How to Build a Confidential Attestation Client

Explore the intricacies of building a secure and effective confidential attestation client in this 17-minute conference talk from the Linux Plumbers Conference. Delve into the subtle factors that can compromise security and usability when implementing a client within a confidential guest. Examine potential issues across various confidential projects and learn strategies for their resolution. Discover provocative examples and innovative proposals, including an introduction to evidence factory attacks and their severe implications for entire services or deployments. Gain insights on designing attestation clients that support privilege separation within a single guest, best practices for populating guest data in attestation reports, and providing additional information to relying parties. Address challenges in orchestration, particularly focusing on connectivity solutions for attestation clients in minimal environments. Engage in a group discussion on open questions surrounding the development of secure, performant, generic, and user-friendly attestation systems, emphasizing the critical role of thoughtful guest implementation in standardized attestation flows.