MUMBAI, India, Feb. 27 -- Intellectual Property India has published a patent application (202641018232 A) filed by Mrs. R. Sudha; and Dr. V. E. Sasikala, Chennai, Tamil Nadu, on Feb. 18, for 'implementation of semi star pre star connected components in cryptography.'

Inventor(s) include Mrs. R. Sudha; and Dr. V. E. Sasikala.

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 proposed invention introduces a novel cryptographic system that integrates generalized topological concepts with matrix-based encryption techniques to ensure secure data transmission. The system utilizes semi star pre star (S*P*) connected components derived from finite topological spaces as the basis for cryptographic key generation. These connected components are transformed into numerical vectors and assembled into a non-singular encoding matrix, which serves as the encryption key. Plaintext messages are converted into numerical form and encrypted through matrix multiplication with the encoding matrix, while decryption is achieved using the inverse of the same matrix. The method ensures reversibility, mathematical robustness, and enhanced security by embedding topological structure into cryptographic operations. The invention departs from traditional number-theoretic cryptography by incorporating topological connectedness, thereby increasing resistance to cryptanalysis. The system is computationally efficient, adaptable, and suitable for secure communication, educational cryptography, and interdisciplinary research applications."

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