MUMBAI, India, Feb. 27 -- Intellectual Property India has published a patent application (202641017466 A) filed by Vallurupalli Nageswara Rao Vignana Jyothi Institute Of Engineering And Technology, Hyderabad, Telangana, on Feb. 17, for 'a novel approach to implementing chacha20 encryption for mitigating distributed denial of servive (ddos) attacks in defense network architectures.'

Inventor(s) include Sudheer Nidamanuri; K Harsha Vardhan Chowdary; Ch Sushanth Kumar; A Prajanya; and K Sushmitha.

The application for the patent was published on Feb. 27, under issue no. 09/2026.

According to the abstract released by the Intellectual Property India: "The present invention discloses a dynamic cyber defense architecture based on Moving Target Defense (MOTAG) integrated with an optimized ChaCha20 encryption mechanism for mitigating Distributed Denial of Service (DDoS) attacks in defense network environments. The system employs an authentication server that dynamically assigns clients to proxy servers using a greedy proxy shuffling algorithm, thereby continuously altering network exposure points and preventing attackers from targeting a fixed endpoint. Proxy servers perform real-time traffic validation, anomaly detection, and malicious request filtering before forwarding legitimate traffic to an isolated application server. The invention further incorporates an enhanced ChaCha20 execution pipeline (version 1.1) that improves encryption throughput, reduces latency, and lowers computational overhead while maintaining cryptographic strength. A monitoring and analytics module provides real-time visualization of proxy behavior, attack frequency, and system performance. The modular and scalable architecture ensures service availability, backend protection, and secure communication across cloud, enterprise, IoT, and defense communication infrastructures."

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