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authorcvs2svn <admin@example.com>2004-03-22 14:57:04 +0000
committercvs2svn <admin@example.com>2004-03-22 14:57:04 +0000
commit8e32b76f8c63e27a8c61f3e7d76a05ce1f419061 (patch)
tree03dad5c33d913f60f2a0a8df81dfdfb65788c5d9 /src/lib/libcrypto/hmac
parentc051a3c4a24fa90cc755059f99d5c2e7131d5ca7 (diff)
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Diffstat (limited to 'src/lib/libcrypto/hmac')
-rw-r--r--src/lib/libcrypto/hmac/hmac.c173
-rw-r--r--src/lib/libcrypto/hmac/hmac.h106
2 files changed, 0 insertions, 279 deletions
diff --git a/src/lib/libcrypto/hmac/hmac.c b/src/lib/libcrypto/hmac/hmac.c
deleted file mode 100644
index 4c91f919d5..0000000000
--- a/src/lib/libcrypto/hmac/hmac.c
+++ /dev/null
@@ -1,173 +0,0 @@
1/* crypto/hmac/hmac.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58#include <stdio.h>
59#include <stdlib.h>
60#include <string.h>
61#include <openssl/hmac.h>
62#include "cryptlib.h"
63
64void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
65 const EVP_MD *md, ENGINE *impl)
66 {
67 int i,j,reset=0;
68 unsigned char pad[HMAC_MAX_MD_CBLOCK];
69
70 if (md != NULL)
71 {
72 reset=1;
73 ctx->md=md;
74 }
75 else
76 md=ctx->md;
77
78 if (key != NULL)
79 {
80 reset=1;
81 j=EVP_MD_block_size(md);
82 OPENSSL_assert(j <= sizeof ctx->key);
83 if (j < len)
84 {
85 EVP_DigestInit_ex(&ctx->md_ctx,md, impl);
86 EVP_DigestUpdate(&ctx->md_ctx,key,len);
87 EVP_DigestFinal_ex(&(ctx->md_ctx),ctx->key,
88 &ctx->key_length);
89 }
90 else
91 {
92 OPENSSL_assert(len <= sizeof ctx->key);
93 memcpy(ctx->key,key,len);
94 ctx->key_length=len;
95 }
96 if(ctx->key_length != HMAC_MAX_MD_CBLOCK)
97 memset(&ctx->key[ctx->key_length], 0,
98 HMAC_MAX_MD_CBLOCK - ctx->key_length);
99 }
100
101 if (reset)
102 {
103 for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
104 pad[i]=0x36^ctx->key[i];
105 EVP_DigestInit_ex(&ctx->i_ctx,md, impl);
106 EVP_DigestUpdate(&ctx->i_ctx,pad,EVP_MD_block_size(md));
107
108 for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
109 pad[i]=0x5c^ctx->key[i];
110 EVP_DigestInit_ex(&ctx->o_ctx,md, impl);
111 EVP_DigestUpdate(&ctx->o_ctx,pad,EVP_MD_block_size(md));
112 }
113 EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->i_ctx);
114 }
115
116void HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
117 const EVP_MD *md)
118 {
119 if(key && md)
120 HMAC_CTX_init(ctx);
121 HMAC_Init_ex(ctx,key,len,md, NULL);
122 }
123
124void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len)
125 {
126 EVP_DigestUpdate(&ctx->md_ctx,data,len);
127 }
128
129void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
130 {
131 int j;
132 unsigned int i;
133 unsigned char buf[EVP_MAX_MD_SIZE];
134
135 j=EVP_MD_block_size(ctx->md);
136
137 EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i);
138 EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->o_ctx);
139 EVP_DigestUpdate(&ctx->md_ctx,buf,i);
140 EVP_DigestFinal_ex(&ctx->md_ctx,md,len);
141 }
142
143void HMAC_CTX_init(HMAC_CTX *ctx)
144 {
145 EVP_MD_CTX_init(&ctx->i_ctx);
146 EVP_MD_CTX_init(&ctx->o_ctx);
147 EVP_MD_CTX_init(&ctx->md_ctx);
148 }
149
150void HMAC_CTX_cleanup(HMAC_CTX *ctx)
151 {
152 EVP_MD_CTX_cleanup(&ctx->i_ctx);
153 EVP_MD_CTX_cleanup(&ctx->o_ctx);
154 EVP_MD_CTX_cleanup(&ctx->md_ctx);
155 memset(ctx,0,sizeof *ctx);
156 }
157
158unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
159 const unsigned char *d, int n, unsigned char *md,
160 unsigned int *md_len)
161 {
162 HMAC_CTX c;
163 static unsigned char m[EVP_MAX_MD_SIZE];
164
165 if (md == NULL) md=m;
166 HMAC_CTX_init(&c);
167 HMAC_Init(&c,key,key_len,evp_md);
168 HMAC_Update(&c,d,n);
169 HMAC_Final(&c,md,md_len);
170 HMAC_CTX_cleanup(&c);
171 return(md);
172 }
173
diff --git a/src/lib/libcrypto/hmac/hmac.h b/src/lib/libcrypto/hmac/hmac.h
deleted file mode 100644
index 0364a1fcbd..0000000000
--- a/src/lib/libcrypto/hmac/hmac.h
+++ /dev/null
@@ -1,106 +0,0 @@
1/* crypto/hmac/hmac.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58#ifndef HEADER_HMAC_H
59#define HEADER_HMAC_H
60
61#ifdef OPENSSL_NO_HMAC
62#error HMAC is disabled.
63#endif
64
65#include <openssl/evp.h>
66
67#define HMAC_MAX_MD_CBLOCK 64
68
69#ifdef __cplusplus
70extern "C" {
71#endif
72
73typedef struct hmac_ctx_st
74 {
75 const EVP_MD *md;
76 EVP_MD_CTX md_ctx;
77 EVP_MD_CTX i_ctx;
78 EVP_MD_CTX o_ctx;
79 unsigned int key_length;
80 unsigned char key[HMAC_MAX_MD_CBLOCK];
81 } HMAC_CTX;
82
83#define HMAC_size(e) (EVP_MD_size((e)->md))
84
85
86void HMAC_CTX_init(HMAC_CTX *ctx);
87void HMAC_CTX_cleanup(HMAC_CTX *ctx);
88
89#define HMAC_cleanup(ctx) HMAC_CTX_cleanup(ctx) /* deprecated */
90
91void HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
92 const EVP_MD *md); /* deprecated */
93void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
94 const EVP_MD *md, ENGINE *impl);
95void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len);
96void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len);
97unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
98 const unsigned char *d, int n, unsigned char *md,
99 unsigned int *md_len);
100
101
102#ifdef __cplusplus
103}
104#endif
105
106#endif
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