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2016

Integrals go Statistical: Cryptanalysis of Full Skipjack Variants

5 years 6 months ago
Integrals go Statistical: Cryptanalysis of Full Skipjack Variants
Abstract. Integral attacks form a powerful class of cryptanalytic techniques that have been widely used in the security analysis of block ciphers. The integral distinguishers are based on balanced properties holding with probability one. To obtain a distinguisher covering more rounds, an attacker will normally increase the data complexity by iterating through more plaintexts with a given structure under the strict limitation of the full codebook. On the other hand, an integral property can only be deterministically verified if the plaintexts cover all possible values of a bit selection. These circumstances have somehow restrained the applications of integral cryptanalysis. In this paper, we aim to address these limitations and propose a novel statistical integral distinguisher where only a part of value sets for these input bit selections are taken into consideration instead of all possible values. This enables us to achieve significantly lower data complexities for our statistical i...
Meiqin Wang, Tingting Cui, Huaifeng Chen, Ling Sun
Added 03 Apr 2016
Updated 03 Apr 2016
Type Journal
Year 2016
Where IACR
Authors Meiqin Wang, Tingting Cui, Huaifeng Chen, Ling Sun, Long Wen, Andrey Bogdanov
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