Re: svn commit: r239569 - head/etc/rc.d

Ben Laurie writes:
> > Reseeds are expensive in kernel space; locking/unlocking and thread
> > consumption are the issue. Right now, this is mitigated by reseeding
> > at 10Hz. To allow reseeds to overwhelm the running kernel by pumping
> > data into /dev/random is would be very silly indeed, and I'm not
> > going to let that happen.
>
> I'm curious what the comparative cost of
>
> cat /dev/zero > /dev/null
>
> is?
>
> Or,
>
> cat /dev/zero > somefile

10+ years ago, on a different continent, I had this data. 1 burglary
and one intercontinental relocation later, and I don't have it any
more. Recreating is something I'll likely get to, but DHYB.

M
--
Mark R V Murray
Pi: 132511160

_______________________________________________
freebsd-security@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-security
To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org"