Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2004-12-10
Nonlinear Sciences
Chaotic Dynamics
to be published in Journal of Signal Processing
Scientific paper
We shall review the cellular automaton(CA)-based pseudorandom-number generators (PRNGs), and show that one of these PRNGs can generate high-quality random numbers which can pass all of the statistical tests provided by the National Institute of Standards and Technology (NIST). A CA is suitable for hardware implementation. We demonstrate that the CA-based stream cipher, which is implemented in the field-programmable gate arrays (FPGA), has a high encryption speed in a real-time video encryption and decryption system.
Kim Song-Ju
Umeno Ken
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