sev
https://developer.amd.com/sev/
linux kvm_sev:
https://www.kernel.org/doc/html/latest/virt/kvm/amd-memory-encryption.html
https://developer.amd.com/sev/#:~:text=White%20Papers%20%26%20Specifications%20%20%20%20Document,%20March%202021%20%204%20more%20rows%20