• Subject: Re: AS/400 entropy source
  • From: "Leif Svalgaard" <leif@xxxxxxxx>
  • Date: Wed, 29 Nov 2000 15:16:17 -0600

> I'm looking for salt values from which to generate seeds for random key
> generation. To date I've used a TMcC proprietary method that grabs
> various pieces of pseudo random data from the system/job and mixes it up
> depending on the current lunar phase :). This works fine but a
> discussion on another mailing list regarding sources of entropy under
> Win98 had me thinking that perhaps someone out there had a more measured
> method. 

xor-ing various parts of a Universal Unique Identifier (UUID) would seem to
a measured and sanctioned method as it is guaranteed that this 128 bit
value will be globally unique.



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