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19da130053
reduce linker bloat. For example the single line: PEM_read_X509() results in a binary of around 400K in Linux! This first step separates some of the PEM functions and avoids linking in some PKCS#7 and PKCS#12 code.
216 lines
7.1 KiB
C
216 lines
7.1 KiB
C
/* p12_add.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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* project 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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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/pkcs12.h>
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/* Pack an object into an OCTET STRING and turn into a safebag */
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PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1,
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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_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_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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if (!(safebag = PKCS12_SAFEBAG_new())) {
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PKCS12err(PKCS12_F_PKCS12_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
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return NULL;
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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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/* Turn PKCS8 object into a keybag */
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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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/* Turn PKCS8 object into a shrouded keybag */
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PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
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int passlen, unsigned char *salt, 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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/* 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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bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
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if (!(bag->value.shkeybag =
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PKCS8_encrypt(pbe_nid, NULL, 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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return NULL;
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}
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return bag;
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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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return NULL;
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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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return NULL;
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}
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return p7;
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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)) return NULL;
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return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
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}
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/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
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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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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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return NULL;
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}
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if (!(pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen))) {
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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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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, passlen,
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bags, 1))) {
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PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
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return NULL;
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}
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return p7;
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}
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STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)
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{
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if(!PKCS7_type_is_encrypted(p7)) 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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PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass,
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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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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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STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
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{
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return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
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}
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