RFC 4056 · PROPOSED STANDARD · 2005
SUN · 14 JUN 2026
Use of the RSASSA-PSS Signature Algorithm in Cryptographic Message Syntax
Overview
RFC 4056, “Use of the RSASSA-PSS Signature Algorithm in Cryptographic Message Syntax”, is a Proposed Standard document published in June 2005 by J. Schaad. The canonical text is published by the RFC Editor.
Abstract
This document specifies the conventions for using the RSASSA-PSS (RSA Probabilistic Signature Scheme) digital signature algorithm with the Cryptographic Message Syntax (CMS). [STANDARDS-TRACK]
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 4056 is hosted at rfc-editor.org. Available in TXT,HTML.
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