发明名称 |
Network authentication method for over the air activation |
摘要 |
A method for authenticating a cellular service provider during over the air activation of a mobile station includes the steps of programming an A-key value into the mobile station and providing the A-key value to the service provider. The mobile station requests over the air activation by transmitting a registration request to the service provider. The service provider verifies billing information and generates two random numbers. The service provider then performs a first CAVE algorithm using the provided A-key value and the first random number to generate a first shared secret data value. The service provider performs a second CAVE algorithm using the first shared secret data value and the second random number to produce a first authentication value. The service provider then transmits the first and second random numbers along with the authentication value to the mobile station. The mobile station performs a third CAVE algorithm using the first random number and its programmed A-key value to generate a second shared secret data value. Next, the mobile station performs a fourth CAVE algorithm using the second random number and the second shared secret data value to generate a second authentication value. The mobile station then compares the first and the second authentication value to determine if the correct service provider is activating the mobile station.
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申请公布号 |
US6393270(B1) |
申请公布日期 |
2002.05.21 |
申请号 |
US19970950389 |
申请日期 |
1997.10.14 |
申请人 |
BELLSOUTH INTELLECTUAL PROPERTY CORP. |
发明人 |
AUSTIN MARK D.;HARDIN STEPHEN T. |
分类号 |
H04W8/26;(IPC1-7):H04M1/66 |
主分类号 |
H04W8/26 |
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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