CN107038365A - The method and mobile terminal of a kind of file encryption - Google Patents
The method and mobile terminal of a kind of file encryption Download PDFInfo
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- CN107038365A CN107038365A CN201710262299.1A CN201710262299A CN107038365A CN 107038365 A CN107038365 A CN 107038365A CN 201710262299 A CN201710262299 A CN 201710262299A CN 107038365 A CN107038365 A CN 107038365A
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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
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- 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
- G06F21/602—Providing cryptographic facilities or services
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- 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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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Human Computer Interaction (AREA)
- Telephone Function (AREA)
Abstract
The invention belongs to field of encryption, there is provided a kind of method of file encryption and mobile terminal.In embodiments of the present invention, when entering file interface to be encrypted, the pressing force grade that user applies to the touch-screen of the mobile terminal in the file interface to be encrypted is obtained first, then the file to be encrypted is marked according to the pressing force grade, and the finger print information of user's input is gathered, the file to be encrypted is encrypted according to the pressing force grade and the finger print information.Cipher mode provided in an embodiment of the present invention is to combine pressing force grade and fingerprint, more safe and reliable, it is to avoid vital document, which is cracked, divulges a secret, and lifts safety coefficient.
Description
Technical field
The invention belongs to the method and mobile terminal of field of encryption, more particularly to a kind of file encryption.
Background technology
Mobile terminal is used as history of the simple communication equipment with Mobile Communication Development existing decades.Opened from 2007
Begin, intellectuality has triggered mobile terminal gene mutation, fundamentally change terminal and positioned as the tradition of mobile network's tip.
Mobile intelligent terminal is almost changed into the crucial entrance and main innovation platform of Internet service between a flash, new media,
Ecommerce and information service platform, the most important hinge of Internet resources, mobile network resource and environmental interaction resource, it is grasped
Make system and processor chips or even the strategic high ground as current whole ICT industries.What mobile intelligent terminal triggered overturns
Property change and opened the prelude of mobile Internet industry development, open a new technical industry cycle.With intelligent movable
The sustainable development of terminal, its influence power will radio, TV and internet shoulder to shoulder（PC）, as the 4th infiltration in human history
Extensively, popularization is rapid, influence is huge, deeply to the end product of human society life every aspect.
At present, cipher mode when file is encrypted mobile terminal is single, easy Brute Force, causes vital document
Divulge a secret.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method of file encryption, it is intended to solve adding for current mobile terminal
Close mode is simply single, there is the risk problem being cracked.
In order to solve the above-mentioned technical problem, the present invention is realized in：A kind of method of file encryption, applied to movement
Terminal, the described method comprises the following steps：
Into file interface to be encrypted, obtain the user in the file interface to be encrypted and the touch-screen of the mobile terminal is applied
Plus pressing force grade；
The file to be encrypted is marked according to the pressing force grade, and gathers the finger print information of user's input；
The file to be encrypted is encrypted according to the pressing force grade and the finger print information.
Further, acquisition user in the file interface to be encrypted applies to the touch-screen of the mobile terminal
Pressing force grade the step of, including：
When entering the file interface to be encrypted, the pressing force that detection user applies on the touch-screen of the mobile terminal
Value；
Applied according to default pressing force grade with pressing the corresponding relation acquisition user of force value on the touch-screen of the mobile terminal
Plus the corresponding pressing force grade of pressing force value.
Further, it is described that the file to be encrypted is marked according to the pressing force grade, and it is defeated to gather user
The step of finger print information entered, including：
Using the pressing force grade as the file to be encrypted attribute information；
The finger print information of user's input is gathered, and the finger print information is bound with above-mentioned attribute information.
Further, it is described that the file to be encrypted is encrypted according to the pressing force grade and the finger print information
The step of, including：
First time encryption is carried out to the file to be encrypted according to the pressing force grade；
The file encrypted according to the finger print information to the first time carries out second and encrypted.
Further, the file to be encrypted is added according to the pressing force grade and the finger print information described
After close step, in addition to：
The important level D for having encrypted file is calculated according to following formula:
Wherein, L1 represents the pressing force grade, and L2 represents reference grade, and T1 represents the file size of the file to be encrypted
（Unit：kb）, T2 represents reference paper size（Unit：kb）, K represents default constant coefficient.
The purpose of the embodiment of the present invention also resides in a kind of mobile terminal of offer, and the mobile terminal includes：
Acquiring unit, for enter file interface to be encrypted when, obtain in the file interface to be encrypted user to described
The pressing force grade that the touch-screen of mobile terminal applies；
Indexing unit, for the file to be encrypted to be marked according to the pressing force grade；
Collecting unit, the finger print information for gathering user's input；
Ciphering unit, for the file to be encrypted to be encrypted according to the pressing force grade and the finger print information.
Further, the acquiring unit specifically for：
When entering the file interface to be encrypted, the pressing force that detection user applies on the touch-screen of the mobile terminal
Value；
Applied according to default pressing force grade with pressing the corresponding relation acquisition user of force value on the touch-screen of the mobile terminal
Plus the corresponding pressing force grade of pressing force value.
Further, the indexing unit specifically for：Using the pressing force grade as the file to be encrypted category
Property information；
The collecting unit, which has, to be used for：The finger print information of user's input is gathered, and the finger print information and above-mentioned attribute are believed
Breath is bound.
Further, the ciphering unit specifically for：
First time encryption is carried out to the file to be encrypted according to the pressing force grade；
The file encrypted according to the finger print information to the first time carries out second and encrypted.
Further, the mobile terminal also include computing unit, the computing unit specifically for：
The important level D for having encrypted file is calculated according to following formula:
Wherein, L1 represents the pressing force grade, and L2 represents reference grade, and T1 represents the file size of the file to be encrypted
（Unit：kb）, T2 represents reference paper size（Unit：kb）, K represents default constant coefficient.
In embodiments of the present invention, when entering file interface to be encrypted, obtain first in the file interface to be encrypted
When the pressing force grade that applies to the touch-screen of the mobile terminal of user, then according to the pressing force grade to described to be added
Ciphertext part is marked, and gathers the finger print information of user's input, according to the pressing force grade and the finger print information to institute
File to be encrypted is stated to be encrypted.Cipher mode provided in an embodiment of the present invention is to combine pressing force grade and fingerprint, is more pacified
It is complete reliable, it is to avoid vital document, which is cracked, divulges a secret, lift safety coefficient.
Brief description of the drawings
Fig. 1 is the flow chart of the method for file encryption provided in an embodiment of the present invention；
Fig. 2 is the circuit theory schematic diagram of mobile terminal provided in an embodiment of the present invention.
Specific implementation method
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, to this hair
It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and without
It is of the invention in limiting.
Implementing for the present invention is described in detail below in conjunction with specific embodiment：
Fig. 1 shows the flow of the method for the file encryption provided in an embodiment of the present invention applied to mobile terminal, for the ease of
Illustrate, only list the part related to the embodiment of the present invention, details are as follows：
The method of file encryption provided in an embodiment of the present invention applied to mobile terminal, comprises the following steps：
Step S10, into file interface to be encrypted, obtains in the file interface to be encrypted user to the mobile terminal
The pressing force grade that touch-screen applies.
Specifically, when entering the file interface to be encrypted, detection user applies on the touch-screen of the mobile terminal
Plus pressing force value, user is then obtained in the mobile terminal according to the corresponding relation of default pressing force grade and pressing force value
Touch-screen on the corresponding pressing force grade of pressing force value that applies, same pressing force grade includes multiple pressing force value.
Step S20, the file to be encrypted is marked according to the pressing force grade, and gathers the finger of user's input
Line information；
Specifically, then the pressing force grade is gathered into the finger of user's input as the attribute information of the file to be encrypted
Line information, and the finger print information is bound with above-mentioned attribute information.Input simultaneously is needed correctly to press in decryption
Just encryption file can be decrypted for pressure rating and finger print information.
Step S30, the file to be encrypted is encrypted according to the pressing force grade and the finger print information.
As a preferred embodiment of the present invention, step S30 implementation includes：According to the pressing force grade to described
File to be encrypted carries out first time encryption；The file encrypted according to the finger print information to the first time carries out second and added
It is close.File to be encrypted is encrypted using two kinds of encrypted forms.
As a preferred embodiment of the present invention, after step S30, in addition to：
The important level D for having encrypted file is calculated according to following formula:
Wherein, L1 represents the pressing force grade, and L2 represents reference grade, and T1 represents the file size of the file to be encrypted
（Unit：kb）, T2 represents reference paper size（Unit：kb）, K represents default constant coefficient.
It can be seen from above-mentioned formula, pressing force grade L1 is bigger, and the size of file to be encrypted is bigger, then important level is got over
Height, In Grade D is individually stored higher than the encryption file of predetermined threshold value and is carried out preset mark.
In embodiments of the present invention, when entering file interface to be encrypted, obtain first in the file interface to be encrypted
When the pressing force grade that applies to the touch-screen of the mobile terminal of user, then according to the pressing force grade to described to be added
Ciphertext part is marked, and gathers the finger print information of user's input, according to the pressing force grade and the finger print information to institute
File to be encrypted is stated to be encrypted.Cipher mode provided in an embodiment of the present invention is to combine pressing force grade and fingerprint, is more pacified
It is complete reliable, it is to avoid vital document, which is cracked, divulges a secret, lift safety coefficient.
Fig. 2 shows the circuit theory schematic diagram of mobile terminal provided in an embodiment of the present invention, for convenience of description, only arranges
Go out the part related to the embodiment of the present invention, details are as follows：
Mobile terminal provided in an embodiment of the present invention, including：Acquiring unit 100, indexing unit 200, collecting unit 300 and add
Close unit 400；
Acquiring unit 100, for enter file interface to be encrypted when, obtain in the file interface to be encrypted user to institute
State the pressing force grade that the touch-screen of mobile terminal applies；
Indexing unit 200, for the file to be encrypted to be marked according to the pressing force grade；
Collecting unit 300, the finger print information for gathering user's input；
Ciphering unit 400, for the file to be encrypted to be encrypted according to the pressing force grade and the finger print information.
As a preferred embodiment of the present invention, acquiring unit 100 specifically for：
When entering the file interface to be encrypted, the pressing force that detection user applies on the touch-screen of the mobile terminal
Value；
Applied according to default pressing force grade with pressing the corresponding relation acquisition user of force value on the touch-screen of the mobile terminal
Plus the corresponding pressing force grade of pressing force value.
As a preferred embodiment of the present invention, indexing unit 200 specifically for：The pressing force grade is treated as described
Encrypt the attribute information of file；
Collecting unit 300, which has, to be used for：The finger print information of user's input is gathered, and by the finger print information and above-mentioned attribute information
Bound.
As a preferred embodiment of the present invention, ciphering unit 400 specifically for：
First time encryption is carried out to the file to be encrypted according to the pressing force grade；
The file encrypted according to the finger print information to the first time carries out second and encrypted.
As a preferred embodiment of the present invention, the mobile terminal also includes computing unit 500, computing unit 500 is specific
For：
The important level D for having encrypted file is calculated according to following formula:
Wherein, L1 represents the pressing force grade, and L2 represents reference grade, and T1 represents the file size of the file to be encrypted
（Unit：kb）, T2 represents reference paper size（Unit：kb）, K represents default constant coefficient.
It should be noted that mobile terminal provided in an embodiment of the present invention and the above-mentioned file encryption applied to mobile terminal
Method embodiment correspondence, its operation principle and method are corresponded to and are applicable, just repeat no more here.
In embodiments of the present invention, when entering file interface to be encrypted, obtain first in the file interface to be encrypted
When the pressing force grade that applies to the touch-screen of the mobile terminal of user, then according to the pressing force grade to described to be added
Ciphertext part is marked, and gathers the finger print information of user's input, according to the pressing force grade and the finger print information to institute
File to be encrypted is stated to be encrypted.Cipher mode provided in an embodiment of the present invention is to combine pressing force grade and fingerprint, is more pacified
It is complete reliable, it is to avoid vital document, which is cracked, divulges a secret, lift safety coefficient.
It will be appreciated by those skilled in the art that simply being carried out for the unit that above-described embodiment includes according to function logic
Divide, but be not limited to above-mentioned division, as long as corresponding function can be realized；In addition, the tool of each functional unit
Body title is also only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.
Those of ordinary skill in the art are further appreciated that all or part of step realized in above-described embodiment method is can
To instruct the hardware of correlation to complete by program, described program can be stored in a computer read/write memory medium
In, described storage medium, including ROM/RAM, disk, CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of method of file encryption, applied to mobile terminal, it is characterised in that the described method comprises the following steps：
Into file interface to be encrypted, obtain the user in the file interface to be encrypted and the touch-screen of the mobile terminal is applied
Plus pressing force grade；
The file to be encrypted is marked according to the pressing force grade, and gathers the finger print information of user's input；
The file to be encrypted is encrypted according to the pressing force grade and the finger print information.
2. according to the method described in claim 1, it is characterised in that acquisition user couple in the file interface to be encrypted
The step of pressing force grade that the touch-screen of the mobile terminal applies, including：
When entering the file interface to be encrypted, the pressing force that detection user applies on the touch-screen of the mobile terminal
Value；
Applied according to default pressing force grade with pressing the corresponding relation acquisition user of force value on the touch-screen of the mobile terminal
Plus the corresponding pressing force grade of pressing force value.
3. according to the method described in claim 1, it is characterised in that it is described according to the pressing force grade to the ciphertext to be added
Part is marked, and gather user input finger print information the step of, including：
Using the pressing force grade as the file to be encrypted attribute information；
The finger print information of user's input is gathered, and the finger print information is bound with above-mentioned attribute information.
4. according to the method described in claim 1, it is characterised in that described according to the pressing force grade and the finger print information
The step of file to be encrypted is encrypted, including：
First time encryption is carried out to the file to be encrypted according to the pressing force grade；
The file encrypted according to the finger print information to the first time carries out second and encrypted.
5. according to the method described in claim 1, it is characterised in that believed described according to the pressing force grade and the fingerprint
After the step of file to be encrypted is encrypted breath, in addition to：
The important level D for having encrypted file is calculated according to following formula:
Wherein, L1 represents the pressing force grade, and L2 represents reference grade, and T1 represents the file size of the file to be encrypted
（Unit：kb）, T2 represents reference paper size（Unit：kb）, K represents default constant coefficient.
6. a kind of mobile terminal, it is characterised in that the mobile terminal includes：
Acquiring unit, for enter file interface to be encrypted when, obtain in the file interface to be encrypted user to described
The pressing force grade that the touch-screen of mobile terminal applies；
Indexing unit, for the file to be encrypted to be marked according to the pressing force grade；
Collecting unit, the finger print information for gathering user's input；
Ciphering unit, for the file to be encrypted to be encrypted according to the pressing force grade and the finger print information.
7. mobile terminal according to claim 6, it is characterised in that the acquiring unit specifically for：
When entering the file interface to be encrypted, the pressing force that detection user applies on the touch-screen of the mobile terminal
Value；
Applied according to default pressing force grade with pressing the corresponding relation acquisition user of force value on the touch-screen of the mobile terminal
Plus the corresponding pressing force grade of pressing force value.
8. mobile terminal according to claim 6, it is characterised in that the indexing unit specifically for：By the pressing
Power grade as the file to be encrypted attribute information；
The collecting unit, which has, to be used for：The finger print information of user's input is gathered, and the finger print information and above-mentioned attribute are believed
Breath is bound.
9. mobile terminal according to claim 6, it is characterised in that the ciphering unit specifically for：
First time encryption is carried out to the file to be encrypted according to the pressing force grade；
The file encrypted according to the finger print information to the first time carries out second and encrypted.
10. mobile terminal according to claim 6, it is characterised in that the mobile terminal also includes computing unit, described
Computing unit specifically for：
The important level D for having encrypted file is calculated according to following formula:
Wherein, L1 represents the pressing force grade, and L2 represents reference grade, and T1 represents the file size of the file to be encrypted
（Unit：kb）, T2 represents reference paper size（Unit：kb）, K represents default constant coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262299.1A CN107038365A (en) | 2017-04-20 | 2017-04-20 | The method and mobile terminal of a kind of file encryption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262299.1A CN107038365A (en) | 2017-04-20 | 2017-04-20 | The method and mobile terminal of a kind of file encryption |
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Family
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| CN201710262299.1A Pending CN107038365A (en) | 2017-04-20 | 2017-04-20 | The method and mobile terminal of a kind of file encryption |
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| CN107590026A (en) * | 2017-08-23 | 2018-01-16 | 深圳市优品壹电子有限公司 | A kind of data back up method and device |
| CN108959941A (en) * | 2018-06-21 | 2018-12-07 | Oppo（重庆）智能科技有限公司 | Data ciphering method, device and electronic device |
| CN109120589A (en) * | 2018-06-30 | 2019-01-01 | 北京东方英卡数字信息技术有限公司 | A kind of end message guard method and device based on Crypted password |
| CN109951844A (en) * | 2019-01-31 | 2019-06-28 | 维沃移动通信有限公司 | A kind of information protecting method and device |
| CN110045910A (en) * | 2019-04-17 | 2019-07-23 | 深圳前海达闼云端智能科技有限公司 | A kind of operating method of terminal, terminal and readable storage medium storing program for executing |
| CN112073560A (en) * | 2019-06-10 | 2020-12-11 | Oppo广东移动通信有限公司 | Application control method, electronic device, and non-volatile computer-readable storage medium |
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| CN112073560A (en) * | 2019-06-10 | 2020-12-11 | Oppo广东移动通信有限公司 | Application control method, electronic device, and non-volatile computer-readable storage medium |
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