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

• Stato: Proposed Standard
• Pubblicato: February 2026
• Flusso: IETF
• Errata: RFC Editor Errata

Sommario (Abstract)

Questo documento definisce due COSE header parameters per incorporare RFC 3161 timestamp tokens nelle strutture COSE_Sign e COSE_Sign1, abilitando timestamping infrastructure esistente nei COSE-based protocols.

Indice (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

Risorse correlate (Related Resources)

• Testo ufficiale: RFC 9921
• Pagina ufficiale: RFC 9921 DataTracker
• Errata: RFC Editor Errata