Chaos-based true random number generators

被引：31
作者：
Bonilla L.L. [1 ]
Alvaro M. [1 ]
Carretero M. [1 ]
机构：
[1] Gregorio Millán Institute for Fluid Dynamics, Nanoscience and Industrial Mathematics, Universidad Carlos III de Madrid, Avenida de la Universidad 30, Leganés
来源：
Journal of Mathematics in Industry | / 7卷 / 1期
关键词：
deterministic and stochastic chaos; random bit generator; semiconductor superlattice;
D O I：
10.1186/s13362-016-0026-4
中图分类号：
学科分类号：
摘要：
Random number (bit) generators are crucial to secure communications, data transfer and storage, and electronic transactions, to carry out stochastic simulations and to many other applications. As software generated random sequences are not truly random, fast entropy sources such as quantum systems or classically chaotic systems can be viable alternatives provided they generate high-quality random sequences sufficiently fast. The discovery of spontaneous chaos in semiconductor superlattices at room temperature has produced a valuable nanotechnology option. Here we explain a mathematical model to describe spontaneous chaos in semiconductor superlattices at room temperature, solve it numerically to reveal the origin and characteristics of chaotic oscillations, and discuss the limitations of the model in view of known experiments. We also explain how to extract verified random bits from the analog chaotic signal produced by the superlattice. © 2016, Bonilla et al.
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