Crate ccatoken

Arm CCA attestation token verification and appraisal.

This crate provides an API to decode, verify and appraise attestation evidence produced by an Armv9-A CCA platform. For detailed information about the format, see §A.7 of the Realm Management Monitor RMM specification.

The API allows:

• Decoding a CBOR-encoded CCA attestation token
• Cryptographically verifying the integrity and authenticity of the token
• Appraising the contents of the token against user-supplied reference values

Modules

store

The store module provides traits and concrete types to implement the interfaces between:

token

The token module provides an Evidence object to encapsulate business logics and associated state used for verification and appraisal of a CCA attestation token.