[thirdparty/openssl.git] / crypto / evp / evp_locl.h

/* evp_locl.h */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 2000.
 */
/* ====================================================================
 * 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).
 *
 */

/* Macros to code block cipher wrappers */

/* Wrapper functions for each cipher mode */

#define BLOCK_CIPHER_ecb_loop() \
	unsigned int i; \
	if(inl < 8) return 1;\
	inl -= 8; \
	for(i=0; i <= inl; i+=8) \

#define BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
	BLOCK_CIPHER_ecb_loop() \
		cprefix##_ecb_encrypt(in + i, out + i, &ctx->c.kname, ctx->encrypt);\
	return 1;\
}

#define BLOCK_CIPHER_func_ofb(cname, cprefix, kname) \
static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
	cprefix##_ofb64_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, &ctx->num);\
	return 1;\
}

#define BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
	cprefix##_cbc_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, ctx->encrypt);\
	return 1;\
}

#define BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
static int cname##_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
	cprefix##_cfb64_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, &ctx->num, ctx->encrypt);\
	return 1;\
}

#define BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
	BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
	BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
	BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
	BLOCK_CIPHER_func_ofb(cname, cprefix, kname)

#define BLOCK_CIPHER_defs(cname, kstruct, \
				nid, block_size, key_len, iv_len, flags,\
				 init_key, cleanup, set_asn1, get_asn1, ctrl)\
static const EVP_CIPHER cname##_cbc = {\
	nid##_cbc, block_size, key_len, iv_len, \
	flags | EVP_CIPH_CBC_MODE,\
	init_key,\
	cname##_cbc_cipher,\
	cleanup,\
	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
		sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
	set_asn1, get_asn1,\
	ctrl, \
	NULL \
};\
const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
static const EVP_CIPHER cname##_cfb = {\
	nid##_cfb64, 1, key_len, iv_len, \
	flags | EVP_CIPH_CFB_MODE,\
	init_key,\
	cname##_cfb_cipher,\
	cleanup,\
	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
		sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
	set_asn1, get_asn1,\
	ctrl,\
	NULL \
};\
const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
static const EVP_CIPHER cname##_ofb = {\
	nid##_ofb64, 1, key_len, iv_len, \
	flags | EVP_CIPH_OFB_MODE,\
	init_key,\
	cname##_ofb_cipher,\
	cleanup,\
	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
		sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
	set_asn1, get_asn1,\
	ctrl,\
	NULL \
};\
const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
static const EVP_CIPHER cname##_ecb = {\
	nid##_ecb, block_size, key_len, iv_len, \
	flags | EVP_CIPH_ECB_MODE,\
	init_key,\
	cname##_ecb_cipher,\
	cleanup,\
	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
		sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
	set_asn1, get_asn1,\
	ctrl,\
	NULL \
};\
const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }


#define IMPLEMENT_BLOCK_CIPHER(cname, kname, cprefix, kstruct, \
				nid, block_size, key_len, iv_len, flags, \
				 init_key, cleanup, set_asn1, get_asn1, ctrl) \
	BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
	BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, flags,\
		 init_key, cleanup, set_asn1, get_asn1, ctrl)
Commit	Line	Data
5da2f69f DSH	1	/* evp_locl.h */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 2000.
	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	/* Macros to code block cipher wrappers */
	60
	61	/* Wrapper functions for each cipher mode */
	62
	63	#define BLOCK_CIPHER_ecb_loop() \
	64	unsigned int i; \
65	if(inl < 8) return 1;\
66	inl -= 8; \
67	for(i=0; i <= inl; i+=8) \
68
69	#define BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
1921eaad	70	static int cname##_ecb_cipher(EVP_CIPHER_CTX ctx, unsigned char out, const unsigned char *in, unsigned int inl) \
5da2f69f DSH	71	{\
5da2f69f DSH	72	BLOCK_CIPHER_ecb_loop() \
e366f2b8	73	cprefix##_ecb_encrypt(in + i, out + i, &ctx->c.kname, ctx->encrypt);\
5da2f69f DSH	74	return 1;\
	75	}
	76
	77	#define BLOCK_CIPHER_func_ofb(cname, cprefix, kname) \
1921eaad	78	static int cname##_ofb_cipher(EVP_CIPHER_CTX ctx, unsigned char out, const unsigned char *in, unsigned int inl) \
5da2f69f	79	{\
e366f2b8	80	cprefix##_ofb64_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, &ctx->num);\
5da2f69f DSH	81	return 1;\
	82	}
	83
	84	#define BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
1921eaad	85	static int cname##_cbc_cipher(EVP_CIPHER_CTX ctx, unsigned char out, const unsigned char *in, unsigned int inl) \
5da2f69f	86	{\
e366f2b8	87	cprefix##_cbc_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, ctx->encrypt);\
5da2f69f DSH	88	return 1;\
	89	}
	90
	91	#define BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
1921eaad	92	static int cname##_cfb_cipher(EVP_CIPHER_CTX ctx, unsigned char out, const unsigned char *in, unsigned int inl) \
5da2f69f	93	{\
e366f2b8	94	cprefix##_cfb64_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, &ctx->num, ctx->encrypt);\
5da2f69f DSH	95	return 1;\
	96	}
	97
	98	#define BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
	99	BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
	100	BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
	101	BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
	102	BLOCK_CIPHER_func_ofb(cname, cprefix, kname)
	103
	104	#define BLOCK_CIPHER_defs(cname, kstruct, \
	105	nid, block_size, key_len, iv_len, flags,\
	106	init_key, cleanup, set_asn1, get_asn1, ctrl)\
13588350	107	static const EVP_CIPHER cname##_cbc = {\
5da2f69f DSH	108	nid##_cbc, block_size, key_len, iv_len, \
	109	flags \| EVP_CIPH_CBC_MODE,\
	110	init_key,\
	111	cname##_cbc_cipher,\
	112	cleanup,\
	113	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
e366f2b8	114	sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
5da2f69f DSH	115	set_asn1, get_asn1,\
	116	ctrl, \
	117	NULL \
	118	};\
13588350 DSH	119	const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
13588350 DSH	120	static const EVP_CIPHER cname##_cfb = {\
5da2f69f DSH	121	nid##_cfb64, 1, key_len, iv_len, \
	122	flags \| EVP_CIPH_CFB_MODE,\
	123	init_key,\
	124	cname##_cfb_cipher,\
	125	cleanup,\
	126	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
e366f2b8	127	sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
5da2f69f DSH	128	set_asn1, get_asn1,\
	129	ctrl,\
	130	NULL \
	131	};\
13588350 DSH	132	const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
13588350 DSH	133	static const EVP_CIPHER cname##_ofb = {\
5da2f69f DSH	134	nid##_ofb64, 1, key_len, iv_len, \
	135	flags \| EVP_CIPH_OFB_MODE,\
	136	init_key,\
	137	cname##_ofb_cipher,\
	138	cleanup,\
	139	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
e366f2b8	140	sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
5da2f69f DSH	141	set_asn1, get_asn1,\
	142	ctrl,\
	143	NULL \
	144	};\
13588350 DSH	145	const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
13588350 DSH	146	static const EVP_CIPHER cname##_ecb = {\
5da2f69f DSH	147	nid##_ecb, block_size, key_len, iv_len, \
	148	flags \| EVP_CIPH_ECB_MODE,\
	149	init_key,\
	150	cname##_ecb_cipher,\
	151	cleanup,\
	152	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
e366f2b8	153	sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
5da2f69f DSH	154	set_asn1, get_asn1,\
	155	ctrl,\
	156	NULL \
	157	};\
13588350	158	const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
5da2f69f DSH	159
	160
	161
	162	#define IMPLEMENT_BLOCK_CIPHER(cname, kname, cprefix, kstruct, \
	163	nid, block_size, key_len, iv_len, flags, \
	164	init_key, cleanup, set_asn1, get_asn1, ctrl) \
	165	BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
	166	BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, flags,\
	167	init_key, cleanup, set_asn1, get_asn1, ctrl)
	168