3 * $Id: ectab.h,v 1.1 2004/03/27 17:54:11 mdw Exp $
5 * Table of standard elliptic curves (internal)
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 /*----- Revision history --------------------------------------------------*
33 * Revision 1.1 2004/03/27 17:54:11 mdw
34 * Standard curves and curve checking.
38 #ifndef CATACOMB_ECTAB_H
39 #define CATACOMB_ECTAB_H
45 /*----- Header files ------------------------------------------------------*/
49 /*----- Data structures ---------------------------------------------------*/
51 typedef struct ecdata
{
52 unsigned ftag
; /* The kind of curve this is */
53 const mpw
*p
; size_t psz
; /* Modulus */
54 const mpw
*a
; size_t asz
; /* Elliptic curve parameters */
55 const mpw
*b
; size_t bsz
;
56 const mpw
*r
; size_t rsz
; /* Order of common point %$g$% */
57 const mpw
*h
; size_t hsz
; /* Cofactor %$h = \#E/r$% */
58 const mpw
*gx
; size_t gxsz
; /* Common point */
59 const mpw
*gy
; size_t gysz
;
63 FTAG_PRIME
, /* Prime but not nice */
64 FTAG_NICEPRIME
, /* Nice prime field */
65 FTAG_BINPOLY
/* Any old binary field */
68 typedef struct ecentry
{
73 /*----- Global variables --------------------------------------------------*/
75 extern const ecentry ectab
[];
77 /*----- That's all, folks -------------------------------------------------*/