2 * Copyright 2015-2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * MD5 and SHA-1 low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
17 #include "prov/md5_sha1.h"
18 #include <openssl/evp.h>
20 int md5_sha1_init(MD5_SHA1_CTX *mctx)
22 if (!MD5_Init(&mctx->md5))
24 return SHA1_Init(&mctx->sha1);
27 int md5_sha1_update(MD5_SHA1_CTX *mctx, const void *data, size_t count)
29 if (!MD5_Update(&mctx->md5, data, count))
31 return SHA1_Update(&mctx->sha1, data, count);
34 int md5_sha1_final(unsigned char *md, MD5_SHA1_CTX *mctx)
36 if (!MD5_Final(md, &mctx->md5))
38 return SHA1_Final(md + MD5_DIGEST_LENGTH, &mctx->sha1);
41 int md5_sha1_ctrl(MD5_SHA1_CTX *mctx, int cmd, int mslen, void *ms)
43 unsigned char padtmp[48];
44 unsigned char md5tmp[MD5_DIGEST_LENGTH];
45 unsigned char sha1tmp[SHA_DIGEST_LENGTH];
47 if (cmd != EVP_CTRL_SSL3_MASTER_SECRET)
53 /* SSLv3 client auth handling: see RFC-6101 5.6.8 */
57 /* At this point hash contains all handshake messages, update
58 * with master secret and pad_1.
61 if (md5_sha1_update(mctx, ms, mslen) <= 0)
64 /* Set padtmp to pad_1 value */
65 memset(padtmp, 0x36, sizeof(padtmp));
67 if (!MD5_Update(&mctx->md5, padtmp, sizeof(padtmp)))
70 if (!MD5_Final(md5tmp, &mctx->md5))
73 if (!SHA1_Update(&mctx->sha1, padtmp, 40))
76 if (!SHA1_Final(sha1tmp, &mctx->sha1))
79 /* Reinitialise context */
81 if (!md5_sha1_init(mctx))
84 if (md5_sha1_update(mctx, ms, mslen) <= 0)
87 /* Set padtmp to pad_2 value */
88 memset(padtmp, 0x5c, sizeof(padtmp));
90 if (!MD5_Update(&mctx->md5, padtmp, sizeof(padtmp)))
93 if (!MD5_Update(&mctx->md5, md5tmp, sizeof(md5tmp)))
96 if (!SHA1_Update(&mctx->sha1, padtmp, 40))
99 if (!SHA1_Update(&mctx->sha1, sha1tmp, sizeof(sha1tmp)))
102 /* Now when ctx is finalised it will return the SSL v3 hash value */
104 OPENSSL_cleanse(md5tmp, sizeof(md5tmp));
105 OPENSSL_cleanse(sha1tmp, sizeof(sha1tmp));