US Patent Issued to NTT Research on July 21 for "Fast attribute-based encryption with improved security" (California Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,510, issued on July 21, was assigned to NTT Research Inc. (Sunnyvale, Calif.).

"Fast attribute-based encryption with improved security" was invented by Doreen Riepel (San Diego) and Hoeteck Wee (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for key-policy attribute-based encryption. The method includes receiving a message to be encrypted, a master public key, and a set of attributes. A random integer s is sampled between 1 and a prime integer p, where p is established by a pairing-friendly curve comprising three groups of two source groups and one target group. Every attribute in the set is...