发明授权
US07543122B2 System and method for obscuring hand-held device data traffic information
有权
遮挡手持设备数据流量信息的系统和方法
- 专利标题: System and method for obscuring hand-held device data traffic information
- 专利标题(中): 遮挡手持设备数据流量信息的系统和方法
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申请号: US11202786申请日: 2005-08-11
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公开(公告)号: US07543122B2公开(公告)日: 2009-06-02
- 发明人: Michael K. Brown , Herbert A. Little , Michael S. Brown
- 申请人: Michael K. Brown , Herbert A. Little , Michael S. Brown
- 申请人地址: CA Waterloo, Ontario
- 专利权人: Research in Motion Limited
- 当前专利权人: Research in Motion Limited
- 当前专利权人地址: CA Waterloo, Ontario
- 代理机构: Dimock Stratton LLP
- 代理商 Jenna L. Wilson
- 主分类号: G06F12/00
- IPC分类号: G06F12/00
摘要:
Increasing security for a hand-held data processing device with communication functionality where such a device includes an access-ordered memory cache relating to communications carried out by the device. The hand-held data processing device has a locked state that is entered by the device receiving or initiating a trigger. On occurrence of the trigger to enter the locked state the memory cache is reordered so as to disrupt the access-ordering of the cache to obscure device traffic information and thus increase the security of the device in the locked state.