//--------------------------------------------------------------------------------
//Routines to support EMV transactions
//--------------------------------------------------------------------------------
-
-#include "mifare.h"
-#include "iso14443a.h"
-#include "emvutil.h"
#include "emvcmd.h"
-#include "apps.h"
-#include "emvdataels.h"
static emvtags currentcard; //use to hold emv tags for the reader/card during communications
-static tUart Uart;
// The FPGA will report its internal sending delay in
-uint16_t FpgaSendQueueDelay;
-//variables used for timing purposes:
-//these are in ssp_clk cycles:
-//static uint32_t NextTransferTime;
-static uint32_t LastTimeProxToAirStart;
-//static uint32_t LastProxToAirDuration;
+//uint16_t FpgaSendQueueDelay;
+
//load individual tag into current card
void EMVloadvalue(uint32_t tag, uint8_t *datain){
void EMVReadRecord(uint8_t arg0, uint8_t arg1,emvtags *currentcard)
{
uint8_t record = arg0;
- uint8_t sfi = arg1 & 0x0F; //convert arg1 to number
+ uint8_t sfi = arg1 & 0x0F; // convert arg1 to number
uint8_t receivedAnswer[MAX_FRAME_SIZE];
-
- //uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
-
- //variables
- tlvtag inputtag; //create the tag structure
- //perform read
- //write the result to the provided card
+
+ // variables
+ tlvtag inputtag; // create the tag structure
+ // perform read
+ // write the result to the provided card
if(!emv_readrecord(record,sfi,receivedAnswer)) {
if(EMV_DBGLEVEL >= 1) Dbprintf("readrecord failed");
}
void EMVSelectAID(uint8_t *AID, uint8_t AIDlen, emvtags* inputcard)
{
uint8_t receivedAnswer[MAX_FRAME_SIZE];
- //uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
- //variables
- tlvtag inputtag; //create the tag structure
- //perform select
+ // variables
+ tlvtag inputtag; // create the tag structure
+ // perform select
if(!emv_select(AID, AIDlen, receivedAnswer)){
if(EMV_DBGLEVEL >= 1) Dbprintf("AID Select failed");
return;
}
- //write the result to the provided card
+ // write the result to the provided card
if(*(receivedAnswer+1) == 0x6F){
- //decode the 6F template
+ // decode the 6F template
decode_ber_tlv_item(receivedAnswer+1, &inputtag);
- //store 84 and A5 tags
+ // store 84 and A5 tags
emv_decode_field(inputtag.value, inputtag.valuelength, ¤tcard);
- //decode the A5 tag
+ // decode the A5 tag
if(currentcard.tag_A5_len > 0)
emv_decode_field(currentcard.tag_A5, currentcard.tag_A5_len, ¤tcard);
- //copy this result to the DFName
+ // copy this result to the DFName
if(currentcard.tag_84_len == 0)
memcpy(currentcard.tag_DFName, currentcard.tag_84, currentcard.tag_84_len);
- //decode the BF0C result, assuming 1 directory entry for now
+ // decode the BF0C result, assuming 1 directory entry for now
if(currentcard.tag_BF0C_len !=0){
emv_decode_field(currentcard.tag_BF0C, currentcard.tag_BF0C_len, ¤tcard);}
- //retrieve the AID, use the AID to decide what transaction flow to use
+ // retrieve the AID, use the AID to decide what transaction flow to use
if(currentcard.tag_61_len !=0){
emv_decode_field(currentcard.tag_61, currentcard.tag_61_len, ¤tcard);}
}
int EMVGetProcessingOptions(uint8_t *PDOL, uint8_t PDOLlen, emvtags* inputcard)
{
uint8_t receivedAnswer[MAX_FRAME_SIZE];
- //uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
- //variables
+ // variables
tlvtag inputtag; //create the tag structure
- //perform pdol
+ // perform pdol
if(!emv_getprocessingoptions(PDOL, PDOLlen, receivedAnswer)){
if(EMV_DBGLEVEL >= 1) Dbprintf("get processing options failed");
return 0;
}
- //write the result to the provided card
- //FORMAT 1 received
+ // write the result to the provided card
+ // FORMAT 1 received
if(receivedAnswer[1] == 0x80){
- //store AIP
- //decode tag 80
+ // store AIP
+ // decode tag 80
decode_ber_tlv_item(receivedAnswer+1, &inputtag);
memcpy(currentcard.tag_82, &inputtag.value, sizeof(currentcard.tag_82));
memcpy(currentcard.tag_94, &inputtag.value[2], inputtag.valuelength - sizeof(currentcard.tag_82));
currentcard.tag_94_len = inputtag.valuelength - sizeof(currentcard.tag_82);
}
else if(receivedAnswer[1] == 0x77){
- //decode the 77 template
+ // decode the 77 template
decode_ber_tlv_item(receivedAnswer+1, &inputtag);
- //store 82 and 94 tags (AIP, AFL)
+ // store 82 and 94 tags (AIP, AFL)
emv_decode_field(inputtag.value, inputtag.valuelength, ¤tcard);
}
if(EMV_DBGLEVEL >= 2)
int EMVGetChallenge(emvtags* inputcard)
{
uint8_t receivedAnswer[MAX_FRAME_SIZE];
- //uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
- //variables
- //tlvtag inputtag; //create the tag structure
- //perform select
+ // variables
+ // tlvtag inputtag; //create the tag structure
+ // perform select
if(!emv_getchallenge(receivedAnswer)){
if(EMV_DBGLEVEL >= 1) Dbprintf("get processing options failed");
return 1;
uint8_t cdolcommandlen = 0;
tlvtag temptag;
- //uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
if(currentcard.tag_8C_len > 0) {
emv_generateDOL(currentcard.tag_8C, currentcard.tag_8C_len, ¤tcard, cdolcommand, &cdolcommandlen); }
else{
- //cdolcommand = NULL; //cdol val is null
+ // cdolcommand = NULL; //cdol val is null
cdolcommandlen = 0;
}
- //variables
- //tlvtag inputtag; //create the tag structure
- //perform select
+ // variables
+ // tlvtag inputtag; //create the tag structure
+ // perform select
if(!emv_generateAC(refcontrol, cdolcommand, cdolcommandlen,receivedAnswer)){
if(EMV_DBGLEVEL >= 1) Dbprintf("get processing options failed");
return 1;
int EMV_PaywaveTransaction()
{
uint8_t cardMode = 0;
- //determine mode of transaction from TTQ
+ // determine mode of transaction from TTQ
if((currentcard.tag_9F66[0] & 0x40) == 0x40) {
cardMode = VISA_EMV;
}
else if((currentcard.tag_9F66[0] & 0x80) == 0x80) {
if((currentcard.tag_9F66[1] & 0x80) == 1) { //CVN17
cardMode = VISA_CVN17;
- }
- else{
+ } else {
cardMode = VISA_DCVV;
- }
+ }
}
- EMVSelectAID(currentcard.tag_4F,currentcard.tag_4F_len, ¤tcard); //perform second AID command
+ EMVSelectAID(currentcard.tag_4F,currentcard.tag_4F_len, ¤tcard); // perform second AID command
- //get PDOL
+ // get PDOL
uint8_t pdolcommand[20]; //20 byte buffer for pdol data
uint8_t pdolcommandlen = 0;
if(currentcard.tag_9F38_len > 0) {
Dbhexdump(2, currentcard.tag_82, false);
emv_decodeAIP(currentcard.tag_82);
//
-// //decode the AFL list and read records
+// decode the AFL list and read records
uint8_t i = 0;
uint8_t sfi = 0;
uint8_t recordstart = 0;
recordstart = currentcard.tag_94[i++];
recordend = currentcard.tag_94[i++];
for(int j=recordstart; j<(recordend+1); j++){
- //read records
+ // read records
EMVReadRecord(j,sfi, ¤tcard);
- //while(responsebuffer[0] == 0xF2) {
+ // while(responsebuffer[0] == 0xF2) {
// EMVReadRecord(j,sfi, ¤tcard);
- //}
+ // }
}
i++;
}
EMVReadRecord(3,3,¤tcard);
EMVReadRecord(4,2,¤tcard);
}
- //EMVGetChallenge(¤tcard);
- //memcpy(currentcard.tag_9F4C,&responsebuffer[1],8); // ICC UN
+ // EMVGetChallenge(¤tcard);
+ // memcpy(currentcard.tag_9F4C,&responsebuffer[1],8); // ICC UN
EMVGenerateAC(0x81,¤tcard);
Dbprintf("CARDMODE=%i",cardMode);
return 0;
}
-
int EMV_PaypassTransaction()
{
- //uint8_t *responsebuffer = emv_get_bigbufptr();
- //tlvtag temptag; //buffer for decoded tags
- //get the current block counter
- //select the AID (Mastercard
+ // uint8_t *responsebuffer = emv_get_bigbufptr();
+ // tlvtag temptag; //buffer for decoded tags
+ // get the current block counter
+ // select the AID (Mastercard
EMVSelectAID(currentcard.tag_4F,currentcard.tag_4F_len, ¤tcard);
- //get PDOL
- uint8_t pdolcommand[20]; //20 byte buffer for pdol data
+ // get PDOL
+ uint8_t pdolcommand[20]; // 20 byte buffer for pdol data
uint8_t pdolcommandlen = 0;
if(currentcard.tag_9F38_len > 0) {
emv_generateDOL(currentcard.tag_9F38, currentcard.tag_9F38_len, ¤tcard, pdolcommand, &pdolcommandlen);
Dbhexdump(2, currentcard.tag_82, false);
emv_decodeAIP(currentcard.tag_82);
- //decode the AFL list and read records
+ // decode the AFL list and read records
uint8_t i = 0;
uint8_t sfi = 0;
uint8_t recordstart = 0;
recordstart = currentcard.tag_94[i++];
recordend = currentcard.tag_94[i++];
for(int j=recordstart; j<(recordend+1); j++){
- //read records
+ // read records
EMVReadRecord(j,sfi, ¤tcard);
- //while(responsebuffer[0] == 0xF2) {
+ // while(responsebuffer[0] == 0xF2) {
// EMVReadRecord(j,sfi, ¤tcard);
- //}
+ // }
}
i++;
}
/* get ICC dynamic data */
if((currentcard.tag_82[0] & AIP_CDA_SUPPORTED) == AIP_CDA_SUPPORTED)
{
- //DDA supported, so perform GENERATE AC
- //generate the iCC UN
+ // DDA supported, so perform GENERATE AC
+ // generate the iCC UN
EMVGetChallenge(¤tcard);
//memcpy(currentcard.tag_9F4C,&responsebuffer[1],8); // ICC UN
EMVGenerateAC(0x80,¤tcard);
- //generate AC2
- //if(currentcard.tag_8D_len > 0) {
+ // generate AC2
+ // if(currentcard.tag_8D_len > 0) {
// emv_generateDOL(currentcard.tag_8D, currentcard.tag_8D_len, ¤tcard, cdolcommand, &cdolcommandlen); }
- //else{
+ // else{
// //cdolcommand = NULL; //cdol val is null
// cdolcommandlen = 0;
- //}
- //emv_generateAC(0x80, cdolcommand,cdolcommandlen, ¤tcard);
+ // }
+ // emv_generateAC(0x80, cdolcommand,cdolcommandlen, ¤tcard);
- //if(responsebuffer[1] == 0x77) //format 2 data field returned
- //{
+ // if(responsebuffer[1] == 0x77) //format 2 data field returned
+ // {
// decode_ber_tlv_item(&responsebuffer[1], &temptag);
// emv_decode_field(temptag.value, temptag.valuelength, ¤tcard);
- //}
+ // }
}
- //generate cryptographic checksum
- //uint8_t udol[4] = {0x00,0x00,0x00,0x00};
- //emv_computecryptogram(udol, sizeof(udol));
- //if(responsebuffer[1] == 0x77) //format 2 data field returned
- //{
+ // generate cryptographic checksum
+ // uint8_t udol[4] = {0x00,0x00,0x00,0x00};
+ // emv_computecryptogram(udol, sizeof(udol));
+ // if(responsebuffer[1] == 0x77) //format 2 data field returned
+ // {
// decode_ber_tlv_item(&responsebuffer[1], &temptag);
// emv_decode_field(temptag.value, temptag.valuelength, ¤tcard);
- //}
+ // }
return 0;
}
LED_C_OFF();
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
while(true) {
- if(!iso14443a_select_card(uid,NULL,&cuid)) {
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
if(EMV_DBGLEVEL >= 1) Dbprintf("Can't select card");
break;
}
//selectPPSE
EMVSelectAID((uint8_t *)DF_PSE, 14, ¤tcard); //hard coded len
+
//get response
if (!memcmp(currentcard.tag_4F, AID_MASTERCARD, sizeof(AID_MASTERCARD))){
Dbprintf("Mastercard Paypass Card Detected");
//-----------------------------------------------------------------------------
void SimulateEMVcard()
{
+ /*
+
//uint8_t sak; //select ACKnowledge
uint16_t readerPacketLen = 64; //reader packet length - provided by RATS, default to 64 bytes if RATS not supported
currentblock = receivedCmd[0] & 0x01;
if(receivedCmd[0] == 0x26) { // Received a REQUEST
- p_response = &responses[ATR]; order = REQA;
+ p_response = &responses[ATR]; order = ISO14443A_CMD_REQA;
} else if(receivedCmd[0] == 0x52) { // Received a WAKEUP
- p_response = &responses[ATR]; order = WUPA;
+ p_response = &responses[ATR]; order = ISO14443A_CMD_WUPA;
} else if(receivedCmd[1] == 0x20 && receivedCmd[0] == 0x93) { // Received request for UID (cascade 1)
- p_response = &responses[UID1]; order = SELUID1;
+ p_response = &responses[UID1]; order = ISO14443A_CMD_ANTICOLL_OR_SELECT;
} else if(receivedCmd[1] == 0x20 && receivedCmd[0] == 0x95) { // Received request for UID (cascade 2)
- p_response = &responses[UID2]; order = SELUID2;
+ p_response = &responses[UID2]; order = ISO14443A_CMD_ANTICOLL_OR_SELECT_2;
} else if(receivedCmd[1] == 0x70 && receivedCmd[0] == 0x93) { // Received a SELECT (cascade 1)
- p_response = &responses[SELACK1]; order = SEL1;
+ p_response = &responses[SELACK1]; order = ISO14443A_CMD_ANTICOLL_OR_SELECT;
} else if(receivedCmd[1] == 0x70 && receivedCmd[0] == 0x95) { // Received a SELECT (cascade 2)
- p_response = &responses[SELACK2]; order = SEL2;
+ p_response = &responses[SELACK2]; order = ISO14443A_CMD_ANTICOLL_OR_SELECT_2;
} else if((receivedCmd[0] & 0xA2) == 0xA2){ //R-Block received
if(previousblock == currentblock){ //rule 11, retransmit last block
p_response = &dynamic_response_info;
Dbprintf("%x %x %x", happened, happened2, cmdsRecvd);
LED_A_OFF();
BigBuf_free_keep_EM();
+
+ */
}
projects / proxmark3-svn / blobdiff