BOOTSTRAPPING AUTHENTICATION USING DISTINGUISHED RANDOM CHALLENGES

摘要

040954 19 BOOTSTRAPPFNG AUTHENTICATION USING DISTFNGUISILED RANDOM CHALLENGES ABSTRACT A COMMUNICATIONS SYSTEM AND METHOD OF BOOTSTRAPPING MOBILE STATION AUTHEATICATION AND ESTABLISHING A SECURE ENCRYPTION KEY ARE DISCLOSED. IN ONE EMBODIMENT OF THE CARRIMUNICATIOAS NETWORK, A DISTINGUISHED RANDOM CHALLENGE IS RESERVED FOR GENERATION OF A SECURE ENCRYPTION KEY, WHEREIN THE DISTINGUISHED RANDOM CHALLCRIGE IS NOT USED FOR AUTHENTICATION OF A MOBILE STATION. THE DISTING:UI@HCD RANDOM CHALLENGE IS STORED AT A MOBILE STATION'S MOBILE EQUIPMENT AND USED TO GENERATE A SECURE ENCRYPTION KEY, AND A BOOTSTRAPPING FUNCTION IN THE NETWORK USES A NORMAL RANDOM CHALLENGE TO AUTHENTICATE THE MOBILE STATION AND THE DISTINGUISHED RANDOM CHALLENGE TO GENERATE THE SECLVE CRICRYPTIOO KEY. 0