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FIX: since the correctionNeeded logic changed, with PR #87 (https://github.com/iceman1001/proxmark3/pull/87) this is the consequence changes to it.

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iceman1001 2017-03-06 11:27:15 +01:00
parent 81f9cbb188
commit 00baf27097
3 changed files with 29 additions and 33 deletions
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6
armsrc/emvcmd.c
View file

@ -977,7 +977,7 @@ void SimulateEMVcard()
cmdsRecvd++;
if (p_response != NULL) {
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n, receivedCmd[0] == 0x52);
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n);
// do the tracing for the previous reader request and this tag answer:
@ -1096,11 +1096,11 @@ void EMVFuzz_RATS(uint8_t ratslen, uint8_t* RATS)
}
if (receivedCmd[0] == 0xE0) { // Received a RATS request
p_response = &responses[3]; order = 70;
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n, (receivedCmd[0] == 0x52) || (receivedCmd[0] == 0x26));
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n);
break;
}
if (p_response != NULL){
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n, (receivedCmd[0] == 0x52) || (receivedCmd[0] == 0x26));
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n);
} else {
break;
}

49
armsrc/iso14443a.c
View file

@ -1080,15 +1080,15 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
uint8_t emdata[MAX_MIFARE_FRAME_SIZE];
emlGetMemBt( emdata, start, 16);
AppendCrc14443a(emdata, 16);
EmSendCmdEx(emdata, sizeof(emdata), false);
EmSendCmdEx(emdata, sizeof(emdata));
// We already responded, do not send anything with the EmSendCmd14443aRaw() that is called below
p_response = NULL;
} else { // all other tags (16 byte block tags)
uint8_t emdata[MAX_MIFARE_FRAME_SIZE];
emlGetMemBt( emdata, block, 16);
AppendCrc14443a(emdata, 16);
EmSendCmdEx(emdata, sizeof(emdata), false);
// EmSendCmdEx(data+(4*receivedCmd[1]),16,false);
EmSendCmdEx(emdata, sizeof(emdata));
// EmSendCmdEx(data+(4*receivedCmd[1]),16);
// Dbprintf("Read request from reader: %x %x",receivedCmd[0],receivedCmd[1]);
// We already responded, do not send anything with the EmSendCmd14443aRaw() that is called below
p_response = NULL;
@ -1100,7 +1100,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
int len = (receivedCmd[2] - receivedCmd[1] + 1) * 4;
emlGetMemBt( emdata, start, len);
AppendCrc14443a(emdata, len);
EmSendCmdEx(emdata, len+2, false);
EmSendCmdEx(emdata, len+2);
p_response = NULL;
} else if(receivedCmd[0] == MIFARE_ULEV1_READSIG && tagType == 7) { // Received a READ SIGNATURE --
// first 12 blocks of emu are [getversion answer - check tearing - pack - 0x00 - signature]
@ -1108,7 +1108,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
uint8_t emdata[34];
emlGetMemBt( emdata, start, 32);
AppendCrc14443a(emdata, 32);
EmSendCmdEx(emdata, sizeof(emdata), false);
EmSendCmdEx(emdata, sizeof(emdata));
p_response = NULL;
} else if (receivedCmd[0] == MIFARE_ULEV1_READ_CNT && tagType == 7) { // Received a READ COUNTER --
uint8_t index = receivedCmd[1];
@ -1117,7 +1117,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
num_to_bytes(counters[index], 3, cmd);
AppendCrc14443a(cmd, sizeof(cmd)-2);
}
EmSendCmdEx(cmd,sizeof(cmd),false);
EmSendCmdEx(cmd,sizeof(cmd));
p_response = NULL;
} else if (receivedCmd[0] == MIFARE_ULEV1_INCR_CNT && tagType == 7) { // Received a INC COUNTER --
// number of counter
@ -1127,7 +1127,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
// send ACK
uint8_t ack[] = {0x0a};
EmSendCmdEx(ack,sizeof(ack),false);
EmSendCmdEx(ack,sizeof(ack));
p_response = NULL;
} else if(receivedCmd[0] == MIFARE_ULEV1_CHECKTEAR && tagType == 7) { // Received a CHECK_TEARING_EVENT --
// first 12 blocks of emu are [getversion answer - check tearing - pack - 0x00 - signature]
@ -1136,7 +1136,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
if (receivedCmd[1]<3) counter = receivedCmd[1];
emlGetMemBt( emdata, 10+counter, 1);
AppendCrc14443a(emdata, sizeof(emdata)-2);
EmSendCmdEx(emdata, sizeof(emdata), false);
EmSendCmdEx(emdata, sizeof(emdata));
p_response = NULL;
} else if(receivedCmd[0] == ISO14443A_CMD_HALT) { // Received a HALT
LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
@ -1146,7 +1146,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
uint8_t emdata[10];
emlGetMemBt( emdata, 0, 8 );
AppendCrc14443a(emdata, sizeof(emdata)-2);
EmSendCmdEx(emdata, sizeof(emdata), false);
EmSendCmdEx(emdata, sizeof(emdata));
p_response = NULL;
} else {
@ -1242,7 +1242,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
uint8_t emdata[4];
emlGetMemBt( emdata, start, 2);
AppendCrc14443a(emdata, 2);
EmSendCmdEx(emdata, sizeof(emdata), false);
EmSendCmdEx(emdata, sizeof(emdata));
p_response = NULL;
uint32_t pwd = bytes_to_num(receivedCmd+1,4);
@ -1338,7 +1338,7 @@ void SimulateIso14443aTag(int tagType, int flags, byte_t* data) {
cmdsRecvd++;
if (p_response != NULL) {
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n, receivedCmd[0] == 0x52);
EmSendCmd14443aRaw(p_response->modulation, p_response->modulation_n);
// do the tracing for the previous reader request and this tag answer:
uint8_t par[MAX_PARITY_SIZE] = {0x00};
GetParity(p_response->response, p_response->response_n, par);
@ -1596,10 +1596,11 @@ int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity) {
}
}
int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded) {
int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen) {
uint8_t b;
uint16_t i = 0;
uint32_t ThisTransferTime;
bool correctionNeeded;
// Modulate Manchester
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_MOD);
@ -1654,13 +1655,13 @@ int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded) {
i++;
}
}
LastTimeProxToAirStart = ThisTransferTime + (correctionNeeded?8:0);
LastTimeProxToAirStart = ThisTransferTime + (correctionNeeded ? 8 : 0);
return 0;
}
int EmSend4bitEx(uint8_t resp, bool correctionNeeded){
int EmSend4bit(uint8_t resp){
Code4bitAnswerAsTag(resp);
int res = EmSendCmd14443aRaw(ToSend, ToSendMax, correctionNeeded);
int res = EmSendCmd14443aRaw(ToSend, ToSendMax);
// do the tracing for the previous reader request and this tag answer:
uint8_t par[1] = {0x00};
GetParity(&resp, 1, par);
@ -1677,13 +1678,9 @@ int EmSend4bitEx(uint8_t resp, bool correctionNeeded){
return res;
}
int EmSend4bit(uint8_t resp){
return EmSend4bitEx(resp, false);
}
int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8_t *par){
int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, uint8_t *par){
CodeIso14443aAsTagPar(resp, respLen, par);
int res = EmSendCmd14443aRaw(ToSend, ToSendMax, correctionNeeded);
int res = EmSendCmd14443aRaw(ToSend, ToSendMax);
// do the tracing for the previous reader request and this tag answer:
EmLogTrace(Uart.output,
Uart.len,
@ -1698,20 +1695,20 @@ int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8
return res;
}
int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded){
int EmSendCmdEx(uint8_t *resp, uint16_t respLen){
uint8_t par[MAX_PARITY_SIZE] = {0x00};
GetParity(resp, respLen, par);
return EmSendCmdExPar(resp, respLen, correctionNeeded, par);
return EmSendCmdExPar(resp, respLen, par);
}
int EmSendCmd(uint8_t *resp, uint16_t respLen){
uint8_t par[MAX_PARITY_SIZE] = {0x00};
GetParity(resp, respLen, par);
return EmSendCmdExPar(resp, respLen, false, par);
return EmSendCmdExPar(resp, respLen, par);
}
int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par){
return EmSendCmdExPar(resp, respLen, false, par);
return EmSendCmdExPar(resp, respLen, par);
}
bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t *reader_Parity,
@ -2599,7 +2596,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
// this if-statement doesn't match the specification above. (iceman)
if (len == 1 && ((receivedCmd[0] == ISO14443A_CMD_REQA && cardSTATE != MFEMUL_HALTED) || receivedCmd[0] == ISO14443A_CMD_WUPA)) {
selTimer = GetTickCount();
EmSendCmdEx(atqa, sizeof(atqa), (receivedCmd[0] == ISO14443A_CMD_WUPA));
EmSendCmdEx(atqa, sizeof(atqa));
cardSTATE = MFEMUL_SELECT1;
crypto1_destroy(pcs);
cardAUTHKEY = 0xff;

7
armsrc/iso14443a.h
View file

@ -96,11 +96,10 @@ extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
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);
extern void iso14a_set_trigger(bool enable);
int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
int EmSend4bitEx(uint8_t resp, bool correctionNeeded);
int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen);
int EmSend4bit(uint8_t resp);
int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8_t *par);
int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
int EmSendCmdEx(uint8_t *resp, uint16_t respLen);
extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity);
int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);