lkml.org 
[lkml]   [1997]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: knfsd and system crashes
    Date
    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

    --
    PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74
    See http://www.zytor.com/~hpa/ for web page and full PGP public key
    I am Bahá'í -- ask me about it or see http://www.bahai.org/
    "To love another person is to see the face of God." -- Les Misérables

    \
     
     \ /
      Last update: 2005-03-22 13:40    [W:0.019 / U:186.964 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site