Re: DES encryption in loop device (kernel 2.2.1)

H. Peter Anvin (hpa@transmeta.com)
31 Jan 1999 02:24:18 GMT

Followup to: <XFMail.990130193525.rdicaire@vic.com>
By author: rdicaire@vic.com
In newsgroup: linux.dev.kernel
>
> In trying to DES encrypt a loop mounted ext2 file system, I get the
> following errors:
>
> losetup -e des /dev/loop4 MYFILE3
> Password: xxxxxxxxxxxxxxx
> Init (up to 16 hex digits): xxxxxxxxxxxxx
> ioctl: LOOP_SET_STATUS: Invalid argument
>
> Using XOR works but we all know XOR isn't secure. Is there a patch
> to fix this?
>

Have you included the international kernel patch from kerneli.org?
Otherwise, you're getting a crypto-less kernel.

-hpa

-- 
"Linux is a very complete and sophisticated operating system.  There
are, and will be, large numbers of applications available for it."
    -- Paul Maritz, Group Vice President for Platforms And Applications,
       Microsoft Corporation [Reference at: http://www.kernel.org/~hpa/ms.html]


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