Constructing Odd-Variable Rotation Symmetric Boolean Functions with Optimal Algebraic Immunity and High Nonlinearity

被引:8
作者
Zhao Qinglan [1 ,2 ]
Han Gang [3 ]
Zheng Dong [2 ]
Li Xiangxue [4 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Informat Secur Engn, Shanghai 200240, Peoples R China
[2] Xian Univ Post & Telecommun, Natl Engn Lab Wireless Secur, Xian 710121, Shaanxi, Peoples R China
[3] Northwestern Polytech Univ, Coll Elect Informat, Xian 710072, Shaanxi, Peoples R China
[4] East China Normal Univ, Sch Comp Sci & Technol, Shanghai 200241, Peoples R China
基金
中国国家自然科学基金;
关键词
Cryptography; Boolean functions; Algebraic immunity; Nonlinearity; Algebraic attack; STREAM CIPHERS; ATTACKS; COUNT;
D O I
10.1049/cje.2018.01.009
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Rotation symmetric Boolean functions (RSBFs) have attracted widespread attention due to their good cryptographic properties. We present a new construction of RSBFs with optimal algebraic immunity on odd number of variables. The nonlinearity of the new function is much higher than other best known RSBFs with optimal algebraic immunity. The algebraic degree of the constructed n-variable RSBF can achieve the upper bound n-1 when n/2 is odd or when n/2 is a power of 2 for n >= 11. In addition, the constructed function can possess almost perfect immunity to fast algebraic attacks for n=11, 13, 15.
引用
收藏
页码:45 / 51
页数:7
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