This commit was manufactured by cvs2svn to create branch 'BRANCH_engine'.

/* crypto/evp/e_bf.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 NO_BF

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/evp.h>

#include "evp_locl.h"

#include <openssl/objects.h>

static int bf_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	unsigned char *iv,int enc);

IMPLEMENT_BLOCK_CIPHER(bf, bf_ks, BF, bf_ks, NID_bf, 8, 16, 8,

			0, bf_init_key, NULL, 

			EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)

static int bf_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	     unsigned char *iv, int enc)

	{

	BF_set_key(&(ctx->c.bf_ks),EVP_CIPHER_CTX_key_length(ctx),key);

	return 1;

	}

#endif

/* crypto/evp/e_cast.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 NO_CAST

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/evp.h>

#include <openssl/objects.h>

#include "evp_locl.h"

static int cast_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	unsigned char *iv,int enc);

IMPLEMENT_BLOCK_CIPHER(cast5, cast_ks, CAST, cast_ks, 

			NID_cast5, 8, EVP_CAST5_KEY_SIZE, 8,

			EVP_CIPH_VARIABLE_LENGTH, cast_init_key, NULL,

			EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)

static int cast_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	     unsigned char *iv, int enc)

	{

	CAST_set_key(&(ctx->c.cast_ks),EVP_CIPHER_CTX_key_length(ctx),key);

	return 1;

	}

#endif

/* crypto/evp/e_des.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 NO_DES

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/evp.h>

#include <openssl/objects.h>

#include "evp_locl.h"

static int des_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	unsigned char *iv,int enc);

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

static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)

{

	BLOCK_CIPHER_ecb_loop()

		des_ecb_encrypt((des_cblock *)(in + i), (des_cblock *)(out + i), ctx->c.des_ks, ctx->encrypt);

	return 1;

}

static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)

{

	des_ofb64_encrypt(in, out, (long)inl, ctx->c.des_ks, (des_cblock *)ctx->iv, &ctx->num);

	return 1;

}

static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)

{

	des_ncbc_encrypt(in, out, (long)inl, ctx->c.des_ks, (des_cblock *)ctx->iv, ctx->encrypt);

	return 1;

}

static int des_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)

{

	des_cfb64_encrypt(in, out, (long)inl, ctx->c.des_ks, (des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);

	return 1;

}

BLOCK_CIPHER_defs(des, des_ks, NID_des, 8, 8, 8,

			0, des_init_key, NULL,

			EVP_CIPHER_set_asn1_iv,

			EVP_CIPHER_get_asn1_iv,

			NULL)

static int des_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	     unsigned char *iv, int enc)

	{

	des_cblock *deskey = (des_cblock *)key;

	des_set_key_unchecked(deskey,ctx->c.des_ks);

	return 1;

	}

#endif

/* 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 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, unsigned char *key,

	unsigned char *iv,int enc);

static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	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, 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, 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, unsigned char *in, unsigned int inl)

{

	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, 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, unsigned char *key,

	     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, unsigned char *key,

	     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);

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

	return 1;

	}

EVP_CIPHER *EVP_des_ede(void)

{

	return &des_ede_ecb;

}

EVP_CIPHER *EVP_des_ede3(void)

{

	return &des_ede3_ecb;

}

#endif

/* crypto/evp/e_idea.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 NO_IDEA

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/evp.h>

#include <openssl/objects.h>

#include "evp_locl.h"

static int idea_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	unsigned char *iv,int enc);

/* NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a special

 * case 

 */

static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)

{

	BLOCK_CIPHER_ecb_loop()

		idea_ecb_encrypt(in + i, out + i, &ctx->c.idea_ks);

	return 1;

}

/* Can't use IMPLEMENT_BLOCK_CIPHER because idea_ecb_encrypt is different */

BLOCK_CIPHER_func_cbc(idea, idea, idea_ks)

BLOCK_CIPHER_func_ofb(idea, idea, idea_ks)

BLOCK_CIPHER_func_cfb(idea, idea, idea_ks)

BLOCK_CIPHER_defs(idea, idea_ks, NID_idea, 8, 16, 8,

			0, idea_init_key, NULL, 

			EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)

static int idea_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,

	     unsigned char *iv, int enc)

	{

	if(!enc) {

		if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) enc = 1;

		else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE) enc = 1;

	}

	if (enc) idea_set_encrypt_key(key,&(ctx->c.idea_ks));

	else

		{

		IDEA_KEY_SCHEDULE tmp;

		idea_set_encrypt_key(key,&tmp);

		idea_set_decrypt_key(&tmp,&(ctx->c.idea_ks));

		memset((unsigned char *)&tmp,0,

				sizeof(IDEA_KEY_SCHEDULE));

		}

	return 1;

	}

#endif