b085fd91 |
1 | /* -*-c-*- |
2 | * |
b817bfc6 |
3 | * $Id: ec-exp.h,v 1.6 2004/04/08 01:36:15 mdw Exp $ |
b085fd91 |
4 | * |
5 | * Exponentiation operations for elliptic curves |
6 | * |
7 | * (c) 2001 Straylight/Edgeware |
8 | */ |
9 | |
45c0fd36 |
10 | /*----- Licensing notice --------------------------------------------------* |
b085fd91 |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
45c0fd36 |
18 | * |
b085fd91 |
19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
45c0fd36 |
23 | * |
b085fd91 |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
b085fd91 |
30 | #ifndef CATACOMB_EC_EXP_H |
31 | #define CATACOMB_EC_EXP_H |
32 | |
33 | #ifdef __cplusplus |
34 | extern "C" { |
35 | #endif |
36 | |
37 | /*----- Exponentation definitions -----------------------------------------*/ |
38 | |
39 | #define EXP_TYPE ec |
40 | |
41cb1beb |
41 | #define EXP_COPY(d, p) do { \ |
42 | (d).x = MP_COPY((p).x); \ |
43 | (d).y = MP_COPY((p).y); \ |
44 | (d).z = (p).z ? MP_COPY((p).z) : MP_NEW; \ |
45c0fd36 |
45 | } while (0) |
41cb1beb |
46 | #define EXP_DROP(x) EC_DESTROY(&(x)) |
b085fd91 |
47 | |
41cb1beb |
48 | #define EXP_MUL(a, x) EC_ADD(c, &(a), &(a), &(x)) |
02d7884d |
49 | #define EXP_SQR(a) EC_DBL(c, &(a), &(a)) |
391faf42 |
50 | #define EXP_FIX(x) |
b085fd91 |
51 | |
52 | #define EXP_SETMUL(d, x, y) do { \ |
41cb1beb |
53 | EC_CREATE(&(d)); \ |
54 | EC_ADD(c, &(d), &(x), &(y)); \ |
b085fd91 |
55 | } while (0) |
56 | #define EXP_SETSQR(d, x) do { \ |
41cb1beb |
57 | EC_CREATE(&(d)); \ |
58 | EC_DBL(c, &(d), &(x)); \ |
b085fd91 |
59 | } while (0) |
60 | |
61 | #include "exp.h" |
62 | |
63 | /*----- That's all, folks -------------------------------------------------*/ |
64 | |
65 | #ifdef __cplusplus |
66 | } |
67 | #endif |
68 | |
69 | #endif |