b085fd91 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: ec-exp.h,v 1.1 2002/01/13 13:48:44 mdw Exp $ |
4 | * |
5 | * Exponentiation operations for elliptic curves |
6 | * |
7 | * (c) 2001 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
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. |
18 | * |
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. |
23 | * |
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 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: ec-exp.h,v $ |
33 | * Revision 1.1 2002/01/13 13:48:44 mdw |
34 | * Further progress. |
35 | * |
36 | */ |
37 | |
38 | #ifndef CATACOMB_EC_EXP_H |
39 | #define CATACOMB_EC_EXP_H |
40 | |
41 | #ifdef __cplusplus |
42 | extern "C" { |
43 | #endif |
44 | |
45 | /*----- Exponentation definitions -----------------------------------------*/ |
46 | |
47 | #define EXP_TYPE ec |
48 | |
49 | #define EXP_COPY(d, x) do { \ |
50 | d.x = MP_COPY(x.x); \ |
51 | d.y = MP_COPY(x.y); \ |
52 | d.z = x.z ? MP_COPY(x.x) : MP_NEW; \ |
53 | } while (0) |
54 | #define EXP_DROP(x) EC_DESTROY(c, &x) |
55 | |
56 | #define EXP_MUL(a, x) EC_ADD(c, &a, &a, &x) |
57 | #define EXP_SQR(a) EC_DBL(c, &a, &a); |
58 | |
59 | #define EXP_SETMUL(d, x, y) do { \ |
60 | EC_CREATE(&d); \ |
61 | EC_ADD(c, &d, &x, &y); \ |
62 | } while (0) |
63 | #define EXP_SETSQR(d, x) do { \ |
64 | EC_CREATE(&d); \ |
65 | EC_DBL(c, &d, &x); \ |
66 | } while (0) |
67 | |
68 | #include "exp.h" |
69 | |
70 | /*----- That's all, folks -------------------------------------------------*/ |
71 | |
72 | #ifdef __cplusplus |
73 | } |
74 | #endif |
75 | |
76 | #endif |