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Re: OMG! Think I did something stupid with dmcrypt



On Fri, Feb 15, 2008 at 09:35:18PM +0100, Andrew Henry wrote:
> Andrew Sackville-West wrote:
> > I'm confused. Can you not just enter the passphrase for the encrypted
> > volume and unlock it? Or is there something I'm missing here that
> > likely applies to my own encrypted system...
> >
> > I thought that if you had a passphrase key in one of the luks slots
> > then that's all you need to unlock the partition. There are no _other_
> > keys needed. 
> >
> > maybe I'm wrong.
> >
> > A
> >   
> that's what I thought!  Maybe I misunderstood?  I thought I could plug
> in my external USB drive into another PC and as long as I had the
> passphrase I could mount it, but I tried it and Gnome did ask for the
> passphrase but the volume did not mount.  I have not investigated why
> yet, but my first thought was that I had done something incredibly
> stupid by formatting the host PC, and that's when I mailed the list.

get annoying gnome out of the way and try it from the cli.

cryptsetup luksOpen /dev/path/to/usb/device crypt-usb

enter passphrase

mount /dev/mapper/crypt-usb /mnt/temp

and see what happens

A

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