The AttestationServer project is now available under the terms of the MIT license: github.com/GrapheneOS/Att. The dependencies including the attestation certificate parsing library borrowed from Android's Compatibility Test Suite tests for attestation are mostly Apache 2 licensed.
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The foundation for the attestation service is already mostly complete, but it needs a lot of work to improve the web interface and email alerts. It's already a useful service, but it's painful to have many devices registered and email alerts need an overhaul including throttling.
