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Title:
Cryptanalysis of 2-round KECCAK-384
Authors: Rajendra Kumar, Nikhil Mittal, Shashank Singh
Abstract:In this paper, we present a cryptanalysis of round reduced Keccak-384 for 2 rounds. The best known preimage attack for this variant of Keccak has the time complexity 2^{129}. In our analysis, we find a preimage in the time complexity of 2^{89} and almost same memory is required.
ePrint: https://eprint.iacr.org/2018/1191
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