On the security of the 128-bit block cipher DEAL

被引:0
|
作者
Lucks, S [1 ]
机构
[1] Univ Mannheim, D-68131 Mannheim A5, Germany
来源
FAST SOFTWARE ENCRYPTION | 1999年 / 1636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
DEAL is a DES-based block cipher proposed by Knudsen. The block size of DEAL is 128 bits, twice as much as the DES block size. The main result of the current paper is a certificational attack on DEAL-192, the DEAL variant with a 192-bit key. The attack allows a trade-off between the number of plaintext/ciphertext pairs and the time for the attacker's computations. Nevertheless, the DEAL design principle seems to be a useful way of doubling the block size of a given block cipher.
引用
收藏
页码:60 / 70
页数:11
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