Cryptanalysis of the Reduced-Round RC6

Cryptanalysis of the Reduced-Round RC6
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缩减轮数 RC6 的密码分析

DOI:
10.1007/3-540-36159-6_41
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发表时间:
2002
期刊:
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影响因子:
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通讯作者:
Masao Nonaka
Masao Nonaka
中科院分区:
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文献类型:
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作者:
A. Miyaji;Masao Nonaka

文献摘要

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本文提出了一种高效可行的密钥恢复算法RC 6 W,该算法针对不加白化的缩减轮RC 6算法。我们的攻击适用于相当多的回合。使用28.1r-13.8个明文,可以以90%的成功概率破解r轮的RC 6 W。因此,我们的攻击可以打破RC 6 W的17轮,使用2123.9明文的概率为90%。
In this paper, we propose the efficient and feasible key recovery algorithm against the reduced-round RC6 without whitening, called RC6W. Our attack applies to a rather large number of rounds. RC6W with r rounds can be broken in a success probability of 90% by using 28.1r-13.8plaintexts. Therefore, our attack can break RC6W with 17 rounds by using 2123.9plaintexts in a probability of 90%.