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International Conference on Complex Systems (ICCS2006)

A Chaotic Cipher Mmohocc and Its Randomness Evaluation

Xiaowen Zhang
CS Dept., GSUC-CUNY, 365 5th Ave., NY, NY 10016, U.S.A.

Ke Tang
CS Dept., GSUC-CUNY, 365 5th Ave., NY, NY 10016, U.S.A.

Li Shu
Computer Science School, Sichuan University, 610065, China

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     Last modified: August 15, 2006

After briefly introducing a new chaotic stream cipher Mmohocc which utilizes the fundamental chaos characteristics of mixing, unpredictability, and sensitivity to initial conditions, we conducted the randomness statistical tests against the keystreams generated by the cipher. Two batteries of the most stringent randomness tests, namely the NIST Suite and the Diehard Suite, were performed. The results show that the keystreams successfully passed all of the statistical tests. We conclude that Mmohocc can generate high-quality pseudorandom numbers from a statistical hypothesis testing point of view.

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