计算机科学 ›› 2017, Vol. 44 ›› Issue (12): 120-125.doi: 10.11896/j.issn.1002-137X.2017.12.024
董大强,殷新春
DONG Da-qiang and YIN Xin-chun
摘要： REESSE3+算法是苏盛辉教授于2014年提出的一个8轮迭代的分组密码算法。本文在REESSE3+算法的基础上做出了一些改进,提出了一种新的改进算法。由于REESSE3+算法受到了来学嘉教授提出的IDEA算法的启发,采用了3个不相容的群运算来保证其安全性,因此采用来学嘉教授提出的马尔科夫密码模型来对REESSE3+(16)算法和16位输入的改进算法进行比较。通过实验发现,在面对差分攻击时,16位输入的改进算法比原REESSE3+(16)算法更加安全。
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