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Quantum cryptography beyond quantum key distribution.

Anne Broadbent1, Christian Schaffner2

  • 11Department of Mathematics and Statistics, University of Ottawa, Ottawa, Canada.

Designs, Codes, and Cryptography
|April 1, 2020
PubMed
Summary
This summary is machine-generated.

Quantum cryptography uses quantum mechanics for secure tasks beyond key distribution. This review explores theoretical aspects, constructions, and limitations for cryptographers new to quantum principles.

Keywords:
Conjugate codingDelegated quantum computationLimited-quantum-storage modelsQuantum moneyQuantum two-party computationSurvey

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Area of Science:

  • Quantum cryptography leverages quantum mechanics for secure information processing.
  • Explores applications beyond quantum key distribution (QKD).

Background:

  • Quantum key distribution (QKD) is a known application.
  • Quantum cryptography encompasses diverse tasks like quantum money and secure computation.
  • Addresses quantum adversary challenges and security models.

Purpose of the Study:

  • To survey theoretical quantum cryptography for a non-expert audience.
  • To emphasize constructions and limitations outside of QKD.

Main Methods:

  • Review of theoretical quantum cryptography.
  • Focus on constructions and limitations.

Main Results:

  • Identifies various applications of quantum cryptography.
  • Highlights challenges posed by quantum adversaries.
  • Discusses theoretical limitations and security models.

Conclusions:

  • Quantum cryptography offers a wide range of applications.
  • Understanding theoretical limitations is crucial for advancing the field.
  • This review provides a foundation for cryptographers entering quantum cryptography.