A new Request for Comments is now available in online RFC libraries. RFC 8439 Title: ChaCha20 and Poly1305 for IETF Protocols Author: Y. Nir, A. Langley Status: Informational Stream: IRTF Date: June 2018 Mailbox: ynir.ietf@gmail.com, agl@google.com Pages: 46 Characters: 88847 Obsoletes: RFC 7539 I-D Tag: draft-nir-cfrg-rfc7539bis-04.txt URL: https://www.rfc-editor.org/info/rfc8439 DOI: 10.17487/RFC8439 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. RFC 7539, the predecessor of this document, was meant to serve as a stable reference and an implementation guide. It was a product of the Crypto Forum Research Group (CFRG). This document merges the errata filed against RFC 7539 and adds a little text to the Security Considerations section. This document is a product of the Crypto Forum Research Group of the IRTF. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce, rfc-dist and IRTF-Announce lists.To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist https://www.irtf.org/mailman/listinfo/irtf-announce For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC