Re: [RFC] i_generation numbers.

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 21 Sep 1999 12:57:19 +0100 (BST)


> Olaf Kirch wrote:
> > You can't produce good random numbers fast, which is what fsirand
> > would have to.
>
> I recall the Mersenne Twister is fast and thought to be very good.

To protect against NFS attacks you need to produce good and secure random
numbers, which is even harder. What you should do of course is forget the
whole NFS security through silly hacks game. MD5 is exportable and ANK
wrote MD5 signed RPC code for userspace.

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