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Title:
Biclique Cryptanalysis of TWINE
Authors: Mustafa Çoban, Ferhat Karakoç, Özkan Boztaş
Abstract:TWINE is a lightweight block cipher proposed at ECRYPT Workshop on Lightweight Cryptography 2011, Belgium. The cipher consists of 36 rounds and has two versions TWINE-80 and TWINE-128 supporting key lengths of 80 and 128 bits, respectively. The block length of the two versions is 64-bit. In this paper, we present the first single-key attacks on the both versions of the cipher. In these attacks, we use the recently developed biclique technique. The complexities of the attacks on TWINE-80 and TWINE-128 are 2^{79.10} and 2^{126.82} respectively and the data requirement for the two attacks is 2^{60}.
ePrint: https://eprint.iacr.org/2012/422
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