1 /*****************************************************************************
4 * THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
6 * USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
7 * PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
8 * AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
10 * THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
12 *****************************************************************************
14 * This file is part of loclass. It is a reconstructon of the cipher engine
15 * used in iClass, and RFID techology.
17 * The implementation is based on the work performed by
18 * Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
19 * Milosch Meriac in the paper "Dismantling IClass".
21 * Copyright (C) 2014 Martin Holst Swende
23 * This is free software: you can redistribute it and/or modify
24 * it under the terms of the GNU General Public License version 2 as published
25 * by the Free Software Foundation, or, at your option, any later version.
27 * This file is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
32 * You should have received a copy of the GNU General Public License
33 * along with loclass. If not, see <http://www.gnu.org/licenses/>.
36 ****************************************************************************/
57 bool headBit( BitstreamIn
*stream
);
58 bool tailBit( BitstreamIn
*stream
);
59 void pushBit( BitstreamOut
*stream
, bool bit
);
60 int bitsLeft( BitstreamIn
*stream
);
62 int testCipherUtils(void);
65 void push6bits( BitstreamOut
* stream
, uint8_t bits
);
66 void EncryptDES(bool key
[56], bool outBlk
[64], bool inBlk
[64], int verbose
) ;
67 void x_num_to_bytes(uint64_t n
, size_t len
, uint8_t* dest
);
68 uint64_t x_bytes_to_num(uint8_t* src
, size_t len
);
69 uint8_t reversebytes(uint8_t b
);
70 void reverse_arraybytes(uint8_t* arr
, size_t len
);
71 void reverse_arraycopy(uint8_t* arr
, uint8_t* dest
, size_t len
);
72 void printarr(char * name
, uint8_t* arr
, int len
);
73 void printvar(char * name
, uint8_t* arr
, int len
);
74 void printarr_human_readable(char * title
, uint8_t* arr
, int len
);
75 #endif // CIPHERUTILS_H