| FOX算法的差分故障攻击 |
| |
| 引用本文： | 赵征洋,张道法.FOX算法的差分故障攻击[J].通信技术,2010,43(8):175-177,180. |
| |
| 作者姓名： | 赵征洋 张道法 |
| |
| 作者单位： | 1. 中国科学院研究生院,北京,100039;北京市7223信箱10分箱,北京,100072
2. 北京市7223信箱10分箱,北京,100072 |
| |
| 摘 要： | FOX算法是用于欧洲有线电视的分组密码算法,该算法整体采用Lai-Massey结构,其中的圈函数使用SPS结构。FOX算法的设计结构比较典型,实际应用的范围很广,目前对于该算法的分析却并不多见。研究了FOX算法对于差分故障攻击的安全性。提出一种采用面向字节的随机故障模型,并结合差分分析技术的攻击方法。结果显示,差分故障攻击对于FOX算法是有效的;实验结果也验证了这一事实。该攻击方法恢复出全部密钥信息平均需要128个错误密文,计算穷举量为O（215）。
|
| 关 键 词： | 分组密码 FOX算法 旁路攻击 差分故障攻击 故障模型 |
Differential Fault Analysis of FOX Algorithm |
| |
| ZHAO Zheng-yang,ZHANG Dao-fa.Differential Fault Analysis of FOX Algorithm[J].Communications Technology,2010,43(8):175-177,180. |
| |
| Authors: | ZHAO Zheng-yang ZHANG Dao-fa |
| |
| Affiliation: | 1.Graduate School, the Chinese Academy of Sciences, Beijing 100039, China; 2.P. O. Box 7223-10 Beijing, Beijing 100072, China) |
| |
| Abstract: | FOX algorithm is the block cipher applied to the European Cable TV, which is based on a Lai-Massey scheme with the round function of SPS structure. FOX has a typical designed structure and is widely used in practice. However, there is seldom published paper on its security. In this paper, the strength of FOX against the differential fault analysis is examined, and with reference to the attack by differential fault analysis, a byte-oriented fault model is proposed. The experiment result shows that FOX is vulnerable to differential fault analysis. The result of attack experiment verifies this fact too. 128 faulty ciphertexts on average is required to recover the whole keys information, with an exhaustive calculation amount of O（2^15 ）. |
| |
| Keywords: | block cipher FOX side-channel attack differential fault analysis fault model |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
