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Linear complexity of sequences produced by single cycle T-function |
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| Authors: | WANG Yan HU Yu-pu LI Shun-bo YANG Yang Key Laboratory of Computer Networks Information Security Ministry of Education Xidian University Xi'an China |
| Affiliation: | WANG Yan1,2,HU Yu-pu1,LI Shun-bo1,YANG Yang1 1.Key Laboratory of Computer Networks and Information Security,Ministry of Education,Xidian University,Xi'an 710071,China 2.Department of Mathematics,Xi'an University of Architecture and Technology,Xi'an 710055,China |
| Abstract: | Four kinds of sequences generated by single cycle triangular function(T-function)are investigated to check the possibility for a single cycle T-function to be a cryptographic component in stream ciphers.Based on the special properties of single cycle T-function and an algorithm due to Wei,linear complexities of these four kinds of sequence are all acquired.The results show that single cycle T-function sequences have high linear complexity.Therefore,T-function satisfies the essential requirements being a bas... |
| Keywords: | stream cipher single cycle T-function linear complexity |
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