Method for verifying whether paper certificate is tampered or not

A tampered, license-based technology, used in user identity/authority verification, digital data protection, computer security devices, etc., to facilitate paper verification, reduce QR code data capacity, and facilitate storage.

Active Publication Date: 2017-09-22
江苏诺安科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, in the process of using the electronic certificate, it is necessary to print out the electronic certificate as a paper certificate, but how to verify the authenticity and validity of the docu

Method used

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  • Method for verifying whether paper certificate is tampered or not
  • Method for verifying whether paper certificate is tampered or not

Examples

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Example Embodiment

[0033] Such as figure 1 with 2 As shown, the method for verifying whether the content of a paper certificate or license disclosed in the present invention has been tampered with includes the following steps:

[0034] Step 1, the generation of electronic certificates, the specific steps are:

[0035] Step 1.1: Generate a template in a fixed format for each type of electronic license. Each template is given a unique number and the electronic license template is formed into a digest. The digest is encrypted with a private key to form a signature;

[0036] Step 1.2, select an electronic license template, fill in all the filling items of the electronic license in the template, such as the name, type of enterprise, legal representative and other information in the business license of the corporate legal person, to generate a complete electronic license file;

[0037] Step 1.3, form a digest with all the filling items filled in the electronic certificate in step 1.2, encrypt the digest with a...

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Abstract

The invention provides a method for verifying whether a paper certificate is tampered or not, and relates to a digital signature and two-dimensional code technology. The method comprises the steps of generating an electronic certificate and performing authenticity verification on the paper certificate. According to the method for verifying whether contents of the paper and electronic certificate are tampered or not, provided by the invention, the problem of authenticity and validity verification of document contents after an electronic document is printed and output as a paper document is solved.

Description

technical field [0001] The electronic signature verification method of the present invention is, in particular, a method for verifying whether the content of a paper certificate has been tampered with. Background technique [0002] At present, in the process of using the electronic certificate, it is necessary to print out the electronic certificate as a paper certificate, but how to verify the authenticity and validity of the document content after outputting the paper certificate becomes a problem, so it is necessary to design a special application A method for verifying whether the content of a paper certificate has been tampered with. Contents of the invention [0003] The technical problem to be solved by the present invention is: in the prior art, there is a lack of a tampering verification method for paper certificates printed out by electronic certificates. [0004] In order to solve the above-mentioned technical problems, the present invention provides a method f...

Claims

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Application Information

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IPC IPC(8): G06F21/60G06F21/64H04L9/32
CPCG06F21/602G06F21/64H04L9/3247
Inventor 张健
Owner 江苏诺安科技有限公司
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