3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
63 #include <openssl/pem.h>
64 #include <openssl/err.h>
65 #include <openssl/pkcs12.h>
67 /* PKCS#12 password change routine */
69 static int newpass_p12(PKCS12
*p12
, char *oldpass
, char *newpass
);
70 static int newpass_bags(STACK_OF(PKCS12_SAFEBAG
) *bags
, char *oldpass
,
72 static int newpass_bag(PKCS12_SAFEBAG
*bag
, char *oldpass
, char *newpass
);
73 static int alg_get(X509_ALGOR
*alg
, int *pnid
, int *piter
, int *psaltlen
);
76 * Change the password on a PKCS#12 structure.
79 int PKCS12_newpass(PKCS12
*p12
, char *oldpass
, char *newpass
)
81 /* Check for NULL PKCS12 structure */
84 PKCS12err(PKCS12_F_PKCS12_NEWPASS
,
85 PKCS12_R_INVALID_NULL_PKCS12_POINTER
);
91 if (!PKCS12_verify_mac(p12
, oldpass
, -1)) {
92 PKCS12err(PKCS12_F_PKCS12_NEWPASS
, PKCS12_R_MAC_VERIFY_FAILURE
);
96 if (!newpass_p12(p12
, oldpass
, newpass
)) {
97 PKCS12err(PKCS12_F_PKCS12_NEWPASS
, PKCS12_R_PARSE_ERROR
);
104 /* Parse the outer PKCS#12 structure */
106 static int newpass_p12(PKCS12
*p12
, char *oldpass
, char *newpass
)
108 STACK_OF(PKCS7
) *asafes
, *newsafes
;
109 STACK_OF(PKCS12_SAFEBAG
) *bags
;
110 int i
, bagnid
, pbe_nid
= 0, pbe_iter
= 0, pbe_saltlen
= 0;
112 ASN1_OCTET_STRING
*p12_data_tmp
= NULL
, *macnew
= NULL
;
113 unsigned char mac
[EVP_MAX_MD_SIZE
];
116 if (!(asafes
= PKCS12_unpack_authsafes(p12
)))
118 if (!(newsafes
= sk_PKCS7_new_null()))
120 for (i
= 0; i
< sk_PKCS7_num(asafes
); i
++) {
121 p7
= sk_PKCS7_value(asafes
, i
);
122 bagnid
= OBJ_obj2nid(p7
->type
);
123 if (bagnid
== NID_pkcs7_data
) {
124 bags
= PKCS12_unpack_p7data(p7
);
125 } else if (bagnid
== NID_pkcs7_encrypted
) {
126 bags
= PKCS12_unpack_p7encdata(p7
, oldpass
, -1);
127 if (!alg_get(p7
->d
.encrypted
->enc_data
->algorithm
,
128 &pbe_nid
, &pbe_iter
, &pbe_saltlen
)) {
129 sk_PKCS12_SAFEBAG_pop_free(bags
, PKCS12_SAFEBAG_free
);
135 sk_PKCS7_pop_free(asafes
, PKCS7_free
);
138 if (!newpass_bags(bags
, oldpass
, newpass
)) {
139 sk_PKCS12_SAFEBAG_pop_free(bags
, PKCS12_SAFEBAG_free
);
140 sk_PKCS7_pop_free(asafes
, PKCS7_free
);
143 /* Repack bag in same form with new password */
144 if (bagnid
== NID_pkcs7_data
)
145 p7new
= PKCS12_pack_p7data(bags
);
147 p7new
= PKCS12_pack_p7encdata(pbe_nid
, newpass
, -1, NULL
,
148 pbe_saltlen
, pbe_iter
, bags
);
149 sk_PKCS12_SAFEBAG_pop_free(bags
, PKCS12_SAFEBAG_free
);
151 sk_PKCS7_pop_free(asafes
, PKCS7_free
);
154 sk_PKCS7_push(newsafes
, p7new
);
156 sk_PKCS7_pop_free(asafes
, PKCS7_free
);
158 /* Repack safe: save old safe in case of error */
160 p12_data_tmp
= p12
->authsafes
->d
.data
;
161 if (!(p12
->authsafes
->d
.data
= ASN1_OCTET_STRING_new()))
163 if (!PKCS12_pack_authsafes(p12
, newsafes
))
166 if (!PKCS12_gen_mac(p12
, newpass
, -1, mac
, &maclen
))
168 if (!(macnew
= ASN1_OCTET_STRING_new()))
170 if (!ASN1_OCTET_STRING_set(macnew
, mac
, maclen
))
172 ASN1_OCTET_STRING_free(p12
->mac
->dinfo
->digest
);
173 p12
->mac
->dinfo
->digest
= macnew
;
174 ASN1_OCTET_STRING_free(p12_data_tmp
);
179 /* Restore old safe */
180 ASN1_OCTET_STRING_free(p12
->authsafes
->d
.data
);
181 ASN1_OCTET_STRING_free(macnew
);
182 p12
->authsafes
->d
.data
= p12_data_tmp
;
187 static int newpass_bags(STACK_OF(PKCS12_SAFEBAG
) *bags
, char *oldpass
,
191 for (i
= 0; i
< sk_PKCS12_SAFEBAG_num(bags
); i
++) {
192 if (!newpass_bag(sk_PKCS12_SAFEBAG_value(bags
, i
), oldpass
, newpass
))
198 /* Change password of safebag: only needs handle shrouded keybags */
200 static int newpass_bag(PKCS12_SAFEBAG
*bag
, char *oldpass
, char *newpass
)
202 PKCS8_PRIV_KEY_INFO
*p8
;
204 int p8_nid
, p8_saltlen
, p8_iter
;
206 if (M_PKCS12_bag_type(bag
) != NID_pkcs8ShroudedKeyBag
)
209 if (!(p8
= PKCS8_decrypt(bag
->value
.shkeybag
, oldpass
, -1)))
211 if (!alg_get(bag
->value
.shkeybag
->algor
, &p8_nid
, &p8_iter
, &p8_saltlen
))
213 if (!(p8new
= PKCS8_encrypt(p8_nid
, NULL
, newpass
, -1, NULL
, p8_saltlen
,
216 X509_SIG_free(bag
->value
.shkeybag
);
217 bag
->value
.shkeybag
= p8new
;
221 static int alg_get(X509_ALGOR
*alg
, int *pnid
, int *piter
, int *psaltlen
)
224 const unsigned char *p
;
226 p
= alg
->parameter
->value
.sequence
->data
;
227 pbe
= d2i_PBEPARAM(NULL
, &p
, alg
->parameter
->value
.sequence
->length
);
230 *pnid
= OBJ_obj2nid(alg
->algorithm
);
231 *piter
= ASN1_INTEGER_get(pbe
->iter
);
232 *psaltlen
= pbe
->salt
->length
;