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Method, system and equipment for realizing electronic seal

An electronic seal and watermark information technology, applied in the field of mobile communication, can solve the problem that it is difficult for users to realize the electronic seal function on mobile terminals, and achieve the effect of improving flexibility and expanding application fields.

Active Publication Date: 2012-08-01
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] To sum up, it is currently difficult for users to realize the electronic seal function through mobile terminals

Method used

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  • Method, system and equipment for realizing electronic seal
  • Method, system and equipment for realizing electronic seal
  • Method, system and equipment for realizing electronic seal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] A generating module, configured to generate an electronic seal according to the obtained digital signature and the pre-stored electronic seal image;

[0029] a sending module, configured to send the electronic seal to a server, and instruct the server to add the electronic seal to the file;

[0030] The verification module is used to upload the file adding the electronic seal to the server, instructing the server to extract the electronic seal from the file adding the electronic seal; downloading the electronic seal and removing the file from the server; The content of the file of the electronic seal generates the second standard message digest; extracts the watermark information from the downloaded electronic seal by watermark technology; decrypts the watermark information according to the public key to obtain a message digest to be verified; The second standard message digest is matched with the message digest to be verified, and if the match is successful, it is dete...

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Abstract

The embodiment of the invention relates to the technical field of mobile communication, in particular to a method, a system and equipment for realizing an electronic seal, which are used for achieving the function of the electronic seal by a mobile terminal, thereby improving the flexibility of a mobile officing service and expanding the application field of the mobile officing service. The method of the embodiment comprises the following steps: processing a document according to a prestored digital certificate to obtain a digital signature which corresponds to the document; generating the electronic seal according to the obtained digital certificate and a prestored electronic seal image; sending the electronic seal to a server and instructing the server to add the electronic seal into the document. The method of the embodiment can improve the flexibility of the mobile officing service and expand the application field of the mobile officing service.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method, system and equipment for realizing an electronic seal. Background technique [0002] With the rapid development of the third-generation mobile communication network in China, many enterprises have increasingly strong demand for mobile office. In this context, many mobile office products have been developed. [0003] The mobile office service is a new type of service aimed at the enterprise's office informatization needs for administrative management, mail management, and official document approval, and can meet the application scenarios of fixed office and mobile office. Among them, document approval is an essential function. [0004] Document approval can be achieved by affixing an electronic seal. The electronic seal is a comprehensive virtual digital seal using digital signature, digital watermark and digital image processing technologies, and has the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/10
Inventor 代仁东
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD