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公开(公告)号：US20090323972A1
公开(公告)日：2009-12-31
申请号：US12276829
申请日：2008-11-24
IPC分类号： H04L9/22
CPC分类号： H04L9/08 , G06F17/30097 , G06F17/30312 , G06F17/30613 , G06F17/30619 , G06F17/3087 , G06F21/6245 , G06F2221/2111 , H04L9/0631 , H04L9/0662 , H04L9/0861 , H04L9/0883 , H04L9/0891 , H04L9/30 , H04L9/3255 , H04L63/0428 , H04L63/06 , H04L63/08
摘要： A privacy-preserving device-tracking system and method to assist in the recovery of lost or stolen Internet-connected mobile devices. The function of such a system seem contradictory, since it is desirable to hide a device's legitimately-visited locations from third-party services and other parties to achieve location privacy, while still enabling recovery of the device's location(s) after it goes missing by tracking the device to determine its location. An exemplary embodiment uses a DHT for storing encrypted location information and other forensic information in connection with indices that are successively determined based on initial pseudorandom seed information (i.e., state) that is retained by the owner of the device. Using the seed information, the software can determine indices mapped to location information stored after the device went missing, enabling the device to be located. Numerous extensions are discussed for the basic exemplary design that increase its suitability for particular deployment environments.
摘要翻译： 一种隐私保护设备跟踪系统和方法，用于帮助恢复丢失或被盗互联网连接的移动设备。 这种系统的功能似乎是矛盾的，因为希望将设备的合法访问位置从第三方服务和其他方隐藏以实现位置隐私，同时仍然允许在设备丢失之后恢复设备的位置 跟踪设备以确定其位置。 一个示例性实施例使用DHT来存储加密的位置信息和其他取证信息，该索引是根据由设备所有者保留的初始伪随机种子信息（即，状态）连续确定的索引。 使用种子信息，软件可以确定映射到设备丢失之后存储的位置信息的索引，使得能够定位设备。 讨论了增加其针对特定部署环境的适用性的基本示例性设计的大量扩展。
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公开(公告)号：US08848924B2
公开(公告)日：2014-09-30
申请号：US12276829
申请日：2008-11-24
CPC分类号： H04L9/08 , G06F17/30097 , G06F17/30312 , G06F17/30613 , G06F17/30619 , G06F17/3087 , G06F21/6245 , G06F2221/2111 , H04L9/0631 , H04L9/0662 , H04L9/0861 , H04L9/0883 , H04L9/0891 , H04L9/30 , H04L9/3255 , H04L63/0428 , H04L63/06 , H04L63/08
摘要： A privacy-preserving device-tracking system and method to assist in the recovery of lost or stolen Internet-connected mobile devices. The function of such a system seem contradictory, since it is desirable to hide a device's legitimately-visited locations from third-party services and other parties to achieve location privacy, while still enabling recovery of the device's location(s) after it goes missing by tracking the device to determine its location. An exemplary embodiment uses a DHT for storing encrypted location information and other forensic information in connection with indices that are successively determined based on initial pseudorandom seed information (i.e., state) that is retained by the owner of the device. Using the seed information, the software can determine indices mapped to location information stored after the device went missing, enabling the device to be located. Numerous extensions are discussed for the basic exemplary design that increase its suitability for particular deployment environments.
摘要翻译： 一种隐私保护设备跟踪系统和方法，用于帮助恢复丢失或被盗互联网连接的移动设备。 这种系统的功能似乎是矛盾的，因为希望将设备的合法访问位置从第三方服务和其他方隐藏以实现位置隐私，同时仍然允许在设备丢失之后恢复设备的位置 跟踪设备以确定其位置。 一个示例性实施例使用DHT来存储加密的位置信息和其他取证信息，该索引是根据由设备所有者保留的初始伪随机种子信息（即，状态）连续确定的索引。 使用种子信息，软件可以确定映射到设备丢失之后存储的位置信息的索引，使得能够定位设备。 讨论了增加其针对特定部署环境的适用性的基本示例性设计的大量扩展。
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