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| 1 /* p12_npas.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 #include <stdio.h> | |
| 60 #include <stdlib.h> | |
| 61 #include <string.h> | |
| 62 #include <openssl/pem.h> | |
| 63 #include <openssl/err.h> | |
| 64 #include <openssl/pkcs12.h> | |
| 65 | |
| 66 /* PKCS#12 password change routine */ | |
| 67 | |
| 68 static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass); | |
| 69 static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass, | |
| 70 char *newpass); | |
| 71 static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass); | |
| 72 static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen); | |
| 73 | |
| 74 /* | |
| 75 * Change the password on a PKCS#12 structure. | |
| 76 */ | |
| 77 | |
| 78 int PKCS12_newpass(PKCS12 *p12, char *oldpass, char *newpass) | |
| 79 { | |
| 80 /* Check for NULL PKCS12 structure */ | |
| 81 | |
| 82 if(!p12) { | |
| 83 PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_INVALID_NULL_PKCS12_P
OINTER); | |
| 84 return 0; | |
| 85 } | |
| 86 | |
| 87 /* Check the mac */ | |
| 88 | |
| 89 if (!PKCS12_verify_mac(p12, oldpass, -1)) { | |
| 90 PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_MAC_VERIFY_FAILURE); | |
| 91 return 0; | |
| 92 } | |
| 93 | |
| 94 if (!newpass_p12(p12, oldpass, newpass)) { | |
| 95 PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_PARSE_ERROR); | |
| 96 return 0; | |
| 97 } | |
| 98 | |
| 99 return 1; | |
| 100 } | |
| 101 | |
| 102 /* Parse the outer PKCS#12 structure */ | |
| 103 | |
| 104 static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass) | |
| 105 { | |
| 106 STACK_OF(PKCS7) *asafes, *newsafes; | |
| 107 STACK_OF(PKCS12_SAFEBAG) *bags; | |
| 108 int i, bagnid, pbe_nid = 0, pbe_iter = 0, pbe_saltlen = 0; | |
| 109 PKCS7 *p7, *p7new; | |
| 110 ASN1_OCTET_STRING *p12_data_tmp = NULL, *macnew = NULL; | |
| 111 unsigned char mac[EVP_MAX_MD_SIZE]; | |
| 112 unsigned int maclen; | |
| 113 | |
| 114 if (!(asafes = PKCS12_unpack_authsafes(p12))) return 0; | |
| 115 if(!(newsafes = sk_PKCS7_new_null())) return 0; | |
| 116 for (i = 0; i < sk_PKCS7_num (asafes); i++) { | |
| 117 p7 = sk_PKCS7_value(asafes, i); | |
| 118 bagnid = OBJ_obj2nid(p7->type); | |
| 119 if (bagnid == NID_pkcs7_data) { | |
| 120 bags = PKCS12_unpack_p7data(p7); | |
| 121 } else if (bagnid == NID_pkcs7_encrypted) { | |
| 122 bags = PKCS12_unpack_p7encdata(p7, oldpass, -1); | |
| 123 if (!alg_get(p7->d.encrypted->enc_data->algorithm, | |
| 124 &pbe_nid, &pbe_iter, &pbe_saltlen)) | |
| 125 { | |
| 126 sk_PKCS12_SAFEBAG_pop_free(bags, | |
| 127 PKCS12_SAFEBAG_free); | |
| 128 bags = NULL; | |
| 129 } | |
| 130 } else continue; | |
| 131 if (!bags) { | |
| 132 sk_PKCS7_pop_free(asafes, PKCS7_free); | |
| 133 return 0; | |
| 134 } | |
| 135 if (!newpass_bags(bags, oldpass, newpass)) { | |
| 136 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); | |
| 137 sk_PKCS7_pop_free(asafes, PKCS7_free); | |
| 138 return 0; | |
| 139 } | |
| 140 /* Repack bag in same form with new password */ | |
| 141 if (bagnid == NID_pkcs7_data) p7new = PKCS12_pack_p7data(bags); | |
| 142 else p7new = PKCS12_pack_p7encdata(pbe_nid, newpass, -1, NULL, | |
| 143 pbe_saltlen, pbe_iter, bags); | |
| 144 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); | |
| 145 if(!p7new) { | |
| 146 sk_PKCS7_pop_free(asafes, PKCS7_free); | |
| 147 return 0; | |
| 148 } | |
| 149 sk_PKCS7_push(newsafes, p7new); | |
| 150 } | |
| 151 sk_PKCS7_pop_free(asafes, PKCS7_free); | |
| 152 | |
| 153 /* Repack safe: save old safe in case of error */ | |
| 154 | |
| 155 p12_data_tmp = p12->authsafes->d.data; | |
| 156 if(!(p12->authsafes->d.data = ASN1_OCTET_STRING_new())) goto saferr; | |
| 157 if(!PKCS12_pack_authsafes(p12, newsafes)) goto saferr; | |
| 158 | |
| 159 if(!PKCS12_gen_mac(p12, newpass, -1, mac, &maclen)) goto saferr; | |
| 160 if(!(macnew = ASN1_OCTET_STRING_new())) goto saferr; | |
| 161 if(!ASN1_OCTET_STRING_set(macnew, mac, maclen)) goto saferr; | |
| 162 ASN1_OCTET_STRING_free(p12->mac->dinfo->digest); | |
| 163 p12->mac->dinfo->digest = macnew; | |
| 164 ASN1_OCTET_STRING_free(p12_data_tmp); | |
| 165 | |
| 166 return 1; | |
| 167 | |
| 168 saferr: | |
| 169 /* Restore old safe */ | |
| 170 ASN1_OCTET_STRING_free(p12->authsafes->d.data); | |
| 171 ASN1_OCTET_STRING_free(macnew); | |
| 172 p12->authsafes->d.data = p12_data_tmp; | |
| 173 return 0; | |
| 174 | |
| 175 } | |
| 176 | |
| 177 | |
| 178 static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass, | |
| 179 char *newpass) | |
| 180 { | |
| 181 int i; | |
| 182 for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) { | |
| 183 if (!newpass_bag(sk_PKCS12_SAFEBAG_value(bags, i), | |
| 184 oldpass, newpass)) | |
| 185 return 0; | |
| 186 } | |
| 187 return 1; | |
| 188 } | |
| 189 | |
| 190 /* Change password of safebag: only needs handle shrouded keybags */ | |
| 191 | |
| 192 static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass) | |
| 193 { | |
| 194 PKCS8_PRIV_KEY_INFO *p8; | |
| 195 X509_SIG *p8new; | |
| 196 int p8_nid, p8_saltlen, p8_iter; | |
| 197 | |
| 198 if(M_PKCS12_bag_type(bag) != NID_pkcs8ShroudedKeyBag) return 1; | |
| 199 | |
| 200 if (!(p8 = PKCS8_decrypt(bag->value.shkeybag, oldpass, -1))) return 0; | |
| 201 if (!alg_get(bag->value.shkeybag->algor, &p8_nid, &p8_iter, | |
| 202 &p8_saltlen)) | |
| 203 return 0; | |
| 204 if(!(p8new = PKCS8_encrypt(p8_nid, NULL, newpass, -1, NULL, p8_saltlen, | |
| 205 p8_iter, p8))) return 0; | |
| 206 X509_SIG_free(bag->value.shkeybag); | |
| 207 bag->value.shkeybag = p8new; | |
| 208 return 1; | |
| 209 } | |
| 210 | |
| 211 static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen) | |
| 212 { | |
| 213 PBEPARAM *pbe; | |
| 214 const unsigned char *p; | |
| 215 | |
| 216 p = alg->parameter->value.sequence->data; | |
| 217 pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length); | |
| 218 if (!pbe) | |
| 219 return 0; | |
| 220 *pnid = OBJ_obj2nid(alg->algorithm); | |
| 221 *piter = ASN1_INTEGER_get(pbe->iter); | |
| 222 *psaltlen = pbe->salt->length; | |
| 223 PBEPARAM_free(pbe); | |
| 224 return 1; | |
| 225 } | |
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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