RFC 9963 - Legacy RSASSA-PKCS1-v1_5 Code Points for TLS 1.3
- Status: Proposed Standard
- Published: April 2026
- Stream: IETF
- Errata: No Errata
Abstract
This document allocates code points for the use of RSASSA-PKCS1-v1_5 with client certificates in TLS 1.3. This removes an obstacle for some deployments to migrate to TLS 1.3.
Contents
- 1. Introduction
- 2. Conventions and Definitions
- 3. PKCS #1 v1.5 SignatureScheme Types
- 4. Security Considerations
- 5. IANA Considerations
- 6. References
- 6.1. Normative References
- 6.2. Informative References
- Acknowledgements
- Authors' Addresses
Related Resources
- Official Text: RFC 9963
- Official Page: RFC 9963 DataTracker
- Errata: RFC Editor Errata