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InfoResearchPeer-reviewed
Traceable Registered Functional Encryption for Unbounded Inner Product in Web Service Platforms
- Published
- Record updated
Summary
The authors present TRFE-UIP, a traceable registered functional encryption framework for unbounded inner product evaluation that avoids both fixed vector dimensions and indistinguishability obfuscation. A public black-box tracing mechanism identifies malicious leakers without decryption, and clients generate their own key pairs, registering through a transparent key curator. The concrete bilinear-pairing scheme reportedly reduces total computational cost by 96.4% against the mainstream scheme for message dimension up to 100 and 100 registered clients.