[thirdparty/openssl.git] / crypto / asn1 / p5_pbe.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/asn1_mac.h>
#include <openssl/rand.h>

/* PKCS#5 password based encryption structure */

#define PKCS5_SALT_LEN	8

/*
 *ASN1err(ASN1_F_PBEPARAM_NEW,ASN1_R_DECODE_ERROR)
 *ASN1err(ASN1_F_D2I_PBEPARAM,ASN1_R_DECODE_ERROR)
 */

int i2d_PBEPARAM(PBEPARAM *a, unsigned char **pp)
{
	M_ASN1_I2D_vars(a);
	M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_len (a->iter, i2d_ASN1_INTEGER);

	M_ASN1_I2D_seq_total ();

	M_ASN1_I2D_put (a->salt, i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_put (a->iter, i2d_ASN1_INTEGER);
	M_ASN1_I2D_finish();
}

PBEPARAM *PBEPARAM_new(void)
{
	PBEPARAM *ret=NULL;
	ASN1_CTX c;
	M_ASN1_New_Malloc(ret, PBEPARAM);
	M_ASN1_New(ret->iter,ASN1_INTEGER_new);
	M_ASN1_New(ret->salt,ASN1_OCTET_STRING_new);
	return (ret);
	M_ASN1_New_Error(ASN1_F_PBEPARAM_NEW);
}

PBEPARAM *d2i_PBEPARAM(PBEPARAM **a, unsigned char **pp, long length)
{
	M_ASN1_D2I_vars(a,PBEPARAM *,PBEPARAM_new);
	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get (ret->salt, d2i_ASN1_OCTET_STRING);
	M_ASN1_D2I_get (ret->iter, d2i_ASN1_INTEGER);
	M_ASN1_D2I_Finish(a, PBEPARAM_free, ASN1_F_D2I_PBEPARAM);
}

void PBEPARAM_free (PBEPARAM *a)
{
	if(a==NULL) return;
	ASN1_OCTET_STRING_free(a->salt);
	ASN1_INTEGER_free (a->iter);
	Free ((char *)a);
}

/* Return an algorithm identifier for a PKCS#5 PBE algorithm */

X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt,
	     int saltlen)
{
	unsigned char *pdata, *ptmp;
	int plen;
	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;
	}
	ASN1_INTEGER_set (pbe->iter, iter);
	if (!saltlen) saltlen = PKCS5_SALT_LEN;
	if (!(pbe->salt->data = 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 RAND_bytes (pbe->salt->data, saltlen);
	if (!(plen = i2d_PBEPARAM (pbe, NULL))) {
		ASN1err(ASN1_F_ASN1_PBE_SET,ASN1_R_ENCODE_ERROR);
		return NULL;
	}
	if (!(pdata = Malloc (plen))) {
		ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
		return NULL;
	}
	ptmp = pdata;
	i2d_PBEPARAM (pbe, &ptmp);
	PBEPARAM_free (pbe);

	if (!(astype = ASN1_TYPE_new())) {
		ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
		return NULL;
	}

	astype->type = V_ASN1_SEQUENCE;
	if (!(astype->value.sequence=ASN1_STRING_new())) {
		ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
		return NULL;
	}
	ASN1_STRING_set (astype->value.sequence, pdata, plen);
	Free (pdata);
	
	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);
}
Commit	Line	Data
cfcefcbe DSH	1	/* p5_pbe.c */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 1999.
	4	*/
	5	/* ====================================================================
	6	* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* licensing@OpenSSL.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
	58
	59	#include <stdio.h>
	60	#include "cryptlib.h"
ec577822 BM	61	#include <openssl/asn1_mac.h>
ec577822 BM	62	#include <openssl/rand.h>
cfcefcbe DSH	63
	64	/* PKCS#5 password based encryption structure */
	65
8d8c7266 DSH	66	#define PKCS5_SALT_LEN 8
8d8c7266 DSH	67
cfcefcbe	68	/*
ba860801 DSH	69	*ASN1err(ASN1_F_PBEPARAM_NEW,ASN1_R_DECODE_ERROR)
ba860801 DSH	70	*ASN1err(ASN1_F_D2I_PBEPARAM,ASN1_R_DECODE_ERROR)
cfcefcbe DSH	71	*/
cfcefcbe DSH	72
6b691a5c	73	int i2d_PBEPARAM(PBEPARAM a, unsigned char *pp)
cfcefcbe DSH	74	{
	75	M_ASN1_I2D_vars(a);
	76	M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING);
	77	M_ASN1_I2D_len (a->iter, i2d_ASN1_INTEGER);
	78
	79	M_ASN1_I2D_seq_total ();
	80
	81	M_ASN1_I2D_put (a->salt, i2d_ASN1_OCTET_STRING);
	82	M_ASN1_I2D_put (a->iter, i2d_ASN1_INTEGER);
	83	M_ASN1_I2D_finish();
	84	}
	85
6b691a5c	86	PBEPARAM *PBEPARAM_new(void)
cfcefcbe DSH	87	{
	88	PBEPARAM *ret=NULL;
	89	ASN1_CTX c;
	90	M_ASN1_New_Malloc(ret, PBEPARAM);
	91	M_ASN1_New(ret->iter,ASN1_INTEGER_new);
	92	M_ASN1_New(ret->salt,ASN1_OCTET_STRING_new);
	93	return (ret);
	94	M_ASN1_New_Error(ASN1_F_PBEPARAM_NEW);
	95	}
	96
6b691a5c	97	PBEPARAM d2i_PBEPARAM(PBEPARAM a, unsigned char *pp, long length)
cfcefcbe DSH	98	{
	99	M_ASN1_D2I_vars(a,PBEPARAM *,PBEPARAM_new);
	100	M_ASN1_D2I_Init();
	101	M_ASN1_D2I_start_sequence();
	102	M_ASN1_D2I_get (ret->salt, d2i_ASN1_OCTET_STRING);
	103	M_ASN1_D2I_get (ret->iter, d2i_ASN1_INTEGER);
	104	M_ASN1_D2I_Finish(a, PBEPARAM_free, ASN1_F_D2I_PBEPARAM);
	105	}
	106
6b691a5c	107	void PBEPARAM_free (PBEPARAM *a)
cfcefcbe DSH	108	{
	109	if(a==NULL) return;
	110	ASN1_OCTET_STRING_free(a->salt);
	111	ASN1_INTEGER_free (a->iter);
	112	Free ((char *)a);
	113	}
8d8c7266 DSH	114
	115	/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
	116
6b691a5c UM	117	X509_ALGOR PKCS5_pbe_set(int alg, int iter, unsigned char salt,
6b691a5c UM	118	int saltlen)
8d8c7266 DSH	119	{
	120	unsigned char pdata, ptmp;
	121	int plen;
	122	PBEPARAM *pbe;
	123	ASN1_OBJECT *al;
	124	X509_ALGOR *algor;
	125	ASN1_TYPE *astype;
	126
	127	if (!(pbe = PBEPARAM_new ())) {
	128	ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
	129	return NULL;
	130	}
	131	ASN1_INTEGER_set (pbe->iter, iter);
	132	if (!saltlen) saltlen = PKCS5_SALT_LEN;
	133	if (!(pbe->salt->data = Malloc (saltlen))) {
	134	ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
	135	return NULL;
	136	}
	137	pbe->salt->length = saltlen;
	138	if (salt) memcpy (pbe->salt->data, salt, saltlen);
	139	else RAND_bytes (pbe->salt->data, saltlen);
	140	if (!(plen = i2d_PBEPARAM (pbe, NULL))) {
	141	ASN1err(ASN1_F_ASN1_PBE_SET,ASN1_R_ENCODE_ERROR);
	142	return NULL;
	143	}
	144	if (!(pdata = Malloc (plen))) {
	145	ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
	146	return NULL;
	147	}
	148	ptmp = pdata;
	149	i2d_PBEPARAM (pbe, &ptmp);
	150	PBEPARAM_free (pbe);
	151
	152	if (!(astype = ASN1_TYPE_new())) {
	153	ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
	154	return NULL;
	155	}
	156
	157	astype->type = V_ASN1_SEQUENCE;
	158	if (!(astype->value.sequence=ASN1_STRING_new())) {
	159	ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
	160	return NULL;
	161	}
	162	ASN1_STRING_set (astype->value.sequence, pdata, plen);
	163	Free (pdata);
	164
	165	al = OBJ_nid2obj(alg); /* never need to free al */
	166	if (!(algor = X509_ALGOR_new())) {
	167	ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
	168	return NULL;
	169	}
	170	ASN1_OBJECT_free(algor->algorithm);
	171	algor->algorithm = al;
	172	algor->parameter = astype;
	173
	174	return (algor);
	175	}