Extended Generalized Feistel Networks using Matrix Representation to Propose a New Lightweight Block Cipher: Lilliput

Abstract : While Generalized Feistel Networks (GFNs) have been widely studied in the literature as a building block of a block cipher, we recall in this paper the results of [1] where a unified vision to easily represent them through a matrix representation is proposed. We also introduce a new class of such schemes called Extended Generalized Feistel Networks well suited for cryptographic applications. We instantiate this particular construction into a lightweight block cipher called LILLIPUT analyzing its security and its hardware performances.
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Contributor : Thierry Berger <>
Submitted on : Tuesday, April 5, 2016 - 3:22:27 PM
Last modification on : Saturday, October 27, 2018 - 1:20:23 AM

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Thierry Pierre Berger, Julien Francq, Marine Minier, Gaël Thomas. Extended Generalized Feistel Networks using Matrix Representation to Propose a New Lightweight Block Cipher: Lilliput. IEEE Transactions on Computers, Institute of Electrical and Electronics Engineers, 2015, PP (99), ⟨10.1109/TC.2015.2468218⟩. ⟨hal-01298151⟩

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