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Subject: Re: disks with hardware FDE
FYI. Perry E. Metzger wrote: > Dries Schellekens <dries.schellekens@esat.kuleuven.be> writes: >> Perry E. Metzger wrote: >> >>> Has anyone had any real-world experience with these yet? Are there >>> standards for how they get the keys from the BIOS or OS? (I'm >>> interested in how they deal with zeroization on sleep and such.) >> Most manufacturer (will) implement the TCG Storage Specification: >> https://www.trustedcomputinggroup.org/groups/storage/ >> >>> Lastly, anyone have any idea of whether the manufacturers are doing >>> the encryption correctly or not? >> I know that Seagate Secure does not use XTS mode, but something CBC based. > > Where do they get their IVs from? > > In general, I feel like the only way to really verify that these > things are being done correctly is to be able (in software) to read > the ciphertext and verify that it is encrypted with the right key in > the right mode. The small amount I've heard about the design leads me > to worry that this is not actually possible. >
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