Defensive system of relay attack of near-field mobile payment and realization method thereof

Abstract

The invention discloses a defensive system of a relay attack of near-field mobile payment and a realization method thereof. The system comprises an intelligent card temperature tag and an intelligent card reader. The intelligent card temperature tag consists of an RFID electronic tag, a temperature sensor, and a wireless communication module; and the intelligent card reader includes an RFID reader, a temperature sensor and a wireless communication module. According to the system, the wireless communication modules use RFID and near-field-communication (NFC) channels to carry out data information transmission; the intelligent card temperature tag can monitor the environment temperature in real time; and the intelligent card reader can carry out communication with the intelligent card temperature tag and obtain information of the temperature and data and the like of the temperature tag. The information interaction flow of the intelligent card reader and the intelligent card tag is carried out by four steps: an initialization module step, a temperature measurement module step, a message interaction module step, and a verification module step.

Description

technical field [0001] The invention relates to a defense system and an implementation method for near-field mobile payment relay attacks, belonging to the field of information security. Background technique [0002] Near-field mobile payment refers to a payment method in which consumers conduct transactions with merchants through mobile phones or smart cards in a timely manner when purchasing goods or services. The payment processing is carried out on the spot, using non-contact radio frequency identification (RFID, Radio Frequency Identification and NFC, Near Field Communication), infrared, Bluetooth and other channels, so that mobile phones and cards can communicate with vending machines or POS machines (Point Of Sale) and other compatible devices for identification and data exchange. As one of the security risks in the near-field payment process, the relay attack is a kind of man-in-the-middle attack. This type of attack is easy to set up, requires few resources, and is...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to address the potential safety hazards of relay attacks in near-field mobile payment, overcome the above-mentioned deficiencies in the prior art, and propose a system and its realization based on smart card temperature and message round-trip time to prevent relay attacks in near-field mobile payment method

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