d339187b1a
prototype hack. This unfortunately means that every ASN1_*_END construct cannot have a trailing ;
122 lines
4.3 KiB
C
122 lines
4.3 KiB
C
/* p5_pbe.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/asn1t.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/rand.h>
|
|
|
|
/* PKCS#5 password based encryption structure */
|
|
|
|
ASN1_SEQUENCE(PBEPARAM) = {
|
|
ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
|
|
ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
|
|
} ASN1_SEQUENCE_END(PBEPARAM)
|
|
|
|
IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
|
|
|
|
/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
|
|
|
|
X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt,
|
|
int saltlen)
|
|
{
|
|
PBEPARAM *pbe;
|
|
ASN1_OBJECT *al;
|
|
X509_ALGOR *algor;
|
|
ASN1_TYPE *astype;
|
|
|
|
if (!(pbe = PBEPARAM_new ())) {
|
|
ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
if(iter <= 0) iter = PKCS5_DEFAULT_ITER;
|
|
ASN1_INTEGER_set (pbe->iter, iter);
|
|
if (!saltlen) saltlen = PKCS5_SALT_LEN;
|
|
if (!(pbe->salt->data = OPENSSL_malloc (saltlen))) {
|
|
ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
pbe->salt->length = saltlen;
|
|
if (salt) memcpy (pbe->salt->data, salt, saltlen);
|
|
else if (RAND_pseudo_bytes (pbe->salt->data, saltlen) < 0)
|
|
return NULL;
|
|
|
|
if (!(astype = ASN1_TYPE_new())) {
|
|
ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
|
|
astype->type = V_ASN1_SEQUENCE;
|
|
if(!ASN1_pack_string(pbe, i2d_PBEPARAM, &astype->value.sequence)) {
|
|
ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
PBEPARAM_free (pbe);
|
|
|
|
al = OBJ_nid2obj(alg); /* never need to free al */
|
|
if (!(algor = X509_ALGOR_new())) {
|
|
ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
ASN1_OBJECT_free(algor->algorithm);
|
|
algor->algorithm = al;
|
|
algor->parameter = astype;
|
|
|
|
return (algor);
|
|
}
|