/* p12_crpt.c *//* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 1999. *//* ==================================================================== * Copyright (c) 1999 The OpenSSL Project.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer.  * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. All advertising materials mentioning features or use of this *    software must display the following acknowledgment: *    "This product includes software developed by the OpenSSL Project *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to *    endorse or promote products derived from this software without *    prior written permission. For written permission, please contact *    licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" *    nor may "OpenSSL" appear in their names without prior written *    permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following *    acknowledgment: *    "This product includes software developed by the OpenSSL Project *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com).  This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */#include <stdio.h>#include "cryptlib.h"#include <openssl/pkcs12.h>/* PKCS#12 specific PBE functions */void PKCS12_PBE_add(void){#ifndef OPENSSL_NO_RC4EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(),							 PKCS12_PBE_keyivgen);EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(),							 PKCS12_PBE_keyivgen);#endif#ifndef OPENSSL_NO_DESEVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC,		 	EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen);EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, 			EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen);#endif#ifndef OPENSSL_NO_RC2EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(),					EVP_sha1(), PKCS12_PBE_keyivgen);EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(),					EVP_sha1(), PKCS12_PBE_keyivgen);#endif}int PKCS12_PBE_keyivgen (EVP_CIPHER_CTX *ctx, const char *pass, int passlen,		ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de){	PBEPARAM *pbe;	int saltlen, iter, ret;	unsigned char *salt, *pbuf;	unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];	/* Extract useful info from parameter */	pbuf = param->value.sequence->data;	if (!param || (param->type != V_ASN1_SEQUENCE) ||	   !(pbe = d2i_PBEPARAM (NULL, &pbuf, param->value.sequence->length))) {		EVPerr(PKCS12_F_PKCS12_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);		return 0;	}	if (!pbe->iter) iter = 1;	else iter = ASN1_INTEGER_get (pbe->iter);	salt = pbe->salt->data;	saltlen = pbe->salt->length;	if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID,			     iter, EVP_CIPHER_key_length(cipher), key, md)) {		PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR);		PBEPARAM_free(pbe);		return 0;	}	if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID,				iter, EVP_CIPHER_iv_length(cipher), iv, md)) {		PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR);		PBEPARAM_free(pbe);		return 0;	}	PBEPARAM_free(pbe);	ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);	OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);	OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);	return ret;}