RFID system secret-key wireless generation method
A system key and key generation technology, applied in the field of radio frequency identification, which can solve problems such as security defects, hidden dangers, and inability to perform large-scale calculations.
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[0043] like figure 1 As shown, a method for wirelessly generating an RFID system key, the RFID system includes a label, a display screen, and a reader-writer, the display screen is connected to the reader-writer, and the reader-writer includes a background database for storing tags. The corresponding tag identifier ID.
[0044] Specifically include:
[0045] The reader / writer determines the key generation type; specifically, the key generation type button is displayed on the display screen, and the key generation type includes single label key generation, batch key generation and group key generation, the user selects the type, reads and writes The device determines the type of key generation;
[0046] According to different key generation types, a shared key is generated between the reader and tag.
[0047] The single tag key generation type specifically generates a shared key for a tag, and the specific process is as follows:
[0048] S1.1 The reader sends a key generati...
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