[talk] FreeBSD RNG issue on -current only

Isaac (.ike) Levy ike at blackskyresearch.net
Tue Feb 17 17:55:07 EST 2015


On February 17, 2015 03:12:24 pm EST, "George Rosamond" 
<george at ceetonetechnology.com> wrote:

> Mark Saad:
>>
>>
>> On 02/17/15 13:28, Brian Callahan wrote:
>>> Just in case anyone is running a recent FreeBSD -current:
>>> https://lists.freebsd.org/pipermail/freebsd-current/2015-February/054581.html
>>
>> They also had to create keys in that said version. This also doesn't not
>> effect any release.
>
> Yes, it's current and all, and that should be made clear, but
> nevertheless it's disturbing.
>
> Isn't there some automated way to check and recheck entropy from output,
> instead of solely relying on the code?  Obviously, it couldn't find
> highly unlikely collisions, etc., but at least discover the most ugly
> instances?  Yes.. probably would require a lot of CPU...
>
> g

I'm by no means an authority- but wouldn't testing using a tool like 
ent(8) do the job, crudely even?

http://www.fourmilab.ch/random/

Best,
.ike





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