auth 14443-4 (#692)

* AES authentication
This commit is contained in:
Oleg Moiseenko 2018-10-10 23:34:04 +03:00 committed by pwpiwi
commit 7dadcc959f
3 changed files with 237 additions and 0 deletions

View file

@ -648,6 +648,95 @@ void DropField() {
SendCommand(&c);
}
int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
uint16_t cmdc = 0;
*dataoutlen = 0;
if (activateField) {
UsbCommand resp;
// Anticollision + SELECT card
UsbCommand ca = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT | ISO14A_CLEAR_TRACE, 0, 0}};
SendCommand(&ca);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
PrintAndLog("14aRAW ERROR: Proxmark connection timeout.");
return 1;
}
// check result
if (resp.arg[0] == 0) {
PrintAndLog("14aRAW ERROR: No card in field.");
return 1;
}
if (resp.arg[0] != 1 && resp.arg[0] != 2) {
PrintAndLog("14aRAW ERROR: card not in iso14443-4. res=%d.", resp.arg[0]);
return 1;
}
if (resp.arg[0] == 2) { // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
// get ATS
UsbCommand cr = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0}};
uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
memcpy(cr.d.asBytes, rats, 2);
SendCommand(&cr);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
PrintAndLog("14aRAW ERROR: Proxmark connection timeout.");
return 1;
}
if (resp.arg[0] <= 0) { // ats_len
PrintAndLog("14aRAW ERROR: Can't get ATS.");
return 1;
}
}
}
if (leaveSignalON)
cmdc |= ISO14A_NO_DISCONNECT;
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | cmdc, (datainlen & 0xFFFF), 0}};
memcpy(c.d.asBytes, datain, datainlen);
SendCommand(&c);
uint8_t *recv;
UsbCommand resp;
if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
recv = resp.d.asBytes;
int iLen = resp.arg[0];
*dataoutlen = iLen - 2;
if (*dataoutlen < 0)
*dataoutlen = 0;
if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
PrintAndLog("14aRAW ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
return 2;
}
memcpy(dataout, recv, *dataoutlen);
if(!iLen) {
PrintAndLog("14aRAW ERROR: No card response.");
return 1;
}
// CRC Check
if (iLen == -1) {
PrintAndLog("14aRAW ERROR: ISO 14443A CRC error.");
return 3;
}
} else {
PrintAndLog("14aRAW ERROR: Reply timeout.");
return 4;
}
return 0;
}
int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
uint16_t cmdc = 0;