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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 
PKCS12_item_pack_safebag(void * obj,const ASN1_ITEM * it,int nid1,int nid2)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 
PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO * p8)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 
PKCS12_MAKE_SHKEYBAG(int pbe_nid,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,PKCS8_PRIV_KEY_INFO * p8)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 	const EVP_CIPHER *pbe_ciph;
110 
111 	/* Set up the safe bag */
112 	if (!(bag = PKCS12_SAFEBAG_new())) {
113 		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
114 		return NULL;
115 	}
116 
117 	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
118 
119 	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
120 
121 	if (pbe_ciph)
122 		pbe_nid = -1;
123 
124 	if (!(bag->value.shkeybag =
125 	  PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
126 									 p8))) {
127 		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
128 		return NULL;
129 	}
130 
131 	return bag;
132 }
133 
134 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
PKCS12_pack_p7data(STACK_OF (PKCS12_SAFEBAG)* sk)135 PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
136 {
137 	PKCS7 *p7;
138 	if (!(p7 = PKCS7_new())) {
139 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
140 		return NULL;
141 	}
142 	p7->type = OBJ_nid2obj(NID_pkcs7_data);
143 	if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
144 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
145 		return NULL;
146 	}
147 
148 	if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
149 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
150 		return NULL;
151 	}
152 	return p7;
153 }
154 
155 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
STACK_OF(PKCS12_SAFEBAG)156 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
157 {
158 	if(!PKCS7_type_is_data(p7))
159 		{
160 		PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,PKCS12_R_CONTENT_TYPE_NOT_DATA);
161 		return NULL;
162 		}
163 	return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
164 }
165 
166 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
167 
PKCS12_pack_p7encdata(int pbe_nid,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,STACK_OF (PKCS12_SAFEBAG)* bags)168 PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
169 			      unsigned char *salt, int saltlen, int iter,
170 			      STACK_OF(PKCS12_SAFEBAG) *bags)
171 {
172 	PKCS7 *p7;
173 	X509_ALGOR *pbe;
174 	const EVP_CIPHER *pbe_ciph;
175 	if (!(p7 = PKCS7_new())) {
176 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
177 		return NULL;
178 	}
179 	if(!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
180 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
181 				PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
182 		return NULL;
183 	}
184 
185 	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
186 
187 	if (pbe_ciph)
188 		pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
189 	else
190 		pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
191 
192 	if (!pbe) {
193 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
194 		return NULL;
195 	}
196 	X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
197 	p7->d.encrypted->enc_data->algorithm = pbe;
198 	M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
199 	if (!(p7->d.encrypted->enc_data->enc_data =
200 	PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen,
201 				 bags, 1))) {
202 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
203 		return NULL;
204 	}
205 
206 	return p7;
207 }
208 
STACK_OF(PKCS12_SAFEBAG)209 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)
210 {
211 	if(!PKCS7_type_is_encrypted(p7)) return NULL;
212 	return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
213 			           ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
214 				   pass, passlen,
215 			           p7->d.encrypted->enc_data->enc_data, 1);
216 }
217 
PKCS12_decrypt_skey(PKCS12_SAFEBAG * bag,const char * pass,int passlen)218 PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass,
219 								int passlen)
220 {
221 	return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
222 }
223 
PKCS12_pack_authsafes(PKCS12 * p12,STACK_OF (PKCS7)* safes)224 int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
225 {
226 	if(ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
227 		&p12->authsafes->d.data))
228 			return 1;
229 	return 0;
230 }
231 
STACK_OF(PKCS7)232 STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
233 {
234 	if (!PKCS7_type_is_data(p12->authsafes))
235 		{
236 		PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,PKCS12_R_CONTENT_TYPE_NOT_DATA);
237 		return NULL;
238 		}
239 	return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
240 }
241