/*
 * 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.util.Arrays;

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

import at.gv.egiz.smcc.CardChannelEmul;


public class A04ApplSIG extends ACOSApplSIG {
  
  @Override
  public ResponseAPDU cmdMANAGE_SECURITY_ENVIRONMENT(CommandAPDU command, CardChannelEmul channel) {

    checkINS(command, 0x22);

    switch (command.getP2()) {
    case 0xA4:
      switch (command.getP1()) {
      case 0x41:
        // INTERNAL AUTHENTICATE
      case 0x81:
        // EXTERNAL AUTHENTICATE
      }
    case 0xB6:
      switch (command.getP1()) {
      case 0x41: {
        // PSO - COMPUTE DIGITAL SIGNATURE
        byte[] dst = new byte[] { (byte) 0x84, (byte) 0x01, (byte) 0x88, (byte) 0x80, (byte) 0x01, (byte) 0x14 };
        if (Arrays.equals(dst, command.getData())) {
          securityEnv = command.getData();
          return new ResponseAPDU(new byte[] {(byte) 0x90, (byte) 0x00});
        } else {
          return new ResponseAPDU(new byte[] {(byte) 0x6F, (byte) 0x05});
        }
      }
      case 0x81:
        // PSO - VERIFY DGITAL SIGNATURE
      }
    case 0xB8:
      switch (command.getP1()) {
      case 0x41:
        // PSO - DECIPHER
      case 0x81:
        // PSO - ENCIPHER
      }
    default:
      return new ResponseAPDU(new byte[] {(byte) 0x6A, (byte) 0x81});
    }

  }
  
  
}