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-rw-r--r--src/lib/libcrypto/hmac/hm_pmeth.c261
1 files changed, 0 insertions, 261 deletions
diff --git a/src/lib/libcrypto/hmac/hm_pmeth.c b/src/lib/libcrypto/hmac/hm_pmeth.c
deleted file mode 100644
index 05eb1bf85d..0000000000
--- a/src/lib/libcrypto/hmac/hm_pmeth.c
+++ /dev/null
@@ -1,261 +0,0 @@
1/* $OpenBSD: hm_pmeth.c,v 1.17 2023/12/28 22:00:56 tb 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_local.h"
68#include "hmac_local.h"
69
70/* HMAC pkey context structure */
71
72typedef struct {
73 const EVP_MD *md; /* MD for HMAC use */
74 ASN1_OCTET_STRING ktmp; /* Temp storage for key */
75 HMAC_CTX ctx;
76} HMAC_PKEY_CTX;
77
78static int
79pkey_hmac_init(EVP_PKEY_CTX *ctx)
80{
81 HMAC_PKEY_CTX *hctx;
82
83 if ((hctx = calloc(1, sizeof(HMAC_PKEY_CTX))) == NULL)
84 return 0;
85
86 hctx->ktmp.type = V_ASN1_OCTET_STRING;
87 HMAC_CTX_init(&hctx->ctx);
88
89 ctx->data = hctx;
90 ctx->keygen_info_count = 0;
91
92 return 1;
93}
94
95static int
96pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
97{
98 HMAC_PKEY_CTX *sctx, *dctx;
99
100 if (!pkey_hmac_init(dst))
101 return 0;
102 sctx = src->data;
103 dctx = dst->data;
104 dctx->md = sctx->md;
105 HMAC_CTX_init(&dctx->ctx);
106 if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
107 return 0;
108 if (sctx->ktmp.data) {
109 if (!ASN1_OCTET_STRING_set(&dctx->ktmp, sctx->ktmp.data,
110 sctx->ktmp.length))
111 return 0;
112 }
113 return 1;
114}
115
116static void
117pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
118{
119 HMAC_PKEY_CTX *hctx;
120
121 if ((hctx = ctx->data) == NULL)
122 return;
123
124 HMAC_CTX_cleanup(&hctx->ctx);
125 freezero(hctx->ktmp.data, hctx->ktmp.length);
126 free(hctx);
127}
128
129static int
130pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
131{
132 ASN1_OCTET_STRING *hkey = NULL;
133 HMAC_PKEY_CTX *hctx = ctx->data;
134 int ret = 0;
135
136 if (hctx->ktmp.data == NULL)
137 goto err;
138 if ((hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp)) == NULL)
139 goto err;
140 if (!EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey))
141 goto err;
142 hkey = NULL;
143
144 ret = 1;
145
146 err:
147 ASN1_OCTET_STRING_free(hkey);
148
149 return ret;
150}
151
152static int
153int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
154{
155 HMAC_PKEY_CTX *hctx = ctx->pctx->data;
156
157 if (!HMAC_Update(&hctx->ctx, data, count))
158 return 0;
159 return 1;
160}
161
162static int
163hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
164{
165 HMAC_PKEY_CTX *hctx = ctx->data;
166
167 HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
168 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
169 mctx->update = int_update;
170 return 1;
171}
172
173static int
174hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
175 EVP_MD_CTX *mctx)
176{
177 unsigned int hlen;
178 HMAC_PKEY_CTX *hctx = ctx->data;
179 int l = EVP_MD_CTX_size(mctx);
180
181 if (l < 0)
182 return 0;
183 *siglen = l;
184 if (!sig)
185 return 1;
186
187 if (!HMAC_Final(&hctx->ctx, sig, &hlen))
188 return 0;
189 *siglen = (size_t)hlen;
190 return 1;
191}
192
193static int
194pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
195{
196 HMAC_PKEY_CTX *hctx = ctx->data;
197 ASN1_OCTET_STRING *key;
198
199 switch (type) {
200 case EVP_PKEY_CTRL_SET_MAC_KEY:
201 if ((!p2 && p1 > 0) || (p1 < -1))
202 return 0;
203 if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
204 return 0;
205 break;
206
207 case EVP_PKEY_CTRL_MD:
208 hctx->md = p2;
209 break;
210
211 case EVP_PKEY_CTRL_DIGESTINIT:
212 key = ctx->pkey->pkey.ptr;
213 if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
214 NULL))
215 return 0;
216 break;
217
218 default:
219 return -2;
220 }
221 return 1;
222}
223
224static int
225pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value)
226{
227 if (!value)
228 return 0;
229 if (!strcmp(type, "key")) {
230 void *p = (void *)value;
231 return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
232 }
233 if (!strcmp(type, "hexkey")) {
234 unsigned char *key;
235 int r;
236 long keylen;
237 key = string_to_hex(value, &keylen);
238 if (!key)
239 return 0;
240 r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
241 free(key);
242 return r;
243 }
244 return -2;
245}
246
247const EVP_PKEY_METHOD hmac_pkey_meth = {
248 .pkey_id = EVP_PKEY_HMAC,
249
250 .init = pkey_hmac_init,
251 .copy = pkey_hmac_copy,
252 .cleanup = pkey_hmac_cleanup,
253
254 .keygen = pkey_hmac_keygen,
255
256 .signctx_init = hmac_signctx_init,
257 .signctx = hmac_signctx,
258
259 .ctrl = pkey_hmac_ctrl,
260 .ctrl_str = pkey_hmac_ctrl_str
261};
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