Method and apparatus to implement security in a long term...

Details Method and apparatus to implement security in a long term... Method and apparatus to implement security in a long term...

H - Electricity

04

W

H04W 12/10 (2009.01) H04W 12/02 (2009.01)

Patent

CA 2693185

A wireless transmit receive unit (WTRU) is configured to receive unciphered and ciphered messages. The unciphered messages include identity requests, authentication requests, non-access stratum (NAS) security mode commands and tracking area update responses. The ciphered messages may come from the NAS and a Radio Resource Controller (RRC). The messages are ciphered using security keys.

L'invention concerne une unité d'émission-réception sans fil (WTRU) conçue pour recevoir des messages non chiffrés et des messages chiffrés. Les messages non chiffrés comprennent des demandes d'identité, des demandes d'authentification, des ordres de mode de sécurité de strate de non-accès (NAS) et des réponses de mise à jour de zone de suivi. Les messages chiffrés peuvent provenir de la NAS et d'une unité de commande de ressource radio (RRC). Les messages sont chiffrés en utilisant des clés de sécurité.

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