canonical / canonical/secboot

WithSecureBootPolicyProfile should accommodate systems that support timestamp revocation

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#306 15 comments 13 reactions 1 assignee Claimed by @chrisccoulson View on GitHub
efi-pcr-profiles preinstall-checks
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Description

`WithSecureBootPolicyProfile` will generate an incorrect profile on systems that support timestamp revocation (ie, that have a `dbt` database), not that I've seen any of these devices yet. This is detected explicitly in the new pre-install checks I'm working on, disabling support for `WithSecureBootPolicyProfile` in this case, but support for `dbt` should probably be added.

Support for timestamp revocation can be detected from the `OsIndicationsSupported` global variable, which secboot is already looking at.

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