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Journal of Discrete Mathematical Sciences and Cryptography cover

Journal of Discrete Mathematical Sciences and Cryptography

(Since 1998)
Hybrid ·Peer-reviewed·ISSN (Online): 2169-0065·ISSN (Print): 0972-0529

CiteScore 2025: 2.7 (Q1)

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Monthly Journal: Publishes theoretical and applied research in all areas of Discrete Mathematical Sciences, Cryptography, Combinatorics, Elliptic Curves and Information Security.

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Journal of Discrete Mathematical Sciences and Cryptography
Open Access Research Article

Secure chaotic cryptography for optical image encryption in pervasive devices using Lorenz-based DRPE, hybrid RSA-AES, and blockchain trust anchoring

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pp. 3025–3037Vol. 28Issue 8December 2025DOI: 10.47974/JDMSC-2464 Crossmark XML
Received:
10 Jun 2025
Published Online:
08 Dec 2025
Article type:
Research Article
Language:
EN
Article no.:
JDMSC-2464
Pages:
3025–3037

Abstract

In this paper, we propose a secure and scalable optical image encryption framework for pervasive computing environments by integrating chaotic cryptography, hybrid RSA-AES encryption, and blockchain-based trust anchoring. The system leverages Lorenz-based Double Random Phase Encoding (DRPE) to generate high-entropy chaotic masks for robust optical encryption. A hybrid cryptographic layer is employed, where the DRPE-encrypted image is secured using AES, and the session key is protected via RSA. Device enrolment, key authentication, and transaction logging are managed through smart contracts on a blockchain network, ensuring traceability and trust. Inter-device communication and storage are optimized using IPFS for decentralized access. Experimental results demonstrate the scheme’s resilience against statistical, brute-force, and differential attacks, making it well-suited for privacy-preserving image transmission in resource-constrained pervasive devices.

Keywords

Chaotic cryptographyCryptography-based innovationOptical image encryptionDouble random phase encoding (DRPE)Lorenz chaotic mapRSA-AES hybrid encryptionBlockchainSecure communication systemsPervasive computingIPFSImage security

Subject Classifications

Primary 93A30Secondary 49K15

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