On Sat, Sep 22, 2012, at 14:13, Arno Wagner wrote: > It depends. For plain dm-crypt with a compromised passphrase, > do secure delete for a HDD. For LUKS with a compromised passphrase, > overwrite the header and key-slot area once for a HDD. For > LUKS with a compromised master key, same as for plain dm-crypt. > > For SSD, do secure unit erase (ATA command), overwrite and > physical destruction. I meant if I am on full disk encryption if it's worth the extra CPU clocks to do a safe erase of certain files, given the data is already random looking from the outside. It wasn't about the whole drive. _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt