cvs.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 #include "random.h"
  30
  31 typedef struct {
  32         enum {
  33                 DEMOD_UNSYNCD,
  34                 // DEMOD_HALF_SYNCD,
  35                 // DEMOD_MOD_FIRST_HALF,
  36                 // DEMOD_NOMOD_FIRST_HALF,
  37                 DEMOD_MANCHESTER_DATA
  38         } state;
  39         uint16_t twoBits;
  40         uint16_t highCnt;
  41         uint16_t bitCount;
  42         uint16_t collisionPos;
  43         uint16_t syncBit;
  44         uint8_t  parityBits;
  45         uint8_t  parityLen;
  46         uint16_t shiftReg;
  47         uint16_t samples;
  48         uint16_t len;
  49         uint32_t startTime, endTime;
  50         uint8_t  *output;
  51         uint8_t  *parity;
  52 } tDemod;
  53
  54 typedef enum {
  55         MOD_NOMOD = 0,
  56         MOD_SECOND_HALF,
  57         MOD_FIRST_HALF,
  58         MOD_BOTH_HALVES
  59         } Modulation_t;
  60
  61 typedef struct {
  62         enum {
  63                 STATE_UNSYNCD,
  64                 STATE_START_OF_COMMUNICATION,
  65                 STATE_MILLER_X,
  66                 STATE_MILLER_Y,
  67                 STATE_MILLER_Z,
  68                 // DROP_NONE,
  69                 // DROP_FIRST_HALF,
  70                 } state;
  71         uint16_t shiftReg;
  72         int16_t  bitCount;
  73         uint16_t len;
  74         uint16_t byteCntMax;
  75         uint16_t posCnt;
  76         uint16_t syncBit;
  77         uint8_t  parityBits;
  78         uint8_t  parityLen;
  79         uint32_t fourBits;
  80         uint32_t startTime, endTime;
  81     uint8_t *output;
  82         uint8_t *parity;
  83 } tUart;
  84
  85 typedef struct {
  86         uint8_t* response;
  87         size_t   response_n;
  88         uint8_t* modulation;
  89         size_t   modulation_n;
  90         uint32_t ProxToAirDuration;
  91 } tag_response_info_t;
  92
  93 extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
  94 extern void AppendCrc14443a(uint8_t *data, int len);
  95
  96 extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
  97 extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
  98 extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
  99 extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
 100
 101 extern void iso14443a_setup(uint8_t fpga_minor_mode);
 102 extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
 103 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);
 104 extern void iso14a_set_trigger(bool enable);
 105
 106 int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
 107 int EmSend4bitEx(uint8_t resp, bool correctionNeeded);
 108 int EmSend4bit(uint8_t resp);
 109 int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8_t *par);
 110 int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
 111 extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
 112 int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
 113 bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t *reader_Parity,
 114                                 uint8_t *tag_data, uint16_t tag_len, uint32_t tag_StartTime, uint32_t tag_EndTime, uint8_t *tag_Parity);
 115
 116
 117 #ifdef __cplusplus
 118 }
 119 #endif
 120
 121 #endif /* __ISO14443A_H */