diff -r 3c7eda3ab2f5 -r 0bb1999251f8 jdk/src/share/classes/com/sun/crypto/provider/PCBC.java
--- a/jdk/src/share/classes/com/sun/crypto/provider/PCBC.java	Mon Aug 15 12:56:01 2011 -0700
+++ b/jdk/src/share/classes/com/sun/crypto/provider/PCBC.java	Mon Aug 15 11:48:20 2011 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, 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
@@ -145,7 +145,7 @@
         for (; plainOffset < endIndex;
              plainOffset += blockSize, cipherOffset += blockSize) {
             for (i=0; i<blockSize; i++) {
-                k[i] ^= (byte)(plain[i+plainOffset]);
+                k[i] ^= plain[i+plainOffset];
             }
             embeddedCipher.encryptBlock(k, 0, cipher, cipherOffset);
             for (i = 0; i < blockSize; i++) {