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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Extension of the fourth cryptanalysis and Hex-Hot-Ticks prizes

8 September 2010

In February, we announced the Hex-Hot-Ticks prize for the most interesting implementation of Keccak on exotic platforms and one month later the fourth prize for the best cryptanalysis to encourage third-party analysis of Keccak.

The fourth cryptanalysis prize consisted of a box of 600g of the finest Belgian pralines. We increase this now to 1200g. To be gentle on your liver, please consider submitting as a team or sharing the pralines with your relatives. :-)

The deadline of both prizes is extended to November 30, 2010. The results must be publicly available on an URL that is sent to keccak -at- noekeon -dot- org before Tuesday November 30, 2010 at 23:59 GMT+1.