RFC 6031 · PROPOSED STANDARD · 2010
MON · 15 JUN 2026
Cryptographic Message Syntax Symmetric Key Package Content Type
Overview
RFC 6031, “Cryptographic Message Syntax Symmetric Key Package Content Type”, is a Proposed Standard document published in December 2010 by S. Turner, R. Housley. The canonical text is published by the RFC Editor.
Abstract
This document defines the symmetric key format content type. It is transport independent. The Cryptographic Message Syntax (CMS) can be used to digitally sign, digest, authenticate, or encrypt this content type. [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 6031 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2010
- RFC 6030 Portable Symmetric Key Container
- RFC 6032 Cryptographic Message Syntax Encrypted Key Package Content Type
- RFC 6029 A Survey on Research on the Application-Layer Traffic Optimization Problem
- RFC 6033 Algorithms for Cryptographic Message Syntax Encrypted Key Package Content Type
- RFC 6028 Host Identity Protocol Multi-Hop Routing Extension
- RFC 6034 Unicast-Prefix-Based IPv4 Multicast Addresses
- RFC 6027 IPsec Cluster Problem Statement
- RFC 6035 Session Initiation Protocol Event Package for Voice Quality Reporting