99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/* gosthash94.h
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The GOST R 34.11-94 hash function, described in RFC 5831.
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Copyright (C) 2012 Nikos Mavrogiannopoulos, Niels Möller
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This file is part of GNU Nettle.
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GNU Nettle is free software: you can redistribute it and/or
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modify it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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or both in parallel, as here.
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GNU Nettle is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see http://www.gnu.org/licenses/.
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*/
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/* Based on rhash gost.h. */
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/* Copyright: 2009-2012 Aleksey Kravchenko <rhash.admin@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Ported to nettle by Nikos Mavrogiannopoulos.
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*/
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#ifndef NETTLE_GOSTHASH94_H_INCLUDED
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#define NETTLE_GOSTHASH94_H_INCLUDED
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#include "nettle-types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define gosthash94_init nettle_gosthash94_init
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#define gosthash94_update nettle_gosthash94_update
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#define gosthash94_digest nettle_gosthash94_digest
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#define GOSTHASH94_BLOCK_SIZE 32
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#define GOSTHASH94_DIGEST_SIZE 32
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/* For backwards compatibility */
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#define GOSTHASH94_DATA_SIZE GOSTHASH94_BLOCK_SIZE
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struct gosthash94_ctx
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{
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uint32_t hash[8]; /* algorithm 256-bit state */
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uint32_t sum[8]; /* sum of processed message blocks */
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uint8_t message[GOSTHASH94_BLOCK_SIZE]; /* 256-bit buffer for leftovers */
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uint64_t length; /* number of processed bytes */
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};
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void gosthash94_init(struct gosthash94_ctx *ctx);
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void gosthash94_update(struct gosthash94_ctx *ctx,
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size_t length, const uint8_t *msg);
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void gosthash94_digest(struct gosthash94_ctx *ctx,
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size_t length, uint8_t *result);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NETTLE_GOSTHASH94_H_INCLUDED */
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