RFC 7539

ChaCha20 and Poly1305 for IETF Protocols, May 2015

Canonical URL:
https://www.rfc-editor.org/rfc/rfc7539.txt
File formats:
Plain TextPDF
Status:
INFORMATIONAL
Authors:
Y. Nir
A. Langley
Stream:
IRTF

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC7539

Discuss this RFC: Send questions or comments to cfrg@irtf.org

Other actions: View Errata  |  Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

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 Authenticated Encryption with Associated Data (AEAD) algorithm. This document does not introduce any new crypto, but is meant to serve as a stable reference and an implementation guide. It is a product of the Crypto Forum Research Group (CFRG).


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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