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2. 发明公开

EP3050414A4 TAMPER PROTECTION MESH IN AN ELECTRONIC DEVICE 有权
标题翻译： MANIPULATIONSSCHUTZNETZ BEI EINER ELEKTRONISCHEN VORRICHTUNG
公开(公告)号：EP3050414A4
公开(公告)日：2017-06-14
申请号：EP14850478
申请日：2014-09-23
申请人： SQUARE INC
发明人： WADE JEREMY , TEMPLETON THOMAS , WEBER TRENT , LAMFALUSI MICHAEL
IPC分类号： H05K9/00 , G06K7/00 , G06K7/10 , H01L23/00 , H05K5/02
CPC分类号： G06K7/0095 , G06K7/0078 , G06K7/10257 , Y10T29/49117
摘要： A technique for tamper protection in an electronic device is disclosed. A conductive mesh is affixed onto one or more interior surfaces of the outer housing of the device. The mesh includes one or more conductive traces coupled to one or more detectors within the device. The detector can detect an open-circuit or short-circuit condition resulting from an unauthorized attempt to open the housing, and output a signal to trigger an appropriate countermeasure. The electrical contacts along the trace that are monitored can be selected differently from one manufactured unit to the next, and can be selected based on a randomness function. The selection of contacts may be made during or after manufacturing of the device. The mesh can include multiple metal traces that run very close together, in parallel, across one or more interior surfaces of the housing, allowing detection of both open-circuit and short-circuit conditions.
摘要翻译：公开了一种用于电子设备中的篡改保护的技术。导电网被固定到装置的外壳的一个或多个内表面上。网状物包括耦合到装置内的一个或多个检测器的一个或多个导电迹线。检测器可以检测未经授权尝试打开外壳而导致的开路或短路情况，并输出信号以触发适当的对策。沿着被监视的轨迹的电触点可以从一个制造单元到下一个被不同地选择，并且可以基于随机函数来选择。触点的选择可以在器件制造期间或之后进行。网状物可以包括多个金属迹线，这些金属迹线平行地跨过壳体的一个或多个内表面并行运行，允许检测开路和短路情况。

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