[thirdparty/openssl.git] / crypto / ec / ecp_nist.c

/* crypto/ec/ecp_nist.c */
/* ====================================================================
 * Copyright (c) 1998-2001 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
 *    openssl-core@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).
 *
 */
/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * Portions of this software developed by SUN MICROSYSTEMS, INC.,
 * and contributed to the OpenSSL project.
 */

#include "ec_lcl.h"

#if 0
const EC_METHOD *EC_GFp_nist_method(void)
	{
	static const EC_METHOD ret = {
		ec_GFp_nist_group_init,
		ec_GFp_nist_group_finish,
		ec_GFp_nist_group_clear_finish,
		ec_GFp_nist_group_copy,
		ec_GFp_nist_group_set_curve,
		ec_GFp_simple_group_get_curve,
		ec_GFp_simple_group_get_degree,
		ec_GFp_simple_group_set_generator,
		ec_GFp_simple_group_get0_generator,
		ec_GFp_simple_group_get_order,
		ec_GFp_simple_group_get_cofactor,
		ec_GFp_simple_group_check_discriminant,
		ec_GFp_simple_point_init,
		ec_GFp_simple_point_finish,
		ec_GFp_simple_point_clear_finish,
		ec_GFp_simple_point_copy,
		ec_GFp_simple_point_set_to_infinity,
		ec_GFp_simple_set_Jprojective_coordinates_GFp,
		ec_GFp_simple_get_Jprojective_coordinates_GFp,
		ec_GFp_simple_point_set_affine_coordinates,
		ec_GFp_simple_point_get_affine_coordinates,
		ec_GFp_simple_set_compressed_coordinates,
		ec_GFp_simple_point2oct,
		ec_GFp_simple_oct2point,
		ec_GFp_simple_add,
		ec_GFp_simple_dbl,
		ec_GFp_simple_invert,
		0 /* mul */,
		0 /* precompute_mult */,
		ec_GFp_simple_is_at_infinity,
		ec_GFp_simple_is_on_curve,
		ec_GFp_simple_cmp,
		ec_GFp_simple_make_affine,
		ec_GFp_simple_points_make_affine,
		ec_GFp_nist_field_mul,
		ec_GFp_nist_field_sqr,
		0 /* field_div */,
		0 /* field_encode */,
		0 /* field_decode */,
		0 /* field_set_to_one */ };

	return &ret;
	}
#endif


int ec_GFp_nist_group_init(EC_GROUP *group)
	{
	int ok;

	ok = ec_GFp_simple_group_init(group);
	group->field_data1 = NULL;
	return ok;
	}


int ec_GFp_nist_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
/* TODO */


void ec_GFp_nist_group_finish(EC_GROUP *group);
/* TODO */


void ec_GFp_nist_group_clear_finish(EC_GROUP *group);
/* TODO */


int ec_GFp_nist_group_copy(EC_GROUP *dest, const EC_GROUP *src);
/* TODO */


int ec_GFp_nist_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
/* TODO */


int ec_GFp_nist_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx);
/* TODO */
Commit	Line	Data
38e3c581 BM	1	/* crypto/ec/ecp_nist.c */
	2	/* ====================================================================
	3	* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	*
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	*
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in
	14	* the documentation and/or other materials provided with the
	15	* distribution.
	16	*
	17	* 3. All advertising materials mentioning features or use of this
	18	* software must display the following acknowledgment:
	19	* "This product includes software developed by the OpenSSL Project
	20	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
	21	*
	22	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	23	* endorse or promote products derived from this software without
	24	* prior written permission. For written permission, please contact
	25	* openssl-core@openssl.org.
	26	*
	27	* 5. Products derived from this software may not be called "OpenSSL"
	28	* nor may "OpenSSL" appear in their names without prior written
	29	* permission of the OpenSSL Project.
	30	*
	31	* 6. Redistributions of any form whatsoever must retain the following
	32	* acknowledgment:
	33	* "This product includes software developed by the OpenSSL Project
	34	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
	35	*
	36	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	37	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	38	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	39	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	40	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	41	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	42	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	43	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	44	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	45	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	46	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	47	* OF THE POSSIBILITY OF SUCH DAMAGE.
	48	* ====================================================================
	49	*
	50	* This product includes cryptographic software written by Eric Young
	51	* (eay@cryptsoft.com). This product includes software written by Tim
	52	* Hudson (tjh@cryptsoft.com).
	53	*
	54	*/
7793f30e BM	55	/* ====================================================================
	56	* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
	57	* Portions of this software developed by SUN MICROSYSTEMS, INC.,
	58	* and contributed to the OpenSSL project.
	59	*/
38e3c581 BM	60
38e3c581 BM	61	#include "ec_lcl.h"
0657bf9c	62
24a93e6c	63	#if 0
0657bf9c BM	64	const EC_METHOD *EC_GFp_nist_method(void)
0657bf9c BM	65	{
58fc6229	66	static const EC_METHOD ret = {
f1f25544	67	ec_GFp_nist_group_init,
2e0db076 BM	68	ec_GFp_nist_group_finish,
2e0db076 BM	69	ec_GFp_nist_group_clear_finish,
60428dbf	70	ec_GFp_nist_group_copy,
35b73a1f BM	71	ec_GFp_nist_group_set_curve,
35b73a1f BM	72	ec_GFp_simple_group_get_curve,
7793f30e	73	ec_GFp_simple_group_get_degree,
58fc6229	74	ec_GFp_simple_group_set_generator,
bb62a8b0 BM	75	ec_GFp_simple_group_get0_generator,
	76	ec_GFp_simple_group_get_order,
	77	ec_GFp_simple_group_get_cofactor,
17d6bb81	78	ec_GFp_simple_group_check_discriminant,
58fc6229 BM	79	ec_GFp_simple_point_init,
	80	ec_GFp_simple_point_finish,
	81	ec_GFp_simple_point_clear_finish,
	82	ec_GFp_simple_point_copy,
226cc7de	83	ec_GFp_simple_point_set_to_infinity,
1d5bd6cf BM	84	ec_GFp_simple_set_Jprojective_coordinates_GFp,
1d5bd6cf BM	85	ec_GFp_simple_get_Jprojective_coordinates_GFp,
35b73a1f BM	86	ec_GFp_simple_point_set_affine_coordinates,
	87	ec_GFp_simple_point_get_affine_coordinates,
	88	ec_GFp_simple_set_compressed_coordinates,
58fc6229 BM	89	ec_GFp_simple_point2oct,
	90	ec_GFp_simple_oct2point,
	91	ec_GFp_simple_add,
	92	ec_GFp_simple_dbl,
1d5bd6cf	93	ec_GFp_simple_invert,
7793f30e BM	94	0 /* mul */,
7793f30e BM	95	0 /* precompute_mult */,
58fc6229 BM	96	ec_GFp_simple_is_at_infinity,
58fc6229 BM	97	ec_GFp_simple_is_on_curve,
1d5bd6cf	98	ec_GFp_simple_cmp,
58fc6229	99	ec_GFp_simple_make_affine,
48fe4d62	100	ec_GFp_simple_points_make_affine,
60428dbf	101	ec_GFp_nist_field_mul,
58fc6229	102	ec_GFp_nist_field_sqr,
7793f30e	103	0 /* field_div */,
156e8557	104	0 /* field_encode */,
48fe4d62 BM	105	0 /* field_decode */,
48fe4d62 BM	106	0 /* field_set_to_one */ };
0657bf9c BM	107
	108	return &ret;
	109	}
24a93e6c	110	#endif
60428dbf BM	111
	112
	113	int ec_GFp_nist_group_init(EC_GROUP *group)
	114	{
	115	int ok;
	116
	117	ok = ec_GFp_simple_group_init(group);
48fe4d62	118	group->field_data1 = NULL;
60428dbf BM	119	return ok;
	120	}
	121
	122
35b73a1f	123	int ec_GFp_nist_group_set_curve(EC_GROUP group, const BIGNUM p, const BIGNUM a, const BIGNUM b, BN_CTX *ctx);
60428dbf BM	124	/* TODO */
	125
	126
	127	void ec_GFp_nist_group_finish(EC_GROUP *group);
	128	/* TODO */
	129
	130
	131	void ec_GFp_nist_group_clear_finish(EC_GROUP *group);
	132	/* TODO */
	133
	134
	135	int ec_GFp_nist_group_copy(EC_GROUP dest, const EC_GROUP src);
	136	/* TODO */
	137
	138
	139	int ec_GFp_nist_field_mul(const EC_GROUP group, BIGNUM r, const BIGNUM a, const BIGNUM b, BN_CTX *ctx);
	140	/* TODO */
	141
	142
	143	int ec_GFp_nist_field_sqr(const EC_GROUP group, BIGNUM r, const BIGNUM a, BN_CTX ctx);
	144	/* TODO */