Metro ticket buying and checking method based on two-dimension code recognition

Abstract

The invention discloses a metro ticket buying system and an entrance and exit ticket checking system based on the two-dimension code recognition technology. Smartphone terminals, smartphone application programs, a metro ticket selling and checking system background recharging server, automatic metro entrance and exit ticket checking systems and a CA center are included. The metro ticket selling and checking system background recharging server, each smartphone application program and each automatic metro entrance and exit ticket checking system respectively have a unified center public key issued by the CA center, a public key and a private key which are independent of each other and issued by the CA center and a public key certificate issued by the CA center. A user buys a ticket and has the ticket checked through the mobile phone program and two-dimension codes. The ticket buying efficiency is improved, the ticket buying time is saved, ticket card cost is reduced, paper is saved, timeliness and uniqueness of ticket cards are guaranteed, and metro tickets can be bought and checked fast, efficiently and safely.

Description

technical field [0001] The invention relates to a method for buying and checking subway tickets, in particular to a method for buying and checking subway tickets based on two-dimensional code identification. Background technique [0002] In recent years, due to its large capacity, high comfort, less pollution, and low energy consumption, the subway has attracted more and more attention from all parties, and has become a fast, safe, and efficient urban public transport. At present, the subway passenger transport departments of various cities in China have established a relatively complete ticketing and ticket checking system. At present, the subway uses a non-contact IC card as the carrier of the ticket card, but the cost of the non-contact IC card is too high, and the ticket medium is prone to appear. A case where the cost is higher than the ticket itself. [0003] Applying QR codes to subway ticket purchases can solve the above problems. Using smartphones to scan QR codes ...

AI Technical Summary

Problems solved by technology

[0016] Purpose of the invention: In order to solve the problems of long queuing time and high equipment cost for subway ticket purchase and ticket inspection in the prior art, the present invention provides a subway ticket purchase and ticket inspection method based on two-dimensional code identification, mainly through smart phones and two-dimensional codes For ticket purchase, the ticket purchase and ticket inspection can be completed by checking the QR code through the ticket inspection system, which solves the shortcomings of the existing technology

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