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Quasi-light Storage for Optical Data Packets
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Optical scheme for cryptographic commitments with physical unclonable keys.

Georgios M Nikolopoulos

    Optics Express
    |November 6, 2019
    PubMed
    Summary
    This summary is machine-generated.

    Multiple-scattering optical media offer a novel source of randomness for secure cryptographic commitments and auctions. This approach leverages existing technology for practical implementation in secure systems.

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    Area of Science:

    • Quantum Information Science
    • Optical Physics
    • Cryptography

    Background:

    • Randomness is crucial for secure cryptographic protocols.
    • Traditional sources of randomness can be vulnerable to manipulation.
    • Optical phenomena offer potential for generating unpredictable random numbers.

    Purpose of the Study:

    • To explore the use of multiple-scattering optical media as a source of randomness.
    • To develop a cryptographic commitment protocol based on optical randomness.
    • To assess the security of the proposed protocol in a trusted setup.

    Main Methods:

    • Utilizing standard wavefront-shaping techniques.
    • Employing heterodyne-detection for signal measurement.
    • Analyzing security within a tamper-resistant trusted setup framework.

    Main Results:

    • Demonstrated the feasibility of using multiple-scattering optical media for randomness generation.
    • Proposed a commitment protocol with potential for practical implementation.
    • Established a security analysis for the protocol.

    Conclusions:

    • Multiple-scattering optical media represent a viable resource for cryptographic randomness.
    • The proposed commitment protocol is implementable with current technology.
    • The protocol's security is robust within a trusted setup environment.