id int64 1 36.7k | label int64 0 1 | bug_url stringlengths 91 134 | bug_function stringlengths 13 72.7k | functions stringlengths 17 79.2k |
|---|---|---|---|---|
16,601 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_shift.c/#L112 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return 0;
r->neg = a->neg;
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return 1;
} | ['static int test_kronecker(void)\n{\n BIGNUM *a = NULL, *b = NULL, *r = NULL, *t = NULL;\n int i, legendre, kronecker, st = 0;\n if (!TEST_ptr(a = BN_new())\n || !TEST_ptr(b = BN_new())\n || !TEST_ptr(r = BN_new())\n || !TEST_ptr(t = BN_new()))\n goto err;\n if (!TEST_true(BN_generate_prime_ex(b, 512, 0, NULL, NULL, NULL)))\n goto err;\n b->neg = rand_neg();\n for (i = 0; i < NUM0; i++) {\n if (!TEST_true(BN_bntest_rand(a, 512, 0, 0)))\n goto err;\n a->neg = rand_neg();\n if (!TEST_true(BN_copy(t, b)))\n goto err;\n t->neg = 0;\n if (!TEST_true(BN_sub_word(t, 1)))\n goto err;\n if (!TEST_true(BN_rshift1(t, t)))\n goto err;\n b->neg = 0;\n if (!TEST_true(BN_mod_exp_recp(r, a, t, b, ctx)))\n goto err;\n b->neg = 1;\n if (BN_is_word(r, 1))\n legendre = 1;\n else if (BN_is_zero(r))\n legendre = 0;\n else {\n if (!TEST_true(BN_add_word(r, 1)))\n goto err;\n if (!TEST_int_eq(BN_ucmp(r, b), 0)) {\n TEST_info("Legendre symbol computation failed");\n goto err;\n }\n legendre = -1;\n }\n if (!TEST_int_ge(kronecker = BN_kronecker(a, b, ctx), -1))\n goto err;\n if (a->neg && b->neg)\n kronecker = -kronecker;\n if (!TEST_int_eq(legendre, kronecker))\n goto err;\n }\n st = 1;\n err:\n BN_free(a);\n BN_free(b);\n BN_free(r);\n BN_free(t);\n return st;\n}', 'int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,\n const BIGNUM *add, const BIGNUM *rem, BN_GENCB *cb)\n{\n BIGNUM *t;\n int found = 0;\n int i, j, c1 = 0;\n BN_CTX *ctx = NULL;\n prime_t *mods = NULL;\n int checks = BN_prime_checks_for_size(bits);\n if (bits < 2) {\n BNerr(BN_F_BN_GENERATE_PRIME_EX, BN_R_BITS_TOO_SMALL);\n return 0;\n } else if (bits == 2 && safe) {\n BNerr(BN_F_BN_GENERATE_PRIME_EX, BN_R_BITS_TOO_SMALL);\n return 0;\n }\n mods = OPENSSL_zalloc(sizeof(*mods) * NUMPRIMES);\n if (mods == NULL)\n goto err;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n BN_CTX_start(ctx);\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n loop:\n if (add == NULL) {\n if (!probable_prime(ret, bits, mods))\n goto err;\n } else {\n if (safe) {\n if (!probable_prime_dh_safe(ret, bits, add, rem, ctx))\n goto err;\n } else {\n if (!bn_probable_prime_dh(ret, bits, add, rem, ctx))\n goto err;\n }\n }\n if (!BN_GENCB_call(cb, 0, c1++))\n goto err;\n if (!safe) {\n i = BN_is_prime_fasttest_ex(ret, checks, ctx, 0, cb);\n if (i == -1)\n goto err;\n if (i == 0)\n goto loop;\n } else {\n if (!BN_rshift1(t, ret))\n goto err;\n for (i = 0; i < checks; i++) {\n j = BN_is_prime_fasttest_ex(ret, 1, ctx, 0, cb);\n if (j == -1)\n goto err;\n if (j == 0)\n goto loop;\n j = BN_is_prime_fasttest_ex(t, 1, ctx, 0, cb);\n if (j == -1)\n goto err;\n if (j == 0)\n goto loop;\n if (!BN_GENCB_call(cb, 2, c1 - 1))\n goto err;\n }\n }\n found = 1;\n err:\n OPENSSL_free(mods);\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n bn_check_top(ret);\n return found;\n}', 'int bn_probable_prime_dh(BIGNUM *rnd, int bits,\n const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *t1;\n BN_CTX_start(ctx);\n if ((t1 = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_priv_rand(rnd, bits, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD))\n goto err;\n if (!BN_mod(t1, rnd, add, ctx))\n goto err;\n if (!BN_sub(rnd, rnd, t1))\n goto err;\n if (rem == NULL) {\n if (!BN_add_word(rnd, 1))\n goto err;\n } else {\n if (!BN_add(rnd, rnd, rem))\n goto err;\n }\n loop:\n for (i = 1; i < NUMPRIMES; i++) {\n BN_ULONG mod = BN_mod_word(rnd, (BN_ULONG)primes[i]);\n if (mod == (BN_ULONG)-1)\n goto err;\n if (mod <= 1) {\n if (!BN_add(rnd, rnd, add))\n goto err;\n goto loop;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\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 res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return 0;\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,602 | 0 | https://github.com/nginx/nginx/blob/ddb7cd1c410a7166d8e28092d714f782ed1d69b3/src/http/ngx_http_script.c/#L388 | ngx_int_t
ngx_http_script_compile(ngx_http_script_compile_t *sc)
{
u_char ch;
ngx_str_t name;
ngx_uint_t i, bracket;
if (ngx_http_script_init_arrays(sc) != NGX_OK) {
return NGX_ERROR;
}
for (i = 0; i < sc->source->len; ) {
name.len = 0;
if (sc->source->data[i] == '$') {
if (++i == sc->source->len) {
goto invalid_variable;
}
#if (NGX_PCRE)
{
ngx_uint_t n;
if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') {
n = sc->source->data[i] - '0';
if (sc->captures_mask & (1 << n)) {
sc->dup_capture = 1;
}
sc->captures_mask |= 1 << n;
if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) {
return NGX_ERROR;
}
i++;
continue;
}
}
#endif
if (sc->source->data[i] == '{') {
bracket = 1;
if (++i == sc->source->len) {
goto invalid_variable;
}
name.data = &sc->source->data[i];
} else {
bracket = 0;
name.data = &sc->source->data[i];
}
for ( ; i < sc->source->len; i++, name.len++) {
ch = sc->source->data[i];
if (ch == '}' && bracket) {
i++;
bracket = 0;
break;
}
if ((ch >= 'A' && ch <= 'Z')
|| (ch >= 'a' && ch <= 'z')
|| (ch >= '0' && ch <= '9')
|| ch == '_')
{
continue;
}
break;
}
if (bracket) {
ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,
"the closing bracket in \"%V\" "
"variable is missing", &name);
return NGX_ERROR;
}
if (name.len == 0) {
goto invalid_variable;
}
sc->variables++;
if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) {
return NGX_ERROR;
}
continue;
}
if (sc->source->data[i] == '?' && sc->compile_args) {
sc->args = 1;
sc->compile_args = 0;
if (ngx_http_script_add_args_code(sc) != NGX_OK) {
return NGX_ERROR;
}
i++;
continue;
}
name.data = &sc->source->data[i];
while (i < sc->source->len) {
if (sc->source->data[i] == '$') {
break;
}
if (sc->source->data[i] == '?') {
sc->args = 1;
if (sc->compile_args) {
break;
}
}
i++;
name.len++;
}
sc->size += name.len;
if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len))
!= NGX_OK)
{
return NGX_ERROR;
}
}
return ngx_http_script_done(sc);
invalid_variable:
ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");
return NGX_ERROR;
} | ['static ngx_int_t\nngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,\n ngx_http_proxy_loc_conf_t *prev)\n{\n u_char *p;\n size_t size;\n uintptr_t *code;\n ngx_uint_t i;\n ngx_array_t headers_names, headers_merged;\n ngx_keyval_t *src, *s, *h;\n ngx_hash_key_t *hk;\n ngx_hash_init_t hash;\n ngx_http_script_compile_t sc;\n ngx_http_script_copy_code_t *copy;\n if (conf->headers_source == NULL) {\n conf->flushes = prev->flushes;\n conf->headers_set_len = prev->headers_set_len;\n conf->headers_set = prev->headers_set;\n conf->headers_set_hash = prev->headers_set_hash;\n conf->headers_source = prev->headers_source;\n }\n if (conf->headers_set_hash.buckets\n && ((conf->body_source.data == NULL)\n == (prev->body_source.data == NULL))\n#if (NGX_HTTP_CACHE)\n && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))\n#endif\n )\n {\n return NGX_OK;\n }\n if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n if (conf->headers_source == NULL) {\n conf->headers_source = ngx_array_create(cf->pool, 4,\n sizeof(ngx_keyval_t));\n if (conf->headers_source == NULL) {\n return NGX_ERROR;\n }\n }\n conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);\n if (conf->headers_set_len == NULL) {\n return NGX_ERROR;\n }\n conf->headers_set = ngx_array_create(cf->pool, 512, 1);\n if (conf->headers_set == NULL) {\n return NGX_ERROR;\n }\n#if (NGX_HTTP_CACHE)\n h = conf->upstream.cache ? ngx_http_proxy_cache_headers:\n ngx_http_proxy_headers;\n#else\n h = ngx_http_proxy_headers;\n#endif\n src = conf->headers_source->elts;\n for (i = 0; i < conf->headers_source->nelts; i++) {\n s = ngx_array_push(&headers_merged);\n if (s == NULL) {\n return NGX_ERROR;\n }\n *s = src[i];\n }\n while (h->key.len) {\n src = headers_merged.elts;\n for (i = 0; i < headers_merged.nelts; i++) {\n if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {\n goto next;\n }\n }\n s = ngx_array_push(&headers_merged);\n if (s == NULL) {\n return NGX_ERROR;\n }\n *s = *h;\n next:\n h++;\n }\n if (conf->body_source.data) {\n s = ngx_array_push(&headers_merged);\n if (s == NULL) {\n return NGX_ERROR;\n }\n ngx_str_set(&s->key, "Content-Length");\n ngx_str_set(&s->value, "$proxy_internal_body_length");\n }\n src = headers_merged.elts;\n for (i = 0; i < headers_merged.nelts; i++) {\n hk = ngx_array_push(&headers_names);\n if (hk == NULL) {\n return NGX_ERROR;\n }\n hk->key = src[i].key;\n hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);\n hk->value = (void *) 1;\n if (src[i].value.len == 0) {\n continue;\n }\n if (ngx_http_script_variables_count(&src[i].value) == 0) {\n copy = ngx_array_push_n(conf->headers_set_len,\n sizeof(ngx_http_script_copy_code_t));\n if (copy == NULL) {\n return NGX_ERROR;\n }\n copy->code = (ngx_http_script_code_pt)\n ngx_http_script_copy_len_code;\n copy->len = src[i].key.len + sizeof(": ") - 1\n + src[i].value.len + sizeof(CRLF) - 1;\n size = (sizeof(ngx_http_script_copy_code_t)\n + src[i].key.len + sizeof(": ") - 1\n + src[i].value.len + sizeof(CRLF) - 1\n + sizeof(uintptr_t) - 1)\n & ~(sizeof(uintptr_t) - 1);\n copy = ngx_array_push_n(conf->headers_set, size);\n if (copy == NULL) {\n return NGX_ERROR;\n }\n copy->code = ngx_http_script_copy_code;\n copy->len = src[i].key.len + sizeof(": ") - 1\n + src[i].value.len + sizeof(CRLF) - 1;\n p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);\n p = ngx_cpymem(p, src[i].key.data, src[i].key.len);\n *p++ = \':\'; *p++ = \' \';\n p = ngx_cpymem(p, src[i].value.data, src[i].value.len);\n *p++ = CR; *p = LF;\n } else {\n copy = ngx_array_push_n(conf->headers_set_len,\n sizeof(ngx_http_script_copy_code_t));\n if (copy == NULL) {\n return NGX_ERROR;\n }\n copy->code = (ngx_http_script_code_pt)\n ngx_http_script_copy_len_code;\n copy->len = src[i].key.len + sizeof(": ") - 1;\n size = (sizeof(ngx_http_script_copy_code_t)\n + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)\n & ~(sizeof(uintptr_t) - 1);\n copy = ngx_array_push_n(conf->headers_set, size);\n if (copy == NULL) {\n return NGX_ERROR;\n }\n copy->code = ngx_http_script_copy_code;\n copy->len = src[i].key.len + sizeof(": ") - 1;\n p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);\n p = ngx_cpymem(p, src[i].key.data, src[i].key.len);\n *p++ = \':\'; *p = \' \';\n ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));\n sc.cf = cf;\n sc.source = &src[i].value;\n sc.flushes = &conf->flushes;\n sc.lengths = &conf->headers_set_len;\n sc.values = &conf->headers_set;\n if (ngx_http_script_compile(&sc) != NGX_OK) {\n return NGX_ERROR;\n }\n copy = ngx_array_push_n(conf->headers_set_len,\n sizeof(ngx_http_script_copy_code_t));\n if (copy == NULL) {\n return NGX_ERROR;\n }\n copy->code = (ngx_http_script_code_pt)\n ngx_http_script_copy_len_code;\n copy->len = sizeof(CRLF) - 1;\n size = (sizeof(ngx_http_script_copy_code_t)\n + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)\n & ~(sizeof(uintptr_t) - 1);\n copy = ngx_array_push_n(conf->headers_set, size);\n if (copy == NULL) {\n return NGX_ERROR;\n }\n copy->code = ngx_http_script_copy_code;\n copy->len = sizeof(CRLF) - 1;\n p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);\n *p++ = CR; *p = LF;\n }\n code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));\n if (code == NULL) {\n return NGX_ERROR;\n }\n *code = (uintptr_t) NULL;\n code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));\n if (code == NULL) {\n return NGX_ERROR;\n }\n *code = (uintptr_t) NULL;\n }\n code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));\n if (code == NULL) {\n return NGX_ERROR;\n }\n *code = (uintptr_t) NULL;\n hash.hash = &conf->headers_set_hash;\n hash.key = ngx_hash_key_lc;\n hash.max_size = conf->headers_hash_max_size;\n hash.bucket_size = conf->headers_hash_bucket_size;\n hash.name = "proxy_headers_hash";\n hash.pool = cf->pool;\n hash.temp_pool = NULL;\n return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);\n}', 'ngx_int_t\nngx_http_script_compile(ngx_http_script_compile_t *sc)\n{\n u_char ch;\n ngx_str_t name;\n ngx_uint_t i, bracket;\n if (ngx_http_script_init_arrays(sc) != NGX_OK) {\n return NGX_ERROR;\n }\n for (i = 0; i < sc->source->len; ) {\n name.len = 0;\n if (sc->source->data[i] == \'$\') {\n if (++i == sc->source->len) {\n goto invalid_variable;\n }\n#if (NGX_PCRE)\n {\n ngx_uint_t n;\n if (sc->source->data[i] >= \'1\' && sc->source->data[i] <= \'9\') {\n n = sc->source->data[i] - \'0\';\n if (sc->captures_mask & (1 << n)) {\n sc->dup_capture = 1;\n }\n sc->captures_mask |= 1 << n;\n if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) {\n return NGX_ERROR;\n }\n i++;\n continue;\n }\n }\n#endif\n if (sc->source->data[i] == \'{\') {\n bracket = 1;\n if (++i == sc->source->len) {\n goto invalid_variable;\n }\n name.data = &sc->source->data[i];\n } else {\n bracket = 0;\n name.data = &sc->source->data[i];\n }\n for ( ; i < sc->source->len; i++, name.len++) {\n ch = sc->source->data[i];\n if (ch == \'}\' && bracket) {\n i++;\n bracket = 0;\n break;\n }\n if ((ch >= \'A\' && ch <= \'Z\')\n || (ch >= \'a\' && ch <= \'z\')\n || (ch >= \'0\' && ch <= \'9\')\n || ch == \'_\')\n {\n continue;\n }\n break;\n }\n if (bracket) {\n ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,\n "the closing bracket in \\"%V\\" "\n "variable is missing", &name);\n return NGX_ERROR;\n }\n if (name.len == 0) {\n goto invalid_variable;\n }\n sc->variables++;\n if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) {\n return NGX_ERROR;\n }\n continue;\n }\n if (sc->source->data[i] == \'?\' && sc->compile_args) {\n sc->args = 1;\n sc->compile_args = 0;\n if (ngx_http_script_add_args_code(sc) != NGX_OK) {\n return NGX_ERROR;\n }\n i++;\n continue;\n }\n name.data = &sc->source->data[i];\n while (i < sc->source->len) {\n if (sc->source->data[i] == \'$\') {\n break;\n }\n if (sc->source->data[i] == \'?\') {\n sc->args = 1;\n if (sc->compile_args) {\n break;\n }\n }\n i++;\n name.len++;\n }\n sc->size += name.len;\n if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n }\n return ngx_http_script_done(sc);\ninvalid_variable:\n ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");\n return NGX_ERROR;\n}'] |
16,603 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/bn/bn_lib.c/#L567 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
int i,n;
if (bn_expand(a,sizeof(BN_ULONG)*8) == NULL) return(0);
n=sizeof(BN_ULONG)/BN_BYTES;
a->neg=0;
a->top=0;
a->d[0]=(BN_ULONG)w&BN_MASK2;
if (a->d[0] != 0) a->top=1;
for (i=1; i<n; i++)
{
#ifndef SIXTY_FOUR_BIT
w>>=BN_BITS4;
w>>=BN_BITS4;
#endif
a->d[i]=(BN_ULONG)w&BN_MASK2;
if (a->d[i] != 0) a->top=i+1;
}
return(1);
} | ['int BN_MONT_CTX_set(BN_MONT_CTX *mont, BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tBIGNUM Ri,*R;\n\tBN_init(&Ri);\n\tR= &(mont->RR);\n\tBN_copy(&(mont->N),mod);\n#ifdef BN_RECURSION_MONT\n\tif (mont->N.top < BN_MONT_CTX_SET_SIZE_WORD)\n#endif\n\t\t{\n\t\tBIGNUM tmod;\n\t\tBN_ULONG buf[2];\n\t\tmont->use_word=1;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n\t\tBN_zero(R);\n\t\tBN_set_bit(R,BN_BITS2);\n\t\tbuf[0]=mod->d[0];\n\t\tbuf[1]=0;\n\t\ttmod.d=buf;\n\t\ttmod.top=1;\n\t\ttmod.max=mod->max;\n\t\ttmod.neg=mod->neg;\n\t\tif ((BN_mod_inverse(&Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tBN_lshift(&Ri,&Ri,BN_BITS2);\n\t\tif (!BN_is_zero(&Ri))\n\t\t\t{\n#if 1\n\t\t\tBN_sub_word(&Ri,1);\n#else\n\t\t\tBN_usub(&Ri,&Ri,BN_value_one());\n#endif\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBN_set_word(&Ri,BN_MASK2);\n\t\t\t}\n\t\tBN_div(&Ri,NULL,&Ri,&tmod,ctx);\n\t\tmont->n0=Ri.d[0];\n\t\tBN_free(&Ri);\n\t\t}\n#ifdef BN_RECURSION_MONT\n\telse\n\t\t{\n\t\tmont->use_word=0;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n#if 1\n\t\tBN_zero(R);\n\t\tBN_set_bit(R,mont->ri);\n#else\n\t\tBN_lshift(R,BN_value_one(),mont->ri);\n#endif\n\t\tif ((BN_mod_inverse(&Ri,R,mod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tBN_lshift(&Ri,&Ri,mont->ri);\n#if 1\n\t\tBN_sub_word(&Ri,1);\n#else\n\t\tBN_usub(&Ri,&Ri,BN_value_one());\n#endif\n\t\tBN_div(&(mont->Ni),NULL,&Ri,mod,ctx);\n\t\tBN_free(&Ri);\n\t\t}\n#endif\n#if 1\n\tBN_zero(&(mont->RR));\n\tBN_set_bit(&(mont->RR),mont->ri*2);\n#else\n\tBN_lshift(mont->RR,BN_value_one(),mont->ri*2);\n#endif\n\tBN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx);\n\treturn(1);\nerr:\n\treturn(0);\n\t}', 'BIGNUM *BN_mod_inverse(BIGNUM *in, BIGNUM *a, BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*R;\n\tBIGNUM *T,*ret=NULL;\n\tint sign;\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tA= &(ctx->bn[ctx->tos]);\n\tB= &(ctx->bn[ctx->tos+1]);\n\tX= &(ctx->bn[ctx->tos+2]);\n\tD= &(ctx->bn[ctx->tos+3]);\n\tM= &(ctx->bn[ctx->tos+4]);\n\tY= &(ctx->bn[ctx->tos+5]);\n\tctx->tos+=6;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_zero(X);\n\tBN_one(Y);\n\tif (BN_copy(A,a) == NULL) goto err;\n\tif (BN_copy(B,n) == NULL) goto err;\n\tsign=1;\n\twhile (!BN_is_zero(B))\n\t\t{\n\t\tif (!BN_div(D,M,A,B,ctx)) goto err;\n\t\tT=A;\n\t\tA=B;\n\t\tB=M;\n\t\tif (!BN_mul(T,D,X,ctx)) goto err;\n\t\tif (!BN_add(T,T,Y)) goto err;\n\t\tM=Y;\n\t\tY=X;\n\t\tX=T;\n\t\tsign= -sign;\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{ if (!BN_mod(R,Y,n,ctx)) goto err; }\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tctx->tos-=6;\n\treturn(ret);\n\t}', 'int BN_lshift(BIGNUM *r, BIGNUM *a, int n)\n\t{\n\tint i,nw,lb,rb;\n\tBN_ULONG *t,*f;\n\tBN_ULONG l;\n\tr->neg=a->neg;\n\tif (bn_wexpand(r,a->top+(n/BN_BITS2)+1) == NULL) return(0);\n\tnw=n/BN_BITS2;\n\tlb=n%BN_BITS2;\n\trb=BN_BITS2-lb;\n\tf=a->d;\n\tt=r->d;\n\tt[a->top+nw]=0;\n\tif (lb == 0)\n\t\tfor (i=a->top-1; i>=0; i--)\n\t\t\tt[nw+i]=f[i];\n\telse\n\t\tfor (i=a->top-1; i>=0; i--)\n\t\t\t{\n\t\t\tl=f[i];\n\t\t\tt[nw+i+1]|=(l>>rb)&BN_MASK2;\n\t\t\tt[nw+i]=(l<<lb)&BN_MASK2;\n\t\t\t}\n\tmemset(t,0,nw*sizeof(t[0]));\n\tr->top=a->top+nw+1;\n\tbn_fix_top(r);\n\treturn(1);\n\t}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n\t{\n\tint i,n;\n\tif (bn_expand(a,sizeof(BN_ULONG)*8) == NULL) return(0);\n\tn=sizeof(BN_ULONG)/BN_BYTES;\n\ta->neg=0;\n\ta->top=0;\n\ta->d[0]=(BN_ULONG)w&BN_MASK2;\n\tif (a->d[0] != 0) a->top=1;\n\tfor (i=1; i<n; i++)\n\t\t{\n#ifndef SIXTY_FOUR_BIT\n\t\tw>>=BN_BITS4;\n\t\tw>>=BN_BITS4;\n#endif\n\t\ta->d[i]=(BN_ULONG)w&BN_MASK2;\n\t\tif (a->d[i] != 0) a->top=i+1;\n\t\t}\n\treturn(1);\n\t}'] |
16,604 | 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);
} | ['static int test_exp_mod_zero()\n{\n BIGNUM *a = NULL, *p = NULL, *m = NULL;\n BIGNUM *r = NULL;\n BN_ULONG one_word = 1;\n BN_CTX *ctx = BN_CTX_new();\n int ret = 1, failed = 0;\n m = BN_new();\n if (!m)\n goto err;\n BN_one(m);\n a = BN_new();\n if (!a)\n goto err;\n BN_one(a);\n p = BN_new();\n if (!p)\n goto err;\n BN_zero(p);\n r = BN_new();\n if (!r)\n goto err;\n if (!BN_rand(a, 1024, 0, 0))\n goto err;\n if (!BN_mod_exp(r, a, p, m, ctx))\n goto err;\n if (!a_is_zero_mod_one("BN_mod_exp", r, a))\n failed = 1;\n if (!BN_mod_exp_recp(r, a, p, m, ctx))\n goto err;\n if (!a_is_zero_mod_one("BN_mod_exp_recp", r, a))\n failed = 1;\n if (!BN_mod_exp_simple(r, a, p, m, ctx))\n goto err;\n if (!a_is_zero_mod_one("BN_mod_exp_simple", r, a))\n failed = 1;\n if (!BN_mod_exp_mont(r, a, p, m, ctx, NULL))\n goto err;\n if (!a_is_zero_mod_one("BN_mod_exp_mont", r, a))\n failed = 1;\n if (!BN_mod_exp_mont_consttime(r, a, p, m, ctx, NULL)) {\n goto err;\n }\n if (!a_is_zero_mod_one("BN_mod_exp_mont_consttime", r, a))\n failed = 1;\n if (!BN_mod_exp_mont_word(r, one_word, p, m, ctx, NULL))\n goto err;\n if (!BN_is_zero(r)) {\n fprintf(stderr, "BN_mod_exp_mont_word failed:\\n");\n fprintf(stderr, "1 ** 0 mod 1 = r (should be 0)\\n");\n fprintf(stderr, "r = ");\n BN_print_fp(stderr, r);\n fprintf(stderr, "\\n");\n return 0;\n }\n ret = failed;\n err:\n BN_free(r);\n BN_free(a);\n BN_free(p);\n BN_free(m);\n BN_CTX_free(ctx);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_mod_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}'] |
16,605 | 0 | https://github.com/openssl/openssl/blob/5d1c09de1f2736e1d4b1877206d08455ec75f558/crypto/bn/bn_mont.c/#L125 | static int bn_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
{
BIGNUM *n;
BN_ULONG *ap, *np, *rp, n0, v, carry;
int nl, max, i;
n = &(mont->N);
nl = n->top;
if (nl == 0) {
ret->top = 0;
return 1;
}
max = (2 * nl);
if (bn_wexpand(r, max) == NULL)
return 0;
r->neg ^= n->neg;
np = n->d;
rp = r->d;
i = max - r->top;
if (i)
memset(&rp[r->top], 0, sizeof(*rp) * i);
r->top = max;
r->flags |= BN_FLG_FIXED_TOP;
n0 = mont->n0[0];
for (carry = 0, i = 0; i < nl; i++, rp++) {
v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);
v = (v + carry + rp[nl]) & BN_MASK2;
carry |= (v != rp[nl]);
carry &= (v <= rp[nl]);
rp[nl] = v;
}
if (bn_wexpand(ret, nl) == NULL)
return 0;
ret->top = nl;
ret->flags |= BN_FLG_FIXED_TOP;
ret->neg = r->neg;
rp = ret->d;
ap = &(r->d[nl]);
carry -= bn_sub_words(rp, ap, np, nl);
for (i = 0; i < nl; i++) {
rp[i] = (carry & ap[i]) | (~carry & rp[i]);
ap[i] = 0;
}
return 1;
} | ['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_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(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 ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'static int bn_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)\n{\n BIGNUM *n;\n BN_ULONG *ap, *np, *rp, n0, v, carry;\n int nl, max, i;\n n = &(mont->N);\n nl = n->top;\n if (nl == 0) {\n ret->top = 0;\n return 1;\n }\n max = (2 * nl);\n if (bn_wexpand(r, max) == NULL)\n return 0;\n r->neg ^= n->neg;\n np = n->d;\n rp = r->d;\n i = max - r->top;\n if (i)\n memset(&rp[r->top], 0, sizeof(*rp) * i);\n r->top = max;\n r->flags |= BN_FLG_FIXED_TOP;\n n0 = mont->n0[0];\n for (carry = 0, i = 0; i < nl; i++, rp++) {\n v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);\n v = (v + carry + rp[nl]) & BN_MASK2;\n carry |= (v != rp[nl]);\n carry &= (v <= rp[nl]);\n rp[nl] = v;\n }\n if (bn_wexpand(ret, nl) == NULL)\n return 0;\n ret->top = nl;\n ret->flags |= BN_FLG_FIXED_TOP;\n ret->neg = r->neg;\n rp = ret->d;\n ap = &(r->d[nl]);\n carry -= bn_sub_words(rp, ap, np, nl);\n for (i = 0; i < nl; i++) {\n rp[i] = (carry & ap[i]) | (~carry & rp[i]);\n ap[i] = 0;\n }\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,606 | 0 | https://github.com/libav/libav/blob/8bd1956462e862315a78ca6442c5b54c5dd1f826/ffmpeg.c/#L3725 | 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;
AVMetadataTag *tag = NULL;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
ffmpeg_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);
ffmpeg_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);
ffmpeg_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);
ffmpeg_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, nb_output_files);
if (use_audio) new_audio_stream(oc, nb_output_files);
if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
oc->timestamp = recording_timestamp;
while ((tag = av_metadata_get(metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
av_metadata_set2(&oc->metadata, tag->key, tag->value, 0);
av_metadata_free(&metadata);
}
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);
ffmpeg_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");
ffmpeg_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
ffmpeg_exit(1);
}
}
}
if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
ffmpeg_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, NULL);
nb_streamid_map = 0;
av_freep(&forced_key_frames);
} | ['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 AVMetadataTag *tag = NULL;\n if (!strcmp(filename, "-"))\n filename = "pipe:";\n oc = avformat_alloc_context();\n if (!oc) {\n print_error(filename, AVERROR(ENOMEM));\n ffmpeg_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 ffmpeg_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 ffmpeg_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 ffmpeg_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) use_audio = 0;\n if (video_disable) use_video = 0;\n if (subtitle_disable) use_subtitle = 0;\n if (use_video) new_video_stream(oc, nb_output_files);\n if (use_audio) new_audio_stream(oc, nb_output_files);\n if (use_subtitle) new_subtitle_stream(oc, nb_output_files);\n oc->timestamp = recording_timestamp;\n while ((tag = av_metadata_get(metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))\n av_metadata_set2(&oc->metadata, tag->key, tag->value, 0);\n av_metadata_free(&metadata);\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 ffmpeg_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 ffmpeg_exit(1);\n }\n }\n else {\n fprintf(stderr,"File \'%s\' already exists. Exiting.\\n", filename);\n ffmpeg_exit(1);\n }\n }\n }\n if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {\n print_error(filename, err);\n ffmpeg_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 ffmpeg_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, NULL);\n nb_streamid_map = 0;\n av_freep(&forced_key_frames);\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(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}', '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}'] |
16,607 | 0 | https://github.com/openssl/openssl/blob/09c4b4e0b7c795daa99aeca27f83fcac007db33d/crypto/bn/bn_add.c/#L228 | int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
{
int max,min;
register BN_ULONG t1,t2,*ap,*bp,*rp;
int i,carry;
#if defined(IRIX_CC_BUG) && !defined(LINT)
int dummy;
#endif
bn_check_top(a);
bn_check_top(b);
if (a->top < b->top)
{
BNerr(BN_F_BN_USUB,BN_R_ARG2_LT_ARG3);
return(0);
}
max=a->top;
min=b->top;
if (bn_wexpand(r,max) == NULL) return(0);
ap=a->d;
bp=b->d;
rp=r->d;
#if 1
carry=0;
for (i=0; i<min; i++)
{
t1= *(ap++);
t2= *(bp++);
if (carry)
{
carry=(t1 <= t2);
t1=(t1-t2-1)&BN_MASK2;
}
else
{
carry=(t1 < t2);
t1=(t1-t2)&BN_MASK2;
}
#if defined(IRIX_CC_BUG) && !defined(LINT)
dummy=t1;
#endif
*(rp++)=t1&BN_MASK2;
}
#else
carry=bn_sub_words(rp,ap,bp,min);
ap+=min;
bp+=min;
rp+=min;
i=min;
#endif
if (carry)
{
while (i < max)
{
i++;
t1= *(ap++);
t2=(t1-1)&BN_MASK2;
*(rp++)=t2;
if (t1 > t2) break;
}
}
#if 0
memcpy(rp,ap,sizeof(*rp)*(max-i));
#else
if (rp != ap)
{
for (;;)
{
if (i++ >= max) break;
rp[0]=ap[0];
if (i++ >= max) break;
rp[1]=ap[1];
if (i++ >= max) break;
rp[2]=ap[2];
if (i++ >= max) break;
rp[3]=ap[3];
rp+=4;
ap+=4;
}
}
#endif
r->top=max;
r->neg=0;
bn_fix_top(r);
return(1);
} | ['int ec_GFp_simple_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,\n\tconst BIGNUM *x_, int y_bit, BN_CTX *ctx)\n\t{\n\tBN_CTX *new_ctx = NULL;\n\tBIGNUM *tmp1, *tmp2, *x, *y;\n\tint ret = 0;\n\tif (ctx == NULL)\n\t\t{\n\t\tctx = new_ctx = BN_CTX_new();\n\t\tif (ctx == NULL)\n\t\t\treturn 0;\n\t\t}\n\ty_bit = (y_bit != 0);\n\tBN_CTX_start(ctx);\n\ttmp1 = BN_CTX_get(ctx);\n\ttmp2 = BN_CTX_get(ctx);\n\tx = BN_CTX_get(ctx);\n\ty = BN_CTX_get(ctx);\n\tif (y == NULL) goto err;\n\tif (!BN_nnmod(x, x_, &group->field,ctx)) goto err;\n\tif (group->meth->field_decode == 0)\n\t\t{\n\t\tif (!group->meth->field_sqr(group, tmp2, x_, ctx)) goto err;\n\t\tif (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_mod_sqr(tmp2, x_, &group->field, ctx)) goto err;\n\t\tif (!BN_mod_mul(tmp1, tmp2, x_, &group->field, ctx)) goto err;\n\t\t}\n\tif (group->a_is_minus3)\n\t\t{\n\t\tif (!BN_mod_lshift1_quick(tmp2, x, &group->field)) goto err;\n\t\tif (!BN_mod_add_quick(tmp2, tmp2, x, &group->field)) goto err;\n\t\tif (!BN_mod_sub_quick(tmp1, tmp1, tmp2, &group->field)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (group->meth->field_decode)\n\t\t\t{\n\t\t\tif (!group->meth->field_decode(group, tmp2, &group->a, ctx)) goto err;\n\t\t\tif (!BN_mod_mul(tmp2, tmp2, x, &group->field, ctx)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!group->meth->field_mul(group, tmp2, &group->a, x, ctx)) goto err;\n\t\t\t}\n\t\tif (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) goto err;\n\t\t}\n\tif (group->meth->field_decode)\n\t\t{\n\t\tif (!group->meth->field_decode(group, tmp2, &group->b, ctx)) goto err;\n\t\tif (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_mod_add_quick(tmp1, tmp1, &group->b, &group->field)) goto err;\n\t\t}\n\tif (!BN_mod_sqrt(y, tmp1, &group->field, ctx))\n\t\t{\n\t\tunsigned long err = ERR_peek_error();\n\t\tif (ERR_GET_LIB(err) == ERR_LIB_BN && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE)\n\t\t\t{\n\t\t\t(void)ERR_get_error();\n\t\t\tECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP, EC_R_INVALID_COMPRESSED_POINT);\n\t\t\t}\n\t\telse\n\t\t\tECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP, ERR_R_BN_LIB);\n\t\tgoto err;\n\t\t}\n\tif (y_bit != BN_is_odd(y))\n\t\t{\n\t\tif (BN_is_zero(y))\n\t\t\t{\n\t\t\tint kron;\n\t\t\tkron = BN_kronecker(x, &group->field, ctx);\n\t\t\tif (kron == -2) goto err;\n\t\t\tif (kron == 1)\n\t\t\t\tECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP, EC_R_INVALID_COMPRESSION_BIT);\n\t\t\telse\n\t\t\t\tECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP, EC_R_INVALID_COMPRESSED_POINT);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!BN_usub(y, &group->field, y)) goto err;\n\t\t}\n\tif (y_bit != BN_is_odd(y))\n\t\t{\n\t\tECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP, ERR_R_INTERNAL_ERROR);\n\t\tgoto err;\n\t\t}\n\tif (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) goto err;\n\tret = 1;\n err:\n\tBN_CTX_end(ctx);\n\tif (new_ctx != NULL)\n\t\tBN_CTX_free(new_ctx);\n\treturn ret;\n\t}', 'BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n\t{\n\tBIGNUM *ret = in;\n\tint err = 1;\n\tint r;\n\tBIGNUM *b, *q, *t, *x, *y;\n\tint e, i, j;\n\tif (!BN_is_odd(p) || BN_abs_is_word(p, 1))\n\t\t{\n\t\tif (BN_abs_is_word(p, 2))\n\t\t\t{\n\t\t\tif (ret == NULL)\n\t\t\t\tret = BN_new();\n\t\t\tif (ret == NULL)\n\t\t\t\tgoto end;\n\t\t\tif (!BN_set_word(ret, BN_is_bit_set(a, 0)))\n\t\t\t\t{\n\t\t\t\tBN_free(ret);\n\t\t\t\treturn NULL;\n\t\t\t\t}\n\t\t\treturn ret;\n\t\t\t}\n\t\tBNerr(BN_F_BN_MOD_SQRT, BN_R_P_IS_NOT_PRIME);\n\t\treturn(NULL);\n\t\t}\n\tif (BN_is_zero(a) || BN_is_one(a))\n\t\t{\n\t\tif (ret == NULL)\n\t\t\tret = BN_new();\n\t\tif (ret == NULL)\n\t\t\tgoto end;\n\t\tif (!BN_set_word(ret, BN_is_one(a)))\n\t\t\t{\n\t\t\tBN_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\treturn ret;\n\t\t}\n#if 0\n\tr = BN_kronecker(a, p, ctx);\n\tif (r < -1) return NULL;\n\tif (r == -1)\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_SQRT, BN_R_NOT_A_SQUARE);\n\t\treturn(NULL);\n\t\t}\n#endif\n\tBN_CTX_start(ctx);\n\tb = BN_CTX_get(ctx);\n\tq = BN_CTX_get(ctx);\n\tt = BN_CTX_get(ctx);\n\tx = BN_CTX_get(ctx);\n\ty = BN_CTX_get(ctx);\n\tif (y == NULL) goto end;\n\tif (ret == NULL)\n\t\tret = BN_new();\n\tif (ret == NULL) goto end;\n\te = 1;\n\twhile (!BN_is_bit_set(p, e))\n\t\te++;\n\tif (e == 1)\n\t\t{\n\t\tif (!BN_rshift(q, p, 2)) goto end;\n\t\tq->neg = 0;\n\t\tif (!BN_add_word(q, 1)) goto end;\n\t\tif (!BN_mod_exp(ret, a, q, p, ctx)) goto end;\n\t\terr = 0;\n\t\tgoto end;\n\t\t}\n\tif (e == 2)\n\t\t{\n\t\tif (a->neg || BN_ucmp(a, p) >= 0)\n\t\t\t{\n\t\t\tif (!BN_nnmod(x, a, p, ctx)) goto end;\n\t\t\ta = x;\n\t\t\t}\n\t\tif (!BN_mod_lshift1_quick(t, a, p)) goto end;\n\t\tif (!BN_rshift(q, p, 3)) goto end;\n\t\tq->neg = 0;\n\t\tif (!BN_mod_exp(b, t, q, p, ctx)) goto end;\n\t\tif (!BN_mod_sqr(y, b, p, ctx)) goto end;\n\t\tif (!BN_mod_mul(t, t, y, p, ctx)) goto end;\n\t\tif (!BN_sub_word(t, 1)) goto end;\n\t\tif (!BN_mod_mul(x, a, b, p, ctx)) goto end;\n\t\tif (!BN_mod_mul(x, x, t, p, ctx)) goto end;\n\t\tif (!BN_copy(ret, x)) goto end;\n\t\terr = 0;\n\t\tgoto end;\n\t\t}\n\tif (!BN_copy(q, p)) goto end;\n\tq->neg = 0;\n\ti = 2;\n\tdo\n\t\t{\n\t\tif (i < 22)\n\t\t\t{\n\t\t\tif (!BN_set_word(y, i)) goto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_pseudo_rand(y, BN_num_bits(p), 0, 0)) goto end;\n\t\t\tif (BN_ucmp(y, p) >= 0)\n\t\t\t\t{\n\t\t\t\tif (!(p->neg ? BN_add : BN_sub)(y, y, p)) goto end;\n\t\t\t\t}\n\t\t\tif (BN_is_zero(y))\n\t\t\t\tif (!BN_set_word(y, i)) goto end;\n\t\t\t}\n\t\tr = BN_kronecker(y, q, ctx);\n\t\tif (r < -1) goto end;\n\t\tif (r == 0)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_MOD_SQRT, BN_R_P_IS_NOT_PRIME);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\twhile (r == 1 && ++i < 82);\n\tif (r != -1)\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_SQRT, BN_R_TOO_MANY_ITERATIONS);\n\t\tgoto end;\n\t\t}\n\tif (!BN_rshift(q, q, e)) goto end;\n\tif (!BN_mod_exp(y, y, q, p, ctx)) goto end;\n\tif (BN_is_one(y))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_SQRT, BN_R_P_IS_NOT_PRIME);\n\t\tgoto end;\n\t\t}\n\tif (!BN_rshift1(t, q)) goto end;\n\tif (BN_is_zero(t))\n\t\t{\n\t\tif (!BN_nnmod(t, a, p, ctx)) goto end;\n\t\tif (BN_is_zero(t))\n\t\t\t{\n\t\t\tif (!BN_zero(ret)) goto end;\n\t\t\terr = 0;\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\tif (!BN_one(x)) goto end;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_mod_exp(x, a, t, p, ctx)) goto end;\n\t\tif (BN_is_zero(x))\n\t\t\t{\n\t\t\tif (!BN_zero(ret)) goto end;\n\t\t\terr = 0;\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (!BN_mod_sqr(b, x, p, ctx)) goto end;\n\tif (!BN_mod_mul(b, b, a, p, ctx)) goto end;\n\tif (!BN_mod_mul(x, x, a, p, ctx)) goto end;\n\twhile (1)\n\t\t{\n\t\tif (BN_is_one(b))\n\t\t\t{\n\t\t\tif (!BN_copy(ret, x)) goto end;\n\t\t\terr = 0;\n\t\t\tgoto end;\n\t\t\t}\n\t\ti = 1;\n\t\tif (!BN_mod_sqr(t, b, p, ctx)) goto end;\n\t\twhile (!BN_is_one(t))\n\t\t\t{\n\t\t\ti++;\n\t\t\tif (i == e)\n\t\t\t\t{\n\t\t\t\tBNerr(BN_F_BN_MOD_SQRT, BN_R_NOT_A_SQUARE);\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif (!BN_mod_mul(t, t, t, p, ctx)) goto end;\n\t\t\t}\n\t\tif (!BN_copy(t, y)) goto end;\n\t\tfor (j = e - i - 1; j > 0; j--)\n\t\t\t{\n\t\t\tif (!BN_mod_sqr(t, t, p, ctx)) goto end;\n\t\t\t}\n\t\tif (!BN_mod_mul(y, t, t, p, ctx)) goto end;\n\t\tif (!BN_mod_mul(x, x, t, p, ctx)) goto end;\n\t\tif (!BN_mod_mul(b, b, y, p, ctx)) goto end;\n\t\te = i;\n\t\t}\n end:\n\tif (err)\n\t\t{\n\t\tif (ret != NULL && ret != in)\n\t\t\t{\n\t\t\tBN_clear_free(ret);\n\t\t\t}\n\t\tret = NULL;\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n\t{\n\tint max,min;\n\tregister BN_ULONG t1,t2,*ap,*bp,*rp;\n\tint i,carry;\n#if defined(IRIX_CC_BUG) && !defined(LINT)\n\tint dummy;\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (a->top < b->top)\n\t\t{\n\t\tBNerr(BN_F_BN_USUB,BN_R_ARG2_LT_ARG3);\n\t\treturn(0);\n\t\t}\n\tmax=a->top;\n\tmin=b->top;\n\tif (bn_wexpand(r,max) == NULL) return(0);\n\tap=a->d;\n\tbp=b->d;\n\trp=r->d;\n#if 1\n\tcarry=0;\n\tfor (i=0; i<min; i++)\n\t\t{\n\t\tt1= *(ap++);\n\t\tt2= *(bp++);\n\t\tif (carry)\n\t\t\t{\n\t\t\tcarry=(t1 <= t2);\n\t\t\tt1=(t1-t2-1)&BN_MASK2;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tcarry=(t1 < t2);\n\t\t\tt1=(t1-t2)&BN_MASK2;\n\t\t\t}\n#if defined(IRIX_CC_BUG) && !defined(LINT)\n\t\tdummy=t1;\n#endif\n\t\t*(rp++)=t1&BN_MASK2;\n\t\t}\n#else\n\tcarry=bn_sub_words(rp,ap,bp,min);\n\tap+=min;\n\tbp+=min;\n\trp+=min;\n\ti=min;\n#endif\n\tif (carry)\n\t\t{\n\t\twhile (i < max)\n\t\t\t{\n\t\t\ti++;\n\t\t\tt1= *(ap++);\n\t\t\tt2=(t1-1)&BN_MASK2;\n\t\t\t*(rp++)=t2;\n\t\t\tif (t1 > t2) break;\n\t\t\t}\n\t\t}\n#if 0\n\tmemcpy(rp,ap,sizeof(*rp)*(max-i));\n#else\n\tif (rp != ap)\n\t\t{\n\t\tfor (;;)\n\t\t\t{\n\t\t\tif (i++ >= max) break;\n\t\t\trp[0]=ap[0];\n\t\t\tif (i++ >= max) break;\n\t\t\trp[1]=ap[1];\n\t\t\tif (i++ >= max) break;\n\t\t\trp[2]=ap[2];\n\t\t\tif (i++ >= max) break;\n\t\t\trp[3]=ap[3];\n\t\t\trp+=4;\n\t\t\tap+=4;\n\t\t\t}\n\t\t}\n#endif\n\tr->top=max;\n\tr->neg=0;\n\tbn_fix_top(r);\n\treturn(1);\n\t}'] |
16,608 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/lhash/lhash.c/#L254 | char *lh_delete(LHASH *lh, char *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
char *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
Free((char *)nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return(ret);
} | ['int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)\n\t{\n\tint ret=0;\n\tBIO *in=NULL;\n\tint i,count=0;\n\tX509 *x=NULL;\n\tif (file == NULL) return(1);\n\tin=BIO_new(BIO_s_file_internal());\n\tif ((in == NULL) || (BIO_read_filename(in,file) <= 0))\n\t\t{\n\t\tX509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB);\n\t\tgoto err;\n\t\t}\n\tif (type == X509_FILETYPE_PEM)\n\t\t{\n\t\tfor (;;)\n\t\t\t{\n\t\t\tx=PEM_read_bio_X509(in,NULL,NULL);\n\t\t\tif (x == NULL)\n\t\t\t\t{\n\t\t\t\tif ((ERR_GET_REASON(ERR_peek_error()) ==\n\t\t\t\t\tPEM_R_NO_START_LINE) && (count > 0))\n\t\t\t\t\t{\n\t\t\t\t\tERR_clear_error();\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tX509err(X509_F_X509_LOAD_CERT_FILE,\n\t\t\t\t\t\tERR_R_PEM_LIB);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\ti=X509_STORE_add_cert(ctx->store_ctx,x);\n\t\t\tif (!i) goto err;\n\t\t\tcount++;\n\t\t\tX509_free(x);\n\t\t\tx=NULL;\n\t\t\t}\n\t\tret=count;\n\t\t}\n\telse if (type == X509_FILETYPE_ASN1)\n\t\t{\n\t\tx=d2i_X509_bio(in,NULL);\n\t\tif (x == NULL)\n\t\t\t{\n\t\t\tX509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB);\n\t\t\tgoto err;\n\t\t\t}\n\t\ti=X509_STORE_add_cert(ctx->store_ctx,x);\n\t\tif (!i) goto err;\n\t\tret=i;\n\t\t}\n\telse\n\t\t{\n\t\tX509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE);\n\t\tgoto err;\n\t\t}\nerr:\n\tif (x != NULL) X509_free(x);\n\tif (in != NULL) BIO_free(in);\n\treturn(ret);\n\t}', 'int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)\n\t{\n\tX509_OBJECT *obj,*r;\n\tint ret=1;\n\tif (x == NULL) return(0);\n\tobj=(X509_OBJECT *)Malloc(sizeof(X509_OBJECT));\n\tif (obj == NULL)\n\t\t{\n\t\tX509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE);\n\t\treturn(0);\n\t\t}\n\tobj->type=X509_LU_X509;\n\tobj->data.x509=x;\n\tCRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);\n\tX509_OBJECT_up_ref_count(obj);\n\tr=(X509_OBJECT *)lh_insert(ctx->certs,(char *)obj);\n\tif (r != NULL)\n\t\t{\n\t\tlh_delete(ctx->certs,(char *)obj);\n\t\tX509_OBJECT_free_contents(obj);\n\t\tFree(obj);\n\t\tlh_insert(ctx->certs,(char *)r);\n\t\tX509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE);\n\t\tret=0;\n\t\t}\n\tCRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);\n\treturn(ret);\n\t}', 'char *lh_insert(LHASH *lh, char *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tchar *ret;\n\tlh->error=0;\n\tif (lh->up_load <= (lh->num_items*LH_LOAD_MULT/lh->num_nodes))\n\t\texpand(lh);\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tif ((nn=(LHASH_NODE *)Malloc(sizeof(LHASH_NODE))) == NULL)\n\t\t\t{\n\t\t\tlh->error++;\n\t\t\treturn(NULL);\n\t\t\t}\n\t\tnn->data=data;\n\t\tnn->next=NULL;\n#ifndef NO_HASH_COMP\n\t\tnn->hash=hash;\n#endif\n\t\t*rn=nn;\n\t\tret=NULL;\n\t\tlh->num_insert++;\n\t\tlh->num_items++;\n\t\t}\n\telse\n\t\t{\n\t\tret= (*rn)->data;\n\t\t(*rn)->data=data;\n\t\tlh->num_replace++;\n\t\t}\n\treturn(ret);\n\t}', 'char *lh_delete(LHASH *lh, char *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tchar *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tFree((char *)nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn(ret);\n\t}'] |
16,609 | 0 | https://github.com/openssl/openssl/blob/985de8634000df9b33b8ac4519fa10a99e43b314/crypto/x509/x509_req.c/#L201 | STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
{
X509_ATTRIBUTE *attr;
ASN1_TYPE *ext = NULL;
int idx, *pnid;
const unsigned char *p;
if ((req == NULL) || (req->req_info == NULL) || !ext_nids)
return(NULL);
for (pnid = ext_nids; *pnid != NID_undef; pnid++)
{
idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
if (idx == -1)
continue;
attr = X509_REQ_get_attr(req, idx);
if(attr->single) ext = attr->value.single;
else if(sk_ASN1_TYPE_num(attr->value.set))
ext = sk_ASN1_TYPE_value(attr->value.set, 0);
break;
}
if(!ext || (ext->type != V_ASN1_SEQUENCE))
return NULL;
p = ext->value.sequence->data;
return (STACK_OF(X509_EXTENSION) *)
ASN1_item_d2i(NULL, &p, ext->value.sequence->length,
ASN1_ITEM_rptr(X509_EXTENSIONS));
} | ['STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)\n\t{\n\tX509_ATTRIBUTE *attr;\n\tASN1_TYPE *ext = NULL;\n\tint idx, *pnid;\n\tconst unsigned char *p;\n\tif ((req == NULL) || (req->req_info == NULL) || !ext_nids)\n\t\treturn(NULL);\n\tfor (pnid = ext_nids; *pnid != NID_undef; pnid++)\n\t\t{\n\t\tidx = X509_REQ_get_attr_by_NID(req, *pnid, -1);\n\t\tif (idx == -1)\n\t\t\tcontinue;\n\t\tattr = X509_REQ_get_attr(req, idx);\n\t\tif(attr->single) ext = attr->value.single;\n\t\telse if(sk_ASN1_TYPE_num(attr->value.set))\n\t\t\text = sk_ASN1_TYPE_value(attr->value.set, 0);\n\t\tbreak;\n\t\t}\n\tif(!ext || (ext->type != V_ASN1_SEQUENCE))\n\t\treturn NULL;\n\tp = ext->value.sequence->data;\n\treturn (STACK_OF(X509_EXTENSION) *)\n\t\tASN1_item_d2i(NULL, &p, ext->value.sequence->length,\n\t\t\t\tASN1_ITEM_rptr(X509_EXTENSIONS));\n}', 'int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid,\n\t\t\t int lastpos)\n{\n\treturn X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);\n}', 'int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,\n\t\t\t int lastpos)\n{\n\tASN1_OBJECT *obj;\n\tobj=OBJ_nid2obj(nid);\n\tif (obj == NULL) return(-2);\n\treturn(X509at_get_attr_by_OBJ(x,obj,lastpos));\n}', 'ASN1_OBJECT *OBJ_nid2obj(int n)\n\t{\n\tADDED_OBJ ad,*adp;\n\tASN1_OBJECT ob;\n\tif ((n >= 0) && (n < NUM_NID))\n\t\t{\n\t\tif ((n != NID_undef) && (nid_objs[n].nid == NID_undef))\n\t\t\t{\n\t\t\tOBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\treturn((ASN1_OBJECT *)&(nid_objs[n]));\n\t\t}\n\telse if (added == NULL)\n\t\treturn(NULL);\n\telse\n\t\t{\n\t\tad.type=ADDED_NID;\n\t\tad.obj= &ob;\n\t\tob.nid=n;\n\t\tadp=lh_ADDED_OBJ_retrieve(added,&ad);\n\t\tif (adp != NULL)\n\t\t\treturn(adp->obj);\n\t\telse\n\t\t\t{\n\t\t\tOBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\t}\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}', 'X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)\n{\n\treturn X509at_get_attr(req->req_info->attributes, loc);\n}', 'X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)\n{\n\tif (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)\n\t\treturn NULL;\n\telse\n\t\treturn sk_X509_ATTRIBUTE_value(x,loc);\n}'] |
16,610 | 0 | https://github.com/openssl/openssl/blob/5d1c09de1f2736e1d4b1877206d08455ec75f558/crypto/bn/bn_mont.c/#L125 | static int bn_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
{
BIGNUM *n;
BN_ULONG *ap, *np, *rp, n0, v, carry;
int nl, max, i;
n = &(mont->N);
nl = n->top;
if (nl == 0) {
ret->top = 0;
return 1;
}
max = (2 * nl);
if (bn_wexpand(r, max) == NULL)
return 0;
r->neg ^= n->neg;
np = n->d;
rp = r->d;
i = max - r->top;
if (i)
memset(&rp[r->top], 0, sizeof(*rp) * i);
r->top = max;
r->flags |= BN_FLG_FIXED_TOP;
n0 = mont->n0[0];
for (carry = 0, i = 0; i < nl; i++, rp++) {
v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);
v = (v + carry + rp[nl]) & BN_MASK2;
carry |= (v != rp[nl]);
carry &= (v <= rp[nl]);
rp[nl] = v;
}
if (bn_wexpand(ret, nl) == NULL)
return 0;
ret->top = nl;
ret->flags |= BN_FLG_FIXED_TOP;
ret->neg = r->neg;
rp = ret->d;
ap = &(r->d[nl]);
carry -= bn_sub_words(rp, ap, np, nl);
for (i = 0; i < nl; i++) {
rp[i] = (carry & ap[i]) | (~carry & rp[i]);
ap[i] = 0;
}
return 1;
} | ['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(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 ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'static int bn_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)\n{\n BIGNUM *n;\n BN_ULONG *ap, *np, *rp, n0, v, carry;\n int nl, max, i;\n n = &(mont->N);\n nl = n->top;\n if (nl == 0) {\n ret->top = 0;\n return 1;\n }\n max = (2 * nl);\n if (bn_wexpand(r, max) == NULL)\n return 0;\n r->neg ^= n->neg;\n np = n->d;\n rp = r->d;\n i = max - r->top;\n if (i)\n memset(&rp[r->top], 0, sizeof(*rp) * i);\n r->top = max;\n r->flags |= BN_FLG_FIXED_TOP;\n n0 = mont->n0[0];\n for (carry = 0, i = 0; i < nl; i++, rp++) {\n v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);\n v = (v + carry + rp[nl]) & BN_MASK2;\n carry |= (v != rp[nl]);\n carry &= (v <= rp[nl]);\n rp[nl] = v;\n }\n if (bn_wexpand(ret, nl) == NULL)\n return 0;\n ret->top = nl;\n ret->flags |= BN_FLG_FIXED_TOP;\n ret->neg = r->neg;\n rp = ret->d;\n ap = &(r->d[nl]);\n carry -= bn_sub_words(rp, ap, np, nl);\n for (i = 0; i < nl; i++) {\n rp[i] = (carry & ap[i]) | (~carry & rp[i]);\n ap[i] = 0;\n }\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
16,611 | 0 | https://github.com/libav/libav/blob/78f318be59a8e6174f21c2d7c3403ef325c73011/libavcodec/bink.c/#L538 | static int read_dct_coeffs(GetBitContext *gb, DCTELEM block[64], const uint8_t *scan,
int is_intra)
{
int coef_list[128];
int mode_list[128];
int i, t, mask, bits, ccoef, mode, sign;
int list_start = 64, list_end = 64, list_pos;
int coef_count = 0;
int coef_idx[64];
int quant_idx;
const uint32_t *quant;
coef_list[list_end] = 4; mode_list[list_end++] = 0;
coef_list[list_end] = 24; mode_list[list_end++] = 0;
coef_list[list_end] = 44; mode_list[list_end++] = 0;
coef_list[list_end] = 1; mode_list[list_end++] = 3;
coef_list[list_end] = 2; mode_list[list_end++] = 3;
coef_list[list_end] = 3; mode_list[list_end++] = 3;
bits = get_bits(gb, 4) - 1;
for (mask = 1 << bits; bits >= 0; mask >>= 1, bits--) {
list_pos = list_start;
while (list_pos < list_end) {
if (!(mode_list[list_pos] | coef_list[list_pos]) || !get_bits1(gb)) {
list_pos++;
continue;
}
ccoef = coef_list[list_pos];
mode = mode_list[list_pos];
switch (mode) {
case 0:
coef_list[list_pos] = ccoef + 4;
mode_list[list_pos] = 1;
case 2:
if (mode == 2) {
coef_list[list_pos] = 0;
mode_list[list_pos++] = 0;
}
for (i = 0; i < 4; i++, ccoef++) {
if (get_bits1(gb)) {
coef_list[--list_start] = ccoef;
mode_list[ list_start] = 3;
} else {
int t;
if (!bits) {
t = 1 - (get_bits1(gb) << 1);
} else {
t = get_bits(gb, bits) | mask;
sign = -get_bits1(gb);
t = (t ^ sign) - sign;
}
block[scan[ccoef]] = t;
coef_idx[coef_count++] = ccoef;
}
}
break;
case 1:
mode_list[list_pos] = 2;
for (i = 0; i < 3; i++) {
ccoef += 4;
coef_list[list_end] = ccoef;
mode_list[list_end++] = 2;
}
break;
case 3:
if (!bits) {
t = 1 - (get_bits1(gb) << 1);
} else {
t = get_bits(gb, bits) | mask;
sign = -get_bits1(gb);
t = (t ^ sign) - sign;
}
block[scan[ccoef]] = t;
coef_idx[coef_count++] = ccoef;
coef_list[list_pos] = 0;
mode_list[list_pos++] = 0;
break;
}
}
}
quant_idx = get_bits(gb, 4);
quant = is_intra ? bink_intra_quant[quant_idx]
: bink_inter_quant[quant_idx];
block[0] = (block[0] * quant[0]) >> 11;
for (i = 0; i < coef_count; i++) {
int idx = coef_idx[i];
block[scan[idx]] = (block[scan[idx]] * quant[idx]) >> 11;
}
return 0;
} | ['static int read_dct_coeffs(GetBitContext *gb, DCTELEM block[64], const uint8_t *scan,\n int is_intra)\n{\n int coef_list[128];\n int mode_list[128];\n int i, t, mask, bits, ccoef, mode, sign;\n int list_start = 64, list_end = 64, list_pos;\n int coef_count = 0;\n int coef_idx[64];\n int quant_idx;\n const uint32_t *quant;\n coef_list[list_end] = 4; mode_list[list_end++] = 0;\n coef_list[list_end] = 24; mode_list[list_end++] = 0;\n coef_list[list_end] = 44; mode_list[list_end++] = 0;\n coef_list[list_end] = 1; mode_list[list_end++] = 3;\n coef_list[list_end] = 2; mode_list[list_end++] = 3;\n coef_list[list_end] = 3; mode_list[list_end++] = 3;\n bits = get_bits(gb, 4) - 1;\n for (mask = 1 << bits; bits >= 0; mask >>= 1, bits--) {\n list_pos = list_start;\n while (list_pos < list_end) {\n if (!(mode_list[list_pos] | coef_list[list_pos]) || !get_bits1(gb)) {\n list_pos++;\n continue;\n }\n ccoef = coef_list[list_pos];\n mode = mode_list[list_pos];\n switch (mode) {\n case 0:\n coef_list[list_pos] = ccoef + 4;\n mode_list[list_pos] = 1;\n case 2:\n if (mode == 2) {\n coef_list[list_pos] = 0;\n mode_list[list_pos++] = 0;\n }\n for (i = 0; i < 4; i++, ccoef++) {\n if (get_bits1(gb)) {\n coef_list[--list_start] = ccoef;\n mode_list[ list_start] = 3;\n } else {\n int t;\n if (!bits) {\n t = 1 - (get_bits1(gb) << 1);\n } else {\n t = get_bits(gb, bits) | mask;\n sign = -get_bits1(gb);\n t = (t ^ sign) - sign;\n }\n block[scan[ccoef]] = t;\n coef_idx[coef_count++] = ccoef;\n }\n }\n break;\n case 1:\n mode_list[list_pos] = 2;\n for (i = 0; i < 3; i++) {\n ccoef += 4;\n coef_list[list_end] = ccoef;\n mode_list[list_end++] = 2;\n }\n break;\n case 3:\n if (!bits) {\n t = 1 - (get_bits1(gb) << 1);\n } else {\n t = get_bits(gb, bits) | mask;\n sign = -get_bits1(gb);\n t = (t ^ sign) - sign;\n }\n block[scan[ccoef]] = t;\n coef_idx[coef_count++] = ccoef;\n coef_list[list_pos] = 0;\n mode_list[list_pos++] = 0;\n break;\n }\n }\n }\n quant_idx = get_bits(gb, 4);\n quant = is_intra ? bink_intra_quant[quant_idx]\n : bink_inter_quant[quant_idx];\n block[0] = (block[0] * quant[0]) >> 11;\n for (i = 0; i < coef_count; i++) {\n int idx = coef_idx[i];\n block[scan[idx]] = (block[scan[idx]] * quant[idx]) >> 11;\n }\n return 0;\n}', 'static inline unsigned int get_bits1(GetBitContext *s){\n#ifdef ALT_BITSTREAM_READER\n unsigned int index = s->index;\n uint8_t result = s->buffer[index>>3];\n#ifdef ALT_BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n index++;\n s->index = index;\n return result;\n#else\n return get_bits(s, 1);\n#endif\n}'] |
16,612 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ac3.c/#L152 | void ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *band_psd,
int start, int end, int fast_gain, int is_lfe,
int dba_mode, int dba_nsegs, uint8_t *dba_offsets,
uint8_t *dba_lengths, uint8_t *dba_values,
int16_t *mask)
{
int16_t excite[50];
int bin, k;
int bndstrt, bndend, begin, end1, tmp;
int lowcomp, fastleak, slowleak;
bndstrt = bin_to_band_tab[start];
bndend = bin_to_band_tab[end-1] + 1;
if (bndstrt == 0) {
lowcomp = 0;
lowcomp = calc_lowcomp1(lowcomp, band_psd[0], band_psd[1], 384);
excite[0] = band_psd[0] - fast_gain - lowcomp;
lowcomp = calc_lowcomp1(lowcomp, band_psd[1], band_psd[2], 384);
excite[1] = band_psd[1] - fast_gain - lowcomp;
begin = 7;
for (bin = 2; bin < 7; bin++) {
if (!(is_lfe && bin == 6))
lowcomp = calc_lowcomp1(lowcomp, band_psd[bin], band_psd[bin+1], 384);
fastleak = band_psd[bin] - fast_gain;
slowleak = band_psd[bin] - s->slow_gain;
excite[bin] = fastleak - lowcomp;
if (!(is_lfe && bin == 6)) {
if (band_psd[bin] <= band_psd[bin+1]) {
begin = bin + 1;
break;
}
}
}
end1=bndend;
if (end1 > 22) end1=22;
for (bin = begin; bin < end1; bin++) {
if (!(is_lfe && bin == 6))
lowcomp = calc_lowcomp(lowcomp, band_psd[bin], band_psd[bin+1], bin);
fastleak = FFMAX(fastleak - s->fast_decay, band_psd[bin] - fast_gain);
slowleak = FFMAX(slowleak - s->slow_decay, band_psd[bin] - s->slow_gain);
excite[bin] = FFMAX(fastleak - lowcomp, slowleak);
}
begin = 22;
} else {
begin = bndstrt;
fastleak = (s->cpl_fast_leak << 8) + 768;
slowleak = (s->cpl_slow_leak << 8) + 768;
}
for (bin = begin; bin < bndend; bin++) {
fastleak = FFMAX(fastleak - s->fast_decay, band_psd[bin] - fast_gain);
slowleak = FFMAX(slowleak - s->slow_decay, band_psd[bin] - s->slow_gain);
excite[bin] = FFMAX(fastleak, slowleak);
}
for (bin = bndstrt; bin < bndend; bin++) {
tmp = s->db_per_bit - band_psd[bin];
if (tmp > 0) {
excite[bin] += tmp >> 2;
}
mask[bin] = FFMAX(ff_ac3_hearing_threshold_tab[bin >> s->sr_shift][s->sr_code], excite[bin]);
}
if (dba_mode == DBA_REUSE || dba_mode == DBA_NEW) {
int band, seg, delta;
band = 0;
for (seg = 0; seg < dba_nsegs; seg++) {
band += dba_offsets[seg];
if (dba_values[seg] >= 4) {
delta = (dba_values[seg] - 3) << 7;
} else {
delta = (dba_values[seg] - 4) << 7;
}
for (k = 0; k < dba_lengths[seg]; k++) {
mask[band] += delta;
band++;
}
}
}
} | ['void ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *band_psd,\n int start, int end, int fast_gain, int is_lfe,\n int dba_mode, int dba_nsegs, uint8_t *dba_offsets,\n uint8_t *dba_lengths, uint8_t *dba_values,\n int16_t *mask)\n{\n int16_t excite[50];\n int bin, k;\n int bndstrt, bndend, begin, end1, tmp;\n int lowcomp, fastleak, slowleak;\n bndstrt = bin_to_band_tab[start];\n bndend = bin_to_band_tab[end-1] + 1;\n if (bndstrt == 0) {\n lowcomp = 0;\n lowcomp = calc_lowcomp1(lowcomp, band_psd[0], band_psd[1], 384);\n excite[0] = band_psd[0] - fast_gain - lowcomp;\n lowcomp = calc_lowcomp1(lowcomp, band_psd[1], band_psd[2], 384);\n excite[1] = band_psd[1] - fast_gain - lowcomp;\n begin = 7;\n for (bin = 2; bin < 7; bin++) {\n if (!(is_lfe && bin == 6))\n lowcomp = calc_lowcomp1(lowcomp, band_psd[bin], band_psd[bin+1], 384);\n fastleak = band_psd[bin] - fast_gain;\n slowleak = band_psd[bin] - s->slow_gain;\n excite[bin] = fastleak - lowcomp;\n if (!(is_lfe && bin == 6)) {\n if (band_psd[bin] <= band_psd[bin+1]) {\n begin = bin + 1;\n break;\n }\n }\n }\n end1=bndend;\n if (end1 > 22) end1=22;\n for (bin = begin; bin < end1; bin++) {\n if (!(is_lfe && bin == 6))\n lowcomp = calc_lowcomp(lowcomp, band_psd[bin], band_psd[bin+1], bin);\n fastleak = FFMAX(fastleak - s->fast_decay, band_psd[bin] - fast_gain);\n slowleak = FFMAX(slowleak - s->slow_decay, band_psd[bin] - s->slow_gain);\n excite[bin] = FFMAX(fastleak - lowcomp, slowleak);\n }\n begin = 22;\n } else {\n begin = bndstrt;\n fastleak = (s->cpl_fast_leak << 8) + 768;\n slowleak = (s->cpl_slow_leak << 8) + 768;\n }\n for (bin = begin; bin < bndend; bin++) {\n fastleak = FFMAX(fastleak - s->fast_decay, band_psd[bin] - fast_gain);\n slowleak = FFMAX(slowleak - s->slow_decay, band_psd[bin] - s->slow_gain);\n excite[bin] = FFMAX(fastleak, slowleak);\n }\n for (bin = bndstrt; bin < bndend; bin++) {\n tmp = s->db_per_bit - band_psd[bin];\n if (tmp > 0) {\n excite[bin] += tmp >> 2;\n }\n mask[bin] = FFMAX(ff_ac3_hearing_threshold_tab[bin >> s->sr_shift][s->sr_code], excite[bin]);\n }\n if (dba_mode == DBA_REUSE || dba_mode == DBA_NEW) {\n int band, seg, delta;\n band = 0;\n for (seg = 0; seg < dba_nsegs; seg++) {\n band += dba_offsets[seg];\n if (dba_values[seg] >= 4) {\n delta = (dba_values[seg] - 3) << 7;\n } else {\n delta = (dba_values[seg] - 4) << 7;\n }\n for (k = 0; k < dba_lengths[seg]; k++) {\n mask[band] += delta;\n band++;\n }\n }\n }\n}'] |
16,613 | 0 | https://github.com/openssl/openssl/blob/e85d19c68e7fb3302410bd72d434793e5c0c23a0/crypto/cms/cms_sd.c/#L635 | static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
CMS_SignerInfo *si, BIO *chain)
{
EVP_MD_CTX *mctx = EVP_MD_CTX_new();
int r = 0;
EVP_PKEY_CTX *pctx = NULL;
if (mctx == NULL) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!si->pkey) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY);
goto err;
}
if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
goto err;
if (si->pctx && !cms_sd_asn1_ctrl(si, 0))
goto err;
if (CMS_signed_get_attr_count(si) >= 0) {
ASN1_OBJECT *ctype =
cms->d.signedData->encapContentInfo->eContentType;
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int mdlen;
if (!EVP_DigestFinal_ex(mctx, md, &mdlen))
goto err;
if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest,
V_ASN1_OCTET_STRING, md, mdlen))
goto err;
if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType,
V_ASN1_OBJECT, ctype, -1) <= 0)
goto err;
if (!CMS_SignerInfo_sign(si))
goto err;
} else if (si->pctx) {
unsigned char *sig;
size_t siglen;
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int mdlen;
pctx = si->pctx;
if (!EVP_DigestFinal_ex(mctx, md, &mdlen))
goto err;
siglen = EVP_PKEY_size(si->pkey);
sig = OPENSSL_malloc(siglen);
if (sig == NULL) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) {
OPENSSL_free(sig);
goto err;
}
ASN1_STRING_set0(si->signature, sig, siglen);
} else {
unsigned char *sig;
unsigned int siglen;
sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey));
if (sig == NULL) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!EVP_SignFinal(mctx, sig, &siglen, si->pkey)) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_SIGNFINAL_ERROR);
OPENSSL_free(sig);
goto err;
}
ASN1_STRING_set0(si->signature, sig, siglen);
}
r = 1;
err:
EVP_MD_CTX_free(mctx);
EVP_PKEY_CTX_free(pctx);
return r;
} | ['static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,\n CMS_SignerInfo *si, BIO *chain)\n{\n EVP_MD_CTX *mctx = EVP_MD_CTX_new();\n int r = 0;\n EVP_PKEY_CTX *pctx = NULL;\n if (mctx == NULL) {\n CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n if (!si->pkey) {\n CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY);\n goto err;\n }\n if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))\n goto err;\n if (si->pctx && !cms_sd_asn1_ctrl(si, 0))\n goto err;\n if (CMS_signed_get_attr_count(si) >= 0) {\n ASN1_OBJECT *ctype =\n cms->d.signedData->encapContentInfo->eContentType;\n unsigned char md[EVP_MAX_MD_SIZE];\n unsigned int mdlen;\n if (!EVP_DigestFinal_ex(mctx, md, &mdlen))\n goto err;\n if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest,\n V_ASN1_OCTET_STRING, md, mdlen))\n goto err;\n if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType,\n V_ASN1_OBJECT, ctype, -1) <= 0)\n goto err;\n if (!CMS_SignerInfo_sign(si))\n goto err;\n } else if (si->pctx) {\n unsigned char *sig;\n size_t siglen;\n unsigned char md[EVP_MAX_MD_SIZE];\n unsigned int mdlen;\n pctx = si->pctx;\n if (!EVP_DigestFinal_ex(mctx, md, &mdlen))\n goto err;\n siglen = EVP_PKEY_size(si->pkey);\n sig = OPENSSL_malloc(siglen);\n if (sig == NULL) {\n CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) {\n OPENSSL_free(sig);\n goto err;\n }\n ASN1_STRING_set0(si->signature, sig, siglen);\n } else {\n unsigned char *sig;\n unsigned int siglen;\n sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey));\n if (sig == NULL) {\n CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!EVP_SignFinal(mctx, sig, &siglen, si->pkey)) {\n CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_SIGNFINAL_ERROR);\n OPENSSL_free(sig);\n goto err;\n }\n ASN1_STRING_set0(si->signature, sig, siglen);\n }\n r = 1;\n err:\n EVP_MD_CTX_free(mctx);\n EVP_PKEY_CTX_free(pctx);\n return r;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,\n X509_ALGOR *mdalg)\n{\n int nid;\n const ASN1_OBJECT *mdoid;\n X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg);\n nid = OBJ_obj2nid(mdoid);\n for (;;) {\n EVP_MD_CTX *mtmp;\n chain = BIO_find_type(chain, BIO_TYPE_MD);\n if (chain == NULL) {\n CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,\n CMS_R_NO_MATCHING_DIGEST);\n return 0;\n }\n BIO_get_md_ctx(chain, &mtmp);\n if (EVP_MD_CTX_type(mtmp) == nid\n || EVP_MD_pkey_type(EVP_MD_CTX_md(mtmp)) == nid)\n return EVP_MD_CTX_copy_ex(mctx, mtmp);\n chain = BIO_next(chain);\n }\n}', 'void X509_ALGOR_get0(const ASN1_OBJECT **paobj, int *pptype,\n const void **ppval, const X509_ALGOR *algor)\n{\n if (paobj)\n *paobj = algor->algorithm;\n if (pptype) {\n if (algor->parameter == NULL) {\n *pptype = V_ASN1_UNDEF;\n return;\n } else\n *pptype = algor->parameter->type;\n if (ppval)\n *ppval = algor->parameter->value.ptr;\n }\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}', 'DEFINE_LHASH_OF(ADDED_OBJ)', 'void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE **rn;\n void *ret;\n tsan_store((TSAN_QUALIFIER int *)&lh->error, 0);\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n tsan_counter(&lh->num_retrieve_miss);\n return NULL;\n } else {\n ret = (*rn)->data;\n tsan_counter(&lh->num_retrieve);\n }\n return ret;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n EVP_MD_CTX_reset(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n INCREMENT(free_count);\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
16,614 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/interplayvideo.c/#L652 | static int ipvideo_decode_block_opcode_0xA(IpvideoContext *s)
{
int x, y;
unsigned char P[16];
unsigned char B[16];
int flags = 0;
int shifter = 0;
int index;
int split;
int lower_half;
CHECK_STREAM_PTR(4);
for (y = 0; y < 4; y++)
P[y] = *s->stream_ptr++;
if (P[0] <= P[1]) {
CHECK_STREAM_PTR(28);
for (y = 0; y < 4; y++)
B[y] = *s->stream_ptr++;
for (y = 4; y < 16; y += 4) {
for (x = y; x < y + 4; x++)
P[x] = *s->stream_ptr++;
for (x = y; x < y + 4; x++)
B[x] = *s->stream_ptr++;
}
for (y = 0; y < 8; y++) {
lower_half = (y >= 4) ? 4 : 0;
flags = (B[y + 8] << 8) | B[y];
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
split = (x >= 4) ? 8 : 0;
index = split + lower_half + ((flags >> shifter) & 0x03);
*s->pixel_ptr++ = P[index];
}
s->pixel_ptr += s->line_inc;
}
} else {
CHECK_STREAM_PTR(20);
for (y = 0; y < 8; y++)
B[y] = *s->stream_ptr++;
for (y = 4; y < 8; y++)
P[y] = *s->stream_ptr++;
for (y = 8; y < 16; y++)
B[y] = *s->stream_ptr++;
if (P[4] <= P[5]) {
for (y = 0; y < 8; y++) {
flags = (B[y + 8] << 8) | B[y];
split = 0;
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
if (x == 4)
split = 4;
*s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
}
s->pixel_ptr += s->line_inc;
}
} else {
split = 0;
for (y = 0; y < 8; y++) {
flags = (B[y * 2 + 1] << 8) | B[y * 2];
if (y == 4)
split = 4;
for (x = 0, shifter = 0; x < 8; x++, shifter += 2)
*s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
s->pixel_ptr += s->line_inc;
}
}
}
return 0;
} | ['static int ipvideo_decode_block_opcode_0xA(IpvideoContext *s)\n{\n int x, y;\n unsigned char P[16];\n unsigned char B[16];\n int flags = 0;\n int shifter = 0;\n int index;\n int split;\n int lower_half;\n CHECK_STREAM_PTR(4);\n for (y = 0; y < 4; y++)\n P[y] = *s->stream_ptr++;\n if (P[0] <= P[1]) {\n CHECK_STREAM_PTR(28);\n for (y = 0; y < 4; y++)\n B[y] = *s->stream_ptr++;\n for (y = 4; y < 16; y += 4) {\n for (x = y; x < y + 4; x++)\n P[x] = *s->stream_ptr++;\n for (x = y; x < y + 4; x++)\n B[x] = *s->stream_ptr++;\n }\n for (y = 0; y < 8; y++) {\n lower_half = (y >= 4) ? 4 : 0;\n flags = (B[y + 8] << 8) | B[y];\n for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {\n split = (x >= 4) ? 8 : 0;\n index = split + lower_half + ((flags >> shifter) & 0x03);\n *s->pixel_ptr++ = P[index];\n }\n s->pixel_ptr += s->line_inc;\n }\n } else {\n CHECK_STREAM_PTR(20);\n for (y = 0; y < 8; y++)\n B[y] = *s->stream_ptr++;\n for (y = 4; y < 8; y++)\n P[y] = *s->stream_ptr++;\n for (y = 8; y < 16; y++)\n B[y] = *s->stream_ptr++;\n if (P[4] <= P[5]) {\n for (y = 0; y < 8; y++) {\n flags = (B[y + 8] << 8) | B[y];\n split = 0;\n for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {\n if (x == 4)\n split = 4;\n *s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];\n }\n s->pixel_ptr += s->line_inc;\n }\n } else {\n split = 0;\n for (y = 0; y < 8; y++) {\n flags = (B[y * 2 + 1] << 8) | B[y * 2];\n if (y == 4)\n split = 4;\n for (x = 0, shifter = 0; x < 8; x++, shifter += 2)\n *s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];\n s->pixel_ptr += s->line_inc;\n }\n }\n }\n return 0;\n}'] |
16,615 | 0 | https://github.com/libav/libav/blob/8305041e137f4f2a49669dd588bf6ccfbbac2b58/libavcodec/mpegvideo.c/#L134 | const uint8_t *avpriv_mpv_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 void mpegvideo_extract_headers(AVCodecParserContext *s,\n AVCodecContext *avctx,\n const uint8_t *buf, int buf_size)\n{\n ParseContext1 *pc = s->priv_data;\n const uint8_t *buf_end = buf + buf_size;\n uint32_t start_code;\n int frame_rate_index, ext_type, bytes_left;\n int frame_rate_ext_n, frame_rate_ext_d;\n int top_field_first, repeat_first_field, progressive_frame;\n int horiz_size_ext, vert_size_ext, bit_rate_ext;\n int did_set_size=0;\n s->repeat_pict = 0;\n while (buf < buf_end) {\n start_code= -1;\n buf= avpriv_mpv_find_start_code(buf, buf_end, &start_code);\n bytes_left = buf_end - buf;\n switch(start_code) {\n case PICTURE_START_CODE:\n if (bytes_left >= 2) {\n s->pict_type = (buf[1] >> 3) & 7;\n }\n break;\n case SEQ_START_CODE:\n if (bytes_left >= 7) {\n pc->width = (buf[0] << 4) | (buf[1] >> 4);\n pc->height = ((buf[1] & 0x0f) << 8) | buf[2];\n if(!avctx->width || !avctx->height || !avctx->coded_width || !avctx->coded_height){\n avcodec_set_dimensions(avctx, pc->width, pc->height);\n did_set_size=1;\n }\n frame_rate_index = buf[3] & 0xf;\n pc->frame_rate.den = avctx->time_base.den = avpriv_frame_rate_tab[frame_rate_index].num;\n pc->frame_rate.num = avctx->time_base.num = avpriv_frame_rate_tab[frame_rate_index].den;\n avctx->bit_rate = ((buf[4]<<10) | (buf[5]<<2) | (buf[6]>>6))*400;\n avctx->codec_id = CODEC_ID_MPEG1VIDEO;\n avctx->sub_id = 1;\n }\n break;\n case EXT_START_CODE:\n if (bytes_left >= 1) {\n ext_type = (buf[0] >> 4);\n switch(ext_type) {\n case 0x1:\n if (bytes_left >= 6) {\n horiz_size_ext = ((buf[1] & 1) << 1) | (buf[2] >> 7);\n vert_size_ext = (buf[2] >> 5) & 3;\n bit_rate_ext = ((buf[2] & 0x1F)<<7) | (buf[3]>>1);\n frame_rate_ext_n = (buf[5] >> 5) & 3;\n frame_rate_ext_d = (buf[5] & 0x1f);\n pc->progressive_sequence = buf[1] & (1 << 3);\n avctx->has_b_frames= !(buf[5] >> 7);\n pc->width |=(horiz_size_ext << 12);\n pc->height |=( vert_size_ext << 12);\n avctx->bit_rate += (bit_rate_ext << 18) * 400;\n if(did_set_size)\n avcodec_set_dimensions(avctx, pc->width, pc->height);\n avctx->time_base.den = pc->frame_rate.den * (frame_rate_ext_n + 1) * 2;\n avctx->time_base.num = pc->frame_rate.num * (frame_rate_ext_d + 1);\n avctx->codec_id = CODEC_ID_MPEG2VIDEO;\n avctx->sub_id = 2;\n }\n break;\n case 0x8:\n if (bytes_left >= 5) {\n top_field_first = buf[3] & (1 << 7);\n repeat_first_field = buf[3] & (1 << 1);\n progressive_frame = buf[4] & (1 << 7);\n s->repeat_pict = 1;\n if (repeat_first_field) {\n if (pc->progressive_sequence) {\n if (top_field_first)\n s->repeat_pict = 5;\n else\n s->repeat_pict = 3;\n } else if (progressive_frame) {\n s->repeat_pict = 2;\n }\n }\n }\n break;\n }\n }\n break;\n case -1:\n goto the_end;\n default:\n if (start_code >= SLICE_MIN_START_CODE &&\n start_code <= SLICE_MAX_START_CODE)\n goto the_end;\n break;\n }\n }\n the_end: ;\n}', 'const uint8_t *avpriv_mpv_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}'] |
16,616 | 0 | https://github.com/openssl/openssl/blob/c3fd55d4a6ed1025c471603b67fbbbce606a5171/crypto/evp/evp_enc.c/#L289 | static int is_partially_overlapping(const void *ptr1, const void *ptr2,
int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
assert(!condition);
return condition;
} | ['static int enc_write(BIO *b, const char *in, int inl)\n{\n int ret = 0, n, i;\n BIO_ENC_CTX *ctx;\n BIO *next;\n ctx = BIO_get_data(b);\n next = BIO_next(b);\n if ((ctx == NULL) || (next == NULL))\n return 0;\n ret = inl;\n BIO_clear_retry_flags(b);\n n = ctx->buf_len - ctx->buf_off;\n while (n > 0) {\n i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n);\n if (i <= 0) {\n BIO_copy_next_retry(b);\n return (i);\n }\n ctx->buf_off += i;\n n -= i;\n }\n if ((in == NULL) || (inl <= 0))\n return (0);\n ctx->buf_off = 0;\n while (inl > 0) {\n n = (inl > ENC_BLOCK_SIZE) ? ENC_BLOCK_SIZE : inl;\n if (!EVP_CipherUpdate(ctx->cipher,\n (unsigned char *)ctx->buf, &ctx->buf_len,\n (unsigned char *)in, n)) {\n BIO_clear_retry_flags(b);\n return 0;\n }\n inl -= n;\n in += n;\n ctx->buf_off = 0;\n n = ctx->buf_len;\n while (n > 0) {\n i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n);\n if (i <= 0) {\n BIO_copy_next_retry(b);\n return (ret == inl) ? i : ret - inl;\n }\n n -= i;\n ctx->buf_off += i;\n }\n ctx->buf_len = 0;\n ctx->buf_off = 0;\n }\n BIO_copy_next_retry(b);\n return (ret);\n}', 'int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n if (ctx->encrypt)\n return EVP_EncryptUpdate(ctx, out, outl, in, inl);\n else\n return EVP_DecryptUpdate(ctx, out, outl, in, inl);\n}', 'int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n int i, j, bl;\n if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {\n if (is_partially_overlapping(out, in, inl))\n return 0;\n i = ctx->cipher->do_cipher(ctx, out, in, inl);\n if (i < 0)\n return 0;\n else\n *outl = i;\n return 1;\n }\n if (inl <= 0) {\n *outl = 0;\n return inl == 0;\n }\n if (is_partially_overlapping(out, in, inl))\n return 0;\n if (ctx->buf_len == 0 && (inl & (ctx->block_mask)) == 0) {\n if (ctx->cipher->do_cipher(ctx, out, in, inl)) {\n *outl = inl;\n return 1;\n } else {\n *outl = 0;\n return 0;\n }\n }\n i = ctx->buf_len;\n bl = ctx->cipher->block_size;\n OPENSSL_assert(bl <= (int)sizeof(ctx->buf));\n if (i != 0) {\n if (bl - i > inl) {\n memcpy(&(ctx->buf[i]), in, inl);\n ctx->buf_len += inl;\n *outl = 0;\n return 1;\n } else {\n j = bl - i;\n memcpy(&(ctx->buf[i]), in, j);\n inl -= j;\n in += j;\n if (is_partially_overlapping(out, in, bl))\n return 0;\n if (!ctx->cipher->do_cipher(ctx, out, ctx->buf, bl))\n return 0;\n out += bl;\n *outl = bl;\n }\n } else\n *outl = 0;\n i = inl & (bl - 1);\n inl -= i;\n if (inl > 0) {\n if (!ctx->cipher->do_cipher(ctx, out, in, inl))\n return 0;\n *outl += inl;\n }\n if (i != 0)\n memcpy(ctx->buf, &(in[inl]), i);\n ctx->buf_len = i;\n return 1;\n}', 'static int is_partially_overlapping(const void *ptr1, const void *ptr2,\n int len)\n{\n PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;\n int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |\n (diff > (0 - (PTRDIFF_T)len)));\n assert(!condition);\n return condition;\n}'] |
16,617 | 0 | https://github.com/libav/libav/blob/c5254755c0154dcc7bb1191a84e6e7cf0106343b/libavformat/utils.c/#L2577 | void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
av_free_packet(&st->cur_pkt);
}
av_dict_free(&st->metadata);
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec->subtitle_header);
av_free(st->codec);
av_free(st->priv_data);
av_free(st->info);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_dict_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
av_freep(&s->programs);
av_freep(&s->priv_data);
while(s->nb_chapters--) {
av_dict_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
av_dict_free(&s->metadata);
av_freep(&s->streams);
av_free(s);
} | ['static int seg_write_trailer(struct AVFormatContext *s)\n{\n SegmentContext *seg = s->priv_data;\n AVFormatContext *oc = seg->avf;\n int ret = segment_end(oc);\n if (seg->list)\n avio_close(seg->pb);\n oc->streams = NULL;\n oc->nb_streams = 0;\n avformat_free_context(oc);\n return ret;\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n AVStream *st;\n av_opt_free(s);\n if (s->iformat && s->iformat->priv_class && s->priv_data)\n av_opt_free(s->priv_data);\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->parser) {\n av_parser_close(st->parser);\n av_free_packet(&st->cur_pkt);\n }\n av_dict_free(&st->metadata);\n av_free(st->index_entries);\n av_free(st->codec->extradata);\n av_free(st->codec->subtitle_header);\n av_free(st->codec);\n av_free(st->priv_data);\n av_free(st->info);\n av_free(st);\n }\n for(i=s->nb_programs-1; i>=0; i--) {\n av_dict_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while(s->nb_chapters--) {\n av_dict_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_dict_free(&s->metadata);\n av_freep(&s->streams);\n av_free(s);\n}'] |
16,618 | 0 | https://github.com/openssl/openssl/blob/3ba25ee86a3758cc659c954b59718d8397030768/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return((void *)ret);
} | ['int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)\n\t{\n\tSSL_SESSION *ret=NULL,data;\n\tint fatal = 0;\n\tdata.ssl_version=s->version;\n\tdata.session_id_length=len;\n\tif (len > SSL_MAX_SSL_SESSION_ID_LENGTH)\n\t\tgoto err;\n\tmemcpy(data.session_id,session_id,len);\n\tif (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))\n\t\t{\n\t\tCRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tret=(SSL_SESSION *)lh_retrieve(s->ctx->sessions,&data);\n\t\tif (ret != NULL)\n\t\t CRYPTO_add(&ret->references,1,CRYPTO_LOCK_SSL_SESSION);\n\t\tCRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\t}\n\tif (ret == NULL)\n\t\t{\n\t\tint copy=1;\n\t\ts->ctx->stats.sess_miss++;\n\t\tret=NULL;\n\t\tif (s->ctx->get_session_cb != NULL\n\t\t && (ret=s->ctx->get_session_cb(s,session_id,len,©))\n\t\t != NULL)\n\t\t\t{\n\t\t\ts->ctx->stats.sess_cb_hit++;\n\t\t\tif (copy)\n\t\t\t\tCRYPTO_add(&ret->references,1,CRYPTO_LOCK_SSL_SESSION);\n\t\t\tSSL_CTX_add_session(s->ctx,ret);\n\t\t\t}\n\t\tif (ret == NULL)\n\t\t\tgoto err;\n\t\t}\n\tif((s->verify_mode&SSL_VERIFY_PEER)\n\t && (!s->sid_ctx_length || ret->sid_ctx_length != s->sid_ctx_length\n\t || memcmp(ret->sid_ctx,s->sid_ctx,ret->sid_ctx_length)))\n\t {\n\t\tif (s->sid_ctx_length == 0)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);\n\t\t\tfatal = 1;\n\t\t\tgoto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n#if 0\n\t\t\tSSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);\n#endif\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (ret->cipher == NULL)\n\t\t{\n\t\tunsigned char buf[5],*p;\n\t\tunsigned long l;\n\t\tp=buf;\n\t\tl=ret->cipher_id;\n\t\tl2n(l,p);\n\t\tif ((ret->ssl_version>>8) == SSL3_VERSION_MAJOR)\n\t\t\tret->cipher=ssl_get_cipher_by_char(s,&(buf[2]));\n\t\telse\n\t\t\tret->cipher=ssl_get_cipher_by_char(s,&(buf[1]));\n\t\tif (ret->cipher == NULL)\n\t\t\tgoto err;\n\t\t}\n#if 0\n\tCRYPTO_add(&ret->references,1,CRYPTO_LOCK_SSL_SESSION);\n#endif\n\tif ((long)(ret->time+ret->timeout) < (long)time(NULL))\n\t\t{\n\t\ts->ctx->stats.sess_timeout++;\n\t\tSSL_CTX_remove_session(s->ctx,ret);\n\t\tgoto err;\n\t\t}\n\ts->ctx->stats.sess_hit++;\n\tif (s->session != NULL)\n\t\tSSL_SESSION_free(s->session);\n\ts->session=ret;\n\ts->verify_result = s->session->verify_result;\n\treturn(1);\n err:\n\tif (ret != NULL)\n\t\tSSL_SESSION_free(ret);\n\tif (fatal)\n\t\treturn -1;\n\telse\n\t\treturn 0;\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\tif (r != NULL)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}'] |
16,619 | 0 | https://github.com/openssl/openssl/blob/6fda11ae5a06e28fd9463e5afb60735d074904b3/crypto/evp/evp_enc.c/#L475 | int is_partially_overlapping(const void *ptr1, const void *ptr2, int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
return overlapped;
} | ['static EVP_PKEY *do_PVK_body(const unsigned char **in,\n unsigned int saltlen, unsigned int keylen,\n pem_password_cb *cb, void *u)\n{\n EVP_PKEY *ret = NULL;\n const unsigned char *p = *in;\n unsigned int magic;\n unsigned char *enctmp = NULL, *q;\n unsigned char keybuf[20];\n EVP_CIPHER_CTX *cctx = EVP_CIPHER_CTX_new();\n if (saltlen) {\n char psbuf[PEM_BUFSIZE];\n int enctmplen, inlen;\n if (cb)\n inlen = cb(psbuf, PEM_BUFSIZE, 0, u);\n else\n inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);\n if (inlen < 0) {\n PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_PASSWORD_READ);\n goto err;\n }\n enctmp = OPENSSL_malloc(keylen + 8);\n if (enctmp == NULL) {\n PEMerr(PEM_F_DO_PVK_BODY, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!derive_pvk_key(keybuf, p, saltlen,\n (unsigned char *)psbuf, inlen))\n goto err;\n p += saltlen;\n memcpy(enctmp, p, 8);\n p += 8;\n if (keylen < 8) {\n PEMerr(PEM_F_DO_PVK_BODY, PEM_R_PVK_TOO_SHORT);\n goto err;\n }\n inlen = keylen - 8;\n q = enctmp + 8;\n if (!EVP_DecryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL))\n goto err;\n if (!EVP_DecryptUpdate(cctx, q, &enctmplen, p, inlen))\n goto err;\n if (!EVP_DecryptFinal_ex(cctx, q + enctmplen, &enctmplen))\n goto err;\n magic = read_ledword((const unsigned char **)&q);\n if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) {\n q = enctmp + 8;\n memset(keybuf + 5, 0, 11);\n if (!EVP_DecryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL))\n goto err;\n if (!EVP_DecryptUpdate(cctx, q, &enctmplen, p, inlen))\n goto err;\n if (!EVP_DecryptFinal_ex(cctx, q + enctmplen, &enctmplen))\n goto err;\n magic = read_ledword((const unsigned char **)&q);\n if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) {\n PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_DECRYPT);\n goto err;\n }\n }\n p = enctmp;\n }\n ret = b2i_PrivateKey(&p, keylen);\n err:\n EVP_CIPHER_CTX_free(cctx);\n if (enctmp != NULL) {\n OPENSSL_cleanse(keybuf, sizeof(keybuf));\n OPENSSL_free(enctmp);\n }\n return ret;\n}', 'int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n int fix_len, cmpl = inl, ret;\n unsigned int b;\n size_t soutl;\n int blocksize;\n if (ctx->encrypt) {\n EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_INVALID_OPERATION);\n return 0;\n }\n if (ctx->cipher == NULL || ctx->cipher->prov == NULL)\n goto legacy;\n blocksize = EVP_CIPHER_CTX_block_size(ctx);\n if (ctx->cipher->cupdate == NULL || blocksize < 1) {\n EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_UPDATE_ERROR);\n return 0;\n }\n ret = ctx->cipher->cupdate(ctx->provctx, out, &soutl,\n inl + (blocksize == 1 ? 0 : blocksize), in,\n (size_t)inl);\n if (ret) {\n if (soutl > INT_MAX) {\n EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_UPDATE_ERROR);\n return 0;\n }\n *outl = soutl;\n }\n return ret;\n legacy:\n b = ctx->cipher->block_size;\n if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS))\n cmpl = (cmpl + 7) / 8;\n if (inl <= 0) {\n *outl = 0;\n return inl == 0;\n }\n if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {\n if (b == 1 && is_partially_overlapping(out, in, cmpl)) {\n EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n fix_len = ctx->cipher->do_cipher(ctx, out, in, inl);\n if (fix_len < 0) {\n *outl = 0;\n return 0;\n } else\n *outl = fix_len;\n return 1;\n }\n if (ctx->flags & EVP_CIPH_NO_PADDING)\n return evp_EncryptDecryptUpdate(ctx, out, outl, in, inl);\n OPENSSL_assert(b <= sizeof(ctx->final));\n if (ctx->final_used) {\n if (((PTRDIFF_T)out == (PTRDIFF_T)in)\n || is_partially_overlapping(out, in, b)) {\n EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n memcpy(out, ctx->final, b);\n out += b;\n fix_len = 1;\n } else\n fix_len = 0;\n if (!evp_EncryptDecryptUpdate(ctx, out, outl, in, inl))\n return 0;\n if (b > 1 && !ctx->buf_len) {\n *outl -= b;\n ctx->final_used = 1;\n memcpy(ctx->final, &out[*outl], b);\n } else\n ctx->final_used = 0;\n if (fix_len)\n *outl += b;\n return 1;\n}', 'int is_partially_overlapping(const void *ptr1, const void *ptr2, int len)\n{\n PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;\n int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |\n (diff > (0 - (PTRDIFF_T)len)));\n return overlapped;\n}'] |
16,620 | 0 | https://github.com/openssl/openssl/blob/361512da0d900ba276096cbd152e304d402aca65/crypto/bn/bn_ctx.c/#L355 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n\t\t const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tint i,bits,ret=0,window,wvalue;\n\tint top;\n \tBIGNUM *r;\n\tBN_MONT_CTX *mont=NULL;\n\tint numPowers;\n\tunsigned char *powerbufFree=NULL;\n\tint powerbufLen = 0;\n\tunsigned char *powerbuf=NULL;\n\tBIGNUM computeTemp, *am=NULL;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n\ttop = m->top;\n\tif (!(m->d[0] & 1))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME,BN_R_CALLED_WITH_EVEN_MODULUS);\n\t\treturn(0);\n\t\t}\n\tbits=BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tret = BN_one(rr);\n\t\treturn ret;\n\t\t}\n\tBN_CTX_start(ctx);\n\tr = BN_CTX_get(ctx);\n\tif (r == NULL) goto err;\n\tif (in_mont != NULL)\n\t\tmont=in_mont;\n\telse\n\t\t{\n\t\tif ((mont=BN_MONT_CTX_new()) == NULL) goto err;\n\t\tif (!BN_MONT_CTX_set(mont,m,ctx)) goto err;\n\t\t}\n\twindow = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(OPENSSL_BN_ASM_MONT5)\n\tif (window==6 && bits<=1024) window=5;\n#endif\n \tbits = ((bits+window-1)/window)*window;\n\tnumPowers = 1 << window;\n\tpowerbufLen = sizeof(m->d[0])*(top*numPowers +\n\t\t\t\t(top>numPowers?top:numPowers));\n\tif (powerbufLen < 3072)\n\t\tpowerbufFree = alloca(powerbufLen+MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n\telse if ((powerbufFree=(unsigned char*)OPENSSL_malloc(powerbufLen+MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH)) == NULL)\n\t\tgoto err;\n\tpowerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n\tmemset(powerbuf, 0, powerbufLen);\n\tif (powerbufLen < 3072)\n\t\tpowerbufFree = NULL;\n\tcomputeTemp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0])*top*numPowers);\n\tcomputeTemp.top = computeTemp.dmax = top;\n\tcomputeTemp.neg = 0;\n\tcomputeTemp.flags = BN_FLG_STATIC_DATA;\n \tif (!BN_to_montgomery(r,BN_value_one(),mont,ctx)) goto err;\n\tam = BN_CTX_get(ctx);\n\tif (am==NULL) goto err;\n\tif (a->neg || BN_ucmp(a,m) >= 0)\n\t\t{\n\t\tif (!BN_mod(am,a,m,ctx))\t\tgoto err;\n\t\tif (!BN_to_montgomery(am,am,mont,ctx))\tgoto err;\n\t\t}\n\telse\tif (!BN_to_montgomery(am,a,mont,ctx))\tgoto err;\n\tif (!BN_copy(&computeTemp, am)) goto err;\n\tif (bn_wexpand(am,top)==NULL ||\tbn_wexpand(r,top)==NULL)\n\t\tgoto err;\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window==5)\n\t{\n\tvoid bn_mul_mont_gather5(BN_ULONG *rp,const BN_ULONG *ap,\n\t\t\tconst void *table,const BN_ULONG *np,\n\t\t\tconst BN_ULONG *n0,int num,int power);\n\tvoid bn_scatter5(const BN_ULONG *inp,size_t num,\n\t\t\tvoid *table,size_t power);\n\tBN_ULONG *acc, *np=mont->N.d, *n0=mont->n0;\n\tbn_scatter5(r->d,r->top,powerbuf,0);\n\tbn_scatter5(am->d,am->top,powerbuf,1);\n\tacc = computeTemp.d;\n#if 0\n\tfor (i=2; i<32; i++)\n\t\t{\n\t\tbn_mul_mont_gather5(acc,am->d,powerbuf,np,n0,top,i-1);\n\t\tbn_scatter5(acc,top,powerbuf,i);\n\t\t}\n#else\n\tfor (i=2; i<32; i*=2)\n\t\t{\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_scatter5(acc,top,powerbuf,i);\n\t\t}\n\tfor (i=3; i<8; i+=2)\n\t\t{\n\t\tint j;\n\t\tbn_mul_mont_gather5(acc,am->d,powerbuf,np,n0,top,i-1);\n\t\tbn_scatter5(acc,top,powerbuf,i);\n\t\tfor (j=2*i; j<32; j*=2)\n\t\t\t{\n\t\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\t\tbn_scatter5(acc,top,powerbuf,j);\n\t\t\t}\n\t\t}\n\tfor (; i<16; i+=2)\n\t\t{\n\t\tbn_mul_mont_gather5(acc,am->d,powerbuf,np,n0,top,i-1);\n\t\tbn_scatter5(acc,top,powerbuf,i);\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_scatter5(acc,top,powerbuf,2*i);\n\t\t}\n\tfor (; i<32; i+=2)\n\t\t{\n\t\tbn_mul_mont_gather5(acc,am->d,powerbuf,np,n0,top,i-1);\n\t\tbn_scatter5(acc,top,powerbuf,i);\n\t\t}\n#endif\n\tacc = r->d;\n\tbits--;\n\twhile (bits >= 0)\n\t\t{\n\t\tfor (wvalue=0, i=0; i<5; i++,bits--)\n\t\t\twvalue = (wvalue<<1)+BN_is_bit_set(p,bits);\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_mul_mont(acc,acc,acc,np,n0,top);\n\t\tbn_mul_mont_gather5(acc,acc,powerbuf,np,n0,top,wvalue);\n\t\t}\n\tr->top=top;\n\tbn_correct_top(r);\n\t}\n else\n#endif\n\t{\n\tif (!MOD_EXP_CTIME_COPY_TO_PREBUF(r, top, powerbuf, 0, numPowers)) goto err;\n\tif (!MOD_EXP_CTIME_COPY_TO_PREBUF(am, top, powerbuf, 1, numPowers)) goto err;\n\tif (window > 1)\n\t\t{\n\t\tfor (i=2; i<numPowers; i++)\n\t\t\t{\n\t\t\tif (!BN_mod_mul_montgomery(&computeTemp,am,&computeTemp,mont,ctx))\n\t\t\t\tgoto err;\n\t\t\tif (!MOD_EXP_CTIME_COPY_TO_PREBUF(&computeTemp, top, powerbuf, i, numPowers)) goto err;\n\t\t\t}\n\t\t}\n\tbits--;\n \twhile (bits >= 0)\n \t\t{\n \t\twvalue=0;\n \t\tfor (i=0; i<window; i++,bits--)\n \t\t\t{\n\t\t\tif (!BN_mod_mul_montgomery(r,r,r,mont,ctx))\tgoto err;\n\t\t\twvalue = (wvalue<<1)+BN_is_bit_set(p,bits);\n \t\t\t}\n\t\tif (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&computeTemp, top, powerbuf, wvalue, numPowers)) goto err;\n \t\tif (!BN_mod_mul_montgomery(r,r,&computeTemp,mont,ctx)) goto err;\n \t\t}\n\t}\n\tif (!BN_from_montgomery(rr,r,mont,ctx)) goto err;\n\tret=1;\nerr:\n\tif ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);\n\tif (powerbuf!=NULL)\n\t\t{\n\t\tOPENSSL_cleanse(powerbuf,powerbufLen);\n\t\tif (powerbufFree) OPENSSL_free(powerbufFree);\n\t\t}\n \tif (am!=NULL) BN_clear(am);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n\t\t\t BN_MONT_CTX *mont, BN_CTX *ctx)\n\t{\n\tBIGNUM *tmp;\n\tint ret=0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n\tint num = mont->N.top;\n\tif (num>1 && a->top==num && b->top==num)\n\t\t{\n\t\tif (bn_wexpand(r,num) == NULL) return(0);\n\t\tif (bn_mul_mont(r->d,a->d,b->d,mont->N.d,mont->n0,num))\n\t\t\t{\n\t\t\tr->neg = a->neg^b->neg;\n\t\t\tr->top = num;\n\t\t\tbn_correct_top(r);\n\t\t\treturn(1);\n\t\t\t}\n\t\t}\n#endif\n\tBN_CTX_start(ctx);\n\ttmp = BN_CTX_get(ctx);\n\tif (tmp == NULL) goto err;\n\tbn_check_top(tmp);\n\tif (a == b)\n\t\t{\n\t\tif (!BN_sqr(tmp,a,ctx)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_mul(tmp,a,b,ctx)) goto err;\n\t\t}\n#ifdef MONT_WORD\n\tif (!BN_from_montgomery_word(r,tmp,mont)) goto err;\n#else\n\tif (!BN_from_montgomery(r,tmp,mont,ctx)) goto err;\n#endif\n\tbn_check_top(r);\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n\t{\n\tint max,al;\n\tint ret = 0;\n\tBIGNUM *tmp,*rr;\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_sqr %d * %d\\n",a->top,a->top);\n#endif\n\tbn_check_top(a);\n\tal=a->top;\n\tif (al <= 0)\n\t\t{\n\t\tr->top=0;\n\t\treturn 1;\n\t\t}\n\tBN_CTX_start(ctx);\n\trr=(a != r) ? r : BN_CTX_get(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tif (!rr || !tmp) goto err;\n\tmax = 2 * al;\n\tif (bn_wexpand(rr,max) == NULL) goto err;\n\tif (al == 4)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[8];\n\t\tbn_sqr_normal(rr->d,a->d,4,t);\n#else\n\t\tbn_sqr_comba4(rr->d,a->d);\n#endif\n\t\t}\n\telse if (al == 8)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[16];\n\t\tbn_sqr_normal(rr->d,a->d,8,t);\n#else\n\t\tbn_sqr_comba8(rr->d,a->d);\n#endif\n\t\t}\n\telse\n\t\t{\n#if defined(BN_RECURSION)\n\t\tif (al < BN_SQR_RECURSIVE_SIZE_NORMAL)\n\t\t\t{\n\t\t\tBN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL*2];\n\t\t\tbn_sqr_normal(rr->d,a->d,al,t);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint j,k;\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,k*2) == NULL) goto err;\n\t\t\t\tbn_sqr_recursive(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,max) == NULL) goto err;\n\t\t\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\t}\n#else\n\t\tif (bn_wexpand(tmp,max) == NULL) goto err;\n\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n#endif\n\t\t}\n\trr->neg=0;\n\tif(a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n\t\trr->top = max - 1;\n\telse\n\t\trr->top = max;\n\tif (rr != r) BN_copy(r,rr);\n\tret = 1;\n err:\n\tbn_check_top(rr);\n\tbn_check_top(tmp);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
16,621 | 0 | https://github.com/openssl/openssl/blob/0f3ffbd1581fad58095fedcc32b0da42a486b8b7/crypto/cms/cms_pwri.c/#L225 | 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;
} | ['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}', 'int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx)\n{\n return ctx->cipher->block_size;\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}', 'void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return;\n if (num)\n OPENSSL_cleanse(str, num);\n CRYPTO_free(str, file, line);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
16,622 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_lib.c/#L690 | int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)
{
int i;
BN_ULONG aa, bb;
aa = a[n - 1];
bb = b[n - 1];
if (aa != bb)
return ((aa > bb) ? 1 : -1);
for (i = n - 2; i >= 0; i--) {
aa = a[i];
bb = b[i];
if (aa != bb)
return ((aa > bb) ? 1 : -1);
}
return 0;
} | ['static int test_div_recip(void)\n{\n BIGNUM *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL;\n BN_RECP_CTX *recp = NULL;\n int st = 0, i;\n if (!TEST_ptr(a = BN_new())\n || !TEST_ptr(b = BN_new())\n || !TEST_ptr(c = BN_new())\n || !TEST_ptr(d = BN_new())\n || !TEST_ptr(e = BN_new())\n || !TEST_ptr(recp = BN_RECP_CTX_new()))\n goto err;\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 BN_set_negative(a, rand_neg());\n BN_set_negative(b, rand_neg());\n BN_RECP_CTX_set(recp, b, ctx);\n BN_div_recp(d, c, a, recp, ctx);\n BN_mul(e, d, b, ctx);\n BN_add(d, e, c);\n BN_sub(d, d, a);\n if (!TEST_BN_eq_zero(d))\n goto err;\n }\n st = 1;\nerr:\n BN_free(a);\n BN_free(b);\n BN_free(c);\n BN_free(d);\n BN_free(e);\n BN_RECP_CTX_free(recp);\n return st;\n}', 'int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!BN_copy(&(recp->N), d))\n return 0;\n BN_zero(&(recp->Nr));\n recp->num_bits = BN_num_bits(d);\n recp->shift = 0;\n return 1;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->neg = b->neg;\n a->top = b->top;\n a->flags |= b->flags & BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return a;\n}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int i, j, ret = 0;\n BIGNUM *a, *b, *d, *r;\n BN_CTX_start(ctx);\n d = (dv != NULL) ? dv : BN_CTX_get(ctx);\n r = (rem != NULL) ? rem : BN_CTX_get(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (b == NULL)\n goto err;\n if (BN_ucmp(m, &(recp->N)) < 0) {\n BN_zero(d);\n if (!BN_copy(r, m)) {\n BN_CTX_end(ctx);\n return 0;\n }\n BN_CTX_end(ctx);\n return 1;\n }\n i = BN_num_bits(m);\n j = recp->num_bits << 1;\n if (j > i)\n i = j;\n if (i != recp->shift)\n recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);\n if (recp->shift == -1)\n goto err;\n if (!BN_rshift(a, m, recp->num_bits))\n goto err;\n if (!BN_mul(b, a, &(recp->Nr), ctx))\n goto err;\n if (!BN_rshift(d, b, i - recp->num_bits))\n goto err;\n d->neg = 0;\n if (!BN_mul(b, &(recp->N), d, ctx))\n goto err;\n if (!BN_usub(r, m, b))\n goto err;\n r->neg = 0;\n j = 0;\n while (BN_ucmp(r, &(recp->N)) >= 0) {\n if (j++ > 2) {\n BNerr(BN_F_BN_DIV_RECP, BN_R_BAD_RECIPROCAL);\n goto err;\n }\n if (!BN_usub(r, r, &(recp->N)))\n goto err;\n if (!BN_add_word(d, 1))\n goto err;\n }\n r->neg = BN_is_zero(r) ? 0 : m->neg;\n d->neg = m->neg ^ recp->N.neg;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(dv);\n bn_check_top(rem);\n return ret;\n}', 'int BN_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}', 'void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,\n int tna, int tnb, BN_ULONG *t)\n{\n int i, j, n2 = n * 2;\n int c1, c2, neg;\n BN_ULONG ln, lo, *p;\n if (n < 8) {\n bn_mul_normal(r, a, n + tna, b, n + tnb);\n return;\n }\n c1 = bn_cmp_part_words(a, &(a[n]), tna, n - tna);\n c2 = bn_cmp_part_words(&(b[n]), b, tnb, tnb - n);\n neg = 0;\n switch (c1 * 3 + c2) {\n case -4:\n bn_sub_part_words(t, &(a[n]), a, tna, tna - n);\n bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb);\n break;\n case -3:\n case -2:\n bn_sub_part_words(t, &(a[n]), a, tna, tna - n);\n bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n);\n neg = 1;\n break;\n case -1:\n case 0:\n case 1:\n case 2:\n bn_sub_part_words(t, a, &(a[n]), tna, n - tna);\n bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb);\n neg = 1;\n break;\n case 3:\n case 4:\n bn_sub_part_words(t, a, &(a[n]), tna, n - tna);\n bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n);\n break;\n }\n# if 0\n if (n == 4) {\n bn_mul_comba4(&(t[n2]), t, &(t[n]));\n bn_mul_comba4(r, a, b);\n bn_mul_normal(&(r[n2]), &(a[n]), tn, &(b[n]), tn);\n memset(&r[n2 + tn * 2], 0, sizeof(*r) * (n2 - tn * 2));\n } else\n# endif\n if (n == 8) {\n bn_mul_comba8(&(t[n2]), t, &(t[n]));\n bn_mul_comba8(r, a, b);\n bn_mul_normal(&(r[n2]), &(a[n]), tna, &(b[n]), tnb);\n memset(&r[n2 + tna + tnb], 0, sizeof(*r) * (n2 - tna - tnb));\n } else {\n p = &(t[n2 * 2]);\n bn_mul_recursive(&(t[n2]), t, &(t[n]), n, 0, 0, p);\n bn_mul_recursive(r, a, b, n, 0, 0, p);\n i = n / 2;\n if (tna > tnb)\n j = tna - i;\n else\n j = tnb - i;\n if (j == 0) {\n bn_mul_recursive(&(r[n2]), &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n memset(&r[n2 + i * 2], 0, sizeof(*r) * (n2 - i * 2));\n } else if (j > 0) {\n bn_mul_part_recursive(&(r[n2]), &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n memset(&(r[n2 + tna + tnb]), 0,\n sizeof(BN_ULONG) * (n2 - tna - tnb));\n } else {\n memset(&r[n2], 0, sizeof(*r) * n2);\n if (tna < BN_MUL_RECURSIVE_SIZE_NORMAL\n && tnb < BN_MUL_RECURSIVE_SIZE_NORMAL) {\n bn_mul_normal(&(r[n2]), &(a[n]), tna, &(b[n]), tnb);\n } else {\n for (;;) {\n i /= 2;\n if (i < tna || i < tnb) {\n bn_mul_part_recursive(&(r[n2]),\n &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n break;\n } else if (i == tna || i == tnb) {\n bn_mul_recursive(&(r[n2]),\n &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n break;\n }\n }\n }\n }\n }\n c1 = (int)(bn_add_words(t, r, &(r[n2]), n2));\n if (neg) {\n c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2));\n } else {\n c1 += (int)(bn_add_words(&(t[n2]), &(t[n2]), t, n2));\n }\n c1 += (int)(bn_add_words(&(r[n]), &(r[n]), &(t[n2]), n2));\n if (c1) {\n p = &(r[n + n2]);\n lo = *p;\n ln = (lo + c1) & BN_MASK2;\n *p = ln;\n if (ln < (BN_ULONG)c1) {\n do {\n p++;\n lo = *p;\n ln = (lo + 1) & BN_MASK2;\n *p = ln;\n } while (ln == 0);\n }\n }\n}', 'int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b, int cl, int dl)\n{\n int n, i;\n n = cl - 1;\n if (dl < 0) {\n for (i = dl; i < 0; i++) {\n if (b[n - i] != 0)\n return -1;\n }\n }\n if (dl > 0) {\n for (i = dl; i > 0; i--) {\n if (a[n + i] != 0)\n return 1;\n }\n }\n return bn_cmp_words(a, b, cl);\n}', 'int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)\n{\n int i;\n BN_ULONG aa, bb;\n aa = a[n - 1];\n bb = b[n - 1];\n if (aa != bb)\n return ((aa > bb) ? 1 : -1);\n for (i = n - 2; i >= 0; i--) {\n aa = a[i];\n bb = b[i];\n if (aa != bb)\n return ((aa > bb) ? 1 : -1);\n }\n return 0;\n}'] |
16,623 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L139 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | ['static int h261_decode_mb(H261Context *h)\n{\n MpegEncContext *const s = &h->s;\n int i, cbp, xy;\n cbp = 63;\n do {\n h->mba_diff = bitstream_read_vlc(&s->bc, h261_mba_vlc.table,\n H261_MBA_VLC_BITS, 2);\n if (h->mba_diff == MBA_STARTCODE) {\n h->gob_start_code_skipped = 1;\n return SLICE_END;\n }\n } while (h->mba_diff == MBA_STUFFING);\n if (h->mba_diff < 0) {\n if (bitstream_bits_left(&s->bc) <= 7)\n return SLICE_END;\n av_log(s->avctx, AV_LOG_ERROR, "illegal mba at %d %d\\n", s->mb_x, s->mb_y);\n return SLICE_ERROR;\n }\n h->mba_diff += 1;\n h->current_mba += h->mba_diff;\n if (h->current_mba > MBA_STUFFING)\n return SLICE_ERROR;\n s->mb_x = ((h->gob_number - 1) % 2) * 11 + ((h->current_mba - 1) % 11);\n s->mb_y = ((h->gob_number - 1) / 2) * 3 + ((h->current_mba - 1) / 11);\n xy = s->mb_x + s->mb_y * s->mb_stride;\n ff_init_block_index(s);\n ff_update_block_index(s);\n h->mtype = bitstream_read_vlc(&s->bc, h261_mtype_vlc.table, H261_MTYPE_VLC_BITS, 2);\n if (h->mtype < 0 || h->mtype >= FF_ARRAY_ELEMS(ff_h261_mtype_map)) {\n av_log(s->avctx, AV_LOG_ERROR, "Invalid mtype index %d\\n",\n h->mtype);\n return SLICE_ERROR;\n }\n h->mtype = ff_h261_mtype_map[h->mtype];\n if (IS_QUANT(h->mtype))\n ff_set_qscale(s, bitstream_read(&s->bc, 5));\n s->mb_intra = IS_INTRA4x4(h->mtype);\n if (IS_16X16(h->mtype)) {\n if ((h->current_mba == 1) || (h->current_mba == 12) ||\n (h->current_mba == 23) || (h->mba_diff != 1)) {\n h->current_mv_x = 0;\n h->current_mv_y = 0;\n }\n h->current_mv_x = decode_mv_component(&s->bc, h->current_mv_x);\n h->current_mv_y = decode_mv_component(&s->bc, h->current_mv_y);\n } else {\n h->current_mv_x = 0;\n h->current_mv_y = 0;\n }\n if (HAS_CBP(h->mtype))\n cbp = bitstream_read_vlc(&s->bc, h261_cbp_vlc.table, H261_CBP_VLC_BITS, 2) + 1;\n if (s->mb_intra) {\n s->current_picture.mb_type[xy] = MB_TYPE_INTRA;\n goto intra;\n }\n s->mv_dir = MV_DIR_FORWARD;\n s->mv_type = MV_TYPE_16X16;\n s->current_picture.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_L0;\n s->mv[0][0][0] = h->current_mv_x * 2;\n s->mv[0][0][1] = h->current_mv_y * 2;\nintra:\n if (s->mb_intra || HAS_CBP(h->mtype)) {\n s->bdsp.clear_blocks(s->block[0]);\n for (i = 0; i < 6; i++) {\n if (h261_decode_block(h, s->block[i], i, cbp & 32) < 0)\n return SLICE_ERROR;\n cbp += cbp;\n }\n } else {\n for (i = 0; i < 6; i++)\n s->block_last_index[i] = -1;\n }\n ff_mpv_decode_mb(s, s->block);\n return SLICE_OK;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
16,624 | 0 | https://github.com/libav/libav/blob/c0f8ee0fd73ad4f672855a0b083155172fe20c7f/ffmpeg.c/#L3491 | static void new_audio_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodecContext *audio_enc;
enum CodecID codec_id;
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, AVMEDIA_TYPE_AUDIO);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
audio_bitstream_filters= NULL;
avcodec_thread_init(st->codec, thread_count);
audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if(audio_codec_tag)
audio_enc->codec_tag= audio_codec_tag;
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
}
if (audio_stream_copy) {
st->stream_copy = 1;
audio_enc->channels = audio_channels;
audio_enc->sample_rate = audio_sample_rate;
} else {
AVCodec *codec;
set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
if (audio_codec_name) {
codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
audio_enc->strict_std_compliance);
codec = avcodec_find_encoder_by_name(audio_codec_name);
output_codecs[nb_ocodecs] = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
codec = avcodec_find_encoder(codec_id);
}
audio_enc->codec_id = codec_id;
if (audio_qscale > QSCALE_NONE) {
audio_enc->flags |= CODEC_FLAG_QSCALE;
audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
}
audio_enc->channels = audio_channels;
audio_enc->sample_fmt = audio_sample_fmt;
audio_enc->sample_rate = audio_sample_rate;
audio_enc->channel_layout = channel_layout;
if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
audio_enc->channel_layout = 0;
choose_sample_fmt(st, codec);
choose_sample_rate(st, codec);
}
nb_ocodecs++;
audio_enc->time_base= (AVRational){1, audio_sample_rate};
if (audio_language) {
av_metadata_set2(&st->metadata, "language", audio_language, 0);
av_freep(&audio_language);
}
audio_disable = 0;
av_freep(&audio_codec_name);
audio_stream_copy = 0;
} | ['static void new_audio_stream(AVFormatContext *oc)\n{\n AVStream *st;\n AVCodecContext *audio_enc;\n enum CodecID codec_id;\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, AVMEDIA_TYPE_AUDIO);\n bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;\n audio_bitstream_filters= NULL;\n avcodec_thread_init(st->codec, thread_count);\n audio_enc = st->codec;\n audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;\n if(audio_codec_tag)\n audio_enc->codec_tag= audio_codec_tag;\n if (oc->oformat->flags & AVFMT_GLOBALHEADER) {\n audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;\n avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;\n }\n if (audio_stream_copy) {\n st->stream_copy = 1;\n audio_enc->channels = audio_channels;\n audio_enc->sample_rate = audio_sample_rate;\n } else {\n AVCodec *codec;\n set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);\n if (audio_codec_name) {\n codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,\n audio_enc->strict_std_compliance);\n codec = avcodec_find_encoder_by_name(audio_codec_name);\n output_codecs[nb_ocodecs] = codec;\n } else {\n codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);\n codec = avcodec_find_encoder(codec_id);\n }\n audio_enc->codec_id = codec_id;\n if (audio_qscale > QSCALE_NONE) {\n audio_enc->flags |= CODEC_FLAG_QSCALE;\n audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;\n }\n audio_enc->channels = audio_channels;\n audio_enc->sample_fmt = audio_sample_fmt;\n audio_enc->sample_rate = audio_sample_rate;\n audio_enc->channel_layout = channel_layout;\n if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)\n audio_enc->channel_layout = 0;\n choose_sample_fmt(st, codec);\n choose_sample_rate(st, codec);\n }\n nb_ocodecs++;\n audio_enc->time_base= (AVRational){1, audio_sample_rate};\n if (audio_language) {\n av_metadata_set2(&st->metadata, "language", audio_language, 0);\n av_freep(&audio_language);\n }\n audio_disable = 0;\n av_freep(&audio_codec_name);\n audio_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 av_log(s, AV_LOG_ERROR, "Too many streams\\n");\n return NULL;\n }\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}'] |
16,625 | 0 | https://github.com/nginx/nginx/blob/4fe0a09942f8aed90f84c77969847980e9aadd98/src/core/ngx_string.c/#L922 | ngx_int_t
ngx_atoi(u_char *line, size_t n)
{
ngx_int_t value, cutoff, cutlim;
if (n == 0) {
return NGX_ERROR;
}
cutoff = NGX_MAX_INT_T_VALUE / 10;
cutlim = NGX_MAX_INT_T_VALUE % 10;
for (value = 0; n--; line++) {
if (*line < '0' || *line > '9') {
return NGX_ERROR;
}
if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) {
return NGX_ERROR;
}
value = value * 10 + (*line - '0');
}
return value;
} | ['static char *\nngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)\n{\n ngx_http_core_loc_conf_t *clcf = conf;\n time_t inactive;\n ngx_str_t *value, s;\n ngx_int_t max;\n ngx_uint_t i;\n if (clcf->open_file_cache != NGX_CONF_UNSET_PTR) {\n return "is duplicate";\n }\n value = cf->args->elts;\n max = 0;\n inactive = 60;\n for (i = 1; i < cf->args->nelts; i++) {\n if (ngx_strncmp(value[i].data, "max=", 4) == 0) {\n max = ngx_atoi(value[i].data + 4, value[i].len - 4);\n if (max <= 0) {\n goto failed;\n }\n continue;\n }\n if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {\n s.len = value[i].len - 9;\n s.data = value[i].data + 9;\n inactive = ngx_parse_time(&s, 1);\n if (inactive == (time_t) NGX_ERROR) {\n goto failed;\n }\n continue;\n }\n if (ngx_strcmp(value[i].data, "off") == 0) {\n clcf->open_file_cache = NULL;\n continue;\n }\n failed:\n ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,\n "invalid \\"open_file_cache\\" parameter \\"%V\\"",\n &value[i]);\n return NGX_CONF_ERROR;\n }\n if (clcf->open_file_cache == NULL) {\n return NGX_CONF_OK;\n }\n if (max == 0) {\n ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,\n "\\"open_file_cache\\" must have the \\"max\\" parameter");\n return NGX_CONF_ERROR;\n }\n clcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive);\n if (clcf->open_file_cache) {\n return NGX_CONF_OK;\n }\n return NGX_CONF_ERROR;\n}', "ngx_int_t\nngx_atoi(u_char *line, size_t n)\n{\n ngx_int_t value, cutoff, cutlim;\n if (n == 0) {\n return NGX_ERROR;\n }\n cutoff = NGX_MAX_INT_T_VALUE / 10;\n cutlim = NGX_MAX_INT_T_VALUE % 10;\n for (value = 0; n--; line++) {\n if (*line < '0' || *line > '9') {\n return NGX_ERROR;\n }\n if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) {\n return NGX_ERROR;\n }\n value = value * 10 + (*line - '0');\n }\n return value;\n}"] |
16,626 | 0 | https://github.com/libav/libav/blob/490a022d86ef1c506a79744c5a95368af356fc69/libavcodec/smacker.c/#L298 | static int decode_header_trees(SmackVContext *smk) {
GetBitContext gb;
int mmap_size, mclr_size, full_size, type_size;
mmap_size = AV_RL32(smk->avctx->extradata);
mclr_size = AV_RL32(smk->avctx->extradata + 4);
full_size = AV_RL32(smk->avctx->extradata + 8);
type_size = AV_RL32(smk->avctx->extradata + 12);
init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8);
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n");
smk->mmap_tbl = av_malloc(sizeof(int) * 2);
smk->mmap_tbl[0] = 0;
smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1;
} else {
smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size);
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n");
smk->mclr_tbl = av_malloc(sizeof(int) * 2);
smk->mclr_tbl[0] = 0;
smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1;
} else {
smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size);
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n");
smk->full_tbl = av_malloc(sizeof(int) * 2);
smk->full_tbl[0] = 0;
smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1;
} else {
smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size);
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n");
smk->type_tbl = av_malloc(sizeof(int) * 2);
smk->type_tbl[0] = 0;
smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1;
} else {
smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size);
}
return 0;
} | ['static int decode_header_trees(SmackVContext *smk) {\n GetBitContext gb;\n int mmap_size, mclr_size, full_size, type_size;\n mmap_size = AV_RL32(smk->avctx->extradata);\n mclr_size = AV_RL32(smk->avctx->extradata + 4);\n full_size = AV_RL32(smk->avctx->extradata + 8);\n type_size = AV_RL32(smk->avctx->extradata + 12);\n init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8);\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\\n");\n smk->mmap_tbl = av_malloc(sizeof(int) * 2);\n smk->mmap_tbl[0] = 0;\n smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1;\n } else {\n smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size);\n }\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\\n");\n smk->mclr_tbl = av_malloc(sizeof(int) * 2);\n smk->mclr_tbl[0] = 0;\n smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1;\n } else {\n smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size);\n }\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\\n");\n smk->full_tbl = av_malloc(sizeof(int) * 2);\n smk->full_tbl[0] = 0;\n smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1;\n } else {\n smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size);\n }\n if(!get_bits1(&gb)) {\n av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\\n");\n smk->type_tbl = av_malloc(sizeof(int) * 2);\n smk->type_tbl[0] = 0;\n smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1;\n } else {\n smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size);\n }\n return 0;\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 A32_BITSTREAM_READER\n s->buffer_ptr = (uint32_t*)((intptr_t)buffer & ~3);\n s->bit_count = 32 + 8*((intptr_t)buffer & 3);\n skip_bits_long(s, 0);\n#endif\n}', 'static inline unsigned int get_bits1(GetBitContext *s){\n#ifdef ALT_BITSTREAM_READER\n unsigned int index = s->index;\n uint8_t result = s->buffer[index>>3];\n#ifdef ALT_BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n index++;\n s->index = index;\n return result;\n#else\n return get_bits(s, 1);\n#endif\n}', '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-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
16,627 | 0 | https://github.com/openssl/openssl/blob/5dfc369ffcdc4722482c818e6ba6cf6e704c2cb5/crypto/asn1/x_req.c/#L200 | X509_REQ *X509_REQ_new(void)
{
X509_REQ *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret,X509_REQ);
ret->references=1;
M_ASN1_New(ret->req_info,X509_REQ_INFO_new);
M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
return(ret);
M_ASN1_New_Error(ASN1_F_X509_REQ_NEW);
} | ['X509_REQ *X509_REQ_new(void)\n\t{\n\tX509_REQ *ret=NULL;\n\tASN1_CTX c;\n\tM_ASN1_New_Malloc(ret,X509_REQ);\n\tret->references=1;\n\tM_ASN1_New(ret->req_info,X509_REQ_INFO_new);\n\tM_ASN1_New(ret->sig_alg,X509_ALGOR_new);\n\tM_ASN1_New(ret->signature,ASN1_BIT_STRING_new);\n\treturn(ret);\n\tM_ASN1_New_Error(ASN1_F_X509_REQ_NEW);\n\t}'] |
16,628 | 0 | https://github.com/libav/libav/blob/c8fa647811371885be421a84a2388529857fed23/libavcodec/ffv1.h/#L155 | static inline int get_context(PlaneContext *p, int16_t *src,
int16_t *last, int16_t *last2)
{
const int LT = last[-1];
const int T = last[0];
const int RT = last[1];
const int L = src[-1];
if (p->quant_table[3][127]) {
const int TT = last2[0];
const int LL = src[-2];
return p->quant_table[0][(L - LT) & 0xFF] +
p->quant_table[1][(LT - T) & 0xFF] +
p->quant_table[2][(T - RT) & 0xFF] +
p->quant_table[3][(LL - L) & 0xFF] +
p->quant_table[4][(TT - T) & 0xFF];
} else
return p->quant_table[0][(L - LT) & 0xFF] +
p->quant_table[1][(LT - T) & 0xFF] +
p->quant_table[2][(T - RT) & 0xFF];
} | ['static int decode_slice(AVCodecContext *c, void *arg)\n{\n FFV1Context *fs = *(void **)arg;\n FFV1Context *f = fs->avctx->priv_data;\n int width, height, x, y, ret;\n const int ps = (av_pix_fmt_desc_get(c->pix_fmt)->flags & AV_PIX_FMT_FLAG_PLANAR)\n ? (c->bits_per_raw_sample > 8) + 1\n : 4;\n AVFrame *const p = f->cur;\n if (f->version > 2) {\n if (decode_slice_header(f, fs) < 0) {\n fs->slice_damaged = 1;\n return AVERROR_INVALIDDATA;\n }\n }\n if ((ret = ffv1_init_slice_state(f, fs)) < 0)\n return ret;\n if (f->cur->key_frame)\n ffv1_clear_slice_state(f, fs);\n width = fs->slice_width;\n height = fs->slice_height;\n x = fs->slice_x;\n y = fs->slice_y;\n if (fs->ac == AC_GOLOMB_RICE) {\n if (f->version == 3 && f->minor_version > 1 || f->version > 3)\n get_rac(&fs->c, (uint8_t[]) { 129 });\n fs->ac_byte_count = f->version > 2 || (!x && !y) ? fs->c.bytestream - fs->c.bytestream_start - 1 : 0;\n init_get_bits(&fs->gb, fs->c.bytestream_start + fs->ac_byte_count,\n (fs->c.bytestream_end - fs->c.bytestream_start -\n fs->ac_byte_count) * 8);\n }\n av_assert1(width && height);\n if (f->colorspace == 0) {\n const int chroma_width = -((-width) >> f->chroma_h_shift);\n const int chroma_height = -((-height) >> f->chroma_v_shift);\n const int cx = x >> f->chroma_h_shift;\n const int cy = y >> f->chroma_v_shift;\n decode_plane(fs, p->data[0] + ps * x + y * p->linesize[0], width,\n height, p->linesize[0],\n 0);\n if (f->chroma_planes) {\n decode_plane(fs, p->data[1] + ps * cx + cy * p->linesize[1],\n chroma_width, chroma_height, p->linesize[1],\n 1);\n decode_plane(fs, p->data[2] + ps * cx + cy * p->linesize[2],\n chroma_width, chroma_height, p->linesize[2],\n 1);\n }\n if (fs->transparency)\n decode_plane(fs, p->data[3] + ps * x + y * p->linesize[3], width,\n height, p->linesize[3],\n 2);\n } else {\n uint8_t *planes[3] = { p->data[0] + ps * x + y * p->linesize[0],\n p->data[1] + ps * x + y * p->linesize[1],\n p->data[2] + ps * x + y * p->linesize[2] };\n decode_rgb_frame(fs, planes, width, height, p->linesize);\n }\n if (fs->ac != AC_GOLOMB_RICE && f->version > 2) {\n int v;\n get_rac(&fs->c, (uint8_t[]) { 129 });\n v = fs->c.bytestream_end - fs->c.bytestream - 2 - 5 * f->ec;\n if (v) {\n av_log(f->avctx, AV_LOG_ERROR, "bytestream end mismatching by %d\\n",\n v);\n fs->slice_damaged = 1;\n }\n }\n emms_c();\n return 0;\n}', 'void ffv1_clear_slice_state(FFV1Context *f, FFV1Context *fs)\n{\n int i, j;\n for (i = 0; i < f->plane_count; i++) {\n PlaneContext *p = &fs->plane[i];\n p->interlace_bit_state[0] = 128;\n p->interlace_bit_state[1] = 128;\n if (fs->ac != AC_GOLOMB_RICE) {\n if (f->initial_states[p->quant_table_index]) {\n memcpy(p->state, f->initial_states[p->quant_table_index],\n CONTEXT_SIZE * p->context_count);\n } else\n memset(p->state, 128, CONTEXT_SIZE * p->context_count);\n } else {\n for (j = 0; j < p->context_count; j++) {\n p->vlc_state[j].drift = 0;\n p->vlc_state[j].error_sum = 4;\n p->vlc_state[j].bias = 0;\n p->vlc_state[j].count = 1;\n }\n }\n }\n}', 'static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h,\n int stride[3])\n{\n int x, y, p;\n int16_t *sample[4][2];\n int lbd = s->avctx->bits_per_raw_sample <= 8;\n int bits = s->avctx->bits_per_raw_sample > 0\n ? s->avctx->bits_per_raw_sample\n : 8;\n int offset = 1 << bits;\n for (x = 0; x < 4; x++) {\n sample[x][0] = s->sample_buffer + x * 2 * (w + 6) + 3;\n sample[x][1] = s->sample_buffer + (x * 2 + 1) * (w + 6) + 3;\n }\n s->run_index = 0;\n memset(s->sample_buffer, 0, 8 * (w + 6) * sizeof(*s->sample_buffer));\n for (y = 0; y < h; y++) {\n for (p = 0; p < 3 + s->transparency; p++) {\n int16_t *temp = sample[p][0];\n sample[p][0] = sample[p][1];\n sample[p][1] = temp;\n sample[p][1][-1] = sample[p][0][0];\n sample[p][0][w] = sample[p][0][w - 1];\n if (lbd)\n decode_line(s, w, sample[p], (p + 1) / 2, 9);\n else\n decode_line(s, w, sample[p], (p + 1) / 2, bits + 1);\n }\n for (x = 0; x < w; x++) {\n int g = sample[0][1][x];\n int b = sample[1][1][x];\n int r = sample[2][1][x];\n int a = sample[3][1][x];\n b -= offset;\n r -= offset;\n g -= (b + r) >> 2;\n b += g;\n r += g;\n if (lbd)\n *((uint32_t *)(src[0] + x * 4 + stride[0] * y)) = b +\n (g << 8) + (r << 16) + (a << 24);\n else {\n *((uint16_t *)(src[0] + x * 2 + stride[0] * y)) = b;\n *((uint16_t *)(src[1] + x * 2 + stride[1] * y)) = g;\n *((uint16_t *)(src[2] + x * 2 + stride[2] * y)) = r;\n }\n }\n }\n}', 'static av_always_inline void decode_line(FFV1Context *s, int w,\n int16_t *sample[2],\n int plane_index, int bits)\n{\n PlaneContext *const p = &s->plane[plane_index];\n RangeCoder *const c = &s->c;\n int x;\n int run_count = 0;\n int run_mode = 0;\n int run_index = s->run_index;\n for (x = 0; x < w; x++) {\n int diff, context, sign;\n context = get_context(p, sample[1] + x, sample[0] + x, sample[1] + x);\n if (context < 0) {\n context = -context;\n sign = 1;\n } else\n sign = 0;\n av_assert2(context < p->context_count);\n if (s->ac != AC_GOLOMB_RICE) {\n diff = get_symbol_inline(c, p->state[context], 1);\n } else {\n if (context == 0 && run_mode == 0)\n run_mode = 1;\n if (run_mode) {\n if (run_count == 0 && run_mode == 1) {\n if (get_bits1(&s->gb)) {\n run_count = 1 << ff_log2_run[run_index];\n if (x + run_count <= w)\n run_index++;\n } else {\n if (ff_log2_run[run_index])\n run_count = get_bits(&s->gb, ff_log2_run[run_index]);\n else\n run_count = 0;\n if (run_index)\n run_index--;\n run_mode = 2;\n }\n }\n run_count--;\n if (run_count < 0) {\n run_mode = 0;\n run_count = 0;\n diff = get_vlc_symbol(&s->gb, &p->vlc_state[context],\n bits);\n if (diff >= 0)\n diff++;\n } else\n diff = 0;\n } else\n diff = get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);\n ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\\n",\n run_count, run_index, run_mode, x, get_bits_count(&s->gb));\n }\n if (sign)\n diff = -diff;\n sample[1][x] = (predict(sample[1] + x, sample[0] + x) + diff) &\n ((1 << bits) - 1);\n }\n s->run_index = run_index;\n}', 'static inline int get_context(PlaneContext *p, int16_t *src,\n int16_t *last, int16_t *last2)\n{\n const int LT = last[-1];\n const int T = last[0];\n const int RT = last[1];\n const int L = src[-1];\n if (p->quant_table[3][127]) {\n const int TT = last2[0];\n const int LL = src[-2];\n return p->quant_table[0][(L - LT) & 0xFF] +\n p->quant_table[1][(LT - T) & 0xFF] +\n p->quant_table[2][(T - RT) & 0xFF] +\n p->quant_table[3][(LL - L) & 0xFF] +\n p->quant_table[4][(TT - T) & 0xFF];\n } else\n return p->quant_table[0][(L - LT) & 0xFF] +\n p->quant_table[1][(LT - T) & 0xFF] +\n p->quant_table[2][(T - RT) & 0xFF];\n}'] |
16,629 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L271 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['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 if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,630 | 0 | https://github.com/libav/libav/blob/7fa70598e83cca650717d02ac96bcf55e9f97c19/libavformat/mpeg.c/#L507 | static int mpegps_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
MpegDemuxContext *m = s->priv_data;
AVStream *st;
int len, startcode, i, es_type;
enum CodecID codec_id = CODEC_ID_NONE;
enum CodecType type;
int64_t pts, dts, dummy_pos;
uint8_t dvdaudio_substream_type;
redo:
len = mpegps_read_pes_header(s, &dummy_pos, &startcode, &pts, &dts);
if (len < 0)
return len;
if(startcode == 0x1bd) {
dvdaudio_substream_type = get_byte(s->pb);
url_fskip(s->pb, 3);
len -= 4;
}
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->id == startcode)
goto found;
}
es_type = m->psm_es_type[startcode & 0xff];
if(es_type > 0 && es_type != STREAM_TYPE_PRIVATE_DATA){
if(es_type == STREAM_TYPE_VIDEO_MPEG1){
codec_id = CODEC_ID_MPEG2VIDEO;
type = CODEC_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_VIDEO_MPEG2){
codec_id = CODEC_ID_MPEG2VIDEO;
type = CODEC_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_AUDIO_MPEG1 ||
es_type == STREAM_TYPE_AUDIO_MPEG2){
codec_id = CODEC_ID_MP3;
type = CODEC_TYPE_AUDIO;
} else if(es_type == STREAM_TYPE_AUDIO_AAC){
codec_id = CODEC_ID_AAC;
type = CODEC_TYPE_AUDIO;
} else if(es_type == STREAM_TYPE_VIDEO_MPEG4){
codec_id = CODEC_ID_MPEG4;
type = CODEC_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_VIDEO_H264){
codec_id = CODEC_ID_H264;
type = CODEC_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_AUDIO_AC3){
codec_id = CODEC_ID_AC3;
type = CODEC_TYPE_AUDIO;
} else {
goto skip;
}
} else if (startcode >= 0x1e0 && startcode <= 0x1ef) {
static const unsigned char avs_seqh[4] = { 0, 0, 1, 0xb0 };
unsigned char buf[8];
get_buffer(s->pb, buf, 8);
url_fseek(s->pb, -8, SEEK_CUR);
if(!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1))
codec_id = CODEC_ID_CAVS;
else
codec_id = CODEC_ID_PROBE;
type = CODEC_TYPE_VIDEO;
} else if (startcode >= 0x1c0 && startcode <= 0x1df) {
type = CODEC_TYPE_AUDIO;
codec_id = m->sofdec > 0 ? CODEC_ID_ADPCM_ADX : CODEC_ID_MP2;
} else if (startcode >= 0x80 && startcode <= 0x87) {
type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_AC3;
} else if ( ( startcode >= 0x88 && startcode <= 0x8f)
||( startcode >= 0x98 && startcode <= 0x9f)) {
type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_DTS;
} else if (startcode >= 0xa0 && startcode <= 0xaf) {
type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_PCM_DVD;
} else if (startcode >= 0xb0 && startcode <= 0xbf) {
type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_MLP;
} else if (startcode >= 0xc0 && startcode <= 0xcf) {
type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_AC3;
} else if (startcode >= 0x20 && startcode <= 0x3f) {
type = CODEC_TYPE_SUBTITLE;
codec_id = CODEC_ID_DVD_SUBTITLE;
} else if (startcode >= 0xfd55 && startcode <= 0xfd5f) {
type = CODEC_TYPE_VIDEO;
codec_id = CODEC_ID_VC1;
} else if (startcode == 0x1bd) {
type = CODEC_TYPE_AUDIO;
switch(dvdaudio_substream_type & 0xe0) {
case 0xa0: codec_id = CODEC_ID_PCM_DVD;
break;
case 0x80: if((dvdaudio_substream_type & 0xf8) == 0x88)
codec_id = CODEC_ID_DTS;
else codec_id = CODEC_ID_AC3;
break;
default: av_log(s, AV_LOG_ERROR, "Unknown 0x1bd sub-stream\n");
goto skip;
}
} else {
skip:
url_fskip(s->pb, len);
goto redo;
}
st = av_new_stream(s, startcode);
if (!st)
goto skip;
st->codec->codec_type = type;
st->codec->codec_id = codec_id;
if (codec_id != CODEC_ID_PCM_S16BE)
st->need_parsing = AVSTREAM_PARSE_FULL;
found:
if(st->discard >= AVDISCARD_ALL)
goto skip;
if ((startcode >= 0xa0 && startcode <= 0xaf) ||
(startcode == 0x1bd && ((dvdaudio_substream_type & 0xe0) == 0xa0))) {
int b1, freq;
if (len <= 3)
goto skip;
get_byte(s->pb);
b1 = get_byte(s->pb);
get_byte(s->pb);
len -= 3;
freq = (b1 >> 4) & 3;
st->codec->sample_rate = lpcm_freq_tab[freq];
st->codec->channels = 1 + (b1 & 7);
st->codec->bits_per_coded_sample = 16 + ((b1 >> 6) & 3) * 4;
st->codec->bit_rate = st->codec->channels *
st->codec->sample_rate *
st->codec->bits_per_coded_sample;
if (st->codec->bits_per_coded_sample == 16)
st->codec->codec_id = CODEC_ID_PCM_S16BE;
else if (st->codec->bits_per_coded_sample == 28)
return AVERROR(EINVAL);
}
av_new_packet(pkt, len);
get_buffer(s->pb, pkt->data, pkt->size);
pkt->pts = pts;
pkt->dts = dts;
pkt->stream_index = st->index;
#if 0
av_log(s, AV_LOG_DEBUG, "%d: pts=%0.3f dts=%0.3f size=%d\n",
pkt->stream_index, pkt->pts / 90000.0, pkt->dts / 90000.0, pkt->size);
#endif
return 0;
} | ['static int mpegps_read_packet(AVFormatContext *s,\n AVPacket *pkt)\n{\n MpegDemuxContext *m = s->priv_data;\n AVStream *st;\n int len, startcode, i, es_type;\n enum CodecID codec_id = CODEC_ID_NONE;\n enum CodecType type;\n int64_t pts, dts, dummy_pos;\n uint8_t dvdaudio_substream_type;\n redo:\n len = mpegps_read_pes_header(s, &dummy_pos, &startcode, &pts, &dts);\n if (len < 0)\n return len;\n if(startcode == 0x1bd) {\n dvdaudio_substream_type = get_byte(s->pb);\n url_fskip(s->pb, 3);\n len -= 4;\n }\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->id == startcode)\n goto found;\n }\n es_type = m->psm_es_type[startcode & 0xff];\n if(es_type > 0 && es_type != STREAM_TYPE_PRIVATE_DATA){\n if(es_type == STREAM_TYPE_VIDEO_MPEG1){\n codec_id = CODEC_ID_MPEG2VIDEO;\n type = CODEC_TYPE_VIDEO;\n } else if(es_type == STREAM_TYPE_VIDEO_MPEG2){\n codec_id = CODEC_ID_MPEG2VIDEO;\n type = CODEC_TYPE_VIDEO;\n } else if(es_type == STREAM_TYPE_AUDIO_MPEG1 ||\n es_type == STREAM_TYPE_AUDIO_MPEG2){\n codec_id = CODEC_ID_MP3;\n type = CODEC_TYPE_AUDIO;\n } else if(es_type == STREAM_TYPE_AUDIO_AAC){\n codec_id = CODEC_ID_AAC;\n type = CODEC_TYPE_AUDIO;\n } else if(es_type == STREAM_TYPE_VIDEO_MPEG4){\n codec_id = CODEC_ID_MPEG4;\n type = CODEC_TYPE_VIDEO;\n } else if(es_type == STREAM_TYPE_VIDEO_H264){\n codec_id = CODEC_ID_H264;\n type = CODEC_TYPE_VIDEO;\n } else if(es_type == STREAM_TYPE_AUDIO_AC3){\n codec_id = CODEC_ID_AC3;\n type = CODEC_TYPE_AUDIO;\n } else {\n goto skip;\n }\n } else if (startcode >= 0x1e0 && startcode <= 0x1ef) {\n static const unsigned char avs_seqh[4] = { 0, 0, 1, 0xb0 };\n unsigned char buf[8];\n get_buffer(s->pb, buf, 8);\n url_fseek(s->pb, -8, SEEK_CUR);\n if(!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1))\n codec_id = CODEC_ID_CAVS;\n else\n codec_id = CODEC_ID_PROBE;\n type = CODEC_TYPE_VIDEO;\n } else if (startcode >= 0x1c0 && startcode <= 0x1df) {\n type = CODEC_TYPE_AUDIO;\n codec_id = m->sofdec > 0 ? CODEC_ID_ADPCM_ADX : CODEC_ID_MP2;\n } else if (startcode >= 0x80 && startcode <= 0x87) {\n type = CODEC_TYPE_AUDIO;\n codec_id = CODEC_ID_AC3;\n } else if ( ( startcode >= 0x88 && startcode <= 0x8f)\n ||( startcode >= 0x98 && startcode <= 0x9f)) {\n type = CODEC_TYPE_AUDIO;\n codec_id = CODEC_ID_DTS;\n } else if (startcode >= 0xa0 && startcode <= 0xaf) {\n type = CODEC_TYPE_AUDIO;\n codec_id = CODEC_ID_PCM_DVD;\n } else if (startcode >= 0xb0 && startcode <= 0xbf) {\n type = CODEC_TYPE_AUDIO;\n codec_id = CODEC_ID_MLP;\n } else if (startcode >= 0xc0 && startcode <= 0xcf) {\n type = CODEC_TYPE_AUDIO;\n codec_id = CODEC_ID_AC3;\n } else if (startcode >= 0x20 && startcode <= 0x3f) {\n type = CODEC_TYPE_SUBTITLE;\n codec_id = CODEC_ID_DVD_SUBTITLE;\n } else if (startcode >= 0xfd55 && startcode <= 0xfd5f) {\n type = CODEC_TYPE_VIDEO;\n codec_id = CODEC_ID_VC1;\n } else if (startcode == 0x1bd) {\n type = CODEC_TYPE_AUDIO;\n switch(dvdaudio_substream_type & 0xe0) {\n case 0xa0: codec_id = CODEC_ID_PCM_DVD;\n break;\n case 0x80: if((dvdaudio_substream_type & 0xf8) == 0x88)\n codec_id = CODEC_ID_DTS;\n else codec_id = CODEC_ID_AC3;\n break;\n default: av_log(s, AV_LOG_ERROR, "Unknown 0x1bd sub-stream\\n");\n goto skip;\n }\n } else {\n skip:\n url_fskip(s->pb, len);\n goto redo;\n }\n st = av_new_stream(s, startcode);\n if (!st)\n goto skip;\n st->codec->codec_type = type;\n st->codec->codec_id = codec_id;\n if (codec_id != CODEC_ID_PCM_S16BE)\n st->need_parsing = AVSTREAM_PARSE_FULL;\n found:\n if(st->discard >= AVDISCARD_ALL)\n goto skip;\n if ((startcode >= 0xa0 && startcode <= 0xaf) ||\n (startcode == 0x1bd && ((dvdaudio_substream_type & 0xe0) == 0xa0))) {\n int b1, freq;\n if (len <= 3)\n goto skip;\n get_byte(s->pb);\n b1 = get_byte(s->pb);\n get_byte(s->pb);\n len -= 3;\n freq = (b1 >> 4) & 3;\n st->codec->sample_rate = lpcm_freq_tab[freq];\n st->codec->channels = 1 + (b1 & 7);\n st->codec->bits_per_coded_sample = 16 + ((b1 >> 6) & 3) * 4;\n st->codec->bit_rate = st->codec->channels *\n st->codec->sample_rate *\n st->codec->bits_per_coded_sample;\n if (st->codec->bits_per_coded_sample == 16)\n st->codec->codec_id = CODEC_ID_PCM_S16BE;\n else if (st->codec->bits_per_coded_sample == 28)\n return AVERROR(EINVAL);\n }\n av_new_packet(pkt, len);\n get_buffer(s->pb, pkt->data, pkt->size);\n pkt->pts = pts;\n pkt->dts = dts;\n pkt->stream_index = st->index;\n#if 0\n av_log(s, AV_LOG_DEBUG, "%d: pts=%0.3f dts=%0.3f size=%d\\n",\n pkt->stream_index, pkt->pts / 90000.0, pkt->dts / 90000.0, pkt->size);\n#endif\n return 0;\n}'] |
16,631 | 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 RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,\n BN_GENCB *cb)\n{\n int ok = 0;\n BIGNUM *Xp = NULL, *Xq = NULL;\n BN_CTX *ctx = NULL;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto error;\n BN_CTX_start(ctx);\n Xp = BN_CTX_get(ctx);\n Xq = BN_CTX_get(ctx);\n if (Xq == NULL)\n goto error;\n if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))\n goto error;\n rsa->p = BN_new();\n rsa->q = BN_new();\n if (rsa->p == NULL || rsa->q == NULL)\n goto error;\n if (!BN_X931_generate_prime_ex(rsa->p, NULL, NULL, NULL, NULL, Xp,\n e, ctx, cb))\n goto error;\n if (!BN_X931_generate_prime_ex(rsa->q, NULL, NULL, NULL, NULL, Xq,\n e, ctx, cb))\n goto error;\n if (!RSA_X931_derive_ex(rsa, NULL, NULL, NULL, NULL,\n NULL, NULL, NULL, NULL, NULL, NULL, e, cb))\n goto error;\n ok = 1;\n error:\n if (ctx)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n if (ok)\n return 1;\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_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx)\n{\n BIGNUM *t;\n int i;\n if ((nbits < 1024) || (nbits & 0xff))\n return 0;\n nbits >>= 1;\n if (!BN_priv_rand(Xp, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY))\n goto err;\n BN_CTX_start(ctx);\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n for (i = 0; i < 1000; i++) {\n if (!BN_priv_rand(Xq, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY))\n goto err;\n BN_sub(t, Xp, Xq);\n if (BN_num_bits(t) > (nbits - 100))\n break;\n }\n BN_CTX_end(ctx);\n if (i < 1000)\n return 1;\n return 0;\n err:\n BN_CTX_end(ctx);\n return 0;\n}', 'int BN_priv_rand(BIGNUM *rnd, int bits, int top, int bottom)\n{\n return bnrand(PRIVATE, 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}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,632 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L139 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | ['static int decode_subframe_lpc(ShortenContext *s, int command, int channel,\n int residual_size, int32_t coffset)\n{\n int pred_order, sum, qshift, init_sum, i, j;\n const int *coeffs;\n if (command == FN_QLPC) {\n pred_order = get_ur_golomb_shorten(&s->bc, LPCQSIZE);\n if (pred_order > s->nwrap) {\n av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\\n",\n pred_order);\n return AVERROR(EINVAL);\n }\n for (i = 0; i < pred_order; i++)\n s->coeffs[i] = get_sr_golomb_shorten(&s->bc, LPCQUANT);\n coeffs = s->coeffs;\n qshift = LPCQUANT;\n } else {\n pred_order = command;\n if (pred_order >= FF_ARRAY_ELEMS(fixed_coeffs)) {\n av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\\n",\n pred_order);\n return AVERROR_INVALIDDATA;\n }\n coeffs = fixed_coeffs[pred_order];\n qshift = 0;\n }\n if (command == FN_QLPC && coffset)\n for (i = -pred_order; i < 0; i++)\n s->decoded[channel][i] -= coffset;\n init_sum = pred_order ? (command == FN_QLPC ? s->lpcqoffset : 0) : coffset;\n for (i = 0; i < s->blocksize; i++) {\n sum = init_sum;\n for (j = 0; j < pred_order; j++)\n sum += coeffs[j] * s->decoded[channel][i - j - 1];\n s->decoded[channel][i] = get_sr_golomb_shorten(&s->bc, residual_size) +\n (sum >> qshift);\n }\n if (command == FN_QLPC && coffset)\n for (i = 0; i < s->blocksize; i++)\n s->decoded[channel][i] += coffset;\n return 0;\n}', 'static inline unsigned int get_ur_golomb_shorten(BitstreamContext *bc, int k)\n{\n return get_ur_golomb_jpegls(bc, k, INT_MAX, 0);\n}', 'static inline int get_ur_golomb_jpegls(BitstreamContext *bc, int k, int limit,\n int esc_len)\n{\n unsigned int buf;\n int log;\n buf = bitstream_peek(bc, 32);\n log = av_log2(buf);\n if (log - k >= 1 && 32 - log < limit) {\n buf >>= log - k;\n buf += (30 - log) << k;\n bitstream_skip(bc, 32 + k - log);\n return buf;\n } else {\n int i;\n for (i = 0; i < limit && bitstream_peek(bc, 1) == 0 && bitstream_bits_left(bc) > 0; i++)\n bitstream_skip(bc, 1);\n bitstream_skip(bc, 1);\n if (i < limit - 1) {\n if (k) {\n buf = bitstream_read(bc, k);\n } else {\n buf = 0;\n }\n return buf + (i << k);\n } else if (i == limit - 1) {\n buf = bitstream_read(bc, esc_len);\n return buf + 1;\n } else\n return -1;\n }\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
16,633 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L709 | int BN_cmp(const BIGNUM *a, const BIGNUM *b)
{
int i;
int gt,lt;
BN_ULONG t1,t2;
if ((a == NULL) || (b == NULL))
{
if (a != NULL)
return(-1);
else if (b != NULL)
return(1);
else
return(0);
}
bn_check_top(a);
bn_check_top(b);
if (a->neg != b->neg)
{
if (a->neg)
return(-1);
else return(1);
}
if (a->neg == 0)
{ gt=1; lt= -1; }
else { gt= -1; lt=1; }
if (a->top > b->top) return(gt);
if (a->top < b->top) return(lt);
for (i=a->top-1; i>=0; i--)
{
t1=a->d[i];
t2=b->d[i];
if (t1 > t2) return(gt);
if (t1 < t2) return(lt);
}
return(0);
} | ['int BN_gcd(BIGNUM *r, const BIGNUM *in_a, const BIGNUM *in_b, BN_CTX *ctx)\n\t{\n\tBIGNUM *a,*b,*t;\n\tint ret=0;\n\tbn_check_top(in_a);\n\tbn_check_top(in_b);\n\tBN_CTX_start(ctx);\n\ta = BN_CTX_get(ctx);\n\tb = BN_CTX_get(ctx);\n\tif (a == NULL || b == NULL) goto err;\n\tif (BN_copy(a,in_a) == NULL) goto err;\n\tif (BN_copy(b,in_b) == NULL) goto err;\n\ta->neg = 0;\n\tb->neg = 0;\n\tif (BN_cmp(a,b) < 0) { t=a; a=b; b=t; }\n\tt=euclid(a,b);\n\tif (t == NULL) goto err;\n\tif (BN_copy(r,t) == NULL) goto err;\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\tbn_check_top(r);\n\treturn(ret);\n\t}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n\t{\n\tint i;\n\tBN_ULONG *A;\n\tconst BN_ULONG *B;\n\tbn_check_top(b);\n\tif (a == b) return(a);\n\tif (bn_wexpand(a,b->top) == NULL) return(NULL);\n#if 1\n\tA=a->d;\n\tB=b->d;\n\tfor (i=b->top>>2; i>0; i--,A+=4,B+=4)\n\t\t{\n\t\tBN_ULONG a0,a1,a2,a3;\n\t\ta0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];\n\t\tA[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;\n\t\t}\n\tswitch (b->top&3)\n\t\t{\n\t\tcase 3: A[2]=B[2];\n\t\tcase 2: A[1]=B[1];\n\t\tcase 1: A[0]=B[0];\n\t\tcase 0: ;\n\t\t}\n#else\n\tmemcpy(a->d,b->d,sizeof(b->d[0])*b->top);\n#endif\n\ta->top=b->top;\n\ta->neg=b->neg;\n\tbn_check_top(a);\n\treturn(a);\n\t}', 'int BN_cmp(const BIGNUM *a, const BIGNUM *b)\n\t{\n\tint i;\n\tint gt,lt;\n\tBN_ULONG t1,t2;\n\tif ((a == NULL) || (b == NULL))\n\t\t{\n\t\tif (a != NULL)\n\t\t\treturn(-1);\n\t\telse if (b != NULL)\n\t\t\treturn(1);\n\t\telse\n\t\t\treturn(0);\n\t\t}\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (a->neg != b->neg)\n\t\t{\n\t\tif (a->neg)\n\t\t\treturn(-1);\n\t\telse\treturn(1);\n\t\t}\n\tif (a->neg == 0)\n\t\t{ gt=1; lt= -1; }\n\telse\t{ gt= -1; lt=1; }\n\tif (a->top > b->top) return(gt);\n\tif (a->top < b->top) return(lt);\n\tfor (i=a->top-1; i>=0; i--)\n\t\t{\n\t\tt1=a->d[i];\n\t\tt2=b->d[i];\n\t\tif (t1 > t2) return(gt);\n\t\tif (t1 < t2) return(lt);\n\t\t}\n\treturn(0);\n\t}'] |
16,634 | 1 | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_mul.c/#L1018 | void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)
{
BN_ULONG *rr;
if (na < nb) {
int itmp;
BN_ULONG *ltmp;
itmp = na;
na = nb;
nb = itmp;
ltmp = a;
a = b;
b = ltmp;
}
rr = &(r[na]);
if (nb <= 0) {
(void)bn_mul_words(r, a, na, 0);
return;
} else
rr[0] = bn_mul_words(r, a, na, b[0]);
for (;;) {
if (--nb <= 0)
return;
rr[1] = bn_mul_add_words(&(r[1]), a, na, b[1]);
if (--nb <= 0)
return;
rr[2] = bn_mul_add_words(&(r[2]), a, na, b[2]);
if (--nb <= 0)
return;
rr[3] = bn_mul_add_words(&(r[3]), a, na, b[3]);
if (--nb <= 0)
return;
rr[4] = bn_mul_add_words(&(r[4]), a, na, b[4]);
rr += 4;
r += 4;
b += 4;
}
} | ['int test_div_recp(BIO *bp, BN_CTX *ctx)\n{\n BIGNUM *a, *b, *c, *d, *e;\n BN_RECP_CTX *recp;\n int i;\n recp = BN_RECP_CTX_new();\n a = BN_new();\n b = BN_new();\n c = BN_new();\n d = BN_new();\n e = BN_new();\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_RECP_CTX_set(recp, b, ctx);\n BN_div_recp(d, c, a, recp, 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, "Reciprocal division test failed!\\n");\n fprintf(stderr, "a=");\n BN_print_fp(stderr, a);\n fprintf(stderr, "\\nb=");\n BN_print_fp(stderr, b);\n fprintf(stderr, "\\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 BN_RECP_CTX_free(recp);\n return (1);\n}', 'int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!BN_copy(&(recp->N), d))\n return 0;\n BN_zero(&(recp->Nr));\n recp->num_bits = BN_num_bits(d);\n recp->shift = 0;\n return (1);\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n 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}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int i, j, ret = 0;\n BIGNUM *a, *b, *d, *r;\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (dv != NULL)\n d = dv;\n else\n d = BN_CTX_get(ctx);\n if (rem != NULL)\n r = rem;\n else\n r = BN_CTX_get(ctx);\n if (a == NULL || b == NULL || d == NULL || r == NULL)\n goto err;\n if (BN_ucmp(m, &(recp->N)) < 0) {\n BN_zero(d);\n if (!BN_copy(r, m)) {\n BN_CTX_end(ctx);\n return 0;\n }\n BN_CTX_end(ctx);\n return (1);\n }\n i = BN_num_bits(m);\n j = recp->num_bits << 1;\n if (j > i)\n i = j;\n if (i != recp->shift)\n recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);\n if (recp->shift == -1)\n goto err;\n if (!BN_rshift(a, m, recp->num_bits))\n goto err;\n if (!BN_mul(b, a, &(recp->Nr), ctx))\n goto err;\n if (!BN_rshift(d, b, i - recp->num_bits))\n goto err;\n d->neg = 0;\n if (!BN_mul(b, &(recp->N), d, ctx))\n goto err;\n if (!BN_usub(r, m, b))\n goto err;\n r->neg = 0;\n j = 0;\n while (BN_ucmp(r, &(recp->N)) >= 0) {\n if (j++ > 2) {\n BNerr(BN_F_BN_DIV_RECP, BN_R_BAD_RECIPROCAL);\n goto err;\n }\n if (!BN_usub(r, r, &(recp->N)))\n goto err;\n if (!BN_add_word(d, 1))\n goto err;\n }\n r->neg = BN_is_zero(r) ? 0 : m->neg;\n d->neg = m->neg ^ recp->N.neg;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(dv);\n bn_check_top(rem);\n return (ret);\n}', 'int BN_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 && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return (ret);\n}', 'void bn_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}'] |
16,635 | 0 | https://github.com/openssl/openssl/blob/2ce90b9b7481381dff584726d84345a0260ca4d1/crypto/bn/bn_mul.c/#L1035 | int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
{
int ret=0;
int top,al,bl;
BIGNUM *rr;
#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
int i;
#endif
#ifdef BN_RECURSION
BIGNUM *t=NULL;
int j=0,k;
#endif
#ifdef BN_COUNT
fprintf(stderr,"BN_mul %d * %d\n",a->top,b->top);
#endif
bn_check_top(a);
bn_check_top(b);
bn_check_top(r);
al=a->top;
bl=b->top;
if ((al == 0) || (bl == 0))
{
if (!BN_zero(r)) goto err;
return(1);
}
top=al+bl;
BN_CTX_start(ctx);
if ((r == a) || (r == b))
{
if ((rr = BN_CTX_get(ctx)) == NULL) goto err;
}
else
rr = r;
rr->neg=a->neg^b->neg;
#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
i = al-bl;
#endif
#ifdef BN_MUL_COMBA
if (i == 0)
{
# if 0
if (al == 4)
{
if (bn_wexpand(rr,8) == NULL) goto err;
rr->top=8;
bn_mul_comba4(rr->d,a->d,b->d);
goto end;
}
# endif
if (al == 8)
{
if (bn_wexpand(rr,16) == NULL) goto err;
rr->top=16;
bn_mul_comba8(rr->d,a->d,b->d);
goto end;
}
}
#endif
#ifdef BN_RECURSION
if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))
{
if (i >= -1 && i <= 1)
{
int sav_j =0;
if (i >= 0)
{
j = BN_num_bits_word((BN_ULONG)al);
}
if (i == -1)
{
j = BN_num_bits_word((BN_ULONG)bl);
}
sav_j = j;
j = 1<<(j-1);
assert(j <= al || j <= bl);
k = j+j;
t = BN_CTX_get(ctx);
if (al > j || bl > j)
{
bn_wexpand(t,k*4);
bn_wexpand(rr,k*4);
bn_mul_part_recursive(rr->d,a->d,b->d,
j,al-j,bl-j,t->d);
}
else
{
bn_wexpand(t,k*2);
bn_wexpand(rr,k*2);
bn_mul_recursive(rr->d,a->d,b->d,
j,al-j,bl-j,t->d);
}
rr->top=top;
goto end;
}
#if 0
if (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))
{
BIGNUM *tmp_bn = (BIGNUM *)b;
if (bn_wexpand(tmp_bn,al) == NULL) goto err;
tmp_bn->d[bl]=0;
bl++;
i--;
}
else if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))
{
BIGNUM *tmp_bn = (BIGNUM *)a;
if (bn_wexpand(tmp_bn,bl) == NULL) goto err;
tmp_bn->d[al]=0;
al++;
i++;
}
if (i == 0)
{
j=BN_num_bits_word((BN_ULONG)al);
j=1<<(j-1);
k=j+j;
t = BN_CTX_get(ctx);
if (al == j)
{
if (bn_wexpand(t,k*2) == NULL) goto err;
if (bn_wexpand(rr,k*2) == NULL) goto err;
bn_mul_recursive(rr->d,a->d,b->d,al,t->d);
}
else
{
if (bn_wexpand(t,k*4) == NULL) goto err;
if (bn_wexpand(rr,k*4) == NULL) goto err;
bn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);
}
rr->top=top;
goto end;
}
#endif
}
#endif
if (bn_wexpand(rr,top) == NULL) goto err;
rr->top=top;
bn_mul_normal(rr->d,a->d,al,b->d,bl);
#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
end:
#endif
bn_fix_top(rr);
if (r != rr) BN_copy(r,rr);
ret=1;
err:
BN_CTX_end(ctx);
return(ret);
} | ['int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint ret=0;\n\tint top,al,bl;\n\tBIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tint i;\n#endif\n#ifdef BN_RECURSION\n\tBIGNUM *t=NULL;\n\tint j=0,k;\n#endif\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tif (!BN_zero(r)) goto err;\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == b))\n\t\t{\n\t\tif ((rr = BN_CTX_get(ctx)) == NULL) goto err;\n\t\t}\n\telse\n\t\trr = r;\n\trr->neg=a->neg^b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\ti = al-bl;\n#endif\n#ifdef BN_MUL_COMBA\n\tif (i == 0)\n\t\t{\n# if 0\n\t\tif (al == 4)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,8) == NULL) goto err;\n\t\t\trr->top=8;\n\t\t\tbn_mul_comba4(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n# endif\n\t\tif (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) goto err;\n\t\t\trr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\tif ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (i >= -1 && i <= 1)\n\t\t\t{\n\t\t\tint sav_j =0;\n\t\t\tif (i >= 0)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)al);\n\t\t\t\t}\n\t\t\tif (i == -1)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)bl);\n\t\t\t\t}\n\t\t\tsav_j = j;\n\t\t\tj = 1<<(j-1);\n\t\t\tassert(j <= al || j <= bl);\n\t\t\tk = j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al > j || bl > j)\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*4);\n\t\t\t\tbn_wexpand(rr,k*4);\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*2);\n\t\t\t\tbn_wexpand(rr,k*2);\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\tif (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)b;\n\t\t\tif (bn_wexpand(tmp_bn,al) == NULL) goto err;\n\t\t\ttmp_bn->d[bl]=0;\n\t\t\tbl++;\n\t\t\ti--;\n\t\t\t}\n\t\telse if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)a;\n\t\t\tif (bn_wexpand(tmp_bn,bl) == NULL) goto err;\n\t\t\ttmp_bn->d[al]=0;\n\t\t\tal++;\n\t\t\ti++;\n\t\t\t}\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*2) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*2) == NULL) goto err;\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*4) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*4) == NULL) goto err;\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#endif\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) goto err;\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_fix_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tif (ctx->depth < BN_CTX_NUM_POS)\n\t\tctx->pos[ctx->depth] = ctx->tos;\n\tctx->depth++;\n\t}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n\t{\n\tif (ctx->depth > BN_CTX_NUM_POS || ctx->tos >= BN_CTX_NUM)\n\t\t{\n\t\tif (!ctx->too_many)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\t\tctx->too_many = 1;\n\t\t\t}\n\t\treturn NULL;\n\t\t}\n\treturn (&(ctx->bn[ctx->tos++]));\n\t}'] |
16,636 | 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;
} | ["char *BN_bn2dec(const BIGNUM *a)\n{\n int i = 0, num, ok = 0, n, tbytes;\n char *buf = NULL;\n char *p;\n BIGNUM *t = NULL;\n BN_ULONG *bn_data = NULL, *lp;\n int bn_data_num;\n i = BN_num_bits(a) * 3;\n num = (i / 10 + i / 1000 + 1) + 1;\n tbytes = num + 3;\n bn_data_num = num / BN_DEC_NUM + 1;\n bn_data = OPENSSL_malloc(bn_data_num * sizeof(BN_ULONG));\n buf = OPENSSL_malloc(tbytes);\n if (buf == NULL || bn_data == NULL) {\n BNerr(BN_F_BN_BN2DEC, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if ((t = BN_dup(a)) == NULL)\n goto err;\n p = buf;\n lp = bn_data;\n if (BN_is_zero(t)) {\n *p++ = '0';\n *p++ = '\\0';\n } else {\n if (BN_is_negative(t))\n *p++ = '-';\n while (!BN_is_zero(t)) {\n if (lp - bn_data >= bn_data_num)\n goto err;\n *lp = BN_div_word(t, BN_DEC_CONV);\n if (*lp == (BN_ULONG)-1)\n goto err;\n lp++;\n }\n lp--;\n n = BIO_snprintf(p, tbytes - (size_t)(p - buf), BN_DEC_FMT1, *lp);\n if (n < 0)\n goto err;\n p += n;\n while (lp != bn_data) {\n lp--;\n n = BIO_snprintf(p, tbytes - (size_t)(p - buf), BN_DEC_FMT2, *lp);\n if (n < 0)\n goto err;\n p += n;\n }\n }\n ok = 1;\n err:\n OPENSSL_free(bn_data);\n BN_free(t);\n if (ok)\n return buf;\n OPENSSL_free(buf);\n return NULL;\n}", 'BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w)\n{\n BN_ULONG ret = 0;\n int i, j;\n bn_check_top(a);\n w &= BN_MASK2;\n if (!w)\n return (BN_ULONG)-1;\n if (a->top == 0)\n return 0;\n j = BN_BITS2 - BN_num_bits_word(w);\n w <<= j;\n if (!BN_lshift(a, a, j))\n return (BN_ULONG)-1;\n for (i = a->top - 1; i >= 0; i--) {\n BN_ULONG l, d;\n l = a->d[i];\n d = bn_div_words(ret, l, w);\n ret = (l - ((d * w) & BN_MASK2)) & BN_MASK2;\n a->d[i] = d;\n }\n if ((a->top > 0) && (a->d[a->top - 1] == 0))\n a->top--;\n ret >>= j;\n if (!a->top)\n a->neg = 0;\n bn_check_top(a);\n return ret;\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return 0;\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,637 | 0 | https://github.com/libav/libav/blob/53c20f17c78d1d8a0fc2505868f201e69ff59cc5/libavcodec/vp8dsp.c/#L106 | static void vp8_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
{
int i, t0, t1, t2, t3;
int16_t tmp[16];
for (i = 0; i < 4; i++) {
t0 = block[0 * 4 + i] + block[2 * 4 + i];
t1 = block[0 * 4 + i] - block[2 * 4 + i];
t2 = MUL_35468(block[1 * 4 + i]) - MUL_20091(block[3 * 4 + i]);
t3 = MUL_20091(block[1 * 4 + i]) + MUL_35468(block[3 * 4 + i]);
block[0 * 4 + i] = 0;
block[1 * 4 + i] = 0;
block[2 * 4 + i] = 0;
block[3 * 4 + i] = 0;
tmp[i * 4 + 0] = t0 + t3;
tmp[i * 4 + 1] = t1 + t2;
tmp[i * 4 + 2] = t1 - t2;
tmp[i * 4 + 3] = t0 - t3;
}
for (i = 0; i < 4; i++) {
t0 = tmp[0 * 4 + i] + tmp[2 * 4 + i];
t1 = tmp[0 * 4 + i] - tmp[2 * 4 + i];
t2 = MUL_35468(tmp[1 * 4 + i]) - MUL_20091(tmp[3 * 4 + i]);
t3 = MUL_20091(tmp[1 * 4 + i]) + MUL_35468(tmp[3 * 4 + i]);
dst[0] = av_clip_uint8(dst[0] + ((t0 + t3 + 4) >> 3));
dst[1] = av_clip_uint8(dst[1] + ((t1 + t2 + 4) >> 3));
dst[2] = av_clip_uint8(dst[2] + ((t1 - t2 + 4) >> 3));
dst[3] = av_clip_uint8(dst[3] + ((t0 - t3 + 4) >> 3));
dst += stride;
}
} | ['static void vp8_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)\n{\n int i, t0, t1, t2, t3;\n int16_t tmp[16];\n for (i = 0; i < 4; i++) {\n t0 = block[0 * 4 + i] + block[2 * 4 + i];\n t1 = block[0 * 4 + i] - block[2 * 4 + i];\n t2 = MUL_35468(block[1 * 4 + i]) - MUL_20091(block[3 * 4 + i]);\n t3 = MUL_20091(block[1 * 4 + i]) + MUL_35468(block[3 * 4 + i]);\n block[0 * 4 + i] = 0;\n block[1 * 4 + i] = 0;\n block[2 * 4 + i] = 0;\n block[3 * 4 + i] = 0;\n tmp[i * 4 + 0] = t0 + t3;\n tmp[i * 4 + 1] = t1 + t2;\n tmp[i * 4 + 2] = t1 - t2;\n tmp[i * 4 + 3] = t0 - t3;\n }\n for (i = 0; i < 4; i++) {\n t0 = tmp[0 * 4 + i] + tmp[2 * 4 + i];\n t1 = tmp[0 * 4 + i] - tmp[2 * 4 + i];\n t2 = MUL_35468(tmp[1 * 4 + i]) - MUL_20091(tmp[3 * 4 + i]);\n t3 = MUL_20091(tmp[1 * 4 + i]) + MUL_35468(tmp[3 * 4 + i]);\n dst[0] = av_clip_uint8(dst[0] + ((t0 + t3 + 4) >> 3));\n dst[1] = av_clip_uint8(dst[1] + ((t1 + t2 + 4) >> 3));\n dst[2] = av_clip_uint8(dst[2] + ((t1 - t2 + 4) >> 3));\n dst[3] = av_clip_uint8(dst[3] + ((t0 - t3 + 4) >> 3));\n dst += stride;\n }\n}'] |
16,638 | 0 | https://github.com/libav/libav/blob/47399ccdfd93d337c96c76fbf591f0e3637131ef/libavcodec/bitstream.h/#L236 | static inline void skip_remaining(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
bc->bits >>= n;
#else
bc->bits <<= n;
#endif
bc->bits_left -= n;
} | ['static int\nflac_header (AVFormatContext * s, int idx)\n{\n struct ogg *ogg = s->priv_data;\n struct ogg_stream *os = ogg->streams + idx;\n AVStream *st = s->streams[idx];\n BitstreamContext bc;\n int mdt;\n if (os->buf[os->pstart] == 0xff)\n return 0;\n bitstream_init8(&bc, os->buf + os->pstart, os->psize);\n bitstream_skip(&bc, 1);\n mdt = bitstream_read(&bc, 7);\n if (mdt == OGG_FLAC_METADATA_TYPE_STREAMINFO) {\n uint8_t *streaminfo_start = os->buf + os->pstart + 5 + 4 + 4 + 4;\n uint32_t samplerate;\n bitstream_skip(&bc, 4 * 8);\n if (bitstream_read(&bc, 8) != 1)\n return -1;\n bitstream_skip(&bc, 8 + 16);\n bitstream_skip(&bc, 4 * 8);\n if (bitstream_read(&bc, 32) != FLAC_STREAMINFO_SIZE)\n return -1;\n st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;\n st->codecpar->codec_id = AV_CODEC_ID_FLAC;\n st->need_parsing = AVSTREAM_PARSE_HEADERS;\n st->codecpar->extradata =\n av_malloc(FLAC_STREAMINFO_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);\n memcpy(st->codecpar->extradata, streaminfo_start, FLAC_STREAMINFO_SIZE);\n st->codecpar->extradata_size = FLAC_STREAMINFO_SIZE;\n samplerate = AV_RB24(st->codecpar->extradata + 10) >> 4;\n if (!samplerate)\n return AVERROR_INVALIDDATA;\n avpriv_set_pts_info(st, 64, 1, samplerate);\n } else if (mdt == FLAC_METADATA_TYPE_VORBIS_COMMENT) {\n ff_vorbis_stream_comment(s, st, os->buf + os->pstart + 4, os->psize - 4);\n }\n return 1;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline void bitstream_skip(BitstreamContext *bc, unsigned n)\n{\n if (n < bc->bits_left)\n skip_remaining(bc, n);\n else {\n n -= bc->bits_left;\n bc->bits = 0;\n bc->bits_left = 0;\n if (n >= 64) {\n unsigned skip = n / 8;\n n -= skip * 8;\n bc->ptr += skip;\n }\n refill_64(bc);\n if (n)\n skip_remaining(bc, n);\n }\n}', 'static inline void skip_remaining(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n bc->bits >>= n;\n#else\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n}'] |
16,639 | 0 | https://github.com/openssl/openssl/blob/95b2ebdf99a5fbf9e1f3f71a5ebd9728d57addf5/ssl/ssl_lib.c/#L3644 | int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen)
{
EVP_MD_CTX *ctx = NULL;
EVP_MD_CTX *hdgst = s->s3->handshake_dgst;
int ret = EVP_MD_CTX_size(hdgst);
if (ret < 0 || ret > outlen) {
ret = 0;
goto err;
}
ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
ret = 0;
goto err;
}
if (!EVP_MD_CTX_copy_ex(ctx, hdgst)
|| EVP_DigestFinal_ex(ctx, out, NULL) <= 0)
ret = 0;
err:
EVP_MD_CTX_free(ctx);
return ret;
} | ['int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen)\n{\n EVP_MD_CTX *ctx = NULL;\n EVP_MD_CTX *hdgst = s->s3->handshake_dgst;\n int ret = EVP_MD_CTX_size(hdgst);\n if (ret < 0 || ret > outlen) {\n ret = 0;\n goto err;\n }\n ctx = EVP_MD_CTX_new();\n if (ctx == NULL) {\n ret = 0;\n goto err;\n }\n if (!EVP_MD_CTX_copy_ex(ctx, hdgst)\n || EVP_DigestFinal_ex(ctx, out, NULL) <= 0)\n ret = 0;\n err:\n EVP_MD_CTX_free(ctx);\n return ret;\n}', 'const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)\n{\n if (!ctx)\n return NULL;\n return ctx->digest;\n}', 'int EVP_MD_size(const EVP_MD *md)\n{\n if (!md) {\n EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);\n return -1;\n }\n return md->md_size;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (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 EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)\n{\n unsigned char *tmp_buf;\n if ((in == NULL) || (in->digest == NULL)) {\n EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, EVP_R_INPUT_NOT_INITIALIZED);\n return 0;\n }\n#ifndef OPENSSL_NO_ENGINE\n if (in->engine && !ENGINE_init(in->engine)) {\n EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);\n return 0;\n }\n#endif\n if (out->digest == in->digest) {\n tmp_buf = out->md_data;\n EVP_MD_CTX_set_flags(out, EVP_MD_CTX_FLAG_REUSE);\n } else\n tmp_buf = NULL;\n EVP_MD_CTX_reset(out);\n memcpy(out, in, sizeof(*out));\n out->md_data = NULL;\n out->pctx = NULL;\n if (in->md_data && out->digest->ctx_size) {\n if (tmp_buf)\n out->md_data = tmp_buf;\n else {\n out->md_data = OPENSSL_malloc(out->digest->ctx_size);\n if (out->md_data == NULL) {\n EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n }\n memcpy(out->md_data, in->md_data, out->digest->ctx_size);\n }\n out->update = in->update;\n if (in->pctx) {\n out->pctx = EVP_PKEY_CTX_dup(in->pctx);\n if (!out->pctx) {\n EVP_MD_CTX_reset(out);\n return 0;\n }\n }\n if (out->digest->copy)\n return out->digest->copy(out, in);\n return 1;\n}', 'int ENGINE_init(ENGINE *e)\n{\n int ret;\n if (e == NULL) {\n ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_PASSED_NULL_PARAMETER);\n return 0;\n }\n CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);\n ret = engine_unlocked_init(e);\n CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);\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}', 'int engine_unlocked_init(ENGINE *e)\n{\n int to_return = 1;\n if ((e->funct_ref == 0) && e->init)\n to_return = e->init(e);\n if (to_return) {\n e->struct_ref++;\n e->funct_ref++;\n engine_ref_debug(e, 0, 1);\n engine_ref_debug(e, 1, 1);\n }\n return to_return;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n EVP_MD_CTX_reset(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
16,640 | 0 | https://github.com/openssl/openssl/blob/9d5db9c9ab9b9f2f2a5ce9795405e8334cd2ce66/crypto/asn1/asn1_lib.c/#L131 | static int asn1_get_length(const unsigned char **pp, int *inf, long *rl,
long max)
{
const unsigned char *p = *pp;
unsigned long ret = 0;
int i;
if (max-- < 1)
return 0;
if (*p == 0x80) {
*inf = 1;
p++;
} else {
*inf = 0;
i = *p & 0x7f;
if (*p++ & 0x80) {
if (max < i + 1)
return 0;
while (i > 0 && *p == 0) {
p++;
i--;
}
if (i > (int)sizeof(long))
return 0;
while (i > 0) {
ret <<= 8;
ret |= *p++;
i--;
}
if (ret > LONG_MAX)
return 0;
} else
ret = i;
}
*pp = p;
*rl = (long)ret;
return 1;
} | ['static int ctlog_new_from_conf(CTLOG **ct_log, const CONF *conf, const char *section)\n{\n const char *description = NCONF_get_string(conf, section, "description");\n char *pkey_base64;\n if (description == NULL) {\n CTerr(CT_F_CTLOG_NEW_FROM_CONF, CT_R_LOG_CONF_MISSING_DESCRIPTION);\n return 0;\n }\n pkey_base64 = NCONF_get_string(conf, section, "key");\n if (pkey_base64 == NULL) {\n CTerr(CT_F_CTLOG_NEW_FROM_CONF, CT_R_LOG_CONF_MISSING_KEY);\n return 0;\n }\n return CTLOG_new_from_base64(ct_log, pkey_base64, description);\n}', 'int CTLOG_new_from_base64(CTLOG **ct_log, const char *pkey_base64, const char *name)\n{\n unsigned char *pkey_der = NULL;\n int pkey_der_len;\n const unsigned char *p;\n EVP_PKEY *pkey = NULL;\n if (ct_log == NULL) {\n CTerr(CT_F_CTLOG_NEW_FROM_BASE64, ERR_R_PASSED_INVALID_ARGUMENT);\n return 0;\n }\n pkey_der_len = ct_base64_decode(pkey_base64, &pkey_der);\n if (pkey_der_len < 0) {\n CTerr(CT_F_CTLOG_NEW_FROM_BASE64, CT_R_LOG_CONF_INVALID_KEY);\n return 0;\n }\n p = pkey_der;\n pkey = d2i_PUBKEY(NULL, &p, pkey_der_len);\n OPENSSL_free(pkey_der);\n if (pkey == NULL) {\n CTerr(CT_F_CTLOG_NEW_FROM_BASE64, CT_R_LOG_CONF_INVALID_KEY);\n return 0;\n }\n *ct_log = CTLOG_new(pkey, name);\n if (*ct_log == NULL) {\n EVP_PKEY_free(pkey);\n return 0;\n }\n return 1;\n}', "static int ct_base64_decode(const char *in, unsigned char **out)\n{\n size_t inlen = strlen(in);\n int outlen, i;\n unsigned char *outbuf = NULL;\n if (inlen == 0) {\n *out = NULL;\n return 0;\n }\n outlen = (inlen / 4) * 3;\n outbuf = OPENSSL_malloc(outlen);\n if (outbuf == NULL) {\n CTerr(CT_F_CT_BASE64_DECODE, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n outlen = EVP_DecodeBlock(outbuf, (unsigned char *)in, inlen);\n if (outlen < 0) {\n CTerr(CT_F_CT_BASE64_DECODE, CT_R_BASE64_DECODE_ERROR);\n goto err;\n }\n i = 0;\n while (in[--inlen] == '=') {\n --outlen;\n if (++i > 2)\n goto err;\n }\n *out = outbuf;\n return outlen;\nerr:\n OPENSSL_free(outbuf);\n return -1;\n}", 'EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length)\n{\n X509_PUBKEY *xpk;\n EVP_PKEY *pktmp;\n const unsigned char *q;\n q = *pp;\n xpk = d2i_X509_PUBKEY(NULL, &q, length);\n if (!xpk)\n return NULL;\n pktmp = X509_PUBKEY_get(xpk);\n X509_PUBKEY_free(xpk);\n if (!pktmp)\n return NULL;\n *pp = q;\n if (a) {\n EVP_PKEY_free(*a);\n *a = pktmp;\n }\n return pktmp;\n}', 'IMPLEMENT_ASN1_FUNCTIONS(X509_PUBKEY)', 'ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **pval,\n const unsigned char **in, long len,\n const ASN1_ITEM *it)\n{\n ASN1_TLC c;\n ASN1_VALUE *ptmpval = NULL;\n if (!pval)\n pval = &ptmpval;\n asn1_tlc_clear_nc(&c);\n if (ASN1_item_ex_d2i(pval, in, len, it, -1, 0, 0, &c) > 0)\n return *pval;\n return NULL;\n}', 'int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,\n const ASN1_ITEM *it,\n int tag, int aclass, char opt, ASN1_TLC *ctx)\n{\n int rv;\n rv = asn1_item_embed_d2i(pval, in, len, it, tag, aclass, opt, ctx, 0);\n if (rv <= 0)\n ASN1_item_ex_free(pval, it);\n return rv;\n}', 'static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,\n long len, const ASN1_ITEM *it,\n int tag, int aclass, char opt, ASN1_TLC *ctx,\n int depth)\n{\n const ASN1_TEMPLATE *tt, *errtt = NULL;\n const ASN1_EXTERN_FUNCS *ef;\n const ASN1_AUX *aux = it->funcs;\n ASN1_aux_cb *asn1_cb;\n const unsigned char *p = NULL, *q;\n unsigned char oclass;\n char seq_eoc, seq_nolen, cst, isopt;\n long tmplen;\n int i;\n int otag;\n int ret = 0;\n ASN1_VALUE **pchptr;\n if (!pval)\n return 0;\n if (aux && aux->asn1_cb)\n asn1_cb = aux->asn1_cb;\n else\n asn1_cb = 0;\n if (++depth > ASN1_MAX_CONSTRUCTED_NEST) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_NESTED_TOO_DEEP);\n goto err;\n }\n switch (it->itype) {\n case ASN1_ITYPE_PRIMITIVE:\n if (it->templates) {\n if ((tag != -1) || opt) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I,\n ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE);\n goto err;\n }\n return asn1_template_ex_d2i(pval, in, len,\n it->templates, opt, ctx, depth);\n }\n return asn1_d2i_ex_primitive(pval, in, len, it,\n tag, aclass, opt, ctx);\n case ASN1_ITYPE_MSTRING:\n p = *in;\n ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,\n &p, len, -1, 0, 1, ctx);\n if (!ret) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);\n goto err;\n }\n if (oclass != V_ASN1_UNIVERSAL) {\n if (opt)\n return -1;\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MSTRING_NOT_UNIVERSAL);\n goto err;\n }\n if (!(ASN1_tag2bit(otag) & it->utype)) {\n if (opt)\n return -1;\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MSTRING_WRONG_TAG);\n goto err;\n }\n return asn1_d2i_ex_primitive(pval, in, len, it, otag, 0, 0, ctx);\n case ASN1_ITYPE_EXTERN:\n ef = it->funcs;\n return ef->asn1_ex_d2i(pval, in, len, it, tag, aclass, opt, ctx);\n case ASN1_ITYPE_CHOICE:\n if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it, NULL))\n goto auxerr;\n if (*pval) {\n i = asn1_get_choice_selector(pval, it);\n if ((i >= 0) && (i < it->tcount)) {\n tt = it->templates + i;\n pchptr = asn1_get_field_ptr(pval, tt);\n asn1_template_free(pchptr, tt);\n asn1_set_choice_selector(pval, -1, it);\n }\n } else if (!ASN1_item_ex_new(pval, it)) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);\n goto err;\n }\n p = *in;\n for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {\n pchptr = asn1_get_field_ptr(pval, tt);\n ret = asn1_template_ex_d2i(pchptr, &p, len, tt, 1, ctx, depth);\n if (ret == -1)\n continue;\n if (ret > 0)\n break;\n asn1_template_free(pchptr, tt);\n errtt = tt;\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);\n goto err;\n }\n if (i == it->tcount) {\n if (opt) {\n ASN1_item_ex_free(pval, it);\n return -1;\n }\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_NO_MATCHING_CHOICE_TYPE);\n goto err;\n }\n asn1_set_choice_selector(pval, i, it);\n if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it, NULL))\n goto auxerr;\n *in = p;\n return 1;\n case ASN1_ITYPE_NDEF_SEQUENCE:\n case ASN1_ITYPE_SEQUENCE:\n p = *in;\n tmplen = len;\n if (tag == -1) {\n tag = V_ASN1_SEQUENCE;\n aclass = V_ASN1_UNIVERSAL;\n }\n ret = asn1_check_tlen(&len, NULL, NULL, &seq_eoc, &cst,\n &p, len, tag, aclass, opt, ctx);\n if (!ret) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);\n goto err;\n } else if (ret == -1)\n return -1;\n if (aux && (aux->flags & ASN1_AFLG_BROKEN)) {\n len = tmplen - (p - *in);\n seq_nolen = 1;\n }\n else\n seq_nolen = seq_eoc;\n if (!cst) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_SEQUENCE_NOT_CONSTRUCTED);\n goto err;\n }\n if (!*pval && !ASN1_item_ex_new(pval, it)) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);\n goto err;\n }\n if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it, NULL))\n goto auxerr;\n for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {\n if (tt->flags & ASN1_TFLG_ADB_MASK) {\n const ASN1_TEMPLATE *seqtt;\n ASN1_VALUE **pseqval;\n seqtt = asn1_do_adb(pval, tt, 0);\n if (seqtt == NULL)\n continue;\n pseqval = asn1_get_field_ptr(pval, seqtt);\n asn1_template_free(pseqval, seqtt);\n }\n }\n for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {\n const ASN1_TEMPLATE *seqtt;\n ASN1_VALUE **pseqval;\n seqtt = asn1_do_adb(pval, tt, 1);\n if (seqtt == NULL)\n goto err;\n pseqval = asn1_get_field_ptr(pval, seqtt);\n if (!len)\n break;\n q = p;\n if (asn1_check_eoc(&p, len)) {\n if (!seq_eoc) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_UNEXPECTED_EOC);\n goto err;\n }\n len -= p - q;\n seq_eoc = 0;\n q = p;\n break;\n }\n if (i == (it->tcount - 1))\n isopt = 0;\n else\n isopt = (char)(seqtt->flags & ASN1_TFLG_OPTIONAL);\n ret = asn1_template_ex_d2i(pseqval, &p, len, seqtt, isopt, ctx,\n depth);\n if (!ret) {\n errtt = seqtt;\n goto err;\n } else if (ret == -1) {\n asn1_template_free(pseqval, seqtt);\n continue;\n }\n len -= p - q;\n }\n if (seq_eoc && !asn1_check_eoc(&p, len)) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MISSING_EOC);\n goto err;\n }\n if (!seq_nolen && len) {\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_SEQUENCE_LENGTH_MISMATCH);\n goto err;\n }\n for (; i < it->tcount; tt++, i++) {\n const ASN1_TEMPLATE *seqtt;\n seqtt = asn1_do_adb(pval, tt, 1);\n if (seqtt == NULL)\n goto err;\n if (seqtt->flags & ASN1_TFLG_OPTIONAL) {\n ASN1_VALUE **pseqval;\n pseqval = asn1_get_field_ptr(pval, seqtt);\n asn1_template_free(pseqval, seqtt);\n } else {\n errtt = seqtt;\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_FIELD_MISSING);\n goto err;\n }\n }\n if (!asn1_enc_save(pval, *in, p - *in, it))\n goto auxerr;\n if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it, NULL))\n goto auxerr;\n *in = p;\n return 1;\n default:\n return 0;\n }\n auxerr:\n ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_AUX_ERROR);\n err:\n if (errtt)\n ERR_add_error_data(4, "Field=", errtt->field_name,\n ", Type=", it->sname);\n else\n ERR_add_error_data(2, "Type=", it->sname);\n return 0;\n}', 'static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,\n char *inf, char *cst,\n const unsigned char **in, long len,\n int exptag, int expclass, char opt, ASN1_TLC *ctx)\n{\n int i;\n int ptag, pclass;\n long plen;\n const unsigned char *p, *q;\n p = *in;\n q = p;\n if (ctx && ctx->valid) {\n i = ctx->ret;\n plen = ctx->plen;\n pclass = ctx->pclass;\n ptag = ctx->ptag;\n p += ctx->hdrlen;\n } else {\n i = ASN1_get_object(&p, &plen, &ptag, &pclass, len);\n if (ctx) {\n ctx->ret = i;\n ctx->plen = plen;\n ctx->pclass = pclass;\n ctx->ptag = ptag;\n ctx->hdrlen = p - q;\n ctx->valid = 1;\n if (!(i & 0x81) && ((plen + ctx->hdrlen) > len)) {\n ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_TOO_LONG);\n asn1_tlc_clear(ctx);\n return 0;\n }\n }\n }\n if (i & 0x80) {\n ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_BAD_OBJECT_HEADER);\n asn1_tlc_clear(ctx);\n return 0;\n }\n if (exptag >= 0) {\n if ((exptag != ptag) || (expclass != pclass)) {\n if (opt)\n return -1;\n asn1_tlc_clear(ctx);\n ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_WRONG_TAG);\n return 0;\n }\n asn1_tlc_clear(ctx);\n }\n if (i & 1)\n plen = len - (p - q);\n if (inf)\n *inf = i & 1;\n if (cst)\n *cst = i & V_ASN1_CONSTRUCTED;\n if (olen)\n *olen = plen;\n if (oclass)\n *oclass = pclass;\n if (otag)\n *otag = ptag;\n *in = p;\n return 1;\n}', 'int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,\n int *pclass, long omax)\n{\n int i, ret;\n long l;\n const unsigned char *p = *pp;\n int tag, xclass, inf;\n long max = omax;\n if (!max)\n goto err;\n ret = (*p & V_ASN1_CONSTRUCTED);\n xclass = (*p & V_ASN1_PRIVATE);\n i = *p & V_ASN1_PRIMITIVE_TAG;\n if (i == V_ASN1_PRIMITIVE_TAG) {\n p++;\n if (--max == 0)\n goto err;\n l = 0;\n while (*p & 0x80) {\n l <<= 7L;\n l |= *(p++) & 0x7f;\n if (--max == 0)\n goto err;\n if (l > (INT_MAX >> 7L))\n goto err;\n }\n l <<= 7L;\n l |= *(p++) & 0x7f;\n tag = (int)l;\n if (--max == 0)\n goto err;\n } else {\n tag = i;\n p++;\n if (--max == 0)\n goto err;\n }\n *ptag = tag;\n *pclass = xclass;\n if (!asn1_get_length(&p, &inf, plength, max))\n goto err;\n if (inf && !(ret & V_ASN1_CONSTRUCTED))\n goto err;\n if (*plength > (omax - (p - *pp))) {\n ASN1err(ASN1_F_ASN1_GET_OBJECT, ASN1_R_TOO_LONG);\n ret |= 0x80;\n }\n *pp = p;\n return ret | inf;\n err:\n ASN1err(ASN1_F_ASN1_GET_OBJECT, ASN1_R_HEADER_TOO_LONG);\n return 0x80;\n}', 'static int asn1_get_length(const unsigned char **pp, int *inf, long *rl,\n long max)\n{\n const unsigned char *p = *pp;\n unsigned long ret = 0;\n int i;\n if (max-- < 1)\n return 0;\n if (*p == 0x80) {\n *inf = 1;\n p++;\n } else {\n *inf = 0;\n i = *p & 0x7f;\n if (*p++ & 0x80) {\n if (max < i + 1)\n return 0;\n while (i > 0 && *p == 0) {\n p++;\n i--;\n }\n if (i > (int)sizeof(long))\n return 0;\n while (i > 0) {\n ret <<= 8;\n ret |= *p++;\n i--;\n }\n if (ret > LONG_MAX)\n return 0;\n } else\n ret = i;\n }\n *pp = p;\n *rl = (long)ret;\n return 1;\n}'] |
16,641 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/svq3.c/#L137 | static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp){
const int qmul= svq3_dequant_coeff[qp];
#define stride 16
int i;
int temp[16];
static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
for(i=0; i<4; i++){
const int offset= y_offset[i];
const int z0= 13*(block[offset+stride*0] + block[offset+stride*4]);
const int z1= 13*(block[offset+stride*0] - block[offset+stride*4]);
const int z2= 7* block[offset+stride*1] - 17*block[offset+stride*5];
const int z3= 17* block[offset+stride*1] + 7*block[offset+stride*5];
temp[4*i+0]= z0+z3;
temp[4*i+1]= z1+z2;
temp[4*i+2]= z1-z2;
temp[4*i+3]= z0-z3;
}
for(i=0; i<4; i++){
const int offset= x_offset[i];
const int z0= 13*(temp[4*0+i] + temp[4*2+i]);
const int z1= 13*(temp[4*0+i] - temp[4*2+i]);
const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
block[stride*0 +offset]= ((z0 + z3)*qmul + 0x80000)>>20;
block[stride*2 +offset]= ((z1 + z2)*qmul + 0x80000)>>20;
block[stride*8 +offset]= ((z1 - z2)*qmul + 0x80000)>>20;
block[stride*10+offset]= ((z0 - z3)*qmul + 0x80000)>>20;
}
} | ['static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp){\n const int qmul= svq3_dequant_coeff[qp];\n#define stride 16\n int i;\n int temp[16];\n static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};\n static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};\n for(i=0; i<4; i++){\n const int offset= y_offset[i];\n const int z0= 13*(block[offset+stride*0] + block[offset+stride*4]);\n const int z1= 13*(block[offset+stride*0] - block[offset+stride*4]);\n const int z2= 7* block[offset+stride*1] - 17*block[offset+stride*5];\n const int z3= 17* block[offset+stride*1] + 7*block[offset+stride*5];\n temp[4*i+0]= z0+z3;\n temp[4*i+1]= z1+z2;\n temp[4*i+2]= z1-z2;\n temp[4*i+3]= z0-z3;\n }\n for(i=0; i<4; i++){\n const int offset= x_offset[i];\n const int z0= 13*(temp[4*0+i] + temp[4*2+i]);\n const int z1= 13*(temp[4*0+i] - temp[4*2+i]);\n const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];\n const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];\n block[stride*0 +offset]= ((z0 + z3)*qmul + 0x80000)>>20;\n block[stride*2 +offset]= ((z1 + z2)*qmul + 0x80000)>>20;\n block[stride*8 +offset]= ((z1 - z2)*qmul + 0x80000)>>20;\n block[stride*10+offset]= ((z0 - z3)*qmul + 0x80000)>>20;\n }\n}'] |
16,642 | 0 | https://github.com/libav/libav/blob/82b6e451161f19ab90bfb9565b710021caf5dcbd/libavformat/rtsp.c/#L2227 | static int sdp_read_header(AVFormatContext *s)
{
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
int size, i, err;
char *content;
char url[1024];
if (!ff_network_init())
return AVERROR(EIO);
if (s->max_delay < 0)
s->max_delay = DEFAULT_REORDERING_DELAY;
if (rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)
rt->lower_transport = RTSP_LOWER_TRANSPORT_CUSTOM;
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];
if (!(rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)) {
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&connect=%d&write_to_source=%d",
rtsp_st->sdp_port, rtsp_st->sdp_ttl,
rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0,
rt->rtsp_flags & RTSP_FLAG_RTCP_TO_SOURCE ? 1 : 0);
append_source_addrs(url, sizeof(url), "sources",
rtsp_st->nb_include_source_addrs,
rtsp_st->include_source_addrs);
append_source_addrs(url, sizeof(url), "block",
rtsp_st->nb_exclude_source_addrs,
rtsp_st->exclude_source_addrs);
if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,
&s->interrupt_callback, NULL) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
}
if ((err = ff_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)\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 if (s->max_delay < 0)\n s->max_delay = DEFAULT_REORDERING_DELAY;\n if (rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)\n rt->lower_transport = RTSP_LOWER_TRANSPORT_CUSTOM;\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 if (!(rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)) {\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&connect=%d&write_to_source=%d",\n rtsp_st->sdp_port, rtsp_st->sdp_ttl,\n rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0,\n rt->rtsp_flags & RTSP_FLAG_RTCP_TO_SOURCE ? 1 : 0);\n append_source_addrs(url, sizeof(url), "sources",\n rtsp_st->nb_include_source_addrs,\n rtsp_st->include_source_addrs);\n append_source_addrs(url, sizeof(url), "block",\n rtsp_st->nb_exclude_source_addrs,\n rtsp_st->exclude_source_addrs);\n if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,\n &s->interrupt_callback, NULL) < 0) {\n err = AVERROR_INVALIDDATA;\n goto fail;\n }\n }\n if ((err = ff_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}', 'int ff_network_init(void)\n{\n#if HAVE_WINSOCK2_H\n WSADATA wsaData;\n#endif\n if (!ff_network_inited_globally)\n av_log(NULL, AV_LOG_WARNING, "Using network protocols without global "\n "network initialization. Please use "\n "avformat_network_init(), this will "\n "become mandatory later.\\n");\n#if HAVE_WINSOCK2_H\n if (WSAStartup(MAKEWORD(1,1), &wsaData))\n return 0;\n#endif\n return 1;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size + 32);\n if (!ptr)\n return ptr;\n diff = ((-(long)ptr - 1) & 31) + 1;\n ptr = (char *)ptr + diff;\n ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
16,643 | 0 | https://github.com/openssl/openssl/blob/55442b8a5b719f54578083fae0fcc814b599cd84/crypto/bn/bn_lib.c/#L233 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,\n const BIGNUM *Xp, const BIGNUM *Xp1,\n const BIGNUM *Xp2, const BIGNUM *e, BN_CTX *ctx,\n BN_GENCB *cb)\n{\n int ret = 0;\n BIGNUM *t, *p1p2, *pm1;\n if (!BN_is_odd(e))\n return 0;\n BN_CTX_start(ctx);\n if (p1 == NULL)\n p1 = BN_CTX_get(ctx);\n if (p2 == NULL)\n p2 = BN_CTX_get(ctx);\n t = BN_CTX_get(ctx);\n p1p2 = BN_CTX_get(ctx);\n pm1 = BN_CTX_get(ctx);\n if (pm1 == NULL)\n goto err;\n if (!bn_x931_derive_pi(p1, Xp1, ctx, cb))\n goto err;\n if (!bn_x931_derive_pi(p2, Xp2, ctx, cb))\n goto err;\n if (!BN_mul(p1p2, p1, p2, ctx))\n goto err;\n if (!BN_mod_inverse(p, p2, p1, ctx))\n goto err;\n if (!BN_mul(p, p, p2, ctx))\n goto err;\n if (!BN_mod_inverse(t, p1, p2, ctx))\n goto err;\n if (!BN_mul(t, t, p1, ctx))\n goto err;\n if (!BN_sub(p, p, t))\n goto err;\n if (p->neg && !BN_add(p, p, p1p2))\n goto err;\n if (!BN_mod_sub(p, p, Xp, p1p2, ctx))\n goto err;\n if (!BN_add(p, p, Xp))\n goto err;\n for (;;) {\n int i = 1;\n BN_GENCB_call(cb, 0, i++);\n if (!BN_copy(pm1, p))\n goto err;\n if (!BN_sub_word(pm1, 1))\n goto err;\n if (!BN_gcd(t, pm1, e, ctx))\n goto err;\n if (BN_is_one(t)) {\n int r = BN_is_prime_fasttest_ex(p, 50, ctx, 1, cb);\n if (r < 0)\n goto err;\n if (r)\n break;\n }\n if (!BN_add(p, p, p1p2))\n goto err;\n }\n BN_GENCB_call(cb, 3, 0);\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#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int ret, r_neg, cmp_res;\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg != b->neg) {\n r_neg = a->neg;\n ret = BN_uadd(r, a, b);\n } else {\n cmp_res = BN_ucmp(a, b);\n if (cmp_res > 0) {\n r_neg = a->neg;\n ret = BN_usub(r, a, b);\n } else if (cmp_res < 0) {\n r_neg = !b->neg;\n ret = BN_usub(r, b, a);\n } else {\n r_neg = 0;\n BN_zero(r);\n ret = 1;\n }\n }\n r->neg = r_neg;\n bn_check_top(r);\n return ret;\n}', 'int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n if (!BN_sub(r, a, b))\n return 0;\n return BN_nnmod(r, r, m, ctx);\n}', 'int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int ret, r_neg, cmp_res;\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg == b->neg) {\n r_neg = a->neg;\n ret = BN_uadd(r, a, b);\n } else {\n cmp_res = BN_ucmp(a, b);\n if (cmp_res > 0) {\n r_neg = a->neg;\n ret = BN_usub(r, a, b);\n } else if (cmp_res < 0) {\n r_neg = b->neg;\n ret = BN_usub(r, b, a);\n } else {\n r_neg = 0;\n BN_zero(r);\n ret = 1;\n }\n }\n r->neg = r_neg;\n bn_check_top(r);\n return ret;\n}', 'int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n const BN_ULONG *ap, *bp;\n BN_ULONG *rp, carry, t1, t2;\n bn_check_top(a);\n bn_check_top(b);\n if (a->top < b->top) {\n const BIGNUM *tmp;\n tmp = a;\n a = b;\n b = tmp;\n }\n max = a->top;\n min = b->top;\n dif = max - min;\n if (bn_wexpand(r, max + 1) == NULL)\n return 0;\n r->top = max;\n ap = a->d;\n bp = b->d;\n rp = r->d;\n carry = bn_add_words(rp, ap, bp, min);\n rp += min;\n ap += min;\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 + carry) & BN_MASK2;\n *(rp++) = t2;\n carry &= (t2 == 0);\n }\n *rp = carry;\n r->top += carry;\n r->neg = 0;\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = 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 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}'] |
16,644 | 0 | https://github.com/openssl/openssl/blob/1a50eedf2a1fbb1e0e009ad616d8be678e4c6340/crypto/ec/ec_mult.c/#L494 | int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
size_t num, const EC_POINT *points[], const BIGNUM *scalars[],
BN_CTX *ctx)
{
const EC_POINT *generator = NULL;
EC_POINT *tmp = NULL;
size_t totalnum;
size_t blocksize = 0, numblocks = 0;
size_t pre_points_per_block = 0;
size_t i, j;
int k;
int r_is_inverted = 0;
int r_is_at_infinity = 1;
size_t *wsize = NULL;
signed char **wNAF = NULL;
size_t *wNAF_len = NULL;
size_t max_len = 0;
size_t num_val;
EC_POINT **val = NULL;
EC_POINT **v;
EC_POINT ***val_sub = NULL;
const EC_PRE_COMP *pre_comp = NULL;
int num_scalar = 0;
int ret = 0;
if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {
if ((scalar != NULL) && (num == 0)) {
return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);
}
if ((scalar == NULL) && (num == 1)) {
return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);
}
}
if (scalar != NULL) {
generator = EC_GROUP_get0_generator(group);
if (generator == NULL) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);
goto err;
}
pre_comp = group->pre_comp.ec;
if (pre_comp && pre_comp->numblocks
&& (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==
0)) {
blocksize = pre_comp->blocksize;
numblocks = (BN_num_bits(scalar) / blocksize) + 1;
if (numblocks > pre_comp->numblocks)
numblocks = pre_comp->numblocks;
pre_points_per_block = (size_t)1 << (pre_comp->w - 1);
if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
pre_comp = NULL;
numblocks = 1;
num_scalar = 1;
}
}
totalnum = num + numblocks;
wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));
wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));
wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));
val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));
if (wNAF != NULL)
wNAF[0] = NULL;
if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
num_val = 0;
for (i = 0; i < num + num_scalar; i++) {
size_t bits;
bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);
wsize[i] = EC_window_bits_for_scalar_size(bits);
num_val += (size_t)1 << (wsize[i] - 1);
wNAF[i + 1] = NULL;
wNAF[i] =
bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],
&wNAF_len[i]);
if (wNAF[i] == NULL)
goto err;
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
}
if (numblocks) {
if (pre_comp == NULL) {
if (num_scalar != 1) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
signed char *tmp_wNAF = NULL;
size_t tmp_len = 0;
if (num_scalar != 0) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
wsize[num] = pre_comp->w;
tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);
if (!tmp_wNAF)
goto err;
if (tmp_len <= max_len) {
numblocks = 1;
totalnum = num + 1;
wNAF[num] = tmp_wNAF;
wNAF[num + 1] = NULL;
wNAF_len[num] = tmp_len;
val_sub[num] = pre_comp->points;
} else {
signed char *pp;
EC_POINT **tmp_points;
if (tmp_len < numblocks * blocksize) {
numblocks = (tmp_len + blocksize - 1) / blocksize;
if (numblocks > pre_comp->numblocks) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
totalnum = num + numblocks;
}
pp = tmp_wNAF;
tmp_points = pre_comp->points;
for (i = num; i < totalnum; i++) {
if (i < totalnum - 1) {
wNAF_len[i] = blocksize;
if (tmp_len < blocksize) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
tmp_len -= blocksize;
} else
wNAF_len[i] = tmp_len;
wNAF[i + 1] = NULL;
wNAF[i] = OPENSSL_malloc(wNAF_len[i]);
if (wNAF[i] == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(tmp_wNAF);
goto err;
}
memcpy(wNAF[i], pp, wNAF_len[i]);
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
if (*tmp_points == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
val_sub[i] = tmp_points;
tmp_points += pre_points_per_block;
pp += blocksize;
}
OPENSSL_free(tmp_wNAF);
}
}
}
val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));
if (val == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
val[num_val] = NULL;
v = val;
for (i = 0; i < num + num_scalar; i++) {
val_sub[i] = v;
for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {
*v = EC_POINT_new(group);
if (*v == NULL)
goto err;
v++;
}
}
if (!(v == val + num_val)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((tmp = EC_POINT_new(group)) == NULL)
goto err;
for (i = 0; i < num + num_scalar; i++) {
if (i < num) {
if (!EC_POINT_copy(val_sub[i][0], points[i]))
goto err;
} else {
if (!EC_POINT_copy(val_sub[i][0], generator))
goto err;
}
if (wsize[i] > 1) {
if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))
goto err;
for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {
if (!EC_POINT_add
(group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))
goto err;
}
}
}
if (!EC_POINTs_make_affine(group, num_val, val, ctx))
goto err;
r_is_at_infinity = 1;
for (k = max_len - 1; k >= 0; k--) {
if (!r_is_at_infinity) {
if (!EC_POINT_dbl(group, r, r, ctx))
goto err;
}
for (i = 0; i < totalnum; i++) {
if (wNAF_len[i] > (size_t)k) {
int digit = wNAF[i][k];
int is_neg;
if (digit) {
is_neg = digit < 0;
if (is_neg)
digit = -digit;
if (is_neg != r_is_inverted) {
if (!r_is_at_infinity) {
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
r_is_inverted = !r_is_inverted;
}
if (r_is_at_infinity) {
if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))
goto err;
r_is_at_infinity = 0;
} else {
if (!EC_POINT_add
(group, r, r, val_sub[i][digit >> 1], ctx))
goto err;
}
}
}
}
}
if (r_is_at_infinity) {
if (!EC_POINT_set_to_infinity(group, r))
goto err;
} else {
if (r_is_inverted)
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
ret = 1;
err:
EC_POINT_free(tmp);
OPENSSL_free(wsize);
OPENSSL_free(wNAF_len);
if (wNAF != NULL) {
signed char **w;
for (w = wNAF; *w != NULL; w++)
OPENSSL_free(*w);
OPENSSL_free(wNAF);
}
if (val != NULL) {
for (v = val; *v != NULL; v++)
EC_POINT_clear_free(*v);
OPENSSL_free(val);
}
OPENSSL_free(val_sub);
return ret;
} | ['static int sm2_sig_verify(const EC_KEY *key, const ECDSA_SIG *sig,\n const BIGNUM *e)\n{\n int ret = 0;\n const EC_GROUP *group = EC_KEY_get0_group(key);\n const BIGNUM *order = EC_GROUP_get0_order(group);\n BN_CTX *ctx = NULL;\n EC_POINT *pt = NULL;\n BIGNUM *t = NULL;\n BIGNUM *x1 = NULL;\n const BIGNUM *r = NULL;\n const BIGNUM *s = NULL;\n ctx = BN_CTX_new();\n pt = EC_POINT_new(group);\n if (ctx == NULL || pt == NULL) {\n SM2err(SM2_F_SM2_SIG_VERIFY, ERR_R_MALLOC_FAILURE);\n goto done;\n }\n BN_CTX_start(ctx);\n t = BN_CTX_get(ctx);\n x1 = BN_CTX_get(ctx);\n if (x1 == NULL) {\n SM2err(SM2_F_SM2_SIG_VERIFY, ERR_R_MALLOC_FAILURE);\n goto done;\n }\n ECDSA_SIG_get0(sig, &r, &s);\n if (BN_cmp(r, BN_value_one()) < 0\n || BN_cmp(s, BN_value_one()) < 0\n || BN_cmp(order, r) <= 0\n || BN_cmp(order, s) <= 0) {\n SM2err(SM2_F_SM2_SIG_VERIFY, SM2_R_BAD_SIGNATURE);\n goto done;\n }\n if (!BN_mod_add(t, r, s, order, ctx)) {\n SM2err(SM2_F_SM2_SIG_VERIFY, ERR_R_BN_LIB);\n goto done;\n }\n if (BN_is_zero(t)) {\n SM2err(SM2_F_SM2_SIG_VERIFY, SM2_R_BAD_SIGNATURE);\n goto done;\n }\n if (!EC_POINT_mul(group, pt, s, EC_KEY_get0_public_key(key), t, ctx)\n || !EC_POINT_get_affine_coordinates_GFp(group, pt, x1, NULL, ctx)) {\n SM2err(SM2_F_SM2_SIG_VERIFY, ERR_R_EC_LIB);\n goto done;\n }\n if (!BN_mod_add(t, e, x1, order, ctx)) {\n SM2err(SM2_F_SM2_SIG_VERIFY, ERR_R_BN_LIB);\n goto done;\n }\n if (BN_cmp(r, t) == 0)\n ret = 1;\n done:\n EC_POINT_free(pt);\n BN_CTX_free(ctx);\n return ret;\n}', 'int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar,\n const EC_POINT *point, const BIGNUM *p_scalar, BN_CTX *ctx)\n{\n const EC_POINT *points[1];\n const BIGNUM *scalars[1];\n points[0] = point;\n scalars[0] = p_scalar;\n return EC_POINTs_mul(group, r, g_scalar,\n (point != NULL\n && p_scalar != NULL), points, scalars, ctx);\n}', 'int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[],\n const BIGNUM *scalars[], BN_CTX *ctx)\n{\n int ret = 0;\n size_t i = 0;\n BN_CTX *new_ctx = NULL;\n if ((scalar == NULL) && (num == 0)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n if (!ec_point_is_compat(r, group)) {\n ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n for (i = 0; i < num; i++) {\n if (!ec_point_is_compat(points[i], group)) {\n ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n }\n if (ctx == NULL && (ctx = new_ctx = BN_CTX_secure_new()) == NULL) {\n ECerr(EC_F_EC_POINTS_MUL, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (group->meth->mul != NULL)\n ret = group->meth->mul(group, r, scalar, num, points, scalars, ctx);\n else\n ret = ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[], const BIGNUM *scalars[],\n BN_CTX *ctx)\n{\n const EC_POINT *generator = NULL;\n EC_POINT *tmp = NULL;\n size_t totalnum;\n size_t blocksize = 0, numblocks = 0;\n size_t pre_points_per_block = 0;\n size_t i, j;\n int k;\n int r_is_inverted = 0;\n int r_is_at_infinity = 1;\n size_t *wsize = NULL;\n signed char **wNAF = NULL;\n size_t *wNAF_len = NULL;\n size_t max_len = 0;\n size_t num_val;\n EC_POINT **val = NULL;\n EC_POINT **v;\n EC_POINT ***val_sub = NULL;\n const EC_PRE_COMP *pre_comp = NULL;\n int num_scalar = 0;\n int ret = 0;\n if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {\n if ((scalar != NULL) && (num == 0)) {\n return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);\n }\n if ((scalar == NULL) && (num == 1)) {\n return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);\n }\n }\n if (scalar != NULL) {\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n pre_comp = group->pre_comp.ec;\n if (pre_comp && pre_comp->numblocks\n && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==\n 0)) {\n blocksize = pre_comp->blocksize;\n numblocks = (BN_num_bits(scalar) / blocksize) + 1;\n if (numblocks > pre_comp->numblocks)\n numblocks = pre_comp->numblocks;\n pre_points_per_block = (size_t)1 << (pre_comp->w - 1);\n if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n pre_comp = NULL;\n numblocks = 1;\n num_scalar = 1;\n }\n }\n totalnum = num + numblocks;\n wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));\n wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));\n wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));\n val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));\n if (wNAF != NULL)\n wNAF[0] = NULL;\n if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n num_val = 0;\n for (i = 0; i < num + num_scalar; i++) {\n size_t bits;\n bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);\n wsize[i] = EC_window_bits_for_scalar_size(bits);\n num_val += (size_t)1 << (wsize[i] - 1);\n wNAF[i + 1] = NULL;\n wNAF[i] =\n bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],\n &wNAF_len[i]);\n if (wNAF[i] == NULL)\n goto err;\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n }\n if (numblocks) {\n if (pre_comp == NULL) {\n if (num_scalar != 1) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n signed char *tmp_wNAF = NULL;\n size_t tmp_len = 0;\n if (num_scalar != 0) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n wsize[num] = pre_comp->w;\n tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);\n if (!tmp_wNAF)\n goto err;\n if (tmp_len <= max_len) {\n numblocks = 1;\n totalnum = num + 1;\n wNAF[num] = tmp_wNAF;\n wNAF[num + 1] = NULL;\n wNAF_len[num] = tmp_len;\n val_sub[num] = pre_comp->points;\n } else {\n signed char *pp;\n EC_POINT **tmp_points;\n if (tmp_len < numblocks * blocksize) {\n numblocks = (tmp_len + blocksize - 1) / blocksize;\n if (numblocks > pre_comp->numblocks) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n totalnum = num + numblocks;\n }\n pp = tmp_wNAF;\n tmp_points = pre_comp->points;\n for (i = num; i < totalnum; i++) {\n if (i < totalnum - 1) {\n wNAF_len[i] = blocksize;\n if (tmp_len < blocksize) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n tmp_len -= blocksize;\n } else\n wNAF_len[i] = tmp_len;\n wNAF[i + 1] = NULL;\n wNAF[i] = OPENSSL_malloc(wNAF_len[i]);\n if (wNAF[i] == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n memcpy(wNAF[i], pp, wNAF_len[i]);\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n if (*tmp_points == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n val_sub[i] = tmp_points;\n tmp_points += pre_points_per_block;\n pp += blocksize;\n }\n OPENSSL_free(tmp_wNAF);\n }\n }\n }\n val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));\n if (val == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n val[num_val] = NULL;\n v = val;\n for (i = 0; i < num + num_scalar; i++) {\n val_sub[i] = v;\n for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n *v = EC_POINT_new(group);\n if (*v == NULL)\n goto err;\n v++;\n }\n }\n if (!(v == val + num_val)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if ((tmp = EC_POINT_new(group)) == NULL)\n goto err;\n for (i = 0; i < num + num_scalar; i++) {\n if (i < num) {\n if (!EC_POINT_copy(val_sub[i][0], points[i]))\n goto err;\n } else {\n if (!EC_POINT_copy(val_sub[i][0], generator))\n goto err;\n }\n if (wsize[i] > 1) {\n if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))\n goto err;\n for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n if (!EC_POINT_add\n (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))\n goto err;\n }\n }\n }\n if (!EC_POINTs_make_affine(group, num_val, val, ctx))\n goto err;\n r_is_at_infinity = 1;\n for (k = max_len - 1; k >= 0; k--) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_dbl(group, r, r, ctx))\n goto err;\n }\n for (i = 0; i < totalnum; i++) {\n if (wNAF_len[i] > (size_t)k) {\n int digit = wNAF[i][k];\n int is_neg;\n if (digit) {\n is_neg = digit < 0;\n if (is_neg)\n digit = -digit;\n if (is_neg != r_is_inverted) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n r_is_inverted = !r_is_inverted;\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))\n goto err;\n r_is_at_infinity = 0;\n } else {\n if (!EC_POINT_add\n (group, r, r, val_sub[i][digit >> 1], ctx))\n goto err;\n }\n }\n }\n }\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (r_is_inverted)\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n ret = 1;\n err:\n EC_POINT_free(tmp);\n OPENSSL_free(wsize);\n OPENSSL_free(wNAF_len);\n if (wNAF != NULL) {\n signed char **w;\n for (w = wNAF; *w != NULL; w++)\n OPENSSL_free(*w);\n OPENSSL_free(wNAF);\n }\n if (val != NULL) {\n for (v = val; *v != NULL; v++)\n EC_POINT_clear_free(*v);\n OPENSSL_free(val);\n }\n OPENSSL_free(val_sub);\n return ret;\n}'] |
16,645 | 0 | https://github.com/libav/libav/blob/fc417db3f162d5269c0d22f8e467da4afa67c20a/avconv.c/#L4684 | static int opt_vstats(const char *opt, const char *arg)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
return opt_vstats_file(opt, filename);
} | ['static int opt_vstats(const char *opt, const char *arg)\n{\n char filename[40];\n time_t today2 = time(NULL);\n struct tm *today = localtime(&today2);\n snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,\n today->tm_sec);\n return opt_vstats_file(opt, filename);\n}'] |
16,646 | 0 | https://github.com/openssl/openssl/blob/305b68f1a2b6d4d0aa07a6ab47ac372f067a40bb/crypto/bn/bn_lib.c/#L231 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const int p[], BN_CTX *ctx)\n{\n int zlen, i, j, k, ret = 0;\n BIGNUM *s;\n BN_ULONG x1, x0, y1, y0, zz[4];\n bn_check_top(a);\n bn_check_top(b);\n if (a == b) {\n return BN_GF2m_mod_sqr_arr(r, a, p, ctx);\n }\n BN_CTX_start(ctx);\n if ((s = BN_CTX_get(ctx)) == NULL)\n goto err;\n zlen = a->top + b->top + 4;\n if (!bn_wexpand(s, zlen))\n goto err;\n s->top = zlen;\n for (i = 0; i < zlen; i++)\n s->d[i] = 0;\n for (j = 0; j < b->top; j += 2) {\n y0 = b->d[j];\n y1 = ((j + 1) == b->top) ? 0 : b->d[j + 1];\n for (i = 0; i < a->top; i += 2) {\n x0 = a->d[i];\n x1 = ((i + 1) == a->top) ? 0 : a->d[i + 1];\n bn_GF2m_mul_2x2(zz, x1, x0, y1, y0);\n for (k = 0; k < 4; k++)\n s->d[i + j + k] ^= zz[k];\n }\n }\n bn_correct_top(s);\n if (BN_GF2m_mod_arr(r, s, p))\n ret = 1;\n bn_check_top(r);\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
16,647 | 0 | https://github.com/libav/libav/blob/e5b0fc170f85b00f7dd0ac514918fb5c95253d39/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 flashsv_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame, AVPacket *avpkt)\n{\n int buf_size = avpkt->size;\n FlashSVContext *s = avctx->priv_data;\n int h_blocks, v_blocks, h_part, v_part, i, j, ret;\n BitstreamContext bc;\n if (buf_size == 0)\n return 0;\n if (buf_size < 4)\n return -1;\n bitstream_init(&bc, avpkt->data, buf_size * 8);\n s->block_width = 16 * (bitstream_read(&bc, 4) + 1);\n s->image_width = bitstream_read(&bc, 12);\n s->block_height = 16 * (bitstream_read(&bc, 4) + 1);\n s->image_height = bitstream_read(&bc, 12);\n if (s->ver == 2) {\n bitstream_skip(&bc, 6);\n if (bitstream_read_bit(&bc)) {\n avpriv_request_sample(avctx, "iframe");\n return AVERROR_PATCHWELCOME;\n }\n if (bitstream_read_bit(&bc)) {\n avpriv_request_sample(avctx, "Custom palette");\n return AVERROR_PATCHWELCOME;\n }\n }\n h_blocks = s->image_width / s->block_width;\n h_part = s->image_width % s->block_width;\n v_blocks = s->image_height / s->block_height;\n v_part = s->image_height % s->block_height;\n if (s->block_size < s->block_width * s->block_height) {\n int tmpblock_size = 3 * s->block_width * s->block_height, err;\n if ((err = av_reallocp(&s->tmpblock, tmpblock_size)) < 0) {\n s->block_size = 0;\n av_log(avctx, AV_LOG_ERROR,\n "Cannot allocate decompression buffer.\\n");\n return err;\n }\n if (s->ver == 2) {\n s->deflate_block_size = calc_deflate_block_size(tmpblock_size);\n if (s->deflate_block_size <= 0) {\n av_log(avctx, AV_LOG_ERROR,\n "Cannot determine deflate buffer size.\\n");\n return -1;\n }\n if ((err = av_reallocp(&s->deflate_block, s->deflate_block_size)) < 0) {\n s->block_size = 0;\n av_log(avctx, AV_LOG_ERROR, "Cannot allocate deflate buffer.\\n");\n return err;\n }\n }\n }\n s->block_size = s->block_width * s->block_height;\n if (avctx->width == 0 && avctx->height == 0) {\n avctx->width = s->image_width;\n avctx->height = s->image_height;\n }\n if (avctx->width != s->image_width || avctx->height != s->image_height) {\n av_log(avctx, AV_LOG_ERROR,\n "Frame width or height differs from first frame!\\n");\n av_log(avctx, AV_LOG_ERROR, "fh = %d, fv %d vs ch = %d, cv = %d\\n",\n avctx->height, avctx->width, s->image_height, s->image_width);\n return AVERROR_INVALIDDATA;\n }\n s->is_keyframe = (avpkt->flags & AV_PKT_FLAG_KEY) && (s->ver == 2);\n if (s->is_keyframe) {\n int err;\n int nb_blocks = (v_blocks + !!v_part) *\n (h_blocks + !!h_part) * sizeof(s->blocks[0]);\n if ((err = av_reallocp(&s->keyframedata, avpkt->size)) < 0)\n return err;\n memcpy(s->keyframedata, avpkt->data, avpkt->size);\n if ((err = av_reallocp(&s->blocks, nb_blocks)) < 0)\n return err;\n memset(s->blocks, 0, nb_blocks);\n }\n ff_dlog(avctx, "image: %dx%d block: %dx%d num: %dx%d part: %dx%d\\n",\n s->image_width, s->image_height, s->block_width, s->block_height,\n h_blocks, v_blocks, h_part, v_part);\n if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\\n");\n return ret;\n }\n for (j = 0; j < v_blocks + (v_part ? 1 : 0); j++) {\n int y_pos = j * s->block_height;\n int cur_blk_height = (j < v_blocks) ? s->block_height : v_part;\n for (i = 0; i < h_blocks + (h_part ? 1 : 0); i++) {\n int x_pos = i * s->block_width;\n int cur_blk_width = (i < h_blocks) ? s->block_width : h_part;\n int has_diff = 0;\n int size = bitstream_read(&bc, 16);\n s->color_depth = 0;\n s->zlibprime_curr = 0;\n s->zlibprime_prev = 0;\n s->diff_start = 0;\n s->diff_height = cur_blk_height;\n if (8 * size > bitstream_bits_left(&bc)) {\n av_frame_unref(s->frame);\n return AVERROR_INVALIDDATA;\n }\n if (s->ver == 2 && size) {\n bitstream_skip(&bc, 3);\n s->color_depth = bitstream_read(&bc, 2);\n has_diff = bitstream_read_bit(&bc);\n s->zlibprime_curr = bitstream_read_bit(&bc);\n s->zlibprime_prev = bitstream_read_bit(&bc);\n if (s->color_depth != 0 && s->color_depth != 2) {\n av_log(avctx, AV_LOG_ERROR,\n "%dx%d invalid color depth %d\\n",\n i, j, s->color_depth);\n return AVERROR_INVALIDDATA;\n }\n if (has_diff) {\n if (!s->keyframe) {\n av_log(avctx, AV_LOG_ERROR,\n "Inter frame without keyframe\\n");\n return AVERROR_INVALIDDATA;\n }\n s->diff_start = bitstream_read(&bc, 8);\n s->diff_height = bitstream_read(&bc, 8);\n if (s->diff_start + s->diff_height > cur_blk_height) {\n av_log(avctx, AV_LOG_ERROR,\n "Block parameters invalid: %d + %d > %d\\n",\n s->diff_start, s->diff_height, cur_blk_height);\n return AVERROR_INVALIDDATA;\n }\n av_log(avctx, AV_LOG_DEBUG,\n "%dx%d diff start %d height %d\\n",\n i, j, s->diff_start, s->diff_height);\n size -= 2;\n }\n if (s->zlibprime_prev)\n av_log(avctx, AV_LOG_DEBUG, "%dx%d zlibprime_prev\\n", i, j);\n if (s->zlibprime_curr) {\n int col = bitstream_read(&bc, 8);\n int row = bitstream_read(&bc, 8);\n av_log(avctx, AV_LOG_DEBUG, "%dx%d zlibprime_curr %dx%d\\n",\n i, j, col, row);\n size -= 2;\n avpriv_request_sample(avctx, "zlibprime_curr");\n return AVERROR_PATCHWELCOME;\n }\n if (!s->blocks && (s->zlibprime_curr || s->zlibprime_prev)) {\n av_log(avctx, AV_LOG_ERROR,\n "no data available for zlib priming\\n");\n return AVERROR_INVALIDDATA;\n }\n size--;\n }\n if (has_diff) {\n int k;\n int off = (s->image_height - y_pos - 1) * s->frame->linesize[0];\n for (k = 0; k < cur_blk_height; k++) {\n int x = off - k * s->frame->linesize[0] + x_pos * 3;\n memcpy(s->frame->data[0] + x, s->keyframe + x,\n cur_blk_width * 3);\n }\n }\n if (size) {\n if (flashsv_decode_block(avctx, avpkt, &bc, size,\n cur_blk_width, cur_blk_height,\n x_pos, y_pos,\n i + j * (h_blocks + !!h_part)))\n av_log(avctx, AV_LOG_ERROR,\n "error in decompression of block %dx%d\\n", i, j);\n }\n }\n }\n if (s->is_keyframe && s->ver == 2) {\n if (!s->keyframe) {\n s->keyframe = av_malloc(s->frame->linesize[0] * avctx->height);\n if (!s->keyframe) {\n av_log(avctx, AV_LOG_ERROR, "Cannot allocate image data\\n");\n return AVERROR(ENOMEM);\n }\n }\n memcpy(s->keyframe, s->frame->data[0],\n s->frame->linesize[0] * avctx->height);\n }\n if ((ret = av_frame_ref(data, s->frame)) < 0)\n return ret;\n *got_frame = 1;\n if ((bitstream_tell(&bc) / 8) != buf_size)\n av_log(avctx, AV_LOG_ERROR, "buffer not fully consumed (%d != %d)\\n",\n buf_size, (bitstream_tell(&bc) / 8));\n return buf_size;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
16,648 | 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);
} | ['ECDSA_SIG *ossl_ecdsa_sign_sig(const unsigned char *dgst, int dgst_len,\n const BIGNUM *in_kinv, const BIGNUM *in_r,\n EC_KEY *eckey)\n{\n int ok = 0, i;\n BIGNUM *kinv = NULL, *s, *m = NULL;\n const BIGNUM *order, *ckinv;\n BN_CTX *ctx = NULL;\n const EC_GROUP *group;\n ECDSA_SIG *ret;\n const BIGNUM *priv_key;\n group = EC_KEY_get0_group(eckey);\n priv_key = EC_KEY_get0_private_key(eckey);\n if (group == NULL || priv_key == NULL) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_PASSED_NULL_PARAMETER);\n return NULL;\n }\n if (!EC_KEY_can_sign(eckey)) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING);\n return NULL;\n }\n ret = ECDSA_SIG_new();\n if (ret == NULL) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ret->r = BN_new();\n ret->s = BN_new();\n if (ret->r == NULL || ret->s == NULL) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n s = ret->s;\n if ((ctx = BN_CTX_new()) == NULL\n || (m = BN_new()) == NULL) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n order = EC_GROUP_get0_order(group);\n i = BN_num_bits(order);\n if (8 * dgst_len > i)\n dgst_len = (i + 7) / 8;\n if (!BN_bin2bn(dgst, dgst_len, m)) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);\n goto err;\n }\n do {\n if (in_kinv == NULL || in_r == NULL) {\n if (!ecdsa_sign_setup(eckey, ctx, &kinv, &ret->r, dgst, dgst_len)) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_ECDSA_LIB);\n goto err;\n }\n ckinv = kinv;\n } else {\n ckinv = in_kinv;\n if (BN_copy(ret->r, in_r) == NULL) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n if (!bn_to_mont_fixed_top(s, ret->r, group->mont_data, ctx)\n || !bn_mul_mont_fixed_top(s, s, priv_key, group->mont_data, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if (!bn_mod_add_fixed_top(s, s, m, order)) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if (!bn_to_mont_fixed_top(s, s, group->mont_data, ctx)\n || !BN_mod_mul_montgomery(s, s, ckinv, group->mont_data, ctx)) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);\n goto err;\n }\n if (BN_is_zero(s)) {\n if (in_kinv != NULL && in_r != NULL) {\n ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, EC_R_NEED_NEW_SETUP_VALUES);\n goto err;\n }\n } else {\n break;\n }\n } while (1);\n ok = 1;\n err:\n if (!ok) {\n ECDSA_SIG_free(ret);\n ret = NULL;\n }\n BN_CTX_free(ctx);\n BN_clear_free(m);\n BN_clear_free(kinv);\n return ret;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return NULL;\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return ret;\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return ret;\n}', 'int bn_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}'] |
16,649 | 0 | https://github.com/libav/libav/blob/710b0e27025948b7511821c2f888ff2d74a59e14/libavformat/gxfenc.c/#L786 | static int gxf_write_trailer(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
int64_t end;
int i;
ff_audio_interleave_close(s);
gxf_write_eos_packet(pb);
end = avio_tell(pb);
avio_seek(pb, 0, SEEK_SET);
gxf_write_map_packet(s, 1);
gxf_write_flt_packet(s);
gxf_write_umf_packet(s);
avio_flush(pb);
for (i = 1; i < gxf->map_offsets_nb; i++) {
avio_seek(pb, gxf->map_offsets[i], SEEK_SET);
gxf_write_map_packet(s, 1);
avio_flush(pb);
}
avio_seek(pb, end, SEEK_SET);
av_freep(&gxf->flt_entries);
av_freep(&gxf->map_offsets);
return 0;
} | ['static int gxf_write_trailer(AVFormatContext *s)\n{\n GXFContext *gxf = s->priv_data;\n AVIOContext *pb = s->pb;\n int64_t end;\n int i;\n ff_audio_interleave_close(s);\n gxf_write_eos_packet(pb);\n end = avio_tell(pb);\n avio_seek(pb, 0, SEEK_SET);\n gxf_write_map_packet(s, 1);\n gxf_write_flt_packet(s);\n gxf_write_umf_packet(s);\n avio_flush(pb);\n for (i = 1; i < gxf->map_offsets_nb; i++) {\n avio_seek(pb, gxf->map_offsets[i], SEEK_SET);\n gxf_write_map_packet(s, 1);\n avio_flush(pb);\n }\n avio_seek(pb, end, SEEK_SET);\n av_freep(&gxf->flt_entries);\n av_freep(&gxf->map_offsets);\n return 0;\n}', 'static int gxf_write_map_packet(AVFormatContext *s, int rewrite)\n{\n GXFContext *gxf = s->priv_data;\n AVIOContext *pb = s->pb;\n int64_t pos = avio_tell(pb);\n if (!rewrite) {\n if (!(gxf->map_offsets_nb % 30)) {\n int err;\n if ((err = av_reallocp_array(&gxf->map_offsets,\n gxf->map_offsets_nb + 30,\n sizeof(*gxf->map_offsets))) < 0) {\n gxf->map_offsets_nb = 0;\n av_log(s, AV_LOG_ERROR, "could not realloc map offsets\\n");\n return err;\n }\n }\n gxf->map_offsets[gxf->map_offsets_nb++] = pos;\n }\n gxf_write_packet_header(pb, PKT_MAP);\n avio_w8(pb, 0xE0);\n avio_w8(pb, 0xFF);\n gxf_write_material_data_section(s);\n gxf_write_track_description_section(s);\n return updatePacketSize(pb, pos);\n}'] |
16,650 | 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 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_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (pnoinv)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048))) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', '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}'] |
16,651 | 0 | https://github.com/openssl/openssl/blob/d16765919d78a576425272adc0c3fb0b493b1198/apps/dsaparam.c/#L305 | int MAIN(int argc, char **argv)
{
DSA *dsa=NULL;
int i,badops=0,text=0;
BIO *in=NULL,*out=NULL;
int informat,outformat,noout=0,C=0,ret=1;
char *infile,*outfile,*prog,*inrand=NULL;
int numbits= -1,num,genkey=0;
int need_rand=0;
int non_fips_allow = 0;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
#ifdef GENCB_TEST
int timebomb=0;
#endif
apps_startup();
if (bio_err == NULL)
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto end;
infile=NULL;
outfile=NULL;
informat=FORMAT_PEM;
outformat=FORMAT_PEM;
prog=argv[0];
argc--;
argv++;
while (argc >= 1)
{
if (strcmp(*argv,"-inform") == 0)
{
if (--argc < 1) goto bad;
informat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-outform") == 0)
{
if (--argc < 1) goto bad;
outformat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-in") == 0)
{
if (--argc < 1) goto bad;
infile= *(++argv);
}
else if (strcmp(*argv,"-out") == 0)
{
if (--argc < 1) goto bad;
outfile= *(++argv);
}
#ifndef OPENSSL_NO_ENGINE
else if(strcmp(*argv, "-engine") == 0)
{
if (--argc < 1) goto bad;
engine = *(++argv);
}
#endif
#ifdef GENCB_TEST
else if(strcmp(*argv, "-timebomb") == 0)
{
if (--argc < 1) goto bad;
timebomb = atoi(*(++argv));
}
#endif
else if (strcmp(*argv,"-text") == 0)
text=1;
else if (strcmp(*argv,"-C") == 0)
C=1;
else if (strcmp(*argv,"-genkey") == 0)
{
genkey=1;
need_rand=1;
}
else if (strcmp(*argv,"-rand") == 0)
{
if (--argc < 1) goto bad;
inrand= *(++argv);
need_rand=1;
}
else if (strcmp(*argv,"-noout") == 0)
noout=1;
else if (strcmp(*argv,"-non-fips-allow") == 0)
non_fips_allow = 1;
else if (sscanf(*argv,"%d",&num) == 1)
{
numbits=num;
need_rand=1;
}
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
badops=1;
break;
}
argc--;
argv++;
}
if (badops)
{
bad:
BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
BIO_printf(bio_err,"where options are\n");
BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
BIO_printf(bio_err," -in arg input file\n");
BIO_printf(bio_err," -out arg output file\n");
BIO_printf(bio_err," -text print as text\n");
BIO_printf(bio_err," -C Output C code\n");
BIO_printf(bio_err," -noout no output\n");
BIO_printf(bio_err," -genkey generate a DSA key\n");
BIO_printf(bio_err," -rand files to use for random number input\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
#endif
#ifdef GENCB_TEST
BIO_printf(bio_err," -timebomb n interrupt keygen after <n> seconds\n");
#endif
BIO_printf(bio_err," number number of bits to use for generating private key\n");
goto end;
}
ERR_load_crypto_strings();
in=BIO_new(BIO_s_file());
out=BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL))
{
ERR_print_errors(bio_err);
goto end;
}
if (infile == NULL)
BIO_set_fp(in,stdin,BIO_NOCLOSE);
else
{
if (BIO_read_filename(in,infile) <= 0)
{
perror(infile);
goto end;
}
}
if (outfile == NULL)
{
BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
else
{
if (BIO_write_filename(out,outfile) <= 0)
{
perror(outfile);
goto end;
}
}
#ifndef OPENSSL_NO_ENGINE
setup_engine(bio_err, engine, 0);
#endif
if (need_rand)
{
app_RAND_load_file(NULL, bio_err, (inrand != NULL));
if (inrand != NULL)
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
}
if (numbits > 0)
{
BN_GENCB cb;
BN_GENCB_set(&cb, dsa_cb, bio_err);
assert(need_rand);
dsa = DSA_new();
if(!dsa)
{
BIO_printf(bio_err,"Error allocating DSA object\n");
goto end;
}
if (non_fips_allow)
dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;
BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
BIO_printf(bio_err,"This could take some time\n");
#ifdef GENCB_TEST
if(timebomb > 0)
{
struct sigaction act;
act.sa_handler = timebomb_sigalarm;
act.sa_flags = 0;
BIO_printf(bio_err,"(though I'll stop it if not done within %d secs)\n",
timebomb);
if(sigaction(SIGALRM, &act, NULL) != 0)
{
BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\n");
goto end;
}
alarm(timebomb);
}
#endif
if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb))
{
#ifdef GENCB_TEST
if(stop_keygen_flag)
{
BIO_printf(bio_err,"DSA key generation time-stopped\n");
ret = 0;
goto end;
}
#endif
ERR_print_errors(bio_err);
BIO_printf(bio_err,"Error, DSA key generation failed\n");
goto end;
}
}
else if (informat == FORMAT_ASN1)
dsa=d2i_DSAparams_bio(in,NULL);
else if (informat == FORMAT_PEM)
dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
else
{
BIO_printf(bio_err,"bad input format specified\n");
goto end;
}
if (dsa == NULL)
{
BIO_printf(bio_err,"unable to load DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
if (text)
{
DSAparams_print(out,dsa);
}
if (C)
{
unsigned char *data;
int l,len,bits_p;
len=BN_num_bytes(dsa->p);
bits_p=BN_num_bits(dsa->p);
data=(unsigned char *)OPENSSL_malloc(len+20);
if (data == NULL)
{
perror("OPENSSL_malloc");
goto end;
}
l=BN_bn2bin(dsa->p,data);
printf("static unsigned char dsa%d_p[]={",bits_p);
for (i=0; i<l; i++)
{
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n");
l=BN_bn2bin(dsa->q,data);
printf("static unsigned char dsa%d_q[]={",bits_p);
for (i=0; i<l; i++)
{
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n");
l=BN_bn2bin(dsa->g,data);
printf("static unsigned char dsa%d_g[]={",bits_p);
for (i=0; i<l; i++)
{
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n\n");
printf("DSA *get_dsa%d()\n\t{\n",bits_p);
printf("\tDSA *dsa;\n\n");
printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
bits_p,bits_p);
printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
bits_p,bits_p);
printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
bits_p,bits_p);
printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
printf("\treturn(dsa);\n\t}\n");
}
if (!noout)
{
if (outformat == FORMAT_ASN1)
i=i2d_DSAparams_bio(out,dsa);
else if (outformat == FORMAT_PEM)
i=PEM_write_bio_DSAparams(out,dsa);
else {
BIO_printf(bio_err,"bad output format specified for outfile\n");
goto end;
}
if (!i)
{
BIO_printf(bio_err,"unable to write DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (genkey)
{
DSA *dsakey;
assert(need_rand);
if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
if (non_fips_allow)
dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;
if (!DSA_generate_key(dsakey))
{
ERR_print_errors(bio_err);
DSA_free(dsakey);
goto end;
}
if (outformat == FORMAT_ASN1)
i=i2d_DSAPrivateKey_bio(out,dsakey);
else if (outformat == FORMAT_PEM)
i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);
else {
BIO_printf(bio_err,"bad output format specified for outfile\n");
DSA_free(dsakey);
goto end;
}
DSA_free(dsakey);
}
if (need_rand)
app_RAND_write_file(NULL, bio_err);
ret=0;
end:
if (in != NULL) BIO_free(in);
if (out != NULL) BIO_free_all(out);
if (dsa != NULL) DSA_free(dsa);
apps_shutdown();
OPENSSL_EXIT(ret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tDSA *dsa=NULL;\n\tint i,badops=0,text=0;\n\tBIO *in=NULL,*out=NULL;\n\tint informat,outformat,noout=0,C=0,ret=1;\n\tchar *infile,*outfile,*prog,*inrand=NULL;\n\tint numbits= -1,num,genkey=0;\n\tint need_rand=0;\n\tint non_fips_allow = 0;\n#ifndef OPENSSL_NO_ENGINE\n\tchar *engine=NULL;\n#endif\n#ifdef GENCB_TEST\n\tint timebomb=0;\n#endif\n\tapps_startup();\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\tif (!load_config(bio_err, NULL))\n\t\tgoto end;\n\tinfile=NULL;\n\toutfile=NULL;\n\tinformat=FORMAT_PEM;\n\toutformat=FORMAT_PEM;\n\tprog=argv[0];\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif \t(strcmp(*argv,"-inform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-outform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\toutformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-in") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-out") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\toutfile= *(++argv);\n\t\t\t}\n#ifndef OPENSSL_NO_ENGINE\n\t\telse if(strcmp(*argv, "-engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tengine = *(++argv);\n\t\t\t}\n#endif\n#ifdef GENCB_TEST\n\t\telse if(strcmp(*argv, "-timebomb") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\ttimebomb = atoi(*(++argv));\n\t\t\t}\n#endif\n\t\telse if (strcmp(*argv,"-text") == 0)\n\t\t\ttext=1;\n\t\telse if (strcmp(*argv,"-C") == 0)\n\t\t\tC=1;\n\t\telse if (strcmp(*argv,"-genkey") == 0)\n\t\t\t{\n\t\t\tgenkey=1;\n\t\t\tneed_rand=1;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-rand") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinrand= *(++argv);\n\t\t\tneed_rand=1;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-noout") == 0)\n\t\t\tnoout=1;\n\t\telse if (strcmp(*argv,"-non-fips-allow") == 0)\n\t\t\tnon_fips_allow = 1;\n\t\telse if (sscanf(*argv,"%d",&num) == 1)\n\t\t\t{\n\t\t\tnumbits=num;\n\t\t\tneed_rand=1;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadops=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badops)\n\t\t{\nbad:\n\t\tBIO_printf(bio_err,"%s [options] [bits] <infile >outfile\\n",prog);\n\t\tBIO_printf(bio_err,"where options are\\n");\n\t\tBIO_printf(bio_err," -inform arg input format - DER or PEM\\n");\n\t\tBIO_printf(bio_err," -outform arg output format - DER or PEM\\n");\n\t\tBIO_printf(bio_err," -in arg input file\\n");\n\t\tBIO_printf(bio_err," -out arg output file\\n");\n\t\tBIO_printf(bio_err," -text print as text\\n");\n\t\tBIO_printf(bio_err," -C Output C code\\n");\n\t\tBIO_printf(bio_err," -noout no output\\n");\n\t\tBIO_printf(bio_err," -genkey generate a DSA key\\n");\n\t\tBIO_printf(bio_err," -rand files to use for random number input\\n");\n#ifndef OPENSSL_NO_ENGINE\n\t\tBIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\\n");\n#endif\n#ifdef GENCB_TEST\n\t\tBIO_printf(bio_err," -timebomb n interrupt keygen after <n> seconds\\n");\n#endif\n\t\tBIO_printf(bio_err," number number of bits to use for generating private key\\n");\n\t\tgoto end;\n\t\t}\n\tERR_load_crypto_strings();\n\tin=BIO_new(BIO_s_file());\n\tout=BIO_new(BIO_s_file());\n\tif ((in == NULL) || (out == NULL))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (infile == NULL)\n\t\tBIO_set_fp(in,stdin,BIO_NOCLOSE);\n\telse\n\t\t{\n\t\tif (BIO_read_filename(in,infile) <= 0)\n\t\t\t{\n\t\t\tperror(infile);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (outfile == NULL)\n\t\t{\n\t\tBIO_set_fp(out,stdout,BIO_NOCLOSE);\n#ifdef OPENSSL_SYS_VMS\n\t\t{\n\t\tBIO *tmpbio = BIO_new(BIO_f_linebuffer());\n\t\tout = BIO_push(tmpbio, out);\n\t\t}\n#endif\n\t\t}\n\telse\n\t\t{\n\t\tif (BIO_write_filename(out,outfile) <= 0)\n\t\t\t{\n\t\t\tperror(outfile);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#ifndef OPENSSL_NO_ENGINE\n setup_engine(bio_err, engine, 0);\n#endif\n\tif (need_rand)\n\t\t{\n\t\tapp_RAND_load_file(NULL, bio_err, (inrand != NULL));\n\t\tif (inrand != NULL)\n\t\t\tBIO_printf(bio_err,"%ld semi-random bytes loaded\\n",\n\t\t\t\tapp_RAND_load_files(inrand));\n\t\t}\n\tif (numbits > 0)\n\t\t{\n\t\tBN_GENCB cb;\n\t\tBN_GENCB_set(&cb, dsa_cb, bio_err);\n\t\tassert(need_rand);\n\t\tdsa = DSA_new();\n\t\tif(!dsa)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Error allocating DSA object\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (non_fips_allow)\n\t\t\tdsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;\n\t\tBIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\\n",num);\n\t BIO_printf(bio_err,"This could take some time\\n");\n#ifdef GENCB_TEST\n\t\tif(timebomb > 0)\n\t{\n\t\tstruct sigaction act;\n\t\tact.sa_handler = timebomb_sigalarm;\n\t\tact.sa_flags = 0;\n\t\tBIO_printf(bio_err,"(though I\'ll stop it if not done within %d secs)\\n",\n\t\t\t\ttimebomb);\n\t\tif(sigaction(SIGALRM, &act, NULL) != 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Error, couldn\'t set SIGALRM handler\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\talarm(timebomb);\n\t}\n#endif\n\t if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb))\n\t\t\t{\n#ifdef GENCB_TEST\n\t\t\tif(stop_keygen_flag)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DSA key generation time-stopped\\n");\n\t\t\t\tret = 0;\n\t\t\t\tgoto end;\n\t\t\t\t}\n#endif\n\t\t\tERR_print_errors(bio_err);\n\t\t\tBIO_printf(bio_err,"Error, DSA key generation failed\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\telse if\t(informat == FORMAT_ASN1)\n\t\tdsa=d2i_DSAparams_bio(in,NULL);\n\telse if (informat == FORMAT_PEM)\n\t\tdsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);\n\telse\n\t\t{\n\t\tBIO_printf(bio_err,"bad input format specified\\n");\n\t\tgoto end;\n\t\t}\n\tif (dsa == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"unable to load DSA parameters\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (text)\n\t\t{\n\t\tDSAparams_print(out,dsa);\n\t\t}\n\tif (C)\n\t\t{\n\t\tunsigned char *data;\n\t\tint l,len,bits_p;\n\t\tlen=BN_num_bytes(dsa->p);\n\t\tbits_p=BN_num_bits(dsa->p);\n\t\tdata=(unsigned char *)OPENSSL_malloc(len+20);\n\t\tif (data == NULL)\n\t\t\t{\n\t\t\tperror("OPENSSL_malloc");\n\t\t\tgoto end;\n\t\t\t}\n\t\tl=BN_bn2bin(dsa->p,data);\n\t\tprintf("static unsigned char dsa%d_p[]={",bits_p);\n\t\tfor (i=0; i<l; i++)\n\t\t\t{\n\t\t\tif ((i%12) == 0) printf("\\n\\t");\n\t\t\tprintf("0x%02X,",data[i]);\n\t\t\t}\n\t\tprintf("\\n\\t};\\n");\n\t\tl=BN_bn2bin(dsa->q,data);\n\t\tprintf("static unsigned char dsa%d_q[]={",bits_p);\n\t\tfor (i=0; i<l; i++)\n\t\t\t{\n\t\t\tif ((i%12) == 0) printf("\\n\\t");\n\t\t\tprintf("0x%02X,",data[i]);\n\t\t\t}\n\t\tprintf("\\n\\t};\\n");\n\t\tl=BN_bn2bin(dsa->g,data);\n\t\tprintf("static unsigned char dsa%d_g[]={",bits_p);\n\t\tfor (i=0; i<l; i++)\n\t\t\t{\n\t\t\tif ((i%12) == 0) printf("\\n\\t");\n\t\t\tprintf("0x%02X,",data[i]);\n\t\t\t}\n\t\tprintf("\\n\\t};\\n\\n");\n\t\tprintf("DSA *get_dsa%d()\\n\\t{\\n",bits_p);\n\t\tprintf("\\tDSA *dsa;\\n\\n");\n\t\tprintf("\\tif ((dsa=DSA_new()) == NULL) return(NULL);\\n");\n\t\tprintf("\\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\\n",\n\t\t\tbits_p,bits_p);\n\t\tprintf("\\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\\n",\n\t\t\tbits_p,bits_p);\n\t\tprintf("\\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\\n",\n\t\t\tbits_p,bits_p);\n\t\tprintf("\\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\\n");\n\t\tprintf("\\t\\t{ DSA_free(dsa); return(NULL); }\\n");\n\t\tprintf("\\treturn(dsa);\\n\\t}\\n");\n\t\t}\n\tif (!noout)\n\t\t{\n\t\tif \t(outformat == FORMAT_ASN1)\n\t\t\ti=i2d_DSAparams_bio(out,dsa);\n\t\telse if (outformat == FORMAT_PEM)\n\t\t\ti=PEM_write_bio_DSAparams(out,dsa);\n\t\telse\t{\n\t\t\tBIO_printf(bio_err,"bad output format specified for outfile\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (!i)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unable to write DSA parameters\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (genkey)\n\t\t{\n\t\tDSA *dsakey;\n\t\tassert(need_rand);\n\t\tif ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;\n\t\tif (non_fips_allow)\n\t\t\tdsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;\n\t\tif (!DSA_generate_key(dsakey))\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tDSA_free(dsakey);\n\t\t\tgoto end;\n\t\t\t}\n\t\tif \t(outformat == FORMAT_ASN1)\n\t\t\ti=i2d_DSAPrivateKey_bio(out,dsakey);\n\t\telse if (outformat == FORMAT_PEM)\n\t\t\ti=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);\n\t\telse\t{\n\t\t\tBIO_printf(bio_err,"bad output format specified for outfile\\n");\n\t\t\tDSA_free(dsakey);\n\t\t\tgoto end;\n\t\t\t}\n\t\tDSA_free(dsakey);\n\t\t}\n\tif (need_rand)\n\t\tapp_RAND_write_file(NULL, bio_err);\n\tret=0;\nend:\n\tif (in != NULL) BIO_free(in);\n\tif (out != NULL) BIO_free_all(out);\n\tif (dsa != NULL) DSA_free(dsa);\n\tapps_shutdown();\n\tOPENSSL_EXIT(ret);\n\t}'] |
16,652 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L243 | static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
LOAD_LEFT_EDGE
src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
src[1+0*stride]=
src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
src[2+0*stride]=
src[1+1*stride]=
src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;
src[3+0*stride]=
src[2+1*stride]=
src[1+2*stride]=
src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;
src[3+1*stride]=
src[2+2*stride]=
src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;
src[3+2*stride]=
src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;
src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;
} | ['static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){\n LOAD_TOP_EDGE\n LOAD_TOP_RIGHT_EDGE\n LOAD_LEFT_EDGE\n src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;\n src[1+0*stride]=\n src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;\n src[2+0*stride]=\n src[1+1*stride]=\n src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;\n src[3+0*stride]=\n src[2+1*stride]=\n src[1+2*stride]=\n src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;\n src[3+1*stride]=\n src[2+2*stride]=\n src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;\n src[3+2*stride]=\n src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;\n src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;\n}'] |
16,653 | 0 | https://github.com/openssl/openssl/blob/e0a8d1f94e018f8761cd026ff317b7e0cd80242e/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return((void *)ret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tint off=0;\n\tSSL *con=NULL,*con2=NULL;\n\tX509_STORE *store = NULL;\n\tint s,k,width,state=0;\n\tchar *cbuf=NULL,*sbuf=NULL;\n\tint cbuf_len,cbuf_off;\n\tint sbuf_len,sbuf_off;\n\tfd_set readfds,writefds;\n\tshort port=PORT;\n\tint full_log=1;\n\tchar *host=SSL_HOST_NAME;\n\tchar *cert_file=NULL,*key_file=NULL;\n\tchar *CApath=NULL,*CAfile=NULL,*cipher=NULL;\n\tint reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;\n\tint crlf=0;\n\tint write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;\n\tSSL_CTX *ctx=NULL;\n\tint ret=1,in_init=1,i,nbio_test=0;\n\tint prexit = 0, vflags = 0;\n\tSSL_METHOD *meth=NULL;\n\tBIO *sbio;\n\tchar *inrand=NULL;\n\tchar *engine_id=NULL;\n\tENGINE *e=NULL;\n#ifdef OPENSSL_SYS_WINDOWS\n\tstruct timeval tv;\n#endif\n#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv23_client_method();\n#elif !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv3_client_method();\n#elif !defined(OPENSSL_NO_SSL2)\n\tmeth=SSLv2_client_method();\n#endif\n\tapps_startup();\n\tc_Pause=0;\n\tc_quiet=0;\n\tc_ign_eof=0;\n\tc_debug=0;\n\tc_showcerts=0;\n\tif (bio_err == NULL)\n\t\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n\tif (\t((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tverify_depth=0;\n\tverify_error=X509_V_OK;\n#ifdef FIONBIO\n\tc_nbio=0;\n#endif\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif\t(strcmp(*argv,"-host") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\thost= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-port") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tport=atoi(*(++argv));\n\t\t\tif (port == 0) goto bad;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-connect") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tif (!extract_host_port(*(++argv),&host,NULL,&port))\n\t\t\t\tgoto bad;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-verify") == 0)\n\t\t\t{\n\t\t\tverify=SSL_VERIFY_PEER;\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tverify_depth=atoi(*(++argv));\n\t\t\tBIO_printf(bio_err,"verify depth is %d\\n",verify_depth);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcert_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-crl_check") == 0)\n\t\t\tvflags |= X509_V_FLAG_CRL_CHECK;\n\t\telse if\t(strcmp(*argv,"-crl_check_all") == 0)\n\t\t\tvflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;\n\t\telse if\t(strcmp(*argv,"-prexit") == 0)\n\t\t\tprexit=1;\n\t\telse if\t(strcmp(*argv,"-crlf") == 0)\n\t\t\tcrlf=1;\n\t\telse if\t(strcmp(*argv,"-quiet") == 0)\n\t\t\t{\n\t\t\tc_quiet=1;\n\t\t\tc_ign_eof=1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-ign_eof") == 0)\n\t\t\tc_ign_eof=1;\n\t\telse if\t(strcmp(*argv,"-pause") == 0)\n\t\t\tc_Pause=1;\n\t\telse if\t(strcmp(*argv,"-debug") == 0)\n\t\t\tc_debug=1;\n\t\telse if\t(strcmp(*argv,"-showcerts") == 0)\n\t\t\tc_showcerts=1;\n\t\telse if\t(strcmp(*argv,"-nbio_test") == 0)\n\t\t\tnbio_test=1;\n\t\telse if\t(strcmp(*argv,"-state") == 0)\n\t\t\tstate=1;\n#ifndef OPENSSL_NO_SSL2\n\t\telse if\t(strcmp(*argv,"-ssl2") == 0)\n\t\t\tmeth=SSLv2_client_method();\n#endif\n#ifndef OPENSSL_NO_SSL3\n\t\telse if\t(strcmp(*argv,"-ssl3") == 0)\n\t\t\tmeth=SSLv3_client_method();\n#endif\n#ifndef OPENSSL_NO_TLS1\n\t\telse if\t(strcmp(*argv,"-tls1") == 0)\n\t\t\tmeth=TLSv1_client_method();\n#endif\n\t\telse if (strcmp(*argv,"-bugs") == 0)\n\t\t\tbugs=1;\n\t\telse if\t(strcmp(*argv,"-key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-reconnect") == 0)\n\t\t\t{\n\t\t\treconnect=5;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CApath") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCApath= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CAfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-no_tls1") == 0)\n\t\t\toff|=SSL_OP_NO_TLSv1;\n\t\telse if (strcmp(*argv,"-no_ssl3") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv3;\n\t\telse if (strcmp(*argv,"-no_ssl2") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv2;\n\t\telse if (strcmp(*argv,"-serverpref") == 0)\n\t\t\toff|=SSL_OP_CIPHER_SERVER_PREFERENCE;\n\t\telse if\t(strcmp(*argv,"-cipher") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcipher= *(++argv);\n\t\t\t}\n#ifdef FIONBIO\n\t\telse if (strcmp(*argv,"-nbio") == 0)\n\t\t\t{ c_nbio=1; }\n#endif\n\t\telse if\t(strcmp(*argv,"-engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tengine_id = *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-rand") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinrand= *(++argv);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadop=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badop)\n\t\t{\nbad:\n\t\tsc_usage();\n\t\tgoto end;\n\t\t}\n\tif (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL\n\t\t&& !RAND_status())\n\t\t{\n\t\tBIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\\n");\n\t\t}\n\tif (inrand != NULL)\n\t\tBIO_printf(bio_err,"%ld semi-random bytes loaded\\n",\n\t\t\tapp_RAND_load_files(inrand));\n\tif (bio_c_out == NULL)\n\t\t{\n\t\tif (c_quiet)\n\t\t\t{\n\t\t\tbio_c_out=BIO_new(BIO_s_null());\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bio_c_out == NULL)\n\t\t\t\tbio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);\n\t\t\t}\n\t\t}\n\tOpenSSL_add_ssl_algorithms();\n\tSSL_load_error_strings();\n e = setup_engine(bio_err, engine_id, 1);\n\tctx=SSL_CTX_new(meth);\n\tif (ctx == NULL)\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (bugs)\n\t\tSSL_CTX_set_options(ctx,SSL_OP_ALL|off);\n\telse\n\t\tSSL_CTX_set_options(ctx,off);\n\tif (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);\n\tif (cipher != NULL)\n\t\tif(!SSL_CTX_set_cipher_list(ctx,cipher)) {\n\t\tBIO_printf(bio_err,"error setting cipher list\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t}\n#if 0\n\telse\n\t\tSSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));\n#endif\n\tSSL_CTX_set_verify(ctx,verify,verify_callback);\n\tif (!set_cert_stuff(ctx,cert_file,key_file))\n\t\tgoto end;\n\tif ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(ctx)))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n\tstore = SSL_CTX_get_cert_store(ctx);\n\tX509_STORE_set_flags(store, vflags);\n\tcon=SSL_new(ctx);\n#ifndef OPENSSL_NO_KRB5\n\tif (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)\n {\n kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);\n\t\t}\n#endif\nre_start:\n\tif (init_client(&s,host,port) == 0)\n\t\t{\n\t\tBIO_printf(bio_err,"connect:errno=%d\\n",get_last_socket_error());\n\t\tSHUTDOWN(s);\n\t\tgoto end;\n\t\t}\n\tBIO_printf(bio_c_out,"CONNECTED(%08X)\\n",s);\n#ifdef FIONBIO\n\tif (c_nbio)\n\t\t{\n\t\tunsigned long l=1;\n\t\tBIO_printf(bio_c_out,"turning on non blocking io\\n");\n\t\tif (BIO_socket_ioctl(s,FIONBIO,&l) < 0)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (c_Pause & 0x01) con->debug=1;\n\tsbio=BIO_new_socket(s,BIO_NOCLOSE);\n\tif (nbio_test)\n\t\t{\n\t\tBIO *test;\n\t\ttest=BIO_new(BIO_f_nbio_test());\n\t\tsbio=BIO_push(test,sbio);\n\t\t}\n\tif (c_debug)\n\t\t{\n\t\tcon->debug=1;\n\t\tBIO_set_callback(sbio,bio_dump_cb);\n\t\tBIO_set_callback_arg(sbio,bio_c_out);\n\t\t}\n\tSSL_set_bio(con,sbio,sbio);\n\tSSL_set_connect_state(con);\n\twidth=SSL_get_fd(con)+1;\n\tread_tty=1;\n\twrite_tty=0;\n\ttty_on=0;\n\tread_ssl=1;\n\twrite_ssl=1;\n\tcbuf_len=0;\n\tcbuf_off=0;\n\tsbuf_len=0;\n\tsbuf_off=0;\n\tfor (;;)\n\t\t{\n\t\tFD_ZERO(&readfds);\n\t\tFD_ZERO(&writefds);\n\t\tif (SSL_in_init(con) && !SSL_total_renegotiations(con))\n\t\t\t{\n\t\t\tin_init=1;\n\t\t\ttty_on=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\ttty_on=1;\n\t\t\tif (in_init)\n\t\t\t\t{\n\t\t\t\tin_init=0;\n\t\t\t\tprint_stuff(bio_c_out,con,full_log);\n\t\t\t\tif (full_log > 0) full_log--;\n\t\t\t\tif (reconnect)\n\t\t\t\t\t{\n\t\t\t\t\treconnect--;\n\t\t\t\t\tBIO_printf(bio_c_out,"drop connection and then reconnect\\n");\n\t\t\t\t\tSSL_shutdown(con);\n\t\t\t\t\tSSL_set_connect_state(con);\n\t\t\t\t\tSHUTDOWN(SSL_get_fd(con));\n\t\t\t\t\tgoto re_start;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tssl_pending = read_ssl && SSL_pending(con);\n\t\tif (!ssl_pending)\n\t\t\t{\n#ifndef OPENSSL_SYS_WINDOWS\n\t\t\tif (tty_on)\n\t\t\t\t{\n\t\t\t\tif (read_tty) FD_SET(fileno(stdin),&readfds);\n\t\t\t\tif (write_tty) FD_SET(fileno(stdout),&writefds);\n\t\t\t\t}\n\t\t\tif (read_ssl)\n\t\t\t\tFD_SET(SSL_get_fd(con),&readfds);\n\t\t\tif (write_ssl)\n\t\t\t\tFD_SET(SSL_get_fd(con),&writefds);\n#else\n\t\t\tif(!tty_on || !write_tty) {\n\t\t\t\tif (read_ssl)\n\t\t\t\t\tFD_SET(SSL_get_fd(con),&readfds);\n\t\t\t\tif (write_ssl)\n\t\t\t\t\tFD_SET(SSL_get_fd(con),&writefds);\n\t\t\t}\n#endif\n#ifdef OPENSSL_SYS_WINDOWS\n\t\t\ti=0;\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\t NULL,&tv);\n\t\t\t\t\tif(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t NULL,NULL);\n\t\t\t}\n#else\n\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t NULL,NULL);\n#endif\n\t\t\tif ( i < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"bad select %d\\n",\n\t\t\t\tget_last_socket_error());\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n\t\tif (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))\n\t\t\t{\n\t\t\tk=SSL_write(con,&(cbuf[cbuf_off]),\n\t\t\t\t(unsigned int)cbuf_len);\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tcbuf_off+=k;\n\t\t\t\tcbuf_len-=k;\n\t\t\t\tif (k <= 0) goto end;\n\t\t\t\tif (cbuf_len <= 0)\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=0;\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"write W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"write R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_ssl=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"write X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tif (cbuf_len != 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_c_out,"shutdown\\n");\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tif ((k != 0) || (cbuf_len != 0))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"write:errno=%d\\n",\n\t\t\t\t\t\tget_last_socket_error());\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#ifdef OPENSSL_SYS_WINDOWS\n\t\telse if (!ssl_pending && write_tty)\n#else\n\t\telse if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))\n#endif\n\t\t\t{\n#ifdef CHARSET_EBCDIC\n\t\t\tascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);\n#endif\n\t\t\ti=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);\n\t\t\tif (i <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_c_out,"DONE\\n");\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tsbuf_len-=i;;\n\t\t\tsbuf_off+=i;\n\t\t\tif (sbuf_len <= 0)\n\t\t\t\t{\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_tty=0;\n\t\t\t\t}\n\t\t\t}\n\t\telse if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))\n\t\t\t{\n#ifdef RENEG\n{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }\n#endif\n#if 1\n\t\t\tk=SSL_read(con,sbuf,1024 );\n#else\n\t\t\tk=SSL_read(con,sbuf,16);\n{ char zbuf[10240];\nprintf("read=%d pending=%d peek=%d\\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));\n}\n#endif\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tif (k <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\tsbuf_off=0;\n\t\t\t\tsbuf_len=k;\n\t\t\t\tread_ssl=0;\n\t\t\t\twrite_tty=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"read W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"read R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\tif ((read_tty == 0) && (write_ssl == 0))\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"read X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tBIO_printf(bio_err,"read:errno=%d\\n",get_last_socket_error());\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tBIO_printf(bio_c_out,"closed\\n");\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#ifdef OPENSSL_SYS_WINDOWS\n\t\telse if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))\n#else\n\t\telse if (FD_ISSET(fileno(stdin),&readfds))\n#endif\n\t\t\t{\n\t\t\tif (crlf)\n\t\t\t\t{\n\t\t\t\tint j, lf_num;\n\t\t\t\ti=read(fileno(stdin),cbuf,BUFSIZZ/2);\n\t\t\t\tlf_num = 0;\n\t\t\t\tfor (j = 0; j < i; j++)\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\tlf_num++;\n\t\t\t\tfor (j = i-1; j >= 0; j--)\n\t\t\t\t\t{\n\t\t\t\t\tcbuf[j+lf_num] = cbuf[j];\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\t{\n\t\t\t\t\t\tlf_num--;\n\t\t\t\t\t\ti++;\n\t\t\t\t\t\tcbuf[j+lf_num] = \'\\r\';\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\tassert(lf_num == 0);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\ti=read(fileno(stdin),cbuf,BUFSIZZ);\n\t\t\tif ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == \'Q\')))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DONE\\n");\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tif ((!c_ign_eof) && (cbuf[0] == \'R\'))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RENEGOTIATING\\n");\n\t\t\t\tSSL_renegotiate(con);\n\t\t\t\tcbuf_len=0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tcbuf_len=i;\n\t\t\t\tcbuf_off=0;\n#ifdef CHARSET_EBCDIC\n\t\t\t\tebcdic2ascii(cbuf, cbuf, i);\n#endif\n\t\t\t\t}\n\t\t\twrite_ssl=1;\n\t\t\tread_tty=0;\n\t\t\t}\n\t\t}\nshut:\n\tSSL_shutdown(con);\n\tSHUTDOWN(SSL_get_fd(con));\n\tret=0;\nend:\n\tif(prexit) print_stuff(bio_c_out,con,1);\n\tif (con != NULL) SSL_free(con);\n\tif (con2 != NULL) SSL_free(con2);\n\tif (ctx != NULL) SSL_CTX_free(ctx);\n\tif (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); OPENSSL_free(cbuf); }\n\tif (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); OPENSSL_free(sbuf); }\n\tif (bio_c_out != NULL)\n\t\t{\n\t\tBIO_free(bio_c_out);\n\t\tbio_c_out=NULL;\n\t\t}\n\tEXIT(ret);\n\t}', 'SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)\n\t{\n\tSSL_CTX *ret=NULL;\n\tif (meth == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);\n\t\treturn(NULL);\n\t\t}\n\tif (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);\n\t\tgoto err;\n\t\t}\n\tret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));\n\tif (ret == NULL)\n\t\tgoto err;\n\tmemset(ret,0,sizeof(SSL_CTX));\n\tret->method=meth;\n\tret->cert_store=NULL;\n\tret->session_cache_mode=SSL_SESS_CACHE_SERVER;\n\tret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;\n\tret->session_cache_head=NULL;\n\tret->session_cache_tail=NULL;\n\tret->session_timeout=meth->get_timeout();\n\tret->new_session_cb=NULL;\n\tret->remove_session_cb=NULL;\n\tret->get_session_cb=NULL;\n\tret->generate_session_id=NULL;\n\tmemset((char *)&ret->stats,0,sizeof(ret->stats));\n\tret->references=1;\n\tret->quiet_shutdown=0;\n\tret->info_callback=NULL;\n\tret->app_verify_callback=NULL;\n\tret->app_verify_arg=NULL;\n\tret->read_ahead=0;\n\tret->verify_mode=SSL_VERIFY_NONE;\n\tret->verify_depth=-1;\n\tret->default_verify_callback=NULL;\n\tif ((ret->cert=ssl_cert_new()) == NULL)\n\t\tgoto err;\n\tret->default_passwd_callback=NULL;\n\tret->default_passwd_callback_userdata=NULL;\n\tret->client_cert_cb=NULL;\n\tret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),\n\t\t\tLHASH_COMP_FN(SSL_SESSION_cmp));\n\tif (ret->sessions == NULL) goto err;\n\tret->cert_store=X509_STORE_new();\n\tif (ret->cert_store == NULL) goto err;\n\tssl_create_cipher_list(ret->method,\n\t\t&ret->cipher_list,&ret->cipher_list_by_id,\n\t\tSSL_DEFAULT_CIPHER_LIST);\n\tif (ret->cipher_list == NULL\n\t || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)\n\t\tgoto err;\n\tCRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);\n\tret->extra_certs=NULL;\n\tret->comp_methods=SSL_COMP_get_compression_methods();\n\treturn(ret);\nerr:\n\tSSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);\nerr2:\n\tif (ret != NULL) SSL_CTX_free(ret);\n\treturn(NULL);\n\t}', 'LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c)\n\t{\n\tLHASH *ret;\n\tint i;\n\tif ((ret=(LHASH *)OPENSSL_malloc(sizeof(LHASH))) == NULL)\n\t\tgoto err0;\n\tif ((ret->b=(LHASH_NODE **)OPENSSL_malloc(sizeof(LHASH_NODE *)*MIN_NODES)) == NULL)\n\t\tgoto err1;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->b[i]=NULL;\n\tret->comp=((c == NULL)?(LHASH_COMP_FN_TYPE)strcmp:c);\n\tret->hash=((h == NULL)?(LHASH_HASH_FN_TYPE)lh_strhash:h);\n\tret->num_nodes=MIN_NODES/2;\n\tret->num_alloc_nodes=MIN_NODES;\n\tret->p=0;\n\tret->pmax=MIN_NODES/2;\n\tret->up_load=UP_LOAD;\n\tret->down_load=DOWN_LOAD;\n\tret->num_items=0;\n\tret->num_expands=0;\n\tret->num_expand_reallocs=0;\n\tret->num_contracts=0;\n\tret->num_contract_reallocs=0;\n\tret->num_hash_calls=0;\n\tret->num_comp_calls=0;\n\tret->num_insert=0;\n\tret->num_replace=0;\n\tret->num_delete=0;\n\tret->num_no_delete=0;\n\tret->num_retrieve=0;\n\tret->num_retrieve_miss=0;\n\tret->num_hash_comps=0;\n\tret->error=0;\n\treturn(ret);\nerr1:\n\tOPENSSL_free(ret);\nerr0:\n\treturn(NULL);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)OPENSSL_malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n#ifndef\tOPENSSL_NO_KRB5\n\ts->kssl_ctx = kssl_ctx_new();\n#endif\n\tif (ctx->cert != NULL)\n\t\t{\n\t\ts->cert = ssl_cert_dup(ctx->cert);\n\t\tif (s->cert == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->sid_ctx_length=ctx->sid_ctx_length;\n\tmemcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));\n\ts->verify_mode=ctx->verify_mode;\n\ts->verify_depth=ctx->verify_depth;\n\ts->verify_callback=ctx->default_verify_callback;\n\ts->generate_session_id=ctx->generate_session_id;\n\ts->purpose = ctx->purpose;\n\ts->trust = ctx->trust;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\tgoto err;\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\ts->options=ctx->options;\n\ts->mode=ctx->mode;\n\ts->read_ahead=ctx->read_ahead;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(ssl_meth,s,&s->ex_data);\n\treturn(s);\nerr:\n\tif (s != NULL)\n\t\t{\n\t\tif (s->cert != NULL)\n\t\t\tssl_cert_free(s->cert);\n\t\tif (s->ctx != NULL)\n\t\t\tSSL_CTX_free(s->ctx);\n\t\tOPENSSL_free(s);\n\t\t}\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'int SSL_clear(SSL *s)\n\t{\n\tint state;\n\tif (s->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);\n\t\treturn(0);\n\t\t}\n\ts->error=0;\n\ts->hit=0;\n\ts->shutdown=0;\n#if 0\n\tif (s->new_session) return(1);\n#else\n\tif (s->new_session)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);\n\t\treturn 0;\n\t\t}\n#endif\n\tstate=s->state;\n\ts->type=0;\n\ts->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);\n\ts->version=s->method->version;\n\ts->client_version=s->version;\n\ts->rwstate=SSL_NOTHING;\n\ts->rstate=SSL_ST_READ_HEADER;\n#if 0\n\ts->read_ahead=s->ctx->read_ahead;\n#endif\n\tif (s->init_buf != NULL)\n\t\t{\n\t\tBUF_MEM_free(s->init_buf);\n\t\ts->init_buf=NULL;\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (ssl_clear_bad_session(s))\n\t\t{\n\t\tSSL_SESSION_free(s->session);\n\t\ts->session=NULL;\n\t\t}\n\ts->first_packet=0;\n#if 1\n\tif ((s->session == NULL) && (s->method != s->ctx->method))\n\t\t{\n\t\ts->method->ssl_free(s);\n\t\ts->method=s->ctx->method;\n\t\tif (!s->method->ssl_new(s))\n\t\t\treturn(0);\n\t\t}\n\telse\n#endif\n\t\ts->method->ssl_clear(s);\n\treturn(1);\n\t}', 'int ssl_clear_bad_session(SSL *s)\n\t{\n\tif (\t(s->session != NULL) &&\n\t\t!(s->shutdown & SSL_SENT_SHUTDOWN) &&\n\t\t!(SSL_in_init(s) || SSL_in_before(s)))\n\t\t{\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\treturn(1);\n\t\t}\n\telse\n\t\treturn(0);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\tif (r != NULL)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}'] |
16,654 | 0 | https://github.com/openssl/openssl/blob/49cd47eaababc8c57871b929080fc1357e2ad7b8/ssl/ssl_ciph.c/#L469 | DEFINE_RUN_ONCE_STATIC(do_load_builtin_compressions)
{
SSL_COMP *comp = NULL;
COMP_METHOD *method = COMP_zlib();
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp);
if (COMP_get_type(method) != NID_undef && ssl_comp_methods != NULL) {
comp = OPENSSL_malloc(sizeof(*comp));
if (comp != NULL) {
comp->method = method;
comp->id = SSL_COMP_ZLIB_IDX;
comp->name = COMP_get_name(method);
sk_SSL_COMP_push(ssl_comp_methods, comp);
sk_SSL_COMP_sort(ssl_comp_methods);
}
}
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
return 1;
} | ['DEFINE_RUN_ONCE_STATIC(do_load_builtin_compressions)', 'DEFINE_RUN_ONCE_STATIC(do_load_builtin_compressions)\n{\n SSL_COMP *comp = NULL;\n COMP_METHOD *method = COMP_zlib();\n CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);\n ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp);\n if (COMP_get_type(method) != NID_undef && ssl_comp_methods != NULL) {\n comp = OPENSSL_malloc(sizeof(*comp));\n if (comp != NULL) {\n comp->method = method;\n comp->id = SSL_COMP_ZLIB_IDX;\n comp->name = COMP_get_name(method);\n sk_SSL_COMP_push(ssl_comp_methods, comp);\n sk_SSL_COMP_sort(ssl_comp_methods);\n }\n }\n CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);\n return 1;\n}', 'COMP_METHOD *COMP_zlib(void)\n{\n COMP_METHOD *meth = &zlib_method_nozlib;\n#ifdef ZLIB_SHARED\n# ifndef LIBZ\n# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)\n# define LIBZ "ZLIB1"\n# elif defined(OPENSSL_SYS_VMS)\n# define LIBZ "LIBZ"\n# else\n# define LIBZ "z"\n# endif\n# endif\n if (!zlib_loaded) {\n zlib_dso = DSO_load(NULL, LIBZ, NULL, 0);\n if (zlib_dso != NULL) {\n p_compress = (compress_ft) DSO_bind_func(zlib_dso, "compress");\n p_inflateEnd\n = (inflateEnd_ft) DSO_bind_func(zlib_dso, "inflateEnd");\n p_inflate = (inflate_ft) DSO_bind_func(zlib_dso, "inflate");\n p_inflateInit_\n = (inflateInit__ft) DSO_bind_func(zlib_dso, "inflateInit_");\n p_deflateEnd\n = (deflateEnd_ft) DSO_bind_func(zlib_dso, "deflateEnd");\n p_deflate = (deflate_ft) DSO_bind_func(zlib_dso, "deflate");\n p_deflateInit_\n = (deflateInit__ft) DSO_bind_func(zlib_dso, "deflateInit_");\n p_zError = (zError__ft) DSO_bind_func(zlib_dso, "zError");\n if (p_compress && p_inflateEnd && p_inflate\n && p_inflateInit_ && p_deflateEnd\n && p_deflate && p_deflateInit_ && p_zError)\n zlib_loaded++;\n if (!OPENSSL_init_crypto(OPENSSL_INIT_ZLIB, NULL)) {\n comp_zlib_cleanup_int();\n return meth;\n }\n if (zlib_loaded)\n meth = &zlib_stateful_method;\n }\n }\n#endif\n#if defined(ZLIB)\n meth = &zlib_stateful_method;\n#endif\n return meth;\n}', 'int CRYPTO_mem_ctrl(int mode)\n{\n#ifdef OPENSSL_NO_CRYPTO_MDEBUG\n return mode - mode;\n#else\n int ret = mh_mode;\n if (!RUN_ONCE(&memdbg_init, do_memdbg_init))\n return -1;\n CRYPTO_THREAD_write_lock(memdbg_lock);\n switch (mode) {\n default:\n break;\n case CRYPTO_MEM_CHECK_ON:\n mh_mode = CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE;\n num_disable = 0;\n break;\n case CRYPTO_MEM_CHECK_OFF:\n mh_mode = 0;\n num_disable = 0;\n break;\n case CRYPTO_MEM_CHECK_DISABLE:\n if (mh_mode & CRYPTO_MEM_CHECK_ON) {\n CRYPTO_THREAD_ID cur = CRYPTO_THREAD_get_current_id();\n if (!num_disable\n || !CRYPTO_THREAD_compare_id(disabling_threadid, cur)) {\n CRYPTO_THREAD_unlock(memdbg_lock);\n CRYPTO_THREAD_write_lock(long_memdbg_lock);\n CRYPTO_THREAD_write_lock(memdbg_lock);\n mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;\n disabling_threadid = cur;\n }\n num_disable++;\n }\n break;\n case CRYPTO_MEM_CHECK_ENABLE:\n if (mh_mode & CRYPTO_MEM_CHECK_ON) {\n if (num_disable) {\n num_disable--;\n if (num_disable == 0) {\n mh_mode |= CRYPTO_MEM_CHECK_ENABLE;\n CRYPTO_THREAD_unlock(long_memdbg_lock);\n }\n }\n }\n break;\n }\n CRYPTO_THREAD_unlock(memdbg_lock);\n return ret;\n#endif\n}', 'OPENSSL_STACK *OPENSSL_sk_new(OPENSSL_sk_compfunc c)\n{\n return OPENSSL_sk_new_reserve(c, 0);\n}', 'int COMP_get_type(const COMP_METHOD *meth)\n{\n return meth->type;\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}', 'const char *COMP_get_name(const COMP_METHOD *meth)\n{\n return meth->name;\n}', 'int OPENSSL_sk_push(OPENSSL_STACK *st, const void *data)\n{\n if (st == NULL)\n return -1;\n return OPENSSL_sk_insert(st, data, st->num);\n}', 'int OPENSSL_sk_insert(OPENSSL_STACK *st, const void *data, int loc)\n{\n if (st == NULL || st->num == max_nodes)\n return 0;\n if (!sk_reserve(st, 1, 0))\n return 0;\n if ((loc >= st->num) || (loc < 0)) {\n st->data[st->num] = data;\n } else {\n memmove(&st->data[loc + 1], &st->data[loc],\n sizeof(st->data[0]) * (st->num - loc));\n st->data[loc] = data;\n }\n st->num++;\n st->sorted = 0;\n return st->num;\n}'] |
16,655 | 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;
} | ['static int tls_construct_cke_ecdhe(SSL *s, WPACKET *pkt)\n{\n#ifndef OPENSSL_NO_EC\n unsigned char *encodedPoint = NULL;\n size_t encoded_pt_len = 0;\n EVP_PKEY *ckey = NULL, *skey = NULL;\n int ret = 0;\n skey = s->s3.peer_tmp;\n if (skey == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n ckey = ssl_generate_pkey(skey);\n if (ckey == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (ssl_derive(s, ckey, skey, 0) == 0) {\n goto err;\n }\n encoded_pt_len = EVP_PKEY_get1_tls_encodedpoint(ckey, &encodedPoint);\n if (encoded_pt_len == 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE,\n ERR_R_EC_LIB);\n goto err;\n }\n if (!WPACKET_sub_memcpy_u8(pkt, encodedPoint, encoded_pt_len)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n ret = 1;\n err:\n OPENSSL_free(encodedPoint);\n EVP_PKEY_free(ckey);\n return ret;\n#else\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE,\n ERR_R_INTERNAL_ERROR);\n return 0;\n#endif\n}', 'int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_memcpy(pkt, src, len)\n || !WPACKET_close(pkt))\n return 0;\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n 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_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n unsigned char *dest;\n if (len == 0)\n return 1;\n if (!WPACKET_allocate_bytes(pkt, len, &dest))\n return 0;\n if (dest != NULL)\n memcpy(dest, src, len);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n 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}'] |
16,656 | 0 | https://github.com/openssl/openssl/blob/0185803cc224c8d88ca39ae07c296a4f1854e478/crypto/evp/evp_pbe.c/#L128 | int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
EVP_PBE_KEYGEN *keygen)
{
EVP_PBE_CTL *pbe_tmp;
if (!pbe_algs) pbe_algs = sk_new(pbe_cmp);
if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL)))) {
EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE);
return 0;
}
pbe_tmp->pbe_nid = nid;
pbe_tmp->cipher = cipher;
pbe_tmp->md = md;
pbe_tmp->keygen = keygen;
sk_push (pbe_algs, (char *)pbe_tmp);
return 1;
} | ['int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,\n\t EVP_PBE_KEYGEN *keygen)\n{\n\tEVP_PBE_CTL *pbe_tmp;\n\tif (!pbe_algs) pbe_algs = sk_new(pbe_cmp);\n\tif (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL)))) {\n\t\tEVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE);\n\t\treturn 0;\n\t}\n\tpbe_tmp->pbe_nid = nid;\n\tpbe_tmp->cipher = cipher;\n\tpbe_tmp->md = md;\n\tpbe_tmp->keygen = keygen;\n\tsk_push (pbe_algs, (char *)pbe_tmp);\n\treturn 1;\n}', 'STACK *sk_new(int (*c)(const char * const *, const char * const *))\n\t{\n\tSTACK *ret;\n\tint i;\n\tif ((ret=(STACK *)OPENSSL_malloc(sizeof(STACK))) == NULL)\n\t\tgoto err;\n\tif ((ret->data=(char **)OPENSSL_malloc(sizeof(char *)*MIN_NODES)) == NULL)\n\t\tgoto err;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->data[i]=NULL;\n\tret->comp=c;\n\tret->num_alloc=MIN_NODES;\n\tret->num=0;\n\tret->sorted=0;\n\treturn(ret);\nerr:\n\tif(ret)\n\t\tOPENSSL_free(ret);\n\treturn(NULL);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num < 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'int sk_push(STACK *st, char *data)\n\t{\n\treturn(sk_insert(st,data,st->num));\n\t}'] |
16,657 | 0 | https://github.com/libav/libav/blob/8a49d2bcbe7573bb4b765728b2578fac0d19763f/libavcodec/mss2.c/#L487 | static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MSS2Context *ctx = avctx->priv_data;
MSS12Context *c = &ctx->c;
AVFrame *frame = data;
GetBitContext gb;
GetByteContext gB;
ArithCoder acoder;
int keyframe, has_wmv9, has_mv, is_rle, is_555, ret;
Rectangle wmv9rects[MAX_WMV9_RECTANGLES], *r;
int used_rects = 0, i, implicit_rect = 0, av_uninit(wmv9_mask);
av_assert0(FF_INPUT_BUFFER_PADDING_SIZE >=
ARITH2_PADDING + (MIN_CACHE_BITS + 7) / 8);
init_get_bits(&gb, buf, buf_size * 8);
if (keyframe = get_bits1(&gb))
skip_bits(&gb, 7);
has_wmv9 = get_bits1(&gb);
has_mv = keyframe ? 0 : get_bits1(&gb);
is_rle = get_bits1(&gb);
is_555 = is_rle && get_bits1(&gb);
if (c->slice_split > 0)
ctx->split_position = c->slice_split;
else if (c->slice_split < 0) {
if (get_bits1(&gb)) {
if (get_bits1(&gb)) {
if (get_bits1(&gb))
ctx->split_position = get_bits(&gb, 16);
else
ctx->split_position = get_bits(&gb, 12);
} else
ctx->split_position = get_bits(&gb, 8) << 4;
} else {
if (keyframe)
ctx->split_position = avctx->height / 2;
}
} else
ctx->split_position = avctx->height;
if (c->slice_split && (ctx->split_position < 1 - is_555 ||
ctx->split_position > avctx->height - 1))
return AVERROR_INVALIDDATA;
align_get_bits(&gb);
buf += get_bits_count(&gb) >> 3;
buf_size -= get_bits_count(&gb) >> 3;
if (buf_size < 1)
return AVERROR_INVALIDDATA;
if (is_555 && (has_wmv9 || has_mv || c->slice_split && ctx->split_position))
return AVERROR_INVALIDDATA;
avctx->pix_fmt = is_555 ? AV_PIX_FMT_RGB555 : AV_PIX_FMT_RGB24;
if (ctx->last_pic.format != avctx->pix_fmt)
av_frame_unref(&ctx->last_pic);
if (has_wmv9) {
bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
arith2_init(&acoder, &gB);
implicit_rect = !arith2_get_bit(&acoder);
while (arith2_get_bit(&acoder)) {
if (used_rects == MAX_WMV9_RECTANGLES)
return AVERROR_INVALIDDATA;
r = &wmv9rects[used_rects];
if (!used_rects)
r->x = arith2_get_number(&acoder, avctx->width);
else
r->x = arith2_get_number(&acoder, avctx->width -
wmv9rects[used_rects - 1].x) +
wmv9rects[used_rects - 1].x;
r->y = arith2_get_number(&acoder, avctx->height);
r->w = arith2_get_number(&acoder, avctx->width - r->x) + 1;
r->h = arith2_get_number(&acoder, avctx->height - r->y) + 1;
used_rects++;
}
if (implicit_rect && used_rects) {
av_log(avctx, AV_LOG_ERROR, "implicit_rect && used_rects > 0\n");
return AVERROR_INVALIDDATA;
}
if (implicit_rect) {
wmv9rects[0].x = 0;
wmv9rects[0].y = 0;
wmv9rects[0].w = avctx->width;
wmv9rects[0].h = avctx->height;
used_rects = 1;
}
for (i = 0; i < used_rects; i++) {
if (!implicit_rect && arith2_get_bit(&acoder)) {
av_log(avctx, AV_LOG_ERROR, "Unexpected grandchildren\n");
return AVERROR_INVALIDDATA;
}
if (!i) {
wmv9_mask = arith2_get_bit(&acoder) - 1;
if (!wmv9_mask)
wmv9_mask = arith2_get_number(&acoder, 256);
}
wmv9rects[i].coded = arith2_get_number(&acoder, 2);
}
buf += arith2_get_consumed_bytes(&acoder);
buf_size -= arith2_get_consumed_bytes(&acoder);
if (buf_size < 1)
return AVERROR_INVALIDDATA;
}
c->mvX = c->mvY = 0;
if (keyframe && !is_555) {
if ((i = decode_pal_v2(c, buf, buf_size)) < 0)
return AVERROR_INVALIDDATA;
buf += i;
buf_size -= i;
} else if (has_mv) {
buf += 4;
buf_size -= 4;
if (buf_size < 1)
return AVERROR_INVALIDDATA;
c->mvX = AV_RB16(buf - 4) - avctx->width;
c->mvY = AV_RB16(buf - 2) - avctx->height;
}
if (c->mvX < 0 || c->mvY < 0) {
FFSWAP(uint8_t *, c->pal_pic, c->last_pal_pic);
if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
if (ctx->last_pic.data[0]) {
av_assert0(frame->linesize[0] == ctx->last_pic.linesize[0]);
c->last_rgb_pic = ctx->last_pic.data[0] +
ctx->last_pic.linesize[0] * (avctx->height - 1);
} else {
av_log(avctx, AV_LOG_ERROR, "Missing keyframe\n");
return AVERROR_INVALIDDATA;
}
} else {
if ((ret = ff_reget_buffer(avctx, &ctx->last_pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
if ((ret = av_frame_ref(frame, &ctx->last_pic)) < 0)
return ret;
c->last_rgb_pic = NULL;
}
c->rgb_pic = frame->data[0] +
frame->linesize[0] * (avctx->height - 1);
c->rgb_stride = -frame->linesize[0];
frame->key_frame = keyframe;
frame->pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
if (is_555) {
bytestream2_init(&gB, buf, buf_size);
if (decode_555(&gB, (uint16_t *)c->rgb_pic, c->rgb_stride >> 1,
keyframe, avctx->width, avctx->height))
return AVERROR_INVALIDDATA;
buf_size -= bytestream2_tell(&gB);
} else {
if (keyframe) {
c->corrupted = 0;
ff_mss12_slicecontext_reset(&ctx->sc[0]);
if (c->slice_split)
ff_mss12_slicecontext_reset(&ctx->sc[1]);
}
if (is_rle) {
init_get_bits(&gb, buf, buf_size * 8);
if (ret = decode_rle(&gb, c->pal_pic, c->pal_stride,
c->rgb_pic, c->rgb_stride, c->pal, keyframe,
ctx->split_position, 0,
avctx->width, avctx->height))
return ret;
align_get_bits(&gb);
if (c->slice_split)
if (ret = decode_rle(&gb, c->pal_pic, c->pal_stride,
c->rgb_pic, c->rgb_stride, c->pal, keyframe,
ctx->split_position, 1,
avctx->width, avctx->height))
return ret;
align_get_bits(&gb);
buf += get_bits_count(&gb) >> 3;
buf_size -= get_bits_count(&gb) >> 3;
} else if (!implicit_rect || wmv9_mask != -1) {
if (c->corrupted)
return AVERROR_INVALIDDATA;
bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
arith2_init(&acoder, &gB);
c->keyframe = keyframe;
if (c->corrupted = ff_mss12_decode_rect(&ctx->sc[0], &acoder, 0, 0,
avctx->width,
ctx->split_position))
return AVERROR_INVALIDDATA;
buf += arith2_get_consumed_bytes(&acoder);
buf_size -= arith2_get_consumed_bytes(&acoder);
if (c->slice_split) {
if (buf_size < 1)
return AVERROR_INVALIDDATA;
bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
arith2_init(&acoder, &gB);
if (c->corrupted = ff_mss12_decode_rect(&ctx->sc[1], &acoder, 0,
ctx->split_position,
avctx->width,
avctx->height - ctx->split_position))
return AVERROR_INVALIDDATA;
buf += arith2_get_consumed_bytes(&acoder);
buf_size -= arith2_get_consumed_bytes(&acoder);
}
} else
memset(c->pal_pic, 0, c->pal_stride * avctx->height);
}
if (has_wmv9) {
for (i = 0; i < used_rects; i++) {
int x = wmv9rects[i].x;
int y = wmv9rects[i].y;
int w = wmv9rects[i].w;
int h = wmv9rects[i].h;
if (wmv9rects[i].coded) {
int WMV9codedFrameSize;
if (buf_size < 4 || !(WMV9codedFrameSize = AV_RL24(buf)))
return AVERROR_INVALIDDATA;
if (ret = decode_wmv9(avctx, buf + 3, buf_size - 3,
x, y, w, h, wmv9_mask))
return ret;
buf += WMV9codedFrameSize + 3;
buf_size -= WMV9codedFrameSize + 3;
} else {
uint8_t *dst = c->rgb_pic + y * c->rgb_stride + x * 3;
if (wmv9_mask != -1) {
ctx->dsp.mss2_gray_fill_masked(dst, c->rgb_stride,
wmv9_mask,
c->pal_pic + y * c->pal_stride + x,
c->pal_stride,
w, h);
} else {
do {
memset(dst, 0x80, w * 3);
dst += c->rgb_stride;
} while (--h);
}
}
}
}
if (buf_size)
av_log(avctx, AV_LOG_WARNING, "buffer not fully consumed\n");
if (c->mvX < 0 || c->mvY < 0) {
av_frame_unref(&ctx->last_pic);
ret = av_frame_ref(&ctx->last_pic, frame);
if (ret < 0)
return ret;
}
*got_frame = 1;
return avpkt->size;
} | ['static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,\n AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n MSS2Context *ctx = avctx->priv_data;\n MSS12Context *c = &ctx->c;\n AVFrame *frame = data;\n GetBitContext gb;\n GetByteContext gB;\n ArithCoder acoder;\n int keyframe, has_wmv9, has_mv, is_rle, is_555, ret;\n Rectangle wmv9rects[MAX_WMV9_RECTANGLES], *r;\n int used_rects = 0, i, implicit_rect = 0, av_uninit(wmv9_mask);\n av_assert0(FF_INPUT_BUFFER_PADDING_SIZE >=\n ARITH2_PADDING + (MIN_CACHE_BITS + 7) / 8);\n init_get_bits(&gb, buf, buf_size * 8);\n if (keyframe = get_bits1(&gb))\n skip_bits(&gb, 7);\n has_wmv9 = get_bits1(&gb);\n has_mv = keyframe ? 0 : get_bits1(&gb);\n is_rle = get_bits1(&gb);\n is_555 = is_rle && get_bits1(&gb);\n if (c->slice_split > 0)\n ctx->split_position = c->slice_split;\n else if (c->slice_split < 0) {\n if (get_bits1(&gb)) {\n if (get_bits1(&gb)) {\n if (get_bits1(&gb))\n ctx->split_position = get_bits(&gb, 16);\n else\n ctx->split_position = get_bits(&gb, 12);\n } else\n ctx->split_position = get_bits(&gb, 8) << 4;\n } else {\n if (keyframe)\n ctx->split_position = avctx->height / 2;\n }\n } else\n ctx->split_position = avctx->height;\n if (c->slice_split && (ctx->split_position < 1 - is_555 ||\n ctx->split_position > avctx->height - 1))\n return AVERROR_INVALIDDATA;\n align_get_bits(&gb);\n buf += get_bits_count(&gb) >> 3;\n buf_size -= get_bits_count(&gb) >> 3;\n if (buf_size < 1)\n return AVERROR_INVALIDDATA;\n if (is_555 && (has_wmv9 || has_mv || c->slice_split && ctx->split_position))\n return AVERROR_INVALIDDATA;\n avctx->pix_fmt = is_555 ? AV_PIX_FMT_RGB555 : AV_PIX_FMT_RGB24;\n if (ctx->last_pic.format != avctx->pix_fmt)\n av_frame_unref(&ctx->last_pic);\n if (has_wmv9) {\n bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);\n arith2_init(&acoder, &gB);\n implicit_rect = !arith2_get_bit(&acoder);\n while (arith2_get_bit(&acoder)) {\n if (used_rects == MAX_WMV9_RECTANGLES)\n return AVERROR_INVALIDDATA;\n r = &wmv9rects[used_rects];\n if (!used_rects)\n r->x = arith2_get_number(&acoder, avctx->width);\n else\n r->x = arith2_get_number(&acoder, avctx->width -\n wmv9rects[used_rects - 1].x) +\n wmv9rects[used_rects - 1].x;\n r->y = arith2_get_number(&acoder, avctx->height);\n r->w = arith2_get_number(&acoder, avctx->width - r->x) + 1;\n r->h = arith2_get_number(&acoder, avctx->height - r->y) + 1;\n used_rects++;\n }\n if (implicit_rect && used_rects) {\n av_log(avctx, AV_LOG_ERROR, "implicit_rect && used_rects > 0\\n");\n return AVERROR_INVALIDDATA;\n }\n if (implicit_rect) {\n wmv9rects[0].x = 0;\n wmv9rects[0].y = 0;\n wmv9rects[0].w = avctx->width;\n wmv9rects[0].h = avctx->height;\n used_rects = 1;\n }\n for (i = 0; i < used_rects; i++) {\n if (!implicit_rect && arith2_get_bit(&acoder)) {\n av_log(avctx, AV_LOG_ERROR, "Unexpected grandchildren\\n");\n return AVERROR_INVALIDDATA;\n }\n if (!i) {\n wmv9_mask = arith2_get_bit(&acoder) - 1;\n if (!wmv9_mask)\n wmv9_mask = arith2_get_number(&acoder, 256);\n }\n wmv9rects[i].coded = arith2_get_number(&acoder, 2);\n }\n buf += arith2_get_consumed_bytes(&acoder);\n buf_size -= arith2_get_consumed_bytes(&acoder);\n if (buf_size < 1)\n return AVERROR_INVALIDDATA;\n }\n c->mvX = c->mvY = 0;\n if (keyframe && !is_555) {\n if ((i = decode_pal_v2(c, buf, buf_size)) < 0)\n return AVERROR_INVALIDDATA;\n buf += i;\n buf_size -= i;\n } else if (has_mv) {\n buf += 4;\n buf_size -= 4;\n if (buf_size < 1)\n return AVERROR_INVALIDDATA;\n c->mvX = AV_RB16(buf - 4) - avctx->width;\n c->mvY = AV_RB16(buf - 2) - avctx->height;\n }\n if (c->mvX < 0 || c->mvY < 0) {\n FFSWAP(uint8_t *, c->pal_pic, c->last_pal_pic);\n if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return ret;\n }\n if (ctx->last_pic.data[0]) {\n av_assert0(frame->linesize[0] == ctx->last_pic.linesize[0]);\n c->last_rgb_pic = ctx->last_pic.data[0] +\n ctx->last_pic.linesize[0] * (avctx->height - 1);\n } else {\n av_log(avctx, AV_LOG_ERROR, "Missing keyframe\\n");\n return AVERROR_INVALIDDATA;\n }\n } else {\n if ((ret = ff_reget_buffer(avctx, &ctx->last_pic)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\\n");\n return ret;\n }\n if ((ret = av_frame_ref(frame, &ctx->last_pic)) < 0)\n return ret;\n c->last_rgb_pic = NULL;\n }\n c->rgb_pic = frame->data[0] +\n frame->linesize[0] * (avctx->height - 1);\n c->rgb_stride = -frame->linesize[0];\n frame->key_frame = keyframe;\n frame->pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;\n if (is_555) {\n bytestream2_init(&gB, buf, buf_size);\n if (decode_555(&gB, (uint16_t *)c->rgb_pic, c->rgb_stride >> 1,\n keyframe, avctx->width, avctx->height))\n return AVERROR_INVALIDDATA;\n buf_size -= bytestream2_tell(&gB);\n } else {\n if (keyframe) {\n c->corrupted = 0;\n ff_mss12_slicecontext_reset(&ctx->sc[0]);\n if (c->slice_split)\n ff_mss12_slicecontext_reset(&ctx->sc[1]);\n }\n if (is_rle) {\n init_get_bits(&gb, buf, buf_size * 8);\n if (ret = decode_rle(&gb, c->pal_pic, c->pal_stride,\n c->rgb_pic, c->rgb_stride, c->pal, keyframe,\n ctx->split_position, 0,\n avctx->width, avctx->height))\n return ret;\n align_get_bits(&gb);\n if (c->slice_split)\n if (ret = decode_rle(&gb, c->pal_pic, c->pal_stride,\n c->rgb_pic, c->rgb_stride, c->pal, keyframe,\n ctx->split_position, 1,\n avctx->width, avctx->height))\n return ret;\n align_get_bits(&gb);\n buf += get_bits_count(&gb) >> 3;\n buf_size -= get_bits_count(&gb) >> 3;\n } else if (!implicit_rect || wmv9_mask != -1) {\n if (c->corrupted)\n return AVERROR_INVALIDDATA;\n bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);\n arith2_init(&acoder, &gB);\n c->keyframe = keyframe;\n if (c->corrupted = ff_mss12_decode_rect(&ctx->sc[0], &acoder, 0, 0,\n avctx->width,\n ctx->split_position))\n return AVERROR_INVALIDDATA;\n buf += arith2_get_consumed_bytes(&acoder);\n buf_size -= arith2_get_consumed_bytes(&acoder);\n if (c->slice_split) {\n if (buf_size < 1)\n return AVERROR_INVALIDDATA;\n bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);\n arith2_init(&acoder, &gB);\n if (c->corrupted = ff_mss12_decode_rect(&ctx->sc[1], &acoder, 0,\n ctx->split_position,\n avctx->width,\n avctx->height - ctx->split_position))\n return AVERROR_INVALIDDATA;\n buf += arith2_get_consumed_bytes(&acoder);\n buf_size -= arith2_get_consumed_bytes(&acoder);\n }\n } else\n memset(c->pal_pic, 0, c->pal_stride * avctx->height);\n }\n if (has_wmv9) {\n for (i = 0; i < used_rects; i++) {\n int x = wmv9rects[i].x;\n int y = wmv9rects[i].y;\n int w = wmv9rects[i].w;\n int h = wmv9rects[i].h;\n if (wmv9rects[i].coded) {\n int WMV9codedFrameSize;\n if (buf_size < 4 || !(WMV9codedFrameSize = AV_RL24(buf)))\n return AVERROR_INVALIDDATA;\n if (ret = decode_wmv9(avctx, buf + 3, buf_size - 3,\n x, y, w, h, wmv9_mask))\n return ret;\n buf += WMV9codedFrameSize + 3;\n buf_size -= WMV9codedFrameSize + 3;\n } else {\n uint8_t *dst = c->rgb_pic + y * c->rgb_stride + x * 3;\n if (wmv9_mask != -1) {\n ctx->dsp.mss2_gray_fill_masked(dst, c->rgb_stride,\n wmv9_mask,\n c->pal_pic + y * c->pal_stride + x,\n c->pal_stride,\n w, h);\n } else {\n do {\n memset(dst, 0x80, w * 3);\n dst += c->rgb_stride;\n } while (--h);\n }\n }\n }\n }\n if (buf_size)\n av_log(avctx, AV_LOG_WARNING, "buffer not fully consumed\\n");\n if (c->mvX < 0 || c->mvY < 0) {\n av_frame_unref(&ctx->last_pic);\n ret = av_frame_ref(&ctx->last_pic, frame);\n if (ret < 0)\n return ret;\n }\n *got_frame = 1;\n return avpkt->size;\n}', 'static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,\n int bit_size)\n{\n int buffer_size;\n int ret = 0;\n if (bit_size > INT_MAX - 7 || bit_size < 0 || !buffer) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n ret = AVERROR_INVALIDDATA;\n }\n buffer_size = (bit_size + 7) >> 3;\n s->buffer = buffer;\n s->size_in_bits = bit_size;\n#if !UNCHECKED_BITSTREAM_READER\n s->size_in_bits_plus8 = bit_size + 8;\n#endif\n s->buffer_end = buffer + buffer_size;\n s->index = 0;\n return ret;\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index >> 3];\n#ifdef BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}'] |
16,658 | 0 | https://github.com/nginx/nginx/blob/5c95f885030d6d303415c72d920e635aa7bab822/src/http/ngx_http_core_module.c/#L1269 | ngx_int_t
ngx_http_core_try_files_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
{
size_t len, root, alias, reserve, allocated;
u_char *p, *name;
ngx_str_t path, args;
ngx_uint_t test_dir;
ngx_http_try_file_t *tf;
ngx_open_file_info_t of;
ngx_http_script_code_pt code;
ngx_http_script_engine_t e;
ngx_http_core_loc_conf_t *clcf;
ngx_http_script_len_code_pt lcode;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"try files phase: %ui", r->phase_handler);
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->try_files == NULL) {
r->phase_handler++;
return NGX_AGAIN;
}
allocated = 0;
root = 0;
name = NULL;
path.data = NULL;
tf = clcf->try_files;
alias = clcf->alias;
for ( ;; ) {
if (tf->lengths) {
ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
e.ip = tf->lengths->elts;
e.request = r;
len = 1;
while (*(uintptr_t *) e.ip) {
lcode = *(ngx_http_script_len_code_pt *) e.ip;
len += lcode(&e);
}
} else {
len = tf->name.len;
}
reserve = ngx_abs((ssize_t) (len - r->uri.len)) + alias + 16;
if (reserve > allocated) {
if (ngx_http_map_uri_to_path(r, &path, &root, reserve) == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
name = path.data + root;
allocated = path.len - root - (r->uri.len - alias);
}
if (tf->values == NULL) {
ngx_memcpy(name, tf->name.data, tf->name.len);
path.len = (name + tf->name.len - 1) - path.data;
} else {
e.ip = tf->values->elts;
e.pos = name;
e.flushed = 1;
while (*(uintptr_t *) e.ip) {
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) &e);
}
path.len = e.pos - path.data;
*e.pos = '\0';
if (alias && ngx_strncmp(name, clcf->name.data, alias) == 0) {
ngx_memmove(name, name + alias, len - alias);
path.len -= alias;
}
}
test_dir = tf->test_dir;
tf++;
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"trying to use %s: \"%s\" \"%s\"",
test_dir ? "dir" : "file", name, path.data);
if (tf->lengths == NULL && tf->name.len == 0) {
if (tf->code) {
ngx_http_finalize_request(r, tf->code);
return NGX_OK;
}
path.len -= root;
path.data += root;
if (path.data[0] == '@') {
(void) ngx_http_named_location(r, &path);
} else {
ngx_http_split_args(r, &path, &args);
(void) ngx_http_internal_redirect(r, &path, &args);
}
ngx_http_finalize_request(r, NGX_DONE);
return NGX_OK;
}
ngx_memzero(&of, sizeof(ngx_open_file_info_t));
of.read_ahead = clcf->read_ahead;
of.directio = clcf->directio;
of.valid = clcf->open_file_cache_valid;
of.min_uses = clcf->open_file_cache_min_uses;
of.test_only = 1;
of.errors = clcf->open_file_cache_errors;
of.events = clcf->open_file_cache_events;
if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
!= NGX_OK)
{
if (of.err != NGX_ENOENT
&& of.err != NGX_ENOTDIR
&& of.err != NGX_ENAMETOOLONG)
{
ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
"%s \"%s\" failed", of.failed, path.data);
}
continue;
}
if (of.is_dir && !test_dir) {
continue;
}
path.len -= root;
path.data += root;
if (!alias) {
r->uri = path;
#if (NGX_PCRE)
} else if (clcf->regex) {
if (!test_dir) {
r->uri = path;
r->add_uri_to_alias = 1;
}
#endif
} else {
r->uri.len = alias + path.len;
r->uri.data = ngx_pnalloc(r->pool, r->uri.len);
if (r->uri.data == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
p = ngx_copy(r->uri.data, clcf->name.data, alias);
ngx_memcpy(p, name, path.len);
}
ngx_http_set_exten(r);
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"try file uri: \"%V\"", &r->uri);
r->phase_handler++;
return NGX_AGAIN;
}
} | ['ngx_int_t\nngx_http_core_try_files_phase(ngx_http_request_t *r,\n ngx_http_phase_handler_t *ph)\n{\n size_t len, root, alias, reserve, allocated;\n u_char *p, *name;\n ngx_str_t path, args;\n ngx_uint_t test_dir;\n ngx_http_try_file_t *tf;\n ngx_open_file_info_t of;\n ngx_http_script_code_pt code;\n ngx_http_script_engine_t e;\n ngx_http_core_loc_conf_t *clcf;\n ngx_http_script_len_code_pt lcode;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "try files phase: %ui", r->phase_handler);\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->try_files == NULL) {\n r->phase_handler++;\n return NGX_AGAIN;\n }\n allocated = 0;\n root = 0;\n name = NULL;\n path.data = NULL;\n tf = clcf->try_files;\n alias = clcf->alias;\n for ( ;; ) {\n if (tf->lengths) {\n ngx_memzero(&e, sizeof(ngx_http_script_engine_t));\n e.ip = tf->lengths->elts;\n e.request = r;\n len = 1;\n while (*(uintptr_t *) e.ip) {\n lcode = *(ngx_http_script_len_code_pt *) e.ip;\n len += lcode(&e);\n }\n } else {\n len = tf->name.len;\n }\n reserve = ngx_abs((ssize_t) (len - r->uri.len)) + alias + 16;\n if (reserve > allocated) {\n if (ngx_http_map_uri_to_path(r, &path, &root, reserve) == NULL) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_OK;\n }\n name = path.data + root;\n allocated = path.len - root - (r->uri.len - alias);\n }\n if (tf->values == NULL) {\n ngx_memcpy(name, tf->name.data, tf->name.len);\n path.len = (name + tf->name.len - 1) - path.data;\n } else {\n e.ip = tf->values->elts;\n e.pos = name;\n e.flushed = 1;\n while (*(uintptr_t *) e.ip) {\n code = *(ngx_http_script_code_pt *) e.ip;\n code((ngx_http_script_engine_t *) &e);\n }\n path.len = e.pos - path.data;\n *e.pos = \'\\0\';\n if (alias && ngx_strncmp(name, clcf->name.data, alias) == 0) {\n ngx_memmove(name, name + alias, len - alias);\n path.len -= alias;\n }\n }\n test_dir = tf->test_dir;\n tf++;\n ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "trying to use %s: \\"%s\\" \\"%s\\"",\n test_dir ? "dir" : "file", name, path.data);\n if (tf->lengths == NULL && tf->name.len == 0) {\n if (tf->code) {\n ngx_http_finalize_request(r, tf->code);\n return NGX_OK;\n }\n path.len -= root;\n path.data += root;\n if (path.data[0] == \'@\') {\n (void) ngx_http_named_location(r, &path);\n } else {\n ngx_http_split_args(r, &path, &args);\n (void) ngx_http_internal_redirect(r, &path, &args);\n }\n ngx_http_finalize_request(r, NGX_DONE);\n return NGX_OK;\n }\n ngx_memzero(&of, sizeof(ngx_open_file_info_t));\n of.read_ahead = clcf->read_ahead;\n of.directio = clcf->directio;\n of.valid = clcf->open_file_cache_valid;\n of.min_uses = clcf->open_file_cache_min_uses;\n of.test_only = 1;\n of.errors = clcf->open_file_cache_errors;\n of.events = clcf->open_file_cache_events;\n if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_OK;\n }\n if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)\n != NGX_OK)\n {\n if (of.err != NGX_ENOENT\n && of.err != NGX_ENOTDIR\n && of.err != NGX_ENAMETOOLONG)\n {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,\n "%s \\"%s\\" failed", of.failed, path.data);\n }\n continue;\n }\n if (of.is_dir && !test_dir) {\n continue;\n }\n path.len -= root;\n path.data += root;\n if (!alias) {\n r->uri = path;\n#if (NGX_PCRE)\n } else if (clcf->regex) {\n if (!test_dir) {\n r->uri = path;\n r->add_uri_to_alias = 1;\n }\n#endif\n } else {\n r->uri.len = alias + path.len;\n r->uri.data = ngx_pnalloc(r->pool, r->uri.len);\n if (r->uri.data == NULL) {\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_OK;\n }\n p = ngx_copy(r->uri.data, clcf->name.data, alias);\n ngx_memcpy(p, name, path.len);\n }\n ngx_http_set_exten(r);\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "try file uri: \\"%V\\"", &r->uri);\n r->phase_handler++;\n return NGX_AGAIN;\n }\n}'] |
16,659 | 0 | https://github.com/openssl/openssl/blob/a5a95f8d65c2c616ebee13ae4b33eacde34bb2d3/test/handshake_helper.c/#L93 | static int select_server_ctx(SSL *s, void *arg, int ignore)
{
const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
HANDSHAKE_EX_DATA *ex_data =
(HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
if (servername == NULL) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return SSL_TLSEXT_ERR_NOACK;
}
if (strcmp(servername, "server2") == 0) {
SSL_CTX *new_ctx = (SSL_CTX*)arg;
SSL_set_SSL_CTX(s, new_ctx);
SSL_clear_options(s, 0xFFFFFFFFL);
SSL_set_options(s, SSL_CTX_get_options(new_ctx));
ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
return SSL_TLSEXT_ERR_OK;
} else if (strcmp(servername, "server1") == 0) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return SSL_TLSEXT_ERR_OK;
} else if (ignore) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return SSL_TLSEXT_ERR_NOACK;
} else {
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
} | ['static int select_server_ctx(SSL *s, void *arg, int ignore)\n{\n const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);\n HANDSHAKE_EX_DATA *ex_data =\n (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));\n if (servername == NULL) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_NOACK;\n }\n if (strcmp(servername, "server2") == 0) {\n SSL_CTX *new_ctx = (SSL_CTX*)arg;\n SSL_set_SSL_CTX(s, new_ctx);\n SSL_clear_options(s, 0xFFFFFFFFL);\n SSL_set_options(s, SSL_CTX_get_options(new_ctx));\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;\n return SSL_TLSEXT_ERR_OK;\n } else if (strcmp(servername, "server1") == 0) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_OK;\n } else if (ignore) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_NOACK;\n } else {\n return SSL_TLSEXT_ERR_ALERT_FATAL;\n }\n}', 'const char *SSL_get_servername(const SSL *s, const int type)\n{\n if (type != TLSEXT_NAMETYPE_host_name)\n return NULL;\n return s->session && !s->tlsext_hostname ?\n s->session->tlsext_hostname : s->tlsext_hostname;\n}', 'void *SSL_get_ex_data(const SSL *s, int idx)\n{\n return (CRYPTO_get_ex_data(&s->ex_data, idx));\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n return NULL;\n return sk_void_value(ad->sk, idx);\n}'] |
16,660 | 0 | https://github.com/libav/libav/blob/645e75992d8876a5e0aa056739885d3afd08d431/libavcodec/dv.c/#L150 | static inline void dv_calc_mb_coordinates(const DVprofile *d, int chan, int seq, int slot,
uint16_t *tbl)
{
static const uint8_t off[] = { 2, 6, 8, 0, 4 };
static const uint8_t shuf1[] = { 36, 18, 54, 0, 72 };
static const uint8_t shuf2[] = { 24, 12, 36, 0, 48 };
static const uint8_t shuf3[] = { 18, 9, 27, 0, 36 };
static const uint8_t l_start[] = {0, 4, 9, 13, 18, 22, 27, 31, 36, 40};
static const uint8_t l_start_shuffled[] = { 9, 4, 13, 0, 18 };
static const uint8_t serpent1[] = {0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0,
0, 1, 2};
static const uint8_t serpent2[] = {0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,
0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,
0, 1, 2, 3, 4, 5};
static const uint8_t remap[][2] = {{ 0, 0}, { 0, 0}, { 0, 0}, { 0, 0},
{ 0, 0}, { 0, 1}, { 0, 2}, { 0, 3}, {10, 0},
{10, 1}, {10, 2}, {10, 3}, {20, 0}, {20, 1},
{20, 2}, {20, 3}, {30, 0}, {30, 1}, {30, 2},
{30, 3}, {40, 0}, {40, 1}, {40, 2}, {40, 3},
{50, 0}, {50, 1}, {50, 2}, {50, 3}, {60, 0},
{60, 1}, {60, 2}, {60, 3}, {70, 0}, {70, 1},
{70, 2}, {70, 3}, { 0,64}, { 0,65}, { 0,66},
{10,64}, {10,65}, {10,66}, {20,64}, {20,65},
{20,66}, {30,64}, {30,65}, {30,66}, {40,64},
{40,65}, {40,66}, {50,64}, {50,65}, {50,66},
{60,64}, {60,65}, {60,66}, {70,64}, {70,65},
{70,66}, { 0,67}, {20,67}, {40,67}, {60,67}};
int i, k, m;
int x, y, blk;
for (m=0; m<5; m++) {
switch (d->width) {
case 1440:
blk = (chan*11+seq)*27+slot;
if (chan == 0 && seq == 11) {
x = m*27+slot;
if (x<90) {
y = 0;
} else {
x = (x - 90)*2;
y = 67;
}
} else {
i = (4*chan + blk + off[m])%11;
k = (blk/11)%27;
x = shuf1[m] + (chan&1)*9 + k%9;
y = (i*3+k/9)*2 + (chan>>1) + 1;
}
tbl[m] = (x<<1)|(y<<9);
break;
case 1280:
blk = (chan*10+seq)*27+slot;
i = (4*chan + (seq/5) + 2*blk + off[m])%10;
k = (blk/5)%27;
x = shuf1[m]+(chan&1)*9 + k%9;
y = (i*3+k/9)*2 + (chan>>1) + 4;
if (x >= 80) {
x = remap[y][0]+((x-80)<<(y>59));
y = remap[y][1];
}
tbl[m] = (x<<1)|(y<<9);
break;
case 960:
blk = (chan*10+seq)*27+slot;
i = (4*chan + (seq/5) + 2*blk + off[m])%10;
k = (blk/5)%27 + (i&1)*3;
x = shuf2[m] + k%6 + 6*(chan&1);
y = l_start[i] + k/6 + 45*(chan>>1);
tbl[m] = (x<<1)|(y<<9);
break;
case 720:
switch (d->pix_fmt) {
case PIX_FMT_YUV422P:
x = shuf3[m] + slot/3;
y = serpent1[slot] +
((((seq + off[m]) % d->difseg_size)<<1) + chan)*3;
tbl[m] = (x<<1)|(y<<8);
break;
case PIX_FMT_YUV420P:
x = shuf3[m] + slot/3;
y = serpent1[slot] +
((seq + off[m]) % d->difseg_size)*3;
tbl[m] = (x<<1)|(y<<9);
break;
case PIX_FMT_YUV411P:
i = (seq + off[m]) % d->difseg_size;
k = slot + ((m==1||m==2)?3:0);
x = l_start_shuffled[m] + k/6;
y = serpent2[k] + i*6;
if (x>21)
y = y*2 - i*6;
tbl[m] = (x<<2)|(y<<8);
break;
}
default:
break;
}
}
} | ['static int dvvideo_decode_frame(AVCodecContext *avctx,\n void *data, int *data_size,\n AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n DVVideoContext *s = avctx->priv_data;\n const uint8_t* vsc_pack;\n int apt, is16_9;\n s->sys = ff_dv_frame_profile(s->sys, buf, buf_size);\n if (!s->sys || buf_size < s->sys->frame_size || dv_init_dynamic_tables(s->sys)) {\n av_log(avctx, AV_LOG_ERROR, "could not find dv frame profile\\n");\n return -1;\n }\n if (s->picture.data[0])\n avctx->release_buffer(avctx, &s->picture);\n s->picture.reference = 0;\n s->picture.key_frame = 1;\n s->picture.pict_type = FF_I_TYPE;\n avctx->pix_fmt = s->sys->pix_fmt;\n avctx->time_base = s->sys->time_base;\n avcodec_set_dimensions(avctx, s->sys->width, s->sys->height);\n if (avctx->get_buffer(avctx, &s->picture) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return -1;\n }\n s->picture.interlaced_frame = 1;\n s->picture.top_field_first = 0;\n s->buf = buf;\n avctx->execute(avctx, dv_decode_video_segment, s->sys->work_chunks, NULL,\n dv_work_pool_size(s->sys), sizeof(DVwork_chunk));\n emms_c();\n *data_size = sizeof(AVFrame);\n *(AVFrame*)data = s->picture;\n vsc_pack = buf + 80*5 + 48 + 5;\n if ( *vsc_pack == dv_video_control ) {\n apt = buf[4] & 0x07;\n is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 || (!apt && (vsc_pack[2] & 0x07) == 0x07)));\n avctx->sample_aspect_ratio = s->sys->sar[is16_9];\n }\n return s->sys->frame_size;\n}', 'const DVprofile* ff_dv_frame_profile(const DVprofile *sys,\n const uint8_t* frame, unsigned buf_size)\n{\n int i;\n int dsf = (frame[3] & 0x80) >> 7;\n int stype = frame[80*5 + 48 + 3] & 0x1f;\n if (dsf == 1 && stype == 0 && frame[4] & 0x07 ) {\n return &dv_profiles[2];\n }\n for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)\n if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)\n return &dv_profiles[i];\n if (sys && buf_size == sys->frame_size)\n return sys;\n return NULL;\n}', 'static int dv_init_dynamic_tables(const DVprofile *d)\n{\n int j,i,c,s,p;\n uint32_t *factor1, *factor2;\n const int *iweight1, *iweight2;\n if (!d->work_chunks[dv_work_pool_size(d)-1].buf_offset) {\n p = i = 0;\n for (c=0; c<d->n_difchan; c++) {\n for (s=0; s<d->difseg_size; s++) {\n p += 6;\n for (j=0; j<27; j++) {\n p += !(j%3);\n if (!(DV_PROFILE_IS_1080i50(d) && c != 0 && s == 11) &&\n !(DV_PROFILE_IS_720p50(d) && s > 9)) {\n dv_calc_mb_coordinates(d, c, s, j, &d->work_chunks[i].mb_coordinates[0]);\n d->work_chunks[i++].buf_offset = p;\n }\n p += 5;\n }\n }\n }\n }\n if (!d->idct_factor[DV_PROFILE_IS_HD(d)?8191:5631]) {\n factor1 = &d->idct_factor[0];\n factor2 = &d->idct_factor[DV_PROFILE_IS_HD(d)?4096:2816];\n if (d->height == 720) {\n iweight1 = &dv_iweight_720_y[0];\n iweight2 = &dv_iweight_720_c[0];\n } else {\n iweight1 = &dv_iweight_1080_y[0];\n iweight2 = &dv_iweight_1080_c[0];\n }\n if (DV_PROFILE_IS_HD(d)) {\n for (c = 0; c < 4; c++) {\n for (s = 0; s < 16; s++) {\n for (i = 0; i < 64; i++) {\n *factor1++ = (dv100_qstep[s] << (c + 9)) * iweight1[i];\n *factor2++ = (dv100_qstep[s] << (c + 9)) * iweight2[i];\n }\n }\n }\n } else {\n iweight1 = &dv_iweight_88[0];\n for (j = 0; j < 2; j++, iweight1 = &dv_iweight_248[0]) {\n for (s = 0; s < 22; s++) {\n for (i = c = 0; c < 4; c++) {\n for (; i < dv_quant_areas[c]; i++) {\n *factor1 = iweight1[i] << (dv_quant_shifts[s][c] + 1);\n *factor2++ = (*factor1++) << 1;\n }\n }\n }\n }\n }\n }\n return 0;\n}', 'static inline void dv_calc_mb_coordinates(const DVprofile *d, int chan, int seq, int slot,\n uint16_t *tbl)\n{\n static const uint8_t off[] = { 2, 6, 8, 0, 4 };\n static const uint8_t shuf1[] = { 36, 18, 54, 0, 72 };\n static const uint8_t shuf2[] = { 24, 12, 36, 0, 48 };\n static const uint8_t shuf3[] = { 18, 9, 27, 0, 36 };\n static const uint8_t l_start[] = {0, 4, 9, 13, 18, 22, 27, 31, 36, 40};\n static const uint8_t l_start_shuffled[] = { 9, 4, 13, 0, 18 };\n static const uint8_t serpent1[] = {0, 1, 2, 2, 1, 0,\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2, 2, 1, 0,\n 0, 1, 2};\n static const uint8_t serpent2[] = {0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,\n 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,\n 0, 1, 2, 3, 4, 5};\n static const uint8_t remap[][2] = {{ 0, 0}, { 0, 0}, { 0, 0}, { 0, 0},\n { 0, 0}, { 0, 1}, { 0, 2}, { 0, 3}, {10, 0},\n {10, 1}, {10, 2}, {10, 3}, {20, 0}, {20, 1},\n {20, 2}, {20, 3}, {30, 0}, {30, 1}, {30, 2},\n {30, 3}, {40, 0}, {40, 1}, {40, 2}, {40, 3},\n {50, 0}, {50, 1}, {50, 2}, {50, 3}, {60, 0},\n {60, 1}, {60, 2}, {60, 3}, {70, 0}, {70, 1},\n {70, 2}, {70, 3}, { 0,64}, { 0,65}, { 0,66},\n {10,64}, {10,65}, {10,66}, {20,64}, {20,65},\n {20,66}, {30,64}, {30,65}, {30,66}, {40,64},\n {40,65}, {40,66}, {50,64}, {50,65}, {50,66},\n {60,64}, {60,65}, {60,66}, {70,64}, {70,65},\n {70,66}, { 0,67}, {20,67}, {40,67}, {60,67}};\n int i, k, m;\n int x, y, blk;\n for (m=0; m<5; m++) {\n switch (d->width) {\n case 1440:\n blk = (chan*11+seq)*27+slot;\n if (chan == 0 && seq == 11) {\n x = m*27+slot;\n if (x<90) {\n y = 0;\n } else {\n x = (x - 90)*2;\n y = 67;\n }\n } else {\n i = (4*chan + blk + off[m])%11;\n k = (blk/11)%27;\n x = shuf1[m] + (chan&1)*9 + k%9;\n y = (i*3+k/9)*2 + (chan>>1) + 1;\n }\n tbl[m] = (x<<1)|(y<<9);\n break;\n case 1280:\n blk = (chan*10+seq)*27+slot;\n i = (4*chan + (seq/5) + 2*blk + off[m])%10;\n k = (blk/5)%27;\n x = shuf1[m]+(chan&1)*9 + k%9;\n y = (i*3+k/9)*2 + (chan>>1) + 4;\n if (x >= 80) {\n x = remap[y][0]+((x-80)<<(y>59));\n y = remap[y][1];\n }\n tbl[m] = (x<<1)|(y<<9);\n break;\n case 960:\n blk = (chan*10+seq)*27+slot;\n i = (4*chan + (seq/5) + 2*blk + off[m])%10;\n k = (blk/5)%27 + (i&1)*3;\n x = shuf2[m] + k%6 + 6*(chan&1);\n y = l_start[i] + k/6 + 45*(chan>>1);\n tbl[m] = (x<<1)|(y<<9);\n break;\n case 720:\n switch (d->pix_fmt) {\n case PIX_FMT_YUV422P:\n x = shuf3[m] + slot/3;\n y = serpent1[slot] +\n ((((seq + off[m]) % d->difseg_size)<<1) + chan)*3;\n tbl[m] = (x<<1)|(y<<8);\n break;\n case PIX_FMT_YUV420P:\n x = shuf3[m] + slot/3;\n y = serpent1[slot] +\n ((seq + off[m]) % d->difseg_size)*3;\n tbl[m] = (x<<1)|(y<<9);\n break;\n case PIX_FMT_YUV411P:\n i = (seq + off[m]) % d->difseg_size;\n k = slot + ((m==1||m==2)?3:0);\n x = l_start_shuffled[m] + k/6;\n y = serpent2[k] + i*6;\n if (x>21)\n y = y*2 - i*6;\n tbl[m] = (x<<2)|(y<<8);\n break;\n }\n default:\n break;\n }\n }\n}'] |
16,661 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/apps/speed.c/#L2485 | int MAIN(int argc, char **argv)
{
unsigned char *buf_malloc = NULL, *buf2_malloc = NULL;
unsigned char *buf = NULL, *buf2 = NULL;
int mret = 1;
long count = 0, save_count = 0;
int i, j, k;
# if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
long rsa_count;
# endif
# ifndef OPENSSL_NO_RSA
unsigned rsa_num;
# endif
unsigned char md[EVP_MAX_MD_SIZE];
# ifndef OPENSSL_NO_MD2
unsigned char md2[MD2_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_MDC2
unsigned char mdc2[MDC2_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_MD4
unsigned char md4[MD4_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_MD5
unsigned char md5[MD5_DIGEST_LENGTH];
unsigned char hmac[MD5_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_SHA
unsigned char sha[SHA_DIGEST_LENGTH];
# ifndef OPENSSL_NO_SHA256
unsigned char sha256[SHA256_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_SHA512
unsigned char sha512[SHA512_DIGEST_LENGTH];
# endif
# endif
# ifndef OPENSSL_NO_WHIRLPOOL
unsigned char whirlpool[WHIRLPOOL_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_RMD160
unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];
# endif
# ifndef OPENSSL_NO_RC4
RC4_KEY rc4_ks;
# endif
# ifndef OPENSSL_NO_RC5
RC5_32_KEY rc5_ks;
# endif
# ifndef OPENSSL_NO_RC2
RC2_KEY rc2_ks;
# endif
# ifndef OPENSSL_NO_IDEA
IDEA_KEY_SCHEDULE idea_ks;
# endif
# ifndef OPENSSL_NO_SEED
SEED_KEY_SCHEDULE seed_ks;
# endif
# ifndef OPENSSL_NO_BF
BF_KEY bf_ks;
# endif
# ifndef OPENSSL_NO_CAST
CAST_KEY cast_ks;
# endif
static const unsigned char key16[16] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12
};
# ifndef OPENSSL_NO_AES
static const unsigned char key24[24] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34
};
static const unsigned char key32[32] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,
0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56
};
# endif
# ifndef OPENSSL_NO_CAMELLIA
static const unsigned char ckey24[24] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34
};
static const unsigned char ckey32[32] = {
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,
0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,
0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56
};
# endif
# ifndef OPENSSL_NO_AES
# define MAX_BLOCK_SIZE 128
# else
# define MAX_BLOCK_SIZE 64
# endif
unsigned char DES_iv[8];
unsigned char iv[2 * MAX_BLOCK_SIZE / 8];
# ifndef OPENSSL_NO_DES
static DES_cblock key =
{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };
static DES_cblock key2 =
{ 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12 };
static DES_cblock key3 =
{ 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34 };
DES_key_schedule sch;
DES_key_schedule sch2;
DES_key_schedule sch3;
# endif
# ifndef OPENSSL_NO_AES
AES_KEY aes_ks1, aes_ks2, aes_ks3;
# endif
# ifndef OPENSSL_NO_CAMELLIA
CAMELLIA_KEY camellia_ks1, camellia_ks2, camellia_ks3;
# endif
# define D_MD2 0
# define D_MDC2 1
# define D_MD4 2
# define D_MD5 3
# define D_HMAC 4
# define D_SHA1 5
# define D_RMD160 6
# define D_RC4 7
# define D_CBC_DES 8
# define D_EDE3_DES 9
# define D_CBC_IDEA 10
# define D_CBC_SEED 11
# define D_CBC_RC2 12
# define D_CBC_RC5 13
# define D_CBC_BF 14
# define D_CBC_CAST 15
# define D_CBC_128_AES 16
# define D_CBC_192_AES 17
# define D_CBC_256_AES 18
# define D_CBC_128_CML 19
# define D_CBC_192_CML 20
# define D_CBC_256_CML 21
# define D_EVP 22
# define D_SHA256 23
# define D_SHA512 24
# define D_WHIRLPOOL 25
# define D_IGE_128_AES 26
# define D_IGE_192_AES 27
# define D_IGE_256_AES 28
# define D_GHASH 29
double d = 0.0;
long c[ALGOR_NUM][SIZE_NUM];
# ifndef OPENSSL_SYS_WIN32
# endif
# define R_DSA_512 0
# define R_DSA_1024 1
# define R_DSA_2048 2
# define R_RSA_512 0
# define R_RSA_1024 1
# define R_RSA_2048 2
# define R_RSA_3072 3
# define R_RSA_4096 4
# define R_RSA_7680 5
# define R_RSA_15360 6
# define R_EC_P160 0
# define R_EC_P192 1
# define R_EC_P224 2
# define R_EC_P256 3
# define R_EC_P384 4
# define R_EC_P521 5
# define R_EC_K163 6
# define R_EC_K233 7
# define R_EC_K283 8
# define R_EC_K409 9
# define R_EC_K571 10
# define R_EC_B163 11
# define R_EC_B233 12
# define R_EC_B283 13
# define R_EC_B409 14
# define R_EC_B571 15
# ifndef OPENSSL_NO_RSA
RSA *rsa_key[RSA_NUM];
long rsa_c[RSA_NUM][2];
static unsigned int rsa_bits[RSA_NUM] = {
512, 1024, 2048, 3072, 4096, 7680, 15360
};
static unsigned char *rsa_data[RSA_NUM] = {
test512, test1024, test2048, test3072, test4096, test7680, test15360
};
static int rsa_data_length[RSA_NUM] = {
sizeof(test512), sizeof(test1024),
sizeof(test2048), sizeof(test3072),
sizeof(test4096), sizeof(test7680),
sizeof(test15360)
};
# endif
# ifndef OPENSSL_NO_DSA
DSA *dsa_key[DSA_NUM];
long dsa_c[DSA_NUM][2];
static unsigned int dsa_bits[DSA_NUM] = { 512, 1024, 2048 };
# endif
# ifndef OPENSSL_NO_EC
static unsigned int test_curves[EC_NUM] = {
NID_secp160r1,
NID_X9_62_prime192v1,
NID_secp224r1,
NID_X9_62_prime256v1,
NID_secp384r1,
NID_secp521r1,
NID_sect163k1,
NID_sect233k1,
NID_sect283k1,
NID_sect409k1,
NID_sect571k1,
NID_sect163r2,
NID_sect233r1,
NID_sect283r1,
NID_sect409r1,
NID_sect571r1
};
static const char *test_curves_names[EC_NUM] = {
"secp160r1",
"nistp192",
"nistp224",
"nistp256",
"nistp384",
"nistp521",
"nistk163",
"nistk233",
"nistk283",
"nistk409",
"nistk571",
"nistb163",
"nistb233",
"nistb283",
"nistb409",
"nistb571"
};
static int test_curves_bits[EC_NUM] = {
160, 192, 224, 256, 384, 521,
163, 233, 283, 409, 571,
163, 233, 283, 409, 571
};
# endif
# ifndef OPENSSL_NO_ECDSA
unsigned char ecdsasig[256];
unsigned int ecdsasiglen;
EC_KEY *ecdsa[EC_NUM];
long ecdsa_c[EC_NUM][2];
# endif
# ifndef OPENSSL_NO_ECDH
EC_KEY *ecdh_a[EC_NUM], *ecdh_b[EC_NUM];
unsigned char secret_a[MAX_ECDH_SIZE], secret_b[MAX_ECDH_SIZE];
int secret_size_a, secret_size_b;
int ecdh_checks = 0;
int secret_idx = 0;
long ecdh_c[EC_NUM][2];
# endif
int rsa_doit[RSA_NUM];
int dsa_doit[DSA_NUM];
# ifndef OPENSSL_NO_ECDSA
int ecdsa_doit[EC_NUM];
# endif
# ifndef OPENSSL_NO_ECDH
int ecdh_doit[EC_NUM];
# endif
int doit[ALGOR_NUM];
int pr_header = 0;
const EVP_CIPHER *evp_cipher = NULL;
const EVP_MD *evp_md = NULL;
int decrypt = 0;
# ifndef NO_FORK
int multi = 0;
# endif
int multiblock = 0;
int misalign = MAX_MISALIGNMENT + 1;
# ifndef TIMES
usertime = -1;
# endif
apps_startup();
memset(results, 0, sizeof(results));
# ifndef OPENSSL_NO_DSA
memset(dsa_key, 0, sizeof(dsa_key));
# endif
# ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
ecdsa[i] = NULL;
# endif
# ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++) {
ecdh_a[i] = NULL;
ecdh_b[i] = NULL;
}
# endif
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto end;
# ifndef OPENSSL_NO_RSA
memset(rsa_key, 0, sizeof(rsa_key));
for (i = 0; i < RSA_NUM; i++)
rsa_key[i] = NULL;
# endif
if ((buf_malloc =
(unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {
BIO_printf(bio_err, "out of memory\n");
goto end;
}
if ((buf2_malloc =
(unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {
BIO_printf(bio_err, "out of memory\n");
goto end;
}
misalign = 0;
buf = buf_malloc;
buf2 = buf2_malloc;
memset(c, 0, sizeof(c));
memset(DES_iv, 0, sizeof(DES_iv));
memset(iv, 0, sizeof(iv));
for (i = 0; i < ALGOR_NUM; i++)
doit[i] = 0;
for (i = 0; i < RSA_NUM; i++)
rsa_doit[i] = 0;
for (i = 0; i < DSA_NUM; i++)
dsa_doit[i] = 0;
# ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
ecdsa_doit[i] = 0;
# endif
# ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++)
ecdh_doit[i] = 0;
# endif
j = 0;
argc--;
argv++;
while (argc) {
if ((argc > 0) && (strcmp(*argv, "-elapsed") == 0)) {
usertime = 0;
j--;
} else if ((argc > 0) && (strcmp(*argv, "-evp") == 0)) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no EVP given\n");
goto end;
}
evp_cipher = EVP_get_cipherbyname(*argv);
if (!evp_cipher) {
evp_md = EVP_get_digestbyname(*argv);
}
if (!evp_cipher && !evp_md) {
BIO_printf(bio_err, "%s is an unknown cipher or digest\n",
*argv);
goto end;
}
doit[D_EVP] = 1;
} else if (argc > 0 && !strcmp(*argv, "-decrypt")) {
decrypt = 1;
j--;
}
# ifndef OPENSSL_NO_ENGINE
else if ((argc > 0) && (strcmp(*argv, "-engine") == 0)) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no engine given\n");
goto end;
}
setup_engine(bio_err, *argv, 0);
j--;
}
# endif
# ifndef NO_FORK
else if ((argc > 0) && (strcmp(*argv, "-multi") == 0)) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no multi count given\n");
goto end;
}
multi = atoi(argv[0]);
if (multi <= 0) {
BIO_printf(bio_err, "bad multi count\n");
goto end;
}
j--;
}
# endif
else if (argc > 0 && !strcmp(*argv, "-mr")) {
mr = 1;
j--;
} else if (argc > 0 && !strcmp(*argv, "-mb")) {
multiblock = 1;
j--;
} else if (argc > 0 && !strcmp(*argv, "-misalign")) {
argc--;
argv++;
if (argc == 0) {
BIO_printf(bio_err, "no misalignment given\n");
goto end;
}
misalign = atoi(argv[0]);
if (misalign < 0 || misalign > MAX_MISALIGNMENT) {
BIO_printf(bio_err,
"misalignment is outsize permitted range 0-%d\n",
MAX_MISALIGNMENT);
goto end;
}
buf = buf_malloc + misalign;
buf2 = buf2_malloc + misalign;
j--;
} else
# ifndef OPENSSL_NO_MD2
if (strcmp(*argv, "md2") == 0)
doit[D_MD2] = 1;
else
# endif
# ifndef OPENSSL_NO_MDC2
if (strcmp(*argv, "mdc2") == 0)
doit[D_MDC2] = 1;
else
# endif
# ifndef OPENSSL_NO_MD4
if (strcmp(*argv, "md4") == 0)
doit[D_MD4] = 1;
else
# endif
# ifndef OPENSSL_NO_MD5
if (strcmp(*argv, "md5") == 0)
doit[D_MD5] = 1;
else
# endif
# ifndef OPENSSL_NO_MD5
if (strcmp(*argv, "hmac") == 0)
doit[D_HMAC] = 1;
else
# endif
# ifndef OPENSSL_NO_SHA
if (strcmp(*argv, "sha1") == 0)
doit[D_SHA1] = 1;
else if (strcmp(*argv, "sha") == 0)
doit[D_SHA1] = 1, doit[D_SHA256] = 1, doit[D_SHA512] = 1;
else
# ifndef OPENSSL_NO_SHA256
if (strcmp(*argv, "sha256") == 0)
doit[D_SHA256] = 1;
else
# endif
# ifndef OPENSSL_NO_SHA512
if (strcmp(*argv, "sha512") == 0)
doit[D_SHA512] = 1;
else
# endif
# endif
# ifndef OPENSSL_NO_WHIRLPOOL
if (strcmp(*argv, "whirlpool") == 0)
doit[D_WHIRLPOOL] = 1;
else
# endif
# ifndef OPENSSL_NO_RMD160
if (strcmp(*argv, "ripemd") == 0)
doit[D_RMD160] = 1;
else if (strcmp(*argv, "rmd160") == 0)
doit[D_RMD160] = 1;
else if (strcmp(*argv, "ripemd160") == 0)
doit[D_RMD160] = 1;
else
# endif
# ifndef OPENSSL_NO_RC4
if (strcmp(*argv, "rc4") == 0)
doit[D_RC4] = 1;
else
# endif
# ifndef OPENSSL_NO_DES
if (strcmp(*argv, "des-cbc") == 0)
doit[D_CBC_DES] = 1;
else if (strcmp(*argv, "des-ede3") == 0)
doit[D_EDE3_DES] = 1;
else
# endif
# ifndef OPENSSL_NO_AES
if (strcmp(*argv, "aes-128-cbc") == 0)
doit[D_CBC_128_AES] = 1;
else if (strcmp(*argv, "aes-192-cbc") == 0)
doit[D_CBC_192_AES] = 1;
else if (strcmp(*argv, "aes-256-cbc") == 0)
doit[D_CBC_256_AES] = 1;
else if (strcmp(*argv, "aes-128-ige") == 0)
doit[D_IGE_128_AES] = 1;
else if (strcmp(*argv, "aes-192-ige") == 0)
doit[D_IGE_192_AES] = 1;
else if (strcmp(*argv, "aes-256-ige") == 0)
doit[D_IGE_256_AES] = 1;
else
# endif
# ifndef OPENSSL_NO_CAMELLIA
if (strcmp(*argv, "camellia-128-cbc") == 0)
doit[D_CBC_128_CML] = 1;
else if (strcmp(*argv, "camellia-192-cbc") == 0)
doit[D_CBC_192_CML] = 1;
else if (strcmp(*argv, "camellia-256-cbc") == 0)
doit[D_CBC_256_CML] = 1;
else
# endif
# ifndef OPENSSL_NO_RSA
# if 0
if (strcmp(*argv, "rsaref") == 0) {
RSA_set_default_openssl_method(RSA_PKCS1_RSAref());
j--;
} else
# endif
# ifndef RSA_NULL
if (strcmp(*argv, "openssl") == 0) {
RSA_set_default_method(RSA_PKCS1_SSLeay());
j--;
} else
# endif
# endif
if (strcmp(*argv, "dsa512") == 0)
dsa_doit[R_DSA_512] = 2;
else if (strcmp(*argv, "dsa1024") == 0)
dsa_doit[R_DSA_1024] = 2;
else if (strcmp(*argv, "dsa2048") == 0)
dsa_doit[R_DSA_2048] = 2;
else if (strcmp(*argv, "rsa512") == 0)
rsa_doit[R_RSA_512] = 2;
else if (strcmp(*argv, "rsa1024") == 0)
rsa_doit[R_RSA_1024] = 2;
else if (strcmp(*argv, "rsa2048") == 0)
rsa_doit[R_RSA_2048] = 2;
else if (strcmp(*argv, "rsa3072") == 0)
rsa_doit[R_RSA_3072] = 2;
else if (strcmp(*argv, "rsa4096") == 0)
rsa_doit[R_RSA_4096] = 2;
else if (strcmp(*argv, "rsa7680") == 0)
rsa_doit[R_RSA_7680] = 2;
else if (strcmp(*argv, "rsa15360") == 0)
rsa_doit[R_RSA_15360] = 2;
else
# ifndef OPENSSL_NO_RC2
if (strcmp(*argv, "rc2-cbc") == 0)
doit[D_CBC_RC2] = 1;
else if (strcmp(*argv, "rc2") == 0)
doit[D_CBC_RC2] = 1;
else
# endif
# ifndef OPENSSL_NO_RC5
if (strcmp(*argv, "rc5-cbc") == 0)
doit[D_CBC_RC5] = 1;
else if (strcmp(*argv, "rc5") == 0)
doit[D_CBC_RC5] = 1;
else
# endif
# ifndef OPENSSL_NO_IDEA
if (strcmp(*argv, "idea-cbc") == 0)
doit[D_CBC_IDEA] = 1;
else if (strcmp(*argv, "idea") == 0)
doit[D_CBC_IDEA] = 1;
else
# endif
# ifndef OPENSSL_NO_SEED
if (strcmp(*argv, "seed-cbc") == 0)
doit[D_CBC_SEED] = 1;
else if (strcmp(*argv, "seed") == 0)
doit[D_CBC_SEED] = 1;
else
# endif
# ifndef OPENSSL_NO_BF
if (strcmp(*argv, "bf-cbc") == 0)
doit[D_CBC_BF] = 1;
else if (strcmp(*argv, "blowfish") == 0)
doit[D_CBC_BF] = 1;
else if (strcmp(*argv, "bf") == 0)
doit[D_CBC_BF] = 1;
else
# endif
# ifndef OPENSSL_NO_CAST
if (strcmp(*argv, "cast-cbc") == 0)
doit[D_CBC_CAST] = 1;
else if (strcmp(*argv, "cast") == 0)
doit[D_CBC_CAST] = 1;
else if (strcmp(*argv, "cast5") == 0)
doit[D_CBC_CAST] = 1;
else
# endif
# ifndef OPENSSL_NO_DES
if (strcmp(*argv, "des") == 0) {
doit[D_CBC_DES] = 1;
doit[D_EDE3_DES] = 1;
} else
# endif
# ifndef OPENSSL_NO_AES
if (strcmp(*argv, "aes") == 0) {
doit[D_CBC_128_AES] = 1;
doit[D_CBC_192_AES] = 1;
doit[D_CBC_256_AES] = 1;
} else if (strcmp(*argv, "ghash") == 0) {
doit[D_GHASH] = 1;
} else
# endif
# ifndef OPENSSL_NO_CAMELLIA
if (strcmp(*argv, "camellia") == 0) {
doit[D_CBC_128_CML] = 1;
doit[D_CBC_192_CML] = 1;
doit[D_CBC_256_CML] = 1;
} else
# endif
# ifndef OPENSSL_NO_RSA
if (strcmp(*argv, "rsa") == 0) {
rsa_doit[R_RSA_512] = 1;
rsa_doit[R_RSA_1024] = 1;
rsa_doit[R_RSA_2048] = 1;
rsa_doit[R_RSA_3072] = 1;
rsa_doit[R_RSA_4096] = 1;
rsa_doit[R_RSA_7680] = 1;
rsa_doit[R_RSA_15360] = 1;
} else
# endif
# ifndef OPENSSL_NO_DSA
if (strcmp(*argv, "dsa") == 0) {
dsa_doit[R_DSA_512] = 1;
dsa_doit[R_DSA_1024] = 1;
dsa_doit[R_DSA_2048] = 1;
} else
# endif
# ifndef OPENSSL_NO_ECDSA
if (strcmp(*argv, "ecdsap160") == 0)
ecdsa_doit[R_EC_P160] = 2;
else if (strcmp(*argv, "ecdsap192") == 0)
ecdsa_doit[R_EC_P192] = 2;
else if (strcmp(*argv, "ecdsap224") == 0)
ecdsa_doit[R_EC_P224] = 2;
else if (strcmp(*argv, "ecdsap256") == 0)
ecdsa_doit[R_EC_P256] = 2;
else if (strcmp(*argv, "ecdsap384") == 0)
ecdsa_doit[R_EC_P384] = 2;
else if (strcmp(*argv, "ecdsap521") == 0)
ecdsa_doit[R_EC_P521] = 2;
else if (strcmp(*argv, "ecdsak163") == 0)
ecdsa_doit[R_EC_K163] = 2;
else if (strcmp(*argv, "ecdsak233") == 0)
ecdsa_doit[R_EC_K233] = 2;
else if (strcmp(*argv, "ecdsak283") == 0)
ecdsa_doit[R_EC_K283] = 2;
else if (strcmp(*argv, "ecdsak409") == 0)
ecdsa_doit[R_EC_K409] = 2;
else if (strcmp(*argv, "ecdsak571") == 0)
ecdsa_doit[R_EC_K571] = 2;
else if (strcmp(*argv, "ecdsab163") == 0)
ecdsa_doit[R_EC_B163] = 2;
else if (strcmp(*argv, "ecdsab233") == 0)
ecdsa_doit[R_EC_B233] = 2;
else if (strcmp(*argv, "ecdsab283") == 0)
ecdsa_doit[R_EC_B283] = 2;
else if (strcmp(*argv, "ecdsab409") == 0)
ecdsa_doit[R_EC_B409] = 2;
else if (strcmp(*argv, "ecdsab571") == 0)
ecdsa_doit[R_EC_B571] = 2;
else if (strcmp(*argv, "ecdsa") == 0) {
for (i = 0; i < EC_NUM; i++)
ecdsa_doit[i] = 1;
} else
# endif
# ifndef OPENSSL_NO_ECDH
if (strcmp(*argv, "ecdhp160") == 0)
ecdh_doit[R_EC_P160] = 2;
else if (strcmp(*argv, "ecdhp192") == 0)
ecdh_doit[R_EC_P192] = 2;
else if (strcmp(*argv, "ecdhp224") == 0)
ecdh_doit[R_EC_P224] = 2;
else if (strcmp(*argv, "ecdhp256") == 0)
ecdh_doit[R_EC_P256] = 2;
else if (strcmp(*argv, "ecdhp384") == 0)
ecdh_doit[R_EC_P384] = 2;
else if (strcmp(*argv, "ecdhp521") == 0)
ecdh_doit[R_EC_P521] = 2;
else if (strcmp(*argv, "ecdhk163") == 0)
ecdh_doit[R_EC_K163] = 2;
else if (strcmp(*argv, "ecdhk233") == 0)
ecdh_doit[R_EC_K233] = 2;
else if (strcmp(*argv, "ecdhk283") == 0)
ecdh_doit[R_EC_K283] = 2;
else if (strcmp(*argv, "ecdhk409") == 0)
ecdh_doit[R_EC_K409] = 2;
else if (strcmp(*argv, "ecdhk571") == 0)
ecdh_doit[R_EC_K571] = 2;
else if (strcmp(*argv, "ecdhb163") == 0)
ecdh_doit[R_EC_B163] = 2;
else if (strcmp(*argv, "ecdhb233") == 0)
ecdh_doit[R_EC_B233] = 2;
else if (strcmp(*argv, "ecdhb283") == 0)
ecdh_doit[R_EC_B283] = 2;
else if (strcmp(*argv, "ecdhb409") == 0)
ecdh_doit[R_EC_B409] = 2;
else if (strcmp(*argv, "ecdhb571") == 0)
ecdh_doit[R_EC_B571] = 2;
else if (strcmp(*argv, "ecdh") == 0) {
for (i = 0; i < EC_NUM; i++)
ecdh_doit[i] = 1;
} else
# endif
{
BIO_printf(bio_err, "Error: bad option or value\n");
BIO_printf(bio_err, "\n");
BIO_printf(bio_err, "Available values:\n");
# ifndef OPENSSL_NO_MD2
BIO_printf(bio_err, "md2 ");
# endif
# ifndef OPENSSL_NO_MDC2
BIO_printf(bio_err, "mdc2 ");
# endif
# ifndef OPENSSL_NO_MD4
BIO_printf(bio_err, "md4 ");
# endif
# ifndef OPENSSL_NO_MD5
BIO_printf(bio_err, "md5 ");
# ifndef OPENSSL_NO_HMAC
BIO_printf(bio_err, "hmac ");
# endif
# endif
# ifndef OPENSSL_NO_SHA1
BIO_printf(bio_err, "sha1 ");
# endif
# ifndef OPENSSL_NO_SHA256
BIO_printf(bio_err, "sha256 ");
# endif
# ifndef OPENSSL_NO_SHA512
BIO_printf(bio_err, "sha512 ");
# endif
# ifndef OPENSSL_NO_WHIRLPOOL
BIO_printf(bio_err, "whirlpool");
# endif
# ifndef OPENSSL_NO_RMD160
BIO_printf(bio_err, "rmd160");
# endif
# if !defined(OPENSSL_NO_MD2) || !defined(OPENSSL_NO_MDC2) || \
!defined(OPENSSL_NO_MD4) || !defined(OPENSSL_NO_MD5) || \
!defined(OPENSSL_NO_SHA1) || !defined(OPENSSL_NO_RMD160) || \
!defined(OPENSSL_NO_WHIRLPOOL)
BIO_printf(bio_err, "\n");
# endif
# ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err, "idea-cbc ");
# endif
# ifndef OPENSSL_NO_SEED
BIO_printf(bio_err, "seed-cbc ");
# endif
# ifndef OPENSSL_NO_RC2
BIO_printf(bio_err, "rc2-cbc ");
# endif
# ifndef OPENSSL_NO_RC5
BIO_printf(bio_err, "rc5-cbc ");
# endif
# ifndef OPENSSL_NO_BF
BIO_printf(bio_err, "bf-cbc");
# endif
# if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || !defined(OPENSSL_NO_RC2) || \
!defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_RC5)
BIO_printf(bio_err, "\n");
# endif
# ifndef OPENSSL_NO_DES
BIO_printf(bio_err, "des-cbc des-ede3 ");
# endif
# ifndef OPENSSL_NO_AES
BIO_printf(bio_err, "aes-128-cbc aes-192-cbc aes-256-cbc ");
BIO_printf(bio_err, "aes-128-ige aes-192-ige aes-256-ige ");
# endif
# ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err, "\n");
BIO_printf(bio_err,
"camellia-128-cbc camellia-192-cbc camellia-256-cbc ");
# endif
# ifndef OPENSSL_NO_RC4
BIO_printf(bio_err, "rc4");
# endif
BIO_printf(bio_err, "\n");
# ifndef OPENSSL_NO_RSA
BIO_printf(bio_err,
"rsa512 rsa1024 rsa2048 rsa3072 rsa4096\n");
BIO_printf(bio_err, "rsa7680 rsa15360\n");
# endif
# ifndef OPENSSL_NO_DSA
BIO_printf(bio_err, "dsa512 dsa1024 dsa2048\n");
# endif
# ifndef OPENSSL_NO_ECDSA
BIO_printf(bio_err, "ecdsap160 ecdsap192 ecdsap224 "
"ecdsap256 ecdsap384 ecdsap521\n");
BIO_printf(bio_err,
"ecdsak163 ecdsak233 ecdsak283 ecdsak409 ecdsak571\n");
BIO_printf(bio_err,
"ecdsab163 ecdsab233 ecdsab283 ecdsab409 ecdsab571\n");
BIO_printf(bio_err, "ecdsa\n");
# endif
# ifndef OPENSSL_NO_ECDH
BIO_printf(bio_err, "ecdhp160 ecdhp192 ecdhp224 "
"ecdhp256 ecdhp384 ecdhp521\n");
BIO_printf(bio_err,
"ecdhk163 ecdhk233 ecdhk283 ecdhk409 ecdhk571\n");
BIO_printf(bio_err,
"ecdhb163 ecdhb233 ecdhb283 ecdhb409 ecdhb571\n");
BIO_printf(bio_err, "ecdh\n");
# endif
# ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err, "idea ");
# endif
# ifndef OPENSSL_NO_SEED
BIO_printf(bio_err, "seed ");
# endif
# ifndef OPENSSL_NO_RC2
BIO_printf(bio_err, "rc2 ");
# endif
# ifndef OPENSSL_NO_DES
BIO_printf(bio_err, "des ");
# endif
# ifndef OPENSSL_NO_AES
BIO_printf(bio_err, "aes ");
# endif
# ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err, "camellia ");
# endif
# ifndef OPENSSL_NO_RSA
BIO_printf(bio_err, "rsa ");
# endif
# ifndef OPENSSL_NO_BF
BIO_printf(bio_err, "blowfish");
# endif
# if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || \
!defined(OPENSSL_NO_RC2) || !defined(OPENSSL_NO_DES) || \
!defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_BF) || \
!defined(OPENSSL_NO_AES) || !defined(OPENSSL_NO_CAMELLIA)
BIO_printf(bio_err, "\n");
# endif
BIO_printf(bio_err, "\n");
BIO_printf(bio_err, "Available options:\n");
# if defined(TIMES) || defined(USE_TOD)
BIO_printf(bio_err, "-elapsed "
"measure time in real time instead of CPU user time.\n");
# endif
# ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
"-engine e "
"use engine e, possibly a hardware device.\n");
# endif
BIO_printf(bio_err, "-evp e " "use EVP e.\n");
BIO_printf(bio_err,
"-decrypt "
"time decryption instead of encryption (only EVP).\n");
BIO_printf(bio_err,
"-mr "
"produce machine readable output.\n");
BIO_printf(bio_err,
"-mb "
"perform multi-block benchmark (for specific ciphers)\n");
BIO_printf(bio_err,
"-misalign n "
"perform benchmark with misaligned data\n");
# ifndef NO_FORK
BIO_printf(bio_err,
"-multi n " "run n benchmarks in parallel.\n");
# endif
goto end;
}
argc--;
argv++;
j++;
}
# ifndef NO_FORK
if (multi && do_multi(multi))
goto show_res;
# endif
if (j == 0) {
for (i = 0; i < ALGOR_NUM; i++) {
if (i != D_EVP)
doit[i] = 1;
}
for (i = 0; i < RSA_NUM; i++)
rsa_doit[i] = 1;
for (i = 0; i < DSA_NUM; i++)
dsa_doit[i] = 1;
# ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
ecdsa_doit[i] = 1;
# endif
# ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++)
ecdh_doit[i] = 1;
# endif
}
for (i = 0; i < ALGOR_NUM; i++)
if (doit[i])
pr_header++;
if (usertime == 0 && !mr)
BIO_printf(bio_err,
"You have chosen to measure elapsed time "
"instead of user CPU time.\n");
# ifndef OPENSSL_NO_RSA
for (i = 0; i < RSA_NUM; i++) {
const unsigned char *p;
p = rsa_data[i];
rsa_key[i] = d2i_RSAPrivateKey(NULL, &p, rsa_data_length[i]);
if (rsa_key[i] == NULL) {
BIO_printf(bio_err, "internal error loading RSA key number %d\n",
i);
goto end;
}
# if 0
else {
BIO_printf(bio_err,
mr ? "+RK:%d:"
: "Loaded RSA key, %d bit modulus and e= 0x",
BN_num_bits(rsa_key[i]->n));
BN_print(bio_err, rsa_key[i]->e);
BIO_printf(bio_err, "\n");
}
# endif
}
# endif
# ifndef OPENSSL_NO_DSA
dsa_key[0] = get_dsa512();
dsa_key[1] = get_dsa1024();
dsa_key[2] = get_dsa2048();
# endif
# ifndef OPENSSL_NO_DES
DES_set_key_unchecked(&key, &sch);
DES_set_key_unchecked(&key2, &sch2);
DES_set_key_unchecked(&key3, &sch3);
# endif
# ifndef OPENSSL_NO_AES
AES_set_encrypt_key(key16, 128, &aes_ks1);
AES_set_encrypt_key(key24, 192, &aes_ks2);
AES_set_encrypt_key(key32, 256, &aes_ks3);
# endif
# ifndef OPENSSL_NO_CAMELLIA
Camellia_set_key(key16, 128, &camellia_ks1);
Camellia_set_key(ckey24, 192, &camellia_ks2);
Camellia_set_key(ckey32, 256, &camellia_ks3);
# endif
# ifndef OPENSSL_NO_IDEA
idea_set_encrypt_key(key16, &idea_ks);
# endif
# ifndef OPENSSL_NO_SEED
SEED_set_key(key16, &seed_ks);
# endif
# ifndef OPENSSL_NO_RC4
RC4_set_key(&rc4_ks, 16, key16);
# endif
# ifndef OPENSSL_NO_RC2
RC2_set_key(&rc2_ks, 16, key16, 128);
# endif
# ifndef OPENSSL_NO_RC5
RC5_32_set_key(&rc5_ks, 16, key16, 12);
# endif
# ifndef OPENSSL_NO_BF
BF_set_key(&bf_ks, 16, key16);
# endif
# ifndef OPENSSL_NO_CAST
CAST_set_key(&cast_ks, 16, key16);
# endif
# ifndef OPENSSL_NO_RSA
memset(rsa_c, 0, sizeof(rsa_c));
# endif
# ifndef SIGALRM
# ifndef OPENSSL_NO_DES
BIO_printf(bio_err, "First we calculate the approximate speed ...\n");
count = 10;
do {
long it;
count *= 2;
Time_F(START);
for (it = count; it; it--)
DES_ecb_encrypt((DES_cblock *)buf,
(DES_cblock *)buf, &sch, DES_ENCRYPT);
d = Time_F(STOP);
} while (d < 3);
save_count = count;
c[D_MD2][0] = count / 10;
c[D_MDC2][0] = count / 10;
c[D_MD4][0] = count;
c[D_MD5][0] = count;
c[D_HMAC][0] = count;
c[D_SHA1][0] = count;
c[D_RMD160][0] = count;
c[D_RC4][0] = count * 5;
c[D_CBC_DES][0] = count;
c[D_EDE3_DES][0] = count / 3;
c[D_CBC_IDEA][0] = count;
c[D_CBC_SEED][0] = count;
c[D_CBC_RC2][0] = count;
c[D_CBC_RC5][0] = count;
c[D_CBC_BF][0] = count;
c[D_CBC_CAST][0] = count;
c[D_CBC_128_AES][0] = count;
c[D_CBC_192_AES][0] = count;
c[D_CBC_256_AES][0] = count;
c[D_CBC_128_CML][0] = count;
c[D_CBC_192_CML][0] = count;
c[D_CBC_256_CML][0] = count;
c[D_SHA256][0] = count;
c[D_SHA512][0] = count;
c[D_WHIRLPOOL][0] = count;
c[D_IGE_128_AES][0] = count;
c[D_IGE_192_AES][0] = count;
c[D_IGE_256_AES][0] = count;
c[D_GHASH][0] = count;
for (i = 1; i < SIZE_NUM; i++) {
long l0, l1;
l0 = (long)lengths[0];
l1 = (long)lengths[i];
c[D_MD2][i] = c[D_MD2][0] * 4 * l0 / l1;
c[D_MDC2][i] = c[D_MDC2][0] * 4 * l0 / l1;
c[D_MD4][i] = c[D_MD4][0] * 4 * l0 / l1;
c[D_MD5][i] = c[D_MD5][0] * 4 * l0 / l1;
c[D_HMAC][i] = c[D_HMAC][0] * 4 * l0 / l1;
c[D_SHA1][i] = c[D_SHA1][0] * 4 * l0 / l1;
c[D_RMD160][i] = c[D_RMD160][0] * 4 * l0 / l1;
c[D_SHA256][i] = c[D_SHA256][0] * 4 * l0 / l1;
c[D_SHA512][i] = c[D_SHA512][0] * 4 * l0 / l1;
c[D_WHIRLPOOL][i] = c[D_WHIRLPOOL][0] * 4 * l0 / l1;
l0 = (long)lengths[i - 1];
c[D_RC4][i] = c[D_RC4][i - 1] * l0 / l1;
c[D_CBC_DES][i] = c[D_CBC_DES][i - 1] * l0 / l1;
c[D_EDE3_DES][i] = c[D_EDE3_DES][i - 1] * l0 / l1;
c[D_CBC_IDEA][i] = c[D_CBC_IDEA][i - 1] * l0 / l1;
c[D_CBC_SEED][i] = c[D_CBC_SEED][i - 1] * l0 / l1;
c[D_CBC_RC2][i] = c[D_CBC_RC2][i - 1] * l0 / l1;
c[D_CBC_RC5][i] = c[D_CBC_RC5][i - 1] * l0 / l1;
c[D_CBC_BF][i] = c[D_CBC_BF][i - 1] * l0 / l1;
c[D_CBC_CAST][i] = c[D_CBC_CAST][i - 1] * l0 / l1;
c[D_CBC_128_AES][i] = c[D_CBC_128_AES][i - 1] * l0 / l1;
c[D_CBC_192_AES][i] = c[D_CBC_192_AES][i - 1] * l0 / l1;
c[D_CBC_256_AES][i] = c[D_CBC_256_AES][i - 1] * l0 / l1;
c[D_CBC_128_CML][i] = c[D_CBC_128_CML][i - 1] * l0 / l1;
c[D_CBC_192_CML][i] = c[D_CBC_192_CML][i - 1] * l0 / l1;
c[D_CBC_256_CML][i] = c[D_CBC_256_CML][i - 1] * l0 / l1;
c[D_IGE_128_AES][i] = c[D_IGE_128_AES][i - 1] * l0 / l1;
c[D_IGE_192_AES][i] = c[D_IGE_192_AES][i - 1] * l0 / l1;
c[D_IGE_256_AES][i] = c[D_IGE_256_AES][i - 1] * l0 / l1;
}
# ifndef OPENSSL_NO_RSA
rsa_c[R_RSA_512][0] = count / 2000;
rsa_c[R_RSA_512][1] = count / 400;
for (i = 1; i < RSA_NUM; i++) {
rsa_c[i][0] = rsa_c[i - 1][0] / 8;
rsa_c[i][1] = rsa_c[i - 1][1] / 4;
if ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))
rsa_doit[i] = 0;
else {
if (rsa_c[i][0] == 0) {
rsa_c[i][0] = 1;
rsa_c[i][1] = 20;
}
}
}
# endif
# ifndef OPENSSL_NO_DSA
dsa_c[R_DSA_512][0] = count / 1000;
dsa_c[R_DSA_512][1] = count / 1000 / 2;
for (i = 1; i < DSA_NUM; i++) {
dsa_c[i][0] = dsa_c[i - 1][0] / 4;
dsa_c[i][1] = dsa_c[i - 1][1] / 4;
if ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))
dsa_doit[i] = 0;
else {
if (dsa_c[i] == 0) {
dsa_c[i][0] = 1;
dsa_c[i][1] = 1;
}
}
}
# endif
# ifndef OPENSSL_NO_ECDSA
ecdsa_c[R_EC_P160][0] = count / 1000;
ecdsa_c[R_EC_P160][1] = count / 1000 / 2;
for (i = R_EC_P192; i <= R_EC_P521; i++) {
ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;
ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;
if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))
ecdsa_doit[i] = 0;
else {
if (ecdsa_c[i] == 0) {
ecdsa_c[i][0] = 1;
ecdsa_c[i][1] = 1;
}
}
}
ecdsa_c[R_EC_K163][0] = count / 1000;
ecdsa_c[R_EC_K163][1] = count / 1000 / 2;
for (i = R_EC_K233; i <= R_EC_K571; i++) {
ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;
ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;
if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))
ecdsa_doit[i] = 0;
else {
if (ecdsa_c[i] == 0) {
ecdsa_c[i][0] = 1;
ecdsa_c[i][1] = 1;
}
}
}
ecdsa_c[R_EC_B163][0] = count / 1000;
ecdsa_c[R_EC_B163][1] = count / 1000 / 2;
for (i = R_EC_B233; i <= R_EC_B571; i++) {
ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;
ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;
if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))
ecdsa_doit[i] = 0;
else {
if (ecdsa_c[i] == 0) {
ecdsa_c[i][0] = 1;
ecdsa_c[i][1] = 1;
}
}
}
# endif
# ifndef OPENSSL_NO_ECDH
ecdh_c[R_EC_P160][0] = count / 1000;
ecdh_c[R_EC_P160][1] = count / 1000;
for (i = R_EC_P192; i <= R_EC_P521; i++) {
ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;
ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;
if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))
ecdh_doit[i] = 0;
else {
if (ecdh_c[i] == 0) {
ecdh_c[i][0] = 1;
ecdh_c[i][1] = 1;
}
}
}
ecdh_c[R_EC_K163][0] = count / 1000;
ecdh_c[R_EC_K163][1] = count / 1000;
for (i = R_EC_K233; i <= R_EC_K571; i++) {
ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;
ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;
if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))
ecdh_doit[i] = 0;
else {
if (ecdh_c[i] == 0) {
ecdh_c[i][0] = 1;
ecdh_c[i][1] = 1;
}
}
}
ecdh_c[R_EC_B163][0] = count / 1000;
ecdh_c[R_EC_B163][1] = count / 1000;
for (i = R_EC_B233; i <= R_EC_B571; i++) {
ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;
ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;
if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))
ecdh_doit[i] = 0;
else {
if (ecdh_c[i] == 0) {
ecdh_c[i][0] = 1;
ecdh_c[i][1] = 1;
}
}
}
# endif
# define COND(d) (count < (d))
# define COUNT(d) (d)
# else
# error "You cannot disable DES on systems without SIGALRM."
# endif
# else
# define COND(c) (run && count<0x7fffffff)
# define COUNT(d) (count)
# ifndef _WIN32
signal(SIGALRM, sig_done);
# endif
# endif
# ifndef OPENSSL_NO_MD2
if (doit[D_MD2]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MD2], c[D_MD2][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MD2][j]); count++)
EVP_Digest(buf, (unsigned long)lengths[j], &(md2[0]), NULL,
EVP_md2(), NULL);
d = Time_F(STOP);
print_result(D_MD2, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_MDC2
if (doit[D_MDC2]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MDC2], c[D_MDC2][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MDC2][j]); count++)
EVP_Digest(buf, (unsigned long)lengths[j], &(mdc2[0]), NULL,
EVP_mdc2(), NULL);
d = Time_F(STOP);
print_result(D_MDC2, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_MD4
if (doit[D_MD4]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MD4], c[D_MD4][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MD4][j]); count++)
EVP_Digest(&(buf[0]), (unsigned long)lengths[j], &(md4[0]),
NULL, EVP_md4(), NULL);
d = Time_F(STOP);
print_result(D_MD4, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_MD5
if (doit[D_MD5]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_MD5], c[D_MD5][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_MD5][j]); count++)
MD5(buf, lengths[j], md5);
d = Time_F(STOP);
print_result(D_MD5, j, count, d);
}
}
# endif
# if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_HMAC)
if (doit[D_HMAC]) {
HMAC_CTX hctx;
HMAC_CTX_init(&hctx);
HMAC_Init_ex(&hctx, (unsigned char *)"This is a key...",
16, EVP_md5(), NULL);
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_HMAC], c[D_HMAC][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_HMAC][j]); count++) {
HMAC_Init_ex(&hctx, NULL, 0, NULL, NULL);
HMAC_Update(&hctx, buf, lengths[j]);
HMAC_Final(&hctx, &(hmac[0]), NULL);
}
d = Time_F(STOP);
print_result(D_HMAC, j, count, d);
}
HMAC_CTX_cleanup(&hctx);
}
# endif
# ifndef OPENSSL_NO_SHA
if (doit[D_SHA1]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_SHA1], c[D_SHA1][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_SHA1][j]); count++)
# if 0
EVP_Digest(buf, (unsigned long)lengths[j], &(sha[0]), NULL,
EVP_sha1(), NULL);
# else
SHA1(buf, lengths[j], sha);
# endif
d = Time_F(STOP);
print_result(D_SHA1, j, count, d);
}
}
# ifndef OPENSSL_NO_SHA256
if (doit[D_SHA256]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_SHA256], c[D_SHA256][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_SHA256][j]); count++)
SHA256(buf, lengths[j], sha256);
d = Time_F(STOP);
print_result(D_SHA256, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_SHA512
if (doit[D_SHA512]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_SHA512], c[D_SHA512][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_SHA512][j]); count++)
SHA512(buf, lengths[j], sha512);
d = Time_F(STOP);
print_result(D_SHA512, j, count, d);
}
}
# endif
# endif
# ifndef OPENSSL_NO_WHIRLPOOL
if (doit[D_WHIRLPOOL]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_WHIRLPOOL], c[D_WHIRLPOOL][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_WHIRLPOOL][j]); count++)
WHIRLPOOL(buf, lengths[j], whirlpool);
d = Time_F(STOP);
print_result(D_WHIRLPOOL, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_RMD160
if (doit[D_RMD160]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_RMD160], c[D_RMD160][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_RMD160][j]); count++)
EVP_Digest(buf, (unsigned long)lengths[j], &(rmd160[0]), NULL,
EVP_ripemd160(), NULL);
d = Time_F(STOP);
print_result(D_RMD160, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_RC4
if (doit[D_RC4]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_RC4], c[D_RC4][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_RC4][j]); count++)
RC4(&rc4_ks, (unsigned int)lengths[j], buf, buf);
d = Time_F(STOP);
print_result(D_RC4, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_DES
if (doit[D_CBC_DES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_DES], c[D_CBC_DES][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_DES][j]); count++)
DES_ncbc_encrypt(buf, buf, lengths[j], &sch,
&DES_iv, DES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_DES, j, count, d);
}
}
if (doit[D_EDE3_DES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_EDE3_DES], c[D_EDE3_DES][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_EDE3_DES][j]); count++)
DES_ede3_cbc_encrypt(buf, buf, lengths[j],
&sch, &sch2, &sch3,
&DES_iv, DES_ENCRYPT);
d = Time_F(STOP);
print_result(D_EDE3_DES, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_AES
if (doit[D_CBC_128_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_128_AES], c[D_CBC_128_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_128_AES][j]); count++)
AES_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &aes_ks1,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_128_AES, j, count, d);
}
}
if (doit[D_CBC_192_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_192_AES], c[D_CBC_192_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_192_AES][j]); count++)
AES_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &aes_ks2,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_192_AES, j, count, d);
}
}
if (doit[D_CBC_256_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_256_AES], c[D_CBC_256_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_256_AES][j]); count++)
AES_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &aes_ks3,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_256_AES, j, count, d);
}
}
if (doit[D_IGE_128_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_IGE_128_AES], c[D_IGE_128_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_IGE_128_AES][j]); count++)
AES_ige_encrypt(buf, buf2,
(unsigned long)lengths[j], &aes_ks1,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_IGE_128_AES, j, count, d);
}
}
if (doit[D_IGE_192_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_IGE_192_AES], c[D_IGE_192_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_IGE_192_AES][j]); count++)
AES_ige_encrypt(buf, buf2,
(unsigned long)lengths[j], &aes_ks2,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_IGE_192_AES, j, count, d);
}
}
if (doit[D_IGE_256_AES]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_IGE_256_AES], c[D_IGE_256_AES][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_IGE_256_AES][j]); count++)
AES_ige_encrypt(buf, buf2,
(unsigned long)lengths[j], &aes_ks3,
iv, AES_ENCRYPT);
d = Time_F(STOP);
print_result(D_IGE_256_AES, j, count, d);
}
}
if (doit[D_GHASH]) {
GCM128_CONTEXT *ctx =
CRYPTO_gcm128_new(&aes_ks1, (block128_f) AES_encrypt);
CRYPTO_gcm128_setiv(ctx, (unsigned char *)"0123456789ab", 12);
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_GHASH], c[D_GHASH][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_GHASH][j]); count++)
CRYPTO_gcm128_aad(ctx, buf, lengths[j]);
d = Time_F(STOP);
print_result(D_GHASH, j, count, d);
}
CRYPTO_gcm128_release(ctx);
}
# endif
# ifndef OPENSSL_NO_CAMELLIA
if (doit[D_CBC_128_CML]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_128_CML], c[D_CBC_128_CML][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_128_CML][j]); count++)
Camellia_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &camellia_ks1,
iv, CAMELLIA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_128_CML, j, count, d);
}
}
if (doit[D_CBC_192_CML]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_192_CML], c[D_CBC_192_CML][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_192_CML][j]); count++)
Camellia_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &camellia_ks2,
iv, CAMELLIA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_192_CML, j, count, d);
}
}
if (doit[D_CBC_256_CML]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_256_CML], c[D_CBC_256_CML][j],
lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_256_CML][j]); count++)
Camellia_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &camellia_ks3,
iv, CAMELLIA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_256_CML, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_IDEA
if (doit[D_CBC_IDEA]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_IDEA], c[D_CBC_IDEA][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_IDEA][j]); count++)
idea_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &idea_ks,
iv, IDEA_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_IDEA, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_SEED
if (doit[D_CBC_SEED]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_SEED], c[D_CBC_SEED][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_SEED][j]); count++)
SEED_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &seed_ks, iv, 1);
d = Time_F(STOP);
print_result(D_CBC_SEED, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_RC2
if (doit[D_CBC_RC2]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_RC2], c[D_CBC_RC2][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_RC2][j]); count++)
RC2_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &rc2_ks,
iv, RC2_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_RC2, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_RC5
if (doit[D_CBC_RC5]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_RC5], c[D_CBC_RC5][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_RC5][j]); count++)
RC5_32_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &rc5_ks,
iv, RC5_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_RC5, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_BF
if (doit[D_CBC_BF]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_BF], c[D_CBC_BF][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_BF][j]); count++)
BF_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &bf_ks,
iv, BF_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_BF, j, count, d);
}
}
# endif
# ifndef OPENSSL_NO_CAST
if (doit[D_CBC_CAST]) {
for (j = 0; j < SIZE_NUM; j++) {
print_message(names[D_CBC_CAST], c[D_CBC_CAST][j], lengths[j]);
Time_F(START);
for (count = 0, run = 1; COND(c[D_CBC_CAST][j]); count++)
CAST_cbc_encrypt(buf, buf,
(unsigned long)lengths[j], &cast_ks,
iv, CAST_ENCRYPT);
d = Time_F(STOP);
print_result(D_CBC_CAST, j, count, d);
}
}
# endif
if (doit[D_EVP]) {
# ifdef EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
if (multiblock && evp_cipher) {
if (!
(EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {
fprintf(stderr, "%s is not multi-block capable\n",
OBJ_nid2ln(evp_cipher->nid));
goto end;
}
multiblock_speed(evp_cipher);
mret = 0;
goto end;
}
# endif
for (j = 0; j < SIZE_NUM; j++) {
if (evp_cipher) {
EVP_CIPHER_CTX ctx;
int outl;
names[D_EVP] = OBJ_nid2ln(evp_cipher->nid);
print_message(names[D_EVP], save_count, lengths[j]);
EVP_CIPHER_CTX_init(&ctx);
if (decrypt)
EVP_DecryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);
else
EVP_EncryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);
EVP_CIPHER_CTX_set_padding(&ctx, 0);
Time_F(START);
if (decrypt)
for (count = 0, run = 1;
COND(save_count * 4 * lengths[0] / lengths[j]);
count++)
EVP_DecryptUpdate(&ctx, buf, &outl, buf, lengths[j]);
else
for (count = 0, run = 1;
COND(save_count * 4 * lengths[0] / lengths[j]);
count++)
EVP_EncryptUpdate(&ctx, buf, &outl, buf, lengths[j]);
if (decrypt)
EVP_DecryptFinal_ex(&ctx, buf, &outl);
else
EVP_EncryptFinal_ex(&ctx, buf, &outl);
d = Time_F(STOP);
EVP_CIPHER_CTX_cleanup(&ctx);
}
if (evp_md) {
names[D_EVP] = OBJ_nid2ln(evp_md->type);
print_message(names[D_EVP], save_count, lengths[j]);
Time_F(START);
for (count = 0, run = 1;
COND(save_count * 4 * lengths[0] / lengths[j]); count++)
EVP_Digest(buf, lengths[j], &(md[0]), NULL, evp_md, NULL);
d = Time_F(STOP);
}
print_result(D_EVP, j, count, d);
}
}
# ifndef OPENSSL_SYS_WIN32
# endif
RAND_pseudo_bytes(buf, 36);
# ifndef OPENSSL_NO_RSA
for (j = 0; j < RSA_NUM; j++) {
int ret;
if (!rsa_doit[j])
continue;
ret = RSA_sign(NID_md5_sha1, buf, 36, buf2, &rsa_num, rsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err,
"RSA sign failure. No RSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
pkey_print_message("private", "rsa",
rsa_c[j][0], rsa_bits[j], RSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(rsa_c[j][0]); count++) {
ret = RSA_sign(NID_md5_sha1, buf, 36, buf2,
&rsa_num, rsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err, "RSA sign failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R1:%ld:%d:%.2f\n"
: "%ld %d bit private RSA's in %.2fs\n",
count, rsa_bits[j], d);
rsa_results[j][0] = d / (double)count;
rsa_count = count;
}
# if 1
ret = RSA_verify(NID_md5_sha1, buf, 36, buf2, rsa_num, rsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err,
"RSA verify failure. No RSA verify will be done.\n");
ERR_print_errors(bio_err);
rsa_doit[j] = 0;
} else {
pkey_print_message("public", "rsa",
rsa_c[j][1], rsa_bits[j], RSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(rsa_c[j][1]); count++) {
ret = RSA_verify(NID_md5_sha1, buf, 36, buf2,
rsa_num, rsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err, "RSA verify failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R2:%ld:%d:%.2f\n"
: "%ld %d bit public RSA's in %.2fs\n",
count, rsa_bits[j], d);
rsa_results[j][1] = d / (double)count;
}
# endif
if (rsa_count <= 1) {
for (j++; j < RSA_NUM; j++)
rsa_doit[j] = 0;
}
}
# endif
RAND_pseudo_bytes(buf, 20);
# ifndef OPENSSL_NO_DSA
if (RAND_status() != 1) {
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j = 0; j < DSA_NUM; j++) {
unsigned int kk;
int ret;
if (!dsa_doit[j])
continue;
ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err,
"DSA sign failure. No DSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
pkey_print_message("sign", "dsa",
dsa_c[j][0], dsa_bits[j], DSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(dsa_c[j][0]); count++) {
ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);
if (ret == 0) {
BIO_printf(bio_err, "DSA sign failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R3:%ld:%d:%.2f\n"
: "%ld %d bit DSA signs in %.2fs\n",
count, dsa_bits[j], d);
dsa_results[j][0] = d / (double)count;
rsa_count = count;
}
ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err,
"DSA verify failure. No DSA verify will be done.\n");
ERR_print_errors(bio_err);
dsa_doit[j] = 0;
} else {
pkey_print_message("verify", "dsa",
dsa_c[j][1], dsa_bits[j], DSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(dsa_c[j][1]); count++) {
ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);
if (ret <= 0) {
BIO_printf(bio_err, "DSA verify failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R4:%ld:%d:%.2f\n"
: "%ld %d bit DSA verify in %.2fs\n",
count, dsa_bits[j], d);
dsa_results[j][1] = d / (double)count;
}
if (rsa_count <= 1) {
for (j++; j < DSA_NUM; j++)
dsa_doit[j] = 0;
}
}
if (rnd_fake)
RAND_cleanup();
# endif
# ifndef OPENSSL_NO_ECDSA
if (RAND_status() != 1) {
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j = 0; j < EC_NUM; j++) {
int ret;
if (!ecdsa_doit[j])
continue;
ecdsa[j] = EC_KEY_new_by_curve_name(test_curves[j]);
if (ecdsa[j] == NULL) {
BIO_printf(bio_err, "ECDSA failure.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
# if 1
EC_KEY_precompute_mult(ecdsa[j], NULL);
# endif
EC_KEY_generate_key(ecdsa[j]);
ret = ECDSA_sign(0, buf, 20, ecdsasig, &ecdsasiglen, ecdsa[j]);
if (ret == 0) {
BIO_printf(bio_err,
"ECDSA sign failure. No ECDSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
pkey_print_message("sign", "ecdsa",
ecdsa_c[j][0],
test_curves_bits[j], ECDSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(ecdsa_c[j][0]); count++) {
ret = ECDSA_sign(0, buf, 20,
ecdsasig, &ecdsasiglen, ecdsa[j]);
if (ret == 0) {
BIO_printf(bio_err, "ECDSA sign failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R5:%ld:%d:%.2f\n" :
"%ld %d bit ECDSA signs in %.2fs \n",
count, test_curves_bits[j], d);
ecdsa_results[j][0] = d / (double)count;
rsa_count = count;
}
ret = ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen, ecdsa[j]);
if (ret != 1) {
BIO_printf(bio_err,
"ECDSA verify failure. No ECDSA verify will be done.\n");
ERR_print_errors(bio_err);
ecdsa_doit[j] = 0;
} else {
pkey_print_message("verify", "ecdsa",
ecdsa_c[j][1],
test_curves_bits[j], ECDSA_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(ecdsa_c[j][1]); count++) {
ret =
ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen,
ecdsa[j]);
if (ret != 1) {
BIO_printf(bio_err, "ECDSA verify failure\n");
ERR_print_errors(bio_err);
count = 1;
break;
}
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R6:%ld:%d:%.2f\n"
: "%ld %d bit ECDSA verify in %.2fs\n",
count, test_curves_bits[j], d);
ecdsa_results[j][1] = d / (double)count;
}
if (rsa_count <= 1) {
for (j++; j < EC_NUM; j++)
ecdsa_doit[j] = 0;
}
}
}
if (rnd_fake)
RAND_cleanup();
# endif
# ifndef OPENSSL_NO_ECDH
if (RAND_status() != 1) {
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j = 0; j < EC_NUM; j++) {
if (!ecdh_doit[j])
continue;
ecdh_a[j] = EC_KEY_new_by_curve_name(test_curves[j]);
ecdh_b[j] = EC_KEY_new_by_curve_name(test_curves[j]);
if ((ecdh_a[j] == NULL) || (ecdh_b[j] == NULL)) {
BIO_printf(bio_err, "ECDH failure.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
if (!EC_KEY_generate_key(ecdh_a[j]) ||
!EC_KEY_generate_key(ecdh_b[j])) {
BIO_printf(bio_err, "ECDH key generation failure.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
} else {
int field_size, outlen;
void *(*kdf) (const void *in, size_t inlen, void *out,
size_t *xoutlen);
field_size =
EC_GROUP_get_degree(EC_KEY_get0_group(ecdh_a[j]));
if (field_size <= 24 * 8) {
outlen = KDF1_SHA1_len;
kdf = KDF1_SHA1;
} else {
outlen = (field_size + 7) / 8;
kdf = NULL;
}
secret_size_a =
ECDH_compute_key(secret_a, outlen,
EC_KEY_get0_public_key(ecdh_b[j]),
ecdh_a[j], kdf);
secret_size_b =
ECDH_compute_key(secret_b, outlen,
EC_KEY_get0_public_key(ecdh_a[j]),
ecdh_b[j], kdf);
if (secret_size_a != secret_size_b)
ecdh_checks = 0;
else
ecdh_checks = 1;
for (secret_idx = 0; (secret_idx < secret_size_a)
&& (ecdh_checks == 1); secret_idx++) {
if (secret_a[secret_idx] != secret_b[secret_idx])
ecdh_checks = 0;
}
if (ecdh_checks == 0) {
BIO_printf(bio_err, "ECDH computations don't match.\n");
ERR_print_errors(bio_err);
rsa_count = 1;
}
pkey_print_message("", "ecdh",
ecdh_c[j][0],
test_curves_bits[j], ECDH_SECONDS);
Time_F(START);
for (count = 0, run = 1; COND(ecdh_c[j][0]); count++) {
ECDH_compute_key(secret_a, outlen,
EC_KEY_get0_public_key(ecdh_b[j]),
ecdh_a[j], kdf);
}
d = Time_F(STOP);
BIO_printf(bio_err,
mr ? "+R7:%ld:%d:%.2f\n" :
"%ld %d-bit ECDH ops in %.2fs\n", count,
test_curves_bits[j], d);
ecdh_results[j][0] = d / (double)count;
rsa_count = count;
}
}
if (rsa_count <= 1) {
for (j++; j < EC_NUM; j++)
ecdh_doit[j] = 0;
}
}
if (rnd_fake)
RAND_cleanup();
# endif
# ifndef NO_FORK
show_res:
# endif
if (!mr) {
fprintf(stdout, "%s\n", SSLeay_version(SSLEAY_VERSION));
fprintf(stdout, "%s\n", SSLeay_version(SSLEAY_BUILT_ON));
printf("options:");
printf("%s ", BN_options());
# ifndef OPENSSL_NO_MD2
printf("%s ", MD2_options());
# endif
# ifndef OPENSSL_NO_RC4
printf("%s ", RC4_options());
# endif
# ifndef OPENSSL_NO_DES
printf("%s ", DES_options());
# endif
# ifndef OPENSSL_NO_AES
printf("%s ", AES_options());
# endif
# ifndef OPENSSL_NO_IDEA
printf("%s ", idea_options());
# endif
# ifndef OPENSSL_NO_BF
printf("%s ", BF_options());
# endif
fprintf(stdout, "\n%s\n", SSLeay_version(SSLEAY_CFLAGS));
}
if (pr_header) {
if (mr)
fprintf(stdout, "+H");
else {
fprintf(stdout,
"The 'numbers' are in 1000s of bytes per second processed.\n");
fprintf(stdout, "type ");
}
for (j = 0; j < SIZE_NUM; j++)
fprintf(stdout, mr ? ":%d" : "%7d bytes", lengths[j]);
fprintf(stdout, "\n");
}
for (k = 0; k < ALGOR_NUM; k++) {
if (!doit[k])
continue;
if (mr)
fprintf(stdout, "+F:%d:%s", k, names[k]);
else
fprintf(stdout, "%-13s", names[k]);
for (j = 0; j < SIZE_NUM; j++) {
if (results[k][j] > 10000 && !mr)
fprintf(stdout, " %11.2fk", results[k][j] / 1e3);
else
fprintf(stdout, mr ? ":%.2f" : " %11.2f ", results[k][j]);
}
fprintf(stdout, "\n");
}
# ifndef OPENSSL_NO_RSA
j = 1;
for (k = 0; k < RSA_NUM; k++) {
if (!rsa_doit[k])
continue;
if (j && !mr) {
printf("%18ssign verify sign/s verify/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F2:%u:%u:%f:%f\n",
k, rsa_bits[k], rsa_results[k][0], rsa_results[k][1]);
else
fprintf(stdout, "rsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\n",
rsa_bits[k], rsa_results[k][0], rsa_results[k][1],
1.0 / rsa_results[k][0], 1.0 / rsa_results[k][1]);
}
# endif
# ifndef OPENSSL_NO_DSA
j = 1;
for (k = 0; k < DSA_NUM; k++) {
if (!dsa_doit[k])
continue;
if (j && !mr) {
printf("%18ssign verify sign/s verify/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F3:%u:%u:%f:%f\n",
k, dsa_bits[k], dsa_results[k][0], dsa_results[k][1]);
else
fprintf(stdout, "dsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\n",
dsa_bits[k], dsa_results[k][0], dsa_results[k][1],
1.0 / dsa_results[k][0], 1.0 / dsa_results[k][1]);
}
# endif
# ifndef OPENSSL_NO_ECDSA
j = 1;
for (k = 0; k < EC_NUM; k++) {
if (!ecdsa_doit[k])
continue;
if (j && !mr) {
printf("%30ssign verify sign/s verify/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F4:%u:%u:%f:%f\n",
k, test_curves_bits[k],
ecdsa_results[k][0], ecdsa_results[k][1]);
else
fprintf(stdout,
"%4u bit ecdsa (%s) %8.4fs %8.4fs %8.1f %8.1f\n",
test_curves_bits[k],
test_curves_names[k],
ecdsa_results[k][0], ecdsa_results[k][1],
1.0 / ecdsa_results[k][0], 1.0 / ecdsa_results[k][1]);
}
# endif
# ifndef OPENSSL_NO_ECDH
j = 1;
for (k = 0; k < EC_NUM; k++) {
if (!ecdh_doit[k])
continue;
if (j && !mr) {
printf("%30sop op/s\n", " ");
j = 0;
}
if (mr)
fprintf(stdout, "+F5:%u:%u:%f:%f\n",
k, test_curves_bits[k],
ecdh_results[k][0], 1.0 / ecdh_results[k][0]);
else
fprintf(stdout, "%4u bit ecdh (%s) %8.4fs %8.1f\n",
test_curves_bits[k],
test_curves_names[k],
ecdh_results[k][0], 1.0 / ecdh_results[k][0]);
}
# endif
mret = 0;
end:
ERR_print_errors(bio_err);
if (buf_malloc != NULL)
OPENSSL_free(buf_malloc);
if (buf2_malloc != NULL)
OPENSSL_free(buf2_malloc);
# ifndef OPENSSL_NO_RSA
for (i = 0; i < RSA_NUM; i++)
if (rsa_key[i] != NULL)
RSA_free(rsa_key[i]);
# endif
# ifndef OPENSSL_NO_DSA
for (i = 0; i < DSA_NUM; i++)
if (dsa_key[i] != NULL)
DSA_free(dsa_key[i]);
# endif
# ifndef OPENSSL_NO_ECDSA
for (i = 0; i < EC_NUM; i++)
if (ecdsa[i] != NULL)
EC_KEY_free(ecdsa[i]);
# endif
# ifndef OPENSSL_NO_ECDH
for (i = 0; i < EC_NUM; i++) {
if (ecdh_a[i] != NULL)
EC_KEY_free(ecdh_a[i]);
if (ecdh_b[i] != NULL)
EC_KEY_free(ecdh_b[i]);
}
# endif
apps_shutdown();
OPENSSL_EXIT(mret);
} | ['int MAIN(int argc, char **argv)\n{\n unsigned char *buf_malloc = NULL, *buf2_malloc = NULL;\n unsigned char *buf = NULL, *buf2 = NULL;\n int mret = 1;\n long count = 0, save_count = 0;\n int i, j, k;\n# if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)\n long rsa_count;\n# endif\n# ifndef OPENSSL_NO_RSA\n unsigned rsa_num;\n# endif\n unsigned char md[EVP_MAX_MD_SIZE];\n# ifndef OPENSSL_NO_MD2\n unsigned char md2[MD2_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_MDC2\n unsigned char mdc2[MDC2_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_MD4\n unsigned char md4[MD4_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_MD5\n unsigned char md5[MD5_DIGEST_LENGTH];\n unsigned char hmac[MD5_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_SHA\n unsigned char sha[SHA_DIGEST_LENGTH];\n# ifndef OPENSSL_NO_SHA256\n unsigned char sha256[SHA256_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_SHA512\n unsigned char sha512[SHA512_DIGEST_LENGTH];\n# endif\n# endif\n# ifndef OPENSSL_NO_WHIRLPOOL\n unsigned char whirlpool[WHIRLPOOL_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_RMD160\n unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];\n# endif\n# ifndef OPENSSL_NO_RC4\n RC4_KEY rc4_ks;\n# endif\n# ifndef OPENSSL_NO_RC5\n RC5_32_KEY rc5_ks;\n# endif\n# ifndef OPENSSL_NO_RC2\n RC2_KEY rc2_ks;\n# endif\n# ifndef OPENSSL_NO_IDEA\n IDEA_KEY_SCHEDULE idea_ks;\n# endif\n# ifndef OPENSSL_NO_SEED\n SEED_KEY_SCHEDULE seed_ks;\n# endif\n# ifndef OPENSSL_NO_BF\n BF_KEY bf_ks;\n# endif\n# ifndef OPENSSL_NO_CAST\n CAST_KEY cast_ks;\n# endif\n static const unsigned char key16[16] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12\n };\n# ifndef OPENSSL_NO_AES\n static const unsigned char key24[24] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34\n };\n static const unsigned char key32[32] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,\n 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56\n };\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n static const unsigned char ckey24[24] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34\n };\n static const unsigned char ckey32[32] = {\n 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,\n 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12,\n 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34,\n 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34, 0x56\n };\n# endif\n# ifndef OPENSSL_NO_AES\n# define MAX_BLOCK_SIZE 128\n# else\n# define MAX_BLOCK_SIZE 64\n# endif\n unsigned char DES_iv[8];\n unsigned char iv[2 * MAX_BLOCK_SIZE / 8];\n# ifndef OPENSSL_NO_DES\n static DES_cblock key =\n { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };\n static DES_cblock key2 =\n { 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12 };\n static DES_cblock key3 =\n { 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12, 0x34 };\n DES_key_schedule sch;\n DES_key_schedule sch2;\n DES_key_schedule sch3;\n# endif\n# ifndef OPENSSL_NO_AES\n AES_KEY aes_ks1, aes_ks2, aes_ks3;\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n CAMELLIA_KEY camellia_ks1, camellia_ks2, camellia_ks3;\n# endif\n# define D_MD2 0\n# define D_MDC2 1\n# define D_MD4 2\n# define D_MD5 3\n# define D_HMAC 4\n# define D_SHA1 5\n# define D_RMD160 6\n# define D_RC4 7\n# define D_CBC_DES 8\n# define D_EDE3_DES 9\n# define D_CBC_IDEA 10\n# define D_CBC_SEED 11\n# define D_CBC_RC2 12\n# define D_CBC_RC5 13\n# define D_CBC_BF 14\n# define D_CBC_CAST 15\n# define D_CBC_128_AES 16\n# define D_CBC_192_AES 17\n# define D_CBC_256_AES 18\n# define D_CBC_128_CML 19\n# define D_CBC_192_CML 20\n# define D_CBC_256_CML 21\n# define D_EVP 22\n# define D_SHA256 23\n# define D_SHA512 24\n# define D_WHIRLPOOL 25\n# define D_IGE_128_AES 26\n# define D_IGE_192_AES 27\n# define D_IGE_256_AES 28\n# define D_GHASH 29\n double d = 0.0;\n long c[ALGOR_NUM][SIZE_NUM];\n# ifndef OPENSSL_SYS_WIN32\n# endif\n# define R_DSA_512 0\n# define R_DSA_1024 1\n# define R_DSA_2048 2\n# define R_RSA_512 0\n# define R_RSA_1024 1\n# define R_RSA_2048 2\n# define R_RSA_3072 3\n# define R_RSA_4096 4\n# define R_RSA_7680 5\n# define R_RSA_15360 6\n# define R_EC_P160 0\n# define R_EC_P192 1\n# define R_EC_P224 2\n# define R_EC_P256 3\n# define R_EC_P384 4\n# define R_EC_P521 5\n# define R_EC_K163 6\n# define R_EC_K233 7\n# define R_EC_K283 8\n# define R_EC_K409 9\n# define R_EC_K571 10\n# define R_EC_B163 11\n# define R_EC_B233 12\n# define R_EC_B283 13\n# define R_EC_B409 14\n# define R_EC_B571 15\n# ifndef OPENSSL_NO_RSA\n RSA *rsa_key[RSA_NUM];\n long rsa_c[RSA_NUM][2];\n static unsigned int rsa_bits[RSA_NUM] = {\n 512, 1024, 2048, 3072, 4096, 7680, 15360\n };\n static unsigned char *rsa_data[RSA_NUM] = {\n test512, test1024, test2048, test3072, test4096, test7680, test15360\n };\n static int rsa_data_length[RSA_NUM] = {\n sizeof(test512), sizeof(test1024),\n sizeof(test2048), sizeof(test3072),\n sizeof(test4096), sizeof(test7680),\n sizeof(test15360)\n };\n# endif\n# ifndef OPENSSL_NO_DSA\n DSA *dsa_key[DSA_NUM];\n long dsa_c[DSA_NUM][2];\n static unsigned int dsa_bits[DSA_NUM] = { 512, 1024, 2048 };\n# endif\n# ifndef OPENSSL_NO_EC\n static unsigned int test_curves[EC_NUM] = {\n NID_secp160r1,\n NID_X9_62_prime192v1,\n NID_secp224r1,\n NID_X9_62_prime256v1,\n NID_secp384r1,\n NID_secp521r1,\n NID_sect163k1,\n NID_sect233k1,\n NID_sect283k1,\n NID_sect409k1,\n NID_sect571k1,\n NID_sect163r2,\n NID_sect233r1,\n NID_sect283r1,\n NID_sect409r1,\n NID_sect571r1\n };\n static const char *test_curves_names[EC_NUM] = {\n "secp160r1",\n "nistp192",\n "nistp224",\n "nistp256",\n "nistp384",\n "nistp521",\n "nistk163",\n "nistk233",\n "nistk283",\n "nistk409",\n "nistk571",\n "nistb163",\n "nistb233",\n "nistb283",\n "nistb409",\n "nistb571"\n };\n static int test_curves_bits[EC_NUM] = {\n 160, 192, 224, 256, 384, 521,\n 163, 233, 283, 409, 571,\n 163, 233, 283, 409, 571\n };\n# endif\n# ifndef OPENSSL_NO_ECDSA\n unsigned char ecdsasig[256];\n unsigned int ecdsasiglen;\n EC_KEY *ecdsa[EC_NUM];\n long ecdsa_c[EC_NUM][2];\n# endif\n# ifndef OPENSSL_NO_ECDH\n EC_KEY *ecdh_a[EC_NUM], *ecdh_b[EC_NUM];\n unsigned char secret_a[MAX_ECDH_SIZE], secret_b[MAX_ECDH_SIZE];\n int secret_size_a, secret_size_b;\n int ecdh_checks = 0;\n int secret_idx = 0;\n long ecdh_c[EC_NUM][2];\n# endif\n int rsa_doit[RSA_NUM];\n int dsa_doit[DSA_NUM];\n# ifndef OPENSSL_NO_ECDSA\n int ecdsa_doit[EC_NUM];\n# endif\n# ifndef OPENSSL_NO_ECDH\n int ecdh_doit[EC_NUM];\n# endif\n int doit[ALGOR_NUM];\n int pr_header = 0;\n const EVP_CIPHER *evp_cipher = NULL;\n const EVP_MD *evp_md = NULL;\n int decrypt = 0;\n# ifndef NO_FORK\n int multi = 0;\n# endif\n int multiblock = 0;\n int misalign = MAX_MISALIGNMENT + 1;\n# ifndef TIMES\n usertime = -1;\n# endif\n apps_startup();\n memset(results, 0, sizeof(results));\n# ifndef OPENSSL_NO_DSA\n memset(dsa_key, 0, sizeof(dsa_key));\n# endif\n# ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n ecdsa[i] = NULL;\n# endif\n# ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++) {\n ecdh_a[i] = NULL;\n ecdh_b[i] = NULL;\n }\n# endif\n if (bio_err == NULL)\n if ((bio_err = BIO_new(BIO_s_file())) != NULL)\n BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);\n if (!load_config(bio_err, NULL))\n goto end;\n# ifndef OPENSSL_NO_RSA\n memset(rsa_key, 0, sizeof(rsa_key));\n for (i = 0; i < RSA_NUM; i++)\n rsa_key[i] = NULL;\n# endif\n if ((buf_malloc =\n (unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {\n BIO_printf(bio_err, "out of memory\\n");\n goto end;\n }\n if ((buf2_malloc =\n (unsigned char *)OPENSSL_malloc(BUFSIZE + misalign)) == NULL) {\n BIO_printf(bio_err, "out of memory\\n");\n goto end;\n }\n misalign = 0;\n buf = buf_malloc;\n buf2 = buf2_malloc;\n memset(c, 0, sizeof(c));\n memset(DES_iv, 0, sizeof(DES_iv));\n memset(iv, 0, sizeof(iv));\n for (i = 0; i < ALGOR_NUM; i++)\n doit[i] = 0;\n for (i = 0; i < RSA_NUM; i++)\n rsa_doit[i] = 0;\n for (i = 0; i < DSA_NUM; i++)\n dsa_doit[i] = 0;\n# ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n ecdsa_doit[i] = 0;\n# endif\n# ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++)\n ecdh_doit[i] = 0;\n# endif\n j = 0;\n argc--;\n argv++;\n while (argc) {\n if ((argc > 0) && (strcmp(*argv, "-elapsed") == 0)) {\n usertime = 0;\n j--;\n } else if ((argc > 0) && (strcmp(*argv, "-evp") == 0)) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no EVP given\\n");\n goto end;\n }\n evp_cipher = EVP_get_cipherbyname(*argv);\n if (!evp_cipher) {\n evp_md = EVP_get_digestbyname(*argv);\n }\n if (!evp_cipher && !evp_md) {\n BIO_printf(bio_err, "%s is an unknown cipher or digest\\n",\n *argv);\n goto end;\n }\n doit[D_EVP] = 1;\n } else if (argc > 0 && !strcmp(*argv, "-decrypt")) {\n decrypt = 1;\n j--;\n }\n# ifndef OPENSSL_NO_ENGINE\n else if ((argc > 0) && (strcmp(*argv, "-engine") == 0)) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no engine given\\n");\n goto end;\n }\n setup_engine(bio_err, *argv, 0);\n j--;\n }\n# endif\n# ifndef NO_FORK\n else if ((argc > 0) && (strcmp(*argv, "-multi") == 0)) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no multi count given\\n");\n goto end;\n }\n multi = atoi(argv[0]);\n if (multi <= 0) {\n BIO_printf(bio_err, "bad multi count\\n");\n goto end;\n }\n j--;\n }\n# endif\n else if (argc > 0 && !strcmp(*argv, "-mr")) {\n mr = 1;\n j--;\n } else if (argc > 0 && !strcmp(*argv, "-mb")) {\n multiblock = 1;\n j--;\n } else if (argc > 0 && !strcmp(*argv, "-misalign")) {\n argc--;\n argv++;\n if (argc == 0) {\n BIO_printf(bio_err, "no misalignment given\\n");\n goto end;\n }\n misalign = atoi(argv[0]);\n if (misalign < 0 || misalign > MAX_MISALIGNMENT) {\n BIO_printf(bio_err,\n "misalignment is outsize permitted range 0-%d\\n",\n MAX_MISALIGNMENT);\n goto end;\n }\n buf = buf_malloc + misalign;\n buf2 = buf2_malloc + misalign;\n j--;\n } else\n# ifndef OPENSSL_NO_MD2\n if (strcmp(*argv, "md2") == 0)\n doit[D_MD2] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_MDC2\n if (strcmp(*argv, "mdc2") == 0)\n doit[D_MDC2] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_MD4\n if (strcmp(*argv, "md4") == 0)\n doit[D_MD4] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_MD5\n if (strcmp(*argv, "md5") == 0)\n doit[D_MD5] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_MD5\n if (strcmp(*argv, "hmac") == 0)\n doit[D_HMAC] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_SHA\n if (strcmp(*argv, "sha1") == 0)\n doit[D_SHA1] = 1;\n else if (strcmp(*argv, "sha") == 0)\n doit[D_SHA1] = 1, doit[D_SHA256] = 1, doit[D_SHA512] = 1;\n else\n# ifndef OPENSSL_NO_SHA256\n if (strcmp(*argv, "sha256") == 0)\n doit[D_SHA256] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_SHA512\n if (strcmp(*argv, "sha512") == 0)\n doit[D_SHA512] = 1;\n else\n# endif\n# endif\n# ifndef OPENSSL_NO_WHIRLPOOL\n if (strcmp(*argv, "whirlpool") == 0)\n doit[D_WHIRLPOOL] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_RMD160\n if (strcmp(*argv, "ripemd") == 0)\n doit[D_RMD160] = 1;\n else if (strcmp(*argv, "rmd160") == 0)\n doit[D_RMD160] = 1;\n else if (strcmp(*argv, "ripemd160") == 0)\n doit[D_RMD160] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_RC4\n if (strcmp(*argv, "rc4") == 0)\n doit[D_RC4] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_DES\n if (strcmp(*argv, "des-cbc") == 0)\n doit[D_CBC_DES] = 1;\n else if (strcmp(*argv, "des-ede3") == 0)\n doit[D_EDE3_DES] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_AES\n if (strcmp(*argv, "aes-128-cbc") == 0)\n doit[D_CBC_128_AES] = 1;\n else if (strcmp(*argv, "aes-192-cbc") == 0)\n doit[D_CBC_192_AES] = 1;\n else if (strcmp(*argv, "aes-256-cbc") == 0)\n doit[D_CBC_256_AES] = 1;\n else if (strcmp(*argv, "aes-128-ige") == 0)\n doit[D_IGE_128_AES] = 1;\n else if (strcmp(*argv, "aes-192-ige") == 0)\n doit[D_IGE_192_AES] = 1;\n else if (strcmp(*argv, "aes-256-ige") == 0)\n doit[D_IGE_256_AES] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n if (strcmp(*argv, "camellia-128-cbc") == 0)\n doit[D_CBC_128_CML] = 1;\n else if (strcmp(*argv, "camellia-192-cbc") == 0)\n doit[D_CBC_192_CML] = 1;\n else if (strcmp(*argv, "camellia-256-cbc") == 0)\n doit[D_CBC_256_CML] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_RSA\n# if 0\n if (strcmp(*argv, "rsaref") == 0) {\n RSA_set_default_openssl_method(RSA_PKCS1_RSAref());\n j--;\n } else\n# endif\n# ifndef RSA_NULL\n if (strcmp(*argv, "openssl") == 0) {\n RSA_set_default_method(RSA_PKCS1_SSLeay());\n j--;\n } else\n# endif\n# endif\n if (strcmp(*argv, "dsa512") == 0)\n dsa_doit[R_DSA_512] = 2;\n else if (strcmp(*argv, "dsa1024") == 0)\n dsa_doit[R_DSA_1024] = 2;\n else if (strcmp(*argv, "dsa2048") == 0)\n dsa_doit[R_DSA_2048] = 2;\n else if (strcmp(*argv, "rsa512") == 0)\n rsa_doit[R_RSA_512] = 2;\n else if (strcmp(*argv, "rsa1024") == 0)\n rsa_doit[R_RSA_1024] = 2;\n else if (strcmp(*argv, "rsa2048") == 0)\n rsa_doit[R_RSA_2048] = 2;\n else if (strcmp(*argv, "rsa3072") == 0)\n rsa_doit[R_RSA_3072] = 2;\n else if (strcmp(*argv, "rsa4096") == 0)\n rsa_doit[R_RSA_4096] = 2;\n else if (strcmp(*argv, "rsa7680") == 0)\n rsa_doit[R_RSA_7680] = 2;\n else if (strcmp(*argv, "rsa15360") == 0)\n rsa_doit[R_RSA_15360] = 2;\n else\n# ifndef OPENSSL_NO_RC2\n if (strcmp(*argv, "rc2-cbc") == 0)\n doit[D_CBC_RC2] = 1;\n else if (strcmp(*argv, "rc2") == 0)\n doit[D_CBC_RC2] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_RC5\n if (strcmp(*argv, "rc5-cbc") == 0)\n doit[D_CBC_RC5] = 1;\n else if (strcmp(*argv, "rc5") == 0)\n doit[D_CBC_RC5] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_IDEA\n if (strcmp(*argv, "idea-cbc") == 0)\n doit[D_CBC_IDEA] = 1;\n else if (strcmp(*argv, "idea") == 0)\n doit[D_CBC_IDEA] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_SEED\n if (strcmp(*argv, "seed-cbc") == 0)\n doit[D_CBC_SEED] = 1;\n else if (strcmp(*argv, "seed") == 0)\n doit[D_CBC_SEED] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_BF\n if (strcmp(*argv, "bf-cbc") == 0)\n doit[D_CBC_BF] = 1;\n else if (strcmp(*argv, "blowfish") == 0)\n doit[D_CBC_BF] = 1;\n else if (strcmp(*argv, "bf") == 0)\n doit[D_CBC_BF] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_CAST\n if (strcmp(*argv, "cast-cbc") == 0)\n doit[D_CBC_CAST] = 1;\n else if (strcmp(*argv, "cast") == 0)\n doit[D_CBC_CAST] = 1;\n else if (strcmp(*argv, "cast5") == 0)\n doit[D_CBC_CAST] = 1;\n else\n# endif\n# ifndef OPENSSL_NO_DES\n if (strcmp(*argv, "des") == 0) {\n doit[D_CBC_DES] = 1;\n doit[D_EDE3_DES] = 1;\n } else\n# endif\n# ifndef OPENSSL_NO_AES\n if (strcmp(*argv, "aes") == 0) {\n doit[D_CBC_128_AES] = 1;\n doit[D_CBC_192_AES] = 1;\n doit[D_CBC_256_AES] = 1;\n } else if (strcmp(*argv, "ghash") == 0) {\n doit[D_GHASH] = 1;\n } else\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n if (strcmp(*argv, "camellia") == 0) {\n doit[D_CBC_128_CML] = 1;\n doit[D_CBC_192_CML] = 1;\n doit[D_CBC_256_CML] = 1;\n } else\n# endif\n# ifndef OPENSSL_NO_RSA\n if (strcmp(*argv, "rsa") == 0) {\n rsa_doit[R_RSA_512] = 1;\n rsa_doit[R_RSA_1024] = 1;\n rsa_doit[R_RSA_2048] = 1;\n rsa_doit[R_RSA_3072] = 1;\n rsa_doit[R_RSA_4096] = 1;\n rsa_doit[R_RSA_7680] = 1;\n rsa_doit[R_RSA_15360] = 1;\n } else\n# endif\n# ifndef OPENSSL_NO_DSA\n if (strcmp(*argv, "dsa") == 0) {\n dsa_doit[R_DSA_512] = 1;\n dsa_doit[R_DSA_1024] = 1;\n dsa_doit[R_DSA_2048] = 1;\n } else\n# endif\n# ifndef OPENSSL_NO_ECDSA\n if (strcmp(*argv, "ecdsap160") == 0)\n ecdsa_doit[R_EC_P160] = 2;\n else if (strcmp(*argv, "ecdsap192") == 0)\n ecdsa_doit[R_EC_P192] = 2;\n else if (strcmp(*argv, "ecdsap224") == 0)\n ecdsa_doit[R_EC_P224] = 2;\n else if (strcmp(*argv, "ecdsap256") == 0)\n ecdsa_doit[R_EC_P256] = 2;\n else if (strcmp(*argv, "ecdsap384") == 0)\n ecdsa_doit[R_EC_P384] = 2;\n else if (strcmp(*argv, "ecdsap521") == 0)\n ecdsa_doit[R_EC_P521] = 2;\n else if (strcmp(*argv, "ecdsak163") == 0)\n ecdsa_doit[R_EC_K163] = 2;\n else if (strcmp(*argv, "ecdsak233") == 0)\n ecdsa_doit[R_EC_K233] = 2;\n else if (strcmp(*argv, "ecdsak283") == 0)\n ecdsa_doit[R_EC_K283] = 2;\n else if (strcmp(*argv, "ecdsak409") == 0)\n ecdsa_doit[R_EC_K409] = 2;\n else if (strcmp(*argv, "ecdsak571") == 0)\n ecdsa_doit[R_EC_K571] = 2;\n else if (strcmp(*argv, "ecdsab163") == 0)\n ecdsa_doit[R_EC_B163] = 2;\n else if (strcmp(*argv, "ecdsab233") == 0)\n ecdsa_doit[R_EC_B233] = 2;\n else if (strcmp(*argv, "ecdsab283") == 0)\n ecdsa_doit[R_EC_B283] = 2;\n else if (strcmp(*argv, "ecdsab409") == 0)\n ecdsa_doit[R_EC_B409] = 2;\n else if (strcmp(*argv, "ecdsab571") == 0)\n ecdsa_doit[R_EC_B571] = 2;\n else if (strcmp(*argv, "ecdsa") == 0) {\n for (i = 0; i < EC_NUM; i++)\n ecdsa_doit[i] = 1;\n } else\n# endif\n# ifndef OPENSSL_NO_ECDH\n if (strcmp(*argv, "ecdhp160") == 0)\n ecdh_doit[R_EC_P160] = 2;\n else if (strcmp(*argv, "ecdhp192") == 0)\n ecdh_doit[R_EC_P192] = 2;\n else if (strcmp(*argv, "ecdhp224") == 0)\n ecdh_doit[R_EC_P224] = 2;\n else if (strcmp(*argv, "ecdhp256") == 0)\n ecdh_doit[R_EC_P256] = 2;\n else if (strcmp(*argv, "ecdhp384") == 0)\n ecdh_doit[R_EC_P384] = 2;\n else if (strcmp(*argv, "ecdhp521") == 0)\n ecdh_doit[R_EC_P521] = 2;\n else if (strcmp(*argv, "ecdhk163") == 0)\n ecdh_doit[R_EC_K163] = 2;\n else if (strcmp(*argv, "ecdhk233") == 0)\n ecdh_doit[R_EC_K233] = 2;\n else if (strcmp(*argv, "ecdhk283") == 0)\n ecdh_doit[R_EC_K283] = 2;\n else if (strcmp(*argv, "ecdhk409") == 0)\n ecdh_doit[R_EC_K409] = 2;\n else if (strcmp(*argv, "ecdhk571") == 0)\n ecdh_doit[R_EC_K571] = 2;\n else if (strcmp(*argv, "ecdhb163") == 0)\n ecdh_doit[R_EC_B163] = 2;\n else if (strcmp(*argv, "ecdhb233") == 0)\n ecdh_doit[R_EC_B233] = 2;\n else if (strcmp(*argv, "ecdhb283") == 0)\n ecdh_doit[R_EC_B283] = 2;\n else if (strcmp(*argv, "ecdhb409") == 0)\n ecdh_doit[R_EC_B409] = 2;\n else if (strcmp(*argv, "ecdhb571") == 0)\n ecdh_doit[R_EC_B571] = 2;\n else if (strcmp(*argv, "ecdh") == 0) {\n for (i = 0; i < EC_NUM; i++)\n ecdh_doit[i] = 1;\n } else\n# endif\n {\n BIO_printf(bio_err, "Error: bad option or value\\n");\n BIO_printf(bio_err, "\\n");\n BIO_printf(bio_err, "Available values:\\n");\n# ifndef OPENSSL_NO_MD2\n BIO_printf(bio_err, "md2 ");\n# endif\n# ifndef OPENSSL_NO_MDC2\n BIO_printf(bio_err, "mdc2 ");\n# endif\n# ifndef OPENSSL_NO_MD4\n BIO_printf(bio_err, "md4 ");\n# endif\n# ifndef OPENSSL_NO_MD5\n BIO_printf(bio_err, "md5 ");\n# ifndef OPENSSL_NO_HMAC\n BIO_printf(bio_err, "hmac ");\n# endif\n# endif\n# ifndef OPENSSL_NO_SHA1\n BIO_printf(bio_err, "sha1 ");\n# endif\n# ifndef OPENSSL_NO_SHA256\n BIO_printf(bio_err, "sha256 ");\n# endif\n# ifndef OPENSSL_NO_SHA512\n BIO_printf(bio_err, "sha512 ");\n# endif\n# ifndef OPENSSL_NO_WHIRLPOOL\n BIO_printf(bio_err, "whirlpool");\n# endif\n# ifndef OPENSSL_NO_RMD160\n BIO_printf(bio_err, "rmd160");\n# endif\n# if !defined(OPENSSL_NO_MD2) || !defined(OPENSSL_NO_MDC2) || \\\n !defined(OPENSSL_NO_MD4) || !defined(OPENSSL_NO_MD5) || \\\n !defined(OPENSSL_NO_SHA1) || !defined(OPENSSL_NO_RMD160) || \\\n !defined(OPENSSL_NO_WHIRLPOOL)\n BIO_printf(bio_err, "\\n");\n# endif\n# ifndef OPENSSL_NO_IDEA\n BIO_printf(bio_err, "idea-cbc ");\n# endif\n# ifndef OPENSSL_NO_SEED\n BIO_printf(bio_err, "seed-cbc ");\n# endif\n# ifndef OPENSSL_NO_RC2\n BIO_printf(bio_err, "rc2-cbc ");\n# endif\n# ifndef OPENSSL_NO_RC5\n BIO_printf(bio_err, "rc5-cbc ");\n# endif\n# ifndef OPENSSL_NO_BF\n BIO_printf(bio_err, "bf-cbc");\n# endif\n# if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || !defined(OPENSSL_NO_RC2) || \\\n !defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_RC5)\n BIO_printf(bio_err, "\\n");\n# endif\n# ifndef OPENSSL_NO_DES\n BIO_printf(bio_err, "des-cbc des-ede3 ");\n# endif\n# ifndef OPENSSL_NO_AES\n BIO_printf(bio_err, "aes-128-cbc aes-192-cbc aes-256-cbc ");\n BIO_printf(bio_err, "aes-128-ige aes-192-ige aes-256-ige ");\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n BIO_printf(bio_err, "\\n");\n BIO_printf(bio_err,\n "camellia-128-cbc camellia-192-cbc camellia-256-cbc ");\n# endif\n# ifndef OPENSSL_NO_RC4\n BIO_printf(bio_err, "rc4");\n# endif\n BIO_printf(bio_err, "\\n");\n# ifndef OPENSSL_NO_RSA\n BIO_printf(bio_err,\n "rsa512 rsa1024 rsa2048 rsa3072 rsa4096\\n");\n BIO_printf(bio_err, "rsa7680 rsa15360\\n");\n# endif\n# ifndef OPENSSL_NO_DSA\n BIO_printf(bio_err, "dsa512 dsa1024 dsa2048\\n");\n# endif\n# ifndef OPENSSL_NO_ECDSA\n BIO_printf(bio_err, "ecdsap160 ecdsap192 ecdsap224 "\n "ecdsap256 ecdsap384 ecdsap521\\n");\n BIO_printf(bio_err,\n "ecdsak163 ecdsak233 ecdsak283 ecdsak409 ecdsak571\\n");\n BIO_printf(bio_err,\n "ecdsab163 ecdsab233 ecdsab283 ecdsab409 ecdsab571\\n");\n BIO_printf(bio_err, "ecdsa\\n");\n# endif\n# ifndef OPENSSL_NO_ECDH\n BIO_printf(bio_err, "ecdhp160 ecdhp192 ecdhp224 "\n "ecdhp256 ecdhp384 ecdhp521\\n");\n BIO_printf(bio_err,\n "ecdhk163 ecdhk233 ecdhk283 ecdhk409 ecdhk571\\n");\n BIO_printf(bio_err,\n "ecdhb163 ecdhb233 ecdhb283 ecdhb409 ecdhb571\\n");\n BIO_printf(bio_err, "ecdh\\n");\n# endif\n# ifndef OPENSSL_NO_IDEA\n BIO_printf(bio_err, "idea ");\n# endif\n# ifndef OPENSSL_NO_SEED\n BIO_printf(bio_err, "seed ");\n# endif\n# ifndef OPENSSL_NO_RC2\n BIO_printf(bio_err, "rc2 ");\n# endif\n# ifndef OPENSSL_NO_DES\n BIO_printf(bio_err, "des ");\n# endif\n# ifndef OPENSSL_NO_AES\n BIO_printf(bio_err, "aes ");\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n BIO_printf(bio_err, "camellia ");\n# endif\n# ifndef OPENSSL_NO_RSA\n BIO_printf(bio_err, "rsa ");\n# endif\n# ifndef OPENSSL_NO_BF\n BIO_printf(bio_err, "blowfish");\n# endif\n# if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_SEED) || \\\n !defined(OPENSSL_NO_RC2) || !defined(OPENSSL_NO_DES) || \\\n !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_BF) || \\\n !defined(OPENSSL_NO_AES) || !defined(OPENSSL_NO_CAMELLIA)\n BIO_printf(bio_err, "\\n");\n# endif\n BIO_printf(bio_err, "\\n");\n BIO_printf(bio_err, "Available options:\\n");\n# if defined(TIMES) || defined(USE_TOD)\n BIO_printf(bio_err, "-elapsed "\n "measure time in real time instead of CPU user time.\\n");\n# endif\n# ifndef OPENSSL_NO_ENGINE\n BIO_printf(bio_err,\n "-engine e "\n "use engine e, possibly a hardware device.\\n");\n# endif\n BIO_printf(bio_err, "-evp e " "use EVP e.\\n");\n BIO_printf(bio_err,\n "-decrypt "\n "time decryption instead of encryption (only EVP).\\n");\n BIO_printf(bio_err,\n "-mr "\n "produce machine readable output.\\n");\n BIO_printf(bio_err,\n "-mb "\n "perform multi-block benchmark (for specific ciphers)\\n");\n BIO_printf(bio_err,\n "-misalign n "\n "perform benchmark with misaligned data\\n");\n# ifndef NO_FORK\n BIO_printf(bio_err,\n "-multi n " "run n benchmarks in parallel.\\n");\n# endif\n goto end;\n }\n argc--;\n argv++;\n j++;\n }\n# ifndef NO_FORK\n if (multi && do_multi(multi))\n goto show_res;\n# endif\n if (j == 0) {\n for (i = 0; i < ALGOR_NUM; i++) {\n if (i != D_EVP)\n doit[i] = 1;\n }\n for (i = 0; i < RSA_NUM; i++)\n rsa_doit[i] = 1;\n for (i = 0; i < DSA_NUM; i++)\n dsa_doit[i] = 1;\n# ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n ecdsa_doit[i] = 1;\n# endif\n# ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++)\n ecdh_doit[i] = 1;\n# endif\n }\n for (i = 0; i < ALGOR_NUM; i++)\n if (doit[i])\n pr_header++;\n if (usertime == 0 && !mr)\n BIO_printf(bio_err,\n "You have chosen to measure elapsed time "\n "instead of user CPU time.\\n");\n# ifndef OPENSSL_NO_RSA\n for (i = 0; i < RSA_NUM; i++) {\n const unsigned char *p;\n p = rsa_data[i];\n rsa_key[i] = d2i_RSAPrivateKey(NULL, &p, rsa_data_length[i]);\n if (rsa_key[i] == NULL) {\n BIO_printf(bio_err, "internal error loading RSA key number %d\\n",\n i);\n goto end;\n }\n# if 0\n else {\n BIO_printf(bio_err,\n mr ? "+RK:%d:"\n : "Loaded RSA key, %d bit modulus and e= 0x",\n BN_num_bits(rsa_key[i]->n));\n BN_print(bio_err, rsa_key[i]->e);\n BIO_printf(bio_err, "\\n");\n }\n# endif\n }\n# endif\n# ifndef OPENSSL_NO_DSA\n dsa_key[0] = get_dsa512();\n dsa_key[1] = get_dsa1024();\n dsa_key[2] = get_dsa2048();\n# endif\n# ifndef OPENSSL_NO_DES\n DES_set_key_unchecked(&key, &sch);\n DES_set_key_unchecked(&key2, &sch2);\n DES_set_key_unchecked(&key3, &sch3);\n# endif\n# ifndef OPENSSL_NO_AES\n AES_set_encrypt_key(key16, 128, &aes_ks1);\n AES_set_encrypt_key(key24, 192, &aes_ks2);\n AES_set_encrypt_key(key32, 256, &aes_ks3);\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n Camellia_set_key(key16, 128, &camellia_ks1);\n Camellia_set_key(ckey24, 192, &camellia_ks2);\n Camellia_set_key(ckey32, 256, &camellia_ks3);\n# endif\n# ifndef OPENSSL_NO_IDEA\n idea_set_encrypt_key(key16, &idea_ks);\n# endif\n# ifndef OPENSSL_NO_SEED\n SEED_set_key(key16, &seed_ks);\n# endif\n# ifndef OPENSSL_NO_RC4\n RC4_set_key(&rc4_ks, 16, key16);\n# endif\n# ifndef OPENSSL_NO_RC2\n RC2_set_key(&rc2_ks, 16, key16, 128);\n# endif\n# ifndef OPENSSL_NO_RC5\n RC5_32_set_key(&rc5_ks, 16, key16, 12);\n# endif\n# ifndef OPENSSL_NO_BF\n BF_set_key(&bf_ks, 16, key16);\n# endif\n# ifndef OPENSSL_NO_CAST\n CAST_set_key(&cast_ks, 16, key16);\n# endif\n# ifndef OPENSSL_NO_RSA\n memset(rsa_c, 0, sizeof(rsa_c));\n# endif\n# ifndef SIGALRM\n# ifndef OPENSSL_NO_DES\n BIO_printf(bio_err, "First we calculate the approximate speed ...\\n");\n count = 10;\n do {\n long it;\n count *= 2;\n Time_F(START);\n for (it = count; it; it--)\n DES_ecb_encrypt((DES_cblock *)buf,\n (DES_cblock *)buf, &sch, DES_ENCRYPT);\n d = Time_F(STOP);\n } while (d < 3);\n save_count = count;\n c[D_MD2][0] = count / 10;\n c[D_MDC2][0] = count / 10;\n c[D_MD4][0] = count;\n c[D_MD5][0] = count;\n c[D_HMAC][0] = count;\n c[D_SHA1][0] = count;\n c[D_RMD160][0] = count;\n c[D_RC4][0] = count * 5;\n c[D_CBC_DES][0] = count;\n c[D_EDE3_DES][0] = count / 3;\n c[D_CBC_IDEA][0] = count;\n c[D_CBC_SEED][0] = count;\n c[D_CBC_RC2][0] = count;\n c[D_CBC_RC5][0] = count;\n c[D_CBC_BF][0] = count;\n c[D_CBC_CAST][0] = count;\n c[D_CBC_128_AES][0] = count;\n c[D_CBC_192_AES][0] = count;\n c[D_CBC_256_AES][0] = count;\n c[D_CBC_128_CML][0] = count;\n c[D_CBC_192_CML][0] = count;\n c[D_CBC_256_CML][0] = count;\n c[D_SHA256][0] = count;\n c[D_SHA512][0] = count;\n c[D_WHIRLPOOL][0] = count;\n c[D_IGE_128_AES][0] = count;\n c[D_IGE_192_AES][0] = count;\n c[D_IGE_256_AES][0] = count;\n c[D_GHASH][0] = count;\n for (i = 1; i < SIZE_NUM; i++) {\n long l0, l1;\n l0 = (long)lengths[0];\n l1 = (long)lengths[i];\n c[D_MD2][i] = c[D_MD2][0] * 4 * l0 / l1;\n c[D_MDC2][i] = c[D_MDC2][0] * 4 * l0 / l1;\n c[D_MD4][i] = c[D_MD4][0] * 4 * l0 / l1;\n c[D_MD5][i] = c[D_MD5][0] * 4 * l0 / l1;\n c[D_HMAC][i] = c[D_HMAC][0] * 4 * l0 / l1;\n c[D_SHA1][i] = c[D_SHA1][0] * 4 * l0 / l1;\n c[D_RMD160][i] = c[D_RMD160][0] * 4 * l0 / l1;\n c[D_SHA256][i] = c[D_SHA256][0] * 4 * l0 / l1;\n c[D_SHA512][i] = c[D_SHA512][0] * 4 * l0 / l1;\n c[D_WHIRLPOOL][i] = c[D_WHIRLPOOL][0] * 4 * l0 / l1;\n l0 = (long)lengths[i - 1];\n c[D_RC4][i] = c[D_RC4][i - 1] * l0 / l1;\n c[D_CBC_DES][i] = c[D_CBC_DES][i - 1] * l0 / l1;\n c[D_EDE3_DES][i] = c[D_EDE3_DES][i - 1] * l0 / l1;\n c[D_CBC_IDEA][i] = c[D_CBC_IDEA][i - 1] * l0 / l1;\n c[D_CBC_SEED][i] = c[D_CBC_SEED][i - 1] * l0 / l1;\n c[D_CBC_RC2][i] = c[D_CBC_RC2][i - 1] * l0 / l1;\n c[D_CBC_RC5][i] = c[D_CBC_RC5][i - 1] * l0 / l1;\n c[D_CBC_BF][i] = c[D_CBC_BF][i - 1] * l0 / l1;\n c[D_CBC_CAST][i] = c[D_CBC_CAST][i - 1] * l0 / l1;\n c[D_CBC_128_AES][i] = c[D_CBC_128_AES][i - 1] * l0 / l1;\n c[D_CBC_192_AES][i] = c[D_CBC_192_AES][i - 1] * l0 / l1;\n c[D_CBC_256_AES][i] = c[D_CBC_256_AES][i - 1] * l0 / l1;\n c[D_CBC_128_CML][i] = c[D_CBC_128_CML][i - 1] * l0 / l1;\n c[D_CBC_192_CML][i] = c[D_CBC_192_CML][i - 1] * l0 / l1;\n c[D_CBC_256_CML][i] = c[D_CBC_256_CML][i - 1] * l0 / l1;\n c[D_IGE_128_AES][i] = c[D_IGE_128_AES][i - 1] * l0 / l1;\n c[D_IGE_192_AES][i] = c[D_IGE_192_AES][i - 1] * l0 / l1;\n c[D_IGE_256_AES][i] = c[D_IGE_256_AES][i - 1] * l0 / l1;\n }\n# ifndef OPENSSL_NO_RSA\n rsa_c[R_RSA_512][0] = count / 2000;\n rsa_c[R_RSA_512][1] = count / 400;\n for (i = 1; i < RSA_NUM; i++) {\n rsa_c[i][0] = rsa_c[i - 1][0] / 8;\n rsa_c[i][1] = rsa_c[i - 1][1] / 4;\n if ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))\n rsa_doit[i] = 0;\n else {\n if (rsa_c[i][0] == 0) {\n rsa_c[i][0] = 1;\n rsa_c[i][1] = 20;\n }\n }\n }\n# endif\n# ifndef OPENSSL_NO_DSA\n dsa_c[R_DSA_512][0] = count / 1000;\n dsa_c[R_DSA_512][1] = count / 1000 / 2;\n for (i = 1; i < DSA_NUM; i++) {\n dsa_c[i][0] = dsa_c[i - 1][0] / 4;\n dsa_c[i][1] = dsa_c[i - 1][1] / 4;\n if ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))\n dsa_doit[i] = 0;\n else {\n if (dsa_c[i] == 0) {\n dsa_c[i][0] = 1;\n dsa_c[i][1] = 1;\n }\n }\n }\n# endif\n# ifndef OPENSSL_NO_ECDSA\n ecdsa_c[R_EC_P160][0] = count / 1000;\n ecdsa_c[R_EC_P160][1] = count / 1000 / 2;\n for (i = R_EC_P192; i <= R_EC_P521; i++) {\n ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;\n ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;\n if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))\n ecdsa_doit[i] = 0;\n else {\n if (ecdsa_c[i] == 0) {\n ecdsa_c[i][0] = 1;\n ecdsa_c[i][1] = 1;\n }\n }\n }\n ecdsa_c[R_EC_K163][0] = count / 1000;\n ecdsa_c[R_EC_K163][1] = count / 1000 / 2;\n for (i = R_EC_K233; i <= R_EC_K571; i++) {\n ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;\n ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;\n if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))\n ecdsa_doit[i] = 0;\n else {\n if (ecdsa_c[i] == 0) {\n ecdsa_c[i][0] = 1;\n ecdsa_c[i][1] = 1;\n }\n }\n }\n ecdsa_c[R_EC_B163][0] = count / 1000;\n ecdsa_c[R_EC_B163][1] = count / 1000 / 2;\n for (i = R_EC_B233; i <= R_EC_B571; i++) {\n ecdsa_c[i][0] = ecdsa_c[i - 1][0] / 2;\n ecdsa_c[i][1] = ecdsa_c[i - 1][1] / 2;\n if ((ecdsa_doit[i] <= 1) && (ecdsa_c[i][0] == 0))\n ecdsa_doit[i] = 0;\n else {\n if (ecdsa_c[i] == 0) {\n ecdsa_c[i][0] = 1;\n ecdsa_c[i][1] = 1;\n }\n }\n }\n# endif\n# ifndef OPENSSL_NO_ECDH\n ecdh_c[R_EC_P160][0] = count / 1000;\n ecdh_c[R_EC_P160][1] = count / 1000;\n for (i = R_EC_P192; i <= R_EC_P521; i++) {\n ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;\n ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;\n if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))\n ecdh_doit[i] = 0;\n else {\n if (ecdh_c[i] == 0) {\n ecdh_c[i][0] = 1;\n ecdh_c[i][1] = 1;\n }\n }\n }\n ecdh_c[R_EC_K163][0] = count / 1000;\n ecdh_c[R_EC_K163][1] = count / 1000;\n for (i = R_EC_K233; i <= R_EC_K571; i++) {\n ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;\n ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;\n if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))\n ecdh_doit[i] = 0;\n else {\n if (ecdh_c[i] == 0) {\n ecdh_c[i][0] = 1;\n ecdh_c[i][1] = 1;\n }\n }\n }\n ecdh_c[R_EC_B163][0] = count / 1000;\n ecdh_c[R_EC_B163][1] = count / 1000;\n for (i = R_EC_B233; i <= R_EC_B571; i++) {\n ecdh_c[i][0] = ecdh_c[i - 1][0] / 2;\n ecdh_c[i][1] = ecdh_c[i - 1][1] / 2;\n if ((ecdh_doit[i] <= 1) && (ecdh_c[i][0] == 0))\n ecdh_doit[i] = 0;\n else {\n if (ecdh_c[i] == 0) {\n ecdh_c[i][0] = 1;\n ecdh_c[i][1] = 1;\n }\n }\n }\n# endif\n# define COND(d) (count < (d))\n# define COUNT(d) (d)\n# else\n# error "You cannot disable DES on systems without SIGALRM."\n# endif\n# else\n# define COND(c) (run && count<0x7fffffff)\n# define COUNT(d) (count)\n# ifndef _WIN32\n signal(SIGALRM, sig_done);\n# endif\n# endif\n# ifndef OPENSSL_NO_MD2\n if (doit[D_MD2]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MD2], c[D_MD2][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MD2][j]); count++)\n EVP_Digest(buf, (unsigned long)lengths[j], &(md2[0]), NULL,\n EVP_md2(), NULL);\n d = Time_F(STOP);\n print_result(D_MD2, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_MDC2\n if (doit[D_MDC2]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MDC2], c[D_MDC2][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MDC2][j]); count++)\n EVP_Digest(buf, (unsigned long)lengths[j], &(mdc2[0]), NULL,\n EVP_mdc2(), NULL);\n d = Time_F(STOP);\n print_result(D_MDC2, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_MD4\n if (doit[D_MD4]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MD4], c[D_MD4][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MD4][j]); count++)\n EVP_Digest(&(buf[0]), (unsigned long)lengths[j], &(md4[0]),\n NULL, EVP_md4(), NULL);\n d = Time_F(STOP);\n print_result(D_MD4, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_MD5\n if (doit[D_MD5]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_MD5], c[D_MD5][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_MD5][j]); count++)\n MD5(buf, lengths[j], md5);\n d = Time_F(STOP);\n print_result(D_MD5, j, count, d);\n }\n }\n# endif\n# if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_HMAC)\n if (doit[D_HMAC]) {\n HMAC_CTX hctx;\n HMAC_CTX_init(&hctx);\n HMAC_Init_ex(&hctx, (unsigned char *)"This is a key...",\n 16, EVP_md5(), NULL);\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_HMAC], c[D_HMAC][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_HMAC][j]); count++) {\n HMAC_Init_ex(&hctx, NULL, 0, NULL, NULL);\n HMAC_Update(&hctx, buf, lengths[j]);\n HMAC_Final(&hctx, &(hmac[0]), NULL);\n }\n d = Time_F(STOP);\n print_result(D_HMAC, j, count, d);\n }\n HMAC_CTX_cleanup(&hctx);\n }\n# endif\n# ifndef OPENSSL_NO_SHA\n if (doit[D_SHA1]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_SHA1], c[D_SHA1][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_SHA1][j]); count++)\n# if 0\n EVP_Digest(buf, (unsigned long)lengths[j], &(sha[0]), NULL,\n EVP_sha1(), NULL);\n# else\n SHA1(buf, lengths[j], sha);\n# endif\n d = Time_F(STOP);\n print_result(D_SHA1, j, count, d);\n }\n }\n# ifndef OPENSSL_NO_SHA256\n if (doit[D_SHA256]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_SHA256], c[D_SHA256][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_SHA256][j]); count++)\n SHA256(buf, lengths[j], sha256);\n d = Time_F(STOP);\n print_result(D_SHA256, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_SHA512\n if (doit[D_SHA512]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_SHA512], c[D_SHA512][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_SHA512][j]); count++)\n SHA512(buf, lengths[j], sha512);\n d = Time_F(STOP);\n print_result(D_SHA512, j, count, d);\n }\n }\n# endif\n# endif\n# ifndef OPENSSL_NO_WHIRLPOOL\n if (doit[D_WHIRLPOOL]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_WHIRLPOOL], c[D_WHIRLPOOL][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_WHIRLPOOL][j]); count++)\n WHIRLPOOL(buf, lengths[j], whirlpool);\n d = Time_F(STOP);\n print_result(D_WHIRLPOOL, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_RMD160\n if (doit[D_RMD160]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_RMD160], c[D_RMD160][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_RMD160][j]); count++)\n EVP_Digest(buf, (unsigned long)lengths[j], &(rmd160[0]), NULL,\n EVP_ripemd160(), NULL);\n d = Time_F(STOP);\n print_result(D_RMD160, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_RC4\n if (doit[D_RC4]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_RC4], c[D_RC4][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_RC4][j]); count++)\n RC4(&rc4_ks, (unsigned int)lengths[j], buf, buf);\n d = Time_F(STOP);\n print_result(D_RC4, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_DES\n if (doit[D_CBC_DES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_DES], c[D_CBC_DES][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_DES][j]); count++)\n DES_ncbc_encrypt(buf, buf, lengths[j], &sch,\n &DES_iv, DES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_DES, j, count, d);\n }\n }\n if (doit[D_EDE3_DES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_EDE3_DES], c[D_EDE3_DES][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_EDE3_DES][j]); count++)\n DES_ede3_cbc_encrypt(buf, buf, lengths[j],\n &sch, &sch2, &sch3,\n &DES_iv, DES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_EDE3_DES, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_AES\n if (doit[D_CBC_128_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_128_AES], c[D_CBC_128_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_128_AES][j]); count++)\n AES_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &aes_ks1,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_128_AES, j, count, d);\n }\n }\n if (doit[D_CBC_192_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_192_AES], c[D_CBC_192_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_192_AES][j]); count++)\n AES_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &aes_ks2,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_192_AES, j, count, d);\n }\n }\n if (doit[D_CBC_256_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_256_AES], c[D_CBC_256_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_256_AES][j]); count++)\n AES_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &aes_ks3,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_256_AES, j, count, d);\n }\n }\n if (doit[D_IGE_128_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_IGE_128_AES], c[D_IGE_128_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_IGE_128_AES][j]); count++)\n AES_ige_encrypt(buf, buf2,\n (unsigned long)lengths[j], &aes_ks1,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_IGE_128_AES, j, count, d);\n }\n }\n if (doit[D_IGE_192_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_IGE_192_AES], c[D_IGE_192_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_IGE_192_AES][j]); count++)\n AES_ige_encrypt(buf, buf2,\n (unsigned long)lengths[j], &aes_ks2,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_IGE_192_AES, j, count, d);\n }\n }\n if (doit[D_IGE_256_AES]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_IGE_256_AES], c[D_IGE_256_AES][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_IGE_256_AES][j]); count++)\n AES_ige_encrypt(buf, buf2,\n (unsigned long)lengths[j], &aes_ks3,\n iv, AES_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_IGE_256_AES, j, count, d);\n }\n }\n if (doit[D_GHASH]) {\n GCM128_CONTEXT *ctx =\n CRYPTO_gcm128_new(&aes_ks1, (block128_f) AES_encrypt);\n CRYPTO_gcm128_setiv(ctx, (unsigned char *)"0123456789ab", 12);\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_GHASH], c[D_GHASH][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_GHASH][j]); count++)\n CRYPTO_gcm128_aad(ctx, buf, lengths[j]);\n d = Time_F(STOP);\n print_result(D_GHASH, j, count, d);\n }\n CRYPTO_gcm128_release(ctx);\n }\n# endif\n# ifndef OPENSSL_NO_CAMELLIA\n if (doit[D_CBC_128_CML]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_128_CML], c[D_CBC_128_CML][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_128_CML][j]); count++)\n Camellia_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &camellia_ks1,\n iv, CAMELLIA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_128_CML, j, count, d);\n }\n }\n if (doit[D_CBC_192_CML]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_192_CML], c[D_CBC_192_CML][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_192_CML][j]); count++)\n Camellia_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &camellia_ks2,\n iv, CAMELLIA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_192_CML, j, count, d);\n }\n }\n if (doit[D_CBC_256_CML]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_256_CML], c[D_CBC_256_CML][j],\n lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_256_CML][j]); count++)\n Camellia_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &camellia_ks3,\n iv, CAMELLIA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_256_CML, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_IDEA\n if (doit[D_CBC_IDEA]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_IDEA], c[D_CBC_IDEA][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_IDEA][j]); count++)\n idea_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &idea_ks,\n iv, IDEA_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_IDEA, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_SEED\n if (doit[D_CBC_SEED]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_SEED], c[D_CBC_SEED][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_SEED][j]); count++)\n SEED_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &seed_ks, iv, 1);\n d = Time_F(STOP);\n print_result(D_CBC_SEED, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_RC2\n if (doit[D_CBC_RC2]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_RC2], c[D_CBC_RC2][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_RC2][j]); count++)\n RC2_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &rc2_ks,\n iv, RC2_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_RC2, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_RC5\n if (doit[D_CBC_RC5]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_RC5], c[D_CBC_RC5][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_RC5][j]); count++)\n RC5_32_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &rc5_ks,\n iv, RC5_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_RC5, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_BF\n if (doit[D_CBC_BF]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_BF], c[D_CBC_BF][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_BF][j]); count++)\n BF_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &bf_ks,\n iv, BF_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_BF, j, count, d);\n }\n }\n# endif\n# ifndef OPENSSL_NO_CAST\n if (doit[D_CBC_CAST]) {\n for (j = 0; j < SIZE_NUM; j++) {\n print_message(names[D_CBC_CAST], c[D_CBC_CAST][j], lengths[j]);\n Time_F(START);\n for (count = 0, run = 1; COND(c[D_CBC_CAST][j]); count++)\n CAST_cbc_encrypt(buf, buf,\n (unsigned long)lengths[j], &cast_ks,\n iv, CAST_ENCRYPT);\n d = Time_F(STOP);\n print_result(D_CBC_CAST, j, count, d);\n }\n }\n# endif\n if (doit[D_EVP]) {\n# ifdef EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK\n if (multiblock && evp_cipher) {\n if (!\n (EVP_CIPHER_flags(evp_cipher) &\n EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {\n fprintf(stderr, "%s is not multi-block capable\\n",\n OBJ_nid2ln(evp_cipher->nid));\n goto end;\n }\n multiblock_speed(evp_cipher);\n mret = 0;\n goto end;\n }\n# endif\n for (j = 0; j < SIZE_NUM; j++) {\n if (evp_cipher) {\n EVP_CIPHER_CTX ctx;\n int outl;\n names[D_EVP] = OBJ_nid2ln(evp_cipher->nid);\n print_message(names[D_EVP], save_count, lengths[j]);\n EVP_CIPHER_CTX_init(&ctx);\n if (decrypt)\n EVP_DecryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);\n else\n EVP_EncryptInit_ex(&ctx, evp_cipher, NULL, key16, iv);\n EVP_CIPHER_CTX_set_padding(&ctx, 0);\n Time_F(START);\n if (decrypt)\n for (count = 0, run = 1;\n COND(save_count * 4 * lengths[0] / lengths[j]);\n count++)\n EVP_DecryptUpdate(&ctx, buf, &outl, buf, lengths[j]);\n else\n for (count = 0, run = 1;\n COND(save_count * 4 * lengths[0] / lengths[j]);\n count++)\n EVP_EncryptUpdate(&ctx, buf, &outl, buf, lengths[j]);\n if (decrypt)\n EVP_DecryptFinal_ex(&ctx, buf, &outl);\n else\n EVP_EncryptFinal_ex(&ctx, buf, &outl);\n d = Time_F(STOP);\n EVP_CIPHER_CTX_cleanup(&ctx);\n }\n if (evp_md) {\n names[D_EVP] = OBJ_nid2ln(evp_md->type);\n print_message(names[D_EVP], save_count, lengths[j]);\n Time_F(START);\n for (count = 0, run = 1;\n COND(save_count * 4 * lengths[0] / lengths[j]); count++)\n EVP_Digest(buf, lengths[j], &(md[0]), NULL, evp_md, NULL);\n d = Time_F(STOP);\n }\n print_result(D_EVP, j, count, d);\n }\n }\n# ifndef OPENSSL_SYS_WIN32\n# endif\n RAND_pseudo_bytes(buf, 36);\n# ifndef OPENSSL_NO_RSA\n for (j = 0; j < RSA_NUM; j++) {\n int ret;\n if (!rsa_doit[j])\n continue;\n ret = RSA_sign(NID_md5_sha1, buf, 36, buf2, &rsa_num, rsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err,\n "RSA sign failure. No RSA sign will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n pkey_print_message("private", "rsa",\n rsa_c[j][0], rsa_bits[j], RSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(rsa_c[j][0]); count++) {\n ret = RSA_sign(NID_md5_sha1, buf, 36, buf2,\n &rsa_num, rsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err, "RSA sign failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R1:%ld:%d:%.2f\\n"\n : "%ld %d bit private RSA\'s in %.2fs\\n",\n count, rsa_bits[j], d);\n rsa_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n# if 1\n ret = RSA_verify(NID_md5_sha1, buf, 36, buf2, rsa_num, rsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err,\n "RSA verify failure. No RSA verify will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_doit[j] = 0;\n } else {\n pkey_print_message("public", "rsa",\n rsa_c[j][1], rsa_bits[j], RSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(rsa_c[j][1]); count++) {\n ret = RSA_verify(NID_md5_sha1, buf, 36, buf2,\n rsa_num, rsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err, "RSA verify failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R2:%ld:%d:%.2f\\n"\n : "%ld %d bit public RSA\'s in %.2fs\\n",\n count, rsa_bits[j], d);\n rsa_results[j][1] = d / (double)count;\n }\n# endif\n if (rsa_count <= 1) {\n for (j++; j < RSA_NUM; j++)\n rsa_doit[j] = 0;\n }\n }\n# endif\n RAND_pseudo_bytes(buf, 20);\n# ifndef OPENSSL_NO_DSA\n if (RAND_status() != 1) {\n RAND_seed(rnd_seed, sizeof rnd_seed);\n rnd_fake = 1;\n }\n for (j = 0; j < DSA_NUM; j++) {\n unsigned int kk;\n int ret;\n if (!dsa_doit[j])\n continue;\n ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err,\n "DSA sign failure. No DSA sign will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n pkey_print_message("sign", "dsa",\n dsa_c[j][0], dsa_bits[j], DSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(dsa_c[j][0]); count++) {\n ret = DSA_sign(EVP_PKEY_DSA, buf, 20, buf2, &kk, dsa_key[j]);\n if (ret == 0) {\n BIO_printf(bio_err, "DSA sign failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R3:%ld:%d:%.2f\\n"\n : "%ld %d bit DSA signs in %.2fs\\n",\n count, dsa_bits[j], d);\n dsa_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err,\n "DSA verify failure. No DSA verify will be done.\\n");\n ERR_print_errors(bio_err);\n dsa_doit[j] = 0;\n } else {\n pkey_print_message("verify", "dsa",\n dsa_c[j][1], dsa_bits[j], DSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(dsa_c[j][1]); count++) {\n ret = DSA_verify(EVP_PKEY_DSA, buf, 20, buf2, kk, dsa_key[j]);\n if (ret <= 0) {\n BIO_printf(bio_err, "DSA verify failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R4:%ld:%d:%.2f\\n"\n : "%ld %d bit DSA verify in %.2fs\\n",\n count, dsa_bits[j], d);\n dsa_results[j][1] = d / (double)count;\n }\n if (rsa_count <= 1) {\n for (j++; j < DSA_NUM; j++)\n dsa_doit[j] = 0;\n }\n }\n if (rnd_fake)\n RAND_cleanup();\n# endif\n# ifndef OPENSSL_NO_ECDSA\n if (RAND_status() != 1) {\n RAND_seed(rnd_seed, sizeof rnd_seed);\n rnd_fake = 1;\n }\n for (j = 0; j < EC_NUM; j++) {\n int ret;\n if (!ecdsa_doit[j])\n continue;\n ecdsa[j] = EC_KEY_new_by_curve_name(test_curves[j]);\n if (ecdsa[j] == NULL) {\n BIO_printf(bio_err, "ECDSA failure.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n# if 1\n EC_KEY_precompute_mult(ecdsa[j], NULL);\n# endif\n EC_KEY_generate_key(ecdsa[j]);\n ret = ECDSA_sign(0, buf, 20, ecdsasig, &ecdsasiglen, ecdsa[j]);\n if (ret == 0) {\n BIO_printf(bio_err,\n "ECDSA sign failure. No ECDSA sign will be done.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n pkey_print_message("sign", "ecdsa",\n ecdsa_c[j][0],\n test_curves_bits[j], ECDSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(ecdsa_c[j][0]); count++) {\n ret = ECDSA_sign(0, buf, 20,\n ecdsasig, &ecdsasiglen, ecdsa[j]);\n if (ret == 0) {\n BIO_printf(bio_err, "ECDSA sign failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R5:%ld:%d:%.2f\\n" :\n "%ld %d bit ECDSA signs in %.2fs \\n",\n count, test_curves_bits[j], d);\n ecdsa_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n ret = ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen, ecdsa[j]);\n if (ret != 1) {\n BIO_printf(bio_err,\n "ECDSA verify failure. No ECDSA verify will be done.\\n");\n ERR_print_errors(bio_err);\n ecdsa_doit[j] = 0;\n } else {\n pkey_print_message("verify", "ecdsa",\n ecdsa_c[j][1],\n test_curves_bits[j], ECDSA_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(ecdsa_c[j][1]); count++) {\n ret =\n ECDSA_verify(0, buf, 20, ecdsasig, ecdsasiglen,\n ecdsa[j]);\n if (ret != 1) {\n BIO_printf(bio_err, "ECDSA verify failure\\n");\n ERR_print_errors(bio_err);\n count = 1;\n break;\n }\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R6:%ld:%d:%.2f\\n"\n : "%ld %d bit ECDSA verify in %.2fs\\n",\n count, test_curves_bits[j], d);\n ecdsa_results[j][1] = d / (double)count;\n }\n if (rsa_count <= 1) {\n for (j++; j < EC_NUM; j++)\n ecdsa_doit[j] = 0;\n }\n }\n }\n if (rnd_fake)\n RAND_cleanup();\n# endif\n# ifndef OPENSSL_NO_ECDH\n if (RAND_status() != 1) {\n RAND_seed(rnd_seed, sizeof rnd_seed);\n rnd_fake = 1;\n }\n for (j = 0; j < EC_NUM; j++) {\n if (!ecdh_doit[j])\n continue;\n ecdh_a[j] = EC_KEY_new_by_curve_name(test_curves[j]);\n ecdh_b[j] = EC_KEY_new_by_curve_name(test_curves[j]);\n if ((ecdh_a[j] == NULL) || (ecdh_b[j] == NULL)) {\n BIO_printf(bio_err, "ECDH failure.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n if (!EC_KEY_generate_key(ecdh_a[j]) ||\n !EC_KEY_generate_key(ecdh_b[j])) {\n BIO_printf(bio_err, "ECDH key generation failure.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n } else {\n int field_size, outlen;\n void *(*kdf) (const void *in, size_t inlen, void *out,\n size_t *xoutlen);\n field_size =\n EC_GROUP_get_degree(EC_KEY_get0_group(ecdh_a[j]));\n if (field_size <= 24 * 8) {\n outlen = KDF1_SHA1_len;\n kdf = KDF1_SHA1;\n } else {\n outlen = (field_size + 7) / 8;\n kdf = NULL;\n }\n secret_size_a =\n ECDH_compute_key(secret_a, outlen,\n EC_KEY_get0_public_key(ecdh_b[j]),\n ecdh_a[j], kdf);\n secret_size_b =\n ECDH_compute_key(secret_b, outlen,\n EC_KEY_get0_public_key(ecdh_a[j]),\n ecdh_b[j], kdf);\n if (secret_size_a != secret_size_b)\n ecdh_checks = 0;\n else\n ecdh_checks = 1;\n for (secret_idx = 0; (secret_idx < secret_size_a)\n && (ecdh_checks == 1); secret_idx++) {\n if (secret_a[secret_idx] != secret_b[secret_idx])\n ecdh_checks = 0;\n }\n if (ecdh_checks == 0) {\n BIO_printf(bio_err, "ECDH computations don\'t match.\\n");\n ERR_print_errors(bio_err);\n rsa_count = 1;\n }\n pkey_print_message("", "ecdh",\n ecdh_c[j][0],\n test_curves_bits[j], ECDH_SECONDS);\n Time_F(START);\n for (count = 0, run = 1; COND(ecdh_c[j][0]); count++) {\n ECDH_compute_key(secret_a, outlen,\n EC_KEY_get0_public_key(ecdh_b[j]),\n ecdh_a[j], kdf);\n }\n d = Time_F(STOP);\n BIO_printf(bio_err,\n mr ? "+R7:%ld:%d:%.2f\\n" :\n "%ld %d-bit ECDH ops in %.2fs\\n", count,\n test_curves_bits[j], d);\n ecdh_results[j][0] = d / (double)count;\n rsa_count = count;\n }\n }\n if (rsa_count <= 1) {\n for (j++; j < EC_NUM; j++)\n ecdh_doit[j] = 0;\n }\n }\n if (rnd_fake)\n RAND_cleanup();\n# endif\n# ifndef NO_FORK\n show_res:\n# endif\n if (!mr) {\n fprintf(stdout, "%s\\n", SSLeay_version(SSLEAY_VERSION));\n fprintf(stdout, "%s\\n", SSLeay_version(SSLEAY_BUILT_ON));\n printf("options:");\n printf("%s ", BN_options());\n# ifndef OPENSSL_NO_MD2\n printf("%s ", MD2_options());\n# endif\n# ifndef OPENSSL_NO_RC4\n printf("%s ", RC4_options());\n# endif\n# ifndef OPENSSL_NO_DES\n printf("%s ", DES_options());\n# endif\n# ifndef OPENSSL_NO_AES\n printf("%s ", AES_options());\n# endif\n# ifndef OPENSSL_NO_IDEA\n printf("%s ", idea_options());\n# endif\n# ifndef OPENSSL_NO_BF\n printf("%s ", BF_options());\n# endif\n fprintf(stdout, "\\n%s\\n", SSLeay_version(SSLEAY_CFLAGS));\n }\n if (pr_header) {\n if (mr)\n fprintf(stdout, "+H");\n else {\n fprintf(stdout,\n "The \'numbers\' are in 1000s of bytes per second processed.\\n");\n fprintf(stdout, "type ");\n }\n for (j = 0; j < SIZE_NUM; j++)\n fprintf(stdout, mr ? ":%d" : "%7d bytes", lengths[j]);\n fprintf(stdout, "\\n");\n }\n for (k = 0; k < ALGOR_NUM; k++) {\n if (!doit[k])\n continue;\n if (mr)\n fprintf(stdout, "+F:%d:%s", k, names[k]);\n else\n fprintf(stdout, "%-13s", names[k]);\n for (j = 0; j < SIZE_NUM; j++) {\n if (results[k][j] > 10000 && !mr)\n fprintf(stdout, " %11.2fk", results[k][j] / 1e3);\n else\n fprintf(stdout, mr ? ":%.2f" : " %11.2f ", results[k][j]);\n }\n fprintf(stdout, "\\n");\n }\n# ifndef OPENSSL_NO_RSA\n j = 1;\n for (k = 0; k < RSA_NUM; k++) {\n if (!rsa_doit[k])\n continue;\n if (j && !mr) {\n printf("%18ssign verify sign/s verify/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F2:%u:%u:%f:%f\\n",\n k, rsa_bits[k], rsa_results[k][0], rsa_results[k][1]);\n else\n fprintf(stdout, "rsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\\n",\n rsa_bits[k], rsa_results[k][0], rsa_results[k][1],\n 1.0 / rsa_results[k][0], 1.0 / rsa_results[k][1]);\n }\n# endif\n# ifndef OPENSSL_NO_DSA\n j = 1;\n for (k = 0; k < DSA_NUM; k++) {\n if (!dsa_doit[k])\n continue;\n if (j && !mr) {\n printf("%18ssign verify sign/s verify/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F3:%u:%u:%f:%f\\n",\n k, dsa_bits[k], dsa_results[k][0], dsa_results[k][1]);\n else\n fprintf(stdout, "dsa %4u bits %8.6fs %8.6fs %8.1f %8.1f\\n",\n dsa_bits[k], dsa_results[k][0], dsa_results[k][1],\n 1.0 / dsa_results[k][0], 1.0 / dsa_results[k][1]);\n }\n# endif\n# ifndef OPENSSL_NO_ECDSA\n j = 1;\n for (k = 0; k < EC_NUM; k++) {\n if (!ecdsa_doit[k])\n continue;\n if (j && !mr) {\n printf("%30ssign verify sign/s verify/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F4:%u:%u:%f:%f\\n",\n k, test_curves_bits[k],\n ecdsa_results[k][0], ecdsa_results[k][1]);\n else\n fprintf(stdout,\n "%4u bit ecdsa (%s) %8.4fs %8.4fs %8.1f %8.1f\\n",\n test_curves_bits[k],\n test_curves_names[k],\n ecdsa_results[k][0], ecdsa_results[k][1],\n 1.0 / ecdsa_results[k][0], 1.0 / ecdsa_results[k][1]);\n }\n# endif\n# ifndef OPENSSL_NO_ECDH\n j = 1;\n for (k = 0; k < EC_NUM; k++) {\n if (!ecdh_doit[k])\n continue;\n if (j && !mr) {\n printf("%30sop op/s\\n", " ");\n j = 0;\n }\n if (mr)\n fprintf(stdout, "+F5:%u:%u:%f:%f\\n",\n k, test_curves_bits[k],\n ecdh_results[k][0], 1.0 / ecdh_results[k][0]);\n else\n fprintf(stdout, "%4u bit ecdh (%s) %8.4fs %8.1f\\n",\n test_curves_bits[k],\n test_curves_names[k],\n ecdh_results[k][0], 1.0 / ecdh_results[k][0]);\n }\n# endif\n mret = 0;\n end:\n ERR_print_errors(bio_err);\n if (buf_malloc != NULL)\n OPENSSL_free(buf_malloc);\n if (buf2_malloc != NULL)\n OPENSSL_free(buf2_malloc);\n# ifndef OPENSSL_NO_RSA\n for (i = 0; i < RSA_NUM; i++)\n if (rsa_key[i] != NULL)\n RSA_free(rsa_key[i]);\n# endif\n# ifndef OPENSSL_NO_DSA\n for (i = 0; i < DSA_NUM; i++)\n if (dsa_key[i] != NULL)\n DSA_free(dsa_key[i]);\n# endif\n# ifndef OPENSSL_NO_ECDSA\n for (i = 0; i < EC_NUM; i++)\n if (ecdsa[i] != NULL)\n EC_KEY_free(ecdsa[i]);\n# endif\n# ifndef OPENSSL_NO_ECDH\n for (i = 0; i < EC_NUM; i++) {\n if (ecdh_a[i] != NULL)\n EC_KEY_free(ecdh_a[i]);\n if (ecdh_b[i] != NULL)\n EC_KEY_free(ecdh_b[i]);\n }\n# endif\n apps_shutdown();\n OPENSSL_EXIT(mret);\n}'] |
16,662 | 0 | https://github.com/openssl/openssl/blob/313fce7b61ecaf5879cf84b256bdd0964134836e/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int test_sqrt(BIO *bp, BN_CTX *ctx)\n\t{\n\tBN_GENCB cb;\n\tBIGNUM *a,*p,*r;\n\tint i, j;\n\tint ret = 0;\n\ta = BN_new();\n\tp = BN_new();\n\tr = BN_new();\n\tif (a == NULL || p == NULL || r == NULL) goto err;\n\tBN_GENCB_set(&cb, genprime_cb, NULL);\n\tfor (i = 0; i < 16; i++)\n\t\t{\n\t\tif (i < 8)\n\t\t\t{\n\t\t\tunsigned primes[8] = { 2, 3, 5, 7, 11, 13, 17, 19 };\n\t\t\tif (!BN_set_word(p, primes[i])) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_set_word(a, 32)) goto err;\n\t\t\tif (!BN_set_word(r, 2*i + 1)) goto err;\n\t\t\tif (!BN_generate_prime_ex(p, 256, 0, a, r, &cb)) goto err;\n\t\t\tputc(\'\\n\', stderr);\n\t\t\t}\n\t\tp->neg = rand_neg();\n\t\tfor (j = 0; j < num2; j++)\n\t\t\t{\n\t\t\tif (!BN_bntest_rand(r, 256, 0, 3)) goto err;\n\t\t\tif (!BN_nnmod(r, r, p, ctx)) goto err;\n\t\t\tif (!BN_mod_sqr(r, r, p, ctx)) goto err;\n\t\t\tif (!BN_bntest_rand(a, 256, 0, 3)) goto err;\n\t\t\tif (!BN_nnmod(a, a, p, ctx)) goto err;\n\t\t\tif (!BN_mod_sqr(a, a, p, ctx)) goto err;\n\t\t\tif (!BN_mul(a, a, r, ctx)) goto err;\n\t\t\tif (rand_neg())\n\t\t\t\tif (!BN_sub(a, a, p)) goto err;\n\t\t\tif (!BN_mod_sqrt(r, a, p, ctx)) goto err;\n\t\t\tif (!BN_mod_sqr(r, r, p, ctx)) goto err;\n\t\t\tif (!BN_nnmod(a, a, p, ctx)) goto err;\n\t\t\tif (BN_cmp(a, r) != 0)\n\t\t\t\t{\n\t\t\t\tfprintf(stderr, "BN_mod_sqrt failed: a = ");\n\t\t\t\tBN_print_fp(stderr, a);\n\t\t\t\tfprintf(stderr, ", r = ");\n\t\t\t\tBN_print_fp(stderr, r);\n\t\t\t\tfprintf(stderr, ", p = ");\n\t\t\t\tBN_print_fp(stderr, p);\n\t\t\t\tfprintf(stderr, "\\n");\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tputc(\'.\', stderr);\n\t\t\tfflush(stderr);\n\t\t\t}\n\t\tputc(\'\\n\', stderr);\n\t\tfflush(stderr);\n\t\t}\n\tret = 1;\n err:\n\tif (a != NULL) BN_free(a);\n\tif (p != NULL) BN_free(p);\n\tif (r != NULL) BN_free(r);\n\treturn ret;\n\t}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tif ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_div_no_branch(dv, rm, num, divisor, ctx);\n\t\t}\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tbn_clear_top2max(&wnum);\n\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t*resp=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n\tconst BIGNUM *divisor, BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (snum->top <= sdiv->top+1)\n\t\t{\n\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\tsnum->top = sdiv->top + 2;\n\t\t}\n\telse\n\t\t{\n\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\tsnum->d[snum->top] = 0;\n\t\tsnum->top ++;\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop-1;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
16,663 | 0 | https://github.com/openssl/openssl/blob/c15e95a61dacfc326cf9cdf05935ae8c6c97bcf6/crypto/lhash/lhash.c/#L248 | static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,
LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)
{
int i;
LHASH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | ['OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,\n const char *host, const char *path,\n const char *port, int use_ssl,\n STACK_OF(CONF_VALUE) *headers,\n int req_timeout)\n{\n BIO *cbio = NULL;\n SSL_CTX *ctx = NULL;\n OCSP_RESPONSE *resp = NULL;\n cbio = BIO_new_connect(host);\n if (!cbio) {\n BIO_printf(bio_err, "Error creating connect BIO\\n");\n goto end;\n }\n if (port)\n BIO_set_conn_port(cbio, port);\n if (use_ssl == 1) {\n BIO *sbio;\n ctx = SSL_CTX_new(TLS_client_method());\n if (ctx == NULL) {\n BIO_printf(bio_err, "Error creating SSL context.\\n");\n goto end;\n }\n SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);\n sbio = BIO_new_ssl(ctx, 1);\n cbio = BIO_push(sbio, cbio);\n }\n resp = query_responder(cbio, host, path, headers, req, req_timeout);\n if (!resp)\n BIO_printf(bio_err, "Error querying OCSP responder\\n");\n end:\n BIO_free_all(cbio);\n SSL_CTX_free(ctx);\n return resp;\n}', 'SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)\n{\n SSL_CTX *ret = NULL;\n if (meth == NULL) {\n SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED);\n return (NULL);\n }\n if (!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->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 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 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);\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 if ((RAND_bytes(ret->tlsext_tick_key_name, 16) <= 0)\n || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)\n || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))\n ret->options |= SSL_OP_NO_TICKET;\n#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 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)', '_LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c)\n{\n _LHASH *ret;\n if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)\n goto err0;\n if ((ret->b = OPENSSL_zalloc(sizeof(*ret->b) * MIN_NODES)) == NULL)\n goto err1;\n ret->comp = ((c == NULL) ? (LHASH_COMP_FN_TYPE)strcmp : c);\n ret->hash = ((h == NULL) ? (LHASH_HASH_FN_TYPE)lh_strhash : h);\n ret->num_nodes = MIN_NODES / 2;\n ret->num_alloc_nodes = MIN_NODES;\n ret->pmax = MIN_NODES / 2;\n ret->up_load = UP_LOAD;\n ret->down_load = DOWN_LOAD;\n return (ret);\n err1:\n OPENSSL_free(ret);\n err0:\n return (NULL);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX);\n 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 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 if (a->client_cert_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 OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n unsigned long i;\n TIMEOUT_PARAM tp;\n tp.ctx = s;\n tp.cache = s->sessions;\n if (tp.cache == NULL)\n return;\n tp.time = t;\n CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n i = CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load;\n CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = 0;\n lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);\n CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = i;\n CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n}', 'IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM)', 'void lh_doall_arg(_LHASH *lh, LHASH_DOALL_ARG_FN_TYPE func, void *arg)\n{\n doall_util_fn(lh, 1, (LHASH_DOALL_FN_TYPE)0, func, arg);\n}', 'static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,\n LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)\n{\n int i;\n LHASH_NODE *a, *n;\n if (lh == NULL)\n return;\n for (i = lh->num_nodes - 1; i >= 0; i--) {\n a = lh->b[i];\n while (a != NULL) {\n n = a->next;\n if (use_arg)\n func_arg(a->data, arg);\n else\n func(a->data);\n a = n;\n }\n }\n}'] |
16,664 | 0 | https://github.com/libav/libav/blob/fc8b1075e1f74ab14798e8698bd818eb1a14b938/ffmpeg.c/#L3167 | static void new_video_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodecContext *video_enc;
enum CodecID codec_id;
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, AVMEDIA_TYPE_VIDEO);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
video_bitstream_filters= NULL;
avcodec_thread_init(st->codec, thread_count);
video_enc = st->codec;
if(video_codec_tag)
video_enc->codec_tag= video_codec_tag;
if( (video_global_header&1)
|| (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
}
if(video_global_header&2){
video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
}
if (video_stream_copy) {
st->stream_copy = 1;
video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
video_enc->sample_aspect_ratio =
st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
} else {
const char *p;
int i;
AVCodec *codec;
AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
if (video_codec_name) {
codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
codec = avcodec_find_encoder_by_name(video_codec_name);
output_codecs[nb_ocodecs] = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
codec = avcodec_find_encoder(codec_id);
}
video_enc->codec_id = codec_id;
set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
if (codec && codec->supported_framerates && !force_fps)
fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
video_enc->time_base.den = fps.num;
video_enc->time_base.num = fps.den;
video_enc->width = frame_width + frame_padright + frame_padleft;
video_enc->height = frame_height + frame_padtop + frame_padbottom;
video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
video_enc->pix_fmt = frame_pix_fmt;
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
choose_pixel_fmt(st, codec);
if (intra_only)
video_enc->gop_size = 0;
if (video_qscale || same_quality) {
video_enc->flags |= CODEC_FLAG_QSCALE;
video_enc->global_quality=
st->quality = FF_QP2LAMBDA * video_qscale;
}
if(intra_matrix)
video_enc->intra_matrix = intra_matrix;
if(inter_matrix)
video_enc->inter_matrix = inter_matrix;
p= video_rc_override_string;
for(i=0; p; i++){
int start, end, q;
int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
if(e!=3){
fprintf(stderr, "error parsing rc_override\n");
av_exit(1);
}
video_enc->rc_override=
av_realloc(video_enc->rc_override,
sizeof(RcOverride)*(i+1));
video_enc->rc_override[i].start_frame= start;
video_enc->rc_override[i].end_frame = end;
if(q>0){
video_enc->rc_override[i].qscale= q;
video_enc->rc_override[i].quality_factor= 1.0;
}
else{
video_enc->rc_override[i].qscale= 0;
video_enc->rc_override[i].quality_factor= -q/100.0;
}
p= strchr(p, '/');
if(p) p++;
}
video_enc->rc_override_count=i;
if (!video_enc->rc_initial_buffer_occupancy)
video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
video_enc->me_threshold= me_threshold;
video_enc->intra_dc_precision= intra_dc_precision - 8;
if (do_psnr)
video_enc->flags|= CODEC_FLAG_PSNR;
if (do_pass) {
if (do_pass == 1) {
video_enc->flags |= CODEC_FLAG_PASS1;
} else {
video_enc->flags |= CODEC_FLAG_PASS2;
}
}
}
nb_ocodecs++;
if (video_language) {
av_metadata_set(&st->metadata, "language", video_language);
av_freep(&video_language);
}
video_disable = 0;
av_freep(&video_codec_name);
video_stream_copy = 0;
frame_pix_fmt = PIX_FMT_NONE;
} | ['static void opt_new_video_stream(void)\n{\n AVFormatContext *oc;\n if (nb_output_files <= 0) {\n fprintf(stderr, "At least one output file must be specified\\n");\n av_exit(1);\n }\n oc = output_files[nb_output_files - 1];\n new_video_stream(oc);\n}', 'static void new_video_stream(AVFormatContext *oc)\n{\n AVStream *st;\n AVCodecContext *video_enc;\n enum CodecID codec_id;\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, AVMEDIA_TYPE_VIDEO);\n bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;\n video_bitstream_filters= NULL;\n avcodec_thread_init(st->codec, thread_count);\n video_enc = st->codec;\n if(video_codec_tag)\n video_enc->codec_tag= video_codec_tag;\n if( (video_global_header&1)\n || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){\n video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;\n avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;\n }\n if(video_global_header&2){\n video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;\n avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;\n }\n if (video_stream_copy) {\n st->stream_copy = 1;\n video_enc->codec_type = AVMEDIA_TYPE_VIDEO;\n video_enc->sample_aspect_ratio =\n st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);\n } else {\n const char *p;\n int i;\n AVCodec *codec;\n AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};\n if (video_codec_name) {\n codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);\n codec = avcodec_find_encoder_by_name(video_codec_name);\n output_codecs[nb_ocodecs] = codec;\n } else {\n codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);\n codec = avcodec_find_encoder(codec_id);\n }\n video_enc->codec_id = codec_id;\n set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);\n if (codec && codec->supported_framerates && !force_fps)\n fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];\n video_enc->time_base.den = fps.num;\n video_enc->time_base.num = fps.den;\n video_enc->width = frame_width + frame_padright + frame_padleft;\n video_enc->height = frame_height + frame_padtop + frame_padbottom;\n video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);\n video_enc->pix_fmt = frame_pix_fmt;\n st->sample_aspect_ratio = video_enc->sample_aspect_ratio;\n choose_pixel_fmt(st, codec);\n if (intra_only)\n video_enc->gop_size = 0;\n if (video_qscale || same_quality) {\n video_enc->flags |= CODEC_FLAG_QSCALE;\n video_enc->global_quality=\n st->quality = FF_QP2LAMBDA * video_qscale;\n }\n if(intra_matrix)\n video_enc->intra_matrix = intra_matrix;\n if(inter_matrix)\n video_enc->inter_matrix = inter_matrix;\n p= video_rc_override_string;\n for(i=0; p; i++){\n int start, end, q;\n int e=sscanf(p, "%d,%d,%d", &start, &end, &q);\n if(e!=3){\n fprintf(stderr, "error parsing rc_override\\n");\n av_exit(1);\n }\n video_enc->rc_override=\n av_realloc(video_enc->rc_override,\n sizeof(RcOverride)*(i+1));\n video_enc->rc_override[i].start_frame= start;\n video_enc->rc_override[i].end_frame = end;\n if(q>0){\n video_enc->rc_override[i].qscale= q;\n video_enc->rc_override[i].quality_factor= 1.0;\n }\n else{\n video_enc->rc_override[i].qscale= 0;\n video_enc->rc_override[i].quality_factor= -q/100.0;\n }\n p= strchr(p, \'/\');\n if(p) p++;\n }\n video_enc->rc_override_count=i;\n if (!video_enc->rc_initial_buffer_occupancy)\n video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;\n video_enc->me_threshold= me_threshold;\n video_enc->intra_dc_precision= intra_dc_precision - 8;\n if (do_psnr)\n video_enc->flags|= CODEC_FLAG_PSNR;\n if (do_pass) {\n if (do_pass == 1) {\n video_enc->flags |= CODEC_FLAG_PASS1;\n } else {\n video_enc->flags |= CODEC_FLAG_PASS2;\n }\n }\n }\n nb_ocodecs++;\n if (video_language) {\n av_metadata_set(&st->metadata, "language", video_language);\n av_freep(&video_language);\n }\n video_disable = 0;\n av_freep(&video_codec_name);\n video_stream_copy = 0;\n frame_pix_fmt = PIX_FMT_NONE;\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}'] |
16,665 | 0 | https://github.com/libav/libav/blob/47399ccdfd93d337c96c76fbf591f0e3637131ef/libavcodec/bitstream.h/#L138 | 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 svq3_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n SVQ3Context *s = avctx->priv_data;\n int buf_size = avpkt->size;\n int ret, m, i;\n if (buf_size == 0) {\n if (s->next_pic->f->data[0] && !s->low_delay && !s->last_frame_output) {\n ret = av_frame_ref(data, s->next_pic->f);\n if (ret < 0)\n return ret;\n s->last_frame_output = 1;\n *got_frame = 1;\n }\n return 0;\n }\n ret = bitstream_init8(&s->bc, buf, buf_size);\n if (ret < 0)\n return ret;\n s->mb_x = s->mb_y = s->mb_xy = 0;\n if (svq3_decode_slice_header(avctx))\n return -1;\n if (s->pict_type != AV_PICTURE_TYPE_B)\n FFSWAP(SVQ3Frame*, s->next_pic, s->last_pic);\n av_frame_unref(s->cur_pic->f);\n s->cur_pic->f->pict_type = s->pict_type;\n s->cur_pic->f->key_frame = (s->pict_type == AV_PICTURE_TYPE_I);\n ret = get_buffer(avctx, s->cur_pic);\n if (ret < 0)\n return ret;\n for (i = 0; i < 16; i++) {\n s->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * s->cur_pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);\n s->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * s->cur_pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);\n }\n for (i = 0; i < 16; i++) {\n s->block_offset[16 + i] =\n s->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * s->cur_pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);\n s->block_offset[48 + 16 + i] =\n s->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * s->cur_pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);\n }\n if (s->pict_type != AV_PICTURE_TYPE_I) {\n if (!s->last_pic->f->data[0]) {\n av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\\n");\n ret = get_buffer(avctx, s->last_pic);\n if (ret < 0)\n return ret;\n memset(s->last_pic->f->data[0], 0, avctx->height * s->last_pic->f->linesize[0]);\n memset(s->last_pic->f->data[1], 0x80, (avctx->height / 2) *\n s->last_pic->f->linesize[1]);\n memset(s->last_pic->f->data[2], 0x80, (avctx->height / 2) *\n s->last_pic->f->linesize[2]);\n }\n if (s->pict_type == AV_PICTURE_TYPE_B && !s->next_pic->f->data[0]) {\n av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\\n");\n ret = get_buffer(avctx, s->next_pic);\n if (ret < 0)\n return ret;\n memset(s->next_pic->f->data[0], 0, avctx->height * s->next_pic->f->linesize[0]);\n memset(s->next_pic->f->data[1], 0x80, (avctx->height / 2) *\n s->next_pic->f->linesize[1]);\n memset(s->next_pic->f->data[2], 0x80, (avctx->height / 2) *\n s->next_pic->f->linesize[2]);\n }\n }\n if (avctx->debug & FF_DEBUG_PICT_INFO)\n av_log(s->avctx, AV_LOG_DEBUG,\n "%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\\n",\n av_get_picture_type_char(s->pict_type),\n s->halfpel_flag, s->thirdpel_flag,\n s->adaptive_quant, s->qscale, s->slice_num);\n if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||\n avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||\n avctx->skip_frame >= AVDISCARD_ALL)\n return 0;\n if (s->next_p_frame_damaged) {\n if (s->pict_type == AV_PICTURE_TYPE_B)\n return 0;\n else\n s->next_p_frame_damaged = 0;\n }\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n s->frame_num_offset = s->slice_num - s->prev_frame_num;\n if (s->frame_num_offset < 0)\n s->frame_num_offset += 256;\n if (s->frame_num_offset == 0 ||\n s->frame_num_offset >= s->prev_frame_num_offset) {\n av_log(s->avctx, AV_LOG_ERROR, "error in B-frame picture id\\n");\n return -1;\n }\n } else {\n s->prev_frame_num = s->frame_num;\n s->frame_num = s->slice_num;\n s->prev_frame_num_offset = s->frame_num - s->prev_frame_num;\n if (s->prev_frame_num_offset < 0)\n s->prev_frame_num_offset += 256;\n }\n for (m = 0; m < 2; m++) {\n int i;\n for (i = 0; i < 4; i++) {\n int j;\n for (j = -1; j < 4; j++)\n s->ref_cache[m][scan8[0] + 8 * i + j] = 1;\n if (i < 3)\n s->ref_cache[m][scan8[0] + 8 * i + j] = PART_NOT_AVAILABLE;\n }\n }\n for (s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {\n for (s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {\n unsigned mb_type;\n s->mb_xy = s->mb_x + s->mb_y * s->mb_stride;\n if ((bitstream_bits_left(&s->bc_slice)) <= 7) {\n if (((bitstream_tell(&s->bc_slice) & 7) == 0 ||\n bitstream_peek(&s->bc_slice, bitstream_bits_left(&s->bc_slice) & 7) == 0)) {\n if (svq3_decode_slice_header(avctx))\n return -1;\n }\n }\n mb_type = get_interleaved_ue_golomb(&s->bc_slice);\n if (s->pict_type == AV_PICTURE_TYPE_I)\n mb_type += 8;\n else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4)\n mb_type += 4;\n if (mb_type > 33 || svq3_decode_mb(s, mb_type)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding MB %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n if (mb_type != 0)\n hl_decode_mb(s);\n if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay)\n s->cur_pic->mb_type[s->mb_x + s->mb_y * s->mb_stride] =\n (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;\n }\n ff_draw_horiz_band(avctx, s->cur_pic->f,\n s->last_pic->f->data[0] ? s->last_pic->f : NULL,\n 16 * s->mb_y, 16, PICT_FRAME, 0,\n s->low_delay);\n }\n if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)\n ret = av_frame_ref(data, s->cur_pic->f);\n else if (s->last_pic->f->data[0])\n ret = av_frame_ref(data, s->last_pic->f);\n if (ret < 0)\n return ret;\n if (s->last_pic->f->data[0] || s->low_delay)\n *got_frame = 1;\n if (s->pict_type != AV_PICTURE_TYPE_B) {\n FFSWAP(SVQ3Frame*, s->cur_pic, s->next_pic);\n } else {\n av_frame_unref(s->cur_pic->f);\n }\n return buf_size;\n}', 'static inline unsigned get_interleaved_ue_golomb(BitstreamContext *bc)\n{\n uint32_t buf;\n buf = bitstream_peek(bc, 32);\n if (buf & 0xAA800000) {\n buf >>= 32 - 8;\n bitstream_skip(bc, ff_interleaved_golomb_vlc_len[buf]);\n return ff_interleaved_ue_golomb_vlc_code[buf];\n } else {\n unsigned ret = 1;\n do {\n buf >>= 32 - 8;\n bitstream_skip(bc, FFMIN(ff_interleaved_golomb_vlc_len[buf], 8));\n if (ff_interleaved_golomb_vlc_len[buf] != 9) {\n ret <<= (ff_interleaved_golomb_vlc_len[buf] - 1) >> 1;\n ret |= ff_interleaved_dirac_golomb_vlc_code[buf];\n break;\n }\n ret = (ret << 4) | ff_interleaved_dirac_golomb_vlc_code[buf];\n buf = bitstream_peek(bc, 32);\n } while (bitstream_bits_left(bc) > 0);\n return ret - 1;\n }\n}', 'static inline void bitstream_skip(BitstreamContext *bc, unsigned n)\n{\n if (n < bc->bits_left)\n skip_remaining(bc, n);\n else {\n n -= bc->bits_left;\n bc->bits = 0;\n bc->bits_left = 0;\n if (n >= 64) {\n unsigned skip = n / 8;\n n -= skip * 8;\n bc->ptr += skip;\n }\n refill_64(bc);\n if (n)\n skip_remaining(bc, n);\n }\n}', 'static inline void refill_64(BitstreamContext *bc)\n{\n if (bc->ptr >= bc->buffer_end)\n return;\n#ifdef BITSTREAM_READER_LE\n bc->bits = AV_RL64(bc->ptr);\n#else\n bc->bits = AV_RB64(bc->ptr);\n#endif\n bc->ptr += 8;\n bc->bits_left = 64;\n}', 'static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)\n{\n int i, j, k, m, dir, mode;\n int cbp = 0;\n uint32_t vlc;\n int8_t *top, *left;\n const int mb_xy = s->mb_xy;\n const int b_xy = 4 * s->mb_x + 4 * s->mb_y * s->b_stride;\n s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;\n s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;\n s->topright_samples_available = 0xFFFF;\n if (mb_type == 0) {\n if (s->pict_type == AV_PICTURE_TYPE_P ||\n s->next_pic->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_pic->mb_type[mb_xy], 6);\n if (svq3_mc_dir(s, mb_type, PREDICT_MODE, 0, 0) < 0)\n return -1;\n if (svq3_mc_dir(s, 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 (s->thirdpel_flag && s->halfpel_flag == !bitstream_read_bit(&s->bc_slice))\n mode = THIRDPEL_MODE;\n else if (s->halfpel_flag &&\n s->thirdpel_flag == !bitstream_read_bit(&s->bc_slice))\n mode = HALFPEL_MODE;\n else\n mode = FULLPEL_MODE;\n for (m = 0; m < 2; m++) {\n if (s->mb_x > 0 && s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6] != -1) {\n for (i = 0; i < 4; i++)\n AV_COPY32(s->mv_cache[m][scan8[0] - 1 + i * 8],\n s->cur_pic->motion_val[m][b_xy - 1 + i * s->b_stride]);\n } else {\n for (i = 0; i < 4; i++)\n AV_ZERO32(s->mv_cache[m][scan8[0] - 1 + i * 8]);\n }\n if (s->mb_y > 0) {\n memcpy(s->mv_cache[m][scan8[0] - 1 * 8],\n s->cur_pic->motion_val[m][b_xy - s->b_stride],\n 4 * 2 * sizeof(int16_t));\n memset(&s->ref_cache[m][scan8[0] - 1 * 8],\n (s->intra4x4_pred_mode[s->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(s->mv_cache[m][scan8[0] + 4 - 1 * 8],\n s->cur_pic->motion_val[m][b_xy - s->b_stride + 4]);\n s->ref_cache[m][scan8[0] + 4 - 1 * 8] =\n (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 ||\n s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;\n } else\n s->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;\n if (s->mb_x > 0) {\n AV_COPY32(s->mv_cache[m][scan8[0] - 1 - 1 * 8],\n s->cur_pic->motion_val[m][b_xy - s->b_stride - 1]);\n s->ref_cache[m][scan8[0] - 1 - 1 * 8] =\n (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;\n } else\n s->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;\n } else\n memset(&s->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(s, mb_type - 1, mode, 0, 0) < 0)\n return -1;\n } else {\n if (mb_type != 2) {\n if (svq3_mc_dir(s, 0, mode, 0, 0) < 0)\n return -1;\n } else {\n for (i = 0; i < 4; i++)\n memset(s->cur_pic->motion_val[0][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n if (mb_type != 1) {\n if (svq3_mc_dir(s, 0, mode, 1, mb_type == 3) < 0)\n return -1;\n } else {\n for (i = 0; i < 4; i++)\n memset(s->cur_pic->motion_val[1][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n }\n mb_type = MB_TYPE_16x16;\n } else if (mb_type == 8 || mb_type == 33) {\n int8_t *i4x4 = s->intra4x4_pred_mode + s->mb2br_xy[s->mb_xy];\n int8_t *i4x4_cache = s->intra4x4_pred_mode_cache;\n memset(s->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 s->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6 - i];\n if (s->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)\n s->left_samples_available = 0x5F5F;\n }\n if (s->mb_y > 0) {\n s->intra4x4_pred_mode_cache[4 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 0];\n s->intra4x4_pred_mode_cache[5 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 1];\n s->intra4x4_pred_mode_cache[6 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 2];\n s->intra4x4_pred_mode_cache[7 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 3];\n if (s->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)\n s->top_samples_available = 0x33FF;\n }\n for (i = 0; i < 16; i += 2) {\n vlc = get_interleaved_ue_golomb(&s->bc_slice);\n if (vlc >= 25) {\n av_log(s->avctx, AV_LOG_ERROR,\n "luma prediction:%"PRIu32"\\n", vlc);\n return -1;\n }\n left = &s->intra4x4_pred_mode_cache[scan8[i] - 1];\n top = &s->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(s->avctx, AV_LOG_ERROR, "weird prediction\\n");\n return -1;\n }\n }\n } else {\n for (i = 0; i < 4; i++)\n memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);\n }\n AV_COPY32(i4x4, i4x4_cache + 4 + 8 * 4);\n i4x4[4] = i4x4_cache[7 + 8 * 3];\n i4x4[5] = i4x4_cache[7 + 8 * 2];\n i4x4[6] = i4x4_cache[7 + 8 * 1];\n if (mb_type == 8) {\n ff_h264_check_intra4x4_pred_mode(s->intra4x4_pred_mode_cache,\n s->avctx, s->top_samples_available,\n s->left_samples_available);\n s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;\n s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;\n } else {\n for (i = 0; i < 4; i++)\n memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);\n s->top_samples_available = 0x33FF;\n s->left_samples_available = 0x5F5F;\n }\n mb_type = MB_TYPE_INTRA4x4;\n } else {\n dir = ff_h264_i_mb_type_info[mb_type - 8].pred_mode;\n dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;\n if ((s->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,\n s->left_samples_available, dir, 0)) < 0) {\n av_log(s->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\\n");\n return s->intra16x16_pred_mode;\n }\n cbp = ff_h264_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->cur_pic->motion_val[0][b_xy + i * s->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->cur_pic->motion_val[1][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n }\n if (!IS_INTRA4x4(mb_type)) {\n memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy], DC_PRED, 8);\n }\n if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {\n memset(s->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));\n }\n if (!IS_INTRA16x16(mb_type) &&\n (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {\n if ((vlc = get_interleaved_ue_golomb(&s->bc_slice)) >= 48) {\n av_log(s->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\\n", vlc);\n return -1;\n }\n cbp = IS_INTRA(mb_type) ? ff_h264_golomb_to_intra4x4_cbp[vlc]\n : ff_h264_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 += get_interleaved_se_golomb(&s->bc_slice);\n if (s->qscale > 31u) {\n av_log(s->avctx, AV_LOG_ERROR, "qscale:%d\\n", s->qscale);\n return -1;\n }\n }\n if (IS_INTRA16x16(mb_type)) {\n AV_ZERO128(s->mb_luma_dc[0] + 0);\n AV_ZERO128(s->mb_luma_dc[0] + 8);\n if (svq3_decode_block(&s->bc_slice, s->mb_luma_dc[0], 0, 1)) {\n av_log(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 s->non_zero_count_cache[scan8[k]] = 1;\n if (svq3_decode_block(&s->bc_slice, &s->mb[16 * k], index, type)) {\n av_log(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->bc_slice, &s->mb[16 * 16 * i], 0, 3)) {\n av_log(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 s->non_zero_count_cache[scan8[k]] = 1;\n if (svq3_decode_block(&s->bc_slice, &s->mb[16 * k], 1, 1)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding chroma ac block\\n");\n return -1;\n }\n }\n }\n }\n }\n }\n s->cbp = cbp;\n s->cur_pic->mb_type[mb_xy] = mb_type;\n if (IS_INTRA(mb_type))\n s->chroma_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,\n s->left_samples_available, DC_PRED8x8, 1);\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}'] |
16,666 | 0 | https://github.com/libav/libav/blob/ab3554e1a7c04a5ea30f9c905de92348478ef7c8/cmdutils.c/#L1416 | int show_help(void *optctx, const char *opt, const char *arg)
{
char *topic, *par;
av_log_set_callback(log_callback_help);
topic = av_strdup(arg ? arg : "");
if (!topic)
return AVERROR(ENOMEM);
par = strchr(topic, '=');
if (par)
*par++ = 0;
if (!*topic) {
show_help_default(topic, par);
} else if (!strcmp(topic, "decoder")) {
show_help_codec(par, 0);
} else if (!strcmp(topic, "encoder")) {
show_help_codec(par, 1);
} else if (!strcmp(topic, "demuxer")) {
show_help_demuxer(par);
} else if (!strcmp(topic, "muxer")) {
show_help_muxer(par);
#if CONFIG_AVFILTER
} else if (!strcmp(topic, "filter")) {
show_help_filter(par);
#endif
} else {
show_help_default(topic, par);
}
av_freep(&topic);
return 0;
} | ['int show_help(void *optctx, const char *opt, const char *arg)\n{\n char *topic, *par;\n av_log_set_callback(log_callback_help);\n topic = av_strdup(arg ? arg : "");\n if (!topic)\n return AVERROR(ENOMEM);\n par = strchr(topic, \'=\');\n if (par)\n *par++ = 0;\n if (!*topic) {\n show_help_default(topic, par);\n } else if (!strcmp(topic, "decoder")) {\n show_help_codec(par, 0);\n } else if (!strcmp(topic, "encoder")) {\n show_help_codec(par, 1);\n } else if (!strcmp(topic, "demuxer")) {\n show_help_demuxer(par);\n } else if (!strcmp(topic, "muxer")) {\n show_help_muxer(par);\n#if CONFIG_AVFILTER\n } else if (!strcmp(topic, "filter")) {\n show_help_filter(par);\n#endif\n } else {\n show_help_default(topic, par);\n }\n av_freep(&topic);\n return 0;\n}', 'void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))\n{\n av_log_callback = callback;\n}', 'char *av_strdup(const char *s)\n{\n char *ptr = NULL;\n if (s) {\n int len = strlen(s) + 1;\n ptr = av_realloc(NULL, len);\n if (ptr)\n memcpy(ptr, s, len);\n }\n return ptr;\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n if (size > (INT_MAX - 16))\n return NULL;\n#if HAVE_ALIGNED_MALLOC\n return _aligned_realloc(ptr, size, 32);\n#else\n return realloc(ptr, size);\n#endif\n}', 'static void show_help_codec(const char *name, int encoder)\n{\n const AVCodecDescriptor *desc;\n const AVCodec *codec;\n if (!name) {\n av_log(NULL, AV_LOG_ERROR, "No codec name specified.\\n");\n return;\n }\n codec = encoder ? avcodec_find_encoder_by_name(name) :\n avcodec_find_decoder_by_name(name);\n if (codec)\n print_codec(codec);\n else if ((desc = avcodec_descriptor_get_by_name(name))) {\n int printed = 0;\n while ((codec = next_codec_for_id(desc->id, codec, encoder))) {\n printed = 1;\n print_codec(codec);\n }\n if (!printed) {\n av_log(NULL, AV_LOG_ERROR, "Codec \'%s\' is known to Libav, "\n "but no %s for it are available. Libav might need to be "\n "recompiled with additional external libraries.\\n",\n name, encoder ? "encoders" : "decoders");\n }\n } else {\n av_log(NULL, AV_LOG_ERROR, "Codec \'%s\' is not recognized by Libav.\\n",\n name);\n }\n}'] |
16,667 | 0 | https://github.com/openssl/openssl/blob/183733f882056ea3e6fe95e665b85fcc6a45dcb4/crypto/evp/pmeth_lib.c/#L180 | static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
{
EVP_PKEY_CTX *ret;
const EVP_PKEY_METHOD *pmeth;
if (id == -1) {
if (!pkey || !pkey->ameth)
return NULL;
id = pkey->ameth->pkey_id;
}
#ifndef OPENSSL_NO_ENGINE
if (pkey && pkey->engine)
e = pkey->engine;
if (e) {
if (!ENGINE_init(e)) {
EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
return NULL;
}
} else
e = ENGINE_get_pkey_meth_engine(id);
if (e)
pmeth = ENGINE_get_pkey_meth(e, id);
else
#endif
pmeth = EVP_PKEY_meth_find(id);
if (pmeth == NULL) {
EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
return NULL;
}
ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
#ifndef OPENSSL_NO_ENGINE
if (e)
ENGINE_finish(e);
#endif
EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->engine = e;
ret->pmeth = pmeth;
ret->operation = EVP_PKEY_OP_UNDEFINED;
ret->pkey = pkey;
if (pkey)
CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
if (pmeth->init) {
if (pmeth->init(ret) <= 0) {
EVP_PKEY_CTX_free(ret);
return NULL;
}
}
return ret;
} | ['static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)\n{\n EVP_PKEY_CTX *ret;\n const EVP_PKEY_METHOD *pmeth;\n if (id == -1) {\n if (!pkey || !pkey->ameth)\n return NULL;\n id = pkey->ameth->pkey_id;\n }\n#ifndef OPENSSL_NO_ENGINE\n if (pkey && pkey->engine)\n e = pkey->engine;\n if (e) {\n if (!ENGINE_init(e)) {\n EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);\n return NULL;\n }\n } else\n e = ENGINE_get_pkey_meth_engine(id);\n if (e)\n pmeth = ENGINE_get_pkey_meth(e, id);\n else\n#endif\n pmeth = EVP_PKEY_meth_find(id);\n if (pmeth == NULL) {\n EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);\n return NULL;\n }\n ret = OPENSSL_zalloc(sizeof(*ret));\n if (ret == NULL) {\n#ifndef OPENSSL_NO_ENGINE\n if (e)\n ENGINE_finish(e);\n#endif\n EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ret->engine = e;\n ret->pmeth = pmeth;\n ret->operation = EVP_PKEY_OP_UNDEFINED;\n ret->pkey = pkey;\n if (pkey)\n CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);\n if (pmeth->init) {\n if (pmeth->init(ret) <= 0) {\n EVP_PKEY_CTX_free(ret);\n return NULL;\n }\n }\n return ret;\n}', 'ENGINE *ENGINE_get_pkey_meth_engine(int nid)\n{\n return engine_table_select(&pkey_meth_table, nid);\n}', 'ENGINE *engine_table_select(ENGINE_TABLE **table, int nid)\n#else\nENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f,\n int l)\n#endif\n{\n ENGINE *ret = NULL;\n ENGINE_PILE tmplate, *fnd = NULL;\n int initres, loop = 0;\n if (!(*table)) {\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, nothing "\n "registered!\\n", f, l, nid);\n#endif\n return NULL;\n }\n ERR_set_mark();\n CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);\n if (!int_table_check(table, 0))\n goto end;\n tmplate.nid = nid;\n fnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate);\n if (!fnd)\n goto end;\n if (fnd->funct && engine_unlocked_init(fnd->funct)) {\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "\n "ENGINE \'%s\' cached\\n", f, l, nid, fnd->funct->id);\n#endif\n ret = fnd->funct;\n goto end;\n }\n if (fnd->uptodate) {\n ret = fnd->funct;\n goto end;\n }\n trynext:\n ret = sk_ENGINE_value(fnd->sk, loop++);\n if (!ret) {\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, no "\n "registered implementations would initialise\\n", f, l, nid);\n#endif\n goto end;\n }\n if ((ret->funct_ref > 0) || !(table_flags & ENGINE_TABLE_FLAG_NOINIT))\n initres = engine_unlocked_init(ret);\n else\n initres = 0;\n if (initres) {\n if ((fnd->funct != ret) && engine_unlocked_init(ret)) {\n if (fnd->funct)\n engine_unlocked_finish(fnd->funct, 0);\n fnd->funct = ret;\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, "\n "setting default to \'%s\'\\n", f, l, nid, ret->id);\n#endif\n }\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "\n "newly initialised \'%s\'\\n", f, l, nid, ret->id);\n#endif\n goto end;\n }\n goto trynext;\n end:\n if (fnd)\n fnd->uptodate = 1;\n#ifdef ENGINE_TABLE_DEBUG\n if (ret)\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "\n "ENGINE \'%s\'\\n", f, l, nid, ret->id);\n else\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "\n "\'no matching ENGINE\'\\n", f, l, nid);\n#endif\n CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);\n ERR_pop_to_mark();\n return ret;\n}', 'const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)\n{\n EVP_PKEY_METHOD tmp;\n const EVP_PKEY_METHOD *t = &tmp, **ret;\n tmp.pkey_id = type;\n if (app_pkey_methods) {\n int idx;\n idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);\n if (idx >= 0)\n return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);\n }\n ret = OBJ_bsearch_pmeth(&t, standard_methods,\n sizeof(standard_methods) /\n sizeof(EVP_PKEY_METHOD *));\n if (!ret || !*ret)\n return NULL;\n return *ret;\n}', 'int sk_find(_STACK *st, void *data)\n{\n return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);\n}', 'static int internal_find(_STACK *st, void *data, int ret_val_options)\n{\n const void *const *r;\n int i;\n if (st == NULL)\n return -1;\n if (st->comp == NULL) {\n for (i = 0; i < st->num; i++)\n if (st->data[i] == data)\n return (i);\n return (-1);\n }\n sk_sort(st);\n if (data == NULL)\n return (-1);\n r = OBJ_bsearch_ex_(&data, st->data, st->num, sizeof(void *), st->comp,\n ret_val_options);\n if (r == NULL)\n return (-1);\n return (int)((char **)r - st->data);\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}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', '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}'] |
16,668 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/pngdec.c/#L219 | static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,
uint8_t *src, uint8_t *last, int size, int bpp)
{
int i, p, r, g, b, a;
switch(filter_type) {
case PNG_FILTER_VALUE_NONE:
memcpy(dst, src, size);
break;
case PNG_FILTER_VALUE_SUB:
for(i = 0; i < bpp; i++) {
dst[i] = src[i];
}
if(bpp == 4) {
p = *(int*)dst;
for(; i < size; i+=bpp) {
int s = *(int*)(src+i);
p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080);
*(int*)(dst+i) = p;
}
} else {
#define OP_SUB(x,s,l) x+s
UNROLL_FILTER(OP_SUB);
}
break;
case PNG_FILTER_VALUE_UP:
dsp->add_bytes_l2(dst, src, last, size);
break;
case PNG_FILTER_VALUE_AVG:
for(i = 0; i < bpp; i++) {
p = (last[i] >> 1);
dst[i] = p + src[i];
}
#define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff
UNROLL_FILTER(OP_AVG);
break;
case PNG_FILTER_VALUE_PAETH:
for(i = 0; i < bpp; i++) {
p = last[i];
dst[i] = p + src[i];
}
if(bpp > 1 && size > 4) {
int w = bpp==4 ? size : size-3;
dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);
i = w;
}
ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);
break;
}
} | ['static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,\n uint8_t *src, uint8_t *last, int size, int bpp)\n{\n int i, p, r, g, b, a;\n switch(filter_type) {\n case PNG_FILTER_VALUE_NONE:\n memcpy(dst, src, size);\n break;\n case PNG_FILTER_VALUE_SUB:\n for(i = 0; i < bpp; i++) {\n dst[i] = src[i];\n }\n if(bpp == 4) {\n p = *(int*)dst;\n for(; i < size; i+=bpp) {\n int s = *(int*)(src+i);\n p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080);\n *(int*)(dst+i) = p;\n }\n } else {\n#define OP_SUB(x,s,l) x+s\n UNROLL_FILTER(OP_SUB);\n }\n break;\n case PNG_FILTER_VALUE_UP:\n dsp->add_bytes_l2(dst, src, last, size);\n break;\n case PNG_FILTER_VALUE_AVG:\n for(i = 0; i < bpp; i++) {\n p = (last[i] >> 1);\n dst[i] = p + src[i];\n }\n#define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff\n UNROLL_FILTER(OP_AVG);\n break;\n case PNG_FILTER_VALUE_PAETH:\n for(i = 0; i < bpp; i++) {\n p = last[i];\n dst[i] = p + src[i];\n }\n if(bpp > 1 && size > 4) {\n int w = bpp==4 ? size : size-3;\n dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);\n i = w;\n }\n ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);\n break;\n }\n}'] |
16,669 | 0 | https://github.com/openssl/openssl/blob/33af4421f2ae5e4d0da3a121f51820f4b49a724c/crypto/asn1/t_x509.c/#L413 | int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt=0;
int i;
int y=0,M=0,d=0,h=0,m=0,s=0;
char *f = NULL;
int f_len = 0;
i=tm->length;
v=(char *)tm->data;
if (i < 12) goto err;
if (v[i-1] == 'Z') gmt=1;
for (i=0; i<12; i++)
if ((v[i] > '9') || (v[i] < '0')) goto err;
y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
M= (v[4]-'0')*10+(v[5]-'0');
if ((M > 12) || (M < 1)) goto err;
d= (v[6]-'0')*10+(v[7]-'0');
h= (v[8]-'0')*10+(v[9]-'0');
m= (v[10]-'0')*10+(v[11]-'0');
if ( (v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9'))
{
s= (v[12]-'0')*10+(v[13]-'0');
if (v[14] == '.')
{
int l = tm->length;
f = &v[14];
f_len = 1;
while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
++f_len;
}
}
if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
return(0);
else
return(1);
err:
BIO_write(bp,"Bad time value",14);
return(0);
} | ['static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,\n\t\t\t\t\tSTACK *names, STACK_OF(OCSP_CERTID) *ids,\n\t\t\t\t\tlong nsec, long maxage)\n\t{\n\tOCSP_CERTID *id;\n\tchar *name;\n\tint i;\n\tint status, reason;\n\tASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;\n\tif (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids))\n\t\treturn 1;\n\tfor (i = 0; i < sk_OCSP_CERTID_num(ids); i++)\n\t\t{\n\t\tid = sk_OCSP_CERTID_value(ids, i);\n\t\tname = sk_value(names, i);\n\t\tBIO_printf(out, "%s: ", name);\n\t\tif(!OCSP_resp_find_status(bs, id, &status, &reason,\n\t\t\t\t\t&rev, &thisupd, &nextupd))\n\t\t\t{\n\t\t\tBIO_puts(out, "ERROR: No Status found.\\n");\n\t\t\tcontinue;\n\t\t\t}\n\t\tif (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))\n\t\t\t{\n\t\t\tBIO_puts(out, "WARNING: Status times invalid.\\n");\n\t\t\tERR_print_errors(out);\n\t\t\t}\n\t\tBIO_printf(out, "%s\\n", OCSP_cert_status_str(status));\n\t\tBIO_puts(out, "\\tThis Update: ");\n\t\tASN1_GENERALIZEDTIME_print(out, thisupd);\n\t\tBIO_puts(out, "\\n");\n\t\tif(nextupd)\n\t\t\t{\n\t\t\tBIO_puts(out, "\\tNext Update: ");\n\t\t\tASN1_GENERALIZEDTIME_print(out, nextupd);\n\t\t\tBIO_puts(out, "\\n");\n\t\t\t}\n\t\tif (status != V_OCSP_CERTSTATUS_REVOKED)\n\t\t\tcontinue;\n\t\tif (reason != -1)\n\t\t\tBIO_printf(out, "\\tReason: %s\\n",\n\t\t\t\tOCSP_crl_reason_str(reason));\n\t\tBIO_puts(out, "\\tRevocation Time: ");\n\t\tASN1_GENERALIZEDTIME_print(out, rev);\n\t\tBIO_puts(out, "\\n");\n\t\t}\n\treturn 1;\n\t}', 'int OCSP_resp_find_status(OCSP_BASICRESP *bs, OCSP_CERTID *id, int *status,\n\t\t\t\tint *reason,\n\t\t\t\tASN1_GENERALIZEDTIME **revtime,\n\t\t\t\tASN1_GENERALIZEDTIME **thisupd,\n\t\t\t\tASN1_GENERALIZEDTIME **nextupd)\n\t{\n\tint i;\n\tOCSP_SINGLERESP *single;\n\ti = OCSP_resp_find(bs, id, -1);\n\tif(i < 0) return 0;\n\tsingle = OCSP_resp_get0(bs, i);\n\ti = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd);\n\tif(status) *status = i;\n\treturn 1;\n\t}', 'int OCSP_single_get0_status(OCSP_SINGLERESP *single, int *reason,\n\t\t\t\tASN1_GENERALIZEDTIME **revtime,\n\t\t\t\tASN1_GENERALIZEDTIME **thisupd,\n\t\t\t\tASN1_GENERALIZEDTIME **nextupd)\n\t{\n\tint ret;\n\tOCSP_CERTSTATUS *cst;\n\tif(!single) return -1;\n\tcst = single->certStatus;\n\tret = cst->type;\n\tif (ret == V_OCSP_CERTSTATUS_REVOKED)\n\t\t{\n\t\tOCSP_REVOKEDINFO *rev = cst->value.revoked;\n\t\tif (revtime) *revtime = rev->revocationTime;\n\t\tif (reason)\n\t\t\t{\n\t\t\tif(rev->revocationReason)\n\t\t\t\t*reason = ASN1_ENUMERATED_get(rev->revocationReason);\n\t\t\telse *reason = -1;\n\t\t\t}\n\t\t}\n\tif(thisupd) *thisupd = single->thisUpdate;\n\tif(nextupd) *nextupd = single->nextUpdate;\n\treturn ret;\n\t}', 'int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd, ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec)\n\t{\n\tint ret = 1;\n\ttime_t t_now, t_tmp;\n\ttime(&t_now);\n\tif (!ASN1_GENERALIZEDTIME_check(thisupd))\n\t\t{\n\t\tOCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_THISUPDATE_FIELD);\n\t\tret = 0;\n\t\t}\n\telse\n\t\t{\n\t\t\tt_tmp = t_now + nsec;\n\t\t\tif (X509_cmp_time(thisupd, &t_tmp) > 0)\n\t\t\t{\n\t\t\tOCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_NOT_YET_VALID);\n\t\t\tret = 0;\n\t\t\t}\n\t\tif (maxsec >= 0)\n\t\t\t{\n\t\t\tt_tmp = t_now - maxsec;\n\t\t\tif (X509_cmp_time(thisupd, &t_tmp) < 0)\n\t\t\t\t{\n\t\t\t\tOCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_TOO_OLD);\n\t\t\t\tret = 0;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (!nextupd) return ret;\n\tif (!ASN1_GENERALIZEDTIME_check(nextupd))\n\t\t{\n\t\tOCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD);\n\t\tret = 0;\n\t\t}\n\telse\n\t\t{\n\t\tt_tmp = t_now - nsec;\n\t\tif (X509_cmp_time(nextupd, &t_tmp) < 0)\n\t\t\t{\n\t\t\tOCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_EXPIRED);\n\t\t\tret = 0;\n\t\t\t}\n\t\t}\n\tif (ASN1_STRING_cmp(nextupd, thisupd) < 0)\n\t\t{\n\t\tOCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE);\n\t\tret = 0;\n\t\t}\n\treturn ret;\n\t}', 'int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)\n\t{\n\tchar *v;\n\tint gmt=0;\n\tint i;\n\tint y=0,M=0,d=0,h=0,m=0,s=0;\n\tchar *f = NULL;\n\tint f_len = 0;\n\ti=tm->length;\n\tv=(char *)tm->data;\n\tif (i < 12) goto err;\n\tif (v[i-1] == \'Z\') gmt=1;\n\tfor (i=0; i<12; i++)\n\t\tif ((v[i] > \'9\') || (v[i] < \'0\')) goto err;\n\ty= (v[0]-\'0\')*1000+(v[1]-\'0\')*100 + (v[2]-\'0\')*10+(v[3]-\'0\');\n\tM= (v[4]-\'0\')*10+(v[5]-\'0\');\n\tif ((M > 12) || (M < 1)) goto err;\n\td= (v[6]-\'0\')*10+(v[7]-\'0\');\n\th= (v[8]-\'0\')*10+(v[9]-\'0\');\n\tm= (v[10]-\'0\')*10+(v[11]-\'0\');\n\tif (\t(v[12] >= \'0\') && (v[12] <= \'9\') &&\n\t\t(v[13] >= \'0\') && (v[13] <= \'9\'))\n\t\t{\n\t\ts= (v[12]-\'0\')*10+(v[13]-\'0\');\n\t\tif (v[14] == \'.\')\n\t\t\t{\n\t\t\tint l = tm->length;\n\t\t\tf = &v[14];\n\t\t\tf_len = 1;\n\t\t\twhile (14 + f_len < l && f[f_len] >= \'0\' && f[f_len] <= \'9\')\n\t\t\t\t++f_len;\n\t\t\t}\n\t\t}\n\tif (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",\n\t\tmon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)\n\t\treturn(0);\n\telse\n\t\treturn(1);\nerr:\n\tBIO_write(bp,"Bad time value",14);\n\treturn(0);\n\t}'] |
16,670 | 0 | https://github.com/openssl/openssl/blob/80aa9cc985251463a3ad65b0a4d64bf93c70b175/ssl/d1_both.c/#L974 | int
dtls1_buffer_message(SSL *s, int is_ccs)
{
pitem *item;
hm_fragment *frag;
unsigned char seq64be[8];
unsigned int epoch = s->d1->w_epoch;
OPENSSL_assert(s->init_off == 0);
frag = dtls1_hm_fragment_new(s->init_num);
memcpy(frag->fragment, s->init_buf->data, s->init_num);
if ( is_ccs)
{
OPENSSL_assert(s->d1->w_msg_hdr.msg_len +
DTLS1_CCS_HEADER_LENGTH == (unsigned int)s->init_num);
epoch++;
}
else
{
OPENSSL_assert(s->d1->w_msg_hdr.msg_len +
DTLS1_HM_HEADER_LENGTH == (unsigned int)s->init_num);
}
frag->msg_header.msg_len = s->d1->w_msg_hdr.msg_len;
frag->msg_header.seq = s->d1->w_msg_hdr.seq;
frag->msg_header.type = s->d1->w_msg_hdr.type;
frag->msg_header.frag_off = 0;
frag->msg_header.frag_len = s->d1->w_msg_hdr.msg_len;
frag->msg_header.is_ccs = is_ccs;
memset(seq64be,0,sizeof(seq64be));
seq64be[0] = (unsigned char)(epoch>>8);
seq64be[1] = (unsigned char)(epoch);
seq64be[6] = (unsigned char)(frag->msg_header.seq>>8);
seq64be[7] = (unsigned char)(frag->msg_header.seq);
item = pitem_new(seq64be, frag);
if ( item == NULL)
{
dtls1_hm_fragment_free(frag);
return 0;
}
#if 0
fprintf( stderr, "buffered messge: \ttype = %xx\n", msg_buf->type);
fprintf( stderr, "\t\t\t\t\tlen = %d\n", msg_buf->len);
fprintf( stderr, "\t\t\t\t\tseq_num = %d\n", msg_buf->seq_num);
#endif
pqueue_insert(s->d1->sent_messages, item);
return 1;
} | ['int\ndtls1_buffer_message(SSL *s, int is_ccs)\n\t{\n\tpitem *item;\n\thm_fragment *frag;\n\tunsigned char seq64be[8];\n\tunsigned int epoch = s->d1->w_epoch;\n\tOPENSSL_assert(s->init_off == 0);\n\tfrag = dtls1_hm_fragment_new(s->init_num);\n\tmemcpy(frag->fragment, s->init_buf->data, s->init_num);\n\tif ( is_ccs)\n\t\t{\n\t\tOPENSSL_assert(s->d1->w_msg_hdr.msg_len +\n\t\t\tDTLS1_CCS_HEADER_LENGTH == (unsigned int)s->init_num);\n\t\tepoch++;\n\t\t}\n\telse\n\t\t{\n\t\tOPENSSL_assert(s->d1->w_msg_hdr.msg_len +\n\t\t\tDTLS1_HM_HEADER_LENGTH == (unsigned int)s->init_num);\n\t\t}\n\tfrag->msg_header.msg_len = s->d1->w_msg_hdr.msg_len;\n\tfrag->msg_header.seq = s->d1->w_msg_hdr.seq;\n\tfrag->msg_header.type = s->d1->w_msg_hdr.type;\n\tfrag->msg_header.frag_off = 0;\n\tfrag->msg_header.frag_len = s->d1->w_msg_hdr.msg_len;\n\tfrag->msg_header.is_ccs = is_ccs;\n\tmemset(seq64be,0,sizeof(seq64be));\n\tseq64be[0] = (unsigned char)(epoch>>8);\n\tseq64be[1] = (unsigned char)(epoch);\n\tseq64be[6] = (unsigned char)(frag->msg_header.seq>>8);\n\tseq64be[7] = (unsigned char)(frag->msg_header.seq);\n\titem = pitem_new(seq64be, frag);\n\tif ( item == NULL)\n\t\t{\n\t\tdtls1_hm_fragment_free(frag);\n\t\treturn 0;\n\t\t}\n#if 0\n\tfprintf( stderr, "buffered messge: \\ttype = %xx\\n", msg_buf->type);\n\tfprintf( stderr, "\\t\\t\\t\\t\\tlen = %d\\n", msg_buf->len);\n\tfprintf( stderr, "\\t\\t\\t\\t\\tseq_num = %d\\n", msg_buf->seq_num);\n#endif\n\tpqueue_insert(s->d1->sent_messages, item);\n\treturn 1;\n\t}', 'static hm_fragment *\ndtls1_hm_fragment_new(unsigned long frag_len)\n\t{\n\thm_fragment *frag = NULL;\n\tunsigned char *buf = NULL;\n\tfrag = (hm_fragment *)OPENSSL_malloc(sizeof(hm_fragment));\n\tif ( frag == NULL)\n\t\treturn NULL;\n\tif (frag_len)\n\t\t{\n\t\tbuf = (unsigned char *)OPENSSL_malloc(frag_len);\n\t\tif ( buf == NULL)\n\t\t\t{\n\t\t\tOPENSSL_free(frag);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n\tfrag->fragment = buf;\n\treturn frag;\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}'] |
16,671 | 0 | https://github.com/libav/libav/blob/0bf511d579c7b21f1244eec688abf571ca1235bd/libavfilter/drawutils.c/#L36 | int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w, uint8_t dst_color[4],
enum AVPixelFormat pix_fmt, uint8_t rgba_color[4],
int *is_packed_rgba, uint8_t rgba_map_ptr[4])
{
uint8_t rgba_map[4] = {0};
int i;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
int hsub = pix_desc->log2_chroma_w;
*is_packed_rgba = 1;
switch (pix_fmt) {
case AV_PIX_FMT_ARGB: rgba_map[ALPHA] = 0; rgba_map[RED ] = 1; rgba_map[GREEN] = 2; rgba_map[BLUE ] = 3; break;
case AV_PIX_FMT_ABGR: rgba_map[ALPHA] = 0; rgba_map[BLUE ] = 1; rgba_map[GREEN] = 2; rgba_map[RED ] = 3; break;
case AV_PIX_FMT_RGBA:
case AV_PIX_FMT_RGB24: rgba_map[RED ] = 0; rgba_map[GREEN] = 1; rgba_map[BLUE ] = 2; rgba_map[ALPHA] = 3; break;
case AV_PIX_FMT_BGRA:
case AV_PIX_FMT_BGR24: rgba_map[BLUE ] = 0; rgba_map[GREEN] = 1; rgba_map[RED ] = 2; rgba_map[ALPHA] = 3; break;
default:
*is_packed_rgba = 0;
}
if (*is_packed_rgba) {
pixel_step[0] = (av_get_bits_per_pixel(pix_desc))>>3;
for (i = 0; i < 4; i++)
dst_color[rgba_map[i]] = rgba_color[i];
line[0] = av_malloc(w * pixel_step[0]);
for (i = 0; i < w; i++)
memcpy(line[0] + i * pixel_step[0], dst_color, pixel_step[0]);
if (rgba_map_ptr)
memcpy(rgba_map_ptr, rgba_map, sizeof(rgba_map[0]) * 4);
} else {
int plane;
dst_color[0] = RGB_TO_Y_CCIR(rgba_color[0], rgba_color[1], rgba_color[2]);
dst_color[1] = RGB_TO_U_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
dst_color[2] = RGB_TO_V_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
dst_color[3] = rgba_color[3];
for (plane = 0; plane < 4; plane++) {
int line_size;
int hsub1 = (plane == 1 || plane == 2) ? hsub : 0;
pixel_step[plane] = 1;
line_size = (w >> hsub1) * pixel_step[plane];
line[plane] = av_malloc(line_size);
memset(line[plane], dst_color[plane], line_size);
}
}
return 0;
} | ['int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w, uint8_t dst_color[4],\n enum AVPixelFormat pix_fmt, uint8_t rgba_color[4],\n int *is_packed_rgba, uint8_t rgba_map_ptr[4])\n{\n uint8_t rgba_map[4] = {0};\n int i;\n const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);\n int hsub = pix_desc->log2_chroma_w;\n *is_packed_rgba = 1;\n switch (pix_fmt) {\n case AV_PIX_FMT_ARGB: rgba_map[ALPHA] = 0; rgba_map[RED ] = 1; rgba_map[GREEN] = 2; rgba_map[BLUE ] = 3; break;\n case AV_PIX_FMT_ABGR: rgba_map[ALPHA] = 0; rgba_map[BLUE ] = 1; rgba_map[GREEN] = 2; rgba_map[RED ] = 3; break;\n case AV_PIX_FMT_RGBA:\n case AV_PIX_FMT_RGB24: rgba_map[RED ] = 0; rgba_map[GREEN] = 1; rgba_map[BLUE ] = 2; rgba_map[ALPHA] = 3; break;\n case AV_PIX_FMT_BGRA:\n case AV_PIX_FMT_BGR24: rgba_map[BLUE ] = 0; rgba_map[GREEN] = 1; rgba_map[RED ] = 2; rgba_map[ALPHA] = 3; break;\n default:\n *is_packed_rgba = 0;\n }\n if (*is_packed_rgba) {\n pixel_step[0] = (av_get_bits_per_pixel(pix_desc))>>3;\n for (i = 0; i < 4; i++)\n dst_color[rgba_map[i]] = rgba_color[i];\n line[0] = av_malloc(w * pixel_step[0]);\n for (i = 0; i < w; i++)\n memcpy(line[0] + i * pixel_step[0], dst_color, pixel_step[0]);\n if (rgba_map_ptr)\n memcpy(rgba_map_ptr, rgba_map, sizeof(rgba_map[0]) * 4);\n } else {\n int plane;\n dst_color[0] = RGB_TO_Y_CCIR(rgba_color[0], rgba_color[1], rgba_color[2]);\n dst_color[1] = RGB_TO_U_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);\n dst_color[2] = RGB_TO_V_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);\n dst_color[3] = rgba_color[3];\n for (plane = 0; plane < 4; plane++) {\n int line_size;\n int hsub1 = (plane == 1 || plane == 2) ? hsub : 0;\n pixel_step[plane] = 1;\n line_size = (w >> hsub1) * pixel_step[plane];\n line[plane] = av_malloc(line_size);\n memset(line[plane], dst_color[plane], line_size);\n }\n }\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}'] |
16,672 | 0 | https://github.com/openssl/openssl/blob/ac33c5a477568127ad99b1260a8978477de50e36/crypto/lhash/lhash.c/#L209 | void *lh_delete(_LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | ['int ciphers_main(int argc, char **argv)\n{\n SSL_CTX *ctx = NULL;\n SSL *ssl = NULL;\n STACK_OF(SSL_CIPHER) *sk = NULL;\n const SSL_METHOD *meth = TLS_server_method();\n int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;\n#ifndef OPENSSL_NO_SSL_TRACE\n int stdname = 0;\n#endif\n#ifndef OPENSSL_NO_PSK\n int psk = 0;\n#endif\n const char *p;\n char *ciphers = NULL, *prog;\n char buf[512];\n OPTION_CHOICE o;\n prog = opt_init(argc, argv, ciphers_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(ciphers_options);\n ret = 0;\n goto end;\n case OPT_V:\n verbose = 1;\n break;\n case OPT_UPPER_V:\n verbose = Verbose = 1;\n break;\n case OPT_S:\n use_supported = 1;\n break;\n case OPT_STDNAME:\n#ifndef OPENSSL_NO_SSL_TRACE\n stdname = verbose = 1;\n#endif\n break;\n case OPT_SSL3:\n#ifndef OPENSSL_NO_SSL3\n meth = SSLv3_client_method();\n#endif\n break;\n case OPT_TLS1:\n meth = TLSv1_client_method();\n break;\n case OPT_TLS1_1:\n meth = TLSv1_1_client_method();\n break;\n case OPT_TLS1_2:\n meth = TLSv1_2_client_method();\n break;\n case OPT_PSK:\n#ifndef OPENSSL_NO_PSK\n psk = 1;\n#endif\n break;\n }\n }\n argv = opt_rest();\n argc = opt_num_rest();\n if (argc == 1)\n ciphers = *argv;\n else if (argc != 0)\n goto opthelp;\n ctx = SSL_CTX_new(meth);\n if (ctx == NULL)\n goto err;\n#ifndef OPENSSL_NO_PSK\n if (psk)\n SSL_CTX_set_psk_client_callback(ctx, dummy_psk);\n#endif\n if (ciphers != NULL) {\n if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {\n BIO_printf(bio_err, "Error in cipher list\\n");\n goto err;\n }\n }\n ssl = SSL_new(ctx);\n if (ssl == NULL)\n goto err;\n if (use_supported)\n sk = SSL_get1_supported_ciphers(ssl);\n else\n sk = SSL_get_ciphers(ssl);\n if (!verbose) {\n for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {\n const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);\n p = SSL_CIPHER_get_name(c);\n if (p == NULL)\n break;\n if (i != 0)\n BIO_printf(bio_out, ":");\n BIO_printf(bio_out, "%s", p);\n }\n BIO_printf(bio_out, "\\n");\n } else {\n for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {\n const SSL_CIPHER *c;\n c = sk_SSL_CIPHER_value(sk, i);\n if (Verbose) {\n unsigned long id = SSL_CIPHER_get_id(c);\n int id0 = (int)(id >> 24);\n int id1 = (int)((id >> 16) & 0xffL);\n int id2 = (int)((id >> 8) & 0xffL);\n int id3 = (int)(id & 0xffL);\n if ((id & 0xff000000L) == 0x03000000L)\n BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3);\n else\n BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3);\n }\n#ifndef OPENSSL_NO_SSL_TRACE\n if (stdname) {\n const char *nm = SSL_CIPHER_standard_name(c);\n if (nm == NULL)\n nm = "UNKNOWN";\n BIO_printf(bio_out, "%s - ", nm);\n }\n#endif\n BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof buf));\n }\n }\n ret = 0;\n goto end;\n err:\n ERR_print_errors(bio_err);\n end:\n if (use_supported)\n sk_SSL_CIPHER_free(sk);\n SSL_CTX_free(ctx);\n SSL_free(ssl);\n return (ret);\n}', 'SSL *SSL_new(SSL_CTX *ctx)\n{\n SSL *s;\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX);\n return (NULL);\n }\n if (ctx->method == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n return (NULL);\n }\n s = OPENSSL_zalloc(sizeof(*s));\n if (s == NULL)\n goto err;\n RECORD_LAYER_init(&s->rlayer, s);\n s->options = ctx->options;\n s->min_proto_version = ctx->min_proto_version;\n s->max_proto_version = ctx->max_proto_version;\n s->mode = ctx->mode;\n s->max_cert_list = ctx->max_cert_list;\n s->references = 1;\n s->cert = ssl_cert_dup(ctx->cert);\n if (s->cert == NULL)\n goto err;\n RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);\n s->msg_callback = ctx->msg_callback;\n s->msg_callback_arg = ctx->msg_callback_arg;\n s->verify_mode = ctx->verify_mode;\n s->not_resumable_session_cb = ctx->not_resumable_session_cb;\n s->sid_ctx_length = ctx->sid_ctx_length;\n OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);\n memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));\n s->verify_callback = ctx->default_verify_callback;\n s->generate_session_id = ctx->generate_session_id;\n s->param = X509_VERIFY_PARAM_new();\n if (s->param == NULL)\n goto err;\n X509_VERIFY_PARAM_inherit(s->param, ctx->param);\n s->quiet_shutdown = ctx->quiet_shutdown;\n s->max_send_fragment = ctx->max_send_fragment;\n CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);\n s->ctx = ctx;\n s->tlsext_debug_cb = 0;\n s->tlsext_debug_arg = NULL;\n s->tlsext_ticket_expected = 0;\n s->tlsext_status_type = -1;\n s->tlsext_status_expected = 0;\n s->tlsext_ocsp_ids = NULL;\n s->tlsext_ocsp_exts = NULL;\n s->tlsext_ocsp_resp = NULL;\n s->tlsext_ocsp_resplen = -1;\n CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);\n s->initial_ctx = ctx;\n# ifndef OPENSSL_NO_EC\n if (ctx->tlsext_ecpointformatlist) {\n s->tlsext_ecpointformatlist =\n OPENSSL_memdup(ctx->tlsext_ecpointformatlist,\n ctx->tlsext_ecpointformatlist_length);\n if (!s->tlsext_ecpointformatlist)\n goto err;\n s->tlsext_ecpointformatlist_length =\n ctx->tlsext_ecpointformatlist_length;\n }\n if (ctx->tlsext_ellipticcurvelist) {\n s->tlsext_ellipticcurvelist =\n OPENSSL_memdup(ctx->tlsext_ellipticcurvelist,\n ctx->tlsext_ellipticcurvelist_length);\n if (!s->tlsext_ellipticcurvelist)\n goto err;\n s->tlsext_ellipticcurvelist_length =\n ctx->tlsext_ellipticcurvelist_length;\n }\n# endif\n# ifndef OPENSSL_NO_NEXTPROTONEG\n s->next_proto_negotiated = NULL;\n# endif\n if (s->ctx->alpn_client_proto_list) {\n s->alpn_client_proto_list =\n OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);\n if (s->alpn_client_proto_list == NULL)\n goto err;\n memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,\n s->ctx->alpn_client_proto_list_len);\n s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;\n }\n s->verify_result = X509_V_OK;\n s->default_passwd_callback = ctx->default_passwd_callback;\n s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;\n s->method = ctx->method;\n if (!s->method->ssl_new(s))\n goto err;\n s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;\n if (!SSL_clear(s))\n goto err;\n CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n#ifndef OPENSSL_NO_PSK\n s->psk_client_callback = ctx->psk_client_callback;\n s->psk_server_callback = ctx->psk_server_callback;\n#endif\n s->job = NULL;\n return (s);\n err:\n SSL_free(s);\n SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL);\n#ifdef REF_PRINT\n REF_PRINT("SSL", s);\n#endif\n if (i > 0)\n return;\n#ifdef REF_CHECK\n if (i < 0) {\n fprintf(stderr, "SSL_free, bad reference count\\n");\n abort();\n }\n#endif\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 sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);\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 if (s->method != NULL)\n s->method->ssl_free(s);\n RECORD_LAYER_release(&s->rlayer);\n SSL_CTX_free(s->ctx);\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 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->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_w_lock(CRYPTO_LOCK_SSL_CTX);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n if (lck)\n CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n if (ret) {\n r->not_resumable = 1;\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, r);\n SSL_SESSION_free(r);\n }\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *lh_delete(_LHASH *lh, const void *data)\n{\n unsigned long hash;\n LHASH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}'] |
16,673 | 0 | https://github.com/openssl/openssl/blob/dd616752a1ad3a4cae469ea9ceac50141debe32b/crypto/lhash/lhash.c/#L240 | void *lh_delete(_LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return(ret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tunsigned int off=0, clr=0;\n\tSSL *con=NULL;\n\tint s,k,width,state=0;\n\tchar *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;\n\tint cbuf_len,cbuf_off;\n\tint sbuf_len,sbuf_off;\n\tfd_set readfds,writefds;\n\tshort port=PORT;\n\tint full_log=1;\n\tchar *host=SSL_HOST_NAME;\n\tchar *cert_file=NULL,*key_file=NULL;\n\tint cert_format = FORMAT_PEM, key_format = FORMAT_PEM;\n\tchar *passarg = NULL, *pass = NULL;\n\tX509 *cert = NULL;\n\tEVP_PKEY *key = NULL;\n\tchar *CApath=NULL,*CAfile=NULL,*cipher=NULL;\n\tint reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;\n\tint crlf=0;\n\tint write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;\n\tSSL_CTX *ctx=NULL;\n\tint ret=1,in_init=1,i,nbio_test=0;\n\tint starttls_proto = PROTO_OFF;\n\tint prexit = 0;\n\tX509_VERIFY_PARAM *vpm = NULL;\n\tint badarg = 0;\n\tconst SSL_METHOD *meth=NULL;\n\tint socket_type=SOCK_STREAM;\n\tBIO *sbio;\n\tchar *inrand=NULL;\n\tint mbuf_len=0;\n\tstruct timeval timeout, *timeoutp;\n#ifndef OPENSSL_NO_ENGINE\n\tchar *engine_id=NULL;\n\tchar *ssl_client_engine_id=NULL;\n\tENGINE *ssl_client_engine=NULL;\n#endif\n\tENGINE *e=NULL;\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)\n\tstruct timeval tv;\n#if defined(OPENSSL_SYS_BEOS_R5)\n\tint stdin_set = 0;\n#endif\n#endif\n#ifndef OPENSSL_NO_TLSEXT\n\tchar *servername = NULL;\n tlsextctx tlsextcbp =\n {NULL,0};\n# ifndef OPENSSL_NO_NEXTPROTONEG\n\tconst char *next_proto_neg_in = NULL;\n# endif\n#endif\n\tchar *sess_in = NULL;\n\tchar *sess_out = NULL;\n\tstruct sockaddr peer;\n\tint peerlen = sizeof(peer);\n\tint enable_timeouts = 0 ;\n\tlong socket_mtu = 0;\n#ifndef OPENSSL_NO_JPAKE\n\tchar *jpake_secret = NULL;\n#endif\n#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv23_client_method();\n#elif !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv3_client_method();\n#elif !defined(OPENSSL_NO_SSL2)\n\tmeth=SSLv2_client_method();\n#endif\n\tapps_startup();\n\tc_Pause=0;\n\tc_quiet=0;\n\tc_ign_eof=0;\n\tc_debug=0;\n\tc_msg=0;\n\tc_showcerts=0;\n\tif (bio_err == NULL)\n\t\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n\tif (!load_config(bio_err, NULL))\n\t\tgoto end;\n\tif (\t((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tverify_depth=0;\n\tverify_error=X509_V_OK;\n#ifdef FIONBIO\n\tc_nbio=0;\n#endif\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif\t(strcmp(*argv,"-host") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\thost= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-port") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tport=atoi(*(++argv));\n\t\t\tif (port == 0) goto bad;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-connect") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tif (!extract_host_port(*(++argv),&host,NULL,&port))\n\t\t\t\tgoto bad;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-verify") == 0)\n\t\t\t{\n\t\t\tverify=SSL_VERIFY_PEER;\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tverify_depth=atoi(*(++argv));\n\t\t\tBIO_printf(bio_err,"verify depth is %d\\n",verify_depth);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcert_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-sess_out") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsess_out = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-sess_in") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsess_in = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-certform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcert_format = str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))\n\t\t\t{\n\t\t\tif (badarg)\n\t\t\t\tgoto bad;\n\t\t\tcontinue;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-verify_return_error") == 0)\n\t\t\tverify_return_error = 1;\n\t\telse if\t(strcmp(*argv,"-prexit") == 0)\n\t\t\tprexit=1;\n\t\telse if\t(strcmp(*argv,"-crlf") == 0)\n\t\t\tcrlf=1;\n\t\telse if\t(strcmp(*argv,"-quiet") == 0)\n\t\t\t{\n\t\t\tc_quiet=1;\n\t\t\tc_ign_eof=1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-ign_eof") == 0)\n\t\t\tc_ign_eof=1;\n\t\telse if\t(strcmp(*argv,"-no_ign_eof") == 0)\n\t\t\tc_ign_eof=0;\n\t\telse if\t(strcmp(*argv,"-pause") == 0)\n\t\t\tc_Pause=1;\n\t\telse if\t(strcmp(*argv,"-debug") == 0)\n\t\t\tc_debug=1;\n#ifndef OPENSSL_NO_TLSEXT\n\t\telse if\t(strcmp(*argv,"-tlsextdebug") == 0)\n\t\t\tc_tlsextdebug=1;\n\t\telse if\t(strcmp(*argv,"-status") == 0)\n\t\t\tc_status_req=1;\n#endif\n#ifdef WATT32\n\t\telse if (strcmp(*argv,"-wdebug") == 0)\n\t\t\tdbug_init();\n#endif\n\t\telse if\t(strcmp(*argv,"-msg") == 0)\n\t\t\tc_msg=1;\n\t\telse if\t(strcmp(*argv,"-showcerts") == 0)\n\t\t\tc_showcerts=1;\n\t\telse if\t(strcmp(*argv,"-nbio_test") == 0)\n\t\t\tnbio_test=1;\n\t\telse if\t(strcmp(*argv,"-state") == 0)\n\t\t\tstate=1;\n#ifndef OPENSSL_NO_PSK\n else if (strcmp(*argv,"-psk_identity") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpsk_identity=*(++argv);\n\t\t\t}\n else if (strcmp(*argv,"-psk") == 0)\n\t\t\t{\n size_t j;\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpsk_key=*(++argv);\n\t\t\tfor (j = 0; j < strlen(psk_key); j++)\n {\n if (isxdigit((int)psk_key[j]))\n continue;\n BIO_printf(bio_err,"Not a hex number \'%s\'\\n",*argv);\n goto bad;\n }\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_SSL2\n\t\telse if\t(strcmp(*argv,"-ssl2") == 0)\n\t\t\tmeth=SSLv2_client_method();\n#endif\n#ifndef OPENSSL_NO_SSL3\n\t\telse if\t(strcmp(*argv,"-ssl3") == 0)\n\t\t\tmeth=SSLv3_client_method();\n#endif\n#ifndef OPENSSL_NO_TLS1\n\t\telse if\t(strcmp(*argv,"-tls1_1") == 0)\n\t\t\tmeth=TLSv1_1_client_method();\n\t\telse if\t(strcmp(*argv,"-tls1") == 0)\n\t\t\tmeth=TLSv1_client_method();\n#endif\n#ifndef OPENSSL_NO_DTLS1\n\t\telse if\t(strcmp(*argv,"-dtls1") == 0)\n\t\t\t{\n\t\t\tmeth=DTLSv1_client_method();\n\t\t\tsocket_type=SOCK_DGRAM;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-timeout") == 0)\n\t\t\tenable_timeouts=1;\n\t\telse if (strcmp(*argv,"-mtu") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsocket_mtu = atol(*(++argv));\n\t\t\t}\n#endif\n\t\telse if (strcmp(*argv,"-bugs") == 0)\n\t\t\tbugs=1;\n\t\telse if\t(strcmp(*argv,"-keyform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey_format = str2fmt(*(++argv));\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-pass") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpassarg = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-reconnect") == 0)\n\t\t\t{\n\t\t\treconnect=5;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CApath") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCApath= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CAfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-no_tls1_1") == 0)\n\t\t\toff|=SSL_OP_NO_TLSv1_1;\n\t\telse if (strcmp(*argv,"-no_tls1") == 0)\n\t\t\toff|=SSL_OP_NO_TLSv1;\n\t\telse if (strcmp(*argv,"-no_ssl3") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv3;\n\t\telse if (strcmp(*argv,"-no_ssl2") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv2;\n\t\telse if\t(strcmp(*argv,"-no_comp") == 0)\n\t\t\t{ off|=SSL_OP_NO_COMPRESSION; }\n#ifndef OPENSSL_NO_TLSEXT\n\t\telse if\t(strcmp(*argv,"-no_ticket") == 0)\n\t\t\t{ off|=SSL_OP_NO_TICKET; }\n# ifndef OPENSSL_NO_NEXTPROTONEG\n\t\telse if (strcmp(*argv,"-nextprotoneg") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tnext_proto_neg_in = *(++argv);\n\t\t\t}\n# endif\n#endif\n\t\telse if (strcmp(*argv,"-serverpref") == 0)\n\t\t\toff|=SSL_OP_CIPHER_SERVER_PREFERENCE;\n\t\telse if (strcmp(*argv,"-legacy_renegotiation") == 0)\n\t\t\toff|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;\n\t\telse if\t(strcmp(*argv,"-legacy_server_connect") == 0)\n\t\t\t{ off|=SSL_OP_LEGACY_SERVER_CONNECT; }\n\t\telse if\t(strcmp(*argv,"-no_legacy_server_connect") == 0)\n\t\t\t{ clr|=SSL_OP_LEGACY_SERVER_CONNECT; }\n\t\telse if\t(strcmp(*argv,"-cipher") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcipher= *(++argv);\n\t\t\t}\n#ifdef FIONBIO\n\t\telse if (strcmp(*argv,"-nbio") == 0)\n\t\t\t{ c_nbio=1; }\n#endif\n\t\telse if\t(strcmp(*argv,"-starttls") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\t++argv;\n\t\t\tif (strcmp(*argv,"smtp") == 0)\n\t\t\t\tstarttls_proto = PROTO_SMTP;\n\t\t\telse if (strcmp(*argv,"pop3") == 0)\n\t\t\t\tstarttls_proto = PROTO_POP3;\n\t\t\telse if (strcmp(*argv,"imap") == 0)\n\t\t\t\tstarttls_proto = PROTO_IMAP;\n\t\t\telse if (strcmp(*argv,"ftp") == 0)\n\t\t\t\tstarttls_proto = PROTO_FTP;\n\t\t\telse if (strcmp(*argv, "xmpp") == 0)\n\t\t\t\tstarttls_proto = PROTO_XMPP;\n\t\t\telse\n\t\t\t\tgoto bad;\n\t\t\t}\n#ifndef OPENSSL_NO_ENGINE\n\t\telse if\t(strcmp(*argv,"-engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tengine_id = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-ssl_client_engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tssl_client_engine_id = *(++argv);\n\t\t\t}\n#endif\n\t\telse if (strcmp(*argv,"-rand") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinrand= *(++argv);\n\t\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\t\telse if (strcmp(*argv,"-servername") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tservername= *(++argv);\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_JPAKE\n\t\telse if (strcmp(*argv,"-jpake") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tjpake_secret = *++argv;\n\t\t\t}\n#endif\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadop=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badop)\n\t\t{\nbad:\n\t\tsc_usage();\n\t\tgoto end;\n\t\t}\n#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)\n\tif (jpake_secret)\n\t\t{\n\t\tif (psk_key)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Can\'t use JPAKE and PSK together\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tpsk_identity = "JPAKE";\n\t\t}\n\tif (cipher)\n\t\t{\n\t\tBIO_printf(bio_err, "JPAKE sets cipher to PSK\\n");\n\t\tgoto end;\n\t\t}\n\tcipher = "PSK";\n#endif\n\tOpenSSL_add_ssl_algorithms();\n\tSSL_load_error_strings();\n#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)\n\tnext_proto.status = -1;\n\tif (next_proto_neg_in)\n\t\t{\n\t\tnext_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);\n\t\tif (next_proto.data == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error parsing -nextprotoneg argument\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\telse\n\t\tnext_proto.data = NULL;\n#endif\n#ifndef OPENSSL_NO_ENGINE\n e = setup_engine(bio_err, engine_id, 1);\n\tif (ssl_client_engine_id)\n\t\t{\n\t\tssl_client_engine = ENGINE_by_id(ssl_client_engine_id);\n\t\tif (!ssl_client_engine)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t"Error getting client auth engine\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (!app_passwd(bio_err, passarg, NULL, &pass, NULL))\n\t\t{\n\t\tBIO_printf(bio_err, "Error getting password\\n");\n\t\tgoto end;\n\t\t}\n\tif (key_file == NULL)\n\t\tkey_file = cert_file;\n\tif (key_file)\n\t\t{\n\t\tkey = load_key(bio_err, key_file, key_format, 0, pass, e,\n\t\t\t "client certificate private key file");\n\t\tif (!key)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (cert_file)\n\t\t{\n\t\tcert = load_cert(bio_err,cert_file,cert_format,\n\t\t\t\tNULL, e, "client certificate file");\n\t\tif (!cert)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL\n\t\t&& !RAND_status())\n\t\t{\n\t\tBIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\\n");\n\t\t}\n\tif (inrand != NULL)\n\t\tBIO_printf(bio_err,"%ld semi-random bytes loaded\\n",\n\t\t\tapp_RAND_load_files(inrand));\n\tif (bio_c_out == NULL)\n\t\t{\n\t\tif (c_quiet && !c_debug && !c_msg)\n\t\t\t{\n\t\t\tbio_c_out=BIO_new(BIO_s_null());\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bio_c_out == NULL)\n\t\t\t\tbio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);\n\t\t\t}\n\t\t}\n\tctx=SSL_CTX_new(meth);\n\tif (ctx == NULL)\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (vpm)\n\t\tSSL_CTX_set1_param(ctx, vpm);\n#ifndef OPENSSL_NO_ENGINE\n\tif (ssl_client_engine)\n\t\t{\n\t\tif (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))\n\t\t\t{\n\t\t\tBIO_puts(bio_err, "Error setting client auth engine\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tENGINE_free(ssl_client_engine);\n\t\t\tgoto end;\n\t\t\t}\n\t\tENGINE_free(ssl_client_engine);\n\t\t}\n#endif\n#ifndef OPENSSL_NO_PSK\n#ifdef OPENSSL_NO_JPAKE\n\tif (psk_key != NULL)\n#else\n\tif (psk_key != NULL || jpake_secret)\n#endif\n\t\t{\n\t\tif (c_debug)\n\t\t\tBIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\\n");\n\t\tSSL_CTX_set_psk_client_callback(ctx, psk_client_cb);\n\t\t}\n#endif\n\tif (bugs)\n\t\tSSL_CTX_set_options(ctx,SSL_OP_ALL|off);\n\telse\n\t\tSSL_CTX_set_options(ctx,off);\n\tif (clr)\n\t\tSSL_CTX_clear_options(ctx, clr);\n\tif (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);\n#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)\n\tif (next_proto.data)\n\t\tSSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);\n#endif\n\tif (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);\n\tif (cipher != NULL)\n\t\tif(!SSL_CTX_set_cipher_list(ctx,cipher)) {\n\t\tBIO_printf(bio_err,"error setting cipher list\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t}\n#if 0\n\telse\n\t\tSSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));\n#endif\n\tSSL_CTX_set_verify(ctx,verify,verify_callback);\n\tif (!set_cert_key_stuff(ctx,cert,key))\n\t\tgoto end;\n\tif ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(ctx)))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\tif (servername != NULL)\n\t\t{\n\t\ttlsextcbp.biodebug = bio_err;\n\t\tSSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);\n\t\tSSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);\n\t\t}\n#endif\n\tcon=SSL_new(ctx);\n\tif (sess_in)\n\t\t{\n\t\tSSL_SESSION *sess;\n\t\tBIO *stmp = BIO_new_file(sess_in, "r");\n\t\tif (!stmp)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Can\'t open session file %s\\n",\n\t\t\t\t\t\tsess_in);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\tsess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);\n\t\tBIO_free(stmp);\n\t\tif (!sess)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Can\'t open session file %s\\n",\n\t\t\t\t\t\tsess_in);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\tSSL_set_session(con, sess);\n\t\tSSL_SESSION_free(sess);\n\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\tif (servername != NULL)\n\t\t{\n\t\tif (!SSL_set_tlsext_host_name(con,servername))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Unable to set TLS servername extension.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_KRB5\n\tif (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)\n {\n kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);\n\t\t}\n#endif\n#if 0\n#ifdef TLSEXT_TYPE_opaque_prf_input\n\tSSL_set_tlsext_opaque_prf_input(con, "Test client", 11);\n#endif\n#endif\nre_start:\n\tif (init_client(&s,host,port,socket_type) == 0)\n\t\t{\n\t\tBIO_printf(bio_err,"connect:errno=%d\\n",get_last_socket_error());\n\t\tSHUTDOWN(s);\n\t\tgoto end;\n\t\t}\n\tBIO_printf(bio_c_out,"CONNECTED(%08X)\\n",s);\n#ifdef FIONBIO\n\tif (c_nbio)\n\t\t{\n\t\tunsigned long l=1;\n\t\tBIO_printf(bio_c_out,"turning on non blocking io\\n");\n\t\tif (BIO_socket_ioctl(s,FIONBIO,&l) < 0)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (c_Pause & 0x01) con->debug=1;\n\tif ( SSL_version(con) == DTLS1_VERSION)\n\t\t{\n\t\tsbio=BIO_new_dgram(s,BIO_NOCLOSE);\n\t\tif (getsockname(s, &peer, (void *)&peerlen) < 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "getsockname:errno=%d\\n",\n\t\t\t\tget_last_socket_error());\n\t\t\tSHUTDOWN(s);\n\t\t\tgoto end;\n\t\t\t}\n\t\t(void)BIO_ctrl_set_connected(sbio, 1, &peer);\n\t\tif (enable_timeouts)\n\t\t\t{\n\t\t\ttimeout.tv_sec = 0;\n\t\t\ttimeout.tv_usec = DGRAM_RCV_TIMEOUT;\n\t\t\tBIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);\n\t\t\ttimeout.tv_sec = 0;\n\t\t\ttimeout.tv_usec = DGRAM_SND_TIMEOUT;\n\t\t\tBIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);\n\t\t\t}\n\t\tif (socket_mtu > 28)\n\t\t\t{\n\t\t\tSSL_set_options(con, SSL_OP_NO_QUERY_MTU);\n\t\t\tSSL_set_mtu(con, socket_mtu - 28);\n\t\t\t}\n\t\telse\n\t\t\tBIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);\n\t\t}\n\telse\n\t\tsbio=BIO_new_socket(s,BIO_NOCLOSE);\n\tif (nbio_test)\n\t\t{\n\t\tBIO *test;\n\t\ttest=BIO_new(BIO_f_nbio_test());\n\t\tsbio=BIO_push(test,sbio);\n\t\t}\n\tif (c_debug)\n\t\t{\n\t\tcon->debug=1;\n\t\tBIO_set_callback(sbio,bio_dump_callback);\n\t\tBIO_set_callback_arg(sbio,(char *)bio_c_out);\n\t\t}\n\tif (c_msg)\n\t\t{\n\t\tSSL_set_msg_callback(con, msg_cb);\n\t\tSSL_set_msg_callback_arg(con, bio_c_out);\n\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\tif (c_tlsextdebug)\n\t\t{\n\t\tSSL_set_tlsext_debug_callback(con, tlsext_cb);\n\t\tSSL_set_tlsext_debug_arg(con, bio_c_out);\n\t\t}\n\tif (c_status_req)\n\t\t{\n\t\tSSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);\n\t\tSSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);\n\t\tSSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);\n#if 0\n{\nSTACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();\nOCSP_RESPID *id = OCSP_RESPID_new();\nid->value.byKey = ASN1_OCTET_STRING_new();\nid->type = V_OCSP_RESPID_KEY;\nASN1_STRING_set(id->value.byKey, "Hello World", -1);\nsk_OCSP_RESPID_push(ids, id);\nSSL_set_tlsext_status_ids(con, ids);\n}\n#endif\n\t\t}\n#endif\n#ifndef OPENSSL_NO_JPAKE\n\tif (jpake_secret)\n\t\tjpake_client_auth(bio_c_out, sbio, jpake_secret);\n#endif\n\tSSL_set_bio(con,sbio,sbio);\n\tSSL_set_connect_state(con);\n\twidth=SSL_get_fd(con)+1;\n\tread_tty=1;\n\twrite_tty=0;\n\ttty_on=0;\n\tread_ssl=1;\n\twrite_ssl=1;\n\tcbuf_len=0;\n\tcbuf_off=0;\n\tsbuf_len=0;\n\tsbuf_off=0;\n\tif (starttls_proto == PROTO_SMTP)\n\t\t{\n\t\tint foundit=0;\n\t\tBIO *fbio = BIO_new(BIO_f_buffer());\n\t\tBIO_push(fbio, sbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[3]==\'-\');\n\t\tBIO_printf(fbio,"EHLO openssl.client.net\\r\\n");\n\t\t(void)BIO_flush(fbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\tif (strstr(mbuf,"STARTTLS"))\n\t\t\t\tfoundit=1;\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[3]==\'-\');\n\t\t(void)BIO_flush(fbio);\n\t\tBIO_pop(fbio);\n\t\tBIO_free(fbio);\n\t\tif (!foundit)\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t "didn\'t found starttls in server response,"\n\t\t\t\t " try anyway...\\n");\n\t\tBIO_printf(sbio,"STARTTLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\telse if (starttls_proto == PROTO_POP3)\n\t\t{\n\t\tBIO_read(sbio,mbuf,BUFSIZZ);\n\t\tBIO_printf(sbio,"STLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\telse if (starttls_proto == PROTO_IMAP)\n\t\t{\n\t\tint foundit=0;\n\t\tBIO *fbio = BIO_new(BIO_f_buffer());\n\t\tBIO_push(fbio, sbio);\n\t\tBIO_gets(fbio,mbuf,BUFSIZZ);\n\t\tBIO_printf(fbio,". CAPABILITY\\r\\n");\n\t\t(void)BIO_flush(fbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\tif (strstr(mbuf,"STARTTLS"))\n\t\t\t\tfoundit=1;\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[0]!=\'.\');\n\t\t(void)BIO_flush(fbio);\n\t\tBIO_pop(fbio);\n\t\tBIO_free(fbio);\n\t\tif (!foundit)\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t "didn\'t found STARTTLS in server response,"\n\t\t\t\t " try anyway...\\n");\n\t\tBIO_printf(sbio,". STARTTLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\telse if (starttls_proto == PROTO_FTP)\n\t\t{\n\t\tBIO *fbio = BIO_new(BIO_f_buffer());\n\t\tBIO_push(fbio, sbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[3]==\'-\');\n\t\t(void)BIO_flush(fbio);\n\t\tBIO_pop(fbio);\n\t\tBIO_free(fbio);\n\t\tBIO_printf(sbio,"AUTH TLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\tif (starttls_proto == PROTO_XMPP)\n\t\t{\n\t\tint seen = 0;\n\t\tBIO_printf(sbio,"<stream:stream "\n\t\t "xmlns:stream=\'http://etherx.jabber.org/streams\' "\n\t\t "xmlns=\'jabber:client\' to=\'%s\' version=\'1.0\'>", host);\n\t\tseen = BIO_read(sbio,mbuf,BUFSIZZ);\n\t\tmbuf[seen] = 0;\n\t\twhile (!strstr(mbuf, "<starttls xmlns=\'urn:ietf:params:xml:ns:xmpp-tls\'"))\n\t\t\t{\n\t\t\tif (strstr(mbuf, "/stream:features>"))\n\t\t\t\tgoto shut;\n\t\t\tseen = BIO_read(sbio,mbuf,BUFSIZZ);\n\t\t\tmbuf[seen] = 0;\n\t\t\t}\n\t\tBIO_printf(sbio, "<starttls xmlns=\'urn:ietf:params:xml:ns:xmpp-tls\'/>");\n\t\tseen = BIO_read(sbio,sbuf,BUFSIZZ);\n\t\tsbuf[seen] = 0;\n\t\tif (!strstr(sbuf, "<proceed"))\n\t\t\tgoto shut;\n\t\tmbuf[0] = 0;\n\t\t}\n\tfor (;;)\n\t\t{\n\t\tFD_ZERO(&readfds);\n\t\tFD_ZERO(&writefds);\n\t\tif ((SSL_version(con) == DTLS1_VERSION) &&\n\t\t\tDTLSv1_get_timeout(con, &timeout))\n\t\t\ttimeoutp = &timeout;\n\t\telse\n\t\t\ttimeoutp = NULL;\n\t\tif (SSL_in_init(con) && !SSL_total_renegotiations(con))\n\t\t\t{\n\t\t\tin_init=1;\n\t\t\ttty_on=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\ttty_on=1;\n\t\t\tif (in_init)\n\t\t\t\t{\n\t\t\t\tin_init=0;\n#if 0\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\t\tif (servername != NULL && !SSL_session_reused(con))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\\n",tlsextcbp.ack?"":"not ");\n\t\t\t\t\t}\n#endif\n#endif\n\t\t\t\tif (sess_out)\n\t\t\t\t\t{\n\t\t\t\t\tBIO *stmp = BIO_new_file(sess_out, "w");\n\t\t\t\t\tif (stmp)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tPEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));\n\t\t\t\t\t\tBIO_free(stmp);\n\t\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t\tBIO_printf(bio_err, "Error writing session file %s\\n", sess_out);\n\t\t\t\t\t}\n\t\t\t\tprint_stuff(bio_c_out,con,full_log);\n\t\t\t\tif (full_log > 0) full_log--;\n\t\t\t\tif (starttls_proto)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"%s",mbuf);\n\t\t\t\t\tstarttls_proto = PROTO_OFF;\n\t\t\t\t\t}\n\t\t\t\tif (reconnect)\n\t\t\t\t\t{\n\t\t\t\t\treconnect--;\n\t\t\t\t\tBIO_printf(bio_c_out,"drop connection and then reconnect\\n");\n\t\t\t\t\tSSL_shutdown(con);\n\t\t\t\t\tSSL_set_connect_state(con);\n\t\t\t\t\tSHUTDOWN(SSL_get_fd(con));\n\t\t\t\t\tgoto re_start;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tssl_pending = read_ssl && SSL_pending(con);\n\t\tif (!ssl_pending)\n\t\t\t{\n#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)\n\t\t\tif (tty_on)\n\t\t\t\t{\n\t\t\t\tif (read_tty) openssl_fdset(fileno(stdin),&readfds);\n\t\t\t\tif (write_tty) openssl_fdset(fileno(stdout),&writefds);\n\t\t\t\t}\n\t\t\tif (read_ssl)\n\t\t\t\topenssl_fdset(SSL_get_fd(con),&readfds);\n\t\t\tif (write_ssl)\n\t\t\t\topenssl_fdset(SSL_get_fd(con),&writefds);\n#else\n\t\t\tif(!tty_on || !write_tty) {\n\t\t\t\tif (read_ssl)\n\t\t\t\t\topenssl_fdset(SSL_get_fd(con),&readfds);\n\t\t\t\tif (write_ssl)\n\t\t\t\t\topenssl_fdset(SSL_get_fd(con),&writefds);\n\t\t\t}\n#endif\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n\t\t\ti=0;\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\t NULL,&tv);\n#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)\n\t\t\t\t\tif(!i && (!_kbhit() || !read_tty) ) continue;\n#else\n\t\t\t\t\tif(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;\n#endif\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t NULL,timeoutp);\n\t\t\t}\n#elif defined(OPENSSL_SYS_NETWARE)\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\tNULL,&tv);\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\tNULL,timeoutp);\n\t\t\t}\n#elif defined(OPENSSL_SYS_BEOS_R5)\n\t\t\ti=0;\n\t\t\tstdin_set = 0;\n\t\t\t(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\t NULL,&tv);\n\t\t\t\t\tif (read(fileno(stdin), sbuf, 0) >= 0)\n\t\t\t\t\t\tstdin_set = 1;\n\t\t\t\t\tif (!i && (stdin_set != 1 || !read_tty))\n\t\t\t\t\t\tcontinue;\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t NULL,timeoutp);\n\t\t\t}\n\t\t\t(void)fcntl(fileno(stdin), F_SETFL, 0);\n#else\n\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t NULL,timeoutp);\n#endif\n\t\t\tif ( i < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"bad select %d\\n",\n\t\t\t\tget_last_socket_error());\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n\t\tif ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"TIMEOUT occured\\n");\n\t\t\t}\n\t\tif (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))\n\t\t\t{\n\t\t\tk=SSL_write(con,&(cbuf[cbuf_off]),\n\t\t\t\t(unsigned int)cbuf_len);\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tcbuf_off+=k;\n\t\t\t\tcbuf_len-=k;\n\t\t\t\tif (k <= 0) goto end;\n\t\t\t\tif (cbuf_len <= 0)\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=0;\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"write W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"write R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_ssl=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"write X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tif (cbuf_len != 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_c_out,"shutdown\\n");\n\t\t\t\t\tret = 0;\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tif ((k != 0) || (cbuf_len != 0))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"write:errno=%d\\n",\n\t\t\t\t\t\tget_last_socket_error());\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)\n\t\telse if (!ssl_pending && write_tty)\n#else\n\t\telse if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))\n#endif\n\t\t\t{\n#ifdef CHARSET_EBCDIC\n\t\t\tascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);\n#endif\n\t\t\ti=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);\n\t\t\tif (i <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_c_out,"DONE\\n");\n\t\t\t\tret = 0;\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tsbuf_len-=i;;\n\t\t\tsbuf_off+=i;\n\t\t\tif (sbuf_len <= 0)\n\t\t\t\t{\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_tty=0;\n\t\t\t\t}\n\t\t\t}\n\t\telse if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))\n\t\t\t{\n#ifdef RENEG\n{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }\n#endif\n#if 1\n\t\t\tk=SSL_read(con,sbuf,1024 );\n#else\n\t\t\tk=SSL_read(con,sbuf,16);\n{ char zbuf[10240];\nprintf("read=%d pending=%d peek=%d\\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));\n}\n#endif\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tif (k <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\tsbuf_off=0;\n\t\t\t\tsbuf_len=k;\n\t\t\t\tread_ssl=0;\n\t\t\t\twrite_tty=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"read W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"read R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\tif ((read_tty == 0) && (write_ssl == 0))\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"read X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tret=get_last_socket_error();\n\t\t\t\tBIO_printf(bio_err,"read:errno=%d\\n",ret);\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tBIO_printf(bio_c_out,"closed\\n");\n\t\t\t\tret=0;\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)\n\t\telse if (_kbhit())\n#else\n\t\telse if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))\n#endif\n#elif defined (OPENSSL_SYS_NETWARE)\n\t\telse if (_kbhit())\n#elif defined(OPENSSL_SYS_BEOS_R5)\n\t\telse if (stdin_set)\n#else\n\t\telse if (FD_ISSET(fileno(stdin),&readfds))\n#endif\n\t\t\t{\n\t\t\tif (crlf)\n\t\t\t\t{\n\t\t\t\tint j, lf_num;\n\t\t\t\ti=raw_read_stdin(cbuf,BUFSIZZ/2);\n\t\t\t\tlf_num = 0;\n\t\t\t\tfor (j = 0; j < i; j++)\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\tlf_num++;\n\t\t\t\tfor (j = i-1; j >= 0; j--)\n\t\t\t\t\t{\n\t\t\t\t\tcbuf[j+lf_num] = cbuf[j];\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\t{\n\t\t\t\t\t\tlf_num--;\n\t\t\t\t\t\ti++;\n\t\t\t\t\t\tcbuf[j+lf_num] = \'\\r\';\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\tassert(lf_num == 0);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\ti=raw_read_stdin(cbuf,BUFSIZZ);\n\t\t\tif ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == \'Q\')))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DONE\\n");\n\t\t\t\tret=0;\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tif ((!c_ign_eof) && (cbuf[0] == \'R\'))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RENEGOTIATING\\n");\n\t\t\t\tSSL_renegotiate(con);\n\t\t\t\tcbuf_len=0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tcbuf_len=i;\n\t\t\t\tcbuf_off=0;\n#ifdef CHARSET_EBCDIC\n\t\t\t\tebcdic2ascii(cbuf, cbuf, i);\n#endif\n\t\t\t\t}\n\t\t\twrite_ssl=1;\n\t\t\tread_tty=0;\n\t\t\t}\n\t\t}\n\tret=0;\nshut:\n\tif (in_init)\n\t\tprint_stuff(bio_c_out,con,full_log);\n\tSSL_shutdown(con);\n\tSHUTDOWN(SSL_get_fd(con));\nend:\n\tif (con != NULL)\n\t\t{\n\t\tif (prexit != 0)\n\t\t\tprint_stuff(bio_c_out,con,1);\n\t\tSSL_free(con);\n\t\t}\n\tif (ctx != NULL) SSL_CTX_free(ctx);\n\tif (cert)\n\t\tX509_free(cert);\n\tif (key)\n\t\tEVP_PKEY_free(key);\n\tif (pass)\n\t\tOPENSSL_free(pass);\n\tif (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }\n\tif (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }\n\tif (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }\n\tif (bio_c_out != NULL)\n\t\t{\n\t\tBIO_free(bio_c_out);\n\t\tbio_c_out=NULL;\n\t\t}\n\tapps_shutdown();\n\tOPENSSL_EXIT(ret);\n\t}', 'int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key)\n\t{\n\tif (cert == NULL)\n\t\treturn 1;\n\tif (SSL_CTX_use_certificate(ctx,cert) <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"error setting certificate\\n");\n\t\tERR_print_errors(bio_err);\n\t\treturn 0;\n\t\t}\n\tif (SSL_CTX_use_PrivateKey(ctx,key) <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"error setting private key\\n");\n\t\tERR_print_errors(bio_err);\n\t\treturn 0;\n\t\t}\n\tif (!SSL_CTX_check_private_key(ctx))\n\t\t{\n\t\tBIO_printf(bio_err,"Private key does not match the certificate public key\\n");\n\t\treturn 0;\n\t\t}\n\treturn 1;\n\t}', 'int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)\n\t{\n\tif (x == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE,ERR_R_PASSED_NULL_PARAMETER);\n\t\treturn(0);\n\t\t}\n\tif (!ssl_cert_inst(&ctx->cert))\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE,ERR_R_MALLOC_FAILURE);\n\t\treturn(0);\n\t\t}\n\treturn(ssl_set_cert(ctx->cert, x));\n\t}', 'static int ssl_set_cert(CERT *c, X509 *x)\n\t{\n\tEVP_PKEY *pkey;\n\tint i;\n\tpkey=X509_get_pubkey(x);\n\tif (pkey == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_SET_CERT,SSL_R_X509_LIB);\n\t\treturn(0);\n\t\t}\n\ti=ssl_cert_type(x,pkey);\n\tif (i < 0)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_SET_CERT,SSL_R_UNKNOWN_CERTIFICATE_TYPE);\n\t\tEVP_PKEY_free(pkey);\n\t\treturn(0);\n\t\t}\n\tif (c->pkeys[i].privatekey != NULL)\n\t\t{\n\t\tEVP_PKEY_copy_parameters(pkey,c->pkeys[i].privatekey);\n\t\tERR_clear_error();\n#ifndef OPENSSL_NO_RSA\n\t\tif ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&\n\t\t\t(RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &\n\t\t\t RSA_METHOD_FLAG_NO_CHECK))\n\t\t\t ;\n\t\telse\n#endif\n\t\tif (!X509_check_private_key(x,c->pkeys[i].privatekey))\n\t\t\t{\n\t\t\tEVP_PKEY_free(c->pkeys[i].privatekey);\n\t\t\tc->pkeys[i].privatekey=NULL;\n\t\t\tERR_clear_error();\n\t\t\t}\n\t\t}\n\tEVP_PKEY_free(pkey);\n\tif (c->pkeys[i].x509 != NULL)\n\t\tX509_free(c->pkeys[i].x509);\n\tCRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);\n\tc->pkeys[i].x509=x;\n\tc->key= &(c->pkeys[i]);\n\tc->valid=0;\n\treturn(1);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}', 'EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key)\n\t{\n\tEVP_PKEY *ret=NULL;\n\tif (key == NULL) goto error;\n\tif (key->pkey != NULL)\n\t\t{\n\t\tCRYPTO_add(&key->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);\n\t\treturn key->pkey;\n\t\t}\n\tif (key->public_key == NULL) goto error;\n\tif ((ret = EVP_PKEY_new()) == NULL)\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET, ERR_R_MALLOC_FAILURE);\n\t\tgoto error;\n\t\t}\n\tif (!EVP_PKEY_set_type(ret, OBJ_obj2nid(key->algor->algorithm)))\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET,X509_R_UNSUPPORTED_ALGORITHM);\n\t\tgoto error;\n\t\t}\n\tif (ret->ameth->pub_decode)\n\t\t{\n\t\tif (!ret->ameth->pub_decode(ret, key))\n\t\t\t{\n\t\t\tX509err(X509_F_X509_PUBKEY_GET,\n\t\t\t\t\t\tX509_R_PUBLIC_KEY_DECODE_ERROR);\n\t\t\tgoto error;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET, X509_R_METHOD_NOT_SUPPORTED);\n\t\tgoto error;\n\t\t}\n\tkey->pkey = ret;\n\tCRYPTO_add(&ret->references, 1, CRYPTO_LOCK_EVP_PKEY);\n\treturn ret;\n\terror:\n\tif (ret != NULL)\n\t\tEVP_PKEY_free(ret);\n\treturn(NULL);\n\t}', 'int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)\n\t{\n\treturn pkey_set_type(pkey, type, NULL, -1);\n\t}', 'static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)\n\t{\n\tconst EVP_PKEY_ASN1_METHOD *ameth;\n\tENGINE *e = NULL;\n\tif (pkey)\n\t\t{\n\t\tif (pkey->pkey.ptr)\n\t\t\tEVP_PKEY_free_it(pkey);\n\t\tif ((type == pkey->save_type) && pkey->ameth)\n\t\t\treturn 1;\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (pkey->engine)\n\t\t\t{\n\t\t\tENGINE_finish(pkey->engine);\n\t\t\tpkey->engine = NULL;\n\t\t\t}\n#endif\n\t\t}\n\tif (str)\n\t\tameth = EVP_PKEY_asn1_find_str(&e, str, len);\n\telse\n\t\tameth = EVP_PKEY_asn1_find(&e, type);\n#ifndef OPENSSL_NO_ENGINE\n\tif (!pkey && e)\n\t\tENGINE_finish(e);\n#endif\n\tif (!ameth)\n\t\t{\n\t\tEVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);\n\t\treturn 0;\n\t\t}\n\tif (pkey)\n\t\t{\n\t\tpkey->ameth = ameth;\n\t\tpkey->engine = e;\n\t\tpkey->type = pkey->ameth->pkey_id;\n\t\tpkey->save_type=type;\n\t\t}\n\treturn 1;\n\t}', 'const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type)\n\t{\n\tconst EVP_PKEY_ASN1_METHOD *t;\n\tfor (;;)\n\t\t{\n\t\tt = pkey_asn1_find(type);\n\t\tif (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))\n\t\t\tbreak;\n\t\ttype = t->pkey_base_id;\n\t\t}\n\tif (pe)\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tENGINE *e;\n\t\te = ENGINE_get_pkey_asn1_meth_engine(type);\n\t\tif (e)\n\t\t\t{\n\t\t\t*pe = e;\n\t\t\treturn ENGINE_get_pkey_asn1_meth(e, type);\n\t\t\t}\n#endif\n\t\t*pe = NULL;\n\t\t}\n\treturn t;\n\t}', 'ENGINE *ENGINE_get_pkey_asn1_meth_engine(int nid)\n\t{\n\treturn engine_table_select(&pkey_asn1_meth_table, nid);\n\t}', 'ENGINE *engine_table_select(ENGINE_TABLE **table, int nid)\n#else\nENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f, int l)\n#endif\n\t{\n\tENGINE *ret = NULL;\n\tENGINE_PILE tmplate, *fnd=NULL;\n\tint initres, loop = 0;\n\tif(!(*table))\n\t\t{\n#ifdef ENGINE_TABLE_DEBUG\n\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, nothing "\n\t\t\t"registered!\\n", f, l, nid);\n#endif\n\t\treturn NULL;\n\t\t}\n\tERR_set_mark();\n\tCRYPTO_w_lock(CRYPTO_LOCK_ENGINE);\n\tif(!int_table_check(table, 0)) goto end;\n\ttmplate.nid = nid;\n\tfnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate);\n\tif(!fnd) goto end;\n\tif(fnd->funct && engine_unlocked_init(fnd->funct))\n\t\t{\n#ifdef ENGINE_TABLE_DEBUG\n\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "\n\t\t\t"ENGINE \'%s\' cached\\n", f, l, nid, fnd->funct->id);\n#endif\n\t\tret = fnd->funct;\n\t\tgoto end;\n\t\t}\n\tif(fnd->uptodate)\n\t\t{\n\t\tret = fnd->funct;\n\t\tgoto end;\n\t\t}\ntrynext:\n\tret = sk_ENGINE_value(fnd->sk, loop++);\n\tif(!ret)\n\t\t{\n#ifdef ENGINE_TABLE_DEBUG\n\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, no "\n\t\t\t\t"registered implementations would initialise\\n",\n\t\t\t\tf, l, nid);\n#endif\n\t\tgoto end;\n\t\t}\n\tif((ret->funct_ref > 0) || !(table_flags & ENGINE_TABLE_FLAG_NOINIT))\n\t\tinitres = engine_unlocked_init(ret);\n\telse\n\t\tinitres = 0;\n\tif(initres)\n\t\t{\n\t\tif((fnd->funct != ret) && engine_unlocked_init(ret))\n\t\t\t{\n\t\t\tif(fnd->funct)\n\t\t\t\tengine_unlocked_finish(fnd->funct, 0);\n\t\t\tfnd->funct = ret;\n#ifdef ENGINE_TABLE_DEBUG\n\t\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, "\n\t\t\t\t"setting default to \'%s\'\\n", f, l, nid, ret->id);\n#endif\n\t\t\t}\n#ifdef ENGINE_TABLE_DEBUG\n\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "\n\t\t\t\t"newly initialised \'%s\'\\n", f, l, nid, ret->id);\n#endif\n\t\tgoto end;\n\t\t}\n\tgoto trynext;\nend:\n\tif(fnd) fnd->uptodate = 1;\n#ifdef ENGINE_TABLE_DEBUG\n\tif(ret)\n\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "\n\t\t\t\t"ENGINE \'%s\'\\n", f, l, nid, ret->id);\n\telse\n\t\tfprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "\n\t\t\t\t"\'no matching ENGINE\'\\n", f, l, nid);\n#endif\n\tCRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);\n\tERR_pop_to_mark();\n\treturn ret;\n\t}', 'static int int_table_check(ENGINE_TABLE **t, int create)\n\t{\n\tLHASH_OF(ENGINE_PILE) *lh;\n\tif(*t) return 1;\n\tif(!create) return 0;\n\tif((lh = lh_ENGINE_PILE_new()) == NULL)\n\t\treturn 0;\n\t*t = (ENGINE_TABLE *)lh;\n\treturn 1;\n\t}', '_LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c)\n\t{\n\t_LHASH *ret;\n\tint i;\n\tif ((ret=OPENSSL_malloc(sizeof(_LHASH))) == NULL)\n\t\tgoto err0;\n\tif ((ret->b=OPENSSL_malloc(sizeof(LHASH_NODE *)*MIN_NODES)) == NULL)\n\t\tgoto err1;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->b[i]=NULL;\n\tret->comp=((c == NULL)?(LHASH_COMP_FN_TYPE)strcmp:c);\n\tret->hash=((h == NULL)?(LHASH_HASH_FN_TYPE)lh_strhash:h);\n\tret->num_nodes=MIN_NODES/2;\n\tret->num_alloc_nodes=MIN_NODES;\n\tret->p=0;\n\tret->pmax=MIN_NODES/2;\n\tret->up_load=UP_LOAD;\n\tret->down_load=DOWN_LOAD;\n\tret->num_items=0;\n\tret->num_expands=0;\n\tret->num_expand_reallocs=0;\n\tret->num_contracts=0;\n\tret->num_contract_reallocs=0;\n\tret->num_hash_calls=0;\n\tret->num_comp_calls=0;\n\tret->num_insert=0;\n\tret->num_replace=0;\n\tret->num_delete=0;\n\tret->num_no_delete=0;\n\tret->num_retrieve=0;\n\tret->num_retrieve_miss=0;\n\tret->num_hash_comps=0;\n\tret->error=0;\n\treturn(ret);\nerr1:\n\tOPENSSL_free(ret);\nerr0:\n\treturn(NULL);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)OPENSSL_malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n#ifndef\tOPENSSL_NO_KRB5\n\ts->kssl_ctx = kssl_ctx_new();\n#endif\n\ts->options=ctx->options;\n\ts->mode=ctx->mode;\n\ts->max_cert_list=ctx->max_cert_list;\n\tif (ctx->cert != NULL)\n\t\t{\n\t\ts->cert = ssl_cert_dup(ctx->cert);\n\t\tif (s->cert == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->read_ahead=ctx->read_ahead;\n\ts->msg_callback=ctx->msg_callback;\n\ts->msg_callback_arg=ctx->msg_callback_arg;\n\ts->verify_mode=ctx->verify_mode;\n\ts->not_resumable_session_cb=ctx->not_resumable_session_cb;\n#if 0\n\ts->verify_depth=ctx->verify_depth;\n#endif\n\ts->sid_ctx_length=ctx->sid_ctx_length;\n\tOPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);\n\tmemcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));\n\ts->verify_callback=ctx->default_verify_callback;\n\ts->generate_session_id=ctx->generate_session_id;\n\ts->param = X509_VERIFY_PARAM_new();\n\tif (!s->param)\n\t\tgoto err;\n\tX509_VERIFY_PARAM_inherit(s->param, ctx->param);\n#if 0\n\ts->purpose = ctx->purpose;\n\ts->trust = ctx->trust;\n#endif\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\ts->max_send_fragment = ctx->max_send_fragment;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n#ifndef OPENSSL_NO_TLSEXT\n\ts->tlsext_debug_cb = 0;\n\ts->tlsext_debug_arg = NULL;\n\ts->tlsext_ticket_expected = 0;\n\ts->tlsext_status_type = -1;\n\ts->tlsext_status_expected = 0;\n\ts->tlsext_ocsp_ids = NULL;\n\ts->tlsext_ocsp_exts = NULL;\n\ts->tlsext_ocsp_resp = NULL;\n\ts->tlsext_ocsp_resplen = -1;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->initial_ctx=ctx;\n# ifndef OPENSSL_NO_NEXTPROTONEG\n\ts->next_proto_negotiated = NULL;\n# endif\n#endif\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\tgoto err;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n#ifndef OPENSSL_NO_PSK\n\ts->psk_client_callback=ctx->psk_client_callback;\n\ts->psk_server_callback=ctx->psk_server_callback;\n#endif\n\treturn(s);\nerr:\n\tif (s != NULL)\n\t\t{\n\t\tif (s->cert != NULL)\n\t\t\tssl_cert_free(s->cert);\n\t\tif (s->ctx != NULL)\n\t\t\tSSL_CTX_free(s->ctx);\n\t\tOPENSSL_free(s);\n\t\t}\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'int SSL_clear(SSL *s)\n\t{\n\tif (s->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);\n\t\treturn(0);\n\t\t}\n\tif (ssl_clear_bad_session(s))\n\t\t{\n\t\tSSL_SESSION_free(s->session);\n\t\ts->session=NULL;\n\t\t}\n\ts->error=0;\n\ts->hit=0;\n\ts->shutdown=0;\n#if 0\n\tif (s->renegotiate) return(1);\n#else\n\tif (s->renegotiate)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);\n\t\treturn 0;\n\t\t}\n#endif\n\ts->type=0;\n\ts->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);\n\ts->version=s->method->version;\n\ts->client_version=s->version;\n\ts->rwstate=SSL_NOTHING;\n\ts->rstate=SSL_ST_READ_HEADER;\n#if 0\n\ts->read_ahead=s->ctx->read_ahead;\n#endif\n\tif (s->init_buf != NULL)\n\t\t{\n\t\tBUF_MEM_free(s->init_buf);\n\t\ts->init_buf=NULL;\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tssl_clear_hash_ctx(&s->read_hash);\n\tssl_clear_hash_ctx(&s->write_hash);\n\ts->first_packet=0;\n#if 1\n\tif (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))\n\t\t{\n\t\ts->method->ssl_free(s);\n\t\ts->method=s->ctx->method;\n\t\tif (!s->method->ssl_new(s))\n\t\t\treturn(0);\n\t\t}\n\telse\n#endif\n\t\ts->method->ssl_clear(s);\n\treturn(1);\n\t}', 'int ssl_clear_bad_session(SSL *s)\n\t{\n\tif (\t(s->session != NULL) &&\n\t\t!(s->shutdown & SSL_SENT_SHUTDOWN) &&\n\t\t!(SSL_in_init(s) || SSL_in_before(s)))\n\t\t{\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\treturn(1);\n\t\t}\n\telse\n\t\treturn(0);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tif ((r = lh_SSL_SESSION_retrieve(ctx->sessions,c)) == c)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tr=lh_SSL_SESSION_delete(ctx->sessions,c);\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(_LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tvoid *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn(ret);\n\t}'] |
16,674 | 0 | https://github.com/openssl/openssl/blob/e5991ec528b1c339062440811e2641f5ea2b328b/crypto/x509/x509_vfy.c/#L618 | static int check_chain_extensions(X509_STORE_CTX *ctx)
{
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;
} | ['static int check_chain_extensions(X509_STORE_CTX *ctx)\n{\n int i, ok = 0, must_be_ca, plen = 0;\n X509 *x;\n int (*cb) (int xok, X509_STORE_CTX *xctx);\n int proxy_path_length = 0;\n int purpose;\n int allow_proxy_certs;\n cb = ctx->verify_cb;\n must_be_ca = -1;\n if (ctx->parent) {\n allow_proxy_certs = 0;\n purpose = X509_PURPOSE_CRL_SIGN;\n } else {\n allow_proxy_certs =\n ! !(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);\n if (getenv("OPENSSL_ALLOW_PROXY_CERTS"))\n allow_proxy_certs = 1;\n purpose = ctx->param->purpose;\n }\n for (i = 0; i < ctx->last_untrusted; i++) {\n int ret;\n x = sk_X509_value(ctx->chain, i);\n if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)\n && (x->ex_flags & EXFLAG_CRITICAL)) {\n ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION;\n ctx->error_depth = i;\n ctx->current_cert = x;\n ok = cb(0, ctx);\n if (!ok)\n goto end;\n }\n if (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY)) {\n ctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED;\n ctx->error_depth = i;\n ctx->current_cert = x;\n ok = cb(0, ctx);\n if (!ok)\n goto end;\n }\n ret = X509_check_ca(x);\n switch (must_be_ca) {\n case -1:\n if ((ctx->param->flags & X509_V_FLAG_X509_STRICT)\n && (ret != 1) && (ret != 0)) {\n ret = 0;\n ctx->error = X509_V_ERR_INVALID_CA;\n } else\n ret = 1;\n break;\n case 0:\n if (ret != 0) {\n ret = 0;\n ctx->error = X509_V_ERR_INVALID_NON_CA;\n } else\n ret = 1;\n break;\n default:\n if ((ret == 0)\n || ((ctx->param->flags & X509_V_FLAG_X509_STRICT)\n && (ret != 1))) {\n ret = 0;\n ctx->error = X509_V_ERR_INVALID_CA;\n } else\n ret = 1;\n break;\n }\n if (ret == 0) {\n ctx->error_depth = i;\n ctx->current_cert = x;\n ok = cb(0, ctx);\n if (!ok)\n goto end;\n }\n if (ctx->param->purpose > 0) {\n ret = X509_check_purpose(x, purpose, must_be_ca > 0);\n if ((ret == 0)\n || ((ctx->param->flags & X509_V_FLAG_X509_STRICT)\n && (ret != 1))) {\n ctx->error = X509_V_ERR_INVALID_PURPOSE;\n ctx->error_depth = i;\n ctx->current_cert = x;\n ok = cb(0, ctx);\n if (!ok)\n goto end;\n }\n }\n if ((i > 1) && !(x->ex_flags & EXFLAG_SI)\n && (x->ex_pathlen != -1)\n && (plen > (x->ex_pathlen + proxy_path_length + 1))) {\n ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;\n ctx->error_depth = i;\n ctx->current_cert = x;\n ok = cb(0, ctx);\n if (!ok)\n goto end;\n }\n if (!(x->ex_flags & EXFLAG_SI))\n plen++;\n if (x->ex_flags & EXFLAG_PROXY) {\n if (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen) {\n ctx->error = X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED;\n ctx->error_depth = i;\n ctx->current_cert = x;\n ok = cb(0, ctx);\n if (!ok)\n goto end;\n }\n proxy_path_length++;\n must_be_ca = 0;\n } else\n must_be_ca = 1;\n }\n ok = 1;\n end:\n return ok;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n if (!st || (i < 0) || (i >= st->num))\n return NULL;\n return st->data[i];\n}'] |
16,675 | 0 | https://github.com/libav/libav/blob/47399ccdfd93d337c96c76fbf591f0e3637131ef/libavcodec/bitstream.h/#L245 | static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
{
if (n < bc->bits_left)
skip_remaining(bc, n);
else {
n -= bc->bits_left;
bc->bits = 0;
bc->bits_left = 0;
if (n >= 64) {
unsigned skip = n / 8;
n -= skip * 8;
bc->ptr += skip;
}
refill_64(bc);
if (n)
skip_remaining(bc, n);
}
} | ['static inline int get_ue_golomb(BitstreamContext *bc)\n{\n unsigned int buf;\n buf = bitstream_peek(bc, 32);\n if (buf >= (1 << 27)) {\n buf >>= 32 - 9;\n bitstream_skip(bc, ff_golomb_vlc_len[buf]);\n return ff_ue_golomb_vlc_code[buf];\n } else {\n int log = 2 * av_log2(buf) - 31;\n buf >>= log;\n buf--;\n bitstream_skip(bc, 32 - log);\n return buf;\n }\n}', 'static inline void bitstream_skip(BitstreamContext *bc, unsigned n)\n{\n if (n < bc->bits_left)\n skip_remaining(bc, n);\n else {\n n -= bc->bits_left;\n bc->bits = 0;\n bc->bits_left = 0;\n if (n >= 64) {\n unsigned skip = n / 8;\n n -= skip * 8;\n bc->ptr += skip;\n }\n refill_64(bc);\n if (n)\n skip_remaining(bc, n);\n }\n}'] |
16,676 | 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);
} | ['BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n BIGNUM *ret = in;\n int err = 1;\n int r;\n BIGNUM *A, *b, *q, *t, *x, *y;\n int e, i, j;\n if (!BN_is_odd(p) || BN_abs_is_word(p, 1)) {\n if (BN_abs_is_word(p, 2)) {\n if (ret == NULL)\n ret = BN_new();\n if (ret == NULL)\n goto end;\n if (!BN_set_word(ret, BN_is_bit_set(a, 0))) {\n if (ret != in)\n BN_free(ret);\n return NULL;\n }\n bn_check_top(ret);\n return ret;\n }\n BNerr(BN_F_BN_MOD_SQRT, BN_R_P_IS_NOT_PRIME);\n return (NULL);\n }\n if (BN_is_zero(a) || BN_is_one(a)) {\n if (ret == NULL)\n ret = BN_new();\n if (ret == NULL)\n goto end;\n if (!BN_set_word(ret, BN_is_one(a))) {\n if (ret != in)\n BN_free(ret);\n return NULL;\n }\n bn_check_top(ret);\n return ret;\n }\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n t = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto end;\n if (ret == NULL)\n ret = BN_new();\n if (ret == NULL)\n goto end;\n if (!BN_nnmod(A, a, p, ctx))\n goto end;\n e = 1;\n while (!BN_is_bit_set(p, e))\n e++;\n if (e == 1) {\n if (!BN_rshift(q, p, 2))\n goto end;\n q->neg = 0;\n if (!BN_add_word(q, 1))\n goto end;\n if (!BN_mod_exp(ret, A, q, p, ctx))\n goto end;\n err = 0;\n goto vrfy;\n }\n if (e == 2) {\n if (!BN_mod_lshift1_quick(t, A, p))\n goto end;\n if (!BN_rshift(q, p, 3))\n goto end;\n q->neg = 0;\n if (!BN_mod_exp(b, t, q, p, ctx))\n goto end;\n if (!BN_mod_sqr(y, b, p, ctx))\n goto end;\n if (!BN_mod_mul(t, t, y, p, ctx))\n goto end;\n if (!BN_sub_word(t, 1))\n goto end;\n if (!BN_mod_mul(x, A, b, p, ctx))\n goto end;\n if (!BN_mod_mul(x, x, t, p, ctx))\n goto end;\n if (!BN_copy(ret, x))\n goto end;\n err = 0;\n goto vrfy;\n }\n if (!BN_copy(q, p))\n goto end;\n q->neg = 0;\n i = 2;\n do {\n if (i < 22) {\n if (!BN_set_word(y, i))\n goto end;\n } else {\n if (!BN_pseudo_rand(y, BN_num_bits(p), 0, 0))\n goto end;\n if (BN_ucmp(y, p) >= 0) {\n if (!(p->neg ? BN_add : BN_sub) (y, y, p))\n goto end;\n }\n if (BN_is_zero(y))\n if (!BN_set_word(y, i))\n goto end;\n }\n r = BN_kronecker(y, q, ctx);\n if (r < -1)\n goto end;\n if (r == 0) {\n BNerr(BN_F_BN_MOD_SQRT, BN_R_P_IS_NOT_PRIME);\n goto end;\n }\n }\n while (r == 1 && ++i < 82);\n if (r != -1) {\n BNerr(BN_F_BN_MOD_SQRT, BN_R_TOO_MANY_ITERATIONS);\n goto end;\n }\n if (!BN_rshift(q, q, e))\n goto end;\n if (!BN_mod_exp(y, y, q, p, ctx))\n goto end;\n if (BN_is_one(y)) {\n BNerr(BN_F_BN_MOD_SQRT, BN_R_P_IS_NOT_PRIME);\n goto end;\n }\n if (!BN_rshift1(t, q))\n goto end;\n if (BN_is_zero(t)) {\n if (!BN_nnmod(t, A, p, ctx))\n goto end;\n if (BN_is_zero(t)) {\n BN_zero(ret);\n err = 0;\n goto end;\n } else if (!BN_one(x))\n goto end;\n } else {\n if (!BN_mod_exp(x, A, t, p, ctx))\n goto end;\n if (BN_is_zero(x)) {\n BN_zero(ret);\n err = 0;\n goto end;\n }\n }\n if (!BN_mod_sqr(b, x, p, ctx))\n goto end;\n if (!BN_mod_mul(b, b, A, p, ctx))\n goto end;\n if (!BN_mod_mul(x, x, A, p, ctx))\n goto end;\n while (1) {\n if (BN_is_one(b)) {\n if (!BN_copy(ret, x))\n goto end;\n err = 0;\n goto vrfy;\n }\n i = 1;\n if (!BN_mod_sqr(t, b, p, ctx))\n goto end;\n while (!BN_is_one(t)) {\n i++;\n if (i == e) {\n BNerr(BN_F_BN_MOD_SQRT, BN_R_NOT_A_SQUARE);\n goto end;\n }\n if (!BN_mod_mul(t, t, t, p, ctx))\n goto end;\n }\n if (!BN_copy(t, y))\n goto end;\n for (j = e - i - 1; j > 0; j--) {\n if (!BN_mod_sqr(t, t, p, ctx))\n goto end;\n }\n if (!BN_mod_mul(y, t, t, p, ctx))\n goto end;\n if (!BN_mod_mul(x, x, t, p, ctx))\n goto end;\n if (!BN_mod_mul(b, b, y, p, ctx))\n goto end;\n e = i;\n }\n vrfy:\n if (!err) {\n if (!BN_mod_sqr(x, ret, p, ctx))\n err = 1;\n if (!err && 0 != BN_cmp(x, A)) {\n BNerr(BN_F_BN_MOD_SQRT, BN_R_NOT_A_SQUARE);\n err = 1;\n }\n }\n end:\n if (err) {\n if (ret != in)\n BN_clear_free(ret);\n ret = NULL;\n }\n BN_CTX_end(ctx);\n bn_check_top(ret);\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 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}'] |
16,677 | 0 | https://github.com/openssl/openssl/blob/55442b8a5b719f54578083fae0fcc814b599cd84/crypto/bn/bn_lib.c/#L233 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int probable_prime_dh_safe(BIGNUM *p, int bits, const BIGNUM *padd,\n const BIGNUM *rem, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *t1, *qadd, *q;\n bits--;\n BN_CTX_start(ctx);\n t1 = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n qadd = BN_CTX_get(ctx);\n if (qadd == NULL)\n goto err;\n if (!BN_rshift1(qadd, padd))\n goto err;\n if (!BN_rand(q, bits, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD))\n goto err;\n if (!BN_mod(t1, q, qadd, ctx))\n goto err;\n if (!BN_sub(q, q, t1))\n goto err;\n if (rem == NULL) {\n if (!BN_add_word(q, 1))\n goto err;\n } else {\n if (!BN_rshift1(t1, rem))\n goto err;\n if (!BN_add(q, q, t1))\n goto err;\n }\n if (!BN_lshift1(p, q))\n goto err;\n if (!BN_add_word(p, 1))\n goto err;\n loop:\n for (i = 1; i < NUMPRIMES; i++) {\n BN_ULONG pmod = BN_mod_word(p, (BN_ULONG)primes[i]);\n BN_ULONG qmod = BN_mod_word(q, (BN_ULONG)primes[i]);\n if (pmod == (BN_ULONG)-1 || qmod == (BN_ULONG)-1)\n goto err;\n if (pmod == 0 || qmod == 0) {\n if (!BN_add(p, p, padd))\n goto err;\n if (!BN_add(q, q, qadd))\n goto err;\n goto loop;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(p);\n return ret;\n}', 'int BN_lshift1(BIGNUM *r, const BIGNUM *a)\n{\n register BN_ULONG *ap, *rp, t, c;\n int i;\n bn_check_top(r);\n bn_check_top(a);\n if (r != a) {\n r->neg = a->neg;\n if (bn_wexpand(r, a->top + 1) == NULL)\n return 0;\n r->top = a->top;\n } else {\n if (bn_wexpand(r, a->top + 1) == NULL)\n return 0;\n }\n ap = a->d;\n rp = r->d;\n c = 0;\n for (i = 0; i < a->top; i++) {\n t = *(ap++);\n *(rp++) = ((t << 1) | c) & BN_MASK2;\n c = (t & BN_TBIT) ? 1 : 0;\n }\n if (c) {\n *rp = 1;\n r->top++;\n }\n bn_check_top(r);\n return 1;\n}', 'int BN_add_word(BIGNUM *a, BN_ULONG w)\n{\n BN_ULONG l;\n int i;\n bn_check_top(a);\n w &= BN_MASK2;\n if (!w)\n return 1;\n if (BN_is_zero(a))\n return BN_set_word(a, w);\n if (a->neg) {\n a->neg = 0;\n i = BN_sub_word(a, w);\n if (!BN_is_zero(a))\n a->neg = !(a->neg);\n return i;\n }\n for (i = 0; w != 0 && i < a->top; i++) {\n a->d[i] = l = (a->d[i] + w) & BN_MASK2;\n w = (w > l) ? 1 : 0;\n }\n if (w && i == a->top) {\n if (bn_wexpand(a, a->top + 1) == NULL)\n return 0;\n a->top++;\n a->d[i] = w;\n }\n bn_check_top(a);\n return 1;\n}', 'BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w)\n{\n#ifndef BN_LLONG\n BN_ULONG ret = 0;\n#else\n BN_ULLONG ret = 0;\n#endif\n int i;\n if (w == 0)\n return (BN_ULONG)-1;\n#ifndef BN_LLONG\n if (w > ((BN_ULONG)1 << BN_BITS4)) {\n BIGNUM *tmp = BN_dup(a);\n if (tmp == NULL)\n return (BN_ULONG)-1;\n ret = BN_div_word(tmp, w);\n BN_free(tmp);\n return ret;\n }\n#endif\n bn_check_top(a);\n w &= BN_MASK2;\n for (i = a->top - 1; i >= 0; i--) {\n#ifndef BN_LLONG\n ret = ((ret << BN_BITS4) | ((a->d[i] >> BN_BITS4) & BN_MASK2l)) % w;\n ret = ((ret << BN_BITS4) | (a->d[i] & BN_MASK2l)) % w;\n#else\n ret = (BN_ULLONG) (((ret << (BN_ULLONG) BN_BITS2) | a->d[i]) %\n (BN_ULLONG) w);\n#endif\n }\n return (BN_ULONG)ret;\n}', 'int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int ret, r_neg, cmp_res;\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg == b->neg) {\n r_neg = a->neg;\n ret = BN_uadd(r, a, b);\n } else {\n cmp_res = BN_ucmp(a, b);\n if (cmp_res > 0) {\n r_neg = a->neg;\n ret = BN_usub(r, a, b);\n } else if (cmp_res < 0) {\n r_neg = b->neg;\n ret = BN_usub(r, b, a);\n } else {\n r_neg = 0;\n BN_zero(r);\n ret = 1;\n }\n }\n r->neg = r_neg;\n bn_check_top(r);\n return ret;\n}', 'int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n BN_ULONG t1, t2, borrow, *rp;\n const BN_ULONG *ap, *bp;\n bn_check_top(a);\n bn_check_top(b);\n max = a->top;\n min = b->top;\n dif = max - min;\n if (dif < 0) {\n BNerr(BN_F_BN_USUB, BN_R_ARG2_LT_ARG3);\n return 0;\n }\n if (bn_wexpand(r, max) == NULL)\n return 0;\n ap = a->d;\n bp = b->d;\n rp = r->d;\n borrow = bn_sub_words(rp, ap, bp, min);\n ap += min;\n rp += min;\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 - borrow) & BN_MASK2;\n *(rp++) = t2;\n borrow &= (t1 == 0);\n }\n while (max && *--rp == 0)\n max--;\n r->top = max;\n r->neg = 0;\n bn_pollute(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n 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}'] |
16,678 | 0 | https://github.com/nginx/nginx/blob/030a1f959c9c673258fe53f968fab04fc9214b86/src/http/modules/ngx_http_fastcgi_module.c/#L987 | static ngx_int_t
ngx_http_fastcgi_create_request(ngx_http_request_t *r)
{
off_t file_pos;
u_char ch, *pos, *lowcase_key;
size_t size, len, key_len, val_len, padding,
allocated;
ngx_uint_t i, n, next, hash, skip_empty, header_params;
ngx_buf_t *b;
ngx_chain_t *cl, *body;
ngx_list_part_t *part;
ngx_table_elt_t *header, **ignored;
ngx_http_upstream_t *u;
ngx_http_script_code_pt code;
ngx_http_script_engine_t e, le;
ngx_http_fastcgi_header_t *h;
ngx_http_fastcgi_params_t *params;
ngx_http_fastcgi_loc_conf_t *flcf;
ngx_http_script_len_code_pt lcode;
len = 0;
header_params = 0;
ignored = NULL;
u = r->upstream;
flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
#if (NGX_HTTP_CACHE)
params = u->cacheable ? &flcf->params_cache : &flcf->params;
#else
params = &flcf->params;
#endif
if (params->lengths) {
ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
ngx_http_script_flush_no_cacheable_variables(r, params->flushes);
le.flushed = 1;
le.ip = params->lengths->elts;
le.request = r;
while (*(uintptr_t *) le.ip) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
key_len = lcode(&le);
lcode = *(ngx_http_script_len_code_pt *) le.ip;
skip_empty = lcode(&le);
for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
}
le.ip += sizeof(uintptr_t);
if (skip_empty && val_len == 0) {
continue;
}
len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len;
}
}
if (flcf->upstream.pass_request_headers) {
allocated = 0;
lowcase_key = NULL;
if (params->number) {
n = 0;
part = &r->headers_in.headers.part;
while (part) {
n += part->nelts;
part = part->next;
}
ignored = ngx_palloc(r->pool, n * sizeof(void *));
if (ignored == NULL) {
return NGX_ERROR;
}
}
part = &r->headers_in.headers.part;
header = part->elts;
for (i = 0; ; i++) {
if (i >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
header = part->elts;
i = 0;
}
if (params->number) {
if (allocated < header[i].key.len) {
allocated = header[i].key.len + 16;
lowcase_key = ngx_pnalloc(r->pool, allocated);
if (lowcase_key == NULL) {
return NGX_ERROR;
}
}
hash = 0;
for (n = 0; n < header[i].key.len; n++) {
ch = header[i].key.data[n];
if (ch >= 'A' && ch <= 'Z') {
ch |= 0x20;
} else if (ch == '-') {
ch = '_';
}
hash = ngx_hash(hash, ch);
lowcase_key[n] = ch;
}
if (ngx_hash_find(¶ms->hash, hash, lowcase_key, n)) {
ignored[header_params++] = &header[i];
continue;
}
n += sizeof("HTTP_") - 1;
} else {
n = sizeof("HTTP_") - 1 + header[i].key.len;
}
len += ((n > 127) ? 4 : 1) + ((header[i].value.len > 127) ? 4 : 1)
+ n + header[i].value.len;
}
}
if (len > 65535) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
"fastcgi request record is too big: %uz", len);
return NGX_ERROR;
}
padding = 8 - len % 8;
padding = (padding == 8) ? 0 : padding;
size = sizeof(ngx_http_fastcgi_header_t)
+ sizeof(ngx_http_fastcgi_begin_request_t)
+ sizeof(ngx_http_fastcgi_header_t)
+ len + padding
+ sizeof(ngx_http_fastcgi_header_t)
+ sizeof(ngx_http_fastcgi_header_t);
b = ngx_create_temp_buf(r->pool, size);
if (b == NULL) {
return NGX_ERROR;
}
cl = ngx_alloc_chain_link(r->pool);
if (cl == NULL) {
return NGX_ERROR;
}
cl->buf = b;
ngx_http_fastcgi_request_start.br.flags =
flcf->keep_conn ? NGX_HTTP_FASTCGI_KEEP_CONN : 0;
ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start,
sizeof(ngx_http_fastcgi_request_start_t));
h = (ngx_http_fastcgi_header_t *)
(b->pos + sizeof(ngx_http_fastcgi_header_t)
+ sizeof(ngx_http_fastcgi_begin_request_t));
h->content_length_hi = (u_char) ((len >> 8) & 0xff);
h->content_length_lo = (u_char) (len & 0xff);
h->padding_length = (u_char) padding;
h->reserved = 0;
b->last = b->pos + sizeof(ngx_http_fastcgi_header_t)
+ sizeof(ngx_http_fastcgi_begin_request_t)
+ sizeof(ngx_http_fastcgi_header_t);
if (params->lengths) {
ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
e.ip = params->values->elts;
e.pos = b->last;
e.request = r;
e.flushed = 1;
le.ip = params->lengths->elts;
while (*(uintptr_t *) le.ip) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
key_len = (u_char) lcode(&le);
lcode = *(ngx_http_script_len_code_pt *) le.ip;
skip_empty = lcode(&le);
for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
}
le.ip += sizeof(uintptr_t);
if (skip_empty && val_len == 0) {
e.skip = 1;
while (*(uintptr_t *) e.ip) {
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) &e);
}
e.ip += sizeof(uintptr_t);
e.skip = 0;
continue;
}
*e.pos++ = (u_char) key_len;
if (val_len > 127) {
*e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80);
*e.pos++ = (u_char) ((val_len >> 16) & 0xff);
*e.pos++ = (u_char) ((val_len >> 8) & 0xff);
*e.pos++ = (u_char) (val_len & 0xff);
} else {
*e.pos++ = (u_char) val_len;
}
while (*(uintptr_t *) e.ip) {
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) &e);
}
e.ip += sizeof(uintptr_t);
ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"fastcgi param: \"%*s: %*s\"",
key_len, e.pos - (key_len + val_len),
val_len, e.pos - val_len);
}
b->last = e.pos;
}
if (flcf->upstream.pass_request_headers) {
part = &r->headers_in.headers.part;
header = part->elts;
for (i = 0; ; i++) {
if (i >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
header = part->elts;
i = 0;
}
for (n = 0; n < header_params; n++) {
if (&header[i] == ignored[n]) {
goto next;
}
}
key_len = sizeof("HTTP_") - 1 + header[i].key.len;
if (key_len > 127) {
*b->last++ = (u_char) (((key_len >> 24) & 0x7f) | 0x80);
*b->last++ = (u_char) ((key_len >> 16) & 0xff);
*b->last++ = (u_char) ((key_len >> 8) & 0xff);
*b->last++ = (u_char) (key_len & 0xff);
} else {
*b->last++ = (u_char) key_len;
}
val_len = header[i].value.len;
if (val_len > 127) {
*b->last++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80);
*b->last++ = (u_char) ((val_len >> 16) & 0xff);
*b->last++ = (u_char) ((val_len >> 8) & 0xff);
*b->last++ = (u_char) (val_len & 0xff);
} else {
*b->last++ = (u_char) val_len;
}
b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
for (n = 0; n < header[i].key.len; n++) {
ch = header[i].key.data[n];
if (ch >= 'a' && ch <= 'z') {
ch &= ~0x20;
} else if (ch == '-') {
ch = '_';
}
*b->last++ = ch;
}
b->last = ngx_copy(b->last, header[i].value.data, val_len);
ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"fastcgi param: \"%*s: %*s\"",
key_len, b->last - (key_len + val_len),
val_len, b->last - val_len);
next:
continue;
}
}
if (padding) {
ngx_memzero(b->last, padding);
b->last += padding;
}
h = (ngx_http_fastcgi_header_t *) b->last;
b->last += sizeof(ngx_http_fastcgi_header_t);
h->version = 1;
h->type = NGX_HTTP_FASTCGI_PARAMS;
h->request_id_hi = 0;
h->request_id_lo = 1;
h->content_length_hi = 0;
h->content_length_lo = 0;
h->padding_length = 0;
h->reserved = 0;
if (r->request_body_no_buffering) {
u->request_bufs = cl;
u->output.output_filter = ngx_http_fastcgi_body_output_filter;
u->output.filter_ctx = r;
} else if (flcf->upstream.pass_request_body) {
body = u->request_bufs;
u->request_bufs = cl;
#if (NGX_SUPPRESS_WARN)
file_pos = 0;
pos = NULL;
#endif
while (body) {
if (body->buf->in_file) {
file_pos = body->buf->file_pos;
} else {
pos = body->buf->pos;
}
next = 0;
do {
b = ngx_alloc_buf(r->pool);
if (b == NULL) {
return NGX_ERROR;
}
ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
if (body->buf->in_file) {
b->file_pos = file_pos;
file_pos += 32 * 1024;
if (file_pos >= body->buf->file_last) {
file_pos = body->buf->file_last;
next = 1;
}
b->file_last = file_pos;
len = (ngx_uint_t) (file_pos - b->file_pos);
} else {
b->pos = pos;
b->start = pos;
pos += 32 * 1024;
if (pos >= body->buf->last) {
pos = body->buf->last;
next = 1;
}
b->last = pos;
len = (ngx_uint_t) (pos - b->pos);
}
padding = 8 - len % 8;
padding = (padding == 8) ? 0 : padding;
h = (ngx_http_fastcgi_header_t *) cl->buf->last;
cl->buf->last += sizeof(ngx_http_fastcgi_header_t);
h->version = 1;
h->type = NGX_HTTP_FASTCGI_STDIN;
h->request_id_hi = 0;
h->request_id_lo = 1;
h->content_length_hi = (u_char) ((len >> 8) & 0xff);
h->content_length_lo = (u_char) (len & 0xff);
h->padding_length = (u_char) padding;
h->reserved = 0;
cl->next = ngx_alloc_chain_link(r->pool);
if (cl->next == NULL) {
return NGX_ERROR;
}
cl = cl->next;
cl->buf = b;
b = ngx_create_temp_buf(r->pool,
sizeof(ngx_http_fastcgi_header_t)
+ padding);
if (b == NULL) {
return NGX_ERROR;
}
if (padding) {
ngx_memzero(b->last, padding);
b->last += padding;
}
cl->next = ngx_alloc_chain_link(r->pool);
if (cl->next == NULL) {
return NGX_ERROR;
}
cl = cl->next;
cl->buf = b;
} while (!next);
body = body->next;
}
} else {
u->request_bufs = cl;
}
if (!r->request_body_no_buffering) {
h = (ngx_http_fastcgi_header_t *) cl->buf->last;
cl->buf->last += sizeof(ngx_http_fastcgi_header_t);
h->version = 1;
h->type = NGX_HTTP_FASTCGI_STDIN;
h->request_id_hi = 0;
h->request_id_lo = 1;
h->content_length_hi = 0;
h->content_length_lo = 0;
h->padding_length = 0;
h->reserved = 0;
}
cl->next = NULL;
return NGX_OK;
} | ['static ngx_int_t\nngx_http_fastcgi_create_request(ngx_http_request_t *r)\n{\n off_t file_pos;\n u_char ch, *pos, *lowcase_key;\n size_t size, len, key_len, val_len, padding,\n allocated;\n ngx_uint_t i, n, next, hash, skip_empty, header_params;\n ngx_buf_t *b;\n ngx_chain_t *cl, *body;\n ngx_list_part_t *part;\n ngx_table_elt_t *header, **ignored;\n ngx_http_upstream_t *u;\n ngx_http_script_code_pt code;\n ngx_http_script_engine_t e, le;\n ngx_http_fastcgi_header_t *h;\n ngx_http_fastcgi_params_t *params;\n ngx_http_fastcgi_loc_conf_t *flcf;\n ngx_http_script_len_code_pt lcode;\n len = 0;\n header_params = 0;\n ignored = NULL;\n u = r->upstream;\n flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);\n#if (NGX_HTTP_CACHE)\n params = u->cacheable ? &flcf->params_cache : &flcf->params;\n#else\n params = &flcf->params;\n#endif\n if (params->lengths) {\n ngx_memzero(&le, sizeof(ngx_http_script_engine_t));\n ngx_http_script_flush_no_cacheable_variables(r, params->flushes);\n le.flushed = 1;\n le.ip = params->lengths->elts;\n le.request = r;\n while (*(uintptr_t *) le.ip) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n key_len = lcode(&le);\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n skip_empty = lcode(&le);\n for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n }\n le.ip += sizeof(uintptr_t);\n if (skip_empty && val_len == 0) {\n continue;\n }\n len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len;\n }\n }\n if (flcf->upstream.pass_request_headers) {\n allocated = 0;\n lowcase_key = NULL;\n if (params->number) {\n n = 0;\n part = &r->headers_in.headers.part;\n while (part) {\n n += part->nelts;\n part = part->next;\n }\n ignored = ngx_palloc(r->pool, n * sizeof(void *));\n if (ignored == NULL) {\n return NGX_ERROR;\n }\n }\n part = &r->headers_in.headers.part;\n header = 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 header = part->elts;\n i = 0;\n }\n if (params->number) {\n if (allocated < header[i].key.len) {\n allocated = header[i].key.len + 16;\n lowcase_key = ngx_pnalloc(r->pool, allocated);\n if (lowcase_key == NULL) {\n return NGX_ERROR;\n }\n }\n hash = 0;\n for (n = 0; n < header[i].key.len; n++) {\n ch = header[i].key.data[n];\n if (ch >= \'A\' && ch <= \'Z\') {\n ch |= 0x20;\n } else if (ch == \'-\') {\n ch = \'_\';\n }\n hash = ngx_hash(hash, ch);\n lowcase_key[n] = ch;\n }\n if (ngx_hash_find(¶ms->hash, hash, lowcase_key, n)) {\n ignored[header_params++] = &header[i];\n continue;\n }\n n += sizeof("HTTP_") - 1;\n } else {\n n = sizeof("HTTP_") - 1 + header[i].key.len;\n }\n len += ((n > 127) ? 4 : 1) + ((header[i].value.len > 127) ? 4 : 1)\n + n + header[i].value.len;\n }\n }\n if (len > 65535) {\n ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,\n "fastcgi request record is too big: %uz", len);\n return NGX_ERROR;\n }\n padding = 8 - len % 8;\n padding = (padding == 8) ? 0 : padding;\n size = sizeof(ngx_http_fastcgi_header_t)\n + sizeof(ngx_http_fastcgi_begin_request_t)\n + sizeof(ngx_http_fastcgi_header_t)\n + len + padding\n + sizeof(ngx_http_fastcgi_header_t)\n + sizeof(ngx_http_fastcgi_header_t);\n b = ngx_create_temp_buf(r->pool, size);\n if (b == NULL) {\n return NGX_ERROR;\n }\n cl = ngx_alloc_chain_link(r->pool);\n if (cl == NULL) {\n return NGX_ERROR;\n }\n cl->buf = b;\n ngx_http_fastcgi_request_start.br.flags =\n flcf->keep_conn ? NGX_HTTP_FASTCGI_KEEP_CONN : 0;\n ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start,\n sizeof(ngx_http_fastcgi_request_start_t));\n h = (ngx_http_fastcgi_header_t *)\n (b->pos + sizeof(ngx_http_fastcgi_header_t)\n + sizeof(ngx_http_fastcgi_begin_request_t));\n h->content_length_hi = (u_char) ((len >> 8) & 0xff);\n h->content_length_lo = (u_char) (len & 0xff);\n h->padding_length = (u_char) padding;\n h->reserved = 0;\n b->last = b->pos + sizeof(ngx_http_fastcgi_header_t)\n + sizeof(ngx_http_fastcgi_begin_request_t)\n + sizeof(ngx_http_fastcgi_header_t);\n if (params->lengths) {\n ngx_memzero(&e, sizeof(ngx_http_script_engine_t));\n e.ip = params->values->elts;\n e.pos = b->last;\n e.request = r;\n e.flushed = 1;\n le.ip = params->lengths->elts;\n while (*(uintptr_t *) le.ip) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n key_len = (u_char) lcode(&le);\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n skip_empty = lcode(&le);\n for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n }\n le.ip += sizeof(uintptr_t);\n if (skip_empty && val_len == 0) {\n e.skip = 1;\n while (*(uintptr_t *) e.ip) {\n code = *(ngx_http_script_code_pt *) e.ip;\n code((ngx_http_script_engine_t *) &e);\n }\n e.ip += sizeof(uintptr_t);\n e.skip = 0;\n continue;\n }\n *e.pos++ = (u_char) key_len;\n if (val_len > 127) {\n *e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80);\n *e.pos++ = (u_char) ((val_len >> 16) & 0xff);\n *e.pos++ = (u_char) ((val_len >> 8) & 0xff);\n *e.pos++ = (u_char) (val_len & 0xff);\n } else {\n *e.pos++ = (u_char) val_len;\n }\n while (*(uintptr_t *) e.ip) {\n code = *(ngx_http_script_code_pt *) e.ip;\n code((ngx_http_script_engine_t *) &e);\n }\n e.ip += sizeof(uintptr_t);\n ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "fastcgi param: \\"%*s: %*s\\"",\n key_len, e.pos - (key_len + val_len),\n val_len, e.pos - val_len);\n }\n b->last = e.pos;\n }\n if (flcf->upstream.pass_request_headers) {\n part = &r->headers_in.headers.part;\n header = 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 header = part->elts;\n i = 0;\n }\n for (n = 0; n < header_params; n++) {\n if (&header[i] == ignored[n]) {\n goto next;\n }\n }\n key_len = sizeof("HTTP_") - 1 + header[i].key.len;\n if (key_len > 127) {\n *b->last++ = (u_char) (((key_len >> 24) & 0x7f) | 0x80);\n *b->last++ = (u_char) ((key_len >> 16) & 0xff);\n *b->last++ = (u_char) ((key_len >> 8) & 0xff);\n *b->last++ = (u_char) (key_len & 0xff);\n } else {\n *b->last++ = (u_char) key_len;\n }\n val_len = header[i].value.len;\n if (val_len > 127) {\n *b->last++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80);\n *b->last++ = (u_char) ((val_len >> 16) & 0xff);\n *b->last++ = (u_char) ((val_len >> 8) & 0xff);\n *b->last++ = (u_char) (val_len & 0xff);\n } else {\n *b->last++ = (u_char) val_len;\n }\n b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);\n for (n = 0; n < header[i].key.len; n++) {\n ch = header[i].key.data[n];\n if (ch >= \'a\' && ch <= \'z\') {\n ch &= ~0x20;\n } else if (ch == \'-\') {\n ch = \'_\';\n }\n *b->last++ = ch;\n }\n b->last = ngx_copy(b->last, header[i].value.data, val_len);\n ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "fastcgi param: \\"%*s: %*s\\"",\n key_len, b->last - (key_len + val_len),\n val_len, b->last - val_len);\n next:\n continue;\n }\n }\n if (padding) {\n ngx_memzero(b->last, padding);\n b->last += padding;\n }\n h = (ngx_http_fastcgi_header_t *) b->last;\n b->last += sizeof(ngx_http_fastcgi_header_t);\n h->version = 1;\n h->type = NGX_HTTP_FASTCGI_PARAMS;\n h->request_id_hi = 0;\n h->request_id_lo = 1;\n h->content_length_hi = 0;\n h->content_length_lo = 0;\n h->padding_length = 0;\n h->reserved = 0;\n if (r->request_body_no_buffering) {\n u->request_bufs = cl;\n u->output.output_filter = ngx_http_fastcgi_body_output_filter;\n u->output.filter_ctx = r;\n } else if (flcf->upstream.pass_request_body) {\n body = u->request_bufs;\n u->request_bufs = cl;\n#if (NGX_SUPPRESS_WARN)\n file_pos = 0;\n pos = NULL;\n#endif\n while (body) {\n if (body->buf->in_file) {\n file_pos = body->buf->file_pos;\n } else {\n pos = body->buf->pos;\n }\n next = 0;\n do {\n b = ngx_alloc_buf(r->pool);\n if (b == NULL) {\n return NGX_ERROR;\n }\n ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));\n if (body->buf->in_file) {\n b->file_pos = file_pos;\n file_pos += 32 * 1024;\n if (file_pos >= body->buf->file_last) {\n file_pos = body->buf->file_last;\n next = 1;\n }\n b->file_last = file_pos;\n len = (ngx_uint_t) (file_pos - b->file_pos);\n } else {\n b->pos = pos;\n b->start = pos;\n pos += 32 * 1024;\n if (pos >= body->buf->last) {\n pos = body->buf->last;\n next = 1;\n }\n b->last = pos;\n len = (ngx_uint_t) (pos - b->pos);\n }\n padding = 8 - len % 8;\n padding = (padding == 8) ? 0 : padding;\n h = (ngx_http_fastcgi_header_t *) cl->buf->last;\n cl->buf->last += sizeof(ngx_http_fastcgi_header_t);\n h->version = 1;\n h->type = NGX_HTTP_FASTCGI_STDIN;\n h->request_id_hi = 0;\n h->request_id_lo = 1;\n h->content_length_hi = (u_char) ((len >> 8) & 0xff);\n h->content_length_lo = (u_char) (len & 0xff);\n h->padding_length = (u_char) padding;\n h->reserved = 0;\n cl->next = ngx_alloc_chain_link(r->pool);\n if (cl->next == NULL) {\n return NGX_ERROR;\n }\n cl = cl->next;\n cl->buf = b;\n b = ngx_create_temp_buf(r->pool,\n sizeof(ngx_http_fastcgi_header_t)\n + padding);\n if (b == NULL) {\n return NGX_ERROR;\n }\n if (padding) {\n ngx_memzero(b->last, padding);\n b->last += padding;\n }\n cl->next = ngx_alloc_chain_link(r->pool);\n if (cl->next == NULL) {\n return NGX_ERROR;\n }\n cl = cl->next;\n cl->buf = b;\n } while (!next);\n body = body->next;\n }\n } else {\n u->request_bufs = cl;\n }\n if (!r->request_body_no_buffering) {\n h = (ngx_http_fastcgi_header_t *) cl->buf->last;\n cl->buf->last += sizeof(ngx_http_fastcgi_header_t);\n h->version = 1;\n h->type = NGX_HTTP_FASTCGI_STDIN;\n h->request_id_hi = 0;\n h->request_id_lo = 1;\n h->content_length_hi = 0;\n h->content_length_lo = 0;\n h->padding_length = 0;\n h->reserved = 0;\n }\n cl->next = NULL;\n return NGX_OK;\n}', 'ngx_buf_t *\nngx_create_temp_buf(ngx_pool_t *pool, size_t size)\n{\n ngx_buf_t *b;\n b = ngx_calloc_buf(pool);\n if (b == NULL) {\n return NULL;\n }\n b->start = ngx_palloc(pool, size);\n if (b->start == NULL) {\n return NULL;\n }\n b->pos = b->start;\n b->last = b->start;\n b->end = b->last + size;\n b->temporary = 1;\n return b;\n}', 'void *\nngx_palloc(ngx_pool_t *pool, size_t size)\n{\n#if !(NGX_DEBUG_PALLOC)\n if (size <= pool->max) {\n return ngx_palloc_small(pool, size, 1);\n }\n#endif\n return ngx_palloc_large(pool, size);\n}', 'static ngx_inline void *\nngx_palloc_small(ngx_pool_t *pool, size_t size, ngx_uint_t align)\n{\n u_char *m;\n ngx_pool_t *p;\n p = pool->current;\n do {\n m = p->d.last;\n if (align) {\n m = ngx_align_ptr(m, NGX_ALIGNMENT);\n }\n if ((size_t) (p->d.end - m) >= size) {\n p->d.last = m + size;\n return m;\n }\n p = p->d.next;\n } while (p);\n return ngx_palloc_block(pool, size);\n}'] |
16,679 | 0 | https://github.com/openssl/openssl/blob/949ce10e8855f660971debe1b7b5842a84554006/crypto/mem_clr.c/#L68 | void OPENSSL_cleanse(void *ptr, size_t len)
{
unsigned char *p = ptr;
size_t loop = len, ctr = cleanse_ctr;
while(loop--)
{
*(p++) = (unsigned char)ctr;
ctr += (17 + ((size_t)p & 0xF));
}
p=memchr(ptr, (unsigned char)ctr, len);
if(p)
ctr += (63 + (size_t)p);
cleanse_ctr = (unsigned char)ctr;
} | ['int ssl3_setup_key_block(SSL *s)\n\t{\n\tunsigned char *p;\n\tconst EVP_CIPHER *c;\n\tconst EVP_MD *hash;\n\tint num;\n\tint ret = 0;\n\tSSL_COMP *comp;\n\tif (s->s3->tmp.key_block_length != 0)\n\t\treturn(1);\n\tif (!ssl_cipher_get_evp(s->session,&c,&hash,NULL,NULL,&comp))\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);\n\t\treturn(0);\n\t\t}\n\ts->s3->tmp.new_sym_enc=c;\n\ts->s3->tmp.new_hash=hash;\n#ifdef OPENSSL_NO_COMP\n\ts->s3->tmp.new_compression=NULL;\n#else\n\ts->s3->tmp.new_compression=comp;\n#endif\n\tnum=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);\n\tnum*=2;\n\tssl3_cleanup_key_block(s);\n\tif ((p=OPENSSL_malloc(num)) == NULL)\n\t\tgoto err;\n\ts->s3->tmp.key_block_length=num;\n\ts->s3->tmp.key_block=p;\n\tret = ssl3_generate_key_block(s,p,num);\n\tif (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))\n\t\t{\n\t\ts->s3->need_empty_fragments = 1;\n\t\tif (s->session->cipher != NULL)\n\t\t\t{\n\t\t\tif (s->session->cipher->algorithm_enc == SSL_eNULL)\n\t\t\t\ts->s3->need_empty_fragments = 0;\n#ifndef OPENSSL_NO_RC4\n\t\t\tif (s->session->cipher->algorithm_enc == SSL_RC4)\n\t\t\t\ts->s3->need_empty_fragments = 0;\n#endif\n\t\t\t}\n\t\t}\n\treturn ret;\nerr:\n\tSSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);\n\treturn(0);\n\t}', 'void ssl3_cleanup_key_block(SSL *s)\n\t{\n\tif (s->s3->tmp.key_block != NULL)\n\t\t{\n\t\tOPENSSL_cleanse(s->s3->tmp.key_block,\n\t\t\ts->s3->tmp.key_block_length);\n\t\tOPENSSL_free(s->s3->tmp.key_block);\n\t\ts->s3->tmp.key_block=NULL;\n\t\t}\n\ts->s3->tmp.key_block_length=0;\n\t}', 'void OPENSSL_cleanse(void *ptr, size_t len)\n\t{\n\tunsigned char *p = ptr;\n\tsize_t loop = len, ctr = cleanse_ctr;\n\twhile(loop--)\n\t\t{\n\t\t*(p++) = (unsigned char)ctr;\n\t\tctr += (17 + ((size_t)p & 0xF));\n\t\t}\n\tp=memchr(ptr, (unsigned char)ctr, len);\n\tif(p)\n\t\tctr += (63 + (size_t)p);\n\tcleanse_ctr = (unsigned char)ctr;\n\t}'] |
16,680 | 0 | https://github.com/openssl/openssl/blob/aef838fc957afefc4d49a360f1ab77b14595f27c/apps/ca.c/#L2141 | static int do_revoke(X509 *x509, TXT_DB *db)
{
ASN1_UTCTIME *tm=NULL;
char *row[DB_NUMBER],**rrow,**irow;
int ok=-1,i;
for (i=0; i<DB_NUMBER; i++)
row[i]=NULL;
row[DB_name]=X509_NAME_oneline(x509->cert_info->subject,NULL,0);
row[DB_serial]=BN_bn2hex(ASN1_INTEGER_to_BN(x509->cert_info->serialNumber,NULL));
if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
{
BIO_printf(bio_err,"Malloc failure\n");
goto err;
}
rrow=TXT_DB_get_by_index(db,DB_name,row);
if (rrow == NULL)
{
BIO_printf(bio_err,"Adding Entry to DB for %s\n", row[DB_name]);
row[DB_type]=(char *)Malloc(2);
tm=X509_get_notAfter(x509);
row[DB_exp_date]=(char *)Malloc(tm->length+1);
memcpy(row[DB_exp_date],tm->data,tm->length);
row[DB_exp_date][tm->length]='\0';
row[DB_rev_date]=NULL;
row[DB_file]=(char *)Malloc(8);
if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
(row[DB_file] == NULL))
{
BIO_printf(bio_err,"Malloc failure\n");
goto err;
}
strcpy(row[DB_file],"unknown");
row[DB_type][0]='V';
row[DB_type][1]='\0';
if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
{
BIO_printf(bio_err,"Malloc failure\n");
goto err;
}
for (i=0; i<DB_NUMBER; i++)
{
irow[i]=row[i];
row[i]=NULL;
}
irow[DB_NUMBER]=NULL;
if (!TXT_DB_insert(db,irow))
{
BIO_printf(bio_err,"failed to update database\n");
BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
goto err;
}
do_revoke(x509,db);
ok=1;
goto err;
}
else if (index_serial_cmp(row,rrow))
{
BIO_printf(bio_err,"ERROR:no same serial number %s\n",
row[DB_serial]);
goto err;
}
else if (rrow[DB_type][0]=='R')
{
BIO_printf(bio_err,"ERROR:Already revoked, serial number %s\n",
row[DB_serial]);
goto err;
}
else
{
BIO_printf(bio_err,"Revoking Certificate %s.\n", rrow[DB_serial]);
tm=X509_gmtime_adj(tm,0);
rrow[DB_type][0]='R';
rrow[DB_type][1]='\0';
rrow[DB_rev_date]=(char *)Malloc(tm->length+1);
memcpy(rrow[DB_rev_date],tm->data,tm->length);
rrow[DB_rev_date][tm->length]='\0';
}
ok=1;
err:
for (i=0; i<DB_NUMBER; i++)
{
if (row[i] != NULL)
Free(row[i]);
}
ASN1_UTCTIME_free(tm);
return(ok);
} | ['static int do_revoke(X509 *x509, TXT_DB *db)\n{\n\tASN1_UTCTIME *tm=NULL;\n\tchar *row[DB_NUMBER],**rrow,**irow;\n\tint ok=-1,i;\n\tfor (i=0; i<DB_NUMBER; i++)\n\t\trow[i]=NULL;\n\trow[DB_name]=X509_NAME_oneline(x509->cert_info->subject,NULL,0);\n\trow[DB_serial]=BN_bn2hex(ASN1_INTEGER_to_BN(x509->cert_info->serialNumber,NULL));\n\tif ((row[DB_name] == NULL) || (row[DB_serial] == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\tgoto err;\n\t\t}\n\trrow=TXT_DB_get_by_index(db,DB_name,row);\n\tif (rrow == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"Adding Entry to DB for %s\\n", row[DB_name]);\n\t\trow[DB_type]=(char *)Malloc(2);\n\t\ttm=X509_get_notAfter(x509);\n\t\trow[DB_exp_date]=(char *)Malloc(tm->length+1);\n\t\tmemcpy(row[DB_exp_date],tm->data,tm->length);\n\t\trow[DB_exp_date][tm->length]=\'\\0\';\n\t\trow[DB_rev_date]=NULL;\n\t\trow[DB_file]=(char *)Malloc(8);\n\t\tif ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||\n\t\t\t(row[DB_file] == NULL))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tstrcpy(row[DB_file],"unknown");\n\t\trow[DB_type][0]=\'V\';\n\t\trow[DB_type][1]=\'\\0\';\n\t\tif ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tfor (i=0; i<DB_NUMBER; i++)\n\t\t\t{\n\t\t\tirow[i]=row[i];\n\t\t\trow[i]=NULL;\n\t\t\t}\n\t\tirow[DB_NUMBER]=NULL;\n\t\tif (!TXT_DB_insert(db,irow))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"failed to update database\\n");\n\t\t\tBIO_printf(bio_err,"TXT_DB error number %ld\\n",db->error);\n\t\t\tgoto err;\n\t\t\t}\n\t\tdo_revoke(x509,db);\n\t\tok=1;\n\t\tgoto err;\n\t\t}\n\telse if (index_serial_cmp(row,rrow))\n\t\t{\n\t\tBIO_printf(bio_err,"ERROR:no same serial number %s\\n",\n\t\t\t row[DB_serial]);\n\t\tgoto err;\n\t\t}\n\telse if (rrow[DB_type][0]==\'R\')\n\t\t{\n\t\tBIO_printf(bio_err,"ERROR:Already revoked, serial number %s\\n",\n\t\t\t row[DB_serial]);\n\t\tgoto err;\n\t\t}\n\telse\n\t\t{\n\t\tBIO_printf(bio_err,"Revoking Certificate %s.\\n", rrow[DB_serial]);\n\t\ttm=X509_gmtime_adj(tm,0);\n\t\trrow[DB_type][0]=\'R\';\n\t\trrow[DB_type][1]=\'\\0\';\n\t\trrow[DB_rev_date]=(char *)Malloc(tm->length+1);\n\t\tmemcpy(rrow[DB_rev_date],tm->data,tm->length);\n\t\trrow[DB_rev_date][tm->length]=\'\\0\';\n\t\t}\n\tok=1;\nerr:\n\tfor (i=0; i<DB_NUMBER; i++)\n\t\t{\n\t\tif (row[i] != NULL)\n\t\t\tFree(row[i]);\n\t\t}\n\tASN1_UTCTIME_free(tm);\n\treturn(ok);\n}', 'char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)\n\t{\n\tX509_NAME_ENTRY *ne;\nint i;\n\tint n,lold,l,l1,l2,num,j,type;\n\tconst char *s;\n\tchar *p;\n\tunsigned char *q;\n\tBUF_MEM *b=NULL;\n\tstatic char hex[17]="0123456789ABCDEF";\n\tint gs_doit[4];\n\tchar tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n\tchar ebcdic_buf[1024];\n#endif\n\tif (buf == NULL)\n\t\t{\n\t\tif ((b=BUF_MEM_new()) == NULL) goto err;\n\t\tif (!BUF_MEM_grow(b,200)) goto err;\n\t\tb->data[0]=\'\\0\';\n\t\tlen=200;\n\t\t}\n\tif (a == NULL)\n\t {\n\t if(b)\n\t\t{\n\t\tbuf=b->data;\n\t\tFree(b);\n\t\t}\n\t strncpy(buf,"NO X509_NAME",len);\n\t return buf;\n\t }\n\tlen--;\n\tl=0;\n\tfor (i=0; i<sk_X509_NAME_ENTRY_num(a->entries); i++)\n\t\t{\n\t\tne=sk_X509_NAME_ENTRY_value(a->entries,i);\n\t\tn=OBJ_obj2nid(ne->object);\n\t\tif ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))\n\t\t\t{\n\t\t\ti2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);\n\t\t\ts=tmp_buf;\n\t\t\t}\n\t\tl1=strlen(s);\n\t\ttype=ne->value->type;\n\t\tnum=ne->value->length;\n\t\tq=ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n\t\t type == V_ASN1_VISIBLESTRING ||\n\t\t type == V_ASN1_PRINTABLESTRING ||\n\t\t type == V_ASN1_TELETEXSTRING ||\n\t\t type == V_ASN1_VISIBLESTRING ||\n\t\t type == V_ASN1_IA5STRING) {\n ascii2ebcdic(ebcdic_buf, q,\n\t\t\t\t (num > sizeof ebcdic_buf)\n\t\t\t\t ? sizeof ebcdic_buf : num);\n q=ebcdic_buf;\n\t\t}\n#endif\n\t\tif ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))\n\t\t\t{\n\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;\n\t\t\tfor (j=0; j<num; j++)\n\t\t\t\tif (q[j] != 0) gs_doit[j&3]=1;\n\t\t\tif (gs_doit[0]|gs_doit[1]|gs_doit[2])\n\t\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=0;\n\t\t\t\tgs_doit[3]=1;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;\n\t\tfor (l2=j=0; j<num; j++)\n\t\t\t{\n\t\t\tif (!gs_doit[j&3]) continue;\n\t\t\tl2++;\n#ifndef CHARSET_EBCDIC\n\t\t\tif ((q[j] < \' \') || (q[j] > \'~\')) l2+=3;\n#else\n\t\t\tif ((os_toascii[q[j]] < os_toascii[\' \']) ||\n\t\t\t (os_toascii[q[j]] > os_toascii[\'~\'])) l2+=3;\n#endif\n\t\t\t}\n\t\tlold=l;\n\t\tl+=1+l1+1+l2;\n\t\tif (b != NULL)\n\t\t\t{\n\t\t\tif (!BUF_MEM_grow(b,l+1)) goto err;\n\t\t\tp= &(b->data[lold]);\n\t\t\t}\n\t\telse if (l > len)\n\t\t\t{\n\t\t\tbreak;\n\t\t\t}\n\t\telse\n\t\t\tp= &(buf[lold]);\n\t\t*(p++)=\'/\';\n\t\tmemcpy(p,s,(unsigned int)l1); p+=l1;\n\t\t*(p++)=\'=\';\n#ifndef CHARSET_EBCDIC\n\t\tq=ne->value->data;\n#endif\n\t\tfor (j=0; j<num; j++)\n\t\t\t{\n\t\t\tif (!gs_doit[j&3]) continue;\n#ifndef CHARSET_EBCDIC\n\t\t\tn=q[j];\n\t\t\tif ((n < \' \') || (n > \'~\'))\n\t\t\t\t{\n\t\t\t\t*(p++)=\'\\\\\';\n\t\t\t\t*(p++)=\'x\';\n\t\t\t\t*(p++)=hex[(n>>4)&0x0f];\n\t\t\t\t*(p++)=hex[n&0x0f];\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t*(p++)=n;\n#else\n\t\t\tn=os_toascii[q[j]];\n\t\t\tif ((n < os_toascii[\' \']) ||\n\t\t\t (n > os_toascii[\'~\']))\n\t\t\t\t{\n\t\t\t\t*(p++)=\'\\\\\';\n\t\t\t\t*(p++)=\'x\';\n\t\t\t\t*(p++)=hex[(n>>4)&0x0f];\n\t\t\t\t*(p++)=hex[n&0x0f];\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t*(p++)=q[j];\n#endif\n\t\t\t}\n\t\t*p=\'\\0\';\n\t\t}\n\tif (b != NULL)\n\t\t{\n\t\tp=b->data;\n\t\tFree(b);\n\t\t}\n\telse\n\t\tp=buf;\n\treturn(p);\nerr:\n\tX509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);\n\tif (b != NULL) BUF_MEM_free(b);\n\treturn(NULL);\n\t}'] |
16,681 | 0 | https://github.com/openssl/openssl/blob/02703c74a4c10f3848cdd5e7ff5196ab45c7e67e/engines/e_4758cca.c/#L552 | static EVP_PKEY *ibm_4758_load_pubkey(ENGINE* e, const char* key_id,
UI_METHOD *ui_method, void *callback_data)
{
RSA *rtmp = NULL;
EVP_PKEY *res = NULL;
unsigned char* keyToken = NULL;
long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
long returnCode;
long reasonCode;
long exitDataLength = 0;
long ruleArrayLength = 0;
unsigned char exitData[8];
unsigned char ruleArray[8];
unsigned char keyLabel[64];
unsigned long keyLabelLength = strlen(key_id);
unsigned char modulus[512];
long modulusFieldLength = sizeof(modulus);
long modulusLength = 0;
unsigned char exponent[512];
long exponentLength = sizeof(exponent);
if (keyLabelLength > sizeof(keyLabel))
{
CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
return NULL;
}
memset(keyLabel,' ', sizeof(keyLabel));
memcpy(keyLabel, key_id, keyLabelLength);
keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
if (!keyToken)
{
CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
ERR_R_MALLOC_FAILURE);
goto err;
}
keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
&ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
keyToken+sizeof(long));
if (returnCode)
{
CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
ERR_R_MALLOC_FAILURE);
goto err;
}
if (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength,
exponent, &modulusLength, &modulusFieldLength, modulus))
{
CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
goto err;
}
(*(long*)keyToken) = keyTokenLength;
rtmp = RSA_new_method(e);
RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
rtmp->flags |= RSA_FLAG_EXT_PKEY;
res = EVP_PKEY_new();
EVP_PKEY_assign_RSA(res, rtmp);
return res;
err:
if (keyToken)
OPENSSL_free(keyToken);
if (res)
EVP_PKEY_free(res);
if (rtmp)
RSA_free(rtmp);
return NULL;
} | ["static EVP_PKEY *ibm_4758_load_pubkey(ENGINE* e, const char* key_id,\n\t\t\tUI_METHOD *ui_method, void *callback_data)\n\t{\n\tRSA *rtmp = NULL;\n\tEVP_PKEY *res = NULL;\n\tunsigned char* keyToken = NULL;\n\tlong keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;\n\tlong returnCode;\n\tlong reasonCode;\n\tlong exitDataLength = 0;\n\tlong ruleArrayLength = 0;\n\tunsigned char exitData[8];\n\tunsigned char ruleArray[8];\n\tunsigned char keyLabel[64];\n\tunsigned long keyLabelLength = strlen(key_id);\n\tunsigned char modulus[512];\n\tlong modulusFieldLength = sizeof(modulus);\n\tlong modulusLength = 0;\n\tunsigned char exponent[512];\n\tlong exponentLength = sizeof(exponent);\n\tif (keyLabelLength > sizeof(keyLabel))\n\t\t{\n\t\tCCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,\n\t\t\tCCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);\n\t\treturn NULL;\n\t\t}\n\tmemset(keyLabel,' ', sizeof(keyLabel));\n\tmemcpy(keyLabel, key_id, keyLabelLength);\n\tkeyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));\n\tif (!keyToken)\n\t\t{\n\t\tCCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,\n\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\tkeyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,\n\t\t&ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,\n\t\tkeyToken+sizeof(long));\n\tif (returnCode)\n\t\t{\n\t\tCCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,\n\t\t\t\tERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\tif (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength,\n\t\t\texponent, &modulusLength, &modulusFieldLength, modulus))\n\t\t{\n\t\tCCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,\n\t\t\tCCA4758_R_FAILED_LOADING_PUBLIC_KEY);\n\t\tgoto err;\n\t\t}\n\t(*(long*)keyToken) = keyTokenLength;\n\trtmp = RSA_new_method(e);\n\tRSA_set_ex_data(rtmp, hndidx, (char *)keyToken);\n\trtmp->e = BN_bin2bn(exponent, exponentLength, NULL);\n\trtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);\n\trtmp->flags |= RSA_FLAG_EXT_PKEY;\n\tres = EVP_PKEY_new();\n\tEVP_PKEY_assign_RSA(res, rtmp);\n\treturn res;\nerr:\n\tif (keyToken)\n\t\tOPENSSL_free(keyToken);\n\tif (res)\n\t\tEVP_PKEY_free(res);\n\tif (rtmp)\n\t\tRSA_free(rtmp);\n\treturn NULL;\n\t}", 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'static int getModulusAndExponent(const unsigned char*token, long *exponentLength,\n\t\tunsigned char *exponent, long *modulusLength, long *modulusFieldLength,\n\t\tunsigned char *modulus)\n\t{\n\tunsigned long len;\n\tif (*token++ != (char)0x1E)\n\t\treturn 0;\n\tif (*token++)\n\t\treturn 0;\n\tlen = *token++;\n\tlen = len << 8;\n\tlen |= (unsigned char)*token++;\n\ttoken += 4;\n\tif (*token++ == (char)0x04)\n\t\t{\n\t\tif (*token++)\n\t\t\treturn 0;\n\t\tlen = *token++;\n\t\tlen = len << 8;\n\t\tlen |= (unsigned char)*token++;\n\t\ttoken+=2;\n\t\tlen = *token++;\n\t\tlen = len << 8;\n\t\tlen |= (unsigned char)*token++;\n\t\t*exponentLength = len;\n\t\tlen = *token++;\n\t\tlen = len << 8;\n\t\tlen |= (unsigned char)*token++;\n\t\t*modulusLength = len;\n\t\tlen = *token++;\n\t\tlen = len << 8;\n\t\tlen |= (unsigned char)*token++;\n\t\t*modulusFieldLength = len;\n\t\tmemcpy(exponent, token, *exponentLength);\n\t\ttoken+= *exponentLength;\n\t\tmemcpy(modulus, token, *modulusFieldLength);\n\t\treturn 1;\n\t\t}\n\treturn 0;\n\t}', 'RSA *RSA_new_method(ENGINE *engine)\n\t{\n\tRSA *ret;\n\tret=(RSA *)OPENSSL_malloc(sizeof(RSA));\n\tif (ret == NULL)\n\t\t{\n\t\tRSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t\t}\n\tret->meth = RSA_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n\tif (engine)\n\t\t{\n\t\tif (!ENGINE_init(engine))\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret->engine = engine;\n\t\t}\n\telse\n\t\tret->engine = ENGINE_get_default_RSA();\n\tif(ret->engine)\n\t\t{\n\t\tret->meth = ENGINE_get_RSA(ret->engine);\n\t\tif(!ret->meth)\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD,\n\t\t\t\tERR_R_ENGINE_LIB);\n\t\t\tENGINE_finish(ret->engine);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n#endif\n\tret->pad=0;\n\tret->version=0;\n\tret->n=NULL;\n\tret->e=NULL;\n\tret->d=NULL;\n\tret->p=NULL;\n\tret->q=NULL;\n\tret->dmp1=NULL;\n\tret->dmq1=NULL;\n\tret->iqmp=NULL;\n\tret->references=1;\n\tret->_method_mod_n=NULL;\n\tret->_method_mod_p=NULL;\n\tret->_method_mod_q=NULL;\n\tret->blinding=NULL;\n\tret->mt_blinding=NULL;\n\tret->bignum_data=NULL;\n\tret->flags=ret->meth->flags;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\tif ((ret->meth->init != NULL) && !ret->meth->init(ret))\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (ret->engine)\n\t\t\tENGINE_finish(ret->engine);\n#endif\n\t\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}'] |
16,682 | 0 | https://github.com/libav/libav/blob/1efa772e20be5869817b2370a557bb14e7ce2fff/libavformat/rtpdec_asf.c/#L116 | int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
{
int ret = 0;
if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {
AVIOContext pb;
RTSPState *rt = s->priv_data;
int len = strlen(p) * 6 / 8;
char *buf = av_mallocz(len);
av_base64_decode(buf, p, len);
if (rtp_asf_fix_header(buf, len) < 0)
av_log(s, AV_LOG_ERROR,
"Failed to fix invalid RTSP-MS/ASF min_pktsize\n");
init_packetizer(&pb, buf, len);
if (rt->asf_ctx) {
av_close_input_stream(rt->asf_ctx);
rt->asf_ctx = NULL;
}
ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &ff_asf_demuxer, NULL);
if (ret < 0)
return ret;
av_metadata_copy(&s->metadata, rt->asf_ctx->metadata, 0);
rt->asf_pb_pos = url_ftell(&pb);
av_free(buf);
rt->asf_ctx->pb = NULL;
}
return ret;
} | ['int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)\n{\n int ret = 0;\n if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {\n AVIOContext pb;\n RTSPState *rt = s->priv_data;\n int len = strlen(p) * 6 / 8;\n char *buf = av_mallocz(len);\n av_base64_decode(buf, p, len);\n if (rtp_asf_fix_header(buf, len) < 0)\n av_log(s, AV_LOG_ERROR,\n "Failed to fix invalid RTSP-MS/ASF min_pktsize\\n");\n init_packetizer(&pb, buf, len);\n if (rt->asf_ctx) {\n av_close_input_stream(rt->asf_ctx);\n rt->asf_ctx = NULL;\n }\n ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &ff_asf_demuxer, NULL);\n if (ret < 0)\n return ret;\n av_metadata_copy(&s->metadata, rt->asf_ctx->metadata, 0);\n rt->asf_pb_pos = url_ftell(&pb);\n av_free(buf);\n rt->asf_ctx->pb = NULL;\n }\n return ret;\n}', 'void *av_mallocz(FF_INTERNAL_MEM_TYPE size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\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}', 'static void init_packetizer(AVIOContext *pb, uint8_t *buf, int len)\n{\n ffio_init_context(pb, buf, len, 0, NULL, packetizer_read, NULL, NULL);\n pb->pos = len;\n pb->buf_end = buf + len;\n}', 'int ffio_init_context(AVIOContext *s,\n unsigned char *buffer,\n int buffer_size,\n int write_flag,\n void *opaque,\n int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),\n int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),\n int64_t (*seek)(void *opaque, int64_t offset, int whence))\n{\n s->buffer = buffer;\n s->buffer_size = buffer_size;\n s->buf_ptr = buffer;\n s->opaque = opaque;\n url_resetbuf(s, write_flag ? URL_WRONLY : URL_RDONLY);\n s->write_packet = write_packet;\n s->read_packet = read_packet;\n s->seek = seek;\n s->pos = 0;\n s->must_flush = 0;\n s->eof_reached = 0;\n s->error = 0;\n s->is_streamed = 0;\n s->max_packet_size = 0;\n s->update_checksum= NULL;\n if(!read_packet && !write_flag){\n s->pos = buffer_size;\n s->buf_end = s->buffer + buffer_size;\n }\n s->read_pause = NULL;\n s->read_seek = NULL;\n return 0;\n}', 'int url_resetbuf(AVIOContext *s, int flags)\n#else\nstatic int url_resetbuf(AVIOContext *s, int flags)\n#endif\n{\n#if FF_API_URL_RESETBUF\n if (flags & URL_RDWR)\n return AVERROR(EINVAL);\n#else\n assert(flags == URL_WRONLY || flags == URL_RDONLY);\n#endif\n if (flags & URL_WRONLY) {\n s->buf_end = s->buffer + s->buffer_size;\n s->write_flag = 1;\n } else {\n s->buf_end = s->buffer;\n s->write_flag = 0;\n }\n return 0;\n}', 'void av_close_input_stream(AVFormatContext *s)\n{\n flush_packet_queue(s);\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n}'] |
16,683 | 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_is_on_curve(const EC_GROUP *group, const EC_POINT *point,\n BN_CTX *ctx)\n{\n int (*field_mul) (const EC_GROUP *, BIGNUM *, const BIGNUM *,\n const BIGNUM *, BN_CTX *);\n int (*field_sqr) (const EC_GROUP *, BIGNUM *, const BIGNUM *, BN_CTX *);\n const BIGNUM *p;\n BN_CTX *new_ctx = NULL;\n BIGNUM *rh, *tmp, *Z4, *Z6;\n int ret = -1;\n if (EC_POINT_is_at_infinity(group, point))\n return 1;\n field_mul = group->meth->field_mul;\n field_sqr = group->meth->field_sqr;\n p = group->field;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return -1;\n }\n BN_CTX_start(ctx);\n rh = BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n Z4 = BN_CTX_get(ctx);\n Z6 = BN_CTX_get(ctx);\n if (Z6 == NULL)\n goto err;\n if (!field_sqr(group, rh, point->X, ctx))\n goto err;\n if (!point->Z_is_one) {\n if (!field_sqr(group, tmp, point->Z, ctx))\n goto err;\n if (!field_sqr(group, Z4, tmp, ctx))\n goto err;\n if (!field_mul(group, Z6, Z4, tmp, ctx))\n goto err;\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp, Z4, p))\n goto err;\n if (!BN_mod_add_quick(tmp, tmp, Z4, p))\n goto err;\n if (!BN_mod_sub_quick(rh, rh, tmp, p))\n goto err;\n if (!field_mul(group, rh, rh, point->X, ctx))\n goto err;\n } else {\n if (!field_mul(group, tmp, Z4, group->a, ctx))\n goto err;\n if (!BN_mod_add_quick(rh, rh, tmp, p))\n goto err;\n if (!field_mul(group, rh, rh, point->X, ctx))\n goto err;\n }\n if (!field_mul(group, tmp, group->b, Z6, ctx))\n goto err;\n if (!BN_mod_add_quick(rh, rh, tmp, p))\n goto err;\n } else {\n if (!BN_mod_add_quick(rh, rh, group->a, p))\n goto err;\n if (!field_mul(group, rh, rh, point->X, ctx))\n goto err;\n if (!BN_mod_add_quick(rh, rh, group->b, p))\n goto err;\n }\n if (!field_sqr(group, tmp, point->Y, ctx))\n goto err;\n ret = (0 == BN_ucmp(tmp, rh));\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const BIGNUM *m)\n{\n if (!BN_uadd(r, a, b))\n return 0;\n if (BN_ucmp(r, m) >= 0)\n return BN_usub(r, r, m);\n return 1;\n}', 'int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n const BN_ULONG *ap, *bp;\n BN_ULONG *rp, carry, t1, t2;\n const BIGNUM *tmp;\n bn_check_top(a);\n bn_check_top(b);\n if (a->top < b->top) {\n tmp = a;\n a = b;\n b = tmp;\n }\n max = a->top;\n min = b->top;\n dif = max - min;\n if (bn_wexpand(r, max + 1) == NULL)\n return 0;\n r->top = max;\n ap = a->d;\n bp = b->d;\n rp = r->d;\n carry = bn_add_words(rp, ap, bp, min);\n rp += min;\n ap += min;\n bp += min;\n if (carry) {\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 + 1) & BN_MASK2;\n *(rp++) = t2;\n if (t2) {\n carry = 0;\n break;\n }\n }\n if (carry) {\n *rp = 1;\n r->top++;\n }\n }\n if (dif && rp != ap)\n while (dif--)\n *(rp++) = *(ap++);\n r->neg = 0;\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}', 'int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n register BN_ULONG t1, t2, *rp;\n register const BN_ULONG *ap, *bp;\n int i, carry;\n bn_check_top(a);\n bn_check_top(b);\n max = a->top;\n min = b->top;\n dif = max - min;\n if (dif < 0) {\n BNerr(BN_F_BN_USUB, BN_R_ARG2_LT_ARG3);\n return (0);\n }\n if (bn_wexpand(r, max) == NULL)\n return (0);\n ap = a->d;\n bp = b->d;\n rp = r->d;\n#if 1\n carry = 0;\n for (i = min; i != 0; i--) {\n t1 = *(ap++);\n t2 = *(bp++);\n if (carry) {\n carry = (t1 <= t2);\n t1 = (t1 - t2 - 1) & BN_MASK2;\n } else {\n carry = (t1 < t2);\n t1 = (t1 - t2) & BN_MASK2;\n }\n *(rp++) = t1 & BN_MASK2;\n }\n#else\n carry = bn_sub_words(rp, ap, bp, min);\n ap += min;\n bp += min;\n rp += min;\n#endif\n if (carry) {\n if (!dif)\n return 0;\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 - 1) & BN_MASK2;\n *(rp++) = t2;\n if (t1)\n break;\n }\n }\n if (dif && ap != rp)\n memcpy(rp, ap, sizeof(*rp) * dif);\n r->top = max;\n r->neg = 0;\n bn_correct_top(r);\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}'] |
16,684 | 0 | https://github.com/openssl/openssl/blob/5ea564f154ebe8bda2a0e091a312e2058edf437f/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 BN_GF2m_mod_div_arr(BIGNUM *r, const BIGNUM *yy, const BIGNUM *xx,\n const int p[], BN_CTX *ctx)\n{\n BIGNUM *field;\n int ret = 0;\n bn_check_top(yy);\n bn_check_top(xx);\n BN_CTX_start(ctx);\n if ((field = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_arr2poly(p, field))\n goto err;\n ret = BN_GF2m_mod_div(r, yy, xx, field, ctx);\n bn_check_top(r);\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_GF2m_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}', '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}'] |
16,685 | 0 | https://github.com/openssl/openssl/blob/d59c7c81e3850dc667d61047850c3b6936eb5fca/crypto/x509/x509_vfy.c/#L895 | static int check_cert(X509_STORE_CTX *ctx)
{
X509_CRL *crl = NULL, *dcrl = NULL;
X509 *x = NULL;
int ok = 0, cnum = 0;
unsigned int last_reasons = 0;
cnum = ctx->error_depth;
x = sk_X509_value(ctx->chain, cnum);
ctx->current_cert = x;
ctx->current_issuer = NULL;
ctx->current_crl_score = 0;
ctx->current_reasons = 0;
while (ctx->current_reasons != CRLDP_ALL_REASONS) {
last_reasons = ctx->current_reasons;
if (ctx->get_crl)
ok = ctx->get_crl(ctx, &crl, x);
else
ok = get_crl_delta(ctx, &crl, &dcrl, x);
if (!ok) {
ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
ok = ctx->verify_cb(0, ctx);
goto err;
}
ctx->current_crl = crl;
ok = ctx->check_crl(ctx, crl);
if (!ok)
goto err;
if (dcrl) {
ok = ctx->check_crl(ctx, dcrl);
if (!ok)
goto err;
ok = ctx->cert_crl(ctx, dcrl, x);
if (!ok)
goto err;
} else
ok = 1;
if (ok != 2) {
ok = ctx->cert_crl(ctx, crl, x);
if (!ok)
goto err;
}
X509_CRL_free(crl);
X509_CRL_free(dcrl);
crl = NULL;
dcrl = NULL;
if (last_reasons == ctx->current_reasons) {
ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
ok = ctx->verify_cb(0, ctx);
goto err;
}
}
err:
X509_CRL_free(crl);
X509_CRL_free(dcrl);
ctx->current_crl = NULL;
return ok;
} | ['static int check_cert(X509_STORE_CTX *ctx)\n{\n X509_CRL *crl = NULL, *dcrl = NULL;\n X509 *x = NULL;\n int ok = 0, cnum = 0;\n unsigned int last_reasons = 0;\n cnum = ctx->error_depth;\n x = sk_X509_value(ctx->chain, cnum);\n ctx->current_cert = x;\n ctx->current_issuer = NULL;\n ctx->current_crl_score = 0;\n ctx->current_reasons = 0;\n while (ctx->current_reasons != CRLDP_ALL_REASONS) {\n last_reasons = ctx->current_reasons;\n if (ctx->get_crl)\n ok = ctx->get_crl(ctx, &crl, x);\n else\n ok = get_crl_delta(ctx, &crl, &dcrl, x);\n if (!ok) {\n ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;\n ok = ctx->verify_cb(0, ctx);\n goto err;\n }\n ctx->current_crl = crl;\n ok = ctx->check_crl(ctx, crl);\n if (!ok)\n goto err;\n if (dcrl) {\n ok = ctx->check_crl(ctx, dcrl);\n if (!ok)\n goto err;\n ok = ctx->cert_crl(ctx, dcrl, x);\n if (!ok)\n goto err;\n } else\n ok = 1;\n if (ok != 2) {\n ok = ctx->cert_crl(ctx, crl, x);\n if (!ok)\n goto err;\n }\n X509_CRL_free(crl);\n X509_CRL_free(dcrl);\n crl = NULL;\n dcrl = NULL;\n if (last_reasons == ctx->current_reasons) {\n ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;\n ok = ctx->verify_cb(0, ctx);\n goto err;\n }\n }\n err:\n X509_CRL_free(crl);\n X509_CRL_free(dcrl);\n ctx->current_crl = NULL;\n return ok;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n if (!st || (i < 0) || (i >= st->num))\n return NULL;\n return st->data[i];\n}', 'static int get_crl_delta(X509_STORE_CTX *ctx,\n X509_CRL **pcrl, X509_CRL **pdcrl, X509 *x)\n{\n int ok;\n X509 *issuer = NULL;\n int crl_score = 0;\n unsigned int reasons;\n X509_CRL *crl = NULL, *dcrl = NULL;\n STACK_OF(X509_CRL) *skcrl;\n X509_NAME *nm = X509_get_issuer_name(x);\n reasons = ctx->current_reasons;\n ok = get_crl_sk(ctx, &crl, &dcrl,\n &issuer, &crl_score, &reasons, ctx->crls);\n if (ok)\n goto done;\n skcrl = ctx->lookup_crls(ctx, nm);\n if (!skcrl && crl)\n goto done;\n get_crl_sk(ctx, &crl, &dcrl, &issuer, &crl_score, &reasons, skcrl);\n sk_X509_CRL_pop_free(skcrl, X509_CRL_free);\n done:\n if (crl) {\n ctx->current_issuer = issuer;\n ctx->current_crl_score = crl_score;\n ctx->current_reasons = reasons;\n *pcrl = crl;\n *pdcrl = dcrl;\n return 1;\n }\n return 0;\n}', 'X509_NAME *X509_get_issuer_name(X509 *a)\n{\n return (a->cert_info.issuer);\n}'] |
16,686 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/asn1/asn1_lib.c/#L80 | int ASN1_check_infinite_end(unsigned char **p, long len)
{
if (len <= 0)
return(1);
else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0))
{
(*p)+=2;
return(1);
}
return(0);
} | ['int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, unsigned char *pass,\n\t int passlen, int options)\n{\n\tSTACK *asafes, *bags;\n\tint i, bagnid;\n\tPKCS7 *p7;\n\tif (!( asafes = M_PKCS12_unpack_authsafes (p12))) return 0;\n\tfor (i = 0; i < sk_num (asafes); i++) {\n\t\tp7 = (PKCS7 *) sk_value (asafes, i);\n\t\tbagnid = OBJ_obj2nid (p7->type);\n\t\tif (bagnid == NID_pkcs7_data) {\n\t\t\tbags = M_PKCS12_unpack_p7data (p7);\n\t\t\tif (options & INFO) BIO_printf (bio_err, "PKCS7 Data\\n");\n\t\t} else if (bagnid == NID_pkcs7_encrypted) {\n\t\t\tif (options & INFO) {\n\t\t\t\tBIO_printf (bio_err, "PKCS7 Encrypted data: ");\n\t\t\t\talg_print (bio_err,\n\t\t\t\t\tp7->d.encrypted->enc_data->algorithm);\n\t\t\t}\n\t\t\tbags = M_PKCS12_unpack_p7encdata (p7, pass, passlen);\n\t\t} else continue;\n\t\tif (!bags) return 0;\n\t \tif (!dump_certs_pkeys_bags (out, bags, pass, passlen,\n\t\t\t\t\t\t\t options)) {\n\t\t\tsk_pop_free (bags, PKCS12_SAFEBAG_free);\n\t\t\treturn 0;\n\t\t}\n\t\tsk_pop_free (bags, PKCS12_SAFEBAG_free);\n\t}\n\tsk_pop_free (asafes, PKCS7_free);\n\treturn 1;\n}', 'char * PKCS12_decrypt_d2i (X509_ALGOR *algor, char * (*d2i)(),\n\t void (*free_func)(), unsigned char *pass, int passlen,\n\t ASN1_OCTET_STRING *oct, int seq)\n{\n\tunsigned char *out, *p;\n\tchar *ret;\n\tint outlen;\n\tif (!PKCS12_pbe_crypt (algor, pass, passlen, oct->data, oct->length,\n\t\t\t\t &out, &outlen, 0)) {\n\t\tPKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_PKCS12_PBE_CRYPT_ERROR);\n\t\treturn NULL;\n\t}\n\tp = out;\n#ifdef DEBUG_DECRYPT\n\t{\n\t\tFILE *op;\n\t\tchar fname[30];\n\t\tstatic int fnm = 1;\n\t\tsprintf(fname, "DER%d", fnm++);\n\t\top = fopen(fname, "wb");\n\t\tfwrite (p, 1, outlen, op);\n\t\tfclose(op);\n\t}\n#endif\n\tif (seq & 1) ret = (char *) d2i_ASN1_SET(NULL, &p, outlen, d2i,\n\t\t\t\tfree_func, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);\n\telse ret = d2i(NULL, &p, outlen);\n\tif (seq & 2) memset(out, 0, outlen);\n\tif(!ret) PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_DECODE_ERROR);\n\tFree (out);\n\treturn ret;\n}', 'unsigned char * PKCS12_pbe_crypt (X509_ALGOR *algor, unsigned char *pass,\n\t int passlen, unsigned char *in, int inlen, unsigned char **data,\n\t int *datalen, int en_de)\n{\n\tunsigned char *out;\n\tint outlen, i;\n\tEVP_CIPHER_CTX ctx;\n\tif(!(out = Malloc (inlen + 8))) {\n\t\tPKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,ERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t}\n if (!EVP_PBE_ALGOR_CipherInit (algor, pass, passlen, &ctx, en_de)) {\n\t\tPKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);\n\t\treturn NULL;\n\t}\n\tEVP_CipherUpdate (&ctx, out, &i, in, inlen);\n\toutlen = i;\n\tif(!EVP_CipherFinal (&ctx, out + i, &i)) {\n\t\tFree (out);\n\t\tPKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_CIPHERFINAL_ERROR);\n\t\treturn NULL;\n\t}\n\toutlen += i;\n\tif (datalen) *datalen = outlen;\n\tif (data) *data = out;\n\treturn out;\n}', 'STACK *d2i_ASN1_SET(STACK **a, unsigned char **pp, long length,\n\t char *(*func)(), void (*free_func)(), int ex_tag, int ex_class)\n\t{\n\tASN1_CTX c;\n\tSTACK *ret=NULL;\n\tif ((a == NULL) || ((*a) == NULL))\n\t\t{ if ((ret=sk_new(NULL)) == NULL) goto err; }\n\telse\n\t\tret=(*a);\n\tc.p= *pp;\n\tc.max=(length == 0)?0:(c.p+length);\n\tc.inf=ASN1_get_object(&c.p,&c.slen,&c.tag,&c.xclass,c.max-c.p);\n\tif (c.inf & 0x80) goto err;\n\tif (ex_class != c.xclass)\n\t\t{\n\t\tASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_BAD_CLASS);\n\t\tgoto err;\n\t\t}\n\tif (ex_tag != c.tag)\n\t\t{\n\t\tASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_BAD_TAG);\n\t\tgoto err;\n\t\t}\n\tif ((c.slen+c.p) > c.max)\n\t\t{\n\t\tASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_LENGTH_ERROR);\n\t\tgoto err;\n\t\t}\n\tif (c.inf == (V_ASN1_CONSTRUCTED+1))\n\t\tc.slen=length+ *pp-c.p;\n\tc.max=c.p+c.slen;\n\twhile (c.p < c.max)\n\t\t{\n\t\tchar *s;\n\t\tif (M_ASN1_D2I_end_sequence()) break;\n\t\tif ((s=func(NULL,&c.p,c.slen,c.max-c.p)) == NULL)\n\t\t\t{\n\t\t\tASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_ERROR_PARSING_SET_ELEMENT);\n\t\t\tasn1_add_error(*pp,(int)(c.q- *pp));\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (!sk_push(ret,s)) goto err;\n\t\t}\n\tif (a != NULL) (*a)=ret;\n\t*pp=c.p;\n\treturn(ret);\nerr:\n\tif ((ret != NULL) && ((a == NULL) || (*a != ret)))\n\t\t{\n\t\tif (free_func != NULL)\n\t\t\tsk_pop_free(ret,free_func);\n\t\telse\n\t\t\tsk_free(ret);\n\t\t}\n\treturn(NULL);\n\t}', 'int ASN1_check_infinite_end(unsigned char **p, long len)\n\t{\n\tif (len <= 0)\n\t\treturn(1);\n\telse if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0))\n\t\t{\n\t\t(*p)+=2;\n\t\treturn(1);\n\t\t}\n\treturn(0);\n\t}'] |
16,687 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/evp/evp_pbe.c/#L163 | int EVP_PBE_alg_add (int nid, EVP_CIPHER *cipher, EVP_MD *md,
EVP_PBE_KEYGEN *keygen)
{
EVP_PBE_CTL *pbe_tmp;
if (!pbe_algs) pbe_algs = sk_new (pbe_cmp);
if (!(pbe_tmp = (EVP_PBE_CTL*) Malloc (sizeof(EVP_PBE_CTL)))) {
EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE);
return 0;
}
pbe_tmp->pbe_nid = nid;
pbe_tmp->cipher = cipher;
pbe_tmp->md = md;
pbe_tmp->keygen = keygen;
sk_push (pbe_algs, (char *)pbe_tmp);
return 1;
} | ['int EVP_PBE_alg_add (int nid, EVP_CIPHER *cipher, EVP_MD *md,\n\t EVP_PBE_KEYGEN *keygen)\n{\n\tEVP_PBE_CTL *pbe_tmp;\n\tif (!pbe_algs) pbe_algs = sk_new (pbe_cmp);\n\tif (!(pbe_tmp = (EVP_PBE_CTL*) Malloc (sizeof(EVP_PBE_CTL)))) {\n\t\tEVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE);\n\t\treturn 0;\n\t}\n\tpbe_tmp->pbe_nid = nid;\n\tpbe_tmp->cipher = cipher;\n\tpbe_tmp->md = md;\n\tpbe_tmp->keygen = keygen;\n\tsk_push (pbe_algs, (char *)pbe_tmp);\n\treturn 1;\n}', 'STACK *sk_new(int (*c)())\n\t{\n\tSTACK *ret;\n\tint i;\n\tif ((ret=(STACK *)Malloc(sizeof(STACK))) == NULL)\n\t\tgoto err0;\n\tif ((ret->data=(char **)Malloc(sizeof(char *)*MIN_NODES)) == NULL)\n\t\tgoto err1;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->data[i]=NULL;\n\tret->comp=c;\n\tret->num_alloc=MIN_NODES;\n\tret->num=0;\n\tret->sorted=0;\n\treturn(ret);\nerr1:\n\tFree((char *)ret);\nerr0:\n\treturn(NULL);\n\t}', 'int sk_push(STACK *st, char *data)\n\t{\n\treturn(sk_insert(st,data,st->num));\n\t}'] |
16,688 | 0 | https://github.com/libav/libav/blob/688417399c69aadd4c287bdb0dec82ef8799011c/libavcodec/hevcdsp_template.c/#L907 | PUT_HEVC_QPEL_HV(3, 1) | ['QPEL(4)', 'PUT_HEVC_QPEL_HV(3, 1)'] |
16,689 | 0 | https://github.com/libav/libav/blob/85395ba73f9cc1b3cece3e85ae12f491ad7c1dd2/libavcodec/rv40.c/#L522 | 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}'] |
16,690 | 0 | https://github.com/openssl/openssl/blob/11d01d371f67a9cacfeccb1078669c595d65002f/ssl/ssl_lib.c/#L1308 | char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
{
char *p;
STACK_OF(SSL_CIPHER) *sk;
SSL_CIPHER *c;
int i;
if ((s->session == NULL) || (s->session->ciphers == NULL) ||
(len < 2))
return(NULL);
p=buf;
sk=s->session->ciphers;
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
int n;
c=sk_SSL_CIPHER_value(sk,i);
n=strlen(c->name);
if (n+1 > len)
{
if (p != buf)
--p;
*p='\0';
return buf;
}
strcpy(p,c->name);
p+=n;
*(p++)=':';
len-=n+1;
}
p[-1]='\0';
return(buf);
} | ['static void print_stuff(BIO *bio, SSL *s, int full)\n\t{\n\tX509 *peer=NULL;\n\tchar *p;\n\tstatic const char *space=" ";\n\tchar buf[BUFSIZ];\n\tSTACK_OF(X509) *sk;\n\tSTACK_OF(X509_NAME) *sk2;\n\tSSL_CIPHER *c;\n\tX509_NAME *xn;\n\tint j,i;\n#ifndef OPENSSL_NO_COMP\n\tconst COMP_METHOD *comp, *expansion;\n#endif\n\tif (full)\n\t\t{\n\t\tint got_a_chain = 0;\n\t\tsk=SSL_get_peer_cert_chain(s);\n\t\tif (sk != NULL)\n\t\t\t{\n\t\t\tgot_a_chain = 1;\n\t\t\tBIO_printf(bio,"---\\nCertificate chain\\n");\n\t\t\tfor (i=0; i<sk_X509_num(sk); i++)\n\t\t\t\t{\n\t\t\t\tX509_NAME_oneline(X509_get_subject_name(\n\t\t\t\t\tsk_X509_value(sk,i)),buf,sizeof buf);\n\t\t\t\tBIO_printf(bio,"%2d s:%s\\n",i,buf);\n\t\t\t\tX509_NAME_oneline(X509_get_issuer_name(\n\t\t\t\t\tsk_X509_value(sk,i)),buf,sizeof buf);\n\t\t\t\tBIO_printf(bio," i:%s\\n",buf);\n\t\t\t\tif (c_showcerts)\n\t\t\t\t\tPEM_write_bio_X509(bio,sk_X509_value(sk,i));\n\t\t\t\t}\n\t\t\t}\n\t\tBIO_printf(bio,"---\\n");\n\t\tpeer=SSL_get_peer_certificate(s);\n\t\tif (peer != NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio,"Server certificate\\n");\n\t\t\tif (!(c_showcerts && got_a_chain))\n\t\t\t\tPEM_write_bio_X509(bio,peer);\n\t\t\tX509_NAME_oneline(X509_get_subject_name(peer),\n\t\t\t\tbuf,sizeof buf);\n\t\t\tBIO_printf(bio,"subject=%s\\n",buf);\n\t\t\tX509_NAME_oneline(X509_get_issuer_name(peer),\n\t\t\t\tbuf,sizeof buf);\n\t\t\tBIO_printf(bio,"issuer=%s\\n",buf);\n\t\t\t}\n\t\telse\n\t\t\tBIO_printf(bio,"no peer certificate available\\n");\n\t\tsk2=SSL_get_client_CA_list(s);\n\t\tif ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))\n\t\t\t{\n\t\t\tBIO_printf(bio,"---\\nAcceptable client certificate CA names\\n");\n\t\t\tfor (i=0; i<sk_X509_NAME_num(sk2); i++)\n\t\t\t\t{\n\t\t\t\txn=sk_X509_NAME_value(sk2,i);\n\t\t\t\tX509_NAME_oneline(xn,buf,sizeof(buf));\n\t\t\t\tBIO_write(bio,buf,strlen(buf));\n\t\t\t\tBIO_write(bio,"\\n",1);\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio,"---\\nNo client certificate CA names sent\\n");\n\t\t\t}\n\t\tp=SSL_get_shared_ciphers(s,buf,sizeof buf);\n\t\tif (p != NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio,"---\\nCiphers common between both SSL endpoints:\\n");\n\t\t\tj=i=0;\n\t\t\twhile (*p)\n\t\t\t\t{\n\t\t\t\tif (*p == \':\')\n\t\t\t\t\t{\n\t\t\t\t\tBIO_write(bio,space,15-j%25);\n\t\t\t\t\ti++;\n\t\t\t\t\tj=0;\n\t\t\t\t\tBIO_write(bio,((i%3)?" ":"\\n"),1);\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tBIO_write(bio,p,1);\n\t\t\t\t\tj++;\n\t\t\t\t\t}\n\t\t\t\tp++;\n\t\t\t\t}\n\t\t\tBIO_write(bio,"\\n",1);\n\t\t\t}\n\t\tBIO_printf(bio,"---\\nSSL handshake has read %ld bytes and written %ld bytes\\n",\n\t\t\tBIO_number_read(SSL_get_rbio(s)),\n\t\t\tBIO_number_written(SSL_get_wbio(s)));\n\t\t}\n\tBIO_printf(bio,((s->hit)?"---\\nReused, ":"---\\nNew, "));\n\tc=SSL_get_current_cipher(s);\n\tBIO_printf(bio,"%s, Cipher is %s\\n",\n\t\tSSL_CIPHER_get_version(c),\n\t\tSSL_CIPHER_get_name(c));\n\tif (peer != NULL) {\n\t\tEVP_PKEY *pktmp;\n\t\tpktmp = X509_get_pubkey(peer);\n\t\tBIO_printf(bio,"Server public key is %d bit\\n",\n\t\t\t\t\t\t\t EVP_PKEY_bits(pktmp));\n\t\tEVP_PKEY_free(pktmp);\n\t}\n#ifndef OPENSSL_NO_COMP\n\tcomp=SSL_get_current_compression(s);\n\texpansion=SSL_get_current_expansion(s);\n\tBIO_printf(bio,"Compression: %s\\n",\n\t\tcomp ? SSL_COMP_get_name(comp) : "NONE");\n\tBIO_printf(bio,"Expansion: %s\\n",\n\t\texpansion ? SSL_COMP_get_name(expansion) : "NONE");\n#endif\n\tSSL_SESSION_print(bio,SSL_get_session(s));\n\tBIO_printf(bio,"---\\n");\n\tif (peer != NULL)\n\t\tX509_free(peer);\n\t(void)BIO_flush(bio);\n\t}', "char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)\n\t{\n\tchar *p;\n\tSTACK_OF(SSL_CIPHER) *sk;\n\tSSL_CIPHER *c;\n\tint i;\n\tif ((s->session == NULL) || (s->session->ciphers == NULL) ||\n\t\t(len < 2))\n\t\treturn(NULL);\n\tp=buf;\n\tsk=s->session->ciphers;\n\tfor (i=0; i<sk_SSL_CIPHER_num(sk); i++)\n\t\t{\n\t\tint n;\n\t\tc=sk_SSL_CIPHER_value(sk,i);\n\t\tn=strlen(c->name);\n\t\tif (n+1 > len)\n\t\t\t{\n\t\t\tif (p != buf)\n\t\t\t\t--p;\n\t\t\t*p='\\0';\n\t\t\treturn buf;\n\t\t\t}\n\t\tstrcpy(p,c->name);\n\t\tp+=n;\n\t\t*(p++)=':';\n\t\tlen-=n+1;\n\t\t}\n\tp[-1]='\\0';\n\treturn(buf);\n\t}"] |
16,691 | 0 | https://github.com/libav/libav/blob/60fa95683df6c17939bb43d83edc724e7819b864/libavcodec/lsp.c/#L182 | void ff_sort_nearly_sorted_floats(float *vals, int len)
{
int i,j;
for (i = 0; i < len - 1; i++)
for (j = i; j >= 0 && vals[j] > vals[j+1]; j--)
FFSWAP(float, vals[j], vals[j+1]);
} | ['static int twin_decode_frame(AVCodecContext * avctx, void *data,\n int *data_size, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n TwinContext *tctx = avctx->priv_data;\n GetBitContext gb;\n const ModeTab *mtab = tctx->mtab;\n float *out = data;\n enum FrameType ftype;\n int window_type;\n static const enum FrameType wtype_to_ftype_table[] = {\n FT_LONG, FT_LONG, FT_SHORT, FT_LONG,\n FT_MEDIUM, FT_LONG, FT_LONG, FT_MEDIUM, FT_MEDIUM\n };\n if (buf_size*8 < avctx->bit_rate*mtab->size/avctx->sample_rate + 8) {\n av_log(avctx, AV_LOG_ERROR,\n "Frame too small (%d bytes). Truncated file?\\n", buf_size);\n *data_size = 0;\n return buf_size;\n }\n init_get_bits(&gb, buf, buf_size * 8);\n skip_bits(&gb, get_bits(&gb, 8));\n window_type = get_bits(&gb, WINDOW_TYPE_BITS);\n if (window_type > 8) {\n av_log(avctx, AV_LOG_ERROR, "Invalid window type, broken sample?\\n");\n return -1;\n }\n ftype = wtype_to_ftype_table[window_type];\n read_and_decode_spectrum(tctx, &gb, tctx->spectrum, ftype);\n imdct_output(tctx, ftype, window_type, out);\n FFSWAP(float*, tctx->curr_frame, tctx->prev_frame);\n if (tctx->avctx->frame_number < 2) {\n *data_size=0;\n return buf_size;\n }\n tctx->dsp.vector_clipf(out, out, -32700./(1<<15), 32700./(1<<15),\n avctx->channels * mtab->size);\n *data_size = mtab->size*avctx->channels*4;\n return buf_size;\n}', 'static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,\n float *out, enum FrameType ftype)\n{\n const ModeTab *mtab = tctx->mtab;\n int channels = tctx->avctx->channels;\n int sub = mtab->fmode[ftype].sub;\n int block_size = mtab->size / sub;\n float gain[channels*sub];\n float ppc_shape[mtab->ppc_shape_len * channels * 4];\n uint8_t bark1[channels][sub][mtab->fmode[ftype].bark_n_coef];\n uint8_t bark_use_hist[channels][sub];\n uint8_t lpc_idx1[channels];\n uint8_t lpc_idx2[channels][tctx->mtab->lsp_split];\n uint8_t lpc_hist_idx[channels];\n int i, j, k;\n dequant(tctx, gb, out, ftype,\n mtab->fmode[ftype].cb0, mtab->fmode[ftype].cb1,\n mtab->fmode[ftype].cb_len_read);\n for (i = 0; i < channels; i++)\n for (j = 0; j < sub; j++)\n for (k = 0; k < mtab->fmode[ftype].bark_n_coef; k++)\n bark1[i][j][k] =\n get_bits(gb, mtab->fmode[ftype].bark_n_bit);\n for (i = 0; i < channels; i++)\n for (j = 0; j < sub; j++)\n bark_use_hist[i][j] = get_bits1(gb);\n dec_gain(tctx, gb, ftype, gain);\n for (i = 0; i < channels; i++) {\n lpc_hist_idx[i] = get_bits(gb, tctx->mtab->lsp_bit0);\n lpc_idx1 [i] = get_bits(gb, tctx->mtab->lsp_bit1);\n for (j = 0; j < tctx->mtab->lsp_split; j++)\n lpc_idx2[i][j] = get_bits(gb, tctx->mtab->lsp_bit2);\n }\n if (ftype == FT_LONG) {\n int cb_len_p = (tctx->n_div[3] + mtab->ppc_shape_len*channels - 1)/\n tctx->n_div[3];\n dequant(tctx, gb, ppc_shape, FT_PPC, mtab->ppc_shape_cb,\n mtab->ppc_shape_cb + cb_len_p*PPC_SHAPE_CB_SIZE, cb_len_p);\n }\n for (i = 0; i < channels; i++) {\n float *chunk = out + mtab->size * i;\n float lsp[tctx->mtab->n_lsp];\n for (j = 0; j < sub; j++) {\n dec_bark_env(tctx, bark1[i][j], bark_use_hist[i][j], i,\n tctx->tmp_buf, gain[sub*i+j], ftype);\n tctx->dsp.vector_fmul(chunk + block_size*j, tctx->tmp_buf,\n block_size);\n }\n if (ftype == FT_LONG) {\n float pgain_step = 25000. / ((1 << mtab->pgain_bit) - 1);\n int p_coef = get_bits(gb, tctx->mtab->ppc_period_bit);\n int g_coef = get_bits(gb, tctx->mtab->pgain_bit);\n float v = 1./8192*\n mulawinv(pgain_step*g_coef+ pgain_step/2, 25000., PGAIN_MU);\n decode_ppc(tctx, p_coef, ppc_shape + i*mtab->ppc_shape_len, v,\n chunk);\n }\n decode_lsp(tctx, lpc_idx1[i], lpc_idx2[i], lpc_hist_idx[i], lsp,\n tctx->lsp_hist[i]);\n dec_lpc_spectrum_inv(tctx, lsp, ftype, tctx->tmp_buf);\n for (j = 0; j < mtab->fmode[ftype].sub; j++) {\n tctx->dsp.vector_fmul(chunk, tctx->tmp_buf, block_size);\n chunk += block_size;\n }\n }\n}', 'static void decode_lsp(TwinContext *tctx, int lpc_idx1, uint8_t *lpc_idx2,\n int lpc_hist_idx, float *lsp, float *hist)\n{\n const ModeTab *mtab = tctx->mtab;\n int i, j;\n const float *cb = mtab->lspcodebook;\n const float *cb2 = cb + (1 << mtab->lsp_bit1)*mtab->n_lsp;\n const float *cb3 = cb2 + (1 << mtab->lsp_bit2)*mtab->n_lsp;\n const int8_t funny_rounding[4] = {\n -2,\n mtab->lsp_split == 4 ? -2 : 1,\n mtab->lsp_split == 4 ? -2 : 1,\n 0\n };\n j = 0;\n for (i = 0; i < mtab->lsp_split; i++) {\n int chunk_end = ((i + 1)*mtab->n_lsp + funny_rounding[i])/mtab->lsp_split;\n for (; j < chunk_end; j++)\n lsp[j] = cb [lpc_idx1 * mtab->n_lsp + j] +\n cb2[lpc_idx2[i] * mtab->n_lsp + j];\n }\n rearrange_lsp(mtab->n_lsp, lsp, 0.0001);\n for (i = 0; i < mtab->n_lsp; i++) {\n float tmp1 = 1. - cb3[lpc_hist_idx*mtab->n_lsp + i];\n float tmp2 = hist[i] * cb3[lpc_hist_idx*mtab->n_lsp + i];\n hist[i] = lsp[i];\n lsp[i] = lsp[i] * tmp1 + tmp2;\n }\n rearrange_lsp(mtab->n_lsp, lsp, 0.0001);\n rearrange_lsp(mtab->n_lsp, lsp, 0.000095);\n ff_sort_nearly_sorted_floats(lsp, mtab->n_lsp);\n}', 'void ff_sort_nearly_sorted_floats(float *vals, int len)\n{\n int i,j;\n for (i = 0; i < len - 1; i++)\n for (j = i; j >= 0 && vals[j] > vals[j+1]; j--)\n FFSWAP(float, vals[j], vals[j+1]);\n}'] |
16,692 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bn/bn_lib.c/#L564 | BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
{
unsigned int i, m;
unsigned int n;
BN_ULONG l;
BIGNUM *bn = NULL;
if (ret == NULL)
ret = bn = BN_new();
if (ret == NULL)
return (NULL);
bn_check_top(ret);
l = 0;
n = len;
if (n == 0) {
ret->top = 0;
return (ret);
}
i = ((n - 1) / BN_BYTES) + 1;
m = ((n - 1) % (BN_BYTES));
if (bn_wexpand(ret, (int)i) == NULL) {
if (bn)
BN_free(bn);
return NULL;
}
ret->top = i;
ret->neg = 0;
while (n--) {
l = (l << 8L) | *(s++);
if (m-- == 0) {
ret->d[--i] = l;
l = 0;
m = BN_BYTES - 1;
}
}
bn_correct_top(ret);
return (ret);
} | ['int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,\n const EVP_MD *evpmd, const unsigned char *seed_in,\n size_t seed_len, int idx, unsigned char *seed_out,\n int *counter_ret, unsigned long *h_ret,\n BN_GENCB *cb)\n{\n int ok = -1;\n unsigned char *seed = NULL, *seed_tmp = NULL;\n unsigned char md[EVP_MAX_MD_SIZE];\n int mdsize;\n BIGNUM *r0, *W, *X, *c, *test;\n BIGNUM *g = NULL, *q = NULL, *p = NULL;\n BN_MONT_CTX *mont = NULL;\n int i, k, n = 0, m = 0, qsize = N >> 3;\n int counter = 0;\n int r = 0;\n BN_CTX *ctx = NULL;\n EVP_MD_CTX mctx;\n unsigned int h = 2;\n EVP_MD_CTX_init(&mctx);\n if (evpmd == NULL) {\n if (N == 160)\n evpmd = EVP_sha1();\n else if (N == 224)\n evpmd = EVP_sha224();\n else\n evpmd = EVP_sha256();\n }\n mdsize = M_EVP_MD_size(evpmd);\n if (!ret->p || !ret->q || idx >= 0) {\n if (seed_len == 0)\n seed_len = mdsize;\n seed = OPENSSL_malloc(seed_len);\n if (seed_out)\n seed_tmp = seed_out;\n else\n seed_tmp = OPENSSL_malloc(seed_len);\n if (!seed || !seed_tmp)\n goto err;\n if (seed_in)\n memcpy(seed, seed_in, seed_len);\n }\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n r0 = BN_CTX_get(ctx);\n g = BN_CTX_get(ctx);\n W = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n c = BN_CTX_get(ctx);\n test = BN_CTX_get(ctx);\n if (ret->p && ret->q) {\n p = ret->p;\n q = ret->q;\n if (idx >= 0)\n memcpy(seed_tmp, seed, seed_len);\n goto g_only;\n } else {\n p = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n }\n if (!BN_lshift(test, BN_value_one(), L - 1))\n goto err;\n for (;;) {\n for (;;) {\n unsigned char *pmd;\n if (!BN_GENCB_call(cb, 0, m++))\n goto err;\n if (!seed_in) {\n if (RAND_pseudo_bytes(seed, seed_len) < 0)\n goto err;\n }\n if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL))\n goto err;\n if (mdsize > qsize)\n pmd = md + mdsize - qsize;\n else\n pmd = md;\n if (mdsize < qsize)\n memset(md + mdsize, 0, qsize - mdsize);\n pmd[0] |= 0x80;\n pmd[qsize - 1] |= 0x01;\n if (!BN_bin2bn(pmd, qsize, q))\n goto err;\n r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx,\n seed_in ? 1 : 0, cb);\n if (r > 0)\n break;\n if (r != 0)\n goto err;\n if (seed_in) {\n ok = 0;\n DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_Q_NOT_PRIME);\n goto err;\n }\n }\n if (seed_out)\n memcpy(seed_out, seed, seed_len);\n if (!BN_GENCB_call(cb, 2, 0))\n goto err;\n if (!BN_GENCB_call(cb, 3, 0))\n goto err;\n counter = 0;\n n = (L - 1) / (mdsize << 3);\n for (;;) {\n if ((counter != 0) && !BN_GENCB_call(cb, 0, counter))\n goto err;\n BN_zero(W);\n for (k = 0; k <= n; k++) {\n for (i = seed_len - 1; i >= 0; i--) {\n seed[i]++;\n if (seed[i] != 0)\n break;\n }\n if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL))\n goto err;\n if (!BN_bin2bn(md, mdsize, r0))\n goto err;\n if (!BN_lshift(r0, r0, (mdsize << 3) * k))\n goto err;\n if (!BN_add(W, W, r0))\n goto err;\n }\n if (!BN_mask_bits(W, L - 1))\n goto err;\n if (!BN_copy(X, W))\n goto err;\n if (!BN_add(X, X, test))\n goto err;\n if (!BN_lshift1(r0, q))\n goto err;\n if (!BN_mod(c, X, r0, ctx))\n goto err;\n if (!BN_sub(r0, c, BN_value_one()))\n goto err;\n if (!BN_sub(p, X, r0))\n goto err;\n if (BN_cmp(p, test) >= 0) {\n r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, ctx, 1, cb);\n if (r > 0)\n goto end;\n if (r != 0)\n goto err;\n }\n counter++;\n if (counter >= (int)(4 * L))\n break;\n }\n if (seed_in) {\n ok = 0;\n DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_INVALID_PARAMETERS);\n goto err;\n }\n }\n end:\n if (!BN_GENCB_call(cb, 2, 1))\n goto err;\n g_only:\n if (!BN_sub(test, p, BN_value_one()))\n goto err;\n if (!BN_div(r0, NULL, test, q, ctx))\n goto err;\n if (idx < 0) {\n if (!BN_set_word(test, h))\n goto err;\n } else\n h = 1;\n if (!BN_MONT_CTX_set(mont, p, ctx))\n goto err;\n for (;;) {\n static const unsigned char ggen[4] = { 0x67, 0x67, 0x65, 0x6e };\n if (idx >= 0) {\n md[0] = idx & 0xff;\n md[1] = (h >> 8) & 0xff;\n md[2] = h & 0xff;\n if (!EVP_DigestInit_ex(&mctx, evpmd, NULL))\n goto err;\n if (!EVP_DigestUpdate(&mctx, seed_tmp, seed_len))\n goto err;\n if (!EVP_DigestUpdate(&mctx, ggen, sizeof(ggen)))\n goto err;\n if (!EVP_DigestUpdate(&mctx, md, 3))\n goto err;\n if (!EVP_DigestFinal_ex(&mctx, md, NULL))\n goto err;\n if (!BN_bin2bn(md, mdsize, test))\n goto err;\n }\n if (!BN_mod_exp_mont(g, test, r0, p, ctx, mont))\n goto err;\n if (!BN_is_one(g))\n break;\n if (idx < 0 && !BN_add(test, test, BN_value_one()))\n goto err;\n h++;\n if (idx >= 0 && h > 0xffff)\n goto err;\n }\n if (!BN_GENCB_call(cb, 3, 1))\n goto err;\n ok = 1;\n err:\n if (ok == 1) {\n if (p != ret->p) {\n if (ret->p)\n BN_free(ret->p);\n ret->p = BN_dup(p);\n }\n if (q != ret->q) {\n if (ret->q)\n BN_free(ret->q);\n ret->q = BN_dup(q);\n }\n if (ret->g)\n BN_free(ret->g);\n ret->g = BN_dup(g);\n if (ret->p == NULL || ret->q == NULL || ret->g == NULL) {\n ok = -1;\n goto err;\n }\n if (counter_ret != NULL)\n *counter_ret = counter;\n if (h_ret != NULL)\n *h_ret = h;\n }\n if (seed)\n OPENSSL_free(seed);\n if (seed_out != seed_tmp)\n OPENSSL_free(seed_tmp);\n if (ctx) {\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n }\n if (mont != NULL)\n BN_MONT_CTX_free(mont);\n EVP_MD_CTX_cleanup(&mctx);\n return ok;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return (NULL);\n bn_check_top(ret);\n l = 0;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return (ret);\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n if (bn)\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return (ret);\n}'] |
16,693 | 0 | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/ssl/packet.c/#L49 | 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;
} | ['int tls_construct_client_certificate(SSL *s, WPACKET *pkt)\n{\n if (SSL_IS_TLS13(s)) {\n if (s->pha_context == NULL) {\n if (!WPACKET_put_bytes_u8(pkt, 0)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n } else if (!WPACKET_sub_memcpy_u8(pkt, s->pha_context, s->pha_context_len)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (!ssl3_output_cert_chain(s, pkt,\n (s->s3->tmp.cert_req == 2) ? NULL\n : s->cert->key)) {\n return 0;\n }\n if (SSL_IS_TLS13(s)\n && SSL_IS_FIRST_HANDSHAKE(s)\n && (!s->method->ssl3_enc->change_cipher_state(s,\n SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_WRITE))) {\n SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE,\n SSL_R_CANNOT_CHANGE_CIPHER);\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 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}'] |
16,694 | 0 | https://github.com/openssl/openssl/blob/02cba628daa7fea959c561531a8a984756bdf41c/crypto/lhash/lhash.c/#L123 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | ['int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al)\n{\n SSL_SESSION *ret = NULL;\n int fatal = 0;\n int try_session_cache = 0;\n TICKET_RETURN r;\n if (SSL_IS_TLS13(s)) {\n if (!tls_parse_extension(s, TLSEXT_IDX_psk_kex_modes, EXT_CLIENT_HELLO,\n hello->pre_proc_exts, NULL, 0, al)\n || !tls_parse_extension(s, TLSEXT_IDX_psk, EXT_CLIENT_HELLO,\n hello->pre_proc_exts, NULL, 0, al))\n return -1;\n ret = s->session;\n } else {\n r = tls_get_ticket_from_client(s, hello, &ret);\n switch (r) {\n case TICKET_FATAL_ERR_MALLOC:\n case TICKET_FATAL_ERR_OTHER:\n fatal = 1;\n goto err;\n case TICKET_NONE:\n case TICKET_EMPTY:\n try_session_cache = 1;\n break;\n case TICKET_NO_DECRYPT:\n case TICKET_SUCCESS:\n case TICKET_SUCCESS_RENEW:\n break;\n }\n }\n if (try_session_cache &&\n ret == NULL &&\n !(s->session_ctx->session_cache_mode &\n SSL_SESS_CACHE_NO_INTERNAL_LOOKUP)) {\n SSL_SESSION data;\n data.ssl_version = s->version;\n memset(data.session_id, 0, sizeof(data.session_id));\n memcpy(data.session_id, hello->session_id, hello->session_id_len);\n data.session_id_length = hello->session_id_len;\n CRYPTO_THREAD_read_lock(s->session_ctx->lock);\n ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data);\n if (ret != NULL) {\n SSL_SESSION_up_ref(ret);\n }\n CRYPTO_THREAD_unlock(s->session_ctx->lock);\n if (ret == NULL)\n s->session_ctx->stats.sess_miss++;\n }\n if (try_session_cache &&\n ret == NULL && s->session_ctx->get_session_cb != NULL) {\n int copy = 1;\n ret = s->session_ctx->get_session_cb(s, hello->session_id,\n hello->session_id_len,\n ©);\n if (ret != NULL) {\n s->session_ctx->stats.sess_cb_hit++;\n if (copy)\n SSL_SESSION_up_ref(ret);\n if (!\n (s->session_ctx->session_cache_mode &\n SSL_SESS_CACHE_NO_INTERNAL_STORE)) {\n if (SSL_CTX_add_session(s->session_ctx, ret))\n goto err;\n }\n }\n }\n if (ret == NULL)\n goto err;\n if (ret->ssl_version != s->version)\n goto err;\n if (ret->sid_ctx_length != s->sid_ctx_length\n || memcmp(ret->sid_ctx, s->sid_ctx, ret->sid_ctx_length)) {\n goto err;\n }\n if ((s->verify_mode & SSL_VERIFY_PEER) && s->sid_ctx_length == 0) {\n SSLerr(SSL_F_SSL_GET_PREV_SESSION,\n SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);\n fatal = 1;\n goto err;\n }\n if (ret->timeout < (long)(time(NULL) - ret->time)) {\n s->session_ctx->stats.sess_timeout++;\n if (try_session_cache) {\n SSL_CTX_remove_session(s->session_ctx, ret);\n }\n goto err;\n }\n if (ret->flags & SSL_SESS_FLAG_EXTMS) {\n if (!(s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS)) {\n SSLerr(SSL_F_SSL_GET_PREV_SESSION, SSL_R_INCONSISTENT_EXTMS);\n ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);\n fatal = 1;\n goto err;\n }\n } else if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {\n goto err;\n }\n if (!SSL_IS_TLS13(s)) {\n SSL_SESSION_free(s->session);\n s->session = ret;\n }\n s->session_ctx->stats.sess_hit++;\n s->verify_result = s->session->verify_result;\n return 1;\n err:\n if (ret != NULL) {\n SSL_SESSION_free(ret);\n if (SSL_IS_TLS13(s))\n s->session = NULL;\n if (!try_session_cache) {\n s->ext.ticket_expected = 1;\n }\n }\n if (fatal) {\n *al = SSL_AD_INTERNAL_ERROR;\n return -1;\n }\n return 0;\n}', 'int ssl3_send_alert(SSL *s, int level, int desc)\n{\n desc = s->method->ssl3_enc->alert_value(desc);\n if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)\n desc = SSL_AD_HANDSHAKE_FAILURE;\n if (desc < 0)\n return -1;\n if ((level == SSL3_AL_FATAL) && (s->session != NULL))\n SSL_CTX_remove_session(s->session_ctx, s->session);\n s->s3->alert_dispatch = 1;\n s->s3->send_alert[0] = level;\n s->s3->send_alert[1] = desc;\n if (!RECORD_LAYER_write_pending(&s->rlayer)) {\n return s->method->ssl_dispatch_alert(s);\n }\n return -1;\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_THREAD_write_lock(ctx->lock);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n c->not_resumable = 1;\n if (lck)\n CRYPTO_THREAD_unlock(ctx->lock);\n if (ret)\n SSL_SESSION_free(r);\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, c);\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}'] |
16,695 | 0 | https://github.com/openssl/openssl/blob/e72769aa41c3f49e0f39f44de222fc5ac339e3e0/crypto/evp/evp_enc.c/#L289 | static int is_partially_overlapping(const void *ptr1, const void *ptr2,
int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
assert(!overlapped);
return overlapped;
} | ['static int enc_read(BIO *b, char *out, int outl)\n{\n int ret = 0, i;\n BIO_ENC_CTX *ctx;\n BIO *next;\n if (out == NULL)\n return (0);\n ctx = BIO_get_data(b);\n next = BIO_next(b);\n if ((ctx == NULL) || (next == NULL))\n return 0;\n if (ctx->buf_len > 0) {\n i = ctx->buf_len - ctx->buf_off;\n if (i > outl)\n i = outl;\n memcpy(out, &(ctx->buf[ctx->buf_off]), i);\n ret = i;\n out += i;\n outl -= i;\n ctx->buf_off += i;\n if (ctx->buf_len == ctx->buf_off) {\n ctx->buf_len = 0;\n ctx->buf_off = 0;\n }\n }\n while (outl > 0) {\n int buf_len;\n if (ctx->cont <= 0)\n break;\n buf_len = outl + EVP_MAX_BLOCK_LENGTH - 1;\n buf_len -= buf_len % EVP_MAX_BLOCK_LENGTH;\n if (buf_len > ENC_BLOCK_SIZE) {\n buf_len = ENC_BLOCK_SIZE;\n }\n i = BIO_read(next, &(ctx->buf[BUF_OFFSET]), buf_len);\n if (i <= 0) {\n if (!BIO_should_retry(next)) {\n ctx->cont = i;\n i = EVP_CipherFinal_ex(ctx->cipher,\n ctx->buf, &(ctx->buf_len));\n ctx->ok = i;\n ctx->buf_off = 0;\n } else {\n ret = (ret == 0) ? i : ret;\n break;\n }\n } else if (outl >= EVP_MAX_BLOCK_LENGTH) {\n if (!EVP_CipherUpdate(ctx->cipher,\n (unsigned char *)out, &buf_len,\n &(ctx->buf[BUF_OFFSET]), i)) {\n BIO_clear_retry_flags(b);\n return 0;\n }\n ret += buf_len;\n outl -= buf_len;\n out += buf_len;\n continue;\n } else {\n if (!EVP_CipherUpdate(ctx->cipher,\n ctx->buf, &ctx->buf_len,\n &(ctx->buf[BUF_OFFSET]), i)) {\n BIO_clear_retry_flags(b);\n ctx->ok = 0;\n return 0;\n }\n ctx->cont = 1;\n if (ctx->buf_len == 0)\n continue;\n }\n if (ctx->buf_len <= outl)\n i = ctx->buf_len;\n else\n i = outl;\n if (i <= 0)\n break;\n memcpy(out, ctx->buf, i);\n ret += i;\n ctx->buf_off = i;\n outl -= i;\n out += i;\n }\n BIO_clear_retry_flags(b);\n BIO_copy_next_retry(b);\n return ((ret == 0) ? ctx->cont : ret);\n}', 'int BIO_read(BIO *b, void *out, int outl)\n{\n int i;\n long (*cb) (BIO *, int, const char *, int, long, long);\n if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) {\n BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD);\n return (-2);\n }\n cb = b->callback;\n if ((cb != NULL) &&\n ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0))\n return (i);\n if (!b->init) {\n BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED);\n return (-2);\n }\n i = b->method->bread(b, out, outl);\n if (i > 0)\n b->num_read += (uint64_t)i;\n if (cb != NULL)\n i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i);\n return (i);\n}', 'int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n if (ctx->encrypt)\n return EVP_EncryptUpdate(ctx, out, outl, in, inl);\n else\n return EVP_DecryptUpdate(ctx, out, outl, in, inl);\n}', 'int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n int i, j, bl;\n if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {\n if (is_partially_overlapping(out, in, inl)) {\n EVPerr(EVP_F_EVP_ENCRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n i = ctx->cipher->do_cipher(ctx, out, in, inl);\n if (i < 0)\n return 0;\n else\n *outl = i;\n return 1;\n }\n if (inl <= 0) {\n *outl = 0;\n return inl == 0;\n }\n if (is_partially_overlapping(out, in, inl)) {\n EVPerr(EVP_F_EVP_ENCRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n if (ctx->buf_len == 0 && (inl & (ctx->block_mask)) == 0) {\n if (ctx->cipher->do_cipher(ctx, out, in, inl)) {\n *outl = inl;\n return 1;\n } else {\n *outl = 0;\n return 0;\n }\n }\n i = ctx->buf_len;\n bl = ctx->cipher->block_size;\n OPENSSL_assert(bl <= (int)sizeof(ctx->buf));\n if (i != 0) {\n if (bl - i > inl) {\n memcpy(&(ctx->buf[i]), in, inl);\n ctx->buf_len += inl;\n *outl = 0;\n return 1;\n } else {\n j = bl - i;\n memcpy(&(ctx->buf[i]), in, j);\n inl -= j;\n in += j;\n if (is_partially_overlapping(out, in, bl)) {\n\t EVPerr(EVP_F_EVP_ENCRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n if (!ctx->cipher->do_cipher(ctx, out, ctx->buf, bl))\n return 0;\n out += bl;\n *outl = bl;\n }\n } else\n *outl = 0;\n i = inl & (bl - 1);\n inl -= i;\n if (inl > 0) {\n if (!ctx->cipher->do_cipher(ctx, out, in, inl))\n return 0;\n *outl += inl;\n }\n if (i != 0)\n memcpy(ctx->buf, &(in[inl]), i);\n ctx->buf_len = i;\n return 1;\n}', 'static int is_partially_overlapping(const void *ptr1, const void *ptr2,\n int len)\n{\n PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;\n int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |\n (diff > (0 - (PTRDIFF_T)len)));\n assert(!overlapped);\n return overlapped;\n}'] |
16,696 | 0 | https://github.com/libav/libav/blob/490a022d86ef1c506a79744c5a95368af356fc69/libavformat/rtpdec_asf.c/#L116 | int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
{
int ret = 0;
if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {
AVIOContext pb;
RTSPState *rt = s->priv_data;
int len = strlen(p) * 6 / 8;
char *buf = av_mallocz(len);
av_base64_decode(buf, p, len);
if (rtp_asf_fix_header(buf, len) < 0)
av_log(s, AV_LOG_ERROR,
"Failed to fix invalid RTSP-MS/ASF min_pktsize\n");
init_packetizer(&pb, buf, len);
if (rt->asf_ctx) {
av_close_input_stream(rt->asf_ctx);
rt->asf_ctx = NULL;
}
ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &ff_asf_demuxer, NULL);
if (ret < 0)
return ret;
av_metadata_copy(&s->metadata, rt->asf_ctx->metadata, 0);
rt->asf_pb_pos = avio_tell(&pb);
av_free(buf);
rt->asf_ctx->pb = NULL;
}
return ret;
} | ['int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)\n{\n int ret = 0;\n if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {\n AVIOContext pb;\n RTSPState *rt = s->priv_data;\n int len = strlen(p) * 6 / 8;\n char *buf = av_mallocz(len);\n av_base64_decode(buf, p, len);\n if (rtp_asf_fix_header(buf, len) < 0)\n av_log(s, AV_LOG_ERROR,\n "Failed to fix invalid RTSP-MS/ASF min_pktsize\\n");\n init_packetizer(&pb, buf, len);\n if (rt->asf_ctx) {\n av_close_input_stream(rt->asf_ctx);\n rt->asf_ctx = NULL;\n }\n ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &ff_asf_demuxer, NULL);\n if (ret < 0)\n return ret;\n av_metadata_copy(&s->metadata, rt->asf_ctx->metadata, 0);\n rt->asf_pb_pos = avio_tell(&pb);\n av_free(buf);\n rt->asf_ctx->pb = NULL;\n }\n return ret;\n}', '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 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}', 'static void init_packetizer(AVIOContext *pb, uint8_t *buf, int len)\n{\n ffio_init_context(pb, buf, len, 0, NULL, packetizer_read, NULL, NULL);\n pb->pos = len;\n pb->buf_end = buf + len;\n}', 'int ffio_init_context(AVIOContext *s,\n unsigned char *buffer,\n int buffer_size,\n int write_flag,\n void *opaque,\n int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),\n int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),\n int64_t (*seek)(void *opaque, int64_t offset, int whence))\n{\n s->buffer = buffer;\n s->buffer_size = buffer_size;\n s->buf_ptr = buffer;\n s->opaque = opaque;\n url_resetbuf(s, write_flag ? AVIO_WRONLY : AVIO_RDONLY);\n s->write_packet = write_packet;\n s->read_packet = read_packet;\n s->seek = seek;\n s->pos = 0;\n s->must_flush = 0;\n s->eof_reached = 0;\n s->error = 0;\n#if FF_API_OLD_AVIO\n s->is_streamed = 0;\n#endif\n s->seekable = AVIO_SEEKABLE_NORMAL;\n s->max_packet_size = 0;\n s->update_checksum= NULL;\n if(!read_packet && !write_flag){\n s->pos = buffer_size;\n s->buf_end = s->buffer + buffer_size;\n }\n s->read_pause = NULL;\n s->read_seek = NULL;\n return 0;\n}', 'static int url_resetbuf(AVIOContext *s, int flags)\n{\n assert(flags == AVIO_WRONLY || flags == AVIO_RDONLY);\n if (flags & AVIO_WRONLY) {\n s->buf_end = s->buffer + s->buffer_size;\n s->write_flag = 1;\n } else {\n s->buf_end = s->buffer;\n s->write_flag = 0;\n }\n return 0;\n}', 'void av_close_input_stream(AVFormatContext *s)\n{\n flush_packet_queue(s);\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n}'] |
16,697 | 0 | https://github.com/libav/libav/blob/baf35bb4bc4fe7a2a4113c50989d11dd9ef81e76/libavcodec/mpegvideo_enc.c/#L3733 | static int dct_quantize_refine(MpegEncContext *s,
int16_t *block, int16_t *weight, int16_t *orig,
int n, int qscale){
int16_t rem[64];
LOCAL_ALIGNED_16(int16_t, d1, [64]);
const uint8_t *scantable= s->intra_scantable.scantable;
const uint8_t *perm_scantable= s->intra_scantable.permutated;
int run_tab[65];
int prev_run=0;
int prev_level=0;
int qmul, qadd, start_i, last_non_zero, i, dc;
uint8_t * length;
uint8_t * last_length;
int lambda;
int rle_index, run, q = 1, sum;
#ifdef REFINE_STATS
static int count=0;
static int after_last=0;
static int to_zero=0;
static int from_zero=0;
static int raise=0;
static int lower=0;
static int messed_sign=0;
#endif
if(basis[0][0] == 0)
build_basis(s->dsp.idct_permutation);
qmul= qscale*2;
qadd= (qscale-1)|1;
if (s->mb_intra) {
if (!s->h263_aic) {
if (n < 4)
q = s->y_dc_scale;
else
q = s->c_dc_scale;
} else{
q = 1;
qadd=0;
}
q <<= RECON_SHIFT-3;
dc= block[0]*q;
start_i = 1;
length = s->intra_ac_vlc_length;
last_length= s->intra_ac_vlc_last_length;
} else {
dc= 0;
start_i = 0;
length = s->inter_ac_vlc_length;
last_length= s->inter_ac_vlc_last_length;
}
last_non_zero = s->block_last_index[n];
#ifdef REFINE_STATS
{START_TIMER
#endif
dc += (1<<(RECON_SHIFT-1));
for(i=0; i<64; i++){
rem[i]= dc - (orig[i]<<RECON_SHIFT);
}
#ifdef REFINE_STATS
STOP_TIMER("memset rem[]")}
#endif
sum=0;
for(i=0; i<64; i++){
int one= 36;
int qns=4;
int w;
w= FFABS(weight[i]) + qns*one;
w= 15 + (48*qns*one + w/2)/w;
weight[i] = w;
assert(w>0);
assert(w<(1<<6));
sum += w*w;
}
lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
#ifdef REFINE_STATS
{START_TIMER
#endif
run=0;
rle_index=0;
for(i=start_i; i<=last_non_zero; i++){
int j= perm_scantable[i];
const int level= block[j];
int coeff;
if(level){
if(level<0) coeff= qmul*level - qadd;
else coeff= qmul*level + qadd;
run_tab[rle_index++]=run;
run=0;
s->dsp.add_8x8basis(rem, basis[j], coeff);
}else{
run++;
}
}
#ifdef REFINE_STATS
if(last_non_zero>0){
STOP_TIMER("init rem[]")
}
}
{START_TIMER
#endif
for(;;){
int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
int best_coeff=0;
int best_change=0;
int run2, best_unquant_change=0, analyze_gradient;
#ifdef REFINE_STATS
{START_TIMER
#endif
analyze_gradient = last_non_zero > 2 || s->quantizer_noise_shaping >= 3;
if(analyze_gradient){
#ifdef REFINE_STATS
{START_TIMER
#endif
for(i=0; i<64; i++){
int w= weight[i];
d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
}
#ifdef REFINE_STATS
STOP_TIMER("rem*w*w")}
{START_TIMER
#endif
s->dsp.fdct(d1);
#ifdef REFINE_STATS
STOP_TIMER("dct")}
#endif
}
if(start_i){
const int level= block[0];
int change, old_coeff;
assert(s->mb_intra);
old_coeff= q*level;
for(change=-1; change<=1; change+=2){
int new_level= level + change;
int score, new_coeff;
new_coeff= q*new_level;
if(new_coeff >= 2048 || new_coeff < 0)
continue;
score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
if(score<best_score){
best_score= score;
best_coeff= 0;
best_change= change;
best_unquant_change= new_coeff - old_coeff;
}
}
}
run=0;
rle_index=0;
run2= run_tab[rle_index++];
prev_level=0;
prev_run=0;
for(i=start_i; i<64; i++){
int j= perm_scantable[i];
const int level= block[j];
int change, old_coeff;
if(s->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
break;
if(level){
if(level<0) old_coeff= qmul*level - qadd;
else old_coeff= qmul*level + qadd;
run2= run_tab[rle_index++];
}else{
old_coeff=0;
run2--;
assert(run2>=0 || i >= last_non_zero );
}
for(change=-1; change<=1; change+=2){
int new_level= level + change;
int score, new_coeff, unquant_change;
score=0;
if(s->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
continue;
if(new_level){
if(new_level<0) new_coeff= qmul*new_level - qadd;
else new_coeff= qmul*new_level + qadd;
if(new_coeff >= 2048 || new_coeff <= -2048)
continue;
if(level){
if(level < 63 && level > -63){
if(i < last_non_zero)
score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
- length[UNI_AC_ENC_INDEX(run, level+64)];
else
score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
- last_length[UNI_AC_ENC_INDEX(run, level+64)];
}
}else{
assert(FFABS(new_level)==1);
if(analyze_gradient){
int g= d1[ scantable[i] ];
if(g && (g^new_level) >= 0)
continue;
}
if(i < last_non_zero){
int next_i= i + run2 + 1;
int next_level= block[ perm_scantable[next_i] ] + 64;
if(next_level&(~127))
next_level= 0;
if(next_i < last_non_zero)
score += length[UNI_AC_ENC_INDEX(run, 65)]
+ length[UNI_AC_ENC_INDEX(run2, next_level)]
- length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
else
score += length[UNI_AC_ENC_INDEX(run, 65)]
+ last_length[UNI_AC_ENC_INDEX(run2, next_level)]
- last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
}else{
score += last_length[UNI_AC_ENC_INDEX(run, 65)];
if(prev_level){
score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
- last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
}
}
}
}else{
new_coeff=0;
assert(FFABS(level)==1);
if(i < last_non_zero){
int next_i= i + run2 + 1;
int next_level= block[ perm_scantable[next_i] ] + 64;
if(next_level&(~127))
next_level= 0;
if(next_i < last_non_zero)
score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
- length[UNI_AC_ENC_INDEX(run2, next_level)]
- length[UNI_AC_ENC_INDEX(run, 65)];
else
score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
- last_length[UNI_AC_ENC_INDEX(run2, next_level)]
- length[UNI_AC_ENC_INDEX(run, 65)];
}else{
score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
if(prev_level){
score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
- length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
}
}
}
score *= lambda;
unquant_change= new_coeff - old_coeff;
assert((score < 100*lambda && score > -100*lambda) || lambda==0);
score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
if(score<best_score){
best_score= score;
best_coeff= i;
best_change= change;
best_unquant_change= unquant_change;
}
}
if(level){
prev_level= level + 64;
if(prev_level&(~127))
prev_level= 0;
prev_run= run;
run=0;
}else{
run++;
}
}
#ifdef REFINE_STATS
STOP_TIMER("iterative step")}
#endif
if(best_change){
int j= perm_scantable[ best_coeff ];
block[j] += best_change;
if(best_coeff > last_non_zero){
last_non_zero= best_coeff;
assert(block[j]);
#ifdef REFINE_STATS
after_last++;
#endif
}else{
#ifdef REFINE_STATS
if(block[j]){
if(block[j] - best_change){
if(FFABS(block[j]) > FFABS(block[j] - best_change)){
raise++;
}else{
lower++;
}
}else{
from_zero++;
}
}else{
to_zero++;
}
#endif
for(; last_non_zero>=start_i; last_non_zero--){
if(block[perm_scantable[last_non_zero]])
break;
}
}
#ifdef REFINE_STATS
count++;
if(256*256*256*64 % count == 0){
printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
}
#endif
run=0;
rle_index=0;
for(i=start_i; i<=last_non_zero; i++){
int j= perm_scantable[i];
const int level= block[j];
if(level){
run_tab[rle_index++]=run;
run=0;
}else{
run++;
}
}
s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
}else{
break;
}
}
#ifdef REFINE_STATS
if(last_non_zero>0){
STOP_TIMER("iterative search")
}
}
#endif
return last_non_zero;
} | ['static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)\n{\n if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);\n else encode_mb_internal(s, motion_x, motion_y, 16, 8);\n}', 'static av_always_inline void encode_mb_internal(MpegEncContext *s,\n int motion_x, int motion_y,\n int mb_block_height,\n int mb_block_count)\n{\n int16_t weight[8][64];\n int16_t orig[8][64];\n const int mb_x = s->mb_x;\n const int mb_y = s->mb_y;\n int i;\n int skip_dct[8];\n int dct_offset = s->linesize * 8;\n uint8_t *ptr_y, *ptr_cb, *ptr_cr;\n int wrap_y, wrap_c;\n for (i = 0; i < mb_block_count; i++)\n skip_dct[i] = s->skipdct;\n if (s->adaptive_quant) {\n const int last_qp = s->qscale;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n s->lambda = s->lambda_table[mb_xy];\n update_qscale(s);\n if (!(s->mpv_flags & FF_MPV_FLAG_QP_RD)) {\n s->qscale = s->current_picture_ptr->f.qscale_table[mb_xy];\n s->dquant = s->qscale - last_qp;\n if (s->out_format == FMT_H263) {\n s->dquant = av_clip(s->dquant, -2, 2);\n if (s->codec_id == AV_CODEC_ID_MPEG4) {\n if (!s->mb_intra) {\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n if (s->dquant & 1 || s->mv_dir & MV_DIRECT)\n s->dquant = 0;\n }\n if (s->mv_type == MV_TYPE_8X8)\n s->dquant = 0;\n }\n }\n }\n }\n ff_set_qscale(s, last_qp + s->dquant);\n } else if (s->mpv_flags & FF_MPV_FLAG_QP_RD)\n ff_set_qscale(s, s->qscale + s->dquant);\n wrap_y = s->linesize;\n wrap_c = s->uvlinesize;\n ptr_y = s->new_picture.f.data[0] +\n (mb_y * 16 * wrap_y) + mb_x * 16;\n ptr_cb = s->new_picture.f.data[1] +\n (mb_y * mb_block_height * wrap_c) + mb_x * 8;\n ptr_cr = s->new_picture.f.data[2] +\n (mb_y * mb_block_height * wrap_c) + mb_x * 8;\n if (mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) {\n uint8_t *ebuf = s->edge_emu_buffer + 32;\n s->vdsp.emulated_edge_mc(ebuf, ptr_y, wrap_y, 16, 16, mb_x * 16,\n mb_y * 16, s->width, s->height);\n ptr_y = ebuf;\n s->vdsp.emulated_edge_mc(ebuf + 18 * wrap_y, ptr_cb, wrap_c, 8,\n mb_block_height, mb_x * 8, mb_y * 8,\n s->width >> 1, s->height >> 1);\n ptr_cb = ebuf + 18 * wrap_y;\n s->vdsp.emulated_edge_mc(ebuf + 18 * wrap_y + 8, ptr_cr, wrap_c, 8,\n mb_block_height, mb_x * 8, mb_y * 8,\n s->width >> 1, s->height >> 1);\n ptr_cr = ebuf + 18 * wrap_y + 8;\n }\n if (s->mb_intra) {\n if (s->flags & CODEC_FLAG_INTERLACED_DCT) {\n int progressive_score, interlaced_score;\n s->interlaced_dct = 0;\n progressive_score = s->dsp.ildct_cmp[4](s, ptr_y,\n NULL, wrap_y, 8) +\n s->dsp.ildct_cmp[4](s, ptr_y + wrap_y * 8,\n NULL, wrap_y, 8) - 400;\n if (progressive_score > 0) {\n interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y,\n NULL, wrap_y * 2, 8) +\n s->dsp.ildct_cmp[4](s, ptr_y + wrap_y,\n NULL, wrap_y * 2, 8);\n if (progressive_score > interlaced_score) {\n s->interlaced_dct = 1;\n dct_offset = wrap_y;\n wrap_y <<= 1;\n if (s->chroma_format == CHROMA_422)\n wrap_c <<= 1;\n }\n }\n }\n s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);\n s->dsp.get_pixels(s->block[1], ptr_y + 8 , wrap_y);\n s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);\n s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8 , wrap_y);\n if (s->flags & CODEC_FLAG_GRAY) {\n skip_dct[4] = 1;\n skip_dct[5] = 1;\n } else {\n s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);\n s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);\n if (!s->chroma_y_shift) {\n s->dsp.get_pixels(s->block[6],\n ptr_cb + (dct_offset >> 1), wrap_c);\n s->dsp.get_pixels(s->block[7],\n ptr_cr + (dct_offset >> 1), wrap_c);\n }\n }\n } else {\n op_pixels_func (*op_pix)[4];\n qpel_mc_func (*op_qpix)[16];\n uint8_t *dest_y, *dest_cb, *dest_cr;\n dest_y = s->dest[0];\n dest_cb = s->dest[1];\n dest_cr = s->dest[2];\n if ((!s->no_rounding) || s->pict_type == AV_PICTURE_TYPE_B) {\n op_pix = s->dsp.put_pixels_tab;\n op_qpix = s->dsp.put_qpel_pixels_tab;\n } else {\n op_pix = s->dsp.put_no_rnd_pixels_tab;\n op_qpix = s->dsp.put_no_rnd_qpel_pixels_tab;\n }\n if (s->mv_dir & MV_DIR_FORWARD) {\n ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0,\n s->last_picture.f.data,\n op_pix, op_qpix);\n op_pix = s->dsp.avg_pixels_tab;\n op_qpix = s->dsp.avg_qpel_pixels_tab;\n }\n if (s->mv_dir & MV_DIR_BACKWARD) {\n ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1,\n s->next_picture.f.data,\n op_pix, op_qpix);\n }\n if (s->flags & CODEC_FLAG_INTERLACED_DCT) {\n int progressive_score, interlaced_score;\n s->interlaced_dct = 0;\n progressive_score = s->dsp.ildct_cmp[0](s, dest_y,\n ptr_y, wrap_y,\n 8) +\n s->dsp.ildct_cmp[0](s, dest_y + wrap_y * 8,\n ptr_y + wrap_y * 8, wrap_y,\n 8) - 400;\n if (s->avctx->ildct_cmp == FF_CMP_VSSE)\n progressive_score -= 400;\n if (progressive_score > 0) {\n interlaced_score = s->dsp.ildct_cmp[0](s, dest_y,\n ptr_y,\n wrap_y * 2, 8) +\n s->dsp.ildct_cmp[0](s, dest_y + wrap_y,\n ptr_y + wrap_y,\n wrap_y * 2, 8);\n if (progressive_score > interlaced_score) {\n s->interlaced_dct = 1;\n dct_offset = wrap_y;\n wrap_y <<= 1;\n if (s->chroma_format == CHROMA_422)\n wrap_c <<= 1;\n }\n }\n }\n s->dsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);\n s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);\n s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset,\n dest_y + dct_offset, wrap_y);\n s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,\n dest_y + dct_offset + 8, wrap_y);\n if (s->flags & CODEC_FLAG_GRAY) {\n skip_dct[4] = 1;\n skip_dct[5] = 1;\n } else {\n s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);\n s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);\n if (!s->chroma_y_shift) {\n s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset >> 1),\n dest_cb + (dct_offset >> 1), wrap_c);\n s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset >> 1),\n dest_cr + (dct_offset >> 1), wrap_c);\n }\n }\n if (s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] <\n 2 * s->qscale * s->qscale) {\n if (s->dsp.sad[1](NULL, ptr_y , dest_y,\n wrap_y, 8) < 20 * s->qscale)\n skip_dct[0] = 1;\n if (s->dsp.sad[1](NULL, ptr_y + 8,\n dest_y + 8, wrap_y, 8) < 20 * s->qscale)\n skip_dct[1] = 1;\n if (s->dsp.sad[1](NULL, ptr_y + dct_offset,\n dest_y + dct_offset, wrap_y, 8) < 20 * s->qscale)\n skip_dct[2] = 1;\n if (s->dsp.sad[1](NULL, ptr_y + dct_offset + 8,\n dest_y + dct_offset + 8,\n wrap_y, 8) < 20 * s->qscale)\n skip_dct[3] = 1;\n if (s->dsp.sad[1](NULL, ptr_cb, dest_cb,\n wrap_c, 8) < 20 * s->qscale)\n skip_dct[4] = 1;\n if (s->dsp.sad[1](NULL, ptr_cr, dest_cr,\n wrap_c, 8) < 20 * s->qscale)\n skip_dct[5] = 1;\n if (!s->chroma_y_shift) {\n if (s->dsp.sad[1](NULL, ptr_cb + (dct_offset >> 1),\n dest_cb + (dct_offset >> 1),\n wrap_c, 8) < 20 * s->qscale)\n skip_dct[6] = 1;\n if (s->dsp.sad[1](NULL, ptr_cr + (dct_offset >> 1),\n dest_cr + (dct_offset >> 1),\n wrap_c, 8) < 20 * s->qscale)\n skip_dct[7] = 1;\n }\n }\n }\n if (s->quantizer_noise_shaping) {\n if (!skip_dct[0])\n get_visual_weight(weight[0], ptr_y , wrap_y);\n if (!skip_dct[1])\n get_visual_weight(weight[1], ptr_y + 8, wrap_y);\n if (!skip_dct[2])\n get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);\n if (!skip_dct[3])\n get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);\n if (!skip_dct[4])\n get_visual_weight(weight[4], ptr_cb , wrap_c);\n if (!skip_dct[5])\n get_visual_weight(weight[5], ptr_cr , wrap_c);\n if (!s->chroma_y_shift) {\n if (!skip_dct[6])\n get_visual_weight(weight[6], ptr_cb + (dct_offset >> 1),\n wrap_c);\n if (!skip_dct[7])\n get_visual_weight(weight[7], ptr_cr + (dct_offset >> 1),\n wrap_c);\n }\n memcpy(orig[0], s->block[0], sizeof(int16_t) * 64 * mb_block_count);\n }\n assert(s->out_format != FMT_MJPEG || s->qscale == 8);\n {\n for (i = 0; i < mb_block_count; i++) {\n if (!skip_dct[i]) {\n int overflow;\n s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);\n if (overflow)\n clip_coeffs(s, s->block[i], s->block_last_index[i]);\n } else\n s->block_last_index[i] = -1;\n }\n if (s->quantizer_noise_shaping) {\n for (i = 0; i < mb_block_count; i++) {\n if (!skip_dct[i]) {\n s->block_last_index[i] =\n dct_quantize_refine(s, s->block[i], weight[i],\n orig[i], i, s->qscale);\n }\n }\n }\n if (s->luma_elim_threshold && !s->mb_intra)\n for (i = 0; i < 4; i++)\n dct_single_coeff_elimination(s, i, s->luma_elim_threshold);\n if (s->chroma_elim_threshold && !s->mb_intra)\n for (i = 4; i < mb_block_count; i++)\n dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);\n if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {\n for (i = 0; i < mb_block_count; i++) {\n if (s->block_last_index[i] == -1)\n s->coded_score[i] = INT_MAX / 256;\n }\n }\n }\n if ((s->flags & CODEC_FLAG_GRAY) && s->mb_intra) {\n s->block_last_index[4] =\n s->block_last_index[5] = 0;\n s->block[4][0] =\n s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale;\n }\n if (s->alternate_scan && s->dct_quantize != ff_dct_quantize_c) {\n for (i = 0; i < mb_block_count; i++) {\n int j;\n if (s->block_last_index[i] > 0) {\n for (j = 63; j > 0; j--) {\n if (s->block[i][s->intra_scantable.permutated[j]])\n break;\n }\n s->block_last_index[i] = j;\n }\n }\n }\n switch(s->codec_id){\n case AV_CODEC_ID_MPEG1VIDEO:\n case AV_CODEC_ID_MPEG2VIDEO:\n if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)\n ff_mpeg1_encode_mb(s, s->block, motion_x, motion_y);\n break;\n case AV_CODEC_ID_MPEG4:\n if (CONFIG_MPEG4_ENCODER)\n ff_mpeg4_encode_mb(s, s->block, motion_x, motion_y);\n break;\n case AV_CODEC_ID_MSMPEG4V2:\n case AV_CODEC_ID_MSMPEG4V3:\n case AV_CODEC_ID_WMV1:\n if (CONFIG_MSMPEG4_ENCODER)\n ff_msmpeg4_encode_mb(s, s->block, motion_x, motion_y);\n break;\n case AV_CODEC_ID_WMV2:\n if (CONFIG_WMV2_ENCODER)\n ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);\n break;\n case AV_CODEC_ID_H261:\n if (CONFIG_H261_ENCODER)\n ff_h261_encode_mb(s, s->block, motion_x, motion_y);\n break;\n case AV_CODEC_ID_H263:\n case AV_CODEC_ID_H263P:\n case AV_CODEC_ID_FLV1:\n case AV_CODEC_ID_RV10:\n case AV_CODEC_ID_RV20:\n if (CONFIG_H263_ENCODER)\n ff_h263_encode_mb(s, s->block, motion_x, motion_y);\n break;\n case AV_CODEC_ID_MJPEG:\n if (CONFIG_MJPEG_ENCODER)\n ff_mjpeg_encode_mb(s, s->block);\n break;\n default:\n assert(0);\n }\n}', 'static int dct_quantize_refine(MpegEncContext *s,\n int16_t *block, int16_t *weight, int16_t *orig,\n int n, int qscale){\n int16_t rem[64];\n LOCAL_ALIGNED_16(int16_t, d1, [64]);\n const uint8_t *scantable= s->intra_scantable.scantable;\n const uint8_t *perm_scantable= s->intra_scantable.permutated;\n int run_tab[65];\n int prev_run=0;\n int prev_level=0;\n int qmul, qadd, start_i, last_non_zero, i, dc;\n uint8_t * length;\n uint8_t * last_length;\n int lambda;\n int rle_index, run, q = 1, sum;\n#ifdef REFINE_STATS\nstatic int count=0;\nstatic int after_last=0;\nstatic int to_zero=0;\nstatic int from_zero=0;\nstatic int raise=0;\nstatic int lower=0;\nstatic int messed_sign=0;\n#endif\n if(basis[0][0] == 0)\n build_basis(s->dsp.idct_permutation);\n qmul= qscale*2;\n qadd= (qscale-1)|1;\n if (s->mb_intra) {\n if (!s->h263_aic) {\n if (n < 4)\n q = s->y_dc_scale;\n else\n q = s->c_dc_scale;\n } else{\n q = 1;\n qadd=0;\n }\n q <<= RECON_SHIFT-3;\n dc= block[0]*q;\n start_i = 1;\n length = s->intra_ac_vlc_length;\n last_length= s->intra_ac_vlc_last_length;\n } else {\n dc= 0;\n start_i = 0;\n length = s->inter_ac_vlc_length;\n last_length= s->inter_ac_vlc_last_length;\n }\n last_non_zero = s->block_last_index[n];\n#ifdef REFINE_STATS\n{START_TIMER\n#endif\n dc += (1<<(RECON_SHIFT-1));\n for(i=0; i<64; i++){\n rem[i]= dc - (orig[i]<<RECON_SHIFT);\n }\n#ifdef REFINE_STATS\nSTOP_TIMER("memset rem[]")}\n#endif\n sum=0;\n for(i=0; i<64; i++){\n int one= 36;\n int qns=4;\n int w;\n w= FFABS(weight[i]) + qns*one;\n w= 15 + (48*qns*one + w/2)/w;\n weight[i] = w;\n assert(w>0);\n assert(w<(1<<6));\n sum += w*w;\n }\n lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);\n#ifdef REFINE_STATS\n{START_TIMER\n#endif\n run=0;\n rle_index=0;\n for(i=start_i; i<=last_non_zero; i++){\n int j= perm_scantable[i];\n const int level= block[j];\n int coeff;\n if(level){\n if(level<0) coeff= qmul*level - qadd;\n else coeff= qmul*level + qadd;\n run_tab[rle_index++]=run;\n run=0;\n s->dsp.add_8x8basis(rem, basis[j], coeff);\n }else{\n run++;\n }\n }\n#ifdef REFINE_STATS\nif(last_non_zero>0){\nSTOP_TIMER("init rem[]")\n}\n}\n{START_TIMER\n#endif\n for(;;){\n int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);\n int best_coeff=0;\n int best_change=0;\n int run2, best_unquant_change=0, analyze_gradient;\n#ifdef REFINE_STATS\n{START_TIMER\n#endif\n analyze_gradient = last_non_zero > 2 || s->quantizer_noise_shaping >= 3;\n if(analyze_gradient){\n#ifdef REFINE_STATS\n{START_TIMER\n#endif\n for(i=0; i<64; i++){\n int w= weight[i];\n d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);\n }\n#ifdef REFINE_STATS\nSTOP_TIMER("rem*w*w")}\n{START_TIMER\n#endif\n s->dsp.fdct(d1);\n#ifdef REFINE_STATS\nSTOP_TIMER("dct")}\n#endif\n }\n if(start_i){\n const int level= block[0];\n int change, old_coeff;\n assert(s->mb_intra);\n old_coeff= q*level;\n for(change=-1; change<=1; change+=2){\n int new_level= level + change;\n int score, new_coeff;\n new_coeff= q*new_level;\n if(new_coeff >= 2048 || new_coeff < 0)\n continue;\n score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);\n if(score<best_score){\n best_score= score;\n best_coeff= 0;\n best_change= change;\n best_unquant_change= new_coeff - old_coeff;\n }\n }\n }\n run=0;\n rle_index=0;\n run2= run_tab[rle_index++];\n prev_level=0;\n prev_run=0;\n for(i=start_i; i<64; i++){\n int j= perm_scantable[i];\n const int level= block[j];\n int change, old_coeff;\n if(s->quantizer_noise_shaping < 3 && i > last_non_zero + 1)\n break;\n if(level){\n if(level<0) old_coeff= qmul*level - qadd;\n else old_coeff= qmul*level + qadd;\n run2= run_tab[rle_index++];\n }else{\n old_coeff=0;\n run2--;\n assert(run2>=0 || i >= last_non_zero );\n }\n for(change=-1; change<=1; change+=2){\n int new_level= level + change;\n int score, new_coeff, unquant_change;\n score=0;\n if(s->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))\n continue;\n if(new_level){\n if(new_level<0) new_coeff= qmul*new_level - qadd;\n else new_coeff= qmul*new_level + qadd;\n if(new_coeff >= 2048 || new_coeff <= -2048)\n continue;\n if(level){\n if(level < 63 && level > -63){\n if(i < last_non_zero)\n score += length[UNI_AC_ENC_INDEX(run, new_level+64)]\n - length[UNI_AC_ENC_INDEX(run, level+64)];\n else\n score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]\n - last_length[UNI_AC_ENC_INDEX(run, level+64)];\n }\n }else{\n assert(FFABS(new_level)==1);\n if(analyze_gradient){\n int g= d1[ scantable[i] ];\n if(g && (g^new_level) >= 0)\n continue;\n }\n if(i < last_non_zero){\n int next_i= i + run2 + 1;\n int next_level= block[ perm_scantable[next_i] ] + 64;\n if(next_level&(~127))\n next_level= 0;\n if(next_i < last_non_zero)\n score += length[UNI_AC_ENC_INDEX(run, 65)]\n + length[UNI_AC_ENC_INDEX(run2, next_level)]\n - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];\n else\n score += length[UNI_AC_ENC_INDEX(run, 65)]\n + last_length[UNI_AC_ENC_INDEX(run2, next_level)]\n - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];\n }else{\n score += last_length[UNI_AC_ENC_INDEX(run, 65)];\n if(prev_level){\n score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]\n - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];\n }\n }\n }\n }else{\n new_coeff=0;\n assert(FFABS(level)==1);\n if(i < last_non_zero){\n int next_i= i + run2 + 1;\n int next_level= block[ perm_scantable[next_i] ] + 64;\n if(next_level&(~127))\n next_level= 0;\n if(next_i < last_non_zero)\n score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]\n - length[UNI_AC_ENC_INDEX(run2, next_level)]\n - length[UNI_AC_ENC_INDEX(run, 65)];\n else\n score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]\n - last_length[UNI_AC_ENC_INDEX(run2, next_level)]\n - length[UNI_AC_ENC_INDEX(run, 65)];\n }else{\n score += -last_length[UNI_AC_ENC_INDEX(run, 65)];\n if(prev_level){\n score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]\n - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];\n }\n }\n }\n score *= lambda;\n unquant_change= new_coeff - old_coeff;\n assert((score < 100*lambda && score > -100*lambda) || lambda==0);\n score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);\n if(score<best_score){\n best_score= score;\n best_coeff= i;\n best_change= change;\n best_unquant_change= unquant_change;\n }\n }\n if(level){\n prev_level= level + 64;\n if(prev_level&(~127))\n prev_level= 0;\n prev_run= run;\n run=0;\n }else{\n run++;\n }\n }\n#ifdef REFINE_STATS\nSTOP_TIMER("iterative step")}\n#endif\n if(best_change){\n int j= perm_scantable[ best_coeff ];\n block[j] += best_change;\n if(best_coeff > last_non_zero){\n last_non_zero= best_coeff;\n assert(block[j]);\n#ifdef REFINE_STATS\nafter_last++;\n#endif\n }else{\n#ifdef REFINE_STATS\nif(block[j]){\n if(block[j] - best_change){\n if(FFABS(block[j]) > FFABS(block[j] - best_change)){\n raise++;\n }else{\n lower++;\n }\n }else{\n from_zero++;\n }\n}else{\n to_zero++;\n}\n#endif\n for(; last_non_zero>=start_i; last_non_zero--){\n if(block[perm_scantable[last_non_zero]])\n break;\n }\n }\n#ifdef REFINE_STATS\ncount++;\nif(256*256*256*64 % count == 0){\n printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);\n}\n#endif\n run=0;\n rle_index=0;\n for(i=start_i; i<=last_non_zero; i++){\n int j= perm_scantable[i];\n const int level= block[j];\n if(level){\n run_tab[rle_index++]=run;\n run=0;\n }else{\n run++;\n }\n }\n s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);\n }else{\n break;\n }\n }\n#ifdef REFINE_STATS\nif(last_non_zero>0){\nSTOP_TIMER("iterative search")\n}\n}\n#endif\n return last_non_zero;\n}'] |
16,698 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/error_resilience.c/#L395 | static void guess_mv(MpegEncContext *s){
uint8_t fixed[s->mb_stride * s->mb_height];
#define MV_FROZEN 3
#define MV_CHANGED 2
#define MV_UNCHANGED 1
const int mb_stride = s->mb_stride;
const int mb_width = s->mb_width;
const int mb_height= s->mb_height;
int i, depth, num_avail;
int mb_x, mb_y;
num_avail=0;
for(i=0; i<s->mb_num; i++){
const int mb_xy= s->mb_index2xy[ i ];
int f=0;
int error= s->error_status_table[mb_xy];
if(IS_INTRA(s->current_picture.mb_type[mb_xy])) f=MV_FROZEN;
if(!(error&MV_ERROR)) f=MV_FROZEN;
fixed[mb_xy]= f;
if(f==MV_FROZEN)
num_avail++;
}
if((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || num_avail <= mb_width/2){
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_xy= mb_x + mb_y*s->mb_stride;
if(IS_INTRA(s->current_picture.mb_type[mb_xy])) continue;
if(!(s->error_status_table[mb_xy]&MV_ERROR)) continue;
s->mv_dir = MV_DIR_FORWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
s->mb_skipped=0;
s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
s->mv[0][0][0]= 0;
s->mv[0][0][1]= 0;
decode_mb(s);
}
}
return;
}
for(depth=0;; depth++){
int changed, pass, none_left;
none_left=1;
changed=1;
for(pass=0; (changed || pass<2) && pass<10; pass++){
int mb_x, mb_y;
int score_sum=0;
changed=0;
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_xy= mb_x + mb_y*s->mb_stride;
int mv_predictor[8][2]={{0}};
int pred_count=0;
int j;
int best_score=256*256*256*64;
int best_pred=0;
const int mot_stride= s->b8_stride;
const int mot_index= mb_x*2 + mb_y*2*mot_stride;
int prev_x= s->current_picture.motion_val[0][mot_index][0];
int prev_y= s->current_picture.motion_val[0][mot_index][1];
if((mb_x^mb_y^pass)&1) continue;
if(fixed[mb_xy]==MV_FROZEN) continue;
assert(!IS_INTRA(s->current_picture.mb_type[mb_xy]));
assert(s->last_picture_ptr && s->last_picture_ptr->data[0]);
j=0;
if(mb_x>0 && fixed[mb_xy-1 ]==MV_FROZEN) j=1;
if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_FROZEN) j=1;
if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_FROZEN) j=1;
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_FROZEN) j=1;
if(j==0) continue;
j=0;
if(mb_x>0 && fixed[mb_xy-1 ]==MV_CHANGED) j=1;
if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_CHANGED) j=1;
if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_CHANGED) j=1;
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_CHANGED) j=1;
if(j==0 && pass>1) continue;
none_left=0;
if(mb_x>0 && fixed[mb_xy-1]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - 2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - 2][1];
pred_count++;
}
if(mb_x+1<mb_width && fixed[mb_xy+1]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + 2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + 2][1];
pred_count++;
}
if(mb_y>0 && fixed[mb_xy-mb_stride]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - mot_stride*2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - mot_stride*2][1];
pred_count++;
}
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + mot_stride*2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + mot_stride*2][1];
pred_count++;
}
if(pred_count==0) continue;
if(pred_count>1){
int sum_x=0, sum_y=0;
int max_x, max_y, min_x, min_y;
for(j=0; j<pred_count; j++){
sum_x+= mv_predictor[j][0];
sum_y+= mv_predictor[j][1];
}
mv_predictor[pred_count][0] = sum_x/j;
mv_predictor[pred_count][1] = sum_y/j;
if(pred_count>=3){
min_y= min_x= 99999;
max_y= max_x=-99999;
}else{
min_x=min_y=max_x=max_y=0;
}
for(j=0; j<pred_count; j++){
max_x= FFMAX(max_x, mv_predictor[j][0]);
max_y= FFMAX(max_y, mv_predictor[j][1]);
min_x= FFMIN(min_x, mv_predictor[j][0]);
min_y= FFMIN(min_y, mv_predictor[j][1]);
}
mv_predictor[pred_count+1][0] = sum_x - max_x - min_x;
mv_predictor[pred_count+1][1] = sum_y - max_y - min_y;
if(pred_count==4){
mv_predictor[pred_count+1][0] /= 2;
mv_predictor[pred_count+1][1] /= 2;
}
pred_count+=2;
}
pred_count++;
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index][1];
pred_count++;
s->mv_dir = MV_DIR_FORWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
s->mb_skipped=0;
s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
for(j=0; j<pred_count; j++){
int score=0;
uint8_t *src= s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;
s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[j][0];
s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[j][1];
decode_mb(s);
if(mb_x>0 && fixed[mb_xy-1]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k*s->linesize-1 ]-src[k*s->linesize ]);
}
if(mb_x+1<mb_width && fixed[mb_xy+1]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k*s->linesize+15]-src[k*s->linesize+16]);
}
if(mb_y>0 && fixed[mb_xy-mb_stride]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k-s->linesize ]-src[k ]);
}
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){
int k;
for(k=0; k<16; k++)
score += FFABS(src[k+s->linesize*15]-src[k+s->linesize*16]);
}
if(score <= best_score){
best_score= score;
best_pred= j;
}
}
score_sum+= best_score;
s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[best_pred][0];
s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[best_pred][1];
decode_mb(s);
if(s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y){
fixed[mb_xy]=MV_CHANGED;
changed++;
}else
fixed[mb_xy]=MV_UNCHANGED;
}
}
}
if(none_left)
return;
for(i=0; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if(fixed[mb_xy])
fixed[mb_xy]=MV_FROZEN;
}
}
} | ['static void guess_mv(MpegEncContext *s){\n uint8_t fixed[s->mb_stride * s->mb_height];\n#define MV_FROZEN 3\n#define MV_CHANGED 2\n#define MV_UNCHANGED 1\n const int mb_stride = s->mb_stride;\n const int mb_width = s->mb_width;\n const int mb_height= s->mb_height;\n int i, depth, num_avail;\n int mb_x, mb_y;\n num_avail=0;\n for(i=0; i<s->mb_num; i++){\n const int mb_xy= s->mb_index2xy[ i ];\n int f=0;\n int error= s->error_status_table[mb_xy];\n if(IS_INTRA(s->current_picture.mb_type[mb_xy])) f=MV_FROZEN;\n if(!(error&MV_ERROR)) f=MV_FROZEN;\n fixed[mb_xy]= f;\n if(f==MV_FROZEN)\n num_avail++;\n }\n if((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || num_avail <= mb_width/2){\n for(mb_y=0; mb_y<s->mb_height; mb_y++){\n for(mb_x=0; mb_x<s->mb_width; mb_x++){\n const int mb_xy= mb_x + mb_y*s->mb_stride;\n if(IS_INTRA(s->current_picture.mb_type[mb_xy])) continue;\n if(!(s->error_status_table[mb_xy]&MV_ERROR)) continue;\n s->mv_dir = MV_DIR_FORWARD;\n s->mb_intra=0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped=0;\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x= mb_x;\n s->mb_y= mb_y;\n s->mv[0][0][0]= 0;\n s->mv[0][0][1]= 0;\n decode_mb(s);\n }\n }\n return;\n }\n for(depth=0;; depth++){\n int changed, pass, none_left;\n none_left=1;\n changed=1;\n for(pass=0; (changed || pass<2) && pass<10; pass++){\n int mb_x, mb_y;\nint score_sum=0;\n changed=0;\n for(mb_y=0; mb_y<s->mb_height; mb_y++){\n for(mb_x=0; mb_x<s->mb_width; mb_x++){\n const int mb_xy= mb_x + mb_y*s->mb_stride;\n int mv_predictor[8][2]={{0}};\n int pred_count=0;\n int j;\n int best_score=256*256*256*64;\n int best_pred=0;\n const int mot_stride= s->b8_stride;\n const int mot_index= mb_x*2 + mb_y*2*mot_stride;\n int prev_x= s->current_picture.motion_val[0][mot_index][0];\n int prev_y= s->current_picture.motion_val[0][mot_index][1];\n if((mb_x^mb_y^pass)&1) continue;\n if(fixed[mb_xy]==MV_FROZEN) continue;\n assert(!IS_INTRA(s->current_picture.mb_type[mb_xy]));\n assert(s->last_picture_ptr && s->last_picture_ptr->data[0]);\n j=0;\n if(mb_x>0 && fixed[mb_xy-1 ]==MV_FROZEN) j=1;\n if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_FROZEN) j=1;\n if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_FROZEN) j=1;\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_FROZEN) j=1;\n if(j==0) continue;\n j=0;\n if(mb_x>0 && fixed[mb_xy-1 ]==MV_CHANGED) j=1;\n if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_CHANGED) j=1;\n if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_CHANGED) j=1;\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_CHANGED) j=1;\n if(j==0 && pass>1) continue;\n none_left=0;\n if(mb_x>0 && fixed[mb_xy-1]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - 2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - 2][1];\n pred_count++;\n }\n if(mb_x+1<mb_width && fixed[mb_xy+1]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + 2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + 2][1];\n pred_count++;\n }\n if(mb_y>0 && fixed[mb_xy-mb_stride]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - mot_stride*2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - mot_stride*2][1];\n pred_count++;\n }\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + mot_stride*2][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + mot_stride*2][1];\n pred_count++;\n }\n if(pred_count==0) continue;\n if(pred_count>1){\n int sum_x=0, sum_y=0;\n int max_x, max_y, min_x, min_y;\n for(j=0; j<pred_count; j++){\n sum_x+= mv_predictor[j][0];\n sum_y+= mv_predictor[j][1];\n }\n mv_predictor[pred_count][0] = sum_x/j;\n mv_predictor[pred_count][1] = sum_y/j;\n if(pred_count>=3){\n min_y= min_x= 99999;\n max_y= max_x=-99999;\n }else{\n min_x=min_y=max_x=max_y=0;\n }\n for(j=0; j<pred_count; j++){\n max_x= FFMAX(max_x, mv_predictor[j][0]);\n max_y= FFMAX(max_y, mv_predictor[j][1]);\n min_x= FFMIN(min_x, mv_predictor[j][0]);\n min_y= FFMIN(min_y, mv_predictor[j][1]);\n }\n mv_predictor[pred_count+1][0] = sum_x - max_x - min_x;\n mv_predictor[pred_count+1][1] = sum_y - max_y - min_y;\n if(pred_count==4){\n mv_predictor[pred_count+1][0] /= 2;\n mv_predictor[pred_count+1][1] /= 2;\n }\n pred_count+=2;\n }\n pred_count++;\n mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index][0];\n mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index][1];\n pred_count++;\n s->mv_dir = MV_DIR_FORWARD;\n s->mb_intra=0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped=0;\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x= mb_x;\n s->mb_y= mb_y;\n for(j=0; j<pred_count; j++){\n int score=0;\n uint8_t *src= s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;\n s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[j][0];\n s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[j][1];\n decode_mb(s);\n if(mb_x>0 && fixed[mb_xy-1]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k*s->linesize-1 ]-src[k*s->linesize ]);\n }\n if(mb_x+1<mb_width && fixed[mb_xy+1]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k*s->linesize+15]-src[k*s->linesize+16]);\n }\n if(mb_y>0 && fixed[mb_xy-mb_stride]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k-s->linesize ]-src[k ]);\n }\n if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){\n int k;\n for(k=0; k<16; k++)\n score += FFABS(src[k+s->linesize*15]-src[k+s->linesize*16]);\n }\n if(score <= best_score){\n best_score= score;\n best_pred= j;\n }\n }\nscore_sum+= best_score;\n s->current_picture.motion_val[0][mot_index][0]= s->mv[0][0][0]= mv_predictor[best_pred][0];\n s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[best_pred][1];\n decode_mb(s);\n if(s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y){\n fixed[mb_xy]=MV_CHANGED;\n changed++;\n }else\n fixed[mb_xy]=MV_UNCHANGED;\n }\n }\n }\n if(none_left)\n return;\n for(i=0; i<s->mb_num; i++){\n int mb_xy= s->mb_index2xy[i];\n if(fixed[mb_xy])\n fixed[mb_xy]=MV_FROZEN;\n }\n }\n}'] |
16,699 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/crypto/bn/bn_ctx.c/#L270 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,\n const BIGNUM *x, const BIGNUM *a, const BIGNUM *u)\n{\n BIGNUM *tmp = NULL, *tmp2 = NULL, *tmp3 = NULL, *k = NULL, *K = NULL;\n BN_CTX *bn_ctx;\n if (u == NULL || B == NULL || N == NULL || g == NULL || x == NULL\n || a == NULL || (bn_ctx = BN_CTX_new()) == NULL)\n return NULL;\n if ((tmp = BN_new()) == NULL ||\n (tmp2 = BN_new()) == NULL ||\n (tmp3 = BN_new()) == NULL)\n goto err;\n if (!BN_mod_exp(tmp, g, x, N, bn_ctx))\n goto err;\n if ((k = srp_Calc_k(N, g)) == NULL)\n goto err;\n if (!BN_mod_mul(tmp2, tmp, k, N, bn_ctx))\n goto err;\n if (!BN_mod_sub(tmp, B, tmp2, N, bn_ctx))\n goto err;\n if (!BN_mul(tmp3, u, x, bn_ctx))\n goto err;\n if (!BN_add(tmp2, a, tmp3))\n goto err;\n K = BN_new();\n if (K != NULL && !BN_mod_exp(K, tmp, tmp2, N, bn_ctx)) {\n BN_free(K);\n K = NULL;\n }\n err:\n BN_CTX_free(bn_ctx);\n BN_clear_free(tmp);\n BN_clear_free(tmp2);\n BN_clear_free(tmp3);\n BN_free(k);\n return K;\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_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n BN_MONT_CTX *mont = NULL;\n int b, bits, ret = 0;\n int r_is_one;\n BN_ULONG w, next_w;\n BIGNUM *r, *t;\n BIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n (BN_mul_word(r, (w)) && \\\n ( \\\n (BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))\n#define BN_TO_MONTGOMERY_WORD(r, w, mont) \\\n (BN_set_word(r, (w)) && BN_to_montgomery(r, r, (mont), ctx))\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n if (m->top == 1)\n a %= m->d[0];\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_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 if (a == 0) {\n BN_zero(rr);\n ret = 1;\n return ret;\n }\n BN_CTX_start(ctx);\n r = BN_CTX_get(ctx);\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n r_is_one = 1;\n w = a;\n for (b = bits - 2; b >= 0; b--) {\n next_w = w * w;\n if ((next_w / w) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = 1;\n }\n w = next_w;\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (BN_is_bit_set(p, b)) {\n next_w = w * a;\n if ((next_w / a) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = a;\n }\n w = next_w;\n }\n }\n if (w != 1) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n }\n if (r_is_one) {\n if (!BN_one(rr))\n goto err;\n } else {\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n }\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', '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_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)\n mont->RR.d[i] = 0;\n mont->RR.top = ret;\n mont->RR.flags |= BN_FLG_FIXED_TOP;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int ret;\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (divisor->d[divisor->top - 1] == 0) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);\n if (ret) {\n if (dv != NULL)\n bn_correct_top(dv);\n if (rm != NULL)\n bn_correct_top(rm);\n }\n return ret;\n}', 'int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n const BIGNUM *divisor, BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnum, *wnumtop;\n BN_ULONG d0, d1;\n int num_n, div_n;\n assert(divisor->top > 0 && divisor->d[divisor->top - 1] != 0);\n bn_check_top(num);\n bn_check_top(divisor);\n bn_check_top(dv);\n bn_check_top(rm);\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n if (!BN_copy(sdiv, divisor))\n goto err;\n norm_shift = bn_left_align(sdiv);\n sdiv->neg = 0;\n if (!(bn_lshift_fixed_top(snum, num, norm_shift)))\n goto err;\n div_n = sdiv->top;\n num_n = snum->top;\n if (num_n <= div_n) {\n if (bn_wexpand(snum, div_n + 1) == NULL)\n goto err;\n memset(&(snum->d[num_n]), 0, (div_n - num_n + 1) * sizeof(BN_ULONG));\n snum->top = num_n = div_n + 1;\n }\n loop = num_n - div_n;\n wnum = &(snum->d[loop]);\n wnumtop = &(snum->d[num_n - 1]);\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n if (!bn_wexpand(res, loop))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop;\n res->flags |= BN_FLG_FIXED_TOP;\n resp = &(res->d[loop]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n for (i = 0; i < loop; i++, wnumtop--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnumtop, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnumtop[0];\n n1 = wnumtop[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n BN_ULONG n2 = (wnumtop == wnum) ? 0 : wnumtop[-2];\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | n2))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= n2)))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum--;\n l0 = bn_sub_words(wnum, wnum, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum, wnum, tmp->d, div_n);\n (*wnumtop) += l0;\n assert((*wnumtop) == 0);\n *--resp = q;\n }\n snum->neg = num->neg;\n snum->top = div_n;\n snum->flags |= BN_FLG_FIXED_TOP;\n if (rm != NULL)\n bn_rshift_fixed_top(rm, snum, norm_shift);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
16,700 | 0 | https://github.com/openssl/openssl/blob/b1860d6c71733314417d053a72af66ae72e8268e/crypto/bn/bn_lib.c/#L295 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['static int rsa_builtin_keygen(RSA *rsa, int bits, int primes, BIGNUM *e_value,\n BN_GENCB *cb)\n{\n BIGNUM *r0 = NULL, *r1 = NULL, *r2 = NULL, *tmp, *prime;\n int ok = -1, n = 0, bitsr[RSA_MAX_PRIME_NUM], bitse = 0;\n int i = 0, quo = 0, rmd = 0, adj = 0, retries = 0;\n RSA_PRIME_INFO *pinfo = NULL;\n STACK_OF(RSA_PRIME_INFO) *prime_infos = NULL;\n BN_CTX *ctx = NULL;\n BN_ULONG bitst = 0;\n unsigned long error = 0;\n if (bits < RSA_MIN_MODULUS_BITS) {\n ok = 0;\n RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, RSA_R_KEY_SIZE_TOO_SMALL);\n goto err;\n }\n if (primes < RSA_DEFAULT_PRIME_NUM || primes > rsa_multip_cap(bits)) {\n ok = 0;\n RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, RSA_R_KEY_PRIME_NUM_INVALID);\n goto err;\n }\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 if (r2 == NULL)\n goto err;\n quo = bits / primes;\n rmd = bits % primes;\n for (i = 0; i < primes; i++)\n bitsr[i] = (i < rmd) ? quo + 1 : quo;\n if (!rsa->n && ((rsa->n = BN_new()) == NULL))\n goto err;\n if (!rsa->d && ((rsa->d = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->e && ((rsa->e = BN_new()) == NULL))\n goto err;\n if (!rsa->p && ((rsa->p = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->q && ((rsa->q = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->dmp1 && ((rsa->dmp1 = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->dmq1 && ((rsa->dmq1 = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->iqmp && ((rsa->iqmp = BN_secure_new()) == NULL))\n goto err;\n if (primes > RSA_DEFAULT_PRIME_NUM) {\n rsa->version = RSA_ASN1_VERSION_MULTI;\n prime_infos = sk_RSA_PRIME_INFO_new_reserve(NULL, primes - 2);\n if (prime_infos == NULL)\n goto err;\n if (rsa->prime_infos != NULL) {\n sk_RSA_PRIME_INFO_pop_free(rsa->prime_infos, rsa_multip_info_free);\n }\n rsa->prime_infos = prime_infos;\n for (i = 2; i < primes; i++) {\n pinfo = rsa_multip_info_new();\n if (pinfo == NULL)\n goto err;\n (void)sk_RSA_PRIME_INFO_push(prime_infos, pinfo);\n }\n }\n if (BN_copy(rsa->e, e_value) == NULL)\n goto err;\n for (i = 0; i < primes; i++) {\n adj = 0;\n retries = 0;\n if (i == 0) {\n prime = rsa->p;\n } else if (i == 1) {\n prime = rsa->q;\n } else {\n pinfo = sk_RSA_PRIME_INFO_value(prime_infos, i - 2);\n prime = pinfo->r;\n }\n BN_set_flags(prime, BN_FLG_CONSTTIME);\n for (;;) {\n redo:\n if (!BN_generate_prime_ex(prime, bitsr[i] + adj, 0, NULL, NULL, cb))\n goto err;\n {\n int j;\n for (j = 0; j < i; j++) {\n BIGNUM *prev_prime;\n if (j == 0)\n prev_prime = rsa->p;\n else if (j == 1)\n prev_prime = rsa->q;\n else\n prev_prime = sk_RSA_PRIME_INFO_value(prime_infos,\n j - 2)->r;\n if (!BN_cmp(prime, prev_prime)) {\n goto redo;\n }\n }\n }\n if (!BN_sub(r2, prime, BN_value_one()))\n goto err;\n ERR_set_mark();\n BN_set_flags(r2, BN_FLG_CONSTTIME);\n if (BN_mod_inverse(r1, r2, rsa->e, ctx) != NULL) {\n break;\n }\n error = ERR_peek_last_error();\n if (ERR_GET_LIB(error) == ERR_LIB_BN\n && ERR_GET_REASON(error) == BN_R_NO_INVERSE) {\n ERR_pop_to_mark();\n } else {\n goto err;\n }\n if (!BN_GENCB_call(cb, 2, n++))\n goto err;\n }\n bitse += bitsr[i];\n if (i == 1) {\n if (!BN_mul(r1, rsa->p, rsa->q, ctx))\n goto err;\n } else if (i != 0) {\n if (!BN_mul(r1, rsa->n, prime, ctx))\n goto err;\n } else {\n if (!BN_GENCB_call(cb, 3, i))\n goto err;\n continue;\n }\n if (!BN_rshift(r2, r1, bitse - 4))\n goto err;\n bitst = BN_get_word(r2);\n if (bitst < 0x9 || bitst > 0xF) {\n bitse -= bitsr[i];\n if (!BN_GENCB_call(cb, 2, n++))\n goto err;\n if (primes > 4) {\n if (bitst < 0x9)\n adj++;\n else\n adj--;\n } else if (retries == 4) {\n i = -1;\n bitse = 0;\n continue;\n }\n retries++;\n goto redo;\n }\n if (i > 1 && BN_copy(pinfo->pp, rsa->n) == NULL)\n goto err;\n if (BN_copy(rsa->n, r1) == NULL)\n goto err;\n if (!BN_GENCB_call(cb, 3, i))\n goto err;\n }\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_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 for (i = 2; i < primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(prime_infos, i - 2);\n if (!BN_sub(pinfo->d, pinfo->r, BN_value_one()))\n goto err;\n if (!BN_mul(r0, r0, pinfo->d, ctx))\n goto err;\n }\n {\n BIGNUM *pr0 = BN_new();\n if (pr0 == NULL)\n goto err;\n BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);\n if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx)) {\n BN_free(pr0);\n goto err;\n }\n BN_free(pr0);\n }\n {\n BIGNUM *d = BN_new();\n if (d == NULL)\n goto err;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (!BN_mod(rsa->dmp1, d, r1, ctx)\n || !BN_mod(rsa->dmq1, d, r2, ctx)) {\n BN_free(d);\n goto err;\n }\n for (i = 2; i < primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(prime_infos, i - 2);\n if (!BN_mod(pinfo->d, d, pinfo->d, ctx)) {\n BN_free(d);\n goto err;\n }\n }\n BN_free(d);\n }\n {\n BIGNUM *p = BN_new();\n if (p == NULL)\n goto err;\n BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);\n if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx)) {\n BN_free(p);\n goto err;\n }\n for (i = 2; i < primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(prime_infos, i - 2);\n BN_with_flags(p, pinfo->r, BN_FLG_CONSTTIME);\n if (!BN_mod_inverse(pinfo->t, pinfo->pp, p, ctx)) {\n BN_free(p);\n goto err;\n }\n }\n BN_free(p);\n }\n ok = 1;\n err:\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 return ok;\n}', 'int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int ret, r_neg, cmp_res;\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg != b->neg) {\n r_neg = a->neg;\n ret = BN_uadd(r, a, b);\n } else {\n cmp_res = BN_ucmp(a, b);\n if (cmp_res > 0) {\n r_neg = a->neg;\n ret = BN_usub(r, a, b);\n } else if (cmp_res < 0) {\n r_neg = !b->neg;\n ret = BN_usub(r, b, a);\n } else {\n r_neg = 0;\n BN_zero(r);\n ret = 1;\n }\n }\n r->neg = r_neg;\n bn_check_top(r);\n return ret;\n}', 'int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n BN_ULONG t1, t2, borrow, *rp;\n const BN_ULONG *ap, *bp;\n bn_check_top(a);\n bn_check_top(b);\n max = a->top;\n min = b->top;\n dif = max - min;\n if (dif < 0) {\n BNerr(BN_F_BN_USUB, BN_R_ARG2_LT_ARG3);\n return 0;\n }\n if (bn_wexpand(r, max) == NULL)\n return 0;\n ap = a->d;\n bp = b->d;\n rp = r->d;\n borrow = bn_sub_words(rp, ap, bp, min);\n ap += min;\n rp += min;\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 - borrow) & BN_MASK2;\n *(rp++) = t2;\n borrow &= (t1 == 0);\n }\n while (max && *--rp == 0)\n max--;\n r->top = max;\n r->neg = 0;\n bn_pollute(r);\n return 1;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->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}'] |
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