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NFC payment system based on elliptic curve password

A technology of elliptic curve cryptography and payment system, which is applied in the direction of payment system structure, transmission system, digital transmission system, etc., and can solve the problems that third parties are difficult to obtain

Active Publication Date: 2020-12-18
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the public key cryptosystem, the private key is unique to itself, but the public key can be published, so that A and B can be easily calculated, but it is difficult for any third party to obtain

Method used

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  • NFC payment system based on elliptic curve password

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Embodiment Construction

[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0048] In the description of the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around", etc. Indicates the orientation or positional relationship, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orienta...

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Abstract

The invention discloses an NFC payment system based on an elliptic curve password. The NFC payment system comprises an online electronic payment system and an offline electronic payment system. The security check of the online electronic payment system comprises replay attack, outsider attack, counterfeit attack, server spoofing attack, equipment forgery attack, man-in-the-middle attack, confidentiality, authenticity, integrity, non-repudiation, dual payment prevention, payment password protection and NFC loss protection; and the security check of the offline electronic payment system comprises replay attack, outsider attack, counterfeit attack, equipment forgery attack, man-in-the-middle attack, confidentiality, authenticity, integrity, non-repudiation, dual payment prevention and paymentpassword protection. The encryption method in the NFC payment system can be well applied to the NFC terminal with limited computing power and storage capacity, the payment system provided by the invention is suitable for online and offline NFC card reading terminals, and a user can complete payment no matter whether the NFC card reading terminal is connected with a server or not.

Description

technical field [0001] The invention belongs to the field of communication encryption, in particular to an NFC payment system based on elliptic curve cryptography. Background technique [0002] Near Field Communication (NFC), its working principle is based on inductive near field. In the near-field region, the farther away from the antenna or electromagnetic radiation source, the greater the field strength attenuation, therefore, it is very suitable for short-range communication, especially for security-related applications such as payment, access control, etc. During World War II, near field communication was used to identify friend or foe in air combat. The invention and application of radar gave birth to radio frequency identification technology (Radio Frequency Identification, RFID) and laid the theoretical foundation of NFC technology. In the late 1970s, the U.S. government transferred RFID technology to the private sector through the Los Alamos Science Laboratory. It ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/32H04L9/30
CPCG06Q20/3278H04L9/3066H04L9/3226
Inventor 杨东辉王岩仝波
Owner SOUTHEAST UNIV
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