Future Intel CPUs to offer full memory encryption

Posted on Wednesday, Feb 26 2020 @ 22:16 CET by Thomas De Maesschalck
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ARS Technica reports Intel is planning to catch up with AMD by adding full memory encryption support on its future processors. Intel's Anil Rao and Scott Woodgate talked about the subject at Intel's Security Day event on Tuesday. The site says what Intel is planning to implement sounds similar to the SME (Secure Memory Encryption) and SEV (Secure Encrypted Virtualization) features that are found on AMD's current EPYC server processors. At least in the case of AMD's processors, these technologies have a negligible performance impact.
For the moment, Software Guard Extensions are the only Intel offering available. But after discussing real-world use of SGX, Rao moved on to future Intel technologies—specifically, full-memory encryption. Intel refers to its version of full-memory encryption as TME (Total Memory Encryption) or MKTME (Multi-Key Total Memory Encryption). Unfortunately, those features are vaporware for the moment. Although Intel submitted an enormous Linux kernel patchset last May for enabling those features, there are still no real-world processors that offer them.
Intel teases full memory encryptiokn

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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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