The memory-hard Argon2 password hash function

Document Type Replaced Internet-Draft (cfrg RG)
Authors Alex Biryukov  , Daniel Dinu  , Simon Josefsson 
Last updated 2017-02-22 (latest revision 2015-11-05)
Replaced by RFC 9106
Stream Internet Research Task Force (IRTF)
Intended RFC status (None)
Expired & archived
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Stream IRTF state Replaced
Consensus Boilerplate Unknown
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-irtf-cfrg-argon2
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes the Argon2 memory-hard function for password hashing and other applications. We provide a implementer oriented description together with sample code and test vectors. The purpose is to simplify adoption of Argon2 for Internet protocols.


Alex Biryukov (
Daniel Dinu (
Simon Josefsson (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)