RFC 9908 - Clarification and Enhancement of the CSR Attributes Definition in RFC 7030

• Status: Proposed Standard
• Published: January 2026
• Stream: IETF
• Updates: RFC 7030, RFC 9148
• Errata: RFC Editor Errata

Abstract

This document updates RFC 7030 and RFC 9148 by clarifying CSR Attributes Response encoding in EST and defining a CSR template approach for server-provided CSR requirements.

Contents

• 1. Introduction
• 2. Terminology
• 3. CSR Attributes Handling
• 4. Coexistence with Existing Implementations
• 5. Examples Using the Original Approach in RFC 7030
• 6. Security Considerations
• 7. IANA Considerations
• 8. References
• Appendix A. ASN.1 Module
• Acknowledgments
• Authors' Addresses

Related Resources

• Official Text: RFC 9908
• Official Page: RFC 9908 DataTracker
• Errata: RFC Editor Errata