US Patent Issued to NEC on June 17 for "Encryption terminal, encryption management device, encrypted communication system, and method" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,386, issued on June 17, was assigned to NEC Corp. (Tokyo).

"Encryption terminal, encryption management device, encrypted communication system, and method" was invented by Hiroyuki Toyama (Tokyo) and Misao Ishihara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encryption terminal includes a terminal communication unit that receives an encryption algorithm for creating ciphertext from plaintext, the encryption algorithm being encrypted using a first one-time key in a one-time pad method, a terminal storage unit that stores a key table containing a second one-time key corresponding to the first one-time key, and a decryption unit that decryp...