发明名称 |
Method and apparatus for security in a data processing system |
摘要 |
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. One embodiment provides link layer content encryption. Another embodiment provides end-to-end encryption. |
申请公布号 |
US7185362(B2) |
申请公布日期 |
2007.02.27 |
申请号 |
US20020233188 |
申请日期 |
2002.08.28 |
申请人 |
QUALCOMM, INCORPORATED |
发明人 |
HAWKES PHILIP MICHAEL;HSU RAYMOND T.;REZAIIFAR RAMIN;ROSE GREGORY G.;BENDER PAUL E.;WANG JUN;QUICK, JR. ROY FRANKLIN;MAHENDRAN ARUNGUNDRAM C.;AGASHE PARAG A. |
分类号 |
G06F9/00;H04L9/08;G06F12/00;G06F21/00;H04K1/00;H04L9/00;H04L9/30;H04L29/06;H04Q7/38 |
主分类号 |
G06F9/00 |
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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