日時：　平成21年12月4日（金）15時 30分 - 17時 30分

      場所：　場 所 情報科学研究科 5階 コラボレーションルーム7

      講演者氏名：Xuejia Lai
      　　講演者所属機関・部局・役職名：Dept. of Computer Science and Engineeringr Shanghai Jiao Tong University

      講演題目：「FO Relation of MISTY1 and key-dependent attack」

      We present several integral attacks on MISTY1 using the FO Relation, derived from a property used in previous attacks. We also give a formalization of key-dependent attack, in which the key-dependent intermediate value is used. The attack determines whether a key is right by conducting statistical hypothesis test on the intermediate value.

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