Security

Biclique Attack of the Full ARIA-256

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Executive Summary

The ARIA block cipher was designed by a group of Korean experts in 2003, and was standardized as the Korean Standard in 2004. ARIA supports key length of 128,192 and 256 bits, these versions of ARIA are denoted as ARIA-128, ARIA-192 and ARIA-256. The number of rounds for these three versions are 12, 14 and 16, respectively. The designers of ARIA presented some cryptanalysis including both differential cryptanalysis, linear cryptanalysis, and some other known attacks. Later Biryukov et al. performed an evaluation of ARIA, however, they especially focused on truncated differential cryptanalysis and dedicated linear cryptanalysis.

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