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Attestation is a confidential computing keystone. With attestation, workload owners can fully assert the trustworthiness of the hardware and software environment their workload is running in, regardless of the security posture of the underlying infrastructure provider.

A single attestation can authorize identical images that are stored in multiple different locations or different registries, such as Artifact Registry, Container Registry, or an external container registry. At deploy time, Binary Authorization uses attestors to verify attestations.

Attestation is the act of witnessing the signing of a formal document and then also signing it to verify that it was properly signed by those bound by its contents. Attestation is a legal acknowledgment of the authenticity of a document and a verification that proper processes were followed.

Attestation Manifest Attestation manifests are attached to the root image index object, under a separate OCI image manifestopen_in_new. Each attestation manifest can contain multiple attestation blobs, with all the of the attestations in a manifest applying to a single platform manifest.

The SafetyNet Attestation API provides a cryptographically-signed attestation, assessing the device's integrity. In order to create the attestation, the API examines the device's software and hardware environment, looking for integrity issues, and comparing it with the reference data for approved Android devices.

The witness signs to confirm that their statement is valid, and another person signs as an attestation that the first signature was authentic. Attestation differs from notarization, which requires a state-commissioned notary public to not only sign but add their personal stamp to the document in question.

I do hereby attest that this information is true, accurate and complete to the best of my knowledge and I understand that any falsification, omission, or concealment of material fact may subject me to administrative, civil, or criminal liability.?