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

   1 //-----------------------------------------------------------------------------
   2 // Peter Fillmore 2014
   3 // code derived off merloks mifare code
   4 //
   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 // code for work with EMV cards.
  11 //-----------------------------------------------------------------------------
  12 #ifndef __EMVUTIL_H
  13 #define __EMVUTIL_H
  14
  15 #include <stdarg.h>
  16 #include <stdint.h>
  17 #include "proxmark3.h"
  18 #include "apps.h"
  19 #include "tlv.h"
  20 #include "util.h"
  21 #include "string.h"
  22 #include "BigBuf.h"
  23 #include "iso14443crc.h"
  24 #include "iso14443a.h"
  25 #include "emvutil.h"
  26 #include "emvdataels.h" //EMV data elements
  27 #include "emvtags.h" //EMV card structure
  28
  29 // mifare 4bit card answers
  30 // reader voltage field detector
  31 #define EMV_MINFIELDV      4000
  32
  33 // debug
  34 // 0 - no debug messages 1 - error messages 2 - all messages 4 - extended debug mode
  35 #define EMV_DBG_NONE          0
  36 #define EMV_DBG_ERROR         1
  37 #define EMV_DBG_ALL           2
  38 #define EMV_DBG_EXTENDED      4
  39
  40 extern int EMV_DBGLEVEL;
  41
  42 //EMV emulator states need to update
  43 #define EMVEMUL_NOFIELD      0
  44 #define EMVEMUL_IDLE         1
  45 #define EMVEMUL_SELECT1      2
  46 #define EMVEMUL_SELECT2      3
  47 #define EMVEMUL_SELECT3      4
  48 #define EMVEMUL_AUTH1       5
  49 #define EMVEMUL_AUTH2       6
  50 #define EMVEMUL_WORK       7
  51 #define EMVEMUL_HALTED      8
  52 #define EMVEMUL_ACK 9
  53 //#define cardSTATE_TO_IDLE() cardSTATE = EMVEMUL_IDLE; LED_B_OFF(); LED_C_OFF();
  54 //grabbed from iso14443a.c
  55 //static int EmGetCmd(uint8_t *received, int *len);
  56 //int EmSendCmdEx(uint8_t *resp, size_t respLen, bool correctionNeeded);//tag types
  57 //int EmSendCmd(uint8_t *resp, size_t respLen);
  58 //#define cardSTATE_TO_IDLE() cardSTATE = MFEMUL_IDLE; LED_B_OFF(); LED_C_OFF();
  59 //extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
  60
  61 //functions
  62 //int emv_sendapdu( uint8_t cla, uint8_t ins, uint8_t p1, uint8_t p2,  uint8_t lc, uint8_t* data, uint8_t le);
  63 int emv_select(uint8_t* AID, uint8_t AID_len, void* data);
  64 int emv_selectPPSE();
  65 int emv_readrecord(uint8_t recordnumber, uint8_t sfi, void* data);
  66 int emv_getprocessingoptions(uint8_t* pdol, uint8_t pdol_len, void* data
  67 );
  68 int emv_computecryptogram(uint8_t* UDOL, uint8_t UDOL_len, void *data);
  69 //return 8 8byte ICC random number.
  70 int emv_getchallenge(void *data);
  71 int emv_loopback(uint8_t* transData , uint8_t transData_len, void *data);
  72 int emv_generateAC(uint8_t refcontrolparam, uint8_t* cdolinput, uint8_t cdolinputlen, void* data);
  73 int emv_decodeAFL(uint8_t* AFL, uint8_t AFLlen);
  74 int emv_decodeAIP(uint8_t* AIP);
  75 int emv_decodeCVM(uint8_t* CVM, uint8_t CVMlen);
  76 //memory management
  77 //uint8_t* emv_get_bigbufptr(void);
  78 //uint8_t* emv_get_bigbufptr_sendbuf(void);
  79 //uint8_t* emv_get_bigbufptr_recbuf(void);
  80
  81 //emulator
  82 //void EMVsim();
  83
  84 //utils
  85 int emv_printtag(uint8_t* selected_tag,emvtags* inputcard, uint8_t* outputstring, uint8_t* outputlen);
  86 int emv_decode_field(uint8_t* inputfield,uint16_t inputlength, emvtags *result);
  87 int emv_emvtags_decode_tag(tlvtag* inputtag, emvtags* currentcard);
  88 //look up a tag in the current structure
  89 int emv_lookuptag(uint8_t* tag, emvtags* currentcard, uint8_t* outputval, uint8_t* outputvallen);
  90 //set a tag from external impurt
  91 int emv_settag(uint32_t tag, uint8_t *datain, emvtags *currentcard) ;
  92 void dumpCard(emvtags* currentcard);
  93
  94 //generate a valid PDOL list from the returned card value, used in get processing options
  95 int emv_generateDOL(uint8_t* DOL, uint8_t DOLlen,emvtags* currentcard, uint8_t* DOLoutput, uint8_t* DOLoutputlen);
  96
  97 int emv_generatetemplate(uint8_t* templateval,emvtags* currentcard, uint8_t* returnedval, uint8_t* returnedlen, uint8_t numtags, ...);
  98 #endif