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changed iso14aapdu arm side and client
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3 changed files with 66 additions and 71 deletions
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@ -12,10 +12,11 @@
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#include "iso14443a.h"
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#include <stdio.h>
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#include <string.h>
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#include "proxmark3.h"
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#include "apps.h"
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#include "util.h"
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#include "string.h"
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#include "cmd.h"
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#include "iso14443crc.h"
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#include "crapto1/crapto1.h"
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@ -1873,29 +1874,47 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
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int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data) {
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uint8_t parity[MAX_PARITY_SIZE];
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uint8_t real_cmd[cmd_len+4];
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real_cmd[0] = 0x0a; //I-Block
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uint8_t real_cmd[cmd_len + 4];
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// ISO 14443 APDU frame: PCB [CID] [NAD] APDU CRC PCB=0x02
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real_cmd[0] = 0x02; // bnr,nad,cid,chn=0; i-block(0x00)
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// put block number into the PCB
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real_cmd[0] |= iso14_pcb_blocknum;
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real_cmd[1] = 0x00; //CID: 0 //FIXME: allow multiple selected cards
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memcpy(real_cmd+2, cmd, cmd_len);
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AppendCrc14443a(real_cmd,cmd_len+2);
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memcpy(real_cmd + 1, cmd, cmd_len);
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AppendCrc14443a(real_cmd, cmd_len + 1);
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ReaderTransmit(real_cmd, cmd_len+4, NULL);
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ReaderTransmit(real_cmd, cmd_len + 3, NULL);
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size_t len = ReaderReceive(data, parity);
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uint8_t *data_bytes = (uint8_t *) data;
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if (!len)
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if (!len) {
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return 0; //DATA LINK ERROR
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// if we received an I- or R(ACK)-Block with a block number equal to the
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// current block number, toggle the current block number
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else if (len >= 4 // PCB+CID+CRC = 4 bytes
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} else{
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if (len >= 3 // PCB+CRC = 3 bytes
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&& ((data_bytes[0] & 0xC0) == 0 // I-Block
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|| (data_bytes[0] & 0xD0) == 0x80) // R-Block with ACK bit set to 0
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&& (data_bytes[0] & 0x01) == iso14_pcb_blocknum) // equal block numbers
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{
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iso14_pcb_blocknum ^= 1;
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}
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{
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iso14_pcb_blocknum ^= 1;
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}
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// crc check
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if (len >=3 && !CheckCrc14443(CRC_14443_A, data_bytes, len)) {
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return -1;
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}
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}
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// cut frame byte
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len -= 1;
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// memmove(data_bytes, data_bytes + 1, len);
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for (int i = 0; i < len; i++)
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data_bytes[i] = data_bytes[i + 1];
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return len;
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}
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@ -1952,7 +1971,7 @@ void ReaderIso14443a(UsbCommand *c)
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if(param & ISO14A_APDU && !cantSELECT) {
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arg0 = iso14_apdu(cmd, len, buf);
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LED_B_ON();
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cmd_send(CMD_ACK,arg0,0,0,buf,sizeof(buf));
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cmd_send(CMD_ACK, arg0, 0, 0, buf, sizeof(buf));
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LED_B_OFF();
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}
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@ -634,87 +634,73 @@ int CmdHF14ASnoop(const char *Cmd) {
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return 0;
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}
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void DropField() {
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UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
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SendCommand(&c);
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}
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int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen) {
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uint8_t data[USB_CMD_DATA_SIZE];
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int datalen;
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uint16_t cmdc = 0;
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uint8_t first, second;
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static uint8_t iso14_pcb_blocknum;
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if (activateField) {
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cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
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iso14_pcb_blocknum = 0;
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}
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if (leaveSignalON)
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cmdc |= ISO14A_NO_DISCONNECT;
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// ISO 14443 APDU frame: PCB [CID] [NAD] APDU CRC PCB=0x02
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memcpy(data + 1, datain, datainlen);
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data[0] = 0x02; // bnr,nad,cid,chn=0; i-block(0x00)
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data[0] += iso14_pcb_blocknum; // add block number (bnr)
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datalen = datainlen + 1;
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ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
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data[datalen++] = first;
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data[datalen++] = second;
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// "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
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// https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
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// here length USB_CMD_DATA_SIZE=512
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// timeout timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
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UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_SET_TIMEOUT | cmdc, (datalen & 0xFFFF), 1000 * 1000 * 1.06 / 100}};
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memcpy(c.d.asBytes, data, datalen);
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UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_SET_TIMEOUT | cmdc, (datainlen & 0xFFFF), 1000 * 1000 * 1.06 / 100}};
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memcpy(c.d.asBytes, datain, datainlen);
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SendCommand(&c);
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uint8_t *recv;
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UsbCommand resp;
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if (activateField) {
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500))
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
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PrintAndLog("APDU ERROR: Proxmark connection timeout.");
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return 1;
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if (resp.arg[0] != 1)
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}
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if (resp.arg[0] != 1) {
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PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
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return 1;
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}
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}
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if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
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recv = resp.d.asBytes;
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uint8_t iLen = resp.arg[0];
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int iLen = resp.arg[0];
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*dataoutlen = iLen - 1 - 2;
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*dataoutlen = iLen - 2;
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if (*dataoutlen < 0)
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*dataoutlen = 0;
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memcpy(dataout, recv + 1, *dataoutlen);
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memcpy(dataout, recv, *dataoutlen);
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if(!iLen)
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if(!iLen) {
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PrintAndLog("APDU ERROR: No APDU response.");
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return 1;
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// check apdu length
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if (iLen < 5) {
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PrintAndLog("APDU ERROR: Small APDU response.");
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return 2;
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}
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// invert block number field in PCB byte
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if ( ((recv[0] & 0xC0) == 0 // I-Block
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|| (recv[0] & 0xD0) == 0x80) // R-Block with ACK bit set to 0
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&& (recv[0] & 0x01) == iso14_pcb_blocknum) // equal block numbers
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{
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iso14_pcb_blocknum ^= 1;
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}
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// check block
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if (data[0] != recv[0]) {
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PrintAndLog("APDU ERROR: Block type mismatch: %02x-%02x", data[0], recv[0]);
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// check block TODO
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if (iLen == -2) {
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PrintAndLog("APDU ERROR: Block type mismatch.");
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return 2;
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}
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// CRC Check
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ComputeCrc14443(CRC_14443_A, recv, iLen, &first, &second);
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if (first || second) {
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if (iLen == -1) {
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PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
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return 3;
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}
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// check apdu length
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if (iLen < 4) {
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PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
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return 2;
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}
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} else {
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PrintAndLog("APDU ERROR: Reply timeout.");
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@ -782,23 +768,12 @@ int CmdHF14AAPDU(const char *cmd) {
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cmdp++;
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}
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PrintAndLog("--%s %s %s >>>> %s", activateField ? "sel": "", leaveSignalON ? "keep": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
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PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
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switch(ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen)) {
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case 0:
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break;
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case 1:
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PrintAndLog("APDU ERROR: Send APDU error.");
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return 1;
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case 2:
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return 2;
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case 3:
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return 3;
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case 4:
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return 4;
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default:
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return 5;
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}
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int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen);
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if (res)
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return res;
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PrintAndLog("<<<< %s", sprint_hex(data, datalen));
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@ -35,6 +35,7 @@ int CmdHF14ASim(const char *Cmd);
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int CmdHF14ASnoop(const char *Cmd);
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char* getTagInfo(uint8_t uid);
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extern void DropField();
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extern int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen);
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#endif
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