With the dmcrypt target, the device just looks like random data, even the swap signature is encrypted. And you don't have the key since it's randomly generated and the device re-encrypted at every boot.
Adam Sulmicki <[EMAIL PROTECTED]> wrote: > > I just assumed your encrypted filesytem indentify itself as swap file. > Thus the first test returns true for presence of swap, and the other > returns false for name other than 'swap'. Upon forther thought in my > case it would be better to use it with '-w' option. > > But it seems kind of meaningless seeing how 'file' identify your partion > as 'data' and not 'swap'. > > On Sun, 1 Apr 2007, Judah Milgram wrote: > > > PS - what's swapx? > > > > Adam Sulmicki <[EMAIL PROTECTED]> wrote: > > > >> and silver plated answer is : > >> > >> # file -s /dev/hda2 | grep -iq swap ; echo $? > >> 0 > >> # file -s /dev/hda2 | grep -iq swapx ; echo $? > >> 1 > >> > >> > >> > >> -- > >> Adam Sulmicki > >> http://www.eax.com The Supreme Headquarters of the 32 bit registers > >> > > > > > -- > Adam Sulmicki > http://www.eax.com The Supreme Headquarters of the 32 bit registers >
