Patent ID: 8380980

Claim:
An encryption system in a mobile Worldwide Interoperability for Microwave Access (WiMAX) network system, the mobile Microwave Access (WiMAX) network system comprising: a radio access station in wireless Internet communication with a mobile station; an access control router in Internet Protocol (IP) network communication with the radio access station; an Authentication, Authorization, and Accounting (AAA) server; a home agent; and the encryption system, the encryption system comprising: a first encryption module associated with at least the radio access station, the first encryption module to: store a certificate provided by a licensed certification authority, encrypt a traffic encryption key and a message generated by the first encryption module with the stored certificate as a traffic encryption key message, transmit the traffic encryption key message encrypted with the certificate to a destination, decrypt, if a message encrypted with a traffic encryption key is received, the received message with the traffic encryption key generated by the first encryption module, and process the decrypted received message; and a second encryption module associated with at least the access control router, the second encryption module to: decrypt, if the traffic encryption key message encrypted with the certificate is received from the first encryption module, the received traffic encryption key message with the certificate provided by the licensed certification authority to detect the traffic encryption key, encrypt a message with the detected traffic encryption key, and transmit the message encrypted with the detected traffic encryption key.