Digital watermark physical-electronic integrated stamp processing system

Abstract

The invention discloses a digital watermark physical-electronic integrated stamp processing system which comprises a stamp making equipment subsystem, a digital watermark electronic stamp subsystem and a digital watermark stamp recording checking authentication subsystem, wherein the stamp making equipment subsystem consists of an impression generation module, a digital watermark generation embedding module and a stamp engraving module arranged in stamp engraving equipment; the digital watermark electronic stamp subsystem is arranged in a background server and consists of an electronic stamp module, a special module for an electronic environment digital watermark and a digital watermark printing module; and the digital watermark stamp recording checking authentication subsystem consists ofa stamp imprint impression recording module, an impression checking comparison module and a digital watermark authentication module. By operation, the system can implement digital watermark system control on the whole process of engraving and stamping of a physical stamp, electronic signature, printing and network access, storage and checking of physical and electronic stamps and an imprint, andidentifies true or false by determining whether the stamp, the imprint and the impression contain digital watermark information. Problems of identifying true or false of information, identity determination and responsibility confirmation in the online transaction and information exchange can be solved. Double counterfeiting prevention of an electronic document and a paper document (printed) can beimplemented.

Description

technical field [0001] The invention belongs to the technical field of information security, and specifically relates to anti-counterfeiting and identification technology of seals and their printed information in social and economic activities. Background technique [0002] The seals involved in the present invention refer to official seals, special financial seals, special seals for invoices, special seals for contracts and other special badges with legal effect used by state organs, social organizations, enterprise units, and public institutions. [0003] In our country, due to various reasons such as history, traditional habits, and social systems, the sign of business approval is mainly printed and supplemented by signature, which plays an important role in long-term social activities. Since the reform and opening up, the country's economic operation mode has shifted from a planned economy to a market economy. The seals and seals marking economic activities have the dual...

AI Technical Summary

Problems solved by technology

[0007] However, with the rapid development and popularization of high-definition scanners, smartphone photography, color printing, and copying technologies, illegal and criminal activities such as copying, copying, misappropriation, and embezzlement of electronic seals and their legal documents have begun to rampant. Management poses more severe challenges

Images