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Explore PCI device authentication and encryption mechanisms in this conference talk that revisits the previous year's discussion on PCIe device attestation. Examine whether the consensus to use netlink sockets for conveying device attestation information to user space remains valid and review the current device attestation workflow. Learn about the differences between CMA (Confidential Memory Access) and PCI/TSM (Trusted Security Module) scenarios, and discover the proposed approach to build an attestation workflow specifically designed for PCI/TSM environments. Understand how this new direction differs from the previous year's strategy of completing CMA implementation before extending to PCI/TSM, and evaluate what components can be reused across different attestation scenarios.
