JavaCard OS

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Cipher cipherinstance = Cipher.getInstance(Cipher.ALG_DES_CBC_ISO9797_M2, false);
DESKey deskey = (DESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES, false);
deskey.setKey(KEY_8_BYTES, (short)0);
outlength = cipherinstance.doFinal(temp, (short)0, (short)temp.length, res, (short)0);

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package testDES;

import javacard.framework.*;
import javacard.security.*;
import javacardx.crypto.*;

public class testDES extends Applet
{
   private Signature signatureInstance;
   private Cipher cipherInstance;
   private DESKey desKey;
   private byte[] tempBuf;
   
   public testDES() {
      signatureInstance = Signature.getInstance(Signature.ALG_DES_MAC8_ISO9797_M1, false);
      cipherInstance = Cipher.getInstance(Cipher.ALG_DES_CBC_ISO9797_M1, false);
      desKey = (DESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES3_2KEY, false);
      tempBuf = JCSystem.makeTransientByteArray((short) 0x100, JCSystem.CLEAR_ON_DESELECT);
   }
   
   public static void install(byte[] bArray, short bOffset, byte bLength) 
   {
      new testDES().register(bArray, (short) (bOffset + 1), bArray[bOffset]);
   }

   public void process(APDU apdu)
   {
      if (selectingApplet())
      {
         return;
      }

      byte[] buf = apdu.getBuffer();
      switch (buf[ISO7816.OFFSET_INS])
      {
      case (byte)0x00:
         desKey.setKey(buf, ISO7816.OFFSET_CDATA);
         break;
      case (byte)0x01:
         signatureInstance.init(desKey, Signature.MODE_SIGN);
         short signatureLength = signatureInstance.sign(buf, ISO7816.OFFSET_CDATA, Util.makeShort((byte) 0, buf[ISO7816.OFFSET_LC]), tempBuf, (short) 0);
         apdu.setOutgoing();
         apdu.setOutgoingLength(signatureLength);
         apdu.sendBytesLong(tempBuf, (short) 0, signatureLength);
         break;
      case (byte)0x02:
         cipherInstance.init(desKey, Cipher.MODE_ENCRYPT);
         short resultLength = cipherInstance.doFinal(buf, ISO7816.OFFSET_CDATA, Util.makeShort((byte) 0, buf[ISO7816.OFFSET_LC]), tempBuf, (short) 0);
         apdu.setOutgoing();
         apdu.setOutgoingLength(resultLength);
         apdu.sendBytesLong(tempBuf, (short) 0, resultLength);
         break;
      default:
         ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
      }
   }

}

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00A40400 06 112233445500;
00000000 10 000102030405060708090A0B0C0D0E0F;
00010000 01 00;
00020000 01 00;
00010000 10 000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F;
00020000 10 000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F;
00010000 20 000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F;
00020000 20 000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F;