MUMBAI, India, July 30 -- Intellectual Property India has published a patent application (202611089016 A) filed by Nit Durgapur on July 21, 2026, for Functional Encryption Enabled Device For Privacy-Preserving Multiparty Computation.
Inventors include Dr. Jaydeep Howlader; and Rahat Naz.
The application for the patent was published on July 24, 2026, under issue no. 30/2026.
Abstract: A functional-encryption-enabled device performs multiparty computation while concealing participant inputs and a registered function. The device includes processing, memory and communication circuitry; distributed key-generation, input-protection, secret-sharing, function-obfuscation, multiparty-computation, protected transition- execution and functional-decryption components. A setup operation generates a master public key and a master secret key, and the master secret key is divided among key-generation nodes. Participant inputs are encrypted and processed through protected additive and multiplicative operations. The registered function is converted into an obfuscated finite-state-machine, pushdown-automaton or Turing-machine representation having protected states and transitions. Distributed key contributions generate a function-specific key, and functional decryption releases only the authorised value of the registered function. A blockchain-oriented embodiment determines computational-resource or gas values for protected operations. The device thereby avoids plaintext consolidation and protects both input data and function logic during distributed computation. Accompanied Drawing [FIGS. 1-7]
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