Safety control method for one-way ticket card of rail transit automatic fare collection system
A technology for automatic ticket sales and rail transit, applied in ticketing equipment, instruments, etc., can solve the problems of time-consuming, low ticketing efficiency, and difficulty in meeting passengers' ticketing needs, and achieve the effect of simple operation steps.
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[0019] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0020] Such as figure 1 As shown, the security control method for the one-way ticket card of the rail transit automatic fare collection system includes the following steps:
[0021] S1: The ticket card sends a random number RB to the read-write base station;
[0022] S2: After receiving the random number RB, the read-write base station sends a token data TOKENAB to the ticket card;
[0023] S3: The ticket card decrypts the token data TOKENAB after receiving it, and checks whether the RB sent by step S1 for the first time is consistent with the RB in the TOKENAB received in step S2;
[0024] S4: If the verification results of step S3 are consistent, the ticket card sends the token data TOKENBA to the read-write base station;
[0025] S5: After receiving the token data TOKEN...
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