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A document rights management method, device and system

A permission management device and technology of permission management, applied in the security field, can solve the problems of file permission information storage increase, etc., and achieve the effect of solving unlimited storage growth, reducing storage burden, and clearing useless data

Active Publication Date: 2011-12-14
CHENGDU HUAWEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The document authority management method, device and system provided by the embodiments of the present invention solve the problem of infinite growth of the storage capacity of the document authority information stored in the server, effectively remove useless data, reduce the storage burden of the server, and reduce operation and maintenance cost

Method used

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  • A document rights management method, device and system
  • A document rights management method, device and system
  • A document rights management method, device and system

Examples

Experimental program
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Embodiment 1

[0045] The embodiment of the present invention provides a method for document authority management, taking the server 102 as an example, in this embodiment, the authority information of the document is uniformly stored on the server 102, and when the client 101 opens the document, it is retrieved from the server 102 The permission information of the document, and then the server 102 sends the retrieved permission information to the client 101, such as figure 2 As shown, the method includes:

[0046] Step 201, the server receives a permission request from the client;

[0047] Wherein, the permission request is used to obtain permission information of the document, and the permission information is used to decrypt the document of the client.

[0048] Step 202, according to the permission request, determine whether the first permission information of the document is saved; if the first permission information of the document is saved, jump to step 204 for execution; if there is ...

Embodiment 2

[0058] The embodiment of the present invention provides another method for document authority management, taking the server 102 as an example, in this embodiment, the first authority information of the document is stored in the encrypted document. At the same time, if the first permission information has been modified, the latest first permission information will be saved in the server 102 . When decrypting a document each time, the client 101 can go to the server 102 to detect whether the first authority information of the document has been modified. If it has been modified, the first authority information saved by the server will be used. If it has not been modified, the encrypted file itself will be used. The saved first permission information, such as image 3 As shown, the method includes:

[0059] Step 301, the server receives a permission request from the client;

[0060] Step 302. According to the permission request, determine whether the first permission information...

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PUM

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Abstract

The embodiment of the invention provides a document permission management method, an apparatus and a system. The method comprises: receiving a permission request from a client by a server, wherein the permission request is used for obtaining the permission information of a document; determining whether the first permission information of the document is saved or not, based on the permission request; sending the second permission information corresponding to the document security level to the client if the first permission information is not saved, such that the client decrypts the document according to second permission information; and sending the first permission information to the client if the first permission information is saved, such that the client decrypts the document according to first permission information. According to the invention, the problem that the file permission information stored by a server increases infinitely is solved, useless data is effectively removed, the storing burden of the server is released, and the operation cost is lowered.

Description

technical field [0001] The present invention relates to the field of security, in particular to a document authority management method, device and system. Background technique [0002] In order to protect the security of internal information, modern enterprises deploy file encryption systems within the enterprise. File encryption systems usually include two parts: server and client. The client runs on each user's computer and may have a graphical interface for operation. The client is usually used for file encryption and document decryption. The server is usually used to store user information and authorization information for files. [0003] When distributing a document, the author of the document (or the designated person with reauthorization authority) usually needs to specify who has what authority to the document in the client program. Among them, the authority has multiple granularities, and some can be specified separately for reading and editing. , printing, full c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L29/06G06F21/00G06F21/62
CPCG06F21/6209H04L63/102H04L9/088G06F21/604G06F21/6218H04L2209/603G06Q10/10
Inventor 席育孝陈敦
Owner CHENGDU HUAWEI TECH
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