Example usage for javax.smartcardio ResponseAPDU getBytes

Introduction

In this page you can find the example usage for javax.smartcardio ResponseAPDU getBytes.

Prototype

public byte[] getBytes() 

Source Link

Document

Returns a copy of the bytes in this APDU.

Usage

From source file:NFC.IsmbSnepConnectionTarget.java

/**
 * Sends and receives APDUs to and from the controller
 *
 * @param instr//from  w ww . j  ava2  s. c om
 *            Instruction
 * @param param
 *            Payload to send
 *
 * @return The response payload 
 */
private byte[] transceive(byte instr, byte[] payload) throws IsmbSnepException {

    if (ch == null) {
        throw new IsmbSnepException("channel not open");
    }
    int payloadLength = (payload != null) ? payload.length : 0;
    byte[] instruction = { (byte) 0xd4, instr };

    //ACR122 header
    byte[] header = { (byte) 0xff, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) (instruction.length + payloadLength) };

    /* construct the command */
    byte[] cmd = Util.appendToByteArray(header, instruction, 0, instruction.length);
    cmd = Util.appendToByteArray(cmd, payload);

    if (debugMode)
        Util.debugAPDUs(cmd, null);

    try {
        CommandAPDU c = new CommandAPDU(cmd);
        ResponseAPDU r = ch.transmit(c);

        byte[] ra = r.getBytes();

        if (debugMode)
            Util.debugAPDUs(null, ra);

        /* check whether APDU command was accepted by the Controller */
        if (r.getSW1() == 0x63 && r.getSW2() == 0x27) {
            throw new CardException("wrong checksum from contactless response");
        } else if (r.getSW1() == 0x63 && r.getSW2() == 0x7f) {
            throw new CardException("wrong PN53x command");
        } else if (r.getSW1() != 0x90 && r.getSW2() != 0x00) {
            throw new CardException("unknown error");
        }
        return Util.subByteArray(ra, 2, ra.length - 4);
    } catch (CardException e) {

        throw new IsmbSnepException("problem with transmitting data");
    }
}

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From source file:org.opensc.pkcs15.script.SimpleCommand.java

protected Command checkResponse(ResponseAPDU resp) throws CardException {

    if (!doCheckResponse(resp.getBytes(), this.response)) {
        String msg;/* ww w . ja  v  a  2  s.  c  o m*/

        if (this.getResponse() != null) {

            msg = "Response [" + Util.asHex(resp.getBytes()) + "] from card differs from expected response ["
                    + Util.asHexMask(this.getResponse()) + "].";

        } else {
            msg = "Response [" + Util.asHex(resp.getBytes()) + "] from card does not signify success.";
        }

        if (this.isCheckResponse())
            throw new CardException(msg);
        else
            log.warn(msg);
    }

    return this.next;
}

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From source file:org.opensc.pkcs15.script.SimpleCommand.java

@Override
public Command execute(CardChannel channel) throws CardException {

    log.debug("Tranmitting APDU [" + Util.asHex(this.getRequest().getBytes()) + "].");

    ResponseAPDU resp = channel.transmit(this.getRequest());

    log.debug("Got response [" + Util.asHex(resp.getBytes()) + "].");

    return this.checkResponse(resp);
}

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