Blank electronic credential generation and blank electronic credential public verification methods, devices and system

Abstract

The invention discloses blank electronic credential generation and blank electronic credential public verification methods, devices and system. The blank electronic credential generation method comprises the following steps: generating first electronic credential information at least according to electronic credential face information among preset electronic credential face information, the public key of an electronic credential accrediting party and the name of the electronic credential accrediting party; using a first signature algorithm and the private key of an electronic credential issuing authority to sign the first electronic credential information to get the signature of the issuing authority; and generating a blank electronic credential according to the first electronic credential information, the public key of the electronic credential issuing authority and the signature of the issuing authority. The anti-counterfeiting property of electronic credentials is enhanced. Mixed use and illegal use of electronic credentials can be prevented. The shortcomings of the prior art, for example, someone pretends to be the credential issuing authority to issue electronic credentials, electronic credentials are used in a mixed way between different electronic credential accrediting parties, and electronic credentials are used illegally, are avoided. The verification difficulty of electronic credentials is reduced. Verification of electronic credentials is easy.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a blank electronic certificate generation and public verification method, device and system. Background technique [0002] With the development of Internet electronic transactions, financial auditing, and enterprise informatization, it has become a trend to use paperless electronic vouchers for payment, settlement and accounting in the process of business data transfer, and electronic vouchers are gradually replacing traditional paper vouchers. , the application is more and more extensive. Electronic certificates are based on computers and modern communication technologies, store information in the computer system in the form of data, and realize the functions of traditional paper certificates through network transmission. [0003] At present, there are many kinds of vouchers in circulation, such as invoices (ordinary invoices, value-added tax invoices, and quota invoices i...

AI Technical Summary

Problems solved by technology

The above verification methods can only be verified online, and the electronic certificate issuer can only be identified by a unique code, so there is a suspicion that the illegal electronic certificate issuer steals other people's codes for invoicing

In addition, there is no verification of the identity of the tax authority, and there are certain loopholes in the phenomenon of posing as a tax authority to issue invoices.

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