[thirdparty/openssl.git] / crypto / evp / e_des3.c

/* crypto/evp/e_des3.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef OPENSSL_NO_DES
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/evp.h>
#include <openssl/objects.h>
#include "evp_locl.h"

static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
			    const unsigned char *iv,int enc);

static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
			     const unsigned char *iv,int enc);

/* Because of various casts and different args can't use IMPLEMENT_BLOCK_CIPHER */

static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
			      const unsigned char *in, unsigned int inl)
{
	BLOCK_CIPHER_ecb_loop()
		des_ecb3_encrypt((des_cblock *)(in + i), (des_cblock *)(out + i), 
			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
			 ctx->encrypt);
	return 1;
}

static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
			      const unsigned char *in, unsigned int inl)
{
	des_ede3_ofb64_encrypt(in, out, (long)inl,
			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
								(des_cblock *)ctx->iv, &ctx->num);
	return 1;
}

static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
			      const unsigned char *in, unsigned int inl)
{
#ifdef KSSL_DEBUG
	{
        int i;
        char *cp;
	printf("des_ede_cbc_cipher(ctx=%lx, buflen=%d)\n", ctx, ctx->buf_len);
	printf("\t iv= ");
        for(i=0;i<8;i++)
                printf("%02X",ctx->iv[i]);
	printf("\n");
	}
#endif    /* KSSL_DEBUG */
	des_ede3_cbc_encrypt(in, out, (long)inl,
			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
 								(des_cblock *)ctx->iv, ctx->encrypt);
	return 1;
}

static int des_ede_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
			      const unsigned char *in, unsigned int inl)
{
	des_ede3_cfb64_encrypt(in, out, (long)inl, 
			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
					(des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
	return 1;
}

#define NID_des_ede_ecb NID_des_ede

BLOCK_CIPHER_defs(des_ede, des_ede, NID_des_ede, 8, 16, 8,
			0, des_ede_init_key, NULL, 
			EVP_CIPHER_set_asn1_iv,
			EVP_CIPHER_get_asn1_iv,
			NULL)

#define NID_des_ede3_ecb NID_des_ede3
#define des_ede3_cfb_cipher des_ede_cfb_cipher
#define des_ede3_ofb_cipher des_ede_ofb_cipher
#define des_ede3_cbc_cipher des_ede_cbc_cipher
#define des_ede3_ecb_cipher des_ede_ecb_cipher

BLOCK_CIPHER_defs(des_ede3, des_ede, NID_des_ede3, 8, 24, 8,
			0, des_ede3_init_key, NULL, 
			EVP_CIPHER_set_asn1_iv,
			EVP_CIPHER_get_asn1_iv,
			NULL)

static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
			    const unsigned char *iv, int enc)
	{
	des_cblock *deskey = (des_cblock *)key;

	des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
	des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
	memcpy( (char *)ctx->c.des_ede.ks3,
			(char *)ctx->c.des_ede.ks1,
			sizeof(ctx->c.des_ede.ks1));
	return 1;
	}

static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
			     const unsigned char *iv, int enc)
	{
	des_cblock *deskey = (des_cblock *)key;
#ifdef KSSL_DEBUG
	{
        int i;
        printf("des_ede3_init_key(ctx=%lx)\n", ctx);
	printf("\tKEY= ");
        for(i=0;i<24;i++) printf("%02X",key[i]); printf("\n");
	printf("\t IV= ");
        for(i=0;i<8;i++) printf("%02X",iv[i]); printf("\n");
	}
#endif	/* KSSL_DEBUG */

	des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
	des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
	des_set_key_unchecked(&deskey[2],ctx->c.des_ede.ks3);

	return 1;
	}

const EVP_CIPHER *EVP_des_ede(void)
{
	return &des_ede_ecb;
}

const EVP_CIPHER *EVP_des_ede3(void)
{
	return &des_ede3_ecb;
}
#endif
Commit	Line	Data
57ae2e24	1	/* crypto/evp/e_des3.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
cf1b7d96	59	#ifndef OPENSSL_NO_DES
d02b48c6 RE	60	#include <stdio.h>
d02b48c6 RE	61	#include "cryptlib.h"
ec577822 BM	62	#include <openssl/evp.h>
ec577822 BM	63	#include <openssl/objects.h>
57ae2e24	64	#include "evp_locl.h"
d02b48c6	65
1921eaad BL	66	static int des_ede_init_key(EVP_CIPHER_CTX ctx, const unsigned char key,
1921eaad BL	67	const unsigned char *iv,int enc);
57ae2e24	68
1921eaad BL	69	static int des_ede3_init_key(EVP_CIPHER_CTX ctx, const unsigned char key,
1921eaad BL	70	const unsigned char *iv,int enc);
d02b48c6	71
57ae2e24	72	/* Because of various casts and different args can't use IMPLEMENT_BLOCK_CIPHER */
d02b48c6	73
1921eaad BL	74	static int des_ede_ecb_cipher(EVP_CIPHER_CTX ctx, unsigned char out,
1921eaad BL	75	const unsigned char *in, unsigned int inl)
57ae2e24 DSH	76	{
	77	BLOCK_CIPHER_ecb_loop()
	78	des_ecb3_encrypt((des_cblock )(in + i), (des_cblock )(out + i),
	79	ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
	80	ctx->encrypt);
	81	return 1;
	82	}
	83
1921eaad BL	84	static int des_ede_ofb_cipher(EVP_CIPHER_CTX ctx, unsigned char out,
1921eaad BL	85	const unsigned char *in, unsigned int inl)
57ae2e24 DSH	86	{
	87	des_ede3_ofb64_encrypt(in, out, (long)inl,
	88	ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
	89	(des_cblock *)ctx->iv, &ctx->num);
	90	return 1;
	91	}
	92
1921eaad BL	93	static int des_ede_cbc_cipher(EVP_CIPHER_CTX ctx, unsigned char out,
1921eaad BL	94	const unsigned char *in, unsigned int inl)
57ae2e24	95	{
f9b3bff6 RL	96	#ifdef KSSL_DEBUG
	97	{
	98	int i;
	99	char *cp;
	100	printf("des_ede_cbc_cipher(ctx=%lx, buflen=%d)\n", ctx, ctx->buf_len);
	101	printf("\t iv= ");
	102	for(i=0;i<8;i++)
	103	printf("%02X",ctx->iv[i]);
	104	printf("\n");
	105	}
	106	#endif /* KSSL_DEBUG */
57ae2e24 DSH	107	des_ede3_cbc_encrypt(in, out, (long)inl,
	108	ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
	109	(des_cblock *)ctx->iv, ctx->encrypt);
	110	return 1;
	111	}
	112
1921eaad BL	113	static int des_ede_cfb_cipher(EVP_CIPHER_CTX ctx, unsigned char out,
1921eaad BL	114	const unsigned char *in, unsigned int inl)
57ae2e24 DSH	115	{
	116	des_ede3_cfb64_encrypt(in, out, (long)inl,
	117	ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
	118	(des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
	119	return 1;
	120	}
	121
	122	#define NID_des_ede_ecb NID_des_ede
	123
	124	BLOCK_CIPHER_defs(des_ede, des_ede, NID_des_ede, 8, 16, 8,
	125	0, des_ede_init_key, NULL,
	126	EVP_CIPHER_set_asn1_iv,
	127	EVP_CIPHER_get_asn1_iv,
	128	NULL)
	129
	130	#define NID_des_ede3_ecb NID_des_ede3
	131	#define des_ede3_cfb_cipher des_ede_cfb_cipher
	132	#define des_ede3_ofb_cipher des_ede_ofb_cipher
	133	#define des_ede3_cbc_cipher des_ede_cbc_cipher
	134	#define des_ede3_ecb_cipher des_ede_ecb_cipher
	135
	136	BLOCK_CIPHER_defs(des_ede3, des_ede, NID_des_ede3, 8, 24, 8,
	137	0, des_ede3_init_key, NULL,
	138	EVP_CIPHER_set_asn1_iv,
	139	EVP_CIPHER_get_asn1_iv,
	140	NULL)
d02b48c6	141
1921eaad BL	142	static int des_ede_init_key(EVP_CIPHER_CTX ctx, const unsigned char key,
1921eaad BL	143	const unsigned char *iv, int enc)
d02b48c6	144	{
edf0bfb5 BM	145	des_cblock deskey = (des_cblock )key;
edf0bfb5 BM	146
360370d9 DSH	147	des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
	148	des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
	149	memcpy( (char *)ctx->c.des_ede.ks3,
d02b48c6 RE	150	(char *)ctx->c.des_ede.ks1,
d02b48c6 RE	151	sizeof(ctx->c.des_ede.ks1));
be06a934	152	return 1;
d02b48c6 RE	153	}
d02b48c6 RE	154
1921eaad BL	155	static int des_ede3_init_key(EVP_CIPHER_CTX ctx, const unsigned char key,
1921eaad BL	156	const unsigned char *iv, int enc)
d02b48c6	157	{
edf0bfb5	158	des_cblock deskey = (des_cblock )key;
f9b3bff6 RL	159	#ifdef KSSL_DEBUG
	160	{
	161	int i;
	162	printf("des_ede3_init_key(ctx=%lx)\n", ctx);
	163	printf("\tKEY= ");
	164	for(i=0;i<24;i++) printf("%02X",key[i]); printf("\n");
	165	printf("\t IV= ");
	166	for(i=0;i<8;i++) printf("%02X",iv[i]); printf("\n");
	167	}
	168	#endif /* KSSL_DEBUG */
edf0bfb5	169
360370d9 DSH	170	des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
	171	des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
	172	des_set_key_unchecked(&deskey[2],ctx->c.des_ede.ks3);
d02b48c6	173
be06a934	174	return 1;
d02b48c6	175	}
57ae2e24	176
13588350	177	const EVP_CIPHER *EVP_des_ede(void)
57ae2e24 DSH	178	{
	179	return &des_ede_ecb;
	180	}
	181
13588350	182	const EVP_CIPHER *EVP_des_ede3(void)
57ae2e24 DSH	183	{
	184	return &des_ede3_ecb;
	185	}
d02f751c	186	#endif