Related-key impossible differential attacks on 8-round AES-192

被引：0
|
作者：
Biham, E [1 ]
Dunkelman, O
Keller, N
机构：
[1] Technion Israel Inst Technol, Dept Comp Sci, IL-32000 Haifa, Israel
[2] Hebrew Univ Jerusalem, Einstein Inst Math, IL-91904 Jerusalem, Israel
来源：
TOPICS IN CRYPTOLOGY - CT-RSA 2006, PROCEEDINGS | 2006年 / 3860卷
关键词：
AES; related-key differentials; impossible differentials;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper we examine the strength of AES against the related-key impossible differential attack, following the work of Jakimoski and Desmedt [12]. We use several additional observations to substantially improve the data and time complexities of their attacks. Amongst our results, we present a related-key attack on 7-round AES-192 with data complexity of 2 56 chosen plaintexts (instead of 2(111)). Our attack on 8-round AES-192 has data complexity of 2(68.5) chosen plaintexts (instead of 2(88)). The time complexities of our attacks is also substantially lower than the time complexities of previous attacks.
引用
收藏
页码：21 / 33
页数：13
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