发明名称 |
Authentication vector generation device, subscriber identity module, mobile communication system, authentication vector generation method, calculation method, and subscriber authentication method |
摘要 |
Authentication of a subscriber identity module issued by IMT-2000 network operator is performed with no decrease in the confidentiality of calculation processing, even in cases such as when a roaming network is a GSM network. An HLR of an IMT-2000 mobile communication network comprises an algorithm information attachment unit for attaching, to a RAND field of an authentication vector used to authenticate a USIM, information specifying an algorithm to be used in the authentication calculation. The USIM, which is mounted on a mobile equipment, comprises an algorithm storage unit storing in advance a plurality of algorithms for use in the authentication calculation, a specification unit for specifying the algorithm to be used in the calculation from among the plurality of algorithms stored in the algorithm storage unit by referring to the algorithm-specifying information included in received data, and a calculation unit for performing the calculation on the basis of the specified algorithm using the received data. |
申请公布号 |
US8141137(B2) |
申请公布日期 |
2012.03.20 |
申请号 |
US20050167108 |
申请日期 |
2005.06.28 |
申请人 |
ISHIKAWA HIDETOSHI;NTT DOCOMO, INC. |
发明人 |
ISHIKAWA HIDETOSHI |
分类号 |
H04L29/06;H04W12/06 |
主分类号 |
H04L29/06 |
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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