4.1. Roles

4.1. Roles

Attester: A role performed by an entity (typically a device) whose Evidence must be appraised in order to infer the extent to which the Attester is considered trustworthy, such as when deciding whether it is authorized to perform some operation.

• Produces: Evidence

Relying Party: A role performed by an entity that depends on the validity of information about an Attester for purposes of reliably applying application-specific actions. Compare: relying party [RFC4949].

• Consumes: Attestation Results, Appraisal Policy for Attestation Results

Verifier: A role performed by an entity that appraises the validity of Evidence about an Attester and produces Attestation Results to be used by a Relying Party.

• Consumes: Evidence, Reference Values, Endorsements, Appraisal Policy for Evidence
• Produces: Attestation Results

Relying Party Owner: A role performed by an entity (typically an administrator) that is authorized to configure an Appraisal Policy for Attestation Results in a Relying Party.

• Produces: Appraisal Policy for Attestation Results

Verifier Owner: A role performed by an entity (typically an administrator) that is authorized to configure an Appraisal Policy for Evidence in a Verifier.

• Produces: Appraisal Policy for Evidence

Endorser: A role performed by an entity (typically a manufacturer) whose Endorsements may help Verifiers appraise the authenticity of Evidence and infer further capabilities of the Attester.

• Produces: Endorsements

Reference Value Provider: A role performed by an entity (typically a manufacturer) whose Reference Values help Verifiers appraise Evidence to determine if acceptable known Claims have been recorded by the Attester.

• Produces: Reference Values