git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/mifareutil.h

   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 nested
  40 #define MEM_CHUNK        10000
  41 #define TRY_KEYS            50
  42 #define NS_TOLERANCE        10 //  [distance avg-value, distance avg+value]
  43 #define NS_RETRIES_GETNONCE 15
  44 #define NES_MAX_INFO         5
  45
  46 //mifare emulator states
  47 #define MFEMUL_NOFIELD  0
  48 #define MFEMUL_IDLE     1
  49 #define MFEMUL_SELECT1  2
  50 #define MFEMUL_SELECT2  3
  51 #define MFEMUL_AUTH1    4
  52 #define MFEMUL_AUTH2    5
  53 #define MFEMUL_WORK                     6
  54 #define MFEMUL_WRITEBL2 7
  55 #define MFEMUL_HALTED   8
  56
  57 //functions
  58 uint8_t* mifare_get_bigbufptr(void);
  59 int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer);
  60 int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr);
  61
  62 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, \
  63                                                                                                 uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested);
  64 int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, \
  65                                                                                                         uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr);
  66 int mifare_classic_readblock(struct Crypto1State *pcs, 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_classic_halt(struct Crypto1State *pcs, uint32_t uid);
  69
  70 // crypto functions
  71 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *receivedCmd, int len);
  72 void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, int len, uint32_t *par);
  73 uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data);
  74
  75 // memory management
  76 uint8_t* mifare_get_bigbufptr(void);
  77 uint8_t* eml_get_bigbufptr_sendbuf(void);
  78 uint8_t* eml_get_bigbufptr_recbuf(void);
  79
  80 // emulator functions
  81 void emlClearMem(void);
  82 void emlSetMem(uint8_t *data, int blockNum, int blocksCount);
  83 void emlGetMem(uint8_t *data, int blockNum, int blocksCount);
  84 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount);
  85
  86 #endif