diff -r bb63e4d4b1de -r eccef47ec254 jdk/src/share/classes/sun/security/pkcs11/P11SecureRandom.java
--- a/jdk/src/share/classes/sun/security/pkcs11/P11SecureRandom.java	Thu Mar 18 17:32:45 2010 -0700
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11SecureRandom.java	Thu Mar 18 17:56:39 2010 -0700
@@ -188,4 +188,13 @@
             token.releaseSession(session);
         }
     }
+
+    private void readObject(ObjectInputStream in)
+            throws IOException, ClassNotFoundException {
+        in.defaultReadObject();
+        // assign default values to non-null transient fields
+        iBuffer = new byte[IBUFFER_SIZE];
+        ibuffered = 0;
+        lastRead = 0L;
+    }
 }