RFC 7905 · PROPOSED STANDARD · 2016

ChaCha20-Poly1305 Cipher Suites for Transport Layer Security

Overview

RFC 7905, “ChaCha20-Poly1305 Cipher Suites for Transport Layer Security”, is a Proposed Standard document published in June 2016 by A. Langley, W. Chang, N. Mavrogiannopoulos, J. Strombergson, S. Josefsson. It updates RFC 5246, RFC 6347. The canonical text is published by the RFC Editor.

Abstract

This document describes the use of the ChaCha stream cipher and Poly1305 authenticator in the Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) protocols.

This document updates RFCs 5246 and 6347.

Abstract as published in the RFC, via rfc-editor.org.

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 7905 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC updates
RFC 5246 RFC 6347
Other RFCs from 2016

Who Is Online

In total there are 61 users online: 0 registered, 54 guests and 7 bots.

Most users ever online was 5,555 on 17 Jul 2026, 3:23 am.

Bots: AhrefsBot Applebot Baiduspider Bingbot Other Bot PetalBot SemrushBot

Users active in the past 15 minutes. Total registered members: 372