RFC 7634 · PROPOSED STANDARD · 2015
SUN · 14 JUN 2026
ChaCha20, Poly1305, and Their Use in the Internet Key Exchange Protocol and IPsec
Overview
RFC 7634, “ChaCha20, Poly1305, and Their Use in the Internet Key Exchange Protocol and IPsec”, is a Proposed Standard document published in August 2015 by Y. Nir. The canonical text is published by the RFC Editor.
Abstract
This document describes the use of the ChaCha20 stream cipher along with the Poly1305 authenticator, combined into an AEAD algorithm for the Internet Key Exchange Protocol version 2 (IKEv2) and for IPsec.
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 7634 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2015
- RFC 7633 X.509v3 Transport Layer Security Feature Extension
- RFC 7635 Session Traversal Utilities for NAT Extension for Third-Party Authorization
- RFC 7632 Endpoint Security Posture Assessment: Enterprise Use Cases
- RFC 7636 Proof Key for Code Exchange by OAuth Public Clients
- RFC 7631 TLV Naming in the Mobile Ad Hoc Network Generalized Packet/Message Format
- RFC 7637 NVGRE: Network Virtualization Using Generic Routing Encapsulation
- RFC 7630 HMAC-SHA-2 Authentication Protocols in the User-based Security Model for SNMPv3
- RFC 7638 JSON Web Key Thumbprint