CN108427889A - Document handling method and device - Google Patents

Document handling method and device Download PDF

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Publication number
CN108427889A
CN108427889A CN201810023924.1A CN201810023924A CN108427889A CN 108427889 A CN108427889 A CN 108427889A CN 201810023924 A CN201810023924 A CN 201810023924A CN 108427889 A CN108427889 A CN 108427889A
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CN
China
Prior art keywords
key
version information
file destination
new key
information
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810023924.1A
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Chinese (zh)
Inventor
孙明珠
刘莲
周华莹
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Lianjia Beijing Technology Co Ltd
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Lianjia Beijing Technology Co Ltd
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Priority to CN201810023924.1A priority Critical patent/CN108427889A/en
Publication of CN108427889A publication Critical patent/CN108427889A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2107File encryption

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)

Abstract

A kind of document handling method of present invention offer and device, this method include:The trigger signal for getting more new key obtains new key version information according to the trigger signal;Corresponding new key is obtained according to the new key version information file destination in database is encrypted, and delete by the encrypted file destination of old key;After encryption, the encryption information of the file destination is recorded.Document handling method and device provided in an embodiment of the present invention, by the trigger signal for getting more new key, new key version information is obtained according to the trigger signal, corresponding new key is obtained according to the new key version information file destination in database is encrypted, and it deletes by the encrypted file destination of old key, it realizes timing or carries out key version updating in time after key is leaked, efficiently quickly ensure data safety.

Description

Document handling method and device
Technical field
The present invention relates to technical field of information processing more particularly to a kind of document handling methods and device.
Background technology
Problem of data safety is always a comparison sensitive issue, even if being stored in each company server of oneself Database in, it is seen that property is still a very serious problem.For example, some user grasped database user name and Password has stealthily checked all data, and being either directly derived all data all can be very big to company or group's generation Influence.It further says, even if data are encrypted, but Key Exposure, data can still lose.
Data encryption algorithm has very much, also very ripe, but key is once reveal, reduction data that all cannot be rapidly and efficiently The risk of loss.
Using single encrypted data, key ensures data safety once revealing without efficiently quick security strategy. Therefore, safety compares relatively low.
Using multi-key cipher encryption data, service layer can be difficult to connect it is affected, such as decryption failure, influence user's Usage experience.
Invention content
The present invention provides a kind of document handling method and device, for solving single key encryption in the prior art and how close Data encrypting and deciphering defect caused by key encryption.
In a first aspect, the embodiment of the present invention provides a kind of document handling method, including:
The trigger signal for getting more new key obtains new key version information according to the trigger signal;
Corresponding new key is obtained according to the new key version information file destination in database is encrypted, and It deletes by the encrypted file destination of old key;
After encryption, the encryption information of the file destination is recorded, the encryption information includes filename, key version information And key.
Optionally, further include:
The decoding request for receiving the file destination obtains filename and key version information according to the decoding request;
Corresponding key is obtained according to the filename, key version information and encryption information;
It is decrypted according to file destination described in the key pair.
Optionally, described that corresponding key is obtained according to the filename, current time and encryption information, including:
Corresponding a plurality of encryption information is obtained according to the filename;
A unique encryption information is determined according to the key version information, and obtains corresponding key.
Optionally, the triggering information is the new key version information that user inputs after the old key is divulged a secret;Or it is Reach the new key version information sent out after default renewal time.
Second aspect, the embodiment of the present invention provide a kind of document handling apparatus, including:
Acquisition module, the trigger signal for getting more new key obtain new key version according to the trigger signal Information;
Update module, for obtaining corresponding new key to the target text in database according to the new key version information Part is encrypted, and deletes by the encrypted file destination of old key;
Memory module records the encryption information of the file destination, the encryption information includes file after encrypting Name, key version information and key.
Optionally, further include deciphering module, the deciphering module includes:
Receiving unit, the decoding request for receiving the file destination, according to the decoding request obtain filename and Key version information;
Matching unit, for obtaining corresponding key according to the filename, key version information and encryption information;
Decryption unit, for being decrypted according to file destination described in the key pair.
Optionally, the matching unit is specifically used for:Corresponding a plurality of encryption information is obtained according to the filename;According to The key version information determines a unique encryption information, and obtains corresponding key.
Optionally, the triggering information is the new key version information that user inputs after the old key is divulged a secret;Or it is Reach the new key version information sent out after default renewal time.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, including:It processor, memory, bus and is stored in On memory and the computer program that can run on a processor;
Wherein, the processor, memory complete mutual communication by the bus;
The processor realizes such as above-mentioned method when executing the computer program.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, which is characterized in that described It is stored with computer program in non-transient computer readable storage medium, is realized when which is executed by processor as above The method stated.
As shown from the above technical solution, document handling method and device provided in an embodiment of the present invention, by getting more The trigger signal of new key obtains new key version information according to the trigger signal, is obtained according to the new key version information It obtains corresponding new key the file destination in database is encrypted, and deletes by the encrypted file destination of old key, realize Timing carries out key version updating in time after key is leaked, and efficiently quickly ensures data safety.
Description of the drawings
Fig. 1 is the flow diagram for the document handling method that one embodiment of the invention provides;
Fig. 2 is the flow diagram for the document handling method that one embodiment of the invention provides;
Fig. 3 is the structural schematic diagram for the document handling apparatus that one embodiment of the invention provides;
Fig. 4 is the structural schematic diagram for the document handling apparatus that one embodiment of the invention provides;
Fig. 5 is the structural schematic diagram for the deciphering module that one embodiment of the invention provides;
Fig. 6 is the structural schematic diagram for the electronic equipment that one embodiment of the invention provides.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below Example is not limited to the scope of the present invention for illustrating the present invention.
Fig. 1 shows that one embodiment of the invention provides a kind of document handling method, including:
S11, the trigger signal for getting more new key obtain new key version information according to the trigger signal;
S12, corresponding new key is obtained according to the new key version information file destination in database is added It is close, and delete by the encrypted file destination of old key;
After S13, encryption, the encryption information of the file destination is recorded, the encryption information includes filename, key version Information and key.
For step S11- steps S13, it should be noted that in embodiments of the present invention, key version be to file into In row ciphering process, the update from level key to advanced key changes original file encryption and is encrypted only with single key Mode.Therefore new key version is corresponding currently used key version is proposed.
During file encryption, after the Key Exposure of the file destination in database, file destination can be caused uneasy Entirely.At this point, user, after the key for learning file destination is leaked, meeting triggers the operation of more new key, the behaviour in first time New key version information can be sent to server by work, and the processing of key updating is carried out for server.In addition, new and old key version Update can be completed in preset time period, after reaching preset renewal time, server can obtain new key version information.
Server can obtain corresponding new key according to the new key version information, then use new key to database In file destination be encrypted, and delete by the encrypted file destination of old key.
After encryption, server can record the information that file destination is encrypted using new key, as encryption information, institute It includes filename, key version information and key to state encryption information.For same file destination, if repeatedly version updating key Afterwards, a plurality of encryption information can be recorded.
Document handling method provided in an embodiment of the present invention, by getting the trigger signal of more new key, according to described Trigger signal obtains new key version information, and corresponding new key is obtained in database according to the new key version information File destination is encrypted, and deletes by the encrypted file destination of old key, realize timing or after key is leaked in time into Row key version updating efficiently quickly ensures data safety.
Fig. 2 shows one embodiment of the invention to provide a kind of document handling method, including:
S21, the trigger signal for getting more new key obtain new key version information according to the trigger signal;
S22, corresponding new key is obtained according to the new key version information file destination in database is added It is close, and delete by the encrypted file destination of old key;
After S23, encryption, the encryption information of the file destination is recorded, the encryption information includes filename, key version Information and key;
S24, the decoding request for receiving the file destination obtain filename according to the decoding request and key version are believed Breath;
S25, corresponding key is obtained according to the filename, key version information and encryption information;
S26, it is decrypted according to file destination described in the key pair.
For step S21- step S23, these steps are identical as above-described embodiment step S11- step S13 principles, herein It repeats no more.
For step S24- steps S26, it should be noted that in embodiments of the present invention, when file destination is decrypted, Server can receive decoding request of the user to file destination, obtain filename according to the decoding request and key version is believed Breath.
Server obtains corresponding key further according to the filename, key version information and encryption information, concretely: Corresponding a plurality of encryption information is obtained according to the filename;Unique encryption letter is determined according to the key version information Breath, and obtain corresponding key.
After server obtains key, decrypted according to file destination described in the key pair.
Document handling method provided in an embodiment of the present invention, by getting the trigger signal of more new key, according to described Trigger signal obtains new key version information, and corresponding new key is obtained in database according to the new key version information File destination is encrypted, and deletes by the encrypted file destination of old key, and receives the decoding request of the file destination again, Filename and key version information are obtained according to the decoding request;According to the filename, key version information and encryption letter Breath obtains corresponding key;Decrypted according to file destination described in the key pair, realize timing or after key is leaked in time Key version updating and file decryption are carried out, efficiently quickly ensures data safety.
Fig. 3 shows a kind of document handling apparatus that one embodiment of the invention provides, including acquisition module 31, update module 32 and memory module 33, wherein:
Acquisition module 31, the trigger signal for getting more new key obtain new key version according to the trigger signal This information;
Update module 32, for obtaining corresponding new key to the target in database according to the new key version information File is encrypted, and deletes by the encrypted file destination of old key;
Memory module 33 records the encryption information of the file destination, the encryption information includes file after encrypting Name, key version information and key.
Since described device of the embodiment of the present invention is identical as the principle of above-described embodiment the method, for more detailed Explain that details are not described herein for content.
It should be noted that can be by hardware processor (hardwareprocessor) come real in the embodiment of the present invention Existing related function module.
Document handling apparatus provided in an embodiment of the present invention, by getting the trigger signal of more new key, according to described Trigger signal obtains new key version information, and corresponding new key is obtained in database according to the new key version information File destination is encrypted, and deletes by the encrypted file destination of old key, realize timing or after key is leaked in time into Row key version updating efficiently quickly ensures data safety.
Fig. 4 shows a kind of document handling apparatus provided in an embodiment of the present invention, including acquisition module 41, update module 42, memory module 43 and decoder module 44, wherein:
Acquisition module 41, the trigger signal for getting more new key obtain new key version according to the trigger signal This information;
Update module 42, for obtaining corresponding new key to the target in database according to the new key version information File is encrypted, and deletes by the encrypted file destination of old key;
Memory module 43 records the encryption information of the file destination, the encryption information includes file after encrypting Name, key version information and key;
Wherein, as shown in figure 5, the deciphering module 44 includes:
Receiving unit 441, the decoding request for receiving the file destination obtain filename according to the decoding request With key version information;
Matching unit 442, for obtaining corresponding key according to the filename, key version information and encryption information;
Decryption unit 443, for being decrypted according to file destination described in the key pair.
Since described device of the embodiment of the present invention is identical as the principle of above-described embodiment the method, for more detailed Explain that details are not described herein for content.
It should be noted that can be by hardware processor (hardware processor) come real in the embodiment of the present invention Existing related function module.
Document handling apparatus provided in an embodiment of the present invention, by getting the trigger signal of more new key, according to described Trigger signal obtains new key version information, and corresponding new key is obtained in database according to the new key version information File destination is encrypted, and deletes by the encrypted file destination of old key, and receives the decoding request of the file destination again, Filename and key version information are obtained according to the decoding request;According to the filename, key version information and encryption letter Breath obtains corresponding key;Decrypted according to file destination described in the key pair, realize timing or after key is leaked in time Key version updating and file decryption are carried out, efficiently quickly ensures data safety.
Fig. 6 shows a kind of electronic equipment that one embodiment of the invention provides, including:It is processor 501, memory 502, total Line 503 and storage are on a memory and the computer program that can run on a processor;
Wherein, the processor, memory complete mutual communication by the bus;
Realization such as above-mentioned method when the processor executes the computer program, such as including:Get more Xinmi City The trigger signal of key obtains new key version information according to the trigger signal;According to new key version information acquisition pair The file destination in database is encrypted in the new key answered, and deletes by the encrypted file destination of old key;After encryption, note Record the encryption information of the file destination.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage Computer program is stored on medium, realization such as above-mentioned method when which is executed by processor, such as including:It obtains The trigger signal for getting more new key obtains new key version information according to the trigger signal;According to the new key version The file destination in database is encrypted in the corresponding new key of information acquisition, and deletes by the encrypted target text of old key Part;After encryption, the encryption information of the file destination is recorded.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments In included certain features rather than other feature, but the combination of the feature of different embodiments means in of the invention Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed One of meaning mode can use in any combination.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference mark between bracket should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real It is existing.In the unit claims listing several devices, several in these devices can be by the same hardware branch To embody.The use of word first, second, and third does not indicate that any sequence.These words can be explained and be run after fame Claim.
One of ordinary skill in the art will appreciate that:The above embodiments are only used to illustrate the technical solution of the present invention., and It is non-that it is limited;Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art It should be understood that:Its still can with technical scheme described in the above embodiments is modified, either to which part or All technical features carries out equivalent replacement;And these modifications or replacements, it does not separate the essence of the corresponding technical solution this hair Bright claim limited range.

Claims (10)

1. a kind of document handling method, which is characterized in that including:
The trigger signal for getting more new key obtains new key version information according to the trigger signal;
Corresponding new key is obtained according to the new key version information file destination in database is encrypted, and delete By the encrypted file destination of old key;
After encryption, the encryption information of the file destination is recorded, the encryption information includes filename, key version information and close Key.
2. according to the method described in claim 1, it is characterized in that, further including:
The decoding request for receiving the file destination obtains filename and key version information according to the decoding request;
Corresponding key is obtained according to the filename, key version information and encryption information;
It is decrypted according to file destination described in the key pair.
3. according to the method described in claim 2, it is characterized in that, described believe according to the filename, current time and encryption Breath obtains corresponding key, including:
Corresponding a plurality of encryption information is obtained according to the filename;
A unique encryption information is determined according to the key version information, and obtains corresponding key.
4. according to the method described in claim 1, it is characterized in that, the triggering information be user after the old key is divulged a secret The new key version information of input;Or to reach the new key version information sent out after default renewal time.
5. a kind of document handling apparatus, which is characterized in that including:
Acquisition module, the trigger signal for getting more new key obtain new key version information according to the trigger signal;
Update module, for according to the new key version information obtain corresponding new key to the file destination in database into Row encryption, and delete by the encrypted file destination of old key;
Memory module records the encryption information of the file destination after encrypting, and the encryption information includes filename, close Key version information and key.
6. device according to claim 5, which is characterized in that further include deciphering module, the deciphering module includes:
Receiving unit, the decoding request for receiving the file destination obtain filename and key according to the decoding request Version information;
Matching unit, for obtaining corresponding key according to the filename, key version information and encryption information;
Decryption unit, for being decrypted according to file destination described in the key pair.
7. device according to claim 6, which is characterized in that the matching unit is specifically used for:According to the filename Obtain corresponding a plurality of encryption information;A unique encryption information is determined according to the key version information, and is obtained corresponding Key.
8. device according to claim 5, which is characterized in that the triggering information is user after the old key is divulged a secret The new key version information of input;Or to reach the new key version information sent out after default renewal time.
9. a kind of electronic equipment, which is characterized in that including:Processor, memory, bus and storage on a memory and can located The computer program run on reason device;
Wherein, the processor, memory complete mutual communication by the bus;
The processor realizes the method as described in any one of claim 1-4 when executing the computer program.
10. a kind of non-transient computer readable storage medium, which is characterized in that in the non-transient computer readable storage medium It is stored with computer program, the side as described in any one of claim 1-4 is realized when which is executed by processor Method.
CN201810023924.1A 2018-01-10 2018-01-10 Document handling method and device Pending CN108427889A (en)

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CN113392428A (en) * 2021-06-28 2021-09-14 未鲲(上海)科技服务有限公司 Data protection method, device, equipment and medium
CN117201021A (en) * 2023-11-08 2023-12-08 中孚信息股份有限公司 Key dynamic switching method, system, device and medium for main service system

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