Encrypted document processing method and system

A processing method and a technology of a processing system, which are applied in the field of processing methods and systems of encrypted documents, can solve problems such as leaking and tampering of secret-related documents, and achieve the effect of solving leaks and tampering

Pending Publication Date: 2021-01-22
AGRICULTURAL BANK OF CHINA
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Problems solved by technology

[0004] In view of this, the present invention discloses a method and system for processing encrypted documents to solve the problem of confidential documents being leaked and tampered with

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  • Encrypted document processing method and system
  • Encrypted document processing method and system
  • Encrypted document processing method and system

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Embodiment Construction

[0052] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0053]The embodiment of the present invention discloses a method and system for processing encrypted documents. Each page of an original secret-related document is regarded as a document image, and based on the digital characteristics of electronic documents or the black-and-white color distribution characteristics of paper documents, the encrypted documents are processed from a multi-dimensional perspective. The content of the document contained in each docume...

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Abstract

The invention discloses an encrypted document processing method and system, and the method comprises the steps: taking each page of an original secret-related document as a document image, carrying out the encryption of the document content contained in each document image from a multi-dimensional angle based on the digitalization features of an electronic document or the black and white color distribution features of a paper document, generating a digital watermark containing encryption information, embedding the digital watermark into an original secret-related document to obtain an encrypted document, determining the encryption level of the encrypted document according to the use frequency of the original secret-related document, and when an operation instruction for the encrypted document is received, determining whether the operator has the operation authority of executing the operation content contained in the operation instruction on the encrypted document or not according to the identity contained in the operation instruction, and operating the encrypted document by the operator only after the verification is passed. Therefore, the problem that the secret-related document is divulged and tampered is effectively solved.

Description

technical field [0001] The present invention relates to the technical field of document encryption, and more specifically, to a method and system for processing encrypted documents. Background technique [0002] In the prior art, when encrypting secret-related documents, usually only the encryption level is manually marked at the header of the secret-related document, and different encryption levels of secret-related documents correspond to viewers with different permissions. [0003] Since the existing technology only marks the encryption level on the written documents of confidentiality to achieve encryption, it is impossible to classify and identify operators (such as historical readers and editors, etc.), resulting in the existence of confidential documents being leaked and tampered security risks. Contents of the invention [0004] In view of this, the present invention discloses a method and system for processing encrypted documents, so as to solve the problem of co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T1/00G06F21/16G06F21/60
CPCG06F21/16G06F21/602G06T1/0021
Inventor 时修文
Owner AGRICULTURAL BANK OF CHINA
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