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| 1 /* p12_mutl.c */ | |
| 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
| 3 * project 1999. | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 1999 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 #ifndef OPENSSL_NO_HMAC | |
| 60 #include <stdio.h> | |
| 61 #include "cryptlib.h" | |
| 62 #include <openssl/hmac.h> | |
| 63 #include <openssl/rand.h> | |
| 64 #include <openssl/pkcs12.h> | |
| 65 | |
| 66 /* Generate a MAC */ | |
| 67 int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen, | |
| 68 unsigned char *mac, unsigned int *maclen) | |
| 69 { | |
| 70 const EVP_MD *md_type; | |
| 71 HMAC_CTX hmac; | |
| 72 unsigned char key[EVP_MAX_MD_SIZE], *salt; | |
| 73 int saltlen, iter; | |
| 74 int md_size; | |
| 75 | |
| 76 if (!PKCS7_type_is_data(p12->authsafes)) | |
| 77 { | |
| 78 PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_CONTENT_TYPE_NOT_DATA
); | |
| 79 return 0; | |
| 80 } | |
| 81 | |
| 82 salt = p12->mac->salt->data; | |
| 83 saltlen = p12->mac->salt->length; | |
| 84 if (!p12->mac->iter) iter = 1; | |
| 85 else iter = ASN1_INTEGER_get (p12->mac->iter); | |
| 86 if(!(md_type = | |
| 87 EVP_get_digestbyobj (p12->mac->dinfo->algor->algorithm))) { | |
| 88 PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_UNKNOWN_DIGEST_ALGORI
THM); | |
| 89 return 0; | |
| 90 } | |
| 91 md_size = EVP_MD_size(md_type); | |
| 92 if (md_size < 0) | |
| 93 return 0; | |
| 94 if(!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_MAC_ID, iter, | |
| 95 md_size, key, md_type)) { | |
| 96 PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_KEY_GEN_ERROR); | |
| 97 return 0; | |
| 98 } | |
| 99 HMAC_CTX_init(&hmac); | |
| 100 if (!HMAC_Init_ex(&hmac, key, md_size, md_type, NULL) | |
| 101 || !HMAC_Update(&hmac, p12->authsafes->d.data->data, | |
| 102 p12->authsafes->d.data->length) | |
| 103 || !HMAC_Final(&hmac, mac, maclen)) | |
| 104 { | |
| 105 HMAC_CTX_cleanup(&hmac); | |
| 106 return 0; | |
| 107 } | |
| 108 HMAC_CTX_cleanup(&hmac); | |
| 109 return 1; | |
| 110 } | |
| 111 | |
| 112 /* Verify the mac */ | |
| 113 int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen) | |
| 114 { | |
| 115 unsigned char mac[EVP_MAX_MD_SIZE]; | |
| 116 unsigned int maclen; | |
| 117 if(p12->mac == NULL) { | |
| 118 PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC,PKCS12_R_MAC_ABSENT); | |
| 119 return 0; | |
| 120 } | |
| 121 if (!PKCS12_gen_mac (p12, pass, passlen, mac, &maclen)) { | |
| 122 PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC,PKCS12_R_MAC_GENERATION_ERR
OR); | |
| 123 return 0; | |
| 124 } | |
| 125 if ((maclen != (unsigned int)p12->mac->dinfo->digest->length) | |
| 126 || memcmp (mac, p12->mac->dinfo->digest->data, maclen)) return 0; | |
| 127 return 1; | |
| 128 } | |
| 129 | |
| 130 /* Set a mac */ | |
| 131 | |
| 132 int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen, | |
| 133 unsigned char *salt, int saltlen, int iter, const EVP_MD *md_type) | |
| 134 { | |
| 135 unsigned char mac[EVP_MAX_MD_SIZE]; | |
| 136 unsigned int maclen; | |
| 137 | |
| 138 if (!md_type) md_type = EVP_sha1(); | |
| 139 if (PKCS12_setup_mac (p12, iter, salt, saltlen, md_type) == | |
| 140 PKCS12_ERROR) { | |
| 141 PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_SETUP_ERROR); | |
| 142 return 0; | |
| 143 } | |
| 144 if (!PKCS12_gen_mac (p12, pass, passlen, mac, &maclen)) { | |
| 145 PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_GENERATION_ERROR)
; | |
| 146 return 0; | |
| 147 } | |
| 148 if (!(M_ASN1_OCTET_STRING_set (p12->mac->dinfo->digest, mac, maclen))) { | |
| 149 PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_STRING_SET_ERROR)
; | |
| 150 return 0; | |
| 151 } | |
| 152 return 1; | |
| 153 } | |
| 154 | |
| 155 /* Set up a mac structure */ | |
| 156 int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen, | |
| 157 const EVP_MD *md_type) | |
| 158 { | |
| 159 if (!(p12->mac = PKCS12_MAC_DATA_new())) return PKCS12_ERROR; | |
| 160 if (iter > 1) { | |
| 161 if(!(p12->mac->iter = M_ASN1_INTEGER_new())) { | |
| 162 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILUR
E); | |
| 163 return 0; | |
| 164 } | |
| 165 if (!ASN1_INTEGER_set(p12->mac->iter, iter)) { | |
| 166 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILUR
E); | |
| 167 return 0; | |
| 168 } | |
| 169 } | |
| 170 if (!saltlen) saltlen = PKCS12_SALT_LEN; | |
| 171 p12->mac->salt->length = saltlen; | |
| 172 if (!(p12->mac->salt->data = OPENSSL_malloc (saltlen))) { | |
| 173 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); | |
| 174 return 0; | |
| 175 } | |
| 176 if (!salt) { | |
| 177 if (RAND_pseudo_bytes (p12->mac->salt->data, saltlen) < 0) | |
| 178 return 0; | |
| 179 } | |
| 180 else memcpy (p12->mac->salt->data, salt, saltlen); | |
| 181 p12->mac->dinfo->algor->algorithm = OBJ_nid2obj(EVP_MD_type(md_type)); | |
| 182 if (!(p12->mac->dinfo->algor->parameter = ASN1_TYPE_new())) { | |
| 183 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); | |
| 184 return 0; | |
| 185 } | |
| 186 p12->mac->dinfo->algor->parameter->type = V_ASN1_NULL; | |
| 187 | |
| 188 return 1; | |
| 189 } | |
| 190 #endif | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master