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Re: cryptoloop as user?



On Mon, Dec 09, 2002 at 07:15:08PM +0100, ernst wrote:
> Hi
> 
> I'm useing cryptoloop to protect my data on a ibmx20 laptop. Im running
> 2.4.19 kernel with the cryptoloop and cryptoapi modules innstalled.
> 
> As root, I have created a file with dd, used blowfish as cipher and
> mounted it trough loop0, so far so good.
> 
> But I am wondering if there is an easyer way to du this, I would like to
> do this in bootup, as user.
> 
> The way I'm doint it now is (as root):
> losetup -e blowfish -k 128 /dev/loop0 /usr/tmp/my_crypt_file
> mount /dev/loop0 /home/ernst/mnt/my_crypt_file
> chown -R ernst:users /home/ernst/mnt/crypt
> 
> Then I'm there, I can work on my docs as a user, but I'm wondering if
> there is an easyer way of soing it?
> 
> To release this again I'm doing :
> umount /dev/loop0
> losetup -d /dev/loop0

There isn't really any way to delegate this sort of authority under
Linux at the moment, but you can work around it.  I have a similar
script that I manually run when I want access to my encrypted
filesystem, but I use 'sudo' to eliminate the need to be root.

-rob

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