Improved meet-in-the-middle attacks on reduced-round DES

被引：0
|
作者：
Dunkelman, Orr [1 ]
Sekar, Gautharn [1 ]
Preneel, Bart [1 ]
机构：
[1] Katholieke Univ Leuven, Dept Elect Engn ESAT SCD COSIC, B-3001 Heverlee, Belgium
来源：
PROGRESS IN CRYPTOLOGY - INDOCRYPT 2007 | 2007年 / 4859卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The Data Encryption Standard (DES) is a 64-bit block cipher. Despite its short key size of 56 bits, DES continues to be used to protect financial transactions valued at billions of Euros. In this paper, we investigate the strength of DES against attacks that use a limited number of plaintexts and ciphertexts. By mounting meet-in-the-middle attacks on reduced-round DES, we find that up to 6-round DES is susceptible to this kind of attacks. The results of this paper lead to a better understanding on the way DES can be used.
引用
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页码：86 / 100
页数：15
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