diff -r 1c485b79de81 -r d7698e6c5f51 jdk/src/windows/classes/sun/security/mscapi/RSASignature.java
--- a/jdk/src/windows/classes/sun/security/mscapi/RSASignature.java	Wed Jan 11 08:14:47 2012 -0800
+++ b/jdk/src/windows/classes/sun/security/mscapi/RSASignature.java	Thu Jan 12 03:39:37 2012 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2012, 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
@@ -290,7 +290,7 @@
 
         // Check against the local and global values to make sure
         // the sizes are ok.  Round up to nearest byte.
-        RSAKeyFactory.checkKeyLengths(((privateKey.bitLength() + 7) & ~7),
+        RSAKeyFactory.checkKeyLengths(((privateKey.length() + 7) & ~7),
             null, RSAKeyPairGenerator.KEY_SIZE_MIN,
             RSAKeyPairGenerator.KEY_SIZE_MAX);