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UEFI Secure Boot in U-Boot
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- 1 Intro
- 2 UEFI is a set of standards for firmware
- 3 UEFI simplifies development and deployment of embedded Linux systems
- 4 UEFI defines an executable format and API for pre-boot applications
- 5 UEFI also defines an API for runtime services
- 6 U-Boot UEFI is in active development and maturing fast
- 7 UEFI Secure Boot is an extension that verifies application code is signed before execution
- 8 UEFI Secure Boot adds concept of secure variables
- 9 UEFI Variable semantics don't match U-Boot's
- 10 Vast majority of Secure Boat can be implemented in U-Boot proper
- 11 Unless you care about rollback protection
- 12 Proposed A Archó secure variable architecture using Trusted Firmware and OP-TEE
- 13 Questions?
