发明申请
- 专利标题： SECURE DATA TRANSFER ON A HANDHELD COMMUNICATIONS DEVICE
- 专利标题（中）： 手持通信设备上的安全数据传输
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申请号： US13566315申请日： 2012-08-03
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公开(公告)号： US20120294441A1公开(公告)日： 2012-11-22
- 发明人: Marc Drader , James Robinson , Michael Purdy
- 申请人： Marc Drader , James Robinson , Michael Purdy
- 专利权人： Research In Motion Limited
- 当前专利权人： Research In Motion Limited
- 主分类号： H04L9/26
- IPC分类号： H04L9/26
摘要：
A handheld communications device and method for transmitting an encryption key are provided. The method comprises: generating an encryption key via the data processor, the encryption key comprising a bit sequence; and varying an output of the display device over a period of time to transmit the encryption key from the handheld communications device by varying at least one of a sequence at least one of colour rendered on the display device or a sequence of brightness levels output by the display device.
公开/授权文献
- US08798265B2 Secure data transfer on a handheld communications device 公开/授权日：2014-08-05