[cryptography] urandom vs random

David Johnston dj at deadhat.com
Mon Sep 9 01:18:18 EDT 2013


On 8/20/2013 2:33 PM, grarpamp wrote:
> The subject thread is covering a lot about OS implementations
> and RNG various sources. But what are the short list of open
> source tools we should be using to actually test and evaluate
> the resulting number streams?
> _______________________________________________
>

I like the Markov-Renye test described in the current SP800-90B draft. 
It handles biased, correlated, non stationary data conservatively and 
gives you a min-entropy estimate.



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