METHOD AND APPARATUS FOR MANAGING GROUP KEY FOR MOBILE DEVICE
摘要
<p>Provided is a method for managing a group key in a key distribution center. The method includes: receiving a key request from a mobile device; generating a private key for the mobile device using information about a withdrawal time included in the key request; generating a public key and a verification key for the mobile device; and transmitting at least one key including the generated key to the mobile device.</p>
