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1. 长春理工大学 理学院,吉林 长春 130022,E-mail:lsl@nenu.edu.cn
2. 长春中医药大学,吉林 长春 130117
3. 东北师范大学 物理学院,吉林 长春,130024
收稿日期:2009-05-17,
修回日期:1900-01-02,
网络出版日期:2009-12-30,
纸质出版日期:2009-12-30
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张 玲;杨晓利;梁士利. 基于混沌链C细胞自动机的加密方法研究[J]. 液晶与显示, 2009,24(6): 879-881
ZHANG Ling;YANG Xiao-li;LIANG Shi-li. Encryption Based on Chain-Rules Cellular Automata[J]. 液晶与显示, 2009,24(6): 879-881
提出一种基于混沌细胞自动机的分组密码算法
采用固定边界条件下反向加密正向解密的Feistel迭代方式
计算机模拟的实验结果证明:该算法在固定密钥的密文差错扩散率和固定明文的密文差错扩散率接近50%
可有效对抗差分攻击、穷举明文和穷举密钥攻击。
This paper presents a block cipher algorithm based on the chain-rules CA
which is by means of iterating cellular automata backward-to-encryption and forward-to-decryption at a fixed boundary. The results show the error propagation of ciphertext with an unchanged key and ciphertext with an unchanged plaintext is close to 50%. This cryptosystem can resist known-plaintext attack and known- ciphertext attack.
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. Langton C G.Computation at the edge of chaos:Phase transitions and emergent computation [J]. Physica,1990,42:12-37.
. Wuensche A, Lesser M J. The Global Dynamics of Cellular Automata; An Atlas of Basin of Attraction Fields of One-dimensional Cellular Automata [M].California, USA:Addison-Wesley, Publishing Company,1992.
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