发明名称 |
GENERATION METHOD AND UPDATE METHOD OF AUTHORIZATION KEY FOR MOBILE COMMUNICATION |
摘要 |
The present invention relates to an authorization key generating method and an authorization key updating method in a mobile communication system. A terminal and a base station generate an authorization key by using a terminal random value and a base station random value that are exchanged in an authorization key generating procedure as input data. In addition, a lifetime of an authorization key is established to be shorter than a lifetime of a root key, and the authorization key is updated with an updating period that is shorter than that of the root period.
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申请公布号 |
US2009240944(A1) |
申请公布日期 |
2009.09.24 |
申请号 |
US20090480521 |
申请日期 |
2009.06.08 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
CHO SEOK-HEON;YOON CHUL-SIK |
分类号 |
H04L9/32;H04L9/06 |
主分类号 |
H04L9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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