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1 //-----------------------------------------------------------------------------
2 // Merlok, May 2011
3 // Many authors, that makes it possible
4 //
5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
6 // at your option, any later version. See the LICENSE.txt file for the text of
7 // the license.
8 //-----------------------------------------------------------------------------
9 // code for work with mifare cards.
10 //-----------------------------------------------------------------------------
11
12 #ifndef MIFAREUTIL_H__
13 #define MIFAREUTIL_H__
14
15 #include <stdint.h>
16 #include <stdbool.h>
17
18 #include "crapto1/crapto1.h"
19 #include "usb_cdc.h"
20
21 // mifare authentication
22 #define CRYPT_NONE 0
23 #define CRYPT_ALL 1
24 #define CRYPT_REQUEST 2
25 #define AUTH_FIRST 0
26 #define AUTH_NESTED 2
27
28 // reader voltage field detector
29 #define MF_MINFIELDV 4000
30
31 // debug
32 #define MF_DBG_NONE 0 // no messages
33 #define MF_DBG_ERROR 1 // errors only
34 #define MF_DBG_INFO 2 // errors + info messages
35 #define MF_DBG_DEBUG 3 // errors + info + debug messages
36 #define MF_DBG_EXTENDED 4 // errors + info + debug + breaking debug messages
37
38 extern int MF_DBGLEVEL;
39
40 //functions
41 int mifare_sendcmd(uint8_t cmd, uint8_t *data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
42 int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
43
44 // mifare classic
45 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *auth_timeout);
46 int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t * ntptr, uint32_t *timing, uint32_t *auth_timeout);
47 int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
48 int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid);
49 int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
50
51 // Ultralight/NTAG...
52 int mifare_ul_ev1_auth(uint8_t *key, uint8_t *pack);
53 int mifare_ultra_auth(uint8_t *key);
54 int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData);
55 //int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData);
56 int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData);
57 int mifare_ultra_halt();
58
59 // desfire
60 int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
61 int mifare_sendcmd_special2(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer,uint8_t *answer_parity, uint32_t *timing);
62 int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData);
63 int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData);
64
65 // crypto functions
66 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *receivedCmd, int len);
67 void mf_crypto1_decryptEx(struct Crypto1State *pcs, uint8_t *data_in, int len, uint8_t *data_out);
68 void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par);
69 void mf_crypto1_encryptEx(struct Crypto1State *pcs, uint8_t *data, uint8_t *in, uint16_t len, uint8_t *par);
70 uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data);
71
72 // Mifare memory structure
73 uint8_t NumBlocksPerSector(uint8_t sectorNo);
74 uint8_t FirstBlockOfSector(uint8_t sectorNo);
75 bool IsSectorTrailer(uint8_t blockNo);
76 uint8_t SectorTrailer(uint8_t blockNo);
77
78 // emulator functions
79 void emlClearMem(void);
80 void emlSetMem(uint8_t *data, int blockNum, int blocksCount);
81 void emlGetMem(uint8_t *data, int blockNum, int blocksCount);
82 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount);
83 uint64_t emlGetKey(int sectorNum, int keyType);
84 int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum);
85 int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum);
86 int emlCheckValBl(int blockNum);
87
88 // mifare check keys
89 typedef uint8_t TKeyIndex[2][40];
90 int MifareChkBlockKeysFixedNonce(uint8_t *ar_par, uint8_t ar_par_cnt, uint8_t blockNo, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel);
91 int MifareChkBlockKeys(uint8_t *keys, uint8_t keyCount, uint8_t blockNo, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel);
92 int MifareMultisectorChk(uint8_t *keys, uint8_t keyCount, uint8_t SectorCount, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel, TKeyIndex *keyIndex);
93
94 #endif
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