TARU PUBLICATIONS
Journal of Discrete Mathematical Sciences and Cryptography cover
Open Access ·Peer-reviewed·ISSN (Online): 2169-0065·ISSN (Print): 0972-0529

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

Issues up to 2022 co-published with and available at:Taylor & Francis Online
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Open Access Research Article

Lightweight HECC-DWT-based secure image encryption with integrity verification and access control

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pp. 2175–2185Vol. 28Issue 5-BAugust 2025DOI: 10.47974/JDMSC-2433 Crossmark XML
Received:
05 Nov 2024
Published Online:
30 Aug 2025
Article type:
Research Article
Language:
EN
Article no.:
JDMSC-2433
Pages:
2175–2185

Abstract

This paper presents a secure and lightweight image encryption framework combining Hyperelliptic Curve Cryptography (HECC) and Discrete Wavelet Transform (DWT) for optical images. The proposed method begins with HECC-based key generation, ensuring efficient encryption using compact key sizes. The image undergoes ASCII conversion, followed by encryption using the recipient’s public key. To enhance security, DWT is applied, embedding encrypted data in the frequency domain, followed by inverse DWT reconstruction. SHA-2 hashing ensures integrity verification, preventing unauthorized modifications. Decryption is performed using HECC, restoring the original image upon hash verification. A Boolean search mechanism also enables efficient retrieval of encrypted images, while proxy re-encryption facilitates dynamic key updates. The proposed system ensures lightweight, secure, and efficient optical image encryption.

Keywords

Subject Classifications

94A60

References

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