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Related Experiment Video

Updated: Jan 19, 2026

Hydrolysis of a Ni-Schiff-Base Complex Using Conditions Suitable for Retention of Acid-labile Protecting Groups
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Reducing file size and time complexity in secret sharing based document protection.

Yan-Xiao Liu1, Ya-Ze Zhang1, Ching-Nung Yang2

  • 1Department of Computer Science and Engineering, XI'AN University of Technology, XI'AN, China.

Mathematical Biosciences and Engineering : MBE
|September 11, 2019
PubMed
Summary
This summary is machine-generated.

This study enhances document protection using secret sharing. The new scheme reduces share size and speeds up document protection and reconstruction by combining inner codes and using a larger prime field.

Keywords:
Fermat Primedocument protectionsecret sharingshare size

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Last Updated: Jan 19, 2026

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Area of Science:

  • Cryptography
  • Information Security
  • Computer Science

Background:

  • Tu and Hsu proposed a secret sharing document protection scheme using Shamir's (k,n) secret sharing.
  • Their method encrypts documents into n shares tied to a cover document, requiring k shares for reconstruction.
  • The original scheme faced share size expansion issues with specific inner code lengths and computations in GF(257).

Purpose of the Study:

  • To develop an improved secret sharing-based document protection scheme.
  • To address the limitations of the Tu-Hsu scheme, specifically regarding share size and processing time.
  • To enhance efficiency and reduce storage requirements for secret sharing document protection.

Main Methods:

  • The proposed scheme combines two inner codes into a single double-byte inner code.
  • Computations for share generation are performed in GF(65537), a Fermat Prime (2^16 + 1).
  • This approach contrasts with the Tu-Hsu scheme's use of single-byte inner codes and GF(257).

Main Results:

  • The new scheme significantly reduces the share size compared to the Tu-Hsu method.
  • By processing half the number of combined inner codes, the scheme achieves nearly 50% reduction in running time for share generation.
  • Document reconstruction time is also substantially decreased due to the optimized processing.

Conclusions:

  • The enhanced secret sharing scheme offers improved efficiency and reduced storage.
  • The use of double-byte inner codes and computation in GF(65537) provides a more scalable solution for document protection.
  • This work presents a practical advancement in secure document sharing and data protection techniques.