RFC 9921 - CBOR Object Signing and Encryption (COSE) Header Parameter for Timestamp Tokens as Defined in RFC 3161

• Statut: Proposed Standard
• Publication: February 2026
• Flux: IETF
• Errata: RFC Editor Errata

Resume (Abstract)

Ce document definit deux COSE header parameters permettant d'integrer des RFC 3161 timestamp tokens dans les structures COSE_Sign et COSE_Sign1, afin d'utiliser une timestamping infrastructure etablie dans les COSE-based protocols.

Sommaire (Contents)

• 1. Introduction
• 2. Modes of Use
• 3. Timestamp Tokens per RFC 3161: COSE Header Parameters
• 4. Timestamp Processing
• 5. Security Considerations
• 6. IANA Considerations
• 7. Normative References
• Appendix A. Examples
• Acknowledgments
• Contributors
• Authors' Addresses

Ressources liees (Related Resources)

• Texte officiel: RFC 9921
• Page officielle: RFC 9921 DataTracker
• Errata: RFC Editor Errata