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3ad48540d4
Conflicts: README.txt armsrc/apps.h client/Makefile client/cmdhficlass.c client/cmdhficlass.h
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*****************************************************************************
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* This file is part of iClassCipher. It is a reconstructon of the cipher engine
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* used in iClass, and RFID techology.
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*
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* The implementation is based on the work performed by
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* Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
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* Milosch Meriac in the paper "Dismantling IClass".
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*
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* Copyright (C) 2014 Martin Holst Swende
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* This file 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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*
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* You should have received a copy of the GNU General Public License
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* along with IClassCipher. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#ifndef CIPHERUTILS_H
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#define CIPHERUTILS_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdlib.h>
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typedef struct {
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uint8_t * buffer;
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uint8_t numbits;
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uint8_t position;
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} BitstreamIn;
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typedef struct {
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uint8_t * buffer;
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uint8_t numbits;
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uint8_t position;
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}BitstreamOut;
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bool headBit( BitstreamIn *stream);
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bool tailBit( BitstreamIn *stream);
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void pushBit( BitstreamOut *stream, bool bit);
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int bitsLeft( BitstreamIn *stream);
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int testCipherUtils(void);
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int testMAC();
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void push6bits( BitstreamOut* stream, uint8_t bits);
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void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;
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void x_num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
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uint64_t x_bytes_to_num(uint8_t* src, size_t len);
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uint8_t reversebytes(uint8_t b);
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void reverse_arraybytes(uint8_t* arr, size_t len);
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void reverse_arraycopy(uint8_t* arr, uint8_t* dest, size_t len);
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void printarr(char * name, uint8_t* arr, int len);
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void printvar(char * name, uint8_t* arr, int len);
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void printarr_human_readable(char * title, uint8_t* arr, int len);
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#endif // CIPHERUTILS_H
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