MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202621070809 A) filed by Hemant Nandkishor Watane; Ripon Patgiri; Naresh Kumar Bathala; Dr. Panem Charanarur; Dr. B. M. S. Rani; Papolu Balakrishna; Divyasree Mikkili; Dr. Kalpesh Rasiklal Rakholia; Dr. Sivakumar Ponnusamy; Dr. Jignesh Hirapara; Ms. Meena Kumari Bugatha N; and Ms. Garima Jain on June 06, 2026, for A Quantum-Resistant Cryptographic Communication System Using Post-Quantum Encryption Algorithms.

Inventors include Hemant Nandkishor Watane; Ripon Patgiri; Naresh Kumar Bathala; Dr. Panem Charanarur; Dr. B. M. S. Rani; Papolu Balakrishna; Divyasree Mikkili; Dr. Kalpesh Rasiklal Rakholia; Dr. Sivakumar Ponnusamy; Dr. Jignesh Hirapara; Ms. Meena Kumari Bugatha N; and Ms. Garima Jain.

The application for the patent was published on July 31, 2026, under issue no. 31/2026.

Abstract: The present invention relates to a quantum-resistant cryptographic communication system employing post-quantum encryption algorithms for securing digital communication against both classical and quantum computational attacks. The invention provides an advanced communication security framework capable of protecting sensitive information transmitted across distributed digital environments including cloud computing systems, Internet of Things (IoT) networks, financial infrastructures, healthcare platforms, industrial automation systems, blockchain ecosystems, and defence communication networks. The proposed system comprises a sender module, receiver module, cryptographic processing engine, post-quantum key generation module, adaptive encryption management unit, secure authentication subsystem, communication interface layer, and threat monitoring module. The cryptographic processing engine utilizes post-quantum cryptographic algorithms including lattice-based, hash-based, code-based, multivariate polynomial, or hybrid encryption techniques to ensure secure data transmission and authentication. The post-quantum key generation module establishes secure public-private key pairs resistant to quantum-enabled cryptanalysis techniques such as Shor’s and Grover’s algorithms. The adaptive encryption management unit dynamically selects suitable encryption mechanisms based on device capability, communication sensitivity, computational resources, and network conditions. The threat monitoring module continuously analyses communication activities to detect anomalies and unauthorized access attempts while enhancing system resilience against evolving cyber threats. The proposed invention further supports interoperability with existing communication infrastructures and enables gradual migration from conventional cryptographic systems toward quantum-resistant security frameworks. The invention reduces computational overhead, improves scalability, and enhances long-term cybersecurity resilience for next-generation communication ecosystems operating in the emerging quantum computing era.

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