A local copy of OpenSSL from GitHub
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openssl/crypto/pkcs12/p12_crpt.c

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/* 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 NO_RC4
EVP_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 NO_DES
EVP_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 NO_RC2
EVP_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, EVP_CIPHER *cipher, EVP_MD *md, int en_de)
{
PBEPARAM *pbe;
int saltlen, iter;
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);
EVP_CipherInit(ctx, cipher, key, iv, en_de);
memset(key, 0, EVP_MAX_KEY_LENGTH);
memset(iv, 0, EVP_MAX_IV_LENGTH);
return 1;
}