protected byte[] engineGetEncoded(String encodingMethod) throws IOException {
   return core.getEncoded();
 }
 protected String engineToString() {
   return core.toString();
 }
 protected byte[] engineGetEncoded() throws IOException {
   return core.getEncoded();
 }
 protected AlgorithmParameterSpec engineGetParameterSpec(Class paramSpec)
     throws InvalidParameterSpecException {
   return core.getParameterSpec(paramSpec);
 }
 protected void engineInit(byte[] encoded, String decodingMethod) throws IOException {
   core.init(encoded, decodingMethod);
 }
 protected void engineInit(byte[] encoded) throws IOException {
   core.init(encoded);
 }
 protected void engineInit(AlgorithmParameterSpec paramSpec) throws InvalidParameterSpecException {
   core.init(paramSpec);
 }