计算机科学 ›› 2017, Vol. 44 ›› Issue (2): 192-194.doi: 10.11896/j.issn.1002-137X.2017.02.030
代学俊,黄玉划,刘宁钟
DAI Xue-jun, HUANG Yu-hua and LIU Ning-zhong
摘要： 针对资源受限的移动终端对轻量级密码的需求,提出了一种 基于双伪随机变换和Feistel结构的新的轻量级分组密码算法VHF。类似于许多其他轻量级分组密码,VHF的分组长度为128bit,密钥长度为80bit和128bit。VHF的安全评估结果表明,其可以对已知的攻击实现足够的安全性,如差分分析、线性分析和不可能差分分析等。在安全的基础上测试软件效率及硬件实现,与现有的轻量级分组密码进行的对比表明,VHF的软硬件效率都高于同为面向8位平台的国际标准CLEFIA算法。
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