收稿日期: 2010-11-02
修回日期: 2011-01-28
网络出版日期: 2012-01-15
基金资助
国家自然科学基金(60833008,60902024)资助
Guess-and-determine attacks on Loiss
Received date: 2010-11-02
Revised date: 2011-01-28
Online published: 2012-01-15
周照存 , 刘骏 , 冯登国 . 对Loiss算法的猜测确定分析[J]. 中国科学院大学学报, 2012 , 29(1) : 125 -130 . DOI: 10.7523/j.issn.2095-6134.2012.1.018
Loiss is a byte-oriented stream cipher. It generates keystream bytes under control of both initial key and IV. We analyze Loiss’ security in resistance to guess-and-determine attack. Without guessing the register cells of BOMM structure in Loiss, we give an attack method with time complexity O(2247) and data complexity O(252).
Key words： stream cipher; Loiss; BOMM; guess-and-determine attack
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