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Re: patches & Linux Encryption HOWTO
On Fri, Jan 05, 2001 at 10:18:08PM +0100, Christoph Hertel wrote:
> Hello everyone,
>
> I did not find a reference to the archive of this ML in the 'Linux
> Encryption HOWTO', so if I ask questions asked before consider my first
> suggestion and add a link/hint in section 1.4 "Mailing List".
>
> Now for my beginner's question: I have a Debian system running with the
> package util-linux 2.10q-1. The changelog.Debian.gz states for version
> 2.10d-5:
> * Included patch from "J.H.M. Dassen (Ray)" <jhm@cistron.nl>:
> - Restored enhanced losetup(8) manpage.
> - Restored encrypted filesystem support, by applying util-linux-2.9w from
> patch-int-2.2.13.3.gz as found on ftp.kerneli.org (modified to work with
> Debian's kernel-patch-int's crypto.h).
> (closes: #54657)
> Does this mean that I can skip section 4.2 "Patching the util-linux
> source" in the HOWTO? If yes, then please add a comment to the HOWTO.
> What is "Debian's kernel-patch-int's crypto.h"? Is there a special patch
> for Debian?
>
If you plan on using features (esp new ciphers) introduced in a patch
later than 2.2.13.3, you'll want to patch util-linux yourself.
Also, soon there will be changes in how losetup talks to the kernel
that hopefully should end the need to change util-linux whenever a
cipher is added to the kernel.
> Next Question: Kernel 2.2.14 is running very smoothly on my machine, I
> have a slow 33.6 modem and [etc.] -> I don't want to update my kernel to
> 2.2.18 (or whatever is out there, or even 2.4.0). May I use the 2.2.17.6
> crypto patch or do I have to use the 2.2.14.x? Yes, the HOWTO says "It
> should apply without rejects to all recent 2.2.1x kernels." But I'm
> afraid of messing things up.
>
You should be able to patch 2.2.14 with the 2.2.17.x patches. No
guarantees though.
astor
--
Alexander Kjeldaas Mail: astor@fast.no
finger astor@master.kernel.org for OpenPGP key.
Linux-crypto: cryptography in and on the Linux system
Archive: http://mail.nl.linux.org/linux-crypto/