1. Execution environments
2. Innovative technology for CPU based attestation and sealing
3. Remote attestation
4. Roots of trust (RoT)
5. Backman, A., Richer, J., Sporny, M.: HTTP message signatures draft-ietf-httpbis-message-signatures-08. Technical report, Internet-Draft. IETF (2019). https://www.ietf.org/archive/id/draft-ietf-httpbis-message-signatures-08.html