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1 | /* crypto/evp/m_md5_sha1.c */ |
2 | /* | |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
4 | * project. | |
5 | */ | |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2015 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
14 | * notice, this list of conditions and the following disclaimer. | |
15 | * | |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | */ | |
54 | ||
55 | #if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_SHA1) | |
56 | ||
57 | # include <openssl/evp.h> | |
58 | # include <openssl/objects.h> | |
59 | # include <openssl/x509.h> | |
60 | # include <openssl/md5.h> | |
61 | # include <openssl/sha.h> | |
62 | # ifndef OPENSSL_NO_RSA | |
63 | # include <openssl/rsa.h> | |
64 | # endif | |
65 | ||
66 | struct md5_sha1_ctx { | |
67 | MD5_CTX md5; | |
68 | SHA_CTX sha1; | |
69 | }; | |
70 | ||
71 | static int init(EVP_MD_CTX *ctx) | |
72 | { | |
73 | struct md5_sha1_ctx *mctx = ctx->md_data; | |
74 | if (!MD5_Init(&mctx->md5)) | |
75 | return 0; | |
76 | return SHA1_Init(&mctx->sha1); | |
77 | } | |
78 | ||
79 | static int update(EVP_MD_CTX *ctx, const void *data, size_t count) | |
80 | { | |
81 | struct md5_sha1_ctx *mctx = ctx->md_data; | |
82 | if (!MD5_Update(&mctx->md5, data, count)) | |
83 | return 0; | |
84 | return SHA1_Update(&mctx->sha1, data, count); | |
85 | } | |
86 | ||
87 | static int final(EVP_MD_CTX *ctx, unsigned char *md) | |
88 | { | |
89 | struct md5_sha1_ctx *mctx = ctx->md_data; | |
90 | if (!MD5_Final(md, &mctx->md5)) | |
91 | return 0; | |
92 | return SHA1_Final(md + MD5_DIGEST_LENGTH, &mctx->sha1); | |
93 | } | |
94 | ||
95 | static const EVP_MD md5_sha1_md = { | |
96 | NID_md5_sha1, | |
97 | NID_md5_sha1, | |
98 | MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH, | |
99 | 0, | |
100 | init, | |
101 | update, | |
102 | final, | |
103 | NULL, | |
104 | NULL, | |
105 | EVP_PKEY_RSA_method, | |
106 | MD5_CBLOCK, | |
107 | sizeof(EVP_MD *) + sizeof(struct md5_sha1_ctx), | |
108 | }; | |
109 | ||
110 | const EVP_MD *EVP_md5_sha1(void) | |
111 | { | |
112 | return &md5_sha1_md; | |
113 | } | |
114 | #endif |