--- old/src/java.base/share/classes/java/security/interfaces/RSAKey.java	2018-05-11 15:03:42.023669200 -0700
+++ new/src/java.base/share/classes/java/security/interfaces/RSAKey.java	2018-05-11 15:03:41.491392500 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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
@@ -26,9 +26,12 @@
 package java.security.interfaces;
 
 import java.math.BigInteger;
+import java.security.spec.AlgorithmParameterSpec;
 
 /**
- * The interface to an RSA public or private key.
+ * The interface to a public or private key in
+ * <a href="https://tools.ietf.org/rfc/rfc8017.txt">PKCS#1 v2.2</a> standard,
+ * such as those for RSA, or RSASSA-PSS algorithms.
  *
  * @author Jan Luehe
  *
@@ -46,4 +49,20 @@
      * @return the modulus
      */
     public BigInteger getModulus();
+
+    /**
+     * Returns the parameters associated with this key.
+     * The parameters are optional and may be either
+     * explicitly specified or implicitly created during
+     * key pair generation.
+     *
+     * @implSpec
+     * The default implementation returns {@code null}.
+     *
+     * @return the associated parameters, may be null
+     * @since 11
+     */
+    default AlgorithmParameterSpec getParams() {
+        return null;
+    }
 }