git.distorted.org.uk Git - u/mdw/catacomb/blob - ec-raw.h

   1 /* -*-c-*-
   2  *
   3  * $Id: ec-raw.h,v 1.2 2004/04/08 01:36:15 mdw Exp $
   4  *
   5  * Raw formatting of elliptic curve points
   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_EC_RAW_H
  31 #define CATACOMB_EC_RAW_H
  32
  33 #ifdef __cplusplus
  34   extern "C" {
  35 #endif
  36
  37 /*----- Header files ------------------------------------------------------*/
  38
  39 #ifndef CATACOMB_BUF_H
  40 #  include "buf.h"
  41 #endif
  42
  43 #ifndef CATACOMB_EC_H
  44 #  include "ec.h"
  45 #endif
  46
  47 /*----- Data formatting ---------------------------------------------------*/
  48
  49 /* --- @ec_putraw@ --- *
  50  *
  51  * Arguments:   @ec_curve *c@ = elliptic curve
  52  *              @buf *b@ = pointer to a buffer
  53  *              @const ec *p@ = an elliptic curve point
  54  *
  55  * Returns:     Zero on success, nonzero on failure.
  56  *
  57  * Use:         Puts an elliptic curve point to the given buffer using the
  58  *              standard uncompressed format described in P1383 and SEC1.
  59  *              We don't do point compression.
  60  */
  61
  62 extern int ec_putraw(ec_curve */*c*/, buf */*b*/, const ec */*p*/);
  63
  64 /* --- @ec_getraw@ --- *
  65  *
  66  * Arguments:   @ec_curve *c@ = elliptic curve
  67  *              @buf *b@ = pointer to a buffer
  68  *              @ec *d@ = an elliptic curve point
  69  *
  70  * Returns:     Zero on success, nonzero on failure.
  71  *
  72  * Use:         Reads an elliptic curve point from the given buffer using the
  73  *              standard uncompressed format described in P1383 and SEC1.
  74  *              We don't do point compression.
  75  */
  76
  77 extern int ec_getraw(ec_curve */*c*/, buf */*b*/, ec */*d*/);
  78
  79 /*----- That's all, folks -------------------------------------------------*/
  80
  81 #ifdef __cplusplus
  82   }
  83 #endif
  84
  85 #endif