RFC 9925
Unsigned X.509 Certificates, February 2026
- File formats:

- Also available: XML file for editing
- Status:
- PROPOSED STANDARD
- Updates:
- RFC 5280
- Author:
- D. Benjamin
- Stream:
- IETF
- Source:
- lamps (sec)
Cite this RFC: TXT | XML | BibTeX
DOI: https://doi.org/10.17487/RFC9925
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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.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.