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aka SEM works by repurpusing one of the physical address bits as a marker for whether memory acccess is plaintext or encrypted. no key management necessary, is all done transparently by the on chip mem controller.

aka SEM works by repurpusing one of the physical address bits as a marker for whether memory acccess is plaintext or encrypted. no key management necessary, is all done transparently by the on chip mem controller. See https://www.amd.com/system/files/TechDocs/24593.pdf, page 275 (or on-page page number 220), chapter 7.10. For the cpuid stuff see https://www.amd.com/system/files/TechDocs/24594.pdf, page 671, chapter E.4.17.

aka SEM works by repurpusing one of the physical address bits as a marker for whether memory acccess is plaintext or encrypted. no key management necessary, is all done transparently by the on chip mem controller. See https://www.amd.com/system/files/TechDocs/24593.pdf, page 275 (or on-page page number 220), chapter 7.10. For the cpuid stuff see https://www.amd.com/system/files/TechDocs/24594.pdf, page 671, chapter E.4.17.