urandom vs haveged

Przemek Klosowski przemek.klosowski at nist.gov
Fri Mar 30 19:01:57 UTC 2012


On 03/30/2012 01:02 PM, David Sommerseth wrote:
>
> That sounds reasonable.  Unless I mix /dev/random and /dev/urandom,
> the latter blocks until it has filled up the entropy pool again.
>
Eh, the FORMER (/dev/random) blocks until it has filled up the entropy 
pool again. I seem to remember that urandom is a PRNG seeded with data 
from /dev/random; it never blocks.



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