CN104573535A - Mobile terminal, and method and device for improving encryption efficiency - Google Patents
Mobile terminal, and method and device for improving encryption efficiency Download PDFInfo
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- CN104573535A CN104573535A CN201510003727.XA CN201510003727A CN104573535A CN 104573535 A CN104573535 A CN 104573535A CN 201510003727 A CN201510003727 A CN 201510003727A CN 104573535 A CN104573535 A CN 104573535A
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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
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6236—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database between heterogeneous systems
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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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Abstract
The invention discloses a mobile terminal, and a method and a device for improving encryption efficiency, and belongs to the technical field of mobile terminals. The method for improving the encryption efficiency is applied to the mobile terminal, and a database of the mobile terminal stores applicable encryption algorithms according to different file types. The method includes the steps: acquiring the type of an encryption file selected by a user; searching the encryption algorithm correspondingly applicable to the acquired file type in the database; encrypting the file by the searched encryption algorithm. The file is encrypted by the applicable encryption algorithm searched in a system by acquiring the file type of the encryption file, so that the encryption algorithm is selected in a targeted manner and applicable to the file selected by the user, and the encryption efficiency is improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, be specifically related to the method and apparatus of a kind of mobile terminal and raising encryption efficiency thereof.
Background technology
Although smart mobile phone performance along with the development processing speed of present integrated chip technology more and more higher, along with video, audio file quality becomes becomes better and better, and the size of all types of Single documents is increasing.Limited handset processes ability often needs when carrying out encryption and decryption to these large files to spend long time, inefficiency.
Existing not segment for different file types for dissimilar file encrypting method, also do not judge which kind of cryptographic algorithm it is suitable for according to the size of file, cause the cryptographic algorithm that has higher for the encrypt file efficiency of a certain type, but when the file of other type is encrypted or need the longer time or the number of file of simultaneously encrypting limited, cause overall encryption efficiency lower.
Also do not have a kind of method preferably at present, the cryptographic algorithm that comparatively can be applicable to for the type selecting one of different encrypt files is encrypted.
Summary of the invention
The invention provides the method and apparatus of a kind of mobile terminal and raising encryption efficiency thereof, to reach the object improving encryption efficiency, overcome above-mentioned prior art and an applicable cryptographic algorithm can not be selected for different file types to be encrypted the defect causing encryption efficiency low.
The technical scheme that the present invention solves the problems of the technologies described above is as follows.
According to an aspect of the present invention, a kind of method improving encryption efficiency provided, the method is applied to mobile terminal, and the database of this mobile terminal stores applicable cryptographic algorithm for often kind of different file type, and the method comprises:
Obtain the type of the encrypt file that user selectes;
Inquire about the cryptographic algorithm that be suitable for corresponding to the file type got in a database;
The cryptographic algorithm inquired is used to be encrypted file.
Preferably, the method also comprises:
Select different cryptographic algorithm to be encrypted identical file, and detect the encryption efficiency of each cryptographic algorithm;
According to the height of encryption efficiency, the cryptographic algorithm participating in encryption is sorted;
Cryptographic algorithm the highest for encryption efficiency is defined as the file type of identical file the cryptographic algorithm that is suitable for.
Preferably, above-mentioned identical file type the cryptographic algorithm that is suitable for be the algorithm groups comprising two or more cryptographic algorithm, database prestores applicable cryptographic algorithm corresponding from the size of different encrypt files, and the method specifically comprises:
Obtain the file size of the encrypt file that user selectes;
Algorithm groups corresponding with the type of the encrypt file got in Query Database;
The cryptographic algorithm matched with the size of the encrypt file got is inquired about further in the algorithm groups inquired.
Preferably, determine that the mode that the user encrypt file selected and the encrypt file prestored match in file size is:
Calculate the absolute value of the encrypt file selected of user and the difference of the size of the encrypt file prestored;
Judge that the absolute value of difference is whether in the threshold range preset, and if so, then judges that the encrypt file that user selectes and the encrypt file prestored match in file size.
Preferably, remote server stores expert teacher algorithms library, the database of mobile terminal stores applicable cryptographic algorithm for often kind of different file type and derives from expert teacher algorithms library, and the cryptographic algorithm be suitable for of the database purchase of mobile terminal is a subset of expert teacher algorithms library.
Preferably, the method also comprises:
When detecting that the expert teacher algorithms library that remote server stores has a renewal, update stored in the database of local mobile terminal.
According to another aspect of the present invention, a kind of device improving encryption efficiency provided, this device comprises:
File type acquisition module, for obtaining the type of the encrypt file that user selectes;
Cryptographic algorithm enquiry module, for the corresponding cryptographic algorithm be suitable for of the file type of inquiring about in a database with get;
Encrypting module, is encrypted file for using the cryptographic algorithm inquired.
Preferably, the device of this raising encryption efficiency also comprises:
Encryption efficiency detection module, for selecting different cryptographic algorithm to be encrypted identical file, and detects the encryption efficiency of each cryptographic algorithm;
Order module, sorts to the cryptographic algorithm participating in encryption for the height according to encryption efficiency;
Be suitable for algorithm determination module, for cryptographic algorithm the highest for encryption efficiency is defined as the file type of identical file the cryptographic algorithm that is suitable for.
Preferably, the device of this raising encryption efficiency also comprises:
File size acquisition module, for obtaining the file size of the encrypt file that user selectes;
Algorithm groups enquiry module, for algorithm groups corresponding with the type of the encrypt file got in Query Database;
Matching algorithm enquiry module, for inquiring about the cryptographic algorithm matched with the size of the encrypt file got further in the algorithm groups inquired.
According to a further aspect of the invention, a kind of mobile terminal provided, this mobile terminal comprises the device of above-mentioned raising encryption efficiency.
The invention provides the method and apparatus of a kind of mobile terminal and raising encryption efficiency thereof, any cryptographic algorithm is suitable for by prestoring dissimilar encrypt file, when user needs encrypting file, obtain the file type with this encrypt file, then inquire about in systems in which its cryptographic algorithm that is suitable for, and by this cryptographic algorithm, the file that user selectes is encrypted, make the selection of cryptographic algorithm be targetedly, be suitable for file that user selectes, thus improve encryption efficiency.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method for raising encryption efficiency according to an embodiment of the invention;
Fig. 2 is the process flow diagram of the method for raising encryption efficiency according to another embodiment of the present invention;
Fig. 3 is the process flow diagram of the method for raising encryption efficiency according to still another embodiment of the invention;
Fig. 4 is the exemplary block diagram of the device of raising encryption efficiency according to an embodiment of the invention;
Fig. 5 is the exemplary block diagram of the device of raising encryption efficiency according to another embodiment of the present invention;
Fig. 6 is the exemplary block diagram of mobile terminal according to an embodiment of the invention.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment one
Fig. 1 is the process flow diagram of the method for raising encryption efficiency according to an embodiment of the invention, the method of raising encryption efficiency according to an embodiment of the invention is described below in conjunction with Fig. 1, the method is applied to mobile terminal, the database of this mobile terminal stores applicable cryptographic algorithm for often kind of different file type, and this mobile terminal such as mobile phone, panel computer, notebook computer, all-in-one etc. can be used for the portable electric appts encrypted.As shown in Figure 1, the method comprises the following steps:
The type of the encrypt file that S100, acquisition user select;
S200, in a database inquire about corresponding with the file type got be suitable for cryptographic algorithm;
The cryptographic algorithm that S300, use inquire is encrypted file.
Wherein, the source of the algorithm stored in the database of mobile terminal can be derive from this locality, but because the algorithm be encrypted file is a huge numeral, all be stored in this locality need to take more in urge, therefore the algorithm stored in database also can be derive from remote server, when the database source of mobile terminal is in remote server, remote server stores for every type file the expert teacher algorithms library of algorithm that is suitable for, the database of mobile terminal stores applicable cryptographic algorithm for often kind of different file type and derives from expert teacher algorithms library, and the cryptographic algorithm be suitable for of the database purchase of mobile terminal is a subset of expert teacher algorithms library.
In view of this, optionally, the method for this raising encryption efficiency also comprises:
When detecting that the expert teacher algorithms library that remote server stores has a renewal, update stored in the database of local mobile terminal.
Be described further for the foundation of expert teacher algorithms library and source below:
First we have algorithms library S
n, this algorithms library N many algorithms, as follows:
S
N＝{s
1,s
2,s
3,s
4,s
5,s
6......}
We need to assess these algorithms:
(1) according to the applicability of cryptographic algorithm, algorithm is divided into T-shaped, P type, Q type ..., the such as T-shaped cryptographic algorithm for for the cryptographic algorithm of video file, P type being for audio file ....
(2) the encryption efficiency difference of veriform algorithm groups needs mode by experiment to draw.So-called experiment method is exactly that the file of the different sizes that can meet homotype algorithm groups passes through encrypting and decrypting, draw the priority of cryptographic algorithm in the algorithm groups under different file size, such as, T-shaped algorithm groups is encrypted video file, T-shaped algorithm groups is totally different to encryption efficiency before the video file of the different size of 1M, 10M, 100M, 1G, in face of the file type of different size, according to treatment effeciency, rank is carried out to the cryptographic algorithm in T-shaped algorithm groups.
T
1＝{s
j,s
l,s
k,s
n,
is,.
T1 is the ranking result to T-shaped algorithm groups in certain fixed-size segments, and the result of rank comes from actual experimentation.
We establish the algorithms library of expert teacher to algorithms library like this, carry out comprehensive assessment, thus include expert teacher algorithms library in when new algorithm joins us according to the judge step of algorithms library to algorithm.
The present embodiment is by setting up expert teacher algorithms library and forming local algorithm data-base according to this expert teacher algorithms library, making to be suitable for what algorithm for which kind of file of which kind of size in the data of local mobile terminal is encrypted relatively accurate, when needs are encrypted, the algorithm that directly inquiry is corresponding suitable, simplify ciphering process, and then improve encryption efficiency.
Embodiment two
Fig. 2 is the process flow diagram of the method for raising encryption efficiency according to another embodiment of the present invention, and as shown in Figure 2, the method for this raising encryption efficiency also comprises on the basis comprising above-mentioned steps S100, S200 and S300:
S010, select different cryptographic algorithm to be encrypted identical file, and detect the encryption efficiency of each cryptographic algorithm;
S020, according to encryption efficiency height to participate in encryption cryptographic algorithm sort;
S030, cryptographic algorithm the highest for encryption efficiency is defined as identical file file type the cryptographic algorithm that is suitable for.
Wherein, detect certain cryptographic algorithm to be passed judgment on by encryption times for the height of the encryption efficiency of identical file, also can pass judgment on by the number of the file simultaneously can encrypt, when encrypting more in short-term and/or the number of the file that can simultaneously encrypt is more time, the efficiency that expression is encrypted is higher.
The present embodiment is sorted to the cryptographic algorithm participating in encryption by the height according to encryption efficiency, thus draw for the comparatively suitable cryptographic algorithm of the file of a certain type, for subsequent query, make the file for a certain type determine its cryptographic algorithm that is suitable for determine more accurate.
Embodiment three
Fig. 3 is the process flow diagram of the method for raising encryption efficiency according to still another embodiment of the invention, as shown in Figure 3, above-mentioned identical file type the cryptographic algorithm that is suitable for be the algorithm groups comprising two or more cryptographic algorithm, database prestores applicable cryptographic algorithm corresponding from the size of different encrypt files, the method of this raising encryption efficiency is on the basis comprising above-mentioned steps S300, and above-mentioned steps S100 is specially:
S110, the file type obtaining the encrypt file that user selectes and size.
Above-mentioned steps S200 specifically comprises:
Algorithm groups corresponding with the type of the encrypt file got in S210, Query Database;
S220, the cryptographic algorithm that further inquiry matches with the size of the encrypt file got in the algorithm groups inquired.
Wherein, determine that the mode that the user encrypt file selected and the encrypt file prestored match in file size is:
Calculate the absolute value of the encrypt file selected of user and the difference of the size of the encrypt file prestored;
Judge that the absolute value of difference is whether in the threshold range preset, and if so, then judges that the encrypt file that user selectes and the encrypt file prestored match in file size.
Wherein, this threshold range can set according to the size of normative document, when normative document is 1M, this threshold range can be 200KB, and when normative document is 10M, this threshold range can be 2M, when normative document is 100M, this threshold range can be 15M, and when threshold range is 1G, this threshold range can be 30M.
The present embodiment by the size of file is considered be suitable for which kind of cryptographic algorithm selection in, make same type but the larger encrypt file of size difference can navigate to more applicable cryptographic algorithm, improve further the efficiency of encrypting.
Embodiment four
Fig. 4 is the exemplary block diagram of the device of raising encryption efficiency according to an embodiment of the invention, describes the device 100 of raising encryption efficiency according to an embodiment of the invention below according to Fig. 4, and as shown in Figure 4, this device comprises:
File type acquisition module 01, for obtaining the type of the encrypt file that user selectes;
Cryptographic algorithm enquiry module 02, for the corresponding cryptographic algorithm be suitable for of the file type of inquiring about in a database with get;
Encrypting module 03, is encrypted file for using the cryptographic algorithm inquired.
Optionally, as shown in Figure 5, the device of this raising encryption efficiency also comprises:
Encryption efficiency detection module 04, for selecting different cryptographic algorithm to be encrypted identical file, and detects the encryption efficiency of each cryptographic algorithm;
Order module 05, sorts to the cryptographic algorithm participating in encryption for the height according to encryption efficiency;
Be suitable for algorithm determination module 06, for cryptographic algorithm the highest for encryption efficiency is defined as the file type of identical file the cryptographic algorithm that is suitable for.
Wherein, optionally, the device of this raising encryption efficiency can also comprise:
File size acquisition module, for obtaining the file size of the encrypt file that user selectes;
Algorithm groups enquiry module, for algorithm groups corresponding with the type of the encrypt file got in Query Database;
Matching algorithm enquiry module, for inquiring about the cryptographic algorithm matched with the size of the encrypt file got further in the algorithm groups inquired.
Embodiment five
Fig. 6 is the exemplary block diagram of mobile terminal according to an embodiment of the invention, mobile terminal 11 as shown in Figure 6, and this mobile terminal comprises the device 100 of above-mentioned raising encryption efficiency.
The present invention is suitable for any cryptographic algorithm by prestoring dissimilar encrypt file, when user needs encrypting file, obtain the file type with this encrypt file, then inquire about in systems in which its cryptographic algorithm that is suitable for, and by this cryptographic algorithm, the file that user selectes is encrypted, make the selection of cryptographic algorithm be targetedly, be suitable for file that user selectes, thus improve encryption efficiency.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. improve a method for encryption efficiency, described method is applied to mobile terminal, it is characterized in that, the database of described mobile terminal stores applicable cryptographic algorithm for often kind of different file type, and described method comprises:
Obtain the type of the encrypt file that user selectes;
Inquire about the cryptographic algorithm that be suitable for corresponding to the file type got in the database;
The cryptographic algorithm inquired is used to be encrypted described file.
2. the method for raising encryption efficiency according to claim 1, is characterized in that, described method also comprises:
Select different cryptographic algorithm to be encrypted identical file, and detect the encryption efficiency of each cryptographic algorithm;
According to the height of encryption efficiency, the cryptographic algorithm participating in encryption is sorted;
Cryptographic algorithm the highest for encryption efficiency is defined as the file type of described identical file the cryptographic algorithm that is suitable for.
3. the method for raising encryption efficiency according to claim 1, it is characterized in that, described identical file type the cryptographic algorithm that is suitable for be the algorithm groups comprising two or more cryptographic algorithm, described database prestores applicable cryptographic algorithm corresponding from the size of different encrypt files, and described method specifically comprises:
Obtain the file size of the encrypt file that user selectes;
Inquire about algorithm groups corresponding with the type of the encrypt file got in described database;
The cryptographic algorithm matched with the size of the encrypt file got is inquired about further in the algorithm groups inquired.
4. the method for raising encryption efficiency according to claim 3, is characterized in that, determines that the mode that the user encrypt file selected and the encrypt file prestored match in file size is:
Calculate the absolute value of the encrypt file selected of user and the difference of the size of the encrypt file prestored;
Judge that the absolute value of described difference is whether in the threshold range preset, and if so, then judges that the encrypt file that user selectes and the encrypt file prestored match in file size.
5. the method for raising encryption efficiency according to claim 1, it is characterized in that, remote server stores expert teacher algorithms library, the database of described mobile terminal stores applicable cryptographic algorithm for often kind of different file type and derives from described expert teacher algorithms library, and the cryptographic algorithm be suitable for of the database purchase of described mobile terminal is a subset of described expert teacher algorithms library.
6. the method for raising encryption efficiency according to claim 5, is characterized in that, described method also comprises:
When detecting that the expert teacher algorithms library that described remote server stores has a renewal, update stored in the database of local mobile terminal.
7. improve a device for encryption efficiency, it is characterized in that, described device comprises:
File type acquisition module, for obtaining the type of the encrypt file that user selectes;
Cryptographic algorithm enquiry module, for the corresponding cryptographic algorithm be suitable for of the file type of inquiring about in the database with get;
Encrypting module, is encrypted described file for using the cryptographic algorithm inquired.
8. device according to claim 7, is characterized in that, described device also comprises:
Encryption efficiency detection module, for selecting different cryptographic algorithm to be encrypted identical file, and detects the encryption efficiency of each cryptographic algorithm;
Order module, sorts to the cryptographic algorithm participating in encryption for the height according to encryption efficiency;
Be suitable for algorithm determination module, for cryptographic algorithm the highest for encryption efficiency is defined as the file type of described identical file the cryptographic algorithm that is suitable for.
9. the device according to claim 7 or 8, is characterized in that, described device also comprises:
File size acquisition module, for obtaining the file size of the encrypt file that user selectes;
Algorithm groups enquiry module, for inquiring about algorithm groups corresponding with the type of the encrypt file got in described database;
Matching algorithm enquiry module, for inquiring about the cryptographic algorithm matched with the size of the encrypt file got further in the algorithm groups inquired.
10. a mobile terminal, is characterized in that, described mobile terminal comprises the device of the raising encryption efficiency described in any one of the claims 7 ~ 9.
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| CN105069365A (en) * | 2015-06-30 | 2015-11-18 | 广东欧珀移动通信有限公司 | Data processing method and mobile terminal |
| CN106656496A (en) * | 2017-02-22 | 2017-05-10 | 郑州云海信息技术有限公司 | Data encryption method and apparatus |
| CN106934283A (en) * | 2015-12-31 | 2017-07-07 | 中兴通讯股份有限公司 | A kind of method and apparatus for realizing file censorship |
| CN107302428A (en) * | 2017-05-26 | 2017-10-27 | 北京国电通网络技术有限公司 | The machinery of consultation of the cryptographic algorithm of data transport services in a kind of power distribution network |
| CN107920083A (en) * | 2017-12-05 | 2018-04-17 | 北京军秀咨询有限公司 | A kind of data encryption and decryption device and its encryption and decryption approaches |
| CN108595971A (en) * | 2018-04-25 | 2018-09-28 | 杭州闪捷信息科技股份有限公司 | A kind of database adaptive refinement method |
| CN109299611A (en) * | 2018-08-27 | 2019-02-01 | 优视科技新加坡有限公司 | File encrypting method, device, equipment/terminal/server and computer readable storage medium |
| CN108055233B (en) * | 2017-10-30 | 2020-12-11 | 北京智芯微电子科技有限公司 | Multi-algorithm processing method and device for security chip |
| CN113420339A (en) * | 2021-07-02 | 2021-09-21 | 广东全芯半导体有限公司 | Encrypted USB flash disk and authorization method |
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| CN113420339A (en) * | 2021-07-02 | 2021-09-21 | 广东全芯半导体有限公司 | Encrypted USB flash disk and authorization method |
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| Publication number | Publication date |
|---|---|
| CN104573535B (en) | 2019-08-16 |
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