X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6c0f60ca7bcd7737b5d3867004f1cbdc9532720c..3ad48540d4d77f50cc62d16acb78f17019ef431d:/client/loclass/cipherutils.h diff --git a/client/loclass/cipherutils.h b/client/loclass/cipherutils.h new file mode 100644 index 00000000..acf96115 --- /dev/null +++ b/client/loclass/cipherutils.h @@ -0,0 +1,59 @@ +/***************************************************************************** + * 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 . + ****************************************************************************/ + +#ifndef CIPHERUTILS_H +#define CIPHERUTILS_H +#include +#include +#include + +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); + +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) ; +void x_num_to_bytes(uint64_t n, size_t len, uint8_t* dest); +uint64_t x_bytes_to_num(uint8_t* src, size_t len); +uint8_t reversebytes(uint8_t b); +void reverse_arraybytes(uint8_t* arr, size_t len); +void reverse_arraycopy(uint8_t* arr, uint8_t* dest, size_t len); +void printarr(char * name, uint8_t* arr, int len); +void printvar(char * name, uint8_t* arr, int len); +void printarr_human_readable(char * title, uint8_t* arr, int len); +#endif // CIPHERUTILS_H