Advanced combinatorial approaches for designing robust key distribution schemes in distributed cryptographic systems
Shilpy SinghShilpy.singh@niu.edu.inDepartment of Biotechnology and MicrobiologyNoida International UniversityGreater Noida, Uttar Pradesh, 203201, IndiaView full profile → , Manisha Chandnamanisha.chandna.orp@chitkara.edu.inCentre for Research Impact & OutcomeChitkara University Institute of Engineering and TechnologyChitkara UniversityRajpura, Punjab, 140401, India0009-0004-8300-9592View full profile → , Dinesh Goyaldinesh.ca@quantumeducation.inQuantum University Research CenterQuantum UniversityRoorkee, Uttarakhand, 247667, India0009-0004-3157-0695View full profile → , *Manni SruthiCorresponding authormanniSruthi2024@protonmail.comCentre for Multidisciplinary ResearchAnurag UniversityHyderabad, Telangana, 500088, India0009-0007-1580-465XView full profile → , Kumel K. Nagoriexam@gokuluniversity.ac.inFaculty of EngineeringGokul Global UniversitySidhpur, Gujarat, 384151, India0009-0009-7518-6528View full profile → , Tirukoti Sudha Ranisudharani.tirukoti@adityauniversity.inDepartment of Computer Science & EngineeringAditya UniversitySurampalem, Kakinada District, Andhra Pradesh, 533437, IndiaView full profile →
* Corresponding author · click or hover a name for details
- Received:
- 01 Apr 2026
- Published Online:
- 31 Oct 2026
- Article type:
- Research Article
- Language:
- EN
- Article no.:
- JDMSC-3079
- Pages:
- 4637–4646
Abstract
Distributed cryptography has scalable and robust key distribution systems which are resource and adversarial bound. Some of the complex combinatorial constructions of powerful key distribution schemes with incidence relations and algebraic constructions are suggested in this article. The proposed structure allocates node-key with combinatorial designs, which ensure deterministic connectivity and are also limited by small key storage overhead. Lightweight key agreement protocol is an extension of common combinatorial structures that are used to ensure secure pairwise communication without unnecessary exposure. The scheme is experimented with various network scale and attack conditions, demonstrating that the resilience to node capture and compromise effects is reduced by 28.6% than random redistribution of keys. The connectivity reliability is improved by 19.3% and the storage efficiency reduced by 22.4%. Positive secrecy guarantees and scale are validated through analysis and simulations. One of the contributions is the coalescence of the combinatorics theory with the realistic distributed security demands to enable effective and robust cryptography implementation.
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References
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