/* gosthash94.h * * The GOST R 34.11-94 hash function, described in RFC 5831. */ /* nettle, low-level cryptographics library * * Copyright (C) 2012 Nikos Mavrogiannopoulos, Niels Möller * * The nettle library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or (at your * option) any later version. * * The nettle library 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 Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the nettle library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02111-1301, USA. */ /* Interface based on rhash gost.h. */ /* Copyright: 2009-2012 Aleksey Kravchenko * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * Ported to nettle by Nikos Mavrogiannopoulos. */ #ifndef NETTLE_GOSTHASH94_H_INCLUDED #define NETTLE_GOSTHASH94_H_INCLUDED #include "nettle-types.h" #ifdef __cplusplus extern "C" { #endif #define gosthash94_init nettle_gosthash94_init #define gosthash94_update nettle_gosthash94_update #define gosthash94_digest nettle_gosthash94_digest #define GOSTHASH94_DATA_SIZE 32 #define GOSTHASH94_DIGEST_SIZE 32 struct gosthash94_ctx { uint32_t hash[8]; /* algorithm 256-bit state */ uint32_t sum[8]; /* sum of processed message blocks */ uint8_t message[GOSTHASH94_DATA_SIZE]; /* 256-bit buffer for leftovers */ uint64_t length; /* number of processed bytes */ }; void gosthash94_init(struct gosthash94_ctx *ctx); void gosthash94_update(struct gosthash94_ctx *ctx, unsigned length, const uint8_t *msg); void gosthash94_digest(struct gosthash94_ctx *ctx, unsigned length, uint8_t *result); #ifdef __cplusplus } #endif #endif /* NETTLE_GOSTHASH94_H_INCLUDED */