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Drive Encryption Defeated -- or not
At a talk I attended recently, a Seagate researcher said that Seagate is now manufacturing drives that feature Full Disk Encryption -- their FDE line of drives. His expectation is that within the next few years all drives will offer this technology, since the capability to do so will already be built into the ASIC that services all the other drive requirements.
A member of the audience asked "What about cryogenic attacks", which I interpreted to be this type of "freeze the RAM and snoop around" attack, but instead the answer he gave was along the lines of "Well yes, by feeding known bit patterns into the drive and watching the thermal radiation it is possible to get some hint as to the key, but it's not a practical attack at this point." An unexpected and interesting response.
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