Electronic invoice generation method based on digital signatures

Abstract

The invention discloses an electronic invoice generation method based on digital signatures. The method includes the steps that according to a request of an enterprise, a tax bureau end generates an empty electronic invoice file with the tax bureau digital signature according to content, serving as original text data, of the empty electronic invoice file and sends the empty electronic invoice file to the corresponding enterprise end; when filling in and issuing an electronic invoice, the enterprise end obtains the empty electronic invoice file with the tax bureau digital signature and conducts signature verification on the tax bureau digital signature, and if the signature passes verification, the electronic invoice is issued on the empty electronic invoice file according to order information and the enterprise digital signature is generated according to the content, serving as original text data, of the issued electronic invoice and is stamped on the electronic invoice; the enterprise end transmits the issued electronic invoice file and additional data of the electronic invoice to the tax bureau end in the form of file streams after the issued electronic invoice file and the additional data are encrypted; the tax bureau end decrypts received file stream data and verifies the obtained enterprise digital signature, and centralized storage of the electronic invoice is conducted in a tax bureau if the enterprise digital signature passes verification.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a method for generating an electronic invoice based on a digital signature. Background technique [0002] With the popularization of information technology and the prevalence of e-commerce, traditional paper invoices can no longer meet the requirements of the development of the information society, and have also become a bottleneck restricting the improvement of the quality of tax collection and management. The traditional invoice management mode lags behind the rapid development of e-commerce. The popularization of the Internet has brought rapid development to the informatization of the whole society. The rapid rise of e-commerce has become the most potential and dynamic form of trade in the 21st century. However, the cross-border, paperless, and rapid characteristics of e-commerce make the tax management based on traditional commerce be strongly impacted and challenged. T...

AI Technical Summary

Problems solved by technology

However, paper invoices cannot provide convenient invoice certificate services for remote traders

Finally, e-commerce transactions are completed in an instant, but paper invoices cannot provide transaction documents for remote traders in an instant

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