RFC 9980 on Post-Quantum Cryptography in OpenPGP
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Subject: RFC 9980 on Post-Quantum Cryptography in OpenPGP
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A new Request for Comments is now available in online RFC libraries.
RFC 9980
Title: Post-Quantum Cryptography in OpenPGP
Author: S. Kousidis,
J. Roth,
F. Strenzke,
A. Wussler
Status: Proposed Standard
Stream: IETF
Date: June 2026
Mailbox: kousidis.ietf@gmail.com,
johannes.roth+ietf@posteo.de,
fstrenzke@cryptosource.de,
aron@wussler.it
Pages: 222
I-D Tag: draft-ietf-openpgp-pqc-17
URL: https://www.rfc-editor.org/info/rfc9980
DOI: 10.17487/RFC9980
This document defines a post-quantum public key algorithm extension for the OpenPGP protocol, extending RFC 9580. Given the generally assumed threat of a cryptographically relevant quantum computer, this extension provides a basis for long-term secure OpenPGP signatures and ciphertexts. Specifically, it defines composite public key encryption based on ML-KEM (formerly CRYSTALS-Kyber), composite public key signatures based on ML-DSA (formerly CRYSTALS-Dilithium), both in combination with Elliptic Curve Cryptography (ECC), and SLH-DSA (formerly SPHINCS+) as a standalone public key signature scheme.
This document is a product of the Open Specification for Pretty Good Privacy Working Group of the IETF.
STANDARDS TRACK: This document specifies an Internet Standards Track
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