Method for generating and reading QR code

Abstract

The invention discloses a method for generating and reading a QR code. The method includes the steps of dividing information to be encoded into public information and private information; encrypting the private information, performing bit stream transformation on the encrypted private information and the public information to obtain bit stream strings of the private information and the public information, and performing connection according to the bit stream string and a terminator of the public information, a private information indicator, and the bit stream string and a terminator of the private information to form a final bit stream string; calling a QR code generation algorithm to encode the final bit stream string to generate a QR code; calling a QR code reading algorithm to convert the QR code to a final bit stream string; reading information before a first terminator of the final bit stream string as public information, and the encrypted private information being between the private information indicator and a second terminator; using a correct key which is preset or input in real time during code scanning to decode the encrypted private information, and obtaining the private information. According to the method for generating and reading the QR code, the access control over different information is achieved, and the privacy of sensitive information carried can be effectively protected.

Description

technical field [0001] The invention relates to QR two-dimensional code technology, in particular to a method for generating and reading a QR two-dimensional code. Background technique [0002] QR (Quick Response) two-dimensional code is an information encoding and decoding technology that stores information in images and then converts images into information. Since the QR two-dimensional code is only the carrier of information, there is no guarantee for the privacy and correctness of the information. When scanning the QR two-dimensional code, all the carried information will be displayed; however, in practical applications, it is often necessary to Scenarios where all or part of the information carried in the code is used for access control, such as the following scenarios: [0003] (1) Scan code to pay; [0004] In the current scan code payment, the payee's account information is determined by the bank or enterprise that provides the service after encoding. For example, ...

AI Technical Summary

Problems solved by technology

[0014] The technical problem to be solved by the present invention is that the existing QR two-dimensional code cannot implement access control to all or part of the information carried, and there is no guarantee for the privacy and correctness of the information, resulting in the leakage of private information

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