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 updatedkey is encrypted using the broadcast key. The short-time key is available with each broadcast message,wherein sufficient information to calculate the short-time key is provided in an Internet protocol headerpreceding the broadcast content. 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 |
EP2204940(A3) |
申请公布日期 |
2012.07.04 |
申请号 |
EP20100004389 |
申请日期 |
2002.10.08 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
HAWKES, PHILIP;LEUNG, NIKOLAI K., N.;ROSE, GREGORY G. |
分类号 |
G06F21/24;H04L9/08;H04L29/06 |
主分类号 |
G06F21/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|