2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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 #include "internal/cryptlib.h"
13 #include <openssl/evp.h>
14 #include <openssl/objects.h>
15 #include <openssl/sha.h>
16 #include <openssl/rsa.h>
17 #include "internal/evp_int.h"
18 #include "internal/sha.h"
20 static int init(EVP_MD_CTX *ctx)
22 return SHA1_Init(EVP_MD_CTX_md_data(ctx));
25 static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
27 return SHA1_Update(EVP_MD_CTX_md_data(ctx), data, count);
30 static int final(EVP_MD_CTX *ctx, unsigned char *md)
32 return SHA1_Final(md, EVP_MD_CTX_md_data(ctx));
35 static int ctrl(EVP_MD_CTX *ctx, int cmd, int mslen, void *ms)
37 unsigned char padtmp[40];
38 unsigned char sha1tmp[SHA_DIGEST_LENGTH];
42 if (cmd != EVP_CTRL_SSL3_MASTER_SECRET)
48 sha1 = EVP_MD_CTX_md_data(ctx);
50 /* SSLv3 client auth handling: see RFC-6101 5.6.8 */
54 /* At this point hash contains all handshake messages, update
55 * with master secret and pad_1.
58 if (SHA1_Update(sha1, ms, mslen) <= 0)
61 /* Set padtmp to pad_1 value */
62 memset(padtmp, 0x36, sizeof(padtmp));
64 if (!SHA1_Update(sha1, padtmp, sizeof(padtmp)))
67 if (!SHA1_Final(sha1tmp, sha1))
70 /* Reinitialise context */
75 if (SHA1_Update(sha1, ms, mslen) <= 0)
78 /* Set padtmp to pad_2 value */
79 memset(padtmp, 0x5c, sizeof(padtmp));
81 if (!SHA1_Update(sha1, padtmp, sizeof(padtmp)))
84 if (!SHA1_Update(sha1, sha1tmp, sizeof(sha1tmp)))
87 /* Now when ctx is finalised it will return the SSL v3 hash value */
88 OPENSSL_cleanse(sha1tmp, sizeof(sha1tmp));
94 static const EVP_MD sha1_md = {
96 NID_sha1WithRSAEncryption,
98 EVP_MD_FLAG_DIGALGID_ABSENT,
105 sizeof(EVP_MD *) + sizeof(SHA_CTX),
109 const EVP_MD *EVP_sha1(void)
114 static int init224(EVP_MD_CTX *ctx)
116 return SHA224_Init(EVP_MD_CTX_md_data(ctx));
119 static int update224(EVP_MD_CTX *ctx, const void *data, size_t count)
121 return SHA224_Update(EVP_MD_CTX_md_data(ctx), data, count);
124 static int final224(EVP_MD_CTX *ctx, unsigned char *md)
126 return SHA224_Final(md, EVP_MD_CTX_md_data(ctx));
129 static int init256(EVP_MD_CTX *ctx)
131 return SHA256_Init(EVP_MD_CTX_md_data(ctx));
134 static int update256(EVP_MD_CTX *ctx, const void *data, size_t count)
136 return SHA256_Update(EVP_MD_CTX_md_data(ctx), data, count);
139 static int final256(EVP_MD_CTX *ctx, unsigned char *md)
141 return SHA256_Final(md, EVP_MD_CTX_md_data(ctx));
144 static const EVP_MD sha224_md = {
146 NID_sha224WithRSAEncryption,
147 SHA224_DIGEST_LENGTH,
148 EVP_MD_FLAG_DIGALGID_ABSENT,
155 sizeof(EVP_MD *) + sizeof(SHA256_CTX),
158 const EVP_MD *EVP_sha224(void)
163 static const EVP_MD sha256_md = {
165 NID_sha256WithRSAEncryption,
166 SHA256_DIGEST_LENGTH,
167 EVP_MD_FLAG_DIGALGID_ABSENT,
174 sizeof(EVP_MD *) + sizeof(SHA256_CTX),
177 const EVP_MD *EVP_sha256(void)
182 static int init512_224(EVP_MD_CTX *ctx)
184 return sha512_224_init(EVP_MD_CTX_md_data(ctx));
187 static int init512_256(EVP_MD_CTX *ctx)
189 return sha512_256_init(EVP_MD_CTX_md_data(ctx));
192 static int init384(EVP_MD_CTX *ctx)
194 return SHA384_Init(EVP_MD_CTX_md_data(ctx));
197 static int update384(EVP_MD_CTX *ctx, const void *data, size_t count)
199 return SHA384_Update(EVP_MD_CTX_md_data(ctx), data, count);
202 static int final384(EVP_MD_CTX *ctx, unsigned char *md)
204 return SHA384_Final(md, EVP_MD_CTX_md_data(ctx));
207 static int init512(EVP_MD_CTX *ctx)
209 return SHA512_Init(EVP_MD_CTX_md_data(ctx));
212 /* See comment in SHA224/256 section */
213 static int update512(EVP_MD_CTX *ctx, const void *data, size_t count)
215 return SHA512_Update(EVP_MD_CTX_md_data(ctx), data, count);
218 static int final512(EVP_MD_CTX *ctx, unsigned char *md)
220 return SHA512_Final(md, EVP_MD_CTX_md_data(ctx));
223 static const EVP_MD sha512_224_md = {
225 NID_sha512_224WithRSAEncryption,
226 SHA224_DIGEST_LENGTH,
227 EVP_MD_FLAG_DIGALGID_ABSENT,
234 sizeof(EVP_MD *) + sizeof(SHA512_CTX),
237 const EVP_MD *EVP_sha512_224(void)
239 return &sha512_224_md;
242 static const EVP_MD sha512_256_md = {
244 NID_sha512_256WithRSAEncryption,
245 SHA256_DIGEST_LENGTH,
246 EVP_MD_FLAG_DIGALGID_ABSENT,
253 sizeof(EVP_MD *) + sizeof(SHA512_CTX),
256 const EVP_MD *EVP_sha512_256(void)
258 return &sha512_256_md;
261 static const EVP_MD sha384_md = {
263 NID_sha384WithRSAEncryption,
264 SHA384_DIGEST_LENGTH,
265 EVP_MD_FLAG_DIGALGID_ABSENT,
272 sizeof(EVP_MD *) + sizeof(SHA512_CTX),
275 const EVP_MD *EVP_sha384(void)
280 static const EVP_MD sha512_md = {
282 NID_sha512WithRSAEncryption,
283 SHA512_DIGEST_LENGTH,
284 EVP_MD_FLAG_DIGALGID_ABSENT,
291 sizeof(EVP_MD *) + sizeof(SHA512_CTX),
294 const EVP_MD *EVP_sha512(void)