/* 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.
* 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
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;
}
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