diff options
Diffstat (limited to 'openssl/crypto/pkcs12/p12_npas.c')
| -rw-r--r-- | openssl/crypto/pkcs12/p12_npas.c | 268 |
1 files changed, 139 insertions, 129 deletions
diff --git a/openssl/crypto/pkcs12/p12_npas.c b/openssl/crypto/pkcs12/p12_npas.c index 2f7135515..a89b61aba 100644 --- a/openssl/crypto/pkcs12/p12_npas.c +++ b/openssl/crypto/pkcs12/p12_npas.c @@ -1,6 +1,7 @@ /* p12_npas.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -67,159 +68,168 @@ static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass); static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass, - char *newpass); + char *newpass); static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass); static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen); -/* +/* * Change the password on a PKCS#12 structure. */ int PKCS12_newpass(PKCS12 *p12, char *oldpass, char *newpass) { - /* Check for NULL PKCS12 structure */ - - if(!p12) { - PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_INVALID_NULL_PKCS12_POINTER); - return 0; - } - - /* Check the mac */ - - if (!PKCS12_verify_mac(p12, oldpass, -1)) { - PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_MAC_VERIFY_FAILURE); - return 0; - } - - if (!newpass_p12(p12, oldpass, newpass)) { - PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_PARSE_ERROR); - return 0; - } - - return 1; + /* Check for NULL PKCS12 structure */ + + if (!p12) { + PKCS12err(PKCS12_F_PKCS12_NEWPASS, + PKCS12_R_INVALID_NULL_PKCS12_POINTER); + return 0; + } + + /* Check the mac */ + + if (!PKCS12_verify_mac(p12, oldpass, -1)) { + PKCS12err(PKCS12_F_PKCS12_NEWPASS, PKCS12_R_MAC_VERIFY_FAILURE); + return 0; + } + + if (!newpass_p12(p12, oldpass, newpass)) { + PKCS12err(PKCS12_F_PKCS12_NEWPASS, PKCS12_R_PARSE_ERROR); + return 0; + } + + return 1; } /* Parse the outer PKCS#12 structure */ static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass) { - STACK_OF(PKCS7) *asafes, *newsafes; - STACK_OF(PKCS12_SAFEBAG) *bags; - int i, bagnid, pbe_nid = 0, pbe_iter = 0, pbe_saltlen = 0; - PKCS7 *p7, *p7new; - ASN1_OCTET_STRING *p12_data_tmp = NULL, *macnew = NULL; - unsigned char mac[EVP_MAX_MD_SIZE]; - unsigned int maclen; - - if (!(asafes = PKCS12_unpack_authsafes(p12))) return 0; - if(!(newsafes = sk_PKCS7_new_null())) return 0; - for (i = 0; i < sk_PKCS7_num (asafes); i++) { - p7 = sk_PKCS7_value(asafes, i); - bagnid = OBJ_obj2nid(p7->type); - if (bagnid == NID_pkcs7_data) { - bags = PKCS12_unpack_p7data(p7); - } else if (bagnid == NID_pkcs7_encrypted) { - bags = PKCS12_unpack_p7encdata(p7, oldpass, -1); - if (!alg_get(p7->d.encrypted->enc_data->algorithm, - &pbe_nid, &pbe_iter, &pbe_saltlen)) - { - sk_PKCS12_SAFEBAG_pop_free(bags, - PKCS12_SAFEBAG_free); - bags = NULL; - } - } else continue; - if (!bags) { - sk_PKCS7_pop_free(asafes, PKCS7_free); - return 0; - } - if (!newpass_bags(bags, oldpass, newpass)) { - sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); - sk_PKCS7_pop_free(asafes, PKCS7_free); - return 0; - } - /* Repack bag in same form with new password */ - if (bagnid == NID_pkcs7_data) p7new = PKCS12_pack_p7data(bags); - else p7new = PKCS12_pack_p7encdata(pbe_nid, newpass, -1, NULL, - pbe_saltlen, pbe_iter, bags); - sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); - if(!p7new) { - sk_PKCS7_pop_free(asafes, PKCS7_free); - return 0; - } - sk_PKCS7_push(newsafes, p7new); - } - sk_PKCS7_pop_free(asafes, PKCS7_free); - - /* Repack safe: save old safe in case of error */ - - p12_data_tmp = p12->authsafes->d.data; - if(!(p12->authsafes->d.data = ASN1_OCTET_STRING_new())) goto saferr; - if(!PKCS12_pack_authsafes(p12, newsafes)) goto saferr; - - if(!PKCS12_gen_mac(p12, newpass, -1, mac, &maclen)) goto saferr; - if(!(macnew = ASN1_OCTET_STRING_new())) goto saferr; - if(!ASN1_OCTET_STRING_set(macnew, mac, maclen)) goto saferr; - ASN1_OCTET_STRING_free(p12->mac->dinfo->digest); - p12->mac->dinfo->digest = macnew; - ASN1_OCTET_STRING_free(p12_data_tmp); - - return 1; - - saferr: - /* Restore old safe */ - ASN1_OCTET_STRING_free(p12->authsafes->d.data); - ASN1_OCTET_STRING_free(macnew); - p12->authsafes->d.data = p12_data_tmp; - return 0; + STACK_OF(PKCS7) *asafes, *newsafes; + STACK_OF(PKCS12_SAFEBAG) *bags; + int i, bagnid, pbe_nid = 0, pbe_iter = 0, pbe_saltlen = 0; + PKCS7 *p7, *p7new; + ASN1_OCTET_STRING *p12_data_tmp = NULL, *macnew = NULL; + unsigned char mac[EVP_MAX_MD_SIZE]; + unsigned int maclen; + + if (!(asafes = PKCS12_unpack_authsafes(p12))) + return 0; + if (!(newsafes = sk_PKCS7_new_null())) + return 0; + for (i = 0; i < sk_PKCS7_num(asafes); i++) { + p7 = sk_PKCS7_value(asafes, i); + bagnid = OBJ_obj2nid(p7->type); + if (bagnid == NID_pkcs7_data) { + bags = PKCS12_unpack_p7data(p7); + } else if (bagnid == NID_pkcs7_encrypted) { + bags = PKCS12_unpack_p7encdata(p7, oldpass, -1); + if (!alg_get(p7->d.encrypted->enc_data->algorithm, + &pbe_nid, &pbe_iter, &pbe_saltlen)) { + sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); + bags = NULL; + } + } else + continue; + if (!bags) { + sk_PKCS7_pop_free(asafes, PKCS7_free); + return 0; + } + if (!newpass_bags(bags, oldpass, newpass)) { + sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); + sk_PKCS7_pop_free(asafes, PKCS7_free); + return 0; + } + /* Repack bag in same form with new password */ + if (bagnid == NID_pkcs7_data) + p7new = PKCS12_pack_p7data(bags); + else + p7new = PKCS12_pack_p7encdata(pbe_nid, newpass, -1, NULL, + pbe_saltlen, pbe_iter, bags); + sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); + if (!p7new) { + sk_PKCS7_pop_free(asafes, PKCS7_free); + return 0; + } + sk_PKCS7_push(newsafes, p7new); + } + sk_PKCS7_pop_free(asafes, PKCS7_free); + + /* Repack safe: save old safe in case of error */ + + p12_data_tmp = p12->authsafes->d.data; + if (!(p12->authsafes->d.data = ASN1_OCTET_STRING_new())) + goto saferr; + if (!PKCS12_pack_authsafes(p12, newsafes)) + goto saferr; + + if (!PKCS12_gen_mac(p12, newpass, -1, mac, &maclen)) + goto saferr; + if (!(macnew = ASN1_OCTET_STRING_new())) + goto saferr; + if (!ASN1_OCTET_STRING_set(macnew, mac, maclen)) + goto saferr; + ASN1_OCTET_STRING_free(p12->mac->dinfo->digest); + p12->mac->dinfo->digest = macnew; + ASN1_OCTET_STRING_free(p12_data_tmp); + + return 1; + + saferr: + /* Restore old safe */ + ASN1_OCTET_STRING_free(p12->authsafes->d.data); + ASN1_OCTET_STRING_free(macnew); + p12->authsafes->d.data = p12_data_tmp; + return 0; } - static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass, - char *newpass) + char *newpass) { - int i; - for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) { - if (!newpass_bag(sk_PKCS12_SAFEBAG_value(bags, i), - oldpass, newpass)) - return 0; - } - return 1; + int i; + for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) { + if (!newpass_bag(sk_PKCS12_SAFEBAG_value(bags, i), oldpass, newpass)) + return 0; + } + return 1; } /* Change password of safebag: only needs handle shrouded keybags */ static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass) { - PKCS8_PRIV_KEY_INFO *p8; - X509_SIG *p8new; - int p8_nid, p8_saltlen, p8_iter; - - if(M_PKCS12_bag_type(bag) != NID_pkcs8ShroudedKeyBag) return 1; - - if (!(p8 = PKCS8_decrypt(bag->value.shkeybag, oldpass, -1))) return 0; - if (!alg_get(bag->value.shkeybag->algor, &p8_nid, &p8_iter, - &p8_saltlen)) - return 0; - if(!(p8new = PKCS8_encrypt(p8_nid, NULL, newpass, -1, NULL, p8_saltlen, - p8_iter, p8))) return 0; - X509_SIG_free(bag->value.shkeybag); - bag->value.shkeybag = p8new; - return 1; + PKCS8_PRIV_KEY_INFO *p8; + X509_SIG *p8new; + int p8_nid, p8_saltlen, p8_iter; + + if (M_PKCS12_bag_type(bag) != NID_pkcs8ShroudedKeyBag) + return 1; + + if (!(p8 = PKCS8_decrypt(bag->value.shkeybag, oldpass, -1))) + return 0; + if (!alg_get(bag->value.shkeybag->algor, &p8_nid, &p8_iter, &p8_saltlen)) + return 0; + if (!(p8new = PKCS8_encrypt(p8_nid, NULL, newpass, -1, NULL, p8_saltlen, + p8_iter, p8))) + return 0; + X509_SIG_free(bag->value.shkeybag); + bag->value.shkeybag = p8new; + return 1; } static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen) { - PBEPARAM *pbe; - const unsigned char *p; - - p = alg->parameter->value.sequence->data; - pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length); - if (!pbe) - return 0; - *pnid = OBJ_obj2nid(alg->algorithm); - *piter = ASN1_INTEGER_get(pbe->iter); - *psaltlen = pbe->salt->length; - PBEPARAM_free(pbe); - return 1; + PBEPARAM *pbe; + const unsigned char *p; + + p = alg->parameter->value.sequence->data; + pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length); + if (!pbe) + return 0; + *pnid = OBJ_obj2nid(alg->algorithm); + *piter = ASN1_INTEGER_get(pbe->iter); + *psaltlen = pbe->salt->length; + PBEPARAM_free(pbe); + return 1; } |