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AES Based White Box Cryptography in Digital Signature Verification.

Piyush Kumar Shukla1, Amer Aljaedi2, Piyush Kumar Pareek3

  • 1Department of Computer Science & Engineering, University Institute of Technology (UIT), Rajiv Gandhi Proudyogiki Vishwavidyalaya (RGPV), Technological University of Madhya Pradesh, Bhopal 462033, Madhya Pradesh, India.

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Summary
This summary is machine-generated.

This study assesses white-box cryptography implementations against black box attacks. It introduces a theoretical model for white-box cryptography (WBC) and analyzes its security for applications like Digital Signature Algorithm (DSA).

Keywords:
AESattackdigital signaturewhite box cryptography

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Area of Science:

  • Cryptography and Information Security
  • Computer Science
  • Theoretical Computer Science

Background:

  • Standard cryptographic paradigms protect sensitive information against black box attacks where adversaries analyze inputs/outputs but not internal implementation.
  • White-box solutions aim to secure cryptographic primitives within an execution environment where attackers may have unrestricted access.

Purpose of the Study:

  • To assess the security efficiency of practical white-box implementations.
  • To analyze the theoretical foundations of white-box approaches.
  • To develop a formal theoretical model for white-box cryptography (WBC) due to the lack of prior definitions and security assurances.

Main Methods:

  • Crafting a research proposal for white-box applications of DES and AES encryption algorithms.
  • Performing cryptanalysis on these encryption techniques.
  • Developing a formal definition of WBC by studying formal models of obfuscation and shown security.
  • Investigating the security of white-box implementations using the developed theoretical model.

Main Results:

  • Exploration of practical white-box implementations and their underlying theoretical principles.
  • Development of a state-of-the-art theoretical model for WBC.
  • Inclusion of results from a Digital Signature Algorithm (DSA) study applicable to real-world signature verification.

Conclusions:

  • The developed theoretical model provides a framework for investigating the security of white-box implementations, yielding both positive and negative findings.
  • The research lays groundwork for future applications of White Box Cryptography (WBC) findings in areas like signature verification.