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Related Experiment Video

Updated: Jun 27, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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Software implementation of systematic polar encoding based PKC-SPE cryptosystem for quantum cybersecurity.

Ritu Redhu1, Ekta Narwal1, Shivani Gupta2

  • 1Department of Mathematics, Maharshi Dayanand University, Rohtak, 124001, India.

Scientific Reports
|May 1, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a novel quantum-resistant cryptosystem, Public Key Cryptosystem based on Systematic Polar Encoding (PKC-SPE). The new system offers reduced key sizes, demonstrating its potential for secure communication in the quantum computing era.

Keywords:
AWGN channelPQCPolar codesPublic key cryptosystem

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Area of Science:

  • Cybersecurity
  • Quantum Computing
  • Cryptography

Background:

  • The rapid advancement of quantum computing poses significant threats to current cybersecurity measures.
  • There is a critical need for quantum-resistant cryptographic systems to ensure data security.

Purpose of the Study:

  • To introduce and evaluate a novel public-key cryptosystem resistant to quantum computing threats.
  • To explore the application of systematic polar encoding in developing secure cryptographic solutions.

Main Methods:

  • Development and implementation of the Public Key Cryptosystem based on Systematic Polar Encoding (PKC-SPE) using MATLAB.
  • Analysis of key generation, encryption, and decryption algorithms.
  • Assessment of efficiency through key size, computational complexity, and implementation timings.

Main Results:

  • The PKC-SPE cryptosystem demonstrates reduced key sizes compared to the PKC-PC cryptosystem (0.8436 kbytes).
  • Simulations validate the effectiveness and efficiency of the proposed cryptosystem.
  • Systematic polar encoding proves adaptable and efficient for public-key cryptography.

Conclusions:

  • The PKC-SPE cryptosystem is a promising candidate for securing digital communications in the quantum computing era.
  • The proposed system shows potential for integration into real-world communication systems, enhancing quantum security.