CN106203182A - The device and method of storage data - Google Patents
The device and method of storage data Download PDFInfo
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- CN106203182A CN106203182A CN201610460444.2A CN201610460444A CN106203182A CN 106203182 A CN106203182 A CN 106203182A CN 201610460444 A CN201610460444 A CN 201610460444A CN 106203182 A CN106203182 A CN 106203182A
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- external equipment
- byte stream
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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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
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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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of device and method storing data, wherein, this device includes: the first processing module, for in the case of determining and storing data in built-in external equipment, data are carried out pretreatment, so that character stream is converted to byte stream, further according to predetermined cryptographic algorithm, byte stream is encrypted；Memory module, for storing the byte stream after encryption to built-in external equipment.The present invention is by the device and method of the storage data of above-mentioned offer, it is different from soft encryption or the hardware encryption of traditional approach, but be separately provided a built-in external equipment and the data of need for confidentiality are stored, this built-in external equipment exists independent of central processing unit, even if central processing unit is hacked, built-in external equipment is due to its independent feature, also there is higher security performance, the data that can protect all kinds of need for confidentiality of user are not stolen, better user experience, the problem solving the bigger potential safety hazard that smart mobile phone in prior art all exists.
Description
Technical field
The present invention relates to communication field, particularly relate to a kind of device and method storing data.
Background technology
Along with the development of science and technology, experienced three stages inevitably wanted by our mobile phone: from function machine to intelligent machine again
To safe and intelligent machine, as shown in Figure 1.
For function machine, the progress of intelligent machine is self-evident, and what everyone can know from experience arrives, but the thing followed
It is exactly that intelligent machine, for function machine, has bigger potential safety hazard, as PC (Personal Computer, Ge Renji
Calculation machine) equally, increasing hacker can select to attack our cell phone system, steals the data of user.This would have to want
Us are asked to explore to the next stage, here it is safe and intelligent machine.
Safe and intelligent mobile phone is an abstract concept, and it can have a variety of implementation, and one is that soft encryption (is i.e. used
Code realizes the mode of encryption we term it soft encryption), now, people can be by various AESs to data
It is encrypted；And the process that the algorithm model consisted of the various components and parts in hardware is encrypted is referred to as hardware encryption,
The safety of hardware encryption is higher than soft encryption because it be the various components and parts of algorithm are combined be encapsulated in one similar black
In the hardware of box, assailant has no idea to obtain its algorithm, and this has occurred as soon as present popular another kind of security means,
It is exactly the means using hardware isolated in CPU (Central Processing Unit, central processing unit), has encapsulated out one
Individual safety area, this is exactly TEE (Trusted Execution Environment, credible running environment), is called
TrustZone (safety zone), but after all, it still belongs to a part of CPU.
When there being assault smart mobile phone, CPU is first subjected to attack, accordingly, as the TrustZone of a CPU part
Also can there is great potential safety hazard, after CPU is hacked, TrustZone the most just loses its meaning being similar to black box.
Therefore, prior art either uses soft encryption or the means of hardware encryption are encrypted to smart mobile phone
, all there is bigger potential safety hazard in protection, once CPU is hacked, and will cause the problem that data are stolen immediately.
Summary of the invention
Present invention is primarily targeted at a kind of device and method storing data of proposition, it is intended to solve nothing in prior art
Opinion is to use soft encryption or the means of hardware encryption are encrypted protection to smart mobile phone, all there is bigger safety hidden
Suffering from, once CPU is hacked, and will cause the problem that data are stolen.
For achieving the above object, a kind of device storing data that the present invention provides, described device includes: first processes mould
Block, for, in the case of determining and storing data in built-in external equipment, carrying out pretreatment to described data, with by character
Circulation is changed to byte stream, is encrypted described byte stream further according to predetermined cryptographic algorithm；Memory module, for encrypting
Byte stream after process stores to described built-in external equipment.
Optionally, the device of described storage data also includes: receiver module, for receiving the described number from input equipment
According to, and receive the trigger message from user, wherein, described trigger message is for indicating the storage position of described data；Judge
Module, for judging whether to store the data in described built-in external equipment according to described trigger message.
Optionally, the device of described storage data also includes: present module, for receiving the trigger message from user
Before, presenting prompting user and select the prompting message of a store path on screen, wherein, described store path includes: deposit
Store up in internal memory, or, it is stored in described built-in external equipment.
Optionally, the device of described storage data also includes: the second processing module, in determining and storing data in
In the case of putting memorizer, described data are carried out pretreatment, character stream to be converted to byte stream, and described byte stream is deposited
Storage is to described internal memory.
Optionally, described in present module, be additionally operable to store to described internal memory or described built-in at described byte stream
External equipment after, present prompting message, to point out the storage position of data described in user.
Additionally, for achieving the above object, the present invention also proposes a kind of method storing data, and described method includes: really
Surely, in the case of storing data in built-in external equipment, by described built-in external equipment, described data are carried out pre-place
Reason, to be converted to byte stream by character stream；According to predetermined cryptographic algorithm, described byte stream is encrypted, and by encryption
Byte stream after reason stores.
Optionally, before described data being carried out pretreatment by described built-in external equipment, also include: receive from
The described data of input equipment；Receiving the trigger message from user, wherein, described trigger message is for indicating described data
Storage position；Judge whether to store the data in described built-in external equipment according to described trigger message.
Optionally, received before the trigger message of user, also include: on screen, present prompting user select one
The prompting message of store path, wherein, described store path includes: be stored in internal memory, or, it is stored in described interior
In the external equipment put.
Optionally, in the case of determining and storing data in internal memory, by central processing unit to described data
Carry out pretreatment, character stream to be converted to byte stream, and described byte stream is stored.
Optionally, store after described internal memory or described built-in external equipment at described byte stream, also wrap
Include: present prompting message, to point out the storage position of data described in user.
The present invention, by the device and method of the storage data of above-mentioned offer, is different from the soft encryption of traditional approach or firmly adds
Close, but be separately provided a built-in external equipment and the data of need for confidentiality are stored, this built-in external equipment
Existing independent of CPU, even if CPU is hacked, built-in external equipment is due to its independent feature, it may have higher safety
Can, it is possible to the data of protection all kinds of need for confidentiality of user are not stolen, better user experience solves in prior art either
Use soft encryption or the means of hardware encryption are encrypted protection to smart mobile phone, all there is bigger potential safety hazard, one
Denier CPU is hacked, and will cause the problem that data are stolen.
Accompanying drawing explanation
Fig. 1 is the three phases schematic diagram of prior art mobile phone experience；
Fig. 2 is the hardware architecture diagram of an optional mobile terminal of the embodiment of the present invention；
Fig. 3 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 2；
Fig. 4 realizes the block diagram of the mobile terminal of first embodiment of the invention；
Fig. 5 realizes the structural representation of the device of the storage data of second embodiment of the invention；
Fig. 6 realizes the structural representation of the device of the storage data of third embodiment of the invention；
Fig. 7 realizes the structural representation of the device of the storage data of fourth embodiment of the invention；
Fig. 8 realizes the flow chart of the method for the storage data of fifth embodiment of the invention；
Fig. 9 realizes the flow chart of the method for the storage data of sixth embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do optional explanation referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use
For representing the suffix explanation only for the beneficially present invention of such as " module ", " parts " or " unit " of element, itself
Not specific meaning.Therefore, " module " can mixedly use with " parts ".
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and consolidating of such as numeral TV, desk computer etc.
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, mobile except being used in particular for
Outside the element of purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 2 is the hardware configuration signal of the optional mobile terminal realizing the embodiment of the present invention.Certainly, the present invention exists
The hardware configuration of this mobile terminal can be illustrated by embodiment comprehensively, in subsequent embodiment, if also relating to mobile
Terminal, it is possible to use the hardware configuration explanation in this embodiment, no longer will carry out repetition of explanation in subsequent embodiment, following
Explanation should be the most applicable for each embodiment of the present invention.
Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input block 120, user's input
Unit 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 2 shows the mobile terminal with various assembly, it should be understood that be not required for implementing all groups illustrated
Part.Can alternatively implement more or less of assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 and wireless communication system
Or the radio communication between network.Such as, wireless communication unit can include mobile communication module 112, wireless Internet mould
At least one in block 113, short range communication module 114 and positional information module 115.
Mobile communication module 112 sends radio signals to base station (such as, access point, node B etc.), exterior terminal
And in server at least one and/or receive from it radio signal.Such radio signal can include that voice leads to
Words signal, video calling signal or the various types of data sending according to text and/or Multimedia Message and/or receiving.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Tooth TM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee TM etc..
Positional information module 115 is the module of positional information for checking or obtain mobile terminal.Positional information module
Typical case be GPS (global pick device).According to current technology, positional information module 115 calculates from three or more
The range information of many satellites and correct time information and for the Information application triangulation calculated, thus according to warp
Degree, latitude and highly accurately calculating three-dimensional current location information.Currently, for calculating the method use of position and temporal information
Three satellites and by using the position and the error of temporal information that other satellite correction calculates.Additionally, position
Information module 115 can calculate velocity information by Continuous plus current location information in real time.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include camera 121 He
Mike 122, the camera 121 static images to being obtained by image capture apparatus in Video Capture pattern or image capture mode
Or the view data of video processes.Picture frame after process may be displayed on display unit 151.Process through camera 121
After picture frame can be stored in memorizer 160 (or other storage medium) or via wireless communication unit 110 carry out send out
Send, two or more cameras 121 can be provided according to the structure of mobile terminal.Mike 122 can be in telephone calling model, note
Record pattern, speech recognition mode etc. operational mode receives sound (voice data) via mike, and can be by so
Acoustic processing be voice data.Audio frequency (voice) data after process can be converted in the case of telephone calling model can
The form output of mobile communication base station it is sent to via mobile communication module 112.Mike 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm and with the noise of elimination (or suppression) generation during receiving and send audio signal or does
Disturb.
User input unit 130 can generate key data, to control the various of mobile terminal according to the order of user's input
Operation.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch pad
(such as, detection due to touched and cause resistance, pressure, the sensitive component of change of electric capacity etc.), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close shape
State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal
Orientation, the acceleration of mobile terminal 100 of 100 or speed is moved and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense
This sliding-type phone opens or cuts out.It addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.Such as,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, for connect have the port of device of identification module, audio frequency input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage is for verifying that user uses each of mobile terminal 100
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..It addition, the device (hereinafter referred to as " identifying device ") with identification module can be to take the form of smart card, therefore, know
Other device can be connected with mobile terminal 100 via port or other attachment means.Interface unit 170 may be used for receive from
The input (such as, data message, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements or may be used between mobile terminal and external device (ED) transmit data.
It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing electricity by it
Power provides the path of mobile terminal 100 from base or can serve as allowing from the various command signals of base input by it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from various command signals or the electric power of base input
The no signal being accurately fitted within base.
Output unit 150 is configured to provide output signal (such as, audio frequency letter with vision, audio frequency and/or tactile manner
Number, video signal, alarm signal, vibration signal etc.).Output unit 150 can include that display unit 151, audio frequency export mould
Block 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 100.Such as, it is in electricity when mobile terminal 100
During words call mode, display unit 151 can show and call or other (such as, text messaging, multimedia file that communicate
Download etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern
Or during image capture mode, display unit 151 can show image and/or the image of reception of capture, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another with formed touch screen time, display unit
151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
A kind of.Some in these display may be constructed such that transparence is watched from outside with permission user, and this is properly termed as transparent
Display, typical transparent display can for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 100 can include two or more display units (or other display device), such as, move
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal receive pattern, call mode, logging mode,
Time under the isotype such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or at memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide with mobile
The audio frequency output (such as, call signal receives sound, message sink sound etc.) that the specific function that terminal 100 performs is relevant.
Dio Output Modules 152 can include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 100.Typical event is permissible
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video exports, alarm unit
153 can provide output with the generation of notification event in a different manner.Such as, alarm unit 153 can be with the form of vibration
Output is provided, when receiving calling, message or some other entrance communication (incomingcommunication), alarm list
Unit 153 can provide sense of touch output (that is, vibration) to notify to user.By providing such sense of touch to export, even if
When the mobile phone of user is in the pocket of user, user also is able to identify the generation of various event.Alarm unit 153 is also
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc., or can
Temporarily to store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And
And, memorizer 160 can with storage about when touch be applied to touch screen time the vibration of various modes of output and audio signal
Data.
Memorizer 160 can include that the storage medium of at least one type, described storage medium include flash memory, hard disk, many
Media card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access store
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 100 can be connected execution memorizer with by network
The network storage device cooperation of the storage function of 160.
Controller 180 (being also called processor, i.e. CPU) generally controls the overall operation of mobile terminal.Such as, controller
180 perform the control relevant to voice call, data communication, video calling etc. and process.It addition, controller 180 can wrap
Including the multi-media module 1810 for reproducing (or playback) multi-medium data, multi-media module 1810 can construct at controller
In 180, or it is so structured that separate with controller 180.Controller 180 can perform pattern recognition process, touching
The handwriting input performed on screen or picture are drawn input and are identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Suitable electric power needed for part and assembly.
Various embodiment described herein can be to use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implementing for hardware, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
Software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any suitable programming language
Implementing, software code can be stored in memorizer 160 and be performed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
As shown in Figure 2 mobile terminal 100 may be constructed such that utilize via frame or packet transmission data all if any
Line and wireless communication system and satellite-based communication system operate.
The communication system being wherein operable to according to the mobile terminal of the present invention is described referring now to Fig. 3.
Such communication system can use different air interfaces and/or physical layer.Such as, communication system use
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face relates to cdma communication system, but such teaching is equally applicable to other type of system.
With reference to Fig. 3, cdma wireless communication system can include multiple mobile terminal 100, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to and the BSC275 formation interface that can be couple to base station 270 via back haul link.
If back haul link can construct according to any one in the interface that Ganji knows, described interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system as shown in Figure 3 can include multiple BSC2750.
Each BS270 can service one or more subregion (or region), by multidirectional antenna or the sky of sensing specific direction
Each subregion that line covers is radially away from BS270.Or, each subregion can be by for two or more of diversity reception
Antenna covers.Each BS270 may be constructed such that support multiple frequencies distribution, and the distribution of each frequency has specific frequency spectrum
(such as, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " may be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 3, broadcast singal is sent in system the mobile terminal operated by broadcsting transmitter (BT) 295
100.In fig. 3 it is shown that several global positioning systems (GPS) satellite 300.Satellite 300 helps to position multiple mobile terminals 100
In at least one.
In figure 3, depict multiple satellite 300, it is understood that be, it is possible to use any number of satellite obtain useful
Location information.Positional information GPS module 115 is generally configured to coordinate with satellite 300 and wants to obtain as shown in Figure 2
Location information.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use the position of mobile terminal can be followed the tracks of
Other technology put.It addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100
Signal.Mobile terminal 100 generally participates in call, information receiving and transmitting communicates with other type of.Certain base station 270 receive each instead
Processed in specific BS270 to link signal.The data obtained are forwarded to the BSC275 being correlated with.BSC provides call
Resource distribution and the mobile management function of the coordination of soft switching process included between BS270.The number that BSC275 also will receive
According to being routed to MSC280, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, MSC Yu BSC275 forms interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, proposed the mobile end in first embodiment of the invention
End, as shown in Figure 4, the mobile terminal of first embodiment of the invention includes:
Built-in external equipment 10, CPU 11, internal memory 12；Built-in external equipment 10, is arranged on mobile terminal
In, it is connected with CPU 11 by the first I/O channel, processes, store the tentation data that CPU 11 sends；CPU 11, by the 2nd IO
Passage is connected with internal memory 12.Wherein, built-in external equipment essence is a kind of external equipment, simply passed through interior
The mode put has been arranged on inside mobile terminal, and it can have all use conditions of external equipment, therefore, outside this is built-in
Portion's equipment still can use when removing mobile terminal.
In Fig. 4 that above-described embodiment is corresponding, illustrate only the various modules related to, depict two IO in the drawings and lead to
Road, those skilled in the art have identical function according to actual industrial demand, the first I/O channel and the second I/O channel
Passage, here is omitted.
When specifically arranging, the built-in external equipment of mobile terminal can be arranged on the SD card (safe digital card) of mobile terminal
In groove, the external equipment being the most now built due to the position of SD card takies, and mobile terminal now can not meet extra SD again
Card, certainly, mobile terminal can arrange the position of two or more similar SD draw-in groove, thus can individually distribute a position
Deposit built-in external equipment.Due to built-in external equipment in an embodiment be also equipped with process function, its set up be in order to
Increase the safety of mobile terminal, therefore, although itself also possess storage function, but it is not recommended that use this built-in outside
Equipment stores insignificant or non-close content, only stores important content, and therefore, its memory capacity can need not be large.Realizing
During, some non-close or unessential contents, a SD card can be separately provided and store.Therefore, for built-in
External equipment be separately provided what a position was also a need for.
CPU 11 is when implementing, it is common that with the side of the controller 180 of the mobile terminal described in previous embodiment
Formula exists, and this CPU 11 generally controls the overall operation of mobile terminal.Such as, controller 180 performs to lead to voice call, data
Control that letter, video calling etc. are relevant and process.
In the present embodiment, CPU 11 receives data by user input unit 130, after receiving the data, and meeting
Output unit 150 presents a prompting message, points out user to select current data to be saved in which position, subsequently,
Received the trigger message of user again by user input unit 130, wherein, trigger message is for indicating the storage position of data
Put.
CPU 11 judges whether to store data in built-in external equipment according to trigger message.If the user determine that will
Data are stored in built-in external equipment, then data are not processed by CPU 11, and the work that data are processed is given built-in
Data are i.e. carried out pretreatment by built-in external equipment 10, character stream are converted to byte stream by external equipment 10.
After character stream is converted into byte stream, owing to data relate to important or private content, then by built-in outside
Byte stream is encrypted by equipment 10 according to predetermined cryptographic algorithm, and is stored by the byte stream after encryption, by
Possessing storage function in built-in external equipment 10, therefore, it is internal that storage now is stored in built-in external equipment 10.
After CPU 11 judges whether to store data in built-in external equipment according to trigger message, if user is true
Surely store data in internal memory 12, then CPU 11 needs to process data, i.e. the work of the pretreatment of data by
CPU 11 self performs, so that character stream is converted to byte stream.
After character stream is converted into byte stream, owing to data are not related to important or private content, it is right therefore to need not
It is encrypted, CPU 11 be sent in internal memory 12 store by byte stream.When implementing, internal memory
Can include the storage medium of at least one type, storage medium includes flash memory, hard disk, multimedia card, card-type memorizer (example
Such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access memory (SRAM), read only memory
(ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, magnetic
Dish, CD etc..
The embodiment of the present invention, by the mobile terminal of above-mentioned offer, is different from soft encryption or the hardware encryption of traditional approach, and
To be separately provided a built-in external equipment data of need for confidentiality are stored, this built-in external equipment independent of
CPU exists, even if CPU is hacked, built-in external equipment is due to its independent feature, it may have higher security performance, energy
Enough data of protection all kinds of need for confidentiality of user are not stolen, and better user experience solves in prior art and either uses
, all there is bigger potential safety hazard, once CPU in soft encryption or the means of hardware encryption are encrypted protection to smart mobile phone
It is hacked, the problem that data are stolen will be caused.
Second embodiment of the invention provide a kind of device storing data, the device of these storage data can be one with mould
The chip of the integrated existence of massing form, it is also possible to be built-in in the terminal with circuit structure or other forms exist little
Type device, existence form can be the external equipment being arranged in mobile terminal with built-in manner, and it can remove or move.
The structural representation of the device of above-mentioned storage data is as it is shown in figure 5, include:
First processing module 20, for, in the case of determining and storing data in built-in external equipment, entering data
Row pretreatment, so that character stream is converted to byte stream, is encrypted byte stream further according to predetermined cryptographic algorithm；Storage mould
Block 21, couples with the first processing module 20, for storing the byte stream after encryption to built-in external equipment.
When specifically arranging, built-in external equipment can be arranged in the SD draw-in groove of mobile terminal, the most now due to SD card
The external equipment that is built of position take, mobile terminal now can not connect extra SD card again, and certainly, mobile terminal is permissible
The position of two or more similar SD draw-in groove is set, thus can individually distribute a position and set to deposit built-in outside
Standby.Being also equipped with in an embodiment due to built-in external equipment processing function, it is set up is the safety in order to increase mobile terminal
Property, therefore, although itself also possess storage function, but it is not recommended that use this built-in external equipment to store insignificant or
Non-close content, if only storing important content, therefore, its memory capacity can need not be large.During realizing, some are non-
Close or unessential content, can be separately provided a SD card and store.Therefore, individually set for built-in external equipment
Put what a position was also a need for.
During this embodiment realizes, the first processing module 20 is equivalent to the processor of built-in external equipment, its
Need to receive the signal of mobile terminal CPU, with in the case of determining and storing data in built-in external equipment, receive from
Data are carried out pretreatment by the data of mobile terminal CPU, so that character stream is converted to byte stream.Owing to data relate to important
Or private content, therefore, after character stream is converted into byte stream, further according to predetermined cryptographic algorithm, byte stream is encrypted place
Reason, this process can increase the safety of data further by soft encryption, it is achieved during, AES can be usual
The MD5 algorithm used.
Above-mentioned memory module 21 is also a part for built-in external equipment, and it is equivalent to memorizer, as built-in
The storage part of external equipment, the byte stream after encryption is stored by it.Need to call the number of encryption at mobile terminal
According to time, from memory module 21, obtain the data after encryption, then be decrypted process by the first processing module 20, and will deciphering
After data send to mobile terminal, for user.
Third embodiment of the invention provides a kind of device storing data, and this device can be any one mobile terminal,
In the present embodiment, can be IPad.The device of these storage data can include two parts, and a part is that mobile terminal is internal original
Part of devices, another part is built-in external equipment (part newly increased).
The structural representation of the device of above-mentioned storage data as shown in Figure 6, including:
Receiver module 30, for receiving the input data from input equipment, and receives the trigger message from user, its
In, trigger message is for indicating the storage position of input data；Judge module 31, for judging whether defeated according to trigger message
Enter data to be stored in built-in external equipment；First processing module 32, for determine by input data be stored in built-in
In the case of external equipment, input data are carried out pretreatment, so that character stream is converted to byte stream, calculate further according to predetermined encryption
Byte stream is encrypted by method；Memory module 33, sets to built-in outside for being stored by the byte stream after encryption
Standby.
In above-mentioned record, receiver module 30 and judge module 31 belong to and employ the internal original part device of mobile terminal
The function of part, the first processing module 32 and memory module 33 belong to the function employing the built-in external equipment newly increased.
Above-mentioned built-in external equipment can be one with the chip of the integrated existence of modular form, it is also possible to be built-in
The midget plant existed with circuit structure or other forms in the terminal, existence form can be to arrange with built-in manner
External equipment in mobile terminal, it can remove or move.
When specifically arranging, built-in external equipment can be arranged in the SD draw-in groove of mobile terminal, the most now due to SD card
The external equipment that is built of position take, mobile terminal now can not connect extra SD card again, and certainly, mobile terminal is permissible
The position of two or more similar SD draw-in groove is set, thus can individually distribute a position and set to deposit built-in outside
Standby.Being also equipped with in an embodiment due to built-in external equipment processing function, it is set up is the safety in order to increase mobile terminal
Property, therefore, although itself also possess storage function, but it is not recommended that use this built-in external equipment to store insignificant or
Non-close content, if only storing important content, therefore, its memory capacity can need not be large.During realizing, some are non-
Close or unessential content, can be separately provided a SD card and store.Therefore, individually set for built-in external equipment
Put what a position was also a need for.
During this embodiment realizes, receiver module 30 is equivalent to the user input part of mobile terminal, the most tactile
Touch screen.After the data receiving user, present a prompting message on the touchscreen, point out user to select current data and protect
There is which position, subsequently, then received the trigger message of user by touch screen, wherein, trigger message is used for indicating data
Storage position.
The function that judge module 31 performs is equivalent to processor part, judges whether to store data according to trigger message
In built-in external equipment.
First processing module 32 is equivalent to the processor of built-in external equipment, its letter needing to receive mobile terminal CPU
Number, with in the case of determining and storing data in built-in external equipment, receive the data from mobile terminal CPU, logarithm
According to carrying out pretreatment, so that character stream is converted to byte stream.Owing to data relate to important or private content, therefore, by word
After symbol circulation turns to byte stream, being encrypted byte stream further according to predetermined cryptographic algorithm, this process can be added by soft
The safety of close optional increase data, it is achieved during, AES can be normally used MD5 algorithm.
Above-mentioned memory module 33 is also a part for built-in external equipment, and it is equivalent to memorizer, as built-in
The storage part of external equipment, the byte stream after encryption is stored by it.Need to call the number of encryption at mobile terminal
According to time, from memory module, obtain the data after encryption, then be decrypted process by the first processing module 32, and will be after deciphering
Data send to mobile terminal, for user.
Fourth embodiment of the invention provides a kind of device storing data, and this device can be any one mobile terminal,
In the present embodiment, it can be smart mobile phone.The device of these storage data can include two parts, and a part is inside mobile terminal
Original part of devices, another part is built-in external equipment (part newly increased).
The structural representation of the device of above-mentioned storage data as it is shown in fig. 7, comprises:
Receiver module 40, for receiving the data from input equipment, and receives the trigger message from user, wherein,
Trigger message is for indicating the storage position of data；Judge module 41, for judging whether to store data according to trigger message
In built-in external equipment；Present module 42, for carrying from presenting on screen after the data of input equipment receiving
Showing that user selects the prompting message of a store path, wherein, store path includes: be stored in internal memory, or, deposit
Storage, in built-in external equipment, is additionally operable to store to described internal memory or described built-in outside at described byte stream set
For afterwards, present prompting message, to point out the storage position of data described in user；First processing module 43, for determine by
In the case of data are stored in built-in external equipment, data are carried out pretreatment, character stream to be converted to byte stream, then root
According to predetermined cryptographic algorithm, byte stream is encrypted；Memory module 44, for the byte stream after encryption stored to
Built-in external equipment；Second processing module 45, in the case of determining and storing data in internal memory, to data
Carry out pretreatment, character stream to be converted to byte stream, and byte stream is stored to internal memory.
In above-mentioned record, receiver module 40, judge module 41, present module the 42, second processing module 45 and belong to make
By the function of the internal original part of devices of mobile terminal, the first processing module 43 and memory module 44 belong to employ newly-increased
The function of the built-in external equipment added.
Above-mentioned built-in external equipment can be one with the chip of the integrated existence of modular form, it is also possible to be built-in
The midget plant existed with circuit structure or other forms in the terminal, existence form can be to arrange with built-in manner
External equipment in mobile terminal, it can remove or move.
When specifically arranging, built-in external equipment can be arranged in the SD draw-in groove of mobile terminal, the most now due to SD card
The external equipment that is built of position take, mobile terminal now can not connect extra SD card again, and certainly, mobile terminal is permissible
The position of two or more similar SD draw-in groove is set, thus can individually distribute a position and set to deposit built-in outside
Standby.Being also equipped with in an embodiment due to built-in external equipment processing function, it is set up is the safety in order to increase mobile terminal
Property, therefore, although itself also possess storage function, but it is not recommended that use this built-in external equipment to store insignificant or
Non-close content, if only storing important content, therefore, its memory capacity can need not be large.During realizing, some are non-
Close or unessential content, can be separately provided a SD card and store.Therefore, individually set for built-in external equipment
Put what a position was also a need for.
During this embodiment realizes, receiver module 40 is equivalent to the user input part of mobile terminal, the most tactile
Touch screen.If receiver module 40 is touch screen, then can present module 42 and also regard as a part for touch screen, present module 42
After receiving the data, screen presents prompting user and selects the prompting message of a store path, receiving user's
After data, present a prompting message on the touchscreen, point out user to select current data and be saved in which position, with
After, then the trigger message of user is received by touch screen, wherein, trigger message is for indicating the storage position of data.
The function that judge module 41 performs is equivalent to processor part, judges whether to store data according to trigger message
In built-in external equipment.
The function of the second processing module 45 also corresponds to processor part, stores data in internal memory determining
In the case of, data are carried out pretreatment, so that character stream is converted to byte stream, owing to data belong to insignificant content, therefore, incites somebody to action
Byte stream stores to internal memory.
First processing module 43 is equivalent to the processor of built-in external equipment, its letter needing to receive mobile terminal CPU
Number, with in the case of determining and storing data in built-in external equipment, receive the data from mobile terminal CPU, logarithm
According to carrying out pretreatment, so that character stream is converted to byte stream.Owing to data relate to important or private content, therefore, by word
After symbol circulation turns to byte stream, being encrypted byte stream further according to predetermined cryptographic algorithm, this process can be added by soft
The safety of close optional increase data, it is achieved during, AES can be normally used MD5 algorithm.
Above-mentioned memory module 44 is also a part for built-in external equipment, and it is equivalent to memorizer, as built-in
The storage part of external equipment, the byte stream after encryption is stored by it.Need to call the number of encryption at mobile terminal
According to time, from memory module, obtain the data after encryption, then be decrypted process by the first processing module, and will be after deciphering
Data send to mobile terminal, for user.
Fifth embodiment of the invention provides a kind of method storing data, and the method can be applied in any of the above-described embodiment
There is provided mobile terminal in, the flow process of the method as shown in Figure 8, including step S802 to S804:
S802, in the case of determining and storing data in built-in external equipment, by built-in external equipment logarithm
According to carrying out pretreatment, so that character stream is converted to byte stream；
S804, is encrypted byte stream according to predetermined cryptographic algorithm, and is carried out by the byte stream after encryption
Storage.
If the user determine that store data in built-in external equipment, then data are not carried out by the processor of mobile terminal
Processing, built-in external equipment is given in the work that data are processed, and it is interior that two processes of the above embodiment of the present invention are to increase
The external equipment put completes, in the case of determining and storing data in built-in external equipment, the most by built-in
External equipment carries out subsequent treatment to data, i.e. by built-in external equipment, data is carried out pretreatment, is circulated by character
It is changed to byte stream.
After character stream is converted into byte stream, owing to data relate to important or private content, then by built-in outside
Byte stream is encrypted by equipment according to predetermined cryptographic algorithm, and is stored by the byte stream after encryption, due to
Built-in external equipment possesses storage function, and therefore, storage now is stored in inside built-in external equipment.
Before data being carried out pretreatment by built-in external equipment, in addition it is also necessary to performed one by the processor of mobile terminal
A little judge processs, i.e. mobile terminal first receive the data from input equipment, subsequently, present prompting user and select one on screen
The prompting message of individual store path, wherein, store path includes: be stored in internal memory, or, be stored in built-in outside
In portion's equipment.
Receiving the trigger message from user, wherein, trigger message is for indicating the storage position of data, according to triggering letter
Breath judges whether to store data in built-in external equipment.
After processor judges whether to store data in built-in external equipment according to trigger message, if user is true
Surely store data in internal memory, then processor needs to process data, and i.e. the work of the pretreatment of data is by certainly
Body performs, and so that character stream is converted to byte stream, is then stored in internal memory by byte stream.
In order to improve Consumer's Experience further, described byte stream store to described internal memory or described built-in outside
After portion's equipment, it is also possible to present a prompting message, to point out the storage position of data described in user.User on screen
After seeing this prompting message, the impression of current data storage location can be deepened.If the user while after seeing this prompting message, recognize
Storage position for data is not oneself to want, it is also possible to change storage position after this prompting message.
Sixth embodiment of the invention provides a kind of method storing data, it is therefore an objective to will propose a kind of security means and ensure
The safety of mobile terminal, i.e. uses a built-in single peripheral hardware (being similar to the external equipment of built-in SD card) to preserve use
The private data at family, this is also the one of hardware encryption, and the advantage of this scheme is exactly, relative to existing solution security more
Height, compares with TrustZone, and it does not has so much data to transmit departing from the constraint of CPU, is the most just difficult to implanted various
Virus and wooden horse, thus have higher safety.
The mode of mobile phone logging data is to be attached by an I/O port of input equipment and CPU, and CPU is stored by computing
In the internal memory of mobile phone, the passage parallel connection between CPU and input equipment is gone out a passage even by being achieved in that of the present embodiment
Receive above built-in peripheral hardware, in built-in peripheral hardware, data are carried out computing and is then stored in the peripheral hardware that safety is built-in, by
In can not the data of all typings be all put in safe built-in peripheral hardware, so can cause depositing owing to substantial amounts of data pour in
Storage insufficient space, so the privacy of the simply user being stored in, the i.e. data of need for confidentiality, the most also should add one
The step that individual available subscribers selects, summary process, flow process such as Fig. 9 institute of the method for the storage data that the present embodiment provides
Show.
The equipment of input is usually keyboard, and the input of keyboard is usually the form of character stream, when this character stream stores
Before storage device, can be by playing frame to user one, the content playing frame is exactly to allow user choose whether safety to be stored in
Peripheral hardware in, this has related to the assignment problem of an I/O channel, this substantially input equipment connect two I/O channel,
When user selects to be deposited in peripheral hardware, input equipment may turn off with the I/O channel of CPU, and the character stream of data can only be from leading to
The IO of peripheral hardware is transmitted, when user selects to be deposited in the memorizer of mobile terminal data, input equipment and safety
The I/O channel that peripheral hardware connects may turn off, and the character stream of data then can only be transmitted from towards memorizer, passes through I/O channel
Afterwards, need, by this class of the OutputStreamWriter in java, character stream is converted into byte stream, and be written to deposit
In reservoir.
Internal algorithm we can use MD5 algorithm, the principle of MD5 algorithm is as follows:
1. fill
In MD5 algorithm, it is necessary first to information is filled with so that it is bit length to the result of 512 complementations equal to 448, and
And fill and must carry out, even if its bit length is equal to 448 to the result of 512 complementations.Therefore, the bit length (Bits Length) of information
To be scaled up to N*512+448, N is a nonnegative integer, and N can be zero.
The method filled is as follows:
1) after information, one 1 and numerous 0 is filled, until just stopping with 0 information when meeting condition above
Filling.
2) after this result additional one with message length (unit is as Bit) before the filling of 64 binary representations,
If message length is more than 64 before the filling of binary representation, then take low 64.
Through the process of this two step, the bit length=N*512+448+64=(N+1) * 512 of information, i.e. length is precisely 512
Integral multiple.Reason for this is that as meeting in later process the requirement to message length.
2. initializing variable
128 initial place values are preliminary examination link variable, and these parameters, for the computing of the first round, carry out table with big end syllable sequence
Showing, they are respectively as follows: A=0x01234567, B=0x89ABCDEF, C=0xFEDCBA98, D=0x76543210.
(numerical value that each variable is given is that high byte is stored in internal memory low address, and low byte is stored in internal memory high address, the most greatly
End syllable sequence.Variables A, the value of B, C, D are respectively 0x67452301,0xEFCDAB89,0x98BADCFE in a program,
0x10325476)
3. process grouped data
The algorithm flow of each packet is as follows:
First packet needs to copy in four additional variable above four link variables: A to a, B to b, C to c, D arrive
d.The operation result of a packet, i.e. A=a, B=b, C=c, D=d from the variable of the second packet beginning is.
Major cycle has four-wheel (MD4 only has three-wheel), and often wheel circulation is the most much like.The first round carries out 16 operations.Behaviour every time
Make wherein the nonlinear function computing of three works in a, b, c and d, then by acquired results plus the 4th variable, literary composition
This subgroup and a constant.Acquired results ring to the left is moved an indefinite number again, and plus in a, b, c or d it
One.Finally replace one of a, b, c or d by this result.
4. output
Last output is the cascade of a, b, c and d.
The advantage of above-mentioned this algorithm is exactly that safety is high, but encryption efficiency is low, due to what we needed encryption is
A small amount of private data, therefore this algorithm and do not affect efficiency, have again higher safety.
The advantage of each embodiment of the present invention is just directed to promote the development of safety intelligent terminal, has both made our mobile phone
Can be brought us colourful life as intelligent machine, the safety of our data can be ensured again as function machine
Property, Consumer's Experience is higher.
It should be noted that in this article, term " includes ", " comprising " or its any other variant are intended to non-row
Comprising of his property, so that include that the process of a series of key element, method, article or device not only include those key elements, and
And also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or device
Key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including this
The process of key element, method, article or device there is also other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive above-described embodiment side
Method can add the mode of required general hardware platform by software and realize, naturally it is also possible to by hardware, but a lot of in the case of
The former is more preferably embodiment.Based on such understanding, prior art is done by technical scheme the most in other words
The part going out contribution can embody with the form of software product, and this computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, take
Business device, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. the device storing data, it is characterised in that described device includes:
First processing module, for, in the case of determining and storing data in built-in external equipment, carrying out described data
Pretreatment, so that character stream is converted to byte stream, is encrypted described byte stream according to predetermined cryptographic algorithm；
Memory module, for storing the byte stream after encryption to described built-in external equipment.
2. device as claimed in claim 1, it is characterised in that also include:
Receiver module, for receiving the described data from input equipment, and receives the trigger message from user, wherein, and institute
State trigger message for indicating the storage position of described data；
Judge module, for judging whether to store the data in described built-in external equipment according to described trigger message
In.
3. device as claimed in claim 2, it is characterised in that also include:
Present module, for receiving before the trigger message of user, screen presents prompting user and selects one to deposit
The prompting message in storage path, wherein, described store path includes: be stored in internal memory, or, it is stored in described built-in
External equipment in.
4. device as claimed in claim 3, it is characterised in that also include:
Second processing module, for, in the case of determining and storing the data in internal memory, carrying out described data
Pretreatment, so that character stream to be converted to byte stream, and stores described byte stream to described internal memory.
5. the device as described in claim 3 or 4, it is characterised in that
Described present module, be additionally operable to described byte stream store to described internal memory or described built-in external equipment it
After, present prompting message, to point out the storage position of data described in user.
6. the method storing data, it is characterised in that described method includes:
In the case of determining and storing data in built-in external equipment, by described built-in external equipment to described data
Carry out pretreatment, so that character stream is converted to byte stream；
According to predetermined cryptographic algorithm, described byte stream is encrypted, and the byte stream after encryption is stored.
7. method as claimed in claim 6, it is characterised in that described data are carried out pre-by described built-in external equipment
Before process, also include:
Receive the described data from input equipment；
Receiving the trigger message from user, wherein, described trigger message is for indicating the storage position of described data；
Judge whether to store the data in described built-in external equipment according to described trigger message.
8. method as claimed in claim 7, it is characterised in that received before the trigger message of user, also include:
Presenting prompting user on screen and select the prompting message of a store path, wherein, described store path includes: storage
In internal memory, or, it is stored in described built-in external equipment.
9. method as claimed in claim 8, it is characterised in that
In the case of determining and storing data in internal memory, by central processing unit, described data are carried out pretreatment,
Character stream to be converted to byte stream, and described byte stream is stored.
10. as claimed in claim 8 or 9 method, it is characterised in that store to described internal memory at described byte stream or
After described built-in external equipment, also include:
Present prompting message, to point out the storage position of data described in user.
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|---|---|---|---|
| CN201610460444.2A CN106203182A (en) | 2016-06-23 | 2016-06-23 | The device and method of storage data |
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|---|---|---|---|
| CN201610460444.2A CN106203182A (en) | 2016-06-23 | 2016-06-23 | The device and method of storage data |
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