2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
60 # include "internal/cryptlib.h"
61 # include <openssl/crypto.h>
62 # include <openssl/hmac.h>
63 # include <openssl/rand.h>
64 # include <openssl/pkcs12.h>
67 # define TK26_MAC_KEY_LEN 32
69 static int pkcs12_gen_gost_mac_key(const char *pass, int passlen,
70 const unsigned char *salt, int saltlen,
71 int iter, int keylen, unsigned char *key,
74 unsigned char out[96];
76 if (keylen != TK26_MAC_KEY_LEN) {
80 if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
81 digest, sizeof(out), out)) {
84 memcpy(key, out + sizeof(out) - TK26_MAC_KEY_LEN, TK26_MAC_KEY_LEN);
85 OPENSSL_cleanse(out, sizeof(out));
90 int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
91 unsigned char *mac, unsigned int *maclen)
93 const EVP_MD *md_type;
94 HMAC_CTX *hmac = NULL;
95 unsigned char key[EVP_MAX_MD_SIZE], *salt;
100 if (!PKCS7_type_is_data(p12->authsafes)) {
101 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_CONTENT_TYPE_NOT_DATA);
105 salt = p12->mac->salt->data;
106 saltlen = p12->mac->salt->length;
110 iter = ASN1_INTEGER_get(p12->mac->iter);
111 if ((md_type = EVP_get_digestbyobj(p12->mac->dinfo->algor->algorithm))
113 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_UNKNOWN_DIGEST_ALGORITHM);
116 md_size = EVP_MD_size(md_type);
117 md_type_nid = EVP_MD_type(md_type);
120 if ((md_type_nid == NID_id_GostR3411_94
121 || md_type_nid == NID_id_GostR3411_2012_256
122 || md_type_nid == NID_id_GostR3411_2012_512)
123 && !getenv("LEGACY_GOST_PKCS12")) {
124 md_size = TK26_MAC_KEY_LEN;
125 if (!pkcs12_gen_gost_mac_key(pass, passlen, salt, saltlen, iter,
126 md_size, key, md_type)) {
127 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_KEY_GEN_ERROR);
131 if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_MAC_ID, iter,
132 md_size, key, md_type)) {
133 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_KEY_GEN_ERROR);
136 hmac = HMAC_CTX_new();
137 if (!HMAC_Init_ex(hmac, key, md_size, md_type, NULL)
138 || !HMAC_Update(hmac, p12->authsafes->d.data->data,
139 p12->authsafes->d.data->length)
140 || !HMAC_Final(hmac, mac, maclen)) {
149 int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen)
151 unsigned char mac[EVP_MAX_MD_SIZE];
153 if (p12->mac == NULL) {
154 PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_ABSENT);
157 if (!PKCS12_gen_mac(p12, pass, passlen, mac, &maclen)) {
158 PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_GENERATION_ERROR);
161 if ((maclen != (unsigned int)p12->mac->dinfo->digest->length)
162 || CRYPTO_memcmp(mac, p12->mac->dinfo->digest->data, maclen))
169 int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen,
170 unsigned char *salt, int saltlen, int iter,
171 const EVP_MD *md_type)
173 unsigned char mac[EVP_MAX_MD_SIZE];
177 md_type = EVP_sha1();
178 if (PKCS12_setup_mac(p12, iter, salt, saltlen, md_type) == PKCS12_ERROR) {
179 PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_SETUP_ERROR);
182 if (!PKCS12_gen_mac(p12, pass, passlen, mac, &maclen)) {
183 PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_GENERATION_ERROR);
186 if (!(ASN1_OCTET_STRING_set(p12->mac->dinfo->digest, mac, maclen))) {
187 PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_STRING_SET_ERROR);
193 /* Set up a mac structure */
194 int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen,
195 const EVP_MD *md_type)
197 if ((p12->mac = PKCS12_MAC_DATA_new()) == NULL)
200 if ((p12->mac->iter = ASN1_INTEGER_new()) == NULL) {
201 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
204 if (!ASN1_INTEGER_set(p12->mac->iter, iter)) {
205 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
210 saltlen = PKCS12_SALT_LEN;
211 if ((p12->mac->salt->data = OPENSSL_malloc(saltlen)) == NULL) {
212 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
215 p12->mac->salt->length = saltlen;
217 if (RAND_bytes(p12->mac->salt->data, saltlen) <= 0)
220 memcpy(p12->mac->salt->data, salt, saltlen);
221 p12->mac->dinfo->algor->algorithm = OBJ_nid2obj(EVP_MD_type(md_type));
222 if ((p12->mac->dinfo->algor->parameter = ASN1_TYPE_new()) == NULL) {
223 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
226 p12->mac->dinfo->algor->parameter->type = V_ASN1_NULL;