;\n if(((unsigned)h->qscale) > max_qp){\n if(h->qscale<0) h->qscale+= max_qp+1;\n else h->qscale-= max_qp+1;\n }\n h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);\n h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);\n }else\n h->last_qscale_diff=0;\n decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);\n if(CHROMA444){\n decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);\n decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);\n } else if (CHROMA422) {\n if( cbp&0x30 ){\n int c;\n for (c = 0; c < 2; c++)\n decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,\n CHROMA_DC_BLOCK_INDEX + c,\n chroma422_dc_scan, 8);\n }\n if( cbp&0x20 ) {\n int c, i, i8x8;\n for( c = 0; c < 2; c++ ) {\n int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);\n qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];\n for (i8x8 = 0; i8x8 < 2; i8x8++) {\n for (i = 0; i < 4; i++) {\n const int index = 16 + 16 * c + 8*i8x8 + i;\n decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);\n mb += 16<<pixel_shift;\n }\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);\n }\n } else {\n if( cbp&0x30 ){\n int c;\n for (c = 0; c < 2; c++)\n decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);\n }\n if( cbp&0x20 ) {\n int c, i;\n for( c = 0; c < 2; c++ ) {\n qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];\n for( i = 0; i < 4; i++ ) {\n const int index = 16 + 16 * c + i;\n decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);\n h->last_qscale_diff = 0;\n }\n h->cur_pic.f.qscale_table[mb_xy] = h->qscale;\n write_back_non_zero_count(h);\n return 0;\n}', 'static void fill_decode_neighbors(H264Context *h, int mb_type)\n{\n const int mb_xy = h->mb_xy;\n int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];\n static const uint8_t left_block_options[4][32] = {\n { 0, 1, 2, 3, 7, 10, 8, 11, 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4, 1 + 4 * 4, 1 + 8 * 4, 1 + 5 * 4, 1 + 9 * 4 },\n { 2, 2, 3, 3, 8, 11, 8, 11, 3 + 2 * 4, 3 + 2 * 4, 3 + 3 * 4, 3 + 3 * 4, 1 + 5 * 4, 1 + 9 * 4, 1 + 5 * 4, 1 + 9 * 4 },\n { 0, 0, 1, 1, 7, 10, 7, 10, 3 + 0 * 4, 3 + 0 * 4, 3 + 1 * 4, 3 + 1 * 4, 1 + 4 * 4, 1 + 8 * 4, 1 + 4 * 4, 1 + 8 * 4 },\n { 0, 2, 0, 2, 7, 10, 7, 10, 3 + 0 * 4, 3 + 2 * 4, 3 + 0 * 4, 3 + 2 * 4, 1 + 4 * 4, 1 + 8 * 4, 1 + 4 * 4, 1 + 8 * 4 }\n };\n h->topleft_partition = -1;\n top_xy = mb_xy - (h->mb_stride << MB_FIELD);\n topleft_xy = top_xy - 1;\n topright_xy = top_xy + 1;\n left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1;\n h->left_block = left_block_options[0];\n if (FRAME_MBAFF) {\n const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.f.mb_type[mb_xy - 1]);\n const int curr_mb_field_flag = IS_INTERLACED(mb_type);\n if (h->mb_y & 1) {\n if (left_mb_field_flag != curr_mb_field_flag) {\n left_xy[LBOT] = left_xy[LTOP] = mb_xy - h->mb_stride - 1;\n if (curr_mb_field_flag) {\n left_xy[LBOT] += h->mb_stride;\n h->left_block = left_block_options[3];\n } else {\n topleft_xy += h->mb_stride;\n h->topleft_partition = 0;\n h->left_block = left_block_options[1];\n }\n }\n } else {\n if (curr_mb_field_flag) {\n topleft_xy += h->mb_stride & (((h->cur_pic.f.mb_type[top_xy - 1] >> 7) & 1) - 1);\n topright_xy += h->mb_stride & (((h->cur_pic.f.mb_type[top_xy + 1] >> 7) & 1) - 1);\n top_xy += h->mb_stride & (((h->cur_pic.f.mb_type[top_xy] >> 7) & 1) - 1);\n }\n if (left_mb_field_flag != curr_mb_field_flag) {\n if (curr_mb_field_flag) {\n left_xy[LBOT] += h->mb_stride;\n h->left_block = left_block_options[3];\n } else {\n h->left_block = left_block_options[2];\n }\n }\n }\n }\n h->topleft_mb_xy = topleft_xy;\n h->top_mb_xy = top_xy;\n h->topright_mb_xy = topright_xy;\n h->left_mb_xy[LTOP] = left_xy[LTOP];\n h->left_mb_xy[LBOT] = left_xy[LBOT];\n h->topleft_type = h->cur_pic.f.mb_type[topleft_xy];\n h->top_type = h->cur_pic.f.mb_type[top_xy];\n h->topright_type = h->cur_pic.f.mb_type[topright_xy];\n h->left_type[LTOP] = h->cur_pic.f.mb_type[left_xy[LTOP]];\n h->left_type[LBOT] = h->cur_pic.f.mb_type[left_xy[LBOT]];\n if (FMO) {\n if (h->slice_table[topleft_xy] != h->slice_num)\n h->topleft_type = 0;\n if (h->slice_table[top_xy] != h->slice_num)\n h->top_type = 0;\n if (h->slice_table[left_xy[LTOP]] != h->slice_num)\n h->left_type[LTOP] = h->left_type[LBOT] = 0;\n } else {\n if (h->slice_table[topleft_xy] != h->slice_num) {\n h->topleft_type = 0;\n if (h->slice_table[top_xy] != h->slice_num)\n h->top_type = 0;\n if (h->slice_table[left_xy[LTOP]] != h->slice_num)\n h->left_type[LTOP] = h->left_type[LBOT] = 0;\n }\n }\n if (h->slice_table[topright_xy] != h->slice_num)\n h->topright_type = 0;\n}', 'static void fill_decode_caches(H264Context *h, int mb_type)\n{\n int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];\n int topleft_type, top_type, topright_type, left_type[LEFT_MBS];\n const uint8_t *left_block = h->left_block;\n int i;\n uint8_t *nnz;\n uint8_t *nnz_cache;\n topleft_xy = h->topleft_mb_xy;\n top_xy = h->top_mb_xy;\n topright_xy = h->topright_mb_xy;\n left_xy[LTOP] = h->left_mb_xy[LTOP];\n left_xy[LBOT] = h->left_mb_xy[LBOT];\n topleft_type = h->topleft_type;\n top_type = h->top_type;\n topright_type = h->topright_type;\n left_type[LTOP] = h->left_type[LTOP];\n left_type[LBOT] = h->left_type[LBOT];\n if (!IS_SKIP(mb_type)) {\n if (IS_INTRA(mb_type)) {\n int type_mask = h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;\n h->topleft_samples_available =\n h->top_samples_available =\n h->left_samples_available = 0xFFFF;\n h->topright_samples_available = 0xEEEA;\n if (!(top_type & type_mask)) {\n h->topleft_samples_available = 0xB3FF;\n h->top_samples_available = 0x33FF;\n h->topright_samples_available = 0x26EA;\n }\n if (IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])) {\n if (IS_INTERLACED(mb_type)) {\n if (!(left_type[LTOP] & type_mask)) {\n h->topleft_samples_available &= 0xDFFF;\n h->left_samples_available &= 0x5FFF;\n }\n if (!(left_type[LBOT] & type_mask)) {\n h->topleft_samples_available &= 0xFF5F;\n h->left_samples_available &= 0xFF5F;\n }\n } else {\n int left_typei = h->cur_pic.f.mb_type[left_xy[LTOP] + h->mb_stride];\n assert(left_xy[LTOP] == left_xy[LBOT]);\n if (!((left_typei & type_mask) && (left_type[LTOP] & type_mask))) {\n h->topleft_samples_available &= 0xDF5F;\n h->left_samples_available &= 0x5F5F;\n }\n }\n } else {\n if (!(left_type[LTOP] & type_mask)) {\n h->topleft_samples_available &= 0xDF5F;\n h->left_samples_available &= 0x5F5F;\n }\n }\n if (!(topleft_type & type_mask))\n h->topleft_samples_available &= 0x7FFF;\n if (!(topright_type & type_mask))\n h->topright_samples_available &= 0xFBFF;\n if (IS_INTRA4x4(mb_type)) {\n if (IS_INTRA4x4(top_type)) {\n AV_COPY32(h->intra4x4_pred_mode_cache + 4 + 8 * 0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);\n } else {\n h->intra4x4_pred_mode_cache[4 + 8 * 0] =\n h->intra4x4_pred_mode_cache[5 + 8 * 0] =\n h->intra4x4_pred_mode_cache[6 + 8 * 0] =\n h->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);\n }\n for (i = 0; i < 2; i++) {\n if (IS_INTRA4x4(left_type[LEFT(i)])) {\n int8_t *mode = h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];\n h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];\n h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];\n } else {\n h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =\n h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);\n }\n }\n }\n }\n nnz_cache = h->non_zero_count_cache;\n if (top_type) {\n nnz = h->non_zero_count[top_xy];\n AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[4 * 3]);\n if (!h->chroma_y_shift) {\n AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 7]);\n AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 11]);\n } else {\n AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 5]);\n AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 9]);\n }\n } else {\n uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;\n AV_WN32A(&nnz_cache[4 + 8 * 0], top_empty);\n AV_WN32A(&nnz_cache[4 + 8 * 5], top_empty);\n AV_WN32A(&nnz_cache[4 + 8 * 10], top_empty);\n }\n for (i = 0; i < 2; i++) {\n if (left_type[LEFT(i)]) {\n nnz = h->non_zero_count[left_xy[LEFT(i)]];\n nnz_cache[3 + 8 * 1 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i]];\n nnz_cache[3 + 8 * 2 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i]];\n if (CHROMA444) {\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 4 * 4];\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 4 * 4];\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 8 * 4];\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 8 * 4];\n } else if (CHROMA422) {\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 4 * 4];\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 4 * 4];\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 8 * 4];\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 8 * 4];\n } else {\n nnz_cache[3 + 8 * 6 + 8 * i] = nnz[left_block[8 + 4 + 2 * i]];\n nnz_cache[3 + 8 * 11 + 8 * i] = nnz[left_block[8 + 5 + 2 * i]];\n }\n } else {\n nnz_cache[3 + 8 * 1 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 2 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC && !IS_INTRA(mb_type) ? 0 : 64;\n }\n }\n if (CABAC) {\n if (top_type)\n h->top_cbp = h->cbp_table[top_xy];\n else\n h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;\n if (left_type[LTOP]) {\n h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |\n ((h->cbp_table[left_xy[LTOP]] >> (left_block[0] & (~1))) & 2) |\n (((h->cbp_table[left_xy[LBOT]] >> (left_block[2] & (~1))) & 2) << 2);\n } else {\n h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;\n }\n }\n }\n if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)) {\n int list;\n int b_stride = h->b_stride;\n for (list = 0; list < h->list_count; list++) {\n int8_t *ref_cache = &h->ref_cache[list][scan8[0]];\n int8_t *ref = h->cur_pic.f.ref_index[list];\n int16_t(*mv_cache)[2] = &h->mv_cache[list][scan8[0]];\n int16_t(*mv)[2] = h->cur_pic.f.motion_val[list];\n if (!USES_LIST(mb_type, list))\n continue;\n assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));\n if (USES_LIST(top_type, list)) {\n const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;\n AV_COPY128(mv_cache[0 - 1 * 8], mv[b_xy + 0]);\n ref_cache[0 - 1 * 8] =\n ref_cache[1 - 1 * 8] = ref[4 * top_xy + 2];\n ref_cache[2 - 1 * 8] =\n ref_cache[3 - 1 * 8] = ref[4 * top_xy + 3];\n } else {\n AV_ZERO128(mv_cache[0 - 1 * 8]);\n AV_WN32A(&ref_cache[0 - 1 * 8],\n ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE) & 0xFF) * 0x01010101u);\n }\n if (mb_type & (MB_TYPE_16x8 | MB_TYPE_8x8)) {\n for (i = 0; i < 2; i++) {\n int cache_idx = -1 + i * 2 * 8;\n if (USES_LIST(left_type[LEFT(i)], list)) {\n const int b_xy = h->mb2b_xy[left_xy[LEFT(i)]] + 3;\n const int b8_xy = 4 * left_xy[LEFT(i)] + 1;\n AV_COPY32(mv_cache[cache_idx],\n mv[b_xy + b_stride * left_block[0 + i * 2]]);\n AV_COPY32(mv_cache[cache_idx + 8],\n mv[b_xy + b_stride * left_block[1 + i * 2]]);\n ref_cache[cache_idx] = ref[b8_xy + (left_block[0 + i * 2] & ~1)];\n ref_cache[cache_idx + 8] = ref[b8_xy + (left_block[1 + i * 2] & ~1)];\n } else {\n AV_ZERO32(mv_cache[cache_idx]);\n AV_ZERO32(mv_cache[cache_idx + 8]);\n ref_cache[cache_idx] =\n ref_cache[cache_idx + 8] = (left_type[LEFT(i)]) ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n } else {\n if (USES_LIST(left_type[LTOP], list)) {\n const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;\n const int b8_xy = 4 * left_xy[LTOP] + 1;\n AV_COPY32(mv_cache[-1], mv[b_xy + b_stride * left_block[0]]);\n ref_cache[-1] = ref[b8_xy + (left_block[0] & ~1)];\n } else {\n AV_ZERO32(mv_cache[-1]);\n ref_cache[-1] = left_type[LTOP] ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n if (USES_LIST(topright_type, list)) {\n const int b_xy = h->mb2b_xy[topright_xy] + 3 * b_stride;\n AV_COPY32(mv_cache[4 - 1 * 8], mv[b_xy]);\n ref_cache[4 - 1 * 8] = ref[4 * topright_xy + 2];\n } else {\n AV_ZERO32(mv_cache[4 - 1 * 8]);\n ref_cache[4 - 1 * 8] = topright_type ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n if (ref_cache[4 - 1 * 8] < 0) {\n if (USES_LIST(topleft_type, list)) {\n const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride +\n (h->topleft_partition & 2 * b_stride);\n const int b8_xy = 4 * topleft_xy + 1 + (h->topleft_partition & 2);\n AV_COPY32(mv_cache[-1 - 1 * 8], mv[b_xy]);\n ref_cache[-1 - 1 * 8] = ref[b8_xy];\n } else {\n AV_ZERO32(mv_cache[-1 - 1 * 8]);\n ref_cache[-1 - 1 * 8] = topleft_type ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF)\n continue;\n if (!(mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2))) {\n uint8_t(*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];\n uint8_t(*mvd)[2] = h->mvd_table[list];\n ref_cache[2 + 8 * 0] =\n ref_cache[2 + 8 * 2] = PART_NOT_AVAILABLE;\n AV_ZERO32(mv_cache[2 + 8 * 0]);\n AV_ZERO32(mv_cache[2 + 8 * 2]);\n if (CABAC) {\n if (USES_LIST(top_type, list)) {\n const int b_xy = h->mb2br_xy[top_xy];\n AV_COPY64(mvd_cache[0 - 1 * 8], mvd[b_xy + 0]);\n } else {\n AV_ZERO64(mvd_cache[0 - 1 * 8]);\n }\n if (USES_LIST(left_type[LTOP], list)) {\n const int b_xy = h->mb2br_xy[left_xy[LTOP]] + 6;\n AV_COPY16(mvd_cache[-1 + 0 * 8], mvd[b_xy - left_block[0]]);\n AV_COPY16(mvd_cache[-1 + 1 * 8], mvd[b_xy - left_block[1]]);\n } else {\n AV_ZERO16(mvd_cache[-1 + 0 * 8]);\n AV_ZERO16(mvd_cache[-1 + 1 * 8]);\n }\n if (USES_LIST(left_type[LBOT], list)) {\n const int b_xy = h->mb2br_xy[left_xy[LBOT]] + 6;\n AV_COPY16(mvd_cache[-1 + 2 * 8], mvd[b_xy - left_block[2]]);\n AV_COPY16(mvd_cache[-1 + 3 * 8], mvd[b_xy - left_block[3]]);\n } else {\n AV_ZERO16(mvd_cache[-1 + 2 * 8]);\n AV_ZERO16(mvd_cache[-1 + 3 * 8]);\n }\n AV_ZERO16(mvd_cache[2 + 8 * 0]);\n AV_ZERO16(mvd_cache[2 + 8 * 2]);\n if (h->slice_type_nos == AV_PICTURE_TYPE_B) {\n uint8_t *direct_cache = &h->direct_cache[scan8[0]];\n uint8_t *direct_table = h->direct_table;\n fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16 >> 1, 1);\n if (IS_DIRECT(top_type)) {\n AV_WN32A(&direct_cache[-1 * 8],\n 0x01010101u * (MB_TYPE_DIRECT2 >> 1));\n } else if (IS_8X8(top_type)) {\n int b8_xy = 4 * top_xy;\n direct_cache[0 - 1 * 8] = direct_table[b8_xy + 2];\n direct_cache[2 - 1 * 8] = direct_table[b8_xy + 3];\n } else {\n AV_WN32A(&direct_cache[-1 * 8],\n 0x01010101 * (MB_TYPE_16x16 >> 1));\n }\n if (IS_DIRECT(left_type[LTOP]))\n direct_cache[-1 + 0 * 8] = MB_TYPE_DIRECT2 >> 1;\n else if (IS_8X8(left_type[LTOP]))\n direct_cache[-1 + 0 * 8] = direct_table[4 * left_xy[LTOP] + 1 + (left_block[0] & ~1)];\n else\n direct_cache[-1 + 0 * 8] = MB_TYPE_16x16 >> 1;\n if (IS_DIRECT(left_type[LBOT]))\n direct_cache[-1 + 2 * 8] = MB_TYPE_DIRECT2 >> 1;\n else if (IS_8X8(left_type[LBOT]))\n direct_cache[-1 + 2 * 8] = direct_table[4 * left_xy[LBOT] + 1 + (left_block[2] & ~1)];\n else\n direct_cache[-1 + 2 * 8] = MB_TYPE_16x16 >> 1;\n }\n }\n }\n#define MAP_MVS \\\n MAP_F2F(scan8[0] - 1 - 1 * 8, topleft_type) \\\n MAP_F2F(scan8[0] + 0 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 1 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 2 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 3 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 4 - 1 * 8, topright_type) \\\n MAP_F2F(scan8[0] - 1 + 0 * 8, left_type[LTOP]) \\\n MAP_F2F(scan8[0] - 1 + 1 * 8, left_type[LTOP]) \\\n MAP_F2F(scan8[0] - 1 + 2 * 8, left_type[LBOT]) \\\n MAP_F2F(scan8[0] - 1 + 3 * 8, left_type[LBOT])\n if (FRAME_MBAFF) {\n if (MB_FIELD) {\n#define MAP_F2F(idx, mb_type) \\\n if (!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \\\n h->ref_cache[list][idx] <<= 1; \\\n h->mv_cache[list][idx][1] /= 2; \\\n h->mvd_cache[list][idx][1] >>= 1; \\\n }\n MAP_MVS\n } else {\n#undef MAP_F2F\n#define MAP_F2F(idx, mb_type) \\\n if (IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \\\n h->ref_cache[list][idx] >>= 1; \\\n h->mv_cache[list][idx][1] <<= 1; \\\n h->mvd_cache[list][idx][1] <<= 1; \\\n }\n MAP_MVS\n#undef MAP_F2F\n }\n }\n }\n }\n h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);\n}'] |
21,484 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/error_resilience.c/#L396 | static void guess_mv(MpegEncContext *s){
uint8_t fixed[s->mb_stride * s->mb_height];
#define MV_FROZEN 3
#define MV_CHANGED 2
#define MV_UNCHANGED 1
const int mb_stride = s->mb_stride;
const int mb_width = s->mb_width;
const int mb_height= s->mb_height;
int i, depth, num_avail;
int mb_x, mb_y;
num_avail=0;
for(i=0; i<s->mb_num; i++){
const int mb_xy= s->mb_index2xy[ i ];
int f=0;
int error= s->error_status_table[mb_xy];
if(IS_INTRA(s->current_picture.mb_type[mb_xy])) f=MV_FROZEN;
if(!(error&MV_ERROR)) f=MV_FROZEN;
fixed[mb_xy]= f;
if(f==MV_FROZEN)
num_avail++;
}
if((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || num_avail <= mb_width/2){
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_xy= mb_x + mb_y*s->mb_stride;
if(IS_INTRA(s->current_picture.mb_type[mb_xy])) continue;
if(!(s->error_status_table[mb_xy]&MV_ERROR)) continue;
s->mv_dir = MV_DIR_FORWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
s->mb_skipped=0;
s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
s->mv[0][0][0]= 0;
s->mv[0][0][1]= 0;
decode_mb(s);
}
}
return;
}
for(depth=0;; depth++){
int changed, pass, none_left;
none_left=1;
changed=1;
for(pass=0; (changed || pass<2) && pass<10; pass++){
int mb_x, mb_y;
int score_sum=0;
changed=0;
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_xy= mb_x + mb_y*s->mb_stride;
int mv_predictor[8][2]={{0}};
int pred_count=0;
int j;
int best_score=256*256*256*64;
int best_pred=0;
const int mot_stride= s->b8_stride;
const int mot_index= mb_x*2 + mb_y*2*mot_stride;
int prev_x= s->current_picture.motion_val[0][mot_index][0];
int prev_y= s->current_picture.motion_val[0][mot_index][1];
if((mb_x^mb_y^pass)&1) continue;
if(fixed[mb_xy]==MV_FROZEN) continue;
assert(!IS_INTRA(s->current_picture.mb_type[mb_xy]));
assert(s->last_picture_ptr && s->last_picture_ptr->data[0]);
j=0;
if(mb_x>0 && fixed[mb_xy-1 ]==MV_FROZEN) j=1;
if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_FROZEN) j=1;
if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_FROZEN) j=1;
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_FROZEN) j=1;
if(j==0) continue;
j=0;
if(mb_x>0 && fixed[mb_xy-1 ]==MV_CHANGED) j=1;
if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_CHANGED) j=1;
if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_CHANGED) j=1;
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_CHANGED) j=1;
if(j==0 && pass>1) continue;
none_left=0;
if(mb_x>0 && fixed[mb_xy-1]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - 2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - 2][1];
pred_count++;
}
if(mb_x+1<mb_width && fixed[mb_xy+1]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + 2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + 2][1];
pred_count++;
}
if(mb_y>0 && fixed[mb_xy-mb_stride]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - mot_stride*2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - mot_stride*2][1];
pred_count++;
}
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + mot_stride*2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + mot_stride*2][1];
pred_count++;
}
if(pred_count==0) continue;
if(pred_count>1){
int sum_x=0, sum_y=0;
int max_x, max_y, min_x, min_y;
for(j=0; j<pred_count; j++){
sum_x+= mv_predictor[j][0];
sum_y+= mv_predictor[j][1];
}
mv_predictor[pred_count][0] = sum_x/j;
mv_predictor[pred_count][1] = sum_y/j;
if(pred_count>=3){
min_y= min_x= 99999;
max_y= max_x=-99999;
}else{
min_x=min_y=max_x=max_y=0;
}
for(j=0; j<pred_count; j++){
max_x= FFMAX(max_x, mv_predictor[j][0]);
max_y= FFMAX(max_y, mv_predictor[j][1]);
min_x= FFMIN(min_x, mv_predictor[j][0]);
min_y= FFMIN(min_y, mv_predictor[j][1]);
}
mv_predictor[pred_count+1][0] = sum_x - max_x - min_x;
mv_predictor[pred_count+1][1] = sum_y - max_y - min_y;
if(pred_count==4){
mv_predictor[pred_count+1][0] /= 2;
mv_predictor[pred_count+1][1] /= 2;
}
pred_count+=2;
}
pred_count++;
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index][1];
pred_count++;
s->mv_dir = MV_DIR_FORWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
s->mb_skipped=0;
s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
for(j=0; j<pred_count; j++){
int score=0;
uint8_t *src= s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;
s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[j][0];
s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[j][1];
decode_mb(s);
if(mb_x>0 && fixed[mb_xy-1]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k*s->linesize-1 ]-src[k*s->linesize ]);
}
if(mb_x+1<mb_width && fixed[mb_xy+1]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k*s->linesize+15]-src[k*s->linesize+16]);
}
if(mb_y>0 && fixed[mb_xy-mb_stride]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k-s->linesize ]-src[k ]);
}
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k+s->linesize*15]-src[k+s->linesize*16]);
}
if(score <= best_score){
best_score= score;
best_pred= j;
}
}
score_sum+= best_score;
s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[best_pred][0];
s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[best_pred][1];
decode_mb(s);
if(s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y){
fixed[mb_xy]=MV_CHANGED;
changed++;
}else
fixed[mb_xy]=MV_UNCHANGED;
}
}
}
if(none_left)
return;
for(i=0; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if(fixed[mb_xy])
fixed[mb_xy]=MV_FROZEN;
}
}
} | ['static void guess_mv(MpegEncContext *s){\n uint8_t fixed[s->mb_stride * s->mb_height];\n#define MV_FROZEN 3\n#define MV_CHANGED 2\n#define MV_UNCHANGED 1\n const int mb_stride = s->mb_stride;\n const int mb_width = s->mb_width;\n const int mb_height= s->mb_height;\n int i, depth, num_avail;\n int mb_x, mb_y;\n num_avail=0;\n for(i=0; i<s->mb_num; i++){\n const int mb_xy= s->mb_index2xy[ i ];\n int f=0;\n int error= s->error_status_table[mb_xy];\n if(IS_INTRA(s->current_picture.mb_type[mb_xy])) f=MV_FROZEN;\n if(!(error&MV_ERROR)) f=MV_FROZEN;\n fixed[mb_xy]= f;\n if(f==MV_FROZEN)\n num_avail++;\n }\n if((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || num_avail <= mb_width/2){\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 const int mb_xy= mb_x + mb_y*s->mb_stride;\n if(IS_INTRA(s->current_picture.mb_type[mb_xy])) continue;\n if(!(s->error_status_table[mb_xy]&MV_ERROR)) continue;\n s->mv_dir = MV_DIR_FORWARD;\n s->mb_intra=0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped=0;\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x= mb_x;\n s->mb_y= mb_y;\n s->mv[0][0][0]= 0;\n s->mv[0][0][1]= 0;\n decode_mb(s);\n }\n }\n return;\n }\n for(depth=0;; depth++){\n int changed, pass, none_left;\n none_left=1;\n changed=1;\n for(pass=0; (changed || pass<2) && pass<10; pass++){\n int mb_x, mb_y;\nint score_sum=0;\n changed=0;\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 const int mb_xy= mb_x + mb_y*s->mb_stride;\n int mv_predictor[8][2]={{0}};\n int pred_count=0;\n int j;\n int best_score=256*256*256*64;\n int best_pred=0;\n const int mot_stride= s->b8_stride;\n const int mot_index= mb_x*2 + mb_y*2*mot_stride;\n int prev_x= s->current_picture.motion_val[0][mot_index][0];\n int prev_y= s->current_picture.motion_val[0][mot_index][1];\n if((mb_x^mb_y^pass)&1) continue;\n if(fixed[mb_xy]==MV_FROZEN) continue;\n assert(!IS_INTRA(s->current_picture.mb_type[mb_xy]));\n assert(s->last_picture_ptr && s->last_picture_ptr->data[0]);\n j=0;\n if(mb_x>0 && fixed[mb_xy-1 ]==MV_FROZEN) j=1;\n if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_FROZEN) j=1;\n if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_FROZEN) j=1;\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_FROZEN) j=1;\n if(j==0) continue;\n j=0;\n if(mb_x>0 && fixed[mb_xy-1 ]==MV_CHANGED) j=1;\n if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_CHANGED) j=1;\n if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_CHANGED) j=1;\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_CHANGED) j=1;\n if(j==0 && pass>1) continue;\n none_left=0;\n if(mb_x>0 && fixed[mb_xy-1]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - 2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - 2][1];\n pred_count++;\n }\n if(mb_x+1<mb_width && fixed[mb_xy+1]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + 2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + 2][1];\n pred_count++;\n }\n if(mb_y>0 && fixed[mb_xy-mb_stride]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - mot_stride*2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - mot_stride*2][1];\n pred_count++;\n }\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + mot_stride*2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + mot_stride*2][1];\n pred_count++;\n }\n if(pred_count==0) continue;\n if(pred_count>1){\n int sum_x=0, sum_y=0;\n int max_x, max_y, min_x, min_y;\n for(j=0; j<pred_count; j++){\n sum_x+= mv_predictor[j][0];\n sum_y+= mv_predictor[j][1];\n }\n mv_predictor[pred_count][0] = sum_x/j;\n mv_predictor[pred_count][1] = sum_y/j;\n if(pred_count>=3){\n min_y= min_x= 99999;\n max_y= max_x=-99999;\n }else{\n min_x=min_y=max_x=max_y=0;\n }\n for(j=0; j<pred_count; j++){\n max_x= FFMAX(max_x, mv_predictor[j][0]);\n max_y= FFMAX(max_y, mv_predictor[j][1]);\n min_x= FFMIN(min_x, mv_predictor[j][0]);\n min_y= FFMIN(min_y, mv_predictor[j][1]);\n }\n mv_predictor[pred_count+1][0] = sum_x - max_x - min_x;\n mv_predictor[pred_count+1][1] = sum_y - max_y - min_y;\n if(pred_count==4){\n mv_predictor[pred_count+1][0] /= 2;\n mv_predictor[pred_count+1][1] /= 2;\n }\n pred_count+=2;\n }\n pred_count++;\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index][1];\n pred_count++;\n s->mv_dir = MV_DIR_FORWARD;\n s->mb_intra=0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped=0;\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x= mb_x;\n s->mb_y= mb_y;\n for(j=0; j<pred_count; j++){\n int score=0;\n uint8_t *src= s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;\n s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[j][0];\n s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[j][1];\n decode_mb(s);\n if(mb_x>0 && fixed[mb_xy-1]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k*s->linesize-1 ]-src[k*s->linesize ]);\n }\n if(mb_x+1<mb_width && fixed[mb_xy+1]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k*s->linesize+15]-src[k*s->linesize+16]);\n }\n if(mb_y>0 && fixed[mb_xy-mb_stride]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k-s->linesize ]-src[k ]);\n }\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k+s->linesize*15]-src[k+s->linesize*16]);\n }\n if(score <= best_score){\n best_score= score;\n best_pred= j;\n }\n }\nscore_sum+= best_score;\n s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[best_pred][0];\n s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[best_pred][1];\n decode_mb(s);\n if(s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y){\n fixed[mb_xy]=MV_CHANGED;\n changed++;\n }else\n fixed[mb_xy]=MV_UNCHANGED;\n }\n }\n }\n if(none_left)\n return;\n for(i=0; i<s->mb_num; i++){\n int mb_xy= s->mb_index2xy[i];\n if(fixed[mb_xy])\n fixed[mb_xy]=MV_FROZEN;\n }\n }\n}'] |
21,485 | 0 | https://github.com/openssl/openssl/blob/f9df0a7775f483c175cda5832360cccd1db6943a/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;
} | ['int BN_GF2m_mod_div_arr(BIGNUM *r, const BIGNUM *yy, const BIGNUM *xx,\n const int p[], BN_CTX *ctx)\n{\n BIGNUM *field;\n int ret = 0;\n bn_check_top(yy);\n bn_check_top(xx);\n BN_CTX_start(ctx);\n if ((field = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_arr2poly(p, field))\n goto err;\n ret = BN_GF2m_mod_div(r, yy, xx, field, ctx);\n bn_check_top(r);\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_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}', '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}'] |
21,486 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/crypto/bn/bn_ctx.c/#L270 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)\n{\n const BIGNUM *order;\n EC_POINT *P = NULL, *T = NULL;\n const EC_POINT *generator;\n NISTZ256_PRE_COMP *pre_comp;\n BN_CTX *new_ctx = NULL;\n int i, j, k, ret = 0;\n size_t w;\n PRECOMP256_ROW *preComputedTable = NULL;\n unsigned char *precomp_storage = NULL;\n EC_pre_comp_free(group);\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_ECP_NISTZ256_MULT_PRECOMPUTE, EC_R_UNDEFINED_GENERATOR);\n return 0;\n }\n if (ecp_nistz256_is_affine_G(generator)) {\n return 1;\n }\n if ((pre_comp = ecp_nistz256_pre_comp_new(group)) == NULL)\n return 0;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n }\n BN_CTX_start(ctx);\n order = EC_GROUP_get0_order(group);\n if (order == NULL)\n goto err;\n if (BN_is_zero(order)) {\n ECerr(EC_F_ECP_NISTZ256_MULT_PRECOMPUTE, EC_R_UNKNOWN_ORDER);\n goto err;\n }\n w = 7;\n if ((precomp_storage =\n OPENSSL_malloc(37 * 64 * sizeof(P256_POINT_AFFINE) + 64)) == NULL) {\n ECerr(EC_F_ECP_NISTZ256_MULT_PRECOMPUTE, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n preComputedTable = (void *)ALIGNPTR(precomp_storage, 64);\n P = EC_POINT_new(group);\n T = EC_POINT_new(group);\n if (P == NULL || T == NULL)\n goto err;\n if (!EC_POINT_copy(T, generator))\n goto err;\n for (k = 0; k < 64; k++) {\n if (!EC_POINT_copy(P, T))\n goto err;\n for (j = 0; j < 37; j++) {\n P256_POINT_AFFINE temp;\n if (!EC_POINT_make_affine(group, P, ctx))\n goto err;\n if (!ecp_nistz256_bignum_to_field_elem(temp.X, P->X) ||\n !ecp_nistz256_bignum_to_field_elem(temp.Y, P->Y)) {\n ECerr(EC_F_ECP_NISTZ256_MULT_PRECOMPUTE,\n EC_R_COORDINATES_OUT_OF_RANGE);\n goto err;\n }\n ecp_nistz256_scatter_w7(preComputedTable[j], &temp, k);\n for (i = 0; i < 7; i++) {\n if (!EC_POINT_dbl(group, P, P, ctx))\n goto err;\n }\n }\n if (!EC_POINT_add(group, T, T, generator, ctx))\n goto err;\n }\n pre_comp->group = group;\n pre_comp->w = w;\n pre_comp->precomp = preComputedTable;\n pre_comp->precomp_storage = precomp_storage;\n precomp_storage = NULL;\n SETPRECOMP(group, nistz256, pre_comp);\n pre_comp = NULL;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n EC_nistz256_pre_comp_free(pre_comp);\n OPENSSL_free(precomp_storage);\n EC_POINT_free(P);\n EC_POINT_free(T);\n return ret;\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}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,487 | 0 | https://github.com/libav/libav/blob/02e4275180866acc0f42281d1c5ef5a46552da84/libswscale/swscale_unscaled.c/#L495 | static rgbConvFn findRgbConvFn(SwsContext *c)
{
const enum AVPixelFormat srcFormat = c->srcFormat;
const enum AVPixelFormat dstFormat = c->dstFormat;
const int srcId = c->srcFormatBpp;
const int dstId = c->dstFormatBpp;
rgbConvFn conv = NULL;
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
#define IS_NOT_NE(bpp, desc) \
(((bpp + 7) >> 3) == 2 && \
(!(desc->flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
if (IS_NOT_NE(srcId, desc_src) || IS_NOT_NE(dstId, desc_dst))
return NULL;
#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
if ( CONV_IS(ABGR, RGBA)
|| CONV_IS(ARGB, BGRA)
|| CONV_IS(BGRA, ARGB)
|| CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
else if (CONV_IS(ABGR, ARGB)
|| CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
else if (CONV_IS(ABGR, BGRA)
|| CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
else if (CONV_IS(BGRA, RGBA)
|| CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
else if (CONV_IS(BGRA, ABGR)
|| CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
} else
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000F000C: conv = rgb12to15; break;
case 0x000F0010: conv = rgb16to15; break;
case 0x000F0018: conv = rgb24to15; break;
case 0x000F0020: conv = rgb32to15; break;
case 0x0010000F: conv = rgb15to16; break;
case 0x00100018: conv = rgb24to16; break;
case 0x00100020: conv = rgb32to16; break;
case 0x0018000F: conv = rgb15to24; break;
case 0x00180010: conv = rgb16to24; break;
case 0x00180020: conv = rgb32to24; break;
case 0x0020000F: conv = rgb15to32; break;
case 0x00200010: conv = rgb16to32; break;
case 0x00200018: conv = rgb24to32; break;
}
} else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000C000C: conv = rgb12tobgr12; break;
case 0x000F000F: conv = rgb15tobgr15; break;
case 0x000F0010: conv = rgb16tobgr15; break;
case 0x000F0018: conv = rgb24tobgr15; break;
case 0x000F0020: conv = rgb32tobgr15; break;
case 0x0010000F: conv = rgb15tobgr16; break;
case 0x00100010: conv = rgb16tobgr16; break;
case 0x00100018: conv = rgb24tobgr16; break;
case 0x00100020: conv = rgb32tobgr16; break;
case 0x0018000F: conv = rgb15tobgr24; break;
case 0x00180010: conv = rgb16tobgr24; break;
case 0x00180018: conv = rgb24tobgr24; break;
case 0x00180020: conv = rgb32tobgr24; break;
case 0x0020000F: conv = rgb15tobgr32; break;
case 0x00200010: conv = rgb16tobgr32; break;
case 0x00200018: conv = rgb24tobgr32; break;
}
}
return conv;
} | ['static rgbConvFn findRgbConvFn(SwsContext *c)\n{\n const enum AVPixelFormat srcFormat = c->srcFormat;\n const enum AVPixelFormat dstFormat = c->dstFormat;\n const int srcId = c->srcFormatBpp;\n const int dstId = c->dstFormatBpp;\n rgbConvFn conv = NULL;\n const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);\n const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);\n#define IS_NOT_NE(bpp, desc) \\\n (((bpp + 7) >> 3) == 2 && \\\n (!(desc->flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))\n if (IS_NOT_NE(srcId, desc_src) || IS_NOT_NE(dstId, desc_dst))\n return NULL;\n#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)\n if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {\n if ( CONV_IS(ABGR, RGBA)\n || CONV_IS(ARGB, BGRA)\n || CONV_IS(BGRA, ARGB)\n || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;\n else if (CONV_IS(ABGR, ARGB)\n || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;\n else if (CONV_IS(ABGR, BGRA)\n || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;\n else if (CONV_IS(BGRA, RGBA)\n || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;\n else if (CONV_IS(BGRA, ABGR)\n || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;\n } else\n if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||\n (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {\n switch (srcId | (dstId << 16)) {\n case 0x000F000C: conv = rgb12to15; break;\n case 0x000F0010: conv = rgb16to15; break;\n case 0x000F0018: conv = rgb24to15; break;\n case 0x000F0020: conv = rgb32to15; break;\n case 0x0010000F: conv = rgb15to16; break;\n case 0x00100018: conv = rgb24to16; break;\n case 0x00100020: conv = rgb32to16; break;\n case 0x0018000F: conv = rgb15to24; break;\n case 0x00180010: conv = rgb16to24; break;\n case 0x00180020: conv = rgb32to24; break;\n case 0x0020000F: conv = rgb15to32; break;\n case 0x00200010: conv = rgb16to32; break;\n case 0x00200018: conv = rgb24to32; break;\n }\n } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||\n (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {\n switch (srcId | (dstId << 16)) {\n case 0x000C000C: conv = rgb12tobgr12; break;\n case 0x000F000F: conv = rgb15tobgr15; break;\n case 0x000F0010: conv = rgb16tobgr15; break;\n case 0x000F0018: conv = rgb24tobgr15; break;\n case 0x000F0020: conv = rgb32tobgr15; break;\n case 0x0010000F: conv = rgb15tobgr16; break;\n case 0x00100010: conv = rgb16tobgr16; break;\n case 0x00100018: conv = rgb24tobgr16; break;\n case 0x00100020: conv = rgb32tobgr16; break;\n case 0x0018000F: conv = rgb15tobgr24; break;\n case 0x00180010: conv = rgb16tobgr24; break;\n case 0x00180018: conv = rgb24tobgr24; break;\n case 0x00180020: conv = rgb32tobgr24; break;\n case 0x0020000F: conv = rgb15tobgr32; break;\n case 0x00200010: conv = rgb16tobgr32; break;\n case 0x00200018: conv = rgb24tobgr32; break;\n }\n }\n return conv;\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}'] |
21,488 | 0 | https://github.com/openssl/openssl/blob/54b5fd537f7a7ac1874359fd42a4721b6839f7a1/ssl/d1_both.c/#L1053 | int
dtls1_buffer_message(SSL *s, int is_ccs)
{
pitem *item;
hm_fragment *frag;
unsigned char seq64be[8];
OPENSSL_assert(s->init_off == 0);
frag = dtls1_hm_fragment_new(s->init_num);
memcpy(frag->fragment, s->init_buf->data, s->init_num);
if ( is_ccs)
{
OPENSSL_assert(s->d1->w_msg_hdr.msg_len +
DTLS1_CCS_HEADER_LENGTH == (unsigned int)s->init_num);
}
else
{
OPENSSL_assert(s->d1->w_msg_hdr.msg_len +
DTLS1_HM_HEADER_LENGTH == (unsigned int)s->init_num);
}
frag->msg_header.msg_len = s->d1->w_msg_hdr.msg_len;
frag->msg_header.seq = s->d1->w_msg_hdr.seq;
frag->msg_header.type = s->d1->w_msg_hdr.type;
frag->msg_header.frag_off = 0;
frag->msg_header.frag_len = s->d1->w_msg_hdr.msg_len;
frag->msg_header.is_ccs = is_ccs;
memset(seq64be,0,sizeof(seq64be));
seq64be[6] = (unsigned char)(frag->msg_header.seq>>8);
seq64be[7] = (unsigned char)(frag->msg_header.seq);
item = pitem_new(seq64be, frag);
if ( item == NULL)
{
dtls1_hm_fragment_free(frag);
return 0;
}
#if 0
fprintf( stderr, "buffered messge: \ttype = %xx\n", msg_buf->type);
fprintf( stderr, "\t\t\t\t\tlen = %d\n", msg_buf->len);
fprintf( stderr, "\t\t\t\t\tseq_num = %d\n", msg_buf->seq_num);
#endif
pqueue_insert(s->d1->sent_messages, item);
return 1;
} | ['int\ndtls1_buffer_message(SSL *s, int is_ccs)\n {\n pitem *item;\n hm_fragment *frag;\n unsigned char seq64be[8];\n OPENSSL_assert(s->init_off == 0);\n frag = dtls1_hm_fragment_new(s->init_num);\n memcpy(frag->fragment, s->init_buf->data, s->init_num);\n if ( is_ccs)\n {\n OPENSSL_assert(s->d1->w_msg_hdr.msg_len +\n DTLS1_CCS_HEADER_LENGTH == (unsigned int)s->init_num);\n }\n else\n {\n OPENSSL_assert(s->d1->w_msg_hdr.msg_len +\n DTLS1_HM_HEADER_LENGTH == (unsigned int)s->init_num);\n }\n frag->msg_header.msg_len = s->d1->w_msg_hdr.msg_len;\n frag->msg_header.seq = s->d1->w_msg_hdr.seq;\n frag->msg_header.type = s->d1->w_msg_hdr.type;\n frag->msg_header.frag_off = 0;\n frag->msg_header.frag_len = s->d1->w_msg_hdr.msg_len;\n frag->msg_header.is_ccs = is_ccs;\n memset(seq64be,0,sizeof(seq64be));\n seq64be[6] = (unsigned char)(frag->msg_header.seq>>8);\n seq64be[7] = (unsigned char)(frag->msg_header.seq);\n item = pitem_new(seq64be, frag);\n if ( item == NULL)\n {\n dtls1_hm_fragment_free(frag);\n return 0;\n }\n#if 0\n fprintf( stderr, "buffered messge: \\ttype = %xx\\n", msg_buf->type);\n fprintf( stderr, "\\t\\t\\t\\t\\tlen = %d\\n", msg_buf->len);\n fprintf( stderr, "\\t\\t\\t\\t\\tseq_num = %d\\n", msg_buf->seq_num);\n#endif\n pqueue_insert(s->d1->sent_messages, item);\n return 1;\n }', 'static hm_fragment *\ndtls1_hm_fragment_new(unsigned long frag_len)\n {\n hm_fragment *frag = NULL;\n unsigned char *buf = NULL;\n frag = (hm_fragment *)OPENSSL_malloc(sizeof(hm_fragment));\n if ( frag == NULL)\n return NULL;\n buf = (unsigned char *)OPENSSL_malloc(frag_len\n + DTLS1_HM_HEADER_LENGTH);\n if ( buf == NULL)\n {\n OPENSSL_free(frag);\n return NULL;\n }\n frag->fragment = buf;\n return frag;\n }', '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}'] |
21,489 | 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)];
} | ['int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,\n const BIGNUM *add, const BIGNUM *rem, BN_GENCB *cb)\n{\n BIGNUM *t;\n int found = 0;\n int i, j, c1 = 0;\n BN_CTX *ctx = NULL;\n prime_t *mods = NULL;\n int checks = BN_prime_checks_for_size(bits);\n mods = OPENSSL_zalloc(sizeof(*mods) * NUMPRIMES);\n if (mods == NULL)\n goto err;\n if (bits < 2) {\n BNerr(BN_F_BN_GENERATE_PRIME_EX, BN_R_BITS_TOO_SMALL);\n return 0;\n } else if (bits == 2 && safe) {\n BNerr(BN_F_BN_GENERATE_PRIME_EX, BN_R_BITS_TOO_SMALL);\n return 0;\n }\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n BN_CTX_start(ctx);\n t = BN_CTX_get(ctx);\n if (!t)\n goto err;\n loop:\n if (add == NULL) {\n if (!probable_prime(ret, bits, mods))\n goto err;\n } else {\n if (safe) {\n if (!probable_prime_dh_safe(ret, bits, add, rem, ctx))\n goto err;\n } else {\n if (!bn_probable_prime_dh(ret, bits, add, rem, ctx))\n goto err;\n }\n }\n if (!BN_GENCB_call(cb, 0, c1++))\n goto err;\n if (!safe) {\n i = BN_is_prime_fasttest_ex(ret, checks, ctx, 0, cb);\n if (i == -1)\n goto err;\n if (i == 0)\n goto loop;\n } else {\n if (!BN_rshift1(t, ret))\n goto err;\n for (i = 0; i < checks; i++) {\n j = BN_is_prime_fasttest_ex(ret, 1, ctx, 0, cb);\n if (j == -1)\n goto err;\n if (j == 0)\n goto loop;\n j = BN_is_prime_fasttest_ex(t, 1, ctx, 0, cb);\n if (j == -1)\n goto err;\n if (j == 0)\n goto loop;\n if (!BN_GENCB_call(cb, 2, c1 - 1))\n goto err;\n }\n }\n found = 1;\n err:\n OPENSSL_free(mods);\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n bn_check_top(ret);\n return found;\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 probable_prime_dh_safe(BIGNUM *p, int bits, const BIGNUM *padd,\n const BIGNUM *rem, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *t1, *qadd, *q;\n bits--;\n BN_CTX_start(ctx);\n t1 = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n qadd = BN_CTX_get(ctx);\n if (qadd == NULL)\n goto err;\n if (!BN_rshift1(qadd, padd))\n goto err;\n if (!BN_rand(q, bits, 0, 1))\n goto err;\n if (!BN_mod(t1, q, qadd, ctx))\n goto err;\n if (!BN_sub(q, q, t1))\n goto err;\n if (rem == NULL) {\n if (!BN_add_word(q, 1))\n goto err;\n } else {\n if (!BN_rshift1(t1, rem))\n goto err;\n if (!BN_add(q, q, t1))\n goto err;\n }\n if (!BN_lshift1(p, q))\n goto err;\n if (!BN_add_word(p, 1))\n goto err;\n loop:\n for (i = 1; i < NUMPRIMES; i++) {\n if ((BN_mod_word(p, (BN_ULONG)primes[i]) == 0) ||\n (BN_mod_word(q, (BN_ULONG)primes[i]) == 0)) {\n if (!BN_add(p, p, padd))\n goto err;\n if (!BN_add(q, q, qadd))\n goto err;\n goto loop;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(p);\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}'] |
21,490 | 0 | https://github.com/openssl/openssl/blob/24b8e4b2c835d6bf52c2768d4d4a78ed7d7e85bb/ssl/packet.c/#L49 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['int tls_construct_client_session_ticket(SSL *s, WPACKET *pkt, int *al)\n{\n size_t ticklen;\n if (!tls_use_ticket(s))\n return 1;\n if (!s->new_session && s->session != NULL\n && s->session->tlsext_tick != NULL) {\n ticklen = s->session->tlsext_ticklen;\n } else if (s->session && s->tlsext_session_ticket != NULL\n && s->tlsext_session_ticket->data != NULL) {\n ticklen = s->tlsext_session_ticket->length;\n s->session->tlsext_tick = OPENSSL_malloc(ticklen);\n if (s->session->tlsext_tick == NULL) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SESSION_TICKET,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n memcpy(s->session->tlsext_tick,\n s->tlsext_session_ticket->data, ticklen);\n s->session->tlsext_ticklen = ticklen;\n } else {\n ticklen = 0;\n }\n if (ticklen == 0 && s->tlsext_session_ticket != NULL &&\n s->tlsext_session_ticket->data == NULL)\n return 1;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)\n || !WPACKET_sub_memcpy_u16(pkt, s->session->tlsext_tick, ticklen)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SESSION_TICKET, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n unsigned char *data;\n assert(size <= sizeof(unsigned int));\n if (size > sizeof(unsigned int)\n || !WPACKET_allocate_bytes(pkt, size, &data)\n || !put_value(data, val, size))\n return 0;\n return 1;\n}', 'int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_memcpy(pkt, src, len)\n || !WPACKET_close(pkt))\n return 0;\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 if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
21,491 | 0 | https://github.com/openssl/openssl/blob/9d5cceac6fb0eca8945f630afff1a2288aa6332a/apps/apps.c/#L250 | int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
{
int num,len,i;
char *p;
*argc=0;
*argv=NULL;
len=strlen(buf);
i=0;
if (arg->count == 0)
{
arg->count=20;
arg->data=(char **)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)
{
arg->count+=20;
arg->data=(char **)Realloc(arg->data,
sizeof(char *)*arg->count);
if (argc == 0) return(0);
}
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,len,i;\n\tchar *p;\n\t*argc=0;\n\t*argv=NULL;\n\tlen=strlen(buf);\n\ti=0;\n\tif (arg->count == 0)\n\t\t{\n\t\targ->count=20;\n\t\targ->data=(char **)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\targ->count+=20;\n\t\t\targ->data=(char **)Realloc(arg->data,\n\t\t\t\tsizeof(char *)*arg->count);\n\t\t\tif (argc == 0) return(0);\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}'] |
21,492 | 1 | https://github.com/openssl/openssl/blob/3aecef76973dbea037ec4e1ceba7ec1bd3fb683a/crypto/objects/obj_dat.c/#L467 | int OBJ_obj2txt(char *buf, int buf_len, const 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);
}
if (no_name || (nid=OBJ_obj2nid(a)) == NID_undef) {
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);
} | ['STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,\n\t\t\t\tGENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)\n{\n\tunsigned char *p;\n\tchar oline[256];\n\tswitch (gen->type)\n\t{\n\t\tcase GEN_OTHERNAME:\n\t\tX509V3_add_value("othername","<unsupported>", &ret);\n\t\tbreak;\n\t\tcase GEN_X400:\n\t\tX509V3_add_value("X400Name","<unsupported>", &ret);\n\t\tbreak;\n\t\tcase GEN_EDIPARTY:\n\t\tX509V3_add_value("EdiPartyName","<unsupported>", &ret);\n\t\tbreak;\n\t\tcase GEN_EMAIL:\n\t\tX509V3_add_value_uchar("email",gen->d.ia5->data, &ret);\n\t\tbreak;\n\t\tcase GEN_DNS:\n\t\tX509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);\n\t\tbreak;\n\t\tcase GEN_URI:\n\t\tX509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);\n\t\tbreak;\n\t\tcase GEN_DIRNAME:\n\t\tX509_NAME_oneline(gen->d.dirn, oline, 256);\n\t\tX509V3_add_value("DirName",oline, &ret);\n\t\tbreak;\n\t\tcase GEN_IPADD:\n\t\tp = gen->d.ip->data;\n\t\tif(gen->d.ip->length != 4) {\n\t\t\tX509V3_add_value("IP Address","<invalid>", &ret);\n\t\t\tbreak;\n\t\t}\n\t\tsprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);\n\t\tX509V3_add_value("IP Address",oline, &ret);\n\t\tbreak;\n\t\tcase GEN_RID:\n\t\ti2t_ASN1_OBJECT(oline, 256, gen->d.rid);\n\t\tX509V3_add_value("Registered ID",oline, &ret);\n\t\tbreak;\n\t}\n\treturn ret;\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, const 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\tif (no_name || (nid=OBJ_obj2nid(a)) == NID_undef) {\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}'] |
21,493 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bn/bn_lib.c/#L564 | BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
{
unsigned int i, m;
unsigned int n;
BN_ULONG l;
BIGNUM *bn = NULL;
if (ret == NULL)
ret = bn = BN_new();
if (ret == NULL)
return (NULL);
bn_check_top(ret);
l = 0;
n = len;
if (n == 0) {
ret->top = 0;
return (ret);
}
i = ((n - 1) / BN_BYTES) + 1;
m = ((n - 1) % (BN_BYTES));
if (bn_wexpand(ret, (int)i) == NULL) {
if (bn)
BN_free(bn);
return NULL;
}
ret->top = i;
ret->neg = 0;
while (n--) {
l = (l << 8L) | *(s++);
if (m-- == 0) {
ret->d[--i] = l;
l = 0;
m = BN_BYTES - 1;
}
}
bn_correct_top(ret);
return (ret);
} | ['static int SRP_user_pwd_set_sv(SRP_user_pwd *vinfo, const char *s,\n const char *v)\n{\n unsigned char tmp[MAX_LEN];\n int len;\n if (strlen(s) > MAX_LEN || strlen(v) > MAX_LEN)\n return 0;\n len = t_fromb64(tmp, v);\n if (NULL == (vinfo->v = BN_bin2bn(tmp, len, NULL)))\n return 0;\n len = t_fromb64(tmp, s);\n return ((vinfo->s = BN_bin2bn(tmp, len, NULL)) != NULL);\n}', "static int t_fromb64(unsigned char *a, const char *src)\n{\n char *loc;\n int i, j;\n int size;\n while (*src && (*src == ' ' || *src == '\\t' || *src == '\\n'))\n ++src;\n size = strlen(src);\n i = 0;\n while (i < size) {\n loc = strchr(b64table, src[i]);\n if (loc == (char *)0)\n break;\n else\n a[i] = loc - b64table;\n ++i;\n }\n if (i == 0)\n return 0;\n size = i;\n i = size - 1;\n j = size;\n while (1) {\n a[j] = a[i];\n if (--i < 0)\n break;\n a[j] |= (a[i] & 3) << 6;\n --j;\n a[j] = (unsigned char)((a[i] & 0x3c) >> 2);\n if (--i < 0)\n break;\n a[j] |= (a[i] & 0xf) << 4;\n --j;\n a[j] = (unsigned char)((a[i] & 0x30) >> 4);\n if (--i < 0)\n break;\n a[j] |= (a[i] << 2);\n a[--j] = 0;\n if (--i < 0)\n break;\n }\n while (a[j] == 0 && j <= size)\n ++j;\n i = 0;\n while (j <= size)\n a[i++] = a[j++];\n return i;\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 l = 0;\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 if (bn)\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 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}'] |
21,494 | 0 | https://github.com/openssl/openssl/blob/4b8515baa6edef1a771f9e4e3fbc0395b4a629e8/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;
} | ['static int dh_builtin_genparams(DH *ret, int prime_len, int generator,\n BN_GENCB *cb)\n{\n BIGNUM *t1, *t2;\n int g, ok = -1;\n BN_CTX *ctx = NULL;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\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 (!ret->p && ((ret->p = BN_new()) == NULL))\n goto err;\n if (!ret->g && ((ret->g = BN_new()) == NULL))\n goto err;\n if (generator <= 1) {\n DHerr(DH_F_DH_BUILTIN_GENPARAMS, DH_R_BAD_GENERATOR);\n goto err;\n }\n if (generator == DH_GENERATOR_2) {\n if (!BN_set_word(t1, 24))\n goto err;\n if (!BN_set_word(t2, 11))\n goto err;\n g = 2;\n } else if (generator == DH_GENERATOR_5) {\n if (!BN_set_word(t1, 10))\n goto err;\n if (!BN_set_word(t2, 3))\n goto err;\n g = 5;\n } else {\n if (!BN_set_word(t1, 2))\n goto err;\n if (!BN_set_word(t2, 1))\n goto err;\n g = generator;\n }\n if (!BN_generate_prime_ex(ret->p, prime_len, 1, t1, t2, cb))\n goto err;\n if (!BN_GENCB_call(cb, 3, 0))\n goto err;\n if (!BN_set_word(ret->g, g))\n goto err;\n ok = 1;\n err:\n if (ok == -1) {\n DHerr(DH_F_DH_BUILTIN_GENPARAMS, ERR_R_BN_LIB);\n ok = 0;\n }\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n }\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}', '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}'] |
21,495 | 0 | https://github.com/openssl/openssl/blob/31b446e212e2209d62e66a608e540716716430e4/apps/speed.c/#L1651 | 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
unsigned char sha[SHA_DIGEST_LENGTH];
unsigned char sha256[SHA256_DIGEST_LENGTH];
unsigned char sha512[SHA512_DIGEST_LENGTH];
#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
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 if (strcmp(*argv, "sha256") == 0)
doit[D_SHA256] = 1;
else if (strcmp(*argv, "sha512") == 0)
doit[D_SHA512] = 1;
else
#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
BIO_printf(bio_err, "sha1 ");
BIO_printf(bio_err, "sha256 ");
BIO_printf(bio_err, "sha512 ");
#ifndef OPENSSL_NO_WHIRLPOOL
BIO_printf(bio_err, "whirlpool");
#endif
#ifndef OPENSSL_NO_RMD160
BIO_printf(bio_err, "rmd160");
#endif
BIO_printf(bio_err, "\n");
#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
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++)
SHA1(buf, lengths[j], sha);
d = Time_F(STOP);
print_result(D_SHA1, j, count, d);
}
}
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);
}
}
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);
}
}
#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 unsigned char sha[SHA_DIGEST_LENGTH];\n unsigned char sha256[SHA256_DIGEST_LENGTH];\n unsigned char sha512[SHA512_DIGEST_LENGTH];\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 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 if (strcmp(*argv, "sha256") == 0)\n doit[D_SHA256] = 1;\n else if (strcmp(*argv, "sha512") == 0)\n doit[D_SHA512] = 1;\n else\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 BIO_printf(bio_err, "sha1 ");\n BIO_printf(bio_err, "sha256 ");\n BIO_printf(bio_err, "sha512 ");\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 BIO_printf(bio_err, "\\n");\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 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 SHA1(buf, lengths[j], sha);\n d = Time_F(STOP);\n print_result(D_SHA1, j, count, d);\n }\n }\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 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#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}'] |
21,496 | 0 | https://github.com/libav/libav/blob/6e4ca0749c2e6434e071dbd314076613fb3ef59b/ffmpeg.c/#L4217 | static int opt_vstats(const char *opt, const char *arg)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
return opt_vstats_file(opt, filename);
} | ['static int opt_vstats(const char *opt, const char *arg)\n{\n char filename[40];\n time_t today2 = time(NULL);\n struct tm *today = localtime(&today2);\n snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,\n today->tm_sec);\n return opt_vstats_file(opt, filename);\n}'] |
21,497 | 0 | https://github.com/openssl/openssl/blob/ff64702b3d83d4c77756e0fd7b624e2165dbbdf0/crypto/packet.c/#L52 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
if (!ossl_assert(pkt->subs != NULL && len != 0))
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf != NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['EXT_RETURN tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt,\n unsigned int context, X509 *x,\n size_t chainidx)\n{\n size_t salglen;\n const uint16_t *salg;\n if (!SSL_CLIENT_USE_SIGALGS(s))\n return EXT_RETURN_NOT_SENT;\n salglen = tls12_get_psigalgs(s, 1, &salg);\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signature_algorithms)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !tls12_copy_sigalgs(s, pkt, salg, salglen)\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CTOS_SIG_ALGS,\n ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n return EXT_RETURN_SENT;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n return 0;\n }\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 sub->packet_len = pkt->written;\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\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 if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->buf != 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 if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
21,498 | 0 | https://github.com/openssl/openssl/blob/f9df0a7775f483c175cda5832360cccd1db6943a/ssl/record/ssl3_record.c/#L1327 | int ssl3_cbc_remove_padding(SSL3_RECORD *rec,
size_t block_size, size_t mac_size)
{
size_t padding_length;
size_t good;
const size_t overhead = 1 + mac_size;
if (overhead > rec->length)
return 0;
padding_length = rec->data[rec->length - 1];
good = constant_time_ge_s(rec->length, padding_length + overhead);
good &= constant_time_ge_s(block_size, padding_length + 1);
rec->length -= good & (padding_length + 1);
return constant_time_select_int_s(good, 1, -1);
} | ['int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int sending)\n{\n SSL3_RECORD *rec;\n EVP_CIPHER_CTX *ds;\n size_t l, i;\n size_t bs, mac_size = 0;\n int imac_size;\n const EVP_CIPHER *enc;\n rec = inrecs;\n if (n_recs != 1)\n return 0;\n if (sending) {\n ds = s->enc_write_ctx;\n if (s->enc_write_ctx == NULL)\n enc = NULL;\n else\n enc = EVP_CIPHER_CTX_cipher(s->enc_write_ctx);\n } else {\n ds = s->enc_read_ctx;\n if (s->enc_read_ctx == NULL)\n enc = NULL;\n else\n enc = EVP_CIPHER_CTX_cipher(s->enc_read_ctx);\n }\n if ((s->session == NULL) || (ds == NULL) || (enc == NULL)) {\n memmove(rec->data, rec->input, rec->length);\n rec->input = rec->data;\n } else {\n l = rec->length;\n bs = EVP_CIPHER_CTX_block_size(ds);\n if ((bs != 1) && sending) {\n i = bs - (l % bs);\n l += i;\n memset(&rec->input[rec->length], 0, i);\n rec->length += i;\n rec->input[l - 1] = (unsigned char)(i - 1);\n }\n if (!sending) {\n if (l == 0 || l % bs != 0)\n return 0;\n }\n if (EVP_Cipher(ds, rec->data, rec->input, (unsigned int)l) < 1)\n return -1;\n if (EVP_MD_CTX_md(s->read_hash) != NULL) {\n imac_size = EVP_MD_CTX_size(s->read_hash);\n if (imac_size < 0)\n return -1;\n mac_size = (size_t)imac_size;\n }\n if ((bs != 1) && !sending)\n return ssl3_cbc_remove_padding(rec, bs, mac_size);\n }\n return 1;\n}', 'int ssl3_cbc_remove_padding(SSL3_RECORD *rec,\n size_t block_size, size_t mac_size)\n{\n size_t padding_length;\n size_t good;\n const size_t overhead = 1 + mac_size;\n if (overhead > rec->length)\n return 0;\n padding_length = rec->data[rec->length - 1];\n good = constant_time_ge_s(rec->length, padding_length + overhead);\n good &= constant_time_ge_s(block_size, padding_length + 1);\n rec->length -= good & (padding_length + 1);\n return constant_time_select_int_s(good, 1, -1);\n}'] |
21,499 | 0 | https://github.com/openssl/openssl/blob/207c7df746ca5c3cad6ce71e6cf2263d4183d8be/crypto/des/read_pwd.c/#L331 | int des_read_pw(char *buf, char *buff, int size, const char *prompt,
int verify)
{
#ifdef VMS
struct IOSB iosb;
$DESCRIPTOR(terminal,"TT");
long tty_orig[3], tty_new[3];
long status;
unsigned short channel = 0;
#else
#ifndef MSDOS
TTY_STRUCT tty_orig,tty_new;
#endif
#endif
int number;
int ok;
static int ps;
int is_a_tty;
static FILE *tty;
char *p;
if (setjmp(save))
{
ok=0;
goto error;
}
number=5;
ok=0;
ps=0;
is_a_tty=1;
tty=NULL;
#ifndef MSDOS
if ((tty=fopen("/dev/tty","r")) == NULL)
tty=stdin;
#else
if ((tty=fopen("con","r")) == NULL)
tty=stdin;
#endif
#if defined(TTY_get) && !defined(VMS)
if (TTY_get(fileno(tty),&tty_orig) == -1)
{
#ifdef ENOTTY
if (errno == ENOTTY)
is_a_tty=0;
else
#endif
#ifdef EINVAL
if (errno == EINVAL)
is_a_tty=0;
else
#endif
return(-1);
}
memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
#endif
#ifdef VMS
status = sys$assign(&terminal,&channel,0,0);
if (status != SS$_NORMAL)
return(-1);
status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
return(-1);
#endif
pushsig();
ps=1;
#ifdef TTY_FLAGS
tty_new.TTY_FLAGS &= ~ECHO;
#endif
#if defined(TTY_set) && !defined(VMS)
if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
return(-1);
#endif
#ifdef VMS
tty_new[0] = tty_orig[0];
tty_new[1] = tty_orig[1] | TT$M_NOECHO;
tty_new[2] = tty_orig[2];
status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
return(-1);
#endif
ps=2;
while ((!ok) && (number--))
{
fputs(prompt,stderr);
fflush(stderr);
buf[0]='\0';
fgets(buf,size,tty);
if (feof(tty)) goto error;
if (ferror(tty)) goto error;
if ((p=(char *)strchr(buf,'\n')) != NULL)
*p='\0';
else read_till_nl(tty);
if (verify)
{
fprintf(stderr,"\nVerifying password - %s",prompt);
fflush(stderr);
buff[0]='\0';
fgets(buff,size,tty);
if (feof(tty)) goto error;
if ((p=(char *)strchr(buff,'\n')) != NULL)
*p='\0';
else read_till_nl(tty);
if (strcmp(buf,buff) != 0)
{
fprintf(stderr,"\nVerify failure");
fflush(stderr);
break;
}
}
ok=1;
}
error:
fprintf(stderr,"\n");
#ifdef DEBUG
perror("fgets(tty)");
#endif
#if defined(TTY_set) && !defined(VMS)
if (ps >= 2) TTY_set(fileno(tty),&tty_orig);
#endif
#ifdef VMS
if (ps >= 2)
status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0
,tty_orig,12,0,0,0,0);
#endif
if (ps >= 1) popsig();
if (stdin != tty) fclose(tty);
#ifdef VMS
status = sys$dassgn(channel);
#endif
return(!ok);
} | ['int MAIN(int argc, char **argv)\n{\n char *infile=NULL, *outfile=NULL, *keyname = NULL;\n char *certfile=NULL;\n BIO *in=NULL, *out = NULL, *inkey = NULL, *certsin = NULL;\n char **args;\n char *name = NULL;\n PKCS12 *p12 = NULL;\n char pass[50], macpass[50];\n int export_cert = 0;\n int options = 0;\n int chain = 0;\n int badarg = 0;\n int iter = PKCS12_DEFAULT_ITER;\n int maciter = PKCS12_DEFAULT_ITER;\n int twopass = 0;\n int keytype = 0;\n int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;\n int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;\n int ret = 1;\n int macver = 1;\n int noprompt = 0;\n STACK *canames = NULL;\n char *cpass = NULL, *mpass = NULL;\n char *passin = NULL, *passout = NULL;\n char *inrand = NULL;\n apps_startup();\n enc = EVP_des_ede3_cbc();\n if (bio_err == NULL ) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);\n args = argv + 1;\n while (*args) {\n\tif (*args[0] == \'-\') {\n\t\tif (!strcmp (*args, "-nokeys")) options |= NOKEYS;\n\t\telse if (!strcmp (*args, "-keyex")) keytype = KEY_EX;\n\t\telse if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;\n\t\telse if (!strcmp (*args, "-nocerts")) options |= NOCERTS;\n\t\telse if (!strcmp (*args, "-clcerts")) options |= CLCERTS;\n\t\telse if (!strcmp (*args, "-cacerts")) options |= CACERTS;\n\t\telse if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);\n\t\telse if (!strcmp (*args, "-info")) options |= INFO;\n\t\telse if (!strcmp (*args, "-chain")) chain = 1;\n\t\telse if (!strcmp (*args, "-twopass")) twopass = 1;\n\t\telse if (!strcmp (*args, "-nomacver")) macver = 0;\n\t\telse if (!strcmp (*args, "-descert"))\n \t\t\tcert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;\n\t\telse if (!strcmp (*args, "-export")) export_cert = 1;\n\t\telse if (!strcmp (*args, "-des")) enc=EVP_des_cbc();\n#ifndef NO_IDEA\n\t\telse if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();\n#endif\n\t\telse if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();\n\t\telse if (!strcmp (*args, "-noiter")) iter = 1;\n\t\telse if (!strcmp (*args, "-maciter"))\n\t\t\t\t\t maciter = PKCS12_DEFAULT_ITER;\n\t\telse if (!strcmp (*args, "-nomaciter"))\n\t\t\t\t\t maciter = 1;\n\t\telse if (!strcmp (*args, "-nodes")) enc=NULL;\n\t\telse if (!strcmp (*args, "-certpbe")) {\n\t\t\tif (args[1]) {\n\t\t\t\targs++;\n\t\t\t\tcert_pbe=OBJ_txt2nid(*args);\n\t\t\t\tif(cert_pbe == NID_undef) {\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t "Unknown PBE algorithm %s\\n", *args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t}\n\t\t\t} else badarg = 1;\n\t\t} else if (!strcmp (*args, "-keypbe")) {\n\t\t\tif (args[1]) {\n\t\t\t\targs++;\n\t\t\t\tkey_pbe=OBJ_txt2nid(*args);\n\t\t\t\tif(key_pbe == NID_undef) {\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t "Unknown PBE algorithm %s\\n", *args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t}\n\t\t\t} else badarg = 1;\n\t\t} else if (!strcmp (*args, "-rand")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tinrand = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-inkey")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tkeyname = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-certfile")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tcertfile = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-name")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tname = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-caname")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tif (!canames) canames = sk_new(NULL);\n\t\t\tsk_push(canames, *args);\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-in")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tinfile = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-out")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\toutfile = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp(*args,"-passin")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tpassin = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp(*args,"-envpassin")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tif(!(passin= getenv(*args))) {\n\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Can\'t read environment variable %s\\n",\n\t\t\t\t\t\t\t\t*args);\n\t\t\t\tbadarg = 1;\n\t\t\t}\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp(*args,"-envpassout")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tif(!(passout= getenv(*args))) {\n\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Can\'t read environment variable %s\\n",\n\t\t\t\t\t\t\t\t*args);\n\t\t\t\tbadarg = 1;\n\t\t\t}\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp(*args,"-passout")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tpassout = *args;\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-envpass")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tif(!(cpass = getenv(*args))) {\n\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Can\'t read environment variable %s\\n", *args);\n\t\t\t\tgoto end;\n\t\t\t}\n\t\t } else badarg = 1;\n\t\t} else if (!strcmp (*args, "-password")) {\n\t\t if (args[1]) {\n\t\t\targs++;\n\t\t\tcpass = *args;\n\t\t \tnoprompt = 1;\n\t\t } else badarg = 1;\n\t\t} else badarg = 1;\n\t} else badarg = 1;\n\targs++;\n }\n if (badarg) {\n\tBIO_printf (bio_err, "Usage: pkcs12 [options]\\n");\n\tBIO_printf (bio_err, "where options are\\n");\n\tBIO_printf (bio_err, "-export output PKCS12 file\\n");\n\tBIO_printf (bio_err, "-chain add certificate chain\\n");\n\tBIO_printf (bio_err, "-inkey file private key if not infile\\n");\n\tBIO_printf (bio_err, "-certfile f add all certs in f\\n");\n\tBIO_printf (bio_err, "-name \\"name\\" use name as friendly name\\n");\n\tBIO_printf (bio_err, "-caname \\"nm\\" use nm as CA friendly name (can be used more than once).\\n");\n\tBIO_printf (bio_err, "-in infile input filename\\n");\n\tBIO_printf (bio_err, "-out outfile output filename\\n");\n\tBIO_printf (bio_err, "-noout don\'t output anything, just verify.\\n");\n\tBIO_printf (bio_err, "-nomacver don\'t verify MAC.\\n");\n\tBIO_printf (bio_err, "-nocerts don\'t output certificates.\\n");\n\tBIO_printf (bio_err, "-clcerts only output client certificates.\\n");\n\tBIO_printf (bio_err, "-cacerts only output CA certificates.\\n");\n\tBIO_printf (bio_err, "-nokeys don\'t output private keys.\\n");\n\tBIO_printf (bio_err, "-info give info about PKCS#12 structure.\\n");\n\tBIO_printf (bio_err, "-des encrypt private keys with DES\\n");\n\tBIO_printf (bio_err, "-des3 encrypt private keys with triple DES (default)\\n");\n#ifndef NO_IDEA\n\tBIO_printf (bio_err, "-idea encrypt private keys with idea\\n");\n#endif\n\tBIO_printf (bio_err, "-nodes don\'t encrypt private keys\\n");\n\tBIO_printf (bio_err, "-noiter don\'t use encryption iteration\\n");\n\tBIO_printf (bio_err, "-maciter use MAC iteration\\n");\n\tBIO_printf (bio_err, "-twopass separate MAC, encryption passwords\\n");\n\tBIO_printf (bio_err, "-descert encrypt PKCS#12 certificates with triple DES (default RC2-40)\\n");\n\tBIO_printf (bio_err, "-certpbe alg specify certificate PBE algorithm (default RC2-40)\\n");\n\tBIO_printf (bio_err, "-keypbe alg specify private key PBE algorithm (default 3DES)\\n");\n\tBIO_printf (bio_err, "-keyex set MS key exchange type\\n");\n\tBIO_printf (bio_err, "-keysig set MS key signature type\\n");\n\tBIO_printf (bio_err, "-password p set import/export password (NOT RECOMMENDED)\\n");\n\tBIO_printf (bio_err, "-envpass p set import/export password from environment\\n");\n\tBIO_printf (bio_err, "-passin p input file pass phrase\\n");\n\tBIO_printf (bio_err, "-envpassin p environment variable containing input file pass phrase\\n");\n\tBIO_printf (bio_err, "-passout p output file pass phrase\\n");\n\tBIO_printf (bio_err, "-envpassout p environment variable containing output file pass phrase\\n");\n\tBIO_printf(bio_err, "-rand file:file:...\\n");\n\tBIO_printf(bio_err, " load the file (or the files in the directory) into\\n");\n\tBIO_printf(bio_err, " the random number generator\\n");\n \tgoto end;\n }\n if(!cpass) {\n \tif(export_cert) cpass = passout;\n \telse cpass = passin;\n }\n if(cpass) {\n\tmpass = cpass;\n\tnoprompt = 1;\n } else {\n\tcpass = pass;\n\tmpass = macpass;\n }\n if(export_cert || inrand) {\n \tapp_RAND_load_file(NULL, bio_err, (inrand != NULL));\n if (inrand != NULL)\n\t\tBIO_printf(bio_err,"%ld semi-random bytes loaded\\n",\n\t\t\tapp_RAND_load_files(inrand));\n }\n ERR_load_crypto_strings();\n#ifdef CRYPTO_MDEBUG\n CRYPTO_push_info("read files");\n#endif\n if (!infile) in = BIO_new_fp(stdin, BIO_NOCLOSE);\n else in = BIO_new_file(infile, "rb");\n if (!in) {\n\t BIO_printf(bio_err, "Error opening input file %s\\n",\n\t\t\t\t\t\tinfile ? infile : "<stdin>");\n\t perror (infile);\n\t goto end;\n }\n if (certfile) {\n \tif(!(certsin = BIO_new_file(certfile, "r"))) {\n\t BIO_printf(bio_err, "Can\'t open certificate file %s\\n", certfile);\n\t perror (certfile);\n\t goto end;\n\t}\n }\n if (keyname) {\n \tif(!(inkey = BIO_new_file(keyname, "r"))) {\n\t BIO_printf(bio_err, "Can\'t key certificate file %s\\n", keyname);\n\t perror (keyname);\n\t goto end;\n\t}\n }\n#ifdef CRYPTO_MDEBUG\n CRYPTO_pop_info();\n CRYPTO_push_info("write files");\n#endif\n if (!outfile) out = BIO_new_fp(stdout, BIO_NOCLOSE);\n else out = BIO_new_file(outfile, "wb");\n if (!out) {\n\tBIO_printf(bio_err, "Error opening output file %s\\n",\n\t\t\t\t\t\toutfile ? outfile : "<stdout>");\n\tperror (outfile);\n\tgoto end;\n }\n if (twopass) {\n#ifdef CRYPTO_MDEBUG\n CRYPTO_push_info("read MAC password");\n#endif\n\tif(EVP_read_pw_string (macpass, 50, "Enter MAC Password:", export_cert))\n\t{\n \t BIO_printf (bio_err, "Can\'t read Password\\n");\n \t goto end;\n \t}\n#ifdef CRYPTO_MDEBUG\n CRYPTO_pop_info();\n#endif\n }\n if (export_cert) {\n\tEVP_PKEY *key;\n\tSTACK *bags, *safes;\n\tPKCS12_SAFEBAG *bag;\n\tPKCS8_PRIV_KEY_INFO *p8;\n\tPKCS7 *authsafe;\n\tX509 *ucert = NULL;\n\tSTACK_OF(X509) *certs=NULL;\n\tchar *catmp;\n\tint i;\n\tunsigned char keyid[EVP_MAX_MD_SIZE];\n\tunsigned int keyidlen = 0;\n#ifdef CRYPTO_MDEBUG\n\tCRYPTO_push_info("process -export_cert");\n#endif\n\tkey = PEM_read_bio_PrivateKey(inkey ? inkey : in, NULL, PEM_cb, passin);\n\tif (!inkey) (void) BIO_reset(in);\n\telse BIO_free(inkey);\n\tif (!key) {\n\t\tBIO_printf (bio_err, "Error loading private key\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t}\n\tcerts = sk_X509_new(NULL);\n\tif(!cert_load(in, certs)) {\n\t\tBIO_printf(bio_err, "Error loading certificates from input\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t}\n\tfor(i = 0; i < sk_X509_num(certs); i++) {\n\t\tucert = sk_X509_value(certs, i);\n\t\tif(X509_check_private_key(ucert, key)) {\n\t\t\tX509_digest(ucert, EVP_sha1(), keyid, &keyidlen);\n\t\t\tbreak;\n\t\t}\n\t}\n\tif(!keyidlen) {\n\t\tBIO_printf(bio_err, "No certificate matches private key\\n");\n\t\tgoto end;\n\t}\n\tbags = sk_new (NULL);\n\tif (certsin) {\n\t\tif(!cert_load(certsin, certs)) {\n\t\t\tBIO_printf(bio_err, "Error loading certificates from certfile\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t}\n\t \tBIO_free(certsin);\n \t}\n\tif (chain) {\n \tint vret;\n\t\tSTACK_OF(X509) *chain2;\n\t\tvret = get_cert_chain (ucert, &chain2);\n\t\tif (vret) {\n\t\t\tBIO_printf (bio_err, "Error %s getting chain.\\n",\n\t\t\t\t\tX509_verify_cert_error_string(vret));\n\t\t\tgoto end;\n\t\t}\n\t\tfor (i = 1; i < sk_X509_num (chain2) ; i++)\n\t\t\t\t sk_X509_push(certs, sk_X509_value (chain2, i));\n\t\tsk_X509_free(chain2);\n \t}\n\tfor(i = 0; i < sk_X509_num(certs); i++) {\n\t\tX509 *cert = NULL;\n\t\tcert = sk_X509_value(certs, i);\n\t\tbag = M_PKCS12_x5092certbag(cert);\n\t\tif(cert == ucert) {\n\t\t\tif(name) PKCS12_add_friendlyname(bag, name, -1);\n\t\t\tPKCS12_add_localkeyid(bag, keyid, keyidlen);\n\t\t} else if((catmp = sk_shift(canames)))\n\t\t\t\tPKCS12_add_friendlyname(bag, catmp, -1);\n\t\tsk_push(bags, (char *)bag);\n\t}\n\tsk_X509_pop_free(certs, X509_free);\n\tif (canames) sk_free(canames);\n\tif(!noprompt &&\n\t\tEVP_read_pw_string(pass, 50, "Enter Export Password:", 1)) {\n\t BIO_printf (bio_err, "Can\'t read Password\\n");\n\t goto end;\n }\n\tif (!twopass) strcpy(macpass, pass);\n\tauthsafe = PKCS12_pack_p7encdata(cert_pbe, cpass, -1, NULL, 0,\n\t\t\t\t\t\t\t\t iter, bags);\n\tsk_pop_free(bags, PKCS12_SAFEBAG_free);\n\tif (!authsafe) {\n\t\tERR_print_errors (bio_err);\n\t\tgoto end;\n\t}\n\tsafes = sk_new (NULL);\n\tsk_push (safes, (char *)authsafe);\n\tp8 = EVP_PKEY2PKCS8 (key);\n\tEVP_PKEY_free(key);\n\tif(keytype) PKCS8_add_keyusage(p8, keytype);\n\tbag = PKCS12_MAKE_SHKEYBAG(key_pbe, cpass, -1, NULL, 0, iter, p8);\n\tPKCS8_PRIV_KEY_INFO_free(p8);\n if (name) PKCS12_add_friendlyname (bag, name, -1);\n\tPKCS12_add_localkeyid (bag, keyid, keyidlen);\n\tbags = sk_new(NULL);\n\tsk_push (bags, (char *)bag);\n\tauthsafe = PKCS12_pack_p7data (bags);\n\tsk_pop_free(bags, PKCS12_SAFEBAG_free);\n\tsk_push (safes, (char *)authsafe);\n\tp12 = PKCS12_init (NID_pkcs7_data);\n\tM_PKCS12_pack_authsafes (p12, safes);\n\tsk_pop_free(safes, PKCS7_free);\n\tPKCS12_set_mac (p12, mpass, -1, NULL, 0, maciter, NULL);\n\ti2d_PKCS12_bio (out, p12);\n\tPKCS12_free(p12);\n\tret = 0;\n#ifdef CRYPTO_MDEBUG\n\tCRYPTO_pop_info();\n#endif\n\tgoto end;\n }\n if (!(p12 = d2i_PKCS12_bio (in, NULL))) {\n\tERR_print_errors(bio_err);\n\tgoto end;\n }\n#ifdef CRYPTO_MDEBUG\n CRYPTO_push_info("read import password");\n#endif\n if(!noprompt && EVP_read_pw_string(pass, 50, "Enter Import Password:", 0)) {\n\tBIO_printf (bio_err, "Can\'t read Password\\n");\n\tgoto end;\n }\n#ifdef CRYPTO_MDEBUG\n CRYPTO_pop_info();\n#endif\n if (!twopass) strcpy(macpass, pass);\n if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);\n if(macver) {\n#ifdef CRYPTO_MDEBUG\n CRYPTO_push_info("verify MAC");\n#endif\n\tif (!PKCS12_verify_mac (p12, mpass, -1)) {\n\t BIO_printf (bio_err, "Mac verify error: invalid password?\\n");\n\t ERR_print_errors (bio_err);\n\t goto end;\n\t} else BIO_printf (bio_err, "MAC verified OK\\n");\n#ifdef CRYPTO_MDEBUG\n CRYPTO_pop_info();\n#endif\n }\n#ifdef CRYPTO_MDEBUG\n CRYPTO_push_info("output keys and certificates");\n#endif\n if (!dump_certs_keys_p12 (out, p12, cpass, -1, options, passout)) {\n\tBIO_printf(bio_err, "Error outputting keys and certificates\\n");\n\tERR_print_errors (bio_err);\n\tgoto end;\n }\n#ifdef CRYPTO_MDEBUG\n CRYPTO_pop_info();\n#endif\n PKCS12_free(p12);\n ret = 0;\n end:\n if(export_cert || inrand) app_RAND_write_file(NULL, bio_err);\n#ifdef CRYPTO_MDEBUG\n CRYPTO_remove_all_info();\n#endif\n BIO_free(in);\n BIO_free(out);\n EXIT(ret);\n}', "int EVP_read_pw_string(char *buf, int len, const char *prompt, int verify)\n\t{\n#ifndef NO_DES\n\tif ((prompt == NULL) && (prompt_string[0] != '\\0'))\n\t\tprompt=prompt_string;\n\treturn(des_read_pw_string(buf,len,prompt,verify));\n#else\n\treturn -1;\n#endif\n\t}", 'int des_read_pw_string(char *buf, int length, const char *prompt,\n\t int verify)\n\t{\n\tchar buff[BUFSIZ];\n\tint ret;\n\tret=des_read_pw(buf,buff,(length>BUFSIZ)?BUFSIZ:length,prompt,verify);\n\tmemset(buff,0,BUFSIZ);\n\treturn(ret);\n\t}', 'int des_read_pw(char *buf, char *buff, int size, const char *prompt,\n\t int verify)\n\t{\n#ifdef VMS\n\tstruct IOSB iosb;\n\t$DESCRIPTOR(terminal,"TT");\n\tlong tty_orig[3], tty_new[3];\n\tlong status;\n\tunsigned short channel = 0;\n#else\n#ifndef MSDOS\n\tTTY_STRUCT tty_orig,tty_new;\n#endif\n#endif\n\tint number;\n\tint ok;\n\tstatic int ps;\n\tint is_a_tty;\n\tstatic FILE *tty;\n\tchar *p;\n\tif (setjmp(save))\n\t\t{\n\t\tok=0;\n\t\tgoto error;\n\t\t}\n\tnumber=5;\n\tok=0;\n\tps=0;\n\tis_a_tty=1;\n\ttty=NULL;\n#ifndef MSDOS\n\tif ((tty=fopen("/dev/tty","r")) == NULL)\n\t\ttty=stdin;\n#else\n\tif ((tty=fopen("con","r")) == NULL)\n\t\ttty=stdin;\n#endif\n#if defined(TTY_get) && !defined(VMS)\n\tif (TTY_get(fileno(tty),&tty_orig) == -1)\n\t\t{\n#ifdef ENOTTY\n\t\tif (errno == ENOTTY)\n\t\t\tis_a_tty=0;\n\t\telse\n#endif\n#ifdef EINVAL\n\t\tif (errno == EINVAL)\n\t\t\tis_a_tty=0;\n\t\telse\n#endif\n\t\t\treturn(-1);\n\t\t}\n\tmemcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));\n#endif\n#ifdef VMS\n\tstatus = sys$assign(&terminal,&channel,0,0);\n\tif (status != SS$_NORMAL)\n\t\treturn(-1);\n\tstatus=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);\n\tif ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))\n\t\treturn(-1);\n#endif\n\tpushsig();\n\tps=1;\n#ifdef TTY_FLAGS\n\ttty_new.TTY_FLAGS &= ~ECHO;\n#endif\n#if defined(TTY_set) && !defined(VMS)\n\tif (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))\n\t\treturn(-1);\n#endif\n#ifdef VMS\n\ttty_new[0] = tty_orig[0];\n\ttty_new[1] = tty_orig[1] | TT$M_NOECHO;\n\ttty_new[2] = tty_orig[2];\n\tstatus = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);\n\tif ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))\n\t\treturn(-1);\n#endif\n\tps=2;\n\twhile ((!ok) && (number--))\n\t\t{\n\t\tfputs(prompt,stderr);\n\t\tfflush(stderr);\n\t\tbuf[0]=\'\\0\';\n\t\tfgets(buf,size,tty);\n\t\tif (feof(tty)) goto error;\n\t\tif (ferror(tty)) goto error;\n\t\tif ((p=(char *)strchr(buf,\'\\n\')) != NULL)\n\t\t\t*p=\'\\0\';\n\t\telse\tread_till_nl(tty);\n\t\tif (verify)\n\t\t\t{\n\t\t\tfprintf(stderr,"\\nVerifying password - %s",prompt);\n\t\t\tfflush(stderr);\n\t\t\tbuff[0]=\'\\0\';\n\t\t\tfgets(buff,size,tty);\n\t\t\tif (feof(tty)) goto error;\n\t\t\tif ((p=(char *)strchr(buff,\'\\n\')) != NULL)\n\t\t\t\t*p=\'\\0\';\n\t\t\telse\tread_till_nl(tty);\n\t\t\tif (strcmp(buf,buff) != 0)\n\t\t\t\t{\n\t\t\t\tfprintf(stderr,"\\nVerify failure");\n\t\t\t\tfflush(stderr);\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\tok=1;\n\t\t}\nerror:\n\tfprintf(stderr,"\\n");\n#ifdef DEBUG\n\tperror("fgets(tty)");\n#endif\n#if defined(TTY_set) && !defined(VMS)\n\tif (ps >= 2) TTY_set(fileno(tty),&tty_orig);\n#endif\n#ifdef VMS\n\tif (ps >= 2)\n\t\tstatus = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0\n\t\t\t,tty_orig,12,0,0,0,0);\n#endif\n\tif (ps >= 1) popsig();\n\tif (stdin != tty) fclose(tty);\n#ifdef VMS\n\tstatus = sys$dassgn(channel);\n#endif\n\treturn(!ok);\n\t}'] |
21,500 | 0 | https://github.com/openssl/openssl/blob/02cba628daa7fea959c561531a8a984756bdf41c/ssl/ssl_lib.c/#L2884 | CERT_PKEY *ssl_get_server_send_pkey(SSL *s)
{
CERT *c;
int i;
c = s->cert;
if (!s->s3 || !s->s3->tmp.new_cipher)
return NULL;
ssl_set_masks(s);
i = ssl_get_server_cert_index(s);
if (i < 0)
return NULL;
return &c->pkeys[i];
} | ['CERT_PKEY *ssl_get_server_send_pkey(SSL *s)\n{\n CERT *c;\n int i;\n c = s->cert;\n if (!s->s3 || !s->s3->tmp.new_cipher)\n return NULL;\n ssl_set_masks(s);\n i = ssl_get_server_cert_index(s);\n if (i < 0)\n return NULL;\n return &c->pkeys[i];\n}', 'static int ssl_get_server_cert_index(const SSL *s)\n{\n int idx;\n if (SSL_IS_TLS13(s)) {\n if (s->s3->tmp.sigalg == NULL) {\n SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);\n return -1;\n }\n return s->s3->tmp.cert_idx;\n }\n idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);\n if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509)\n idx = SSL_PKEY_RSA_SIGN;\n if (idx == SSL_PKEY_GOST_EC) {\n if (s->cert->pkeys[SSL_PKEY_GOST12_512].x509)\n idx = SSL_PKEY_GOST12_512;\n else if (s->cert->pkeys[SSL_PKEY_GOST12_256].x509)\n idx = SSL_PKEY_GOST12_256;\n else if (s->cert->pkeys[SSL_PKEY_GOST01].x509)\n idx = SSL_PKEY_GOST01;\n else\n idx = -1;\n }\n if (idx == -1)\n SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);\n return idx;\n}'] |
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