Volume 17, Issue 40 (Mathematic- 2015)
2015, 17(40): 13-36 |
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Khadem B, Daneshgar A, Mohebbipoor F. A Stream Cipher based on chaotic permutations. Journal title 2015; 17 (40) :13-36
URL: http://jsci.khu.ac.ir/article-1-2034-en.html
URL: http://jsci.khu.ac.ir/article-1-2034-en.html
1- PhD Student
2- Sharif University of Technology
2- Sharif University of Technology
Abstract: (6516 Views)
In this paper we introduce a word based stream cipher consisting of a chaotic part operating as a chaotic permutation and a linear part, both of which designed on a finite field. We will show that this system can operate in both synchronized and self-synchronized modes. In particular, we show that in the self-synchronized mode the stream cipher has a receiver operating as an unknown input observer.
In addition we evaluate the statistical uniformity of the output and we also show that the system in the self-synchronized mode is much faster and lighter for implementation compared to similar self-synchronized systems with equal key size.
In addition we evaluate the statistical uniformity of the output and we also show that the system in the self-synchronized mode is much faster and lighter for implementation compared to similar self-synchronized systems with equal key size.
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