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1. 发明授权

US08643475B1 Radio frequency identification secret handshakes 失效
标题翻译：射频识别秘密握手
公开(公告)号：US08643475B1
公开(公告)日：2014-02-04
申请号：US12759133
申请日：2010-04-13
申请人： Tadayoshi Kohno , Alexei Czeskis , Karl Koscher , Joshua R Smith
发明人： Tadayoshi Kohno , Alexei Czeskis , Karl Koscher , Joshua R Smith
IPC分类号： H04Q5/22
CPC分类号： G06K19/07345 , H04Q2213/13095
摘要： An approach for defending radio frequency identification (RFID) tags and other contactless cards against ghost-and-leech (a.k.a. proxying, relay, or man-in-the-middle) attacks incorporates gesture recognition techniques directly implemented with the RFID tags or contactless cards. These tags or cards will only engage in wireless communications when they internally detect “secret handshakes.” A secret handshake recognition system is implemented on a passive WISP RFID tag having a built-in accelerometer. This approach is backward compatible with existing deployments of RFID tag and contactless card readers and is also designed to minimize the changes to the existing usage model of certain classes of RFID and contactless cards, such as access cards that are kept in a wallet or purse, by enabling execution of secret handshakes without removing the card. This novel approach can also improve the security and privacy properties in other uses of RFID tags, e.g., contactless payment cards.
摘要翻译：用于防御无线电频率识别（RFID）标签和其他非接触式卡对抗幽灵和水蛭（也称代理，中继或中间人）攻击的方法包括使用RFID标签或非接触式卡直接实现的手势识别技术。这些标签或卡只有在内部侦测到“秘密握手”时才会进行无线通信。在具有内置加速度计的被动WISP RFID标签上实施秘密握手识别系统。这种方法向后兼容RFID标签和非接触式读卡器的现有部署，并且还被设计为最小化对某些类别的RFID和非接触式卡（例如保存在钱包或钱包中的接入卡）的现有使用模型的变化，通过执行秘密握手而不移除卡。这种新颖的方法还可以改善RFID标签（例如非接触式支付卡）的其他用途中的安全性和隐私性。

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