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A New Cryptanalytic Time-Memory Trade-Off for Stream Ciphers

机译:流密码的新的密码分析时间记忆权衡

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In 1980 M. Hellman presented a cryptanalytic time-memory trade-off which reduces computational time by distributing possible key solution space N between memory M and time T, by using a pre-computed table, for block ciphers. This method was applied to stream ciphers by A. Biryukov and A. Shamir with consideration of known output data D. Recently, P. Oechslin described a technique which makes an improvement to Hellman's original idea in computational time with introducing the rainbow chain model for block ciphers. In this paper, we present the application of the rainbow chain model as a time-memory trade-off attack for stream ciphers.
机译:1980年,M。Hellman提出了一种密码分析时间-内存折衷方法,该方法通过使用预先计算的表为块密码在内存M和时间T之间分配可能的密钥解空间N,从而减少了计算时间。考虑到已知的输出数据D,此方法由A. Biryukov和A. Shamir应用于流密码。最近,P。Oechslin介绍了一种技术,该技术通过引入用于块的彩虹链模型对Hellman的原始思想进行了改进。密码。在本文中,我们介绍了彩虹链模型作为流密码的时间记忆权衡攻击的应用。

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