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Method for challenge response authentication between a reading device and a transponder using contactless data transmission
Method for challenge response authentication between a reading device and a transponder using contactless data transmission
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机译:使用非接触式数据传输在读取设备和应答器之间进行质询响应身份验证的方法
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摘要
A method and system for challenge-response authentication are provided. Challenge data are transferred within an anti-collision loop from a reading device to a transponder by means of one or more commands of an anti-collision method, with the one or more commands serving to determine transponder identification data. In the one or more commands respective challenge data are contained in a data field that is used for specifying transponder identification data, wherein it is indicated to the transponder by a parameter value in the at least one of the one or more commands that the data field of the one or more commands contains challenge data instead of transponder date. The transponder recognizes with the help of the parameter value that in the received one or more commands challenge data are contained. The transponder processes the transferred challenge data based on the challenge response authentication.
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