All You Ever Wanted to Know about the AMD Platform Security Processor and Were Afraid to Emulate - Inside a Deeply Embedded Security Processor

Dive deep into the AMD Platform Security Processor (PSP) in this 55-minute Black Hat conference talk. Explore the embedded ARM core within Zen and later AMD CPUs responsible for initial system bootstrapping and serving as a trust anchor for features like Secure Encrypted Virtualization. Discover the PSP's full access to main memory and its operation prior to x86 core activation. Examine the proprietary firmware running on the PSP and the lack of public documentation. Learn about the generic TEE interface and pending Linux kernel patches. Join Robert Buhren and Alexander Eichner as they provide an in-depth look at this deeply embedded security processor, offering insights into its functionality and implications for system security.