--- a/src/java.base/share/classes/sun/security/util/ECUtil.java	Thu Jul 11 12:13:52 2019 -0700
+++ b/src/java.base/share/classes/sun/security/util/ECUtil.java	Thu Jul 11 20:11:47 2019 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2019, 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
@@ -32,7 +32,7 @@
 import java.security.spec.*;
 import java.util.Arrays;
 
-public class ECUtil {
+public final class ECUtil {
 
     // Used by SunPKCS11 and SunJSSE.
     public static ECPoint decodePoint(byte[] data, EllipticCurve curve)
@@ -220,6 +220,21 @@
         return nameSpec.getName();
     }
 
+    public static boolean equals(ECParameterSpec spec1, ECParameterSpec spec2) {
+        if (spec1 == spec2) {
+            return true;
+        }
+
+        if (spec1 == null || spec2 == null) {
+            return false;
+        }
+        return (spec1.getCofactor() == spec2.getCofactor() &&
+                spec1.getOrder().equals(spec2.getOrder()) &&
+                spec1.getCurve().equals(spec2.getCurve()) &&
+                spec1.getGenerator().equals(spec2.getGenerator()));
+    }
+
+
     // Convert the concatenation R and S in into their DER encoding
     public static byte[] encodeSignature(byte[] signature) throws SignatureException {