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 */
55
56#include "ec_lcl.h"
57
58#if 0
59const EC_METHOD *EC_GFp_nist_method(void)
60	{
61	static const EC_METHOD ret = {
62		ec_GFp_nist_group_init,
63		ec_GFp_nist_group_finish,
64		ec_GFp_nist_group_clear_finish,
65		ec_GFp_nist_group_copy,
66		ec_GFp_nist_group_set_curve_GFp,
67		ec_GFp_simple_group_get_curve_GFp,
68		ec_GFp_simple_group_set_generator,
69		ec_GFp_simple_group_get0_generator,
70		ec_GFp_simple_group_get_order,
71		ec_GFp_simple_group_get_cofactor,
72		ec_GFp_simple_point_init,
73		ec_GFp_simple_point_finish,
74		ec_GFp_simple_point_clear_finish,
75		ec_GFp_simple_point_copy,
76		ec_GFp_simple_point_set_to_infinity,
77		ec_GFp_simple_set_Jprojective_coordinates_GFp,
78		ec_GFp_simple_get_Jprojective_coordinates_GFp,
79		ec_GFp_simple_point_set_affine_coordinates_GFp,
80		ec_GFp_simple_point_get_affine_coordinates_GFp,
81		ec_GFp_simple_set_compressed_coordinates_GFp,
82		ec_GFp_simple_point2oct,
83		ec_GFp_simple_oct2point,
84		ec_GFp_simple_add,
85		ec_GFp_simple_dbl,
86		ec_GFp_simple_invert,
87		ec_GFp_simple_is_at_infinity,
88		ec_GFp_simple_is_on_curve,
89		ec_GFp_simple_cmp,
90		ec_GFp_simple_make_affine,
91		ec_GFp_simple_points_make_affine,
92		ec_GFp_nist_field_mul,
93		ec_GFp_nist_field_sqr,
94		0 /* field_encode */,
95		0 /* field_decode */,
96		0 /* field_set_to_one */ };
97
98	return &ret;
99	}
100#endif
101
102
103int ec_GFp_nist_group_init(EC_GROUP *group)
104	{
105	int ok;
106
107	ok = ec_GFp_simple_group_init(group);
108	group->field_data1 = NULL;
109	return ok;
110	}
111
112
113int ec_GFp_nist_group_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
114/* TODO */
115
116
117void ec_GFp_nist_group_finish(EC_GROUP *group);
118/* TODO */
119
120
121void ec_GFp_nist_group_clear_finish(EC_GROUP *group);
122/* TODO */
123
124
125int ec_GFp_nist_group_copy(EC_GROUP *dest, const EC_GROUP *src);
126/* TODO */
127
128
129int ec_GFp_nist_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
130/* TODO */
131
132
133int ec_GFp_nist_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx);
134/* TODO */
135