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RFC/Spec: spec for AAEL and CoCo Event Types #792

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@Xynnn007 Xynnn007 commented May 16, 2025

AAEL event log is what we are using in Attestation Agent and Attestation Services, which leverages the TEE runtime measurement ability (like TDX) to record events.

Beyond CoCo, AAEL could also provide ability to record events in post-OS stage. Note that the framework functions here have basically been implemented on the AA and AS sides. The purpose of this document is to define events more formally and to demonstrate the functional extensibility of AAEL.

Render result: https://github.com/Xynnn007/kbs/blob/spec-aael-coco/kbs/docs/confidential-containers-eventlog.md

Related issues :
confidential-containers/guest-components#635
confidential-containers/guest-components#636

cc @RodgerZhu

@Xynnn007 Xynnn007 requested a review from a team as a code owner May 16, 2025 08:16
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Xynnn007 commented May 30, 2025

Hi @mkulke @mythi Thanks for the review. I have updated the PR according your suggestions. PTAL

btw @fitzthum you might be interested in this

AAEL event log is what we are using in Attestation Agent and Attestation
Services, which leverages the TEE runtime measurement ability (like TDX)
to record events.

Beyond CoCo, AAEL could also provide ability to record events in post-OS
stage. To make the event format more public, we put this RFC in CoCo.

Signed-off-by: Xynnn007 <[email protected]>
Signed-off-by: Yunge Zhu <[email protected]>
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@mythi mythi left a comment

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LGTM, thanks!

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3 participants