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MacBook hardware encryption?

Under Hardware Security Features in the iOS_Security_May12 white paper by apple, it says "Every iOS device has a dedicated AES 256 crypto engine built into the DMA path between the flash storage and main system memory, ... ," and "Along with the AES engine, SHA-1 is implemented in hardware, further reducing cryptographic operation overhead." The white paper goes into detailed information compared to other Apple papers, and the provided security information is very impressive to this retired engineer (with experience implementing cryptographic systems for our government).


Now to the question posed in the title: Does anyone have first-hand knowledge as to whether Apple implemented a "dedicated AES cyptographic engine" between DMA and flash storage on the MacBook Retina Pro and/or MacBook Air?


Has anyone found such references to support that they use such a sophistocated design in the new flash memory MacBooks?


I'd like to purchase a fully loaded MacBook Pro Retina if they do. If I can't out the answer to this question (or hardware is not implemented), I've decided to stick with a magnetic drive that can be wiped.

Posted on Aug 15, 2012 12:38 PM

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14 replies

Aug 15, 2012 3:05 PM in response to rvrider

Perhaps I did not stipulate that I'm aware of full or partial memory encryption schemes, such as Firevault and (already in use on my two older Macs). However well done software keys are done, embedding and hiding crypto keys in the hardware as Apple has done in their iOS devices is more robust in my experience.


If I'm going to pay $5k for a premium 15" Retina MacBook, I'd like at least the same, if not better, security than my iPad and iPhone. Too bad Apple doesn't already disclose this Information, but I'm hoping an astute Apple engineer will weigh in on this discussion.

Aug 15, 2012 3:27 PM in response to rvrider

I don't believe the Macs have any such device since that would automatically require a warning label about ITAR restrictions and a do-not-ship-to country list, none of which have been apparent any time you purchase, either at the brick & mortar dealer or online.


I'm in Mexico, a cryptographic gray area. We're in NAFTA, but not quite yet trusted by you guys.

MacBook hardware encryption?

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