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 |
|---|---|---|---|---|
15,601 | 0 | https://github.com/libav/libav/blob/cf6bae6883607f83f3b042b7b9d711197f736e2a/libavcodec/mpegaudiodec.c/#L712 | static void dct32(int32_t *out, int32_t *tab)
{
int tmp0, tmp1;
BF( 0, 31, COS0_0 , 1);
BF(15, 16, COS0_15, 5);
BF( 0, 15, COS1_0 , 1);
BF(16, 31,-COS1_0 , 1);
BF( 7, 24, COS0_7 , 1);
BF( 8, 23, COS0_8 , 1);
BF( 7, 8, COS1_7 , 4);
BF(23, 24,-COS1_7 , 4);
BF( 0, 7, COS2_0 , 1);
BF( 8, 15,-COS2_0 , 1);
BF(16, 23, COS2_0 , 1);
BF(24, 31,-COS2_0 , 1);
BF( 3, 28, COS0_3 , 1);
BF(12, 19, COS0_12, 2);
BF( 3, 12, COS1_3 , 1);
BF(19, 28,-COS1_3 , 1);
BF( 4, 27, COS0_4 , 1);
BF(11, 20, COS0_11, 2);
BF( 4, 11, COS1_4 , 1);
BF(20, 27,-COS1_4 , 1);
BF( 3, 4, COS2_3 , 3);
BF(11, 12,-COS2_3 , 3);
BF(19, 20, COS2_3 , 3);
BF(27, 28,-COS2_3 , 3);
BF( 0, 3, COS3_0 , 1);
BF( 4, 7,-COS3_0 , 1);
BF( 8, 11, COS3_0 , 1);
BF(12, 15,-COS3_0 , 1);
BF(16, 19, COS3_0 , 1);
BF(20, 23,-COS3_0 , 1);
BF(24, 27, COS3_0 , 1);
BF(28, 31,-COS3_0 , 1);
BF( 1, 30, COS0_1 , 1);
BF(14, 17, COS0_14, 3);
BF( 1, 14, COS1_1 , 1);
BF(17, 30,-COS1_1 , 1);
BF( 6, 25, COS0_6 , 1);
BF( 9, 22, COS0_9 , 1);
BF( 6, 9, COS1_6 , 2);
BF(22, 25,-COS1_6 , 2);
BF( 1, 6, COS2_1 , 1);
BF( 9, 14,-COS2_1 , 1);
BF(17, 22, COS2_1 , 1);
BF(25, 30,-COS2_1 , 1);
BF( 2, 29, COS0_2 , 1);
BF(13, 18, COS0_13, 3);
BF( 2, 13, COS1_2 , 1);
BF(18, 29,-COS1_2 , 1);
BF( 5, 26, COS0_5 , 1);
BF(10, 21, COS0_10, 1);
BF( 5, 10, COS1_5 , 2);
BF(21, 26,-COS1_5 , 2);
BF( 2, 5, COS2_2 , 1);
BF(10, 13,-COS2_2 , 1);
BF(18, 21, COS2_2 , 1);
BF(26, 29,-COS2_2 , 1);
BF( 1, 2, COS3_1 , 2);
BF( 5, 6,-COS3_1 , 2);
BF( 9, 10, COS3_1 , 2);
BF(13, 14,-COS3_1 , 2);
BF(17, 18, COS3_1 , 2);
BF(21, 22,-COS3_1 , 2);
BF(25, 26, COS3_1 , 2);
BF(29, 30,-COS3_1 , 2);
BF1( 0, 1, 2, 3);
BF2( 4, 5, 6, 7);
BF1( 8, 9, 10, 11);
BF2(12, 13, 14, 15);
BF1(16, 17, 18, 19);
BF2(20, 21, 22, 23);
BF1(24, 25, 26, 27);
BF2(28, 29, 30, 31);
ADD( 8, 12);
ADD(12, 10);
ADD(10, 14);
ADD(14, 9);
ADD( 9, 13);
ADD(13, 11);
ADD(11, 15);
out[ 0] = tab[0];
out[16] = tab[1];
out[ 8] = tab[2];
out[24] = tab[3];
out[ 4] = tab[4];
out[20] = tab[5];
out[12] = tab[6];
out[28] = tab[7];
out[ 2] = tab[8];
out[18] = tab[9];
out[10] = tab[10];
out[26] = tab[11];
out[ 6] = tab[12];
out[22] = tab[13];
out[14] = tab[14];
out[30] = tab[15];
ADD(24, 28);
ADD(28, 26);
ADD(26, 30);
ADD(30, 25);
ADD(25, 29);
ADD(29, 27);
ADD(27, 31);
out[ 1] = tab[16] + tab[24];
out[17] = tab[17] + tab[25];
out[ 9] = tab[18] + tab[26];
out[25] = tab[19] + tab[27];
out[ 5] = tab[20] + tab[28];
out[21] = tab[21] + tab[29];
out[13] = tab[22] + tab[30];
out[29] = tab[23] + tab[31];
out[ 3] = tab[24] + tab[20];
out[19] = tab[25] + tab[21];
out[11] = tab[26] + tab[22];
out[27] = tab[27] + tab[23];
out[ 7] = tab[28] + tab[18];
out[23] = tab[29] + tab[19];
out[15] = tab[30] + tab[17];
out[31] = tab[31];
} | ['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 register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset;\n OUT_INT *samples2;\n#if FRAC_BITS <= 15\n int32_t tmp[32];\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n#if FRAC_BITS <= 15\n dct32(tmp, sb_samples);\n for(j=0;j<32;j++) {\n synth_buf[j] = av_clip_int16(tmp[j]);\n }\n#else\n dct32(synth_buf, sb_samples);\n#endif\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}', 'static void dct32(int32_t *out, int32_t *tab)\n{\n int tmp0, tmp1;\n BF( 0, 31, COS0_0 , 1);\n BF(15, 16, COS0_15, 5);\n BF( 0, 15, COS1_0 , 1);\n BF(16, 31,-COS1_0 , 1);\n BF( 7, 24, COS0_7 , 1);\n BF( 8, 23, COS0_8 , 1);\n BF( 7, 8, COS1_7 , 4);\n BF(23, 24,-COS1_7 , 4);\n BF( 0, 7, COS2_0 , 1);\n BF( 8, 15,-COS2_0 , 1);\n BF(16, 23, COS2_0 , 1);\n BF(24, 31,-COS2_0 , 1);\n BF( 3, 28, COS0_3 , 1);\n BF(12, 19, COS0_12, 2);\n BF( 3, 12, COS1_3 , 1);\n BF(19, 28,-COS1_3 , 1);\n BF( 4, 27, COS0_4 , 1);\n BF(11, 20, COS0_11, 2);\n BF( 4, 11, COS1_4 , 1);\n BF(20, 27,-COS1_4 , 1);\n BF( 3, 4, COS2_3 , 3);\n BF(11, 12,-COS2_3 , 3);\n BF(19, 20, COS2_3 , 3);\n BF(27, 28,-COS2_3 , 3);\n BF( 0, 3, COS3_0 , 1);\n BF( 4, 7,-COS3_0 , 1);\n BF( 8, 11, COS3_0 , 1);\n BF(12, 15,-COS3_0 , 1);\n BF(16, 19, COS3_0 , 1);\n BF(20, 23,-COS3_0 , 1);\n BF(24, 27, COS3_0 , 1);\n BF(28, 31,-COS3_0 , 1);\n BF( 1, 30, COS0_1 , 1);\n BF(14, 17, COS0_14, 3);\n BF( 1, 14, COS1_1 , 1);\n BF(17, 30,-COS1_1 , 1);\n BF( 6, 25, COS0_6 , 1);\n BF( 9, 22, COS0_9 , 1);\n BF( 6, 9, COS1_6 , 2);\n BF(22, 25,-COS1_6 , 2);\n BF( 1, 6, COS2_1 , 1);\n BF( 9, 14,-COS2_1 , 1);\n BF(17, 22, COS2_1 , 1);\n BF(25, 30,-COS2_1 , 1);\n BF( 2, 29, COS0_2 , 1);\n BF(13, 18, COS0_13, 3);\n BF( 2, 13, COS1_2 , 1);\n BF(18, 29,-COS1_2 , 1);\n BF( 5, 26, COS0_5 , 1);\n BF(10, 21, COS0_10, 1);\n BF( 5, 10, COS1_5 , 2);\n BF(21, 26,-COS1_5 , 2);\n BF( 2, 5, COS2_2 , 1);\n BF(10, 13,-COS2_2 , 1);\n BF(18, 21, COS2_2 , 1);\n BF(26, 29,-COS2_2 , 1);\n BF( 1, 2, COS3_1 , 2);\n BF( 5, 6,-COS3_1 , 2);\n BF( 9, 10, COS3_1 , 2);\n BF(13, 14,-COS3_1 , 2);\n BF(17, 18, COS3_1 , 2);\n BF(21, 22,-COS3_1 , 2);\n BF(25, 26, COS3_1 , 2);\n BF(29, 30,-COS3_1 , 2);\n BF1( 0, 1, 2, 3);\n BF2( 4, 5, 6, 7);\n BF1( 8, 9, 10, 11);\n BF2(12, 13, 14, 15);\n BF1(16, 17, 18, 19);\n BF2(20, 21, 22, 23);\n BF1(24, 25, 26, 27);\n BF2(28, 29, 30, 31);\n ADD( 8, 12);\n ADD(12, 10);\n ADD(10, 14);\n ADD(14, 9);\n ADD( 9, 13);\n ADD(13, 11);\n ADD(11, 15);\n out[ 0] = tab[0];\n out[16] = tab[1];\n out[ 8] = tab[2];\n out[24] = tab[3];\n out[ 4] = tab[4];\n out[20] = tab[5];\n out[12] = tab[6];\n out[28] = tab[7];\n out[ 2] = tab[8];\n out[18] = tab[9];\n out[10] = tab[10];\n out[26] = tab[11];\n out[ 6] = tab[12];\n out[22] = tab[13];\n out[14] = tab[14];\n out[30] = tab[15];\n ADD(24, 28);\n ADD(28, 26);\n ADD(26, 30);\n ADD(30, 25);\n ADD(25, 29);\n ADD(29, 27);\n ADD(27, 31);\n out[ 1] = tab[16] + tab[24];\n out[17] = tab[17] + tab[25];\n out[ 9] = tab[18] + tab[26];\n out[25] = tab[19] + tab[27];\n out[ 5] = tab[20] + tab[28];\n out[21] = tab[21] + tab[29];\n out[13] = tab[22] + tab[30];\n out[29] = tab[23] + tab[31];\n out[ 3] = tab[24] + tab[20];\n out[19] = tab[25] + tab[21];\n out[11] = tab[26] + tab[22];\n out[27] = tab[27] + tab[23];\n out[ 7] = tab[28] + tab[18];\n out[23] = tab[29] + tab[19];\n out[15] = tab[30] + tab[17];\n out[31] = tab[31];\n}'] |
15,602 | 0 | https://github.com/nginx/nginx/blob/e5b2d3c6b2a132bbbbac0249566f0da7ff12bc39/src/core/ngx_slab.c/#L464 | void
ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)
{
size_t size;
uintptr_t slab, m, *bitmap;
ngx_uint_t n, type, slot, shift, map;
ngx_slab_page_t *slots, *page;
ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p);
if ((u_char *) p < pool->start || (u_char *) p > pool->end) {
ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool");
goto fail;
}
n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
page = &pool->pages[n];
slab = page->slab;
type = page->prev & NGX_SLAB_PAGE_MASK;
switch (type) {
case NGX_SLAB_SMALL:
shift = slab & NGX_SLAB_SHIFT_MASK;
size = 1 << shift;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift;
m = (uintptr_t) 1 << (n & (sizeof(uintptr_t) * 8 - 1));
n /= (sizeof(uintptr_t) * 8);
bitmap = (uintptr_t *) ((uintptr_t) p & ~(ngx_pagesize - 1));
if (bitmap[n] & m) {
if (page->next == NULL) {
slots = (ngx_slab_page_t *)
((u_char *) pool + sizeof(ngx_slab_pool_t));
slot = shift - pool->min_shift;
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL;
page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL;
}
bitmap[n] &= ~m;
n = (1 << (ngx_pagesize_shift - shift)) / 8 / (1 << shift);
if (n == 0) {
n = 1;
}
if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) {
goto done;
}
map = (1 << (ngx_pagesize_shift - shift)) / (sizeof(uintptr_t) * 8);
for (n = 1; n < map; n++) {
if (bitmap[n]) {
goto done;
}
}
ngx_slab_free_pages(pool, page, 1);
goto done;
}
goto chunk_already_free;
case NGX_SLAB_EXACT:
m = (uintptr_t) 1 <<
(((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift);
size = ngx_slab_exact_size;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
if (slab & m) {
if (slab == NGX_SLAB_BUSY) {
slots = (ngx_slab_page_t *)
((u_char *) pool + sizeof(ngx_slab_pool_t));
slot = ngx_slab_exact_shift - pool->min_shift;
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;
page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;
}
page->slab &= ~m;
if (page->slab) {
goto done;
}
ngx_slab_free_pages(pool, page, 1);
goto done;
}
goto chunk_already_free;
case NGX_SLAB_BIG:
shift = slab & NGX_SLAB_SHIFT_MASK;
size = 1 << shift;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift)
+ NGX_SLAB_MAP_SHIFT);
if (slab & m) {
if (page->next == NULL) {
slots = (ngx_slab_page_t *)
((u_char *) pool + sizeof(ngx_slab_pool_t));
slot = shift - pool->min_shift;
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG;
page->next->prev = (uintptr_t) page | NGX_SLAB_BIG;
}
page->slab &= ~m;
if (page->slab & NGX_SLAB_MAP_MASK) {
goto done;
}
ngx_slab_free_pages(pool, page, 1);
goto done;
}
goto chunk_already_free;
case NGX_SLAB_PAGE:
if ((uintptr_t) p & (ngx_pagesize - 1)) {
goto wrong_chunk;
}
if (slab == NGX_SLAB_PAGE_FREE) {
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): page is already free");
goto fail;
}
if (slab == NGX_SLAB_PAGE_BUSY) {
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): pointer to wrong page");
goto fail;
}
n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
size = slab & ~NGX_SLAB_PAGE_START;
ngx_slab_free_pages(pool, &pool->pages[n], size);
ngx_slab_junk(p, size << ngx_pagesize_shift);
return;
}
return;
done:
ngx_slab_junk(p, size);
return;
wrong_chunk:
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): pointer to wrong chunk");
goto fail;
chunk_already_free:
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): chunk is already free");
fail:
return;
} | ['static time_t\nngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache)\n{\n u_char *name;\n size_t len;\n time_t wait;\n ngx_uint_t tries;\n ngx_path_t *path;\n ngx_queue_t *q;\n ngx_http_file_cache_node_t *fcn;\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,\n "http file cache forced expire");\n path = cache->path;\n len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN;\n name = ngx_alloc(len + 1, ngx_cycle->log);\n if (name == NULL) {\n return 10;\n }\n ngx_memcpy(name, path->name.data, path->name.len);\n wait = 10;\n tries = 0;\n ngx_shmtx_lock(&cache->shpool->mutex);\n for (q = ngx_queue_last(&cache->sh->queue);\n q != ngx_queue_sentinel(&cache->sh->queue);\n q = ngx_queue_prev(q))\n {\n fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);\n ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,\n "http file cache forced expire: #%d %d %02xd%02xd%02xd%02xd",\n fcn->count, fcn->exists,\n fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);\n if (fcn->count) {\n if (tries++ < 20) {\n continue;\n }\n wait = 1;\n break;\n }\n if (!fcn->exists) {\n ngx_queue_remove(q);\n ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);\n ngx_slab_free_locked(cache->shpool, fcn);\n break;\n }\n ngx_http_file_cache_delete(cache, q, name);\n break;\n }\n ngx_shmtx_unlock(&cache->shpool->mutex);\n ngx_free(name);\n return wait;\n}', 'void\nngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)\n{\n size_t size;\n uintptr_t slab, m, *bitmap;\n ngx_uint_t n, type, slot, shift, map;\n ngx_slab_page_t *slots, *page;\n ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p);\n if ((u_char *) p < pool->start || (u_char *) p > pool->end) {\n ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool");\n goto fail;\n }\n n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;\n page = &pool->pages[n];\n slab = page->slab;\n type = page->prev & NGX_SLAB_PAGE_MASK;\n switch (type) {\n case NGX_SLAB_SMALL:\n shift = slab & NGX_SLAB_SHIFT_MASK;\n size = 1 << shift;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift;\n m = (uintptr_t) 1 << (n & (sizeof(uintptr_t) * 8 - 1));\n n /= (sizeof(uintptr_t) * 8);\n bitmap = (uintptr_t *) ((uintptr_t) p & ~(ngx_pagesize - 1));\n if (bitmap[n] & m) {\n if (page->next == NULL) {\n slots = (ngx_slab_page_t *)\n ((u_char *) pool + sizeof(ngx_slab_pool_t));\n slot = shift - pool->min_shift;\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL;\n page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL;\n }\n bitmap[n] &= ~m;\n n = (1 << (ngx_pagesize_shift - shift)) / 8 / (1 << shift);\n if (n == 0) {\n n = 1;\n }\n if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) {\n goto done;\n }\n map = (1 << (ngx_pagesize_shift - shift)) / (sizeof(uintptr_t) * 8);\n for (n = 1; n < map; n++) {\n if (bitmap[n]) {\n goto done;\n }\n }\n ngx_slab_free_pages(pool, page, 1);\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_EXACT:\n m = (uintptr_t) 1 <<\n (((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift);\n size = ngx_slab_exact_size;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n if (slab & m) {\n if (slab == NGX_SLAB_BUSY) {\n slots = (ngx_slab_page_t *)\n ((u_char *) pool + sizeof(ngx_slab_pool_t));\n slot = ngx_slab_exact_shift - pool->min_shift;\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;\n page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;\n }\n page->slab &= ~m;\n if (page->slab) {\n goto done;\n }\n ngx_slab_free_pages(pool, page, 1);\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_BIG:\n shift = slab & NGX_SLAB_SHIFT_MASK;\n size = 1 << shift;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift)\n + NGX_SLAB_MAP_SHIFT);\n if (slab & m) {\n if (page->next == NULL) {\n slots = (ngx_slab_page_t *)\n ((u_char *) pool + sizeof(ngx_slab_pool_t));\n slot = shift - pool->min_shift;\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG;\n page->next->prev = (uintptr_t) page | NGX_SLAB_BIG;\n }\n page->slab &= ~m;\n if (page->slab & NGX_SLAB_MAP_MASK) {\n goto done;\n }\n ngx_slab_free_pages(pool, page, 1);\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_PAGE:\n if ((uintptr_t) p & (ngx_pagesize - 1)) {\n goto wrong_chunk;\n }\n if (slab == NGX_SLAB_PAGE_FREE) {\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): page is already free");\n goto fail;\n }\n if (slab == NGX_SLAB_PAGE_BUSY) {\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): pointer to wrong page");\n goto fail;\n }\n n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;\n size = slab & ~NGX_SLAB_PAGE_START;\n ngx_slab_free_pages(pool, &pool->pages[n], size);\n ngx_slab_junk(p, size << ngx_pagesize_shift);\n return;\n }\n return;\ndone:\n ngx_slab_junk(p, size);\n return;\nwrong_chunk:\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): pointer to wrong chunk");\n goto fail;\nchunk_already_free:\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): chunk is already free");\nfail:\n return;\n}'] |
15,603 | 0 | https://github.com/libav/libav/blob/2f99117f6ff24ce5be2abb9e014cb8b86c2aa0e0/libavcodec/bitstream.h/#L68 | static inline void refill_32(BitstreamContext *bc)
{
if (bc->ptr >= bc->buffer_end)
return;
#ifdef BITSTREAM_READER_LE
bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;
#else
bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);
#endif
bc->ptr += 4;
bc->bits_left += 32;
} | ['static MacroBlock decode_macroblock(Escape124Context *s, BitstreamContext *bc,\n int *codebook_index, int superblock_index)\n{\n unsigned block_index, depth;\n int value = bitstream_read_bit(bc);\n if (value) {\n static const char transitions[3][2] = { {2, 1}, {0, 2}, {1, 0} };\n value = bitstream_read_bit(bc);\n *codebook_index = transitions[*codebook_index][value];\n }\n depth = s->codebooks[*codebook_index].depth;\n block_index = bitstream_read(bc, depth);\n if (*codebook_index == 1) {\n block_index += superblock_index << s->codebooks[1].depth;\n }\n if (block_index >= s->codebooks[*codebook_index].size)\n return (MacroBlock) { { 0 } };\n return s->codebooks[*codebook_index].blocks[block_index];\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n if (!bc->bits_left)\n refill_64(bc);\n return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}', '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 void refill_32(BitstreamContext *bc)\n{\n if (bc->ptr >= bc->buffer_end)\n return;\n#ifdef BITSTREAM_READER_LE\n bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;\n#else\n bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);\n#endif\n bc->ptr += 4;\n bc->bits_left += 32;\n}'] |
15,604 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/evp/e_aes.c/#L1880 | static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
{
EVP_AES_CCM_CTX *cctx = c->cipher_data;
switch (type) {
case EVP_CTRL_INIT:
cctx->key_set = 0;
cctx->iv_set = 0;
cctx->L = 8;
cctx->M = 12;
cctx->tag_set = 0;
cctx->len_set = 0;
cctx->tls_aad_len = -1;
return 1;
case EVP_CTRL_AEAD_TLS1_AAD:
if (arg != EVP_AEAD_TLS1_AAD_LEN)
return 0;
memcpy(c->buf, ptr, arg);
cctx->tls_aad_len = arg;
{
uint16_t len = c->buf[arg - 2] << 8 | c->buf[arg - 1];
len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
if (!c->encrypt)
len -= cctx->M;
c->buf[arg - 2] = len >> 8;
c->buf[arg - 1] = len & 0xff;
}
return cctx->M;
case EVP_CTRL_CCM_SET_IV_FIXED:
if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
return 0;
memcpy(c->iv, ptr, arg);
return 1;
case EVP_CTRL_AEAD_SET_IVLEN:
arg = 15 - arg;
case EVP_CTRL_CCM_SET_L:
if (arg < 2 || arg > 8)
return 0;
cctx->L = arg;
return 1;
case EVP_CTRL_AEAD_SET_TAG:
if ((arg & 1) || arg < 4 || arg > 16)
return 0;
if (c->encrypt && ptr)
return 0;
if (ptr) {
cctx->tag_set = 1;
memcpy(c->buf, ptr, arg);
}
cctx->M = arg;
return 1;
case EVP_CTRL_AEAD_GET_TAG:
if (!c->encrypt || !cctx->tag_set)
return 0;
if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
return 0;
cctx->tag_set = 0;
cctx->iv_set = 0;
cctx->len_set = 0;
return 1;
case EVP_CTRL_COPY:
{
EVP_CIPHER_CTX *out = ptr;
EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
if (cctx->ccm.key) {
if (cctx->ccm.key != &cctx->ks)
return 0;
cctx_out->ccm.key = &cctx_out->ks;
}
return 1;
}
default:
return -1;
}
} | ['static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)\n{\n EVP_AES_CCM_CTX *cctx = c->cipher_data;\n switch (type) {\n case EVP_CTRL_INIT:\n cctx->key_set = 0;\n cctx->iv_set = 0;\n cctx->L = 8;\n cctx->M = 12;\n cctx->tag_set = 0;\n cctx->len_set = 0;\n cctx->tls_aad_len = -1;\n return 1;\n case EVP_CTRL_AEAD_TLS1_AAD:\n if (arg != EVP_AEAD_TLS1_AAD_LEN)\n return 0;\n memcpy(c->buf, ptr, arg);\n cctx->tls_aad_len = arg;\n {\n uint16_t len = c->buf[arg - 2] << 8 | c->buf[arg - 1];\n len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;\n if (!c->encrypt)\n len -= cctx->M;\n c->buf[arg - 2] = len >> 8;\n c->buf[arg - 1] = len & 0xff;\n }\n return cctx->M;\n case EVP_CTRL_CCM_SET_IV_FIXED:\n if (arg != EVP_CCM_TLS_FIXED_IV_LEN)\n return 0;\n memcpy(c->iv, ptr, arg);\n return 1;\n case EVP_CTRL_AEAD_SET_IVLEN:\n arg = 15 - arg;\n case EVP_CTRL_CCM_SET_L:\n if (arg < 2 || arg > 8)\n return 0;\n cctx->L = arg;\n return 1;\n case EVP_CTRL_AEAD_SET_TAG:\n if ((arg & 1) || arg < 4 || arg > 16)\n return 0;\n if (c->encrypt && ptr)\n return 0;\n if (ptr) {\n cctx->tag_set = 1;\n memcpy(c->buf, ptr, arg);\n }\n cctx->M = arg;\n return 1;\n case EVP_CTRL_AEAD_GET_TAG:\n if (!c->encrypt || !cctx->tag_set)\n return 0;\n if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))\n return 0;\n cctx->tag_set = 0;\n cctx->iv_set = 0;\n cctx->len_set = 0;\n return 1;\n case EVP_CTRL_COPY:\n {\n EVP_CIPHER_CTX *out = ptr;\n EVP_AES_CCM_CTX *cctx_out = out->cipher_data;\n if (cctx->ccm.key) {\n if (cctx->ccm.key != &cctx->ks)\n return 0;\n cctx_out->ccm.key = &cctx_out->ks;\n }\n return 1;\n }\n default:\n return -1;\n }\n}'] |
15,605 | 0 | https://github.com/openssl/openssl/blob/47bbaa5b607f592009ed40f5678fde21c10a873c/crypto/x509/x509_lu.c/#L643 | int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
{
X509_NAME *xn;
X509_OBJECT obj, *pobj;
int i, ok, idx, ret;
*issuer = NULL;
xn = X509_get_issuer_name(x);
ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);
if (ok != X509_LU_X509) {
if (ok == X509_LU_RETRY) {
X509_OBJECT_free_contents(&obj);
X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
return -1;
} else if (ok != X509_LU_FAIL) {
X509_OBJECT_free_contents(&obj);
return -1;
}
return 0;
}
if (ctx->check_issued(ctx, x, obj.data.x509)) {
if (x509_check_cert_time(ctx, obj.data.x509, 1)) {
*issuer = obj.data.x509;
return 1;
}
}
X509_OBJECT_free_contents(&obj);
ret = 0;
CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
if (idx != -1) {
for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
if (pobj->type != X509_LU_X509)
break;
if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
break;
if (ctx->check_issued(ctx, x, pobj->data.x509)) {
*issuer = pobj->data.x509;
ret = 1;
if (x509_check_cert_time(ctx, *issuer, 1))
break;
}
}
}
CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
if (*issuer)
X509_up_ref(*issuer);
return ret;
} | ['int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)\n{\n X509_NAME *xn;\n X509_OBJECT obj, *pobj;\n int i, ok, idx, ret;\n *issuer = NULL;\n xn = X509_get_issuer_name(x);\n ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);\n if (ok != X509_LU_X509) {\n if (ok == X509_LU_RETRY) {\n X509_OBJECT_free_contents(&obj);\n X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);\n return -1;\n } else if (ok != X509_LU_FAIL) {\n X509_OBJECT_free_contents(&obj);\n return -1;\n }\n return 0;\n }\n if (ctx->check_issued(ctx, x, obj.data.x509)) {\n if (x509_check_cert_time(ctx, obj.data.x509, 1)) {\n *issuer = obj.data.x509;\n return 1;\n }\n }\n X509_OBJECT_free_contents(&obj);\n ret = 0;\n CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);\n idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);\n if (idx != -1) {\n for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {\n pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);\n if (pobj->type != X509_LU_X509)\n break;\n if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))\n break;\n if (ctx->check_issued(ctx, x, pobj->data.x509)) {\n *issuer = pobj->data.x509;\n ret = 1;\n if (x509_check_cert_time(ctx, *issuer, 1))\n break;\n }\n }\n }\n CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);\n if (*issuer)\n X509_up_ref(*issuer);\n return ret;\n}', 'X509_NAME *X509_get_issuer_name(X509 *a)\n{\n return (a->cert_info->issuer);\n}', 'void X509_OBJECT_free_contents(X509_OBJECT *a)\n{\n if (!a)\n return;\n switch (a->type) {\n default:\n break;\n case X509_LU_X509:\n X509_free(a->data.x509);\n break;\n case X509_LU_CRL:\n X509_CRL_free(a->data.crl);\n break;\n }\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}', 'int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,\n X509_NAME *name)\n{\n return x509_object_idx_cnt(h, type, name, NULL);\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}'] |
15,606 | 0 | https://github.com/openssl/openssl/blob/84c15db551ce1d167b901a3bde2b21880b084384/crypto/bn/bn_mont.c/#L195 | int BN_from_montgomery(BIGNUM *ret, BIGNUM *a, BN_MONT_CTX *mont,
BN_CTX *ctx)
{
#ifdef BN_RECURSION_MONT
if (mont->use_word)
#endif
{
BIGNUM *n,*r;
BN_ULONG *ap,*np,*rp,n0,v,*nrp;
int al,nl,max,i,x,ri;
int retn=0;
r= &(ctx->bn[ctx->tos]);
if (!BN_copy(r,a)) goto err1;
n= &(mont->N);
ap=a->d;
al=ri=mont->ri/BN_BITS2;
nl=n->top;
if ((al == 0) || (nl == 0)) { r->top=0; return(1); }
max=(nl+al+1);
if (bn_wexpand(r,max) == NULL) goto err1;
if (bn_wexpand(ret,max) == NULL) goto err1;
r->neg=a->neg^n->neg;
np=n->d;
rp=r->d;
nrp= &(r->d[nl]);
#if 1
for (i=r->top; i<max; i++)
r->d[i]=0;
#else
memset(&(r->d[r->top]),0,(max-r->top)*sizeof(BN_ULONG));
#endif
r->top=max;
n0=mont->n0;
#ifdef BN_COUNT
printf("word BN_from_montgomery %d * %d\n",nl,nl);
#endif
for (i=0; i<nl; i++)
{
v=bn_mul_add_words(rp,np,nl,(rp[0]*n0)&BN_MASK2);
nrp++;
rp++;
if (((nrp[-1]+=v)&BN_MASK2) >= v)
continue;
else
{
if (((++nrp[0])&BN_MASK2) != 0) continue;
if (((++nrp[1])&BN_MASK2) != 0) continue;
for (x=2; (((++nrp[x])&BN_MASK2) == 0); x++) ;
}
}
bn_fix_top(r);
#if 0
BN_rshift(ret,r,mont->ri);
#else
x=ri;
rp=ret->d;
ap= &(r->d[x]);
if (r->top < x)
al=0;
else
al=r->top-x;
ret->top=al;
al-=4;
for (i=0; i<al; i+=4)
{
BN_ULONG t1,t2,t3,t4;
t1=ap[i+0];
t2=ap[i+1];
t3=ap[i+2];
t4=ap[i+3];
rp[i+0]=t1;
rp[i+1]=t2;
rp[i+2]=t3;
rp[i+3]=t4;
}
al+=4;
for (; i<al; i++)
rp[i]=ap[i];
#endif
if (BN_ucmp(ret, &(mont->N)) >= 0)
{
BN_usub(ret,ret,&(mont->N));
}
retn=1;
err1:
return(retn);
}
#ifdef BN_RECURSION_MONT
else
{
BIGNUM *t1,*t2,*t3;
int j,i;
#ifdef BN_COUNT
printf("number BN_from_montgomery\n");
#endif
t1= &(ctx->bn[ctx->tos]);
t2= &(ctx->bn[ctx->tos+1]);
t3= &(ctx->bn[ctx->tos+2]);
i=mont->Ni.top;
bn_wexpand(ret,i);
bn_wexpand(t1,i*4);
bn_wexpand(t2,i*2);
bn_mul_low_recursive(t2->d,a->d,mont->Ni.d,i,t1->d);
BN_zero(t3);
BN_set_bit(t3,mont->N.top*BN_BITS2);
bn_sub_words(t3->d,t3->d,a->d,i);
bn_mul_high(ret->d,t2->d,mont->N.d,t3->d,i,t1->d);
if (a->top > i)
{
j=(int)(bn_add_words(ret->d,ret->d,&(a->d[i]),i));
if (j)
bn_sub_words(ret->d,ret->d,mont->N.d,i);
}
ret->top=i;
bn_fix_top(ret);
if (a->d[0])
BN_add_word(ret,1);
else
{
for (i=1; i<mont->N.top-1; i++)
{
if (a->d[i])
{
BN_add_word(ret,1);
break;
}
}
}
if (BN_ucmp(ret,&(mont->N)) >= 0)
BN_usub(ret,ret,&(mont->N));
return(1);
}
#endif
} | ['int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)\n\t{\n\tBN_CTX *ctx;\n\tBIGNUM k,*kinv=NULL,*r=NULL;\n\tint ret=0;\n\tif (ctx_in == NULL)\n\t\t{\n\t\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\t\t}\n\telse\n\t\tctx=ctx_in;\n\tBN_init(&k);\n\tif ((r=BN_new()) == NULL) goto err;\n\tkinv=NULL;\n\tfor (;;)\n\t\t{\n\t\tif (!BN_rand(&k, BN_num_bits(dsa->q), 1, 0)) goto err;\n\t\tif (BN_cmp(&k,dsa->q) >= 0)\n\t\t\tBN_sub(&k,&k,dsa->q);\n\t\tif (!BN_is_zero(&k)) break;\n\t\t}\n\tif ((dsa->method_mont_p == NULL) && (dsa->flags & DSA_FLAG_CACHE_MONT_P))\n\t\t{\n\t\tif ((dsa->method_mont_p=(char *)BN_MONT_CTX_new()) != NULL)\n\t\t\tif (!BN_MONT_CTX_set((BN_MONT_CTX *)dsa->method_mont_p,\n\t\t\t\tdsa->p,ctx)) goto err;\n\t\t}\n\tif (!BN_mod_exp_mont(r,dsa->g,&k,dsa->p,ctx,\n\t\t(BN_MONT_CTX *)dsa->method_mont_p)) goto err;\n\tif (!BN_mod(r,r,dsa->q,ctx)) goto err;\n\tif ((kinv=BN_mod_inverse(NULL,&k,dsa->q,ctx)) == NULL) goto err;\n\tif (*kinvp != NULL) BN_clear_free(*kinvp);\n\t*kinvp=kinv;\n\tkinv=NULL;\n\tif (*rp != NULL) BN_clear_free(*rp);\n\t*rp=r;\n\tret=1;\nerr:\n\tif (!ret)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_SIGN_SETUP,ERR_R_BN_LIB);\n\t\tif (kinv != NULL) BN_clear_free(kinv);\n\t\tif (r != NULL) BN_clear_free(r);\n\t\t}\n\tif (ctx_in == NULL) BN_CTX_free(ctx);\n\tif (kinv != NULL) BN_clear_free(kinv);\n\tBN_clear_free(&k);\n\treturn(ret);\n\t}', 'BIGNUM *BN_new(void)\n\t{\n\tBIGNUM *ret;\n\tif ((ret=(BIGNUM *)Malloc(sizeof(BIGNUM))) == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tret->flags=BN_FLG_MALLOCED;\n\tret->top=0;\n\tret->neg=0;\n\tret->max=0;\n\tret->d=NULL;\n\treturn(ret);\n\t}', 'int BN_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_from_montgomery(BIGNUM *ret, BIGNUM *a, BN_MONT_CTX *mont,\n\t BN_CTX *ctx)\n\t{\n#ifdef BN_RECURSION_MONT\n\tif (mont->use_word)\n#endif\n\t\t{\n\t\tBIGNUM *n,*r;\n\t\tBN_ULONG *ap,*np,*rp,n0,v,*nrp;\n\t\tint al,nl,max,i,x,ri;\n\t\tint retn=0;\n\t\tr= &(ctx->bn[ctx->tos]);\n\t\tif (!BN_copy(r,a)) goto err1;\n\t\tn= &(mont->N);\n\t\tap=a->d;\n\t\tal=ri=mont->ri/BN_BITS2;\n\t\tnl=n->top;\n\t\tif ((al == 0) || (nl == 0)) { r->top=0; return(1); }\n\t\tmax=(nl+al+1);\n\t\tif (bn_wexpand(r,max) == NULL) goto err1;\n\t\tif (bn_wexpand(ret,max) == NULL) goto err1;\n\t\tr->neg=a->neg^n->neg;\n\t\tnp=n->d;\n\t\trp=r->d;\n\t\tnrp= &(r->d[nl]);\n#if 1\n\t\tfor (i=r->top; i<max; i++)\n\t\t\tr->d[i]=0;\n#else\n\t\tmemset(&(r->d[r->top]),0,(max-r->top)*sizeof(BN_ULONG));\n#endif\n\t\tr->top=max;\n\t\tn0=mont->n0;\n#ifdef BN_COUNT\nprintf("word BN_from_montgomery %d * %d\\n",nl,nl);\n#endif\n\t\tfor (i=0; i<nl; i++)\n\t\t\t{\n\t\t\tv=bn_mul_add_words(rp,np,nl,(rp[0]*n0)&BN_MASK2);\n\t\t\tnrp++;\n\t\t\trp++;\n\t\t\tif (((nrp[-1]+=v)&BN_MASK2) >= v)\n\t\t\t\tcontinue;\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (((++nrp[0])&BN_MASK2) != 0) continue;\n\t\t\t\tif (((++nrp[1])&BN_MASK2) != 0) continue;\n\t\t\t\tfor (x=2; (((++nrp[x])&BN_MASK2) == 0); x++) ;\n\t\t\t\t}\n\t\t\t}\n\t\tbn_fix_top(r);\n#if 0\n\t\tBN_rshift(ret,r,mont->ri);\n#else\n\t\tx=ri;\n\t\trp=ret->d;\n\t\tap= &(r->d[x]);\n\t\tif (r->top < x)\n\t\t\tal=0;\n\t\telse\n\t\t\tal=r->top-x;\n\t\tret->top=al;\n\t\tal-=4;\n\t\tfor (i=0; i<al; i+=4)\n\t\t\t{\n\t\t\tBN_ULONG t1,t2,t3,t4;\n\t\t\tt1=ap[i+0];\n\t\t\tt2=ap[i+1];\n\t\t\tt3=ap[i+2];\n\t\t\tt4=ap[i+3];\n\t\t\trp[i+0]=t1;\n\t\t\trp[i+1]=t2;\n\t\t\trp[i+2]=t3;\n\t\t\trp[i+3]=t4;\n\t\t\t}\n\t\tal+=4;\n\t\tfor (; i<al; i++)\n\t\t\trp[i]=ap[i];\n#endif\n\t\tif (BN_ucmp(ret, &(mont->N)) >= 0)\n\t\t\t{\n\t\t\tBN_usub(ret,ret,&(mont->N));\n\t\t\t}\n\t\tretn=1;\nerr1:\n\t\treturn(retn);\n\t\t}\n#ifdef BN_RECURSION_MONT\n\telse\n\t\t{\n\t\tBIGNUM *t1,*t2,*t3;\n\t\tint j,i;\n#ifdef BN_COUNT\nprintf("number BN_from_montgomery\\n");\n#endif\n\t\tt1= &(ctx->bn[ctx->tos]);\n\t\tt2= &(ctx->bn[ctx->tos+1]);\n\t\tt3= &(ctx->bn[ctx->tos+2]);\n\t\ti=mont->Ni.top;\n\t\tbn_wexpand(ret,i);\n\t\tbn_wexpand(t1,i*4);\n\t\tbn_wexpand(t2,i*2);\n\t\tbn_mul_low_recursive(t2->d,a->d,mont->Ni.d,i,t1->d);\n\t\tBN_zero(t3);\n\t\tBN_set_bit(t3,mont->N.top*BN_BITS2);\n\t\tbn_sub_words(t3->d,t3->d,a->d,i);\n\t\tbn_mul_high(ret->d,t2->d,mont->N.d,t3->d,i,t1->d);\n\t\tif (a->top > i)\n\t\t\t{\n\t\t\tj=(int)(bn_add_words(ret->d,ret->d,&(a->d[i]),i));\n\t\t\tif (j)\n\t\t\t\tbn_sub_words(ret->d,ret->d,mont->N.d,i);\n\t\t\t}\n\t\tret->top=i;\n\t\tbn_fix_top(ret);\n\t\tif (a->d[0])\n\t\t\tBN_add_word(ret,1);\n\t\telse\n\t\t\t{\n\t\t\tfor (i=1; i<mont->N.top-1; i++)\n\t\t\t\t{\n\t\t\t\tif (a->d[i])\n\t\t\t\t\t{\n\t\t\t\t\tBN_add_word(ret,1);\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tif (BN_ucmp(ret,&(mont->N)) >= 0)\n\t\t\tBN_usub(ret,ret,&(mont->N));\n\t\treturn(1);\n\t\t}\n#endif\n\t}'] |
15,607 | 0 | https://github.com/libav/libav/blob/556f8a066cb33241bf29e85d7e24c9acf7ea9043/libavformat/assdec.c/#L159 | static int read_packet(AVFormatContext *s, AVPacket *pkt)
{
ASSContext *ass = s->priv_data;
uint8_t *p, *end;
if(ass->event_index >= ass->event_count)
return AVERROR(EIO);
p= ass->event[ ass->event_index ];
end= strchr(p, '\n');
av_new_packet(pkt, end ? end-p+1 : strlen(p));
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->pos= p - ass->event_buffer + s->streams[0]->codec->extradata_size;
pkt->pts= pkt->dts= get_pts(p);
memcpy(pkt->data, p, pkt->size);
ass->event_index++;
return 0;
} | ["static int read_packet(AVFormatContext *s, AVPacket *pkt)\n{\n ASSContext *ass = s->priv_data;\n uint8_t *p, *end;\n if(ass->event_index >= ass->event_count)\n return AVERROR(EIO);\n p= ass->event[ ass->event_index ];\n end= strchr(p, '\\n');\n av_new_packet(pkt, end ? end-p+1 : strlen(p));\n pkt->flags |= AV_PKT_FLAG_KEY;\n pkt->pos= p - ass->event_buffer + s->streams[0]->codec->extradata_size;\n pkt->pts= pkt->dts= get_pts(p);\n memcpy(pkt->data, p, pkt->size);\n ass->event_index++;\n return 0;\n}", 'int av_new_packet(AVPacket *pkt, int size)\n{\n uint8_t *data= NULL;\n if((unsigned)size < (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)\n data = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);\n if (data){\n memset(data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);\n }else\n size=0;\n av_init_packet(pkt);\n pkt->data = data;\n pkt->size = size;\n pkt->destruct = av_destruct_packet;\n if(!data)\n return AVERROR(ENOMEM);\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) )\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_MEMALIGN\n ptr = memalign(32,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}', 'void av_init_packet(AVPacket *pkt)\n{\n pkt->pts = AV_NOPTS_VALUE;\n pkt->dts = AV_NOPTS_VALUE;\n pkt->pos = -1;\n pkt->duration = 0;\n pkt->convergence_duration = 0;\n pkt->flags = 0;\n pkt->stream_index = 0;\n pkt->destruct= NULL;\n pkt->side_data = NULL;\n pkt->side_data_elems = 0;\n}', 'static int64_t get_pts(const uint8_t *p)\n{\n int hour, min, sec, hsec;\n if(sscanf(p, "%*[^,],%d:%d:%d%*c%d", &hour, &min, &sec, &hsec) != 4)\n return AV_NOPTS_VALUE;\n min+= 60*hour;\n sec+= 60*min;\n return sec*100+hsec;\n}'] |
15,608 | 0 | https://github.com/openssl/openssl/blob/24a5f17b6a221c327d292d7236b24717d5e413a9/crypto/x509/x509_vfy.c/#L607 | static int check_chain_extensions(X509_STORE_CTX *ctx)
{
#ifdef OPENSSL_NO_CHAIN_VERIFY
return 1;
#else
int i, ok=0, must_be_ca, plen = 0;
X509 *x;
int (*cb)(int xok,X509_STORE_CTX *xctx);
int proxy_path_length = 0;
int purpose;
int allow_proxy_certs;
cb=ctx->verify_cb;
must_be_ca = -1;
if (ctx->parent)
{
allow_proxy_certs = 0;
purpose = X509_PURPOSE_CRL_SIGN;
}
else
{
allow_proxy_certs =
!!(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);
if (getenv("OPENSSL_ALLOW_PROXY_CERTS"))
allow_proxy_certs = 1;
purpose = ctx->param->purpose;
}
for (i = 0; i < ctx->last_untrusted; i++)
{
int ret;
x = sk_X509_value(ctx->chain, i);
if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
&& (x->ex_flags & EXFLAG_CRITICAL))
{
ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
if (!ok) goto end;
}
if (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY))
{
ctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
if (!ok) goto end;
}
ret = X509_check_ca(x);
switch(must_be_ca)
{
case -1:
if ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
&& (ret != 1) && (ret != 0))
{
ret = 0;
ctx->error = X509_V_ERR_INVALID_CA;
}
else
ret = 1;
break;
case 0:
if (ret != 0)
{
ret = 0;
ctx->error = X509_V_ERR_INVALID_NON_CA;
}
else
ret = 1;
break;
default:
if ((ret == 0)
|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
&& (ret != 1)))
{
ret = 0;
ctx->error = X509_V_ERR_INVALID_CA;
}
else
ret = 1;
break;
}
if (ret == 0)
{
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
if (!ok) goto end;
}
if (ctx->param->purpose > 0)
{
ret = X509_check_purpose(x, purpose, must_be_ca > 0);
if ((ret == 0)
|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
&& (ret != 1)))
{
ctx->error = X509_V_ERR_INVALID_PURPOSE;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
if (!ok) goto end;
}
}
if ((i > 1) && !(x->ex_flags & EXFLAG_SI)
&& (x->ex_pathlen != -1)
&& (plen > (x->ex_pathlen + proxy_path_length + 1)))
{
ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
if (!ok) goto end;
}
if (!(x->ex_flags & EXFLAG_SI))
plen++;
if (x->ex_flags & EXFLAG_PROXY)
{
if (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen)
{
ctx->error =
X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
if (!ok) goto end;
}
proxy_path_length++;
must_be_ca = 0;
}
else
must_be_ca = 1;
}
ok = 1;
end:
return ok;
#endif
} | ['static int check_chain_extensions(X509_STORE_CTX *ctx)\n{\n#ifdef OPENSSL_NO_CHAIN_VERIFY\n\treturn 1;\n#else\n\tint i, ok=0, must_be_ca, plen = 0;\n\tX509 *x;\n\tint (*cb)(int xok,X509_STORE_CTX *xctx);\n\tint proxy_path_length = 0;\n\tint purpose;\n\tint allow_proxy_certs;\n\tcb=ctx->verify_cb;\n\tmust_be_ca = -1;\n\tif (ctx->parent)\n\t\t{\n\t\tallow_proxy_certs = 0;\n\t\tpurpose = X509_PURPOSE_CRL_SIGN;\n\t\t}\n\telse\n\t\t{\n\t\tallow_proxy_certs =\n\t\t\t!!(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);\n\t\tif (getenv("OPENSSL_ALLOW_PROXY_CERTS"))\n\t\t\tallow_proxy_certs = 1;\n\t\tpurpose = ctx->param->purpose;\n\t\t}\n\tfor (i = 0; i < ctx->last_untrusted; i++)\n\t\t{\n\t\tint ret;\n\t\tx = sk_X509_value(ctx->chain, i);\n\t\tif (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)\n\t\t\t&& (x->ex_flags & EXFLAG_CRITICAL))\n\t\t\t{\n\t\t\tctx->error = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION;\n\t\t\tctx->error_depth = i;\n\t\t\tctx->current_cert = x;\n\t\t\tok=cb(0,ctx);\n\t\t\tif (!ok) goto end;\n\t\t\t}\n\t\tif (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY))\n\t\t\t{\n\t\t\tctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED;\n\t\t\tctx->error_depth = i;\n\t\t\tctx->current_cert = x;\n\t\t\tok=cb(0,ctx);\n\t\t\tif (!ok) goto end;\n\t\t\t}\n\t\tret = X509_check_ca(x);\n\t\tswitch(must_be_ca)\n\t\t\t{\n\t\tcase -1:\n\t\t\tif ((ctx->param->flags & X509_V_FLAG_X509_STRICT)\n\t\t\t\t&& (ret != 1) && (ret != 0))\n\t\t\t\t{\n\t\t\t\tret = 0;\n\t\t\t\tctx->error = X509_V_ERR_INVALID_CA;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tret = 1;\n\t\t\tbreak;\n\t\tcase 0:\n\t\t\tif (ret != 0)\n\t\t\t\t{\n\t\t\t\tret = 0;\n\t\t\t\tctx->error = X509_V_ERR_INVALID_NON_CA;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tret = 1;\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tif ((ret == 0)\n\t\t\t\t|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)\n\t\t\t\t\t&& (ret != 1)))\n\t\t\t\t{\n\t\t\t\tret = 0;\n\t\t\t\tctx->error = X509_V_ERR_INVALID_CA;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tret = 1;\n\t\t\tbreak;\n\t\t\t}\n\t\tif (ret == 0)\n\t\t\t{\n\t\t\tctx->error_depth = i;\n\t\t\tctx->current_cert = x;\n\t\t\tok=cb(0,ctx);\n\t\t\tif (!ok) goto end;\n\t\t\t}\n\t\tif (ctx->param->purpose > 0)\n\t\t\t{\n\t\t\tret = X509_check_purpose(x, purpose, must_be_ca > 0);\n\t\t\tif ((ret == 0)\n\t\t\t\t|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)\n\t\t\t\t\t&& (ret != 1)))\n\t\t\t\t{\n\t\t\t\tctx->error = X509_V_ERR_INVALID_PURPOSE;\n\t\t\t\tctx->error_depth = i;\n\t\t\t\tctx->current_cert = x;\n\t\t\t\tok=cb(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\t}\n\t\tif ((i > 1) && !(x->ex_flags & EXFLAG_SI)\n\t\t\t && (x->ex_pathlen != -1)\n\t\t\t && (plen > (x->ex_pathlen + proxy_path_length + 1)))\n\t\t\t{\n\t\t\tctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;\n\t\t\tctx->error_depth = i;\n\t\t\tctx->current_cert = x;\n\t\t\tok=cb(0,ctx);\n\t\t\tif (!ok) goto end;\n\t\t\t}\n\t\tif (!(x->ex_flags & EXFLAG_SI))\n\t\t\tplen++;\n\t\tif (x->ex_flags & EXFLAG_PROXY)\n\t\t\t{\n\t\t\tif (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen)\n\t\t\t\t{\n\t\t\t\tctx->error =\n\t\t\t\t\tX509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED;\n\t\t\t\tctx->error_depth = i;\n\t\t\t\tctx->current_cert = x;\n\t\t\t\tok=cb(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\tproxy_path_length++;\n\t\t\tmust_be_ca = 0;\n\t\t\t}\n\t\telse\n\t\t\tmust_be_ca = 1;\n\t\t}\n\tok = 1;\n end:\n\treturn ok;\n#endif\n}', 'void *sk_value(const _STACK *st, int i)\n{\n\tif(!st || (i < 0) || (i >= st->num)) return NULL;\n\treturn st->data[i];\n}', 'int X509_check_ca(X509 *x)\n{\n\tif(!(x->ex_flags & EXFLAG_SET)) {\n\t\tCRYPTO_w_lock(CRYPTO_LOCK_X509);\n\t\tx509v3_cache_extensions(x);\n\t\tCRYPTO_w_unlock(CRYPTO_LOCK_X509);\n\t}\n\treturn check_ca(x);\n}'] |
15,609 | 0 | https://github.com/libav/libav/blob/9104cd5161ec7cb31361f3dabd73a8a813d4f7d0/libavcodec/h264.h/#L1117 | static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deblock){
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;
int topleft_partition= -1;
int i;
static const uint8_t left_block_options[4][16]={
{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},
{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},
{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},
{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}
};
top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
topleft_xy = top_xy - 1;
topright_xy= top_xy + 1;
left_xy[1] = left_xy[0] = mb_xy-1;
left_block = left_block_options[0];
if(FRAME_MBAFF){
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
const int top_pair_xy = pair_xy - s->mb_stride;
const int topleft_pair_xy = top_pair_xy - 1;
const int topright_pair_xy = top_pair_xy + 1;
const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
const int curr_mb_field_flag = IS_INTERLACED(mb_type);
const int bottom = (s->mb_y & 1);
tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag);
if (curr_mb_field_flag && (bottom || top_mb_field_flag)){
top_xy -= s->mb_stride;
}
if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){
topleft_xy -= s->mb_stride;
} else if(bottom && !curr_mb_field_flag && left_mb_field_flag) {
topleft_xy += s->mb_stride;
topleft_partition = 0;
}
if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){
topright_xy -= s->mb_stride;
}
if (left_mb_field_flag != curr_mb_field_flag) {
left_xy[1] = left_xy[0] = pair_xy - 1;
if (curr_mb_field_flag) {
left_xy[1] += s->mb_stride;
left_block = left_block_options[3];
} else {
left_block= left_block_options[2 - bottom];
}
}
}
h->top_mb_xy = top_xy;
h->left_mb_xy[0] = left_xy[0];
h->left_mb_xy[1] = left_xy[1];
if(for_deblock){
int qp_thresh = h->qp_thresh;
int qp = s->current_picture.qscale_table[mb_xy];
if(qp <= qp_thresh
&& (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
&& (left_xy[1]<0 || ((qp + s->current_picture.qscale_table[left_xy[1]] + 1)>>1) <= qp_thresh)
&& (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
return 1;
}
if(IS_INTRA(mb_type))
return 0;
AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);
AV_COPY64(&h->non_zero_count_cache[0+8*2], &h->non_zero_count[mb_xy][ 8]);
*((uint32_t*)&h->non_zero_count_cache[0+8*5])= *((uint32_t*)&h->non_zero_count[mb_xy][16]);
*((uint32_t*)&h->non_zero_count_cache[4+8*3])= *((uint32_t*)&h->non_zero_count[mb_xy][20]);
AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);
h->cbp= h->cbp_table[mb_xy];
top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;
left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;
left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;
{
int list;
for(list=0; list<h->list_count; list++){
int8_t *ref;
int y, b_stride;
int16_t (*mv_dst)[2];
int16_t (*mv_src)[2];
if(!USES_LIST(mb_type, list)){
fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = ((LIST_NOT_USED)&0xFF)*0x01010101;
continue;
}
ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
{
int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;
ref += h->b8_stride;
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;
}
b_stride = h->b_stride;
mv_dst = &h->mv_cache[list][scan8[0]];
mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
for(y=0; y<4; y++){
AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
}
}
}
}else{
topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
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];
if(!for_deblock){
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 if(!for_deblock){
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]];
if(!for_deblock){
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 if(!for_deblock){
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(for_deblock && !CABAC && h->pps.transform_8x8_mode){
if(IS_8x8DCT(top_type)){
h->non_zero_count_cache[4+8*0]=
h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;
h->non_zero_count_cache[6+8*0]=
h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;
}
if(IS_8x8DCT(left_type[0])){
h->non_zero_count_cache[3+8*1]=
h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2;
}
if(IS_8x8DCT(left_type[1])){
h->non_zero_count_cache[3+8*3]=
h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8;
}
if(IS_8x8DCT(mb_type)){
h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=
h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1;
h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;
h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;
h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;
}
}
if( CABAC && !for_deblock) {
if(top_type) {
h->top_cbp = h->cbp_table[top_xy];
} else if(IS_INTRA(mb_type)) {
h->top_cbp = 0x1C0;
} else {
h->top_cbp = 0;
}
if (left_type[0]) {
h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
} else if(IS_INTRA(mb_type)) {
h->left_cbp = 0x1C0;
} else {
h->left_cbp = 0;
}
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)){
int list;
for(list=0; list<h->list_count; list++){
if(!for_deblock && !USES_LIST(mb_type, list) && !IS_DIRECT(mb_type)){
continue;
}
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]);
if(for_deblock){
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
h->ref_cache[list][scan8[0] + 0 - 1*8]=
h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][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]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
}else{
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]= (((for_deblock||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]];
if(for_deblock){
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[i]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
h->ref_cache[list][cache_idx ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)]];
h->ref_cache[list][cache_idx+8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)]];
}else{
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]= (for_deblock||left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
}
if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF))
continue;
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (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((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
continue;
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, 0, 1);
if(IS_DIRECT(top_type)){
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
}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]= 0;
}
if(IS_DIRECT(left_type[0]))
h->direct_cache[scan8[0] - 1 + 0*8]= 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]= 0;
if(IS_DIRECT(left_type[1]))
h->direct_cache[scan8[0] - 1 + 2*8]= 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]= 0;
}
}
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
if(!for_deblock)
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
return 0;
} | ['static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deblock){\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;\n int topleft_partition= -1;\n int i;\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 top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);\n topleft_xy = top_xy - 1;\n topright_xy= top_xy + 1;\n left_xy[1] = left_xy[0] = mb_xy-1;\n left_block = left_block_options[0];\n if(FRAME_MBAFF){\n const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;\n const int top_pair_xy = pair_xy - s->mb_stride;\n const int topleft_pair_xy = top_pair_xy - 1;\n const int topright_pair_xy = top_pair_xy + 1;\n const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);\n const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);\n const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);\n const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);\n const int curr_mb_field_flag = IS_INTERLACED(mb_type);\n const int bottom = (s->mb_y & 1);\n tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag);\n if (curr_mb_field_flag && (bottom || top_mb_field_flag)){\n top_xy -= s->mb_stride;\n }\n if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){\n topleft_xy -= s->mb_stride;\n } else if(bottom && !curr_mb_field_flag && left_mb_field_flag) {\n topleft_xy += s->mb_stride;\n topleft_partition = 0;\n }\n if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){\n topright_xy -= s->mb_stride;\n }\n if (left_mb_field_flag != curr_mb_field_flag) {\n left_xy[1] = left_xy[0] = pair_xy - 1;\n if (curr_mb_field_flag) {\n left_xy[1] += s->mb_stride;\n left_block = left_block_options[3];\n } else {\n left_block= left_block_options[2 - bottom];\n }\n }\n }\n h->top_mb_xy = top_xy;\n h->left_mb_xy[0] = left_xy[0];\n h->left_mb_xy[1] = left_xy[1];\n if(for_deblock){\n int qp_thresh = h->qp_thresh;\n int qp = s->current_picture.qscale_table[mb_xy];\n if(qp <= qp_thresh\n && (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)\n && (left_xy[1]<0 || ((qp + s->current_picture.qscale_table[left_xy[1]] + 1)>>1) <= qp_thresh)\n && (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){\n return 1;\n }\n if(IS_INTRA(mb_type))\n return 0;\n AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);\n AV_COPY64(&h->non_zero_count_cache[0+8*2], &h->non_zero_count[mb_xy][ 8]);\n *((uint32_t*)&h->non_zero_count_cache[0+8*5])= *((uint32_t*)&h->non_zero_count[mb_xy][16]);\n *((uint32_t*)&h->non_zero_count_cache[4+8*3])= *((uint32_t*)&h->non_zero_count[mb_xy][20]);\n AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);\n h->cbp= h->cbp_table[mb_xy];\n top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;\n left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;\n left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;\n {\n int list;\n for(list=0; list<h->list_count; list++){\n int8_t *ref;\n int y, b_stride;\n int16_t (*mv_dst)[2];\n int16_t (*mv_src)[2];\n if(!USES_LIST(mb_type, list)){\n fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);\n *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =\n *(uint32_t*)&h->ref_cache[list][scan8[ 2]] =\n *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =\n *(uint32_t*)&h->ref_cache[list][scan8[10]] = ((LIST_NOT_USED)&0xFF)*0x01010101;\n continue;\n }\n ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];\n {\n int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);\n *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =\n *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;\n ref += h->b8_stride;\n *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =\n *(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;\n }\n b_stride = h->b_stride;\n mv_dst = &h->mv_cache[list][scan8[0]];\n mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];\n for(y=0; y<4; y++){\n AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);\n }\n }\n }\n }else{\n topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;\n top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;\n topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;\n left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;\n left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;\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 }\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 if(!for_deblock){\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 }\n }else if(!for_deblock){\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 if(!for_deblock){\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 }\n }else if(!for_deblock){\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(for_deblock && !CABAC && h->pps.transform_8x8_mode){\n if(IS_8x8DCT(top_type)){\n h->non_zero_count_cache[4+8*0]=\n h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;\n h->non_zero_count_cache[6+8*0]=\n h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;\n }\n if(IS_8x8DCT(left_type[0])){\n h->non_zero_count_cache[3+8*1]=\n h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2;\n }\n if(IS_8x8DCT(left_type[1])){\n h->non_zero_count_cache[3+8*3]=\n h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8;\n }\n if(IS_8x8DCT(mb_type)){\n h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=\n h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1;\n h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=\n h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;\n h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=\n h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;\n h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=\n h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;\n }\n }\n if( CABAC && !for_deblock) {\n if(top_type) {\n h->top_cbp = h->cbp_table[top_xy];\n } else if(IS_INTRA(mb_type)) {\n h->top_cbp = 0x1C0;\n } else {\n h->top_cbp = 0;\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 = 0x1C0;\n } else {\n h->left_cbp = 0;\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#if 1\n if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){\n int list;\n for(list=0; list<h->list_count; list++){\n if(!for_deblock && !USES_LIST(mb_type, list) && !IS_DIRECT(mb_type)){\n continue;\n }\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 if(for_deblock){\n int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);\n h->ref_cache[list][scan8[0] + 0 - 1*8]=\n h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][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]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];\n }else{\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 }\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]= (((for_deblock||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 if(for_deblock){\n int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[i]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);\n h->ref_cache[list][cache_idx ]= ref2frm[list][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]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)]];\n }else{\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 }\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]= (for_deblock||left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n }\n if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF))\n continue;\n if(USES_LIST(topleft_type, list)){\n const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);\n const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (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((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)\n continue;\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, 0, 1);\n if(IS_DIRECT(top_type)){\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;\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]= 0;\n }\n if(IS_DIRECT(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= 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]= 0;\n if(IS_DIRECT(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= 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]= 0;\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 if(!for_deblock)\n h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);\n return 0;\n}'] |
15,610 | 0 | https://github.com/openssl/openssl/blob/2b527b9b3233eb312a4bf17b044660aa213883b6/ssl/ssl_ciph.c/#L1451 | STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
STACK_OF(SSL_CIPHER) *tls13_ciphersuites,
STACK_OF(SSL_CIPHER) **cipher_list,
STACK_OF(SSL_CIPHER) **cipher_list_by_id,
const char *rule_str,
CERT *c)
{
int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i;
uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;
STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;
const char *rule_p;
CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
const SSL_CIPHER **ca_list = NULL;
if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)
return NULL;
#ifndef OPENSSL_NO_EC
if (!check_suiteb_cipher_list(ssl_method, c, &rule_str))
return NULL;
#endif
disabled_mkey = disabled_mkey_mask;
disabled_auth = disabled_auth_mask;
disabled_enc = disabled_enc_mask;
disabled_mac = disabled_mac_mask;
num_of_ciphers = ssl_method->num_ciphers();
co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers);
if (co_list == NULL) {
SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
return NULL;
}
ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,
disabled_mkey, disabled_auth, disabled_enc,
disabled_mac, co_list, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD,
-1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head,
&tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1,
&head, &tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1,
&head, &tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD,
-1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
if (!ssl_cipher_strength_sort(&head, &tail)) {
OPENSSL_free(co_list);
return NULL;
}
ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1,
&head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1,
&head, &tail);
ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0,
CIPHER_BUMP, -1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0,
CIPHER_BUMP, -1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);
num_of_group_aliases = OSSL_NELEM(cipher_aliases);
num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max);
if (ca_list == NULL) {
OPENSSL_free(co_list);
SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
return NULL;
}
ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,
disabled_mkey, disabled_auth, disabled_enc,
disabled_mac, head);
ok = 1;
rule_p = rule_str;
if (strncmp(rule_str, "DEFAULT", 7) == 0) {
ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST,
&head, &tail, ca_list, c);
rule_p += 7;
if (*rule_p == ':')
rule_p++;
}
if (ok && (strlen(rule_p) > 0))
ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c);
OPENSSL_free(ca_list);
if (!ok) {
OPENSSL_free(co_list);
return NULL;
}
if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) {
OPENSSL_free(co_list);
return NULL;
}
for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) {
if (!sk_SSL_CIPHER_push(cipherstack,
sk_SSL_CIPHER_value(tls13_ciphersuites, i))) {
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
}
for (curr = head; curr != NULL; curr = curr->next) {
if (curr->active) {
if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) {
OPENSSL_free(co_list);
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
#ifdef CIPHER_DEBUG
fprintf(stderr, "<%s>\n", curr->cipher->name);
#endif
}
}
OPENSSL_free(co_list);
tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
if (tmp_cipher_list == NULL) {
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
sk_SSL_CIPHER_free(*cipher_list);
*cipher_list = cipherstack;
if (*cipher_list_by_id != NULL)
sk_SSL_CIPHER_free(*cipher_list_by_id);
*cipher_list_by_id = tmp_cipher_list;
(void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);
sk_SSL_CIPHER_sort(*cipher_list_by_id);
return cipherstack;
} | ['static int test_keylog(void)\n{\n SSL_CTX *cctx = NULL, *sctx = NULL;\n SSL *clientssl = NULL, *serverssl = NULL;\n int testresult = 0;\n struct sslapitest_log_counts expected = {0};\n memset(client_log_buffer, 0, sizeof(client_log_buffer));\n memset(server_log_buffer, 0, sizeof(server_log_buffer));\n client_log_buffer_index = 0;\n server_log_buffer_index = 0;\n error_writing_log = 0;\n if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),\n TLS_client_method(),\n &sctx, &cctx, cert, privkey)))\n return 0;\n SSL_CTX_set_options(cctx, SSL_OP_NO_TLSv1_3);\n SSL_CTX_set_options(sctx, SSL_OP_NO_TLSv1_3);\n if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "RSA")))\n goto end;\n if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL)\n || !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL))\n goto end;\n SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);\n if (!TEST_true(SSL_CTX_get_keylog_callback(cctx)\n == client_keylog_callback))\n goto end;\n SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);\n if (!TEST_true(SSL_CTX_get_keylog_callback(sctx)\n == server_keylog_callback))\n goto end;\n if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,\n &clientssl, NULL, NULL))\n || !TEST_true(create_ssl_connection(serverssl, clientssl,\n SSL_ERROR_NONE))\n || !TEST_false(error_writing_log)\n || !TEST_int_gt(client_log_buffer_index, 0)\n || !TEST_int_gt(server_log_buffer_index, 0))\n goto end;\n expected.rsa_key_exchange_count = 1;\n expected.master_secret_count = 1;\n if (!TEST_true(test_keylog_output(client_log_buffer, clientssl,\n SSL_get_session(clientssl), &expected)))\n goto end;\n expected.rsa_key_exchange_count = 0;\n if (!TEST_true(test_keylog_output(server_log_buffer, serverssl,\n SSL_get_session(serverssl), &expected)))\n goto end;\n testresult = 1;\nend:\n SSL_free(serverssl);\n SSL_free(clientssl);\n SSL_CTX_free(sctx);\n SSL_CTX_free(cctx);\n return testresult;\n}', 'int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)\n{\n STACK_OF(SSL_CIPHER) *sk;\n sk = ssl_create_cipher_list(ctx->method, ctx->tls13_ciphersuites,\n &ctx->cipher_list, &ctx->cipher_list_by_id, str,\n ctx->cert);\n if (sk == NULL)\n return 0;\n else if (sk_SSL_CIPHER_num(sk) == 0) {\n SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);\n return 0;\n }\n return 1;\n}', 'STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,\n STACK_OF(SSL_CIPHER) *tls13_ciphersuites,\n STACK_OF(SSL_CIPHER) **cipher_list,\n STACK_OF(SSL_CIPHER) **cipher_list_by_id,\n const char *rule_str,\n CERT *c)\n{\n int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i;\n uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;\n STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;\n const char *rule_p;\n CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;\n const SSL_CIPHER **ca_list = NULL;\n if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)\n return NULL;\n#ifndef OPENSSL_NO_EC\n if (!check_suiteb_cipher_list(ssl_method, c, &rule_str))\n return NULL;\n#endif\n disabled_mkey = disabled_mkey_mask;\n disabled_auth = disabled_auth_mask;\n disabled_enc = disabled_enc_mask;\n disabled_mac = disabled_mac_mask;\n num_of_ciphers = ssl_method->num_ciphers();\n co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers);\n if (co_list == NULL) {\n SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,\n disabled_mkey, disabled_auth, disabled_enc,\n disabled_mac, co_list, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD,\n -1, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD,\n -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n if (!ssl_cipher_strength_sort(&head, &tail)) {\n OPENSSL_free(co_list);\n return NULL;\n }\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0,\n CIPHER_BUMP, -1, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0,\n CIPHER_BUMP, -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);\n num_of_group_aliases = OSSL_NELEM(cipher_aliases);\n num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;\n ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max);\n if (ca_list == NULL) {\n OPENSSL_free(co_list);\n SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,\n disabled_mkey, disabled_auth, disabled_enc,\n disabled_mac, head);\n ok = 1;\n rule_p = rule_str;\n if (strncmp(rule_str, "DEFAULT", 7) == 0) {\n ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST,\n &head, &tail, ca_list, c);\n rule_p += 7;\n if (*rule_p == \':\')\n rule_p++;\n }\n if (ok && (strlen(rule_p) > 0))\n ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c);\n OPENSSL_free(ca_list);\n if (!ok) {\n OPENSSL_free(co_list);\n return NULL;\n }\n if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) {\n OPENSSL_free(co_list);\n return NULL;\n }\n for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) {\n if (!sk_SSL_CIPHER_push(cipherstack,\n sk_SSL_CIPHER_value(tls13_ciphersuites, i))) {\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n }\n for (curr = head; curr != NULL; curr = curr->next) {\n if (curr->active) {\n if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) {\n OPENSSL_free(co_list);\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n#ifdef CIPHER_DEBUG\n fprintf(stderr, "<%s>\\n", curr->cipher->name);\n#endif\n }\n }\n OPENSSL_free(co_list);\n tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);\n if (tmp_cipher_list == NULL) {\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n sk_SSL_CIPHER_free(*cipher_list);\n *cipher_list = cipherstack;\n if (*cipher_list_by_id != NULL)\n sk_SSL_CIPHER_free(*cipher_list_by_id);\n *cipher_list_by_id = tmp_cipher_list;\n (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);\n sk_SSL_CIPHER_sort(*cipher_list_by_id);\n return cipherstack;\n}', 'static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c,\n const char **prule_str)\n{\n unsigned int suiteb_flags = 0, suiteb_comb2 = 0;\n if (strncmp(*prule_str, "SUITEB128ONLY", 13) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY;\n } else if (strncmp(*prule_str, "SUITEB128C2", 11) == 0) {\n suiteb_comb2 = 1;\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;\n } else if (strncmp(*prule_str, "SUITEB128", 9) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;\n } else if (strncmp(*prule_str, "SUITEB192", 9) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS;\n }\n if (suiteb_flags) {\n c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS;\n c->cert_flags |= suiteb_flags;\n } else {\n suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS;\n }\n if (!suiteb_flags)\n return 1;\n if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)) {\n SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,\n SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE);\n return 0;\n }\n# ifndef OPENSSL_NO_EC\n switch (suiteb_flags) {\n case SSL_CERT_FLAG_SUITEB_128_LOS:\n if (suiteb_comb2)\n *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";\n else\n *prule_str =\n "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";\n break;\n case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:\n *prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256";\n break;\n case SSL_CERT_FLAG_SUITEB_192_LOS:\n *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";\n break;\n }\n return 1;\n# else\n SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST, SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE);\n return 0;\n# endif\n}'] |
15,611 | 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;
} | ['int tls_construct_server_certificate(SSL *s, WPACKET *pkt)\n{\n CERT_PKEY *cpk = s->s3.tmp.cert;\n if (cpk == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_SERVER_CERTIFICATE, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (SSL_IS_TLS13(s) && !WPACKET_put_bytes_u8(pkt, 0)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_SERVER_CERTIFICATE, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!ssl3_output_cert_chain(s, pkt, cpk)) {\n return 0;\n }\n return 1;\n}', 'unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk)\n{\n if (!WPACKET_start_sub_packet_u24(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!ssl_add_cert_chain(s, pkt, cpk))\n return 0;\n if (!WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n 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}'] |
15,612 | 0 | https://github.com/libav/libav/blob/85395ba73f9cc1b3cece3e85ae12f491ad7c1dd2/libavcodec/rv40.c/#L483 | static void rv40_loop_filter(RV34DecContext *r, int row)
{
MpegEncContext *s = &r->s;
int mb_pos, mb_x;
int i, j, k;
uint8_t *Y, *C;
int alpha, beta, betaY, betaC;
int q;
int mbtype[4];
int mb_strong[4];
int clip[4];
int cbp[4];
int uvcbp[4][2];
unsigned mvmasks[4];
mb_pos = row * s->mb_stride;
for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){
int mbtype = s->current_picture_ptr->f.mb_type[mb_pos];
if(IS_INTRA(mbtype) || IS_SEPARATE_DC(mbtype))
r->cbp_luma [mb_pos] = r->deblock_coefs[mb_pos] = 0xFFFF;
if(IS_INTRA(mbtype))
r->cbp_chroma[mb_pos] = 0xFF;
}
mb_pos = row * s->mb_stride;
for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){
int y_h_deblock, y_v_deblock;
int c_v_deblock[2], c_h_deblock[2];
int clip_left;
int avail[4];
unsigned y_to_deblock;
int c_to_deblock[2];
q = s->current_picture_ptr->f.qscale_table[mb_pos];
alpha = rv40_alpha_tab[q];
beta = rv40_beta_tab [q];
betaY = betaC = beta * 3;
if(s->width * s->height <= 176*144)
betaY += beta;
avail[0] = 1;
avail[1] = row;
avail[2] = mb_x;
avail[3] = row < s->mb_height - 1;
for(i = 0; i < 4; i++){
if(avail[i]){
int pos = mb_pos + neighbour_offs_x[i] + neighbour_offs_y[i]*s->mb_stride;
mvmasks[i] = r->deblock_coefs[pos];
mbtype [i] = s->current_picture_ptr->f.mb_type[pos];
cbp [i] = r->cbp_luma[pos];
uvcbp[i][0] = r->cbp_chroma[pos] & 0xF;
uvcbp[i][1] = r->cbp_chroma[pos] >> 4;
}else{
mvmasks[i] = 0;
mbtype [i] = mbtype[0];
cbp [i] = 0;
uvcbp[i][0] = uvcbp[i][1] = 0;
}
mb_strong[i] = IS_INTRA(mbtype[i]) || IS_SEPARATE_DC(mbtype[i]);
clip[i] = rv40_filter_clip_tbl[mb_strong[i] + 1][q];
}
y_to_deblock = mvmasks[POS_CUR]
| (mvmasks[POS_BOTTOM] << 16);
y_h_deblock = y_to_deblock
| ((cbp[POS_CUR] << 4) & ~MASK_Y_TOP_ROW)
| ((cbp[POS_TOP] & MASK_Y_LAST_ROW) >> 12);
y_v_deblock = y_to_deblock
| ((cbp[POS_CUR] << 1) & ~MASK_Y_LEFT_COL)
| ((cbp[POS_LEFT] & MASK_Y_RIGHT_COL) >> 3);
if(!mb_x)
y_v_deblock &= ~MASK_Y_LEFT_COL;
if(!row)
y_h_deblock &= ~MASK_Y_TOP_ROW;
if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))
y_h_deblock &= ~(MASK_Y_TOP_ROW << 16);
for(i = 0; i < 2; i++){
c_to_deblock[i] = (uvcbp[POS_BOTTOM][i] << 4) | uvcbp[POS_CUR][i];
c_v_deblock[i] = c_to_deblock[i]
| ((uvcbp[POS_CUR] [i] << 1) & ~MASK_C_LEFT_COL)
| ((uvcbp[POS_LEFT][i] & MASK_C_RIGHT_COL) >> 1);
c_h_deblock[i] = c_to_deblock[i]
| ((uvcbp[POS_TOP][i] & MASK_C_LAST_ROW) >> 2)
| (uvcbp[POS_CUR][i] << 2);
if(!mb_x)
c_v_deblock[i] &= ~MASK_C_LEFT_COL;
if(!row)
c_h_deblock[i] &= ~MASK_C_TOP_ROW;
if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))
c_h_deblock[i] &= ~(MASK_C_TOP_ROW << 4);
}
for(j = 0; j < 16; j += 4){
Y = s->current_picture_ptr->f.data[0] + mb_x*16 + (row*16 + j) * s->linesize;
for(i = 0; i < 4; i++, Y += 4){
int ij = i + j;
int clip_cur = y_to_deblock & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
int dither = j ? ij : i*4;
if(y_h_deblock & (MASK_BOTTOM << ij)){
rv40_adaptive_loop_filter(&r->rdsp, Y+4*s->linesize,
s->linesize, dither,
y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0,
clip_cur, alpha, beta, betaY,
0, 0, 0);
}
if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
if(!i)
clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
else
clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
clip_cur,
clip_left,
alpha, beta, betaY, 0, 0, 1);
}
if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){
rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
clip_cur,
mvmasks[POS_TOP] & (MASK_TOP << i) ? clip[POS_TOP] : 0,
alpha, beta, betaY, 0, 1, 0);
}
if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){
clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
clip_cur,
clip_left,
alpha, beta, betaY, 0, 1, 1);
}
}
}
for(k = 0; k < 2; k++){
for(j = 0; j < 2; j++){
C = s->current_picture_ptr->f.data[k + 1] + mb_x*8 + (row*8 + j*4) * s->uvlinesize;
for(i = 0; i < 2; i++, C += 4){
int ij = i + j*2;
int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
if(c_h_deblock[k] & (MASK_CUR << (ij+2))){
int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0;
rv40_adaptive_loop_filter(&r->rdsp, C+4*s->uvlinesize, s->uvlinesize, i*8,
clip_bot,
clip_cur,
alpha, beta, betaC, 1, 0, 0);
}
if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
if(!i)
clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
else
clip_left = c_to_deblock[k] & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,
clip_cur,
clip_left,
alpha, beta, betaC, 1, 0, 1);
}
if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){
int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;
rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, i*8,
clip_cur,
clip_top,
alpha, beta, betaC, 1, 1, 0);
}
if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){
clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,
clip_cur,
clip_left,
alpha, beta, betaC, 1, 1, 1);
}
}
}
}
}
} | ['static void rv40_loop_filter(RV34DecContext *r, int row)\n{\n MpegEncContext *s = &r->s;\n int mb_pos, mb_x;\n int i, j, k;\n uint8_t *Y, *C;\n int alpha, beta, betaY, betaC;\n int q;\n int mbtype[4];\n int mb_strong[4];\n int clip[4];\n int cbp[4];\n int uvcbp[4][2];\n unsigned mvmasks[4];\n mb_pos = row * s->mb_stride;\n for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){\n int mbtype = s->current_picture_ptr->f.mb_type[mb_pos];\n if(IS_INTRA(mbtype) || IS_SEPARATE_DC(mbtype))\n r->cbp_luma [mb_pos] = r->deblock_coefs[mb_pos] = 0xFFFF;\n if(IS_INTRA(mbtype))\n r->cbp_chroma[mb_pos] = 0xFF;\n }\n mb_pos = row * s->mb_stride;\n for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){\n int y_h_deblock, y_v_deblock;\n int c_v_deblock[2], c_h_deblock[2];\n int clip_left;\n int avail[4];\n unsigned y_to_deblock;\n int c_to_deblock[2];\n q = s->current_picture_ptr->f.qscale_table[mb_pos];\n alpha = rv40_alpha_tab[q];\n beta = rv40_beta_tab [q];\n betaY = betaC = beta * 3;\n if(s->width * s->height <= 176*144)\n betaY += beta;\n avail[0] = 1;\n avail[1] = row;\n avail[2] = mb_x;\n avail[3] = row < s->mb_height - 1;\n for(i = 0; i < 4; i++){\n if(avail[i]){\n int pos = mb_pos + neighbour_offs_x[i] + neighbour_offs_y[i]*s->mb_stride;\n mvmasks[i] = r->deblock_coefs[pos];\n mbtype [i] = s->current_picture_ptr->f.mb_type[pos];\n cbp [i] = r->cbp_luma[pos];\n uvcbp[i][0] = r->cbp_chroma[pos] & 0xF;\n uvcbp[i][1] = r->cbp_chroma[pos] >> 4;\n }else{\n mvmasks[i] = 0;\n mbtype [i] = mbtype[0];\n cbp [i] = 0;\n uvcbp[i][0] = uvcbp[i][1] = 0;\n }\n mb_strong[i] = IS_INTRA(mbtype[i]) || IS_SEPARATE_DC(mbtype[i]);\n clip[i] = rv40_filter_clip_tbl[mb_strong[i] + 1][q];\n }\n y_to_deblock = mvmasks[POS_CUR]\n | (mvmasks[POS_BOTTOM] << 16);\n y_h_deblock = y_to_deblock\n | ((cbp[POS_CUR] << 4) & ~MASK_Y_TOP_ROW)\n | ((cbp[POS_TOP] & MASK_Y_LAST_ROW) >> 12);\n y_v_deblock = y_to_deblock\n | ((cbp[POS_CUR] << 1) & ~MASK_Y_LEFT_COL)\n | ((cbp[POS_LEFT] & MASK_Y_RIGHT_COL) >> 3);\n if(!mb_x)\n y_v_deblock &= ~MASK_Y_LEFT_COL;\n if(!row)\n y_h_deblock &= ~MASK_Y_TOP_ROW;\n if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))\n y_h_deblock &= ~(MASK_Y_TOP_ROW << 16);\n for(i = 0; i < 2; i++){\n c_to_deblock[i] = (uvcbp[POS_BOTTOM][i] << 4) | uvcbp[POS_CUR][i];\n c_v_deblock[i] = c_to_deblock[i]\n | ((uvcbp[POS_CUR] [i] << 1) & ~MASK_C_LEFT_COL)\n | ((uvcbp[POS_LEFT][i] & MASK_C_RIGHT_COL) >> 1);\n c_h_deblock[i] = c_to_deblock[i]\n | ((uvcbp[POS_TOP][i] & MASK_C_LAST_ROW) >> 2)\n | (uvcbp[POS_CUR][i] << 2);\n if(!mb_x)\n c_v_deblock[i] &= ~MASK_C_LEFT_COL;\n if(!row)\n c_h_deblock[i] &= ~MASK_C_TOP_ROW;\n if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))\n c_h_deblock[i] &= ~(MASK_C_TOP_ROW << 4);\n }\n for(j = 0; j < 16; j += 4){\n Y = s->current_picture_ptr->f.data[0] + mb_x*16 + (row*16 + j) * s->linesize;\n for(i = 0; i < 4; i++, Y += 4){\n int ij = i + j;\n int clip_cur = y_to_deblock & (MASK_CUR << ij) ? clip[POS_CUR] : 0;\n int dither = j ? ij : i*4;\n if(y_h_deblock & (MASK_BOTTOM << ij)){\n rv40_adaptive_loop_filter(&r->rdsp, Y+4*s->linesize,\n s->linesize, dither,\n y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0,\n clip_cur, alpha, beta, betaY,\n 0, 0, 0);\n }\n if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){\n if(!i)\n clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;\n else\n clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;\n rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,\n clip_cur,\n clip_left,\n alpha, beta, betaY, 0, 0, 1);\n }\n if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){\n rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,\n clip_cur,\n mvmasks[POS_TOP] & (MASK_TOP << i) ? clip[POS_TOP] : 0,\n alpha, beta, betaY, 0, 1, 0);\n }\n if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){\n clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;\n rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,\n clip_cur,\n clip_left,\n alpha, beta, betaY, 0, 1, 1);\n }\n }\n }\n for(k = 0; k < 2; k++){\n for(j = 0; j < 2; j++){\n C = s->current_picture_ptr->f.data[k + 1] + mb_x*8 + (row*8 + j*4) * s->uvlinesize;\n for(i = 0; i < 2; i++, C += 4){\n int ij = i + j*2;\n int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0;\n if(c_h_deblock[k] & (MASK_CUR << (ij+2))){\n int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0;\n rv40_adaptive_loop_filter(&r->rdsp, C+4*s->uvlinesize, s->uvlinesize, i*8,\n clip_bot,\n clip_cur,\n alpha, beta, betaC, 1, 0, 0);\n }\n if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){\n if(!i)\n clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;\n else\n clip_left = c_to_deblock[k] & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;\n rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,\n clip_cur,\n clip_left,\n alpha, beta, betaC, 1, 0, 1);\n }\n if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){\n int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;\n rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, i*8,\n clip_cur,\n clip_top,\n alpha, beta, betaC, 1, 1, 0);\n }\n if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){\n clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;\n rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,\n clip_cur,\n clip_left,\n alpha, beta, betaC, 1, 1, 1);\n }\n }\n }\n }\n }\n}'] |
15,613 | 0 | https://github.com/openssl/openssl/blob/ee6b68ce4c67870f9323d2a380eb949f447c56ee/test/testutil/tests.c/#L303 | static char *print_mem_maybe_null(const void *s, size_t n,
char outbuf[MEM_BUFFER_SIZE])
{
size_t i;
const unsigned char *p = (const unsigned char *)s;
char *out = outbuf;
int pad = 2 * n >= MEM_BUFFER_SIZE;
if (s == NULL)
return strcpy(outbuf, "(NULL)");
if (pad) {
if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {
out = outbuf;
n = (MEM_BUFFER_SIZE - 4) / 2;
} else {
pad = 0;
}
}
for (i = 0; i < 2 * n; ) {
const unsigned char c = *p++;
out[i++] = "0123456789abcdef"[c >> 4];
out[i++] = "0123456789abcdef"[c & 15];
}
if (pad) {
out[i++] = '.';
out[i++] = '.';
out[i++] = '.';
}
out[i] = '\0';
return out;
} | ['static int test_verify_one_sct()\n{\n SETUP_CT_TEST_FIXTURE();\n fixture.certs_dir = certs_dir;\n fixture.certificate_file = "embeddedSCTs1.pem";\n fixture.issuer_file = "embeddedSCTs1_issuer.pem";\n fixture.expected_sct_count = fixture.expected_valid_sct_count = 1;\n fixture.test_validity = 1;\n EXECUTE_CT_TEST();\n}', "static int execute_cert_test(CT_TEST_FIXTURE fixture)\n{\n int success = 0;\n X509 *cert = NULL, *issuer = NULL;\n STACK_OF(SCT) *scts = NULL;\n SCT *sct = NULL;\n char expected_sct_text[CT_TEST_MAX_FILE_SIZE];\n int sct_text_len = 0;\n unsigned char *tls_sct_list = NULL;\n size_t tls_sct_list_len = 0;\n CT_POLICY_EVAL_CTX *ct_policy_ctx = CT_POLICY_EVAL_CTX_new();\n if (fixture.sct_text_file != NULL) {\n sct_text_len = read_text_file(fixture.sct_dir, fixture.sct_text_file,\n expected_sct_text,\n CT_TEST_MAX_FILE_SIZE - 1);\n if (!TEST_int_ge(sct_text_len, 0))\n goto end;\n expected_sct_text[sct_text_len] = '\\0';\n }\n CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(\n ct_policy_ctx, fixture.ctlog_store);\n CT_POLICY_EVAL_CTX_set_time(ct_policy_ctx, fixture.epoch_time_in_ms);\n if (fixture.certificate_file != NULL) {\n int sct_extension_index;\n X509_EXTENSION *sct_extension = NULL;\n if (!TEST_ptr(cert = load_pem_cert(fixture.certs_dir,\n fixture.certificate_file)))\n goto end;\n CT_POLICY_EVAL_CTX_set1_cert(ct_policy_ctx, cert);\n if (fixture.issuer_file != NULL) {\n if (!TEST_ptr(issuer = load_pem_cert(fixture.certs_dir,\n fixture.issuer_file)))\n goto end;\n CT_POLICY_EVAL_CTX_set1_issuer(ct_policy_ctx, issuer);\n }\n sct_extension_index =\n X509_get_ext_by_NID(cert, NID_ct_precert_scts, -1);\n sct_extension = X509_get_ext(cert, sct_extension_index);\n if (fixture.expected_sct_count > 0) {\n if (!TEST_ptr(sct_extension))\n goto end;\n if (fixture.sct_text_file\n && !compare_extension_printout(sct_extension,\n expected_sct_text))\n goto end;\n if (fixture.test_validity) {\n int i;\n scts = X509V3_EXT_d2i(sct_extension);\n for (i = 0; i < sk_SCT_num(scts); ++i) {\n SCT *sct_i = sk_SCT_value(scts, i);\n if (!TEST_true(SCT_set_source(sct_i,\n SCT_SOURCE_X509V3_EXTENSION)))\n goto end;\n }\n if (!assert_validity(fixture, scts, ct_policy_ctx))\n goto end;\n }\n } else if (!TEST_ptr_null(sct_extension)) {\n goto end;\n }\n }\n if (fixture.tls_sct_list != NULL) {\n const unsigned char *p = fixture.tls_sct_list;\n if (!TEST_ptr(o2i_SCT_LIST(&scts, &p, fixture.tls_sct_list_len)))\n goto end;\n if (fixture.test_validity && cert != NULL) {\n if (!assert_validity(fixture, scts, ct_policy_ctx))\n goto end;\n }\n if (fixture.sct_text_file\n && !compare_sct_list_printout(scts, expected_sct_text)) {\n goto end;\n }\n tls_sct_list_len = i2o_SCT_LIST(scts, &tls_sct_list);\n if (!TEST_mem_eq(fixture.tls_sct_list, fixture.tls_sct_list_len,\n tls_sct_list, tls_sct_list_len))\n goto end;\n }\n success = 1;\nend:\n X509_free(cert);\n X509_free(issuer);\n SCT_LIST_free(scts);\n SCT_free(sct);\n CT_POLICY_EVAL_CTX_free(ct_policy_ctx);\n OPENSSL_free(tls_sct_list);\n return success;\n}", 'int test_mem_eq(const char *file, int line, const char *st1, const char *st2,\n const void *s1, size_t n1, const void *s2, size_t n2)\n{\n char b1[MEM_BUFFER_SIZE], b2[MEM_BUFFER_SIZE];\n if (s1 == NULL && s2 == NULL)\n return 1;\n if (n1 != n2 || s1 == NULL || s2 == NULL || memcmp(s1, s2, n1) != 0) {\n char *m1 = print_mem_maybe_null(s1, n1, b1);\n char *m2 = print_mem_maybe_null(s2, n2, b2);\n test_fail_message(NULL, file, line, "memory",\n "%s %s [%zu] == %s %s [%zu]",\n st1, m1, n1, st2, m2, n2);\n if (m1 != b1)\n OPENSSL_free(m1);\n if (m2 != b2)\n OPENSSL_free(m2);\n return 0;\n }\n return 1;\n}', 'static char *print_mem_maybe_null(const void *s, size_t n,\n char outbuf[MEM_BUFFER_SIZE])\n{\n size_t i;\n const unsigned char *p = (const unsigned char *)s;\n char *out = outbuf;\n int pad = 2 * n >= MEM_BUFFER_SIZE;\n if (s == NULL)\n return strcpy(outbuf, "(NULL)");\n if (pad) {\n if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {\n out = outbuf;\n n = (MEM_BUFFER_SIZE - 4) / 2;\n } else {\n pad = 0;\n }\n }\n for (i = 0; i < 2 * n; ) {\n const unsigned char c = *p++;\n out[i++] = "0123456789abcdef"[c >> 4];\n out[i++] = "0123456789abcdef"[c & 15];\n }\n if (pad) {\n out[i++] = \'.\';\n out[i++] = \'.\';\n out[i++] = \'.\';\n }\n out[i] = \'\\0\';\n return out;\n}'] |
15,614 | 0 | https://github.com/libav/libav/blob/d46d87d1d3de41758b08c045d4b20f4b16ad21de/libavcodec/imgconvert.c/#L72 | int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
enum AVPixelFormat src_pix_fmt,
int has_alpha)
{
const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
int loss, i, nb_components = FFMIN(src_desc->nb_components,
dst_desc->nb_components);
loss = 0;
if (dst_pix_fmt == src_pix_fmt)
return 0;
for (i = 0; i < nb_components; i++)
if (src_desc->comp[i].depth_minus1 > dst_desc->comp[i].depth_minus1)
loss |= FF_LOSS_DEPTH;
if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||
dst_desc->log2_chroma_h > src_desc->log2_chroma_h)
loss |= FF_LOSS_RESOLUTION;
if ((src_desc->flags & PIX_FMT_RGB) != (dst_desc->flags & PIX_FMT_RGB))
loss |= FF_LOSS_COLORSPACE;
if (has_alpha && !(dst_desc->flags & PIX_FMT_ALPHA) &&
(dst_desc->flags & PIX_FMT_ALPHA))
loss |= FF_LOSS_ALPHA;
if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))
return loss | FF_LOSS_COLORQUANT;
if (src_desc->nb_components > dst_desc->nb_components)
if (is_gray(dst_desc))
loss |= FF_LOSS_CHROMA;
return loss;
} | ['int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,\n enum AVPixelFormat src_pix_fmt,\n int has_alpha)\n{\n const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);\n const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);\n int loss, i, nb_components = FFMIN(src_desc->nb_components,\n dst_desc->nb_components);\n loss = 0;\n if (dst_pix_fmt == src_pix_fmt)\n return 0;\n for (i = 0; i < nb_components; i++)\n if (src_desc->comp[i].depth_minus1 > dst_desc->comp[i].depth_minus1)\n loss |= FF_LOSS_DEPTH;\n if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||\n dst_desc->log2_chroma_h > src_desc->log2_chroma_h)\n loss |= FF_LOSS_RESOLUTION;\n if ((src_desc->flags & PIX_FMT_RGB) != (dst_desc->flags & PIX_FMT_RGB))\n loss |= FF_LOSS_COLORSPACE;\n if (has_alpha && !(dst_desc->flags & PIX_FMT_ALPHA) &&\n (dst_desc->flags & PIX_FMT_ALPHA))\n loss |= FF_LOSS_ALPHA;\n if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))\n return loss | FF_LOSS_COLORQUANT;\n if (src_desc->nb_components > dst_desc->nb_components)\n if (is_gray(dst_desc))\n loss |= FF_LOSS_CHROMA;\n return loss;\n}', '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}'] |
15,615 | 0 | https://github.com/libav/libav/blob/124c21d79f2124d028890022e98ea853a834a964/libavcodec/roqaudioenc.c/#L76 | static int roq_dpcm_encode_init(AVCodecContext *avctx)
{
ROQDPCMContext *context = avctx->priv_data;
if (avctx->channels > 2) {
av_log(avctx, AV_LOG_ERROR, "Audio must be mono or stereo\n");
return -1;
}
if (avctx->sample_rate != 22050) {
av_log(avctx, AV_LOG_ERROR, "Audio must be 22050 Hz\n");
return -1;
}
if (avctx->sample_fmt != SAMPLE_FMT_S16) {
av_log(avctx, AV_LOG_ERROR, "Audio must be signed 16-bit\n");
return -1;
}
roq_dpcm_table_init();
avctx->frame_size = ROQ_FIRST_FRAME_SIZE;
context->lastSample[0] = context->lastSample[1] = 0;
avctx->coded_frame= avcodec_alloc_frame();
avctx->coded_frame->key_frame= 1;
return 0;
} | ['static int roq_dpcm_encode_init(AVCodecContext *avctx)\n{\n ROQDPCMContext *context = avctx->priv_data;\n if (avctx->channels > 2) {\n av_log(avctx, AV_LOG_ERROR, "Audio must be mono or stereo\\n");\n return -1;\n }\n if (avctx->sample_rate != 22050) {\n av_log(avctx, AV_LOG_ERROR, "Audio must be 22050 Hz\\n");\n return -1;\n }\n if (avctx->sample_fmt != SAMPLE_FMT_S16) {\n av_log(avctx, AV_LOG_ERROR, "Audio must be signed 16-bit\\n");\n return -1;\n }\n roq_dpcm_table_init();\n avctx->frame_size = ROQ_FIRST_FRAME_SIZE;\n context->lastSample[0] = context->lastSample[1] = 0;\n avctx->coded_frame= avcodec_alloc_frame();\n avctx->coded_frame->key_frame= 1;\n return 0;\n}', 'static av_cold void roq_dpcm_table_init(void)\n{\n int i;\n for (i=0; i<MAX_DPCM; i++) {\n int s= ff_sqrt(i);\n int mid= s*s + s;\n dpcmValues[i]= s + (i>mid);\n }\n}', 'static inline av_const unsigned int ff_sqrt(unsigned int a)\n{\n unsigned int b;\n if(a<255) return (ff_sqrt_tab[a+1]-1)>>4;\n else if(a<(1<<12)) b= ff_sqrt_tab[a>>4 ]>>2;\n#ifndef CONFIG_SMALL\n else if(a<(1<<14)) b= ff_sqrt_tab[a>>6 ]>>1;\n else if(a<(1<<16)) b= ff_sqrt_tab[a>>8 ] ;\n#endif\n else{\n int s= av_log2_16bit(a>>16)>>1;\n unsigned int c= a>>(s+2);\n b= ff_sqrt_tab[c>>(s+8)];\n b= FASTDIV(c,b) + (b<<s);\n }\n return b - (a<b*b);\n}', 'AVFrame *avcodec_alloc_frame(void){\n AVFrame *pic= av_malloc(sizeof(AVFrame));\n if(pic==NULL) return NULL;\n avcodec_get_frame_defaults(pic);\n return pic;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr;\n#ifdef CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#ifdef CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif defined (HAVE_MEMALIGN)\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
15,616 | 0 | https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/crypto/lhash/lhash.c/#L157 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return NULL;
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return ret;
} | ['static int test_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, 0, &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, 0,\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}', 'int ssl_clear_bad_session(SSL *s)\n{\n if ((s->session != NULL) &&\n !(s->shutdown & SSL_SENT_SHUTDOWN) &&\n !(SSL_in_init(s) || SSL_in_before(s))) {\n SSL_CTX_remove_session(s->session_ctx, s->session);\n return 1;\n } else\n return 0;\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_THREAD_write_lock(ctx->lock);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) != NULL) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, r);\n SSL_SESSION_list_remove(ctx, r);\n }\n c->not_resumable = 1;\n if (lck)\n CRYPTO_THREAD_unlock(ctx->lock);\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, c);\n if (ret)\n SSL_SESSION_free(r);\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}'] |
15,617 | 0 | https://github.com/libav/libav/blob/1f09ab5e6665d0cae34fe4b378f16268e712e748/libavcodec/flashsvenc.c/#L144 | static int encode_bitstream(FlashSVContext *s, AVFrame *p, uint8_t *buf, int buf_size,
int block_width, int block_height, uint8_t *previous_frame, int* I_frame) {
PutBitContext pb;
int h_blocks, v_blocks, h_part, v_part, i, j;
int buf_pos, res;
int pred_blocks = 0;
init_put_bits(&pb, buf, buf_size*8);
put_bits(&pb, 4, (block_width/16)-1);
put_bits(&pb, 12, s->image_width);
put_bits(&pb, 4, (block_height/16)-1);
put_bits(&pb, 12, s->image_height);
flush_put_bits(&pb);
buf_pos=4;
h_blocks = s->image_width / block_width;
h_part = s->image_width % block_width;
v_blocks = s->image_height / block_height;
v_part = s->image_height % block_height;
for (j = 0; j < v_blocks + (v_part?1:0); j++)
{
int hp = j*block_height;
int hs = (j<v_blocks)?block_height:v_part;
for (i = 0; i < h_blocks + (h_part?1:0); i++)
{
int wp = i*block_width;
int ws = (i<h_blocks)?block_width:h_part;
int ret=Z_OK;
uint8_t *ptr;
ptr = buf+buf_pos;
res = copy_region_enc(p->data[0], s->tmpblock, s->image_height-(hp+hs+1), wp, hs, ws, p->linesize[0], previous_frame);
if (res || *I_frame) {
unsigned long zsize;
zsize = 3*block_width*block_height;
ret = compress2(ptr+2, &zsize, s->tmpblock, 3*ws*hs, 9);
if (ret != Z_OK)
av_log(s->avctx, AV_LOG_ERROR, "error while compressing block %dx%d\n", i, j);
bytestream_put_be16(&ptr,(unsigned int)zsize);
buf_pos += zsize+2;
} else {
pred_blocks++;
bytestream_put_be16(&ptr,0);
buf_pos += 2;
}
}
}
if (pred_blocks)
*I_frame = 0;
else
*I_frame = 1;
return buf_pos;
} | ['static int encode_bitstream(FlashSVContext *s, AVFrame *p, uint8_t *buf, int buf_size,\n int block_width, int block_height, uint8_t *previous_frame, int* I_frame) {\n PutBitContext pb;\n int h_blocks, v_blocks, h_part, v_part, i, j;\n int buf_pos, res;\n int pred_blocks = 0;\n init_put_bits(&pb, buf, buf_size*8);\n put_bits(&pb, 4, (block_width/16)-1);\n put_bits(&pb, 12, s->image_width);\n put_bits(&pb, 4, (block_height/16)-1);\n put_bits(&pb, 12, s->image_height);\n flush_put_bits(&pb);\n buf_pos=4;\n h_blocks = s->image_width / block_width;\n h_part = s->image_width % block_width;\n v_blocks = s->image_height / block_height;\n v_part = s->image_height % block_height;\n for (j = 0; j < v_blocks + (v_part?1:0); j++)\n {\n int hp = j*block_height;\n int hs = (j<v_blocks)?block_height:v_part;\n for (i = 0; i < h_blocks + (h_part?1:0); i++)\n {\n int wp = i*block_width;\n int ws = (i<h_blocks)?block_width:h_part;\n int ret=Z_OK;\n uint8_t *ptr;\n ptr = buf+buf_pos;\n res = copy_region_enc(p->data[0], s->tmpblock, s->image_height-(hp+hs+1), wp, hs, ws, p->linesize[0], previous_frame);\n if (res || *I_frame) {\n unsigned long zsize;\n zsize = 3*block_width*block_height;\n ret = compress2(ptr+2, &zsize, s->tmpblock, 3*ws*hs, 9);\n if (ret != Z_OK)\n av_log(s->avctx, AV_LOG_ERROR, "error while compressing block %dx%d\\n", i, j);\n bytestream_put_be16(&ptr,(unsigned int)zsize);\n buf_pos += zsize+2;\n } else {\n pred_blocks++;\n bytestream_put_be16(&ptr,0);\n buf_pos += 2;\n }\n }\n }\n if (pred_blocks)\n *I_frame = 0;\n else\n *I_frame = 1;\n return buf_pos;\n}', 'static inline void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)\n{\n if(buffer_size < 0) {\n buffer_size = 0;\n buffer = NULL;\n }\n s->size_in_bits= 8*buffer_size;\n s->buf = buffer;\n s->buf_end = s->buf + buffer_size;\n#ifdef ALT_BITSTREAM_WRITER\n s->index=0;\n ((uint32_t*)(s->buf))[0]=0;\n#else\n s->buf_ptr = s->buf;\n s->bit_left=32;\n s->bit_buf=0;\n#endif\n}', 'static inline void put_bits(PutBitContext *s, int n, unsigned int value)\n#ifndef ALT_BITSTREAM_WRITER\n{\n unsigned int bit_buf;\n int bit_left;\n assert(n <= 31 && value < (1U << n));\n bit_buf = s->bit_buf;\n bit_left = s->bit_left;\n#ifdef BITSTREAM_WRITER_LE\n bit_buf |= value << (32 - bit_left);\n if (n >= bit_left) {\n#if !HAVE_FAST_UNALIGNED\n if (3 & (intptr_t) s->buf_ptr) {\n AV_WL32(s->buf_ptr, bit_buf);\n } else\n#endif\n *(uint32_t *)s->buf_ptr = le2me_32(bit_buf);\n s->buf_ptr+=4;\n bit_buf = (bit_left==32)?0:value >> bit_left;\n bit_left+=32;\n }\n bit_left-=n;\n#else\n if (n < bit_left) {\n bit_buf = (bit_buf<<n) | value;\n bit_left-=n;\n } else {\n bit_buf<<=bit_left;\n bit_buf |= value >> (n - bit_left);\n#if !HAVE_FAST_UNALIGNED\n if (3 & (intptr_t) s->buf_ptr) {\n AV_WB32(s->buf_ptr, bit_buf);\n } else\n#endif\n *(uint32_t *)s->buf_ptr = be2me_32(bit_buf);\n s->buf_ptr+=4;\n bit_left+=32 - n;\n bit_buf = value;\n }\n#endif\n s->bit_buf = bit_buf;\n s->bit_left = bit_left;\n}', 'static av_always_inline av_const uint32_t bswap_32(uint32_t x)\n{\n x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);\n x= (x>>16) | (x<<16);\n return x;\n}'] |
15,618 | 0 | https://github.com/libav/libav/blob/9181976348cac563977a0450c90f27ad72018f1d/libavformat/rtsp.c/#L1793 | static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
int size, i, err;
char *content;
char url[1024];
if (!ff_network_init())
return AVERROR(EIO);
content = av_malloc(SDP_MAX_SIZE);
size = avio_read(s->pb, content, SDP_MAX_SIZE - 1);
if (size <= 0) {
av_free(content);
return AVERROR_INVALIDDATA;
}
content[size] ='\0';
err = ff_sdp_parse(s, content);
av_free(content);
if (err) goto fail;
for (i = 0; i < rt->nb_rtsp_streams; i++) {
char namebuf[50];
rtsp_st = rt->rtsp_streams[i];
getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),
namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
ff_url_join(url, sizeof(url), "rtp", NULL,
namebuf, rtsp_st->sdp_port,
"?localport=%d&ttl=%d", rtsp_st->sdp_port,
rtsp_st->sdp_ttl);
if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_RDWR) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
if ((err = rtsp_open_transport_ctx(s, rtsp_st)))
goto fail;
}
return 0;
fail:
ff_rtsp_close_streams(s);
ff_network_close();
return err;
} | ['static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)\n{\n RTSPState *rt = s->priv_data;\n RTSPStream *rtsp_st;\n int size, i, err;\n char *content;\n char url[1024];\n if (!ff_network_init())\n return AVERROR(EIO);\n content = av_malloc(SDP_MAX_SIZE);\n size = avio_read(s->pb, content, SDP_MAX_SIZE - 1);\n if (size <= 0) {\n av_free(content);\n return AVERROR_INVALIDDATA;\n }\n content[size] =\'\\0\';\n err = ff_sdp_parse(s, content);\n av_free(content);\n if (err) goto fail;\n for (i = 0; i < rt->nb_rtsp_streams; i++) {\n char namebuf[50];\n rtsp_st = rt->rtsp_streams[i];\n getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),\n namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);\n ff_url_join(url, sizeof(url), "rtp", NULL,\n namebuf, rtsp_st->sdp_port,\n "?localport=%d&ttl=%d", rtsp_st->sdp_port,\n rtsp_st->sdp_ttl);\n if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_RDWR) < 0) {\n err = AVERROR_INVALIDDATA;\n goto fail;\n }\n if ((err = rtsp_open_transport_ctx(s, rtsp_st)))\n goto fail;\n }\n return 0;\nfail:\n ff_rtsp_close_streams(s);\n ff_network_close();\n return err;\n}', 'static inline int ff_network_init(void)\n{\n#if HAVE_WINSOCK2_H\n WSADATA wsaData;\n if (WSAStartup(MAKEWORD(1,1), &wsaData))\n return 0;\n#endif\n return 1;\n}', 'void *av_malloc(FF_INTERNAL_MEM_TYPE size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
15,619 | 0 | https://gitlab.com/libtiff/libtiff/blob/537cd1da1856d734a353511e063f755d77aae927/tools/tiffcrop.c/#L7335 | static int
createImageSection(uint32 sectsize, unsigned char **sect_buff_ptr)
{
unsigned char *sect_buff = NULL;
unsigned char *new_buff = NULL;
static uint32 prev_sectsize = 0;
sect_buff = *sect_buff_ptr;
if (!sect_buff)
{
sect_buff = (unsigned char *)_TIFFmalloc(sectsize);
*sect_buff_ptr = sect_buff;
_TIFFmemset(sect_buff, 0, sectsize);
}
else
{
if (prev_sectsize < sectsize)
{
new_buff = _TIFFrealloc(sect_buff, sectsize);
if (!new_buff)
{
free (sect_buff);
sect_buff = (unsigned char *)_TIFFmalloc(sectsize);
}
else
sect_buff = new_buff;
_TIFFmemset(sect_buff, 0, sectsize);
}
}
if (!sect_buff)
{
TIFFError("createImageSection", "Unable to allocate/reallocate section buffer");
return (-1);
}
prev_sectsize = sectsize;
*sect_buff_ptr = sect_buff;
return (0);
} | ['static int\ncreateImageSection(uint32 sectsize, unsigned char **sect_buff_ptr)\n {\n unsigned char *sect_buff = NULL;\n unsigned char *new_buff = NULL;\n static uint32 prev_sectsize = 0;\n sect_buff = *sect_buff_ptr;\n if (!sect_buff)\n {\n sect_buff = (unsigned char *)_TIFFmalloc(sectsize);\n *sect_buff_ptr = sect_buff;\n _TIFFmemset(sect_buff, 0, sectsize);\n }\n else\n {\n if (prev_sectsize < sectsize)\n {\n new_buff = _TIFFrealloc(sect_buff, sectsize);\n if (!new_buff)\n {\n\tfree (sect_buff);\n sect_buff = (unsigned char *)_TIFFmalloc(sectsize);\n }\n else\n sect_buff = new_buff;\n _TIFFmemset(sect_buff, 0, sectsize);\n }\n }\n if (!sect_buff)\n {\n TIFFError("createImageSection", "Unable to allocate/reallocate section buffer");\n return (-1);\n }\n prev_sectsize = sectsize;\n *sect_buff_ptr = sect_buff;\n return (0);\n }', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n if (s == 0)\n return ((void *) NULL);\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}'] |
15,620 | 0 | https://github.com/openssl/openssl/blob/10f0c85cfc26ffafd426d9797275191829efd599/crypto/bn/bn_asm.c/#L382 | BN_ULONG bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int 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_mul_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,\n\tint dna, int dnb, BN_ULONG *t)\n\t{\n\tint n=n2/2,c1,c2;\n\tint tna=n+dna, tnb=n+dnb;\n\tunsigned int neg,zero;\n\tBN_ULONG ln,lo,*p;\n# ifdef BN_COUNT\n\tfprintf(stderr," bn_mul_recursive %d%+d * %d%+d\\n",n2,dna,n2,dnb);\n# endif\n# ifdef BN_MUL_COMBA\n# if 0\n\tif (n2 == 4)\n\t\t{\n\t\tbn_mul_comba4(r,a,b);\n\t\treturn;\n\t\t}\n# endif\n\tif (n2 == 8 && dna == 0 && dnb == 0)\n\t\t{\n\t\tbn_mul_comba8(r,a,b);\n\t\treturn;\n\t\t}\n# endif\n\tif (n2 < BN_MUL_RECURSIVE_SIZE_NORMAL)\n\t\t{\n\t\tbn_mul_normal(r,a,n2+dna,b,n2+dnb);\n\t\tif ((dna + dnb) < 0)\n\t\t\tmemset(&r[2*n2 + dna + dnb], 0,\n\t\t\t\tsizeof(BN_ULONG) * -(dna + dnb));\n\t\treturn;\n\t\t}\n\tc1=bn_cmp_part_words(a,&(a[n]),tna,n-tna);\n\tc2=bn_cmp_part_words(&(b[n]),b,tnb,tnb-n);\n\tzero=neg=0;\n\tswitch (c1*3+c2)\n\t\t{\n\tcase -4:\n\t\tbn_sub_part_words(t, &(a[n]),a, tna,tna-n);\n\t\tbn_sub_part_words(&(t[n]),b, &(b[n]),tnb,n-tnb);\n\t\tbreak;\n\tcase -3:\n\t\tzero=1;\n\t\tbreak;\n\tcase -2:\n\t\tbn_sub_part_words(t, &(a[n]),a, tna,tna-n);\n\t\tbn_sub_part_words(&(t[n]),&(b[n]),b, tnb,tnb-n);\n\t\tneg=1;\n\t\tbreak;\n\tcase -1:\n\tcase 0:\n\tcase 1:\n\t\tzero=1;\n\t\tbreak;\n\tcase 2:\n\t\tbn_sub_part_words(t, a, &(a[n]),tna,n-tna);\n\t\tbn_sub_part_words(&(t[n]),b, &(b[n]),tnb,n-tnb);\n\t\tneg=1;\n\t\tbreak;\n\tcase 3:\n\t\tzero=1;\n\t\tbreak;\n\tcase 4:\n\t\tbn_sub_part_words(t, a, &(a[n]),tna,n-tna);\n\t\tbn_sub_part_words(&(t[n]),&(b[n]),b, tnb,tnb-n);\n\t\tbreak;\n\t\t}\n# ifdef BN_MUL_COMBA\n\tif (n == 4 && dna == 0 && dnb == 0)\n\t\t{\n\t\tif (!zero)\n\t\t\tbn_mul_comba4(&(t[n2]),t,&(t[n]));\n\t\telse\n\t\t\tmemset(&(t[n2]),0,8*sizeof(BN_ULONG));\n\t\tbn_mul_comba4(r,a,b);\n\t\tbn_mul_comba4(&(r[n2]),&(a[n]),&(b[n]));\n\t\t}\n\telse if (n == 8 && dna == 0 && dnb == 0)\n\t\t{\n\t\tif (!zero)\n\t\t\tbn_mul_comba8(&(t[n2]),t,&(t[n]));\n\t\telse\n\t\t\tmemset(&(t[n2]),0,16*sizeof(BN_ULONG));\n\t\tbn_mul_comba8(r,a,b);\n\t\tbn_mul_comba8(&(r[n2]),&(a[n]),&(b[n]));\n\t\t}\n\telse\n# endif\n\t\t{\n\t\tp= &(t[n2*2]);\n\t\tif (!zero)\n\t\t\tbn_mul_recursive(&(t[n2]),t,&(t[n]),n,0,0,p);\n\t\telse\n\t\t\tmemset(&(t[n2]),0,n2*sizeof(BN_ULONG));\n\t\tbn_mul_recursive(r,a,b,n,0,0,p);\n\t\tbn_mul_recursive(&(r[n2]),&(a[n]),&(b[n]),n,dna,dnb,p);\n\t\t}\n\tc1=(int)(bn_add_words(t,r,&(r[n2]),n2));\n\tif (neg)\n\t\t{\n\t\tc1-=(int)(bn_sub_words(&(t[n2]),t,&(t[n2]),n2));\n\t\t}\n\telse\n\t\t{\n\t\tc1+=(int)(bn_add_words(&(t[n2]),&(t[n2]),t,n2));\n\t\t}\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 < (BN_ULONG)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_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int 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}'] |
15,621 | 0 | https://github.com/openssl/openssl/blob/67dc995eaf538ea309c6292a1a5073465201f55b/ssl/packet.c/#L48 | 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->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;
} | ['EXT_RETURN tls_construct_stoc_status_request(SSL *s, WPACKET *pkt,\n unsigned int context, X509 *x,\n size_t chainidx, int *al)\n{\n if (!s->ext.status_expected)\n return EXT_RETURN_NOT_SENT;\n if (SSL_IS_TLS13(s) && chainidx != 0)\n return EXT_RETURN_NOT_SENT;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_STOC_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n if ((SSL_IS_TLS13(s) && !tls_construct_cert_status_body(s, pkt))\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_STOC_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n return EXT_RETURN_SENT;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n unsigned char *data;\n if (!ossl_assert(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_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 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 if (!ossl_assert(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}'] |
15,622 | 0 | https://github.com/openssl/openssl/blob/0f3ffbd1581fad58095fedcc32b0da42a486b8b7/crypto/init.c/#L388 | int ossl_init_thread_start(uint64_t opts)
{
struct thread_local_inits_st *locals;
if (!OPENSSL_init_crypto(0, NULL))
return 0;
locals = ossl_init_get_thread_local(1);
if (locals == NULL)
return 0;
if (opts & OPENSSL_INIT_THREAD_ASYNC) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for async\n");
#endif
locals->async = 1;
}
if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for err_state\n");
#endif
locals->err_state = 1;
}
return 1;
} | ['int ossl_init_thread_start(uint64_t opts)\n{\n struct thread_local_inits_st *locals;\n if (!OPENSSL_init_crypto(0, NULL))\n return 0;\n locals = ossl_init_get_thread_local(1);\n if (locals == NULL)\n return 0;\n if (opts & OPENSSL_INIT_THREAD_ASYNC) {\n#ifdef OPENSSL_INIT_DEBUG\n fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "\n "marking thread for async\\n");\n#endif\n locals->async = 1;\n }\n if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {\n#ifdef OPENSSL_INIT_DEBUG\n fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "\n "marking thread for err_state\\n");\n#endif\n locals->err_state = 1;\n }\n return 1;\n}', 'static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc)\n{\n struct thread_local_inits_st *local =\n CRYPTO_THREAD_get_local(&threadstopkey);\n if (local == NULL && alloc) {\n local = OPENSSL_zalloc(sizeof *local);\n if (local != NULL && !CRYPTO_THREAD_set_local(&threadstopkey, local)) {\n OPENSSL_free(local);\n return NULL;\n }\n }\n if (!alloc) {\n CRYPTO_THREAD_set_local(&threadstopkey, NULL);\n }\n return local;\n}', 'void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)\n{\n return pthread_getspecific(*key);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}'] |
15,623 | 0 | https://github.com/openssl/openssl/blob/ddc6a5c8f5900959bdbdfee79e1625a3f7808acd/crypto/bn/bn_rand.c/#L83 | static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom)
{
unsigned char *buf = NULL;
int b, ret = 0, bit, bytes, mask;
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
goto toosmall;
BN_zero(rnd);
return 1;
}
if (bits < 0 || (bits == 1 && top > 0))
goto toosmall;
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
b = flag == NORMAL ? RAND_bytes(buf, bytes) : RAND_priv_bytes(buf, bytes);
if (b <= 0)
goto err;
if (flag == TESTING) {
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top >= 0) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom)
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return (ret);
toosmall:
BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
return 0;
} | ['static int char2_curve_test(int n)\n{\n int r = 0;\n BN_CTX *ctx = NULL;\n BIGNUM *p = NULL, *a = NULL, *b = NULL;\n BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;\n EC_GROUP *group = NULL, *variable = NULL;\n EC_POINT *P = NULL, *Q = NULL, *R = NULL;\n const EC_POINT *points[3];\n const BIGNUM *scalars[3];\n struct c2_curve_test *const test = char2_curve_tests + n;\n if (!TEST_ptr(ctx = BN_CTX_new())\n || !TEST_ptr(p = BN_new())\n || !TEST_ptr(a = BN_new())\n || !TEST_ptr(b = BN_new())\n || !TEST_ptr(x = BN_new())\n || !TEST_ptr(y = BN_new())\n || !TEST_ptr(z = BN_new())\n || !TEST_ptr(yplusone = BN_new())\n || !TEST_true(BN_hex2bn(&p, test->p))\n || !TEST_true(BN_hex2bn(&a, test->a))\n || !TEST_true(BN_hex2bn(&b, test->b))\n || !TEST_true(group = EC_GROUP_new(EC_GF2m_simple_method()))\n || !TEST_true(EC_GROUP_set_curve_GF2m(group, p, a, b, ctx))\n || !TEST_ptr(P = EC_POINT_new(group))\n || !TEST_ptr(Q = EC_POINT_new(group))\n || !TEST_ptr(R = EC_POINT_new(group))\n || !TEST_true(BN_hex2bn(&x, test->x))\n || !TEST_true(BN_hex2bn(&y, test->y))\n || !TEST_true(BN_add(yplusone, y, BN_value_one())))\n goto err;\n# ifdef OPENSSL_EC_BIN_PT_COMP\n if (!TEST_false(EC_POINT_set_affine_coordinates_GF2m(group, P, x, yplusone,\n ctx))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GF2m(group, P, x,\n test->y_bit,\n ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, test->order))\n || !TEST_true(BN_hex2bn(&cof, test->cof))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, cof))\n || !TEST_true(EC_POINT_get_affine_coordinates_GF2m(group, P, x, y,\n ctx)))\n goto err;\n TEST_info("%s -- Generator", test->name);\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, test->y))\n || !TEST_BN_eq(y, z))\n goto err;\n# else\n if (!TEST_false(EC_POINT_set_affine_coordinates_GF2m(group, P, x, yplusone,\n ctx))\n || !TEST_true(EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, test->order))\n || !TEST_true(BN_hex2bn(&cof, test->cof))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, cof)))\n goto err;\n TEST_info("%s -- Generator:", test->name);\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n# endif\n if (!TEST_int_eq(EC_GROUP_get_degree(group), test->degree)\n || !group_order_tests(group)\n || !TEST_ptr(variable = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(variable, group)))\n goto err;\n if (n == OSSL_NELEM(char2_curve_tests) - 1) {\n if (!TEST_true(EC_POINT_set_affine_coordinates_GF2m(group, P, x, y,\n ctx))\n || !TEST_true(EC_POINT_copy(Q, P))\n || !TEST_false(EC_POINT_is_at_infinity(group, Q))\n || !TEST_true(EC_POINT_dbl(group, P, P, ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(EC_POINT_invert(group, Q, ctx))\n || !TEST_true(EC_POINT_add(group, R, P, Q, ctx))\n || !TEST_true(EC_POINT_add(group, R, R, Q, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, R))\n || !TEST_false(EC_POINT_is_at_infinity(group, Q)))\n goto err;\n points[0] = Q;\n points[1] = Q;\n points[2] = Q;\n if (!TEST_true(BN_add(y, z, BN_value_one()))\n || !TEST_BN_even(y)\n || !TEST_true(BN_rshift1(y, y)))\n goto err;\n scalars[0] = y;\n scalars[1] = y;\n TEST_note("combined multiplication ...");\n if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))\n || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx)))\n goto err;\n if (!TEST_true(BN_rand(y, BN_num_bits(y), 0, 0))\n || !TEST_true(BN_add(z, z, y)))\n goto err;\n BN_set_negative(z, 1);\n scalars[0] = y;\n scalars[1] = z;\n if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, P)))\n goto err;\n if (!TEST_true(BN_rand(x, BN_num_bits(y) - 1, 0, 0))\n || !TEST_true(BN_add(z, x, y)))\n goto err;\n BN_set_negative(z, 1);\n scalars[0] = x;\n scalars[1] = y;\n scalars[2] = z;\n if (!TEST_true(EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, P)))\n goto err;;\n }\n r = 1;\nerr:\n BN_CTX_free(ctx);\n BN_free(p);\n BN_free(a);\n BN_free(b);\n BN_free(x);\n BN_free(y);\n BN_free(z);\n BN_free(yplusone);\n BN_free(cof);\n EC_POINT_free(P);\n EC_POINT_free(Q);\n EC_POINT_free(R);\n EC_GROUP_free(group);\n EC_GROUP_free(variable);\n return r;\n}', 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)\n{\n return bnrand(NORMAL, rnd, bits, top, bottom);\n}', 'static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom)\n{\n unsigned char *buf = NULL;\n int b, ret = 0, bit, bytes, mask;\n if (bits == 0) {\n if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)\n goto toosmall;\n BN_zero(rnd);\n return 1;\n }\n if (bits < 0 || (bits == 1 && top > 0))\n goto toosmall;\n bytes = (bits + 7) / 8;\n bit = (bits - 1) % 8;\n mask = 0xff << (bit + 1);\n buf = OPENSSL_malloc(bytes);\n if (buf == NULL) {\n BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n b = flag == NORMAL ? RAND_bytes(buf, bytes) : RAND_priv_bytes(buf, bytes);\n if (b <= 0)\n goto err;\n if (flag == TESTING) {\n int i;\n unsigned char c;\n for (i = 0; i < bytes; i++) {\n if (RAND_bytes(&c, 1) <= 0)\n goto err;\n if (c >= 128 && i > 0)\n buf[i] = buf[i - 1];\n else if (c < 42)\n buf[i] = 0;\n else if (c < 84)\n buf[i] = 255;\n }\n }\n if (top >= 0) {\n if (top) {\n if (bit == 0) {\n buf[0] = 1;\n buf[1] |= 0x80;\n } else {\n buf[0] |= (3 << (bit - 1));\n }\n } else {\n buf[0] |= (1 << bit);\n }\n }\n buf[0] &= ~mask;\n if (bottom)\n buf[bytes - 1] |= 1;\n if (!BN_bin2bn(buf, bytes, rnd))\n goto err;\n ret = 1;\n err:\n OPENSSL_clear_free(buf, bytes);\n bn_check_top(rnd);\n return (ret);\ntoosmall:\n BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);\n return 0;\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}'] |
15,624 | 0 | https://github.com/openssl/openssl/blob/ee3a6c646ff8ea6b9ada5a58f4a0e7c9b7be944b/crypto/bn/bn_ctx.c/#L319 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_mod_exp2_mont(BIGNUM *rr, const BIGNUM *a1, const BIGNUM *p1,\n const BIGNUM *a2, const BIGNUM *p2, const BIGNUM *m,\n BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, b, bits1, bits2, ret =\n 0, wpos1, wpos2, window1, window2, wvalue1, wvalue2;\n int r_is_one = 1;\n BIGNUM *d, *r;\n const BIGNUM *a_mod_m;\n BIGNUM *val1[TABLE_SIZE], *val2[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n bn_check_top(a1);\n bn_check_top(p1);\n bn_check_top(a2);\n bn_check_top(p2);\n bn_check_top(m);\n if (!(m->d[0] & 1)) {\n BNerr(BN_F_BN_MOD_EXP2_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n bits1 = BN_num_bits(p1);\n bits2 = BN_num_bits(p2);\n if ((bits1 == 0) && (bits2 == 0)) {\n ret = BN_one(rr);\n return ret;\n }\n bits = (bits1 > bits2) ? bits1 : bits2;\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val1[0] = BN_CTX_get(ctx);\n val2[0] = BN_CTX_get(ctx);\n if (!d || !r || !val1[0] || !val2[0])\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 window1 = BN_window_bits_for_exponent_size(bits1);\n window2 = BN_window_bits_for_exponent_size(bits2);\n if (a1->neg || BN_ucmp(a1, m) >= 0) {\n if (!BN_mod(val1[0], a1, m, ctx))\n goto err;\n a_mod_m = val1[0];\n } else\n a_mod_m = a1;\n if (BN_is_zero(a_mod_m)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val1[0], a_mod_m, mont, ctx))\n goto err;\n if (window1 > 1) {\n if (!BN_mod_mul_montgomery(d, val1[0], val1[0], mont, ctx))\n goto err;\n j = 1 << (window1 - 1);\n for (i = 1; i < j; i++) {\n if (((val1[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val1[i], val1[i - 1], d, mont, ctx))\n goto err;\n }\n }\n if (a2->neg || BN_ucmp(a2, m) >= 0) {\n if (!BN_mod(val2[0], a2, m, ctx))\n goto err;\n a_mod_m = val2[0];\n } else\n a_mod_m = a2;\n if (BN_is_zero(a_mod_m)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val2[0], a_mod_m, mont, ctx))\n goto err;\n if (window2 > 1) {\n if (!BN_mod_mul_montgomery(d, val2[0], val2[0], mont, ctx))\n goto err;\n j = 1 << (window2 - 1);\n for (i = 1; i < j; i++) {\n if (((val2[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val2[i], val2[i - 1], d, mont, ctx))\n goto err;\n }\n }\n r_is_one = 1;\n wvalue1 = 0;\n wvalue2 = 0;\n wpos1 = 0;\n wpos2 = 0;\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (b = bits - 1; b >= 0; b--) {\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!wvalue1)\n if (BN_is_bit_set(p1, b)) {\n i = b - window1 + 1;\n while (!BN_is_bit_set(p1, i))\n i++;\n wpos1 = i;\n wvalue1 = 1;\n for (i = b - 1; i >= wpos1; i--) {\n wvalue1 <<= 1;\n if (BN_is_bit_set(p1, i))\n wvalue1++;\n }\n }\n if (!wvalue2)\n if (BN_is_bit_set(p2, b)) {\n i = b - window2 + 1;\n while (!BN_is_bit_set(p2, i))\n i++;\n wpos2 = i;\n wvalue2 = 1;\n for (i = b - 1; i >= wpos2; i--) {\n wvalue2 <<= 1;\n if (BN_is_bit_set(p2, i))\n wvalue2++;\n }\n }\n if (wvalue1 && b == wpos1) {\n if (!BN_mod_mul_montgomery(r, r, val1[wvalue1 >> 1], mont, ctx))\n goto err;\n wvalue1 = 0;\n r_is_one = 0;\n }\n if (wvalue2 && b == wpos2) {\n if (!BN_mod_mul_montgomery(r, r, val2[wvalue2 >> 1], mont, ctx))\n goto err;\n wvalue2 = 0;\n r_is_one = 0;\n }\n }\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}', '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_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);\n}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n int num = mont->N.top;\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return (0);\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return (1);\n }\n }\n#endif\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', '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_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}'] |
15,625 | 0 | https://github.com/libav/libav/blob/975a1447f76e8d30fc01e6ea5466c84faf3d76e4/libavcodec/mpegvideo.c/#L133 | const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
int i;
assert(p<=end);
if(p>=end)
return end;
for(i=0; i<3; i++){
uint32_t tmp= *state << 8;
*state= tmp + *(p++);
if(tmp == 0x100 || p==end)
return p;
}
while(p<end){
if (p[-1] > 1 ) p+= 3;
else if(p[-2] ) p+= 2;
else if(p[-3]|(p[-1]-1)) p++;
else{
p++;
break;
}
}
p= FFMIN(p, end)-4;
*state= AV_RB32(p);
return p+4;
} | ['static int decode_chunks(AVCodecContext *avctx,\n AVFrame *picture, int *data_size,\n const uint8_t *buf, int buf_size)\n{\n Mpeg1Context *s = avctx->priv_data;\n MpegEncContext *s2 = &s->mpeg_enc_ctx;\n const uint8_t *buf_ptr = buf;\n const uint8_t *buf_end = buf + buf_size;\n int ret, input_size;\n int last_code= 0;\n for(;;) {\n uint32_t start_code = -1;\n buf_ptr = ff_find_start_code(buf_ptr,buf_end, &start_code);\n if (start_code > 0x1ff){\n if(s2->pict_type != AV_PICTURE_TYPE_B || avctx->skip_frame <= AVDISCARD_DEFAULT){\n if(avctx->thread_count > 1){\n int i;\n avctx->execute(avctx, slice_decode_thread, &s2->thread_context[0], NULL, s->slice_count, sizeof(void*));\n for(i=0; i<s->slice_count; i++)\n s2->error_count += s2->thread_context[i]->error_count;\n }\n if (CONFIG_MPEG_VDPAU_DECODER && avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)\n ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count);\n if (slice_end(avctx, picture)) {\n if(s2->last_picture_ptr || s2->low_delay)\n *data_size = sizeof(AVPicture);\n }\n }\n s2->pict_type= 0;\n return FFMAX(0, buf_ptr - buf - s2->parse_context.last_index);\n }\n input_size = buf_end - buf_ptr;\n if(avctx->debug & FF_DEBUG_STARTCODE){\n av_log(avctx, AV_LOG_DEBUG, "%3X at %td left %d\\n", start_code, buf_ptr-buf, input_size);\n }\n switch(start_code) {\n case SEQ_START_CODE:\n if(last_code == 0){\n mpeg1_decode_sequence(avctx, buf_ptr,\n input_size);\n s->sync=1;\n }else{\n av_log(avctx, AV_LOG_ERROR, "ignoring SEQ_START_CODE after %X\\n", last_code);\n }\n break;\n case PICTURE_START_CODE:\n if (HAVE_THREADS && (avctx->active_thread_type&FF_THREAD_SLICE) && s->slice_count) {\n int i;\n avctx->execute(avctx, slice_decode_thread,\n s2->thread_context, NULL,\n s->slice_count, sizeof(void*));\n for (i = 0; i < s->slice_count; i++)\n s2->error_count += s2->thread_context[i]->error_count;\n s->slice_count = 0;\n }\n if(last_code == 0 || last_code == SLICE_MIN_START_CODE){\n if(mpeg_decode_postinit(avctx) < 0){\n av_log(avctx, AV_LOG_ERROR, "mpeg_decode_postinit() failure\\n");\n return -1;\n }\n if(mpeg1_decode_picture(avctx,\n buf_ptr, input_size) < 0)\n s2->pict_type=0;\n s2->first_slice = 1;\n last_code= PICTURE_START_CODE;\n }else{\n av_log(avctx, AV_LOG_ERROR, "ignoring pic after %X\\n", last_code);\n }\n break;\n case EXT_START_CODE:\n init_get_bits(&s2->gb, buf_ptr, input_size*8);\n switch(get_bits(&s2->gb, 4)) {\n case 0x1:\n if(last_code == 0){\n mpeg_decode_sequence_extension(s);\n }else{\n av_log(avctx, AV_LOG_ERROR, "ignoring seq ext after %X\\n", last_code);\n }\n break;\n case 0x2:\n mpeg_decode_sequence_display_extension(s);\n break;\n case 0x3:\n mpeg_decode_quant_matrix_extension(s2);\n break;\n case 0x7:\n mpeg_decode_picture_display_extension(s);\n break;\n case 0x8:\n if(last_code == PICTURE_START_CODE){\n mpeg_decode_picture_coding_extension(s);\n }else{\n av_log(avctx, AV_LOG_ERROR, "ignoring pic cod ext after %X\\n", last_code);\n }\n break;\n }\n break;\n case USER_START_CODE:\n mpeg_decode_user_data(avctx,\n buf_ptr, input_size);\n break;\n case GOP_START_CODE:\n if(last_code == 0){\n s2->first_field=0;\n mpeg_decode_gop(avctx,\n buf_ptr, input_size);\n s->sync=1;\n }else{\n av_log(avctx, AV_LOG_ERROR, "ignoring GOP_START_CODE after %X\\n", last_code);\n }\n break;\n default:\n if (start_code >= SLICE_MIN_START_CODE &&\n start_code <= SLICE_MAX_START_CODE && last_code!=0) {\n const int field_pic= s2->picture_structure != PICT_FRAME;\n int mb_y= (start_code - SLICE_MIN_START_CODE) << field_pic;\n last_code= SLICE_MIN_START_CODE;\n if(s2->picture_structure == PICT_BOTTOM_FIELD)\n mb_y++;\n if (mb_y >= s2->mb_height){\n av_log(s2->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\\n", mb_y, s2->mb_height);\n return -1;\n }\n if(s2->last_picture_ptr==NULL){\n if(s2->pict_type==AV_PICTURE_TYPE_B){\n if(!s2->closed_gop)\n break;\n }\n }\n if(s2->pict_type==AV_PICTURE_TYPE_I)\n s->sync=1;\n if(s2->next_picture_ptr==NULL){\n if(s2->pict_type==AV_PICTURE_TYPE_P && !s->sync) break;\n }\n if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==AV_PICTURE_TYPE_B)\n ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=AV_PICTURE_TYPE_I)\n || avctx->skip_frame >= AVDISCARD_ALL)\n break;\n if (!s->mpeg_enc_ctx_allocated) break;\n if(s2->codec_id == CODEC_ID_MPEG2VIDEO){\n if(mb_y < avctx->skip_top || mb_y >= s2->mb_height - avctx->skip_bottom)\n break;\n }\n if(!s2->pict_type){\n av_log(avctx, AV_LOG_ERROR, "Missing picture start code\\n");\n break;\n }\n if(s2->first_slice){\n s2->first_slice=0;\n if(mpeg_field_start(s2, buf, buf_size) < 0)\n return -1;\n }\n if(!s2->current_picture_ptr){\n av_log(avctx, AV_LOG_ERROR, "current_picture not initialized\\n");\n return -1;\n }\n if (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {\n s->slice_count++;\n break;\n }\n if(avctx->thread_count > 1){\n int threshold= (s2->mb_height*s->slice_count + avctx->thread_count/2) / avctx->thread_count;\n if(threshold <= mb_y){\n MpegEncContext *thread_context= s2->thread_context[s->slice_count];\n thread_context->start_mb_y= mb_y;\n thread_context->end_mb_y = s2->mb_height;\n if(s->slice_count){\n s2->thread_context[s->slice_count-1]->end_mb_y= mb_y;\n ff_update_duplicate_context(thread_context, s2);\n }\n init_get_bits(&thread_context->gb, buf_ptr, input_size*8);\n s->slice_count++;\n }\n buf_ptr += 2;\n }else{\n ret = mpeg_decode_slice(s, mb_y, &buf_ptr, input_size);\n emms_c();\n if(ret < 0){\n if(s2->resync_mb_x>=0 && s2->resync_mb_y>=0)\n ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x, s2->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);\n }else{\n ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x-1, s2->mb_y, AC_END|DC_END|MV_END);\n }\n }\n }\n break;\n }\n }\n}', 'const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){\n int i;\n assert(p<=end);\n if(p>=end)\n return end;\n for(i=0; i<3; i++){\n uint32_t tmp= *state << 8;\n *state= tmp + *(p++);\n if(tmp == 0x100 || p==end)\n return p;\n }\n while(p<end){\n if (p[-1] > 1 ) p+= 3;\n else if(p[-2] ) p+= 2;\n else if(p[-3]|(p[-1]-1)) p++;\n else{\n p++;\n break;\n }\n }\n p= FFMIN(p, end)-4;\n *state= AV_RB32(p);\n return p+4;\n}'] |
15,626 | 0 | https://github.com/openssl/openssl/blob/a4625290c37193f77a04e73899e1c2fe176c4991/crypto/pkcs7/pk7_doit.c/#L130 | static int PKCS7_bio_add_digest(BIO **pbio, X509_ALGOR *alg)
{
BIO *btmp;
const EVP_MD *md;
if ((btmp = BIO_new(BIO_f_md())) == NULL) {
PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, ERR_R_BIO_LIB);
goto err;
}
md = EVP_get_digestbyobj(alg->algorithm);
if (md == NULL) {
PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, PKCS7_R_UNKNOWN_DIGEST_TYPE);
goto err;
}
BIO_set_md(btmp, md);
if (*pbio == NULL)
*pbio = btmp;
else if (!BIO_push(*pbio, btmp)) {
PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, ERR_R_BIO_LIB);
goto err;
}
btmp = NULL;
return 1;
err:
BIO_free(btmp);
return 0;
} | ['static int PKCS7_bio_add_digest(BIO **pbio, X509_ALGOR *alg)\n{\n BIO *btmp;\n const EVP_MD *md;\n if ((btmp = BIO_new(BIO_f_md())) == NULL) {\n PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, ERR_R_BIO_LIB);\n goto err;\n }\n md = EVP_get_digestbyobj(alg->algorithm);\n if (md == NULL) {\n PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, PKCS7_R_UNKNOWN_DIGEST_TYPE);\n goto err;\n }\n BIO_set_md(btmp, md);\n if (*pbio == NULL)\n *pbio = btmp;\n else if (!BIO_push(*pbio, btmp)) {\n PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, ERR_R_BIO_LIB);\n goto err;\n }\n btmp = NULL;\n return 1;\n err:\n BIO_free(btmp);\n return 0;\n}', 'BIO_METHOD *BIO_f_md(void)\n{\n return (&methods_md);\n}', 'BIO *BIO_new(BIO_METHOD *method)\n{\n BIO *ret = OPENSSL_malloc(sizeof(*ret));\n if (ret == NULL) {\n BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n if (!BIO_set(ret, method)) {\n OPENSSL_free(ret);\n ret = NULL;\n }\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}', 'int OBJ_obj2nid(const ASN1_OBJECT *a)\n{\n const unsigned int *op;\n ADDED_OBJ ad, *adp;\n if (a == NULL)\n return (NID_undef);\n if (a->nid != 0)\n return (a->nid);\n if (a->length == 0)\n return NID_undef;\n if (added != NULL) {\n ad.type = ADDED_DATA;\n ad.obj = (ASN1_OBJECT *)a;\n adp = lh_ADDED_OBJ_retrieve(added, &ad);\n if (adp != NULL)\n return (adp->obj->nid);\n }\n op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);\n if (op == NULL)\n return (NID_undef);\n return (nid_objs[*op].nid);\n}', 'const char *OBJ_nid2sn(int n)\n{\n ADDED_OBJ ad, *adp;\n ASN1_OBJECT ob;\n if ((n >= 0) && (n < NUM_NID)) {\n if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {\n OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);\n return (NULL);\n }\n return (nid_objs[n].sn);\n } else if (added == NULL)\n return (NULL);\n else {\n ad.type = ADDED_NID;\n ad.obj = &ob;\n ob.nid = n;\n adp = lh_ADDED_OBJ_retrieve(added, &ad);\n if (adp != NULL)\n return (adp->obj->sn);\n else {\n OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);\n return (NULL);\n }\n }\n}', 'const EVP_MD *EVP_get_digestbyname(const char *name)\n{\n const EVP_MD *cp;\n if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL))\n return NULL;\n cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);\n return (cp);\n}', 'const char *OBJ_NAME_get(const char *name, int type)\n{\n OBJ_NAME on, *ret;\n int num = 0, alias;\n if (name == NULL)\n return (NULL);\n if ((names_lh == NULL) && !OBJ_NAME_init())\n return (NULL);\n alias = type & OBJ_NAME_ALIAS;\n type &= ~OBJ_NAME_ALIAS;\n on.name = name;\n on.type = type;\n for (;;) {\n ret = lh_OBJ_NAME_retrieve(names_lh, &on);\n if (ret == NULL)\n return (NULL);\n if ((ret->alias) && !alias) {\n if (++num > 10)\n return (NULL);\n on.name = ret->data;\n } else {\n return (ret->data);\n }\n }\n}', 'void *lh_retrieve(_LHASH *lh, const void *data)\n{\n unsigned long hash;\n LHASH_NODE **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_retrieve_miss++;\n return (NULL);\n } else {\n ret = (*rn)->data;\n lh->num_retrieve++;\n }\n return (ret);\n}', 'int BIO_free(BIO *a)\n{\n int i;\n if (a == NULL)\n return (0);\n i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO);\n#ifdef REF_PRINT\n REF_PRINT("BIO", a);\n#endif\n if (i > 0)\n return (1);\n#ifdef REF_CHECK\n if (i < 0) {\n fprintf(stderr, "BIO_free, bad reference count\\n");\n abort();\n }\n#endif\n if ((a->callback != NULL) &&\n ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))\n return (i);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);\n if ((a->method != NULL) && (a->method->destroy != NULL))\n a->method->destroy(a);\n OPENSSL_free(a);\n return (1);\n}', 'int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,\n int line)\n{\n int ret = 0;\n if (add_lock_callback != NULL) {\n#ifdef LOCK_DEBUG\n int before = *pointer;\n#endif\n ret = add_lock_callback(pointer, amount, type, file, line);\n#ifdef LOCK_DEBUG\n {\n CRYPTO_THREADID id;\n CRYPTO_THREADID_current(&id);\n fprintf(stderr, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\\n",\n CRYPTO_THREADID_hash(&id), before, amount, ret,\n CRYPTO_get_lock_name(type), file, line);\n }\n#endif\n } else {\n CRYPTO_lock(CRYPTO_LOCK | CRYPTO_WRITE, type, file, line);\n ret = *pointer + amount;\n#ifdef LOCK_DEBUG\n {\n CRYPTO_THREADID id;\n CRYPTO_THREADID_current(&id);\n fprintf(stderr, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\\n",\n CRYPTO_THREADID_hash(&id),\n *pointer, amount, ret,\n CRYPTO_get_lock_name(type), file, line);\n }\n#endif\n *pointer = ret;\n CRYPTO_lock(CRYPTO_UNLOCK | CRYPTO_WRITE, type, file, line);\n }\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}'] |
15,627 | 0 | https://github.com/libav/libav/blob/18b59956e0e94017f1b519bb42c7c937b2f9f8a4/libavcodec/psymodel.c/#L40 | int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,
const uint8_t **bands, const int* num_bands,
int num_groups, const uint8_t *group_map)
{
int i, j, k = 0;
ctx->avctx = avctx;
ctx->ch = av_mallocz(sizeof(ctx->ch[0]) * avctx->channels * 2);
ctx->group = av_mallocz(sizeof(ctx->group[0]) * num_groups);
ctx->bands = av_malloc (sizeof(ctx->bands[0]) * num_lens);
ctx->num_bands = av_malloc (sizeof(ctx->num_bands[0]) * num_lens);
memcpy(ctx->bands, bands, sizeof(ctx->bands[0]) * num_lens);
memcpy(ctx->num_bands, num_bands, sizeof(ctx->num_bands[0]) * num_lens);
for (i = 0; i < num_groups; i++) {
ctx->group[i].num_ch = group_map[i] + 1;
for (j = 0; j < ctx->group[i].num_ch * 2; j++)
ctx->group[i].ch[j] = &ctx->ch[k++];
}
switch (ctx->avctx->codec_id) {
case CODEC_ID_AAC:
ctx->model = &ff_aac_psy_model;
break;
}
if (ctx->model->init)
return ctx->model->init(ctx);
return 0;
} | ['int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,\n const uint8_t **bands, const int* num_bands,\n int num_groups, const uint8_t *group_map)\n{\n int i, j, k = 0;\n ctx->avctx = avctx;\n ctx->ch = av_mallocz(sizeof(ctx->ch[0]) * avctx->channels * 2);\n ctx->group = av_mallocz(sizeof(ctx->group[0]) * num_groups);\n ctx->bands = av_malloc (sizeof(ctx->bands[0]) * num_lens);\n ctx->num_bands = av_malloc (sizeof(ctx->num_bands[0]) * num_lens);\n memcpy(ctx->bands, bands, sizeof(ctx->bands[0]) * num_lens);\n memcpy(ctx->num_bands, num_bands, sizeof(ctx->num_bands[0]) * num_lens);\n for (i = 0; i < num_groups; i++) {\n ctx->group[i].num_ch = group_map[i] + 1;\n for (j = 0; j < ctx->group[i].num_ch * 2; j++)\n ctx->group[i].ch[j] = &ctx->ch[k++];\n }\n switch (ctx->avctx->codec_id) {\n case CODEC_ID_AAC:\n ctx->model = &ff_aac_psy_model;\n break;\n }\n if (ctx->model->init)\n return ctx->model->init(ctx);\n return 0;\n}', 'void *av_mallocz(size_t size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n assert(size);\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_MEMALIGN\n ptr = memalign(32,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
15,628 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/test/bntest.c/#L509 | int test_div(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_zero(b);
if (BN_div(d, c, a, b, ctx)) {
fprintf(stderr, "Division by zero succeeded!\n");
return 0;
}
for (i = 0; i < num0 + num1; i++) {
if (i < num1) {
BN_bntest_rand(a, 400, 0, 0);
BN_copy(b, a);
BN_lshift(a, a, i);
BN_add_word(a, i);
} else
BN_bntest_rand(b, 50 + 3 * (i - num1), 0, 0);
a->neg = rand_neg();
b->neg = rand_neg();
BN_div(d, c, a, b, ctx);
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " / ");
BN_print(bp, b);
BIO_puts(bp, " - ");
}
BN_print(bp, d);
BIO_puts(bp, "\n");
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " % ");
BN_print(bp, b);
BIO_puts(bp, " - ");
}
BN_print(bp, c);
BIO_puts(bp, "\n");
}
BN_mul(e, d, b, ctx);
BN_add(d, e, c);
BN_sub(d, d, a);
if (!BN_is_zero(d)) {
fprintf(stderr, "Division test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
return (1);
} | ['int test_div(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_zero(b);\n if (BN_div(d, c, a, b, ctx)) {\n fprintf(stderr, "Division by zero succeeded!\\n");\n return 0;\n }\n for (i = 0; i < num0 + num1; i++) {\n if (i < num1) {\n BN_bntest_rand(a, 400, 0, 0);\n BN_copy(b, a);\n BN_lshift(a, a, i);\n BN_add_word(a, i);\n } else\n BN_bntest_rand(b, 50 + 3 * (i - num1), 0, 0);\n a->neg = rand_neg();\n b->neg = rand_neg();\n BN_div(d, c, a, b, ctx);\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 }\n BN_print(bp, d);\n BIO_puts(bp, "\\n");\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " % ");\n BN_print(bp, b);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, c);\n BIO_puts(bp, "\\n");\n }\n BN_mul(e, d, b, ctx);\n BN_add(d, e, c);\n BN_sub(d, d, a);\n if (!BN_is_zero(d)) {\n fprintf(stderr, "Division 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}', 'void BN_free(BIGNUM *a)\n{\n if (a == NULL)\n return;\n bn_check_top(a);\n if (!BN_get_flags(a, BN_FLG_STATIC_DATA))\n bn_free_d(a);\n if (a->flags & BN_FLG_MALLOCED)\n OPENSSL_free(a);\n else {\n#if OPENSSL_API_COMPAT < 0x00908000L\n a->flags |= BN_FLG_FREE;\n#endif\n a->d = NULL;\n }\n}', 'int BN_get_flags(const BIGNUM *b, int n)\n{\n return b->flags & n;\n}'] |
15,629 | 0 | https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavcodec/h264.c/#L2836 | static int fill_default_ref_list(H264Context *h){
MpegEncContext * const s = &h->s;
int i, len;
if(h->slice_type_nos==FF_B_TYPE){
Picture *sorted[32];
int cur_poc, list;
int lens[2];
if(FIELD_PICTURE)
cur_poc= s->current_picture_ptr->field_poc[ s->picture_structure == PICT_BOTTOM_FIELD ];
else
cur_poc= s->current_picture_ptr->poc;
for(list= 0; list<2; list++){
len= add_sorted(sorted , h->short_ref, h->short_ref_count, cur_poc, 1^list);
len+=add_sorted(sorted+len, h->short_ref, h->short_ref_count, cur_poc, 0^list);
assert(len<=32);
len= build_def_list(h->default_ref_list[list] , sorted , len, 0, s->picture_structure);
len+=build_def_list(h->default_ref_list[list]+len, h->long_ref, 16 , 1, s->picture_structure);
assert(len<=32);
if(len < h->ref_count[list])
memset(&h->default_ref_list[list][len], 0, sizeof(Picture)*(h->ref_count[list] - len));
lens[list]= len;
}
if(lens[0] == lens[1] && lens[1] > 1){
for(i=0; h->default_ref_list[0][i].data[0] == h->default_ref_list[1][i].data[0] && i<lens[0]; i++);
if(i == lens[0])
FFSWAP(Picture, h->default_ref_list[1][0], h->default_ref_list[1][1]);
}
}else{
len = build_def_list(h->default_ref_list[0] , h->short_ref, h->short_ref_count, 0, s->picture_structure);
len+= build_def_list(h->default_ref_list[0]+len, h-> long_ref, 16 , 1, s->picture_structure);
assert(len <= 32);
if(len < h->ref_count[0])
memset(&h->default_ref_list[0][len], 0, sizeof(Picture)*(h->ref_count[0] - len));
}
#ifdef TRACE
for (i=0; i<h->ref_count[0]; i++) {
tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
}
if(h->slice_type_nos==FF_B_TYPE){
for (i=0; i<h->ref_count[1]; i++) {
tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[1][i].data[0]);
}
}
#endif
return 0;
} | ['static int fill_default_ref_list(H264Context *h){\n MpegEncContext * const s = &h->s;\n int i, len;\n if(h->slice_type_nos==FF_B_TYPE){\n Picture *sorted[32];\n int cur_poc, list;\n int lens[2];\n if(FIELD_PICTURE)\n cur_poc= s->current_picture_ptr->field_poc[ s->picture_structure == PICT_BOTTOM_FIELD ];\n else\n cur_poc= s->current_picture_ptr->poc;\n for(list= 0; list<2; list++){\n len= add_sorted(sorted , h->short_ref, h->short_ref_count, cur_poc, 1^list);\n len+=add_sorted(sorted+len, h->short_ref, h->short_ref_count, cur_poc, 0^list);\n assert(len<=32);\n len= build_def_list(h->default_ref_list[list] , sorted , len, 0, s->picture_structure);\n len+=build_def_list(h->default_ref_list[list]+len, h->long_ref, 16 , 1, s->picture_structure);\n assert(len<=32);\n if(len < h->ref_count[list])\n memset(&h->default_ref_list[list][len], 0, sizeof(Picture)*(h->ref_count[list] - len));\n lens[list]= len;\n }\n if(lens[0] == lens[1] && lens[1] > 1){\n for(i=0; h->default_ref_list[0][i].data[0] == h->default_ref_list[1][i].data[0] && i<lens[0]; i++);\n if(i == lens[0])\n FFSWAP(Picture, h->default_ref_list[1][0], h->default_ref_list[1][1]);\n }\n }else{\n len = build_def_list(h->default_ref_list[0] , h->short_ref, h->short_ref_count, 0, s->picture_structure);\n len+= build_def_list(h->default_ref_list[0]+len, h-> long_ref, 16 , 1, s->picture_structure);\n assert(len <= 32);\n if(len < h->ref_count[0])\n memset(&h->default_ref_list[0][len], 0, sizeof(Picture)*(h->ref_count[0] - len));\n }\n#ifdef TRACE\n for (i=0; i<h->ref_count[0]; i++) {\n tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);\n }\n if(h->slice_type_nos==FF_B_TYPE){\n for (i=0; i<h->ref_count[1]; i++) {\n tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[1][i].data[0]);\n }\n }\n#endif\n return 0;\n}'] |
15,630 | 0 | https://github.com/openssl/openssl/blob/6bc62a620e715f7580651ca932eab052aa527886/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int rsa_check_crt_components(const RSA *rsa, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *r = NULL, *p1 = NULL, *q1 = NULL;\n if (rsa->dmp1 == NULL || rsa->dmq1 == NULL || rsa->iqmp == NULL) {\n if (rsa->dmp1 != NULL || rsa->dmq1 != NULL || rsa->iqmp != NULL)\n return 0;\n return 1;\n }\n BN_CTX_start(ctx);\n r = BN_CTX_get(ctx);\n p1 = BN_CTX_get(ctx);\n q1 = BN_CTX_get(ctx);\n ret = (q1 != NULL)\n && (BN_copy(p1, rsa->p) != NULL)\n && BN_sub_word(p1, 1)\n && (BN_copy(q1, rsa->q) != NULL)\n && BN_sub_word(q1, 1)\n && (BN_cmp(rsa->dmp1, BN_value_one()) > 0)\n && (BN_cmp(rsa->dmp1, p1) < 0)\n && (BN_cmp(rsa->dmq1, BN_value_one()) > 0)\n && (BN_cmp(rsa->dmq1, q1) < 0)\n && (BN_cmp(rsa->iqmp, BN_value_one()) > 0)\n && (BN_cmp(rsa->iqmp, rsa->p) < 0)\n && BN_mod_mul(r, rsa->dmp1, rsa->e, p1, ctx)\n && BN_is_one(r)\n && BN_mod_mul(r, rsa->dmq1, rsa->e, q1, ctx)\n && BN_is_one(r)\n && BN_mod_mul(r, rsa->iqmp, rsa->q, rsa->p, ctx)\n && BN_is_one(r);\n BN_clear(p1);\n BN_clear(q1);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'int BN_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_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}', '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}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
15,631 | 0 | https://github.com/openssl/openssl/blob/e3713c365c2657236439fea00822a43aa396d112/test/lhash_test.c/#L185 | static int test_stress(void)
{
LHASH_OF(int) *h = lh_int_new(&stress_hash, &int_cmp);
const unsigned int n = 2500000;
unsigned int i;
int testresult = 0, *p;
if (!TEST_ptr(h))
goto end;
for (i = 0; i < n; i++) {
p = OPENSSL_malloc(sizeof(i));
if (!TEST_ptr(p)) {
TEST_info("lhash stress out of memory %d", i);
goto end;
}
*p = 3 * i + 1;
lh_int_insert(h, p);
}
if (!TEST_int_eq(lh_int_num_items(h), n))
goto end;
TEST_info("hash full statistics:");
OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);
TEST_note("hash full node usage:");
OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);
for (i = 0; i < n; i++) {
const int j = (7 * i + 4) % n * 3 + 1;
if (!TEST_ptr(p = lh_int_delete(h, &j))) {
TEST_info("lhash stress delete %d\n", i);
goto end;
}
if (!TEST_int_eq(*p, j)) {
TEST_info("lhash stress bad value %d", i);
goto end;
}
OPENSSL_free(p);
}
TEST_info("hash empty statistics:");
OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);
TEST_note("hash empty node usage:");
OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);
testresult = 1;
end:
lh_int_free(h);
return testresult;
} | ['static int test_stress(void)\n{\n LHASH_OF(int) *h = lh_int_new(&stress_hash, &int_cmp);\n const unsigned int n = 2500000;\n unsigned int i;\n int testresult = 0, *p;\n if (!TEST_ptr(h))\n goto end;\n for (i = 0; i < n; i++) {\n p = OPENSSL_malloc(sizeof(i));\n if (!TEST_ptr(p)) {\n TEST_info("lhash stress out of memory %d", i);\n goto end;\n }\n *p = 3 * i + 1;\n lh_int_insert(h, p);\n }\n if (!TEST_int_eq(lh_int_num_items(h), n))\n goto end;\n TEST_info("hash full statistics:");\n OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);\n TEST_note("hash full node usage:");\n OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);\n for (i = 0; i < n; i++) {\n const int j = (7 * i + 4) % n * 3 + 1;\n if (!TEST_ptr(p = lh_int_delete(h, &j))) {\n TEST_info("lhash stress delete %d\\n", i);\n goto end;\n }\n if (!TEST_int_eq(*p, j)) {\n TEST_info("lhash stress bad value %d", i);\n goto end;\n }\n OPENSSL_free(p);\n }\n TEST_info("hash empty statistics:");\n OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);\n TEST_note("hash empty node usage:");\n OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);\n testresult = 1;\nend:\n lh_int_free(h);\n return testresult;\n}', 'DEFINE_LHASH_OF(int)', '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}', '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}', 'void *OPENSSL_LH_insert(OPENSSL_LHASH *lh, void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n if ((lh->up_load <= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)) && !expand(lh))\n return NULL;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n if ((nn = OPENSSL_malloc(sizeof(*nn))) == NULL) {\n lh->error++;\n return NULL;\n }\n nn->data = data;\n nn->next = NULL;\n nn->hash = hash;\n *rn = nn;\n ret = NULL;\n lh->num_insert++;\n lh->num_items++;\n } else {\n ret = (*rn)->data;\n (*rn)->data = data;\n lh->num_replace++;\n }\n return ret;\n}'] |
15,632 | 0 | https://github.com/openssl/openssl/blob/67dc995eaf538ea309c6292a1a5073465201f55b/ssl/packet.c/#L48 | 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->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;
} | ['EXT_RETURN tls_construct_ctos_status_request(SSL *s, WPACKET *pkt,\n unsigned int context, X509 *x,\n size_t chainidx, int *al)\n{\n int i;\n if (x != NULL)\n return EXT_RETURN_NOT_SENT;\n if (s->ext.status_type != TLSEXT_STATUSTYPE_ocsp)\n return EXT_RETURN_NOT_SENT;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, TLSEXT_STATUSTYPE_ocsp)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n for (i = 0; i < sk_OCSP_RESPID_num(s->ext.ocsp.ids); i++) {\n unsigned char *idbytes;\n OCSP_RESPID *id = sk_OCSP_RESPID_value(s->ext.ocsp.ids, i);\n int idlen = i2d_OCSP_RESPID(id, NULL);\n if (idlen <= 0\n || !WPACKET_sub_allocate_bytes_u16(pkt, idlen, &idbytes)\n || i2d_OCSP_RESPID(id, &idbytes) != idlen) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST,\n ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n }\n if (!WPACKET_close(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n if (s->ext.ocsp.exts) {\n unsigned char *extbytes;\n int extlen = i2d_X509_EXTENSIONS(s->ext.ocsp.exts, NULL);\n if (extlen < 0) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST,\n ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n if (!WPACKET_allocate_bytes(pkt, extlen, &extbytes)\n || i2d_X509_EXTENSIONS(s->ext.ocsp.exts, &extbytes)\n != extlen) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST,\n ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n }\n if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n return EXT_RETURN_SENT;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n unsigned char *data;\n if (!ossl_assert(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_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 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 if (!ossl_assert(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}'] |
15,633 | 0 | https://github.com/libav/libav/blob/77b0443544fd5f5c3f974b7a4fa4f2f18f7ba8df/libavcodec/wmv2enc.c/#L47 | static int encode_ext_header(Wmv2Context *w){
MpegEncContext * const s= &w->s;
PutBitContext pb;
int code;
init_put_bits(&pb, s->avctx->extradata, s->avctx->extradata_size);
put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num);
put_bits(&pb, 11, FFMIN(s->bit_rate/1024, 2047));
put_bits(&pb, 1, w->mspel_bit=1);
put_bits(&pb, 1, s->loop_filter);
put_bits(&pb, 1, w->abt_flag=1);
put_bits(&pb, 1, w->j_type_bit=1);
put_bits(&pb, 1, w->top_left_mv_flag=0);
put_bits(&pb, 1, w->per_mb_rl_bit=1);
put_bits(&pb, 3, code=1);
flush_put_bits(&pb);
s->slice_height = s->mb_height / code;
return 0;
} | ['static int encode_ext_header(Wmv2Context *w){\n MpegEncContext * const s= &w->s;\n PutBitContext pb;\n int code;\n init_put_bits(&pb, s->avctx->extradata, s->avctx->extradata_size);\n put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num);\n put_bits(&pb, 11, FFMIN(s->bit_rate/1024, 2047));\n put_bits(&pb, 1, w->mspel_bit=1);\n put_bits(&pb, 1, s->loop_filter);\n put_bits(&pb, 1, w->abt_flag=1);\n put_bits(&pb, 1, w->j_type_bit=1);\n put_bits(&pb, 1, w->top_left_mv_flag=0);\n put_bits(&pb, 1, w->per_mb_rl_bit=1);\n put_bits(&pb, 3, code=1);\n flush_put_bits(&pb);\n s->slice_height = s->mb_height / code;\n return 0;\n}', 'static inline void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)\n{\n if(buffer_size < 0) {\n buffer_size = 0;\n buffer = NULL;\n }\n s->buf = buffer;\n s->buf_end = s->buf + buffer_size;\n#ifdef ALT_BITSTREAM_WRITER\n s->index=0;\n ((uint32_t*)(s->buf))[0]=0;\n#else\n s->buf_ptr = s->buf;\n s->bit_left=32;\n s->bit_buf=0;\n#endif\n}', 'static inline void put_bits(PutBitContext *s, int n, unsigned int value)\n{\n unsigned int bit_buf;\n int bit_left;\n assert(n == 32 || value < (1U << n));\n bit_buf = s->bit_buf;\n bit_left = s->bit_left;\n#ifdef BITSTREAM_WRITER_LE\n bit_buf |= value << (32 - bit_left);\n if (n >= bit_left) {\n#ifdef UNALIGNED_STORES_ARE_BAD\n if (3 & (intptr_t) s->buf_ptr) {\n s->buf_ptr[0] = bit_buf ;\n s->buf_ptr[1] = bit_buf >> 8;\n s->buf_ptr[2] = bit_buf >> 16;\n s->buf_ptr[3] = bit_buf >> 24;\n } else\n#endif\n *(uint32_t *)s->buf_ptr = le2me_32(bit_buf);\n s->buf_ptr+=4;\n bit_buf = (bit_left==32)?0:value >> bit_left;\n bit_left+=32;\n }\n bit_left-=n;\n#else\n if (n < bit_left) {\n bit_buf = (bit_buf<<n) | value;\n bit_left-=n;\n } else {\n bit_buf<<=bit_left;\n bit_buf |= value >> (n - bit_left);\n#ifdef UNALIGNED_STORES_ARE_BAD\n if (3 & (intptr_t) s->buf_ptr) {\n s->buf_ptr[0] = bit_buf >> 24;\n s->buf_ptr[1] = bit_buf >> 16;\n s->buf_ptr[2] = bit_buf >> 8;\n s->buf_ptr[3] = bit_buf ;\n } else\n#endif\n *(uint32_t *)s->buf_ptr = be2me_32(bit_buf);\n s->buf_ptr+=4;\n bit_left+=32 - n;\n bit_buf = value;\n }\n#endif\n s->bit_buf = bit_buf;\n s->bit_left = bit_left;\n}', 'static inline void flush_put_bits(PutBitContext *s)\n{\n#ifdef ALT_BITSTREAM_WRITER\n align_put_bits(s);\n#else\n#ifndef BITSTREAM_WRITER_LE\n s->bit_buf<<= s->bit_left;\n#endif\n while (s->bit_left < 32) {\n#ifdef BITSTREAM_WRITER_LE\n *s->buf_ptr++=s->bit_buf;\n s->bit_buf>>=8;\n#else\n *s->buf_ptr++=s->bit_buf >> 24;\n s->bit_buf<<=8;\n#endif\n s->bit_left+=8;\n }\n s->bit_left=32;\n s->bit_buf=0;\n#endif\n}'] |
15,634 | 0 | https://github.com/libav/libav/blob/52877251cfc309bd9d8b57905f6805222857aeb2/libavcodec/g722enc.c/#L129 | static inline void filter_samples(G722Context *c, const int16_t *samples,
int *xlow, int *xhigh)
{
int xout1, xout2;
c->prev_samples[c->prev_samples_pos++] = samples[0];
c->prev_samples[c->prev_samples_pos++] = samples[1];
ff_g722_apply_qmf(c->prev_samples + c->prev_samples_pos - 24, &xout1, &xout2);
*xlow = xout1 + xout2 >> 13;
*xhigh = xout1 - xout2 >> 13;
if (c->prev_samples_pos >= PREV_SAMPLES_BUF_SIZE) {
memmove(c->prev_samples,
c->prev_samples + c->prev_samples_pos - 22,
22 * sizeof(c->prev_samples[0]));
c->prev_samples_pos = 22;
}
} | ['static void g722_encode_trellis(G722Context *c, int trellis,\n uint8_t *dst, int nb_samples,\n const int16_t *samples)\n{\n int i, j, k;\n int frontier = 1 << trellis;\n struct TrellisNode **nodes[2];\n struct TrellisNode **nodes_next[2];\n int pathn[2] = {0, 0}, froze = -1;\n struct TrellisPath *p[2];\n for (i = 0; i < 2; i++) {\n nodes[i] = c->nodep_buf[i];\n nodes_next[i] = c->nodep_buf[i] + frontier;\n memset(c->nodep_buf[i], 0, 2 * frontier * sizeof(*c->nodep_buf));\n nodes[i][0] = c->node_buf[i] + frontier;\n nodes[i][0]->ssd = 0;\n nodes[i][0]->path = 0;\n nodes[i][0]->state = c->band[i];\n }\n for (i = 0; i < nb_samples >> 1; i++) {\n int xlow, xhigh;\n struct TrellisNode *next[2];\n int heap_pos[2] = {0, 0};\n for (j = 0; j < 2; j++) {\n next[j] = c->node_buf[j] + frontier*(i & 1);\n memset(nodes_next[j], 0, frontier * sizeof(**nodes_next));\n }\n filter_samples(c, &samples[2*i], &xlow, &xhigh);\n for (j = 0; j < frontier && nodes[0][j]; j++) {\n int range = j < frontier/2 ? 4 : 0;\n struct TrellisNode *cur_node = nodes[0][j];\n int ilow = encode_low(&cur_node->state, xlow);\n for (k = ilow - range; k <= ilow + range && k <= 63; k += 4) {\n int decoded, dec_diff, pos;\n uint32_t ssd;\n struct TrellisNode* node;\n if (k < 0)\n continue;\n decoded = av_clip((cur_node->state.scale_factor *\n ff_g722_low_inv_quant6[k] >> 10)\n + cur_node->state.s_predictor, -16384, 16383);\n dec_diff = xlow - decoded;\n#define STORE_NODE(index, UPDATE, VALUE)\\\n ssd = cur_node->ssd + dec_diff*dec_diff;\\\n \\\n if (ssd < cur_node->ssd)\\\n continue;\\\n if (heap_pos[index] < frontier) {\\\n pos = heap_pos[index]++;\\\n assert(pathn[index] < FREEZE_INTERVAL * frontier);\\\n node = nodes_next[index][pos] = next[index]++;\\\n node->path = pathn[index]++;\\\n } else {\\\n \\\n pos = (frontier>>1) + (heap_pos[index] & ((frontier>>1) - 1));\\\n if (ssd >= nodes_next[index][pos]->ssd)\\\n continue;\\\n heap_pos[index]++;\\\n node = nodes_next[index][pos];\\\n }\\\n node->ssd = ssd;\\\n node->state = cur_node->state;\\\n UPDATE;\\\n c->paths[index][node->path].value = VALUE;\\\n c->paths[index][node->path].prev = cur_node->path;\\\n \\\n while (pos > 0) {\\\n int parent = (pos - 1) >> 1;\\\n if (nodes_next[index][parent]->ssd <= ssd)\\\n break;\\\n FFSWAP(struct TrellisNode*, nodes_next[index][parent],\\\n nodes_next[index][pos]);\\\n pos = parent;\\\n }\n STORE_NODE(0, ff_g722_update_low_predictor(&node->state, k >> 2), k);\n }\n }\n for (j = 0; j < frontier && nodes[1][j]; j++) {\n int ihigh;\n struct TrellisNode *cur_node = nodes[1][j];\n for (ihigh = 0; ihigh < 4; ihigh++) {\n int dhigh, decoded, dec_diff, pos;\n uint32_t ssd;\n struct TrellisNode* node;\n dhigh = cur_node->state.scale_factor *\n ff_g722_high_inv_quant[ihigh] >> 10;\n decoded = av_clip(dhigh + cur_node->state.s_predictor,\n -16384, 16383);\n dec_diff = xhigh - decoded;\n STORE_NODE(1, ff_g722_update_high_predictor(&node->state, dhigh, ihigh), ihigh);\n }\n }\n for (j = 0; j < 2; j++) {\n FFSWAP(struct TrellisNode**, nodes[j], nodes_next[j]);\n if (nodes[j][0]->ssd > (1 << 16)) {\n for (k = 1; k < frontier && nodes[j][k]; k++)\n nodes[j][k]->ssd -= nodes[j][0]->ssd;\n nodes[j][0]->ssd = 0;\n }\n }\n if (i == froze + FREEZE_INTERVAL) {\n p[0] = &c->paths[0][nodes[0][0]->path];\n p[1] = &c->paths[1][nodes[1][0]->path];\n for (j = i; j > froze; j--) {\n dst[j] = p[1]->value << 6 | p[0]->value;\n p[0] = &c->paths[0][p[0]->prev];\n p[1] = &c->paths[1][p[1]->prev];\n }\n froze = i;\n pathn[0] = pathn[1] = 0;\n memset(nodes[0] + 1, 0, (frontier - 1)*sizeof(**nodes));\n memset(nodes[1] + 1, 0, (frontier - 1)*sizeof(**nodes));\n }\n }\n p[0] = &c->paths[0][nodes[0][0]->path];\n p[1] = &c->paths[1][nodes[1][0]->path];\n for (j = i; j > froze; j--) {\n dst[j] = p[1]->value << 6 | p[0]->value;\n p[0] = &c->paths[0][p[0]->prev];\n p[1] = &c->paths[1][p[1]->prev];\n }\n c->band[0] = nodes[0][0]->state;\n c->band[1] = nodes[1][0]->state;\n}', 'static inline void filter_samples(G722Context *c, const int16_t *samples,\n int *xlow, int *xhigh)\n{\n int xout1, xout2;\n c->prev_samples[c->prev_samples_pos++] = samples[0];\n c->prev_samples[c->prev_samples_pos++] = samples[1];\n ff_g722_apply_qmf(c->prev_samples + c->prev_samples_pos - 24, &xout1, &xout2);\n *xlow = xout1 + xout2 >> 13;\n *xhigh = xout1 - xout2 >> 13;\n if (c->prev_samples_pos >= PREV_SAMPLES_BUF_SIZE) {\n memmove(c->prev_samples,\n c->prev_samples + c->prev_samples_pos - 22,\n 22 * sizeof(c->prev_samples[0]));\n c->prev_samples_pos = 22;\n }\n}'] |
15,635 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/lhash/lhash.c/#L164 | 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;
}
}
} | ['void OBJ_NAME_do_all(int type, void (*fn) (const OBJ_NAME *, void *arg),\n void *arg)\n{\n OBJ_DOALL d;\n d.type = type;\n d.fn = fn;\n d.arg = arg;\n lh_OBJ_NAME_doall_OBJ_DOALL(names_lh, do_all_fn, &d);\n}', 'IMPLEMENT_LHASH_DOALL_ARG_CONST(OBJ_NAME, OBJ_DOALL)', '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}'] |
15,636 | 0 | https://github.com/openssl/openssl/blob/04485c5bc0dc7f49940e6d91b27cdcc7b83a8ab5/crypto/bn/bn_ctx.c/#L355 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static EVP_PKEY *b2i_dss(const unsigned char **in, unsigned int length,\n\t\t\t\t\t\tunsigned int bitlen, int ispub)\n\t{\n\tconst unsigned char *p = *in;\n\tEVP_PKEY *ret = NULL;\n\tDSA *dsa = NULL;\n\tBN_CTX *ctx = NULL;\n\tunsigned int nbyte;\n\tnbyte = (bitlen + 7) >> 3;\n\tdsa = DSA_new();\n\tret = EVP_PKEY_new();\n\tif (!dsa || !ret)\n\t\tgoto memerr;\n\tif (!read_lebn(&p, nbyte, &dsa->p))\n\t\tgoto memerr;\n\tif (!read_lebn(&p, 20, &dsa->q))\n\t\tgoto memerr;\n\tif (!read_lebn(&p, nbyte, &dsa->g))\n\t\tgoto memerr;\n\tif (ispub)\n\t\t{\n\t\tif (!read_lebn(&p, nbyte, &dsa->pub_key))\n\t\t\tgoto memerr;\n\t\t}\n\telse\n\t\t{\n\t\tif (!read_lebn(&p, 20, &dsa->priv_key))\n\t\t\tgoto memerr;\n\t\tif (!(dsa->pub_key = BN_new()))\n\t\t\tgoto memerr;\n\t\tif (!(ctx = BN_CTX_new()))\n\t\t\tgoto memerr;\n\t\tif (!BN_mod_exp(dsa->pub_key, dsa->g,\n\t\t\t\t\t\t dsa->priv_key, dsa->p, ctx))\n\t\t\tgoto memerr;\n\t\tBN_CTX_free(ctx);\n\t\t}\n\tEVP_PKEY_set1_DSA(ret, dsa);\n\tDSA_free(dsa);\n\t*in = p;\n\treturn ret;\n\tmemerr:\n\tPEMerr(PEM_F_B2I_DSS, ERR_R_MALLOC_FAILURE);\n\tif (dsa)\n\t\tDSA_free(dsa);\n\tif (ret)\n\t\tEVP_PKEY_free(ret);\n\tif (ctx)\n\t\tBN_CTX_free(ctx);\n\treturn NULL;\n\t}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n\t BN_CTX *ctx)\n\t{\n\tint ret;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n\tif (BN_is_odd(m))\n\t\t{\n# ifdef MONT_EXP_WORD\n\t\tif (a->top == 1 && !a->neg && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0))\n\t\t\t{\n\t\t\tBN_ULONG A = a->d[0];\n\t\t\tret=BN_mod_exp_mont_word(r,A,p,m,ctx,NULL);\n\t\t\t}\n\t\telse\n# endif\n\t\t\tret=BN_mod_exp_mont(r,a,p,m,ctx,NULL);\n\t\t}\n\telse\n#endif\n#ifdef RECP_MUL_MOD\n\t\t{ ret=BN_mod_exp_recp(r,a,p,m,ctx); }\n#else\n\t\t{ ret=BN_mod_exp_simple(r,a,p,m,ctx); }\n#endif\n\tbn_check_top(r);\n\treturn(ret);\n\t}', 'int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n\t\t const BIGNUM *m, BN_CTX *ctx)\n\t{\n\tint i,j,bits,ret=0,wstart,wend,window,wvalue;\n\tint start=1;\n\tBIGNUM *aa;\n\tBIGNUM *val[TABLE_SIZE];\n\tBN_RECP_CTX recp;\n\tif (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_RECP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n\t\treturn -1;\n\t\t}\n\tbits=BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tret = BN_one(r);\n\t\treturn ret;\n\t\t}\n\tBN_CTX_start(ctx);\n\taa = BN_CTX_get(ctx);\n\tval[0] = BN_CTX_get(ctx);\n\tif(!aa || !val[0]) goto err;\n\tBN_RECP_CTX_init(&recp);\n\tif (m->neg)\n\t\t{\n\t\tif (!BN_copy(aa, m)) goto err;\n\t\taa->neg = 0;\n\t\tif (BN_RECP_CTX_set(&recp,aa,ctx) <= 0) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (BN_RECP_CTX_set(&recp,m,ctx) <= 0) goto err;\n\t\t}\n\tif (!BN_nnmod(val[0],a,m,ctx)) goto err;\n\tif (BN_is_zero(val[0]))\n\t\t{\n\t\tBN_zero(r);\n\t\tret = 1;\n\t\tgoto err;\n\t\t}\n\twindow = BN_window_bits_for_exponent_size(bits);\n\tif (window > 1)\n\t\t{\n\t\tif (!BN_mod_mul_reciprocal(aa,val[0],val[0],&recp,ctx))\n\t\t\tgoto err;\n\t\tj=1<<(window-1);\n\t\tfor (i=1; i<j; i++)\n\t\t\t{\n\t\t\tif(((val[i] = BN_CTX_get(ctx)) == NULL) ||\n\t\t\t\t\t!BN_mod_mul_reciprocal(val[i],val[i-1],\n\t\t\t\t\t\taa,&recp,ctx))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tstart=1;\n\twvalue=0;\n\twstart=bits-1;\n\twend=0;\n\tif (!BN_one(r)) goto err;\n\tfor (;;)\n\t\t{\n\t\tif (BN_is_bit_set(p,wstart) == 0)\n\t\t\t{\n\t\t\tif (!start)\n\t\t\t\tif (!BN_mod_mul_reciprocal(r,r,r,&recp,ctx))\n\t\t\t\tgoto err;\n\t\t\tif (wstart == 0) break;\n\t\t\twstart--;\n\t\t\tcontinue;\n\t\t\t}\n\t\tj=wstart;\n\t\twvalue=1;\n\t\twend=0;\n\t\tfor (i=1; i<window; i++)\n\t\t\t{\n\t\t\tif (wstart-i < 0) break;\n\t\t\tif (BN_is_bit_set(p,wstart-i))\n\t\t\t\t{\n\t\t\t\twvalue<<=(i-wend);\n\t\t\t\twvalue|=1;\n\t\t\t\twend=i;\n\t\t\t\t}\n\t\t\t}\n\t\tj=wend+1;\n\t\tif (!start)\n\t\t\tfor (i=0; i<j; i++)\n\t\t\t\t{\n\t\t\t\tif (!BN_mod_mul_reciprocal(r,r,r,&recp,ctx))\n\t\t\t\t\tgoto err;\n\t\t\t\t}\n\t\tif (!BN_mod_mul_reciprocal(r,r,val[wvalue>>1],&recp,ctx))\n\t\t\tgoto err;\n\t\twstart-=wend+1;\n\t\twvalue=0;\n\t\tstart=0;\n\t\tif (wstart < 0) break;\n\t\t}\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\tBN_RECP_CTX_free(&recp);\n\tbn_check_top(r);\n\treturn(ret);\n\t}', '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 BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tint no_branch=0;\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\tno_branch=1;\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 (!no_branch && 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 || tmp == NULL || snum == NULL)\n\t\tgoto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (no_branch)\n\t\t{\n\t\tif (snum->top <= sdiv->top+1)\n\t\t\t{\n\t\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\t\tsnum->top = sdiv->top + 2;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\t\tsnum->d[snum->top] = 0;\n\t\t\tsnum->top ++;\n\t\t\t}\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop-no_branch;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (!no_branch)\n\t\t{\n\t\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t\t{\n\t\t\tbn_clear_top2max(&wnum);\n\t\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t\t*resp=1;\n\t\t\t}\n\t\telse\n\t\t\tres->top--;\n\t\t}\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\tif (no_branch)\tbn_correct_top(res);\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', '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}'] |
15,637 | 0 | https://github.com/libav/libav/blob/0bf511d579c7b21f1244eec688abf571ca1235bd/libavfilter/vf_slicify.c/#L59 | static int config_props(AVFilterLink *link)
{
SliceContext *slice = link->dst->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
slice->vshift = desc->log2_chroma_h;
return 0;
} | ['static int config_props(AVFilterLink *link)\n{\n SliceContext *slice = link->dst->priv;\n const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);\n slice->vshift = desc->log2_chroma_h;\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}'] |
15,638 | 0 | https://github.com/openssl/openssl/blob/a5fcd09e7552dedf87d5a1ff5d07a0397bc057cb/crypto/pkcs7/pk7_doit.c/#L565 | int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
{
int ret=0;
int i,j;
BIO *btmp;
BUF_MEM *buf_mem=NULL;
BUF_MEM *buf=NULL;
PKCS7_SIGNER_INFO *si;
EVP_MD_CTX *mdc,ctx_tmp;
STACK_OF(X509_ATTRIBUTE) *sk;
STACK_OF(PKCS7_SIGNER_INFO) *si_sk=NULL;
unsigned char *p,*pp=NULL;
int x;
ASN1_OCTET_STRING *os=NULL;
i=OBJ_obj2nid(p7->type);
p7->state=PKCS7_S_HEADER;
switch (i)
{
case NID_pkcs7_signedAndEnveloped:
si_sk=p7->d.signed_and_enveloped->signer_info;
os=M_ASN1_OCTET_STRING_new();
p7->d.signed_and_enveloped->enc_data->enc_data=os;
break;
case NID_pkcs7_enveloped:
os=M_ASN1_OCTET_STRING_new();
p7->d.enveloped->enc_data->enc_data=os;
break;
case NID_pkcs7_signed:
si_sk=p7->d.sign->signer_info;
os=p7->d.sign->contents->d.data;
if(p7->detached) {
M_ASN1_OCTET_STRING_free(os);
p7->d.sign->contents->d.data = NULL;
}
break;
}
if (si_sk != NULL)
{
if ((buf=BUF_MEM_new()) == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB);
goto err;
}
for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++)
{
si=sk_PKCS7_SIGNER_INFO_value(si_sk,i);
if (si->pkey == NULL) continue;
j=OBJ_obj2nid(si->digest_alg->algorithm);
btmp=bio;
for (;;)
{
if ((btmp=BIO_find_type(btmp,BIO_TYPE_MD))
== NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
goto err;
}
BIO_get_md_ctx(btmp,&mdc);
if (mdc == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_INTERNAL_ERROR);
goto err;
}
if (EVP_MD_type(EVP_MD_CTX_type(mdc)) == j)
break;
else
btmp=btmp->next_bio;
}
memcpy(&ctx_tmp,mdc,sizeof(ctx_tmp));
if (!BUF_MEM_grow(buf,EVP_PKEY_size(si->pkey)))
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB);
goto err;
}
sk=si->auth_attr;
if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
{
unsigned char md_data[EVP_MAX_MD_SIZE];
unsigned int md_len;
ASN1_OCTET_STRING *digest;
ASN1_UTCTIME *sign_time;
const EVP_MD *md_tmp;
sign_time=X509_gmtime_adj(NULL,0);
PKCS7_add_signed_attribute(si,
NID_pkcs9_signingTime,
V_ASN1_UTCTIME,sign_time);
md_tmp=EVP_MD_CTX_type(&ctx_tmp);
EVP_DigestFinal(&ctx_tmp,md_data,&md_len);
digest=M_ASN1_OCTET_STRING_new();
M_ASN1_OCTET_STRING_set(digest,md_data,md_len);
PKCS7_add_signed_attribute(si,
NID_pkcs9_messageDigest,
V_ASN1_OCTET_STRING,digest);
EVP_SignInit(&ctx_tmp,md_tmp);
x=i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,NULL,
i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
pp=(unsigned char *)Malloc(x);
p=pp;
i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,&p,
i2d_X509_ATTRIBUTE,
V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
EVP_SignUpdate(&ctx_tmp,pp,x);
Free(pp);
pp=NULL;
}
if (si->pkey->type == EVP_PKEY_DSA)
ctx_tmp.digest=EVP_dss1();
if (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data,
(unsigned int *)&buf->length,si->pkey))
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_EVP_LIB);
goto err;
}
if (!ASN1_STRING_set(si->enc_digest,
(unsigned char *)buf->data,buf->length))
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_ASN1_LIB);
goto err;
}
}
}
if (!p7->detached)
{
btmp=BIO_find_type(bio,BIO_TYPE_MEM);
if (btmp == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_UNABLE_TO_FIND_MEM_BIO);
goto err;
}
BIO_get_mem_ptr(btmp,&buf_mem);
BIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY);
BIO_set_mem_eof_return(btmp, 0);
os->data = (unsigned char *)buf_mem->data;
os->length = buf_mem->length;
#if 0
M_ASN1_OCTET_STRING_set(os,
(unsigned char *)buf_mem->data,buf_mem->length);
#endif
}
if (pp != NULL) Free(pp);
pp=NULL;
ret=1;
err:
if (buf != NULL) BUF_MEM_free(buf);
return(ret);
} | ['int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)\n\t{\n\tint ret=0;\n\tint i,j;\n\tBIO *btmp;\n\tBUF_MEM *buf_mem=NULL;\n\tBUF_MEM *buf=NULL;\n\tPKCS7_SIGNER_INFO *si;\n\tEVP_MD_CTX *mdc,ctx_tmp;\n\tSTACK_OF(X509_ATTRIBUTE) *sk;\n\tSTACK_OF(PKCS7_SIGNER_INFO) *si_sk=NULL;\n\tunsigned char *p,*pp=NULL;\n\tint x;\n\tASN1_OCTET_STRING *os=NULL;\n\ti=OBJ_obj2nid(p7->type);\n\tp7->state=PKCS7_S_HEADER;\n\tswitch (i)\n\t\t{\n\tcase NID_pkcs7_signedAndEnveloped:\n\t\tsi_sk=p7->d.signed_and_enveloped->signer_info;\n\t\tos=M_ASN1_OCTET_STRING_new();\n\t\tp7->d.signed_and_enveloped->enc_data->enc_data=os;\n\t\tbreak;\n\tcase NID_pkcs7_enveloped:\n\t\tos=M_ASN1_OCTET_STRING_new();\n\t\tp7->d.enveloped->enc_data->enc_data=os;\n\t\tbreak;\n\tcase NID_pkcs7_signed:\n\t\tsi_sk=p7->d.sign->signer_info;\n\t\tos=p7->d.sign->contents->d.data;\n\t\tif(p7->detached) {\n\t\t\tM_ASN1_OCTET_STRING_free(os);\n\t\t\tp7->d.sign->contents->d.data = NULL;\n\t\t}\n\t\tbreak;\n\t\t}\n\tif (si_sk != NULL)\n\t\t{\n\t\tif ((buf=BUF_MEM_new()) == NULL)\n\t\t\t{\n\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\tfor (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++)\n\t\t\t{\n\t\t\tsi=sk_PKCS7_SIGNER_INFO_value(si_sk,i);\n\t\t\tif (si->pkey == NULL) continue;\n\t\t\tj=OBJ_obj2nid(si->digest_alg->algorithm);\n\t\t\tbtmp=bio;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((btmp=BIO_find_type(btmp,BIO_TYPE_MD))\n\t\t\t\t\t== NULL)\n\t\t\t\t\t{\n\t\t\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tBIO_get_md_ctx(btmp,&mdc);\n\t\t\t\tif (mdc == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_INTERNAL_ERROR);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tif (EVP_MD_type(EVP_MD_CTX_type(mdc)) == j)\n\t\t\t\t\tbreak;\n\t\t\t\telse\n\t\t\t\t\tbtmp=btmp->next_bio;\n\t\t\t\t}\n\t\t\tmemcpy(&ctx_tmp,mdc,sizeof(ctx_tmp));\n\t\t\tif (!BUF_MEM_grow(buf,EVP_PKEY_size(si->pkey)))\n\t\t\t\t{\n\t\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tsk=si->auth_attr;\n\t\t\tif ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))\n\t\t\t\t{\n\t\t\t\tunsigned char md_data[EVP_MAX_MD_SIZE];\n\t\t\t\tunsigned int md_len;\n\t\t\t\tASN1_OCTET_STRING *digest;\n\t\t\t\tASN1_UTCTIME *sign_time;\n\t\t\t\tconst EVP_MD *md_tmp;\n\t\t\t\tsign_time=X509_gmtime_adj(NULL,0);\n\t\t\t\tPKCS7_add_signed_attribute(si,\n\t\t\t\t\tNID_pkcs9_signingTime,\n\t\t\t\t\tV_ASN1_UTCTIME,sign_time);\n\t\t\t\tmd_tmp=EVP_MD_CTX_type(&ctx_tmp);\n\t\t\t\tEVP_DigestFinal(&ctx_tmp,md_data,&md_len);\n\t\t\t\tdigest=M_ASN1_OCTET_STRING_new();\n\t\t\t\tM_ASN1_OCTET_STRING_set(digest,md_data,md_len);\n\t\t\t\tPKCS7_add_signed_attribute(si,\n\t\t\t\t\tNID_pkcs9_messageDigest,\n\t\t\t\t\tV_ASN1_OCTET_STRING,digest);\n\t\t\t\tEVP_SignInit(&ctx_tmp,md_tmp);\n\t\t\t\tx=i2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,NULL,\n\t\t\t\t\t i2d_X509_ATTRIBUTE,\n\t\t\t\t\t V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);\n\t\t\t\tpp=(unsigned char *)Malloc(x);\n\t\t\t\tp=pp;\n\t\t\t\ti2d_ASN1_SET_OF_X509_ATTRIBUTE(sk,&p,\n\t\t\t\t i2d_X509_ATTRIBUTE,\n\t\t\t\t\t V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);\n\t\t\t\tEVP_SignUpdate(&ctx_tmp,pp,x);\n\t\t\t\tFree(pp);\n\t\t\t\tpp=NULL;\n\t\t\t\t}\n\t\t\tif (si->pkey->type == EVP_PKEY_DSA)\n\t\t\t\tctx_tmp.digest=EVP_dss1();\n\t\t\tif (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data,\n\t\t\t\t(unsigned int *)&buf->length,si->pkey))\n\t\t\t\t{\n\t\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_EVP_LIB);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (!ASN1_STRING_set(si->enc_digest,\n\t\t\t\t(unsigned char *)buf->data,buf->length))\n\t\t\t\t{\n\t\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_ASN1_LIB);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (!p7->detached)\n\t\t{\n\t\tbtmp=BIO_find_type(bio,BIO_TYPE_MEM);\n\t\tif (btmp == NULL)\n\t\t\t{\n\t\t\tPKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_UNABLE_TO_FIND_MEM_BIO);\n\t\t\tgoto err;\n\t\t\t}\n\t\tBIO_get_mem_ptr(btmp,&buf_mem);\n\t\tBIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY);\n\t\tBIO_set_mem_eof_return(btmp, 0);\n\t\tos->data = (unsigned char *)buf_mem->data;\n\t\tos->length = buf_mem->length;\n#if 0\n\t\tM_ASN1_OCTET_STRING_set(os,\n\t\t\t(unsigned char *)buf_mem->data,buf_mem->length);\n#endif\n\t\t}\n\tif (pp != NULL) Free(pp);\n\tpp=NULL;\n\tret=1;\nerr:\n\tif (buf != NULL) BUF_MEM_free(buf);\n\treturn(ret);\n\t}'] |
15,639 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_ctx.c/#L276 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int dsa_do_verify(const unsigned char *dgst, int dgst_len,\n DSA_SIG *sig, DSA *dsa)\n{\n BN_CTX *ctx;\n BIGNUM *u1, *u2, *t1;\n BN_MONT_CTX *mont = NULL;\n const BIGNUM *r, *s;\n int ret = -1, i;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MISSING_PARAMETERS);\n return -1;\n }\n i = BN_num_bits(dsa->q);\n if (i != 160 && i != 224 && i != 256) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_BAD_Q_VALUE);\n return -1;\n }\n if (BN_num_bits(dsa->p) > OPENSSL_DSA_MAX_MODULUS_BITS) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MODULUS_TOO_LARGE);\n return -1;\n }\n u1 = BN_new();\n u2 = BN_new();\n t1 = BN_new();\n ctx = BN_CTX_new();\n if (u1 == NULL || u2 == NULL || t1 == NULL || ctx == NULL)\n goto err;\n DSA_SIG_get0(sig, &r, &s);\n if (BN_is_zero(r) || BN_is_negative(r) ||\n BN_ucmp(r, dsa->q) >= 0) {\n ret = 0;\n goto err;\n }\n if (BN_is_zero(s) || BN_is_negative(s) ||\n BN_ucmp(s, dsa->q) >= 0) {\n ret = 0;\n goto err;\n }\n if ((BN_mod_inverse(u2, s, dsa->q, ctx)) == NULL)\n goto err;\n if (dgst_len > (i >> 3))\n dgst_len = (i >> 3);\n if (BN_bin2bn(dgst, dgst_len, u1) == NULL)\n goto err;\n if (!BN_mod_mul(u1, u1, u2, dsa->q, ctx))\n goto err;\n if (!BN_mod_mul(u2, r, u2, dsa->q, ctx))\n goto err;\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n mont = BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n dsa->lock, dsa->p, ctx);\n if (!mont)\n goto err;\n }\n if (dsa->meth->dsa_mod_exp != NULL) {\n if (!dsa->meth->dsa_mod_exp(dsa, t1, dsa->g, u1, dsa->pub_key, u2,\n dsa->p, ctx, mont))\n goto err;\n } else {\n if (!BN_mod_exp2_mont(t1, dsa->g, u1, dsa->pub_key, u2, dsa->p, ctx,\n mont))\n goto err;\n }\n if (!BN_mod(u1, t1, dsa->q, ctx))\n goto err;\n ret = (BN_ucmp(u1, r) == 0);\n err:\n if (ret < 0)\n DSAerr(DSA_F_DSA_DO_VERIFY, ERR_R_BN_LIB);\n BN_CTX_free(ctx);\n BN_free(u1);\n BN_free(u2);\n BN_free(t1);\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}', '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 ret = bn_sqr_fixed_top(r, a, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_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}'] |
15,640 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/ssl/statem/statem_srvr.c/#L3092 | int tls_construct_cert_status(SSL *s)
{
unsigned char *p;
if (!BUF_MEM_grow(s->init_buf, 8 + s->tlsext_ocsp_resplen)) {
ossl_statem_set_error(s);
return 0;
}
p = (unsigned char *)s->init_buf->data;
*(p++) = SSL3_MT_CERTIFICATE_STATUS;
l2n3(s->tlsext_ocsp_resplen + 4, p);
*(p++) = s->tlsext_status_type;
l2n3(s->tlsext_ocsp_resplen, p);
memcpy(p, s->tlsext_ocsp_resp, s->tlsext_ocsp_resplen);
s->init_num = 8 + s->tlsext_ocsp_resplen;
s->init_off = 0;
return 1;
} | ['int tls_construct_cert_status(SSL *s)\n{\n unsigned char *p;\n if (!BUF_MEM_grow(s->init_buf, 8 + s->tlsext_ocsp_resplen)) {\n ossl_statem_set_error(s);\n return 0;\n }\n p = (unsigned char *)s->init_buf->data;\n *(p++) = SSL3_MT_CERTIFICATE_STATUS;\n l2n3(s->tlsext_ocsp_resplen + 4, p);\n *(p++) = s->tlsext_status_type;\n l2n3(s->tlsext_ocsp_resplen, p);\n memcpy(p, s->tlsext_ocsp_resp, s->tlsext_ocsp_resplen);\n s->init_num = 8 + s->tlsext_ocsp_resplen;\n s->init_off = 0;\n return 1;\n}', 'size_t BUF_MEM_grow(BUF_MEM *str, size_t len)\n{\n char *ret;\n size_t n;\n if (str->length >= len) {\n str->length = len;\n return (len);\n }\n if (str->max >= len) {\n memset(&str->data[str->length], 0, len - str->length);\n str->length = len;\n return (len);\n }\n if (len > LIMIT_BEFORE_EXPANSION) {\n BUFerr(BUF_F_BUF_MEM_GROW, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n n = (len + 3) / 3 * 4;\n if ((str->flags & BUF_MEM_FLAG_SECURE))\n ret = sec_alloc_realloc(str, n);\n else\n ret = OPENSSL_realloc(str->data, n);\n if (ret == NULL) {\n BUFerr(BUF_F_BUF_MEM_GROW, ERR_R_MALLOC_FAILURE);\n len = 0;\n } else {\n str->data = ret;\n str->max = n;\n memset(&str->data[str->length], 0, len - str->length);\n str->length = len;\n }\n return (len);\n}'] |
15,641 | 0 | https://github.com/openssl/openssl/blob/14c6d27d63795ead1b70d97e3303731b433c0db8/apps/speed.c/#L1210 | int MAIN(int argc, char **argv)
{
ENGINE *e;
unsigned char *buf=NULL,*buf2=NULL;
int mret=1;
#define ALGOR_NUM 15
#define SIZE_NUM 5
#define RSA_NUM 4
#define DSA_NUM 3
long count,rsa_count;
int i,j,k;
unsigned rsa_num;
#ifndef NO_MD2
unsigned char md2[MD2_DIGEST_LENGTH];
#endif
#ifndef NO_MDC2
unsigned char mdc2[MDC2_DIGEST_LENGTH];
#endif
#ifndef NO_MD4
unsigned char md4[MD4_DIGEST_LENGTH];
#endif
#ifndef NO_MD5
unsigned char md5[MD5_DIGEST_LENGTH];
unsigned char hmac[MD5_DIGEST_LENGTH];
#endif
#ifndef NO_SHA
unsigned char sha[SHA_DIGEST_LENGTH];
#endif
#ifndef NO_RIPEMD
unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];
#endif
#ifndef NO_RC4
RC4_KEY rc4_ks;
#endif
#ifndef NO_RC5
RC5_32_KEY rc5_ks;
#endif
#ifndef NO_RC2
RC2_KEY rc2_ks;
#endif
#ifndef NO_IDEA
IDEA_KEY_SCHEDULE idea_ks;
#endif
#ifndef NO_BF
BF_KEY bf_ks;
#endif
#ifndef NO_CAST
CAST_KEY cast_ks;
#endif
static unsigned char key16[16]=
{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
unsigned char iv[8];
#ifndef NO_DES
des_cblock *buf_as_des_cblock = NULL;
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,sch2,sch3;
#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_RC2 11
#define D_CBC_RC5 12
#define D_CBC_BF 13
#define D_CBC_CAST 14
double d,results[ALGOR_NUM][SIZE_NUM];
static int lengths[SIZE_NUM]={8,64,256,1024,8*1024};
long c[ALGOR_NUM][SIZE_NUM];
static char *names[ALGOR_NUM]={
"md2","mdc2","md4","md5","hmac(md5)","sha1","rmd160","rc4",
"des cbc","des ede3","idea cbc",
"rc2 cbc","rc5-32/12 cbc","blowfish cbc","cast cbc"};
#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_4096 3
#ifndef NO_RSA
RSA *rsa_key[RSA_NUM];
long rsa_c[RSA_NUM][2];
double rsa_results[RSA_NUM][2];
static unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};
static unsigned char *rsa_data[RSA_NUM]=
{test512,test1024,test2048,test4096};
static int rsa_data_length[RSA_NUM]={
sizeof(test512),sizeof(test1024),
sizeof(test2048),sizeof(test4096)};
#endif
#ifndef NO_DSA
DSA *dsa_key[DSA_NUM];
long dsa_c[DSA_NUM][2];
double dsa_results[DSA_NUM][2];
static unsigned int dsa_bits[DSA_NUM]={512,1024,2048};
#endif
int rsa_doit[RSA_NUM];
int dsa_doit[DSA_NUM];
int doit[ALGOR_NUM];
int pr_header=0;
int usertime=1;
#ifndef TIMES
usertime=-1;
#endif
apps_startup();
memset(results, 0, sizeof(results));
#ifndef NO_DSA
memset(dsa_key,0,sizeof(dsa_key));
#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);
#ifndef NO_RSA
memset(rsa_key,0,sizeof(rsa_key));
for (i=0; i<RSA_NUM; i++)
rsa_key[i]=NULL;
#endif
if ((buf=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
#ifndef NO_DES
buf_as_des_cblock = (des_cblock *)buf;
#endif
if ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
memset(c,0,sizeof(c));
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;
j=0;
argc--;
argv++;
while (argc)
{
if ((argc > 0) && (strcmp(*argv,"-elapsed") == 0))
usertime = 0;
else
if ((argc > 0) && (strcmp(*argv,"-engine") == 0))
{
argc--;
argv++;
if(argc == 0)
{
BIO_printf(bio_err,"no engine given\n");
goto end;
}
if((e = ENGINE_by_id(*argv)) == NULL)
{
BIO_printf(bio_err,"invalid engine \"%s\"\n",
*argv);
goto end;
}
if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
{
BIO_printf(bio_err,"can't use that engine\n");
goto end;
}
BIO_printf(bio_err,"engine \"%s\" set.\n", *argv);
ENGINE_free(e);
j--;
}
else
#ifndef NO_MD2
if (strcmp(*argv,"md2") == 0) doit[D_MD2]=1;
else
#endif
#ifndef NO_MDC2
if (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;
else
#endif
#ifndef NO_MD4
if (strcmp(*argv,"md4") == 0) doit[D_MD4]=1;
else
#endif
#ifndef NO_MD5
if (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;
else
#endif
#ifndef NO_MD5
if (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;
else
#endif
#ifndef NO_SHA
if (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;
else
if (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;
else
#endif
#ifndef NO_RIPEMD
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 NO_RC4
if (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;
else
#endif
#ifndef 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 NO_RSA
#ifdef RSAref
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_openssl_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,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;
else
#ifndef 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 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 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 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 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 NO_DES
if (strcmp(*argv,"des") == 0)
{
doit[D_CBC_DES]=1;
doit[D_EDE3_DES]=1;
}
else
#endif
#ifndef 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_4096]=1;
}
else
#endif
#ifndef NO_DSA
if (strcmp(*argv,"dsa") == 0)
{
dsa_doit[R_DSA_512]=1;
dsa_doit[R_DSA_1024]=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 NO_MD2
BIO_printf(bio_err,"md2 ");
#endif
#ifndef NO_MDC2
BIO_printf(bio_err,"mdc2 ");
#endif
#ifndef NO_MD4
BIO_printf(bio_err,"md4 ");
#endif
#ifndef NO_MD5
BIO_printf(bio_err,"md5 ");
#ifndef NO_HMAC
BIO_printf(bio_err,"hmac ");
#endif
#endif
#ifndef NO_SHA1
BIO_printf(bio_err,"sha1 ");
#endif
#ifndef NO_RIPEMD160
BIO_printf(bio_err,"rmd160");
#endif
#if !defined(NO_MD2) || !defined(NO_MDC2) || !defined(NO_MD4) || !defined(NO_MD5) || !defined(NO_SHA1) || !defined(NO_RIPEMD160)
BIO_printf(bio_err,"\n");
#endif
#ifndef NO_IDEA
BIO_printf(bio_err,"idea-cbc ");
#endif
#ifndef NO_RC2
BIO_printf(bio_err,"rc2-cbc ");
#endif
#ifndef NO_RC5
BIO_printf(bio_err,"rc5-cbc ");
#endif
#ifndef NO_BF
BIO_printf(bio_err,"bf-cbc");
#endif
#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_BF) || !defined(NO_RC5)
BIO_printf(bio_err,"\n");
#endif
BIO_printf(bio_err,"des-cbc des-ede3 ");
#ifndef NO_RC4
BIO_printf(bio_err,"rc4");
#endif
BIO_printf(bio_err,"\n");
#ifndef NO_RSA
BIO_printf(bio_err,"rsa512 rsa1024 rsa2048 rsa4096\n");
#endif
#ifndef NO_DSA
BIO_printf(bio_err,"dsa512 dsa1024 dsa2048\n");
#endif
#ifndef NO_IDEA
BIO_printf(bio_err,"idea ");
#endif
#ifndef NO_RC2
BIO_printf(bio_err,"rc2 ");
#endif
#ifndef NO_DES
BIO_printf(bio_err,"des ");
#endif
#ifndef NO_RSA
BIO_printf(bio_err,"rsa ");
#endif
#ifndef NO_BF
BIO_printf(bio_err,"blowfish");
#endif
#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_DES) || !defined(NO_RSA) || !defined(NO_BF)
BIO_printf(bio_err,"\n");
#endif
BIO_printf(bio_err,"\n");
BIO_printf(bio_err,"Available options:\n");
#ifdef TIMES
BIO_printf(bio_err,"-elapsed measure time in real time instead of CPU user time.\n");
#endif
BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
goto end;
}
argc--;
argv++;
j++;
}
if (j == 0)
{
for (i=0; i<ALGOR_NUM; i++)
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;
}
for (i=0; i<ALGOR_NUM; i++)
if (doit[i]) pr_header++;
if (usertime == 0)
BIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\n");
if (usertime <= 0)
{
BIO_printf(bio_err,"To get the most accurate results, try to run this\n");
BIO_printf(bio_err,"program when this computer is idle.\n");
}
#ifndef NO_RSA
for (i=0; i<RSA_NUM; i++)
{
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,"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 NO_DSA
dsa_key[0]=get_dsa512();
dsa_key[1]=get_dsa1024();
dsa_key[2]=get_dsa2048();
#endif
#ifndef NO_DES
des_set_key_unchecked(&key,sch);
des_set_key_unchecked(&key2,sch2);
des_set_key_unchecked(&key3,sch3);
#endif
#ifndef NO_IDEA
idea_set_encrypt_key(key16,&idea_ks);
#endif
#ifndef NO_RC4
RC4_set_key(&rc4_ks,16,key16);
#endif
#ifndef NO_RC2
RC2_set_key(&rc2_ks,16,key16,128);
#endif
#ifndef NO_RC5
RC5_32_set_key(&rc5_ks,16,key16,12);
#endif
#ifndef NO_BF
BF_set_key(&bf_ks,16,key16);
#endif
#ifndef NO_CAST
CAST_set_key(&cast_ks,16,key16);
#endif
#ifndef NO_RSA
memset(rsa_c,0,sizeof(rsa_c));
#endif
#ifndef SIGALRM
#ifndef NO_DES
BIO_printf(bio_err,"First we calculate the approximate speed ...\n");
count=10;
do {
long i;
count*=2;
Time_F(START,usertime);
for (i=count; i; i--)
des_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,
&(sch[0]),DES_ENCRYPT);
d=Time_F(STOP,usertime);
} while (d <3);
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_RC2][0]=count;
c[D_CBC_RC5][0]=count;
c[D_CBC_BF][0]=count;
c[D_CBC_CAST][0]=count;
for (i=1; i<SIZE_NUM; i++)
{
c[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];
c[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];
c[D_MD4][i]=c[D_MD4][0]*4*lengths[0]/lengths[i];
c[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];
c[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];
c[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];
c[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];
}
for (i=1; i<SIZE_NUM; i++)
{
long l0,l1;
l0=(long)lengths[i-1];
l1=(long)lengths[i];
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_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;
}
#ifndef 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
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;
}
}
}
#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)
#define COUNT(d) (count)
signal(SIGALRM,sig_done);
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MD2][j]); count++)
MD2(buf,(unsigned long)lengths[j],&(md2[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MD2],d);
results[D_MD2][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MDC2][j]); count++)
MDC2(buf,(unsigned long)lengths[j],&(mdc2[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MDC2],d);
results[D_MDC2][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MD4][j]); count++)
MD4(&(buf[0]),(unsigned long)lengths[j],&(md4[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MD4],d);
results[D_MD4][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MD5][j]); count++)
MD5(&(buf[0]),(unsigned long)lengths[j],&(md5[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MD5],d);
results[D_MD5][j]=((double)count)/d*lengths[j];
}
}
#endif
#if !defined(NO_MD5) && !defined(NO_HMAC)
if (doit[D_HMAC])
{
HMAC_CTX hctx;
HMAC_Init(&hctx,(unsigned char *)"This is a key...",
16,EVP_md5());
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);
Time_F(START,usertime);
for (count=0,run=1; COND(c[D_HMAC][j]); count++)
{
HMAC_Init(&hctx,NULL,0,NULL);
HMAC_Update(&hctx,buf,lengths[j]);
HMAC_Final(&hctx,&(hmac[0]),NULL);
}
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_HMAC],d);
results[D_HMAC][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef NO_SHA
if (doit[D_SHA1])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);
Time_F(START,usertime);
for (count=0,run=1; COND(c[D_SHA1][j]); count++)
SHA1(buf,(unsigned long)lengths[j],&(sha[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_SHA1],d);
results[D_SHA1][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef NO_RIPEMD
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,usertime);
for (count=0,run=1; COND(c[D_RMD160][j]); count++)
RIPEMD160(buf,(unsigned long)lengths[j],&(rmd160[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_RMD160],d);
results[D_RMD160][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_RC4][j]); count++)
RC4(&rc4_ks,(unsigned int)lengths[j],
buf,buf);
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_RC4],d);
results[D_RC4][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_CBC_DES][j]); count++)
des_ncbc_encrypt(buf,buf,lengths[j],sch,
&iv,DES_ENCRYPT);
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_DES],d);
results[D_CBC_DES][j]=((double)count)/d*lengths[j];
}
}
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,usertime);
for (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)
des_ede3_cbc_encrypt(buf,buf,lengths[j],
sch,sch2,sch3,
&iv,DES_ENCRYPT);
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_EDE3_DES],d);
results[D_EDE3_DES][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_IDEA],d);
results[D_CBC_IDEA][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_RC2],d);
results[D_CBC_RC2][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_RC5],d);
results[D_CBC_RC5][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_BF],d);
results[D_CBC_BF][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_CAST],d);
results[D_CBC_CAST][j]=((double)count)/d*lengths[j];
}
}
#endif
RAND_pseudo_bytes(buf,36);
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,
"%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);
dsa_doit[j] = 0;
}
else
{
pkey_print_message("public","rsa",
rsa_c[j][1],rsa_bits[j],
RSA_SECONDS);
Time_F(START,usertime);
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,usertime);
BIO_printf(bio_err,
"%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 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;
DSA_generate_key(dsa_key[j]);
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,usertime);
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,usertime);
BIO_printf(bio_err,"%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,usertime);
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,usertime);
BIO_printf(bio_err,"%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
fprintf(stdout,"%s\n",SSLeay_version(SSLEAY_VERSION));
fprintf(stdout,"%s\n",SSLeay_version(SSLEAY_BUILT_ON));
printf("options:");
printf("%s ",BN_options());
#ifndef NO_MD2
printf("%s ",MD2_options());
#endif
#ifndef NO_RC4
printf("%s ",RC4_options());
#endif
#ifndef NO_DES
printf("%s ",des_options());
#endif
#ifndef NO_IDEA
printf("%s ",idea_options());
#endif
#ifndef NO_BF
printf("%s ",BF_options());
#endif
fprintf(stdout,"\n%s\n",SSLeay_version(SSLEAY_CFLAGS));
if (pr_header)
{
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,"%7d bytes",lengths[j]);
fprintf(stdout,"\n");
}
for (k=0; k<ALGOR_NUM; k++)
{
if (!doit[k]) continue;
fprintf(stdout,"%-13s",names[k]);
for (j=0; j<SIZE_NUM; j++)
{
if (results[k][j] > 10000)
fprintf(stdout," %11.2fk",results[k][j]/1e3);
else
fprintf(stdout," %11.2f ",results[k][j]);
}
fprintf(stdout,"\n");
}
#ifndef NO_RSA
j=1;
for (k=0; k<RSA_NUM; k++)
{
if (!rsa_doit[k]) continue;
if (j)
{
printf("%18ssign verify sign/s verify/s\n"," ");
j=0;
}
fprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",
rsa_bits[k],rsa_results[k][0],rsa_results[k][1],
1.0/rsa_results[k][0],1.0/rsa_results[k][1]);
fprintf(stdout,"\n");
}
#endif
#ifndef NO_DSA
j=1;
for (k=0; k<DSA_NUM; k++)
{
if (!dsa_doit[k]) continue;
if (j) {
printf("%18ssign verify sign/s verify/s\n"," ");
j=0;
}
fprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",
dsa_bits[k],dsa_results[k][0],dsa_results[k][1],
1.0/dsa_results[k][0],1.0/dsa_results[k][1]);
fprintf(stdout,"\n");
}
#endif
mret=0;
end:
ERR_print_errors(bio_err);
if (buf != NULL) OPENSSL_free(buf);
if (buf2 != NULL) OPENSSL_free(buf2);
#ifndef NO_RSA
for (i=0; i<RSA_NUM; i++)
if (rsa_key[i] != NULL)
RSA_free(rsa_key[i]);
#endif
#ifndef NO_DSA
for (i=0; i<DSA_NUM; i++)
if (dsa_key[i] != NULL)
DSA_free(dsa_key[i]);
#endif
EXIT(mret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tENGINE *e;\n\tunsigned char *buf=NULL,*buf2=NULL;\n\tint mret=1;\n#define ALGOR_NUM\t15\n#define SIZE_NUM\t5\n#define RSA_NUM\t\t4\n#define DSA_NUM\t\t3\n\tlong count,rsa_count;\n\tint i,j,k;\n\tunsigned rsa_num;\n#ifndef NO_MD2\n\tunsigned char md2[MD2_DIGEST_LENGTH];\n#endif\n#ifndef NO_MDC2\n\tunsigned char mdc2[MDC2_DIGEST_LENGTH];\n#endif\n#ifndef NO_MD4\n\tunsigned char md4[MD4_DIGEST_LENGTH];\n#endif\n#ifndef NO_MD5\n\tunsigned char md5[MD5_DIGEST_LENGTH];\n\tunsigned char hmac[MD5_DIGEST_LENGTH];\n#endif\n#ifndef NO_SHA\n\tunsigned char sha[SHA_DIGEST_LENGTH];\n#endif\n#ifndef NO_RIPEMD\n\tunsigned char rmd160[RIPEMD160_DIGEST_LENGTH];\n#endif\n#ifndef NO_RC4\n\tRC4_KEY rc4_ks;\n#endif\n#ifndef NO_RC5\n\tRC5_32_KEY rc5_ks;\n#endif\n#ifndef NO_RC2\n\tRC2_KEY rc2_ks;\n#endif\n#ifndef NO_IDEA\n\tIDEA_KEY_SCHEDULE idea_ks;\n#endif\n#ifndef NO_BF\n\tBF_KEY bf_ks;\n#endif\n#ifndef NO_CAST\n\tCAST_KEY cast_ks;\n#endif\n\tstatic unsigned char key16[16]=\n\t\t{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,\n\t\t 0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tunsigned char iv[8];\n#ifndef NO_DES\n\tdes_cblock *buf_as_des_cblock = NULL;\n\tstatic des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};\n\tstatic des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tstatic des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};\n\tdes_key_schedule sch,sch2,sch3;\n#endif\n#define\tD_MD2\t\t0\n#define\tD_MDC2\t\t1\n#define\tD_MD4\t\t2\n#define\tD_MD5\t\t3\n#define\tD_HMAC\t\t4\n#define\tD_SHA1\t\t5\n#define D_RMD160\t6\n#define\tD_RC4\t\t7\n#define\tD_CBC_DES\t8\n#define\tD_EDE3_DES\t9\n#define\tD_CBC_IDEA\t10\n#define\tD_CBC_RC2\t11\n#define\tD_CBC_RC5\t12\n#define\tD_CBC_BF\t13\n#define\tD_CBC_CAST\t14\n\tdouble d,results[ALGOR_NUM][SIZE_NUM];\n\tstatic int lengths[SIZE_NUM]={8,64,256,1024,8*1024};\n\tlong c[ALGOR_NUM][SIZE_NUM];\n\tstatic char *names[ALGOR_NUM]={\n\t\t"md2","mdc2","md4","md5","hmac(md5)","sha1","rmd160","rc4",\n\t\t"des cbc","des ede3","idea cbc",\n\t\t"rc2 cbc","rc5-32/12 cbc","blowfish cbc","cast cbc"};\n#define\tR_DSA_512\t0\n#define\tR_DSA_1024\t1\n#define\tR_DSA_2048\t2\n#define\tR_RSA_512\t0\n#define\tR_RSA_1024\t1\n#define\tR_RSA_2048\t2\n#define\tR_RSA_4096\t3\n#ifndef NO_RSA\n\tRSA *rsa_key[RSA_NUM];\n\tlong rsa_c[RSA_NUM][2];\n\tdouble rsa_results[RSA_NUM][2];\n\tstatic unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};\n\tstatic unsigned char *rsa_data[RSA_NUM]=\n\t\t{test512,test1024,test2048,test4096};\n\tstatic int rsa_data_length[RSA_NUM]={\n\t\tsizeof(test512),sizeof(test1024),\n\t\tsizeof(test2048),sizeof(test4096)};\n#endif\n#ifndef NO_DSA\n\tDSA *dsa_key[DSA_NUM];\n\tlong dsa_c[DSA_NUM][2];\n\tdouble dsa_results[DSA_NUM][2];\n\tstatic unsigned int dsa_bits[DSA_NUM]={512,1024,2048};\n#endif\n\tint rsa_doit[RSA_NUM];\n\tint dsa_doit[DSA_NUM];\n\tint doit[ALGOR_NUM];\n\tint pr_header=0;\n\tint usertime=1;\n#ifndef TIMES\n\tusertime=-1;\n#endif\n\tapps_startup();\n\tmemset(results, 0, sizeof(results));\n#ifndef NO_DSA\n\tmemset(dsa_key,0,sizeof(dsa_key));\n#endif\n\tif (bio_err == NULL)\n\t\tif ((bio_err=BIO_new(BIO_s_file())) != NULL)\n\t\t\tBIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);\n#ifndef NO_RSA\n\tmemset(rsa_key,0,sizeof(rsa_key));\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_key[i]=NULL;\n#endif\n\tif ((buf=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n#ifndef NO_DES\n\tbuf_as_des_cblock = (des_cblock *)buf;\n#endif\n\tif ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tmemset(c,0,sizeof(c));\n\tmemset(iv,0,sizeof(iv));\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tdoit[i]=0;\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_doit[i]=0;\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tdsa_doit[i]=0;\n\tj=0;\n\targc--;\n\targv++;\n\twhile (argc)\n\t\t{\n\t\tif\t((argc > 0) && (strcmp(*argv,"-elapsed") == 0))\n\t\t\tusertime = 0;\n\t\telse\n\t\tif\t((argc > 0) && (strcmp(*argv,"-engine") == 0))\n\t\t\t{\n\t\t\targc--;\n\t\t\targv++;\n\t\t\tif(argc == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"no engine given\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif((e = ENGINE_by_id(*argv)) == NULL)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"invalid engine \\"%s\\"\\n",\n\t\t\t\t\t*argv);\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif(!ENGINE_set_default(e, ENGINE_METHOD_ALL))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"can\'t use that engine\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tBIO_printf(bio_err,"engine \\"%s\\" set.\\n", *argv);\n\t\t\tENGINE_free(e);\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#ifndef NO_MD2\n\t\tif\t(strcmp(*argv,"md2") == 0) doit[D_MD2]=1;\n\t\telse\n#endif\n#ifndef NO_MDC2\n\t\t\tif (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;\n\t\telse\n#endif\n#ifndef NO_MD4\n\t\t\tif (strcmp(*argv,"md4") == 0) doit[D_MD4]=1;\n\t\telse\n#endif\n#ifndef NO_MD5\n\t\t\tif (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;\n\t\telse\n#endif\n#ifndef NO_MD5\n\t\t\tif (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;\n\t\telse\n#endif\n#ifndef NO_SHA\n\t\t\tif (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;\n\t\telse\n#endif\n#ifndef NO_RIPEMD\n\t\t\tif (strcmp(*argv,"ripemd") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"rmd160") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"ripemd160") == 0) doit[D_RMD160]=1;\n\t\telse\n#endif\n#ifndef NO_RC4\n\t\t\tif (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;\n\t\telse\n#endif\n#ifndef NO_DES\n\t\t\tif (strcmp(*argv,"des-cbc") == 0) doit[D_CBC_DES]=1;\n\t\telse\tif (strcmp(*argv,"des-ede3") == 0) doit[D_EDE3_DES]=1;\n\t\telse\n#endif\n#ifndef NO_RSA\n#ifdef RSAref\n\t\t\tif (strcmp(*argv,"rsaref") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_openssl_method(RSA_PKCS1_RSAref());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n#ifndef RSA_NULL\n\t\t\tif (strcmp(*argv,"openssl") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_openssl_method(RSA_PKCS1_SSLeay());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n#endif\n\t\t if (strcmp(*argv,"dsa512") == 0) dsa_doit[R_DSA_512]=2;\n\t\telse if (strcmp(*argv,"dsa1024") == 0) dsa_doit[R_DSA_1024]=2;\n\t\telse if (strcmp(*argv,"dsa2048") == 0) dsa_doit[R_DSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa512") == 0) rsa_doit[R_RSA_512]=2;\n\t\telse if (strcmp(*argv,"rsa1024") == 0) rsa_doit[R_RSA_1024]=2;\n\t\telse if (strcmp(*argv,"rsa2048") == 0) rsa_doit[R_RSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;\n\t\telse\n#ifndef NO_RC2\n\t\t if (strcmp(*argv,"rc2-cbc") == 0) doit[D_CBC_RC2]=1;\n\t\telse if (strcmp(*argv,"rc2") == 0) doit[D_CBC_RC2]=1;\n\t\telse\n#endif\n#ifndef NO_RC5\n\t\t if (strcmp(*argv,"rc5-cbc") == 0) doit[D_CBC_RC5]=1;\n\t\telse if (strcmp(*argv,"rc5") == 0) doit[D_CBC_RC5]=1;\n\t\telse\n#endif\n#ifndef NO_IDEA\n\t\t if (strcmp(*argv,"idea-cbc") == 0) doit[D_CBC_IDEA]=1;\n\t\telse if (strcmp(*argv,"idea") == 0) doit[D_CBC_IDEA]=1;\n\t\telse\n#endif\n#ifndef NO_BF\n\t\t if (strcmp(*argv,"bf-cbc") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"blowfish") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"bf") == 0) doit[D_CBC_BF]=1;\n\t\telse\n#endif\n#ifndef NO_CAST\n\t\t if (strcmp(*argv,"cast-cbc") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast5") == 0) doit[D_CBC_CAST]=1;\n\t\telse\n#endif\n#ifndef NO_DES\n\t\t\tif (strcmp(*argv,"des") == 0)\n\t\t\t{\n\t\t\tdoit[D_CBC_DES]=1;\n\t\t\tdoit[D_EDE3_DES]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_RSA\n\t\t\tif (strcmp(*argv,"rsa") == 0)\n\t\t\t{\n\t\t\trsa_doit[R_RSA_512]=1;\n\t\t\trsa_doit[R_RSA_1024]=1;\n\t\t\trsa_doit[R_RSA_2048]=1;\n\t\t\trsa_doit[R_RSA_4096]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_DSA\n\t\t\tif (strcmp(*argv,"dsa") == 0)\n\t\t\t{\n\t\t\tdsa_doit[R_DSA_512]=1;\n\t\t\tdsa_doit[R_DSA_1024]=1;\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Error: bad option or value\\n");\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\tBIO_printf(bio_err,"Available values:\\n");\n#ifndef NO_MD2\n\t\t\tBIO_printf(bio_err,"md2 ");\n#endif\n#ifndef NO_MDC2\n\t\t\tBIO_printf(bio_err,"mdc2 ");\n#endif\n#ifndef NO_MD4\n\t\t\tBIO_printf(bio_err,"md4 ");\n#endif\n#ifndef NO_MD5\n\t\t\tBIO_printf(bio_err,"md5 ");\n#ifndef NO_HMAC\n\t\t\tBIO_printf(bio_err,"hmac ");\n#endif\n#endif\n#ifndef NO_SHA1\n\t\t\tBIO_printf(bio_err,"sha1 ");\n#endif\n#ifndef NO_RIPEMD160\n\t\t\tBIO_printf(bio_err,"rmd160");\n#endif\n#if !defined(NO_MD2) || !defined(NO_MDC2) || !defined(NO_MD4) || !defined(NO_MD5) || !defined(NO_SHA1) || !defined(NO_RIPEMD160)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n#ifndef NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea-cbc ");\n#endif\n#ifndef NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2-cbc ");\n#endif\n#ifndef NO_RC5\n\t\t\tBIO_printf(bio_err,"rc5-cbc ");\n#endif\n#ifndef NO_BF\n\t\t\tBIO_printf(bio_err,"bf-cbc");\n#endif\n#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_BF) || !defined(NO_RC5)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"des-cbc des-ede3 ");\n#ifndef NO_RC4\n\t\t\tBIO_printf(bio_err,"rc4");\n#endif\n\t\t\tBIO_printf(bio_err,"\\n");\n#ifndef NO_RSA\n\t\t\tBIO_printf(bio_err,"rsa512 rsa1024 rsa2048 rsa4096\\n");\n#endif\n#ifndef NO_DSA\n\t\t\tBIO_printf(bio_err,"dsa512 dsa1024 dsa2048\\n");\n#endif\n#ifndef NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea ");\n#endif\n#ifndef NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2 ");\n#endif\n#ifndef NO_DES\n\t\t\tBIO_printf(bio_err,"des ");\n#endif\n#ifndef NO_RSA\n\t\t\tBIO_printf(bio_err,"rsa ");\n#endif\n#ifndef NO_BF\n\t\t\tBIO_printf(bio_err,"blowfish");\n#endif\n#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_DES) || !defined(NO_RSA) || !defined(NO_BF)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\tBIO_printf(bio_err,"Available options:\\n");\n#ifdef TIMES\n\t\t\tBIO_printf(bio_err,"-elapsed measure time in real time instead of CPU user time.\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\tj++;\n\t\t}\n\tif (j == 0)\n\t\t{\n\t\tfor (i=0; i<ALGOR_NUM; i++)\n\t\t\tdoit[i]=1;\n\t\tfor (i=0; i<RSA_NUM; i++)\n\t\t\trsa_doit[i]=1;\n\t\tfor (i=0; i<DSA_NUM; i++)\n\t\t\tdsa_doit[i]=1;\n\t\t}\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tif (doit[i]) pr_header++;\n\tif (usertime == 0)\n\t\tBIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\\n");\n\tif (usertime <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"To get the most accurate results, try to run this\\n");\n\t\tBIO_printf(bio_err,"program when this computer is idle.\\n");\n\t\t}\n#ifndef NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\t{\n\t\tunsigned char *p;\n\t\tp=rsa_data[i];\n\t\trsa_key[i]=d2i_RSAPrivateKey(NULL,&p,rsa_data_length[i]);\n\t\tif (rsa_key[i] == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"internal error loading RSA key number %d\\n",i);\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Loaded RSA key, %d bit modulus and e= 0x",BN_num_bits(rsa_key[i]->n));\n\t\t\tBN_print(bio_err,rsa_key[i]->e);\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t}\n#endif\n\t\t}\n#endif\n#ifndef NO_DSA\n\tdsa_key[0]=get_dsa512();\n\tdsa_key[1]=get_dsa1024();\n\tdsa_key[2]=get_dsa2048();\n#endif\n#ifndef NO_DES\n\tdes_set_key_unchecked(&key,sch);\n\tdes_set_key_unchecked(&key2,sch2);\n\tdes_set_key_unchecked(&key3,sch3);\n#endif\n#ifndef NO_IDEA\n\tidea_set_encrypt_key(key16,&idea_ks);\n#endif\n#ifndef NO_RC4\n\tRC4_set_key(&rc4_ks,16,key16);\n#endif\n#ifndef NO_RC2\n\tRC2_set_key(&rc2_ks,16,key16,128);\n#endif\n#ifndef NO_RC5\n\tRC5_32_set_key(&rc5_ks,16,key16,12);\n#endif\n#ifndef NO_BF\n\tBF_set_key(&bf_ks,16,key16);\n#endif\n#ifndef NO_CAST\n\tCAST_set_key(&cast_ks,16,key16);\n#endif\n#ifndef NO_RSA\n\tmemset(rsa_c,0,sizeof(rsa_c));\n#endif\n#ifndef SIGALRM\n#ifndef NO_DES\n\tBIO_printf(bio_err,"First we calculate the approximate speed ...\\n");\n\tcount=10;\n\tdo\t{\n\t\tlong i;\n\t\tcount*=2;\n\t\tTime_F(START,usertime);\n\t\tfor (i=count; i; i--)\n\t\t\tdes_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,\n\t\t\t\t&(sch[0]),DES_ENCRYPT);\n\t\td=Time_F(STOP,usertime);\n\t\t} while (d <3);\n\tc[D_MD2][0]=count/10;\n\tc[D_MDC2][0]=count/10;\n\tc[D_MD4][0]=count;\n\tc[D_MD5][0]=count;\n\tc[D_HMAC][0]=count;\n\tc[D_SHA1][0]=count;\n\tc[D_RMD160][0]=count;\n\tc[D_RC4][0]=count*5;\n\tc[D_CBC_DES][0]=count;\n\tc[D_EDE3_DES][0]=count/3;\n\tc[D_CBC_IDEA][0]=count;\n\tc[D_CBC_RC2][0]=count;\n\tc[D_CBC_RC5][0]=count;\n\tc[D_CBC_BF][0]=count;\n\tc[D_CBC_CAST][0]=count;\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tc[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD4][i]=c[D_MD4][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];\n\t\tc[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];\n\t\tc[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];\n\t\tc[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];\n\t\t}\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tlong l0,l1;\n\t\tl0=(long)lengths[i-1];\n\t\tl1=(long)lengths[i];\n\t\tc[D_RC4][i]=c[D_RC4][i-1]*l0/l1;\n\t\tc[D_CBC_DES][i]=c[D_CBC_DES][i-1]*l0/l1;\n\t\tc[D_EDE3_DES][i]=c[D_EDE3_DES][i-1]*l0/l1;\n\t\tc[D_CBC_IDEA][i]=c[D_CBC_IDEA][i-1]*l0/l1;\n\t\tc[D_CBC_RC2][i]=c[D_CBC_RC2][i-1]*l0/l1;\n\t\tc[D_CBC_RC5][i]=c[D_CBC_RC5][i-1]*l0/l1;\n\t\tc[D_CBC_BF][i]=c[D_CBC_BF][i-1]*l0/l1;\n\t\tc[D_CBC_CAST][i]=c[D_CBC_CAST][i-1]*l0/l1;\n\t\t}\n#ifndef NO_RSA\n\trsa_c[R_RSA_512][0]=count/2000;\n\trsa_c[R_RSA_512][1]=count/400;\n\tfor (i=1; i<RSA_NUM; i++)\n\t\t{\n\t\trsa_c[i][0]=rsa_c[i-1][0]/8;\n\t\trsa_c[i][1]=rsa_c[i-1][1]/4;\n\t\tif ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))\n\t\t\trsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (rsa_c[i][0] == 0)\n\t\t\t\t{\n\t\t\t\trsa_c[i][0]=1;\n\t\t\t\trsa_c[i][1]=20;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#endif\n\tdsa_c[R_DSA_512][0]=count/1000;\n\tdsa_c[R_DSA_512][1]=count/1000/2;\n\tfor (i=1; i<DSA_NUM; i++)\n\t\t{\n\t\tdsa_c[i][0]=dsa_c[i-1][0]/4;\n\t\tdsa_c[i][1]=dsa_c[i-1][1]/4;\n\t\tif ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))\n\t\t\tdsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (dsa_c[i] == 0)\n\t\t\t\t{\n\t\t\t\tdsa_c[i][0]=1;\n\t\t\t\tdsa_c[i][1]=1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#define COND(d)\t(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)\t(run)\n#define COUNT(d) (count)\n\tsignal(SIGALRM,sig_done);\n#endif\n#ifndef NO_MD2\n\tif (doit[D_MD2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD2],c[D_MD2][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MD2][j]); count++)\n\t\t\t\tMD2(buf,(unsigned long)lengths[j],&(md2[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD2],d);\n\t\t\tresults[D_MD2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MDC2\n\tif (doit[D_MDC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MDC2],c[D_MDC2][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MDC2][j]); count++)\n\t\t\t\tMDC2(buf,(unsigned long)lengths[j],&(mdc2[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MDC2],d);\n\t\t\tresults[D_MDC2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MD4\n\tif (doit[D_MD4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD4],c[D_MD4][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MD4][j]); count++)\n\t\t\t\tMD4(&(buf[0]),(unsigned long)lengths[j],&(md4[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD4],d);\n\t\t\tresults[D_MD4][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MD5\n\tif (doit[D_MD5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD5],c[D_MD5][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MD5][j]); count++)\n\t\t\t\tMD5(&(buf[0]),(unsigned long)lengths[j],&(md5[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD5],d);\n\t\t\tresults[D_MD5][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#if !defined(NO_MD5) && !defined(NO_HMAC)\n\tif (doit[D_HMAC])\n\t\t{\n\t\tHMAC_CTX hctx;\n\t\tHMAC_Init(&hctx,(unsigned char *)"This is a key...",\n\t\t\t16,EVP_md5());\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_HMAC][j]); count++)\n\t\t\t\t{\n\t\t\t\tHMAC_Init(&hctx,NULL,0,NULL);\n HMAC_Update(&hctx,buf,lengths[j]);\n HMAC_Final(&hctx,&(hmac[0]),NULL);\n\t\t\t\t}\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_HMAC],d);\n\t\t\tresults[D_HMAC][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_SHA\n\tif (doit[D_SHA1])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_SHA1][j]); count++)\n\t\t\t\tSHA1(buf,(unsigned long)lengths[j],&(sha[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_SHA1],d);\n\t\t\tresults[D_SHA1][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RIPEMD\n\tif (doit[D_RMD160])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RMD160],c[D_RMD160][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_RMD160][j]); count++)\n\t\t\t\tRIPEMD160(buf,(unsigned long)lengths[j],&(rmd160[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_RMD160],d);\n\t\t\tresults[D_RMD160][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC4\n\tif (doit[D_RC4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RC4],c[D_RC4][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_RC4][j]); count++)\n\t\t\t\tRC4(&rc4_ks,(unsigned int)lengths[j],\n\t\t\t\t\tbuf,buf);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_RC4],d);\n\t\t\tresults[D_RC4][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_DES\n\tif (doit[D_CBC_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_DES],c[D_CBC_DES][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_DES][j]); count++)\n\t\t\t\tdes_ncbc_encrypt(buf,buf,lengths[j],sch,\n\t\t\t\t\t\t &iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_DES],d);\n\t\t\tresults[D_CBC_DES][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n\tif (doit[D_EDE3_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_EDE3_DES],c[D_EDE3_DES][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)\n\t\t\t\tdes_ede3_cbc_encrypt(buf,buf,lengths[j],\n\t\t\t\t\t\t sch,sch2,sch3,\n\t\t\t\t\t\t &iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_EDE3_DES],d);\n\t\t\tresults[D_EDE3_DES][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_IDEA\n\tif (doit[D_CBC_IDEA])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_IDEA],c[D_CBC_IDEA][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_IDEA][j]); count++)\n\t\t\t\tidea_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&idea_ks,\n\t\t\t\t\tiv,IDEA_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_IDEA],d);\n\t\t\tresults[D_CBC_IDEA][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC2\n\tif (doit[D_CBC_RC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC2],c[D_CBC_RC2][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC2][j]); count++)\n\t\t\t\tRC2_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc2_ks,\n\t\t\t\t\tiv,RC2_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_RC2],d);\n\t\t\tresults[D_CBC_RC2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC5\n\tif (doit[D_CBC_RC5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC5],c[D_CBC_RC5][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC5][j]); count++)\n\t\t\t\tRC5_32_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc5_ks,\n\t\t\t\t\tiv,RC5_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_RC5],d);\n\t\t\tresults[D_CBC_RC5][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_BF\n\tif (doit[D_CBC_BF])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_BF],c[D_CBC_BF][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_BF][j]); count++)\n\t\t\t\tBF_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&bf_ks,\n\t\t\t\t\tiv,BF_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_BF],d);\n\t\t\tresults[D_CBC_BF][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_CAST\n\tif (doit[D_CBC_CAST])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_CAST],c[D_CBC_CAST][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_CAST][j]); count++)\n\t\t\t\tCAST_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&cast_ks,\n\t\t\t\t\tiv,CAST_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_CAST],d);\n\t\t\tresults[D_CBC_CAST][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n\tRAND_pseudo_bytes(buf,36);\n#ifndef NO_RSA\n\tfor (j=0; j<RSA_NUM; j++)\n\t\t{\n\t\tint ret;\n\t\tif (!rsa_doit[j]) continue;\n\t\tret=RSA_sign(NID_md5_sha1, buf,36, buf2, &rsa_num, rsa_key[j]);\n\t\tif (ret == 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"RSA sign failure. No RSA sign will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\trsa_count=1;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("private","rsa",\n\t\t\t\trsa_c[j][0],rsa_bits[j],\n\t\t\t\tRSA_SECONDS);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(rsa_c[j][0]); count++)\n\t\t\t\t{\n\t\t\t\tret=RSA_sign(NID_md5_sha1, buf,36, buf2,\n\t\t\t\t\t&rsa_num, rsa_key[j]);\n\t\t\t\tif (ret == 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"RSA sign failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t"%ld %d bit private RSA\'s in %.2fs\\n",\n\t\t\t\tcount,rsa_bits[j],d);\n\t\t\trsa_results[j][0]=d/(double)count;\n\t\t\trsa_count=count;\n\t\t\t}\n#if 1\n\t\tret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num, rsa_key[j]);\n\t\tif (ret <= 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"RSA verify failure. No RSA verify will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tdsa_doit[j] = 0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("public","rsa",\n\t\t\t\trsa_c[j][1],rsa_bits[j],\n\t\t\t\tRSA_SECONDS);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(rsa_c[j][1]); count++)\n\t\t\t\t{\n\t\t\t\tret=RSA_verify(NID_md5_sha1, buf,36, buf2,\n\t\t\t\t\trsa_num, rsa_key[j]);\n\t\t\t\tif (ret == 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"RSA verify failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t"%ld %d bit public RSA\'s in %.2fs\\n",\n\t\t\t\tcount,rsa_bits[j],d);\n\t\t\trsa_results[j][1]=d/(double)count;\n\t\t\t}\n#endif\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<RSA_NUM; j++)\n\t\t\t\trsa_doit[j]=0;\n\t\t\t}\n\t\t}\n#endif\n\tRAND_pseudo_bytes(buf,20);\n#ifndef NO_DSA\n\tif (RAND_status() != 1)\n\t\t{\n\t\tRAND_seed(rnd_seed, sizeof rnd_seed);\n\t\trnd_fake = 1;\n\t\t}\n\tfor (j=0; j<DSA_NUM; j++)\n\t\t{\n\t\tunsigned int kk;\n\t\tint ret;\n\t\tif (!dsa_doit[j]) continue;\n\t\tDSA_generate_key(dsa_key[j]);\n\t\tret=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t&kk,dsa_key[j]);\n\t\tif (ret == 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"DSA sign failure. No DSA sign will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\trsa_count=1;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("sign","dsa",\n\t\t\t\tdsa_c[j][0],dsa_bits[j],\n\t\t\t\tDSA_SECONDS);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(dsa_c[j][0]); count++)\n\t\t\t\t{\n\t\t\t\tret=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\t\t&kk,dsa_key[j]);\n\t\t\t\tif (ret == 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"DSA sign failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %d bit DSA signs in %.2fs\\n",\n\t\t\t\tcount,dsa_bits[j],d);\n\t\t\tdsa_results[j][0]=d/(double)count;\n\t\t\trsa_count=count;\n\t\t\t}\n\t\tret=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\tkk,dsa_key[j]);\n\t\tif (ret <= 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"DSA verify failure. No DSA verify will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tdsa_doit[j] = 0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("verify","dsa",\n\t\t\t\tdsa_c[j][1],dsa_bits[j],\n\t\t\t\tDSA_SECONDS);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(dsa_c[j][1]); count++)\n\t\t\t\t{\n\t\t\t\tret=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\t\tkk,dsa_key[j]);\n\t\t\t\tif (ret <= 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"DSA verify failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %d bit DSA verify in %.2fs\\n",\n\t\t\t\tcount,dsa_bits[j],d);\n\t\t\tdsa_results[j][1]=d/(double)count;\n\t\t\t}\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<DSA_NUM; j++)\n\t\t\t\tdsa_doit[j]=0;\n\t\t\t}\n\t\t}\n\tif (rnd_fake) RAND_cleanup();\n#endif\n\tfprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_VERSION));\n fprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_BUILT_ON));\n\tprintf("options:");\n\tprintf("%s ",BN_options());\n#ifndef NO_MD2\n\tprintf("%s ",MD2_options());\n#endif\n#ifndef NO_RC4\n\tprintf("%s ",RC4_options());\n#endif\n#ifndef NO_DES\n\tprintf("%s ",des_options());\n#endif\n#ifndef NO_IDEA\n\tprintf("%s ",idea_options());\n#endif\n#ifndef NO_BF\n\tprintf("%s ",BF_options());\n#endif\n\tfprintf(stdout,"\\n%s\\n",SSLeay_version(SSLEAY_CFLAGS));\n\tif (pr_header)\n\t\t{\n\t\tfprintf(stdout,"The \'numbers\' are in 1000s of bytes per second processed.\\n");\n\t\tfprintf(stdout,"type ");\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\tfprintf(stdout,"%7d bytes",lengths[j]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n\tfor (k=0; k<ALGOR_NUM; k++)\n\t\t{\n\t\tif (!doit[k]) continue;\n\t\tfprintf(stdout,"%-13s",names[k]);\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tif (results[k][j] > 10000)\n\t\t\t\tfprintf(stdout," %11.2fk",results[k][j]/1e3);\n\t\t\telse\n\t\t\t\tfprintf(stdout," %11.2f ",results[k][j]);\n\t\t\t}\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#ifndef NO_RSA\n\tj=1;\n\tfor (k=0; k<RSA_NUM; k++)\n\t\t{\n\t\tif (!rsa_doit[k]) continue;\n\t\tif (j)\n\t\t\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tfprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",\n\t\t\trsa_bits[k],rsa_results[k][0],rsa_results[k][1],\n\t\t\t1.0/rsa_results[k][0],1.0/rsa_results[k][1]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#endif\n#ifndef NO_DSA\n\tj=1;\n\tfor (k=0; k<DSA_NUM; k++)\n\t\t{\n\t\tif (!dsa_doit[k]) continue;\n\t\tif (j)\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tfprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",\n\t\t\tdsa_bits[k],dsa_results[k][0],dsa_results[k][1],\n\t\t\t1.0/dsa_results[k][0],1.0/dsa_results[k][1]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#endif\n\tmret=0;\nend:\n\tERR_print_errors(bio_err);\n\tif (buf != NULL) OPENSSL_free(buf);\n\tif (buf2 != NULL) OPENSSL_free(buf2);\n#ifndef NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\tif (rsa_key[i] != NULL)\n\t\t\tRSA_free(rsa_key[i]);\n#endif\n#ifndef NO_DSA\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tif (dsa_key[i] != NULL)\n\t\t\tDSA_free(dsa_key[i]);\n#endif\n\tEXIT(mret);\n\t}'] |
15,642 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_shift.c/#L159 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | ['int test_mod_exp(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(d, a, b, c, ctx)) {\n fprintf(stderr, "BN_mod_exp with zero modulus 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(d, a, b, c, ctx))\n return (0);\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_hex2bn(&a, "050505050505");\n BN_hex2bn(&b, "02");\n BN_hex2bn(&c,\n "4141414141414141414141274141414141414141414141414141414141414141"\n "4141414141414141414141414141414141414141414141414141414141414141"\n "4141414141414141414141800000000000000000000000000000000000000000"\n "0000000000000000000000000000000000000000000000000000000000000000"\n "0000000000000000000000000000000000000000000000000000000000000000"\n "0000000000000000000000000000000000000000000000000000000001");\n BN_mod_exp(d, a, b, c, ctx);\n BN_mul(e, a, a, ctx);\n if (BN_cmp(d, e)) {\n fprintf(stderr, "BN_mod_exp and BN_mul produce different results!\\n");\n return 0;\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}', '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_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_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 (!d || !r || !val[0])\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (BN_is_zero(aa)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_montgomery(d, val[0], val[0], mont, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val[i], val[i - 1], d, mont, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n#if 1\n j = m->top;\n if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n if (bn_wexpand(r, j) == NULL)\n goto err;\n r->d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < j; i++)\n r->d[i] = (~m->d[i]) & BN_MASK2;\n r->top = j;\n bn_correct_top(r);\n } else\n#endif\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!BN_mod_mul_montgomery(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return (ret);\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n top = m->top;\n bits = 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 if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n if ((top & 7) == 0)\n powerbufLen += 2 * top * sizeof(m->d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!BN_to_montgomery(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_mod(&am, a, m, ctx))\n goto err;\n if (!BN_to_montgomery(&am, &am, mont, ctx))\n goto err;\n } else if (!BN_to_montgomery(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits >= 0) {\n if (bits < stride)\n stride = bits + 1;\n bits -= stride;\n wvalue = bn_get_bits(p, bits + 1);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0, *np2;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n if (top & 7)\n np2 = np;\n else\n for (np2 = am.d + top, i = 0; i < top; i++)\n np2[2 * i] = np[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7)\n while (bits >= 0) {\n for (wvalue = 0, i = 0; i < 5; i++, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n } else {\n while (bits >= 0) {\n wvalue = bn_get_bits5(p->d, bits - 4);\n bits -= 5;\n bn_power5(tmp.d, tmp.d, powerbuf, np2, n0, top, wvalue);\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np2, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, numPowers))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, numPowers))\n goto err;\n if (window > 1) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF\n (&tmp, top, powerbuf, 2, numPowers))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF\n (&tmp, top, powerbuf, i, numPowers))\n goto err;\n }\n }\n bits--;\n for (wvalue = 0, i = bits % window; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF\n (&tmp, top, powerbuf, wvalue, numPowers))\n goto err;\n while (bits >= 0) {\n wvalue = 0;\n for (i = 0; i < window; i++, bits--) {\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n }\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF\n (&am, top, powerbuf, wvalue, numPowers))\n goto err;\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_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}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n r->neg = a->neg;\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
15,643 | 0 | https://github.com/libav/libav/blob/77b0443544fd5f5c3f974b7a4fa4f2f18f7ba8df/ffmpeg.c/#L3303 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = av_alloc_format_context();
if (!file_oformat) {
file_oformat = guess_format(NULL, filename, NULL);
if (!file_oformat) {
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
filename);
av_exit(1);
}
}
oc->oformat = file_oformat;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
av_exit(1);
}
} else {
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
if (nb_input_files > 0) {
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
&input_has_subtitle);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
if (!input_has_subtitle)
use_subtitle = 0;
}
if (audio_disable) {
use_audio = 0;
}
if (video_disable) {
use_video = 0;
}
if (subtitle_disable) {
use_subtitle = 0;
}
if (use_video) {
new_video_stream(oc);
}
if (use_audio) {
new_audio_stream(oc);
}
if (use_subtitle) {
new_subtitle_stream(oc);
}
oc->timestamp = rec_timestamp;
if (str_title)
av_strlcpy(oc->title, str_title, sizeof(oc->title));
if (str_author)
av_strlcpy(oc->author, str_author, sizeof(oc->author));
if (str_copyright)
av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
if (str_comment)
av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
if (str_album)
av_strlcpy(oc->album, str_album, sizeof(oc->album));
if (str_genre)
av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
}
output_files[nb_output_files++] = oc;
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR_NUMEXPECTED);
av_exit(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
int c;
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
c = getchar();
if (toupper(c) != 'Y') {
fprintf(stderr, "Not overwriting - exiting\n");
av_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
av_exit(1);
}
}
}
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
fprintf(stderr, "Could not open '%s'\n", filename);
av_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
av_exit(1);
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
file_oformat = NULL;
file_iformat = NULL;
} | ['static void opt_output_file(const char *filename)\n{\n AVFormatContext *oc;\n int use_video, use_audio, use_subtitle;\n int input_has_video, input_has_audio, input_has_subtitle;\n AVFormatParameters params, *ap = ¶ms;\n if (!strcmp(filename, "-"))\n filename = "pipe:";\n oc = av_alloc_format_context();\n if (!file_oformat) {\n file_oformat = guess_format(NULL, filename, NULL);\n if (!file_oformat) {\n fprintf(stderr, "Unable to find a suitable output format for \'%s\'\\n",\n filename);\n av_exit(1);\n }\n }\n oc->oformat = file_oformat;\n av_strlcpy(oc->filename, filename, sizeof(oc->filename));\n if (!strcmp(file_oformat->name, "ffm") &&\n av_strstart(filename, "http:", NULL)) {\n int err = read_ffserver_streams(oc, filename);\n if (err < 0) {\n print_error(filename, err);\n av_exit(1);\n }\n } else {\n use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;\n use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;\n use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;\n if (nb_input_files > 0) {\n check_audio_video_sub_inputs(&input_has_video, &input_has_audio,\n &input_has_subtitle);\n if (!input_has_video)\n use_video = 0;\n if (!input_has_audio)\n use_audio = 0;\n if (!input_has_subtitle)\n use_subtitle = 0;\n }\n if (audio_disable) {\n use_audio = 0;\n }\n if (video_disable) {\n use_video = 0;\n }\n if (subtitle_disable) {\n use_subtitle = 0;\n }\n if (use_video) {\n new_video_stream(oc);\n }\n if (use_audio) {\n new_audio_stream(oc);\n }\n if (use_subtitle) {\n new_subtitle_stream(oc);\n }\n oc->timestamp = rec_timestamp;\n if (str_title)\n av_strlcpy(oc->title, str_title, sizeof(oc->title));\n if (str_author)\n av_strlcpy(oc->author, str_author, sizeof(oc->author));\n if (str_copyright)\n av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));\n if (str_comment)\n av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));\n if (str_album)\n av_strlcpy(oc->album, str_album, sizeof(oc->album));\n if (str_genre)\n av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));\n }\n output_files[nb_output_files++] = oc;\n if (oc->oformat->flags & AVFMT_NEEDNUMBER) {\n if (!av_filename_number_test(oc->filename)) {\n print_error(oc->filename, AVERROR_NUMEXPECTED);\n av_exit(1);\n }\n }\n if (!(oc->oformat->flags & AVFMT_NOFILE)) {\n if (!file_overwrite &&\n (strchr(filename, \':\') == NULL ||\n filename[1] == \':\' ||\n av_strstart(filename, "file:", NULL))) {\n if (url_exist(filename)) {\n int c;\n if (!using_stdin) {\n fprintf(stderr,"File \'%s\' already exists. Overwrite ? [y/N] ", filename);\n fflush(stderr);\n c = getchar();\n if (toupper(c) != \'Y\') {\n fprintf(stderr, "Not overwriting - exiting\\n");\n av_exit(1);\n }\n }\n else {\n fprintf(stderr,"File \'%s\' already exists. Exiting.\\n", filename);\n av_exit(1);\n }\n }\n }\n if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {\n fprintf(stderr, "Could not open \'%s\'\\n", filename);\n av_exit(1);\n }\n }\n memset(ap, 0, sizeof(*ap));\n if (av_set_parameters(oc, ap) < 0) {\n fprintf(stderr, "%s: Invalid encoding parameters\\n",\n oc->filename);\n av_exit(1);\n }\n oc->preload= (int)(mux_preload*AV_TIME_BASE);\n oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);\n oc->loop_output = loop_output;\n set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);\n file_oformat = NULL;\n file_iformat = NULL;\n}', 'AVFormatContext *av_alloc_format_context(void)\n{\n AVFormatContext *ic;\n ic = av_malloc(sizeof(AVFormatContext));\n if (!ic) return ic;\n avformat_get_context_defaults(ic);\n ic->av_class = &av_format_context_class;\n return ic;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr;\n#ifdef CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#ifdef CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif defined (HAVE_MEMALIGN)\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
15,644 | 0 | https://github.com/libav/libav/blob/1cd11856b0442b5f31f3525981e0f8b0e1476f43/ffmpeg.c/#L2755 | static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
if(!codec) {
av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
av_exit(1);
}
if(codec->type != type) {
av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
av_exit(1);
}
return codec->id;
} | ['static enum CodecID find_codec_or_die(const char *name, int type, int encoder)\n{\n const char *codec_string = encoder ? "encoder" : "decoder";\n AVCodec *codec;\n if(!name)\n return CODEC_ID_NONE;\n codec = encoder ?\n avcodec_find_encoder_by_name(name) :\n avcodec_find_decoder_by_name(name);\n if(!codec) {\n av_log(NULL, AV_LOG_ERROR, "Unknown %s \'%s\'\\n", codec_string, name);\n av_exit(1);\n }\n if(codec->type != type) {\n av_log(NULL, AV_LOG_ERROR, "Invalid %s type \'%s\'\\n", codec_string, name);\n av_exit(1);\n }\n return codec->id;\n}'] |
15,645 | 0 | https://github.com/libav/libav/blob/89fa2b5616274194d90bde0aeebf6adbd1245193/libavformat/utils.c/#L2500 | 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 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}'] |
15,646 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/bn/bn_exp.c/#L431 | int BN_mod_exp_mont(BIGNUM *rr, BIGNUM *a, BIGNUM *p, BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *in_mont)
{
int i,j,bits,ret=0,wstart,wend,window,wvalue;
int start=1,ts=0;
BIGNUM *d,*aa,*r;
BIGNUM val[TABLE_SIZE];
BN_MONT_CTX *mont=NULL;
bn_check_top(a);
bn_check_top(p);
bn_check_top(m);
if (!(m->d[0] & 1))
{
BNerr(BN_F_BN_MOD_EXP_MONT,BN_R_CALLED_WITH_EVEN_MODULUS);
return(0);
}
d= &(ctx->bn[ctx->tos++]);
r= &(ctx->bn[ctx->tos++]);
bits=BN_num_bits(p);
if (bits == 0)
{
BN_one(r);
return(1);
}
#if 1
if (in_mont != NULL)
mont=in_mont;
else
#endif
{
if ((mont=BN_MONT_CTX_new()) == NULL) goto err;
if (!BN_MONT_CTX_set(mont,m,ctx)) goto err;
}
BN_init(&val[0]);
ts=1;
if (BN_ucmp(a,m) >= 0)
{
BN_mod(&(val[0]),a,m,ctx);
aa= &(val[0]);
}
else
aa=a;
if (!BN_to_montgomery(&(val[0]),aa,mont,ctx)) goto err;
if (!BN_mod_mul_montgomery(d,&(val[0]),&(val[0]),mont,ctx)) goto err;
if (bits <= 20)
window=1;
else if (bits >= 256)
window=5;
else if (bits >= 128)
window=4;
else
window=3;
j=1<<(window-1);
for (i=1; i<j; i++)
{
BN_init(&(val[i]));
if (!BN_mod_mul_montgomery(&(val[i]),&(val[i-1]),d,mont,ctx))
goto err;
}
ts=i;
start=1;
wvalue=0;
wstart=bits-1;
wend=0;
if (!BN_to_montgomery(r,BN_value_one(),mont,ctx)) goto err;
for (;;)
{
if (BN_is_bit_set(p,wstart) == 0)
{
if (!start)
{
if (!BN_mod_mul_montgomery(r,r,r,mont,ctx))
goto err;
}
if (wstart == 0) break;
wstart--;
continue;
}
j=wstart;
wvalue=1;
wend=0;
for (i=1; i<window; i++)
{
if (wstart-i < 0) break;
if (BN_is_bit_set(p,wstart-i))
{
wvalue<<=(i-wend);
wvalue|=1;
wend=i;
}
}
j=wend+1;
if (!start)
for (i=0; i<j; i++)
{
if (!BN_mod_mul_montgomery(r,r,r,mont,ctx))
goto err;
}
if (!BN_mod_mul_montgomery(r,r,&(val[wvalue>>1]),mont,ctx))
goto err;
wstart-=wend+1;
wvalue=0;
start=0;
if (wstart < 0) break;
}
BN_from_montgomery(rr,r,mont,ctx);
ret=1;
err:
if ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);
ctx->tos-=2;
for (i=0; i<ts; i++)
BN_clear_free(&(val[i]));
return(ret);
} | ['int BN_mod_exp_mont(BIGNUM *rr, BIGNUM *a, BIGNUM *p, BIGNUM *m, BN_CTX *ctx,\n\t 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,*aa,*r;\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_num_bits(BIGNUM *a)\n\t{\n\tBN_ULONG l;\n\tint i;\n\tbn_check_top(a);\n\tif (a->top == 0) return(0);\n\tl=a->d[a->top-1];\n\ti=(a->top-1)*BN_BITS2;\n\tif (l == 0)\n\t\t{\n#if !defined(NO_STDIO) && !defined(WIN16)\n\t\tfprintf(stderr,"BAD TOP VALUE\\n");\n#endif\n\t\tabort();\n\t\t}\n\treturn(i+BN_num_bits_word(l));\n\t}', 'BN_MONT_CTX *BN_MONT_CTX_new(void)\n\t{\n\tBN_MONT_CTX *ret;\n\tif ((ret=(BN_MONT_CTX *)Malloc(sizeof(BN_MONT_CTX))) == NULL)\n\t\treturn(NULL);\n\tBN_MONT_CTX_init(ret);\n\tret->flags=BN_FLG_MALLOCED;\n\treturn(ret);\n\t}'] |
15,647 | 0 | https://github.com/libav/libav/blob/cf6bae6883607f83f3b042b7b9d711197f736e2a/libavcodec/mpegaudiodec.c/#L909 | 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])
{
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int32_t tmp[32];
int sum, sum2;
#else
int64_t sum, sum2;
#endif
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
#if FRAC_BITS <= 15
dct32(tmp, sb_samples);
for(j=0;j<32;j++) {
synth_buf[j] = av_clip_int16(tmp[j]);
}
#else
dct32(synth_buf, sb_samples);
#endif
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 register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset;\n OUT_INT *samples2;\n#if FRAC_BITS <= 15\n int32_t tmp[32];\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n#if FRAC_BITS <= 15\n dct32(tmp, sb_samples);\n for(j=0;j<32;j++) {\n synth_buf[j] = av_clip_int16(tmp[j]);\n }\n#else\n dct32(synth_buf, sb_samples);\n#endif\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}'] |
15,648 | 0 | https://github.com/openssl/openssl/blob/11d01d371f67a9cacfeccb1078669c595d65002f/crypto/buffer/buffer.c/#L135 | int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
{
char *ret;
size_t n;
if (str->length >= len)
{
memset(&str->data[len],0,str->length-len);
str->length=len;
return(len);
}
if (str->max >= len)
{
memset(&str->data[str->length],0,len-str->length);
str->length=len;
return(len);
}
n=(len+3)/3*4;
if (str->data == NULL)
ret=OPENSSL_malloc(n);
else
ret=OPENSSL_realloc_clean(str->data,str->max,n);
if (ret == NULL)
{
BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE);
len=0;
}
else
{
str->data=ret;
str->max=n;
memset(&str->data[str->length],0,len-str->length);
str->length=len;
}
return(len);
} | ['int PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data,\n\t long *len)\n\t{\n\tEVP_ENCODE_CTX ctx;\n\tint end=0,i,k,bl=0,hl=0,nohead=0;\n\tchar buf[256];\n\tBUF_MEM *nameB;\n\tBUF_MEM *headerB;\n\tBUF_MEM *dataB,*tmpB;\n\tnameB=BUF_MEM_new();\n\theaderB=BUF_MEM_new();\n\tdataB=BUF_MEM_new();\n\tif ((nameB == NULL) || (headerB == NULL) || (dataB == NULL))\n\t\t{\n\t\tBUF_MEM_free(nameB);\n\t\tBUF_MEM_free(headerB);\n\t\tBUF_MEM_free(dataB);\n\t\tPEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);\n\t\treturn(0);\n\t\t}\n\tbuf[254]=\'\\0\';\n\tfor (;;)\n\t\t{\n\t\ti=BIO_gets(bp,buf,254);\n\t\tif (i <= 0)\n\t\t\t{\n\t\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_NO_START_LINE);\n\t\t\tgoto err;\n\t\t\t}\n\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\tif (strncmp(buf,"-----BEGIN ",11) == 0)\n\t\t\t{\n\t\t\ti=strlen(&(buf[11]));\n\t\t\tif (strncmp(&(buf[11+i-6]),"-----\\n",6) != 0)\n\t\t\t\tcontinue;\n\t\t\tif (!BUF_MEM_grow(nameB,i+9))\n\t\t\t\t{\n\t\t\t\tPEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tmemcpy(nameB->data,&(buf[11]),i-6);\n\t\t\tnameB->data[i-6]=\'\\0\';\n\t\t\tbreak;\n\t\t\t}\n\t\t}\n\thl=0;\n\tif (!BUF_MEM_grow(headerB,256))\n\t\t{ PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }\n\theaderB->data[0]=\'\\0\';\n\tfor (;;)\n\t\t{\n\t\ti=BIO_gets(bp,buf,254);\n\t\tif (i <= 0) break;\n\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\tif (buf[0] == \'\\n\') break;\n\t\tif (!BUF_MEM_grow(headerB,hl+i+9))\n\t\t\t{ PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }\n\t\tif (strncmp(buf,"-----END ",9) == 0)\n\t\t\t{\n\t\t\tnohead=1;\n\t\t\tbreak;\n\t\t\t}\n\t\tmemcpy(&(headerB->data[hl]),buf,i);\n\t\theaderB->data[hl+i]=\'\\0\';\n\t\thl+=i;\n\t\t}\n\tbl=0;\n\tif (!BUF_MEM_grow(dataB,1024))\n\t\t{ PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }\n\tdataB->data[0]=\'\\0\';\n\tif (!nohead)\n\t\t{\n\t\tfor (;;)\n\t\t\t{\n\t\t\ti=BIO_gets(bp,buf,254);\n\t\t\tif (i <= 0) break;\n\t\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\t\tif (i != 65) end=1;\n\t\t\tif (strncmp(buf,"-----END ",9) == 0)\n\t\t\t\tbreak;\n\t\t\tif (i > 65) break;\n\t\t\tif (!BUF_MEM_grow_clean(dataB,i+bl+9))\n\t\t\t\t{\n\t\t\t\tPEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tmemcpy(&(dataB->data[bl]),buf,i);\n\t\t\tdataB->data[bl+i]=\'\\0\';\n\t\t\tbl+=i;\n\t\t\tif (end)\n\t\t\t\t{\n\t\t\t\tbuf[0]=\'\\0\';\n\t\t\t\ti=BIO_gets(bp,buf,254);\n\t\t\t\tif (i <= 0) break;\n\t\t\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\t\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\ttmpB=headerB;\n\t\theaderB=dataB;\n\t\tdataB=tmpB;\n\t\tbl=hl;\n\t\t}\n\ti=strlen(nameB->data);\n\tif (\t(strncmp(buf,"-----END ",9) != 0) ||\n\t\t(strncmp(nameB->data,&(buf[9]),i) != 0) ||\n\t\t(strncmp(&(buf[9+i]),"-----\\n",6) != 0))\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_END_LINE);\n\t\tgoto err;\n\t\t}\n\tEVP_DecodeInit(&ctx);\n\ti=EVP_DecodeUpdate(&ctx,\n\t\t(unsigned char *)dataB->data,&bl,\n\t\t(unsigned char *)dataB->data,bl);\n\tif (i < 0)\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE);\n\t\tgoto err;\n\t\t}\n\ti=EVP_DecodeFinal(&ctx,(unsigned char *)&(dataB->data[bl]),&k);\n\tif (i < 0)\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE);\n\t\tgoto err;\n\t\t}\n\tbl+=k;\n\tif (bl == 0) goto err;\n\t*name=nameB->data;\n\t*header=headerB->data;\n\t*data=(unsigned char *)dataB->data;\n\t*len=bl;\n\tOPENSSL_free(nameB);\n\tOPENSSL_free(headerB);\n\tOPENSSL_free(dataB);\n\treturn(1);\nerr:\n\tBUF_MEM_free(nameB);\n\tBUF_MEM_free(headerB);\n\tBUF_MEM_free(dataB);\n\treturn(0);\n\t}', 'int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)\n\t{\n\tchar *ret;\n\tsize_t n;\n\tif (str->length >= len)\n\t\t{\n\t\tmemset(&str->data[len],0,str->length-len);\n\t\tstr->length=len;\n\t\treturn(len);\n\t\t}\n\tif (str->max >= len)\n\t\t{\n\t\tmemset(&str->data[str->length],0,len-str->length);\n\t\tstr->length=len;\n\t\treturn(len);\n\t\t}\n\tn=(len+3)/3*4;\n\tif (str->data == NULL)\n\t\tret=OPENSSL_malloc(n);\n\telse\n\t\tret=OPENSSL_realloc_clean(str->data,str->max,n);\n\tif (ret == NULL)\n\t\t{\n\t\tBUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE);\n\t\tlen=0;\n\t\t}\n\telse\n\t\t{\n\t\tstr->data=ret;\n\t\tstr->max=n;\n\t\tmemset(&str->data[str->length],0,len-str->length);\n\t\tstr->length=len;\n\t\t}\n\treturn(len);\n\t}'] |
15,649 | 0 | https://github.com/libav/libav/blob/92799d3213edb3dc7b9bb5fb10f66cb7284c7f4a/ffmpeg.c/#L2730 | static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
if(!codec) {
av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
av_exit(1);
}
if(codec->type != type) {
av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
av_exit(1);
}
return codec->id;
} | ['static enum CodecID find_codec_or_die(const char *name, int type, int encoder)\n{\n const char *codec_string = encoder ? "encoder" : "decoder";\n AVCodec *codec;\n if(!name)\n return CODEC_ID_NONE;\n codec = encoder ?\n avcodec_find_encoder_by_name(name) :\n avcodec_find_decoder_by_name(name);\n if(!codec) {\n av_log(NULL, AV_LOG_ERROR, "Unknown %s \'%s\'\\n", codec_string, name);\n av_exit(1);\n }\n if(codec->type != type) {\n av_log(NULL, AV_LOG_ERROR, "Invalid %s type \'%s\'\\n", codec_string, name);\n av_exit(1);\n }\n return codec->id;\n}'] |
15,650 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/x509/x509_obj.c/#L96 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf)
? sizeof ebcdic_buf : num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
BUF_MEM_free(b);
return (NULL);
} | ['static int app_verify_callback(X509_STORE_CTX *ctx, void *arg)\n{\n int ok = 1;\n struct app_verify_arg *cb_arg = arg;\n unsigned int letters[26];\n if (cb_arg->app_verify) {\n char *s = NULL, buf[256];\n printf("In app_verify_callback, allowing cert. ");\n printf("Arg is: %s\\n", cb_arg->string);\n printf("Finished printing do we have a context? 0x%p a cert? 0x%p\\n",\n (void *)ctx, (void *)ctx->cert);\n if (ctx->cert)\n s = X509_NAME_oneline(X509_get_subject_name(ctx->cert), buf, 256);\n if (s != NULL) {\n printf("cert depth=%d %s\\n", ctx->error_depth, buf);\n }\n return (1);\n }\n if (cb_arg->proxy_auth) {\n int found_any = 0, i;\n char *sp;\n for (i = 0; i < 26; i++)\n letters[i] = 0;\n for (sp = cb_arg->proxy_auth; *sp; sp++) {\n int c = *sp;\n if (isascii(c) && isalpha(c)) {\n if (islower(c))\n c = toupper(c);\n letters[c - \'A\'] = 1;\n }\n }\n printf(" Initial proxy rights = ");\n for (i = 0; i < 26; i++)\n if (letters[i]) {\n printf("%c", i + \'A\');\n found_any = 1;\n }\n if (!found_any)\n printf("none");\n printf("\\n");\n X509_STORE_CTX_set_ex_data(ctx,\n get_proxy_auth_ex_data_idx(), letters);\n }\n if (cb_arg->allow_proxy_certs) {\n X509_STORE_CTX_set_flags(ctx, X509_V_FLAG_ALLOW_PROXY_CERTS);\n }\n ok = X509_verify_cert(ctx);\n if (cb_arg->proxy_auth) {\n if (ok > 0) {\n const char *cond_end = NULL;\n ok = process_proxy_cond(letters, cb_arg->proxy_cond, &cond_end);\n if (ok < 0)\n EXIT(3);\n if (*cond_end) {\n fprintf(stderr,\n "Stopped processing condition before it\'s end.\\n");\n ok = 0;\n }\n if (!ok)\n fprintf(stderr,\n "Proxy rights check with condition \'%s\' invalid\\n",\n cb_arg->proxy_cond);\n else\n printf("Proxy rights check with condition \'%s\' ok\\n",\n cb_arg->proxy_cond);\n }\n }\n return (ok);\n}', 'char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)\n{\n X509_NAME_ENTRY *ne;\n int i;\n int n, lold, l, l1, l2, num, j, type;\n const char *s;\n char *p;\n unsigned char *q;\n BUF_MEM *b = NULL;\n static const char hex[17] = "0123456789ABCDEF";\n int gs_doit[4];\n char tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n char ebcdic_buf[1024];\n#endif\n if (buf == NULL) {\n if ((b = BUF_MEM_new()) == NULL)\n goto err;\n if (!BUF_MEM_grow(b, 200))\n goto err;\n b->data[0] = \'\\0\';\n len = 200;\n }\n if (a == NULL) {\n if (b) {\n buf = b->data;\n OPENSSL_free(b);\n }\n strncpy(buf, "NO X509_NAME", len);\n buf[len - 1] = \'\\0\';\n return buf;\n }\n len--;\n l = 0;\n for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {\n ne = sk_X509_NAME_ENTRY_value(a->entries, i);\n n = OBJ_obj2nid(ne->object);\n if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {\n i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);\n s = tmp_buf;\n }\n l1 = strlen(s);\n type = ne->value->type;\n num = ne->value->length;\n q = ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n type == V_ASN1_VISIBLESTRING ||\n type == V_ASN1_PRINTABLESTRING ||\n type == V_ASN1_TELETEXSTRING ||\n type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {\n ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf)\n ? sizeof ebcdic_buf : num);\n q = ebcdic_buf;\n }\n#endif\n if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;\n for (j = 0; j < num; j++)\n if (q[j] != 0)\n gs_doit[j & 3] = 1;\n if (gs_doit[0] | gs_doit[1] | gs_doit[2])\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n else {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;\n gs_doit[3] = 1;\n }\n } else\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n for (l2 = j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n l2++;\n#ifndef CHARSET_EBCDIC\n if ((q[j] < \' \') || (q[j] > \'~\'))\n l2 += 3;\n#else\n if ((os_toascii[q[j]] < os_toascii[\' \']) ||\n (os_toascii[q[j]] > os_toascii[\'~\']))\n l2 += 3;\n#endif\n }\n lold = l;\n l += 1 + l1 + 1 + l2;\n if (b != NULL) {\n if (!BUF_MEM_grow(b, l + 1))\n goto err;\n p = &(b->data[lold]);\n } else if (l > len) {\n break;\n } else\n p = &(buf[lold]);\n *(p++) = \'/\';\n memcpy(p, s, (unsigned int)l1);\n p += l1;\n *(p++) = \'=\';\n#ifndef CHARSET_EBCDIC\n q = ne->value->data;\n#endif\n for (j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n#ifndef CHARSET_EBCDIC\n n = q[j];\n if ((n < \' \') || (n > \'~\')) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = n;\n#else\n n = os_toascii[q[j]];\n if ((n < os_toascii[\' \']) || (n > os_toascii[\'~\'])) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = q[j];\n#endif\n }\n *p = \'\\0\';\n }\n if (b != NULL) {\n p = b->data;\n OPENSSL_free(b);\n } else\n p = buf;\n if (i == 0)\n *p = \'\\0\';\n return (p);\n err:\n X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);\n BUF_MEM_free(b);\n return (NULL);\n}'] |
15,651 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/evp/p_sign.c/#L111 | int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
unsigned int *siglen, EVP_PKEY *pkey)
{
unsigned char m[EVP_MAX_MD_SIZE];
unsigned int m_len;
int i = 0, ok = 0, v;
EVP_PKEY_CTX *pkctx = NULL;
*siglen = 0;
if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
if (!EVP_DigestFinal_ex(ctx, m, &m_len))
goto err;
} else {
int rv;
EVP_MD_CTX tmp_ctx;
EVP_MD_CTX_init(&tmp_ctx);
rv = EVP_MD_CTX_copy_ex(&tmp_ctx, ctx);
if (rv)
rv = EVP_DigestFinal_ex(&tmp_ctx, m, &m_len);
EVP_MD_CTX_cleanup(&tmp_ctx);
if (!rv)
return 0;
}
if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
size_t sltmp = (size_t)EVP_PKEY_size(pkey);
i = 0;
pkctx = EVP_PKEY_CTX_new(pkey, NULL);
if (!pkctx)
goto err;
if (EVP_PKEY_sign_init(pkctx) <= 0)
goto err;
if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
goto err;
if (EVP_PKEY_sign(pkctx, sigret, &sltmp, m, m_len) <= 0)
goto err;
*siglen = sltmp;
i = 1;
err:
EVP_PKEY_CTX_free(pkctx);
return i;
}
for (i = 0; i < 4; i++) {
v = ctx->digest->required_pkey_type[i];
if (v == 0)
break;
if (pkey->type == v) {
ok = 1;
break;
}
}
if (!ok) {
EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);
return (0);
}
if (ctx->digest->sign == NULL) {
EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_NO_SIGN_FUNCTION_CONFIGURED);
return (0);
}
return ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen,
pkey->pkey.ptr);
} | ['int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,\n unsigned int *siglen, EVP_PKEY *pkey)\n{\n unsigned char m[EVP_MAX_MD_SIZE];\n unsigned int m_len;\n int i = 0, ok = 0, v;\n EVP_PKEY_CTX *pkctx = NULL;\n *siglen = 0;\n if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {\n if (!EVP_DigestFinal_ex(ctx, m, &m_len))\n goto err;\n } else {\n int rv;\n EVP_MD_CTX tmp_ctx;\n EVP_MD_CTX_init(&tmp_ctx);\n rv = EVP_MD_CTX_copy_ex(&tmp_ctx, ctx);\n if (rv)\n rv = EVP_DigestFinal_ex(&tmp_ctx, m, &m_len);\n EVP_MD_CTX_cleanup(&tmp_ctx);\n if (!rv)\n return 0;\n }\n if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {\n size_t sltmp = (size_t)EVP_PKEY_size(pkey);\n i = 0;\n pkctx = EVP_PKEY_CTX_new(pkey, NULL);\n if (!pkctx)\n goto err;\n if (EVP_PKEY_sign_init(pkctx) <= 0)\n goto err;\n if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)\n goto err;\n if (EVP_PKEY_sign(pkctx, sigret, &sltmp, m, m_len) <= 0)\n goto err;\n *siglen = sltmp;\n i = 1;\n err:\n EVP_PKEY_CTX_free(pkctx);\n return i;\n }\n for (i = 0; i < 4; i++) {\n v = ctx->digest->required_pkey_type[i];\n if (v == 0)\n break;\n if (pkey->type == v) {\n ok = 1;\n break;\n }\n }\n if (!ok) {\n EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);\n return (0);\n }\n if (ctx->digest->sign == NULL) {\n EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_NO_SIGN_FUNCTION_CONFIGURED);\n return (0);\n }\n return ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen,\n pkey->pkey.ptr);\n}'] |
15,652 | 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;
} | ['int ec_GF2m_simple_group_check_discriminant(const EC_GROUP *group,\n BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *b;\n BN_CTX *new_ctx = NULL;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL) {\n ECerr(EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n BN_CTX_start(ctx);\n b = BN_CTX_get(ctx);\n if (b == NULL)\n goto err;\n if (!BN_GF2m_mod_arr(b, group->b, group->poly))\n goto err;\n if (BN_is_zero(b))\n goto err;\n ret = 1;\n err:\n if (ctx != NULL)\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_GF2m_mod_arr(BIGNUM *r, const BIGNUM *a, const int p[])\n{\n int j, k;\n int n, dN, d0, d1;\n BN_ULONG zz, *z;\n bn_check_top(a);\n if (!p[0]) {\n BN_zero(r);\n return 1;\n }\n if (a != r) {\n if (!bn_wexpand(r, a->top))\n return 0;\n for (j = 0; j < a->top; j++) {\n r->d[j] = a->d[j];\n }\n r->top = a->top;\n }\n z = r->d;\n dN = p[0] / BN_BITS2;\n for (j = r->top - 1; j > dN;) {\n zz = z[j];\n if (z[j] == 0) {\n j--;\n continue;\n }\n z[j] = 0;\n for (k = 1; p[k] != 0; k++) {\n n = p[0] - p[k];\n d0 = n % BN_BITS2;\n d1 = BN_BITS2 - d0;\n n /= BN_BITS2;\n z[j - n] ^= (zz >> d0);\n if (d0)\n z[j - n - 1] ^= (zz << d1);\n }\n n = dN;\n d0 = p[0] % BN_BITS2;\n d1 = BN_BITS2 - d0;\n z[j - n] ^= (zz >> d0);\n if (d0)\n z[j - n - 1] ^= (zz << d1);\n }\n while (j == dN) {\n d0 = p[0] % BN_BITS2;\n zz = z[dN] >> d0;\n if (zz == 0)\n break;\n d1 = BN_BITS2 - d0;\n if (d0)\n z[dN] = (z[dN] << d1) >> d1;\n else\n z[dN] = 0;\n z[0] ^= zz;\n for (k = 1; p[k] != 0; k++) {\n BN_ULONG tmp_ulong;\n n = p[k] / BN_BITS2;\n d0 = p[k] % BN_BITS2;\n d1 = BN_BITS2 - d0;\n z[n] ^= (zz << d0);\n if (d0 && (tmp_ulong = zz >> d1))\n z[n + 1] ^= tmp_ulong;\n }\n }\n bn_correct_top(r);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
15,653 | 0 | https://github.com/openssl/openssl/blob/980afccf98a9ab6df7a26161b5a39538c30a2292/crypto/aes/aes_cbc.c/#L74 | void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
const unsigned long length, const AES_KEY *key,
unsigned char *ivec, const int enc) {
int n;
unsigned long len = length;
unsigned char tmp[16];
assert(in && out && key && ivec);
assert(length % AES_BLOCK_SIZE == 0);
assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));
if (AES_ENCRYPT == enc)
while (len > 0) {
for(n=0; n < 16; ++n)
tmp[n] = in[n] ^ ivec[n];
AES_encrypt(tmp, out, key);
memcpy(ivec, out, 16);
len -= 16;
in += 16;
out += 16;
}
else
while (len > 0) {
memcpy(tmp, in, 16);
AES_decrypt(in, out, key);
for(n=0; n < 16; ++n)
out[n] ^= ivec[n];
memcpy(ivec, tmp, 16);
len -= 16;
in += 16;
out += 16;
}
} | ['void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,\n\t\t const unsigned long length, const AES_KEY *key,\n\t\t unsigned char *ivec, const int enc) {\n\tint n;\n\tunsigned long len = length;\n\tunsigned char tmp[16];\n\tassert(in && out && key && ivec);\n\tassert(length % AES_BLOCK_SIZE == 0);\n\tassert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));\n\tif (AES_ENCRYPT == enc)\n\t\twhile (len > 0) {\n\t\t\tfor(n=0; n < 16; ++n)\n\t\t\t\ttmp[n] = in[n] ^ ivec[n];\n\t\t\tAES_encrypt(tmp, out, key);\n\t\t\tmemcpy(ivec, out, 16);\n\t\t\tlen -= 16;\n\t\t\tin += 16;\n\t\t\tout += 16;\n\t\t}\n\telse\n\t\twhile (len > 0) {\n\t\t\tmemcpy(tmp, in, 16);\n\t\t\tAES_decrypt(in, out, key);\n\t\t\tfor(n=0; n < 16; ++n)\n\t\t\t\tout[n] ^= ivec[n];\n\t\t\tmemcpy(ivec, tmp, 16);\n\t\t\tlen -= 16;\n\t\t\tin += 16;\n\t\t\tout += 16;\n\t\t}\n}'] |
15,654 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mjpegbdec.c/#L54 | static int mjpegb_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
const uint8_t *buf, int buf_size)
{
MJpegDecodeContext *s = avctx->priv_data;
const uint8_t *buf_end, *buf_ptr;
AVFrame *picture = data;
GetBitContext hgb;
uint32_t dqt_offs, dht_offs, sof_offs, sos_offs, second_field_offs;
uint32_t field_size, sod_offs;
buf_ptr = buf;
buf_end = buf + buf_size;
read_header:
s->restart_interval = 0;
s->restart_count = 0;
s->mjpb_skiptosod = 0;
init_get_bits(&hgb, buf_ptr, (buf_end - buf_ptr)*8);
skip_bits(&hgb, 32);
if (get_bits_long(&hgb, 32) != MKBETAG('m','j','p','g'))
{
av_log(avctx, AV_LOG_WARNING, "not mjpeg-b (bad fourcc)\n");
return 0;
}
field_size = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "field size: 0x%x\n", field_size);
skip_bits(&hgb, 32);
second_field_offs = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "second field offs: 0x%x\n", second_field_offs);
dqt_offs = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "dqt offs: 0x%x\n", dqt_offs);
if (dqt_offs)
{
init_get_bits(&s->gb, buf_ptr+dqt_offs, (buf_end - (buf_ptr+dqt_offs))*8);
s->start_code = DQT;
ff_mjpeg_decode_dqt(s);
}
dht_offs = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "dht offs: 0x%x\n", dht_offs);
if (dht_offs)
{
init_get_bits(&s->gb, buf_ptr+dht_offs, (buf_end - (buf_ptr+dht_offs))*8);
s->start_code = DHT;
ff_mjpeg_decode_dht(s);
}
sof_offs = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "sof offs: 0x%x\n", sof_offs);
if (sof_offs)
{
init_get_bits(&s->gb, buf_ptr+sof_offs, (buf_end - (buf_ptr+sof_offs))*8);
s->start_code = SOF0;
if (ff_mjpeg_decode_sof(s) < 0)
return -1;
}
sos_offs = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "sos offs: 0x%x\n", sos_offs);
sod_offs = get_bits_long(&hgb, 32);
av_log(avctx, AV_LOG_DEBUG, "sod offs: 0x%x\n", sod_offs);
if (sos_offs)
{
init_get_bits(&s->gb, buf_ptr+sos_offs, field_size*8);
s->mjpb_skiptosod = (sod_offs - sos_offs - show_bits(&s->gb, 16));
s->start_code = SOS;
ff_mjpeg_decode_sos(s);
}
if (s->interlaced) {
s->bottom_field ^= 1;
if (s->bottom_field != s->interlace_polarity && second_field_offs)
{
buf_ptr = buf + second_field_offs;
second_field_offs = 0;
goto read_header;
}
}
*picture= s->picture;
*data_size = sizeof(AVFrame);
if(!s->lossless){
picture->quality= FFMAX(FFMAX(s->qscale[0], s->qscale[1]), s->qscale[2]);
picture->qstride= 0;
picture->qscale_table= s->qscale_table;
memset(picture->qscale_table, picture->quality, (s->width+15)/16);
if(avctx->debug & FF_DEBUG_QP)
av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", picture->quality);
picture->quality*= FF_QP2LAMBDA;
}
return buf_ptr - buf;
} | ['static int mjpegb_decode_frame(AVCodecContext *avctx,\n void *data, int *data_size,\n const uint8_t *buf, int buf_size)\n{\n MJpegDecodeContext *s = avctx->priv_data;\n const uint8_t *buf_end, *buf_ptr;\n AVFrame *picture = data;\n GetBitContext hgb;\n uint32_t dqt_offs, dht_offs, sof_offs, sos_offs, second_field_offs;\n uint32_t field_size, sod_offs;\n buf_ptr = buf;\n buf_end = buf + buf_size;\nread_header:\n s->restart_interval = 0;\n s->restart_count = 0;\n s->mjpb_skiptosod = 0;\n init_get_bits(&hgb, buf_ptr, (buf_end - buf_ptr)*8);\n skip_bits(&hgb, 32);\n if (get_bits_long(&hgb, 32) != MKBETAG(\'m\',\'j\',\'p\',\'g\'))\n {\n av_log(avctx, AV_LOG_WARNING, "not mjpeg-b (bad fourcc)\\n");\n return 0;\n }\n field_size = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "field size: 0x%x\\n", field_size);\n skip_bits(&hgb, 32);\n second_field_offs = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "second field offs: 0x%x\\n", second_field_offs);\n dqt_offs = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "dqt offs: 0x%x\\n", dqt_offs);\n if (dqt_offs)\n {\n init_get_bits(&s->gb, buf_ptr+dqt_offs, (buf_end - (buf_ptr+dqt_offs))*8);\n s->start_code = DQT;\n ff_mjpeg_decode_dqt(s);\n }\n dht_offs = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "dht offs: 0x%x\\n", dht_offs);\n if (dht_offs)\n {\n init_get_bits(&s->gb, buf_ptr+dht_offs, (buf_end - (buf_ptr+dht_offs))*8);\n s->start_code = DHT;\n ff_mjpeg_decode_dht(s);\n }\n sof_offs = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "sof offs: 0x%x\\n", sof_offs);\n if (sof_offs)\n {\n init_get_bits(&s->gb, buf_ptr+sof_offs, (buf_end - (buf_ptr+sof_offs))*8);\n s->start_code = SOF0;\n if (ff_mjpeg_decode_sof(s) < 0)\n return -1;\n }\n sos_offs = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "sos offs: 0x%x\\n", sos_offs);\n sod_offs = get_bits_long(&hgb, 32);\n av_log(avctx, AV_LOG_DEBUG, "sod offs: 0x%x\\n", sod_offs);\n if (sos_offs)\n {\n init_get_bits(&s->gb, buf_ptr+sos_offs, field_size*8);\n s->mjpb_skiptosod = (sod_offs - sos_offs - show_bits(&s->gb, 16));\n s->start_code = SOS;\n ff_mjpeg_decode_sos(s);\n }\n if (s->interlaced) {\n s->bottom_field ^= 1;\n if (s->bottom_field != s->interlace_polarity && second_field_offs)\n {\n buf_ptr = buf + second_field_offs;\n second_field_offs = 0;\n goto read_header;\n }\n }\n *picture= s->picture;\n *data_size = sizeof(AVFrame);\n if(!s->lossless){\n picture->quality= FFMAX(FFMAX(s->qscale[0], s->qscale[1]), s->qscale[2]);\n picture->qstride= 0;\n picture->qscale_table= s->qscale_table;\n memset(picture->qscale_table, picture->quality, (s->width+15)/16);\n if(avctx->debug & FF_DEBUG_QP)\n av_log(avctx, AV_LOG_DEBUG, "QP: %d\\n", picture->quality);\n picture->quality*= FF_QP2LAMBDA;\n }\n return buf_ptr - buf;\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 void skip_bits(GetBitContext *s, int n){\n OPEN_READER(re, s)\n UPDATE_CACHE(re, s)\n LAST_SKIP_BITS(re, s, n)\n CLOSE_READER(re, s)\n}'] |
15,655 | 0 | https://github.com/openssl/openssl/blob/3208ff58ca59d143b49dd2f1c05fbc33cf35e64f/crypto/lhash/lhash.c/#L365 | 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 **)OPENSSL_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;
}
} | ['static int ssl3_get_server_certificate(SSL *s)\n\t{\n\tint al,i,ok,ret= -1;\n\tunsigned long n,nc,llen,l;\n\tX509 *x=NULL;\n\tunsigned char *p,*d,*q;\n\tSTACK_OF(X509) *sk=NULL;\n\tSESS_CERT *sc;\n\tEVP_PKEY *pkey=NULL;\n int need_cert = 1;\n\tn=ssl3_get_message(s,\n\t\tSSL3_ST_CR_CERT_A,\n\t\tSSL3_ST_CR_CERT_B,\n\t\t-1,\n\t\ts->max_cert_list,\n\t\t&ok);\n\tif (!ok) return((int)n);\n\tif (s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE)\n\t\t{\n\t\ts->s3->tmp.reuse_message=1;\n\t\treturn(1);\n\t\t}\n\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_SERVER_CERTIFICATE,SSL_R_BAD_MESSAGE_TYPE);\n\t\tgoto f_err;\n\t\t}\n\td=p=(unsigned char *)s->init_msg;\n\tif ((sk=sk_X509_new_null()) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_GET_SERVER_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_SERVER_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_SERVER_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,&q,l);\n\t\tif (x == NULL)\n\t\t\t{\n\t\t\tal=SSL_AD_BAD_CERTIFICATE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,ERR_R_ASN1_LIB);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (q != (p+l))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_SSL3_GET_SERVER_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_SERVER_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\tp=q;\n\t\t}\n\ti=ssl_verify_cert_chain(s,sk);\n\tif ((s->verify_mode != SSL_VERIFY_NONE) && (!i)\n#ifndef OPENSSL_NO_KRB5\n && (s->s3->tmp.new_cipher->algorithms & (SSL_MKEY_MASK|SSL_AUTH_MASK))\n != (SSL_aKRB5|SSL_kKRB5)\n#endif\n )\n\t\t{\n\t\tal=ssl_verify_alarm_type(s->verify_result);\n\t\tSSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED);\n\t\tgoto f_err;\n\t\t}\n\tERR_clear_error();\n\tsc=ssl_sess_cert_new();\n\tif (sc == NULL) goto err;\n\tif (s->session->sess_cert) ssl_sess_cert_free(s->session->sess_cert);\n\ts->session->sess_cert=sc;\n\tsc->cert_chain=sk;\n\tx=sk_X509_value(sk,0);\n\tsk=NULL;\n\tpkey=X509_get_pubkey(x);\n need_cert =\t((s->s3->tmp.new_cipher->algorithms\n\t\t\t& (SSL_MKEY_MASK|SSL_AUTH_MASK))\n == (SSL_aKRB5|SSL_kKRB5))? 0: 1;\n#ifdef KSSL_DEBUG\n\tprintf("pkey,x = %p, %p\\n", pkey,x);\n\tprintf("ssl_cert_type(x,pkey) = %d\\n", ssl_cert_type(x,pkey));\n\tprintf("cipher, alg, nc = %s, %lx, %d\\n", s->s3->tmp.new_cipher->name,\n s->s3->tmp.new_cipher->algorithms, need_cert);\n#endif\n\tif (need_cert && ((pkey == NULL) || EVP_PKEY_missing_parameters(pkey)))\n\t\t{\n\t\tx=NULL;\n\t\tal=SSL3_AL_FATAL;\n\t\tSSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,\n\t\t\tSSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS);\n\t\tgoto f_err;\n\t\t}\n\ti=ssl_cert_type(x,pkey);\n\tif (need_cert && i < 0)\n\t\t{\n\t\tx=NULL;\n\t\tal=SSL3_AL_FATAL;\n\t\tSSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,\n\t\t\tSSL_R_UNKNOWN_CERTIFICATE_TYPE);\n\t\tgoto f_err;\n\t\t}\n if (need_cert)\n {\n sc->peer_cert_type=i;\n CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);\n if (sc->peer_pkeys[i].x509 != NULL)\n X509_free(sc->peer_pkeys[i].x509);\n sc->peer_pkeys[i].x509=x;\n sc->peer_key= &(sc->peer_pkeys[i]);\n if (s->session->peer != NULL)\n X509_free(s->session->peer);\n CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);\n s->session->peer=x;\n }\n else\n {\n sc->peer_cert_type=i;\n sc->peer_key= NULL;\n if (s->session->peer != NULL)\n X509_free(s->session->peer);\n s->session->peer=NULL;\n }\n\ts->session->verify_result = s->verify_result;\n\tx=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\tEVP_PKEY_free(pkey);\n\tX509_free(x);\n\tsk_X509_pop_free(sk,X509_free);\n\treturn(ret);\n\t}', 'long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)\n\t{\n\tunsigned char *p;\n\tunsigned long l;\n\tlong n;\n\tint i,al;\n\tif (s->s3->tmp.reuse_message)\n\t\t{\n\t\ts->s3->tmp.reuse_message=0;\n\t\tif ((mt >= 0) && (s->s3->tmp.message_type != mt))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t*ok=1;\n\t\ts->init_msg = s->init_buf->data + 4;\n\t\ts->init_num = (int)s->s3->tmp.message_size;\n\t\treturn s->init_num;\n\t\t}\n\tp=(unsigned char *)s->init_buf->data;\n\tif (s->state == st1)\n\t\t{\n\t\tint skip_message;\n\t\tdo\n\t\t\t{\n\t\t\twhile (s->init_num < 4)\n\t\t\t\t{\n\t\t\t\ti=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],\n\t\t\t\t\t4 - s->init_num, 0);\n\t\t\t\tif (i <= 0)\n\t\t\t\t\t{\n\t\t\t\t\ts->rwstate=SSL_READING;\n\t\t\t\t\t*ok = 0;\n\t\t\t\t\treturn i;\n\t\t\t\t\t}\n\t\t\t\ts->init_num+=i;\n\t\t\t\t}\n\t\t\tskip_message = 0;\n\t\t\tif (!s->server)\n\t\t\t\tif (p[0] == SSL3_MT_HELLO_REQUEST)\n\t\t\t\t\tif (p[1] == 0 && p[2] == 0 &&p[3] == 0)\n\t\t\t\t\t\t{\n\t\t\t\t\t\ts->init_num = 0;\n\t\t\t\t\t\tskip_message = 1;\n\t\t\t\t\t\tif (s->msg_callback)\n\t\t\t\t\t\t\ts->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg);\n\t\t\t\t\t\t}\n\t\t\t}\n\t\twhile (skip_message);\n\t\tif ((mt >= 0) && (*p != mt))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&\n\t\t\t\t\t(st1 == SSL3_ST_SR_CERT_A) &&\n\t\t\t\t\t(stn == SSL3_ST_SR_CERT_B))\n\t\t\t{\n\t\t\tssl3_init_finished_mac(s);\n\t\t\t}\n\t\ts->s3->tmp.message_type= *(p++);\n\t\tn2l3(p,l);\n\t\tif (l > (unsigned long)max)\n\t\t\t{\n\t\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (l > (INT_MAX-4))\n\t\t\t{\n\t\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (l && !BUF_MEM_grow(s->init_buf,(int)l+4))\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\ts->s3->tmp.message_size=l;\n\t\ts->state=stn;\n\t\ts->init_msg = s->init_buf->data + 4;\n\t\ts->init_num = 0;\n\t\t}\n\tp = s->init_msg;\n\tn = s->s3->tmp.message_size - s->init_num;\n\twhile (n > 0)\n\t\t{\n\t\ti=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);\n\t\tif (i <= 0)\n\t\t\t{\n\t\t\ts->rwstate=SSL_READING;\n\t\t\t*ok = 0;\n\t\t\treturn i;\n\t\t\t}\n\t\ts->init_num += i;\n\t\tn -= i;\n\t\t}\n\tssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);\n\tif (s->msg_callback)\n\t\ts->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg);\n\t*ok=1;\n\treturn s->init_num;\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\t*ok=0;\n\treturn(-1);\n\t}', 'void ssl3_send_alert(SSL *s, int level, int desc)\n\t{\n\tdesc=s->method->ssl3_enc->alert_value(desc);\n\tif (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\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\tif ((r = (SSL_SESSION *)lh_retrieve(ctx->sessions,c)) == c)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}', '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 **)OPENSSL_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}'] |
15,656 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/lhash/lhash.c/#L164 | 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;
}
}
} | ['int s_client_main(int argc, char **argv)\n{\n BIO *sbio;\n EVP_PKEY *key = NULL;\n SSL *con = NULL;\n SSL_CTX *ctx = NULL;\n STACK_OF(X509) *chain = NULL;\n X509 *cert = NULL;\n X509_VERIFY_PARAM *vpm = NULL;\n SSL_EXCERT *exc = NULL;\n SSL_CONF_CTX *cctx = NULL;\n STACK_OF(OPENSSL_STRING) *ssl_args = NULL;\n char *dane_tlsa_domain = NULL;\n STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;\n STACK_OF(X509_CRL) *crls = NULL;\n const SSL_METHOD *meth = TLS_client_method();\n char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;\n char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;\n char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;\n char *chCApath = NULL, *chCAfile = NULL, *host = NULL;\n char *port = BUF_strdup(PORT);\n char *inrand = NULL;\n char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;\n char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;\n char *xmpphost = NULL;\n const char *ehlo = "mail.example.com";\n struct timeval timeout, *timeoutp;\n fd_set readfds, writefds;\n int noCApath = 0, noCAfile = 0;\n int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;\n int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;\n int prexit = 0;\n int sdebug = 0;\n int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;\n int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;\n int sbuf_len, sbuf_off, cmdletters = 1;\n int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;\n int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;\n int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;\n int read_buf_len = 0;\n int fallback_scsv = 0;\n long randamt = 0;\n OPTION_CHOICE o;\n#ifndef OPENSSL_NO_DTLS\n int enable_timeouts = 0;\n long socket_mtu = 0;\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ENGINE *ssl_client_engine = NULL;\n#endif\n ENGINE *e = NULL;\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n struct timeval tv;\n#endif\n char *servername = NULL;\n const char *alpn_in = NULL;\n tlsextctx tlsextcbp = { NULL, 0 };\n const char *ssl_config = NULL;\n#define MAX_SI_TYPES 100\n unsigned short serverinfo_types[MAX_SI_TYPES];\n int serverinfo_count = 0, start = 0, len;\n#ifndef OPENSSL_NO_NEXTPROTONEG\n const char *next_proto_neg_in = NULL;\n#endif\n#ifndef OPENSSL_NO_SRP\n char *srppass = NULL;\n int srp_lateuser = 0;\n SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };\n#endif\n#ifndef OPENSSL_NO_CT\n char *ctlog_file = NULL;\n int ct_validation = 0;\n#endif\n int min_version = 0, max_version = 0;\n int async = 0;\n unsigned int split_send_fragment = 0;\n unsigned int max_pipelines = 0;\n FD_ZERO(&readfds);\n FD_ZERO(&writefds);\n#if defined(__has_feature)\n# if __has_feature(memory_sanitizer)\n __msan_unpoison(&readfds, sizeof(readfds));\n __msan_unpoison(&writefds, sizeof(writefds));\n# endif\n#endif\n prog = opt_progname(argv[0]);\n c_quiet = 0;\n c_ign_eof = 0;\n c_debug = 0;\n c_msg = 0;\n c_showcerts = 0;\n c_nbio = 0;\n verify_depth = 0;\n verify_error = X509_V_OK;\n vpm = X509_VERIFY_PARAM_new();\n cbuf = app_malloc(BUFSIZZ, "cbuf");\n sbuf = app_malloc(BUFSIZZ, "sbuf");\n mbuf = app_malloc(BUFSIZZ, "mbuf");\n cctx = SSL_CONF_CTX_new();\n if (vpm == NULL || cctx == NULL) {\n BIO_printf(bio_err, "%s: out of memory\\n", prog);\n goto end;\n }\n SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);\n prog = opt_init(argc, argv, s_client_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(s_client_options);\n ret = 0;\n goto end;\n case OPT_4:\n#ifdef AF_UNIX\n if (socket_family == AF_UNIX) {\n OPENSSL_free(host); host = NULL;\n OPENSSL_free(port); port = NULL;\n }\n#endif\n socket_family = AF_INET;\n break;\n case OPT_6:\n if (1) {\n#ifdef AF_INET6\n#ifdef AF_UNIX\n if (socket_family == AF_UNIX) {\n OPENSSL_free(host); host = NULL;\n OPENSSL_free(port); port = NULL;\n }\n#endif\n socket_family = AF_INET6;\n } else {\n#endif\n BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\\n", prog);\n goto end;\n }\n break;\n case OPT_HOST:\n#ifdef AF_UNIX\n if (socket_family == AF_UNIX) {\n OPENSSL_free(host); host = NULL;\n OPENSSL_free(port); port = NULL;\n socket_family = AF_UNSPEC;\n }\n#endif\n OPENSSL_free(host); host = BUF_strdup(opt_arg());\n break;\n case OPT_PORT:\n#ifdef AF_UNIX\n if (socket_family == AF_UNIX) {\n OPENSSL_free(host); host = NULL;\n OPENSSL_free(port); port = NULL;\n socket_family = AF_UNSPEC;\n }\n#endif\n OPENSSL_free(port); port = BUF_strdup(opt_arg());\n break;\n case OPT_CONNECT:\n#ifdef AF_UNIX\n if (socket_family == AF_UNIX) {\n socket_family = AF_UNSPEC;\n }\n#endif\n OPENSSL_free(host); host = NULL;\n OPENSSL_free(port); port = NULL;\n connectstr = opt_arg();\n break;\n case OPT_PROXY:\n proxystr = opt_arg();\n starttls_proto = PROTO_CONNECT;\n break;\n#ifdef AF_UNIX\n case OPT_UNIX:\n socket_family = AF_UNIX;\n OPENSSL_free(host); host = BUF_strdup(opt_arg());\n OPENSSL_free(port); port = NULL;\n break;\n#endif\n case OPT_XMPPHOST:\n xmpphost = opt_arg();\n break;\n case OPT_SMTPHOST:\n ehlo = opt_arg();\n break;\n case OPT_VERIFY:\n verify = SSL_VERIFY_PEER;\n verify_depth = atoi(opt_arg());\n if (!c_quiet)\n BIO_printf(bio_err, "verify depth is %d\\n", verify_depth);\n break;\n case OPT_CERT:\n cert_file = opt_arg();\n break;\n case OPT_CRL:\n crl_file = opt_arg();\n break;\n case OPT_CRL_DOWNLOAD:\n crl_download = 1;\n break;\n case OPT_SESS_OUT:\n sess_out = opt_arg();\n break;\n case OPT_SESS_IN:\n sess_in = opt_arg();\n break;\n case OPT_CERTFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))\n goto opthelp;\n break;\n case OPT_CRLFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))\n goto opthelp;\n break;\n case OPT_VERIFY_RET_ERROR:\n verify_return_error = 1;\n break;\n case OPT_VERIFY_QUIET:\n verify_quiet = 1;\n break;\n case OPT_BRIEF:\n c_brief = verify_quiet = c_quiet = 1;\n break;\n case OPT_S_CASES:\n if (ssl_args == NULL)\n ssl_args = sk_OPENSSL_STRING_new_null();\n if (ssl_args == NULL\n || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())\n || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {\n BIO_printf(bio_err, "%s: Memory allocation failure\\n", prog);\n goto end;\n }\n break;\n case OPT_V_CASES:\n if (!opt_verify(o, vpm))\n goto end;\n vpmtouched++;\n break;\n case OPT_X_CASES:\n if (!args_excert(o, &exc))\n goto end;\n break;\n case OPT_PREXIT:\n prexit = 1;\n break;\n case OPT_CRLF:\n crlf = 1;\n break;\n case OPT_QUIET:\n c_quiet = c_ign_eof = 1;\n break;\n case OPT_NBIO:\n c_nbio = 1;\n break;\n case OPT_NOCMDS:\n cmdletters = 0;\n break;\n case OPT_ENGINE:\n e = setup_engine(opt_arg(), 1);\n break;\n case OPT_SSL_CLIENT_ENGINE:\n#ifndef OPENSSL_NO_ENGINE\n ssl_client_engine = ENGINE_by_id(opt_arg());\n if (ssl_client_engine == NULL) {\n BIO_printf(bio_err, "Error getting client auth engine\\n");\n goto opthelp;\n }\n#endif\n break;\n case OPT_RAND:\n inrand = opt_arg();\n break;\n case OPT_IGN_EOF:\n c_ign_eof = 1;\n break;\n case OPT_NO_IGN_EOF:\n c_ign_eof = 0;\n break;\n case OPT_DEBUG:\n c_debug = 1;\n break;\n case OPT_TLSEXTDEBUG:\n c_tlsextdebug = 1;\n break;\n case OPT_STATUS:\n c_status_req = 1;\n break;\n case OPT_WDEBUG:\n#ifdef WATT32\n dbug_init();\n#endif\n break;\n case OPT_MSG:\n c_msg = 1;\n break;\n case OPT_MSGFILE:\n bio_c_msg = BIO_new_file(opt_arg(), "w");\n break;\n case OPT_TRACE:\n#ifndef OPENSSL_NO_SSL_TRACE\n c_msg = 2;\n#endif\n break;\n case OPT_SECURITY_DEBUG:\n sdebug = 1;\n break;\n case OPT_SECURITY_DEBUG_VERBOSE:\n sdebug = 2;\n break;\n case OPT_SHOWCERTS:\n c_showcerts = 1;\n break;\n case OPT_NBIO_TEST:\n nbio_test = 1;\n break;\n case OPT_STATE:\n state = 1;\n break;\n#ifndef OPENSSL_NO_PSK\n case OPT_PSK_IDENTITY:\n psk_identity = opt_arg();\n break;\n case OPT_PSK:\n for (p = psk_key = opt_arg(); *p; p++) {\n if (isxdigit(_UC(*p)))\n continue;\n BIO_printf(bio_err, "Not a hex number \'%s\'\\n", psk_key);\n goto end;\n }\n break;\n#endif\n#ifndef OPENSSL_NO_SRP\n case OPT_SRPUSER:\n srp_arg.srplogin = opt_arg();\n if (min_version < TLS1_VERSION)\n min_version = TLS1_VERSION;\n break;\n case OPT_SRPPASS:\n srppass = opt_arg();\n if (min_version < TLS1_VERSION)\n min_version = TLS1_VERSION;\n break;\n case OPT_SRP_STRENGTH:\n srp_arg.strength = atoi(opt_arg());\n BIO_printf(bio_err, "SRP minimal length for N is %d\\n",\n srp_arg.strength);\n if (min_version < TLS1_VERSION)\n min_version = TLS1_VERSION;\n break;\n case OPT_SRP_LATEUSER:\n srp_lateuser = 1;\n if (min_version < TLS1_VERSION)\n min_version = TLS1_VERSION;\n break;\n case OPT_SRP_MOREGROUPS:\n srp_arg.amp = 1;\n if (min_version < TLS1_VERSION)\n min_version = TLS1_VERSION;\n break;\n#endif\n case OPT_SSL_CONFIG:\n ssl_config = opt_arg();\n break;\n case OPT_SSL3:\n min_version = SSL3_VERSION;\n max_version = SSL3_VERSION;\n break;\n case OPT_TLS1_2:\n min_version = TLS1_2_VERSION;\n max_version = TLS1_2_VERSION;\n break;\n case OPT_TLS1_1:\n min_version = TLS1_1_VERSION;\n max_version = TLS1_1_VERSION;\n break;\n case OPT_TLS1:\n min_version = TLS1_VERSION;\n max_version = TLS1_VERSION;\n break;\n case OPT_DTLS:\n#ifndef OPENSSL_NO_DTLS\n meth = DTLS_client_method();\n socket_type = SOCK_DGRAM;\n#endif\n break;\n case OPT_DTLS1:\n#ifndef OPENSSL_NO_DTLS1\n meth = DTLS_client_method();\n min_version = DTLS1_VERSION;\n max_version = DTLS1_VERSION;\n socket_type = SOCK_DGRAM;\n#endif\n break;\n case OPT_DTLS1_2:\n#ifndef OPENSSL_NO_DTLS1_2\n meth = DTLS_client_method();\n min_version = DTLS1_2_VERSION;\n max_version = DTLS1_2_VERSION;\n socket_type = SOCK_DGRAM;\n#endif\n break;\n case OPT_TIMEOUT:\n#ifndef OPENSSL_NO_DTLS\n enable_timeouts = 1;\n#endif\n break;\n case OPT_MTU:\n#ifndef OPENSSL_NO_DTLS\n socket_mtu = atol(opt_arg());\n#endif\n break;\n case OPT_FALLBACKSCSV:\n fallback_scsv = 1;\n break;\n case OPT_KEYFORM:\n if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))\n goto opthelp;\n break;\n case OPT_PASS:\n passarg = opt_arg();\n break;\n case OPT_CERT_CHAIN:\n chain_file = opt_arg();\n break;\n case OPT_KEY:\n key_file = opt_arg();\n break;\n case OPT_RECONNECT:\n reconnect = 5;\n break;\n case OPT_CAPATH:\n CApath = opt_arg();\n break;\n case OPT_NOCAPATH:\n noCApath = 1;\n break;\n case OPT_CHAINCAPATH:\n chCApath = opt_arg();\n break;\n case OPT_VERIFYCAPATH:\n vfyCApath = opt_arg();\n break;\n case OPT_BUILD_CHAIN:\n build_chain = 1;\n break;\n case OPT_CAFILE:\n CAfile = opt_arg();\n break;\n case OPT_NOCAFILE:\n noCAfile = 1;\n break;\n#ifndef OPENSSL_NO_CT\n case OPT_NOCT:\n ct_validation = 0;\n break;\n case OPT_CT:\n ct_validation = 1;\n break;\n case OPT_CTLOG_FILE:\n ctlog_file = opt_arg();\n break;\n#endif\n case OPT_CHAINCAFILE:\n chCAfile = opt_arg();\n break;\n case OPT_VERIFYCAFILE:\n vfyCAfile = opt_arg();\n break;\n case OPT_DANE_TLSA_DOMAIN:\n dane_tlsa_domain = opt_arg();\n break;\n case OPT_DANE_TLSA_RRDATA:\n if (dane_tlsa_rrset == NULL)\n dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();\n if (dane_tlsa_rrset == NULL ||\n !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {\n BIO_printf(bio_err, "%s: Memory allocation failure\\n", prog);\n goto end;\n }\n break;\n case OPT_NEXTPROTONEG:\n#ifndef OPENSSL_NO_NEXTPROTONEG\n next_proto_neg_in = opt_arg();\n#endif\n break;\n case OPT_ALPN:\n alpn_in = opt_arg();\n break;\n case OPT_SERVERINFO:\n p = opt_arg();\n len = strlen(p);\n for (start = 0, i = 0; i <= len; ++i) {\n if (i == len || p[i] == \',\') {\n serverinfo_types[serverinfo_count] = atoi(p + start);\n if (++serverinfo_count == MAX_SI_TYPES)\n break;\n start = i + 1;\n }\n }\n break;\n case OPT_STARTTLS:\n if (!opt_pair(opt_arg(), services, &starttls_proto))\n goto end;\n break;\n case OPT_SERVERNAME:\n servername = opt_arg();\n break;\n case OPT_USE_SRTP:\n srtp_profiles = opt_arg();\n break;\n case OPT_KEYMATEXPORT:\n keymatexportlabel = opt_arg();\n break;\n case OPT_KEYMATEXPORTLEN:\n keymatexportlen = atoi(opt_arg());\n break;\n case OPT_ASYNC:\n async = 1;\n break;\n case OPT_SPLIT_SEND_FRAG:\n split_send_fragment = atoi(opt_arg());\n if (split_send_fragment == 0) {\n split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;\n }\n break;\n case OPT_MAX_PIPELINES:\n max_pipelines = atoi(opt_arg());\n break;\n case OPT_READ_BUF:\n read_buf_len = atoi(opt_arg());\n break;\n }\n }\n argc = opt_num_rest();\n if (argc != 0)\n goto opthelp;\n if (proxystr) {\n int res;\n char *tmp_host = host, *tmp_port = port;\n if (connectstr == NULL) {\n BIO_printf(bio_err, "%s: -proxy requires use of -connect\\n", prog);\n goto opthelp;\n }\n res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);\n if (tmp_host != host)\n OPENSSL_free(tmp_host);\n if (tmp_port != port)\n OPENSSL_free(tmp_port);\n if (!res) {\n BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\\n",\n prog);\n goto end;\n }\n } else {\n int res = 1;\n char *tmp_host = host, *tmp_port = port;\n if (connectstr != NULL)\n res = BIO_parse_hostserv(connectstr, &host, &port,\n BIO_PARSE_PRIO_HOST);\n if (tmp_host != host)\n OPENSSL_free(tmp_host);\n if (tmp_port != port)\n OPENSSL_free(tmp_port);\n if (!res) {\n BIO_printf(bio_err,\n "%s: -connect argument malformed or ambiguous\\n",\n prog);\n goto end;\n }\n }\n if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {\n BIO_printf(bio_err,\n "Can\'t use unix sockets and datagrams together\\n");\n goto end;\n }\n if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {\n BIO_printf(bio_err, "Bad split send fragment size\\n");\n goto end;\n }\n if (max_pipelines > SSL_MAX_PIPELINES) {\n BIO_printf(bio_err, "Bad max pipelines value\\n");\n goto end;\n }\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n next_proto.status = -1;\n if (next_proto_neg_in) {\n next_proto.data =\n next_protos_parse(&next_proto.len, next_proto_neg_in);\n if (next_proto.data == NULL) {\n BIO_printf(bio_err, "Error parsing -nextprotoneg argument\\n");\n goto end;\n }\n } else\n next_proto.data = NULL;\n#endif\n if (!app_passwd(passarg, NULL, &pass, NULL)) {\n BIO_printf(bio_err, "Error getting password\\n");\n goto end;\n }\n if (key_file == NULL)\n key_file = cert_file;\n if (key_file) {\n key = load_key(key_file, key_format, 0, pass, e,\n "client certificate private key file");\n if (key == NULL) {\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n if (cert_file) {\n cert = load_cert(cert_file, cert_format, "client certificate file");\n if (cert == NULL) {\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n if (chain_file) {\n if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,\n "client certificate chain"))\n goto end;\n }\n if (crl_file) {\n X509_CRL *crl;\n crl = load_crl(crl_file, crl_format);\n if (crl == NULL) {\n BIO_puts(bio_err, "Error loading CRL\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n crls = sk_X509_CRL_new_null();\n if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {\n BIO_puts(bio_err, "Error adding CRL\\n");\n ERR_print_errors(bio_err);\n X509_CRL_free(crl);\n goto end;\n }\n }\n if (!load_excert(&exc))\n goto end;\n if (!app_RAND_load_file(NULL, 1) && inrand == NULL\n && !RAND_status()) {\n BIO_printf(bio_err,\n "warning, not much extra random data, consider using the -rand option\\n");\n }\n if (inrand != NULL) {\n randamt = app_RAND_load_files(inrand);\n BIO_printf(bio_err, "%ld semi-random bytes loaded\\n", randamt);\n }\n if (bio_c_out == NULL) {\n if (c_quiet && !c_debug) {\n bio_c_out = BIO_new(BIO_s_null());\n if (c_msg && !bio_c_msg)\n bio_c_msg = dup_bio_out(FORMAT_TEXT);\n } else if (bio_c_out == NULL)\n bio_c_out = dup_bio_out(FORMAT_TEXT);\n }\n#ifndef OPENSSL_NO_SRP\n if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {\n BIO_printf(bio_err, "Error getting password\\n");\n goto end;\n }\n#endif\n ctx = SSL_CTX_new(meth);\n if (ctx == NULL) {\n ERR_print_errors(bio_err);\n goto end;\n }\n if (sdebug)\n ssl_ctx_security_debug(ctx, sdebug);\n if (ssl_config) {\n if (SSL_CTX_config(ctx, ssl_config) == 0) {\n BIO_printf(bio_err, "Error using configuration \\"%s\\"\\n",\n ssl_config);\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)\n goto end;\n if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)\n goto end;\n if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {\n BIO_printf(bio_err, "Error setting verify params\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n if (async) {\n SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);\n }\n if (split_send_fragment > 0) {\n SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);\n }\n if (max_pipelines > 0) {\n SSL_CTX_set_max_pipelines(ctx, max_pipelines);\n }\n if (read_buf_len > 0) {\n SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);\n }\n if (!config_ctx(cctx, ssl_args, ctx))\n goto end;\n if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,\n crls, crl_download)) {\n BIO_printf(bio_err, "Error loading store locations\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n#ifndef OPENSSL_NO_ENGINE\n if (ssl_client_engine) {\n if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {\n BIO_puts(bio_err, "Error setting client auth engine\\n");\n ERR_print_errors(bio_err);\n ENGINE_free(ssl_client_engine);\n goto end;\n }\n ENGINE_free(ssl_client_engine);\n }\n#endif\n#ifndef OPENSSL_NO_PSK\n if (psk_key != NULL) {\n if (c_debug)\n BIO_printf(bio_c_out,\n "PSK key given, setting client callback\\n");\n SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);\n }\n#endif\n#ifndef OPENSSL_NO_SRTP\n if (srtp_profiles != NULL) {\n if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {\n BIO_printf(bio_err, "Error setting SRTP profile\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n#endif\n if (exc)\n ssl_ctx_set_excert(ctx, exc);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n if (next_proto.data)\n SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);\n#endif\n if (alpn_in) {\n size_t alpn_len;\n unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);\n if (alpn == NULL) {\n BIO_printf(bio_err, "Error parsing -alpn argument\\n");\n goto end;\n }\n if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {\n BIO_printf(bio_err, "Error setting ALPN\\n");\n goto end;\n }\n OPENSSL_free(alpn);\n }\n for (i = 0; i < serverinfo_count; i++) {\n if (!SSL_CTX_add_client_custom_ext(ctx,\n serverinfo_types[i],\n NULL, NULL, NULL,\n serverinfo_cli_parse_cb, NULL)) {\n BIO_printf(bio_err,\n "Warning: Unable to add custom extension %u, skipping\\n",\n serverinfo_types[i]);\n }\n }\n if (state)\n SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);\n#ifndef OPENSSL_NO_CT\n if (ct_validation &&\n !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {\n ERR_print_errors(bio_err);\n goto end;\n }\n if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {\n if (ct_validation) {\n ERR_print_errors(bio_err);\n goto end;\n }\n ERR_clear_error();\n }\n#endif\n SSL_CTX_set_verify(ctx, verify, verify_callback);\n if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {\n ERR_print_errors(bio_err);\n goto end;\n }\n ssl_ctx_add_crls(ctx, crls, crl_download);\n if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))\n goto end;\n if (servername != NULL) {\n tlsextcbp.biodebug = bio_err;\n SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);\n SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);\n }\n# ifndef OPENSSL_NO_SRP\n if (srp_arg.srplogin) {\n if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {\n BIO_printf(bio_err, "Unable to set SRP username\\n");\n goto end;\n }\n srp_arg.msg = c_msg;\n srp_arg.debug = c_debug;\n SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);\n SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);\n SSL_CTX_set_srp_strength(ctx, srp_arg.strength);\n if (c_msg || c_debug || srp_arg.amp == 0)\n SSL_CTX_set_srp_verify_param_callback(ctx,\n ssl_srp_verify_param_cb);\n }\n# endif\n if (dane_tlsa_domain != NULL) {\n if (SSL_CTX_dane_enable(ctx) <= 0) {\n BIO_printf(bio_err,\n "%s: Error enabling DANE TLSA authentication.\\n", prog);\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n con = SSL_new(ctx);\n if (sess_in) {\n SSL_SESSION *sess;\n BIO *stmp = BIO_new_file(sess_in, "r");\n if (!stmp) {\n BIO_printf(bio_err, "Can\'t open session file %s\\n", sess_in);\n ERR_print_errors(bio_err);\n goto end;\n }\n sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);\n BIO_free(stmp);\n if (!sess) {\n BIO_printf(bio_err, "Can\'t open session file %s\\n", sess_in);\n ERR_print_errors(bio_err);\n goto end;\n }\n if (!SSL_set_session(con, sess)) {\n BIO_printf(bio_err, "Can\'t set session\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n SSL_SESSION_free(sess);\n }\n if (fallback_scsv)\n SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);\n if (servername != NULL) {\n if (!SSL_set_tlsext_host_name(con, servername)) {\n BIO_printf(bio_err, "Unable to set TLS servername extension.\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n if (dane_tlsa_domain != NULL) {\n if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {\n BIO_printf(bio_err, "%s: Error enabling DANE TLSA "\n "authentication.\\n", prog);\n ERR_print_errors(bio_err);\n goto end;\n }\n if (dane_tlsa_rrset == NULL) {\n BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "\n "least one -dane_tlsa_rrset option.\\n", prog);\n goto end;\n }\n if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {\n BIO_printf(bio_err, "%s: Failed to import any TLSA "\n "records.\\n", prog);\n goto end;\n }\n } else if (dane_tlsa_rrset != NULL) {\n BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "\n "-dane_tlsa_domain option.\\n", prog);\n goto end;\n }\n re_start:\n if (init_client(&s, host, port, socket_family, socket_type) == 0)\n {\n BIO_printf(bio_err, "connect:errno=%d\\n", get_last_socket_error());\n BIO_closesocket(s);\n goto end;\n }\n BIO_printf(bio_c_out, "CONNECTED(%08X)\\n", s);\n if (c_nbio) {\n if (!BIO_socket_nbio(s, 1)) {\n ERR_print_errors(bio_err);\n goto end;\n }\n BIO_printf(bio_c_out, "Turned on non blocking io\\n");\n }\n#ifndef OPENSSL_NO_DTLS\n if (socket_type == SOCK_DGRAM) {\n struct sockaddr peer;\n int peerlen = sizeof peer;\n sbio = BIO_new_dgram(s, BIO_NOCLOSE);\n if (getsockname(s, &peer, (void *)&peerlen) < 0) {\n BIO_printf(bio_err, "getsockname:errno=%d\\n",\n get_last_socket_error());\n BIO_closesocket(s);\n goto end;\n }\n (void)BIO_ctrl_set_connected(sbio, &peer);\n if (enable_timeouts) {\n timeout.tv_sec = 0;\n timeout.tv_usec = DGRAM_RCV_TIMEOUT;\n BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);\n timeout.tv_sec = 0;\n timeout.tv_usec = DGRAM_SND_TIMEOUT;\n BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);\n }\n if (socket_mtu) {\n if (socket_mtu < DTLS_get_link_min_mtu(con)) {\n BIO_printf(bio_err, "MTU too small. Must be at least %ld\\n",\n DTLS_get_link_min_mtu(con));\n BIO_free(sbio);\n goto shut;\n }\n SSL_set_options(con, SSL_OP_NO_QUERY_MTU);\n if (!DTLS_set_link_mtu(con, socket_mtu)) {\n BIO_printf(bio_err, "Failed to set MTU\\n");\n BIO_free(sbio);\n goto shut;\n }\n } else\n BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);\n } else\n#endif\n sbio = BIO_new_socket(s, BIO_NOCLOSE);\n if (nbio_test) {\n BIO *test;\n test = BIO_new(BIO_f_nbio_test());\n sbio = BIO_push(test, sbio);\n }\n if (c_debug) {\n BIO_set_callback(sbio, bio_dump_callback);\n BIO_set_callback_arg(sbio, (char *)bio_c_out);\n }\n if (c_msg) {\n#ifndef OPENSSL_NO_SSL_TRACE\n if (c_msg == 2)\n SSL_set_msg_callback(con, SSL_trace);\n else\n#endif\n SSL_set_msg_callback(con, msg_cb);\n SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);\n }\n if (c_tlsextdebug) {\n SSL_set_tlsext_debug_callback(con, tlsext_cb);\n SSL_set_tlsext_debug_arg(con, bio_c_out);\n }\n#ifndef OPENSSL_NO_OCSP\n if (c_status_req) {\n SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);\n SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);\n SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);\n }\n#endif\n SSL_set_bio(con, sbio, sbio);\n SSL_set_connect_state(con);\n width = SSL_get_fd(con) + 1;\n read_tty = 1;\n write_tty = 0;\n tty_on = 0;\n read_ssl = 1;\n write_ssl = 1;\n cbuf_len = 0;\n cbuf_off = 0;\n sbuf_len = 0;\n sbuf_off = 0;\n switch ((PROTOCOL_CHOICE) starttls_proto) {\n case PROTO_OFF:\n break;\n case PROTO_SMTP:\n {\n int foundit = 0;\n BIO *fbio = BIO_new(BIO_f_buffer());\n BIO_push(fbio, sbio);\n do {\n mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);\n }\n while (mbuf_len > 3 && mbuf[3] == \'-\');\n BIO_printf(fbio, "EHLO %s\\r\\n", ehlo);\n (void)BIO_flush(fbio);\n do {\n mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);\n if (strstr(mbuf, "STARTTLS"))\n foundit = 1;\n }\n while (mbuf_len > 3 && mbuf[3] == \'-\');\n (void)BIO_flush(fbio);\n BIO_pop(fbio);\n BIO_free(fbio);\n if (!foundit)\n BIO_printf(bio_err,\n "didn\'t find starttls in server response,"\n " trying anyway...\\n");\n BIO_printf(sbio, "STARTTLS\\r\\n");\n BIO_read(sbio, sbuf, BUFSIZZ);\n }\n break;\n case PROTO_POP3:\n {\n BIO_read(sbio, mbuf, BUFSIZZ);\n BIO_printf(sbio, "STLS\\r\\n");\n mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);\n if (mbuf_len < 0) {\n BIO_printf(bio_err, "BIO_read failed\\n");\n goto end;\n }\n }\n break;\n case PROTO_IMAP:\n {\n int foundit = 0;\n BIO *fbio = BIO_new(BIO_f_buffer());\n BIO_push(fbio, sbio);\n BIO_gets(fbio, mbuf, BUFSIZZ);\n BIO_printf(fbio, ". CAPABILITY\\r\\n");\n (void)BIO_flush(fbio);\n do {\n mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);\n if (strstr(mbuf, "STARTTLS"))\n foundit = 1;\n }\n while (mbuf_len > 3 && mbuf[0] != \'.\');\n (void)BIO_flush(fbio);\n BIO_pop(fbio);\n BIO_free(fbio);\n if (!foundit)\n BIO_printf(bio_err,\n "didn\'t find STARTTLS in server response,"\n " trying anyway...\\n");\n BIO_printf(sbio, ". STARTTLS\\r\\n");\n BIO_read(sbio, sbuf, BUFSIZZ);\n }\n break;\n case PROTO_FTP:\n {\n BIO *fbio = BIO_new(BIO_f_buffer());\n BIO_push(fbio, sbio);\n do {\n mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);\n }\n while (mbuf_len > 3 && mbuf[3] == \'-\');\n (void)BIO_flush(fbio);\n BIO_pop(fbio);\n BIO_free(fbio);\n BIO_printf(sbio, "AUTH TLS\\r\\n");\n BIO_read(sbio, sbuf, BUFSIZZ);\n }\n break;\n case PROTO_XMPP:\n case PROTO_XMPP_SERVER:\n {\n int seen = 0;\n BIO_printf(sbio, "<stream:stream "\n "xmlns:stream=\'http://etherx.jabber.org/streams\' "\n "xmlns=\'jabber:%s\' to=\'%s\' version=\'1.0\'>",\n starttls_proto == PROTO_XMPP ? "client" : "server",\n xmpphost ? xmpphost : host);\n seen = BIO_read(sbio, mbuf, BUFSIZZ);\n mbuf[seen] = 0;\n while (!strstr\n (mbuf, "<starttls xmlns=\'urn:ietf:params:xml:ns:xmpp-tls\'")\n && !strstr(mbuf,\n "<starttls xmlns=\\"urn:ietf:params:xml:ns:xmpp-tls\\""))\n {\n seen = BIO_read(sbio, mbuf, BUFSIZZ);\n if (seen <= 0)\n goto shut;\n mbuf[seen] = 0;\n }\n BIO_printf(sbio,\n "<starttls xmlns=\'urn:ietf:params:xml:ns:xmpp-tls\'/>");\n seen = BIO_read(sbio, sbuf, BUFSIZZ);\n sbuf[seen] = 0;\n if (!strstr(sbuf, "<proceed"))\n goto shut;\n mbuf[0] = 0;\n }\n break;\n case PROTO_TELNET:\n {\n static const unsigned char tls_do[] = {\n 255, 253, 46\n };\n static const unsigned char tls_will[] = {\n 255, 251, 46\n };\n static const unsigned char tls_follows[] = {\n 255, 250, 46, 1, 255, 240\n };\n int bytes;\n bytes = BIO_read(sbio, mbuf, BUFSIZZ);\n if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)\n goto shut;\n BIO_write(sbio, tls_will, 3);\n BIO_write(sbio, tls_follows, 6);\n (void)BIO_flush(sbio);\n bytes = BIO_read(sbio, mbuf, BUFSIZZ);\n if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)\n goto shut;\n }\n break;\n case PROTO_CONNECT:\n {\n int foundit = 0;\n BIO *fbio = BIO_new(BIO_f_buffer());\n BIO_push(fbio, sbio);\n BIO_printf(fbio, "CONNECT %s HTTP/1.0\\r\\n\\r\\n", connectstr);\n (void)BIO_flush(fbio);\n do {\n mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);\n if (strstr(mbuf, "200") != NULL\n && strstr(mbuf, "established") != NULL)\n foundit++;\n } while (mbuf_len > 3 && foundit == 0);\n (void)BIO_flush(fbio);\n BIO_pop(fbio);\n BIO_free(fbio);\n if (!foundit) {\n BIO_printf(bio_err, "%s: HTTP CONNECT failed\\n", prog);\n goto shut;\n }\n }\n break;\n case PROTO_IRC:\n {\n int numeric;\n BIO *fbio = BIO_new(BIO_f_buffer());\n BIO_push(fbio, sbio);\n BIO_printf(fbio, "STARTTLS\\r\\n");\n (void)BIO_flush(fbio);\n width = SSL_get_fd(con) + 1;\n do {\n numeric = 0;\n FD_ZERO(&readfds);\n openssl_fdset(SSL_get_fd(con), &readfds);\n timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;\n timeout.tv_usec = 0;\n if (!BIO_get_buffer_num_lines(fbio)\n && !BIO_pending(fbio)\n && !BIO_pending(sbio)\n && select(width, (void *)&readfds, NULL, NULL,\n &timeout) < 1) {\n BIO_printf(bio_err,\n "Timeout waiting for response (%d seconds).\\n",\n S_CLIENT_IRC_READ_TIMEOUT);\n break;\n }\n mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);\n if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)\n break;\n if ((numeric == 451 || numeric == 421)\n && strstr(mbuf, "STARTTLS") != NULL) {\n BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);\n break;\n }\n if (numeric == 691) {\n BIO_printf(bio_err, "STARTTLS negotiation failed: ");\n ERR_print_errors(bio_err);\n break;\n }\n } while (numeric != 670);\n (void)BIO_flush(fbio);\n BIO_pop(fbio);\n BIO_free(fbio);\n if (numeric != 670) {\n BIO_printf(bio_err, "Server does not support STARTTLS.\\n");\n ret = 1;\n goto shut;\n }\n }\n }\n for (;;) {\n FD_ZERO(&readfds);\n FD_ZERO(&writefds);\n if ((SSL_version(con) == DTLS1_VERSION) &&\n DTLSv1_get_timeout(con, &timeout))\n timeoutp = &timeout;\n else\n timeoutp = NULL;\n if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {\n in_init = 1;\n tty_on = 0;\n } else {\n tty_on = 1;\n if (in_init) {\n in_init = 0;\n if (servername != NULL && !SSL_session_reused(con)) {\n BIO_printf(bio_c_out,\n "Server did %sacknowledge servername extension.\\n",\n tlsextcbp.ack ? "" : "not ");\n }\n if (sess_out) {\n BIO *stmp = BIO_new_file(sess_out, "w");\n if (stmp) {\n PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));\n BIO_free(stmp);\n } else\n BIO_printf(bio_err, "Error writing session file %s\\n",\n sess_out);\n }\n if (c_brief) {\n BIO_puts(bio_err, "CONNECTION ESTABLISHED\\n");\n print_ssl_summary(con);\n }\n print_stuff(bio_c_out, con, full_log);\n if (full_log > 0)\n full_log--;\n if (starttls_proto) {\n BIO_write(bio_err, mbuf, mbuf_len);\n if (!reconnect)\n starttls_proto = PROTO_OFF;\n }\n if (reconnect) {\n reconnect--;\n BIO_printf(bio_c_out,\n "drop connection and then reconnect\\n");\n do_ssl_shutdown(con);\n SSL_set_connect_state(con);\n BIO_closesocket(SSL_get_fd(con));\n goto re_start;\n }\n }\n }\n ssl_pending = read_ssl && SSL_has_pending(con);\n if (!ssl_pending) {\n#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)\n if (tty_on) {\n if (read_tty)\n openssl_fdset(fileno(stdin), &readfds);\n if (write_tty)\n openssl_fdset(fileno(stdout), &writefds);\n }\n if (read_ssl)\n openssl_fdset(SSL_get_fd(con), &readfds);\n if (write_ssl)\n openssl_fdset(SSL_get_fd(con), &writefds);\n#else\n if (!tty_on || !write_tty) {\n if (read_ssl)\n openssl_fdset(SSL_get_fd(con), &readfds);\n if (write_ssl)\n openssl_fdset(SSL_get_fd(con), &writefds);\n }\n#endif\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n i = 0;\n if (!write_tty) {\n if (read_tty) {\n tv.tv_sec = 1;\n tv.tv_usec = 0;\n i = select(width, (void *)&readfds, (void *)&writefds,\n NULL, &tv);\n# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)\n if (!i && (!_kbhit() || !read_tty))\n continue;\n# else\n if (!i && (!((_kbhit())\n || (WAIT_OBJECT_0 ==\n WaitForSingleObject(GetStdHandle\n (STD_INPUT_HANDLE),\n 0)))\n || !read_tty))\n continue;\n# endif\n } else\n i = select(width, (void *)&readfds, (void *)&writefds,\n NULL, timeoutp);\n }\n#else\n i = select(width, (void *)&readfds, (void *)&writefds,\n NULL, timeoutp);\n#endif\n if (i < 0) {\n BIO_printf(bio_err, "bad select %d\\n",\n get_last_socket_error());\n goto shut;\n }\n }\n if ((SSL_version(con) == DTLS1_VERSION)\n && DTLSv1_handle_timeout(con) > 0) {\n BIO_printf(bio_err, "TIMEOUT occurred\\n");\n }\n if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {\n k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);\n switch (SSL_get_error(con, k)) {\n case SSL_ERROR_NONE:\n cbuf_off += k;\n cbuf_len -= k;\n if (k <= 0)\n goto end;\n if (cbuf_len <= 0) {\n read_tty = 1;\n write_ssl = 0;\n } else {\n read_tty = 0;\n write_ssl = 1;\n }\n break;\n case SSL_ERROR_WANT_WRITE:\n BIO_printf(bio_c_out, "write W BLOCK\\n");\n write_ssl = 1;\n read_tty = 0;\n break;\n case SSL_ERROR_WANT_ASYNC:\n BIO_printf(bio_c_out, "write A BLOCK\\n");\n wait_for_async(con);\n write_ssl = 1;\n read_tty = 0;\n break;\n case SSL_ERROR_WANT_READ:\n BIO_printf(bio_c_out, "write R BLOCK\\n");\n write_tty = 0;\n read_ssl = 1;\n write_ssl = 0;\n break;\n case SSL_ERROR_WANT_X509_LOOKUP:\n BIO_printf(bio_c_out, "write X BLOCK\\n");\n break;\n case SSL_ERROR_ZERO_RETURN:\n if (cbuf_len != 0) {\n BIO_printf(bio_c_out, "shutdown\\n");\n ret = 0;\n goto shut;\n } else {\n read_tty = 1;\n write_ssl = 0;\n break;\n }\n case SSL_ERROR_SYSCALL:\n if ((k != 0) || (cbuf_len != 0)) {\n BIO_printf(bio_err, "write:errno=%d\\n",\n get_last_socket_error());\n goto shut;\n } else {\n read_tty = 1;\n write_ssl = 0;\n }\n break;\n case SSL_ERROR_WANT_ASYNC_JOB:\n case SSL_ERROR_SSL:\n ERR_print_errors(bio_err);\n goto shut;\n }\n }\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n else if (!ssl_pending && write_tty)\n#else\n else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))\n#endif\n {\n#ifdef CHARSET_EBCDIC\n ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);\n#endif\n i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);\n if (i <= 0) {\n BIO_printf(bio_c_out, "DONE\\n");\n ret = 0;\n goto shut;\n }\n sbuf_len -= i;;\n sbuf_off += i;\n if (sbuf_len <= 0) {\n read_ssl = 1;\n write_tty = 0;\n }\n } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {\n#ifdef RENEG\n {\n static int iiii;\n if (++iiii == 52) {\n SSL_renegotiate(con);\n iiii = 0;\n }\n }\n#endif\n k = SSL_read(con, sbuf, 1024 );\n switch (SSL_get_error(con, k)) {\n case SSL_ERROR_NONE:\n if (k <= 0)\n goto end;\n sbuf_off = 0;\n sbuf_len = k;\n read_ssl = 0;\n write_tty = 1;\n break;\n case SSL_ERROR_WANT_ASYNC:\n BIO_printf(bio_c_out, "read A BLOCK\\n");\n wait_for_async(con);\n write_tty = 0;\n read_ssl = 1;\n if ((read_tty == 0) && (write_ssl == 0))\n write_ssl = 1;\n break;\n case SSL_ERROR_WANT_WRITE:\n BIO_printf(bio_c_out, "read W BLOCK\\n");\n write_ssl = 1;\n read_tty = 0;\n break;\n case SSL_ERROR_WANT_READ:\n BIO_printf(bio_c_out, "read R BLOCK\\n");\n write_tty = 0;\n read_ssl = 1;\n if ((read_tty == 0) && (write_ssl == 0))\n write_ssl = 1;\n break;\n case SSL_ERROR_WANT_X509_LOOKUP:\n BIO_printf(bio_c_out, "read X BLOCK\\n");\n break;\n case SSL_ERROR_SYSCALL:\n ret = get_last_socket_error();\n if (c_brief)\n BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\\n");\n else\n BIO_printf(bio_err, "read:errno=%d\\n", ret);\n goto shut;\n case SSL_ERROR_ZERO_RETURN:\n BIO_printf(bio_c_out, "closed\\n");\n ret = 0;\n goto shut;\n case SSL_ERROR_WANT_ASYNC_JOB:\n case SSL_ERROR_SSL:\n ERR_print_errors(bio_err);\n goto shut;\n }\n }\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)\n else if (_kbhit())\n# else\n else if ((_kbhit())\n || (WAIT_OBJECT_0 ==\n WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))\n# endif\n#else\n else if (FD_ISSET(fileno(stdin), &readfds))\n#endif\n {\n if (crlf) {\n int j, lf_num;\n i = raw_read_stdin(cbuf, BUFSIZZ / 2);\n lf_num = 0;\n for (j = 0; j < i; j++)\n if (cbuf[j] == \'\\n\')\n lf_num++;\n for (j = i - 1; j >= 0; j--) {\n cbuf[j + lf_num] = cbuf[j];\n if (cbuf[j] == \'\\n\') {\n lf_num--;\n i++;\n cbuf[j + lf_num] = \'\\r\';\n }\n }\n assert(lf_num == 0);\n } else\n i = raw_read_stdin(cbuf, BUFSIZZ);\n if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == \'Q\' && cmdletters))) {\n BIO_printf(bio_err, "DONE\\n");\n ret = 0;\n goto shut;\n }\n if ((!c_ign_eof) && (cbuf[0] == \'R\' && cmdletters)) {\n BIO_printf(bio_err, "RENEGOTIATING\\n");\n SSL_renegotiate(con);\n cbuf_len = 0;\n }\n#ifndef OPENSSL_NO_HEARTBEATS\n else if ((!c_ign_eof) && (cbuf[0] == \'B\' && cmdletters)) {\n BIO_printf(bio_err, "HEARTBEATING\\n");\n SSL_heartbeat(con);\n cbuf_len = 0;\n }\n#endif\n else {\n cbuf_len = i;\n cbuf_off = 0;\n#ifdef CHARSET_EBCDIC\n ebcdic2ascii(cbuf, cbuf, i);\n#endif\n }\n write_ssl = 1;\n read_tty = 0;\n }\n }\n ret = 0;\n shut:\n if (in_init)\n print_stuff(bio_c_out, con, full_log);\n do_ssl_shutdown(con);\n BIO_closesocket(SSL_get_fd(con));\n end:\n if (con != NULL) {\n if (prexit != 0)\n print_stuff(bio_c_out, con, 1);\n SSL_free(con);\n }\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n OPENSSL_free(next_proto.data);\n#endif\n SSL_CTX_free(ctx);\n X509_free(cert);\n sk_X509_CRL_pop_free(crls, X509_CRL_free);\n EVP_PKEY_free(key);\n sk_X509_pop_free(chain, X509_free);\n OPENSSL_free(pass);\n#ifndef OPENSSL_NO_SRP\n OPENSSL_free(srp_arg.srppassin);\n#endif\n OPENSSL_free(host);\n OPENSSL_free(port);\n X509_VERIFY_PARAM_free(vpm);\n ssl_excert_free(exc);\n sk_OPENSSL_STRING_free(ssl_args);\n sk_OPENSSL_STRING_free(dane_tlsa_rrset);\n SSL_CONF_CTX_free(cctx);\n OPENSSL_clear_free(cbuf, BUFSIZZ);\n OPENSSL_clear_free(sbuf, BUFSIZZ);\n OPENSSL_clear_free(mbuf, BUFSIZZ);\n BIO_free(bio_c_out);\n bio_c_out = NULL;\n BIO_free(bio_c_msg);\n bio_c_msg = NULL;\n return (ret);\n}', 'SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)\n{\n SSL_CTX *ret = NULL;\n if (meth == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED);\n return (NULL);\n }\n if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL))\n return NULL;\n if (FIPS_mode() && (meth->version < TLS1_VERSION)) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_AT_LEAST_TLS_1_0_NEEDED_IN_FIPS_MODE);\n return NULL;\n }\n if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);\n goto err;\n }\n ret = OPENSSL_zalloc(sizeof(*ret));\n if (ret == NULL)\n goto err;\n ret->method = meth;\n ret->min_proto_version = 0;\n ret->max_proto_version = 0;\n ret->session_cache_mode = SSL_SESS_CACHE_SERVER;\n ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;\n ret->session_timeout = meth->get_timeout();\n ret->references = 1;\n ret->lock = CRYPTO_THREAD_lock_new();\n if (ret->lock == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(ret);\n return NULL;\n }\n ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;\n ret->verify_mode = SSL_VERIFY_NONE;\n if ((ret->cert = ssl_cert_new()) == NULL)\n goto err;\n ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp);\n if (ret->sessions == NULL)\n goto err;\n ret->cert_store = X509_STORE_new();\n if (ret->cert_store == NULL)\n goto err;\n#ifndef OPENSSL_NO_CT\n ret->ctlog_store = CTLOG_STORE_new();\n if (ret->ctlog_store == NULL)\n goto err;\n#endif\n if (!ssl_create_cipher_list(ret->method,\n &ret->cipher_list, &ret->cipher_list_by_id,\n SSL_DEFAULT_CIPHER_LIST, ret->cert)\n || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS);\n goto err2;\n }\n ret->param = X509_VERIFY_PARAM_new();\n if (ret->param == NULL)\n goto err;\n if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);\n goto err2;\n }\n if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);\n goto err2;\n }\n if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL)\n goto err;\n if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data))\n goto err;\n if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))\n ret->comp_methods = SSL_COMP_get_compression_methods();\n ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;\n ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;\n if ((RAND_bytes(ret->tlsext_tick_key_name, sizeof(ret->tlsext_tick_key_name)) <= 0)\n || (RAND_bytes(ret->tlsext_tick_hmac_key, sizeof(ret->tlsext_tick_hmac_key)) <= 0)\n || (RAND_bytes(ret->tlsext_tick_aes_key, sizeof(ret->tlsext_tick_aes_key)) <= 0))\n ret->options |= SSL_OP_NO_TICKET;\n#ifndef OPENSSL_NO_SRP\n if (!SSL_CTX_SRP_CTX_init(ret))\n goto err;\n#endif\n#ifndef OPENSSL_NO_ENGINE\n# ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO\n# define eng_strx(x) #x\n# define eng_str(x) eng_strx(x)\n {\n ENGINE *eng;\n eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));\n if (!eng) {\n ERR_clear_error();\n ENGINE_load_builtin_engines();\n eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));\n }\n if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))\n ERR_clear_error();\n }\n# endif\n#endif\n ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;\n ret->options |= SSL_OP_NO_COMPRESSION;\n ret->tlsext_status_type = -1;\n return ret;\n err:\n SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);\n err2:\n SSL_CTX_free(ret);\n return NULL;\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'OPENSSL_LHASH *OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c)\n{\n OPENSSL_LHASH *ret;\n if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)\n goto err0;\n if ((ret->b = OPENSSL_zalloc(sizeof(*ret->b) * MIN_NODES)) == NULL)\n goto err1;\n ret->comp = ((c == NULL) ? (OPENSSL_LH_COMPFUNC)strcmp : c);\n ret->hash = ((h == NULL) ? (OPENSSL_LH_HASHFUNC)OPENSSL_LH_strhash : h);\n ret->num_nodes = MIN_NODES / 2;\n ret->num_alloc_nodes = MIN_NODES;\n ret->pmax = MIN_NODES / 2;\n ret->up_load = UP_LOAD;\n ret->down_load = DOWN_LOAD;\n return (ret);\n err1:\n OPENSSL_free(ret);\n err0:\n return (NULL);\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n CRYPTO_atomic_add(&s->references, -1, &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 if (s->bbio != NULL) {\n if (s->bbio == s->wbio) {\n s->wbio = BIO_pop(s->wbio);\n }\n BIO_free(s->bbio);\n s->bbio = NULL;\n }\n BIO_free_all(s->rbio);\n if (s->wbio != s->rbio)\n BIO_free_all(s->wbio);\n BUF_MEM_free(s->init_buf);\n sk_SSL_CIPHER_free(s->cipher_list);\n sk_SSL_CIPHER_free(s->cipher_list_by_id);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n clear_ciphers(s);\n ssl_cert_free(s->cert);\n OPENSSL_free(s->tlsext_hostname);\n SSL_CTX_free(s->initial_ctx);\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(s->tlsext_ecpointformatlist);\n OPENSSL_free(s->tlsext_ellipticcurvelist);\n#endif\n sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free);\n#ifndef OPENSSL_NO_OCSP\n sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);\n#endif\n#ifndef OPENSSL_NO_CT\n SCT_LIST_free(s->scts);\n OPENSSL_free(s->tlsext_scts);\n#endif\n OPENSSL_free(s->tlsext_ocsp_resp);\n OPENSSL_free(s->alpn_client_proto_list);\n sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free);\n sk_X509_pop_free(s->verified_chain, X509_free);\n if (s->method != NULL)\n s->method->ssl_free(s);\n RECORD_LAYER_release(&s->rlayer);\n SSL_CTX_free(s->ctx);\n ASYNC_WAIT_CTX_free(s->waitctx);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n OPENSSL_free(s->next_proto_negotiated);\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_atomic_add(&a->references, -1, &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 ssl_cert_free(a->cert);\n sk_X509_NAME_pop_free(a->client_CA, 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->tlsext_ecpointformatlist);\n OPENSSL_free(a->tlsext_ellipticcurvelist);\n#endif\n OPENSSL_free(a->alpn_client_proto_list);\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}'] |
15,657 | 0 | https://gitlab.com/libtiff/libtiff/blob/06337fdcfd19f2e5dbe99209540dbe34315f29eb/libtiff/tif_tile.c/#L129 | uint32
TIFFNumberOfTiles(TIFF* tif)
{
TIFFDirectory *td = &tif->tif_dir;
uint32 dx = td->td_tilewidth;
uint32 dy = td->td_tilelength;
uint32 dz = td->td_tiledepth;
uint32 ntiles;
if (dx == (uint32) -1)
dx = td->td_imagewidth;
if (dy == (uint32) -1)
dy = td->td_imagelength;
if (dz == (uint32) -1)
dz = td->td_imagedepth;
ntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :
_TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),
TIFFhowmany_32(td->td_imagelength, dy),
"TIFFNumberOfTiles"),
TIFFhowmany_32(td->td_imagedepth, dz), "TIFFNumberOfTiles");
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
ntiles = _TIFFMultiply32(tif, ntiles, td->td_samplesperpixel,
"TIFFNumberOfTiles");
return (ntiles);
} | ['static int\ncpTiles(TIFF* in, TIFF* out)\n{\n\ttmsize_t bufsize = TIFFTileSize(in);\n\tunsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);\n\tif (buf) {\n\t\tttile_t t, nt = TIFFNumberOfTiles(in);\n\t\tuint64 *bytecounts;\n\t\tif (!TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts)) {\n\t\t\tfprintf(stderr, "tiffsplit: tile byte counts are missing\\n");\n _TIFFfree(buf);\n\t\t\treturn (0);\n\t\t}\n\t\tfor (t = 0; t < nt; t++) {\n\t\t\tif (bytecounts[t] > (uint64) bufsize) {\n\t\t\t\tbuf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[t]);\n\t\t\t\tif (!buf)\n\t\t\t\t\treturn (0);\n\t\t\t\tbufsize = (tmsize_t)bytecounts[t];\n\t\t\t}\n\t\t\tif (TIFFReadRawTile(in, t, buf, (tmsize_t)bytecounts[t]) < 0 ||\n\t\t\t TIFFWriteRawTile(out, t, buf, (tmsize_t)bytecounts[t]) < 0) {\n\t\t\t\t_TIFFfree(buf);\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\t_TIFFfree(buf);\n\t\treturn (1);\n\t}\n\treturn (0);\n}', 'tmsize_t\nTIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc)\n{\n\tstatic const char module[] = "TIFFWriteRawTile";\n\tif (!WRITECHECKTILES(tif, module))\n\t\treturn ((tmsize_t)(-1));\n\tif (tile >= tif->tif_dir.td_nstrips) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module, "Tile %lu out of range, max %lu",\n\t\t (unsigned long) tile,\n\t\t (unsigned long) tif->tif_dir.td_nstrips);\n\t\treturn ((tmsize_t)(-1));\n\t}\n\treturn (TIFFAppendToStrip(tif, tile, (uint8*) data, cc) ?\n\t cc : (tmsize_t)(-1));\n}', 'int\nTIFFWriteCheck(TIFF* tif, int tiles, const char* module)\n{\n\tif (tif->tif_mode == O_RDONLY) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module, "File not open for writing");\n\t\treturn (0);\n\t}\n\tif (tiles ^ isTiled(tif)) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module, tiles ?\n\t\t "Can not write tiles to a stripped image" :\n\t\t "Can not write scanlines to a tiled image");\n\t\treturn (0);\n\t}\n _TIFFFillStriles( tif );\n\tif (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS)) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "Must set \\"ImageWidth\\" before writing data");\n\t\treturn (0);\n\t}\n\tif (tif->tif_dir.td_samplesperpixel == 1) {\n\t\tif (!TIFFFieldSet(tif, FIELD_PLANARCONFIG))\n tif->tif_dir.td_planarconfig = PLANARCONFIG_CONTIG;\n\t} else {\n\t\tif (!TIFFFieldSet(tif, FIELD_PLANARCONFIG)) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Must set \\"PlanarConfiguration\\" before writing data");\n\t\t\treturn (0);\n\t\t}\n\t}\n\tif (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif)) {\n\t\ttif->tif_dir.td_nstrips = 0;\n\t\tTIFFErrorExt(tif->tif_clientdata, module, "No space for %s arrays",\n\t\t isTiled(tif) ? "tile" : "strip");\n\t\treturn (0);\n\t}\n\tif (isTiled(tif))\n\t{\n\t\ttif->tif_tilesize = TIFFTileSize(tif);\n\t\tif (tif->tif_tilesize == 0)\n\t\t\treturn (0);\n\t}\n\telse\n\t\ttif->tif_tilesize = (tmsize_t)(-1);\n\ttif->tif_scanlinesize = TIFFScanlineSize(tif);\n\tif (tif->tif_scanlinesize == 0)\n\t\treturn (0);\n\ttif->tif_flags |= TIFF_BEENWRITING;\n\treturn (1);\n}', 'int\nTIFFSetupStrips(TIFF* tif)\n{\n\tTIFFDirectory* td = &tif->tif_dir;\n\tif (isTiled(tif))\n\t\ttd->td_stripsperimage =\n\t\t isUnspecified(tif, FIELD_TILEDIMENSIONS) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfTiles(tif);\n\telse\n\t\ttd->td_stripsperimage =\n\t\t isUnspecified(tif, FIELD_ROWSPERSTRIP) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfStrips(tif);\n\ttd->td_nstrips = td->td_stripsperimage;\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\ttd->td_stripsperimage /= td->td_samplesperpixel;\n\ttd->td_stripoffset_p = (uint64 *)\n _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),\n "for \\"StripOffsets\\" array");\n\ttd->td_stripbytecount_p = (uint64 *)\n _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),\n "for \\"StripByteCounts\\" array");\n\tif (td->td_stripoffset_p == NULL || td->td_stripbytecount_p == NULL)\n\t\treturn (0);\n\t_TIFFmemset(td->td_stripoffset_p, 0, td->td_nstrips*sizeof (uint64));\n\t_TIFFmemset(td->td_stripbytecount_p, 0, td->td_nstrips*sizeof (uint64));\n\tTIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);\n\tTIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);\n\treturn (1);\n}', 'uint32\nTIFFNumberOfTiles(TIFF* tif)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint32 dx = td->td_tilewidth;\n\tuint32 dy = td->td_tilelength;\n\tuint32 dz = td->td_tiledepth;\n\tuint32 ntiles;\n\tif (dx == (uint32) -1)\n\t\tdx = td->td_imagewidth;\n\tif (dy == (uint32) -1)\n\t\tdy = td->td_imagelength;\n\tif (dz == (uint32) -1)\n\t\tdz = td->td_imagedepth;\n\tntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :\n\t _TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),\n\t TIFFhowmany_32(td->td_imagelength, dy),\n\t "TIFFNumberOfTiles"),\n\t TIFFhowmany_32(td->td_imagedepth, dz), "TIFFNumberOfTiles");\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\tntiles = _TIFFMultiply32(tif, ntiles, td->td_samplesperpixel,\n\t\t "TIFFNumberOfTiles");\n\treturn (ntiles);\n}'] |
15,658 | 0 | https://github.com/openssl/openssl/blob/507db4c5313288d55eeb8434b0111201ba363b28/apps/s_server.c/#L638 | static int cert_status_cb(SSL *s, void *arg)
{
tlsextstatusctx *srctx = arg;
char *host = NULL, *port = NULL, *path = NULL;
int use_ssl;
unsigned char *rspder = NULL;
int rspderlen;
STACK_OF(OPENSSL_STRING) *aia = NULL;
X509 *x = NULL;
X509_STORE_CTX inctx;
X509_OBJECT obj;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
OCSP_CERTID *id = NULL;
STACK_OF(X509_EXTENSION) *exts;
int ret = SSL_TLSEXT_ERR_NOACK;
int i;
if (srctx->verbose)
BIO_puts(bio_err, "cert_status: callback called\n");
x = SSL_get_certificate(s);
aia = X509_get1_ocsp(x);
if (aia) {
if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
&host, &port, &path, &use_ssl)) {
BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
goto err;
}
if (srctx->verbose)
BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
sk_OPENSSL_STRING_value(aia, 0));
} else {
if (!srctx->host) {
BIO_puts(bio_err,
"cert_status: no AIA and no default responder URL\n");
goto done;
}
host = srctx->host;
path = srctx->path;
port = srctx->port;
use_ssl = srctx->use_ssl;
}
if (!X509_STORE_CTX_init(&inctx,
SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
NULL, NULL))
goto err;
if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
X509_get_issuer_name(x), &obj) <= 0) {
BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
X509_STORE_CTX_cleanup(&inctx);
goto done;
}
req = OCSP_REQUEST_new();
if (req == NULL)
goto err;
id = OCSP_cert_to_id(NULL, x, obj.data.x509);
X509_free(obj.data.x509);
X509_STORE_CTX_cleanup(&inctx);
if (!id)
goto err;
if (!OCSP_request_add0_id(req, id))
goto err;
id = NULL;
SSL_get_tlsext_status_exts(s, &exts);
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
if (!OCSP_REQUEST_add_ext(req, ext, -1))
goto err;
}
resp = process_responder(req, host, path, port, use_ssl, NULL,
srctx->timeout);
if (!resp) {
BIO_puts(bio_err, "cert_status: error querying responder\n");
goto done;
}
rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
if (rspderlen <= 0)
goto err;
SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
if (srctx->verbose) {
BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
OCSP_RESPONSE_print(bio_err, resp, 2);
}
ret = SSL_TLSEXT_ERR_OK;
done:
if (ret != SSL_TLSEXT_ERR_OK)
ERR_print_errors(bio_err);
if (aia) {
OPENSSL_free(host);
OPENSSL_free(path);
OPENSSL_free(port);
X509_email_free(aia);
}
OCSP_CERTID_free(id);
OCSP_REQUEST_free(req);
OCSP_RESPONSE_free(resp);
return ret;
err:
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
goto done;
} | ['static int cert_status_cb(SSL *s, void *arg)\n{\n tlsextstatusctx *srctx = arg;\n char *host = NULL, *port = NULL, *path = NULL;\n int use_ssl;\n unsigned char *rspder = NULL;\n int rspderlen;\n STACK_OF(OPENSSL_STRING) *aia = NULL;\n X509 *x = NULL;\n X509_STORE_CTX inctx;\n X509_OBJECT obj;\n OCSP_REQUEST *req = NULL;\n OCSP_RESPONSE *resp = NULL;\n OCSP_CERTID *id = NULL;\n STACK_OF(X509_EXTENSION) *exts;\n int ret = SSL_TLSEXT_ERR_NOACK;\n int i;\n if (srctx->verbose)\n BIO_puts(bio_err, "cert_status: callback called\\n");\n x = SSL_get_certificate(s);\n aia = X509_get1_ocsp(x);\n if (aia) {\n if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),\n &host, &port, &path, &use_ssl)) {\n BIO_puts(bio_err, "cert_status: can\'t parse AIA URL\\n");\n goto err;\n }\n if (srctx->verbose)\n BIO_printf(bio_err, "cert_status: AIA URL: %s\\n",\n sk_OPENSSL_STRING_value(aia, 0));\n } else {\n if (!srctx->host) {\n BIO_puts(bio_err,\n "cert_status: no AIA and no default responder URL\\n");\n goto done;\n }\n host = srctx->host;\n path = srctx->path;\n port = srctx->port;\n use_ssl = srctx->use_ssl;\n }\n if (!X509_STORE_CTX_init(&inctx,\n SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),\n NULL, NULL))\n goto err;\n if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,\n X509_get_issuer_name(x), &obj) <= 0) {\n BIO_puts(bio_err, "cert_status: Can\'t retrieve issuer certificate.\\n");\n X509_STORE_CTX_cleanup(&inctx);\n goto done;\n }\n req = OCSP_REQUEST_new();\n if (req == NULL)\n goto err;\n id = OCSP_cert_to_id(NULL, x, obj.data.x509);\n X509_free(obj.data.x509);\n X509_STORE_CTX_cleanup(&inctx);\n if (!id)\n goto err;\n if (!OCSP_request_add0_id(req, id))\n goto err;\n id = NULL;\n SSL_get_tlsext_status_exts(s, &exts);\n for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {\n X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);\n if (!OCSP_REQUEST_add_ext(req, ext, -1))\n goto err;\n }\n resp = process_responder(req, host, path, port, use_ssl, NULL,\n srctx->timeout);\n if (!resp) {\n BIO_puts(bio_err, "cert_status: error querying responder\\n");\n goto done;\n }\n rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);\n if (rspderlen <= 0)\n goto err;\n SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);\n if (srctx->verbose) {\n BIO_puts(bio_err, "cert_status: ocsp response sent:\\n");\n OCSP_RESPONSE_print(bio_err, resp, 2);\n }\n ret = SSL_TLSEXT_ERR_OK;\n done:\n if (ret != SSL_TLSEXT_ERR_OK)\n ERR_print_errors(bio_err);\n if (aia) {\n OPENSSL_free(host);\n OPENSSL_free(path);\n OPENSSL_free(port);\n X509_email_free(aia);\n }\n OCSP_CERTID_free(id);\n OCSP_REQUEST_free(req);\n OCSP_RESPONSE_free(resp);\n return ret;\n err:\n ret = SSL_TLSEXT_ERR_ALERT_FATAL;\n goto done;\n}', 'int BIO_puts(BIO *b, const char *in)\n{\n int i;\n long (*cb) (BIO *, int, const char *, int, long, long);\n if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) {\n BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD);\n return (-2);\n }\n cb = b->callback;\n if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0))\n return (i);\n if (!b->init) {\n BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED);\n return (-2);\n }\n i = b->method->bputs(b, in);\n if (i > 0)\n b->num_write += (uint64_t)i;\n if (cb != NULL)\n i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i);\n return (i);\n}', 'X509 *SSL_get_certificate(const SSL *s)\n{\n if (s->cert != NULL)\n return (s->cert->key->x509);\n else\n return (NULL);\n}'] |
15,659 | 0 | https://github.com/libav/libav/blob/e4e30256f87f177decf59b59e923d05ef64147df/avconv.c/#L3707 | static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
{
int idx;
char *p;
char idx_str[16];
av_strlcpy(idx_str, arg, sizeof(idx_str));
p = strchr(idx_str, ':');
if (!p) {
av_log(NULL, AV_LOG_FATAL,
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
arg, opt);
exit_program(1);
}
*p++ = '\0';
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
return 0;
} | ['static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)\n{\n int idx;\n char *p;\n char idx_str[16];\n av_strlcpy(idx_str, arg, sizeof(idx_str));\n p = strchr(idx_str, \':\');\n if (!p) {\n av_log(NULL, AV_LOG_FATAL,\n "Invalid value \'%s\' for option \'%s\', required syntax is \'index:value\'\\n",\n arg, opt);\n exit_program(1);\n }\n *p++ = \'\\0\';\n idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);\n o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);\n o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);\n return 0;\n}', 'size_t av_strlcpy(char *dst, const char *src, size_t size)\n{\n size_t len = 0;\n while (++len < size && *src)\n *dst++ = *src++;\n if (len <= size)\n *dst = 0;\n return len + strlen(src) - 1;\n}'] |
15,660 | 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 decode_header_trees(SmackVContext *smk) {\n BitstreamContext bc;\n int mmap_size, mclr_size, full_size, type_size;\n mmap_size = AV_RL32(smk->avctx->extradata);\n mclr_size = AV_RL32(smk->avctx->extradata + 4);\n full_size = AV_RL32(smk->avctx->extradata + 8);\n type_size = AV_RL32(smk->avctx->extradata + 12);\n bitstream_init(&bc, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8);\n if (!bitstream_read_bit(&bc)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\\n");\n smk->mmap_tbl = av_malloc(sizeof(int) * 2);\n if (!smk->mmap_tbl)\n return AVERROR(ENOMEM);\n smk->mmap_tbl[0] = 0;\n smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &bc, &smk->mmap_tbl, smk->mmap_last, mmap_size))\n return -1;\n }\n if (!bitstream_read_bit(&bc)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\\n");\n smk->mclr_tbl = av_malloc(sizeof(int) * 2);\n if (!smk->mclr_tbl)\n return AVERROR(ENOMEM);\n smk->mclr_tbl[0] = 0;\n smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &bc, &smk->mclr_tbl, smk->mclr_last, mclr_size))\n return -1;\n }\n if (!bitstream_read_bit(&bc)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\\n");\n smk->full_tbl = av_malloc(sizeof(int) * 2);\n if (!smk->full_tbl)\n return AVERROR(ENOMEM);\n smk->full_tbl[0] = 0;\n smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &bc, &smk->full_tbl, smk->full_last, full_size))\n return -1;\n }\n if (!bitstream_read_bit(&bc)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\\n");\n smk->type_tbl = av_malloc(sizeof(int) * 2);\n if (!smk->type_tbl)\n return AVERROR(ENOMEM);\n smk->type_tbl[0] = 0;\n smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1;\n } else {\n if (smacker_decode_header_tree(smk, &bc, &smk->type_tbl, smk->type_last, type_size))\n return -1;\n }\n return 0;\n}', 'static inline int bitstream_init(BitstreamContext *bc, const uint8_t *buffer,\n unsigned bit_size)\n{\n unsigned buffer_size;\n if (bit_size > INT_MAX - 7 || !buffer) {\n buffer =\n bc->buffer =\n bc->ptr = NULL;\n bc->bits_left = 0;\n return AVERROR_INVALIDDATA;\n }\n buffer_size = (bit_size + 7) >> 3;\n bc->buffer = buffer;\n bc->buffer_end = buffer + buffer_size;\n bc->ptr = bc->buffer;\n bc->size_in_bits = bit_size;\n bc->bits_left = 0;\n bc->bits = 0;\n refill_64(bc);\n return 0;\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n if (!bc->bits_left)\n refill_64(bc);\n return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
15,661 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L260 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int file_square(STANZA *s)\n{\n BIGNUM *a = NULL, *square = NULL, *zero = NULL, *ret = NULL;\n BIGNUM *remainder = NULL, *tmp = NULL;\n int st = 0;\n if (!TEST_ptr(a = getBN(s, "A"))\n || !TEST_ptr(square = getBN(s, "Square"))\n || !TEST_ptr(zero = BN_new())\n || !TEST_ptr(ret = BN_new())\n || !TEST_ptr(remainder = BN_new()))\n goto err;\n BN_zero(zero);\n if (!TEST_true(BN_sqr(ret, a, ctx))\n || !equalBN("A^2", square, ret)\n || !TEST_true(BN_mul(ret, a, a, ctx))\n || !equalBN("A * A", square, ret)\n || !TEST_true(BN_div(ret, remainder, square, a, ctx))\n || !equalBN("Square / A", a, ret)\n || !equalBN("Square % A", zero, remainder))\n goto err;\n#if HAVE_BN_SQRT\n BN_set_negative(a, 0);\n if (!TEST_true(BN_sqrt(ret, square, ctx))\n || !equalBN("sqrt(Square)", a, ret))\n goto err;\n if (!TEST_BN_eq_zero(square)) {\n if (!TEST_ptr(tmp = BN_new())\n || !TEST_true(BN_copy(tmp, square)))\n goto err;\n BN_set_negative(tmp, 1);\n if (!TEST_int_eq(BN_sqrt(ret, tmp, ctx), 0))\n goto err;\n ERR_clear_error();\n BN_set_negative(tmp, 0);\n if (BN_add(tmp, tmp, BN_value_one()))\n goto err;\n if (!TEST_int_eq(BN_sqrt(ret, tmp, ctx)))\n goto err;\n ERR_clear_error();\n }\n#endif\n st = 1;\nerr:\n BN_free(a);\n BN_free(square);\n BN_free(zero);\n BN_free(ret);\n BN_free(remainder);\n BN_free(tmp);\n return st;\n}', 'static BIGNUM *getBN(STANZA *s, const char *attribute)\n{\n const char *hex;\n BIGNUM *ret = NULL;\n if ((hex = findattr(s, attribute)) == NULL) {\n TEST_error("%s:%d: Can\'t find %s", s->test_file, s->start, attribute);\n return NULL;\n }\n if (parseBN(&ret, hex) != (int)strlen(hex)) {\n TEST_error("Could not decode \'%s\'", hex);\n return NULL;\n }\n return ret;\n}', 'static int parseBN(BIGNUM **out, const char *in)\n{\n *out = NULL;\n return BN_hex2bn(out, in);\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}", 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
15,662 | 0 | https://github.com/openssl/openssl/blob/a68d8c7b77a3d46d591b89cfd0ecd2a2242e4613/crypto/async/async.c/#L370 | int ASYNC_init_thread(size_t max_size, size_t init_size)
{
async_pool *pool;
size_t curr_size = 0;
if (init_size > max_size) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);
return 0;
}
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL)) {
return 0;
}
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC)) {
return 0;
}
pool = OPENSSL_zalloc(sizeof *pool);
if (pool == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
return 0;
}
pool->jobs = sk_ASYNC_JOB_new_null();
if (pool->jobs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(pool);
return 0;
}
pool->max_size = max_size;
while (init_size--) {
ASYNC_JOB *job;
job = async_job_new();
if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {
async_job_free(job);
break;
}
job->funcargs = NULL;
sk_ASYNC_JOB_push(pool->jobs, job);
curr_size++;
}
pool->curr_size = curr_size;
if (!CRYPTO_THREAD_set_local(&poolkey, pool)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);
goto err;
}
return 1;
err:
async_free_pool_internal(pool);
return 0;
} | ['int ASYNC_init_thread(size_t max_size, size_t init_size)\n{\n async_pool *pool;\n size_t curr_size = 0;\n if (init_size > max_size) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);\n return 0;\n }\n if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL)) {\n return 0;\n }\n if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC)) {\n return 0;\n }\n pool = OPENSSL_zalloc(sizeof *pool);\n if (pool == NULL) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n pool->jobs = sk_ASYNC_JOB_new_null();\n if (pool->jobs == NULL) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(pool);\n return 0;\n }\n pool->max_size = max_size;\n while (init_size--) {\n ASYNC_JOB *job;\n job = async_job_new();\n if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {\n async_job_free(job);\n break;\n }\n job->funcargs = NULL;\n sk_ASYNC_JOB_push(pool->jobs, job);\n curr_size++;\n }\n pool->curr_size = curr_size;\n if (!CRYPTO_THREAD_set_local(&poolkey, pool)) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);\n goto err;\n }\n return 1;\nerr:\n async_free_pool_internal(pool);\n return 0;\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}', 'DEFINE_STACK_OF(ASYNC_JOB)', 'OPENSSL_STACK *OPENSSL_sk_new_null(void)\n{\n return OPENSSL_sk_new((OPENSSL_sk_compfunc)NULL);\n}', 'int async_fibre_makecontext(async_fibre *fibre)\n{\n fibre->env_init = 0;\n if (getcontext(&fibre->fibre) == 0) {\n fibre->fibre.uc_stack.ss_sp = OPENSSL_malloc(STACKSIZE);\n if (fibre->fibre.uc_stack.ss_sp != NULL) {\n fibre->fibre.uc_stack.ss_size = STACKSIZE;\n fibre->fibre.uc_link = NULL;\n makecontext(&fibre->fibre, async_start_func, 0);\n return 1;\n }\n } else {\n fibre->fibre.uc_stack.ss_sp = NULL;\n }\n return 0;\n}', 'int OPENSSL_sk_push(OPENSSL_STACK *st, const void *data)\n{\n return (OPENSSL_sk_insert(st, data, st->num));\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}'] |
15,663 | 0 | https://github.com/libav/libav/blob/ab492ca2ab105aeb24d955f3f03756bdb3139ee1/libavcodec/mpeg4videodec.c/#L1029 | static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, int intra, int rvlc)
{
int level, i, last, run;
int dc_pred_dir;
RLTable * rl;
RL_VLC_ELEM * rl_vlc;
const uint8_t * scan_table;
int qmul, qadd;
if(intra) {
if(s->use_intra_dc_vlc){
if(s->partitioned_frame){
level = s->dc_val[0][ s->block_index[n] ];
if(n<4) level= FASTDIV((level + (s->y_dc_scale>>1)), s->y_dc_scale);
else level= FASTDIV((level + (s->c_dc_scale>>1)), s->c_dc_scale);
dc_pred_dir= (s->pred_dir_table[s->mb_x + s->mb_y*s->mb_stride]<<n)&32;
}else{
level = mpeg4_decode_dc(s, n, &dc_pred_dir);
if (level < 0)
return -1;
}
block[0] = level;
i = 0;
}else{
i = -1;
ff_mpeg4_pred_dc(s, n, 0, &dc_pred_dir, 0);
}
if (!coded)
goto not_coded;
if(rvlc){
rl = &ff_rvlc_rl_intra;
rl_vlc = ff_rvlc_rl_intra.rl_vlc[0];
}else{
rl = &ff_mpeg4_rl_intra;
rl_vlc = ff_mpeg4_rl_intra.rl_vlc[0];
}
if (s->ac_pred) {
if (dc_pred_dir == 0)
scan_table = s->intra_v_scantable.permutated;
else
scan_table = s->intra_h_scantable.permutated;
} else {
scan_table = s->intra_scantable.permutated;
}
qmul=1;
qadd=0;
} else {
i = -1;
if (!coded) {
s->block_last_index[n] = i;
return 0;
}
if(rvlc) rl = &ff_rvlc_rl_inter;
else rl = &ff_h263_rl_inter;
scan_table = s->intra_scantable.permutated;
if(s->mpeg_quant){
qmul=1;
qadd=0;
if(rvlc){
rl_vlc = ff_rvlc_rl_inter.rl_vlc[0];
}else{
rl_vlc = ff_h263_rl_inter.rl_vlc[0];
}
}else{
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
if(rvlc){
rl_vlc = ff_rvlc_rl_inter.rl_vlc[s->qscale];
}else{
rl_vlc = ff_h263_rl_inter.rl_vlc[s->qscale];
}
}
}
{
OPEN_READER(re, &s->gb);
for(;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 0);
if (level==0) {
if(rvlc){
if(SHOW_UBITS(re, &s->gb, 1)==0){
av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in rvlc esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
run= SHOW_UBITS(re, &s->gb, 6);
SKIP_COUNTER(re, &s->gb, 1+1+6);
UPDATE_CACHE(re, &s->gb);
if(SHOW_UBITS(re, &s->gb, 1)==0){
av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in rvlc esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
level= SHOW_UBITS(re, &s->gb, 11); SKIP_CACHE(re, &s->gb, 11);
if(SHOW_UBITS(re, &s->gb, 5)!=0x10){
av_log(s->avctx, AV_LOG_ERROR, "reverse esc missing\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 5);
level= level * qmul + qadd;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
SKIP_COUNTER(re, &s->gb, 1+11+5+1);
i+= run + 1;
if(last) i+=192;
}else{
int cache;
cache= GET_CACHE(re, &s->gb);
if(IS_3IV1)
cache ^= 0xC0000000;
if (cache&0x80000000) {
if (cache&0x40000000) {
SKIP_CACHE(re, &s->gb, 2);
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
run= SHOW_UBITS(re, &s->gb, 6);
SKIP_COUNTER(re, &s->gb, 2+1+6);
UPDATE_CACHE(re, &s->gb);
if(IS_3IV1){
level= SHOW_SBITS(re, &s->gb, 12); LAST_SKIP_BITS(re, &s->gb, 12);
}else{
if(SHOW_UBITS(re, &s->gb, 1)==0){
av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in 3. esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
level= SHOW_SBITS(re, &s->gb, 12); SKIP_CACHE(re, &s->gb, 12);
if(SHOW_UBITS(re, &s->gb, 1)==0){
av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in 3. esc\n");
return -1;
}
SKIP_COUNTER(re, &s->gb, 1+12+1);
}
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
if((unsigned)(level + 2048) > 4095){
if(s->err_recognition & AV_EF_BITSTREAM){
if(level > 2560 || level<-2560){
av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
return -1;
}
}
level= level<0 ? -2048 : 2047;
}
i+= run + 1;
if(last) i+=192;
} else {
SKIP_BITS(re, &s->gb, 2);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run + rl->max_run[run>>7][level/qmul] +1;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
}
} else {
SKIP_BITS(re, &s->gb, 1);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run;
level = level + rl->max_level[run>>7][(run-1)&63] * qmul;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
}
}
} else {
i+= run;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
}
if (i > 62){
i-= 192;
if(i&(~63)){
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
block[scan_table[i]] = level;
break;
}
block[scan_table[i]] = level;
}
CLOSE_READER(re, &s->gb);
}
not_coded:
if (intra) {
if(!s->use_intra_dc_vlc){
block[0] = ff_mpeg4_pred_dc(s, n, block[0], &dc_pred_dir, 0);
i -= i>>31;
}
ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63;
}
}
s->block_last_index[n] = i;
return 0;
} | ['static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,\n int n, int coded, int intra, int rvlc)\n{\n int level, i, last, run;\n int dc_pred_dir;\n RLTable * rl;\n RL_VLC_ELEM * rl_vlc;\n const uint8_t * scan_table;\n int qmul, qadd;\n if(intra) {\n if(s->use_intra_dc_vlc){\n if(s->partitioned_frame){\n level = s->dc_val[0][ s->block_index[n] ];\n if(n<4) level= FASTDIV((level + (s->y_dc_scale>>1)), s->y_dc_scale);\n else level= FASTDIV((level + (s->c_dc_scale>>1)), s->c_dc_scale);\n dc_pred_dir= (s->pred_dir_table[s->mb_x + s->mb_y*s->mb_stride]<<n)&32;\n }else{\n level = mpeg4_decode_dc(s, n, &dc_pred_dir);\n if (level < 0)\n return -1;\n }\n block[0] = level;\n i = 0;\n }else{\n i = -1;\n ff_mpeg4_pred_dc(s, n, 0, &dc_pred_dir, 0);\n }\n if (!coded)\n goto not_coded;\n if(rvlc){\n rl = &ff_rvlc_rl_intra;\n rl_vlc = ff_rvlc_rl_intra.rl_vlc[0];\n }else{\n rl = &ff_mpeg4_rl_intra;\n rl_vlc = ff_mpeg4_rl_intra.rl_vlc[0];\n }\n if (s->ac_pred) {\n if (dc_pred_dir == 0)\n scan_table = s->intra_v_scantable.permutated;\n else\n scan_table = s->intra_h_scantable.permutated;\n } else {\n scan_table = s->intra_scantable.permutated;\n }\n qmul=1;\n qadd=0;\n } else {\n i = -1;\n if (!coded) {\n s->block_last_index[n] = i;\n return 0;\n }\n if(rvlc) rl = &ff_rvlc_rl_inter;\n else rl = &ff_h263_rl_inter;\n scan_table = s->intra_scantable.permutated;\n if(s->mpeg_quant){\n qmul=1;\n qadd=0;\n if(rvlc){\n rl_vlc = ff_rvlc_rl_inter.rl_vlc[0];\n }else{\n rl_vlc = ff_h263_rl_inter.rl_vlc[0];\n }\n }else{\n qmul = s->qscale << 1;\n qadd = (s->qscale - 1) | 1;\n if(rvlc){\n rl_vlc = ff_rvlc_rl_inter.rl_vlc[s->qscale];\n }else{\n rl_vlc = ff_h263_rl_inter.rl_vlc[s->qscale];\n }\n }\n }\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_vlc, TEX_VLC_BITS, 2, 0);\n if (level==0) {\n if(rvlc){\n if(SHOW_UBITS(re, &s->gb, 1)==0){\n av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in rvlc esc\\n");\n return -1;\n }; SKIP_CACHE(re, &s->gb, 1);\n last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);\n run= SHOW_UBITS(re, &s->gb, 6);\n SKIP_COUNTER(re, &s->gb, 1+1+6);\n UPDATE_CACHE(re, &s->gb);\n if(SHOW_UBITS(re, &s->gb, 1)==0){\n av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in rvlc esc\\n");\n return -1;\n }; SKIP_CACHE(re, &s->gb, 1);\n level= SHOW_UBITS(re, &s->gb, 11); SKIP_CACHE(re, &s->gb, 11);\n if(SHOW_UBITS(re, &s->gb, 5)!=0x10){\n av_log(s->avctx, AV_LOG_ERROR, "reverse esc missing\\n");\n return -1;\n }; SKIP_CACHE(re, &s->gb, 5);\n level= level * qmul + qadd;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n SKIP_COUNTER(re, &s->gb, 1+11+5+1);\n i+= run + 1;\n if(last) i+=192;\n }else{\n int cache;\n cache= GET_CACHE(re, &s->gb);\n if(IS_3IV1)\n cache ^= 0xC0000000;\n if (cache&0x80000000) {\n if (cache&0x40000000) {\n SKIP_CACHE(re, &s->gb, 2);\n last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);\n run= SHOW_UBITS(re, &s->gb, 6);\n SKIP_COUNTER(re, &s->gb, 2+1+6);\n UPDATE_CACHE(re, &s->gb);\n if(IS_3IV1){\n level= SHOW_SBITS(re, &s->gb, 12); LAST_SKIP_BITS(re, &s->gb, 12);\n }else{\n if(SHOW_UBITS(re, &s->gb, 1)==0){\n av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in 3. esc\\n");\n return -1;\n }; SKIP_CACHE(re, &s->gb, 1);\n level= SHOW_SBITS(re, &s->gb, 12); SKIP_CACHE(re, &s->gb, 12);\n if(SHOW_UBITS(re, &s->gb, 1)==0){\n av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in 3. esc\\n");\n return -1;\n }\n SKIP_COUNTER(re, &s->gb, 1+12+1);\n }\n if (level>0) level= level * qmul + qadd;\n else level= level * qmul - qadd;\n if((unsigned)(level + 2048) > 4095){\n if(s->err_recognition & AV_EF_BITSTREAM){\n if(level > 2560 || level<-2560){\n av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc, qp=%d\\n", s->qscale);\n return -1;\n }\n }\n level= level<0 ? -2048 : 2047;\n }\n i+= run + 1;\n if(last) i+=192;\n } else {\n SKIP_BITS(re, &s->gb, 2);\n GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);\n i+= run + rl->max_run[run>>7][level/qmul] +1;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n }\n } else {\n SKIP_BITS(re, &s->gb, 1);\n GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);\n i+= run;\n level = level + rl->max_level[run>>7][(run-1)&63] * qmul;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n }\n }\n } else {\n i+= run;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n }\n if (i > 62){\n i-= 192;\n if(i&(~63)){\n av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n block[scan_table[i]] = level;\n break;\n }\n block[scan_table[i]] = level;\n }\n CLOSE_READER(re, &s->gb);\n }\n not_coded:\n if (intra) {\n if(!s->use_intra_dc_vlc){\n block[0] = ff_mpeg4_pred_dc(s, n, block[0], &dc_pred_dir, 0);\n i -= i>>31;\n }\n ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);\n if (s->ac_pred) {\n i = 63;\n }\n }\n s->block_last_index[n] = i;\n return 0;\n}'] |
15,664 | 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 rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,\n BN_GENCB *cb)\n{\n BIGNUM *r0 = NULL, *r1 = NULL, *r2 = NULL, *r3 = NULL, *tmp;\n BIGNUM *local_r0, *local_d, *local_p;\n BIGNUM *pr0, *d, *p;\n int bitsp, bitsq, ok = -1, n = 0;\n BN_CTX *ctx = NULL;\n local_r0 = BN_new();\n local_d = BN_new();\n local_p = BN_new();\n if (!local_r0 || !local_d || !local_p)\n goto err;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n BN_CTX_start(ctx);\n r0 = BN_CTX_get(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n r3 = BN_CTX_get(ctx);\n if (r3 == NULL)\n goto err;\n bitsp = (bits + 1) / 2;\n bitsq = bits - bitsp;\n if (!rsa->n && ((rsa->n = BN_new()) == NULL))\n goto err;\n if (!rsa->d && ((rsa->d = BN_new()) == NULL))\n goto err;\n if (!rsa->e && ((rsa->e = BN_new()) == NULL))\n goto err;\n if (!rsa->p && ((rsa->p = BN_new()) == NULL))\n goto err;\n if (!rsa->q && ((rsa->q = BN_new()) == NULL))\n goto err;\n if (!rsa->dmp1 && ((rsa->dmp1 = BN_new()) == NULL))\n goto err;\n if (!rsa->dmq1 && ((rsa->dmq1 = BN_new()) == NULL))\n goto err;\n if (!rsa->iqmp && ((rsa->iqmp = BN_new()) == NULL))\n goto err;\n BN_copy(rsa->e, e_value);\n for (;;) {\n if (!BN_generate_prime_ex(rsa->p, bitsp, 0, NULL, NULL, cb))\n goto err;\n if (!BN_sub(r2, rsa->p, BN_value_one()))\n goto err;\n if (!BN_gcd(r1, r2, rsa->e, ctx))\n goto err;\n if (BN_is_one(r1))\n break;\n if (!BN_GENCB_call(cb, 2, n++))\n goto err;\n }\n if (!BN_GENCB_call(cb, 3, 0))\n goto err;\n for (;;) {\n unsigned int degenerate = 0;\n do {\n if (!BN_generate_prime_ex(rsa->q, bitsq, 0, NULL, NULL, cb))\n goto err;\n } while ((BN_cmp(rsa->p, rsa->q) == 0) && (++degenerate < 3));\n if (degenerate == 3) {\n ok = 0;\n RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, RSA_R_KEY_SIZE_TOO_SMALL);\n goto err;\n }\n if (!BN_sub(r2, rsa->q, BN_value_one()))\n goto err;\n if (!BN_gcd(r1, r2, rsa->e, ctx))\n goto err;\n if (BN_is_one(r1))\n break;\n if (!BN_GENCB_call(cb, 2, n++))\n goto err;\n }\n if (!BN_GENCB_call(cb, 3, 1))\n goto err;\n if (BN_cmp(rsa->p, rsa->q) < 0) {\n tmp = rsa->p;\n rsa->p = rsa->q;\n rsa->q = tmp;\n }\n if (!BN_mul(rsa->n, rsa->p, rsa->q, ctx))\n goto err;\n if (!BN_sub(r1, rsa->p, BN_value_one()))\n goto err;\n if (!BN_sub(r2, rsa->q, BN_value_one()))\n goto err;\n if (!BN_mul(r0, r1, r2, ctx))\n goto err;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n pr0 = local_r0;\n BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);\n } else\n pr0 = r0;\n if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx))\n goto err;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n d = local_d;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n } else\n d = rsa->d;\n if (!BN_mod(rsa->dmp1, d, r1, ctx))\n goto err;\n if (!BN_mod(rsa->dmq1, d, r2, ctx))\n goto err;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n p = local_p;\n BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);\n } else\n p = rsa->p;\n if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx))\n goto err;\n ok = 1;\n err:\n if (local_r0)\n BN_free(local_r0);\n if (local_d)\n BN_free(local_d);\n if (local_p)\n BN_free(local_p);\n if (ok == -1) {\n RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, ERR_LIB_BN);\n ok = 0;\n }\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n }\n return ok;\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_gcd(BIGNUM *r, const BIGNUM *in_a, const BIGNUM *in_b, BN_CTX *ctx)\n{\n BIGNUM *a, *b, *t;\n int ret = 0;\n bn_check_top(in_a);\n bn_check_top(in_b);\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (a == NULL || b == NULL)\n goto err;\n if (BN_copy(a, in_a) == NULL)\n goto err;\n if (BN_copy(b, in_b) == NULL)\n goto err;\n a->neg = 0;\n b->neg = 0;\n if (BN_cmp(a, b) < 0) {\n t = a;\n a = b;\n b = t;\n }\n t = euclid(a, b);\n if (t == NULL)\n goto err;\n if (BN_copy(r, t) == NULL)\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\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}'] |
15,665 | 0 | https://github.com/libav/libav/blob/f97cb4515626228620d7317191c4c32f14eb1a1b/libavcodec/error_resilience.c/#L531 | 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}'] |
15,666 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/cms/cms_pwri.c/#L266 | static int kek_unwrap_key(unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen,
EVP_CIPHER_CTX *ctx)
{
size_t blocklen = EVP_CIPHER_CTX_block_size(ctx);
unsigned char *tmp;
int outl, rv = 0;
if (inlen < 2 * blocklen) {
return 0;
}
if (inlen % blocklen) {
return 0;
}
tmp = OPENSSL_malloc(inlen);
if (tmp == NULL)
return 0;
if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl,
in + inlen - 2 * blocklen, blocklen * 2)
|| !EVP_DecryptUpdate(ctx, tmp, &outl,
tmp + inlen - blocklen, blocklen)
|| !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen)
|| !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL)
|| !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen))
goto err;
if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) {
goto err;
}
if (inlen < (size_t)(tmp[0] - 4)) {
goto err;
}
*outlen = (size_t)tmp[0];
memcpy(out, tmp + 4, *outlen);
rv = 1;
err:
OPENSSL_clear_free(tmp, inlen);
return rv;
} | ['int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert)\n{\n STACK_OF(CMS_RecipientInfo) *ris;\n CMS_RecipientInfo *ri;\n int i, r, ri_type;\n int debug = 0, match_ri = 0;\n ris = CMS_get0_RecipientInfos(cms);\n if (ris)\n debug = cms->d.envelopedData->encryptedContentInfo->debug;\n ri_type = cms_pkey_get_ri_type(pk);\n if (ri_type == CMS_RECIPINFO_NONE) {\n CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY,\n CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);\n return 0;\n }\n for (i = 0; i < sk_CMS_RecipientInfo_num(ris); i++) {\n ri = sk_CMS_RecipientInfo_value(ris, i);\n if (CMS_RecipientInfo_type(ri) != ri_type)\n continue;\n match_ri = 1;\n if (ri_type == CMS_RECIPINFO_AGREE) {\n r = cms_kari_set1_pkey(cms, ri, pk, cert);\n if (r > 0)\n return 1;\n if (r < 0)\n return 0;\n }\n else if (!cert || !CMS_RecipientInfo_ktri_cert_cmp(ri, cert)) {\n CMS_RecipientInfo_set0_pkey(ri, pk);\n r = CMS_RecipientInfo_decrypt(cms, ri);\n CMS_RecipientInfo_set0_pkey(ri, NULL);\n if (cert) {\n if (!debug) {\n ERR_clear_error();\n return 1;\n }\n if (r > 0)\n return 1;\n CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY, CMS_R_DECRYPT_ERROR);\n return 0;\n }\n else if (r > 0 && debug)\n return 1;\n }\n }\n if (match_ri && !cert && !debug) {\n ERR_clear_error();\n return 1;\n }\n CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY, CMS_R_NO_MATCHING_RECIPIENT);\n return 0;\n}', 'int CMS_RecipientInfo_ktri_cert_cmp(CMS_RecipientInfo *ri, X509 *cert)\n{\n if (ri->type != CMS_RECIPINFO_TRANS) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_CERT_CMP,\n CMS_R_NOT_KEY_TRANSPORT);\n return -2;\n }\n return cms_SignerIdentifier_cert_cmp(ri->d.ktri->rid, cert);\n}', 'int CMS_RecipientInfo_decrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri)\n{\n switch (ri->type) {\n case CMS_RECIPINFO_TRANS:\n return cms_RecipientInfo_ktri_decrypt(cms, ri);\n case CMS_RECIPINFO_KEK:\n return cms_RecipientInfo_kekri_decrypt(cms, ri);\n case CMS_RECIPINFO_PASS:\n return cms_RecipientInfo_pwri_crypt(cms, ri, 0);\n default:\n CMSerr(CMS_F_CMS_RECIPIENTINFO_DECRYPT,\n CMS_R_UNSUPPORTED_RECPIENTINFO_TYPE);\n return 0;\n }\n}', 'int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,\n int en_de)\n{\n CMS_EncryptedContentInfo *ec;\n CMS_PasswordRecipientInfo *pwri;\n int r = 0;\n X509_ALGOR *algtmp, *kekalg = NULL;\n EVP_CIPHER_CTX kekctx;\n const EVP_CIPHER *kekcipher;\n unsigned char *key = NULL;\n size_t keylen;\n ec = cms->d.envelopedData->encryptedContentInfo;\n pwri = ri->d.pwri;\n EVP_CIPHER_CTX_init(&kekctx);\n if (!pwri->pass) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_NO_PASSWORD);\n return 0;\n }\n algtmp = pwri->keyEncryptionAlgorithm;\n if (!algtmp || OBJ_obj2nid(algtmp->algorithm) != NID_id_alg_PWRI_KEK) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,\n CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM);\n return 0;\n }\n kekalg = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(X509_ALGOR),\n algtmp->parameter);\n if (kekalg == NULL) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,\n CMS_R_INVALID_KEY_ENCRYPTION_PARAMETER);\n return 0;\n }\n kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);\n if (!kekcipher) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_UNKNOWN_CIPHER);\n goto err;\n }\n if (!EVP_CipherInit_ex(&kekctx, kekcipher, NULL, NULL, NULL, en_de))\n goto err;\n EVP_CIPHER_CTX_set_padding(&kekctx, 0);\n if (EVP_CIPHER_asn1_to_param(&kekctx, kekalg->parameter) < 0) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,\n CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);\n goto err;\n }\n algtmp = pwri->keyDerivationAlgorithm;\n if (EVP_PBE_CipherInit(algtmp->algorithm,\n (char *)pwri->pass, pwri->passlen,\n algtmp->parameter, &kekctx, en_de) < 0) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_EVP_LIB);\n goto err;\n }\n if (en_de) {\n if (!kek_wrap_key(NULL, &keylen, ec->key, ec->keylen, &kekctx))\n goto err;\n key = OPENSSL_malloc(keylen);\n if (key == NULL)\n goto err;\n if (!kek_wrap_key(key, &keylen, ec->key, ec->keylen, &kekctx))\n goto err;\n pwri->encryptedKey->data = key;\n pwri->encryptedKey->length = keylen;\n } else {\n key = OPENSSL_malloc(pwri->encryptedKey->length);\n if (key == NULL) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!kek_unwrap_key(key, &keylen,\n pwri->encryptedKey->data,\n pwri->encryptedKey->length, &kekctx)) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_UNWRAP_FAILURE);\n goto err;\n }\n ec->key = key;\n ec->keylen = keylen;\n }\n r = 1;\n err:\n EVP_CIPHER_CTX_cleanup(&kekctx);\n if (!r)\n OPENSSL_free(key);\n X509_ALGOR_free(kekalg);\n return r;\n}', 'static int kek_unwrap_key(unsigned char *out, size_t *outlen,\n const unsigned char *in, size_t inlen,\n EVP_CIPHER_CTX *ctx)\n{\n size_t blocklen = EVP_CIPHER_CTX_block_size(ctx);\n unsigned char *tmp;\n int outl, rv = 0;\n if (inlen < 2 * blocklen) {\n return 0;\n }\n if (inlen % blocklen) {\n return 0;\n }\n tmp = OPENSSL_malloc(inlen);\n if (tmp == NULL)\n return 0;\n if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl,\n in + inlen - 2 * blocklen, blocklen * 2)\n || !EVP_DecryptUpdate(ctx, tmp, &outl,\n tmp + inlen - blocklen, blocklen)\n || !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen)\n || !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL)\n || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen))\n goto err;\n if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) {\n goto err;\n }\n if (inlen < (size_t)(tmp[0] - 4)) {\n goto err;\n }\n *outlen = (size_t)tmp[0];\n memcpy(out, tmp + 4, *outlen);\n rv = 1;\n err:\n OPENSSL_clear_free(tmp, inlen);\n return rv;\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}'] |
15,667 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_lib.c/#L352 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_malloc(words * sizeof(*a));
else
a = A = OPENSSL_malloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#ifdef PURIFY
memset(a, 0, sizeof(*a) * words);
#endif
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['static int ec_GF2m_montgomery_point_multiply(const EC_GROUP *group,\n EC_POINT *r,\n const BIGNUM *scalar,\n const EC_POINT *point,\n BN_CTX *ctx)\n{\n BIGNUM *x1, *x2, *z1, *z2;\n int ret = 0, i;\n BN_ULONG mask, word;\n if (r == point) {\n ECerr(EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY, EC_R_INVALID_ARGUMENT);\n return 0;\n }\n if ((scalar == NULL) || BN_is_zero(scalar) || (point == NULL) ||\n EC_POINT_is_at_infinity(group, point)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n if (!point->Z_is_one)\n return 0;\n BN_CTX_start(ctx);\n x1 = BN_CTX_get(ctx);\n z1 = BN_CTX_get(ctx);\n if (z1 == NULL)\n goto err;\n x2 = r->X;\n z2 = r->Y;\n bn_wexpand(x1, bn_get_top(group->field));\n bn_wexpand(z1, bn_get_top(group->field));\n bn_wexpand(x2, bn_get_top(group->field));\n bn_wexpand(z2, bn_get_top(group->field));\n if (!BN_GF2m_mod_arr(x1, point->X, group->poly))\n goto err;\n if (!BN_one(z1))\n goto err;\n if (!group->meth->field_sqr(group, z2, x1, ctx))\n goto err;\n if (!group->meth->field_sqr(group, x2, z2, ctx))\n goto err;\n if (!BN_GF2m_add(x2, x2, group->b))\n goto err;\n i = bn_get_top(scalar) - 1;\n mask = BN_TBIT;\n word = bn_get_words(scalar)[i];\n while (!(word & mask))\n mask >>= 1;\n mask >>= 1;\n if (!mask) {\n i--;\n mask = BN_TBIT;\n }\n for (; i >= 0; i--) {\n word = bn_get_words(scalar)[i];\n while (mask) {\n BN_consttime_swap(word & mask, x1, x2, bn_get_top(group->field));\n BN_consttime_swap(word & mask, z1, z2, bn_get_top(group->field));\n if (!gf2m_Madd(group, point->X, x2, z2, x1, z1, ctx))\n goto err;\n if (!gf2m_Mdouble(group, x1, z1, ctx))\n goto err;\n BN_consttime_swap(word & mask, x1, x2, bn_get_top(group->field));\n BN_consttime_swap(word & mask, z1, z2, bn_get_top(group->field));\n mask >>= 1;\n }\n mask = BN_TBIT;\n }\n i = gf2m_Mxy(group, point->X, point->Y, x1, z1, x2, z2, ctx);\n if (i == 0)\n goto err;\n else if (i == 1) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (!BN_one(r->Z))\n goto err;\n r->Z_is_one = 1;\n }\n BN_set_negative(r->X, 0);\n BN_set_negative(r->Y, 0);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
15,668 | 0 | https://github.com/libav/libav/blob/a158446b2842143a1ea0a284952571435c9ad3c4/ffmpeg.c/#L1361 | static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
int frame_size)
{
AVCodecContext *enc;
int frame_number;
double ti1, bitrate, avg_bitrate;
if (!vstats_file) {
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
av_exit(1);
}
}
enc = ost->st->codec;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
if (enc->flags&CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
ti1 = ost->sync_opts * av_q2d(enc->time_base);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
}
} | ['static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,\n int frame_size)\n{\n AVCodecContext *enc;\n int frame_number;\n double ti1, bitrate, avg_bitrate;\n if (!vstats_file) {\n vstats_file = fopen(vstats_filename, "w");\n if (!vstats_file) {\n perror("fopen");\n av_exit(1);\n }\n }\n enc = ost->st->codec;\n if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {\n frame_number = ost->frame_number;\n fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);\n if (enc->flags&CODEC_FLAG_PSNR)\n fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));\n fprintf(vstats_file,"f_size= %6d ", frame_size);\n ti1 = ost->sync_opts * av_q2d(enc->time_base);\n if (ti1 < 0.01)\n ti1 = 0.01;\n bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;\n avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;\n fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",\n (double)video_size / 1024, ti1, bitrate, avg_bitrate);\n fprintf(vstats_file,"type= %c\\n", av_get_pict_type_char(enc->coded_frame->pict_type));\n }\n}'] |
15,669 | 1 | https://github.com/openssl/openssl/blob/e4cf866322a4549c55153f9f135f9dadf4d3fc31/crypto/buffer/buf_str.c/#L98 | char *BUF_strndup(const char *str, size_t siz)
{
char *ret;
if (str == NULL)
return NULL;
siz = BUF_strnlen(str, siz);
if (siz >= INT_MAX)
return NULL;
ret = OPENSSL_malloc(siz + 1);
if (ret == NULL) {
BUFerr(BUF_F_BUF_STRNDUP, ERR_R_MALLOC_FAILURE);
return NULL;
}
memcpy(ret, str, siz);
ret[siz] = '\0';
return (ret);
} | ['static int def_load_bio(CONF *conf, BIO *in, long *line)\n{\n#define CONFBUFSIZE 512\n int bufnum = 0, i, ii;\n BUF_MEM *buff = NULL;\n char *s, *p, *end;\n int again;\n long eline = 0;\n char btmp[DECIMAL_SIZE(eline) + 1];\n CONF_VALUE *v = NULL, *tv;\n CONF_VALUE *sv = NULL;\n char *section = NULL, *buf;\n char *start, *psection, *pname;\n void *h = (void *)(conf->data);\n if ((buff = BUF_MEM_new()) == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);\n goto err;\n }\n section = BUF_strdup("default");\n if (section == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (_CONF_new_data(conf) == 0) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n sv = _CONF_new_section(conf, section);\n if (sv == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION);\n goto err;\n }\n bufnum = 0;\n again = 0;\n for (;;) {\n if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);\n goto err;\n }\n p = &(buff->data[bufnum]);\n *p = \'\\0\';\n BIO_gets(in, p, CONFBUFSIZE - 1);\n p[CONFBUFSIZE - 1] = \'\\0\';\n ii = i = strlen(p);\n if (i == 0 && !again)\n break;\n again = 0;\n while (i > 0) {\n if ((p[i - 1] != \'\\r\') && (p[i - 1] != \'\\n\'))\n break;\n else\n i--;\n }\n if (ii && i == ii)\n again = 1;\n else {\n p[i] = \'\\0\';\n eline++;\n }\n bufnum += i;\n v = NULL;\n if (bufnum >= 1) {\n p = &(buff->data[bufnum - 1]);\n if (IS_ESC(conf, p[0]) && ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) {\n bufnum--;\n again = 1;\n }\n }\n if (again)\n continue;\n bufnum = 0;\n buf = buff->data;\n clear_comments(conf, buf);\n s = eat_ws(conf, buf);\n if (IS_EOF(conf, *s))\n continue;\n if (*s == \'[\') {\n char *ss;\n s++;\n start = eat_ws(conf, s);\n ss = start;\n again:\n end = eat_alpha_numeric(conf, ss);\n p = eat_ws(conf, end);\n if (*p != \']\') {\n if (*p != \'\\0\' && ss != p) {\n ss = p;\n goto again;\n }\n CONFerr(CONF_F_DEF_LOAD_BIO,\n CONF_R_MISSING_CLOSE_SQUARE_BRACKET);\n goto err;\n }\n *end = \'\\0\';\n if (!str_copy(conf, NULL, §ion, start))\n goto err;\n if ((sv = _CONF_get_section(conf, section)) == NULL)\n sv = _CONF_new_section(conf, section);\n if (sv == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO,\n CONF_R_UNABLE_TO_CREATE_NEW_SECTION);\n goto err;\n }\n continue;\n } else {\n pname = s;\n psection = NULL;\n end = eat_alpha_numeric(conf, s);\n if ((end[0] == \':\') && (end[1] == \':\')) {\n *end = \'\\0\';\n end += 2;\n psection = pname;\n pname = end;\n end = eat_alpha_numeric(conf, end);\n }\n p = eat_ws(conf, end);\n if (*p != \'=\') {\n CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_EQUAL_SIGN);\n goto err;\n }\n *end = \'\\0\';\n p++;\n start = eat_ws(conf, p);\n while (!IS_EOF(conf, *p))\n p++;\n p--;\n while ((p != start) && (IS_WS(conf, *p)))\n p--;\n p++;\n *p = \'\\0\';\n if ((v = OPENSSL_malloc(sizeof(*v))) == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (psection == NULL)\n psection = section;\n v->name = OPENSSL_malloc(strlen(pname) + 1);\n v->value = NULL;\n if (v->name == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BUF_strlcpy(v->name, pname, strlen(pname) + 1);\n if (!str_copy(conf, psection, &(v->value), start))\n goto err;\n if (strcmp(psection, section) != 0) {\n if ((tv = _CONF_get_section(conf, psection))\n == NULL)\n tv = _CONF_new_section(conf, psection);\n if (tv == NULL) {\n CONFerr(CONF_F_DEF_LOAD_BIO,\n CONF_R_UNABLE_TO_CREATE_NEW_SECTION);\n goto err;\n }\n } else\n tv = sv;\n if (_CONF_add_string(conf, tv, v) == 0) {\n CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n v = NULL;\n }\n }\n BUF_MEM_free(buff);\n OPENSSL_free(section);\n return (1);\n err:\n BUF_MEM_free(buff);\n OPENSSL_free(section);\n if (line != NULL)\n *line = eline;\n BIO_snprintf(btmp, sizeof btmp, "%ld", eline);\n ERR_add_error_data(2, "line ", btmp);\n if (h != conf->data) {\n CONF_free(conf->data);\n conf->data = NULL;\n }\n if (v != NULL) {\n OPENSSL_free(v->name);\n OPENSSL_free(v->value);\n OPENSSL_free(v);\n }\n return (0);\n}', 'char *BUF_strdup(const char *str)\n{\n if (str == NULL)\n return NULL;\n return BUF_strndup(str, strlen(str));\n}', "char *BUF_strndup(const char *str, size_t siz)\n{\n char *ret;\n if (str == NULL)\n return NULL;\n siz = BUF_strnlen(str, siz);\n if (siz >= INT_MAX)\n return NULL;\n ret = OPENSSL_malloc(siz + 1);\n if (ret == NULL) {\n BUFerr(BUF_F_BUF_STRNDUP, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n memcpy(ret, str, siz);\n ret[siz] = '\\0';\n return (ret);\n}", "size_t BUF_strnlen(const char *str, size_t maxlen)\n{\n const char *p;\n for (p = str; maxlen-- != 0 && *p != '\\0'; ++p) ;\n return p - str;\n}"] |
15,670 | 0 | https://github.com/openssl/openssl/blob/37842dfaebcf28b4ca452c6abd93ebde1b4aa6dc/crypto/bn/bn_mul.c/#L657 | 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;
}
} | ['static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)\n{\n BIGNUM *r1, *m1, *vrfy, *r2, *m[RSA_MAX_PRIME_NUM - 2];\n int ret = 0, i, ex_primes = 0, smooth = 0;\n RSA_PRIME_INFO *pinfo;\n BN_CTX_start(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n m1 = BN_CTX_get(ctx);\n vrfy = BN_CTX_get(ctx);\n if (vrfy == NULL)\n goto err;\n if (rsa->version == RSA_ASN1_VERSION_MULTI\n && ((ex_primes = sk_RSA_PRIME_INFO_num(rsa->prime_infos)) <= 0\n || ex_primes > RSA_MAX_PRIME_NUM - 2))\n goto err;\n if (rsa->flags & RSA_FLAG_CACHE_PRIVATE) {\n BIGNUM *factor = BN_new();\n if (factor == NULL)\n goto err;\n if (!(BN_with_flags(factor, rsa->p, BN_FLG_CONSTTIME),\n BN_MONT_CTX_set_locked(&rsa->_method_mod_p, rsa->lock,\n factor, ctx))\n || !(BN_with_flags(factor, rsa->q, BN_FLG_CONSTTIME),\n BN_MONT_CTX_set_locked(&rsa->_method_mod_q, rsa->lock,\n factor, ctx))) {\n BN_free(factor);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(factor, pinfo->r, BN_FLG_CONSTTIME);\n if (!BN_MONT_CTX_set_locked(&pinfo->m, rsa->lock, factor, ctx)) {\n BN_free(factor);\n goto err;\n }\n }\n BN_free(factor);\n smooth = (ex_primes == 0)\n && (rsa->meth->bn_mod_exp == BN_mod_exp_mont)\n && (BN_num_bits(rsa->q) == BN_num_bits(rsa->p));\n }\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, rsa->lock,\n rsa->n, ctx))\n goto err;\n if (smooth) {\n if (\n !bn_from_mont_fixed_top(m1, I, rsa->_method_mod_q, ctx)\n || !bn_to_mont_fixed_top(m1, m1, rsa->_method_mod_q, ctx)\n || !BN_mod_exp_mont_consttime(m1, m1, rsa->dmq1, rsa->q, ctx,\n rsa->_method_mod_q)\n || !bn_from_mont_fixed_top(r1, I, rsa->_method_mod_p, ctx)\n || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx)\n || !BN_mod_exp_mont_consttime(r1, r1, rsa->dmp1, rsa->p, ctx,\n rsa->_method_mod_p)\n || !bn_mod_sub_fixed_top(r1, r1, m1, rsa->p)\n || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx)\n || !bn_mul_mont_fixed_top(r1, r1, rsa->iqmp, rsa->_method_mod_p,\n ctx)\n || !bn_mul_fixed_top(r0, r1, rsa->q, ctx)\n || !bn_mod_add_fixed_top(r0, r0, m1, rsa->n))\n goto err;\n goto tail;\n }\n {\n BIGNUM *c = BN_new();\n if (c == NULL)\n goto err;\n BN_with_flags(c, I, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, c, rsa->q, ctx)) {\n BN_free(c);\n goto err;\n }\n {\n BIGNUM *dmq1 = BN_new();\n if (dmq1 == NULL) {\n BN_free(c);\n goto err;\n }\n BN_with_flags(dmq1, rsa->dmq1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(m1, r1, dmq1, rsa->q, ctx,\n rsa->_method_mod_q)) {\n BN_free(c);\n BN_free(dmq1);\n goto err;\n }\n BN_free(dmq1);\n }\n if (!BN_mod(r1, c, rsa->p, ctx)) {\n BN_free(c);\n goto err;\n }\n BN_free(c);\n }\n {\n BIGNUM *dmp1 = BN_new();\n if (dmp1 == NULL)\n goto err;\n BN_with_flags(dmp1, rsa->dmp1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, r1, dmp1, rsa->p, ctx,\n rsa->_method_mod_p)) {\n BN_free(dmp1);\n goto err;\n }\n BN_free(dmp1);\n }\n if (ex_primes > 0) {\n BIGNUM *di = BN_new(), *cc = BN_new();\n if (cc == NULL || di == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n if ((m[i] = BN_CTX_get(ctx)) == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(cc, I, BN_FLG_CONSTTIME);\n BN_with_flags(di, pinfo->d, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, cc, pinfo->r, ctx)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(m[i], r1, di, pinfo->r, ctx, pinfo->m)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n }\n BN_free(cc);\n BN_free(di);\n }\n if (!BN_sub(r0, r0, m1))\n goto err;\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->iqmp, ctx))\n goto err;\n {\n BIGNUM *pr1 = BN_new();\n if (pr1 == NULL)\n goto err;\n BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);\n if (!BN_mod(r0, pr1, rsa->p, ctx)) {\n BN_free(pr1);\n goto err;\n }\n BN_free(pr1);\n }\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->q, ctx))\n goto err;\n if (!BN_add(r0, r1, m1))\n goto err;\n if (ex_primes > 0) {\n BIGNUM *pr2 = BN_new();\n if (pr2 == NULL)\n goto err;\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n if (!BN_sub(r1, m[i], r0)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r2, r1, pinfo->t, ctx)) {\n BN_free(pr2);\n goto err;\n }\n BN_with_flags(pr2, r2, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, pr2, pinfo->r, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (BN_is_negative(r1))\n if (!BN_add(r1, r1, pinfo->r)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r1, r1, pinfo->pp, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_add(r0, r0, r1)) {\n BN_free(pr2);\n goto err;\n }\n }\n BN_free(pr2);\n }\n tail:\n if (rsa->e && rsa->n) {\n if (rsa->meth->bn_mod_exp == BN_mod_exp_mont) {\n if (!BN_mod_exp_mont(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n } else {\n bn_correct_top(r0);\n if (!rsa->meth->bn_mod_exp(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n }\n if (!BN_sub(vrfy, vrfy, I))\n goto err;\n if (BN_is_zero(vrfy)) {\n bn_correct_top(r0);\n ret = 1;\n goto err;\n }\n if (!BN_mod(vrfy, vrfy, rsa->n, ctx))\n goto err;\n if (BN_is_negative(vrfy))\n if (!BN_add(vrfy, vrfy, rsa->n))\n goto err;\n if (!BN_is_zero(vrfy)) {\n BIGNUM *d = BN_new();\n if (d == NULL)\n goto err;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, I, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n }\n bn_correct_top(r0);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', '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}', 'int bn_mod_add_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const BIGNUM *m)\n{\n size_t i, ai, bi, mtop = m->top;\n BN_ULONG storage[1024 / BN_BITS2];\n BN_ULONG carry, temp, mask, *rp, *tp = storage;\n const BN_ULONG *ap, *bp;\n if (bn_wexpand(r, mtop) == NULL)\n return 0;\n if (mtop > sizeof(storage) / sizeof(storage[0])\n && (tp = OPENSSL_malloc(mtop * sizeof(BN_ULONG))) == NULL)\n return 0;\n ap = a->d != NULL ? a->d : tp;\n bp = b->d != NULL ? b->d : tp;\n for (i = 0, ai = 0, bi = 0, carry = 0; i < mtop;) {\n mask = (BN_ULONG)0 - ((i - a->top) >> (8 * sizeof(i) - 1));\n temp = ((ap[ai] & mask) + carry) & BN_MASK2;\n carry = (temp < carry);\n mask = (BN_ULONG)0 - ((i - b->top) >> (8 * sizeof(i) - 1));\n tp[i] = ((bp[bi] & mask) + temp) & BN_MASK2;\n carry += (tp[i] < temp);\n i++;\n ai += (i - a->dmax) >> (8 * sizeof(i) - 1);\n bi += (i - b->dmax) >> (8 * sizeof(i) - 1);\n }\n rp = r->d;\n carry -= bn_sub_words(rp, tp, m->d, mtop);\n for (i = 0; i < mtop; i++) {\n rp[i] = (carry & tp[i]) | (~carry & rp[i]);\n ((volatile BN_ULONG *)tp)[i] = 0;\n }\n r->top = mtop;\n r->flags |= BN_FLG_FIXED_TOP;\n r->neg = 0;\n if (tp != storage)\n OPENSSL_free(tp);\n return 1;\n}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (!bn_to_mont_fixed_top(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(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_mul_mont_fixed_top(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 r->flags |= BN_FLG_FIXED_TOP;\n } else\n#endif\n if (!bn_to_mont_fixed_top(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_mul_mont_fixed_top(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_mul_mont_fixed_top(r, r, r, mont, ctx))\n goto err;\n }\n if (!bn_mul_mont_fixed_top(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue, wmask, window0;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = p->top * BN_BITS2;\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n BIGNUM *reduced = BN_CTX_get(ctx);\n if (reduced == NULL\n || !BN_nnmod(reduced, a, m, ctx)) {\n goto err;\n }\n a = reduced;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!bn_to_mont_fixed_top(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (!bn_to_mont_fixed_top(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits > 0) {\n if (bits < stride)\n stride = bits;\n bits -= stride;\n wvalue = bn_get_bits(p, bits);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7) {\n while (bits > 0) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n } else {\n while (bits > 0) {\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n window0 = (bits - 1) % window + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n wmask = (1 << window) - 1;\n while (bits > 0) {\n for (i = 0; i < window; i++)\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n bits -= window;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int bn_to_mont_fixed_top(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return bn_mul_mont_fixed_top(r, a, &(mont->RR), mont, ctx);\n}', 'int bn_mul_mont_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n int num = mont->N.top;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n r->flags |= BN_FLG_FIXED_TOP;\n return 1;\n }\n }\n#endif\n if ((a->top + b->top) > 2 * num)\n return 0;\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!bn_sqr_fixed_top(tmp, a, ctx))\n goto err;\n } else {\n if (!bn_mul_fixed_top(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!bn_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', '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}'] |
15,671 | 0 | https://github.com/openssl/openssl/blob/305b68f1a2b6d4d0aa07a6ab47ac372f067a40bb/crypto/bn/bn_lib.c/#L231 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int ec_GF2m_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 *tmp, *x, *y, *z;\n int ret = 0, z0;\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) ? 1 : 0;\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n z = BN_CTX_get(ctx);\n if (z == NULL)\n goto err;\n if (!BN_GF2m_mod_arr(x, x_, group->poly))\n goto err;\n if (BN_is_zero(x)) {\n if (!BN_GF2m_mod_sqrt_arr(y, group->b, group->poly, ctx))\n goto err;\n } else {\n if (!group->meth->field_sqr(group, tmp, x, ctx))\n goto err;\n if (!group->meth->field_div(group, tmp, group->b, tmp, ctx))\n goto err;\n if (!BN_GF2m_add(tmp, group->a, tmp))\n goto err;\n if (!BN_GF2m_add(tmp, x, tmp))\n goto err;\n if (!BN_GF2m_mod_solve_quad_arr(z, tmp, group->poly, 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_NO_SOLUTION) {\n ERR_clear_error();\n ECerr(EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n z0 = (BN_is_odd(z)) ? 1 : 0;\n if (!group->meth->field_mul(group, y, x, z, ctx))\n goto err;\n if (z0 != y_bit) {\n if (!BN_GF2m_add(y, y, x))\n goto err;\n }\n }\n if (!EC_POINT_set_affine_coordinates_GF2m(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 a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'int BN_GF2m_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int i;\n const BIGNUM *at, *bt;\n bn_check_top(a);\n bn_check_top(b);\n if (a->top < b->top) {\n at = b;\n bt = a;\n } else {\n at = a;\n bt = b;\n }\n if (bn_wexpand(r, at->top) == NULL)\n return 0;\n for (i = 0; i < bt->top; i++) {\n r->d[i] = at->d[i] ^ bt->d[i];\n }\n for (; i < at->top; i++) {\n r->d[i] = at->d[i];\n }\n r->top = at->top;\n bn_correct_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n 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}'] |
15,672 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/hmac/hm_ameth.c/#L130 | static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)
{
int inc;
ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
if (pder)
{
if (!*pder)
{
*pder = OPENSSL_malloc(os->length);
inc = 0;
}
else inc = 1;
memcpy(*pder, os->data, os->length);
if (inc)
*pder += os->length;
}
return os->length;
} | ['static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)\n\t{\n\tint inc;\n\tASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;\n\tif (pder)\n\t\t{\n\t\tif (!*pder)\n\t\t\t{\n\t\t\t*pder = OPENSSL_malloc(os->length);\n\t\t\tinc = 0;\n\t\t\t}\n\t\telse inc = 1;\n\t\tmemcpy(*pder, os->data, os->length);\n\t\tif (inc)\n\t\t\t*pder += os->length;\n\t\t}\n\treturn os->length;\n\t}', 'void *CRYPTO_malloc(size_t 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}'] |
15,673 | 0 | https://github.com/nginx/nginx/blob/70f7141074896fb1ff3e5fc08407ea0f64f2076b/src/core/ngx_sha1.c/#L268 | 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}'] |
15,674 | 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;
} | ['DH *ssl_get_auto_dh(SSL *s)\n{\n int dh_secbits = 80;\n if (s->cert->dh_tmp_auto == 2)\n return DH_get_1024_160();\n if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {\n if (s->s3->tmp.new_cipher->strength_bits == 256)\n dh_secbits = 128;\n else\n dh_secbits = 80;\n } else {\n if (s->s3->tmp.cert == NULL)\n return NULL;\n dh_secbits = EVP_PKEY_security_bits(s->s3->tmp.cert->privatekey);\n }\n if (dh_secbits >= 128) {\n DH *dhp = DH_new();\n BIGNUM *p, *g;\n if (dhp == NULL)\n return NULL;\n g = BN_new();\n if (g == NULL || !BN_set_word(g, 2)) {\n DH_free(dhp);\n BN_free(g);\n return NULL;\n }\n if (dh_secbits >= 192)\n p = BN_get_rfc3526_prime_8192(NULL);\n else\n p = BN_get_rfc3526_prime_3072(NULL);\n if (p == NULL || !DH_set0_pqg(dhp, p, NULL, g)) {\n DH_free(dhp);\n BN_free(p);\n BN_free(g);\n return NULL;\n }\n return dhp;\n }\n if (dh_secbits >= 112)\n return DH_get_2048_224();\n return DH_get_1024_160();\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_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}'] |
15,675 | 0 | https://github.com/nginx/nginx/blob/78aacc838bac5c92fe92f8533526515766cfce15/src/http/ngx_http_request.c/#L3274 | 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;
}
if (r->post_action && r->uri_changes == 0) {
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.last == 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_SPECIAL_RESPONSE) {\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, NGX_ERROR);\n return;\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, NGX_ERROR);\n return;\n }\n }\n if (u->length == 0) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\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 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 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 u->length = -1;\n return NGX_OK;\n}', 'static void\nngx_http_upstream_process_body_in_memory(ngx_http_request_t *r,\n ngx_http_upstream_t *u)\n{\n size_t size;\n ssize_t n;\n ngx_buf_t *b;\n ngx_event_t *rev;\n ngx_connection_t *c;\n c = u->peer.connection;\n rev = c->read;\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http upstream process body on memory");\n if (rev->timedout) {\n ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out");\n ngx_http_upstream_finalize_request(r, u, NGX_HTTP_GATEWAY_TIME_OUT);\n return;\n }\n b = &u->buffer;\n for ( ;; ) {\n size = b->end - b->last;\n if (size == 0) {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "upstream buffer is too small to read response");\n ngx_http_upstream_finalize_request(r, u, NGX_ERROR);\n return;\n }\n n = c->recv(c, b->last, size);\n if (n == NGX_AGAIN) {\n break;\n }\n if (n == 0 || n == NGX_ERROR) {\n ngx_http_upstream_finalize_request(r, u, n);\n return;\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 (!rev->ready) {\n break;\n }\n }\n if (u->length == 0) {\n ngx_http_upstream_finalize_request(r, u, 0);\n return;\n }\n if (ngx_handle_read_event(rev, 0) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u, NGX_ERROR);\n return;\n }\n if (rev->active) {\n ngx_add_timer(rev, u->conf->read_timeout);\n } else if (rev->timer_set) {\n ngx_del_timer(rev);\n }\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 u->cleanup = NULL;\n }\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_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 && 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 (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 if (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE) {\n rc = 0;\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 }\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 r->main->subrequests++;\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}', '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 if (r->post_action && r->uri_changes == 0) {\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}'] |
15,676 | 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);
} | ['static int dh_test(void)\n{\n DH *dh;\n BIGNUM *p, *q, *g;\n const BIGNUM *p2, *q2, *g2;\n BIGNUM *priv_key;\n const BIGNUM *pub_key2, *priv_key2;\n BN_GENCB *_cb = NULL;\n DH *a = NULL;\n DH *b = NULL;\n DH *c = NULL;\n const BIGNUM *ap = NULL, *ag = NULL, *apub_key = NULL;\n const BIGNUM *bpub_key = NULL, *bpriv_key = NULL;\n BIGNUM *bp = NULL, *bg = NULL, *cpriv_key = NULL;\n unsigned char *abuf = NULL;\n unsigned char *bbuf = NULL;\n unsigned char *cbuf = NULL;\n int i, alen, blen, clen, aout, bout, cout;\n int ret = 0;\n if (!TEST_ptr(dh = DH_new())\n || !TEST_ptr(p = BN_new())\n || !TEST_ptr(q = BN_new())\n || !TEST_ptr(g = BN_new())\n || !TEST_ptr(priv_key = BN_new()))\n goto err;\n if (!TEST_true(BN_set_word(p, 4079L))\n || !TEST_true(BN_set_word(q, 2039L))\n || !TEST_true(BN_set_word(g, 3L))\n || !TEST_true(DH_set0_pqg(dh, p, q, g)))\n goto err;\n DH_get0_pqg(dh, &p2, &q2, &g2);\n if (!TEST_ptr_eq(p2, p)\n || !TEST_ptr_eq(q2, q)\n || !TEST_ptr_eq(g2, g))\n goto err;\n if (!TEST_ptr_eq(DH_get0_p(dh), p2)\n || !TEST_ptr_eq(DH_get0_q(dh), q2)\n || !TEST_ptr_eq(DH_get0_g(dh), g2))\n goto err;\n if (!TEST_true(BN_set_word(priv_key, 1234L))\n || !TEST_true(DH_set0_key(dh, NULL, priv_key)))\n goto err;\n DH_get0_key(dh, &pub_key2, &priv_key2);\n if (!TEST_ptr_eq(pub_key2, NULL)\n || !TEST_ptr_eq(priv_key2, priv_key))\n goto err;\n if (!TEST_ptr_eq(DH_get0_pub_key(dh), pub_key2)\n || !TEST_ptr_eq(DH_get0_priv_key(dh), priv_key2))\n goto err;\n if (!DH_generate_key(dh))\n goto err;\n DH_get0_key(dh, &pub_key2, &priv_key2);\n if (!TEST_ptr(pub_key2)\n || !TEST_ptr_eq(priv_key2, priv_key))\n goto err;\n if (!TEST_ptr_eq(DH_get0_pub_key(dh), pub_key2)\n || !TEST_ptr_eq(DH_get0_priv_key(dh), priv_key2))\n goto err;\n TEST_uint_eq(BN_get_word(pub_key2), 3331L);\n if (!TEST_ptr(_cb = BN_GENCB_new()))\n goto err;\n BN_GENCB_set(_cb, &cb, NULL);\n if (!TEST_ptr(a = DH_new())\n || !TEST_true(DH_generate_parameters_ex(a, 64,\n DH_GENERATOR_5, _cb)))\n goto err;\n if (!DH_check(a, &i))\n goto err;\n if (!TEST_false(i & DH_CHECK_P_NOT_PRIME)\n || !TEST_false(i & DH_CHECK_P_NOT_SAFE_PRIME)\n || !TEST_false(i & DH_UNABLE_TO_CHECK_GENERATOR)\n || !TEST_false(i & DH_NOT_SUITABLE_GENERATOR))\n goto err;\n DH_get0_pqg(a, &ap, NULL, &ag);\n if (!TEST_ptr(b = DH_new()))\n goto err;\n if (!TEST_ptr(bp = BN_dup(ap))\n || !TEST_ptr(bg = BN_dup(ag))\n || !TEST_true(DH_set0_pqg(b, bp, NULL, bg)))\n goto err;\n bp = bg = NULL;\n if (!DH_generate_key(a))\n goto err;\n DH_get0_key(a, &apub_key, NULL);\n if (!DH_generate_key(b))\n goto err;\n DH_get0_key(b, &bpub_key, &bpriv_key);\n if (!TEST_ptr(c = DHparams_dup(b))\n || !TEST_ptr(cpriv_key = BN_dup(bpriv_key))\n || !TEST_true(DH_set0_key(c, NULL, cpriv_key)))\n goto err;\n cpriv_key = NULL;\n alen = DH_size(a);\n if (!TEST_ptr(abuf = OPENSSL_malloc(alen))\n || !TEST_true((aout = DH_compute_key(abuf, bpub_key, a)) != -1))\n goto err;\n blen = DH_size(b);\n if (!TEST_ptr(bbuf = OPENSSL_malloc(blen))\n || !TEST_true((bout = DH_compute_key(bbuf, apub_key, b)) != -1))\n goto err;\n clen = DH_size(c);\n if (!TEST_ptr(cbuf = OPENSSL_malloc(clen))\n || !TEST_true((cout = DH_compute_key(cbuf, apub_key, c)) != -1))\n goto err;\n if (!TEST_true(aout >= 4)\n || !TEST_mem_eq(abuf, aout, bbuf, bout)\n || !TEST_mem_eq(abuf, aout, cbuf, cout))\n goto err;\n ret = 1;\n err:\n OPENSSL_free(abuf);\n OPENSSL_free(bbuf);\n OPENSSL_free(cbuf);\n DH_free(b);\n DH_free(a);\n DH_free(c);\n BN_free(bp);\n BN_free(bg);\n BN_free(cpriv_key);\n BN_GENCB_free(_cb);\n DH_free(dh);\n return ret;\n}', 'int DH_generate_parameters_ex(DH *ret, int prime_len, int generator,\n BN_GENCB *cb)\n{\n if (ret->meth->generate_params)\n return ret->meth->generate_params(ret, prime_len, generator, cb);\n return dh_builtin_genparams(ret, prime_len, generator, cb);\n}', 'int DH_check(const DH *dh, int *ret)\n{\n int ok = 0, r;\n BN_CTX *ctx = NULL;\n BN_ULONG l;\n BIGNUM *t1 = NULL, *t2 = NULL;\n *ret = 0;\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 (dh->q) {\n if (BN_cmp(dh->g, BN_value_one()) <= 0)\n *ret |= DH_NOT_SUITABLE_GENERATOR;\n else if (BN_cmp(dh->g, dh->p) >= 0)\n *ret |= DH_NOT_SUITABLE_GENERATOR;\n else {\n if (!BN_mod_exp(t1, dh->g, dh->q, dh->p, ctx))\n goto err;\n if (!BN_is_one(t1))\n *ret |= DH_NOT_SUITABLE_GENERATOR;\n }\n r = BN_is_prime_ex(dh->q, BN_prime_checks, ctx, NULL);\n if (r < 0)\n goto err;\n if (!r)\n *ret |= DH_CHECK_Q_NOT_PRIME;\n if (!BN_div(t1, t2, dh->p, dh->q, ctx))\n goto err;\n if (!BN_is_one(t2))\n *ret |= DH_CHECK_INVALID_Q_VALUE;\n if (dh->j && BN_cmp(dh->j, t1))\n *ret |= DH_CHECK_INVALID_J_VALUE;\n } else if (BN_is_word(dh->g, DH_GENERATOR_2)) {\n l = BN_mod_word(dh->p, 24);\n if (l == (BN_ULONG)-1)\n goto err;\n if (l != 11)\n *ret |= DH_NOT_SUITABLE_GENERATOR;\n } else if (BN_is_word(dh->g, DH_GENERATOR_5)) {\n l = BN_mod_word(dh->p, 10);\n if (l == (BN_ULONG)-1)\n goto err;\n if ((l != 3) && (l != 7))\n *ret |= DH_NOT_SUITABLE_GENERATOR;\n } else\n *ret |= DH_UNABLE_TO_CHECK_GENERATOR;\n r = BN_is_prime_ex(dh->p, BN_prime_checks, ctx, NULL);\n if (r < 0)\n goto err;\n if (!r)\n *ret |= DH_CHECK_P_NOT_PRIME;\n else if (!dh->q) {\n if (!BN_rshift1(t1, dh->p))\n goto err;\n r = BN_is_prime_ex(t1, BN_prime_checks, ctx, NULL);\n if (r < 0)\n goto err;\n if (!r)\n *ret |= DH_CHECK_P_NOT_SAFE_PRIME;\n }\n ok = 1;\n err:\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n }\n return ok;\n}', 'int BN_cmp(const BIGNUM *a, const BIGNUM *b)\n{\n int i;\n int gt, lt;\n BN_ULONG t1, t2;\n if ((a == NULL) || (b == NULL)) {\n if (a != NULL)\n return -1;\n else if (b != NULL)\n return 1;\n else\n return 0;\n }\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg != b->neg) {\n if (a->neg)\n return -1;\n else\n return 1;\n }\n if (a->neg == 0) {\n gt = 1;\n lt = -1;\n } else {\n gt = -1;\n lt = 1;\n }\n if (a->top > b->top)\n return gt;\n if (a->top < b->top)\n return lt;\n for (i = a->top - 1; i >= 0; i--) {\n t1 = a->d[i];\n t2 = b->d[i];\n if (t1 > t2)\n return gt;\n if (t1 < t2)\n return lt;\n }\n return 0;\n}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n if (BN_is_odd(m)) {\n# ifdef MONT_EXP_WORD\n if (a->top == 1 && !a->neg\n && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)\n && (BN_get_flags(a, BN_FLG_CONSTTIME) == 0)\n && (BN_get_flags(m, BN_FLG_CONSTTIME) == 0)) {\n BN_ULONG A = a->d[0];\n ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);\n } else\n# endif\n ret = BN_mod_exp_mont(r, a, p, m, ctx, NULL);\n } else\n#endif\n#ifdef RECP_MUL_MOD\n {\n ret = BN_mod_exp_recp(r, a, p, m, ctx);\n }\n#else\n {\n ret = BN_mod_exp_simple(r, a, p, m, ctx);\n }\n#endif\n bn_check_top(r);\n return ret;\n}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (!bn_to_mont_fixed_top(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(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_mul_mont_fixed_top(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 r->flags |= BN_FLG_FIXED_TOP;\n } else\n#endif\n if (!bn_to_mont_fixed_top(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_mul_mont_fixed_top(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_mul_mont_fixed_top(r, r, r, mont, ctx))\n goto err;\n }\n if (!bn_mul_mont_fixed_top(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue, wmask, window0;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = p->top * BN_BITS2;\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if (!a->neg) {\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!bn_to_mont_fixed_top(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(&am, a, m, ctx))\n goto err;\n if (!bn_to_mont_fixed_top(&am, &am, mont, ctx))\n goto err;\n } else if (!bn_to_mont_fixed_top(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits > 0) {\n if (bits < stride)\n stride = bits;\n bits -= stride;\n wvalue = bn_get_bits(p, bits);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7) {\n while (bits > 0) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n } else {\n while (bits > 0) {\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n window0 = (bits - 1) % window + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n wmask = (1 << window) - 1;\n while (bits > 0) {\n for (i = 0; i < window; i++)\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n bits -= window;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int bn_to_mont_fixed_top(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return bn_mul_mont_fixed_top(r, a, &(mont->RR), mont, ctx);\n}', 'int bn_mul_mont_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n int num = mont->N.top;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n r->flags |= BN_FLG_FIXED_TOP;\n return 1;\n }\n }\n#endif\n if ((a->top + b->top) > 2 * num)\n return 0;\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!bn_sqr_fixed_top(tmp, a, ctx))\n goto err;\n } else {\n if (!bn_mul_fixed_top(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!bn_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int bn_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}'] |
15,677 | 0 | https://github.com/libav/libav/blob/54bc15d5ebfd07fd468743ba29f709ea19e840b9/libswscale/output.c/#L1333 | static void
yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t **dest,
int dstW, int y)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
int i;
int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrc;
uint16_t **dest16 = (uint16_t**)dest;
int SH = 22 + 7 - desc->comp[0].depth_minus1;
for (i = 0; i < dstW; i++) {
int j;
int Y = 1 << 9;
int U = (1 << 9) - (128 << 19);
int V = (1 << 9) - (128 << 19);
int R, G, B, A;
for (j = 0; j < lumFilterSize; j++)
Y += lumSrc[j][i] * lumFilter[j];
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
Y >>= 10;
U >>= 10;
V >>= 10;
if (hasAlpha) {
A = 1 << 18;
for (j = 0; j < lumFilterSize; j++)
A += alpSrc[j][i] * lumFilter[j];
A >>= 19;
if (A & 0x100)
A = av_clip_uint8(A);
}
Y -= c->yuv2rgb_y_offset;
Y *= c->yuv2rgb_y_coeff;
Y += 1 << 21;
R = Y + V * c->yuv2rgb_v2r_coeff;
G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = Y + U * c->yuv2rgb_u2b_coeff;
if ((R | G | B) & 0xC0000000) {
R = av_clip_uintp2(R, 30);
G = av_clip_uintp2(G, 30);
B = av_clip_uintp2(B, 30);
}
if (SH != 22) {
dest16[0][i] = G >> SH;
dest16[1][i] = B >> SH;
dest16[2][i] = R >> SH;
if (hasAlpha)
dest16[3][i] = A;
} else {
dest[0][i] = G >> 22;
dest[1][i] = B >> 22;
dest[2][i] = R >> 22;
if (hasAlpha)
dest[3][i] = A;
}
}
if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {
for (i = 0; i < dstW; i++) {
dest16[0][i] = av_bswap16(dest16[0][i]);
dest16[1][i] = av_bswap16(dest16[1][i]);
dest16[2][i] = av_bswap16(dest16[2][i]);
if (hasAlpha)
dest16[3][i] = av_bswap16(dest16[3][i]);
}
}
} | ['static void\nyuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,\n const int16_t **lumSrc, int lumFilterSize,\n const int16_t *chrFilter, const int16_t **chrUSrc,\n const int16_t **chrVSrc, int chrFilterSize,\n const int16_t **alpSrc, uint8_t **dest,\n int dstW, int y)\n{\n const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);\n int i;\n int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrc;\n uint16_t **dest16 = (uint16_t**)dest;\n int SH = 22 + 7 - desc->comp[0].depth_minus1;\n for (i = 0; i < dstW; i++) {\n int j;\n int Y = 1 << 9;\n int U = (1 << 9) - (128 << 19);\n int V = (1 << 9) - (128 << 19);\n int R, G, B, A;\n for (j = 0; j < lumFilterSize; j++)\n Y += lumSrc[j][i] * lumFilter[j];\n for (j = 0; j < chrFilterSize; j++) {\n U += chrUSrc[j][i] * chrFilter[j];\n V += chrVSrc[j][i] * chrFilter[j];\n }\n Y >>= 10;\n U >>= 10;\n V >>= 10;\n if (hasAlpha) {\n A = 1 << 18;\n for (j = 0; j < lumFilterSize; j++)\n A += alpSrc[j][i] * lumFilter[j];\n A >>= 19;\n if (A & 0x100)\n A = av_clip_uint8(A);\n }\n Y -= c->yuv2rgb_y_offset;\n Y *= c->yuv2rgb_y_coeff;\n Y += 1 << 21;\n R = Y + V * c->yuv2rgb_v2r_coeff;\n G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;\n B = Y + U * c->yuv2rgb_u2b_coeff;\n if ((R | G | B) & 0xC0000000) {\n R = av_clip_uintp2(R, 30);\n G = av_clip_uintp2(G, 30);\n B = av_clip_uintp2(B, 30);\n }\n if (SH != 22) {\n dest16[0][i] = G >> SH;\n dest16[1][i] = B >> SH;\n dest16[2][i] = R >> SH;\n if (hasAlpha)\n dest16[3][i] = A;\n } else {\n dest[0][i] = G >> 22;\n dest[1][i] = B >> 22;\n dest[2][i] = R >> 22;\n if (hasAlpha)\n dest[3][i] = A;\n }\n }\n if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {\n for (i = 0; i < dstW; i++) {\n dest16[0][i] = av_bswap16(dest16[0][i]);\n dest16[1][i] = av_bswap16(dest16[1][i]);\n dest16[2][i] = av_bswap16(dest16[2][i]);\n if (hasAlpha)\n dest16[3][i] = av_bswap16(dest16[3][i]);\n }\n }\n}'] |
15,678 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/x509/x509_vfy.c/#L769 | static int check_cert(X509_STORE_CTX *ctx)
{
X509_CRL *crl = NULL, *dcrl = NULL;
int ok = 0;
int cnum = ctx->error_depth;
X509 *x = sk_X509_value(ctx->chain, cnum);
ctx->current_cert = x;
ctx->current_issuer = NULL;
ctx->current_crl_score = 0;
ctx->current_reasons = 0;
while (ctx->current_reasons != CRLDP_ALL_REASONS) {
unsigned int last_reasons = ctx->current_reasons;
if (ctx->get_crl)
ok = ctx->get_crl(ctx, &crl, x);
else
ok = get_crl_delta(ctx, &crl, &dcrl, x);
if (!ok) {
ok = verify_cb_crl(ctx, X509_V_ERR_UNABLE_TO_GET_CRL);
goto done;
}
ctx->current_crl = crl;
ok = ctx->check_crl(ctx, crl);
if (!ok)
goto done;
if (dcrl) {
ok = ctx->check_crl(ctx, dcrl);
if (!ok)
goto done;
ok = ctx->cert_crl(ctx, dcrl, x);
if (!ok)
goto done;
} else
ok = 1;
if (ok != 2) {
ok = ctx->cert_crl(ctx, crl, x);
if (!ok)
goto done;
}
X509_CRL_free(crl);
X509_CRL_free(dcrl);
crl = NULL;
dcrl = NULL;
if (last_reasons == ctx->current_reasons) {
ok = verify_cb_crl(ctx, X509_V_ERR_UNABLE_TO_GET_CRL);
goto done;
}
}
done:
X509_CRL_free(crl);
X509_CRL_free(dcrl);
ctx->current_crl = NULL;
return ok;
} | ['static int check_cert(X509_STORE_CTX *ctx)\n{\n X509_CRL *crl = NULL, *dcrl = NULL;\n int ok = 0;\n int cnum = ctx->error_depth;\n X509 *x = sk_X509_value(ctx->chain, cnum);\n ctx->current_cert = x;\n ctx->current_issuer = NULL;\n ctx->current_crl_score = 0;\n ctx->current_reasons = 0;\n while (ctx->current_reasons != CRLDP_ALL_REASONS) {\n unsigned int last_reasons = ctx->current_reasons;\n if (ctx->get_crl)\n ok = ctx->get_crl(ctx, &crl, x);\n else\n ok = get_crl_delta(ctx, &crl, &dcrl, x);\n if (!ok) {\n ok = verify_cb_crl(ctx, X509_V_ERR_UNABLE_TO_GET_CRL);\n goto done;\n }\n ctx->current_crl = crl;\n ok = ctx->check_crl(ctx, crl);\n if (!ok)\n goto done;\n if (dcrl) {\n ok = ctx->check_crl(ctx, dcrl);\n if (!ok)\n goto done;\n ok = ctx->cert_crl(ctx, dcrl, x);\n if (!ok)\n goto done;\n } else\n ok = 1;\n if (ok != 2) {\n ok = ctx->cert_crl(ctx, crl, x);\n if (!ok)\n goto done;\n }\n X509_CRL_free(crl);\n X509_CRL_free(dcrl);\n crl = NULL;\n dcrl = NULL;\n if (last_reasons == ctx->current_reasons) {\n ok = verify_cb_crl(ctx, X509_V_ERR_UNABLE_TO_GET_CRL);\n goto done;\n }\n }\n done:\n X509_CRL_free(crl);\n X509_CRL_free(dcrl);\n ctx->current_crl = NULL;\n return ok;\n}', 'DEFINE_STACK_OF(X509)', 'void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)\n{\n if (st == NULL || i < 0 || i >= st->num)\n return NULL;\n return st->data[i];\n}'] |
15,679 | 0 | https://github.com/libav/libav/blob/37e34df5a5cb3c493123ea18dc3141f9eef13458/ffmpeg.c/#L3268 | static void new_subtitle_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodecContext *subtitle_enc;
st = av_new_stream(oc, oc->nb_streams);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
av_exit(1);
}
avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
subtitle_bitstream_filters= NULL;
subtitle_enc = st->codec;
subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
if(subtitle_codec_tag)
subtitle_enc->codec_tag= subtitle_codec_tag;
if (subtitle_stream_copy) {
st->stream_copy = 1;
} else {
set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
}
nb_ocodecs++;
if (subtitle_language) {
av_metadata_set(&st->metadata, "language", subtitle_language);
av_free(subtitle_language);
subtitle_language = NULL;
}
subtitle_disable = 0;
av_freep(&subtitle_codec_name);
subtitle_stream_copy = 0;
} | ['static void new_subtitle_stream(AVFormatContext *oc)\n{\n AVStream *st;\n AVCodecContext *subtitle_enc;\n st = av_new_stream(oc, oc->nb_streams);\n if (!st) {\n fprintf(stderr, "Could not alloc stream\\n");\n av_exit(1);\n }\n avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);\n bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;\n subtitle_bitstream_filters= NULL;\n subtitle_enc = st->codec;\n subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;\n if(subtitle_codec_tag)\n subtitle_enc->codec_tag= subtitle_codec_tag;\n if (subtitle_stream_copy) {\n st->stream_copy = 1;\n } else {\n set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);\n subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);\n output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);\n }\n nb_ocodecs++;\n if (subtitle_language) {\n av_metadata_set(&st->metadata, "language", subtitle_language);\n av_free(subtitle_language);\n subtitle_language = NULL;\n }\n subtitle_disable = 0;\n av_freep(&subtitle_codec_name);\n subtitle_stream_copy = 0;\n}', 'AVStream *av_new_stream(AVFormatContext *s, int id)\n{\n AVStream *st;\n int i;\n if (s->nb_streams >= MAX_STREAMS)\n return NULL;\n st = av_mallocz(sizeof(AVStream));\n if (!st)\n return NULL;\n st->codec= avcodec_alloc_context();\n if (s->iformat) {\n st->codec->bit_rate = 0;\n }\n st->index = s->nb_streams;\n st->id = id;\n st->start_time = AV_NOPTS_VALUE;\n st->duration = AV_NOPTS_VALUE;\n st->cur_dts = 0;\n st->first_dts = AV_NOPTS_VALUE;\n st->probe_packets = MAX_PROBE_PACKETS;\n av_set_pts_info(st, 33, 1, 90000);\n st->last_IP_pts = AV_NOPTS_VALUE;\n for(i=0; i<MAX_REORDER_DELAY+1; i++)\n st->pts_buffer[i]= AV_NOPTS_VALUE;\n st->reference_dts = AV_NOPTS_VALUE;\n st->sample_aspect_ratio = (AVRational){0,1};\n s->streams[s->nb_streams++] = st;\n return st;\n}'] |
15,680 | 0 | https://github.com/openssl/openssl/blob/c1d56231ef6385b557ec72eec508e55ea26ca8b0/crypto/sparse_array.c/#L215 | int OPENSSL_SA_set(OPENSSL_SA *sa, ossl_uintmax_t posn, void *val)
{
int i, level = 1;
ossl_uintmax_t n = posn;
void **p;
if (sa == NULL)
return 0;
for (level = 1; level < SA_BLOCK_MAX_LEVELS; level++)
if ((n >>= OPENSSL_SA_BLOCK_BITS) == 0)
break;
for (;sa->levels < level; sa->levels++) {
p = alloc_node();
if (p == NULL)
return 0;
p[0] = sa->nodes;
sa->nodes = p;
}
if (sa->top < posn)
sa->top = posn;
p = sa->nodes;
for (level = sa->levels - 1; level > 0; level--) {
i = (posn >> (OPENSSL_SA_BLOCK_BITS * level)) & SA_BLOCK_MASK;
if (p[i] == NULL && (p[i] = alloc_node()) == NULL)
return 0;
p = p[i];
}
p += posn & SA_BLOCK_MASK;
if (val == NULL && *p != NULL)
sa->nelem--;
else if (val != NULL && *p == NULL)
sa->nelem++;
*p = val;
return 1;
} | ['static int test_register_deregister(void)\n{\n static const struct {\n int nid;\n const char *prop;\n char *impl;\n } impls[] = {\n { 6, "position=1", "a" },\n { 6, "position=2", "b" },\n { 6, "position=3", "c" },\n { 6, "position=4", "d" },\n };\n size_t i;\n int ret = 0;\n OSSL_METHOD_STORE *store;\n if (!TEST_ptr(store = ossl_method_store_new(NULL))\n || !add_property_names("position", NULL))\n goto err;\n for (i = 0; i < OSSL_NELEM(impls); i++)\n if (!TEST_true(ossl_method_store_add(store, NULL, impls[i].nid,\n impls[i].prop, impls[i].impl,\n NULL, NULL))) {\n TEST_note("iteration %zd", i + 1);\n goto err;\n }\n for (i = 0; i < OSSL_NELEM(impls); i++) {\n const size_t j = (1 + i * 3) % OSSL_NELEM(impls);\n int nid = impls[j].nid;\n void *impl = impls[j].impl;\n if (!TEST_true(ossl_method_store_remove(store, nid, impl))\n || !TEST_false(ossl_method_store_remove(store, nid, impl))) {\n TEST_note("iteration %zd, position %zd", i + 1, j + 1);\n goto err;\n }\n }\n if (TEST_false(ossl_method_store_remove(store, impls[0].nid, impls[0].impl)))\n ret = 1;\nerr:\n ossl_method_store_free(store);\n return ret;\n}', 'int ossl_method_store_add(OSSL_METHOD_STORE *store, const OSSL_PROVIDER *prov,\n int nid, const char *properties, void *method,\n int (*method_up_ref)(void *),\n void (*method_destruct)(void *))\n{\n ALGORITHM *alg = NULL;\n IMPLEMENTATION *impl;\n int ret = 0;\n int i;\n if (nid <= 0 || method == NULL || store == NULL)\n return 0;\n if (properties == NULL)\n properties = "";\n impl = OPENSSL_malloc(sizeof(*impl));\n if (impl == NULL)\n return 0;\n if (method_up_ref != NULL && !method_up_ref(method)) {\n OPENSSL_free(impl);\n return 0;\n }\n impl->provider = prov;\n impl->method = method;\n impl->method_destruct = method_destruct;\n ossl_property_write_lock(store);\n ossl_method_cache_flush(store, nid);\n if ((impl->properties = ossl_prop_defn_get(store->ctx, properties)) == NULL) {\n impl->properties = ossl_parse_property(store->ctx, properties);\n if (impl->properties == NULL)\n goto err;\n ossl_prop_defn_set(store->ctx, properties, impl->properties);\n }\n alg = ossl_method_store_retrieve(store, nid);\n if (alg == NULL) {\n if ((alg = OPENSSL_zalloc(sizeof(*alg))) == NULL\n || (alg->impls = sk_IMPLEMENTATION_new_null()) == NULL\n || (alg->cache = lh_QUERY_new(&query_hash, &query_cmp)) == NULL)\n goto err;\n alg->nid = nid;\n if (!ossl_method_store_insert(store, alg))\n goto err;\n }\n for (i = 0; i < sk_IMPLEMENTATION_num(alg->impls); i++) {\n const IMPLEMENTATION *tmpimpl = sk_IMPLEMENTATION_value(alg->impls, i);\n if (tmpimpl->provider == impl->provider\n && tmpimpl->properties == impl->properties)\n break;\n }\n if (i == sk_IMPLEMENTATION_num(alg->impls)\n && sk_IMPLEMENTATION_push(alg->impls, impl))\n ret = 1;\n ossl_property_unlock(store);\n if (ret == 0)\n impl_free(impl);\n return ret;\nerr:\n ossl_property_unlock(store);\n alg_cleanup(0, alg);\n impl_free(impl);\n return 0;\n}', 'static int ossl_method_store_insert(OSSL_METHOD_STORE *store, ALGORITHM *alg)\n{\n return ossl_sa_ALGORITHM_set(store->algs, alg->nid, alg);\n}', 'DEFINE_SPARSE_ARRAY_OF(ALGORITHM)', 'int OPENSSL_SA_set(OPENSSL_SA *sa, ossl_uintmax_t posn, void *val)\n{\n int i, level = 1;\n ossl_uintmax_t n = posn;\n void **p;\n if (sa == NULL)\n return 0;\n for (level = 1; level < SA_BLOCK_MAX_LEVELS; level++)\n if ((n >>= OPENSSL_SA_BLOCK_BITS) == 0)\n break;\n for (;sa->levels < level; sa->levels++) {\n p = alloc_node();\n if (p == NULL)\n return 0;\n p[0] = sa->nodes;\n sa->nodes = p;\n }\n if (sa->top < posn)\n sa->top = posn;\n p = sa->nodes;\n for (level = sa->levels - 1; level > 0; level--) {\n i = (posn >> (OPENSSL_SA_BLOCK_BITS * level)) & SA_BLOCK_MASK;\n if (p[i] == NULL && (p[i] = alloc_node()) == NULL)\n return 0;\n p = p[i];\n }\n p += posn & SA_BLOCK_MASK;\n if (val == NULL && *p != NULL)\n sa->nelem--;\n else if (val != NULL && *p == NULL)\n sa->nelem++;\n *p = val;\n return 1;\n}'] |
15,681 | 0 | https://github.com/openssl/openssl/blob/3a160f1dc6c312495d65fdfabd8f86c0071975c2/apps/speed.c/#L2514 | static int do_multi(int multi)
{
int n;
int fd[2];
int *fds;
static char sep[]=":";
fds=malloc(multi*sizeof *fds);
for(n=0 ; n < multi ; ++n)
{
pipe(fd);
if(fork())
{
close(fd[1]);
fds[n]=fd[0];
}
else
{
close(fd[0]);
close(1);
dup(fd[1]);
close(fd[1]);
mr=1;
usertime=0;
return 0;
}
printf("Forked child %d\n",n);
}
for(n=0 ; n < multi ; ++n)
{
FILE *f;
char buf[1024];
char *p;
f=fdopen(fds[n],"r");
while(fgets(buf,sizeof buf,f))
{
p=strchr(buf,'\n');
if(p)
*p='\0';
if(buf[0] != '+')
{
fprintf(stderr,"Don't understand line '%s' from child %d\n",
buf,n);
continue;
}
printf("Got: %s from %d\n",buf,n);
if(!strncmp(buf,"+F:",3))
{
int alg;
int j;
p=buf+3;
alg=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
for(j=0 ; j < SIZE_NUM ; ++j)
results[alg][j]+=atof(sstrsep(&p,sep));
}
else if(!strncmp(buf,"+F2:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);
else
rsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);
else
rsa_results[k][1]=d;
}
else if(!strncmp(buf,"+F2:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);
else
rsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);
else
rsa_results[k][1]=d;
}
else if(!strncmp(buf,"+F3:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
dsa_results[k][0]=1/(1/dsa_results[k][0]+1/d);
else
dsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
dsa_results[k][1]=1/(1/dsa_results[k][1]+1/d);
else
dsa_results[k][1]=d;
}
#ifndef OPENSSL_NO_ECDSA
else if(!strncmp(buf,"+F4:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
ecdsa_results[k][0]=1/(1/ecdsa_results[k][0]+1/d);
else
ecdsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
ecdsa_results[k][1]=1/(1/ecdsa_results[k][1]+1/d);
else
ecdsa_results[k][1]=d;
}
#endif
#ifndef OPENSSL_NO_ECDH
else if(!strncmp(buf,"+F5:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
ecdh_results[k][0]=1/(1/ecdh_results[k][0]+1/d);
else
ecdh_results[k][0]=d;
}
#endif
else if(!strncmp(buf,"+H:",3))
{
}
else
fprintf(stderr,"Unknown type '%s' from child %d\n",buf,n);
}
}
return 1;
} | ['static int do_multi(int multi)\n\t{\n\tint n;\n\tint fd[2];\n\tint *fds;\n\tstatic char sep[]=":";\n\tfds=malloc(multi*sizeof *fds);\n\tfor(n=0 ; n < multi ; ++n)\n\t\t{\n\t\tpipe(fd);\n\t\tif(fork())\n\t\t\t{\n\t\t\tclose(fd[1]);\n\t\t\tfds[n]=fd[0];\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tclose(fd[0]);\n\t\t\tclose(1);\n\t\t\tdup(fd[1]);\n\t\t\tclose(fd[1]);\n\t\t\tmr=1;\n\t\t\tusertime=0;\n\t\t\treturn 0;\n\t\t\t}\n\t\tprintf("Forked child %d\\n",n);\n\t\t}\n\tfor(n=0 ; n < multi ; ++n)\n\t\t{\n\t\tFILE *f;\n\t\tchar buf[1024];\n\t\tchar *p;\n\t\tf=fdopen(fds[n],"r");\n\t\twhile(fgets(buf,sizeof buf,f))\n\t\t\t{\n\t\t\tp=strchr(buf,\'\\n\');\n\t\t\tif(p)\n\t\t\t\t*p=\'\\0\';\n\t\t\tif(buf[0] != \'+\')\n\t\t\t\t{\n\t\t\t\tfprintf(stderr,"Don\'t understand line \'%s\' from child %d\\n",\n\t\t\t\t\t\tbuf,n);\n\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\tprintf("Got: %s from %d\\n",buf,n);\n\t\t\tif(!strncmp(buf,"+F:",3))\n\t\t\t\t{\n\t\t\t\tint alg;\n\t\t\t\tint j;\n\t\t\t\tp=buf+3;\n\t\t\t\talg=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\tfor(j=0 ; j < SIZE_NUM ; ++j)\n\t\t\t\t\tresults[alg][j]+=atof(sstrsep(&p,sep));\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F2:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][1]=d;\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F2:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][1]=d;\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F3:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tdsa_results[k][0]=1/(1/dsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tdsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tdsa_results[k][1]=1/(1/dsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\tdsa_results[k][1]=d;\n\t\t\t\t}\n#ifndef OPENSSL_NO_ECDSA\n\t\t\telse if(!strncmp(buf,"+F4:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdsa_results[k][0]=1/(1/ecdsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdsa_results[k][1]=1/(1/ecdsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdsa_results[k][1]=d;\n\t\t\t\t}\n#endif\n#ifndef OPENSSL_NO_ECDH\n\t\t\telse if(!strncmp(buf,"+F5:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdh_results[k][0]=1/(1/ecdh_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdh_results[k][0]=d;\n\t\t\t\t}\n#endif\n\t\t\telse if(!strncmp(buf,"+H:",3))\n\t\t\t\t{\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tfprintf(stderr,"Unknown type \'%s\' from child %d\\n",buf,n);\n\t\t\t}\n\t\t}\n\treturn 1;\n\t}'] |
15,682 | 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_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int i;\n int ret = -2;\n int err = 0;\n BIGNUM *A, *B, *tmp;\n static const int tab[8] = { 0, 1, 0, -1, 0, -1, 0, 1 };\n bn_check_top(a);\n bn_check_top(b);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n if (B == NULL)\n goto end;\n err = !BN_copy(A, a);\n if (err)\n goto end;\n err = !BN_copy(B, b);\n if (err)\n goto end;\n if (BN_is_zero(B)) {\n ret = BN_abs_is_word(A, 1);\n goto end;\n }\n if (!BN_is_odd(A) && !BN_is_odd(B)) {\n ret = 0;\n goto end;\n }\n i = 0;\n while (!BN_is_bit_set(B, i))\n i++;\n err = !BN_rshift(B, B, i);\n if (err)\n goto end;\n if (i & 1) {\n ret = tab[BN_lsw(A) & 7];\n } else {\n ret = 1;\n }\n if (B->neg) {\n B->neg = 0;\n if (A->neg)\n ret = -ret;\n }\n while (1) {\n if (BN_is_zero(A)) {\n ret = BN_is_one(B) ? ret : 0;\n goto end;\n }\n i = 0;\n while (!BN_is_bit_set(A, i))\n i++;\n err = !BN_rshift(A, A, i);\n if (err)\n goto end;\n if (i & 1) {\n ret = ret * tab[BN_lsw(B) & 7];\n }\n if ((A->neg ? ~BN_lsw(A) : BN_lsw(A)) & BN_lsw(B) & 2)\n ret = -ret;\n err = !BN_nnmod(B, B, A, ctx);\n if (err)\n goto end;\n tmp = A;\n A = B;\n B = tmp;\n tmp->neg = 0;\n }\n end:\n BN_CTX_end(ctx);\n if (err)\n return -2;\n else\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}', '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}', '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}'] |
15,683 | 0 | https://github.com/openssl/openssl/blob/b98ebe0fa5d23fa230f5d9c45c27fbc111bd3129/apps/speed.c/#L898 | int MAIN(int argc, char **argv)
{
unsigned char *buf=NULL,*buf2=NULL;
int mret=1;
#define ALGOR_NUM 15
#define SIZE_NUM 5
#define RSA_NUM 4
#define DSA_NUM 3
long count,rsa_count;
int i,j,k;
unsigned rsa_num,rsa_num2;
#ifndef NO_MD2
unsigned char md2[MD2_DIGEST_LENGTH];
#endif
#ifndef NO_MDC2
unsigned char mdc2[MDC2_DIGEST_LENGTH];
#endif
#ifndef NO_MD4
unsigned char md4[MD4_DIGEST_LENGTH];
#endif
#ifndef NO_MD5
unsigned char md5[MD5_DIGEST_LENGTH];
unsigned char hmac[MD5_DIGEST_LENGTH];
#endif
#ifndef NO_SHA
unsigned char sha[SHA_DIGEST_LENGTH];
#endif
#ifndef NO_RIPEMD
unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];
#endif
#ifndef NO_RC4
RC4_KEY rc4_ks;
#endif
#ifndef NO_RC5
RC5_32_KEY rc5_ks;
#endif
#ifndef NO_RC2
RC2_KEY rc2_ks;
#endif
#ifndef NO_IDEA
IDEA_KEY_SCHEDULE idea_ks;
#endif
#ifndef NO_BF
BF_KEY bf_ks;
#endif
#ifndef NO_CAST
CAST_KEY cast_ks;
#endif
static unsigned char key16[16]=
{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
unsigned char iv[8];
#ifndef NO_DES
des_cblock *buf_as_des_cblock = NULL;
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,sch2,sch3;
#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_RC2 11
#define D_CBC_RC5 12
#define D_CBC_BF 13
#define D_CBC_CAST 14
double d,results[ALGOR_NUM][SIZE_NUM];
static int lengths[SIZE_NUM]={8,64,256,1024,8*1024};
long c[ALGOR_NUM][SIZE_NUM];
static char *names[ALGOR_NUM]={
"md2","mdc2","md4","md5","hmac(md5)","sha1","rmd160","rc4",
"des cbc","des ede3","idea cbc",
"rc2 cbc","rc5-32/12 cbc","blowfish cbc","cast cbc"};
#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_4096 3
#ifndef NO_RSA
RSA *rsa_key[RSA_NUM];
long rsa_c[RSA_NUM][2];
double rsa_results[RSA_NUM][2];
static unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};
static unsigned char *rsa_data[RSA_NUM]=
{test512,test1024,test2048,test4096};
static int rsa_data_length[RSA_NUM]={
sizeof(test512),sizeof(test1024),
sizeof(test2048),sizeof(test4096)};
#endif
#ifndef NO_DSA
DSA *dsa_key[DSA_NUM];
long dsa_c[DSA_NUM][2];
double dsa_results[DSA_NUM][2];
static unsigned int dsa_bits[DSA_NUM]={512,1024,2048};
#endif
int rsa_doit[RSA_NUM];
int dsa_doit[DSA_NUM];
int doit[ALGOR_NUM];
int pr_header=0;
int usertime=1;
#ifndef TIMES
usertime=-1;
#endif
apps_startup();
memset(results, 0, sizeof(results));
#ifndef NO_DSA
memset(dsa_key,0,sizeof(dsa_key));
#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);
#ifndef NO_RSA
memset(rsa_key,0,sizeof(rsa_key));
for (i=0; i<RSA_NUM; i++)
rsa_key[i]=NULL;
#endif
if ((buf=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
#ifndef NO_DES
buf_as_des_cblock = (des_cblock *)buf;
#endif
if ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
memset(c,0,sizeof(c));
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;
j=0;
argc--;
argv++;
while (argc)
{
if ((argc > 0) && (strcmp(*argv,"-elapsed") == 0))
usertime = 0;
#ifndef NO_MD2
if (strcmp(*argv,"md2") == 0) doit[D_MD2]=1;
else
#endif
#ifndef NO_MDC2
if (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;
else
#endif
#ifndef NO_MD4
if (strcmp(*argv,"md4") == 0) doit[D_MD4]=1;
else
#endif
#ifndef NO_MD5
if (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;
else
#endif
#ifndef NO_MD5
if (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;
else
#endif
#ifndef NO_SHA
if (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;
else
if (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;
else
#endif
#ifndef NO_RIPEMD
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 NO_RC4
if (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;
else
#endif
#ifndef 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 NO_RSA
#ifdef RSAref
if (strcmp(*argv,"rsaref") == 0)
{
RSA_set_default_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,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;
else
#ifndef 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 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 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 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 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 NO_DES
if (strcmp(*argv,"des") == 0)
{
doit[D_CBC_DES]=1;
doit[D_EDE3_DES]=1;
}
else
#endif
#ifndef 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_4096]=1;
}
else
#endif
#ifndef NO_DSA
if (strcmp(*argv,"dsa") == 0)
{
dsa_doit[R_DSA_512]=1;
dsa_doit[R_DSA_1024]=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 NO_MD2
BIO_printf(bio_err,"md2 ");
#endif
#ifndef NO_MDC2
BIO_printf(bio_err,"mdc2 ");
#endif
#ifndef NO_MD4
BIO_printf(bio_err,"md4 ");
#endif
#ifndef NO_MD5
BIO_printf(bio_err,"md5 ");
#ifndef NO_HMAC
BIO_printf(bio_err,"hmac ");
#endif
#endif
#ifndef NO_SHA1
BIO_printf(bio_err,"sha1 ");
#endif
#ifndef NO_RIPEMD160
BIO_printf(bio_err,"rmd160");
#endif
#if !defined(NO_MD2) || !defined(NO_MDC2) || !defined(NO_MD4) || !defined(NO_MD5) || !defined(NO_SHA1) || !defined(NO_RIPEMD160)
BIO_printf(bio_err,"\n");
#endif
#ifndef NO_IDEA
BIO_printf(bio_err,"idea-cbc ");
#endif
#ifndef NO_RC2
BIO_printf(bio_err,"rc2-cbc ");
#endif
#ifndef NO_RC5
BIO_printf(bio_err,"rc5-cbc ");
#endif
#ifndef NO_BF
BIO_printf(bio_err,"bf-cbc");
#endif
#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_BF) || !defined(NO_RC5)
BIO_printf(bio_err,"\n");
#endif
BIO_printf(bio_err,"des-cbc des-ede3 ");
#ifndef NO_RC4
BIO_printf(bio_err,"rc4");
#endif
BIO_printf(bio_err,"\n");
#ifndef NO_RSA
BIO_printf(bio_err,"rsa512 rsa1024 rsa2048 rsa4096\n");
#endif
#ifndef NO_DSA
BIO_printf(bio_err,"dsa512 dsa1024 dsa2048\n");
#endif
#ifndef NO_IDEA
BIO_printf(bio_err,"idea ");
#endif
#ifndef NO_RC2
BIO_printf(bio_err,"rc2 ");
#endif
#ifndef NO_DES
BIO_printf(bio_err,"des ");
#endif
#ifndef NO_RSA
BIO_printf(bio_err,"rsa ");
#endif
#ifndef NO_BF
BIO_printf(bio_err,"blowfish");
#endif
#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_DES) || !defined(NO_RSA) || !defined(NO_BF)
BIO_printf(bio_err,"\n");
#endif
#ifdef TIMES
BIO_printf(bio_err,"\n");
BIO_printf(bio_err,"Available options:\n");
BIO_printf(bio_err,"-elapsed measure time in real time instead of CPU user time.\n");
#endif
goto end;
}
argc--;
argv++;
j++;
}
if (j == 0)
{
for (i=0; i<ALGOR_NUM; i++)
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;
}
for (i=0; i<ALGOR_NUM; i++)
if (doit[i]) pr_header++;
if (usertime == 0)
BIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\n");
if (usertime <= 0)
{
BIO_printf(bio_err,"To get the most accurate results, try to run this\n");
BIO_printf(bio_err,"program when this computer is idle.\n");
}
#ifndef NO_RSA
for (i=0; i<RSA_NUM; i++)
{
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,"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 NO_DSA
dsa_key[0]=get_dsa512();
dsa_key[1]=get_dsa1024();
dsa_key[2]=get_dsa2048();
#endif
#ifndef NO_DES
des_set_key_unchecked(&key,sch);
des_set_key_unchecked(&key2,sch2);
des_set_key_unchecked(&key3,sch3);
#endif
#ifndef NO_IDEA
idea_set_encrypt_key(key16,&idea_ks);
#endif
#ifndef NO_RC4
RC4_set_key(&rc4_ks,16,key16);
#endif
#ifndef NO_RC2
RC2_set_key(&rc2_ks,16,key16,128);
#endif
#ifndef NO_RC5
RC5_32_set_key(&rc5_ks,16,key16,12);
#endif
#ifndef NO_BF
BF_set_key(&bf_ks,16,key16);
#endif
#ifndef NO_CAST
CAST_set_key(&cast_ks,16,key16);
#endif
#ifndef NO_RSA
memset(rsa_c,0,sizeof(rsa_c));
#endif
#ifndef SIGALRM
#ifndef NO_DES
BIO_printf(bio_err,"First we calculate the approximate speed ...\n");
count=10;
do {
long i;
count*=2;
Time_F(START,usertime);
for (i=count; i; i--)
des_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,
&(sch[0]),DES_ENCRYPT);
d=Time_F(STOP,usertime);
} while (d <3);
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_RC2][0]=count;
c[D_CBC_RC5][0]=count;
c[D_CBC_BF][0]=count;
c[D_CBC_CAST][0]=count;
for (i=1; i<SIZE_NUM; i++)
{
c[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];
c[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];
c[D_MD4][i]=c[D_MD4][0]*4*lengths[0]/lengths[i];
c[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];
c[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];
c[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];
c[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];
}
for (i=1; i<SIZE_NUM; i++)
{
long l0,l1;
l0=(long)lengths[i-1];
l1=(long)lengths[i];
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_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;
}
#ifndef 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
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;
}
}
}
#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)
#define COUNT(d) (count)
signal(SIGALRM,sig_done);
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MD2][j]); count++)
MD2(buf,(unsigned long)lengths[j],&(md2[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MD2],d);
results[D_MD2][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MDC2][j]); count++)
MDC2(buf,(unsigned long)lengths[j],&(mdc2[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MDC2],d);
results[D_MDC2][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MD4][j]); count++)
MD4(&(buf[0]),(unsigned long)lengths[j],&(md4[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MD4],d);
results[D_MD4][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_MD5][j]); count++)
MD5(&(buf[0]),(unsigned long)lengths[j],&(md5[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_MD5],d);
results[D_MD5][j]=((double)count)/d*lengths[j];
}
}
#endif
#if !defined(NO_MD5) && !defined(NO_HMAC)
if (doit[D_HMAC])
{
HMAC_CTX hctx;
HMAC_Init(&hctx,(unsigned char *)"This is a key...",
16,EVP_md5());
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);
Time_F(START,usertime);
for (count=0,run=1; COND(c[D_HMAC][j]); count++)
{
HMAC_Init(&hctx,NULL,0,NULL);
HMAC_Update(&hctx,buf,lengths[j]);
HMAC_Final(&hctx,&(hmac[0]),NULL);
}
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_HMAC],d);
results[D_HMAC][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef NO_SHA
if (doit[D_SHA1])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);
Time_F(START,usertime);
for (count=0,run=1; COND(c[D_SHA1][j]); count++)
SHA1(buf,(unsigned long)lengths[j],&(sha[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_SHA1],d);
results[D_SHA1][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef NO_RIPEMD
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,usertime);
for (count=0,run=1; COND(c[D_RMD160][j]); count++)
RIPEMD160(buf,(unsigned long)lengths[j],&(rmd160[0]));
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_RMD160],d);
results[D_RMD160][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_RC4][j]); count++)
RC4(&rc4_ks,(unsigned int)lengths[j],
buf,buf);
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_RC4],d);
results[D_RC4][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
for (count=0,run=1; COND(c[D_CBC_DES][j]); count++)
des_ncbc_encrypt(buf,buf,lengths[j],sch,
&iv,DES_ENCRYPT);
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_DES],d);
results[D_CBC_DES][j]=((double)count)/d*lengths[j];
}
}
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,usertime);
for (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)
des_ede3_cbc_encrypt(buf,buf,lengths[j],
sch,sch2,sch3,
&iv,DES_ENCRYPT);
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_EDE3_DES],d);
results[D_EDE3_DES][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_IDEA],d);
results[D_CBC_IDEA][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_RC2],d);
results[D_CBC_RC2][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_RC5],d);
results[D_CBC_RC5][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_BF],d);
results[D_CBC_BF][j]=((double)count)/d*lengths[j];
}
}
#endif
#ifndef 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,usertime);
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,usertime);
BIO_printf(bio_err,"%ld %s's in %.2fs\n",
count,names[D_CBC_CAST],d);
results[D_CBC_CAST][j]=((double)count)/d*lengths[j];
}
}
#endif
RAND_pseudo_bytes(buf,36);
#ifndef 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]);
pkey_print_message("private","rsa",rsa_c[j][0],rsa_bits[j],
RSA_SECONDS);
Time_F(START,usertime);
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 private encrypt failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%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]);
pkey_print_message("public","rsa",rsa_c[j][1],rsa_bits[j],
RSA_SECONDS);
Time_F(START,usertime);
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,usertime);
BIO_printf(bio_err,"%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 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;
if (!dsa_doit[j]) continue;
DSA_generate_key(dsa_key[j]);
rsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,
&kk,dsa_key[j]);
pkey_print_message("sign","dsa",dsa_c[j][0],dsa_bits[j],
DSA_SECONDS);
Time_F(START,usertime);
for (count=0,run=1; COND(dsa_c[j][0]); count++)
{
rsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,
&kk,dsa_key[j]);
if (rsa_num == 0)
{
BIO_printf(bio_err,"DSA sign failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%ld %d bit DSA signs in %.2fs\n",
count,dsa_bits[j],d);
dsa_results[j][0]=d/(double)count;
rsa_count=count;
rsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,
kk,dsa_key[j]);
pkey_print_message("verify","dsa",dsa_c[j][1],dsa_bits[j],
DSA_SECONDS);
Time_F(START,usertime);
for (count=0,run=1; COND(dsa_c[j][1]); count++)
{
rsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,
kk,dsa_key[j]);
if (rsa_num2 == 0)
{
BIO_printf(bio_err,"DSA verify failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP,usertime);
BIO_printf(bio_err,"%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
fprintf(stdout,"%s\n",SSLeay_version(SSLEAY_VERSION));
fprintf(stdout,"%s\n",SSLeay_version(SSLEAY_BUILT_ON));
printf("options:");
printf("%s ",BN_options());
#ifndef NO_MD2
printf("%s ",MD2_options());
#endif
#ifndef NO_RC4
printf("%s ",RC4_options());
#endif
#ifndef NO_DES
printf("%s ",des_options());
#endif
#ifndef NO_IDEA
printf("%s ",idea_options());
#endif
#ifndef NO_BF
printf("%s ",BF_options());
#endif
fprintf(stdout,"\n%s\n",SSLeay_version(SSLEAY_CFLAGS));
if (pr_header)
{
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,"%7d bytes",lengths[j]);
fprintf(stdout,"\n");
}
for (k=0; k<ALGOR_NUM; k++)
{
if (!doit[k]) continue;
fprintf(stdout,"%-13s",names[k]);
for (j=0; j<SIZE_NUM; j++)
{
if (results[k][j] > 10000)
fprintf(stdout," %11.2fk",results[k][j]/1e3);
else
fprintf(stdout," %11.2f ",results[k][j]);
}
fprintf(stdout,"\n");
}
#ifndef NO_RSA
j=1;
for (k=0; k<RSA_NUM; k++)
{
if (!rsa_doit[k]) continue;
if (j)
{
printf("%18ssign verify sign/s verify/s\n"," ");
j=0;
}
fprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",
rsa_bits[k],rsa_results[k][0],rsa_results[k][1],
1.0/rsa_results[k][0],1.0/rsa_results[k][1]);
fprintf(stdout,"\n");
}
#endif
#ifndef NO_DSA
j=1;
for (k=0; k<DSA_NUM; k++)
{
if (!dsa_doit[k]) continue;
if (j) {
printf("%18ssign verify sign/s verify/s\n"," ");
j=0;
}
fprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",
dsa_bits[k],dsa_results[k][0],dsa_results[k][1],
1.0/dsa_results[k][0],1.0/dsa_results[k][1]);
fprintf(stdout,"\n");
}
#endif
mret=0;
end:
if (buf != NULL) OPENSSL_free(buf);
if (buf2 != NULL) OPENSSL_free(buf2);
#ifndef NO_RSA
for (i=0; i<RSA_NUM; i++)
if (rsa_key[i] != NULL)
RSA_free(rsa_key[i]);
#endif
#ifndef NO_DSA
for (i=0; i<DSA_NUM; i++)
if (dsa_key[i] != NULL)
DSA_free(dsa_key[i]);
#endif
EXIT(mret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tunsigned char *buf=NULL,*buf2=NULL;\n\tint mret=1;\n#define ALGOR_NUM\t15\n#define SIZE_NUM\t5\n#define RSA_NUM\t\t4\n#define DSA_NUM\t\t3\n\tlong count,rsa_count;\n\tint i,j,k;\n\tunsigned rsa_num,rsa_num2;\n#ifndef NO_MD2\n\tunsigned char md2[MD2_DIGEST_LENGTH];\n#endif\n#ifndef NO_MDC2\n\tunsigned char mdc2[MDC2_DIGEST_LENGTH];\n#endif\n#ifndef NO_MD4\n\tunsigned char md4[MD4_DIGEST_LENGTH];\n#endif\n#ifndef NO_MD5\n\tunsigned char md5[MD5_DIGEST_LENGTH];\n\tunsigned char hmac[MD5_DIGEST_LENGTH];\n#endif\n#ifndef NO_SHA\n\tunsigned char sha[SHA_DIGEST_LENGTH];\n#endif\n#ifndef NO_RIPEMD\n\tunsigned char rmd160[RIPEMD160_DIGEST_LENGTH];\n#endif\n#ifndef NO_RC4\n\tRC4_KEY rc4_ks;\n#endif\n#ifndef NO_RC5\n\tRC5_32_KEY rc5_ks;\n#endif\n#ifndef NO_RC2\n\tRC2_KEY rc2_ks;\n#endif\n#ifndef NO_IDEA\n\tIDEA_KEY_SCHEDULE idea_ks;\n#endif\n#ifndef NO_BF\n\tBF_KEY bf_ks;\n#endif\n#ifndef NO_CAST\n\tCAST_KEY cast_ks;\n#endif\n\tstatic unsigned char key16[16]=\n\t\t{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,\n\t\t 0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tunsigned char iv[8];\n#ifndef NO_DES\n\tdes_cblock *buf_as_des_cblock = NULL;\n\tstatic des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};\n\tstatic des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tstatic des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};\n\tdes_key_schedule sch,sch2,sch3;\n#endif\n#define\tD_MD2\t\t0\n#define\tD_MDC2\t\t1\n#define\tD_MD4\t\t2\n#define\tD_MD5\t\t3\n#define\tD_HMAC\t\t4\n#define\tD_SHA1\t\t5\n#define D_RMD160\t6\n#define\tD_RC4\t\t7\n#define\tD_CBC_DES\t8\n#define\tD_EDE3_DES\t9\n#define\tD_CBC_IDEA\t10\n#define\tD_CBC_RC2\t11\n#define\tD_CBC_RC5\t12\n#define\tD_CBC_BF\t13\n#define\tD_CBC_CAST\t14\n\tdouble d,results[ALGOR_NUM][SIZE_NUM];\n\tstatic int lengths[SIZE_NUM]={8,64,256,1024,8*1024};\n\tlong c[ALGOR_NUM][SIZE_NUM];\n\tstatic char *names[ALGOR_NUM]={\n\t\t"md2","mdc2","md4","md5","hmac(md5)","sha1","rmd160","rc4",\n\t\t"des cbc","des ede3","idea cbc",\n\t\t"rc2 cbc","rc5-32/12 cbc","blowfish cbc","cast cbc"};\n#define\tR_DSA_512\t0\n#define\tR_DSA_1024\t1\n#define\tR_DSA_2048\t2\n#define\tR_RSA_512\t0\n#define\tR_RSA_1024\t1\n#define\tR_RSA_2048\t2\n#define\tR_RSA_4096\t3\n#ifndef NO_RSA\n\tRSA *rsa_key[RSA_NUM];\n\tlong rsa_c[RSA_NUM][2];\n\tdouble rsa_results[RSA_NUM][2];\n\tstatic unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};\n\tstatic unsigned char *rsa_data[RSA_NUM]=\n\t\t{test512,test1024,test2048,test4096};\n\tstatic int rsa_data_length[RSA_NUM]={\n\t\tsizeof(test512),sizeof(test1024),\n\t\tsizeof(test2048),sizeof(test4096)};\n#endif\n#ifndef NO_DSA\n\tDSA *dsa_key[DSA_NUM];\n\tlong dsa_c[DSA_NUM][2];\n\tdouble dsa_results[DSA_NUM][2];\n\tstatic unsigned int dsa_bits[DSA_NUM]={512,1024,2048};\n#endif\n\tint rsa_doit[RSA_NUM];\n\tint dsa_doit[DSA_NUM];\n\tint doit[ALGOR_NUM];\n\tint pr_header=0;\n\tint usertime=1;\n#ifndef TIMES\n\tusertime=-1;\n#endif\n\tapps_startup();\n\tmemset(results, 0, sizeof(results));\n#ifndef NO_DSA\n\tmemset(dsa_key,0,sizeof(dsa_key));\n#endif\n\tif (bio_err == NULL)\n\t\tif ((bio_err=BIO_new(BIO_s_file())) != NULL)\n\t\t\tBIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);\n#ifndef NO_RSA\n\tmemset(rsa_key,0,sizeof(rsa_key));\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_key[i]=NULL;\n#endif\n\tif ((buf=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n#ifndef NO_DES\n\tbuf_as_des_cblock = (des_cblock *)buf;\n#endif\n\tif ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tmemset(c,0,sizeof(c));\n\tmemset(iv,0,sizeof(iv));\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tdoit[i]=0;\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_doit[i]=0;\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tdsa_doit[i]=0;\n\tj=0;\n\targc--;\n\targv++;\n\twhile (argc)\n\t\t{\n\t\tif\t((argc > 0) && (strcmp(*argv,"-elapsed") == 0))\n\t\t\tusertime = 0;\n#ifndef NO_MD2\n\t\tif\t(strcmp(*argv,"md2") == 0) doit[D_MD2]=1;\n\t\telse\n#endif\n#ifndef NO_MDC2\n\t\t\tif (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;\n\t\telse\n#endif\n#ifndef NO_MD4\n\t\t\tif (strcmp(*argv,"md4") == 0) doit[D_MD4]=1;\n\t\telse\n#endif\n#ifndef NO_MD5\n\t\t\tif (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;\n\t\telse\n#endif\n#ifndef NO_MD5\n\t\t\tif (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;\n\t\telse\n#endif\n#ifndef NO_SHA\n\t\t\tif (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;\n\t\telse\n#endif\n#ifndef NO_RIPEMD\n\t\t\tif (strcmp(*argv,"ripemd") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"rmd160") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"ripemd160") == 0) doit[D_RMD160]=1;\n\t\telse\n#endif\n#ifndef NO_RC4\n\t\t\tif (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;\n\t\telse\n#endif\n#ifndef NO_DES\n\t\t\tif (strcmp(*argv,"des-cbc") == 0) doit[D_CBC_DES]=1;\n\t\telse\tif (strcmp(*argv,"des-ede3") == 0) doit[D_EDE3_DES]=1;\n\t\telse\n#endif\n#ifndef NO_RSA\n#ifdef RSAref\n\t\t\tif (strcmp(*argv,"rsaref") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_method(RSA_PKCS1_RSAref());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n#ifndef RSA_NULL\n\t\t\tif (strcmp(*argv,"openssl") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_method(RSA_PKCS1_SSLeay());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n#endif\n\t\t if (strcmp(*argv,"dsa512") == 0) dsa_doit[R_DSA_512]=2;\n\t\telse if (strcmp(*argv,"dsa1024") == 0) dsa_doit[R_DSA_1024]=2;\n\t\telse if (strcmp(*argv,"dsa2048") == 0) dsa_doit[R_DSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa512") == 0) rsa_doit[R_RSA_512]=2;\n\t\telse if (strcmp(*argv,"rsa1024") == 0) rsa_doit[R_RSA_1024]=2;\n\t\telse if (strcmp(*argv,"rsa2048") == 0) rsa_doit[R_RSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;\n\t\telse\n#ifndef NO_RC2\n\t\t if (strcmp(*argv,"rc2-cbc") == 0) doit[D_CBC_RC2]=1;\n\t\telse if (strcmp(*argv,"rc2") == 0) doit[D_CBC_RC2]=1;\n\t\telse\n#endif\n#ifndef NO_RC5\n\t\t if (strcmp(*argv,"rc5-cbc") == 0) doit[D_CBC_RC5]=1;\n\t\telse if (strcmp(*argv,"rc5") == 0) doit[D_CBC_RC5]=1;\n\t\telse\n#endif\n#ifndef NO_IDEA\n\t\t if (strcmp(*argv,"idea-cbc") == 0) doit[D_CBC_IDEA]=1;\n\t\telse if (strcmp(*argv,"idea") == 0) doit[D_CBC_IDEA]=1;\n\t\telse\n#endif\n#ifndef NO_BF\n\t\t if (strcmp(*argv,"bf-cbc") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"blowfish") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"bf") == 0) doit[D_CBC_BF]=1;\n\t\telse\n#endif\n#ifndef NO_CAST\n\t\t if (strcmp(*argv,"cast-cbc") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast5") == 0) doit[D_CBC_CAST]=1;\n\t\telse\n#endif\n#ifndef NO_DES\n\t\t\tif (strcmp(*argv,"des") == 0)\n\t\t\t{\n\t\t\tdoit[D_CBC_DES]=1;\n\t\t\tdoit[D_EDE3_DES]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_RSA\n\t\t\tif (strcmp(*argv,"rsa") == 0)\n\t\t\t{\n\t\t\trsa_doit[R_RSA_512]=1;\n\t\t\trsa_doit[R_RSA_1024]=1;\n\t\t\trsa_doit[R_RSA_2048]=1;\n\t\t\trsa_doit[R_RSA_4096]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_DSA\n\t\t\tif (strcmp(*argv,"dsa") == 0)\n\t\t\t{\n\t\t\tdsa_doit[R_DSA_512]=1;\n\t\t\tdsa_doit[R_DSA_1024]=1;\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Error: bad option or value\\n");\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\tBIO_printf(bio_err,"Available values:\\n");\n#ifndef NO_MD2\n\t\t\tBIO_printf(bio_err,"md2 ");\n#endif\n#ifndef NO_MDC2\n\t\t\tBIO_printf(bio_err,"mdc2 ");\n#endif\n#ifndef NO_MD4\n\t\t\tBIO_printf(bio_err,"md4 ");\n#endif\n#ifndef NO_MD5\n\t\t\tBIO_printf(bio_err,"md5 ");\n#ifndef NO_HMAC\n\t\t\tBIO_printf(bio_err,"hmac ");\n#endif\n#endif\n#ifndef NO_SHA1\n\t\t\tBIO_printf(bio_err,"sha1 ");\n#endif\n#ifndef NO_RIPEMD160\n\t\t\tBIO_printf(bio_err,"rmd160");\n#endif\n#if !defined(NO_MD2) || !defined(NO_MDC2) || !defined(NO_MD4) || !defined(NO_MD5) || !defined(NO_SHA1) || !defined(NO_RIPEMD160)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n#ifndef NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea-cbc ");\n#endif\n#ifndef NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2-cbc ");\n#endif\n#ifndef NO_RC5\n\t\t\tBIO_printf(bio_err,"rc5-cbc ");\n#endif\n#ifndef NO_BF\n\t\t\tBIO_printf(bio_err,"bf-cbc");\n#endif\n#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_BF) || !defined(NO_RC5)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"des-cbc des-ede3 ");\n#ifndef NO_RC4\n\t\t\tBIO_printf(bio_err,"rc4");\n#endif\n\t\t\tBIO_printf(bio_err,"\\n");\n#ifndef NO_RSA\n\t\t\tBIO_printf(bio_err,"rsa512 rsa1024 rsa2048 rsa4096\\n");\n#endif\n#ifndef NO_DSA\n\t\t\tBIO_printf(bio_err,"dsa512 dsa1024 dsa2048\\n");\n#endif\n#ifndef NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea ");\n#endif\n#ifndef NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2 ");\n#endif\n#ifndef NO_DES\n\t\t\tBIO_printf(bio_err,"des ");\n#endif\n#ifndef NO_RSA\n\t\t\tBIO_printf(bio_err,"rsa ");\n#endif\n#ifndef NO_BF\n\t\t\tBIO_printf(bio_err,"blowfish");\n#endif\n#if !defined(NO_IDEA) || !defined(NO_RC2) || !defined(NO_DES) || !defined(NO_RSA) || !defined(NO_BF)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n#ifdef TIMES\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\tBIO_printf(bio_err,"Available options:\\n");\n\t\t\tBIO_printf(bio_err,"-elapsed measure time in real time instead of CPU user time.\\n");\n#endif\n\t\t\tgoto end;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\tj++;\n\t\t}\n\tif (j == 0)\n\t\t{\n\t\tfor (i=0; i<ALGOR_NUM; i++)\n\t\t\tdoit[i]=1;\n\t\tfor (i=0; i<RSA_NUM; i++)\n\t\t\trsa_doit[i]=1;\n\t\tfor (i=0; i<DSA_NUM; i++)\n\t\t\tdsa_doit[i]=1;\n\t\t}\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tif (doit[i]) pr_header++;\n\tif (usertime == 0)\n\t\tBIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\\n");\n\tif (usertime <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"To get the most accurate results, try to run this\\n");\n\t\tBIO_printf(bio_err,"program when this computer is idle.\\n");\n\t\t}\n#ifndef NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\t{\n\t\tunsigned char *p;\n\t\tp=rsa_data[i];\n\t\trsa_key[i]=d2i_RSAPrivateKey(NULL,&p,rsa_data_length[i]);\n\t\tif (rsa_key[i] == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"internal error loading RSA key number %d\\n",i);\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Loaded RSA key, %d bit modulus and e= 0x",BN_num_bits(rsa_key[i]->n));\n\t\t\tBN_print(bio_err,rsa_key[i]->e);\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t}\n#endif\n\t\t}\n#endif\n#ifndef NO_DSA\n\tdsa_key[0]=get_dsa512();\n\tdsa_key[1]=get_dsa1024();\n\tdsa_key[2]=get_dsa2048();\n#endif\n#ifndef NO_DES\n\tdes_set_key_unchecked(&key,sch);\n\tdes_set_key_unchecked(&key2,sch2);\n\tdes_set_key_unchecked(&key3,sch3);\n#endif\n#ifndef NO_IDEA\n\tidea_set_encrypt_key(key16,&idea_ks);\n#endif\n#ifndef NO_RC4\n\tRC4_set_key(&rc4_ks,16,key16);\n#endif\n#ifndef NO_RC2\n\tRC2_set_key(&rc2_ks,16,key16,128);\n#endif\n#ifndef NO_RC5\n\tRC5_32_set_key(&rc5_ks,16,key16,12);\n#endif\n#ifndef NO_BF\n\tBF_set_key(&bf_ks,16,key16);\n#endif\n#ifndef NO_CAST\n\tCAST_set_key(&cast_ks,16,key16);\n#endif\n#ifndef NO_RSA\n\tmemset(rsa_c,0,sizeof(rsa_c));\n#endif\n#ifndef SIGALRM\n#ifndef NO_DES\n\tBIO_printf(bio_err,"First we calculate the approximate speed ...\\n");\n\tcount=10;\n\tdo\t{\n\t\tlong i;\n\t\tcount*=2;\n\t\tTime_F(START,usertime);\n\t\tfor (i=count; i; i--)\n\t\t\tdes_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,\n\t\t\t\t&(sch[0]),DES_ENCRYPT);\n\t\td=Time_F(STOP,usertime);\n\t\t} while (d <3);\n\tc[D_MD2][0]=count/10;\n\tc[D_MDC2][0]=count/10;\n\tc[D_MD4][0]=count;\n\tc[D_MD5][0]=count;\n\tc[D_HMAC][0]=count;\n\tc[D_SHA1][0]=count;\n\tc[D_RMD160][0]=count;\n\tc[D_RC4][0]=count*5;\n\tc[D_CBC_DES][0]=count;\n\tc[D_EDE3_DES][0]=count/3;\n\tc[D_CBC_IDEA][0]=count;\n\tc[D_CBC_RC2][0]=count;\n\tc[D_CBC_RC5][0]=count;\n\tc[D_CBC_BF][0]=count;\n\tc[D_CBC_CAST][0]=count;\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tc[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD4][i]=c[D_MD4][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];\n\t\tc[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];\n\t\tc[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];\n\t\tc[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];\n\t\t}\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tlong l0,l1;\n\t\tl0=(long)lengths[i-1];\n\t\tl1=(long)lengths[i];\n\t\tc[D_RC4][i]=c[D_RC4][i-1]*l0/l1;\n\t\tc[D_CBC_DES][i]=c[D_CBC_DES][i-1]*l0/l1;\n\t\tc[D_EDE3_DES][i]=c[D_EDE3_DES][i-1]*l0/l1;\n\t\tc[D_CBC_IDEA][i]=c[D_CBC_IDEA][i-1]*l0/l1;\n\t\tc[D_CBC_RC2][i]=c[D_CBC_RC2][i-1]*l0/l1;\n\t\tc[D_CBC_RC5][i]=c[D_CBC_RC5][i-1]*l0/l1;\n\t\tc[D_CBC_BF][i]=c[D_CBC_BF][i-1]*l0/l1;\n\t\tc[D_CBC_CAST][i]=c[D_CBC_CAST][i-1]*l0/l1;\n\t\t}\n#ifndef NO_RSA\n\trsa_c[R_RSA_512][0]=count/2000;\n\trsa_c[R_RSA_512][1]=count/400;\n\tfor (i=1; i<RSA_NUM; i++)\n\t\t{\n\t\trsa_c[i][0]=rsa_c[i-1][0]/8;\n\t\trsa_c[i][1]=rsa_c[i-1][1]/4;\n\t\tif ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))\n\t\t\trsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (rsa_c[i][0] == 0)\n\t\t\t\t{\n\t\t\t\trsa_c[i][0]=1;\n\t\t\t\trsa_c[i][1]=20;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#endif\n\tdsa_c[R_DSA_512][0]=count/1000;\n\tdsa_c[R_DSA_512][1]=count/1000/2;\n\tfor (i=1; i<DSA_NUM; i++)\n\t\t{\n\t\tdsa_c[i][0]=dsa_c[i-1][0]/4;\n\t\tdsa_c[i][1]=dsa_c[i-1][1]/4;\n\t\tif ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))\n\t\t\tdsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (dsa_c[i] == 0)\n\t\t\t\t{\n\t\t\t\tdsa_c[i][0]=1;\n\t\t\t\tdsa_c[i][1]=1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#define COND(d)\t(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)\t(run)\n#define COUNT(d) (count)\n\tsignal(SIGALRM,sig_done);\n#endif\n#ifndef NO_MD2\n\tif (doit[D_MD2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD2],c[D_MD2][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MD2][j]); count++)\n\t\t\t\tMD2(buf,(unsigned long)lengths[j],&(md2[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD2],d);\n\t\t\tresults[D_MD2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MDC2\n\tif (doit[D_MDC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MDC2],c[D_MDC2][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MDC2][j]); count++)\n\t\t\t\tMDC2(buf,(unsigned long)lengths[j],&(mdc2[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MDC2],d);\n\t\t\tresults[D_MDC2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MD4\n\tif (doit[D_MD4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD4],c[D_MD4][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MD4][j]); count++)\n\t\t\t\tMD4(&(buf[0]),(unsigned long)lengths[j],&(md4[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD4],d);\n\t\t\tresults[D_MD4][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MD5\n\tif (doit[D_MD5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD5],c[D_MD5][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_MD5][j]); count++)\n\t\t\t\tMD5(&(buf[0]),(unsigned long)lengths[j],&(md5[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD5],d);\n\t\t\tresults[D_MD5][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#if !defined(NO_MD5) && !defined(NO_HMAC)\n\tif (doit[D_HMAC])\n\t\t{\n\t\tHMAC_CTX hctx;\n\t\tHMAC_Init(&hctx,(unsigned char *)"This is a key...",\n\t\t\t16,EVP_md5());\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_HMAC][j]); count++)\n\t\t\t\t{\n\t\t\t\tHMAC_Init(&hctx,NULL,0,NULL);\n HMAC_Update(&hctx,buf,lengths[j]);\n HMAC_Final(&hctx,&(hmac[0]),NULL);\n\t\t\t\t}\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_HMAC],d);\n\t\t\tresults[D_HMAC][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_SHA\n\tif (doit[D_SHA1])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_SHA1][j]); count++)\n\t\t\t\tSHA1(buf,(unsigned long)lengths[j],&(sha[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_SHA1],d);\n\t\t\tresults[D_SHA1][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RIPEMD\n\tif (doit[D_RMD160])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RMD160],c[D_RMD160][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_RMD160][j]); count++)\n\t\t\t\tRIPEMD160(buf,(unsigned long)lengths[j],&(rmd160[0]));\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_RMD160],d);\n\t\t\tresults[D_RMD160][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC4\n\tif (doit[D_RC4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RC4],c[D_RC4][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_RC4][j]); count++)\n\t\t\t\tRC4(&rc4_ks,(unsigned int)lengths[j],\n\t\t\t\t\tbuf,buf);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_RC4],d);\n\t\t\tresults[D_RC4][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_DES\n\tif (doit[D_CBC_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_DES],c[D_CBC_DES][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_DES][j]); count++)\n\t\t\t\tdes_ncbc_encrypt(buf,buf,lengths[j],sch,\n\t\t\t\t\t\t &iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_DES],d);\n\t\t\tresults[D_CBC_DES][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n\tif (doit[D_EDE3_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_EDE3_DES],c[D_EDE3_DES][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)\n\t\t\t\tdes_ede3_cbc_encrypt(buf,buf,lengths[j],\n\t\t\t\t\t\t sch,sch2,sch3,\n\t\t\t\t\t\t &iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_EDE3_DES],d);\n\t\t\tresults[D_EDE3_DES][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_IDEA\n\tif (doit[D_CBC_IDEA])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_IDEA],c[D_CBC_IDEA][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_IDEA][j]); count++)\n\t\t\t\tidea_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&idea_ks,\n\t\t\t\t\tiv,IDEA_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_IDEA],d);\n\t\t\tresults[D_CBC_IDEA][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC2\n\tif (doit[D_CBC_RC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC2],c[D_CBC_RC2][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC2][j]); count++)\n\t\t\t\tRC2_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc2_ks,\n\t\t\t\t\tiv,RC2_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_RC2],d);\n\t\t\tresults[D_CBC_RC2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC5\n\tif (doit[D_CBC_RC5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC5],c[D_CBC_RC5][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC5][j]); count++)\n\t\t\t\tRC5_32_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc5_ks,\n\t\t\t\t\tiv,RC5_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_RC5],d);\n\t\t\tresults[D_CBC_RC5][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_BF\n\tif (doit[D_CBC_BF])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_BF],c[D_CBC_BF][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_BF][j]); count++)\n\t\t\t\tBF_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&bf_ks,\n\t\t\t\t\tiv,BF_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_BF],d);\n\t\t\tresults[D_CBC_BF][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_CAST\n\tif (doit[D_CBC_CAST])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_CAST],c[D_CBC_CAST][j],lengths[j]);\n\t\t\tTime_F(START,usertime);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_CAST][j]); count++)\n\t\t\t\tCAST_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&cast_ks,\n\t\t\t\t\tiv,CAST_ENCRYPT);\n\t\t\td=Time_F(STOP,usertime);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_CAST],d);\n\t\t\tresults[D_CBC_CAST][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n\tRAND_pseudo_bytes(buf,36);\n#ifndef NO_RSA\n\tfor (j=0; j<RSA_NUM; j++)\n\t\t{\n\t\tint ret;\n\t\tif (!rsa_doit[j]) continue;\n\t\tret=RSA_sign(NID_md5_sha1, buf,36, buf2, &rsa_num, rsa_key[j]);\n\t\tpkey_print_message("private","rsa",rsa_c[j][0],rsa_bits[j],\n\t\t\tRSA_SECONDS);\n\t\tTime_F(START,usertime);\n\t\tfor (count=0,run=1; COND(rsa_c[j][0]); count++)\n\t\t\t{\n\t\t\tret=RSA_sign(NID_md5_sha1, buf,36, buf2, &rsa_num,\n\t\t\t\t\t\t\t\t rsa_key[j]);\n\t\t\tif (ret <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RSA private encrypt failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP,usertime);\n\t\tBIO_printf(bio_err,"%ld %d bit private RSA\'s in %.2fs\\n",\n\t\t\tcount,rsa_bits[j],d);\n\t\trsa_results[j][0]=d/(double)count;\n\t\trsa_count=count;\n#if 1\n\t\tret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num, rsa_key[j]);\n\t\tpkey_print_message("public","rsa",rsa_c[j][1],rsa_bits[j],\n\t\t\tRSA_SECONDS);\n\t\tTime_F(START,usertime);\n\t\tfor (count=0,run=1; COND(rsa_c[j][1]); count++)\n\t\t\t{\n\t\t\tret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num,\n\t\t\t\t\t\t\t\trsa_key[j]);\n\t\t\tif (ret <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RSA verify failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP,usertime);\n\t\tBIO_printf(bio_err,"%ld %d bit public RSA\'s in %.2fs\\n",\n\t\t\tcount,rsa_bits[j],d);\n\t\trsa_results[j][1]=d/(double)count;\n#endif\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<RSA_NUM; j++)\n\t\t\t\trsa_doit[j]=0;\n\t\t\t}\n\t\t}\n#endif\n\tRAND_pseudo_bytes(buf,20);\n#ifndef NO_DSA\n\tif (RAND_status() != 1)\n\t\t{\n\t\tRAND_seed(rnd_seed, sizeof rnd_seed);\n\t\trnd_fake = 1;\n\t\t}\n\tfor (j=0; j<DSA_NUM; j++)\n\t\t{\n\t\tunsigned int kk;\n\t\tif (!dsa_doit[j]) continue;\n\t\tDSA_generate_key(dsa_key[j]);\n\t\trsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t&kk,dsa_key[j]);\n\t\tpkey_print_message("sign","dsa",dsa_c[j][0],dsa_bits[j],\n\t\t\tDSA_SECONDS);\n\t\tTime_F(START,usertime);\n\t\tfor (count=0,run=1; COND(dsa_c[j][0]); count++)\n\t\t\t{\n\t\t\trsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\t&kk,dsa_key[j]);\n\t\t\tif (rsa_num == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DSA sign failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP,usertime);\n\t\tBIO_printf(bio_err,"%ld %d bit DSA signs in %.2fs\\n",\n\t\t\tcount,dsa_bits[j],d);\n\t\tdsa_results[j][0]=d/(double)count;\n\t\trsa_count=count;\n\t\trsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\tkk,dsa_key[j]);\n\t\tpkey_print_message("verify","dsa",dsa_c[j][1],dsa_bits[j],\n\t\t\tDSA_SECONDS);\n\t\tTime_F(START,usertime);\n\t\tfor (count=0,run=1; COND(dsa_c[j][1]); count++)\n\t\t\t{\n\t\t\trsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\tkk,dsa_key[j]);\n\t\t\tif (rsa_num2 == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DSA verify failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP,usertime);\n\t\tBIO_printf(bio_err,"%ld %d bit DSA verify in %.2fs\\n",\n\t\t\tcount,dsa_bits[j],d);\n\t\tdsa_results[j][1]=d/(double)count;\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<DSA_NUM; j++)\n\t\t\t\tdsa_doit[j]=0;\n\t\t\t}\n\t\t}\n\tif (rnd_fake) RAND_cleanup();\n#endif\n\tfprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_VERSION));\n fprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_BUILT_ON));\n\tprintf("options:");\n\tprintf("%s ",BN_options());\n#ifndef NO_MD2\n\tprintf("%s ",MD2_options());\n#endif\n#ifndef NO_RC4\n\tprintf("%s ",RC4_options());\n#endif\n#ifndef NO_DES\n\tprintf("%s ",des_options());\n#endif\n#ifndef NO_IDEA\n\tprintf("%s ",idea_options());\n#endif\n#ifndef NO_BF\n\tprintf("%s ",BF_options());\n#endif\n\tfprintf(stdout,"\\n%s\\n",SSLeay_version(SSLEAY_CFLAGS));\n\tif (pr_header)\n\t\t{\n\t\tfprintf(stdout,"The \'numbers\' are in 1000s of bytes per second processed.\\n");\n\t\tfprintf(stdout,"type ");\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\tfprintf(stdout,"%7d bytes",lengths[j]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n\tfor (k=0; k<ALGOR_NUM; k++)\n\t\t{\n\t\tif (!doit[k]) continue;\n\t\tfprintf(stdout,"%-13s",names[k]);\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tif (results[k][j] > 10000)\n\t\t\t\tfprintf(stdout," %11.2fk",results[k][j]/1e3);\n\t\t\telse\n\t\t\t\tfprintf(stdout," %11.2f ",results[k][j]);\n\t\t\t}\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#ifndef NO_RSA\n\tj=1;\n\tfor (k=0; k<RSA_NUM; k++)\n\t\t{\n\t\tif (!rsa_doit[k]) continue;\n\t\tif (j)\n\t\t\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tfprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",\n\t\t\trsa_bits[k],rsa_results[k][0],rsa_results[k][1],\n\t\t\t1.0/rsa_results[k][0],1.0/rsa_results[k][1]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#endif\n#ifndef NO_DSA\n\tj=1;\n\tfor (k=0; k<DSA_NUM; k++)\n\t\t{\n\t\tif (!dsa_doit[k]) continue;\n\t\tif (j)\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tfprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",\n\t\t\tdsa_bits[k],dsa_results[k][0],dsa_results[k][1],\n\t\t\t1.0/dsa_results[k][0],1.0/dsa_results[k][1]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#endif\n\tmret=0;\nend:\n\tif (buf != NULL) OPENSSL_free(buf);\n\tif (buf2 != NULL) OPENSSL_free(buf2);\n#ifndef NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\tif (rsa_key[i] != NULL)\n\t\t\tRSA_free(rsa_key[i]);\n#endif\n#ifndef NO_DSA\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tif (dsa_key[i] != NULL)\n\t\t\tDSA_free(dsa_key[i]);\n#endif\n\tEXIT(mret);\n\t}'] |
15,684 | 1 | https://github.com/openssl/openssl/blob/f75d5171be0b3b5419c8974133e1573cf976a8bb/crypto/bn/bn_ctx.c/#L332 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['DSA_SIG *gost_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)\n{\n BIGNUM *k = NULL, *tmp = NULL, *tmp2 = NULL;\n DSA_SIG *newsig = NULL, *ret = NULL;\n BIGNUM *md = hashsum2bn(dgst);\n BN_CTX *ctx = BN_CTX_new();\n if (!ctx) {\n GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BN_CTX_start(ctx);\n newsig = DSA_SIG_new();\n if (!newsig) {\n GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n tmp = BN_CTX_get(ctx);\n k = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n if (!tmp || !k || !tmp2) {\n GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BN_mod(tmp, md, dsa->q, ctx);\n if (BN_is_zero(tmp)) {\n BN_one(md);\n }\n do {\n do {\n BN_rand_range(k, dsa->q);\n BN_mod_exp(tmp, dsa->g, k, dsa->p, ctx);\n if (!(newsig->r)) {\n newsig->r = BN_new();\n if (!newsig->r) {\n GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n BN_mod(newsig->r, tmp, dsa->q, ctx);\n }\n while (BN_is_zero(newsig->r));\n BN_mod_mul(tmp, dsa->priv_key, newsig->r, dsa->q, ctx);\n BN_mod_mul(tmp2, k, md, dsa->q, ctx);\n if (!newsig->s) {\n newsig->s = BN_new();\n if (!newsig->s) {\n GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n BN_mod_add(newsig->s, tmp, tmp2, dsa->q, ctx);\n }\n while (BN_is_zero(newsig->s));\n ret = newsig;\n err:\n BN_free(md);\n if (ctx)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n if (!ret)\n DSA_SIG_free(newsig);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', '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_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n BN_MONT_CTX *mont = NULL;\n int b, bits, ret = 0;\n int r_is_one;\n BN_ULONG w, next_w;\n BIGNUM *d, *r, *t;\n BIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n (BN_mul_word(r, (w)) && \\\n ( \\\n (BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))\n#define BN_TO_MONTGOMERY_WORD(r, w, mont) \\\n (BN_set_word(r, (w)) && BN_to_montgomery(r, r, (mont), ctx))\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return -1;\n }\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n if (m->top == 1)\n a %= m->d[0];\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else\n ret = BN_one(rr);\n return ret;\n }\n if (a == 0) {\n BN_zero(rr);\n ret = 1;\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n t = BN_CTX_get(ctx);\n if (d == NULL || r == NULL || t == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n r_is_one = 1;\n w = a;\n for (b = bits - 2; b >= 0; b--) {\n next_w = w * w;\n if ((next_w / w) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = 1;\n }\n w = next_w;\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (BN_is_bit_set(p, b)) {\n next_w = w * a;\n if ((next_w / a) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = a;\n }\n w = next_w;\n }\n }\n if (w != 1) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n }\n if (r_is_one) {\n if (!BN_one(rr))\n goto err;\n } else {\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n }\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return (ret);\n}', 'int BN_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_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}'] |
15,685 | 0 | https://github.com/libav/libav/blob/ab492ca2ab105aeb24d955f3f03756bdb3139ee1/libavcodec/eamad.c/#L148 | static inline void decode_block_intra(MadContext * t, DCTELEM * block)
{
MpegEncContext *s = &t->s;
int level, i, j, run;
RLTable *rl = &ff_rl_mpeg1;
const uint8_t *scantable = s->intra_scantable.permutated;
int16_t *quant_matrix = s->intra_matrix;
block[0] = (128 + get_sbits(&s->gb, 8)) * quant_matrix[0];
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;
j = scantable[i];
level = (level*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 {
UPDATE_CACHE(re, &s->gb);
level = SHOW_SBITS(re, &s->gb, 10); SKIP_BITS(re, &s->gb, 10);
UPDATE_CACHE(re, &s->gb);
run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
i += run;
j = scantable[i];
if (level < 0) {
level = -level;
level = (level*quant_matrix[j]) >> 4;
level = (level-1)|1;
level = -level;
} else {
level = (level*quant_matrix[j]) >> 4;
level = (level-1)|1;
}
}
if (i > 63) {
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return;
}
block[j] = level;
}
CLOSE_READER(re, &s->gb);
}
} | ['static inline void decode_block_intra(MadContext * t, DCTELEM * block)\n{\n MpegEncContext *s = &t->s;\n int level, i, j, run;\n RLTable *rl = &ff_rl_mpeg1;\n const uint8_t *scantable = s->intra_scantable.permutated;\n int16_t *quant_matrix = s->intra_matrix;\n block[0] = (128 + get_sbits(&s->gb, 8)) * quant_matrix[0];\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], TEX_VLC_BITS, 2, 0);\n if (level == 127) {\n break;\n } else if (level != 0) {\n i += run;\n j = scantable[i];\n level = (level*quant_matrix[j]) >> 4;\n level = (level-1)|1;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n } else {\n UPDATE_CACHE(re, &s->gb);\n level = SHOW_SBITS(re, &s->gb, 10); SKIP_BITS(re, &s->gb, 10);\n UPDATE_CACHE(re, &s->gb);\n run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);\n i += run;\n j = scantable[i];\n if (level < 0) {\n level = -level;\n level = (level*quant_matrix[j]) >> 4;\n level = (level-1)|1;\n level = -level;\n } else {\n level = (level*quant_matrix[j]) >> 4;\n level = (level-1)|1;\n }\n }\n if (i > 63) {\n av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\\n", s->mb_x, s->mb_y);\n return;\n }\n block[j] = level;\n }\n CLOSE_READER(re, &s->gb);\n }\n}'] |
15,686 | 0 | https://github.com/openssl/openssl/blob/a44a208442ecf8f576c9e364f8b46b6661c7d2de/crypto/ui/ui_lib.c/#L247 | int UI_dup_input_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize)
{
char *prompt_copy = NULL;
if (prompt) {
prompt_copy = OPENSSL_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_STRING, ERR_R_MALLOC_FAILURE);
return 0;
}
}
return general_allocate_string(ui, prompt_copy, 1,
UIT_PROMPT, flags, result_buf, minsize,
maxsize, NULL);
} | ['int UI_dup_input_string(UI *ui, const char *prompt, int flags,\n char *result_buf, int minsize, int maxsize)\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_INPUT_STRING, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n }\n return general_allocate_string(ui, prompt_copy, 1,\n UIT_PROMPT, flags, result_buf, minsize,\n maxsize, NULL);\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 osslargused(file); osslargused(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}'] |
15,687 | 0 | https://github.com/libav/libav/blob/8a49d2bcbe7573bb4b765728b2578fac0d19763f/libavcodec/avpacket.c/#L69 | int av_new_packet(AVPacket *pkt, int size)
{
AVBufferRef *buf = NULL;
if ((unsigned)size >= (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)
return AVERROR(EINVAL);
av_buffer_realloc(&buf, size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!buf)
return AVERROR(ENOMEM);
memset(buf->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
av_init_packet(pkt);
pkt->buf = buf;
pkt->data = buf->data;
pkt->size = size;
#if FF_API_DESTRUCT_PACKET
pkt->destruct = dummy_destruct_packet;
#endif
return 0;
} | ['static int roq_read_packet(AVFormatContext *s,\n AVPacket *pkt)\n{\n RoqDemuxContext *roq = s->priv_data;\n AVIOContext *pb = s->pb;\n int ret = 0;\n unsigned int chunk_size;\n unsigned int chunk_type;\n unsigned int codebook_size;\n unsigned char preamble[RoQ_CHUNK_PREAMBLE_SIZE];\n int packet_read = 0;\n int64_t codebook_offset;\n while (!packet_read) {\n if (s->pb->eof_reached)\n return AVERROR(EIO);\n if ((ret = avio_read(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE)) !=\n RoQ_CHUNK_PREAMBLE_SIZE)\n return AVERROR(EIO);\n chunk_type = AV_RL16(&preamble[0]);\n chunk_size = AV_RL32(&preamble[2]);\n if(chunk_size > INT_MAX)\n return AVERROR_INVALIDDATA;\n switch (chunk_type) {\n case RoQ_INFO:\n if (roq->video_stream_index == -1) {\n AVStream *st = avformat_new_stream(s, NULL);\n if (!st)\n return AVERROR(ENOMEM);\n avpriv_set_pts_info(st, 63, 1, roq->frame_rate);\n roq->video_stream_index = st->index;\n st->codec->codec_type = AVMEDIA_TYPE_VIDEO;\n st->codec->codec_id = AV_CODEC_ID_ROQ;\n st->codec->codec_tag = 0;\n if (avio_read(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE) != RoQ_CHUNK_PREAMBLE_SIZE)\n return AVERROR(EIO);\n st->codec->width = roq->width = AV_RL16(preamble);\n st->codec->height = roq->height = AV_RL16(preamble + 2);\n break;\n }\n avio_skip(pb, RoQ_CHUNK_PREAMBLE_SIZE);\n break;\n case RoQ_QUAD_CODEBOOK:\n codebook_offset = avio_tell(pb) - RoQ_CHUNK_PREAMBLE_SIZE;\n codebook_size = chunk_size;\n avio_skip(pb, codebook_size);\n if (avio_read(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE) !=\n RoQ_CHUNK_PREAMBLE_SIZE)\n return AVERROR(EIO);\n chunk_size = AV_RL32(&preamble[2]) + RoQ_CHUNK_PREAMBLE_SIZE * 2 +\n codebook_size;\n avio_seek(pb, codebook_offset, SEEK_SET);\n ret= av_get_packet(pb, pkt, chunk_size);\n if (ret != chunk_size)\n return AVERROR(EIO);\n pkt->stream_index = roq->video_stream_index;\n pkt->pts = roq->video_pts++;\n packet_read = 1;\n break;\n case RoQ_SOUND_MONO:\n case RoQ_SOUND_STEREO:\n if (roq->audio_stream_index == -1) {\n AVStream *st = avformat_new_stream(s, NULL);\n if (!st)\n return AVERROR(ENOMEM);\n avpriv_set_pts_info(st, 32, 1, RoQ_AUDIO_SAMPLE_RATE);\n roq->audio_stream_index = st->index;\n st->codec->codec_type = AVMEDIA_TYPE_AUDIO;\n st->codec->codec_id = AV_CODEC_ID_ROQ_DPCM;\n st->codec->codec_tag = 0;\n if (chunk_type == RoQ_SOUND_STEREO) {\n st->codec->channels = 2;\n st->codec->channel_layout = AV_CH_LAYOUT_STEREO;\n } else {\n st->codec->channels = 1;\n st->codec->channel_layout = AV_CH_LAYOUT_MONO;\n }\n roq->audio_channels = st->codec->channels;\n st->codec->sample_rate = RoQ_AUDIO_SAMPLE_RATE;\n st->codec->bits_per_coded_sample = 16;\n st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *\n st->codec->bits_per_coded_sample;\n st->codec->block_align = st->codec->channels * st->codec->bits_per_coded_sample;\n }\n case RoQ_QUAD_VQ:\n if (av_new_packet(pkt, chunk_size + RoQ_CHUNK_PREAMBLE_SIZE))\n return AVERROR(EIO);\n memcpy(pkt->data, preamble, RoQ_CHUNK_PREAMBLE_SIZE);\n if (chunk_type == RoQ_QUAD_VQ) {\n pkt->stream_index = roq->video_stream_index;\n pkt->pts = roq->video_pts++;\n } else {\n pkt->stream_index = roq->audio_stream_index;\n pkt->pts = roq->audio_frame_count;\n roq->audio_frame_count += (chunk_size / roq->audio_channels);\n }\n pkt->pos= avio_tell(pb);\n ret = avio_read(pb, pkt->data + RoQ_CHUNK_PREAMBLE_SIZE,\n chunk_size);\n if (ret != chunk_size)\n ret = AVERROR(EIO);\n packet_read = 1;\n break;\n default:\n av_log(s, AV_LOG_ERROR, " unknown RoQ chunk (%04X)\\n", chunk_type);\n return AVERROR_INVALIDDATA;\n }\n }\n return ret;\n}', 'int av_new_packet(AVPacket *pkt, int size)\n{\n AVBufferRef *buf = NULL;\n if ((unsigned)size >= (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)\n return AVERROR(EINVAL);\n av_buffer_realloc(&buf, size + FF_INPUT_BUFFER_PADDING_SIZE);\n if (!buf)\n return AVERROR(ENOMEM);\n memset(buf->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);\n av_init_packet(pkt);\n pkt->buf = buf;\n pkt->data = buf->data;\n pkt->size = size;\n#if FF_API_DESTRUCT_PACKET\n pkt->destruct = dummy_destruct_packet;\n#endif\n return 0;\n}'] |
15,688 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_shift.c/#L212 | int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, j, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l, tmp;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
rb = n % BN_BITS2;
lb = BN_BITS2 - rb;
if (nw >= a->top || a->top == 0) {
BN_zero(r);
return (1);
}
i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;
if (r != a) {
r->neg = a->neg;
if (bn_wexpand(r, i) == NULL)
return (0);
} else {
if (n == 0)
return 1;
}
f = &(a->d[nw]);
t = r->d;
j = a->top - nw;
r->top = i;
if (rb == 0) {
for (i = j; i != 0; i--)
*(t++) = *(f++);
} else {
l = *(f++);
for (i = j - 1; i != 0; i--) {
tmp = (l >> rb) & BN_MASK2;
l = *(f++);
*(t++) = (tmp | (l << lb)) & BN_MASK2;
}
if ((l = (l >> rb) & BN_MASK2))
*(t) = l;
}
bn_check_top(r);
return (1);
} | ['int test_sqr(BIO *bp, BN_CTX *ctx)\n{\n BIGNUM *a, *c, *d, *e;\n int i, ret = 0;\n a = BN_new();\n c = BN_new();\n d = BN_new();\n e = BN_new();\n if (a == NULL || c == NULL || d == NULL || e == NULL) {\n goto err;\n }\n for (i = 0; i < num0; i++) {\n BN_bntest_rand(a, 40 + i * 10, 0, 0);\n a->neg = rand_neg();\n BN_sqr(c, a, ctx);\n if (bp != NULL) {\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " * ");\n BN_print(bp, a);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, c);\n BIO_puts(bp, "\\n");\n }\n BN_div(d, e, c, a, ctx);\n BN_sub(d, d, a);\n if (!BN_is_zero(d) || !BN_is_zero(e)) {\n fprintf(stderr, "Square test failed!\\n");\n goto err;\n }\n }\n BN_hex2bn(&a,\n "80000000000000008000000000000001"\n "FFFFFFFFFFFFFFFE0000000000000000");\n BN_sqr(c, a, ctx);\n if (bp != NULL) {\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " * ");\n BN_print(bp, a);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, c);\n BIO_puts(bp, "\\n");\n }\n BN_mul(d, a, a, ctx);\n if (BN_cmp(c, d)) {\n fprintf(stderr, "Square test failed: BN_sqr and BN_mul produce "\n "different results!\\n");\n goto err;\n }\n BN_hex2bn(&a,\n "80000000000000000000000080000001"\n "FFFFFFFE000000000000000000000000");\n BN_sqr(c, a, ctx);\n if (bp != NULL) {\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " * ");\n BN_print(bp, a);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, c);\n BIO_puts(bp, "\\n");\n }\n BN_mul(d, a, a, ctx);\n if (BN_cmp(c, d)) {\n fprintf(stderr, "Square test failed: BN_sqr and BN_mul produce "\n "different results!\\n");\n goto err;\n }\n ret = 1;\n err:\n BN_free(a);\n BN_free(c);\n BN_free(d);\n BN_free(e);\n return ret;\n}', 'int BN_bntest_rand(BIGNUM *rnd, int bits, int top, int bottom)\n{\n return bnrand(2, rnd, bits, top, bottom);\n}', 'static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)\n{\n unsigned char *buf = NULL;\n int ret = 0, bit, bytes, mask;\n time_t tim;\n if (bits < 0 || (bits == 1 && top > 0)) {\n BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);\n return 0;\n }\n if (bits == 0) {\n BN_zero(rnd);\n return 1;\n }\n bytes = (bits + 7) / 8;\n bit = (bits - 1) % 8;\n mask = 0xff << (bit + 1);\n buf = OPENSSL_malloc(bytes);\n if (buf == NULL) {\n BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n time(&tim);\n RAND_add(&tim, sizeof(tim), 0.0);\n if (pseudorand) {\n if (RAND_bytes(buf, bytes) <= 0)\n goto err;\n } else {\n if (RAND_bytes(buf, bytes) <= 0)\n goto err;\n }\n if (pseudorand == 2) {\n int i;\n unsigned char c;\n for (i = 0; i < bytes; i++) {\n if (RAND_bytes(&c, 1) <= 0)\n goto err;\n if (c >= 128 && i > 0)\n buf[i] = buf[i - 1];\n else if (c < 42)\n buf[i] = 0;\n else if (c < 84)\n buf[i] = 255;\n }\n }\n if (top >= 0) {\n if (top) {\n if (bit == 0) {\n buf[0] = 1;\n buf[1] |= 0x80;\n } else {\n buf[0] |= (3 << (bit - 1));\n }\n } else {\n buf[0] |= (1 << bit);\n }\n }\n buf[0] &= ~mask;\n if (bottom)\n buf[bytes - 1] |= 1;\n if (!BN_bin2bn(buf, bytes, rnd))\n goto err;\n ret = 1;\n err:\n OPENSSL_clear_free(buf, bytes);\n bn_check_top(rnd);\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 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}', '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_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 r->neg = a->neg;\n if (bn_wexpand(r, i) == NULL)\n return (0);\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 bn_check_top(r);\n return (1);\n}'] |
15,689 | 0 | https://github.com/openssl/openssl/blob/e3713c365c2657236439fea00822a43aa396d112/crypto/ocsp/ocsp_ext.c/#L271 | static int ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts,
unsigned char *val, int len)
{
unsigned char *tmpval;
ASN1_OCTET_STRING os;
int ret = 0;
if (len <= 0)
len = OCSP_DEFAULT_NONCE_LENGTH;
os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);
if (os.length < 0)
return 0;
os.data = OPENSSL_malloc(os.length);
if (os.data == NULL)
goto err;
tmpval = os.data;
ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);
if (val)
memcpy(tmpval, val, len);
else if (RAND_bytes(tmpval, len) <= 0)
goto err;
if (!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce,
&os, 0, X509V3_ADD_REPLACE))
goto err;
ret = 1;
err:
OPENSSL_free(os.data);
return ret;
} | ['static int ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts,\n unsigned char *val, int len)\n{\n unsigned char *tmpval;\n ASN1_OCTET_STRING os;\n int ret = 0;\n if (len <= 0)\n len = OCSP_DEFAULT_NONCE_LENGTH;\n os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);\n if (os.length < 0)\n return 0;\n os.data = OPENSSL_malloc(os.length);\n if (os.data == NULL)\n goto err;\n tmpval = os.data;\n ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);\n if (val)\n memcpy(tmpval, val, len);\n else if (RAND_bytes(tmpval, len) <= 0)\n goto err;\n if (!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce,\n &os, 0, X509V3_ADD_REPLACE))\n goto err;\n ret = 1;\n err:\n OPENSSL_free(os.data);\n return ret;\n}', 'int ASN1_object_size(int constructed, int length, int tag)\n{\n int ret = 1;\n if (length < 0)\n return -1;\n if (tag >= 31) {\n while (tag > 0) {\n tag >>= 7;\n ret++;\n }\n }\n if (constructed == 2) {\n ret += 3;\n } else {\n ret++;\n if (length > 127) {\n int tmplen = length;\n while (tmplen > 0) {\n tmplen >>= 8;\n ret++;\n }\n }\n }\n if (ret >= INT_MAX - length)\n return -1;\n return ret + length;\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}'] |
15,690 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/x509/x509_obj.c/#L57 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_IA5STRING) {
if (num > (int)sizeof(ebcdic_buf))
num = sizeof(ebcdic_buf);
ascii2ebcdic(ebcdic_buf, q, num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | ['STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,\n GENERAL_NAME *gen,\n STACK_OF(CONF_VALUE) *ret)\n{\n unsigned char *p;\n char oline[256], htmp[5];\n int i;\n switch (gen->type) {\n case GEN_OTHERNAME:\n X509V3_add_value("othername", "<unsupported>", &ret);\n break;\n case GEN_X400:\n X509V3_add_value("X400Name", "<unsupported>", &ret);\n break;\n case GEN_EDIPARTY:\n X509V3_add_value("EdiPartyName", "<unsupported>", &ret);\n break;\n case GEN_EMAIL:\n X509V3_add_value_uchar("email", gen->d.ia5->data, &ret);\n break;\n case GEN_DNS:\n X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret);\n break;\n case GEN_URI:\n X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret);\n break;\n case GEN_DIRNAME:\n X509_NAME_oneline(gen->d.dirn, oline, 256);\n X509V3_add_value("DirName", oline, &ret);\n break;\n case GEN_IPADD:\n p = gen->d.ip->data;\n if (gen->d.ip->length == 4)\n BIO_snprintf(oline, sizeof oline,\n "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);\n else if (gen->d.ip->length == 16) {\n oline[0] = 0;\n for (i = 0; i < 8; i++) {\n BIO_snprintf(htmp, sizeof htmp, "%X", p[0] << 8 | p[1]);\n p += 2;\n strcat(oline, htmp);\n if (i != 7)\n strcat(oline, ":");\n }\n } else {\n X509V3_add_value("IP Address", "<invalid>", &ret);\n break;\n }\n X509V3_add_value("IP Address", oline, &ret);\n break;\n case GEN_RID:\n i2t_ASN1_OBJECT(oline, 256, gen->d.rid);\n X509V3_add_value("Registered ID", oline, &ret);\n break;\n }\n return ret;\n}', 'char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)\n{\n X509_NAME_ENTRY *ne;\n int i;\n int n, lold, l, l1, l2, num, j, type;\n const char *s;\n char *p;\n unsigned char *q;\n BUF_MEM *b = NULL;\n static const char hex[17] = "0123456789ABCDEF";\n int gs_doit[4];\n char tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n unsigned char ebcdic_buf[1024];\n#endif\n if (buf == NULL) {\n if ((b = BUF_MEM_new()) == NULL)\n goto err;\n if (!BUF_MEM_grow(b, 200))\n goto err;\n b->data[0] = \'\\0\';\n len = 200;\n } else if (len == 0) {\n return NULL;\n }\n if (a == NULL) {\n if (b) {\n buf = b->data;\n OPENSSL_free(b);\n }\n strncpy(buf, "NO X509_NAME", len);\n buf[len - 1] = \'\\0\';\n return buf;\n }\n len--;\n l = 0;\n for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {\n ne = sk_X509_NAME_ENTRY_value(a->entries, i);\n n = OBJ_obj2nid(ne->object);\n if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {\n i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);\n s = tmp_buf;\n }\n l1 = strlen(s);\n type = ne->value->type;\n num = ne->value->length;\n if (num > NAME_ONELINE_MAX) {\n X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);\n goto end;\n }\n q = ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n type == V_ASN1_VISIBLESTRING ||\n type == V_ASN1_PRINTABLESTRING ||\n type == V_ASN1_TELETEXSTRING ||\n type == V_ASN1_IA5STRING) {\n if (num > (int)sizeof(ebcdic_buf))\n num = sizeof(ebcdic_buf);\n ascii2ebcdic(ebcdic_buf, q, num);\n q = ebcdic_buf;\n }\n#endif\n if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;\n for (j = 0; j < num; j++)\n if (q[j] != 0)\n gs_doit[j & 3] = 1;\n if (gs_doit[0] | gs_doit[1] | gs_doit[2])\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n else {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;\n gs_doit[3] = 1;\n }\n } else\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n for (l2 = j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n l2++;\n#ifndef CHARSET_EBCDIC\n if ((q[j] < \' \') || (q[j] > \'~\'))\n l2 += 3;\n#else\n if ((os_toascii[q[j]] < os_toascii[\' \']) ||\n (os_toascii[q[j]] > os_toascii[\'~\']))\n l2 += 3;\n#endif\n }\n lold = l;\n l += 1 + l1 + 1 + l2;\n if (l > NAME_ONELINE_MAX) {\n X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);\n goto end;\n }\n if (b != NULL) {\n if (!BUF_MEM_grow(b, l + 1))\n goto err;\n p = &(b->data[lold]);\n } else if (l > len) {\n break;\n } else\n p = &(buf[lold]);\n *(p++) = \'/\';\n memcpy(p, s, (unsigned int)l1);\n p += l1;\n *(p++) = \'=\';\n#ifndef CHARSET_EBCDIC\n q = ne->value->data;\n#endif\n for (j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n#ifndef CHARSET_EBCDIC\n n = q[j];\n if ((n < \' \') || (n > \'~\')) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = n;\n#else\n n = os_toascii[q[j]];\n if ((n < os_toascii[\' \']) || (n > os_toascii[\'~\'])) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = q[j];\n#endif\n }\n *p = \'\\0\';\n }\n if (b != NULL) {\n p = b->data;\n OPENSSL_free(b);\n } else\n p = buf;\n if (i == 0)\n *p = \'\\0\';\n return (p);\n err:\n X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);\n end:\n BUF_MEM_free(b);\n return (NULL);\n}'] |
15,691 | 0 | https://github.com/libav/libav/blob/dedfa00107dbbb319d0e33faac683557b86d1007/libavformat/utils.c/#L481 | static int probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
{
if(st->codec->codec_id == AV_CODEC_ID_PROBE){
AVProbeData *pd = &st->probe_data;
av_log(s, AV_LOG_DEBUG, "probing stream %d\n", st->index);
--st->probe_packets;
if (pkt) {
int err;
if ((err = av_reallocp(&pd->buf, pd->buf_size + pkt->size +
AVPROBE_PADDING_SIZE)) < 0)
return err;
memcpy(pd->buf+pd->buf_size, pkt->data, pkt->size);
pd->buf_size += pkt->size;
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
} else {
st->probe_packets = 0;
if (!pd->buf_size) {
av_log(s, AV_LOG_ERROR, "nothing to probe for stream %d\n",
st->index);
return 0;
}
}
if (!st->probe_packets ||
av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)) {
set_codec_from_probe_data(s, st, pd, st->probe_packets > 0 ? AVPROBE_SCORE_MAX/4 : 0);
if(st->codec->codec_id != AV_CODEC_ID_PROBE){
pd->buf_size=0;
av_freep(&pd->buf);
av_log(s, AV_LOG_DEBUG, "probed stream %d\n", st->index);
}
}
}
return 0;
} | ['static int probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)\n{\n if(st->codec->codec_id == AV_CODEC_ID_PROBE){\n AVProbeData *pd = &st->probe_data;\n av_log(s, AV_LOG_DEBUG, "probing stream %d\\n", st->index);\n --st->probe_packets;\n if (pkt) {\n int err;\n if ((err = av_reallocp(&pd->buf, pd->buf_size + pkt->size +\n AVPROBE_PADDING_SIZE)) < 0)\n return err;\n memcpy(pd->buf+pd->buf_size, pkt->data, pkt->size);\n pd->buf_size += pkt->size;\n memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);\n } else {\n st->probe_packets = 0;\n if (!pd->buf_size) {\n av_log(s, AV_LOG_ERROR, "nothing to probe for stream %d\\n",\n st->index);\n return 0;\n }\n }\n if (!st->probe_packets ||\n av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)) {\n set_codec_from_probe_data(s, st, pd, st->probe_packets > 0 ? AVPROBE_SCORE_MAX/4 : 0);\n if(st->codec->codec_id != AV_CODEC_ID_PROBE){\n pd->buf_size=0;\n av_freep(&pd->buf);\n av_log(s, AV_LOG_DEBUG, "probed stream %d\\n", st->index);\n }\n }\n }\n return 0;\n}', 'int av_reallocp(void *ptr, size_t size)\n{\n void **ptrptr = ptr;\n void *ret;\n if (!size) {\n av_freep(ptr);\n return 0;\n }\n ret = av_realloc(*ptrptr, size);\n if (!ret) {\n av_freep(ptr);\n return AVERROR(ENOMEM);\n }\n *ptrptr = ret;\n return 0;\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)\n return av_malloc(size);\n diff = ((char *)ptr)[-1];\n return (char *)realloc((char *)ptr - diff, size + diff) + diff;\n#elif HAVE_ALIGNED_MALLOC\n return _aligned_realloc(ptr, size, 32);\n#else\n return realloc(ptr, size);\n#endif\n}'] |
15,692 | 1 | https://github.com/libav/libav/blob/fe80fa53bc4977ef6e8e749a9df8ca5590a09307/libavutil/frame.c/#L277 | void av_frame_unref(AVFrame *frame)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
av_freep(&frame->side_data[i]->data);
av_dict_free(&frame->side_data[i]->metadata);
av_freep(&frame->side_data[i]);
}
av_freep(&frame->side_data);
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
av_buffer_unref(&frame->buf[i]);
for (i = 0; i < frame->nb_extended_buf; i++)
av_buffer_unref(&frame->extended_buf[i]);
av_freep(&frame->extended_buf);
get_frame_defaults(frame);
} | ['static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,\n AVPacket *avpkt)\n{\n AVFrame *frame = data;\n const uint8_t *buf = avpkt->data;\n const uint8_t *buf_end = buf + avpkt->size;\n KgvContext * const c = avctx->priv_data;\n int offsets[8];\n uint16_t *out, *prev;\n int outcnt = 0, maxcnt;\n int w, h, i, res;\n if (avpkt->size < 2)\n return AVERROR_INVALIDDATA;\n w = (buf[0] + 1) * 8;\n h = (buf[1] + 1) * 8;\n buf += 2;\n if (w != avctx->width || h != avctx->height) {\n av_frame_unref(c->prev);\n if ((res = ff_set_dimensions(avctx, w, h)) < 0)\n return res;\n }\n maxcnt = w * h;\n if ((res = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)\n return res;\n out = (uint16_t *) frame->data[0];\n if (c->prev->data[0]) {\n prev = (uint16_t *) c->prev->data[0];\n } else {\n prev = NULL;\n }\n for (i = 0; i < 8; i++)\n offsets[i] = -1;\n while (outcnt < maxcnt && buf_end - 2 > buf) {\n int code = AV_RL16(buf);\n buf += 2;\n if (!(code & 0x8000)) {\n out[outcnt++] = code;\n } else {\n int count;\n int inp_off;\n uint16_t *inp;\n if ((code & 0x6000) == 0x6000) {\n int oidx = (code >> 10) & 7;\n int start;\n count = (code & 0x3FF) + 3;\n if (offsets[oidx] < 0) {\n if (buf_end - 3 < buf)\n break;\n offsets[oidx] = AV_RL24(buf);\n buf += 3;\n }\n start = (outcnt + offsets[oidx]) % maxcnt;\n if (maxcnt - start < count)\n break;\n if (!prev) {\n av_log(avctx, AV_LOG_ERROR,\n "Frame reference does not exist\\n");\n break;\n }\n inp = prev;\n inp_off = start;\n } else {\n int offset = (code & 0x1FFF) + 1;\n if (!(code & 0x6000)) {\n count = 2;\n } else if ((code & 0x6000) == 0x2000) {\n count = 3;\n } else {\n if (buf_end - 1 < buf)\n break;\n count = 4 + *buf++;\n }\n if (outcnt < offset)\n break;\n inp = out;\n inp_off = outcnt - offset;\n }\n if (maxcnt - outcnt < count)\n break;\n for (i = inp_off; i < count + inp_off; i++) {\n out[outcnt++] = inp[i];\n }\n }\n }\n if (outcnt - maxcnt)\n av_log(avctx, AV_LOG_DEBUG, "frame finished with %d diff\\n", outcnt - maxcnt);\n av_frame_unref(c->prev);\n if ((res = av_frame_ref(c->prev, frame)) < 0)\n return res;\n *got_frame = 1;\n return avpkt->size;\n}', 'int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)\n{\n int ret;\n switch (avctx->codec_type) {\n case AVMEDIA_TYPE_VIDEO:\n frame->width = FFMAX(avctx->width, avctx->coded_width);\n frame->height = FFMAX(avctx->height, avctx->coded_height);\n if (frame->format < 0)\n frame->format = avctx->pix_fmt;\n if (!frame->sample_aspect_ratio.num)\n frame->sample_aspect_ratio = avctx->sample_aspect_ratio;\n if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)\n return ret;\n break;\n case AVMEDIA_TYPE_AUDIO:\n if (!frame->sample_rate)\n frame->sample_rate = avctx->sample_rate;\n if (frame->format < 0)\n frame->format = avctx->sample_fmt;\n if (!frame->channel_layout) {\n if (avctx->channel_layout) {\n if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=\n avctx->channels) {\n av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "\n "configuration.\\n");\n return AVERROR(EINVAL);\n }\n frame->channel_layout = avctx->channel_layout;\n } else {\n if (avctx->channels > FF_SANE_NB_CHANNELS) {\n av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\\n",\n avctx->channels);\n return AVERROR(ENOSYS);\n }\n frame->channel_layout = av_get_default_channel_layout(avctx->channels);\n if (!frame->channel_layout)\n frame->channel_layout = (1ULL << avctx->channels) - 1;\n }\n }\n break;\n default: return AVERROR(EINVAL);\n }\n frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;\n frame->reordered_opaque = avctx->reordered_opaque;\n#if FF_API_GET_BUFFER\nFF_DISABLE_DEPRECATION_WARNINGS\n if (avctx->get_buffer) {\n CompatReleaseBufPriv *priv = NULL;\n AVBufferRef *dummy_buf = NULL;\n int planes, i, ret;\n if (flags & AV_GET_BUFFER_FLAG_REF)\n frame->reference = 1;\n ret = avctx->get_buffer(avctx, frame);\n if (ret < 0)\n return ret;\n if (frame->buf[0])\n return 0;\n priv = av_mallocz(sizeof(*priv));\n if (!priv) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n priv->avctx = *avctx;\n priv->frame = *frame;\n dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);\n if (!dummy_buf) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n#define WRAP_PLANE(ref_out, data, data_size) \\\ndo { \\\n AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \\\n if (!dummy_ref) { \\\n ret = AVERROR(ENOMEM); \\\n goto fail; \\\n } \\\n ref_out = av_buffer_create(data, data_size, compat_release_buffer, \\\n dummy_ref, 0); \\\n if (!ref_out) { \\\n av_frame_unref(frame); \\\n ret = AVERROR(ENOMEM); \\\n goto fail; \\\n } \\\n} while (0)\n if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {\n const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);\n planes = av_pix_fmt_count_planes(frame->format);\n if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL)\n planes = 1;\n if (!desc || planes <= 0) {\n ret = AVERROR(EINVAL);\n goto fail;\n }\n for (i = 0; i < planes; i++) {\n int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;\n int plane_size = (frame->height >> v_shift) * frame->linesize[i];\n WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);\n }\n } else {\n int planar = av_sample_fmt_is_planar(frame->format);\n planes = planar ? avctx->channels : 1;\n if (planes > FF_ARRAY_ELEMS(frame->buf)) {\n frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);\n frame->extended_buf = av_malloc(sizeof(*frame->extended_buf) *\n frame->nb_extended_buf);\n if (!frame->extended_buf) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n }\n for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)\n WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);\n for (i = 0; i < frame->nb_extended_buf; i++)\n WRAP_PLANE(frame->extended_buf[i],\n frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],\n frame->linesize[0]);\n }\n av_buffer_unref(&dummy_buf);\n frame->width = avctx->width;\n frame->height = avctx->height;\n return 0;\nfail:\n avctx->release_buffer(avctx, frame);\n av_freep(&priv);\n av_buffer_unref(&dummy_buf);\n return ret;\n }\nFF_ENABLE_DEPRECATION_WARNINGS\n#endif\n ret = avctx->get_buffer2(avctx, frame, flags);\n if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {\n frame->width = avctx->width;\n frame->height = avctx->height;\n }\n return ret;\n}', 'int av_frame_ref(AVFrame *dst, const AVFrame *src)\n{\n int i, ret = 0;\n dst->format = src->format;\n dst->width = src->width;\n dst->height = src->height;\n dst->channel_layout = src->channel_layout;\n dst->nb_samples = src->nb_samples;\n ret = av_frame_copy_props(dst, src);\n if (ret < 0)\n return ret;\n if (!src->buf[0]) {\n ret = av_frame_get_buffer(dst, 32);\n if (ret < 0)\n return ret;\n if (src->nb_samples) {\n int ch = av_get_channel_layout_nb_channels(src->channel_layout);\n av_samples_copy(dst->extended_data, src->extended_data, 0, 0,\n dst->nb_samples, ch, dst->format);\n } else {\n av_image_copy(dst->data, dst->linesize, src->data, src->linesize,\n dst->format, dst->width, dst->height);\n }\n return 0;\n }\n for (i = 0; i < FF_ARRAY_ELEMS(src->buf) && src->buf[i]; i++) {\n dst->buf[i] = av_buffer_ref(src->buf[i]);\n if (!dst->buf[i]) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n }\n if (src->extended_buf) {\n dst->extended_buf = av_mallocz(sizeof(*dst->extended_buf) *\n src->nb_extended_buf);\n if (!dst->extended_buf) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n dst->nb_extended_buf = src->nb_extended_buf;\n for (i = 0; i < src->nb_extended_buf; i++) {\n dst->extended_buf[i] = av_buffer_ref(src->extended_buf[i]);\n if (!dst->extended_buf[i]) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n }\n }\n if (src->extended_data != src->data) {\n int ch = av_get_channel_layout_nb_channels(src->channel_layout);\n if (!ch) {\n ret = AVERROR(EINVAL);\n goto fail;\n }\n dst->extended_data = av_malloc(sizeof(*dst->extended_data) * ch);\n if (!dst->extended_data) {\n ret = AVERROR(ENOMEM);\n goto fail;\n }\n memcpy(dst->extended_data, src->extended_data, sizeof(*src->extended_data) * ch);\n } else\n dst->extended_data = dst->data;\n memcpy(dst->data, src->data, sizeof(src->data));\n memcpy(dst->linesize, src->linesize, sizeof(src->linesize));\n return 0;\nfail:\n av_frame_unref(dst);\n return ret;\n}', 'int av_frame_copy_props(AVFrame *dst, const AVFrame *src)\n{\n int i;\n dst->key_frame = src->key_frame;\n dst->pict_type = src->pict_type;\n dst->sample_aspect_ratio = src->sample_aspect_ratio;\n dst->pts = src->pts;\n dst->repeat_pict = src->repeat_pict;\n dst->interlaced_frame = src->interlaced_frame;\n dst->top_field_first = src->top_field_first;\n dst->palette_has_changed = src->palette_has_changed;\n dst->sample_rate = src->sample_rate;\n dst->opaque = src->opaque;\n dst->pkt_pts = src->pkt_pts;\n dst->pkt_dts = src->pkt_dts;\n dst->reordered_opaque = src->reordered_opaque;\n dst->quality = src->quality;\n dst->coded_picture_number = src->coded_picture_number;\n dst->display_picture_number = src->display_picture_number;\n dst->flags = src->flags;\n memcpy(dst->error, src->error, sizeof(dst->error));\n for (i = 0; i < src->nb_side_data; i++) {\n const AVFrameSideData *sd_src = src->side_data[i];\n AVFrameSideData *sd_dst = av_frame_new_side_data(dst, sd_src->type,\n sd_src->size);\n if (!sd_dst) {\n for (i = 0; i < dst->nb_side_data; i++) {\n av_freep(&dst->side_data[i]->data);\n av_freep(&dst->side_data[i]);\n av_dict_free(&dst->side_data[i]->metadata);\n }\n av_freep(&dst->side_data);\n return AVERROR(ENOMEM);\n }\n memcpy(sd_dst->data, sd_src->data, sd_src->size);\n av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);\n }\n return 0;\n}', 'void av_frame_unref(AVFrame *frame)\n{\n int i;\n for (i = 0; i < frame->nb_side_data; i++) {\n av_freep(&frame->side_data[i]->data);\n av_dict_free(&frame->side_data[i]->metadata);\n av_freep(&frame->side_data[i]);\n }\n av_freep(&frame->side_data);\n for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)\n av_buffer_unref(&frame->buf[i]);\n for (i = 0; i < frame->nb_extended_buf; i++)\n av_buffer_unref(&frame->extended_buf[i]);\n av_freep(&frame->extended_buf);\n get_frame_defaults(frame);\n}'] |
15,693 | 1 | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int test_gf2m_mod_inv(BIO *bp, BN_CTX *ctx)\n{\n BIGNUM *a, *b[2], *c, *d;\n int i, j, ret = 0;\n int p0[] = { 163, 7, 6, 3, 0, -1 };\n int p1[] = { 193, 15, 0, -1 };\n a = BN_new();\n b[0] = BN_new();\n b[1] = BN_new();\n c = BN_new();\n d = BN_new();\n BN_GF2m_arr2poly(p0, b[0]);\n BN_GF2m_arr2poly(p1, b[1]);\n for (i = 0; i < num0; i++) {\n BN_bntest_rand(a, 512, 0, 0);\n for (j = 0; j < 2; j++) {\n BN_GF2m_mod_inv(c, a, b[j], ctx);\n BN_GF2m_mod_mul(d, a, c, b[j], ctx);\n if (!BN_is_one(d)) {\n fprintf(stderr, "GF(2^m) modular inversion test failed!\\n");\n goto err;\n }\n }\n }\n ret = 1;\n err:\n BN_free(a);\n BN_free(b[0]);\n BN_free(b[1]);\n BN_free(c);\n BN_free(d);\n return ret;\n}', 'int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n BIGNUM *b, *c = NULL, *u = NULL, *v = NULL, *tmp;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(p);\n BN_CTX_start(ctx);\n if ((b = BN_CTX_get(ctx)) == NULL)\n goto err;\n if ((c = BN_CTX_get(ctx)) == NULL)\n goto err;\n if ((u = BN_CTX_get(ctx)) == NULL)\n goto err;\n if ((v = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_mod(u, a, p))\n goto err;\n if (BN_is_zero(u))\n goto err;\n if (!BN_copy(v, p))\n goto err;\n# if 0\n if (!BN_one(b))\n goto err;\n while (1) {\n while (!BN_is_odd(u)) {\n if (BN_is_zero(u))\n goto err;\n if (!BN_rshift1(u, u))\n goto err;\n if (BN_is_odd(b)) {\n if (!BN_GF2m_add(b, b, p))\n goto err;\n }\n if (!BN_rshift1(b, b))\n goto err;\n }\n if (BN_abs_is_word(u, 1))\n break;\n if (BN_num_bits(u) < BN_num_bits(v)) {\n tmp = u;\n u = v;\n v = tmp;\n tmp = b;\n b = c;\n c = tmp;\n }\n if (!BN_GF2m_add(u, u, v))\n goto err;\n if (!BN_GF2m_add(b, b, c))\n goto err;\n }\n# else\n {\n int i;\n int ubits = BN_num_bits(u);\n int vbits = BN_num_bits(v);\n int top = p->top;\n BN_ULONG *udp, *bdp, *vdp, *cdp;\n if (!bn_wexpand(u, top))\n goto err;\n udp = u->d;\n for (i = u->top; i < top; i++)\n udp[i] = 0;\n u->top = top;\n if (!bn_wexpand(b, top))\n goto err;\n bdp = b->d;\n bdp[0] = 1;\n for (i = 1; i < top; i++)\n bdp[i] = 0;\n b->top = top;\n if (!bn_wexpand(c, top))\n goto err;\n cdp = c->d;\n for (i = 0; i < top; i++)\n cdp[i] = 0;\n c->top = top;\n vdp = v->d;\n while (1) {\n while (ubits && !(udp[0] & 1)) {\n BN_ULONG u0, u1, b0, b1, mask;\n u0 = udp[0];\n b0 = bdp[0];\n mask = (BN_ULONG)0 - (b0 & 1);\n b0 ^= p->d[0] & mask;\n for (i = 0; i < top - 1; i++) {\n u1 = udp[i + 1];\n udp[i] = ((u0 >> 1) | (u1 << (BN_BITS2 - 1))) & BN_MASK2;\n u0 = u1;\n b1 = bdp[i + 1] ^ (p->d[i + 1] & mask);\n bdp[i] = ((b0 >> 1) | (b1 << (BN_BITS2 - 1))) & BN_MASK2;\n b0 = b1;\n }\n udp[i] = u0 >> 1;\n bdp[i] = b0 >> 1;\n ubits--;\n }\n if (ubits <= BN_BITS2) {\n if (udp[0] == 0)\n goto err;\n if (udp[0] == 1)\n break;\n }\n if (ubits < vbits) {\n i = ubits;\n ubits = vbits;\n vbits = i;\n tmp = u;\n u = v;\n v = tmp;\n tmp = b;\n b = c;\n c = tmp;\n udp = vdp;\n vdp = v->d;\n bdp = cdp;\n cdp = c->d;\n }\n for (i = 0; i < top; i++) {\n udp[i] ^= vdp[i];\n bdp[i] ^= cdp[i];\n }\n if (ubits == vbits) {\n BN_ULONG ul;\n int utop = (ubits - 1) / BN_BITS2;\n while ((ul = udp[utop]) == 0 && utop)\n utop--;\n ubits = utop * BN_BITS2 + BN_num_bits_word(ul);\n }\n }\n bn_correct_top(b);\n }\n# endif\n if (!BN_copy(r, b))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n# ifdef BN_DEBUG\n bn_correct_top(c);\n bn_correct_top(u);\n bn_correct_top(v);\n# endif\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
15,694 | 0 | https://github.com/openssl/openssl/blob/05ec6a25f80ac8edfb7d7cb764d2dd68156a6965/crypto/bn/bn_gf2m.c/#L640 | int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
{
BIGNUM *b, *c = NULL, *u = NULL, *v = NULL, *tmp;
int ret = 0;
bn_check_top(a);
bn_check_top(p);
BN_CTX_start(ctx);
if ((b = BN_CTX_get(ctx)) == NULL)
goto err;
if ((c = BN_CTX_get(ctx)) == NULL)
goto err;
if ((u = BN_CTX_get(ctx)) == NULL)
goto err;
if ((v = BN_CTX_get(ctx)) == NULL)
goto err;
if (!BN_GF2m_mod(u, a, p))
goto err;
if (BN_is_zero(u))
goto err;
if (!BN_copy(v, p))
goto err;
# if 0
if (!BN_one(b))
goto err;
while (1) {
while (!BN_is_odd(u)) {
if (BN_is_zero(u))
goto err;
if (!BN_rshift1(u, u))
goto err;
if (BN_is_odd(b)) {
if (!BN_GF2m_add(b, b, p))
goto err;
}
if (!BN_rshift1(b, b))
goto err;
}
if (BN_abs_is_word(u, 1))
break;
if (BN_num_bits(u) < BN_num_bits(v)) {
tmp = u;
u = v;
v = tmp;
tmp = b;
b = c;
c = tmp;
}
if (!BN_GF2m_add(u, u, v))
goto err;
if (!BN_GF2m_add(b, b, c))
goto err;
}
# else
{
int i;
int ubits = BN_num_bits(u);
int vbits = BN_num_bits(v);
int top = p->top;
BN_ULONG *udp, *bdp, *vdp, *cdp;
if (!bn_wexpand(u, top))
goto err;
udp = u->d;
for (i = u->top; i < top; i++)
udp[i] = 0;
u->top = top;
if (!bn_wexpand(b, top))
goto err;
bdp = b->d;
bdp[0] = 1;
for (i = 1; i < top; i++)
bdp[i] = 0;
b->top = top;
if (!bn_wexpand(c, top))
goto err;
cdp = c->d;
for (i = 0; i < top; i++)
cdp[i] = 0;
c->top = top;
vdp = v->d;
while (1) {
while (ubits && !(udp[0] & 1)) {
BN_ULONG u0, u1, b0, b1, mask;
u0 = udp[0];
b0 = bdp[0];
mask = (BN_ULONG)0 - (b0 & 1);
b0 ^= p->d[0] & mask;
for (i = 0; i < top - 1; i++) {
u1 = udp[i + 1];
udp[i] = ((u0 >> 1) | (u1 << (BN_BITS2 - 1))) & BN_MASK2;
u0 = u1;
b1 = bdp[i + 1] ^ (p->d[i + 1] & mask);
bdp[i] = ((b0 >> 1) | (b1 << (BN_BITS2 - 1))) & BN_MASK2;
b0 = b1;
}
udp[i] = u0 >> 1;
bdp[i] = b0 >> 1;
ubits--;
}
if (ubits <= BN_BITS2) {
if (udp[0] == 0)
goto err;
if (udp[0] == 1)
break;
}
if (ubits < vbits) {
i = ubits;
ubits = vbits;
vbits = i;
tmp = u;
u = v;
v = tmp;
tmp = b;
b = c;
c = tmp;
udp = vdp;
vdp = v->d;
bdp = cdp;
cdp = c->d;
}
for (i = 0; i < top; i++) {
udp[i] ^= vdp[i];
bdp[i] ^= cdp[i];
}
if (ubits == vbits) {
BN_ULONG ul;
int utop = (ubits - 1) / BN_BITS2;
while ((ul = udp[utop]) == 0 && utop)
utop--;
ubits = utop * BN_BITS2 + BN_num_bits_word(ul);
}
}
bn_correct_top(b);
}
# endif
if (!BN_copy(r, b))
goto err;
bn_check_top(r);
ret = 1;
err:
# ifdef BN_DEBUG
bn_correct_top(c);
bn_correct_top(u);
bn_correct_top(v);
# endif
BN_CTX_end(ctx);
return ret;
} | ['int test_gf2m_mod_div(BIO *bp, BN_CTX *ctx)\n{\n BIGNUM *a, *b[2], *c, *d, *e, *f;\n int i, j, ret = 0;\n int p0[] = { 163, 7, 6, 3, 0, -1 };\n int p1[] = { 193, 15, 0, -1 };\n a = BN_new();\n b[0] = BN_new();\n b[1] = BN_new();\n c = BN_new();\n d = BN_new();\n e = BN_new();\n f = BN_new();\n BN_GF2m_arr2poly(p0, b[0]);\n BN_GF2m_arr2poly(p1, b[1]);\n for (i = 0; i < num0; i++) {\n BN_bntest_rand(a, 512, 0, 0);\n BN_bntest_rand(c, 512, 0, 0);\n for (j = 0; j < 2; j++) {\n BN_GF2m_mod_div(d, a, c, b[j], ctx);\n BN_GF2m_mod_mul(e, d, c, b[j], ctx);\n BN_GF2m_mod_div(f, a, e, b[j], ctx);\n if (!BN_is_one(f)) {\n fprintf(stderr, "GF(2^m) modular division test failed!\\n");\n goto err;\n }\n }\n }\n ret = 1;\n err:\n BN_free(a);\n BN_free(b[0]);\n BN_free(b[1]);\n BN_free(c);\n BN_free(d);\n BN_free(e);\n BN_free(f);\n return ret;\n}', 'int BN_GF2m_mod_div(BIGNUM *r, const BIGNUM *y, const BIGNUM *x,\n const BIGNUM *p, BN_CTX *ctx)\n{\n BIGNUM *xinv = NULL;\n int ret = 0;\n bn_check_top(y);\n bn_check_top(x);\n bn_check_top(p);\n BN_CTX_start(ctx);\n xinv = BN_CTX_get(ctx);\n if (xinv == NULL)\n goto err;\n if (!BN_GF2m_mod_inv(xinv, x, p, ctx))\n goto err;\n if (!BN_GF2m_mod_mul(r, y, xinv, p, 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_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n BIGNUM *b, *c = NULL, *u = NULL, *v = NULL, *tmp;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(p);\n BN_CTX_start(ctx);\n if ((b = BN_CTX_get(ctx)) == NULL)\n goto err;\n if ((c = BN_CTX_get(ctx)) == NULL)\n goto err;\n if ((u = BN_CTX_get(ctx)) == NULL)\n goto err;\n if ((v = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_mod(u, a, p))\n goto err;\n if (BN_is_zero(u))\n goto err;\n if (!BN_copy(v, p))\n goto err;\n# if 0\n if (!BN_one(b))\n goto err;\n while (1) {\n while (!BN_is_odd(u)) {\n if (BN_is_zero(u))\n goto err;\n if (!BN_rshift1(u, u))\n goto err;\n if (BN_is_odd(b)) {\n if (!BN_GF2m_add(b, b, p))\n goto err;\n }\n if (!BN_rshift1(b, b))\n goto err;\n }\n if (BN_abs_is_word(u, 1))\n break;\n if (BN_num_bits(u) < BN_num_bits(v)) {\n tmp = u;\n u = v;\n v = tmp;\n tmp = b;\n b = c;\n c = tmp;\n }\n if (!BN_GF2m_add(u, u, v))\n goto err;\n if (!BN_GF2m_add(b, b, c))\n goto err;\n }\n# else\n {\n int i;\n int ubits = BN_num_bits(u);\n int vbits = BN_num_bits(v);\n int top = p->top;\n BN_ULONG *udp, *bdp, *vdp, *cdp;\n if (!bn_wexpand(u, top))\n goto err;\n udp = u->d;\n for (i = u->top; i < top; i++)\n udp[i] = 0;\n u->top = top;\n if (!bn_wexpand(b, top))\n goto err;\n bdp = b->d;\n bdp[0] = 1;\n for (i = 1; i < top; i++)\n bdp[i] = 0;\n b->top = top;\n if (!bn_wexpand(c, top))\n goto err;\n cdp = c->d;\n for (i = 0; i < top; i++)\n cdp[i] = 0;\n c->top = top;\n vdp = v->d;\n while (1) {\n while (ubits && !(udp[0] & 1)) {\n BN_ULONG u0, u1, b0, b1, mask;\n u0 = udp[0];\n b0 = bdp[0];\n mask = (BN_ULONG)0 - (b0 & 1);\n b0 ^= p->d[0] & mask;\n for (i = 0; i < top - 1; i++) {\n u1 = udp[i + 1];\n udp[i] = ((u0 >> 1) | (u1 << (BN_BITS2 - 1))) & BN_MASK2;\n u0 = u1;\n b1 = bdp[i + 1] ^ (p->d[i + 1] & mask);\n bdp[i] = ((b0 >> 1) | (b1 << (BN_BITS2 - 1))) & BN_MASK2;\n b0 = b1;\n }\n udp[i] = u0 >> 1;\n bdp[i] = b0 >> 1;\n ubits--;\n }\n if (ubits <= BN_BITS2) {\n if (udp[0] == 0)\n goto err;\n if (udp[0] == 1)\n break;\n }\n if (ubits < vbits) {\n i = ubits;\n ubits = vbits;\n vbits = i;\n tmp = u;\n u = v;\n v = tmp;\n tmp = b;\n b = c;\n c = tmp;\n udp = vdp;\n vdp = v->d;\n bdp = cdp;\n cdp = c->d;\n }\n for (i = 0; i < top; i++) {\n udp[i] ^= vdp[i];\n bdp[i] ^= cdp[i];\n }\n if (ubits == vbits) {\n BN_ULONG ul;\n int utop = (ubits - 1) / BN_BITS2;\n while ((ul = udp[utop]) == 0 && utop)\n utop--;\n ubits = utop * BN_BITS2 + BN_num_bits_word(ul);\n }\n }\n bn_correct_top(b);\n }\n# endif\n if (!BN_copy(r, b))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n# ifdef BN_DEBUG\n bn_correct_top(c);\n bn_correct_top(u);\n bn_correct_top(v);\n# endif\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}', '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}'] |
15,695 | 0 | https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/bn/bn_lib.c/#L351 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_malloc(words * sizeof(*a));
else
a = A = OPENSSL_malloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#ifdef PURIFY
memset(a, 0, sizeof(*a) * words);
#endif
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['int ec_GFp_simple_points_make_affine(const EC_GROUP *group, size_t num,\n EC_POINT *points[], BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp, *tmp_Z;\n BIGNUM **prod_Z = NULL;\n size_t i;\n int ret = 0;\n if (num == 0)\n return 1;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n tmp_Z = BN_CTX_get(ctx);\n if (tmp == NULL || tmp_Z == NULL)\n goto err;\n prod_Z = OPENSSL_malloc(num * sizeof prod_Z[0]);\n if (prod_Z == NULL)\n goto err;\n for (i = 0; i < num; i++) {\n prod_Z[i] = BN_new();\n if (prod_Z[i] == NULL)\n goto err;\n }\n if (!BN_is_zero(points[0]->Z)) {\n if (!BN_copy(prod_Z[0], points[0]->Z))\n goto err;\n } else {\n if (group->meth->field_set_to_one != 0) {\n if (!group->meth->field_set_to_one(group, prod_Z[0], ctx))\n goto err;\n } else {\n if (!BN_one(prod_Z[0]))\n goto err;\n }\n }\n for (i = 1; i < num; i++) {\n if (!BN_is_zero(points[i]->Z)) {\n if (!group->\n meth->field_mul(group, prod_Z[i], prod_Z[i - 1], points[i]->Z,\n ctx))\n goto err;\n } else {\n if (!BN_copy(prod_Z[i], prod_Z[i - 1]))\n goto err;\n }\n }\n if (!BN_mod_inverse(tmp, prod_Z[num - 1], group->field, ctx)) {\n ECerr(EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE, ERR_R_BN_LIB);\n goto err;\n }\n if (group->meth->field_encode != 0) {\n if (!group->meth->field_encode(group, tmp, tmp, ctx))\n goto err;\n if (!group->meth->field_encode(group, tmp, tmp, ctx))\n goto err;\n }\n for (i = num - 1; i > 0; --i) {\n if (!BN_is_zero(points[i]->Z)) {\n if (!group->\n meth->field_mul(group, tmp_Z, prod_Z[i - 1], tmp, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp, tmp, points[i]->Z, ctx))\n goto err;\n if (!BN_copy(points[i]->Z, tmp_Z))\n goto err;\n }\n }\n if (!BN_is_zero(points[0]->Z)) {\n if (!BN_copy(points[0]->Z, tmp))\n goto err;\n }\n for (i = 0; i < num; i++) {\n EC_POINT *p = points[i];\n if (!BN_is_zero(p->Z)) {\n if (!group->meth->field_sqr(group, tmp, p->Z, ctx))\n goto err;\n if (!group->meth->field_mul(group, p->X, p->X, tmp, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp, tmp, p->Z, ctx))\n goto err;\n if (!group->meth->field_mul(group, p->Y, p->Y, tmp, ctx))\n goto err;\n if (group->meth->field_set_to_one != 0) {\n if (!group->meth->field_set_to_one(group, p->Z, ctx))\n goto err;\n } else {\n if (!BN_one(p->Z))\n goto err;\n }\n p->Z_is_one = 1;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n if (prod_Z != NULL) {\n for (i = 0; i < num; i++) {\n if (prod_Z[i] == NULL)\n break;\n BN_clear_free(prod_Z[i]);\n }\n OPENSSL_free(prod_Z);\n }\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}', '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 *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 int i;\n BN_ULONG *A;\n const BN_ULONG *B;\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 1\n A = a->d;\n B = b->d;\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:;\n }\n#else\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n#endif\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}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
15,696 | 0 | https://github.com/libav/libav/blob/a893655bdaa726a82424367b6456d195be12ebbc/libavcodec/svq3.c/#L521 | static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
{
H264Context *h = &svq3->h;
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
int8_t *top, *left;
MpegEncContext *const s = (MpegEncContext *)h;
const int mb_xy = h->mb_xy;
const int b_xy = 4 * s->mb_x + 4 * s->mb_y * h->b_stride;
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
h->topright_samples_available = 0xFFFF;
if (mb_type == 0) {
if (s->pict_type == AV_PICTURE_TYPE_P ||
s->next_picture.f.mb_type[mb_xy] == -1) {
svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,
0, 0, 0, 0, 0, 0);
if (s->pict_type == AV_PICTURE_TYPE_B)
svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,
0, 0, 0, 0, 1, 1);
mb_type = MB_TYPE_SKIP;
} else {
mb_type = FFMIN(s->next_picture.f.mb_type[mb_xy], 6);
if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 0, 0) < 0)
return -1;
if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 1, 1) < 0)
return -1;
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) {
if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1(&s->gb))
mode = THIRDPEL_MODE;
else if (svq3->halfpel_flag &&
svq3->thirdpel_flag == !get_bits1(&s->gb))
mode = HALFPEL_MODE;
else
mode = FULLPEL_MODE;
for (m = 0; m < 2; m++) {
if (s->mb_x > 0 && h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) {
for (i = 0; i < 4; i++)
AV_COPY32(h->mv_cache[m][scan8[0] - 1 + i * 8],
s->current_picture.f.motion_val[m][b_xy - 1 + i * h->b_stride]);
} else {
for (i = 0; i < 4; i++)
AV_ZERO32(h->mv_cache[m][scan8[0] - 1 + i * 8]);
}
if (s->mb_y > 0) {
memcpy(h->mv_cache[m][scan8[0] - 1 * 8],
s->current_picture.f.motion_val[m][b_xy - h->b_stride],
4 * 2 * sizeof(int16_t));
memset(&h->ref_cache[m][scan8[0] - 1 * 8],
(h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
if (s->mb_x < s->mb_width - 1) {
AV_COPY32(h->mv_cache[m][scan8[0] + 4 - 1 * 8],
s->current_picture.f.motion_val[m][b_xy - h->b_stride + 4]);
h->ref_cache[m][scan8[0] + 4 - 1 * 8] =
(h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 ||
h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
} else
h->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
AV_COPY32(h->mv_cache[m][scan8[0] - 1 - 1 * 8],
s->current_picture.f.motion_val[m][b_xy - h->b_stride - 1]);
h->ref_cache[m][scan8[0] - 1 - 1 * 8] =
(h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
} else
h->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;
} else
memset(&h->ref_cache[m][scan8[0] - 1 * 8 - 1],
PART_NOT_AVAILABLE, 8);
if (s->pict_type != AV_PICTURE_TYPE_B)
break;
}
if (s->pict_type == AV_PICTURE_TYPE_P) {
if (svq3_mc_dir(h, mb_type - 1, mode, 0, 0) < 0)
return -1;
} else {
if (mb_type != 2)
if (svq3_mc_dir(h, 0, mode, 0, 0) < 0)
return -1;
else
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
if (mb_type != 1)
if (svq3_mc_dir(h, 0, mode, 1, mb_type == 3) < 0)
return -1;
else
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
mb_type = MB_TYPE_16x16;
} else if (mb_type == 8 || mb_type == 33) {
memset(h->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i = 0; i < 4; i++)
h->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];
if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
h->left_samples_available = 0x5F5F;
}
if (s->mb_y > 0) {
h->intra4x4_pred_mode_cache[4 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 0];
h->intra4x4_pred_mode_cache[5 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 1];
h->intra4x4_pred_mode_cache[6 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 2];
h->intra4x4_pred_mode_cache[7 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 3];
if (h->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
h->top_samples_available = 0x33FF;
}
for (i = 0; i < 16; i += 2) {
vlc = svq3_get_ue_golomb(&s->gb);
if (vlc >= 25) {
av_log(h->s.avctx, AV_LOG_ERROR, "luma prediction:%d\n", vlc);
return -1;
}
left = &h->intra4x4_pred_mode_cache[scan8[i] - 1];
top = &h->intra4x4_pred_mode_cache[scan8[i] - 8];
left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];
left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];
if (left[1] == -1 || left[2] == -1) {
av_log(h->s.avctx, AV_LOG_ERROR, "weird prediction\n");
return -1;
}
}
} else {
for (i = 0; i < 4; i++)
memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);
}
write_back_intra_pred_mode(h);
if (mb_type == 8) {
ff_h264_check_intra4x4_pred_mode(h);
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
} else {
for (i = 0; i < 4; i++)
memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);
h->top_samples_available = 0x33FF;
h->left_samples_available = 0x5F5F;
}
mb_type = MB_TYPE_INTRA4x4;
} else {
dir = i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;
if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1) {
av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n");
return -1;
}
cbp = i_mb_type_info[mb_type - 8].cbp;
mb_type = MB_TYPE_INTRA16x16;
}
if (!IS_INTER(mb_type) && s->pict_type != AV_PICTURE_TYPE_I) {
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
if (s->pict_type == AV_PICTURE_TYPE_B) {
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
}
if (!IS_INTRA4x4(mb_type)) {
memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8);
}
if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {
memset(h->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));
s->dsp.clear_blocks(h->mb + 0);
s->dsp.clear_blocks(h->mb + 384);
}
if (!IS_INTRA16x16(mb_type) &&
(!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48) {
av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
return -1;
}
cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc]
: golomb_to_inter_cbp[vlc];
}
if (IS_INTRA16x16(mb_type) ||
(s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
s->qscale += svq3_get_se_golomb(&s->gb);
if (s->qscale > 31u) {
av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
return -1;
}
}
if (IS_INTRA16x16(mb_type)) {
AV_ZERO128(h->mb_luma_dc[0] + 0);
AV_ZERO128(h->mb_luma_dc[0] + 8);
if (svq3_decode_block(&s->gb, h->mb_luma_dc[0], 0, 1)) {
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding intra luma dc\n");
return -1;
}
}
if (cbp) {
const int index = IS_INTRA16x16(mb_type) ? 1 : 0;
const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);
for (i = 0; i < 4; i++)
if ((cbp & (1 << i))) {
for (j = 0; j < 4; j++) {
k = index ? (1 * (j & 1) + 2 * (i & 1) +
2 * (j & 2) + 4 * (i & 2))
: (4 * i + j);
h->non_zero_count_cache[scan8[k]] = 1;
if (svq3_decode_block(&s->gb, &h->mb[16 * k], index, type)) {
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding block\n");
return -1;
}
}
}
if ((cbp & 0x30)) {
for (i = 1; i < 3; ++i)
if (svq3_decode_block(&s->gb, &h->mb[16 * 16 * i], 0, 3)) {
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding chroma dc block\n");
return -1;
}
if ((cbp & 0x20)) {
for (i = 1; i < 3; i++) {
for (j = 0; j < 4; j++) {
k = 16 * i + j;
h->non_zero_count_cache[scan8[k]] = 1;
if (svq3_decode_block(&s->gb, &h->mb[16 * k], 1, 1)) {
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding chroma ac block\n");
return -1;
}
}
}
}
}
}
h->cbp = cbp;
s->current_picture.f.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type))
h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8, 1);
return 0;
} | ['static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)\n{\n H264Context *h = &svq3->h;\n int i, j, k, m, dir, mode;\n int cbp = 0;\n uint32_t vlc;\n int8_t *top, *left;\n MpegEncContext *const s = (MpegEncContext *)h;\n const int mb_xy = h->mb_xy;\n const int b_xy = 4 * s->mb_x + 4 * s->mb_y * h->b_stride;\n h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;\n h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;\n h->topright_samples_available = 0xFFFF;\n if (mb_type == 0) {\n if (s->pict_type == AV_PICTURE_TYPE_P ||\n s->next_picture.f.mb_type[mb_xy] == -1) {\n svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,\n 0, 0, 0, 0, 0, 0);\n if (s->pict_type == AV_PICTURE_TYPE_B)\n svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,\n 0, 0, 0, 0, 1, 1);\n mb_type = MB_TYPE_SKIP;\n } else {\n mb_type = FFMIN(s->next_picture.f.mb_type[mb_xy], 6);\n if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 0, 0) < 0)\n return -1;\n if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 1, 1) < 0)\n return -1;\n mb_type = MB_TYPE_16x16;\n }\n } else if (mb_type < 8) {\n if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1(&s->gb))\n mode = THIRDPEL_MODE;\n else if (svq3->halfpel_flag &&\n svq3->thirdpel_flag == !get_bits1(&s->gb))\n mode = HALFPEL_MODE;\n else\n mode = FULLPEL_MODE;\n for (m = 0; m < 2; m++) {\n if (s->mb_x > 0 && h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) {\n for (i = 0; i < 4; i++)\n AV_COPY32(h->mv_cache[m][scan8[0] - 1 + i * 8],\n s->current_picture.f.motion_val[m][b_xy - 1 + i * h->b_stride]);\n } else {\n for (i = 0; i < 4; i++)\n AV_ZERO32(h->mv_cache[m][scan8[0] - 1 + i * 8]);\n }\n if (s->mb_y > 0) {\n memcpy(h->mv_cache[m][scan8[0] - 1 * 8],\n s->current_picture.f.motion_val[m][b_xy - h->b_stride],\n 4 * 2 * sizeof(int16_t));\n memset(&h->ref_cache[m][scan8[0] - 1 * 8],\n (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);\n if (s->mb_x < s->mb_width - 1) {\n AV_COPY32(h->mv_cache[m][scan8[0] + 4 - 1 * 8],\n s->current_picture.f.motion_val[m][b_xy - h->b_stride + 4]);\n h->ref_cache[m][scan8[0] + 4 - 1 * 8] =\n (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 ||\n h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;\n } else\n h->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;\n if (s->mb_x > 0) {\n AV_COPY32(h->mv_cache[m][scan8[0] - 1 - 1 * 8],\n s->current_picture.f.motion_val[m][b_xy - h->b_stride - 1]);\n h->ref_cache[m][scan8[0] - 1 - 1 * 8] =\n (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;\n } else\n h->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;\n } else\n memset(&h->ref_cache[m][scan8[0] - 1 * 8 - 1],\n PART_NOT_AVAILABLE, 8);\n if (s->pict_type != AV_PICTURE_TYPE_B)\n break;\n }\n if (s->pict_type == AV_PICTURE_TYPE_P) {\n if (svq3_mc_dir(h, mb_type - 1, mode, 0, 0) < 0)\n return -1;\n } else {\n if (mb_type != 2)\n if (svq3_mc_dir(h, 0, mode, 0, 0) < 0)\n return -1;\n else\n for (i = 0; i < 4; i++)\n memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n if (mb_type != 1)\n if (svq3_mc_dir(h, 0, mode, 1, mb_type == 3) < 0)\n return -1;\n else\n for (i = 0; i < 4; i++)\n memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n mb_type = MB_TYPE_16x16;\n } else if (mb_type == 8 || mb_type == 33) {\n memset(h->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));\n if (mb_type == 8) {\n if (s->mb_x > 0) {\n for (i = 0; i < 4; i++)\n h->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];\n if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)\n h->left_samples_available = 0x5F5F;\n }\n if (s->mb_y > 0) {\n h->intra4x4_pred_mode_cache[4 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 0];\n h->intra4x4_pred_mode_cache[5 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 1];\n h->intra4x4_pred_mode_cache[6 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 2];\n h->intra4x4_pred_mode_cache[7 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 3];\n if (h->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)\n h->top_samples_available = 0x33FF;\n }\n for (i = 0; i < 16; i += 2) {\n vlc = svq3_get_ue_golomb(&s->gb);\n if (vlc >= 25) {\n av_log(h->s.avctx, AV_LOG_ERROR, "luma prediction:%d\\n", vlc);\n return -1;\n }\n left = &h->intra4x4_pred_mode_cache[scan8[i] - 1];\n top = &h->intra4x4_pred_mode_cache[scan8[i] - 8];\n left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];\n left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];\n if (left[1] == -1 || left[2] == -1) {\n av_log(h->s.avctx, AV_LOG_ERROR, "weird prediction\\n");\n return -1;\n }\n }\n } else {\n for (i = 0; i < 4; i++)\n memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);\n }\n write_back_intra_pred_mode(h);\n if (mb_type == 8) {\n ff_h264_check_intra4x4_pred_mode(h);\n h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;\n h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;\n } else {\n for (i = 0; i < 4; i++)\n memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);\n h->top_samples_available = 0x33FF;\n h->left_samples_available = 0x5F5F;\n }\n mb_type = MB_TYPE_INTRA4x4;\n } else {\n dir = i_mb_type_info[mb_type - 8].pred_mode;\n dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;\n if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1) {\n av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\\n");\n return -1;\n }\n cbp = i_mb_type_info[mb_type - 8].cbp;\n mb_type = MB_TYPE_INTRA16x16;\n }\n if (!IS_INTER(mb_type) && s->pict_type != AV_PICTURE_TYPE_I) {\n for (i = 0; i < 4; i++)\n memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n for (i = 0; i < 4; i++)\n memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n }\n if (!IS_INTRA4x4(mb_type)) {\n memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8);\n }\n if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {\n memset(h->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));\n s->dsp.clear_blocks(h->mb + 0);\n s->dsp.clear_blocks(h->mb + 384);\n }\n if (!IS_INTRA16x16(mb_type) &&\n (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {\n if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48) {\n av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\\n", vlc);\n return -1;\n }\n cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc]\n : golomb_to_inter_cbp[vlc];\n }\n if (IS_INTRA16x16(mb_type) ||\n (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {\n s->qscale += svq3_get_se_golomb(&s->gb);\n if (s->qscale > 31u) {\n av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\\n", s->qscale);\n return -1;\n }\n }\n if (IS_INTRA16x16(mb_type)) {\n AV_ZERO128(h->mb_luma_dc[0] + 0);\n AV_ZERO128(h->mb_luma_dc[0] + 8);\n if (svq3_decode_block(&s->gb, h->mb_luma_dc[0], 0, 1)) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "error while decoding intra luma dc\\n");\n return -1;\n }\n }\n if (cbp) {\n const int index = IS_INTRA16x16(mb_type) ? 1 : 0;\n const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);\n for (i = 0; i < 4; i++)\n if ((cbp & (1 << i))) {\n for (j = 0; j < 4; j++) {\n k = index ? (1 * (j & 1) + 2 * (i & 1) +\n 2 * (j & 2) + 4 * (i & 2))\n : (4 * i + j);\n h->non_zero_count_cache[scan8[k]] = 1;\n if (svq3_decode_block(&s->gb, &h->mb[16 * k], index, type)) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "error while decoding block\\n");\n return -1;\n }\n }\n }\n if ((cbp & 0x30)) {\n for (i = 1; i < 3; ++i)\n if (svq3_decode_block(&s->gb, &h->mb[16 * 16 * i], 0, 3)) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "error while decoding chroma dc block\\n");\n return -1;\n }\n if ((cbp & 0x20)) {\n for (i = 1; i < 3; i++) {\n for (j = 0; j < 4; j++) {\n k = 16 * i + j;\n h->non_zero_count_cache[scan8[k]] = 1;\n if (svq3_decode_block(&s->gb, &h->mb[16 * k], 1, 1)) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "error while decoding chroma ac block\\n");\n return -1;\n }\n }\n }\n }\n }\n }\n h->cbp = cbp;\n s->current_picture.f.mb_type[mb_xy] = mb_type;\n if (IS_INTRA(mb_type))\n h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8, 1);\n return 0;\n}'] |
15,697 | 0 | https://github.com/libav/libav/blob/6961bdface651ac9bd3621738aeb3b65969033b6/libavfilter/formats.c/#L257 | void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)
{
FORMATS_REF(f, ref);
} | ['void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)\n{\n FORMATS_REF(f, ref);\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#elif HAVE_ALIGNED_MALLOC\n return _aligned_realloc(ptr, size, 32);\n#else\n return realloc(ptr, size);\n#endif\n}'] |
15,698 | 0 | https://github.com/libav/libav/blob/d5cc1ed723cfbbf71ea005ce1a2e2f5b55a9f631/ffmpeg.c/#L3671 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int err, use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
AVOutputFormat *file_oformat;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
av_exit(1);
}
if (last_asked_format) {
file_oformat = av_guess_format(last_asked_format, NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
av_exit(1);
}
last_asked_format = NULL;
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
filename);
av_exit(1);
}
}
oc->oformat = file_oformat;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
av_exit(1);
}
} else {
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
if (nb_input_files > 0) {
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
&input_has_subtitle);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
if (!input_has_subtitle)
use_subtitle = 0;
}
if (audio_disable) {
use_audio = 0;
}
if (video_disable) {
use_video = 0;
}
if (subtitle_disable) {
use_subtitle = 0;
}
if (use_video) {
new_video_stream(oc);
}
if (use_audio) {
new_audio_stream(oc);
}
if (use_subtitle) {
new_subtitle_stream(oc);
}
oc->timestamp = rec_timestamp;
for(; metadata_count>0; metadata_count--){
av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
metadata[metadata_count-1].value, 0);
}
av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
}
output_files[nb_output_files++] = oc;
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR_NUMEXPECTED);
av_exit(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
if (!read_yesno()) {
fprintf(stderr, "Not overwriting - exiting\n");
av_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
av_exit(1);
}
}
}
if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
print_error(filename, err);
av_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
av_exit(1);
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
oc->flags |= AVFMT_FLAG_NONBLOCK;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
} | ['static void opt_output_file(const char *filename)\n{\n AVFormatContext *oc;\n int err, use_video, use_audio, use_subtitle;\n int input_has_video, input_has_audio, input_has_subtitle;\n AVFormatParameters params, *ap = ¶ms;\n AVOutputFormat *file_oformat;\n if (!strcmp(filename, "-"))\n filename = "pipe:";\n oc = avformat_alloc_context();\n if (!oc) {\n print_error(filename, AVERROR(ENOMEM));\n av_exit(1);\n }\n if (last_asked_format) {\n file_oformat = av_guess_format(last_asked_format, NULL, NULL);\n if (!file_oformat) {\n fprintf(stderr, "Requested output format \'%s\' is not a suitable output format\\n", last_asked_format);\n av_exit(1);\n }\n last_asked_format = NULL;\n } else {\n file_oformat = av_guess_format(NULL, filename, NULL);\n if (!file_oformat) {\n fprintf(stderr, "Unable to find a suitable output format for \'%s\'\\n",\n filename);\n av_exit(1);\n }\n }\n oc->oformat = file_oformat;\n av_strlcpy(oc->filename, filename, sizeof(oc->filename));\n if (!strcmp(file_oformat->name, "ffm") &&\n av_strstart(filename, "http:", NULL)) {\n int err = read_ffserver_streams(oc, filename);\n if (err < 0) {\n print_error(filename, err);\n av_exit(1);\n }\n } else {\n use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;\n use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;\n use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;\n if (nb_input_files > 0) {\n check_audio_video_sub_inputs(&input_has_video, &input_has_audio,\n &input_has_subtitle);\n if (!input_has_video)\n use_video = 0;\n if (!input_has_audio)\n use_audio = 0;\n if (!input_has_subtitle)\n use_subtitle = 0;\n }\n if (audio_disable) {\n use_audio = 0;\n }\n if (video_disable) {\n use_video = 0;\n }\n if (subtitle_disable) {\n use_subtitle = 0;\n }\n if (use_video) {\n new_video_stream(oc);\n }\n if (use_audio) {\n new_audio_stream(oc);\n }\n if (use_subtitle) {\n new_subtitle_stream(oc);\n }\n oc->timestamp = rec_timestamp;\n for(; metadata_count>0; metadata_count--){\n av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,\n metadata[metadata_count-1].value, 0);\n }\n av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);\n }\n output_files[nb_output_files++] = oc;\n if (oc->oformat->flags & AVFMT_NEEDNUMBER) {\n if (!av_filename_number_test(oc->filename)) {\n print_error(oc->filename, AVERROR_NUMEXPECTED);\n av_exit(1);\n }\n }\n if (!(oc->oformat->flags & AVFMT_NOFILE)) {\n if (!file_overwrite &&\n (strchr(filename, \':\') == NULL ||\n filename[1] == \':\' ||\n av_strstart(filename, "file:", NULL))) {\n if (url_exist(filename)) {\n if (!using_stdin) {\n fprintf(stderr,"File \'%s\' already exists. Overwrite ? [y/N] ", filename);\n fflush(stderr);\n if (!read_yesno()) {\n fprintf(stderr, "Not overwriting - exiting\\n");\n av_exit(1);\n }\n }\n else {\n fprintf(stderr,"File \'%s\' already exists. Exiting.\\n", filename);\n av_exit(1);\n }\n }\n }\n if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {\n print_error(filename, err);\n av_exit(1);\n }\n }\n memset(ap, 0, sizeof(*ap));\n if (av_set_parameters(oc, ap) < 0) {\n fprintf(stderr, "%s: Invalid encoding parameters\\n",\n oc->filename);\n av_exit(1);\n }\n oc->preload= (int)(mux_preload*AV_TIME_BASE);\n oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);\n oc->loop_output = loop_output;\n oc->flags |= AVFMT_FLAG_NONBLOCK;\n set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);\n}', 'AVFormatContext *avformat_alloc_context(void)\n{\n AVFormatContext *ic;\n ic = av_malloc(sizeof(AVFormatContext));\n if (!ic) return ic;\n avformat_get_context_defaults(ic);\n ic->av_class = &av_format_context_class;\n return ic;\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 print_error(const char *filename, int err)\n{\n char errbuf[128];\n const char *errbuf_ptr = errbuf;\n if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)\n errbuf_ptr = strerror(AVUNERROR(err));\n fprintf(stderr, "%s: %s\\n", filename, errbuf_ptr);\n}', 'int av_strerror(int errnum, char *errbuf, size_t errbuf_size)\n{\n int ret = 0;\n const char *errstr = NULL;\n switch (errnum) {\n case AVERROR_EOF: errstr = "End of file"; break;\n case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input"; break;\n case AVERROR_NUMEXPECTED: errstr = "Number syntax expected in filename"; break;\n case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break;\n }\n if (errstr) {\n av_strlcpy(errbuf, errstr, errbuf_size);\n } else {\n#if HAVE_STRERROR_R\n ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);\n#else\n ret = -1;\n#endif\n if (ret < 0)\n snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);\n }\n return ret;\n}'] |
15,699 | 0 | https://github.com/openssl/openssl/blob/a8b728445c6d2d3f1d3ef568b8bff2b651aa0b52/crypto/bio/b_print.c/#L742 | static void
doapr_outch(
char **sbuffer,
char **buffer,
size_t *currlen,
size_t *maxlen,
int c)
{
assert(*sbuffer != NULL || buffer != NULL);
if (buffer) {
while (*currlen >= *maxlen) {
if (*buffer == NULL) {
if (*maxlen == 0)
*maxlen = 1024;
*buffer = OPENSSL_malloc(*maxlen);
if (*currlen > 0) {
assert(*sbuffer != NULL);
memcpy(*buffer, *sbuffer, *currlen);
}
*sbuffer = NULL;
} else {
*maxlen += 1024;
*buffer = OPENSSL_realloc(*buffer, *maxlen);
}
}
assert(*sbuffer != NULL || *buffer != NULL);
}
if (*currlen < *maxlen) {
if (*sbuffer)
(*sbuffer)[(*currlen)++] = (char)c;
else
(*buffer)[(*currlen)++] = (char)c;
}
return;
} | ['static void\ndoapr_outch(\n char **sbuffer,\n char **buffer,\n size_t *currlen,\n size_t *maxlen,\n int c)\n{\n assert(*sbuffer != NULL || buffer != NULL);\n if (buffer) {\n\twhile (*currlen >= *maxlen) {\n\t if (*buffer == NULL) {\n\t\tif (*maxlen == 0)\n\t\t *maxlen = 1024;\n\t\t*buffer = OPENSSL_malloc(*maxlen);\n\t\tif (*currlen > 0) {\n\t\t assert(*sbuffer != NULL);\n\t\t memcpy(*buffer, *sbuffer, *currlen);\n\t\t}\n\t\t*sbuffer = NULL;\n\t } else {\n\t\t*maxlen += 1024;\n\t\t*buffer = OPENSSL_realloc(*buffer, *maxlen);\n\t }\n\t}\n\tassert(*sbuffer != NULL || *buffer != NULL);\n }\n if (*currlen < *maxlen) {\n\tif (*sbuffer)\n\t (*sbuffer)[(*currlen)++] = (char)c;\n\telse\n\t (*buffer)[(*currlen)++] = (char)c;\n }\n return;\n}', '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}'] |
15,700 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L250 | int BN_num_bits(const BIGNUM *a)
{
int i = a->top - 1;
bn_check_top(a);
if (BN_is_zero(a)) return 0;
return ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));
} | ['int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)\n\t{\n\tunsigned char *buffer=NULL;\n\tsize_t\tbuf_len=0, i;\n\tint ret=0, reason=ERR_R_BIO_LIB;\n\tBN_CTX *ctx=NULL;\n\tconst EC_POINT *point=NULL;\n\tBIGNUM\t*p=NULL, *a=NULL, *b=NULL, *gen=NULL,\n\t\t*order=NULL, *cofactor=NULL;\n\tconst unsigned char *seed;\n\tsize_t\tseed_len=0;\n\tstatic const char *gen_compressed = "Generator (compressed):";\n\tstatic const char *gen_uncompressed = "Generator (uncompressed):";\n\tstatic const char *gen_hybrid = "Generator (hybrid):";\n\tif (!x)\n\t\t{\n\t\treason = ERR_R_PASSED_NULL_PARAMETER;\n\t\tgoto err;\n\t\t}\n\tctx = BN_CTX_new();\n\tif (ctx == NULL)\n\t\t{\n\t\treason = ERR_R_MALLOC_FAILURE;\n\t\tgoto err;\n\t\t}\n\tif (EC_GROUP_get_asn1_flag(x))\n\t\t{\n\t\tint nid;\n\t\tif (!BIO_indent(bp, off, 128))\n\t\t\tgoto err;\n\t\tnid = EC_GROUP_get_curve_name(x);\n\t\tif (nid == 0)\n\t\t\tgoto err;\n\t\tif (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)\n\t\t\tgoto err;\n\t\tif (BIO_printf(bp, "\\n") <= 0)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\t{\n\t\tint is_char_two = 0;\n\t\tpoint_conversion_form_t form;\n\t\tint tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));\n\t\tif (tmp_nid == NID_X9_62_characteristic_two_field)\n\t\t\tis_char_two = 1;\n\t\tif ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||\n\t\t\t(b = BN_new()) == NULL || (order = BN_new()) == NULL ||\n\t\t\t(cofactor = BN_new()) == NULL)\n\t\t\t{\n\t\t\treason = ERR_R_MALLOC_FAILURE;\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (is_char_two)\n\t\t\t{\n\t\t\tif (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))\n\t\t\t\t{\n\t\t\t\treason = ERR_R_EC_LIB;\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))\n\t\t\t\t{\n\t\t\t\treason = ERR_R_EC_LIB;\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\tif ((point = EC_GROUP_get0_generator(x)) == NULL)\n\t\t\t{\n\t\t\treason = ERR_R_EC_LIB;\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!EC_GROUP_get_order(x, order, NULL) ||\n \t\t!EC_GROUP_get_cofactor(x, cofactor, NULL))\n\t\t\t{\n\t\t\treason = ERR_R_EC_LIB;\n\t\t\tgoto err;\n\t\t\t}\n\t\tform = EC_GROUP_get_point_conversion_form(x);\n\t\tif ((gen = EC_POINT_point2bn(x, point,\n\t\t\t\tform, NULL, ctx)) == NULL)\n\t\t\t{\n\t\t\treason = ERR_R_EC_LIB;\n\t\t\tgoto err;\n\t\t\t}\n\t\tbuf_len = (size_t)BN_num_bytes(p);\n\t\tif (buf_len < (i = (size_t)BN_num_bytes(a)))\n\t\t\tbuf_len = i;\n\t\tif (buf_len < (i = (size_t)BN_num_bytes(b)))\n\t\t\tbuf_len = i;\n\t\tif (buf_len < (i = (size_t)BN_num_bytes(gen)))\n\t\t\tbuf_len = i;\n\t\tif (buf_len < (i = (size_t)BN_num_bytes(order)))\n\t\t\tbuf_len = i;\n\t\tif (buf_len < (i = (size_t)BN_num_bytes(cofactor)))\n\t\t\tbuf_len = i;\n\t\tif ((seed = EC_GROUP_get0_seed(x)) != NULL)\n\t\t\tseed_len = EC_GROUP_get_seed_len(x);\n\t\tbuf_len += 10;\n\t\tif ((buffer = OPENSSL_malloc(buf_len)) == NULL)\n\t\t\t{\n\t\t\treason = ERR_R_MALLOC_FAILURE;\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!BIO_indent(bp, off, 128))\n\t\t\tgoto err;\n\t\tif (BIO_printf(bp, "Field Type: %s\\n", OBJ_nid2sn(tmp_nid))\n\t\t\t<= 0)\n\t\t\tgoto err;\n\t\tif (is_char_two)\n\t\t\t{\n\t\t\tint basis_type = EC_GROUP_get_basis_type(x);\n\t\t\tif (basis_type == 0)\n\t\t\t\tgoto err;\n\t\t\tif (!BIO_indent(bp, off, 128))\n\t\t\t\tgoto err;\n\t\t\tif (BIO_printf(bp, "Basis Type: %s\\n",\n\t\t\t\tOBJ_nid2sn(basis_type)) <= 0)\n\t\t\t\tgoto err;\n\t\t\tif ((p != NULL) && !ASN1_bn_print(bp, "Polynomial:", p, buffer,\n\t\t\t\toff))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif ((p != NULL) && !ASN1_bn_print(bp, "Prime:", p, buffer,off))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\tif ((a != NULL) && !ASN1_bn_print(bp, "A: ", a, buffer, off))\n\t\t\tgoto err;\n\t\tif ((b != NULL) && !ASN1_bn_print(bp, "B: ", b, buffer, off))\n\t\t\tgoto err;\n\t\tif (form == POINT_CONVERSION_COMPRESSED)\n\t\t\t{\n\t\t\tif ((gen != NULL) && !ASN1_bn_print(bp, gen_compressed, gen,\n\t\t\t\tbuffer, off))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\telse if (form == POINT_CONVERSION_UNCOMPRESSED)\n\t\t\t{\n\t\t\tif ((gen != NULL) && !ASN1_bn_print(bp, gen_uncompressed, gen,\n\t\t\t\tbuffer, off))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif ((gen != NULL) && !ASN1_bn_print(bp, gen_hybrid, gen,\n\t\t\t\tbuffer, off))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\tif ((order != NULL) && !ASN1_bn_print(bp, "Order: ", order,\n\t\t\tbuffer, off)) goto err;\n\t\tif ((cofactor != NULL) && !ASN1_bn_print(bp, "Cofactor: ", cofactor,\n\t\t\tbuffer, off)) goto err;\n\t\tif (seed && !print_bin(bp, "Seed:", seed, seed_len, off))\n\t\t\tgoto err;\n\t\t}\n\tret=1;\nerr:\n\tif (!ret)\n \t\tECerr(EC_F_ECPKPARAMETERS_PRINT, reason);\n\tif (p)\n\t\tBN_free(p);\n\tif (a)\n\t\tBN_free(a);\n\tif (b)\n\t\tBN_free(b);\n\tif (gen)\n\t\tBN_free(gen);\n\tif (order)\n\t\tBN_free(order);\n\tif (cofactor)\n\t\tBN_free(cofactor);\n\tif (ctx)\n\t\tBN_CTX_free(ctx);\n\tif (buffer != NULL)\n\t\tOPENSSL_free(buffer);\n\treturn(ret);\n\t}', 'BIGNUM *EC_POINT_point2bn(const EC_GROUP *group,\n const EC_POINT *point,\n point_conversion_form_t form,\n BIGNUM *ret,\n BN_CTX *ctx)\n\t{\n\tsize_t buf_len=0;\n\tunsigned char *buf;\n\tbuf_len = EC_POINT_point2oct(group, point, form,\n NULL, 0, ctx);\n\tif (buf_len == 0)\n\t\treturn NULL;\n\tif ((buf = OPENSSL_malloc(buf_len)) == NULL)\n\t\treturn NULL;\n\tif (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx))\n\t\t{\n\t\tOPENSSL_free(buf);\n\t\treturn NULL;\n\t\t}\n\tret = BN_bin2bn(buf, buf_len, ret);\n\tOPENSSL_free(buf);\n\treturn ret;\n}', '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}'] |
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