无线电工程2016，Vol.46Issue(3)：33-36,40,5.DOI:10.3969/j.issn.1003-3106.2016.03.10
分组密码中基于混沌映射的动态S盒构造
A Method to Construct Dynamic S-box Based on Chaotic Map in Block Cipher
范明慧 1仰枫帆1
作者信息
- 1. 南京航空航天大学 电子信息工程学院，江苏 南京210016
- 折叠
摘要
Abstract
S⁃box is the only nonlinear component for block cipher algorithm.To generate more secure dynamic S⁃box,a method is proposed to construct S⁃box dynamically by two chaotic maps(Logistic and Tent chaotic maps).On the basis of the sensitivity to initial condition of Logistic chaotic map,the generated dynamic S⁃box is key dependent.Then the performance indices of S⁃box are summarized. Six properties,such as bijective property,nonlinearity,strict avalanche criterion,output bits independence criterion,equiprobable input/output XOR distribution and sensitivity,are tested and analyzed.Simulation tests show that the criterion for designing good S⁃box can be met approximately.The S⁃box can satisfy the security of the cryptography.关键词
S盒/混沌映射/分组密码/信息安全Key words
S-box/chaotic map/block cipher/information security分类
信息技术与安全科学引用本文复制引用
范明慧,仰枫帆..分组密码中基于混沌映射的动态S盒构造[J].无线电工程,2016,46(3):33-36,40,5.
