CN107122681A - A kind of method of file encryption-decryption, relevant apparatus and system - Google Patents
A kind of method of file encryption-decryption, relevant apparatus and system Download PDFInfo
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- CN107122681A CN107122681A CN201710379323.XA CN201710379323A CN107122681A CN 107122681 A CN107122681 A CN 107122681A CN 201710379323 A CN201710379323 A CN 201710379323A CN 107122681 A CN107122681 A CN 107122681A
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- file
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- characteristic information
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing 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
- G06F2221/2107—File encryption
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- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The embodiment of the invention discloses a kind of method of file encryption-decryption, relevant apparatus and system, user is when file is encrypted, it is possible to specify specific personnel have decrypted rights, that is, the face characteristic information for choosing specific people is encrypted as key to file destination.Only there is the user of decrypted rights, its corresponding face characteristic information could be realized with the face characteristic information in file destination and matched, so as to realize the decryption processing to file destination.It can be seen that, by this kind of mode, when being encrypted to file destination, just it can specify specific personnel that there are decrypted rights, file could be decrypted by only specific personnel, and by way of face characteristic encrypts file, can effectively lift the security of file.
Description
Technical field
The present invention relates to file processing technology field, more particularly to a kind of method of file encryption-decryption, relevant apparatus with
System.
Background technology
When existing enterprises and institutions carry out file transmission, preservation, shared, major part is carried out close using plaintext or tool of compression
Code encryption.In document transmission process, often file is decrypted using Advanced Mailbox Password Recovery by criminal, existing password
Cipher mode no matter password how long or it is more complicated, as long as there is time enough to exist by the possibility of Brute Force.Especially
For some vital strategic secrets files, stealing, revealing for file will bring huge risk, or even cause huge warp to enterprise
Ji loss.
By the way of password encryption file, only it is to be understood that password, just can get the file of correlation, it is impossible to decryption
Personnel are specified.Especially for enterprise's cloud office, the secret text such as design drawing, design manuscript, program code, design documentation
Synergetic office work is needed in part management, it is therefore desirable to specify specific people or specific multiple people to decrypt reading file.And pass
The mode of password encryption is used in system mode, in addition to password is easily cracked, and enterprise's cloud office encryption and decryption can not be applied to
Actual demand.
It can be seen that, how realizing can specify specific personnel that file is decrypted, and be that those skilled in the art urgently solve
Certainly the problem of.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method of file encryption-decryption, relevant apparatus and system, it is possible to specify
File is decrypted specific personnel.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of file encrypting method, including：
Obtain the face characteristic information prestored in Cloud Server；
Receive the Given Face characteristic information that user selects from the face characteristic information；
Using the Given Face characteristic information as key, file destination is encrypted, and by the encryption
File destination after reason is stored in the Cloud Server.
Optionally, the email address of the user is carried in the file destination.
The embodiment of the present invention additionally provides a kind of file decryption method, including：
The file destination after encryption is got from Cloud Server；
The facial image of camera collection is obtained, and extracts from the facial image corresponding target signature information；
The target signature information is matched with the Given Face characteristic information in the file destination；
If the match is successful, according to the target signature information, processing is decrypted to the file destination.
Optionally, in addition to：
After the decryption processing to the file destination is completed, then the email address carried into the file destination is sent
Response message.
The embodiment of the present invention additionally provides a kind of document encrypting apparatus, including acquiring unit, selection unit and ciphering unit,
The acquiring unit, the face characteristic information prestored for obtaining in Cloud Server；
The selection unit, for receiving the Given Face feature letter that user selects from the face characteristic information
Breath；
The ciphering unit, for as key, file destination to be encrypted into place for the Given Face characteristic information
Reason, and the file destination after the encryption is stored in the Cloud Server.
Optionally, the email address of the user is carried in the file destination.
The embodiment of the present invention additionally provides a kind of file deciphering device, including acquiring unit, extraction unit, matching unit and
Decryption unit,
The acquiring unit, for getting the file destination after encryption from Cloud Server；
The extraction unit, for obtaining the facial image of camera collection, and is extracted from the facial image pair
The target signature information answered；
The matching unit, for by the Given Face characteristic information in the target signature information and the file destination
Matched；
If the match is successful, the decryption unit is triggered, the decryption unit, for according to the target signature information,
Processing is decrypted to the file destination.
Optionally, in addition to transmitting element,
After the decryption processing to the file destination is completed, then the transmitting element is triggered, the transmitting element is used for
The email address carried into the file destination sends response message.
The embodiment of the present invention additionally provides a kind of file encryption-decryption system, including document encrypting apparatus and file decryption dress
Put,
The document encrypting apparatus, the face characteristic information prestored for obtaining in Cloud Server；Receive user from
The Given Face characteristic information selected in the face characteristic information；It is right using the Given Face characteristic information as key
File destination is encrypted, and the file destination after the encryption is stored in into the Cloud Server；
The file deciphering device, for getting the file destination after the encryption from the Cloud Server；
The facial image of camera collection is obtained, and extracts from the facial image corresponding target signature information；By the mesh
Mark characteristic information is matched with the Given Face characteristic information in the file destination；If the match is successful, according to the mesh
Characteristic information is marked, processing is decrypted to the file destination.
User can get when file is encrypted from Cloud Server it can be seen from above-mentioned technical proposal
The face characteristic information prestored, and select from these face characteristic informations Given Face characteristic information, the particular person
The corresponding user of face characteristic information has decrypted rights；Using the Given Face characteristic information as key, file destination is entered
Row encryption, and the file destination after the encryption is stored in the Cloud Server.The use that file is decrypted
Family, can get the file destination after encryption from Cloud Server；Computer can collect the use by camera
The facial image at family, and extract from the facial image corresponding target signature information；Only there is the user decryption to weigh
In limited time, the target signature information could be realized with the Given Face characteristic information in file destination and matched, so as to realize to target
The decryption processing of file.It can be seen that, by the above-mentioned means, when being encrypted to file destination, just specific personnel can be specified to have
Decrypted rights, that is, the face characteristic information for choosing specific people is encrypted as key-pair file, and only specific personnel could be right
File is decrypted, and by way of face characteristic encrypts file, can effectively lift the security of file.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of file encrypting method provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of file decryption method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of document encrypting apparatus provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of file deciphering device provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of file encryption-decryption system provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are not under the premise of creative work is made, and what is obtained is every other
Embodiment, belongs to the scope of the present invention.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Next, a kind of method for file encryption-decryption that the embodiment of the present invention is provided is discussed in detail, includes file and add
Decryption method and file decryption method.Fig. 1 is a kind of flow chart of file encrypting method provided in an embodiment of the present invention, this method bag
Include：
S101：Obtain the face characteristic information prestored in Cloud Server.
In embodiments of the present invention, processing file being encrypted using face characteristic information.By taking an enterprise as an example,
Before being encrypted, the face characteristic information of all employees in enterprise can be gathered, and these face characteristic informations are uploaded
To the Cloud Server of enterprise.
S102：Receive the Given Face characteristic information that user selects from the face characteristic information.
User's (enterprise staff) that file is encrypted can specify specific people or spy according to different office demands
The many people (at least two people) for determining team assign decrypted rights, that is, the face characteristic information for choosing these people is entered as key-pair file
Row encryption, can be referred to as Given Face characteristic information by the face characteristic information selected.
It should be noted that for specifying many personal imparting decrypted rights, this many personal decrypted rights can be set
For the relation of "AND", that is, need while getting this many personal face characteristic information, file could be decrypted.Can also
Any one personal face characteristic information how personal decrypted rights being set in the relation of "or", i.e. this many individual all may be used
So that file to be decrypted.Or be combined this many personal decrypted rights, for example, it is desired to which how personal get this simultaneously
File could be decrypted for the face characteristic information of middle any two people.Combination for decrypted rights can be according to reality
Border situation is configured, and is not limited herein.
When needing that file is encrypted, the face that user can get all employees from Cloud Server is special
Reference ceases, and user wants whom is specified file is decrypted processing, just can be selected from these face characteristic informations
The face characteristic information of these people is used as Given Face characteristic information.For example, user A, which desires to user B, sends file, then can be with
It is special as Given Face that the face characteristic information prestored from Cloud Server selects the corresponding face characteristic informations of user B
Reference ceases.
Required face characteristic information is selected from numerous face characteristic informations for the ease of user, to cloud service
When device stores these face characteristic informations, these face characteristic informations can be classified, for example, can be according to work position
Difference classified, the face characteristic information belonged to corresponding to the employee of same department is stored in same list.Pin
, can be with the employee's corresponding to corresponding storage face characteristic information in storage for the face characteristic information of all employees
Name, affiliated portion's grading information, in order to which user can accurately be distinguished to these face characteristic informations, so that quickly
Find required face characteristic information.
S103：Using the Given Face characteristic information as key, file destination is encrypted, and described will be added
File destination after close processing is stored in the Cloud Server.
After Given Face characteristic information is selected, just Given Face characteristic information can be written to file destination, with
Realize the encryption to file destination.
It should be noted that when it is specified have decrypted rights it is fewer in number when, except encryption file is stored in into cloud
Outside the mode of server, encryption file can also be transmitted directly to the individual with decrypted rights.
It can know that the user whether this document has been assigned with obtains for the ease of user that file is encrypted, can
To carry the email address to the user of file encryption in the file destination.In order to which specified user is receiving file
After either to file decryption success, response message can be sent to the mailbox of the user to file encryption.
Fig. 2 is a kind of flow chart of file decryption method provided in an embodiment of the present invention, and this method includes：
S201：The file destination after encryption is got from Cloud Server.
The file stored in Cloud Server may be numerous, for the ease of distinguishing different files, can be dependent on solution
The name of the employee of close authority or the information such as the title of department or the type of file are named to file, in order to member
Work can intuitively know which file is assigned to the file of oneself in Cloud Server.
S202：The facial image of camera collection is obtained, and extracts from the facial image corresponding target signature
Information.
By taking an employee with decrypted rights as an example, the employee can download to the file destination after encryption certainly
In oneself computer, the facial image of the employee can be gathered by the camera set on computer, according to what is prestored
Face feature extraction method, can extract required target signature information from facial image.
By performing S202, it can effectively prevent some users from directly being got from Cloud Server with decrypted rights
Personnel corresponding to face characteristic information, it is ensured that the true identity of the current user that file is decrypted.
S203：The target signature information is matched with the Given Face characteristic information in the file destination.
S204：If the match is successful, according to the target signature information, processing is decrypted to the file destination.
Given Face characteristic information is carried in file destination, it is special with target when existing in the Given Face characteristic information
When reference ceases same or analogous characteristic information, then it is the user with decrypted rights to illustrate the user, so as to realize pair
The decryption processing of file destination.
From above-mentioned introduction, if carrying the email address of user in file destination, wherein, the user is to target
The user that file is encrypted, the user with decrypted rights, can after the decryption processing to the file destination is completed
To send response message to the email address.
User can get when file is encrypted from Cloud Server it can be seen from above-mentioned technical proposal
The face characteristic information prestored, and select from these face characteristic informations Given Face characteristic information, the particular person
The corresponding user of face characteristic information has decrypted rights；Using the Given Face characteristic information as key, file destination is entered
Row encryption, and the file destination after the encryption is stored in the Cloud Server.The use that file is decrypted
Family, can get the file destination after encryption from Cloud Server；Computer can collect the use by camera
The facial image at family, and extract from the facial image corresponding target signature information；Only there is the user decryption to weigh
In limited time, the target signature information could be realized with the Given Face characteristic information in file destination and matched, so as to realize to target
The decryption processing of file.It can be seen that, by the above-mentioned means, when being encrypted to file destination, just specific personnel can be specified to have
Decrypted rights, that is, the face characteristic information for choosing specific people is encrypted as key-pair file, and only specific personnel could be right
File is decrypted, and by way of face characteristic encrypts file, can effectively lift the security of file.
Fig. 3 be a kind of structural representation of document encrypting apparatus provided in an embodiment of the present invention, including acquiring unit 31, choosing
Unit 32 and ciphering unit 33 are taken,
The acquiring unit 31, the face characteristic information prestored for obtaining in Cloud Server.
The selection unit 32, for receiving the Given Face feature letter that user selects from the face characteristic information
Breath.
The ciphering unit 33, for the Given Face characteristic information, as key, file destination to be encrypted
Processing, and the file destination after the encryption is stored in the Cloud Server.
Optionally, the email address of the user is carried in the file destination.
The explanation of feature may refer to the related description of embodiment corresponding to Fig. 1 and Fig. 2 in embodiment corresponding to Fig. 3, this
In no longer repeat one by one.
User can get when file is encrypted from Cloud Server it can be seen from above-mentioned technical proposal
The face characteristic information prestored, and select from these face characteristic informations Given Face characteristic information, the particular person
The corresponding user of face characteristic information has decrypted rights；Using the Given Face characteristic information as key, file destination is entered
Row encryption, and the file destination after the encryption is stored in the Cloud Server.By this kind of mode, to mesh
When marking file encryption, it just can specify specific personnel that there are decrypted rights, that is, the face characteristic information for choosing specific people is made
File destination is encrypted for key, file could be decrypted by only specific personnel, and text is encrypted by face characteristic
The mode of part, can effectively lift the security of file.
Fig. 4 be a kind of file deciphering device provided in an embodiment of the present invention, including acquiring unit 41, extraction unit 42,
With unit 43 and decryption unit 44,
The acquiring unit 41, for getting the file destination after encryption from Cloud Server.
The extraction unit 42, for obtaining the facial image of camera collection, and is extracted from the facial image
Corresponding target signature information.
The matching unit 43, for the Given Face feature in the target signature information and the file destination to be believed
Breath is matched.
If the match is successful, the decryption unit 44, the decryption unit 44, for according to target signature letter are triggered
Breath, processing is decrypted to the file destination.
Optionally, in addition to transmitting element,
After the decryption processing to the file destination is completed, then the transmitting element is triggered, the transmitting element is used for
The email address carried into the file destination sends response message.
The explanation of feature may refer to the related description of embodiment corresponding to Fig. 1 and Fig. 2 in embodiment corresponding to Fig. 4, this
In no longer repeat one by one.
It can be seen from above-mentioned technical proposal when file is decrypted user, it can be got from Cloud Server
File destination after encryption；Computer can collect the facial image of the user by camera, and from the face
Corresponding target signature information is extracted in image；If the user has decrypted rights, the target signature information and target text
Given Face characteristic information in part can realize matching, so as to realize the decryption processing to file destination.Carried out when to file
When the user of decryption does not have decrypted rights, then the face characteristic information of the user can not be with the Given Face spy in file destination
Levy information realization matching.Only file could be decrypted by the personnel with decrypted rights, realize specified specific personnel
File, which is decrypted, and leads to this kind of mode can effectively lift the security of file.
Fig. 5 is a kind of file encryption-decryption system provided in an embodiment of the present invention, including document encrypting apparatus 51 and file solution
Close device 52,
The document encrypting apparatus 51, the face characteristic information prestored for obtaining in Cloud Server；Receive user
The Given Face characteristic information selected from the face characteristic information；Using the Given Face characteristic information as key,
File destination is encrypted, and the file destination after the encryption is stored in the Cloud Server.
The file deciphering device 52, for getting the text of the target after the encryption from the Cloud Server
Part；The facial image of camera collection is obtained, and extracts from the facial image corresponding target signature information；Will be described
Target signature information is matched with the Given Face characteristic information in the file destination；If the match is successful, according to described
Target signature information, processing is decrypted to the file destination.
The explanation of feature may refer to the related description of embodiment corresponding to Fig. 1 and Fig. 2 in embodiment corresponding to Fig. 5, this
In no longer repeat one by one.
Method, relevant apparatus and the system of a kind of file encryption-decryption provided above the embodiment of the present invention have been carried out in detail
It is thin to introduce.The embodiment of each in specification is described by the way of progressive, and what each embodiment was stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, also
Some improvement and modification can be carried out to the present invention, these are improved and modification also falls into the protection domain of the claims in the present invention
It is interior.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of the method or algorithm that the embodiments described herein is described with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (9)
1. a kind of file encrypting method, it is characterised in that including：
Obtain the face characteristic information prestored in Cloud Server；
Receive the Given Face characteristic information that user selects from the face characteristic information；
Using the Given Face characteristic information as key, file destination is encrypted, and by after the encryption
File destination be stored in the Cloud Server.
2. file encrypting method according to claim 1, it is characterised in that the user is carried in the file destination
Email address.
3. a kind of document encrypting apparatus, it is characterised in that including acquiring unit, choose unit and ciphering unit,
The acquiring unit, the face characteristic information prestored for obtaining in Cloud Server；
The selection unit, for receiving the Given Face characteristic information that user selects from the face characteristic information；
The ciphering unit, for the Given Face characteristic information, as key, file destination to be encrypted, and
File destination after the encryption is stored in the Cloud Server.
4. document encrypting apparatus according to claim 3, it is characterised in that the user is carried in the file destination
Email address.
5. a kind of file decryption method, it is characterised in that including：
The file destination after encryption is got from Cloud Server；
The facial image of camera collection is obtained, and extracts from the facial image corresponding target signature information；
The target signature information is matched with the Given Face characteristic information in the file destination；
If the match is successful, according to the target signature information, processing is decrypted to the file destination.
6. file decryption method according to claim 5, it is characterised in that also include：
After the decryption processing to the file destination is completed, then the email address carried into the file destination sends response
Information.
7. a kind of file deciphering device, it is characterised in that including acquiring unit, extraction unit, matching unit and decryption unit,
The acquiring unit, for getting the file destination after encryption from Cloud Server；
The extraction unit, for obtaining the facial image of camera collection, and is extracted from the facial image corresponding
Target signature information；
The matching unit, for the Given Face characteristic information in the target signature information and the file destination to be carried out
Matching；
If the match is successful, the decryption unit, the decryption unit, for according to the target signature information, to institute are triggered
State file destination and processing is decrypted.
8. file deciphering device according to claim 7, it is characterised in that also including transmitting element,
After completing to the decryption processing of the file destination, then the transmitting element is triggered, the transmitting element, for institute
State the email address carried in file destination and send response message.
9. a kind of file encryption-decryption system, it is characterised in that including document encrypting apparatus and file deciphering device,
The document encrypting apparatus, the face characteristic information prestored for obtaining in Cloud Server；User is received from described
The Given Face characteristic information selected in face characteristic information；Using the Given Face characteristic information as key, to target
File is encrypted, and the file destination after the encryption is stored in into the Cloud Server；
The file deciphering device, for getting the file destination after the encryption from the Cloud Server；Obtain
The facial image of camera collection, and extract from the facial image corresponding target signature information；The target is special
Reference breath is matched with the Given Face characteristic information in the file destination；It is special according to the target if the match is successful
Reference ceases, and processing is decrypted to the file destination.
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| CN201710379323.XA CN107122681A (en) | 2017-05-25 | 2017-05-25 | A kind of method of file encryption-decryption, relevant apparatus and system |
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| CN109325362B (en) * | 2018-09-19 | 2019-07-02 | 方赞皓 | Security conference encryption method Internet-based and readable storage medium storing program for executing |
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Application publication date: 20170901 |