3 * $Id: ectab.h,v 1.4 2004/04/08 01:36:15 mdw Exp $
5 * Table of standard elliptic curves
7 * (c) 2004 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Catacomb.
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.
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.
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,
30 #ifndef CATACOMB_ECTAB_H
31 #define CATACOMB_ECTAB_H
37 /*----- Header files ------------------------------------------------------*/
41 /*----- Data structures ---------------------------------------------------*/
43 typedef struct ecdata {
44 unsigned ftag; /* The kind of curve this is */
45 mp p, beta; /* Modulus, and conversion magic */
46 mp a, b; /* Elliptic curve parameters */
47 mp r; /* Order of common point %$g$% */
48 mp h; /* Cofactor %$h = \#E/r$% */
49 mp gx, gy; /* Common point */
53 FTAG_PRIME, /* Prime but not nice */
54 FTAG_NICEPRIME, /* Nice prime field */
55 FTAG_BINPOLY, /* Binary field, poly basis */
56 FTAG_BINNORM /* Binary field, normal basis */
59 typedef struct ecentry {
64 /*----- Global variables --------------------------------------------------*/
66 extern const ecentry ectab[];
68 /*----- That's all, folks -------------------------------------------------*/