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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 // mifare authentication
16 #define CRYPT_NONE 0
17 #define CRYPT_ALL 1
18 #define CRYPT_REQUEST 2
19 #define AUTH_FIRST 0
20 #define AUTH_NESTED 2
21
22 // mifare 4bit card answers
23 #define CARD_ACK 0x0A // 1010 - ACK
24 #define CARD_NACK_NA 0x04 // 0100 - NACK, not allowed (command not allowed)
25 #define CARD_NACK_TR 0x05 // 0101 - NACK, transmission error
26
27 // reader voltage field detector
28 #define MF_MINFIELDV 4000
29
30 // debug
31 // 0 - no debug messages 1 - error messages 2 - all messages 4 - extended debug mode
32 #define MF_DBG_NONE 0
33 #define MF_DBG_ERROR 1
34 #define MF_DBG_ALL 2
35 #define MF_DBG_EXTENDED 4
36
37 extern int MF_DBGLEVEL;
38
39 //mifare emulator states
40 #define MFEMUL_NOFIELD 0
41 #define MFEMUL_IDLE 1
42 #define MFEMUL_SELECT1 2
43 #define MFEMUL_SELECT2 3
44 #define MFEMUL_AUTH1 4
45 #define MFEMUL_AUTH2 5
46 #define MFEMUL_WORK 6
47 #define MFEMUL_WRITEBL2 7
48 #define MFEMUL_INTREG_INC 8
49 #define MFEMUL_INTREG_DEC 9
50 #define MFEMUL_INTREG_REST 10
51 #define MFEMUL_HALTED 11
52
53 #define cardSTATE_TO_IDLE() cardSTATE = MFEMUL_IDLE; LED_B_OFF(); LED_C_OFF();
54
55 //functions
56 uint8_t* mifare_get_bigbufptr(void);
57 int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t *timing);
58 int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t* amswer, uint8_t *timing);
59 int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr, uint32_t *timing);
60
61 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, \
62 uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested);
63 int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, \
64 uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr, uint32_t *timing);
65 int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
66 int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData);
67 int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
68 int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData);
69 int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData);
70 int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid);
71 int mifare_ultra_halt(uint32_t uid);
72
73 // crypto functions
74 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *receivedCmd, int len);
75 void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, int len, uint32_t *par);
76 uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data);
77
78 // memory management
79 uint8_t* mifare_get_bigbufptr(void);
80 uint8_t* eml_get_bigbufptr_sendbuf(void);
81 uint8_t* eml_get_bigbufptr_recbuf(void);
82
83 // emulator functions
84 void emlClearMem(void);
85 void emlSetMem(uint8_t *data, int blockNum, int blocksCount);
86 void emlGetMem(uint8_t *data, int blockNum, int blocksCount);
87 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount);
88 uint64_t emlGetKey(int sectorNum, int keyType);
89 int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum);
90 int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum);
91 int emlCheckValBl(int blockNum);
92
93 #endif
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