ChaCha20 and Poly1305 for IETF Protocols

By Y. Nir, Adam Langley. 2018

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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).

Subfields: Control and Systems Engineering, Radiology, Nuclear Medicine and Imaging