[thirdparty/openssl.git] / crypto / evp / evp_pbe.c

/* evp_pbe.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 1999.
 */
/* ====================================================================
 * Copyright (c) 1999-2006 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/evp.h>
#include <openssl/pkcs12.h>
#include <openssl/x509.h>

/* Password based encryption (PBE) functions */

static STACK *pbe_algs;

/* Setup a cipher context from a PBE algorithm */

typedef struct
	{
	int pbe_type;
	int pbe_nid;
	int cipher_nid;
	int md_nid;
	EVP_PBE_KEYGEN *keygen;
	} EVP_PBE_CTL;

static const EVP_PBE_CTL builtin_pbe[] = 
	{
	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
			NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
			NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
			NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},

	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
			NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
			NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
		 	NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC, 
			NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
			NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
			NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},

#ifndef OPENSSL_NO_HMAC
	{EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
#endif
	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
			NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
			NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
	{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
			NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},


	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
	{EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
	{EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
	};

#ifdef TEST
int main(int argc, char **argv)
	{
	int i, nid_md, nid_cipher;
	EVP_PBE_CTL *tpbe, *tpbe2;
	/*OpenSSL_add_all_algorithms();*/

	for (i = 0; i < sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL); i++)
		{
		tpbe = builtin_pbe + i;
		fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid,
						OBJ_nid2sn(tpbe->pbe_nid));
		if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid,
					&nid_cipher ,&nid_md,0))
			fprintf(stderr, "Found %s %s\n",
					OBJ_nid2sn(nid_cipher),
					OBJ_nid2sn(nid_md));
		else
			fprintf(stderr, "Find ERROR!!\n");
		}

	return 0;
	}
#endif
		

int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
	     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
	{
	const EVP_CIPHER *cipher;
	const EVP_MD *md;
	int cipher_nid, md_nid;
	EVP_PBE_KEYGEN *keygen;

	if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
					&cipher_nid, &md_nid, &keygen))
		{
		char obj_tmp[80];
		EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
		if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
		else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
		ERR_add_error_data(2, "TYPE=", obj_tmp);
		return 0;
		}

	if(!pass)
		passlen = 0;
	else if (passlen == -1)
		passlen = strlen(pass);

	if (cipher_nid == -1)
		cipher = NULL;
	else
		cipher = EVP_get_cipherbynid(cipher_nid);

	if (md_nid == -1)
		md = NULL;
	else
		md = EVP_get_digestbynid(md_nid);

	if (!keygen(ctx, pass, passlen, param, cipher, md, en_de))
		{
		EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE);
		return 0;
		}
	return 1;	
}

static int pbe_cmp2(const void *a, const void *b)
	{
	const EVP_PBE_CTL *pbe1 = a;
	const EVP_PBE_CTL *pbe2 = b;
	int ret = pbe1->pbe_type - pbe2->pbe_type;
	if (ret)
		return ret;
	else
		return pbe1->pbe_nid - pbe2->pbe_nid;
	}

static int pbe_cmp(const char * const *a, const char * const *b)
	{
	const EVP_PBE_CTL * const *pbe1 = (const EVP_PBE_CTL * const *) a,
			* const *pbe2 = (const EVP_PBE_CTL * const *)b;
	int ret = (*pbe1)->pbe_type - (*pbe2)->pbe_type;
	if (ret)
		return ret;
	else
		return (*pbe1)->pbe_nid - (*pbe2)->pbe_nid;
	}

/* Add a PBE algorithm */

int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
	     EVP_PBE_KEYGEN *keygen)
	{
	EVP_PBE_CTL *pbe_tmp;
	if (!pbe_algs)
		pbe_algs = sk_new(pbe_cmp);
	if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL))))
		{
		EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,ERR_R_MALLOC_FAILURE);
		return 0;
		}
	pbe_tmp->pbe_type = pbe_type;
	pbe_tmp->pbe_nid = pbe_nid;
	pbe_tmp->cipher_nid = cipher_nid;
	pbe_tmp->md_nid = md_nid;
	pbe_tmp->keygen = keygen;


	sk_push (pbe_algs, (char *)pbe_tmp);
	return 1;
	}

int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
	     EVP_PBE_KEYGEN *keygen)
	{
	int cipher_nid, md_nid;
	if (cipher)
		cipher_nid = EVP_CIPHER_type(cipher);
	else
		cipher_nid = -1;
	if (md)
		md_nid = EVP_MD_type(md);
	else
		md_nid = -1;

	return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
					cipher_nid, md_nid, keygen);
	}

int EVP_PBE_find(int type, int pbe_nid,
			int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
	{
	EVP_PBE_CTL *pbetmp = NULL, pbelu;
	int i;
	if (pbe_nid == NID_undef)
		return 0;

	pbelu.pbe_type = type;
	pbelu.pbe_nid = pbe_nid;

	if (pbe_algs)
		{
		i = sk_find(pbe_algs, (char *)&pbelu);
		if (i != -1)
			pbetmp = (EVP_PBE_CTL *)sk_value (pbe_algs, i);
		}
	if (pbetmp == NULL)
		{
		pbetmp = (EVP_PBE_CTL *) OBJ_bsearch((char *)&pbelu,
        		(char *)builtin_pbe,
			sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL),
        		sizeof(EVP_PBE_CTL),
			pbe_cmp2);
		}
	if (pbetmp == NULL)
		return 0;
	if (pcnid)
		*pcnid = pbetmp->cipher_nid;
	if (pmnid)
		*pmnid = pbetmp->md_nid;
	if (pkeygen)
		*pkeygen = pbetmp->keygen;
	return 1;
	}
		

void EVP_PBE_cleanup(void)
	{
	sk_pop_free(pbe_algs, OPENSSL_freeFunc);
	pbe_algs = NULL;
	}
Commit	Line	Data
61f5b6f3	1	/* evp_pbe.c */
cfcefcbe DSH	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 1999.
	4	*/
	5	/* ====================================================================
856640b5	6	* Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
cfcefcbe DSH	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>
7b63c0fa	60	#include "cryptlib.h"
ec577822	61	#include <openssl/evp.h>
b8f702a0	62	#include <openssl/pkcs12.h>
ec577822	63	#include <openssl/x509.h>
cfcefcbe DSH	64
	65	/* Password based encryption (PBE) functions */
	66
	67	static STACK *pbe_algs;
	68
	69	/* Setup a cipher context from a PBE algorithm */
	70
856640b5 DSH	71	typedef struct
	72	{
	73	int pbe_type;
	74	int pbe_nid;
	75	int cipher_nid;
	76	int md_nid;
	77	EVP_PBE_KEYGEN *keygen;
	78	} EVP_PBE_CTL;
cfcefcbe	79
560b79cb	80	static const EVP_PBE_CTL builtin_pbe[] =
b8f702a0 DSH	81	{
	82	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
	83	NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
	84	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
	85	NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
	86	{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
	87	NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},
	88
	89	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
	90	NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
	91	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
	92	NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
	93	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
	94	NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	95	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
	96	NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	97	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
	98	NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	99	{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
	100	NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
	101
	102	#ifndef OPENSSL_NO_HMAC
	103	{EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
	104	#endif
	105	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
	106	NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
	107	{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
	108	NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
	109	{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
	110	NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
	111
	112
	113	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
b8f702a0	114	{EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
1631d5f9 DSH	115	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
	116	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
	117	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
	118	{EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
b0ec1146	119	{EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
b8f702a0 DSH	120	};
	121
	122	#ifdef TEST
	123	int main(int argc, char **argv)
	124	{
	125	int i, nid_md, nid_cipher;
	126	EVP_PBE_CTL tpbe, tpbe2;
	127	/OpenSSL_add_all_algorithms();/
	128
	129	for (i = 0; i < sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL); i++)
	130	{
	131	tpbe = builtin_pbe + i;
	132	fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid,
	133	OBJ_nid2sn(tpbe->pbe_nid));
	134	if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid,
	135	&nid_cipher ,&nid_md,0))
	136	fprintf(stderr, "Found %s %s\n",
	137	OBJ_nid2sn(nid_cipher),
	138	OBJ_nid2sn(nid_md));
	139	else
	140	fprintf(stderr, "Find ERROR!!\n");
	141	}
	142
	143	return 0;
	144	}
	145	#endif
	146
	147
	148
8afca8d9	149	int EVP_PBE_CipherInit(ASN1_OBJECT pbe_obj, const char pass, int passlen,
69cbf468	150	ASN1_TYPE param, EVP_CIPHER_CTX ctx, int en_de)
856640b5 DSH	151	{
	152	const EVP_CIPHER *cipher;
	153	const EVP_MD *md;
	154	int cipher_nid, md_nid;
	155	EVP_PBE_KEYGEN *keygen;
cfcefcbe	156
856640b5 DSH	157	if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
	158	&cipher_nid, &md_nid, &keygen))
	159	{
cfcefcbe DSH	160	char obj_tmp[80];
cfcefcbe DSH	161	EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
d420ac2c	162	if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
54a656ef	163	else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
cfcefcbe DSH	164	ERR_add_error_data(2, "TYPE=", obj_tmp);
cfcefcbe DSH	165	return 0;
856640b5 DSH	166	}
	167
	168	if(!pass)
	169	passlen = 0;
	170	else if (passlen == -1)
	171	passlen = strlen(pass);
	172
	173	if (cipher_nid == -1)
	174	cipher = NULL;
	175	else
	176	cipher = EVP_get_cipherbynid(cipher_nid);
	177
	178	if (md_nid == -1)
	179	md = NULL;
	180	else
	181	md = EVP_get_digestbynid(md_nid);
	182
	183	if (!keygen(ctx, pass, passlen, param, cipher, md, en_de))
	184	{
cfcefcbe DSH	185	EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE);
cfcefcbe DSH	186	return 0;
856640b5	187	}
cfcefcbe DSH	188	return 1;
	189	}
	190
b8f702a0 DSH	191	static int pbe_cmp2(const void a, const void b)
	192	{
	193	const EVP_PBE_CTL *pbe1 = a;
	194	const EVP_PBE_CTL *pbe2 = b;
	195	int ret = pbe1->pbe_type - pbe2->pbe_type;
	196	if (ret)
	197	return ret;
	198	else
	199	return pbe1->pbe_nid - pbe2->pbe_nid;
	200	}
	201
13083215	202	static int pbe_cmp(const char * const a, const char const *b)
856640b5	203	{
70f34a58 NL	204	const EVP_PBE_CTL * const pbe1 = (const EVP_PBE_CTL const *) a,
70f34a58 NL	205	* const pbe2 = (const EVP_PBE_CTL const *)b;
856640b5 DSH	206	int ret = (pbe1)->pbe_type - (pbe2)->pbe_type;
	207	if (ret)
	208	return ret;
	209	else
	210	return (pbe1)->pbe_nid - (pbe2)->pbe_nid;
	211	}
cfcefcbe DSH	212
	213	/* Add a PBE algorithm */
	214
856640b5	215	int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
6b691a5c	216	EVP_PBE_KEYGEN *keygen)
856640b5	217	{
cfcefcbe	218	EVP_PBE_CTL *pbe_tmp;
856640b5 DSH	219	if (!pbe_algs)
	220	pbe_algs = sk_new(pbe_cmp);
	221	if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL))))
	222	{
5c95c2ac	223	EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,ERR_R_MALLOC_FAILURE);
cfcefcbe	224	return 0;
856640b5 DSH	225	}
	226	pbe_tmp->pbe_type = pbe_type;
	227	pbe_tmp->pbe_nid = pbe_nid;
	228	pbe_tmp->cipher_nid = cipher_nid;
	229	pbe_tmp->md_nid = md_nid;
cfcefcbe	230	pbe_tmp->keygen = keygen;
856640b5 DSH	231
856640b5 DSH	232
cfcefcbe DSH	233	sk_push (pbe_algs, (char *)pbe_tmp);
cfcefcbe DSH	234	return 1;
856640b5 DSH	235	}
	236
	237	int EVP_PBE_alg_add(int nid, const EVP_CIPHER cipher, const EVP_MD md,
	238	EVP_PBE_KEYGEN *keygen)
	239	{
	240	int cipher_nid, md_nid;
	241	if (cipher)
	242	cipher_nid = EVP_CIPHER_type(cipher);
	243	else
	244	cipher_nid = -1;
	245	if (md)
	246	md_nid = EVP_MD_type(md);
	247	else
	248	md_nid = -1;
	249
	250	return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
	251	cipher_nid, md_nid, keygen);
	252	}
	253
	254	int EVP_PBE_find(int type, int pbe_nid,
	255	int pcnid, int pmnid, EVP_PBE_KEYGEN **pkeygen)
	256	{
b8f702a0	257	EVP_PBE_CTL *pbetmp = NULL, pbelu;
856640b5 DSH	258	int i;
	259	if (pbe_nid == NID_undef)
	260	return 0;
b8f702a0	261
856640b5 DSH	262	pbelu.pbe_type = type;
856640b5 DSH	263	pbelu.pbe_nid = pbe_nid;
b8f702a0 DSH	264
	265	if (pbe_algs)
	266	{
	267	i = sk_find(pbe_algs, (char *)&pbelu);
	268	if (i != -1)
	269	pbetmp = (EVP_PBE_CTL *)sk_value (pbe_algs, i);
	270	}
	271	if (pbetmp == NULL)
	272	{
	273	pbetmp = (EVP_PBE_CTL ) OBJ_bsearch((char )&pbelu,
	274	(char *)builtin_pbe,
	275	sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL),
	276	sizeof(EVP_PBE_CTL),
	277	pbe_cmp2);
	278	}
	279	if (pbetmp == NULL)
856640b5	280	return 0;
856640b5 DSH	281	if (pcnid)
	282	*pcnid = pbetmp->cipher_nid;
	283	if (pmnid)
	284	*pmnid = pbetmp->md_nid;
	285	if (pkeygen)
	286	*pkeygen = pbetmp->keygen;
	287	return 1;
	288	}
	289
	290
ee0508d4	291
6b691a5c	292	void EVP_PBE_cleanup(void)
856640b5	293	{
26a3a48d	294	sk_pop_free(pbe_algs, OPENSSL_freeFunc);
b64f8256	295	pbe_algs = NULL;
856640b5	296	}