Re: [PLUG] /proc/crypto/cipher

Jeff Abrahamson on 4 Feb 2006 15:04:05 -0000


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Re: [PLUG] /proc/crypto/cipher


On Sat, Feb 04, 2006 at 08:39:58AM -0500, Brian Epstein wrote:
> [90 lines, 430 words, 3081 characters] Top characters: eotainrs
> 
> On Thu, 2 Feb 2006, Greg Lopp wrote:
> 
> > I have an installer that appears to mount a crypto'd loopback
> > image. It asks me for a password and then, according to strace,
> > tries to access /proc/crypto/cipher.
> 
> What kernel are you running on? I think /proc/crypto/cipher has
> been replaced in later versions of the kernel. Here is the process
> I use to mount an encrypted loopback image.
Hmm, very cool.
I remember reading somewhere that it should, in principle, be possible
to export such a file system with the encryption happening on the
client. The doc I read said it would be supported RSN, but that was a
few years ago. Has anyone gotten that working here?
That would be very nice for all manner of things if I could mount
something that is garbage on the server but meaningful on the client.
In particular, it is one solution to remote backup to untrusted
servers.
-- 
 Jeff
 Jeff Abrahamson <http://www.purple.com/jeff/> +1 215/837-2287
 GPG fingerprint: 1A1A BA95 D082 A558 A276 63C6 16BF 8C4C 0D1D AE4B

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