- 专利标题： System and method of protecting data on a communication device
-
申请号： US10546779申请日： 2003-02-28
-
公开(公告)号： US20060190724A1公开(公告)日： 2006-08-24
- 发明人: Neil Adams , Herbert Little
- 申请人： Neil Adams , Herbert Little
- 国际申请： PCT/CA03/00291 WO 20030228
- 主分类号： H04L9/00
- IPC分类号： H04L9/00
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.