发明名称 |
Method and apparatus for security in a data processing system |
摘要 |
<p>Method and apparatus for secure transmissions. Each user is provided a registration key. A long-time updated broadcast key is encrypted using the registration key and provided periodically to a user. A short-time updated key is encrypted using the broadcast key and provided periodically to a user. Broadcasts are then encrypted using the short-time key, wherein the user decrypts the broadcast message using the short-time key.</p> |
申请公布号 |
EP2360888(A1) |
申请公布日期 |
2011.08.24 |
申请号 |
EP20110152761 |
申请日期 |
2002.03.28 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
HAWKES, PHILIP;ROSE, GREGORY G.;HSU, RAYMOND, T.;REZAIIFAR, RAMIN |
分类号 |
H04L9/16;H04L29/06;G06F21/00;H04B7/26;H04L9/08;H04L9/30;H04L12/18;H04L12/56;H04L29/08;H04W4/00;H04W12/02;H04W28/04;H04W28/06;H04W28/18;H04W52/02;H04W72/04;H04W80/00;H04W92/10 |
主分类号 |
H04L9/16 |
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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