Re: knfsd and system crashes

H. Peter Anvin (hpa@transmeta.com)
26 Nov 1997 03:24:54 GMT

Followup to: <m0xaV0b-0005FCC@lightning.swansea.linux.org.uk>
By author: alan@lxorguk.ukuu.org.uk (Alan Cox)
In newsgroup: linux.dev.kernel
>
> > This would seem to indicate i_version is a critical secret,
> > perhaps something that should be generated from /dev/urandom
> > and updated in a similar manner instead of the ++ in use now.
>
> Modern BSD systems use a host specific secret to perturb the handle
>

I think the way to do this is to take an MD5 or SHA-1 of the relevant
information plus a secret and make it a part of the file handle.

-hpa

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