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发明公开
CN107017997A 一种身份验证方法、阅读器和标签 无效 - 驳回

一种身份验证方法、阅读器和标签
摘要：
本发明提出一种身份验证方法，应用于阅读器，当阅读器检测到标签时，生成第一随机数并发送给标签；然后接收标签发送的第一加密信息并对第一加密信息进行解密，得到标签的身份标识信息和标签接收的随机数；如果标签接收的随机数为第一随机数，并且在数据库中存在标签的身份标识信息，则确认标签为合法标签；如果标签接收的随机数不是第一随机数，或者在数据库中不存在标签的身份标识信息，则确认标签为非法标签；当确认标签为合法标签时，对标签的身份标识信息进行加密得到第二加密信息，并将第二加密信息发送至标签，使标签完成对阅读器的身份验证。上述方案实现了阅读器和标签之间的双向身份验证，提高了射频识别系统的安全性。
摘要（英）：

The invention provides an identity authentication method applied to a reader. The method comprises the steps of when the reader detects a label, generating a first random number and sending the first random number to the label; receiving first encryption information sent by the label and decrypting the first encryption information, thus acquiring identity identification information of the label and the random number received by the label; if the random number received by the label is the first random number, and the identity identification information of the label exists in a database, determining the label to be the legal label; if the random number received by the label is not the first random number, or the identity identification information of the label does not exist in the database, determining the label to be the illegal label; when the label is determined to be the legal label, encrypting the identity identification information of the label to acquire second encryption information, and sending the second encryption information to the label, thus allowing the label to complete identity authentication of the reader. According to the scheme of the method provided by the invention, bidirectional identity authentication between the reader and the label is achieved, and security of the radio frequency recognition system is improved.

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