]> git.zerfleddert.de Git - proxmark3-svn/blob - client/loclass/cipherutils.h
code cleanup. re-added psk commands.
[proxmark3-svn] / client / loclass / cipherutils.h
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
47 int testCipherUtils(void);
48 int testMAC();
49 void push6bits( BitstreamOut* stream, uint8_t bits);
50 void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;
51 void x_num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
52 uint64_t x_bytes_to_num(uint8_t* src, size_t len);
53 uint8_t reversebytes(uint8_t b);
54 void reverse_arraybytes(uint8_t* arr, size_t len);
55 void reverse_arraycopy(uint8_t* arr, uint8_t* dest, size_t len);
56 void printarr(char * name, uint8_t* arr, int len);
57 void printvar(char * name, uint8_t* arr, int len);
58 void printarr_human_readable(char * title, uint8_t* arr, int len);
59 #endif // CIPHERUTILS_H
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