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Hakase
2019-07-13 19:13:22 +09:00
parent 9a23f88dc2
commit 2e57f602ae
542 changed files with 17287 additions and 6184 deletions
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crypto/evp/m_sha1.c
+2 -56
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@@ -32,63 +32,9 @@ static int final(EVP_MD_CTX *ctx, unsigned char *md)
return SHA1_Final(md, EVP_MD_CTX_md_data(ctx));
}
static int ctrl(EVP_MD_CTX *ctx, int cmd, int mslen, void *ms)
static int ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)
{
unsigned char padtmp[40];
unsigned char sha1tmp[SHA_DIGEST_LENGTH];
SHA_CTX *sha1;
if (cmd != EVP_CTRL_SSL3_MASTER_SECRET)
return -2;
if (ctx == NULL)
return 0;
sha1 = EVP_MD_CTX_md_data(ctx);
/* SSLv3 client auth handling: see RFC-6101 5.6.8 */
if (mslen != 48)
return 0;
/* At this point hash contains all handshake messages, update
* with master secret and pad_1.
*/
if (SHA1_Update(sha1, ms, mslen) <= 0)
return 0;
/* Set padtmp to pad_1 value */
memset(padtmp, 0x36, sizeof(padtmp));
if (!SHA1_Update(sha1, padtmp, sizeof(padtmp)))
return 0;
if (!SHA1_Final(sha1tmp, sha1))
return 0;
/* Reinitialise context */
if (!SHA1_Init(sha1))
return 0;
if (SHA1_Update(sha1, ms, mslen) <= 0)
return 0;
/* Set padtmp to pad_2 value */
memset(padtmp, 0x5c, sizeof(padtmp));
if (!SHA1_Update(sha1, padtmp, sizeof(padtmp)))
return 0;
if (!SHA1_Update(sha1, sha1tmp, sizeof(sha1tmp)))
return 0;
/* Now when ctx is finalised it will return the SSL v3 hash value */
OPENSSL_cleanse(sha1tmp, sizeof(sha1tmp));
return 1;
return sha1_ctrl(ctx != NULL ? EVP_MD_CTX_md_data(ctx) : NULL, cmd, p1, p2);
}
static const EVP_MD sha1_md = {