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On Wed, Aug 09, 2006 at 05:41:55AM -0500, Nikolas Britton wrote:
> # ifconfig | sha256
> cbcc2f55a340c248af7e8a10871150d827af11d7051bbc782eefa04b0603248b
> # ifconfig | sha1
> b607b9d45e6ad40c02ab20800e0d70245ab6db68
> # ifconfig | md5
> 22a2a3eca61166fb113f1a688b3dd842
> # ifconfig | cksum
> 3977021799 540
> 
> The only down side is it still can be faked, just like everything else.
IP from which connection is made cannot be  faked, at least I dont know
how to fake it. So there is at least one "unfakable" part of key. But
there is no real need to keep real IP in database, for privacy reasons
it is better to keep one-way hash in database.