[proxmark3-svn] / client / loclass / cipherutils.h

/*****************************************************************************
 * This file is part of iClassCipher. It is a reconstructon of the cipher engine
 * used in iClass, and RFID techology.
 *
 * The implementation is based on the work performed by
 * Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
 * Milosch Meriac in the paper "Dismantling IClass".
 *
 * Copyright (C) 2014 Martin Holst Swende
 *
 * This is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * This file 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with IClassCipher.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************/

#ifndef CIPHERUTILS_H
#define CIPHERUTILS_H
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>

typedef struct {
	uint8_t * buffer;
	uint8_t numbits;
	uint8_t position;
} BitstreamIn;

typedef struct {
	uint8_t * buffer;
	uint8_t numbits;
	uint8_t position;
}BitstreamOut;

bool headBit( BitstreamIn *stream);
bool tailBit( BitstreamIn *stream);
void pushBit( BitstreamOut *stream, bool bit);
int bitsLeft( BitstreamIn *stream);
bool xorbits_8(uint8_t val);
bool xorbits_16(uint16_t val);
int testCipherUtils(void);
int testMAC();
void push6bits( BitstreamOut* stream, uint8_t bits);
void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;
uint8_t reversebytes(uint8_t b);
void reverse_arraybytes(uint8_t* arr, size_t len);

#endif // CIPHERUTILS_H
Commit	Line	Data
f028213f	1	/*****************************************************************************
	2	* This file is part of iClassCipher. It is a reconstructon of the cipher engine
	3	* used in iClass, and RFID techology.
	4	*
	5	* The implementation is based on the work performed by
	6	* Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
	7	* Milosch Meriac in the paper "Dismantling IClass".
	8	*
	9	* Copyright (C) 2014 Martin Holst Swende
	10	*
	11	* This is free software: you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as published
	13	* by the Free Software Foundation.
	14	*
	15	* This file is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with IClassCipher. If not, see <http://www.gnu.org/licenses/>.
	22	****************************************************************************/
	23
	24	#ifndef CIPHERUTILS_H
	25	#define CIPHERUTILS_H
	26	#include <stdint.h>
	27	#include <stdbool.h>
	28	#include <stdlib.h>
	29
	30	typedef struct {
	31	uint8_t * buffer;
	32	uint8_t numbits;
	33	uint8_t position;
	34	} BitstreamIn;
	35
	36	typedef struct {
	37	uint8_t * buffer;
	38	uint8_t numbits;
	39	uint8_t position;
	40	}BitstreamOut;
	41
	42	bool headBit( BitstreamIn *stream);
	43	bool tailBit( BitstreamIn *stream);
	44	void pushBit( BitstreamOut *stream, bool bit);
	45	int bitsLeft( BitstreamIn *stream);
	46	bool xorbits_8(uint8_t val);
	47	bool xorbits_16(uint16_t val);
	48	int testCipherUtils(void);
	49	int testMAC();
	50	void push6bits( BitstreamOut* stream, uint8_t bits);
	51	void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;
	52	uint8_t reversebytes(uint8_t b);
	53	void reverse_arraybytes(uint8_t* arr, size_t len);
	54
	55	#endif // CIPHERUTILS_H