基于均勻化混沌系統(tǒng)生成S盒的算法研究
doi: 10.11999/JEIT160535
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1.
(北京科技大學數(shù)理學院 北京 100083) ②(廈門大學嘉庚學院信息科學與技術(shù)學院 漳州 363105)
基金項目:
國家自然科學基金(61170037)
Research on Algorithm of Generating S-box Based on Uniform Chaotic System
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1.
(School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China)
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2.
(School of Information Science and Technology, Xiamen University Tan Kah Kee College, Zhangzhou 363105, China)
Funds:
The National Natural Science Foundation of China (61170037)
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摘要: 該文給出了一個新的二次多項式混沌系統(tǒng),并利用系統(tǒng)與Tent映射拓撲共軛的性質(zhì),給出了系統(tǒng)的概率密度函數(shù),基于概率密度的形式,進一步設計了一個變換函數(shù),實現(xiàn)了系統(tǒng)的均勻化。針對均勻化前后的混沌系統(tǒng)構(gòu)造了S盒生成算法,對該算法產(chǎn)生的300個S盒進行差分概率(DP)和線性概率(LP)的統(tǒng)計分析,結(jié)果表明均勻化后混沌系統(tǒng)產(chǎn)生的S盒的DP和LP略優(yōu)于均勻化前的值。
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關(guān)鍵詞:
- 混沌系統(tǒng) /
- 均勻化 /
- 拓撲共軛 /
- S盒
Abstract: A new quadratic polynomial chaotic system is given and homogenized based on its probability density function. Then, based on the chaotic systems before and after homogenization, an S-box generation algorithm is constructed. By numerical simulation, the algorithm dynamically generates 300 S-boxes and then analyses their Differential Probability (DP) and Linear Probability (LP). The statistical results show that the uniform chaotic system can produce better performance of S-boxes.-
Key words:
- Chaotic system /
- Homogenization /
- Topological conjugation /
- S-box
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