MUMBAI, India, Jan. 2 -- Intellectual Property India has published a patent application (202541125289 A) filed by B V Raju Institute Of Technology; Maravarman M; and R. Pitchai, Narsapur, Telangana, on Dec. 11, 2025, for 'quantum-resilient ephemeral physio-topology authentication (qrepta) for wireless sensor networks.'

Inventor(s) include B V Raju Institute Technology; Maravarman M; and R. Pitchai.

The application for the patent was published on Jan. 2, under issue no. 01/2026.

According to the abstract released by the Intellectual Property India: "The invention provides a novel, quantum-resilient, keyless authentication system for wireless sensor networks termed QREPTA. The system generates short-lived ephemeral authentication tokens derived from physical-layer turbulence, environmental noise entropy, and local topology micro-patterns. A lightweight Neuro-Fuzzy Temporal Correlation Engine processes these parameters into tokens that mutate every few seconds, eliminating the need for key storage or cryptographic operations. Data confidentiality is achieved using a token-derived XOR masking method. The system is inherently resistant to cloning, replay, and quantum attacks, offering a highly secure and efficient solution for constrained WSN environments."

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