Vehicle-mounted NFC card key binding system and method

Abstract

The invention discloses a vehicle-mounted NFC card key binding system and method. The system comprises a background server, a central control host, a vehicle body safety module, an NFC antenna module, a mobile phone terminal and an NFC card key. The vehicle body safety module is connected with the central control host, the background server side is connected with the central control host, and the vehicle body safety module is used for receiving a request of binding an NFC card key by a user and sending an encryption factor for binding the NFC card key to the central control host; the central control host is used for receiving the encryption factor, calculating a short message verification code according to the encryption factor and a frame number and a card learning key corresponding to the vehicle, and sending the short message verification code to the mobile phone terminal; the vehicle body safety module is further used for verifying the short message verification code; and the NFC antenna module is connected with the vehicle body safety module so as to bind the NFC card key. The system can meet the requirement that the user freely and safely binds the NFC card key to the vehicle, so that the convenience and the experience feeling of the user are effectively improved.

Description

technical field [0001] The invention belongs to the technical field of automobile electronic keys, and in particular relates to a vehicle-mounted NFC card key binding system and method. Background technique [0002] Modern new energy vehicles are usually equipped with NFC card keys. Its function only needs to bring the NFC card key close to the unlocking area to unlock and lock the vehicle or allow it to enter the driving state. The key technology is the approach communication between the NFC card key and the NFC transceiver of the vehicle (the 14443 protocol is widely used, that is, the 13.56mHZ standard). Unlock or allow access to drivable condition. [0003] At present, under the premise of information security assurance, most methods are to bind the NFC card key with the vehicle during production. When the user binds the existing NFC card key later, he must get the 4S store to bind the NFC card key, and he cannot freely Adding an NFC card key to the vehicle safely and ...

AI Technical Summary

Problems solved by technology

[0003] At present, under the premise of information security assurance, most methods are to bind the NFC card key with the vehicle during production. When the user binds the existing NFC card key later, he must get the 4S store to bind the NFC card key, and he cannot freely Adding an NFC card key to the vehicle safely and securely, the user convenience and experience are poor

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