43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* grain.h */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file grain.h
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* \author Daniel Otte
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* \email daniel.otte@rub.de
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* \license GPLv3 or later
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* \brief implementation of the Grain streamcipher
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*/
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#ifndef GRAIN_H_
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#define GRAIN_H_
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#include <stdint.h>
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typedef struct gain_ctx_st{
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uint8_t lfsr[10];
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uint8_t nfsr[10];
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} grain_ctx_t;
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uint8_t grain_getbyte(grain_ctx_t* ctx);
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uint8_t grain_enc(grain_ctx_t* ctx);
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void grain_init(const void* key, const void* iv, grain_ctx_t* ctx);
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#endif /*GRAIN_H_*/
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