物联网环境中LED轻量级密码算法的统计故障分析研究

发布时间：2018-02-09 01:36

本文关键词： 物联网轻量级密码 LED 统计故障分析密码分析　出处：《计算机研究与发展》2017年10期 　论文类型：期刊论文

【摘要】：LED算法是于2011年密码硬件与嵌入式系统国际会议(CHES)中提出的一种典型轻量级密码算法,用于在物联网环境下保护RFID标签以及智能卡等设备的通信安全.故障分析凭借其攻击速度快、实现简单和难以防御等特点,已成为评测轻量级密码算法安全性的一种重要手段.提出了针对LED算法的新型统计故障分析方法,采用面向半字节的故障模型,分别使用SEI区分器、GF区分器和GFSEI双重区分器对算法进行统计分析.实验结果表明:在较短时间内以99%的成功概率恢复出LED算法的64b和128b原始密钥.该攻击方法不仅可以在唯密文攻击条件下实现,而且提升了故障攻击效率,降低了故障数,为物联网环境下其他轻量级密码的安全性分析提供了重要参考.
[Abstract]:LED algorithm is a typical lightweight cryptographic algorithm proposed at the International Conference on cryptographic hardware and embedded Systems in 2011. It is used to protect the communication security of RFID tags and smart cards in the environment of Internet of things. Fault analysis has the advantages of high attack speed, simple and difficult to defend, etc. It has become an important means to evaluate the security of lightweight cryptographic algorithms. A new statistical fault analysis method for LED algorithm is proposed, which adopts a half byte oriented fault model. The SEI discriminator / GF discriminator and the GFSEI dual discriminator are used for statistical analysis of the algorithm respectively. The experimental results show that the original keys of the LED algorithm can be recovered in a short time with a probability of 99% and 128b respectively. It can only be implemented under the condition of ciphertext only attack, It also improves the efficiency of fault attack, reduces the number of failures, and provides an important reference for the security analysis of other lightweight ciphers in the Internet of things environment.
【作者单位】：东华大学计算机科学与技术学院;上海交通大学计算机科学与工程系;上海市信息安全综合管理技术研究重点实验室(上海交通大学);上海交通大学微电子学院;上海理工大学计算机科学与工程系;
【基金】：国家“九七三”重点基础研究发展计划基金项目(2013CB338004) 国家自然科学基金项目(61672347,61772129,61402288,61402286,61402250,61572192) 上海市自然科学基金项目(15ZR1400300,16ZR1401100) 上海市教育委员会科研创新重点项目(14ZZ066) 上海市信息安全综合管理技术研究重点实验室开放课题(AGK201703) 中央高校基本科研业务费专项资金项目(040)~~
【分类号】：TN918

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