| | 1 | /* -*-c-*- |
| | 2 | * |
| | 3 | * $Id: ectab.h,v 1.4 2004/04/08 01:36:15 mdw Exp $ |
| | 4 | * |
| | 5 | * Table of standard elliptic curves |
| | 6 | * |
| | 7 | * (c) 2004 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 | #ifndef CATACOMB_ECTAB_H |
| | 31 | #define CATACOMB_ECTAB_H |
| | 32 | |
| | 33 | #ifdef __cplusplus |
| | 34 | extern "C" { |
| | 35 | #endif |
| | 36 | |
| | 37 | /*----- Header files ------------------------------------------------------*/ |
| | 38 | |
| | 39 | #include "ec.h" |
| | 40 | |
| | 41 | /*----- Data structures ---------------------------------------------------*/ |
| | 42 | |
| | 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 */ |
| | 50 | } ecdata; |
| | 51 | |
| | 52 | enum { |
| | 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 */ |
| | 57 | }; |
| | 58 | |
| | 59 | typedef struct ecentry { |
| | 60 | const char *name; |
| | 61 | ecdata *data; |
| | 62 | } ecentry; |
| | 63 | |
| | 64 | /*----- Global variables --------------------------------------------------*/ |
| | 65 | |
| | 66 | extern const ecentry ectab[]; |
| | 67 | |
| | 68 | /*----- That's all, folks -------------------------------------------------*/ |
| | 69 | |
| | 70 | #ifdef __cplusplus |
| | 71 | } |
| | 72 | #endif |
| | 73 | |
| | 74 | #endif |
projects / u / mdw / catacomb / blame_incremental