Attestation is a big mess right now, but there's a consortium working on it, with Red Hat involved: https://www.redhat.com/en/blog/what-confidential-containers-

Attestation is a big mess right now, but there's a consortium working on it, with Red Hat involved: https://www.redhat.com/en/blog/what-confidential-containers-project https://www.redhat.com/en/blog/what-confidential-containers-... https://www.redhat.com/en/blog/understanding-confidential-containers-attestation-flow https://www.redhat.com/en/blog/understanding-confidential-co... (Note confidential containers builds on top of confidential hardware VMs)