US Patent Issued to AXELL on April 21 for "Encryption processing apparatus and encryption processing method" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,808, issued on April 21, was assigned to AXELL Corp. (Tokyo).

"Encryption processing apparatus and encryption processing method" was invented by Yusuke Hoshizuki (Tokyo) and Kotaro Matsuoka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encryption processing apparatus processes a ciphertext. The ciphertext is a fully homomorphic cyphertext that has, as a plaintext associated with an integer, a value obtained by adding an error with a predetermined variance to a predetermined value and that is able to be subjected to a predetermined operation between integers without being decrypted. The apparatus includes a processor that performs a calcu...