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-rw-r--r--src/lib/libcrypto/hmac/hm_pmeth.c259
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diff --git a/src/lib/libcrypto/hmac/hm_pmeth.c b/src/lib/libcrypto/hmac/hm_pmeth.c
deleted file mode 100644
index c5ac6c00c0..0000000000
--- a/src/lib/libcrypto/hmac/hm_pmeth.c
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@@ -1,259 +0,0 @@
1/* $OpenBSD: hm_pmeth.c,v 1.9 2015/09/10 15:56:25 jsing Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2007.
4 */
5/* ====================================================================
6 * Copyright (c) 2007 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <string.h>
61
62#include <openssl/evp.h>
63#include <openssl/hmac.h>
64#include <openssl/x509.h>
65#include <openssl/x509v3.h>
66
67#include "evp_locl.h"
68
69/* HMAC pkey context structure */
70
71typedef struct {
72 const EVP_MD *md; /* MD for HMAC use */
73 ASN1_OCTET_STRING ktmp; /* Temp storage for key */
74 HMAC_CTX ctx;
75} HMAC_PKEY_CTX;
76
77static int
78pkey_hmac_init(EVP_PKEY_CTX *ctx)
79{
80 HMAC_PKEY_CTX *hctx;
81
82 hctx = malloc(sizeof(HMAC_PKEY_CTX));
83 if (!hctx)
84 return 0;
85 hctx->md = NULL;
86 hctx->ktmp.data = NULL;
87 hctx->ktmp.length = 0;
88 hctx->ktmp.flags = 0;
89 hctx->ktmp.type = V_ASN1_OCTET_STRING;
90 HMAC_CTX_init(&hctx->ctx);
91
92 ctx->data = hctx;
93 ctx->keygen_info_count = 0;
94
95 return 1;
96}
97
98static int
99pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
100{
101 HMAC_PKEY_CTX *sctx, *dctx;
102
103 if (!pkey_hmac_init(dst))
104 return 0;
105 sctx = src->data;
106 dctx = dst->data;
107 dctx->md = sctx->md;
108 HMAC_CTX_init(&dctx->ctx);
109 if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
110 return 0;
111 if (sctx->ktmp.data) {
112 if (!ASN1_OCTET_STRING_set(&dctx->ktmp, sctx->ktmp.data,
113 sctx->ktmp.length))
114 return 0;
115 }
116 return 1;
117}
118
119static void
120pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
121{
122 HMAC_PKEY_CTX *hctx = ctx->data;
123
124 HMAC_CTX_cleanup(&hctx->ctx);
125 if (hctx->ktmp.data) {
126 if (hctx->ktmp.length)
127 explicit_bzero(hctx->ktmp.data, hctx->ktmp.length);
128 free(hctx->ktmp.data);
129 hctx->ktmp.data = NULL;
130 }
131 free(hctx);
132}
133
134static int
135pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
136{
137 ASN1_OCTET_STRING *hkey = NULL;
138 HMAC_PKEY_CTX *hctx = ctx->data;
139
140 if (!hctx->ktmp.data)
141 return 0;
142 hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
143 if (!hkey)
144 return 0;
145 EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
146
147 return 1;
148}
149
150static int
151int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
152{
153 HMAC_PKEY_CTX *hctx = ctx->pctx->data;
154
155 if (!HMAC_Update(&hctx->ctx, data, count))
156 return 0;
157 return 1;
158}
159
160static int
161hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
162{
163 HMAC_PKEY_CTX *hctx = ctx->data;
164
165 HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
166 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
167 mctx->update = int_update;
168 return 1;
169}
170
171static int
172hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
173 EVP_MD_CTX *mctx)
174{
175 unsigned int hlen;
176 HMAC_PKEY_CTX *hctx = ctx->data;
177 int l = EVP_MD_CTX_size(mctx);
178
179 if (l < 0)
180 return 0;
181 *siglen = l;
182 if (!sig)
183 return 1;
184
185 if (!HMAC_Final(&hctx->ctx, sig, &hlen))
186 return 0;
187 *siglen = (size_t)hlen;
188 return 1;
189}
190
191static int
192pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
193{
194 HMAC_PKEY_CTX *hctx = ctx->data;
195 ASN1_OCTET_STRING *key;
196
197 switch (type) {
198 case EVP_PKEY_CTRL_SET_MAC_KEY:
199 if ((!p2 && p1 > 0) || (p1 < -1))
200 return 0;
201 if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
202 return 0;
203 break;
204
205 case EVP_PKEY_CTRL_MD:
206 hctx->md = p2;
207 break;
208
209 case EVP_PKEY_CTRL_DIGESTINIT:
210 key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
211 if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
212 ctx->engine))
213 return 0;
214 break;
215
216 default:
217 return -2;
218 }
219 return 1;
220}
221
222static int
223pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value)
224{
225 if (!value)
226 return 0;
227 if (!strcmp(type, "key")) {
228 void *p = (void *)value;
229 return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
230 }
231 if (!strcmp(type, "hexkey")) {
232 unsigned char *key;
233 int r;
234 long keylen;
235 key = string_to_hex(value, &keylen);
236 if (!key)
237 return 0;
238 r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
239 free(key);
240 return r;
241 }
242 return -2;
243}
244
245const EVP_PKEY_METHOD hmac_pkey_meth = {
246 .pkey_id = EVP_PKEY_HMAC,
247
248 .init = pkey_hmac_init,
249 .copy = pkey_hmac_copy,
250 .cleanup = pkey_hmac_cleanup,
251
252 .keygen = pkey_hmac_keygen,
253
254 .signctx_init = hmac_signctx_init,
255 .signctx = hmac_signctx,
256
257 .ctrl = pkey_hmac_ctrl,
258 .ctrl_str = pkey_hmac_ctrl_str
259};
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