Yes, us 'born again Christians' have a tendency to 'bible thump' on the sins of SU insecurity.
That being said, a search on the keys SU and encrypt may reveal some suggestions.
There are ways using KiXCrypt or Secure21 to ubfuscate the SU password.
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Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.
