xref: /freebsd/crypto/openssl/crypto/pkcs12/p12_add.c (revision aa0a1e58)
1 /* p12_add.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 "cryptlib.h"
61 #include <openssl/pkcs12.h>
62 
63 /* Pack an object into an OCTET STRING and turn into a safebag */
64 
65 PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1,
66 	     int nid2)
67 {
68 	PKCS12_BAGS *bag;
69 	PKCS12_SAFEBAG *safebag;
70 	if (!(bag = PKCS12_BAGS_new())) {
71 		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
72 		return NULL;
73 	}
74 	bag->type = OBJ_nid2obj(nid1);
75 	if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
76 		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
77 		return NULL;
78 	}
79 	if (!(safebag = PKCS12_SAFEBAG_new())) {
80 		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
81 		return NULL;
82 	}
83 	safebag->value.bag = bag;
84 	safebag->type = OBJ_nid2obj(nid2);
85 	return safebag;
86 }
87 
88 /* Turn PKCS8 object into a keybag */
89 
90 PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
91 {
92 	PKCS12_SAFEBAG *bag;
93 	if (!(bag = PKCS12_SAFEBAG_new())) {
94 		PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG,ERR_R_MALLOC_FAILURE);
95 		return NULL;
96 	}
97 	bag->type = OBJ_nid2obj(NID_keyBag);
98 	bag->value.keybag = p8;
99 	return bag;
100 }
101 
102 /* Turn PKCS8 object into a shrouded keybag */
103 
104 PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
105 	     int passlen, unsigned char *salt, int saltlen, int iter,
106 	     PKCS8_PRIV_KEY_INFO *p8)
107 {
108 	PKCS12_SAFEBAG *bag;
109 
110 	/* Set up the safe bag */
111 	if (!(bag = PKCS12_SAFEBAG_new())) {
112 		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
113 		return NULL;
114 	}
115 
116 	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
117 	if (!(bag->value.shkeybag =
118 	  PKCS8_encrypt(pbe_nid, NULL, pass, passlen, salt, saltlen, iter,
119 									 p8))) {
120 		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
121 		return NULL;
122 	}
123 
124 	return bag;
125 }
126 
127 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
128 PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
129 {
130 	PKCS7 *p7;
131 	if (!(p7 = PKCS7_new())) {
132 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
133 		return NULL;
134 	}
135 	p7->type = OBJ_nid2obj(NID_pkcs7_data);
136 	if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
137 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
138 		return NULL;
139 	}
140 
141 	if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
142 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
143 		return NULL;
144 	}
145 	return p7;
146 }
147 
148 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
149 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
150 {
151 	if(!PKCS7_type_is_data(p7))
152 		{
153 		PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,PKCS12_R_CONTENT_TYPE_NOT_DATA);
154 		return NULL;
155 		}
156 	return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
157 }
158 
159 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
160 
161 PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
162 			      unsigned char *salt, int saltlen, int iter,
163 			      STACK_OF(PKCS12_SAFEBAG) *bags)
164 {
165 	PKCS7 *p7;
166 	X509_ALGOR *pbe;
167 	if (!(p7 = PKCS7_new())) {
168 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
169 		return NULL;
170 	}
171 	if(!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
172 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
173 				PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
174 		return NULL;
175 	}
176 	if (!(pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen))) {
177 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
178 		return NULL;
179 	}
180 	X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
181 	p7->d.encrypted->enc_data->algorithm = pbe;
182 	M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
183 	if (!(p7->d.encrypted->enc_data->enc_data =
184 	PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen,
185 				 bags, 1))) {
186 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
187 		return NULL;
188 	}
189 
190 	return p7;
191 }
192 
193 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)
194 {
195 	if(!PKCS7_type_is_encrypted(p7)) return NULL;
196 	return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
197 			           ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
198 				   pass, passlen,
199 			           p7->d.encrypted->enc_data->enc_data, 1);
200 }
201 
202 PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass,
203 								int passlen)
204 {
205 	return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
206 }
207 
208 int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
209 {
210 	if(ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
211 		&p12->authsafes->d.data))
212 			return 1;
213 	return 0;
214 }
215 
216 STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
217 {
218 	if (!PKCS7_type_is_data(p12->authsafes))
219 		{
220 		PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,PKCS12_R_CONTENT_TYPE_NOT_DATA);
221 		return NULL;
222 		}
223 	return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
224 }
225