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Minimal Block Knight's Tour and Edge with LSB Pixel Replacement Based Encrypted Image Steganography.

B S Shashikiran1, K Shaila1, K R Venugopal2

  • 1Department of Electronics and Communication Engineering, Vivekananda Institute of Technology, Bengaluru, Karnataka India.

SN Computer Science
|March 22, 2021
PubMed
Summary

This study introduces a novel image security method using the Knight's Tour Algorithm for encryption and steganography. The technique ensures robust data protection with high-quality results, enhancing digital information security.

Keywords:
Crypto-StegoCryptographyKnight’s tourPSNRSSIMSteganography

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Area of Science:

  • Computer Science
  • Information Security
  • Cryptography

Background:

  • Data security is crucial in the digital age, with cryptography and steganography as key solutions.
  • Existing methods require enhancement for robust image security and data protection.

Purpose of the Study:

  • To propose a novel algorithm for image encryption and steganography using the Knight's Tour Algorithm.
  • To enhance data security and robustness in digital images.

Main Methods:

  • Image encryption using a 5x5 Knight's Tour pattern for block shuffling.
  • Embedding the encrypted image into a cover image to create a crypto-stego image.

Main Results:

  • The proposed algorithm achieves high data security and robustness.
  • The method demonstrates good Peak Signal-to-Noise Ratio (PSNR) and Structural Similarity Index (SSIM) values.

Conclusions:

  • The Knight's Tour Algorithm offers an effective approach for secure image encryption and steganography.
  • The developed crypto-stego image technique provides a promising solution for protecting sensitive image data.