RFC 9925 · PROPOSED STANDARD · 2026
SUN · 14 JUN 2026
Unsigned X.509 Certificates
Overview
RFC 9925, “Unsigned X.509 Certificates”, is a Proposed Standard document published in February 2026 by D. Benjamin. It updates RFC 5280. The canonical text is published by the RFC Editor.
Abstract
This document defines a placeholder X.509 signature algorithm that may be used in contexts where the consumer of the certificate is not expected to verify the signature. As part of this, it updates RFC 5280.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 9925 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
Relationships to other RFCs
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