Entropy collection in sshd (was Re: Entropy and DSA key)

Darren J Moffat Darren.Moffat at eng.sun.com
Wed Nov 7 05:43:23 EST 2001


Ed Phillips wrote:

> 
> No difference?  Between "internal" entropy collection and /dev/urandom?
> I'm not following...


What I meant was that there was no performance difference when using
/dev/urandom directly verses via arc4random.  NOT internal gathering
verses /dev/urandom.  I was trying to saying that the pool held by
arc4random didn't seem to by me anything.

> By the way, can you direct me to distributions of /dev/urandom for Sol2.3,
> Sol2.5, Sol2.5.1, Sol2.6, Sol7 and Sol8?


I can't point you to a Sun supported Solution but there is:

http://www.cosy.sbg.ac.at/~andi/


> I'd gladly switch to /dev/urandom if all of our Sun systems could run
> it... especially the Sol2.3 IPCs that we still have hanging around in
> production... ;-)


You do realise that there will never be security patches for 2.3 so I
strongly suggest you upgrade if you care about securtiy on those
machines.

--
Darren J Moffat




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