121 lines
4.3 KiB
C
Executable file
121 lines
4.3 KiB
C
Executable file
/* $OpenBSD: p12_crpt.c,v 1.15 2021/07/09 14:07:59 tb 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 <string.h>
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#include <openssl/err.h>
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#include <openssl/pkcs12.h>
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/* PKCS#12 PBE algorithms now in static table */
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void
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PKCS12_PBE_add(void)
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{
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}
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int
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PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
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ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
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{
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PBEPARAM *pbe;
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int saltlen, iter, ret;
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unsigned char *salt;
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const unsigned char *pbuf;
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unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
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/* Extract useful info from parameter */
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if (param == NULL || param->type != V_ASN1_SEQUENCE ||
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param->value.sequence == NULL) {
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PKCS12error(PKCS12_R_DECODE_ERROR);
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return 0;
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}
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pbuf = param->value.sequence->data;
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if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
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PKCS12error(PKCS12_R_DECODE_ERROR);
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return 0;
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}
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if (!pbe->iter)
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iter = 1;
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else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
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PKCS12error(PKCS12_R_DECODE_ERROR);
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PBEPARAM_free(pbe);
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return 0;
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}
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salt = pbe->salt->data;
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saltlen = pbe->salt->length;
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if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
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iter, EVP_CIPHER_key_length(cipher), key, md)) {
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PKCS12error(PKCS12_R_KEY_GEN_ERROR);
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PBEPARAM_free(pbe);
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return 0;
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}
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if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID,
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iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
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PKCS12error(PKCS12_R_IV_GEN_ERROR);
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PBEPARAM_free(pbe);
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return 0;
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}
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PBEPARAM_free(pbe);
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ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
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explicit_bzero(key, EVP_MAX_KEY_LENGTH);
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explicit_bzero(iv, EVP_MAX_IV_LENGTH);
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return ret;
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}
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