public int decode (byte[] SC) {  return 0; }
public byte[] decode(byte[] sc) { if(serverKey == null) throw new SecurityException("Cl de serveur non initialise");  byte[] code = new byte[sc.length]; crypt(sc, 0, sc.length, code, 0, serverKey);  return code; }
	public int decode (byte[] SC)	{		// TODO		return 0;			}