MUMBAI, India, Feb. 6 -- Intellectual Property India has published a patent application (202641006715 A) filed by Qunu Labs Private Limited, Bengaluru, Karnataka, on Jan. 23, for 'system and method for privacy-preserving deep packet inspection of encrypted network traffic.'
Inventor(s) include Ayan Chattopadhyay; Dr. Amit Kumar Chauhan; K Rajesh Kumar; Dilip Kumar Singh; and Sunil Kumar Gupta.
The application for the patent was published on Feb. 6, under issue no. 06/2026.
According to the abstract released by the Intellectual Property India: "Disclosed is a system and method for privacy-preserving deep packet inspection of encrypted network traffic. A client device 104 generates network packets and derives, using a cryptographic transformation technique, a network packet token based on packet attributes. A rule generator 102 associated with a server device 106 produces inspection rules compatible with DPI, ACL, IDS, IPS, or advanced DPI frameworks, and transforms each rule into an inspection rule token before transmitting the rule tokens to the server. The server receives 106 the packets, packet tokens, and rule tokens through a secure Virtual Private Network (VPN). A packet processing DPI (PP-DPI) unit 116 performs privacy-preserving matching between the network packet token and the inspection rule token and applies the corresponding rule action when a match is found, or a default action when no match exists. The VPN 108 ensures secure transport of packets and their associated cryptographic tokens between the client and server."
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