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 KR20050113204(A) 申请公布日期 2005.12.01
申请号 KR20057015955 申请日期 2005.08.26
申请人 RESEARCH IN MOTION LIMITED 发明人 ADAMS NEIL P.;LITTLE HERBERT A.
分类号 H04L9/08;H04L9/30;H04L9/32;H04L29/06;(IPC1-7):H04L9/32 主分类号 H04L9/08
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