A new impossible differential attack on
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Shihui Zheng; Licheng Wang; Yixian Yang
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Article
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2010
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Elsevier Science
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English
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This paper presents an improved impossible differential cryptanalysis of SAFER ciphers, which uses the miss-in-the-middle technique developed by Biham et al. We analyze 3.75-round SAFER SK-64, 1 using 2 45 chosen plaintexts, 2 38 bytes memory and 2 42 half round computations. Furthermore, the new im