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Messaging Layer Security (mls)

Document Date Status IPR AD/Shepherd
Active Internet-Drafts (6 hits)
19 pages
draft-ietf-mls-combiner-02
Amortized PQ MLS Combiner
2025-10-22
Expires soon
I-D Exists
In WG Last Call : Proposed Standard
Dec 2026

Nick Sullivan
37 pages
draft-ietf-mls-extensions-09
The Messaging Layer Security (MLS) Extensions
2026-03-02
I-D Exists
Waiting for Implementation : Proposed Standard
Aug 2025

Sean Turner
8 pages
draft-ietf-mls-pq-ciphersuites-04
ML-KEM and Hybrid Cipher Suites for Messaging Layer Security
2026-03-18
I-D Exists
WG Document

9 pages
draft-ietf-mls-ratchet-tree-options-00
Ways to convey the Ratchet Tree in Messaging Layer Security
2026-03-19
I-D Exists
WG Document

11 pages
draft-ietf-mls-targeted-messages-00
Messaging Layer Security (MLS) Targeted Messages
2026-03-02
I-D Exists
WG Document

17 pages 2026-03-02
I-D Exists
WG Document

Expired Internet-Drafts (3 hits)
8 pages
draft-ietf-mls-federation-03
The Messaging Layer Security (MLS) Federation
2023-09-09
Expired
WG Document

19 pages 2025-09-02
Expired
WG Document

9 pages 2025-07-03
Expired
Adopted by a WG

RFCs (2 hits)
132 pages
RFC 9420
The Messaging Layer Security (MLS) Protocol Errata
2023-07
Proposed Standard RFC
Paul Wouters
41 pages
RFC 9750
The Messaging Layer Security (MLS) Architecture Errata
2025-04
Informational RFC
Paul Wouters
Related Internet-Drafts and RFCs (12 hits)
6 pages
draft-kohbrok-mls-dmls-03
Decentralized Messaging Layer Security
2025-10-20
Expires soon
I-D Exists

12 pages 2026-03-02
I-D Exists

8 pages 2025-10-20
Expires soon
I-D Exists

5 pages 2025-10-20
Expires soon
I-D Exists

7 pages
draft-kohbrok-mls-tls-00
The MLS-TLS secure channel protocol
2026-02-19
I-D Exists

6 pages
draft-kohbrok-mls-two-party-profile-00
A two-party profile for MLS
2026-02-03
I-D Exists

7 pages
draft-mahy-mls-ext-commit-pp-01
Including Pending Proposals in External Commits in the Messaging Layer Security protocol
2026-03-02
I-D Exists

9 pages
draft-mahy-mls-new-content-types-01
New Content Types for Messaging Layer Security (MLS)
2026-04-19
New
I-D Exists

5 pages
draft-mahy-mls-new-framed-content-tbs-01
A more efficient FramedContentTBS structure in Messsaging Layer Security (MLS)
2026-03-02
I-D Exists

15 pages
draft-mahy-mls-private-external-01
Private External Message extensions for Messaging Layer Security (MLS)
2026-03-02
I-D Exists

7 pages
draft-mahy-mls-sd-cwt-credential-01
Messaging Layer Security Credentials using Selective Disclosure JSON and CBOR Web Tokens
2025-10-20
Expires soon
I-D Exists

10 pages
draft-mahy-mls-semiprivatemessage-07
Semi-Private Messages in the Messaging Layer Security (MLS) Protocol
2026-04-19
New
I-D Exists