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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Hex-Hot-Ticks Keccak prize

2 February 2010

We are looking for implementations of Keccak on exotic platforms! We offer a prize for the most interesting implementation of Keccak on:

The prize consists in a Himitsu-Bako secret box.

Who wins the prize will be decided by consensus in the Keccak team. We will internally use a system of points. Some hints:

We give freedom in the way Keccak is used. It is allowed to implement, for instance, tree hashing or batch hashing (several messages hashed in parallel), instead of plain sequential hashing, to take advantage of parallel computing and get better performance.

The results and source code must be publicly available on an URL that is sent to keccak -at- noekeon -dot- org before June 30, 2010 at 12:00 GMT+2. No specific licensing condition is requested (pick up the one you like!). We reserve the right to extend this deadline in the absence of interesting results. Otherwise, the winner will be announced during the rump session of the second SHA-3 candidate conference in Santa Barbara.