src/jdk.crypto.ec/share/classes/sun/security/ec/ECDSASignature.java

*** 1,7 ****
  /*
!  * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 425,442 ****
--- 425,455 ----
      protected void engineSetParameter(String param, Object value)
              throws InvalidParameterException {
          throw new UnsupportedOperationException("setParameter() not supported");
      }
  
+     @Override
+     protected void engineSetParameter(AlgorithmParameterSpec params)
+             throws InvalidAlgorithmParameterException {
+         if (params != null) {
+             throw new InvalidAlgorithmParameterException("No parameter accepted");
+         }
+     }
+ 
      // get parameter, not supported. See JCA doc
      @Override
      @Deprecated
      protected Object engineGetParameter(String param)
              throws InvalidParameterException {
          throw new UnsupportedOperationException("getParameter() not supported");
      }
  
+     @Override
+     protected AlgorithmParameters engineGetParameters() {
+         return null;
+     }
+ 
      // Convert the concatenation of R and S into their DER encoding
      private byte[] encodeSignature(byte[] signature) throws SignatureException {
  
          try {