Employment of Synchronized Chaotic SHA256 Random Number Generators along with their Application in the Field of Image Encryption

Title:Employment of Synchronized Chaotic SHA256 Random Number Generators along with their Application in the Field of Image Encryption

Volume: 17

Author(s): Raveendra Muddineni, Krishanu Kundu*, U. Saravanakumar and Saam Prasanth Dheeraj Pedapalli

Affiliation:

• Dept. of Electronics & comm. Engg.,G.L.Bajaj Institute of Technology & Management, Greater Noida, India

Abstract: Background: Current work is associated with the deployment of synchronized chaotic Secure Hash Algorithm (SHA256) random number generators along with their application in image encryption.

Methods: This study aimed to design a perfect communication system to encrypt and decrypt the images via image processing. We introduced a new sliding mode scheme for master-slave fourdimensional (4D) Lorenz-Stenflo systems to deal with the synchronization problem. Then, a new synchronized dynamic secure hash algorithm (SHA-256) was implemented to generate the dynamic random numbers.

Results: An image encryption and decryption mechanism was implemented by using synchronized chaotic master-slave systems corresponding to the generated hash values. Here, the master systems were used for encryption, and the slave systems were responsible for the decryption mechanism. The complete design of this paper was implemented in a Python environment.

Conclusion: The demonstration of simulation results includes the state responses, strange attractors, and synchronization error responses of master-slave chaotic systems with appropriate switching functions and control input.

Cite this article as:

Muddineni Raveendra, Kundu Krishanu*, Saravanakumar U. and Dheeraj Pedapalli Saam Prasanth, Employment of Synchronized Chaotic SHA256 Random Number Generators along with their Application in the Field of Image Encryption, Recent Advances in Electrical & Electronic Engineering 2024; 17 () . https://dx.doi.org/10.2174/0123520965269595231108065832