Messages in this thread | | | Date | Fri, 13 Oct 2000 04:28:30 +0200 | From | Andi Kleen <> | Subject | Re: A patch to loop.c for better cryption support |
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On Fri, Oct 13, 2000 at 04:19:49AM +0000, Ingo Rohloff wrote: > Hi again, > > Marc Mutz wrote: > > > > The loop device supports different IVs; > > > the IVs are initilized with the requested block > > > number. > > > > I believe a better way is to use the requested > > > sector number from CURRENT->sector. > > > Using this value should make the encryption and decryption > > > process completely independent from the underlying device. > > > Two times no. > > > > First: This breaks backward-compatibility. > Right, (I mentioned this), but the backward-compatible > way means:
2.4 has already broken backwards compatibility to 2.2 (IV changed from disk absolute to relative). When you change it now (before 2.4.0) it is relatively painless. I think the change is a good idea.
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