X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/ba6e6b64033b1f9de49feccb5c9cd438354481f7..0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a:/math/ec-raw.h diff --git a/math/ec-raw.h b/math/ec-raw.h new file mode 100644 index 0000000..4792bd7 --- /dev/null +++ b/math/ec-raw.h @@ -0,0 +1,83 @@ +/* -*-c-*- + * + * Raw formatting of elliptic curve points + * + * (c) 2004 Straylight/Edgeware + */ + +/*----- Licensing notice --------------------------------------------------* + * + * This file is part of Catacomb. + * + * Catacomb is free software; you can redistribute it and/or modify + * it under the terms of the GNU Library General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * Catacomb is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with Catacomb; if not, write to the Free + * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + */ + +#ifndef CATACOMB_EC_RAW_H +#define CATACOMB_EC_RAW_H + +#ifdef __cplusplus + extern "C" { +#endif + +/*----- Header files ------------------------------------------------------*/ + +#ifndef CATACOMB_BUF_H +# include "buf.h" +#endif + +#ifndef CATACOMB_EC_H +# include "ec.h" +#endif + +/*----- Data formatting ---------------------------------------------------*/ + +/* --- @ec_putraw@ --- * + * + * Arguments: @ec_curve *c@ = elliptic curve + * @buf *b@ = pointer to a buffer + * @const ec *p@ = an elliptic curve point + * + * Returns: Zero on success, nonzero on failure. + * + * Use: Puts an elliptic curve point to the given buffer using the + * standard uncompressed format described in P1383 and SEC1. + * We don't do point compression. + */ + +extern int ec_putraw(ec_curve */*c*/, buf */*b*/, const ec */*p*/); + +/* --- @ec_getraw@ --- * + * + * Arguments: @ec_curve *c@ = elliptic curve + * @buf *b@ = pointer to a buffer + * @ec *d@ = an elliptic curve point + * + * Returns: Zero on success, nonzero on failure. + * + * Use: Reads an elliptic curve point from the given buffer using the + * standard uncompressed format described in P1383 and SEC1. + * We don't do point compression. + */ + +extern int ec_getraw(ec_curve */*c*/, buf */*b*/, ec */*d*/); + +/*----- That's all, folks -------------------------------------------------*/ + +#ifdef __cplusplus + } +#endif + +#endif