[Cryptography] Dieharder & symmetric cryptosystems

Michael Kjörling michael at kjorling.se
Fri Jan 17 04:36:43 EST 2020


On 16 Jan 2020 18:05 +0100, from michel.arboi at gmail.com (Michel Arboi):
> In May 2019, I noticed strange results of the Dieharder statistical test
> suite with Linux /dev/urandom
> Very often, dieharder reported inconclusive "WEAK" results on some tests,
> even when running "dieharder -a -g 501 -k 2 -Y 1", which looks suspicious
> (-Y 1 = "resolve ambiguity" mode)
> (WEAK is inconclusive, FAIL reports a real weakness.See the thread "
> Dieharder & /dev/urandom" on this ML, starting from 2019-05-14)

Which _exact_ version of the Linux kernel are you running? At a
minimum: Upstream version as reported by uname, distribution,
distribution release, and distribution kernel package variant and
version?

-- 
Michael Kjörling • https://michael.kjorling.semichael at kjorling.se
 “Remember when, on the Internet, nobody cared that you were a dog?”



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