US Patent Issued to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES on May 27 for "Method for multi-user confidential querying of the presence of a record in a database" (French Inventors)

Posted On: 2025-06-17

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,270, issued on May 27, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Method for multi-user confidential querying of the presence of a record in a database" was invented by Aymen Boudguiga (Gif-sur-Yvette, France), Renaud Sirdey (Gif-sur-Yvette, France), Oana Stan (Gif-sur-Yvette, France) and Martin Zuber (Gif-sur-Yvette, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for confidentially querying the presence of a record in a database hosted by a server, the records being stored in the database in the form of digital footprints obtained by hashing a record by a public hash function. The footpr...

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US Patent Issued to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES on May 27 for "Method for multi-user confidential querying of the presence of a record in a database" (French Inventors)