3 * Table of standard elliptic curves
5 * (c) 2004 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of Catacomb.
12 * Catacomb is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
17 * Catacomb is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
22 * You should have received a copy of the GNU Library General Public
23 * License along with Catacomb; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
28 #ifndef CATACOMB_ECTAB_H
29 #define CATACOMB_ECTAB_H
35 /*----- Header files ------------------------------------------------------*/
39 /*----- Data structures ---------------------------------------------------*/
41 typedef struct ecdata {
42 unsigned ftag; /* The kind of curve this is */
43 mp p, beta; /* Modulus, and conversion magic */
44 mp a, b; /* Elliptic curve parameters */
45 mp r; /* Order of common point %$g$% */
46 mp h; /* Cofactor %$h = \#E/r$% */
47 mp gx, gy; /* Common point */
51 FTAG_PRIME, /* Prime but not nice */
52 FTAG_NICEPRIME, /* Nice prime field */
53 FTAG_BINPOLY, /* Binary field, poly basis */
54 FTAG_BINNORM /* Binary field, normal basis */
57 typedef struct ecentry {
62 /*----- Global variables --------------------------------------------------*/
64 extern const ecentry ectab[];
66 /*----- That's all, folks -------------------------------------------------*/