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Securing Beyond-5G Communications in Cloud Assisted IoT Ecosystems via Lightweight Encryption Techniques

International Journal of Electronics and Communication Engineering
© 2026 by SSRG - IJECE Journal
Volume 13 Issue 3
Year of Publication : 2026
Authors : S. Almelu, Prabhakar K, Sunitha T, Durga Devi A
10.14445/23488549/IJECE-V13I3P124
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How to Cite?

S. Almelu, Prabhakar K, Sunitha T, Durga Devi A, "Securing Beyond-5G Communications in Cloud Assisted IoT Ecosystems via Lightweight Encryption Techniques," SSRG International Journal of Electronics and Communication Engineering, vol. 13,  no. 3, pp. 301-311, 2026. Crossref, https://doi.org/10.14445/23488549/IJECE-V13I3P124

Abstract:

Faster speeds of Beyond-5G (B5G) communication technologies have allowed connectivity in Internet of Things (IoT) ecosystems on an unprecedented scale, although this progression has also increased existing security vulnerabilities by making most IoT devices resource-constrained. The main issue is to balance strong security with the low computing, memory, and power capabilities of IoT endpoints that cannot be effectively supported by conventional encryption algorithms such as RSA or AES. To deal with this, the suggested approach, Lightweight Encryption in Beyond-5G IoT Security (LEBIS), proposes specialized cryptographic algorithms that are optimized in low-resource settings, focusing on small code size, power usage, and resistance to side-channel and quantum attacks. LEBIS incorporates post-quantum cryptographic algorithms like lattice-based and hash based schemes with lightweight key management protocols, which guarantee the safety of communication without damaging the working of the devices. The results of the experiment have proven that LEBIS can establish a high level of data confidentiality and integrity, and in the process, the data encryption is enhanced, and real-time Internet of Things can be supported by up to 80% higher efficiency at practical throughputs. It concludes with the statement that LEBIS is capable of ensuring B5G-enabled Cloud Assisted IoT Ecosystems because it can converge lightweight cryptographic rigor with the harsh resource limitations of the IoT devices, and hence is a promising approach to ensure security in IoT systems in future smart pervasive environments. It is therefore a work that adds a scalable and adaptable method that is vital in the progression of trust to next-generation IoT networks.

Keywords:

Beyond-5G, Internet of Things, lightweight encryption, post-quantum cryptography, resource-constrained devices, IoT security.

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