The Keccak sponge function family

Guido Bertoni1, Joan Daemen1,2, Michaël Peeters1 and Gilles Van Assche1

2Radboud University




Software and other files


The figures above are available under the Creative Commons Attribution license. In short, they can be freely used, provided that attribution is properly done in the figure caption, either by linking to this webpage or by citing the article where the particular figure first appeared.


Updated documentation and implementation

23 April 2009

Version 1.2 of the main document and of the implementation are now available! In addition, a new version of KeccakTools is also available.

The changes include:

Note that the Keccak algorithm, specifications and test vectors have not changed since the initial NIST submission.