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f8fe20e0 BM |
1 | /* crypto/ec/ecp_mont.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 | ||
f8fe20e0 | 56 | #include "ec_lcl.h" |
0657bf9c BM |
57 | |
58 | ||
59 | const EC_METHOD *EC_GFp_mont_method(void) | |
60 | { | |
58fc6229 | 61 | static const EC_METHOD ret = { |
f1f25544 | 62 | ec_GFp_mont_group_init, |
2e0db076 BM |
63 | ec_GFp_mont_group_set_curve_GFp, |
64 | ec_GFp_mont_group_finish, | |
65 | ec_GFp_mont_group_clear_finish, | |
60428dbf | 66 | ec_GFp_mont_group_copy, |
58fc6229 BM |
67 | ec_GFp_simple_group_set_generator, |
68 | /* TODO: 'set' and 'get' functions for EC_GROUPs */ | |
69 | ec_GFp_simple_point_init, | |
70 | ec_GFp_simple_point_finish, | |
71 | ec_GFp_simple_point_clear_finish, | |
72 | ec_GFp_simple_point_copy, | |
226cc7de BM |
73 | ec_GFp_simple_point_set_to_infinity, |
74 | ec_GFp_simple_point_set_affine_coordinates_GFp, | |
75 | ec_GFp_simple_point_get_affine_coordinates_GFp, | |
76 | /* TODO: other 'set' and 'get' functions for EC_POINTs */ | |
58fc6229 BM |
77 | ec_GFp_simple_point2oct, |
78 | ec_GFp_simple_oct2point, | |
79 | ec_GFp_simple_add, | |
80 | ec_GFp_simple_dbl, | |
81 | ec_GFp_simple_is_at_infinity, | |
82 | ec_GFp_simple_is_on_curve, | |
83 | ec_GFp_simple_make_affine, | |
60428dbf | 84 | ec_GFp_mont_field_mul, |
58fc6229 BM |
85 | ec_GFp_mont_field_sqr, |
86 | ec_GFp_mont_field_encode, | |
87 | ec_GFp_mont_field_decode }; | |
0657bf9c BM |
88 | |
89 | return &ret; | |
90 | } | |
60428dbf BM |
91 | |
92 | ||
93 | int ec_GFp_mont_group_init(EC_GROUP *group) | |
94 | { | |
95 | int ok; | |
96 | ||
97 | ok = ec_GFp_simple_group_init(group); | |
98 | group->field_data = NULL; | |
99 | return ok; | |
100 | } | |
101 | ||
102 | ||
103 | int ec_GFp_mont_group_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); | |
104 | /* TODO */ | |
105 | ||
106 | ||
107 | void ec_GFp_mont_group_finish(EC_GROUP *group); | |
108 | /* TODO */ | |
109 | ||
110 | ||
111 | void ec_GFp_mont_group_clear_finish(EC_GROUP *group); | |
112 | /* TODO */ | |
113 | ||
114 | ||
115 | int ec_GFp_mont_group_copy(EC_GROUP *dest, const EC_GROUP *src); | |
116 | /* TODO */ | |
117 | ||
118 | ||
119 | int ec_GFp_mont_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); | |
120 | /* TODO */ | |
121 | ||
122 | ||
123 | int ec_GFp_mont_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx); | |
124 | /* TODO */ | |
125 | ||
126 | ||
127 | int ec_GFp_mont_field_encode(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx); | |
128 | /* TODO */ | |
129 | ||
130 | ||
131 | int ec_GFp_mont_field_decode(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx); | |
132 | /* TODO */ |