The Keccak sponge function family

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

1STMicroelectronics
2Radboud University

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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.

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Updated VHDL package

1 February 2011

We updated the VHDL package of Keccak to be compliant with its new padding rule. In fact, the VHDL code itself has not changed since version 2.0, as the underlying permutation was not modified. But we updated the testing program in C to be in line with the new padding rule and to support input messages of any bit length.

The new package can be downloaded here.