Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2008-01-25
Nonlinear Sciences
Chaotic Dynamics
13 pages, 5 figures, 3 tables
Scientific paper
Pseudo-Random Bit Generation (PRBG) is required in many aspects of cryptography as well as in other applications of modern security engineering. In this work, PRBG based on 2D symmetrical chaotic mappings of logistic type is considered. The sequences generated with a chaotic PRBG of this type, are statistically tested and the computational effectiveness of the generators is estimated. Considering this PRBG valid for cryptography, the size of the available key space is also calculated. Different cryptographic applications can be suitable to this PRBG, being a stream cipher probably the most immediate of them.
López-Ruiz Ricardo
Pellicer-Lostao Carmen
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