CN103310159A - Method and system for safely taking out electronic file with mobile intelligent terminal - Google Patents
Method and system for safely taking out electronic file with mobile intelligent terminal Download PDFInfo
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- CN103310159A CN103310159A CN2013102468967A CN201310246896A CN103310159A CN 103310159 A CN103310159 A CN 103310159A CN 2013102468967 A CN2013102468967 A CN 2013102468967A CN 201310246896 A CN201310246896 A CN 201310246896A CN 103310159 A CN103310159 A CN 103310159A
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Abstract
The invention discloses a method and a system for safely taking out an electronic file with a mobile intelligent terminal. The method comprises the steps that enterprise staff use the mobile intelligent terminal to connect outgoing server registration equipment, and use the mobile intelligent terminal to apply for the electronic file to be taken out; the examined and approved electronic file is encrypted and bound with authentication information; and then the electronic file can be taken out for use outside an enterprise by mobile intelligent terminal equipment. A credited user accomplishing equipment registration can only decrypt and open the corresponding electronic file within the specified file use term, on the specific mobile intelligent terminal equipment, and on the premise of corresponding with the file opening times and the file opening time. If the electronic file is distributed to other mobile intelligent terminal equipment in a violation manner, the electronic file cannot be decrypted, and the violated electronic file is destroyed. According to the method and the system, the authentication and the use of the electronic file can be performed off-line, and the security of the storage and the use of the electronic file taken out by the mobile intelligent terminal equipment is ensured to the full extent.
Description
Technical field
The invention belongs to information security and field of mobile terminals, relate to the method and system that a kind of mobile intelligent terminal of mobile intelligent terminal is taken safely e-file out of.
Background technology
Current, increasing enterprise staff is used for the mobile intelligent terminal equipment such as iPhone, iPad or Android to process the business relevant with work in the middle of enterprise's routine work, realizes mobile office.Under many circumstances because of need of work, the employee needs to take the office e-file of enterprises out of the corporate environment outside by mobile intelligent terminal equipment, be used for the mobile office purposes such as information and scheme displaying, the mode of this information interchange and displaying, will become promote the efficient convenient work of enterprise staff key factor.
Enterprise's e-file is distributed to numerous mobile intelligent terminal users, takes enterprise out of by mobile intelligent terminal equipment outside, the risk that this company information that enterprise will be faced leaks.At first, very easily lose the risk that to bring the e-file stored on the equipment to be leaked out as this mobile intelligent terminal equipment of mobile phone; Simultaneously, be to be checked by any user who takes this equipment anywhere or anytime for the e-file that copies on the mobile intelligent terminal, the well scope of checking and the authority of control documents; And, be stored in the e-file on the mobile intelligent terminal equipment, probably by the user consciously or unconsciously be transmitted to other staff, use safety to guarantee.
For the risk of storing and using e-file to bring at mobile intelligent terminal, current more existing solutions.Such as " deedbox " security management program by moving on the mobile intelligent terminal, in conjunction with password authentication mechanism access e-file; Or by the gateway accessing technology, the mobile intelligent terminal equipment that is connected into enterprises is authenticated, check whether authenticated closes rule; Or by the application of Web page access enterprise, utilize " virtual desktop " technology online access enterprise's file or data.But all there are various problems in these solutions: " deedbox " is though guaranteed the storage security of file, but this only solves mobile phone and loses file not by the problem of divulging a secret, if the user has a mind to or unintentionally file transfer gone out, still can cause the e-file leakage of information; By the gateway accessing technology, solved the authentication of user to the access of enterprises e-file, but any user who passes through authentication can take enterprises e-file information copy out of without restriction to mobile intelligent terminal equipment; Use " virtual desktop " technology online access enterprises file by the Web page, require the mobile intelligent terminal user that reliable high bandwidth network environment need to be arranged, and under many circumstances, the high bandwidth network environment of corporate environment outside can't guarantee.
Summary of the invention
In view of this, the invention provides the method and system that a kind of mobile intelligent terminal is taken safely e-file out of, the management that realization is taken out of safely by mobile intelligent terminal e-file, the use safety that has guaranteed to take out of e-file.
Technical scheme of the present invention is achieved in that specifically a kind of mobile intelligent terminal takes safely the method for e-file out of, and the method may further comprise the steps:
1) user sends out server at mobile intelligent terminal and initiates registration outside e-file, and described mobile intelligent terminal and user are bound;
2) can take the e-file authority out of when user request, outside e-file, send out server at mobile intelligent terminal and carry out e-file and take application out of;
2-1) e-file being taken out of application examines;
2-2) be encrypted the binding authorization information to examining taken out of the e-file that passes through;
Taken out of the e-file that 2-3) will bind after the authorization information is distributed to mobile intelligent terminal;
3) receive and deciphering at mobile intelligent terminal, checking can be taken e-file out of.
Further, described mobile intelligent terminal sends to e-file with device id, user and password information and sends out server execution registration outward, and sends out server retrieves user list, tissue tabulation, the ID of company and key information outside e-file.
Further, described e-file send out outward server to e-file take out of the application mode of examining comprise following one or more:
Automatically examine mode, namely send out server outward by e-file, arrange and the e-file that sends from designated user is taken out of application carry out and automatically to examine;
Random code/identifying code is examined mode, and namely mobile intelligent terminal produces and examines random code, sends out server outward by e-file and generates identifying code based on this random code, and mobile intelligent terminal is inputted corresponding identifying code again and verified, execution is examined;
Administrator hand is examined, and namely sends out server by the keeper outward by e-file, and the application of directly mobile intelligent terminal being sent is carried out and examined, and examines the result for passing through or refusal.
Further, the step that can take e-file binding authorization information out of is comprised:
A) e-file is sent out server outward and is encrypted examining taken out of the electronic file content of passing through;
B) e-file is sent out server outward every authorization information is encrypted;
C) authorization information after will encrypting with encrypt after the binding of taken out of e-file, generate taken out of the e-file of binding authorization information.
Further, described authorization information comprises user list, tissue tabulation, the affiliated ID of company, device id, access times and service time.
Further, the described mode of taking the e-file mobile intelligent terminal out of of distribution be following one or more: mail, network push or Web download.
Further, described mobile intelligent terminal verifies that the step that can take e-file out of comprises:
A) decipher the authorization information that to take e-file out of;
B) each property value of contrast verification information judgement;
C) judge whether to meet and take request for utilization out of, as meet the requirements, then decipher and show electronic file content, as undesirable, then e-file carried out and destroyed.
The present invention also proposes a kind of mobile intelligent terminal and takes safely hypermedia system out of, it is characterized in that, this system comprises:
The mobile intelligent terminal e-file is sent out facility registration unit in the server outward, is examined administrative unit, file binding unit and file distribution unit, wherein,
The facility registration unit is used for managing user information, and processes the registration request from mobile intelligent terminal equipment;
Examine administrative unit, be used for examining the next e-file of sending to mobile intelligent terminal and take application out of;
File binding unit is used for being encrypted examining taken out of e-file and the authorization information passed through, and taken out of the e-file binding with authorization information and after encrypting;
File distribution unit is distributed to corresponding mobile intelligent terminal equipment for taken out of the e-file that will bind authorization information;
And facility registration application unit, file in the mobile intelligent terminal take application unit and e-file verification management unit out of, wherein,
The facility registration application unit is used for mobile intelligent terminal connecting electronic file and sends out the registration of server actuating equipment outward;
File is taken application unit out of, is used for receiving e-file and sends out taken out of the e-file that server sends outward, or import the outer generating son file that Email is sent, or be used for the outer generating son file in the Web service of download distribution;
E-file verification management unit is used for carrying out the decryption verification of authorization information when mobile intelligent terminal equipment is opened e-file, then deciphers and open the e-file mobile intelligent terminal such as checking by deciphering.
Further, also comprise e-file destruction unit, be used for carrying out the destruction operation to meeting the e-file of taking the conditioned disjunction Decryption failures out of, the violation e-file on the mobile intelligent terminal is left in destruction in.
Further, described e-file verification management unit, but the operation of the distribution of document information by program inhibition execute file content.
By foregoing description as seen, the present invention can be achieved as follows effect:
When e-file is taken in the enterprise staff application out of, only have through the e-file of examining and just can take out of by mobile intelligent terminal equipment.And only finish the credit household that is subjected to of registration, in the file term of life of regulation, on specific mobile intelligent terminal equipment, under the prerequisite that meets the File Open number of times, just can decipher and open corresponding e-file, by this mode, realize e-file and the apparatus bound taken out of.If e-file is distributed on other mobile intelligent terminal equipment in violation of rules and regulations, then can not successfully decipher, the e-file of Misuse is carried out destroyed simultaneously.
Be compared with existing technology, advantage of the present invention is:
With mobile intelligent terminal equipment, user and e-file binding, in conjunction with the safety inspection verification condition, the use of e-file is combined with mobile intelligent terminal and user rs authentication; And e-file is sent out examining that server unified management user's registration and e-file take out of outward, and the e-file checking does not rely on network environment with using, and can use by off-line; Simultaneously, carry out for the e-file of Misuse and to destroy, at utmost guaranteed the storage of the e-file taken out of by mobile intelligent terminal equipment and the safety of use.
Description of drawings
Fig. 1 is the process flow diagram that mobile intelligent terminal provided by the invention is taken safely the method for e-file out of;
Fig. 2 is that e-file provided by the invention is encrypted the schematic diagram of binding with authorization information;
Fig. 3 is that e-file provided by the invention is taken the process flow diagram of examining out of;
Fig. 4 is e-file checking provided by the invention and the process flow diagram of showing.
Embodiment
The mobile intelligent terminal that the present embodiment uses with certain unit is taken safely hypermedia system out of as example, describes the present invention in detail.In this system, an e-file at first is installed is sent out server outward, then set up applications on based on the smart mobile phone of Android system.
A kind of mobile intelligent terminal is taken safely the method for e-file out of, it is characterized in that, the method may further comprise the steps:
A) being registered in e-file sends out the mobile intelligent terminal of server outward and sends out server send e-file and take application out of outside described e-file;
B) described e-file send out outward server to e-file take out of the application examine;
C) to send out server outward be to examine taken out of the e-file binding authorization information of passing through to described e-file;
D) described e-file is sent out server outward and will be bound the described e-file of taking out of of authorization information and be distributed to mobile intelligent terminal;
E) described mobile intelligent terminal checking and show the described e-file of taking out of.
Described mobile intelligent terminal sends to e-file with device id, user and password information and sends out server outward, carries out registration, and sends out the information such as server retrieves user list, tissue tabulation, the ID of company and key information outside e-file.
Described e-file is sent out server outward and e-file is taken out of the application step of examining is comprised:
A) sending out server by mobile intelligent terminal equipment outside e-file sends e-file and takes application out of;
B) e-file is sent out server outward and is carried out and to examine, as examine by, then can carry out e-file and take out of, as examine and do not pass through, then e-file can not be carried out and take out of.
Described e-file is sent out server outward and e-file is taken out of the application mode of examining is comprised:
Automatically examine mode, namely send out server outward by e-file, arrange and the e-file that sends from designated user is taken out of application carry out and automatically to examine;
Perhaps, random code/identifying code is examined mode, and namely mobile intelligent terminal produces and examines random code, sends out server outward by e-file and generates identifying code based on this random code, and mobile intelligent terminal is inputted corresponding identifying code again and verified, execution is examined;
Perhaps, administrator hand is examined, and namely sends out server by the keeper outward by e-file, and the application of directly mobile intelligent terminal being sent is carried out and examined, and examines the result for passing through or refusal.
Described step of binding authorization information for examining taken out of the e-file that passes through comprises:
A) e-file is sent out server outward and is encrypted examining taken out of the electronic file content of passing through;
B) e-file is sent out server outward every authorization information is encrypted;
C) authorization information after will encrypting with encrypt after the binding of taken out of e-file, generate taken out of the e-file of binding authorization information.
Described authorization information includes but not limited to, user list, tissue tabulation, the affiliated ID of company, device id, access times and service time etc.
Described taken out of the e-file that will bind authorization information is distributed to mobile intelligent terminal, be that taken out of e-file after authorization information is successfully bound is distributed to the mobile intelligent terminal that closes rule, can carry out by modes such as mail, network push and Web downloads and can take the e-file distribution out of.
Described mobile intelligent terminal checking also shows that the step that can take e-file out of comprises:
A) decipher the authorization information that to take e-file out of;
B) each property value of contrast verification information judgement;
C) judge whether to meet and take request for utilization out of, as meet the requirements, then decipher and show electronic file content, as undesirable, then e-file carried out and destroyed.
A kind of mobile intelligent terminal is taken safely hypermedia system out of, it is characterized in that, this system comprises:
The mobile intelligent terminal e-file is sent out facility registration unit in the server outward, is examined administrative unit, file binding unit and file distribution unit, wherein,
The facility registration unit is used for managing user information, and processes the registration request from mobile intelligent terminal equipment;
Examine administrative unit, be used for examining the next e-file of sending to mobile intelligent terminal and take application out of;
File binding unit is used for being encrypted examining taken out of e-file and the authorization information passed through, and taken out of the e-file binding with authorization information and after encrypting;
File distribution unit is distributed to corresponding mobile intelligent terminal equipment for the e-file that will bind authorization information.
And facility registration application unit, file in the mobile intelligent terminal take application unit and e-file verification management unit out of, wherein,
The facility registration application unit is used for mobile intelligent terminal connecting electronic file and sends out the registration of server actuating equipment outward;
File is taken application unit out of, is used for receiving e-file and sends out taken out of the e-file that server sends outward, or import the outer generating son file that Email is sent, or be used for the outer generating son file in the Web service of download distribution;
E-file verification management unit is used for carrying out the decryption verification of authorization information when mobile intelligent terminal equipment is opened e-file, then deciphers and open e-file such as checking by deciphering.
Described e-file verification management unit, but can copying, copy, shear, sharing and the operation of the distribution of document information such as forwarding by program inhibition execute file content.
Further, above-mentioned mobile intelligent terminal is taken safely hypermedia system out of and is also comprised e-file destruction unit, be used for not carrying out the destruction operation to meeting the e-file of taking the conditioned disjunction Decryption failures out of, destroy the violation e-file that leaves on the mobile intelligent terminal.
A, e-file are sent out server outward
E-file is sent out server outward and is used for the facility registration request that the management intelligent mobile phone terminal is sent, examine the e-file that intelligent mobile phone terminal sends and take application out of, carry out the encryption of e-file and the binding of authorization information, and the e-file after will binding is distributed to its corresponding mobile intelligent terminal.
B, operate in the application program on the smart mobile phone
Operate in the application program on the mobile intelligent terminal, the connecting electronic file is sent out the registration of server actuating equipment outward, outside e-file, send out server and send the application of taking e-file out of, and receive e-file to send out server outward and divide taken out of the e-file of sending, when using application program to open the e-file of taking out of, authorization information to e-file checks, can decipher and show electronic file content after inspection is passed through.
The below introduces the use that mobile intelligent terminal is taken safely hypermedia system out of in detail, is the process flow diagram that mobile intelligent terminal provided by the invention is taken safely the method for e-file out of as shown in Figure 1:
The application devices application for registration unit of user by moving on the smart mobile phone, outside e-file, send out the facility registration request of sending of server, during registration, smart mobile phone is sent out server and is sent registered user name outside e-file, the information such as password and device id, e-file is sent out the user name of storing in server and the database outward, password information is verified, if the verification passes, then this time registration runs succeeded, and will device id and the user profile binding after store in the database, only have equipment and user after the registration carried out just can carry out follow-up e-file and take application out of and operate.
The user sends e-file by smart mobile phone and takes application out of, sends out server and carry out to take out of and examine outside e-file, is that e-file provided by the invention is encrypted the schematic diagram with the authorization information binding as shown in Figure 2:
Step 201, the user utilizes the e-file of smart mobile phone application program to take application unit out of, and the connecting electronic file is sent out server outward, checks the electronic file list that this user has authority application to take out of, then the e-file of selecting application to take out of is carried out e-file and is taken application out of;
Step 202, the keeper can send out Server Manager Daemon outward by e-file and carry out relevant configuration, and configurable taking out of examined parameter, comprises access times, service time and usable range etc.; And the configurable mode of examining, comprise automatically examine, random code/dynamic code is examined or administrator hand is examined;
Whether step 203 is judged to examine and is passed through, if examine by, execution in step 204; Do not pass through execution in step 205 if examine;
Step 204, for examine by after e-file, carry out the subsequent operations such as e-file binding and distribution;
Step 205, for examining unsanctioned application, prompting user examining is rejected on intelligent mobile phone terminal;
Take e-file out of and examine by rear, will carry out encryption to e-file, bind simultaneously authorization information, e-file is encrypted and the binding authorization information, is that e-file provided by the invention is taken the process flow diagram of examining out of as shown in Figure 3, mainly comprises the steps:
Step 301 generates random number (R), and uses R to be encrypted as the content (content) of key-pair file (File), generates the temporary file (FileTemp) that comprises encrypted content (R (content));
By above-mentioned 3 steps, finished the e-file of taking out of has been encrypted and the authorization information binding.
After carrying out the success of e-file crypto-binding, the e-file after the binding directly is distributed on the corresponding intelligent mobile phone terminal equipment.The keeper can be configured ways of distribution by the file distribution unit that e-file is sent out server outward, comprising: by mail distribution to the equipment of correspondence; Or directly be deployed to e-file and send out outward in the server Web service download is provided; Or be pushed directly on the application program of smart mobile phone, store file into equipment this locality by application program, finish in several ways the secure distribution to e-file.
When the user uses the e-file that the application program on the smart mobile phone opens, need to decipher first and verify the authorization information in the e-file, and according to the deciphering displaying of the check result of authorization information being carried out e-file, be e-file checking provided by the invention and the process flow diagram of showing as shown in Figure 4, mainly comprise the steps:
Step 501 is used e-file to send out the private key of server (P_K ') outward the encrypted random number that is stored in the e-file is carried out deciphering, the random number after obtaining deciphering;
Step 502, the cryptographic hash of the random number after the secure processing device encrypts, and mate with the random number cryptographic hash that is stored in the e-file, whether checking is successful to the deciphering of random number, if successful decryption jumps to step 503, if Decryption failures jumps to step 507;
Step 503 uses the random number that decrypts as decruption key, the authorization information of deciphering e-file;
Step 504, check and verify each property value of information, judge whether to meet e-file and take requirement out of, the property value of inspection comprises: whether device id information mates, whether the equipment current time satisfies e-file service time requires, current device is corresponding registered user, place tissue and under the ID of company whether mate with binding information, whether e-file open number of times and meet the requirements etc.; If be proved to be successful, then jump to step 505; If authentication failed then jumps to step 507;
Step 505 uses random number as decruption key, the file content of deciphering e-file;
Step 506 is showed the e-file that decrypts;
Step 507, prompting user are checked and verified information and are not passed through;
Step 508 is carried out destruction to the e-file on the smart mobile phone.
Claims (10)
1. method that mobile intelligent terminal is taken safely e-file out of, the method may further comprise the steps:
1) user sends out server at mobile intelligent terminal and initiates registration outside e-file, and described mobile intelligent terminal and user are bound;
2) can take the e-file authority out of when user request, outside e-file, send out server at mobile intelligent terminal and carry out e-file and take application out of;
2-1) e-file being taken out of application examines;
2-2) be encrypted the binding authorization information to examining taken out of the e-file that passes through;
Taken out of the e-file that 2-3) will bind after the authorization information is distributed to mobile intelligent terminal;
3) receive and deciphering at mobile intelligent terminal, checking can be taken e-file out of.
2. the method for claim 1, it is characterized in that, described mobile intelligent terminal sends to e-file with device id, user and password information and sends out server execution registration outward, and sends out server retrieves user list, tissue tabulation, the ID of company and key information outside e-file.
3. mobile intelligent terminal the method for claim 1 is characterized in that, described e-file send out outward server to e-file take out of the application mode of examining comprise following one or more:
Automatically examine mode, namely send out server outward by e-file, arrange and the e-file that sends from designated user is taken out of application carry out and automatically to examine;
Random code/identifying code is examined mode, and namely mobile intelligent terminal produces and examines random code, sends out server outward by e-file and generates identifying code based on this random code, and mobile intelligent terminal is inputted corresponding identifying code again and verified, execution is examined;
Administrator hand is examined, and namely sends out server by the keeper outward by e-file, and the application of directly mobile intelligent terminal being sent is carried out and examined, and examines the result for passing through or refusal.
4. the method for claim 1 is characterized in that, the step that can take e-file binding authorization information out of is comprised:
A) e-file is sent out server outward and is encrypted examining taken out of the electronic file content of passing through;
B) e-file is sent out server outward every authorization information is encrypted;
C) authorization information after will encrypting with encrypt after the binding of taken out of e-file, generate taken out of the e-file of binding authorization information.
5. method as claimed in claim 4 is characterized in that, described authorization information comprises user list, tissue tabulation, the affiliated ID of company, device id, access times and service time.
6. the method for claim 1 is characterized in that, distribute described mode of taking the e-file mobile intelligent terminal out of and be following one or more: mail, network push or Web download.
7. the method for claim 1 is characterized in that, the step that described mobile intelligent terminal checking can be taken e-file out of comprises:
A) decipher the authorization information that to take e-file out of;
B) each property value of contrast verification information judgement;
C) judge whether to meet and take request for utilization out of, as meet the requirements, then decipher and show electronic file content, as undesirable, then e-file carried out and destroyed.
8. a mobile intelligent terminal is taken safely hypermedia system out of, it is characterized in that, this system comprises:
The mobile intelligent terminal e-file is sent out facility registration unit in the server outward, is examined administrative unit, file binding unit and file distribution unit, wherein,
The facility registration unit is used for managing user information, and processes the registration request from mobile intelligent terminal equipment;
Examine administrative unit, be used for examining the next e-file of sending to mobile intelligent terminal and take application out of;
File binding unit is used for being encrypted examining taken out of e-file and the authorization information passed through, and taken out of the e-file binding with authorization information and after encrypting;
File distribution unit is distributed to corresponding mobile intelligent terminal equipment for taken out of the e-file that will bind authorization information;
And facility registration application unit, file in the mobile intelligent terminal take application unit and e-file verification management unit out of, wherein,
The facility registration application unit is used for mobile intelligent terminal connecting electronic file and sends out the registration of server actuating equipment outward;
File is taken application unit out of, is used for receiving e-file and sends out taken out of the e-file that server sends outward, or import the outer generating son file that Email is sent, or be used for the outer generating son file in the Web service of download distribution;
E-file verification management unit is used for carrying out the decryption verification of authorization information when mobile intelligent terminal equipment is opened e-file, then deciphers and open the e-file mobile intelligent terminal such as checking by deciphering.
9. system as claimed in claim 8 is characterized in that, also comprises e-file destruction unit, is used for carrying out the destruction operation to meeting the e-file of taking the conditioned disjunction Decryption failures out of, and the violation e-file on the mobile intelligent terminal is left in destruction in.
10. system as claimed in claim 8 is characterized in that, described e-file verification management unit, but the operation of the distribution of document information by program inhibition execute file content.
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| CN106209779A (en) * | 2016-06-26 | 2016-12-07 | 厦门天锐科技股份有限公司 | A kind of key roaming method and system being applied to information security synergetic office work |
| CN106209779B (en) * | 2016-06-26 | 2020-02-11 | 厦门天锐科技股份有限公司 | Key roaming method and system applied to information security collaborative office |
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| CN108880822B (en) * | 2018-06-29 | 2021-06-29 | 郑州云海信息技术有限公司 | Identity authentication method, device and system and intelligent wireless equipment |
| CN110769064A (en) * | 2019-10-29 | 2020-02-07 | 广州趣丸网络科技有限公司 | System, method and equipment for offline message pushing |
| CN110769064B (en) * | 2019-10-29 | 2023-02-24 | 广州趣丸网络科技有限公司 | System, method and equipment for offline message pushing |
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