AUTHENTICATION SYSTEM AND ENCRYPTION COMMUNICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide an authentication system and an encryption communication system for realizing a network access with high concealment and enhancing the security of a communication system with low concealment. SOLUTION: A user terminal generates a shared key by using a model number in use. In this case, the user terminal uses information exchanged by using a plurality of wireless communication paths of different types to generate the shared key and performs encryption by using the shared key. COPYRIGHT: (C)2005,JPO&NCIPI