发明名称 |
System and method of protecting data on a communication device |
摘要 |
A system and method of protecting data on a communication device are provided. Data received when the communication device is in a first operational state is encrypted using a first cryptographic key and algorithm. When the communication device is in a second operational state, received data is encrypted using a second cryptographic key and algorithm. Received data is stored on the communication device in encrypted form. |
申请公布号 |
US8078869(B2) |
申请公布日期 |
2011.12.13 |
申请号 |
US20050546779 |
申请日期 |
2005.08.25 |
申请人 |
ADAMS NEIL P.;LITTLE HERBERT A.;RESEARCH IN MOTION LIMITED |
发明人 |
ADAMS NEIL P.;LITTLE HERBERT A. |
分类号 |
H04L9/00;G06F21/00;H04L29/06;H04M1/725 |
主分类号 |
H04L9/00 |
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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