50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* xtea.h */
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/*
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This file is part of the AVR-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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/*
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* Author: Daniel Otte
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* Date: 06.06.2006
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* License: GPL
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*/
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#ifndef XTEA_H_
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#define XTEA_H_
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#include <stdint.h>
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/*
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* this fits for xtea.c and xtea-asm.S
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*
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*/
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#define XTEA_BLOCKSIZE 64
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#define XTEA_BLOCKSIZEB ((XTEA_BLOCKSIZE+7)/8)
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#define XTEA_KEYSIZE 128
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#define XTEA_KEYSIZEB ((XTEA_KEYSIZE+7)/8)
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/*
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* dest: the destination where result of operation will be placed (64 bit)
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* v: the block to operate on (64 bit)
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* k: the key for en/decryption (128 bit)
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*/
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void xtea_enc(void* dest, const void* v, const void* k);
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void xtea_dec(void* dest, const void* v, const void* k);
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#endif /*XTEA_H_*/
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