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Chaotic laser based physical random bit streaming system with a computer application interface.

Susumu Shinohara, Kenichi Arai, Peter Davis

    Optics Express
    |April 7, 2017
    PubMed
    Summary
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    This study presents a chaotic laser random bit streaming system, achieving 4 Gbps throughput for personal computers. Real-time bias reduction ensures a reliable supply of high-quality physical random bits.

    Area of Science:

    • Physics
    • Information Technology
    • Cybersecurity

    Background:

    • Random number generation is crucial for cryptography and simulations.
    • Existing methods may face limitations in speed or true randomness.
    • Physical entropy sources offer a path to genuine randomness.

    Purpose of the Study:

    • To develop and validate a high-throughput random bit streaming system.
    • To utilize a chaotic laser as a physical entropy source.
    • To ensure the statistical quality and reliability of generated random bits.

    Main Methods:

    • Implemented a chaotic laser as the physical entropy source.
    • Employed real-time bit manipulation for bias reduction.
    • Utilized the NIST SP800-22 test suite for statistical validation.

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  • Monitored system operation for long-term stability.

    • Main Results:

    • Achieved a random bit streaming throughput of up to 4 Gbps.
    • Demonstrated a NIST SP800-22 test suite pass rate of 65%-75%.
    • Confirmed stable system operation with long-term bias monitoring.

    Conclusions:

    • The chaotic laser system provides a reliable source of high-throughput physical random bits.
    • The end-to-end entropy source model effectively describes the conversion of physical entropy to bit entropy.
    • The system meets the statistical quality requirements for a dependable random bit generator.