AMD Secure Encrypted Virtualization - FreeBSD Status?

From: grarpamp <>
Date: Thu, 3 Oct 2019 03:48:08 -0400

"AMD is also using its Secure Processor to enable a couple of key
features that we believe aren't getting enough attention: Secure
Memory Encryption and Secure Encrypted Virtualization. There's an
AES-128 engine inside Epyc's memory controller, with the keys managed
by the SEP. If SME is enabled in the system BIOS, all RAM in the
system will be encrypted using a single key provided by the SEP and
decrypted when requested by the CPU. Expanding upon SME, SEV allows
guests' allocated RAM to be encrypted with individual keys, separate
from the one used by the host operating system."
Received on Thu Oct 03 2019 - 05:48:12 UTC

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