ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,908, issued on July 15, was assigned to Nokia Technologies Oy (Espoo, Finland).
"Data privacy protection based polar coding" was invented by Kai Zhu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for data encryption and decryption. In example embodiments, a first cipher key and a second cipher key are obtained. The first cipher key comprises a vector of cipher elements, and the second cipher key comprises a set of indices corresponding to a subset matrix of a polarizing matrix. A cipher vector is generated by polar codi...