Subject: Re: insufficient entropy for rnd
To: None <tech-crypto@netbsd.org>
From: Peter Hendrickson <pdh@wiredyne.com>
List: tech-crypto
Date: 08/20/2003 21:23:43
Rumi Szabolcs wrote:
> When a mail gets relayed in such an authenticated manner, sendmail
> often drops the connection with a timeout during the authentication
> process which I believe is due to insufficient randomness coming out
> of /dev/random so that read is blocking so long that the SMTP
> connection gets timed out.

I have some code which implements an entropy monitoring daemon.  When
your entropy pool runs low, it frobs the disk until the level is
restored: http://www.wiredyne.com/software/bitstir.html

Peter