Authentication encryption device, authentication decryption device, authentication encryption method, authentication decryption method, and storage medium

• Main Author: Mukai, Akiko
• Format: Patent
• Language: English
• Published: 01.10.2024
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

An authentication encryption device generates a mask sequence having, as an element, multiplication, in a Galois field, of a basic mask and a primitive element raised to power of an exponent. The basic mask is defined based on an initialization vector, a secret key, and a constant. The primitive ele...