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VLSI Design
Volume 2014 (2014), Article ID 923618, 9 pages
Research Article

High Throughput Pseudorandom Number Generator Based on Variable Argument Unified Hyperchaos

1Department of Electronic Engineering, Dalian University of Technology, Gaoxinyuanqu Linggong Road 2, Dalian 116024, China
2School of Computer Science and Technology, Hulunbuir College, Xuefu Road, Hulunbuir 021008, China

Received 3 April 2014; Revised 16 June 2014; Accepted 16 June 2014; Published 7 July 2014

Academic Editor: Marcelo Lubaszewski

Copyright © 2014 Kaiyu Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper presents a new multioutput and high throughput pseudorandom number generator. The scheme is to make the homogenized Logistic chaotic sequence as unified hyperchaotic system parameter. So the unified hyperchaos can transfer in different chaotic systems and the output can be more complex with the changing of homogenized Logistic chaotic output. Through processing the unified hyperchaotic 4-way outputs, the output will be extended to 26 channels. In addition, the generated pseudorandom sequences have all passed NIST SP800-22 standard test and DIEHARD test. The system is designed in Verilog HDL and experimentally verified on a Xilinx Spartan 6 FPGA for a maximum throughput of 16.91 Gbits/s for the native chaotic output and 13.49 Gbits/s for the resulting pseudorandom number generators.