Obtaining Data Authentication And Security (Privacy Preservation) Maintenance In Data Markets

Computer Engineering

As a significant business paradigm, many online information platforms have emerged to satisfy society’s needs for person-specific data, where a service provider collects raw data from data contributors, and then offers value-added data services to data consumers. How- ever, in the data trading layer, the data consumers face a pressing problem, i.e., how to ver- ify whether the service provider has truthfully collected and processed data? Furthermore, the data contributors are usually unwilling to reveal their sensitive personal data and real identities to the data consumers. This system has the TPDM, which efficiently integrates Truthfulness and Privacy preservation in Data Markets. TPDM is structured internally in an Encrypt-then-Sign fashion, using partially homomorphic encryption and identity-based signature.

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