diff -r 3b7fae360d04 -r 8a448b5b9006 jdk/src/share/classes/sun/security/provider/SHA5.java
--- a/jdk/src/share/classes/sun/security/provider/SHA5.java	Tue May 08 11:16:36 2012 -0700
+++ b/jdk/src/share/classes/sun/security/provider/SHA5.java	Tue May 08 17:57:48 2012 -0700
@@ -82,10 +82,10 @@
     };
 
     // buffer used by implCompress()
-    private final long[] W;
+    private long[] W;
 
     // state of this object
-    private final long[] state;
+    private long[] state;
 
     // initial state value. different between SHA-384 and SHA-512
     private final long[] initialHashes;
@@ -101,16 +101,6 @@
         implReset();
     }
 
-    /**
-     * Creates a SHA object with state (for cloning)
-     */
-    SHA5(SHA5 base) {
-        super(base);
-        this.initialHashes = base.initialHashes;
-        this.state = base.state.clone();
-        this.W = new long[80];
-    }
-
     final void implReset() {
         System.arraycopy(initialHashes, 0, state, 0, state.length);
     }
@@ -255,6 +245,13 @@
         state[7] += h;
     }
 
+    public Object clone() throws CloneNotSupportedException {
+        SHA5 copy = (SHA5) super.clone();
+        copy.state = copy.state.clone();
+        copy.W = new long[80];
+        return copy;
+    }
+
     /**
      * SHA-512 implementation class.
      */
@@ -270,14 +267,6 @@
         public SHA512() {
             super("SHA-512", 64, INITIAL_HASHES);
         }
-
-        private SHA512(SHA512 base) {
-            super(base);
-        }
-
-        public Object clone() {
-            return new SHA512(this);
-        }
     }
 
     /**
@@ -295,14 +284,5 @@
         public SHA384() {
             super("SHA-384", 48, INITIAL_HASHES);
         }
-
-        private SHA384(SHA384 base) {
-            super(base);
-        }
-
-        public Object clone() {
-            return new SHA384(this);
-        }
     }
-
 }