AES-128的密钥中比特检测及分析

被引：2
|
作者：
万刘蝉
韦永壮
机构：
[1] 桂林电子科技大学信息与通信学院
来源：
桂林电子科技大学学报 | 2016年 / 36卷 / 04期
关键词：
AES密码; 密钥中比特; 立方测试; FPGA;
D O I：
10.16725/j.cnki.cn45-1351/tn.2016.04.016
中图分类号：
TN918.4 [密码的加密与解密];
学科分类号：
摘要：
针对分组密码算法AES-128的安全性分析,评估了AES-128算法内部结构对密钥比特的混淆和扩散性,根据算法的密钥编排特点和轮函数结构,利用FPGA测试平台设计了一种AES-128的密钥中比特检测算法。测试结果表明,在立方变元取17～24维时,3轮简化AES-128的输出位容易捕获密钥中比特,但4轮以上AES-128的输出位均无法捕获密钥中比特。
引用
收藏
页码：338 / 341
页数：4
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