US Patent Issued to NEC on Nov. 4 for "Authentication system, authenticatee apparatus, authenticator apparatus, authentication method, and authentication program" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,793, issued on Nov. 4, was assigned to NEC Corp. (Tokyo).

"Authentication system, authenticatee apparatus, authenticator apparatus, authentication method, and authentication program" was invented by Hiroto Tamiya (Tokyo), Toshiyuki Isshiki (Tokyo), Kengo Mori (Tokyo), Haruna Fukuda (Tokyo) and Masahiro Nara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An authentication system transmits a ciphertext of authentication information from an authenticatee apparatus to an authenticator apparatus using homomorphic encryption with a public key encryption scheme, the authenticator apparatus issues a first random number to the authenticatee apparatus, ...