耶罗波安

Studies in Josephus' Rewritten Bible Pub Date : 1998-01-01 DOI:10.1163/9789004494466_017

Hervé Chabanne, Emmanuel Michon

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引用次数: 2

摘要

我们介绍了一种新的快速流密码，JEROBOAM，使用128或248位密钥。JEROBOAM设计用于8个内部32位寄存器，称为进位乘法发生器(mwc)。这些寄存器很容易在软件中实现，并产生了良好的统计质量序列。相反，一个mwc很容易被晶格约简算法破解。因此，我们需要在这些弱寄存器和伪随机输出之间插入一个非线性滤波器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Jeroboam

We introduce a new fast stream cipher, JEROBOAM, working with a key of 128 or 248 bits. JEROBOAM was designed to work with eight internal 32-bit registers called multiply-with-carry generators (mwc). These register are very easy to implement in software and produce a sequence of excellent statistical quality. Per contra, one mwc is easily cracked by a lattice reduction algorithm. Hence, we are lead to interpose a nonlinear filter between these weak registers and the pseudo-random output.

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Studies in Josephus' Rewritten Bible

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