"NFC java card reader" Code Answer's
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NFC java card reader
Alive Alligator
on May 02, 2021
import java.util.List;
import javax.smartcardio.*;
public class Blog {
public static void main(String[] args) {
try {
// Display the list of terminals
TerminalFactory factory = TerminalFactory.getDefault();
List<CardTerminal> terminals = factory.terminals().list();
System.out.println("Terminals: " + terminals);
// Use the first terminal
CardTerminal terminal = terminals.get(0);
// Connect wit hthe card
Card card = terminal.connect("*");
System.out.println("card: " + card);
CardChannel channel = card.getBasicChannel();
// Send Select Applet command
byte[] aid = {(byte)0xA0, 0x00, 0x00, 0x00, 0x62, 0x03, 0x01, 0x0C, 0x06, 0x01};
ResponseAPDU answer = channel.transmit(new CommandAPDU(0x00, 0xA4, 0x04, 0x00, aid));
System.out.println("answer: " + answer.toString());
// Send test command
answer = channel.transmit(new CommandAPDU(0x00, 0x00, 0x00, 0x00));
System.out.println("answer: " + answer.toString());
byte r[] = answer.getData();
for (int i=0; i<r.length; i++)
System.out.print((char)r[i]);
System.out.println();
// Disconnect the card
card.disconnect(false);
} catch(Exception e) {
System.out.println("Ouch: " + e.toString());
}
}
}
Source: ludovicrousseau.blogspot.com
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