Addressing quantum threats to cryptographic security systems with advanced quantum-resistant algorithms

Thakur, Sunil; Yadav, Lowlesh; Punj, Kanwar Tushar; Sood, Yamini; Bhosale, Varsha Kiran; Swarnkar, Suman Kumar

doi:10.47974/JDMSC-2534

Open Access Research Article

Addressing quantum threats to cryptographic security systems with advanced quantum-resistant algorithms

Sunil Thakursunil.thakur@niu.edu.inDepartment of School of Engineering & TechnologyNoida International UniversityGreater Noida, Uttar Pradesh, 203201, IndiaView full profile → , Lowlesh Yadavlowlesh.yadav@gmail.comDepartment of Computer Science and EngineeringTulsiramji Gaikwad-Patil College of Engineering and TechnologyNagpur, Maharashtra, 441108, IndiaView full profile → , ^*Kanwar Tushar PunjCorresponding authorpunj93@gmail.comDepartment of Computer Science and EngineeringBadhaniSri Sai College of Engineering and TechnologyPathankot, Punjab, 145021, IndiaView full profile → , Yamini Soodyaminisood1987@gmail.comDepartment of computer science and EngineeringSri Sai UniversityPalampur, Himachal Pradesh, 176081, IndiaView full profile → , Varsha Kiran Bhosalevkbhosale21@gmail.comSonavadi-Gajavadi SataraDynashree Institute of Engineering and TechnologyMaharashtra, 415013, IndiaView full profile → , Suman Kumar Swarnkarsumanswarnkar17@gmail.comDepartment of Computer Science and EngineeringShri Shankaracharya Institute of Professional Management and TechnologyRaipur, Chhattisgarh, 492015, IndiaView full profile →

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pp. 839–847Vol. 29Issue 2-BFebruary 2026DOI: 10.47974/JDMSC-2534 Crossmark XML

Received:: 09 Apr 2025
Published Online:: 31 Dec 2025
Article type:: Research Article
Language:: EN
Article no.:: JDMSC-2534
Pages:: 839–847

Abstract

The fact that modern cryptographic systems are susceptible to a significant attack from quantum computing which solves complex mathematical problem exponentially faster than the classical scheme of computers makes the present situation a dangerous one. Legacy encryption methods including RSA, ECC, and AES that are the heart of secure communication are especially susceptible to quantum attacks such as Shor’s and Grover’s algorithms. To mitigate this potential threat, this research puts forth state of the art quantum-resistant technologies inclusive of lattice based cryptography and hash based signature solutions. The Lattice-Hash Hybrid method that is proposed, improves security by exploiting the computational intractability of lattice problems and the collision resistance of the hash functions, making it very hard to crack the system using quantum decryption algorithms. In the study, a comparative analysis of the proposed method with traditional lattice-based, hash-based and code-based cryptographic methods is performed. Experimental results suggest that the proposed algorithm features better encryption speed, decreased decryption latency, and increased security level as compared with the current state of the art. The results emphasize the need for the implementation of cutting edge electronic cryptography strategies to protect integrity and confidentiality of data in the days to come within the context of quantum computing. Further research will concentrate on optimizing the proposed techniques further and bringing them to real-world deployment.

Keywords

Quantum-resistant algorithms Cryptographic security Lattice-based cryptography Hash-based signatures

Subject Classifications

Primary 93A30Secondary 49K15

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