FileInputStream fin = new FileInputStream("point.des");
ObjectInputStream oin = new ObjectInputStream(fin);
// Create a key.
byte[] desKeyData = {(byte) 0x90, (byte) 0x67, (byte) 0x3E, (byte) 0xE6,
(byte) 0x42, (byte) 0x15, (byte) 0x7A, (byte) 0xA3 };
DESKeySpec desKeySpec = new DESKeySpec(desKeyData);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey desKey = keyFactory.generateSecret(desKeySpec);
SealedObject so = (SealedObject) oin.readObject();
Point p = (Point) so.getObject(desKey);
System.out.println(p);
oin.close();
