RFC 7539: ChaCha20 and Poly1305 for IETF Protocols

This document defines the ChaCha20 stream cipher as well as the use of the Poly1305 authenticator, both as stand-alone algorithms and as a "combined mode", or…

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Outgoing relationships (4 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Informative reference — RFC 7296: Internet Key Exchange Protocol Version 2 (IKEv2)
Informative reference — RFC 5116: An Interface and Algorithms for Authenticated Encryption
Informative reference — RFC 4868: Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec

Incoming relationships (4 related RFCs)

Obsoleted by — RFC 8439: ChaCha20 and Poly1305 for IETF Protocols
Normatively referenced by — RFC 8152: CBOR Object Signing and Encryption (COSE)
Normatively referenced by — RFC 7634: ChaCha20, Poly1305, and Their Use in the Internet Key Exchange Protocol (IKE) and IPsec
Normatively referenced by — RFC 8103: Using ChaCha20-Poly1305 Authenticated Encryption in the Cryptographic Message Syntax (CMS)