CN101840471A - Document right control method and device - Google Patents

Document right control method and device Download PDF

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Publication number
CN101840471A
CN101840471A CN201010124923A CN201010124923A CN101840471A CN 101840471 A CN101840471 A CN 101840471A CN 201010124923 A CN201010124923 A CN 201010124923A CN 201010124923 A CN201010124923 A CN 201010124923A CN 101840471 A CN101840471 A CN 101840471A
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document
authority
user
module
control
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CN201010124923A
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CN101840471B (en
Inventor
蒋德志
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Huawei Digital Technologies Chengdu Co Ltd
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Huawei Symantec Technologies Co Ltd
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Abstract

The embodiment of the invention provides a document right control method and a device. The document right control method includes the following steps: when a user views a document with set rights, obtaining user rights to the document from a server and storing the user rights according to the information of the user; adding an identifier in the document name of the document, and opening the document in a document process corresponding to the document; searching a document window handle corresponding to the document according to the identifier, and establishing and storing the corresponding relation between the document window handle, the document and the user rights to the document; and according to the document window handle of the currently operated document, searching in the stored corresponding relations in order to obtain the user rights to the currently operated document, and controlling the operation of the user on the currently operated document according to the rights. The embodiment of the invention realizes rights control on various types of documents, and does not change the default opening modes of documents, and when a plurality of documents are opened, the increase of the system overhead and the resource consumption is avoided.

Description

Document right control method and device
Technical field
The present invention relates to communication technical field, relate in particular to a kind of document right control method and device.
Background technology
Along with the level of informatization improves, enterprise utilizes computing machine to create and handle e commerce transactions information more and more, increased also simultaneously conveniently that information is intercepted, the danger of intercepting and capturing and illegal copies.Especially the sensitive information resource in business activity, used of enterprise such as needs to be keep secret such as enterprise ' s financial data table, customer information, research and development document, pictures, to bring huge information assets loss to company in case leak, and the reputation and the business relations of the company of giving bring harm.
The document security Rights Management System is by encrypting confidential document and the active user control of authority, can be enterprise the shared mechanism of the confidential information under the security certificate is provided, can effectively control the information-leakage that causes because of reading, modification and the distribution of document that is not subjected to the authority restriction again.
The basic security control of authority of document generally comprises:
(1) read-only authority control: can only reading documents, can not revise document, document cannot be deposited in addition;
(2) revise control of authority: can revise document, can duplicate stickup, document content cannot be copied to the outside, document cannot be deposited in addition in document inside;
(3) total-control authority control: have all authorities.
The add-on security control of authority of document generally comprises:
(a) duplicate control of authority: document content can be copied to the document outside;
(b) print right control: can print, can also and print watermark and control to printing times;
(c) off-line control of authority: can the off-line opening document;
(d) open number of times control: the number of times of opening of controlling document;
(e) term of validity control: the term of validity of control document authority.
But, existing document security authority control method exist the document format of supporting limited, change the unfolding mode of document acquiescence, and when opening a plurality of document, the problem that system overhead and resource consumption are big.
Summary of the invention
The embodiment of the invention provides a kind of document right control method and device, with realization various types of documents is carried out control of authority, and does not change the unfolding mode of document acquiescence.
The embodiment of the invention provides a kind of document right control method, comprising:
When the user checks the document that authority is set,, obtain and preserve the authority that described user has described document from server according to described user's information;
In the filename of described document, add sign, and in the document process of described document correspondence, open described document;
Search the document window handle of described document correspondence according to described sign, set up and preserve the corresponding relation of the authority that described document window handle, described document and described user have described document;
When one of at least two documents opening in to described document process as described user are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that described user has described current operation document, and according to the operation of the described user of described control of authority to described current operation document.
The embodiment of the invention also provides a kind of document control of authority device, comprising:
The authority acquiring module is used for when the user checks the document that authority is set, and according to described user's information, obtains the authority that described user has described document from server;
Preserve module, be used to preserve the authority that described authority acquiring module is obtained;
Add module, be used for adding sign at the filename of described document;
Open module, be used for opening described document in the document process of described document correspondence;
Search module, be used for searching the document window handle of described document correspondence according to the sign that described interpolation module is added;
Set up module, be used to set up described search module searches to the corresponding relation of document window handle, described document and described user authority that described document is had;
Described preservation module also is used to preserve the described corresponding relation that module is set up of setting up;
Obtain module, when being used for one of at least two documents described document process being opened as described user and operating, document window handle according to current operation document, in the corresponding relation that described preservation module is preserved, search, obtain the authority that described user has described current operation document;
Control module is used for the described user of control of authority that obtains according to the described acquisition module operation to described current operation document.
The embodiment of the invention is added sign in the filename of document, search the document window handle of document correspondence according to this sign, sets up and preserve the corresponding relation of the authority that document window handle, document and user have the document; When one of at least two documents opening in the document process of this user to the document correspondence are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that this user has current operation document, and then can be according to the operation of this control of authority user to document.Thereby realized various types of documents are carried out control of authority, and do not changed the unfolding mode of document acquiescence, when opening a plurality of document, avoided the increase of system overhead and resource consumption.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of an embodiment of document right control method of the present invention;
Fig. 2 is the process flow diagram of another embodiment of document right control method of the present invention;
Fig. 3 is the structural representation of an embodiment of document control of authority device of the present invention;
Fig. 4 is the structural representation of another embodiment of document control of authority device of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of protection of the invention.
Fig. 1 is the process flow diagram of an embodiment of document right control method of the present invention, and as shown in Figure 1, this embodiment can comprise:
The authority that this user has the document is obtained and preserved to step 101 when the user checks the document that authority is set, according to this user's information, from server.
In the present embodiment, document author or document administrator are provided with after the authority that the user has document, and client uploads onto the server the user who is provided with to the authority that document has, preserve this authority by server.Particularly, document author or document administrator can be provided with the authority that the user has document according to user's rank, for example: domestic consumer has read-only authority to the document, and intermediate users has the modification authority to the document, and advanced level user has total-control authority etc. to the document; The authority that can be in database or the data file corresponding user who preserves different stage of server has the document; When the user checks the document that authority is set, client can be sent to server with this user's information, determine this user's rank according to this user's information at server, and then determine after the authority that this user has the document according to this user's rank, client can be obtained the authority that this user has the document from server, then this user of obtaining of client storage authority that the document is had; Wherein, this user's information can identify the information of this user identity for this user's user name or user ID etc.It below only is a kind of implementation of present embodiment, the embodiment of the invention is not limited in this, the embodiment of the invention does not limit from the mode that server obtains the document authority the set-up mode of document authority, mode and the client that server is preserved the document authority, as long as client can be obtained this user from server the authority that the document has is got final product according to user's information.
Step 102 is added sign, and open the document in the document process of the document correspondence in the filename of the document.
In the present embodiment, the window title of document system acquiescence document is the filename of the document, and client is added in the filename of the document after the sign, can comprise this sign automatically in the window title of the document.This sign can generate according to the comspec of the document; Particularly, client can be passed through information-summary 5 (Message-Digest Algorithm 5 according to the comspec of document; Hereinafter to be referred as MD5) algorithm generates this sign.Because the comspec of document is unique in Windows operating system, therefore being identified at of comspec generation according to the document also is unique in the Windows operating system.
Certainly the embodiment of the invention is not limited in this, client also can adopt other mode to generate above-mentioned sign, as long as being identified in the operating system of generating is unique, operating system in the embodiment of the invention also is not limited in Windows operating system, this operating system can also be Linux or Unix operating system, but the embodiment of the invention is that example describes with Windows operating system.
In the present embodiment, client can adopt " the many documents of one process " mode of document system acquiescence, opens above-mentioned document in the document process of the document correspondence.
Step 103 is searched the document window handle of the document correspondence according to this sign, sets up and preserve the corresponding relation of the authority that the document window handle, the document and this user have the document.
In the present embodiment,, therefore can uniquely find the document window handle of the document correspondence according to this sign owing to be unique in the above-mentioned Windows of the being identified at operating system.The document window handle is unique in Windows operating system, and the document window handle can document of unique identification.
After the corresponding relation of setting up and preserve the authority that the document window handle, the document and this user have the document, client can revert to the window title of document the filename of document system acquiescence.
Step 104, when one of at least two documents opening in to above-mentioned document process as this user are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that this user has current operation document, and according to the operation of this user of control of authority who obtains to current operation document.
One of at least two documents opening in to above-mentioned document process above-mentioned user print, duplicate or during operation such as preservation, client can be according to the document window handle of current operation document, in the corresponding relation of preserving, search, obtain the authority that this user has this current operation document, client can be according to the operation of this user of control of authority who obtains to this current operation document then; Particularly, client can be passed through windows messaging hook (Windows Hook) technology, and this user of control of authority who according to this user current operation document is had in the document process of the document correspondence is to the operation of this current operation document.
In the present embodiment, the type of document can be Office or Portable Document format (PortableDocument Format; Hereinafter to be referred as: all kinds such as PDF); The document can be the safety encipher document, also can be non-encrypted document.
In the foregoing description, client is added sign in the filename of document, search the document window handle of document correspondence according to this sign, sets up and preserve the corresponding relation of the authority that document window handle, document and user have the document; When one of at least two documents opening in the document process of this user to the document correspondence are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that this user has current operation document, and then can be according to the operation of this control of authority user to current operation document.Thereby realized various types of documents are carried out control of authority, and do not changed the unfolding mode of document acquiescence, when opening a plurality of document, avoided the increase of system overhead and resource consumption.
Fig. 2 is the process flow diagram of another embodiment of document right control method of the present invention, and present embodiment is the safety encipher document with the document, and operating system is that example describes for Windows operating system.As shown in Figure 2, this embodiment can comprise:
Step 201, when the user checked the safety encipher document that authority is set, the authority that this user has this safety encipher document is obtained and preserved to client according to this user's information from server.
In the present embodiment, document author or document administrator are provided with after the authority that the user has the safety encipher document, and client uploads onto the server the user who is provided with to the authority that the safety encipher document has, preserve this authority by server.Particularly, document author or document administrator can be provided with the authority that the user has the safety encipher document according to user's rank, for example: domestic consumer has read-only authority to this safety encipher document, intermediate users has the modification authority to this safety encipher document, and advanced level user has total-control authority etc. to this safety encipher document; The authority that can be in database or the data file corresponding user who preserves different stage of server has this safety encipher document; When the user checks the safety encipher document that authority is set, client can be sent to server with this user's information, determine this user's rank according to this user's information at server, and then determine after the authority that this user has this safety encipher document according to this user's rank, client can be obtained the authority that this user has this safety encipher document from server, then this user of obtaining of client storage authority that this safety encipher document is had; Wherein, this user's information can identify the information of this user identity for this user's user name or user ID etc.
It below only is a kind of implementation of the present invention, the embodiment of the invention is not limited in this, mode and client that the embodiment of the invention is preserved safety encipher document authority to set-up mode, the server of safety encipher document authority do not limit from the mode that server obtains safety encipher document authority, as long as client can be obtained this user from server the authority that this safety encipher document has is got final product according to user's information.
Step 202, client increase sign in the filename of this safety encipher document.
In the present embodiment, the window title of document system acquiescence safety encipher document is the filename of this safety encipher document, and client increases in the filename of this safety encipher document after the sign, can comprise this sign automatically in the window title of this safety encipher document.
Wherein, can adopt the method that provides in the present invention's step 102 embodiment illustrated in fig. 1 when client generates this sign, not repeat them here.
Step 203, client is decrypted this safety encipher document, in the document process of this safety encipher document correspondence, the operation of opening this safety encipher document.
In the present embodiment, client can adopt " the many documents of one process " mode of document system acquiescence in the operation of opening the safety encipher document.
Step 204, client is searched the document window handle of this safety encipher document correspondence according to sign, sets up and preserve the corresponding relation of the authority that the document window handle, this safety encipher document and this user have this safety encipher document.
In the present embodiment,, therefore can uniquely find the document window handle of the document correspondence according to this sign owing to be unique in the above-mentioned Windows of the being identified at operating system.The document window handle is unique in Windows operating system, and the document window handle can document of unique identification.
Step 205, client revert to the window title of safety encipher document the filename of document system acquiescence.
At this moment, client is shown to the user with the safety encipher document of opening.
Step 206, when one of at least two safety encipher documents opening in to above-mentioned document process as this user are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that this user has current operation document, and according to the operation of this user of control of authority who obtains to current operation document.
In the present embodiment, one of at least two safety encipher documents opening in to above-mentioned document process as the user print, duplicate or during operation such as preservation, client can be according to the document window handle of current operation document, search at the corresponding relation of preserving, obtain the authority that this user has this current operation document, client can be according to the operation of this control of authority user to this current operation document then; Particularly, client can be passed through Windows Hook technology, and the control of authority user who according to the user current operation document is had in the document process of this safety encipher document correspondence is to the operation of this current operation document.
In the present embodiment, the type of this safety encipher document can be all kinds such as Office or PDF.
In the foregoing description, client is added sign in the filename of safety encipher document, search the document window handle of this safety encipher document correspondence according to this sign, set up and preserve the corresponding relation of the authority that document window handle, this safety encipher document and user have this safety encipher document; When one of at least two safety encipher documents opening in the document process of this user to this safety encipher document correspondence are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that this user has current operation document, and then can be according to the operation of this control of authority user to current operation document.Thereby realized various types of documents are carried out control of authority, and do not changed the unfolding mode of document acquiescence, when opening a plurality of document, avoided the increase of system overhead and resource consumption.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 3 is the structural representation of an embodiment of document control of authority device of the present invention, and the document control of authority device in the present embodiment can be used as client, or the part of client, realizes the present invention's flow process embodiment illustrated in fig. 1.The document control of authority device that present embodiment provides can be used for operating systems such as Windows, Linux or Unix, but present embodiment is that example describes with Windows operating system.
As shown in Figure 3, the document control of authority device can comprise: authority acquiring module 31, preserve module 32, add module 33, open module 34, search module 35, set up module 36, obtain module 37 and control module 38.
Wherein, authority acquiring module 31 is used for when the user checks the document that authority is set, and according to this user's information, obtains the authority that this user has the document from server.
Preserve module 32, be used to preserve the authority that authority acquiring module 31 is obtained.
In the present embodiment, document author or document administrator are provided with after the authority that the user has document, and this authority is uploaded to server, preserves this authority by server.Particularly, document author or document administrator can be provided with the authority that the user has document according to user's rank, for example: domestic consumer has read-only authority to the document, and intermediate users has the modification authority to the document, and advanced level user has total-control authority etc. to the document; The authority that can be in database or the data file corresponding user who preserves different stage of server has the document; When the user checks the document that authority is set, authority acquiring module 31 can be sent to server with this user's information, determine this user's rank according to this user's information at server, and then determine after the authority that this user has the document according to this user's rank, authority acquiring module 31 can be obtained the authority that this user has the document from server, preserves module 32 then and can preserve the authority that this user that authority acquiring module 31 obtains has the document; Wherein, this user's information can identify the information of this user identity for this user's user name or user ID etc.It below only is a kind of implementation of present embodiment, the embodiment of the invention is not limited in this, the embodiment of the invention does not limit from the mode that server obtains the document authority the set-up mode of document authority, mode and the authority acquiring module 31 that server is preserved the document authority, as long as authority acquiring module 31 can be obtained this user from server the authority that the document has is got final product according to user's information.
Add module 33, be used for adding sign at the filename of the document; In the present embodiment, the window title of document system acquiescence document is the filename of the document, adds module 33 and adds in the filename of the document after the sign, can comprise this sign automatically in the window title of the document.
Open module 34, be used for opening the document in the document process of the document correspondence.
Search module 35, be used for searching the document window handle of the document correspondence according to the sign of adding module 33 interpolations; In the present embodiment, be unique, therefore search the document window handle that module 35 can uniquely find the document correspondence according to this sign owing to add module 33 being identified in the Windows operating system of interpolation.The document window handle is unique in Windows operating system, and the document window handle can document of unique identification.
Set up module 36, be used to set up the corresponding relation of the authority that the document window handle, the document and this user that search module 35 and find have the document.At this moment, preserve module 32 and also be used to preserve the corresponding relation of setting up module 36 foundation.After preserving the above-mentioned corresponding relation of module 32 preservations, client can revert to the window title of document the filename of document system acquiescence.
Obtain module 37, when being used for one of at least two documents above-mentioned document process being opened as the user and operating, according to the document window handle of current operation document, in the corresponding relation of preserving module 32 preservations, search, obtain the authority that this user has this current operation document.
Control module 38 is used for the operation to this current operation document according to this user of control of authority who obtains module 37 acquisitions.Particularly, control module 38 can be passed through Windows Hook technology, in above-mentioned document process according to obtain that module 37 obtains this user of control of authority to the operation of this current operation document.
Fig. 4 is the structural representation of another embodiment of document control of authority device of the present invention, and the document control of authority device in the present embodiment can be used as client, or the part of client, realizes Fig. 1 of the present invention or flow process embodiment illustrated in fig. 2.
Compare with document control of authority device shown in Figure 3, different is that document control of authority device shown in Figure 4 can further include: generation module 39.
Wherein, generation module 39 is used for generating above-mentioned sign according to the comspec of the document.Particularly, generation module 39 can generate this sign by the MD5 algorithm according to the comspec of document.Because the comspec of document is unique in Windows operating system, therefore being identified at of comspec generation according to the document also is unique in the Windows operating system.Certainly the embodiment of the invention is not limited in this, and client also can adopt other mode to generate above-mentioned sign, as long as being identified in the operating system of generating is unique.
Above-mentioned document control of authority device has been realized various types of documents are carried out control of authority, and does not change the unfolding mode of document acquiescence, when opening a plurality of document, has avoided the increase of system overhead and resource consumption.
The embodiment of the invention provides a kind of document right control method and device, can according to the document window handle, realize the control to the document authority under " the many documents of one process " mode of document system acquiescence; And when opening a plurality of document, do not change " the many documents of one process " mode of document system acquiescence, therefore can open a plurality of documents, avoided the increase of system overhead and resource consumption in same document process; And the embodiment of the invention is not limited in Office document and PDF document, can support various Doctypes; And document right control method that the embodiment of the invention provides and device not only can be used for Windows operating system, also can be used for Linux or Unix operating system.
It will be appreciated by those skilled in the art that accompanying drawing is the synoptic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (6)

1. a document right control method is characterized in that, comprising:
When the user checks the document that authority is set,, obtain and preserve the authority that described user has described document from server according to described user's information;
In the filename of described document, add sign, and in the document process of described document correspondence, open described document;
Search the document window handle of described document correspondence according to described sign, set up and preserve the corresponding relation of the authority that described document window handle, described document and described user have described document;
When one of at least two documents opening in to described document process as described user are operated, document window handle according to current operation document, in the corresponding relation of preserving, search, obtain the authority that described user has described current operation document, and according to the operation of the described user of described control of authority to described current operation document.
2. method according to claim 1 is characterized in that, also comprises:
Comspec according to described document generates described sign.
3. method according to claim 1 is characterized in that, describedly according to the described user of described control of authority the operation of described current operation document is comprised:
By the windows messaging Hook Technique, in described document process according to the operation of the described user of described control of authority to described current operation document.
4. a document control of authority device is characterized in that, comprising:
The authority acquiring module is used for when the user checks the document that authority is set, and according to described user's information, obtains the authority that described user has described document from server;
Preserve module, be used to preserve the authority that described authority acquiring module is obtained;
Add module, be used for adding sign at the filename of described document;
Open module, be used for opening described document in the document process of described document correspondence;
Search module, be used for searching the document window handle of described document correspondence according to the sign that described interpolation module is added;
Set up module, be used to set up described search module searches to the corresponding relation of document window handle, described document and described user authority that described document is had;
Described preservation module also is used to preserve the described corresponding relation that module is set up of setting up;
Obtain module, when being used for one of at least two documents described document process being opened as described user and operating, document window handle according to current operation document, in the corresponding relation that described preservation module is preserved, search, obtain the authority that described user has described current operation document;
Control module is used for the described user of control of authority that obtains according to the described acquisition module operation to described current operation document.
5. device according to claim 4 is characterized in that, also comprises:
Generation module is used for generating described sign according to the comspec of described document.
6. device according to claim 4, it is characterized in that, described control module specifically is used for by the windows messaging Hook Technique, and the described user of control of authority who obtains according to described acquisition module in described document process is to the operation of described current operation document.
CN201010124923XA 2010-03-12 2010-03-12 Document right control method and device Expired - Fee Related CN101840471B (en)

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CN103810565A (en) * 2014-01-26 2014-05-21 中南大学 Workflow service based data processing method
CN106055986A (en) * 2016-05-06 2016-10-26 北京优炫软件股份有限公司 Method and device for permission control
CN106897078A (en) * 2015-12-17 2017-06-27 珠海市君天电子科技有限公司 Information obtaining method and device
CN106919665A (en) * 2017-02-16 2017-07-04 江苏神州信源系统工程有限公司 The management-control method and device of e-file in a kind of Windows operating system
CN109472140A (en) * 2017-12-29 2019-03-15 北京安天网络安全技术有限公司 The method and system of software cryptography are extorted based on the prevention of forms header checksum
CN110532121A (en) * 2019-08-20 2019-12-03 新华三大数据技术有限公司 Business module localization method and device
CN112035861A (en) * 2020-09-04 2020-12-04 中国工商银行股份有限公司 Online document processing method and device and electronic equipment
CN112131533A (en) * 2020-08-27 2020-12-25 北京云动智效网络科技有限公司 Document protection method and system
CN112257037A (en) * 2020-11-13 2021-01-22 北京明朝万达科技股份有限公司 Process watermarking method and system and electronic equipment
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