Welcome to the resource topic for 2012/163
Title:
Differential propagation analysis of Keccak
Authors: Joan Daemen, Gilles Van Assche
Abstract:In this paper we introduce new concepts that help read and understand low-weight differential trails in Keccak. We then propose efficient techniques to exhaustively generate all 3-round trails in its largest permutation below a given weight. This allows us to prove that any 6-round differential trail in Keccak-f[1600] has weight at least 74. In the worst-case diffusion scenario where the mixing layer acts as the identity, we refine the lower bound to 82 by systematically constructing trails using a specific representation of states.
ePrint: https://eprint.iacr.org/2012/163
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