[CentOS] self-encrypting drives
Paul Heinlein
heinlein at madboa.comSun Sep 23 15:12:05 UTC 2012
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On Sun, 23 Sep 2012, Leonard den Ottolander wrote: > As the interface for encrypting and locking an SED appears to be the > same as for locking a normal drive using the security commands from > hdparm should in theory work. This is assuming the BIOS pads > passwords that are smaller than 32 bytes the same way as hdparm > does, which is with NUL bytes. > > Hdparm currently only accepts passwords as strings, so if the BIOS > uses binary/hex strings for the password it could be problematic to > unlock the same drive with hdparm. It should be quite simple to > patch hdparm to accept hex strings as passwords though. > > I have used drive (un)locking with hdparm on USB drives so > (un)locking an external SED should be possible. Interesting. I'd never investigated hdparm as a drive-password interface. I'll certainly keep that in mind. -- Paul Heinlein <> heinlein at madboa.com <> http://www.madboa.com/
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