rfc-9923

The FNV Non-Cryptographic Hash Algorithm

L. Noll, K. Vo, D. Eastlake 3rd, T. Hansen
date2026-02 streamINDEPENDENT statusINFORMATIONAL pages111 canonicalhttps://www.rfc-editor.org/rfc/rfc9923 doi10.17487/RFC9923
FNV (Fowler/Noll/Vo) is a fast, non-cryptographic hash algorithm with good dispersion that has been widely used and is referenced in a number of standards documents. The purpose of this document is to make information on FNV and open-source code performing all specified sizes of FNV conveniently available to the Internet community.