发明名称 |
SECURE DATA TRANSFER ON A HANDHELD COMMUNICATIONS DEVICE |
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. |
申请公布号 |
US2012294441(A1) |
申请公布日期 |
2012.11.22 |
申请号 |
US201213566315 |
申请日期 |
2012.08.03 |
申请人 |
DRADER MARC;ROBINSON JAMES;PURDY MICHAEL;RESEARCH IN MOTION LIMITED |
发明人 |
DRADER MARC;ROBINSON JAMES;PURDY MICHAEL |
分类号 |
H04L9/26 |
主分类号 |
H04L9/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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