git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/iso14443a.h

   1 //-----------------------------------------------------------------------------
   2 // Merlok - June 2011
   3 // Gerhard de Koning Gans - May 2008
   4 // Hagen Fritsch - June 2010
   5 //
   6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   7 // at your option, any later version. See the LICENSE.txt file for the text of
   8 // the license.
   9 //-----------------------------------------------------------------------------
  10 // Routines to support ISO 14443 type A.
  11 //-----------------------------------------------------------------------------
  12
  13 #ifndef __ISO14443A_H
  14 #define __ISO14443A_H
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 #include "cmd.h"
  21 #include "apps.h"
  22 #include "util.h"
  23 #include "string.h"
  24 #include "iso14443crc.h"
  25 #include "mifaresniff.h"
  26 #include "crapto1.h"
  27 #include "mifareutil.h"
  28 #include "parity.h"
  29
  30 typedef struct {
  31         enum {
  32                 DEMOD_UNSYNCD,
  33                 // DEMOD_HALF_SYNCD,
  34                 // DEMOD_MOD_FIRST_HALF,
  35                 // DEMOD_NOMOD_FIRST_HALF,
  36                 DEMOD_MANCHESTER_DATA
  37         } state;
  38         uint16_t twoBits;
  39         uint16_t highCnt;
  40         uint16_t bitCount;
  41         uint16_t collisionPos;
  42         uint16_t syncBit;
  43         uint8_t  parityBits;
  44         uint8_t  parityLen;
  45         uint16_t shiftReg;
  46         uint16_t samples;
  47         uint16_t len;
  48         uint32_t startTime, endTime;
  49         uint8_t  *output;
  50         uint8_t  *parity;
  51 } tDemod;
  52
  53 typedef enum {
  54         MOD_NOMOD = 0,
  55         MOD_SECOND_HALF,
  56         MOD_FIRST_HALF,
  57         MOD_BOTH_HALVES
  58         } Modulation_t;
  59
  60 typedef struct {
  61         enum {
  62                 STATE_UNSYNCD,
  63                 STATE_START_OF_COMMUNICATION,
  64                 STATE_MILLER_X,
  65                 STATE_MILLER_Y,
  66                 STATE_MILLER_Z,
  67                 // DROP_NONE,
  68                 // DROP_FIRST_HALF,
  69                 } state;
  70         uint16_t shiftReg;
  71         int16_t  bitCount;
  72         uint16_t len;
  73         uint16_t byteCntMax;
  74         uint16_t posCnt;
  75         uint16_t syncBit;
  76         uint8_t  parityBits;
  77         uint8_t  parityLen;
  78         uint32_t fourBits;
  79         uint32_t startTime, endTime;
  80     uint8_t *output;
  81         uint8_t *parity;
  82 } tUart;
  83
  84 typedef struct {
  85         uint8_t* response;
  86         size_t   response_n;
  87         uint8_t* modulation;
  88         size_t   modulation_n;
  89         uint32_t ProxToAirDuration;
  90 } tag_response_info_t;
  91
  92 extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
  93 extern void AppendCrc14443a(uint8_t *data, int len);
  94
  95 extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
  96 extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
  97 extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
  98 extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
  99
 100 extern void iso14443a_setup(uint8_t fpga_minor_mode);
 101 extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
 102 extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades);
 103 extern void iso14a_set_trigger(bool enable);
 104
 105 int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
 106 int EmSend4bitEx(uint8_t resp, bool correctionNeeded);
 107 int EmSend4bit(uint8_t resp);
 108 int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8_t *par);
 109 int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
 110 extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
 111 int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
 112 bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t *reader_Parity,
 113                                 uint8_t *tag_data, uint16_t tag_len, uint32_t tag_StartTime, uint32_t tag_EndTime, uint8_t *tag_Parity);
 114
 115
 116 #ifdef __cplusplus
 117 }
 118 #endif
 119
 120 #endif /* __ISO14443A_H */