[Resource Topic] 2013/231: Sakura: a flexible coding for tree hashing

Welcome to the resource topic for 2013/231

Title:
Sakura: a flexible coding for tree hashing

Authors: Guido Bertoni, Joan Daemen, Michael Peeters, Gilles Van Assche

Abstract:

We propose a flexible, fairly general, coding for tree hash modes. The coding does not define a tree hash mode, but instead specifies a way to format the message blocks and chaining values into inputs to the underlying function for any topology, including sequential hashing. The main benefit is to avoid input clashes between different tree growing strategies, even before the hashing modes are defined, and to make the SHA-3 standard tree-hashing ready.

ePrint: https://eprint.iacr.org/2013/231

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