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-rw-r--r--src/lib/libcrypto/hmac/hm_ameth.c167
-rw-r--r--src/lib/libcrypto/hmac/hm_pmeth.c271
-rw-r--r--src/lib/libcrypto/hmac/hmac.c214
-rw-r--r--src/lib/libcrypto/hmac/hmac.h110
4 files changed, 762 insertions, 0 deletions
diff --git a/src/lib/libcrypto/hmac/hm_ameth.c b/src/lib/libcrypto/hmac/hm_ameth.c
new file mode 100644
index 0000000000..e03f24aeda
--- /dev/null
+++ b/src/lib/libcrypto/hmac/hm_ameth.c
@@ -0,0 +1,167 @@
1/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
2 * project 2007.
3 */
4/* ====================================================================
5 * Copyright (c) 2007 The OpenSSL Project. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
23 *
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
28 *
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
32 *
33 * 6. Redistributions of any form whatsoever must retain the following
34 * acknowledgment:
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
37 *
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
55 *
56 */
57
58#include <stdio.h>
59#include "cryptlib.h"
60#include <openssl/evp.h>
61#include "asn1_locl.h"
62
63#define HMAC_TEST_PRIVATE_KEY_FORMAT
64
65/* HMAC "ASN1" method. This is just here to indicate the
66 * maximum HMAC output length and to free up an HMAC
67 * key.
68 */
69
70static int hmac_size(const EVP_PKEY *pkey)
71 {
72 return EVP_MAX_MD_SIZE;
73 }
74
75static void hmac_key_free(EVP_PKEY *pkey)
76 {
77 ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
78 if (os)
79 {
80 if (os->data)
81 OPENSSL_cleanse(os->data, os->length);
82 ASN1_OCTET_STRING_free(os);
83 }
84 }
85
86
87static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
88 {
89 switch (op)
90 {
91 case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
92 *(int *)arg2 = NID_sha1;
93 return 1;
94
95 default:
96 return -2;
97 }
98 }
99
100#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
101/* A bogus private key format for test purposes. This is simply the
102 * HMAC key with "HMAC PRIVATE KEY" in the headers. When enabled the
103 * genpkey utility can be used to "generate" HMAC keys.
104 */
105
106static int old_hmac_decode(EVP_PKEY *pkey,
107 const unsigned char **pder, int derlen)
108 {
109 ASN1_OCTET_STRING *os;
110 os = ASN1_OCTET_STRING_new();
111 if (!os || !ASN1_OCTET_STRING_set(os, *pder, derlen))
112 return 0;
113 EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os);
114 return 1;
115 }
116
117static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)
118 {
119 int inc;
120 ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
121 if (pder)
122 {
123 if (!*pder)
124 {
125 *pder = OPENSSL_malloc(os->length);
126 inc = 0;
127 }
128 else inc = 1;
129
130 memcpy(*pder, os->data, os->length);
131
132 if (inc)
133 *pder += os->length;
134 }
135
136 return os->length;
137 }
138
139#endif
140
141const EVP_PKEY_ASN1_METHOD hmac_asn1_meth =
142 {
143 EVP_PKEY_HMAC,
144 EVP_PKEY_HMAC,
145 0,
146
147 "HMAC",
148 "OpenSSL HMAC method",
149
150 0,0,0,0,
151
152 0,0,0,
153
154 hmac_size,
155 0,
156 0,0,0,0,0,0,0,
157
158 hmac_key_free,
159 hmac_pkey_ctrl,
160#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
161 old_hmac_decode,
162 old_hmac_encode
163#else
164 0,0
165#endif
166 };
167
diff --git a/src/lib/libcrypto/hmac/hm_pmeth.c b/src/lib/libcrypto/hmac/hm_pmeth.c
new file mode 100644
index 0000000000..0daa44511d
--- /dev/null
+++ b/src/lib/libcrypto/hmac/hm_pmeth.c
@@ -0,0 +1,271 @@
1/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
2 * project 2007.
3 */
4/* ====================================================================
5 * Copyright (c) 2007 The OpenSSL Project. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
23 *
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
28 *
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
32 *
33 * 6. Redistributions of any form whatsoever must retain the following
34 * acknowledgment:
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
37 *
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
55 *
56 */
57
58#include <stdio.h>
59#include "cryptlib.h"
60#include <openssl/x509.h>
61#include <openssl/x509v3.h>
62#include <openssl/evp.h>
63#include <openssl/hmac.h>
64#include "evp_locl.h"
65
66/* HMAC pkey context structure */
67
68typedef struct
69 {
70 const EVP_MD *md; /* MD for HMAC use */
71 ASN1_OCTET_STRING ktmp; /* Temp storage for key */
72 HMAC_CTX ctx;
73 } HMAC_PKEY_CTX;
74
75static int pkey_hmac_init(EVP_PKEY_CTX *ctx)
76 {
77 HMAC_PKEY_CTX *hctx;
78 hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX));
79 if (!hctx)
80 return 0;
81 hctx->md = NULL;
82 hctx->ktmp.data = NULL;
83 hctx->ktmp.length = 0;
84 hctx->ktmp.flags = 0;
85 hctx->ktmp.type = V_ASN1_OCTET_STRING;
86 HMAC_CTX_init(&hctx->ctx);
87
88 ctx->data = hctx;
89 ctx->keygen_info_count = 0;
90
91 return 1;
92 }
93
94static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
95 {
96 HMAC_PKEY_CTX *sctx, *dctx;
97 if (!pkey_hmac_init(dst))
98 return 0;
99 sctx = src->data;
100 dctx = dst->data;
101 dctx->md = sctx->md;
102 HMAC_CTX_init(&dctx->ctx);
103 if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
104 return 0;
105 if (sctx->ktmp.data)
106 {
107 if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
108 sctx->ktmp.data, sctx->ktmp.length))
109 return 0;
110 }
111 return 1;
112 }
113
114static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
115 {
116 HMAC_PKEY_CTX *hctx = ctx->data;
117 HMAC_CTX_cleanup(&hctx->ctx);
118 if (hctx->ktmp.data)
119 {
120 if (hctx->ktmp.length)
121 OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
122 OPENSSL_free(hctx->ktmp.data);
123 hctx->ktmp.data = NULL;
124 }
125 OPENSSL_free(hctx);
126 }
127
128static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
129 {
130 ASN1_OCTET_STRING *hkey = NULL;
131 HMAC_PKEY_CTX *hctx = ctx->data;
132 if (!hctx->ktmp.data)
133 return 0;
134 hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
135 if (!hkey)
136 return 0;
137 EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
138
139 return 1;
140 }
141
142static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
143 {
144 HMAC_PKEY_CTX *hctx = ctx->pctx->data;
145 if (!HMAC_Update(&hctx->ctx, data, count))
146 return 0;
147 return 1;
148 }
149
150static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
151 {
152 HMAC_PKEY_CTX *hctx = ctx->data;
153 HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
154 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
155 mctx->update = int_update;
156 return 1;
157 }
158
159static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
160 EVP_MD_CTX *mctx)
161 {
162 unsigned int hlen;
163 HMAC_PKEY_CTX *hctx = ctx->data;
164 int l = EVP_MD_CTX_size(mctx);
165
166 if (l < 0)
167 return 0;
168 *siglen = l;
169 if (!sig)
170 return 1;
171
172 if (!HMAC_Final(&hctx->ctx, sig, &hlen))
173 return 0;
174 *siglen = (size_t)hlen;
175 return 1;
176 }
177
178static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
179 {
180 HMAC_PKEY_CTX *hctx = ctx->data;
181 ASN1_OCTET_STRING *key;
182 switch (type)
183 {
184
185 case EVP_PKEY_CTRL_SET_MAC_KEY:
186 if ((!p2 && p1 > 0) || (p1 < -1))
187 return 0;
188 if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
189 return 0;
190 break;
191
192 case EVP_PKEY_CTRL_MD:
193 hctx->md = p2;
194 break;
195
196 case EVP_PKEY_CTRL_DIGESTINIT:
197 key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
198 if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
199 ctx->engine))
200 return 0;
201 break;
202
203 default:
204 return -2;
205
206 }
207 return 1;
208 }
209
210static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
211 const char *type, const char *value)
212 {
213 if (!value)
214 {
215 return 0;
216 }
217 if (!strcmp(type, "key"))
218 {
219 void *p = (void *)value;
220 return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
221 -1, p);
222 }
223 if (!strcmp(type, "hexkey"))
224 {
225 unsigned char *key;
226 int r;
227 long keylen;
228 key = string_to_hex(value, &keylen);
229 if (!key)
230 return 0;
231 r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
232 OPENSSL_free(key);
233 return r;
234 }
235 return -2;
236 }
237
238const EVP_PKEY_METHOD hmac_pkey_meth =
239 {
240 EVP_PKEY_HMAC,
241 0,
242 pkey_hmac_init,
243 pkey_hmac_copy,
244 pkey_hmac_cleanup,
245
246 0, 0,
247
248 0,
249 pkey_hmac_keygen,
250
251 0, 0,
252
253 0, 0,
254
255 0,0,
256
257 hmac_signctx_init,
258 hmac_signctx,
259
260 0,0,
261
262 0,0,
263
264 0,0,
265
266 0,0,
267
268 pkey_hmac_ctrl,
269 pkey_hmac_ctrl_str
270
271 };
diff --git a/src/lib/libcrypto/hmac/hmac.c b/src/lib/libcrypto/hmac/hmac.c
new file mode 100644
index 0000000000..6c98fc43a3
--- /dev/null
+++ b/src/lib/libcrypto/hmac/hmac.c
@@ -0,0 +1,214 @@
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 "cryptlib.h"
62#include <openssl/hmac.h>
63
64int 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 <= (int)sizeof(ctx->key));
83 if (j < len)
84 {
85 if (!EVP_DigestInit_ex(&ctx->md_ctx,md, impl))
86 goto err;
87 if (!EVP_DigestUpdate(&ctx->md_ctx,key,len))
88 goto err;
89 if (!EVP_DigestFinal_ex(&(ctx->md_ctx),ctx->key,
90 &ctx->key_length))
91 goto err;
92 }
93 else
94 {
95 OPENSSL_assert(len>=0 && len<=(int)sizeof(ctx->key));
96 memcpy(ctx->key,key,len);
97 ctx->key_length=len;
98 }
99 if(ctx->key_length != HMAC_MAX_MD_CBLOCK)
100 memset(&ctx->key[ctx->key_length], 0,
101 HMAC_MAX_MD_CBLOCK - ctx->key_length);
102 }
103
104 if (reset)
105 {
106 for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
107 pad[i]=0x36^ctx->key[i];
108 if (!EVP_DigestInit_ex(&ctx->i_ctx,md, impl))
109 goto err;
110 if (!EVP_DigestUpdate(&ctx->i_ctx,pad,EVP_MD_block_size(md)))
111 goto err;
112
113 for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
114 pad[i]=0x5c^ctx->key[i];
115 if (!EVP_DigestInit_ex(&ctx->o_ctx,md, impl))
116 goto err;
117 if (!EVP_DigestUpdate(&ctx->o_ctx,pad,EVP_MD_block_size(md)))
118 goto err;
119 }
120 if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->i_ctx))
121 goto err;
122 return 1;
123 err:
124 return 0;
125 }
126
127int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
128 {
129 if(key && md)
130 HMAC_CTX_init(ctx);
131 return HMAC_Init_ex(ctx,key,len,md, NULL);
132 }
133
134int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
135 {
136 return EVP_DigestUpdate(&ctx->md_ctx,data,len);
137 }
138
139int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
140 {
141 unsigned int i;
142 unsigned char buf[EVP_MAX_MD_SIZE];
143
144 if (!EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i))
145 goto err;
146 if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->o_ctx))
147 goto err;
148 if (!EVP_DigestUpdate(&ctx->md_ctx,buf,i))
149 goto err;
150 if (!EVP_DigestFinal_ex(&ctx->md_ctx,md,len))
151 goto err;
152 return 1;
153 err:
154 return 0;
155 }
156
157void HMAC_CTX_init(HMAC_CTX *ctx)
158 {
159 EVP_MD_CTX_init(&ctx->i_ctx);
160 EVP_MD_CTX_init(&ctx->o_ctx);
161 EVP_MD_CTX_init(&ctx->md_ctx);
162 }
163
164int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
165 {
166 if (!EVP_MD_CTX_copy(&dctx->i_ctx, &sctx->i_ctx))
167 goto err;
168 if (!EVP_MD_CTX_copy(&dctx->o_ctx, &sctx->o_ctx))
169 goto err;
170 if (!EVP_MD_CTX_copy(&dctx->md_ctx, &sctx->md_ctx))
171 goto err;
172 memcpy(dctx->key, sctx->key, HMAC_MAX_MD_CBLOCK);
173 dctx->key_length = sctx->key_length;
174 dctx->md = sctx->md;
175 return 1;
176 err:
177 return 0;
178 }
179
180void HMAC_CTX_cleanup(HMAC_CTX *ctx)
181 {
182 EVP_MD_CTX_cleanup(&ctx->i_ctx);
183 EVP_MD_CTX_cleanup(&ctx->o_ctx);
184 EVP_MD_CTX_cleanup(&ctx->md_ctx);
185 memset(ctx,0,sizeof *ctx);
186 }
187
188unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
189 const unsigned char *d, size_t n, unsigned char *md,
190 unsigned int *md_len)
191 {
192 HMAC_CTX c;
193 static unsigned char m[EVP_MAX_MD_SIZE];
194
195 if (md == NULL) md=m;
196 HMAC_CTX_init(&c);
197 if (!HMAC_Init(&c,key,key_len,evp_md))
198 goto err;
199 if (!HMAC_Update(&c,d,n))
200 goto err;
201 if (!HMAC_Final(&c,md,md_len))
202 goto err;
203 HMAC_CTX_cleanup(&c);
204 return md;
205 err:
206 return NULL;
207 }
208
209void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
210 {
211 EVP_MD_CTX_set_flags(&ctx->i_ctx, flags);
212 EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
213 EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
214 }
diff --git a/src/lib/libcrypto/hmac/hmac.h b/src/lib/libcrypto/hmac/hmac.h
new file mode 100644
index 0000000000..1be0022190
--- /dev/null
+++ b/src/lib/libcrypto/hmac/hmac.h
@@ -0,0 +1,110 @@
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#include <openssl/opensslconf.h>
62
63#ifdef OPENSSL_NO_HMAC
64#error HMAC is disabled.
65#endif
66
67#include <openssl/evp.h>
68
69#define HMAC_MAX_MD_CBLOCK 128 /* largest known is SHA512 */
70
71#ifdef __cplusplus
72extern "C" {
73#endif
74
75typedef struct hmac_ctx_st
76 {
77 const EVP_MD *md;
78 EVP_MD_CTX md_ctx;
79 EVP_MD_CTX i_ctx;
80 EVP_MD_CTX o_ctx;
81 unsigned int key_length;
82 unsigned char key[HMAC_MAX_MD_CBLOCK];
83 } HMAC_CTX;
84
85#define HMAC_size(e) (EVP_MD_size((e)->md))
86
87
88void HMAC_CTX_init(HMAC_CTX *ctx);
89void HMAC_CTX_cleanup(HMAC_CTX *ctx);
90
91#define HMAC_cleanup(ctx) HMAC_CTX_cleanup(ctx) /* deprecated */
92
93int HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
94 const EVP_MD *md); /* deprecated */
95int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
96 const EVP_MD *md, ENGINE *impl);
97int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len);
98int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len);
99unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
100 const unsigned char *d, size_t n, unsigned char *md,
101 unsigned int *md_len);
102int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
103
104void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
105
106#ifdef __cplusplus
107}
108#endif
109
110#endif
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