/*
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */


package at.gv.egiz.smcc.acos;

import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.Iterator;

import javax.smartcardio.CardException;
import javax.smartcardio.CommandAPDU;
import javax.smartcardio.ResponseAPDU;

import at.gv.egiz.smcc.AbstractAppl;
import at.gv.egiz.smcc.CardAppl;
import at.gv.egiz.smcc.CardChannelEmul;
import at.gv.egiz.smcc.PIN;

public abstract class ACOSAppl extends AbstractAppl implements CardAppl {

  protected byte[] securityEnv;

  protected byte[] hash;

  @Override
  public ResponseAPDU cmdINTERNAL_AUTHENTICATE(CommandAPDU command, CardChannelEmul channel) throws CardException {
    return new ResponseAPDU(new byte[] {(byte) 0x6D, (byte) 0x00});
  }

  @Override
  public void leaveApplContext() {
    Iterator<PIN> pin = pins.values().iterator();
    while (pin.hasNext()) {
      pin.next().state = PIN.STATE_RESET;
    }
  }
  
  public void setPin(int kid, char[] value) {
    try {
      PIN pin = pins.get(kid);
      if (pin != null) {
        if (value == null) {
          Arrays.fill(pin.pin, (byte) 0x00);
          pin.state = PIN.STATE_PIN_BLOCKED;
        } else {
          int l = pin.pin.length;
          pin.pin = Arrays.copyOf(new String(value).getBytes("ASCII"), l);
        }
      }
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e);
    }
  }

}