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In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
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A Lossless-Recovery Secret Distribution Scheme Based on QR Codes.

Jeng-Shyang Pan1,2, Tao Liu1, Bin Yan3

  • 1College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China.

Entropy (Basel, Switzerland)
|May 16, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a novel visual cryptography scheme (VCS) for secure Quick Response (QR) code transmission. The method ensures error-free QR code recovery by distributing shares, enhancing data security.

Keywords:
ECCQR codeVCSsecure transmission

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Area of Science:

  • Cryptography
  • Information Security
  • Computer Science

Background:

  • Visual Cryptography Schemes (VCS) enhance secure data transmission by distributing secrets across multiple shares.
  • Quick Response (QR) codes are ubiquitous, necessitating robust security measures for their transmission.
  • Existing VCS for QR codes may struggle with error recovery.

Purpose of the Study:

  • To propose a novel visual cryptography scheme for secure and error-free recovery of QR codes.
  • To enhance the security of QR code transmission through a unique distribution mechanism.
  • To ensure lossless reconstruction of the secret QR code.

Main Methods:

  • A distribution mechanism based on error-correction codewords (ECC) is employed to divide QR codes into distinct areas or shares.
  • Each area of the QR code acts as a key and is distributed among 'n' shares.
  • Loss of any single share prevents normal reconstruction, ensuring security.

Main Results:

  • The proposed scheme enables lossless recovery of the secret QR code when all shares are combined.
  • Experimental results indicate the scheme is relatively safe and effective.
  • The method achieves error-free restoration of QR codes, overcoming limitations of previous schemes.

Conclusions:

  • The developed visual cryptography scheme is effective and feasible for secure QR code transmission.
  • The scheme provides a robust solution for error-free QR code recovery.
  • This approach enhances the security and reliability of QR code data sharing.