GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/pkcs12/p12_add.c Lines: 50 94 53.2 %
Date: 2017-11-13 Branches: 18 38 47.4 %

Line Branch Exec Source
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/* $OpenBSD: p12_add.c,v 1.15 2017/01/29 17:49:23 beck Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) 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 <openssl/err.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 *
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PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, 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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		PKCS12error(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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		PKCS12error(ERR_R_MALLOC_FAILURE);
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		PKCS12_BAGS_free(bag);
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		return NULL;
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	}
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	if (!(safebag = PKCS12_SAFEBAG_new())) {
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		PKCS12error(ERR_R_MALLOC_FAILURE);
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		PKCS12_BAGS_free(bag);
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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 *
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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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		PKCS12error(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 *
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PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass, int passlen,
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    unsigned char *salt, int saltlen, int iter, 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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	/* Set up the safe bag */
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4
	if (!(bag = PKCS12_SAFEBAG_new())) {
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		PKCS12error(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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	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
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	if (pbe_ciph)
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		pbe_nid = -1;
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	if (!(bag->value.shkeybag = PKCS8_encrypt(pbe_nid, pbe_ciph, pass,
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	    passlen, salt, saltlen, iter, p8))) {
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		PKCS12error(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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	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 *
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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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		PKCS12error(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 = ASN1_OCTET_STRING_new())) {
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		PKCS12error(ERR_R_MALLOC_FAILURE);
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		goto err;
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	}
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	if (!ASN1_item_pack(sk, &PKCS12_SAFEBAGS_it, &p7->d.data)) {
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		PKCS12error(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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err:
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	PKCS7_free(p7);
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	return NULL;
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2
}
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/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
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STACK_OF(PKCS12_SAFEBAG) *
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PKCS12_unpack_p7data(PKCS7 *p7)
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{
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	if (!PKCS7_type_is_data(p7)) {
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		PKCS12error(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, &PKCS12_SAFEBAGS_it);
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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 *
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PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
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    unsigned char *salt, int saltlen, int iter, 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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		PKCS12error(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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		PKCS12error(PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
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		goto err;
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	}
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	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
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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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	if (!pbe) {
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		PKCS12error(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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	ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
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	if (!(p7->d.encrypted->enc_data->enc_data = PKCS12_item_i2d_encrypt(
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	    pbe, &PKCS12_SAFEBAGS_it, pass, passlen, bags, 1))) {
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		PKCS12error(PKCS12_R_ENCRYPT_ERROR);
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		goto err;
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	}
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	return p7;
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err:
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	PKCS7_free(p7);
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	return NULL;
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2
}
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STACK_OF(PKCS12_SAFEBAG) *
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PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, 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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	    &PKCS12_SAFEBAGS_it, 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 *
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PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, 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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int
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PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
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{
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	if (ASN1_item_pack(safes, &PKCS12_AUTHSAFES_it,
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2
	    &p12->authsafes->d.data))
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		return 1;
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	return 0;
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2
}
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STACK_OF(PKCS7) *
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PKCS12_unpack_authsafes(PKCS12 *p12)
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{
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	if (!PKCS7_type_is_data(p12->authsafes)) {
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		PKCS12error(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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	    &PKCS12_AUTHSAFES_it);
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4
}