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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 |
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14 | |
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15 | #include <stdarg.h> |
| 16 | #include <stdint.h> |
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17 | #include "proxmark3.h" |
| 18 | #include "apps.h" |
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19 | #include "tlv.h" |
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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 | |
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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 |
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53 | |
| 54 | //functions |
| 55 | //int emv_sendapdu( uint8_t cla, uint8_t ins, uint8_t p1, uint8_t p2, uint8_t lc, uint8_t* data, uint8_t le); |
| 56 | int emv_select(uint8_t* AID, uint8_t AID_len, void* data); |
| 57 | int emv_selectPPSE(); |
| 58 | int emv_readrecord(uint8_t recordnumber, uint8_t sfi, void* data); |
| 59 | int emv_getprocessingoptions(uint8_t* pdol, uint8_t pdol_len, void* data |
| 60 | ); |
| 61 | int emv_computecryptogram(uint8_t* UDOL, uint8_t UDOL_len, void *data); |
| 62 | //return 8 8byte ICC random number. |
| 63 | int emv_getchallenge(void *data); |
| 64 | int emv_loopback(uint8_t* transData , uint8_t transData_len, void *data); |
| 65 | int emv_generateAC(uint8_t refcontrolparam, uint8_t* cdolinput, uint8_t cdolinputlen, void* data); |
| 66 | int emv_decodeAFL(uint8_t* AFL, uint8_t AFLlen); |
| 67 | int emv_decodeAIP(uint8_t* AIP); |
| 68 | int emv_decodeCVM(uint8_t* CVM, uint8_t CVMlen); |
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69 | |
| 70 | //utils |
| 71 | int emv_printtag(uint8_t* selected_tag,emvtags* inputcard, uint8_t* outputstring, uint8_t* outputlen); |
| 72 | int emv_decode_field(uint8_t* inputfield,uint16_t inputlength, emvtags *result); |
| 73 | int emv_emvtags_decode_tag(tlvtag* inputtag, emvtags* currentcard); |
| 74 | //look up a tag in the current structure |
| 75 | int emv_lookuptag(uint8_t* tag, emvtags* currentcard, uint8_t* outputval, uint8_t* outputvallen); |
| 76 | //set a tag from external impurt |
| 77 | int emv_settag(uint32_t tag, uint8_t *datain, emvtags *currentcard) ; |
| 78 | void dumpCard(emvtags* currentcard); |
| 79 | |
| 80 | //generate a valid PDOL list from the returned card value, used in get processing options |
| 81 | int emv_generateDOL(uint8_t* DOL, uint8_t DOLlen,emvtags* currentcard, uint8_t* DOLoutput, uint8_t* DOLoutputlen); |
| 82 | |
| 83 | int emv_generatetemplate(uint8_t* templateval,emvtags* currentcard, uint8_t* returnedval, uint8_t* returnedlen, uint8_t numtags, ...); |
| 84 | #endif |
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