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 代理人
主权项
地址