Hello everyone, I noticed last week that the Debian packaged version of cryptsetup has a little limitation, which could be a security issue for people who have to destroy their data forever. It is impossible to destroy a keyslot when you used it to unlock the master key. I reported the bug to debian (etch and lenny are affected as far as I tested): http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513596 and to ubuntu (tested on hardy): https://bugs.launchpad.net/cryptsetup/+bug/324871 It's not a major security problem, but people who were planning to run 'cryptsetup luksDelKey /dev/sda1 0' on their installation when the police comes to wake them up should be adviced that it won't work out of the box. Cheers, Pierre Dinh-van
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