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 version of KeccakTools available

7 October 2009

We release KeccakTools v2.0, a set of C++ classes that can help analyze Keccak. Besides some minor improvements since v1.1, the default number of rounds of the Keccak-f permutation has been adapted to the new Keccak specifications.

As a reminder, KeccakTools currently supports:

The code is documented with comments in the Doxygen format. The documentation can also be browsed online.