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Related Concept Videos

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Multi-Image Encryption Algorithm Based on Cascaded Modulation Chaotic System and Block-Scrambling-Diffusion.

Ting Wang1, Bin Ge1, Chenxing Xia1

  • 1College of Computer Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China.

Entropy (Basel, Switzerland)
|August 26, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces a novel cascade modulation chaotic system (CMCS) for enhanced multi-image encryption. The proposed block-scrambling-diffusion algorithm offers robust security against various attacks.

Keywords:
bit-group diffusionblock-scrambling-diffusioncascade modulation chaotic systemdouble scrambling mechanismmulti-image encryption

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Area of Science:

  • Cryptography
  • Information Security
  • Applied Mathematics

Background:

  • Existing single chaotic map encryption algorithms suffer from poor security.
  • There is a need for more robust multi-image encryption techniques.

Purpose of the Study:

  • To propose a cascade modulation chaotic system (CMCS) for generating multiple chaotic maps.
  • To develop a secure multi-image encryption algorithm utilizing CMCS.

Main Methods:

  • A novel cascade modulation chaotic system (CMCS) was developed.
  • A multi-image encryption algorithm incorporating block-scrambling-diffusion was designed.
  • Key generation involved SHA-512 and random sequences, followed by double scrambling, bit-level diffusion, and hexadecimal addition/subtraction rules.

Main Results:

  • The proposed algorithm demonstrated effective image confusion and diffusion.
  • Experimental results confirmed a good encryption effect.
  • The algorithm proved resistant to various potential attacks.

Conclusions:

  • The CMCS-based multi-image encryption algorithm provides enhanced security.
  • The block-scrambling-diffusion strategy effectively protects image data.
  • The proposed method offers a robust solution for secure image encryption.