RFC 9939 - PKCS #8: Private-Key Information Content Types

• Status: Standards Track
• Published: February 2026
• Stream: IETF
• Errata: RFC Editor Errata

Abstract

RFC 9939 is a Standards Track IETF document defining PKCS #8 content types for PrivateKeyInfo and EncryptedPrivateKeyInfo as specified in RFC 5958.

Contents

• 1. Introduction
• 2. Private-Key Information Content Types
• 3. ASN.1 Module
• 4. Security Considerations
• 5. IANA Considerations
• 6. References
• Acknowledgments
• Authors' Addresses

Related Resources

• Official Text: RFC 9939
• Official Page: RFC 9939 DataTracker
• Errata: RFC Editor Errata