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			259 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			259 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* p12_add.c */
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| /*
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|  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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|  * 1999.
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|  */
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| /* ====================================================================
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|  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in
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|  *    the documentation and/or other materials provided with the
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|  *    distribution.
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|  *
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|  * 3. All advertising materials mentioning features or use of this
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|  *    software must display the following acknowledgment:
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|  *    "This product includes software developed by the OpenSSL Project
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|  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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|  *
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|  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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|  *    endorse or promote products derived from this software without
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|  *    prior written permission. For written permission, please contact
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|  *    licensing@OpenSSL.org.
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|  *
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|  * 5. Products derived from this software may not be called "OpenSSL"
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|  *    nor may "OpenSSL" appear in their names without prior written
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|  *    permission of the OpenSSL Project.
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|  *
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|  * 6. Redistributions of any form whatsoever must retain the following
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|  *    acknowledgment:
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|  *    "This product includes software developed by the OpenSSL Project
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|  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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|  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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|  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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|  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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|  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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|  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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|  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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|  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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|  * OF THE POSSIBILITY OF SUCH DAMAGE.
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|  * ====================================================================
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|  *
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|  * This product includes cryptographic software written by Eric Young
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|  * (eay@cryptsoft.com).  This product includes software written by Tim
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|  * Hudson (tjh@cryptsoft.com).
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|  *
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|  */
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| 
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| #include <stdio.h>
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| #include "cryptlib.h"
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| #include <openssl/pkcs12.h>
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| 
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| /* Pack an object into an OCTET STRING and turn into a safebag */
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| 
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| PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it,
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|                                          int nid1, int nid2)
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| {
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|     PKCS12_BAGS *bag;
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|     PKCS12_SAFEBAG *safebag;
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|     if (!(bag = PKCS12_BAGS_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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|     bag->type = OBJ_nid2obj(nid1);
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|     if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
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|         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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|     if (!(safebag = PKCS12_SAFEBAG_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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|     safebag->value.bag = bag;
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|     safebag->type = OBJ_nid2obj(nid2);
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|     return safebag;
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| 
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|  err:
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|     PKCS12_BAGS_free(bag);
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|     return NULL;
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| }
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| 
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| /* Turn PKCS8 object into a keybag */
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| 
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| PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
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| {
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|     PKCS12_SAFEBAG *bag;
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|     if (!(bag = PKCS12_SAFEBAG_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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|     bag->type = OBJ_nid2obj(NID_keyBag);
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|     bag->value.keybag = p8;
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|     return bag;
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| }
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| 
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| /* Turn PKCS8 object into a shrouded keybag */
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| 
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| PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
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|                                      int passlen, unsigned char *salt,
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|                                      int saltlen, int iter,
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|                                      PKCS8_PRIV_KEY_INFO *p8)
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| {
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|     PKCS12_SAFEBAG *bag;
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|     const EVP_CIPHER *pbe_ciph;
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| 
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|     /* Set up the safe bag */
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|     if (!(bag = PKCS12_SAFEBAG_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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| 
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|     bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
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| 
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|     pbe_ciph = EVP_get_cipherbynid(pbe_nid);
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| 
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|     if (pbe_ciph)
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|         pbe_nid = -1;
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| 
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|     if (!(bag->value.shkeybag =
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|           PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
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|                         p8))) {
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|         PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
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|         PKCS12_SAFEBAG_free(bag);
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|         return NULL;
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|     }
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| 
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|     return bag;
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| }
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| 
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| /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
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| PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
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| {
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|     PKCS7 *p7;
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|     if (!(p7 = PKCS7_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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|     p7->type = OBJ_nid2obj(NID_pkcs7_data);
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|     if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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| 
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|     if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
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|         goto err;
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|     }
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|     return p7;
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| 
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|  err:
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|     PKCS7_free(p7);
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|     return NULL;
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| }
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| 
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| /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
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| STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
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| {
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|     if (!PKCS7_type_is_data(p7)) {
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|         PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,
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|                   PKCS12_R_CONTENT_TYPE_NOT_DATA);
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|         return NULL;
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|     }
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|     return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
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| }
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| 
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| /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
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| 
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| PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
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|                              unsigned char *salt, int saltlen, int iter,
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|                              STACK_OF(PKCS12_SAFEBAG) *bags)
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| {
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|     PKCS7 *p7;
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|     X509_ALGOR *pbe;
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|     const EVP_CIPHER *pbe_ciph;
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|     if (!(p7 = PKCS7_new())) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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|     if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
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|                   PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
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|         goto err;
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|     }
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| 
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|     pbe_ciph = EVP_get_cipherbynid(pbe_nid);
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| 
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|     if (pbe_ciph)
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|         pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
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|     else
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|         pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
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| 
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|     if (!pbe) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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|     X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
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|     p7->d.encrypted->enc_data->algorithm = pbe;
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|     M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
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|     if (!(p7->d.encrypted->enc_data->enc_data =
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|           PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
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|                                   passlen, bags, 1))) {
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|         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
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|         goto err;
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|     }
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| 
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|     return p7;
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| 
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|  err:
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|     PKCS7_free(p7);
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|     return NULL;
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| }
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| 
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| STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass,
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|                                                   int passlen)
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| {
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|     if (!PKCS7_type_is_encrypted(p7))
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|         return NULL;
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|     return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
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|                                    ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
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|                                    pass, passlen,
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|                                    p7->d.encrypted->enc_data->enc_data, 1);
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| }
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| 
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| PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag,
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|                                          const char *pass, int passlen)
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| {
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|     return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
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| }
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| 
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| int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
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| {
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|     if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
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|                        &p12->authsafes->d.data))
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|         return 1;
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|     return 0;
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| }
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| 
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| STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
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| {
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|     if (!PKCS7_type_is_data(p12->authsafes)) {
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|         PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,
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|                   PKCS12_R_CONTENT_TYPE_NOT_DATA);
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|         return NULL;
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|     }
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|     return ASN1_item_unpack(p12->authsafes->d.data,
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|                             ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
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| }
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