CN103823767B - Encrypted mobile hard disk drive case with portable power source - Google Patents
Encrypted mobile hard disk drive case with portable power source Download PDFInfo
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- CN103823767B CN103823767B CN201310754967.4A CN201310754967A CN103823767B CN 103823767 B CN103823767 B CN 103823767B CN 201310754967 A CN201310754967 A CN 201310754967A CN 103823767 B CN103823767 B CN 103823767B
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- hard disk
- rechargeable battery
- power supply
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Abstract
The invention discloses an encrypted mobile hard disk drive case with a portable power source. The encrypted mobile hard disk drive case comprises a data interface, an internal hard disk drive, a button detection circuit, a main control circuit, a user password recognition and control circuit, a charging interface, a discharging interface, a power source management circuit and a rechargeable battery. The data interface is connected with an external main device; the internal hard disk drive is provided with a hard disk drive interface; the button detection circuit is used for acquiring button information; the main control circuit is connected with the data interface and the hard disk drive interface; the user password recognition and control circuit is connected with the button detection circuit and the main control circuit; the power source management circuit is connected with the charging interface and the discharging interface, and is connected with the internal hard disk drive, the main control circuit and the user password recognition and control circuit so as to power the same; the rechargeable battery is connected with the power source management circuit. The encrypted mobile hard disk drive case can be powered by itself and can supply power for the external device, and thus function diversity is realized and security in data storage is improved.
Description
【Technical field】
The present invention relates to storage device field, particularly to a kind of encryption mobile hard disc box of Tape movement power supply.
【Background technology】
The extensive application maked rapid progress with internet, the popularization of all kinds of number consumption electronic products and mobile concept exist
The continuous development of the every field such as leisure from business office to personal entertainment, the storage demand of personal information, especially to movement
The speed of the demand growth of storage becomes more and more faster.In the last few years, in mobile storage market, portable hard drive with its with respect to
Disc storing(As CDRWDVDRW etc.)Higher access speed, simpler access procedure and with respect to flash memory storage(I.e. U
Disk)Bigger capacity, the advantage such as lower price, increasingly favored by ordinary consumer and commercial user, the market space
Also increasing.
While movable storage device brings portability benefit, also increase people to Information Security, equipment
The requirement of the aspects such as privacy, power down protection performance.Traditional portable hard drive is in the side such as Information Security and power down protection performance
There is the bottleneck being difficult to overcome always in face.Either adopt built-in machines hard disk or solid state hard disc as storage device, when going out
Now suddenly in the case of power down, traditional portable hard drive all can have that disk is impaired, loss of data, file system are destroyed etc. damage several
Rate, will lead to whole disk to be scrapped when serious.Therefore basically, all of problem all can be attributed to safety issue, and chases after
The portable hard drive asking safer, more practical is the trend of social development.
Mobile hard disc box product in the market, can facilitate user flexibility configuration hard disk;Shifting with encryption function simultaneously
Dynamic hard-disk cartridge product also has larger improvement in terms of data encryption and equipment privacy, but in data safeties such as power down protections
The root problem of property aspect is resolved not yet;The hard disk species voluntarily configuring additionally, due to user is a lot, for power consumption is big, peak
The big hard disk of value operating current brings pressure data read-write hidden danger inevitably to the power supply of hard-disk cartridge.
Still further aspect, increasingly diversified for digital product function, using more frequent, the pass with our daily lifes
Connection is also increasingly closer, how to improve the use time of digital product and electronic product, the life being convenient for people to, supplements in time
Power supply, the importance playing its maximum work are just more very urgent.Portable power source in the market belongs to self product,
Function is more single, fails to play its effectiveness in terms of power down protection, uninterrupted power supply.
Therefore, it is necessary to propose a kind of improved technical scheme to overcome the problems referred to above.
【Content of the invention】
It is an object of the invention to provide a kind of encryption mobile hard disc box of Tape movement power supply, it not only can supply for itself
Electricity, can also power to external equipment it is achieved that the variation of function, improve the security of data storage.
To achieve these goals, the invention discloses a kind of encryption mobile hard disc box of Tape movement power supply function, it wraps
Include:The data-interface being connected with outside main equipment;There is the built-in hard disk of hard-disk interface;Obtain the button detection electricity of key information
Road;Connect the governor circuit of data-interface and hard-disk interface;It is connected with described key press detecting circuit and described governor circuit
User cipher identification and control circuit;Charging inlet and electric discharge interface;It is connected with described charging inlet and described electric discharge interface
Electric power management circuit, it is also connected with the identification of described built-in hard disk, governor circuit and user cipher and control circuit and thinks them
Power supply is provided;The rechargeable battery being connected with electric power management circuit.
Further, described governor circuit includes the first controller being connected with described data-interface, connects with described hard disk
Second controller and the first microcontroller being responsible for the data conversion between two kinds of controllers that mouth connects.
Further, described governor circuit also includes encryption/decryption module, and described first microcontroller to be used by oneself receiving
Described encryption/decryption module is allowed to run on the first controller and the second control during the unlocking signal of family password identification and control circuit
Between device, after the data from the first controller is encrypted, it is sent to second controller, by the number from second controller
According to being sent to the first controller after being decrypted.
Further, the identification of described user cipher and control circuit include memory cell and the second microcontroller, described deposit
Storage unit internal memory contains code data, and described microcontroller obtains the key information from key press detecting circuit, and by itself and institute
The code data stated in memory cell is mated, if both match, to the first microcontroller of described governor circuit
Send unlocking signal.
Further, the identification of described user cipher and control circuit include for show released state and with described the
The released state indicating member that two microcontrollers connect.
Further, described rechargeable battery via described electric power management circuit be described built-in hard disk, governor circuit and
User cipher identification and control circuit provide power supply, and described rechargeable battery connects for described electric discharge via described electric power management circuit
Mouth provides power supply;Described charging inlet is that described rechargeable battery charges via described electric power management circuit.
Further, described data-interface is USB interface, and this USB interface is also connected with described electric power management circuit, in institute
When stating USB interface and being connected with outside main equipment, described USB interface is to be described rechargeable battery via described electric power management circuit
Charge or be described built-in hard disk, governor circuit and user cipher identification and control circuit provide power supply.
Further, described electric power management circuit includes power path management circuit, booster circuit and management of charging and discharging electricity
Road, described power path management circuit and described USB interface, charging inlet, described built-in hard disk, governor circuit, user cipher
Identification is connected with booster circuit with control circuit, management of charging and discharging circuit, described management of charging and discharging circuit and described chargeable electricity
Pond is connected, and described booster circuit is connected with described electric discharge interface, and described rechargeable battery is through management of charging and discharging circuit and described
Power path management circuit is described built-in hard disk, governor circuit, user cipher identification and control circuit provide power supply, described can
Rechargeable battery is that described electric discharge interface carries through management of charging and discharging circuit, described power path management circuit and described booster circuit
Power supply source, described USB interface and/or described charging inlet are by described power path management circuit and described management of charging and discharging electricity
Road is that described rechargeable battery charges, and described USB interface is described built-in hard disk, master control by described power path management circuit
Circuit, user cipher identification and control circuit provide power supply.
Further, when outside main equipment accesses USB interface and obtains power supply from this outside main equipment, power source path pipe
Reason circuit, in the case of meeting to system power supply, charges to rechargeable battery simultaneously, when system's work-load is heavier, power supply
Path management circuit, by the automatic charging reducing and even stopping to rechargeable battery, under system work event of overload, can fill
Battery can feed to system together with outside main equipment.
Further, encryption mobile hard disc box original state is locking state, and before to built-in disk read-write, user needs
Input password is unlocked operation;In non-released state, user can not read to built-in hard disk on outside main equipment
Write, after unblock success, built-in hard disk could be written and read operating on outside main equipment.
Compared with prior art, the present invention passes through to arrange electric power management circuit and rechargeable battery, not only can be so
Its own power supply, can also power to external equipment, that is, achieve the variation of function, also improve the safety of data storage
Property.In addition pass through to arrange user cipher identification and control circuit and encryption/decryption module, such that it is able to described built-in hard to writing
Data in disk is encrypted, and the data reading described built-in hard disk is decrypted, further increases the peace of data storage
Quan Xing.
【Brief description】
The present invention is further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the encryption mobile hard disc box structured flowchart in one embodiment of the Tape movement power supply in the present invention;
Fig. 2 is the governor circuit design principle figure in one embodiment in the encryption mobile hard disc box in Fig. 1;
Fig. 3 is that the user cipher in the encryption mobile hard disc box in Fig. 1 identifies with control circuit in one embodiment
Design principle figure;
Fig. 4 is the key press detecting circuit design principle figure in one embodiment in the encryption mobile hard disc box in Fig. 1;
Fig. 5 is the electric power management circuit design principle figure in one embodiment in the encryption mobile hard disc box in Fig. 1.
Specific embodiment
The present invention will be further described with example below in conjunction with the accompanying drawings.
This time illustrated accompanying drawing is used to provide a further understanding of the present invention, constitutes the part of the present invention, this
Invention schematic example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.
Fig. 1 is the encryption mobile hard disc box structured flowchart in one embodiment of the Tape movement power supply in the present invention.As
Shown in Fig. 1, described encryption mobile hard disc box, data-interface 21 that it includes being connected with outside main equipment 7, there is hard-disk interface
Built-in hard disk 2, obtain key information key press detecting circuit 4, connect data-interface 21 and hard-disk interface governor circuit 1,
The user cipher identification that is connected with described key press detecting circuit 4 and described governor circuit 1 and control circuit 3, charging inlet 22, put
Electrical interface 23, the electric power management circuit 5 being connected with described charging inlet 22 and described electric discharge interface 23, and electric with power management
The rechargeable battery 6 that road 5 is connected.Described electric power management circuit 5 is also known with described built-in hard disk 2, governor circuit 1 and user cipher
It is not connected with control circuit 3 to provide power supply for them.
Described governor circuit 1 includes the first controller being connected with described data-interface 21, is connected with described hard-disk interface
Second controller and be responsible for two kinds of controllers between data conversion the first microcontroller.In one embodiment, institute
Stating data-interface 21 is USB3.0(Universal Serial Bus3.0, USB 3.0)Interface, described first control
Device processed is USB controller, and described outside main equipment is USB main equipment, and described governor circuit 1 adopts USB3.0 agreement and outside master
Device talk, described hard-disk interface is SATA (Serial Advanced Technology Attachment, the senior skill of serial
Art annex, a kind of connection hardware driver interface based on professional standard) interface, second controller is SATA interface, described master
Control circuit 1 adopts SATA protocol to communicate with built-in hard disk, and described first microprocessor is responsible for conversion and the bridge joint of communications protocol.Institute
State governor circuit 1 and also include encryption/decryption module, described first microcontroller is receiving from user cipher identification and controlling electricity
Described encryption/decryption module is allowed to run between the first controller and second controller during the unlocking signal on road 3, will be from first
The data of controller is sent to second controller after being encrypted, and is sent to after the data from second controller is decrypted
First controller.
Described user cipher identification and control circuit 3 include what the second microcontroller was connected with described second microcontroller
The released state indicating member that memory cell is connected with described second microcontroller.Described memory cell contains password number
According to, described second microcontroller obtains the key information from key press detecting circuit 4, and by described key information and described storage
Code data in unit is mated, if both match, sends solution to the first microcontroller of described governor circuit 1
Lock signal, if both mismatch, does not send unlocking signal to the first microcontroller of described governor circuit 1.Have at one
In the embodiment of body, described memory cell is EEPROM (Electrically Erasable Programmable Read-
Only Memory, abbreviation EEPROM).Described released state indicating member is used for the released state of described mobile hard disc box, such as
Can be LED, such as green color is released state, remaining is non-released state.Described second microcontroller can also lead to
Cross electric power management circuit 5 described in control line traffic control to decide whether to start the portable power source function of described mobile hard disc box.Opening
Move described mobile hard disc box portable power source function when, described rechargeable battery 6 be allowed through described electric power management circuit 5 with
And electric discharge interface 23 supplying power for outside.
Described key press detecting circuit 4 can be capacitance touch button chip, and it is with I2C or serial communication mode with described
User cipher identification and control circuit 3 connect, and it is responsible for the detection of button and identification, and key information is passed through I2C or string
Row communication modes feed back to user cipher identification and control circuit 3.
Described rechargeable battery 6 is that described built-in hard disk 2, governor circuit 1 and user are close via described electric power management circuit 5
Code identification and control circuit 3 provide power supply.When described electric discharge interface 23 accesses external portable equipment 9, described chargeable electricity
Pond 6 provides power supply via described electric power management circuit 5 for described electric discharge interface 23, and then supplies to described external portable equipment 9
Electricity.External power adapter 8 can access described charging inlet 22, and via described charging inlet 22 and described power management electricity
Road 5 carries out quick charge for described rechargeable battery 6.Described data-interface 21 be USB interface when, this USB interface also with institute
State electric power management circuit 5 to connect, when described USB interface is connected with outside main equipment 7, described USB interface is via described electricity
Power management circuits 5 charge for described rechargeable battery 6 or for described built-in hard disk 2, governor circuit 1 and user cipher identification and control
Circuit 3 processed provides power supply.
Described electric power management circuit includes power path management circuit, booster circuit and management of charging and discharging circuit.Described electricity
Source path management circuit and described USB interface 21, charging inlet 22, described built-in hard disk 2, governor circuit 1, user cipher identification
It is connected with booster circuit with control circuit 3, management of charging and discharging circuit.Described management of charging and discharging circuit and described rechargeable battery 6
It is connected, described booster circuit is connected with described electric discharge interface 23, and described rechargeable battery 6 is through management of charging and discharging circuit and described
Power path management circuit is described built-in hard disk 2, the identification of governor circuit 1, user cipher and control circuit 3 provide power supply, institute
Stating rechargeable battery 6 through management of charging and discharging circuit, described power path management circuit and described booster circuit is to put with described
The external portable equipment 9 that electrical interface connects charges, and described USB interface 21 and/or described charging inlet 22 pass through described power supply road
Footpath management circuit and described management of charging and discharging circuit charge for described rechargeable battery 6, and described USB interface 21 can pass through described
Power path management circuit is described built-in hard disk 2, the identification of governor circuit 1, user cipher and control circuit 3 provide power supply.
So, the encryption mobile hard disc box of described Tape movement power supply acts not only as safe hard-disk cartridge use, acceptable
To use as portable power source, and its built-in rechargeable battery is also powered for built-in hard-disk cartridge, thus avoiding suddenly
Power-off and the problems such as the disk that leads to is impaired, loss of data, file system are destroyed.Additionally, described mobile hard disc box also has plus solution
Close function is it is ensured that the security of data in hard disk.
Encryption/decryption module in main control chip circuit 1 is responsible for data high-speed encryption and decryption computing, can be AES (Advanced
Encryption Standard, AES) encryption/decryption element, RSA/SM2 coprocessor, Zu Chongzhi algorithm encryption/decryption element etc.;Main
Control chip circuit 1 and user cipher identification and control circuit 3 between using SPI (Serial Peripheral interface,
Serial Peripheral Interface) communication, and the read-write to hard disk is authorized by the latter.Built-in hard disk (2) carries SATA hard disc interface
Mechanical hard disk or solid state hard disc.The outside main equipment 7 of USB can be the main equipment with USB communication interface such as PC, IPAD.
Described electric power management circuit 5 can be responsible for the management of charging and discharging to rechargeable battery 6 and the power supply of system feed
Path management.When accessing and obtain power supply from the outside main equipment 7 of USB, power path management circuit is meeting to system feed
(The i.e. power supply to the identification of built-in hard disk 2, governor circuit 1 and user cipher and control circuit 3)In the case of, simultaneously to chargeable
Battery 6 charges;When system's work-load is heavier, power path management circuit 5 will automatically reduce or even stop to chargeable electricity
The charging in pond 6;Under event of overload, rechargeable battery 6 can feed to system, thus being formed together with main equipment 7 outside with USB
Power down protection mechanism to system uninterrupted power supply.
Hard-disk cartridge has two to rechargeable battery(6)Charging inlet(USB interface 21 and special charging inlet 22),
External USB main equipment 7 and external power adapter 8 are charged to described rechargeable battery 6 by corresponding charging inlet, its
Middle external power adapter 8 can provide larger charging current, to realize the quick charge to rechargeable battery 6.Power management
Circuit(5)Possess the detection to charging port supplied character and identification function, compatible USB2.0, USB3.0, BC1.2, YD/
T1591-2009 etc..Rechargeable battery 6, in addition to can be to internal system power supply, also can set to external portable as portable power source
Standby 9 are charged.Externally electric discharge interface compatibility BC1.2, YD/T1591-2009 and divider mode etc..
The course of work of the mobile hard disc box of the present invention is as follows.Hard-disk cartridge original state be lock (or claim do not unlock shape
State), before to built-in hard disk 2 read-write, user needs input password to be unlocked operation;In non-released state, user will not
On the outside main equipment 7 of USB, built-in hard disk 2 can be written and read, and only can only see drive.When hard-disk cartridge accesses outside USB
After main equipment 7, user inputs password first and is unlocked operation, could hard disk is written and read grasping on the outside main equipment 7 of USB
Make;User first can also input password on hard-disk cartridge and be unlocked operation, then again hard-disk cartridge is accessed the outside main equipment of USB
7.
Releasing process:The key information of user is passed to user cipher identification and controls electricity by key press detecting circuit 4 first
Road 3;User cipher identification and control circuit 3 extract the password of user input from described key information, and by itself and former presence
Memory cell (EEPROM)User password information contrasted, if both are consistent or match operated into then it represents that unlocking
Work(;Meanwhile, user cipher identification and control circuit 3 will unlock successful feedback of the information to governor circuit 1, and pass through released state
Indicating circuit, points out user's built-in hard disk 2 to be in released state, whole releasing process terminates.
Hard disc data read-write and encryption process:After hard-disk cartridge accesses USB outside main equipment 7, governor circuit 1 is complete first
Become initialization and configure, then wait the unlocking information of user cipher identification and control circuit 3;After receiving unlocking information, main
Control circuit 1 then allows the read-write operation to built-in hard disk 2;During read-write operation, carry out the encryption and decryption of data simultaneously, above-mentioned
Encryption process system is automatically performed, and interferes without user.
Battery charging and discharging and power source path management process:After hard-disk cartridge accesses the outside main equipment 7 of USB and obtains power supply,
Electric power management circuit 5 is by automatic distribution and management to the feed of system and the charging to rechargeable battery 6;When system work is negative
When lotus is heavier, electric power management circuit 5 reduces the even charging to battery 6 for the stopping by automatic;Under event of overload, battery 6 can
Together with main equipment 7 outside with USB, system is fed.
When mobile hard disc box is charged to USB external portable equipment 9 as portable power source, electric power management circuit 5 is first
First the voltage of rechargeable battery 6 is boosted by booster circuit(Such as it is raised to 5V), then outside portable equipment 9 is carried out
Charge.
The detailed description of the present invention is mainly illustrated by an example of the present invention." example " referred to herein,
Refer to the special characteristic related to the example of the present invention, specific function, circuit structure and electrical characteristic, including at least in the present invention
In at least one implementation.In this manual different places occur " in hard-disk cartridge example " not all refer to one this
Bright example.Additionally, represent each device order of the design principle figure of one or more examples and on-fixed refer to any specific
Sequentially, also do not limit the invention.
Fig. 2, Fig. 3, Fig. 4, Fig. 5 are the design principle figures of hard-disk cartridge example of the present invention.
As shown in Fig. 2 in an example of hard-disk cartridge of the present invention, governor circuit 1 is mainly by GL3321G and SPI
Flash is constituted;The USB3.0 that GENESYS company of GN3221 system releases turns the bridge joint main control chip of SATA III (6Gb/s), interior band
AES encryption unit;GN3221 compatibility USB3.0, USB2.0, compatible SATA I, SATA II, SATA III agreement in terms of SATA
Specification;Built-in 8051 microcontrollers;There is the communication interfaces such as SPI, UART;The firmware code of GL3321G is stored in the SPI of outside
Flash.In hard-disk cartridge example of the present invention, built-in hard disk(2)For the mechanical hard disk with SATA interface or solid state hard disc;
As shown in figure 3, in an example of hard-disk cartridge of the present invention, user cipher identification and control circuit 3 include
PIC16F1829, key prompting voice circuit and state instruction circuit for lamp are constituted;Microchip company of PIC16F1829 system pushes away
The 8 low-power consumption RISC single-chip microcomputers going out, interior band can 4K byte flash code area, 256 bytes SRAM and 256 bytes EEPROM;
Article 49, single clock cycle instruction, dominant frequency is up to 32MHz etc..State instruction circuit for lamp includes:Unlock and indicate that green light, instruction of locking are red
Lamp, USB relay indicating light, battery electric quantity indicator lamp etc..Key prompting voice circuit is mainly by single-stage audio driven pipe and buzzer
Composition.
As shown in figure 4, in an example of hard-disk cartridge of the present invention, key press detecting circuit 4 is main to be pressed by JG616L, touch
Key matrix circuit and status indicator lamp etc. are constituted.JG616L is 16 key electric capacity of the strong antijamming capability that Lattice company releases
Touch key-press chip, has superpower waterproof, anti-tampering, anti-key-press from false action ability;Operating voltage 2.4V 5.5V, static work
Make electric current and be less than 10 microamperes;Touch sensitivity is high and adjustable;There is the characteristics such as I2C communication interface.Touch key-press matrix includes
Ten key, and the function key such as " solving locking key ", " acknowledgement key ", " portable power source key ".
As shown in figure 5, in hard-disk cartridge example of the present invention, electric power management circuit 5 main by BQ24195L, TPS2543,
TPS61259 etc. is constituted.Highly integrated switched-mode battery Charge Management and system power supply that wherein TI company of BQ24195L system releases
Path management device, have 2.5A high efficiency switch-mode charger, the synchronous pressure-boosting converter in 1A battery booster pattern,
The management of NVDC power source path and the protection feature such as overvoltage, excessively stream, thermal conditioning and Thermal shutdown;Battery charging mode according to user is compatible
USB2.0, USB3.0 and BC1.2.The bringing onto load that TI company of TPS2543 system releases detects the USB charging port controller of function
Chip, meets the charging specifications such as BC1.2, YD/T1591-2009, frequency dividing pattern, has the power supply of current limliting and short-circuit protection simultaneously
Switching function.The efficient DC-DC boost chip that TI company of TPS61259 system releases;When running frequency is 3.5MHz, efficiency
May be up to 93%;There is low quiescent current, light load P FM pattern, output accuracy +/- 2%, real load disconnection, Thermal shutdown and mistake
Carry the characteristics such as protection.
As shown in figure 5, in the example of hard-disk cartridge of the present invention, rechargeable battery 6 is the polymer lithium electricity of 3.7V/5000mAH
Pond is constituted.
In hard-disk cartridge example of the present invention, external USB main equipment 7 is PC or notebook computer etc..External power source
Adapter 8 is 5V/1.5A USB charger.External portable equipment(9)Can be the equipment such as mobile phone, digital camera, panel computer.
The button operation of hard-disk cartridge example of the present invention illustrates:
1)Initial user password
Initial password before product export is 112233.Formally use in user front, need to change password setting, to protect
The data safety of portable hard drive.
2)Unblock
Before using portable hard drive every time, operation must be unlocked, operating procedure is as follows:
■ clicks first<Solving locking key>(Traffic lights flash);
Then ■ inputs password by digital keys, clicks<Acknowledgement key>Unblock(After operation success, green light is glittering);
After ■ unblock, in 30 seconds, portable hard drive need to be accessed computer and use;Otherwise can automatically cancel this unblock behaviour
Make(Automatic locking).
3)Lock
Operation of locking is automatically performed.After self-locking, such as it is continuing with hard disk, then need to unlock again.Self-locking situation has
Several situations as follows:
After ■ unblock, portable hard drive did not accessed computer in 30 seconds, and this disk then can be automatic locking.
■ works as the connection that user disconnects portable hard drive and computer, and this disk can be immediately automatically into locking state.
, during using, when computer entrance resting state, portable hard drive also can be automatically into locking state for ■.
4)User cipher is changed
Amendment step is as follows:(Need to extract hard disk from user's pc port, the off-line operation by battery power supply mode)
Length is pressed first<Solving locking key>More than 3 seconds, unclamp(Traffic lights continue bright);
Input the new password wanting to set up for the first time(Password is the shortest 6, the longest 15), and press<Acknowledgement key>Confirm(Red
Green light flashes);
Second input new password, and press<Acknowledgement key>Confirm and end operation.(Green light flashes, and represents that password is arranged to
Work(, unlocks simultaneously;If traffic lights replace flashing, the failure of user's Modify password)
5)During password 10 mistakes of continuous input, portable hard drive can crack protection mechanism automatically into anti-
The data of ■ storage will be wiped free of, and set password will revert to the original password that dispatches from the factory(112233);
Before ■ reuses, user needs with the original password that dispatches from the factory(Or the user cipher resetting)It is unlocked, and
Portable hard drive is formatted.
6)Reset liquidation function
When user forgets Password, can the use of this function password recovery be to dispatch from the factory original password, but simultaneously by whole disk
Data understands, concrete operation step is as follows:
■ first, pins simultaneously<Solving locking key>Unclamp after at least 3 seconds;(Traffic lights flash simultaneously)
Then ■, inputs " 110 ", presses<Acknowledgement key>Confirm;(Traffic lights are simultaneously bright)
■ portable hard drive will start reset function:Remove all hard disc datas, become to dispatch from the factory by password recovery original close simultaneously
Code.
Before ■ reuses, user needs with the original password that dispatches from the factory(Or the user cipher resetting)It is unlocked, and
Portable hard drive is formatted.
The specific workflow of hard-disk cartridge example of the present invention is:
After hard-disk cartridge accesses USB outside main equipment 7, user inputs password first and is unlocked operation, could be in USB master
On equipment 7, hard disk is written and read operating;User first can also input password on hard-disk cartridge and be unlocked operation, then will again
Hard-disk cartridge accesses the outside main equipment 7 of USB.
Releasing process:By touching capacitance matrix, key press detecting circuit JG616L(4)Detect the button operation letter of user
Breath, and I2C communication modes, pass to the PIC16F1829 in user cipher identification and control circuit 3;PIC16F1829 is from pressing
Extract the password of user input in key operation information, and itself and the former user password information that there is EEPROM are contrasted, such as
Both fruits are consistent and operate successfully then it represents that unlocking;Meanwhile, PIC16F1829 will unlock successful feedback of the information and turn to USB3.0
The GL3321G governor circuit 1 of the bridge joint data encryption and decryption of SATA, and control unblock green indicating lamp length bright, point out user hard
Disk(2)It is in released state, whole releasing process terminates.
Hard disc data read-write and encryption process:
After hard-disk cartridge accesses USB outside main equipment 7, USB3.0 turns the GL3321G of the bridge joint data encryption and decryption of SATA
Governor circuit 1 completes to initialize and configure first, then waits user cipher identification and control circuit PIC16F1829(3)Solution
Lock information;After receiving unlocking information, main control chip circuit GL3321G(1)Then allow to hard disk(2)Read-write operation;Reading
During write operation, carry out the encryption and decryption of data, above-mentioned encryption process system is automatically performed simultaneously, interfere without user.
Battery charging and discharging and power source path management process:
After hard-disk cartridge accesses the outside main equipment 7 of USB and obtains power supply, the BQ24195L in electric power management circuit 5 will be from
Dynamic distribution and management are to the feed of system and the Charge Management to rechargeable battery 6;When system's work-load is heavier,
BQ24195L reduces the even charging to battery 6 for the stopping by automatic;Under event of overload, battery 6 can be with external USB main equipment
7 feed to system together.The system feed voltage of BQ24195L is then risen to 5V by TPS61259, then to internal circuit system
Feed.
BQ24195L when being charged to external USB portable equipment 9 as portable power source, in electric power management circuit 5
First the voltage of rechargeable battery 6 is raised to 5V, then by TPS2543, outside portable equipment 9 is charged.TPS2543
It is responsible for being charged identification and the confirmation of device pattern with external USB portable equipment 9.
Above the present invention has been carried out with the description with certain particularity detailed enough.The ordinary skill people of art
Member should be appreciated that.Description in present example is merely exemplary.USB3.0 of the present invention turns the bridge joint sum of SATA
It is not limited to this kind of main control chip in hard-disk cartridge example mentioned above, Ke Yishi according to the main control chip circuit structure of encryption and decryption
The bridge joint main control chip of the similar function of other models;User cipher identification of the present invention and control circuit circuit structure do not limit
This kind of singlechip chip in hard-disk cartridge example mentioned above, can be the singlechip chip of other models;The present invention
Described capacitance touch type key press detecting circuit structure is not limited to this kind of chip in hard-disk cartridge example mentioned above, Ke Yishi
The capacitance touch button chip of other models;Management of charging and discharging of the present invention and power path management circuit structure are also not necessarily limited to
Charge Management in hard-disk cartridge example mentioned above and power source path managing chip, can be the similar functions of other models
Chip;The all changes made on the premise of without departing from true spirit and scope of the present invention all should belong to the guarantor of the present invention
Shield scope.The scope of protection of present invention is to be defined by described claims, rather than by mentioned earlier
The description of hard-disk cartridge example is limiting.
Claims (5)
1. a kind of encryption mobile hard disc box of Tape movement power supply function it is characterised in that:It includes:
The data-interface being connected with outside main equipment;
There is the built-in hard disk of hard-disk interface;
Obtain the key press detecting circuit of key information;
Connect the governor circuit of data-interface and hard-disk interface;
The user cipher identification being connected with described key press detecting circuit and described governor circuit and control circuit;
Charging inlet and electric discharge interface;
The electric power management circuit being connected with described data-interface, described charging inlet and described electric discharge interface, it is also interior with described
Put hard disk, governor circuit is connected with control circuit with user cipher identification to provide power supply for them;
The rechargeable battery being connected with electric power management circuit,
Described governor circuit includes the first controller being connected with described data-interface, the second control being connected with described hard-disk interface
Device processed and the first microcontroller being responsible for the data conversion between two kinds of controllers,
Described governor circuit also includes encryption/decryption module, and described first microcontroller is receiving from user cipher identification and controlling
Described encryption/decryption module is allowed to run between the first controller and second controller during the unlocking signal of circuit processed, will be from
The data of one controller is sent to second controller after being encrypted, and sends after the data from second controller is decrypted
To the first controller,
Described user cipher identification and control circuit include memory cell and the second microcontroller, and described memory cell contains
Code data, described second microcontroller obtains the key information from key press detecting circuit, and by it with described memory cell
Interior code data is mated, if both match, sends unblock letter to the first microcontroller of described governor circuit
Number,
Described data-interface is USB interface, and this USB interface is also connected with described electric power management circuit, in described USB interface with outward
When portion main equipment connects, described USB interface be via described electric power management circuit be described rechargeable battery charge, described built-in
Hard disk, governor circuit and user cipher identification and control circuit provide power supply,
Described electric power management circuit includes power path management circuit, booster circuit and management of charging and discharging circuit,
Described power path management circuit and described USB interface, charging inlet, described built-in hard disk, governor circuit, user cipher
Identification is connected with booster circuit with control circuit, management of charging and discharging circuit,
Described management of charging and discharging circuit is connected with described rechargeable battery,
Described booster circuit is connected with described electric discharge interface,
Described rechargeable battery is described built-in hard disk, master control through management of charging and discharging circuit and described power path management circuit
Circuit, user cipher identification and control circuit provide power supply,
Described rechargeable battery is described through management of charging and discharging circuit, described power path management circuit and described booster circuit
Electric discharge interface provides power supply,
Described USB interface and/or described charging inlet are by described power path management circuit and described management of charging and discharging circuit
Charge for described rechargeable battery,
Described USB interface by described power path management circuit be described built-in hard disk, governor circuit, user cipher identification and
Control circuit provides power supply.
2. encryption mobile hard disc box as claimed in claim 1 it is characterised in that:Described user cipher identification and control circuit bag
Include for released state indicating member that is showing released state and being connected with described second microcontroller.
3. as claimed in claim 1 encryption mobile hard disc box it is characterised in that:Described rechargeable battery is via described power supply pipe
Reason circuit is the identification of described built-in hard disk, governor circuit and user cipher and control circuit provides power supply,
Described rechargeable battery provides power supply via described electric power management circuit for described electric discharge interface;
Described charging inlet is that described rechargeable battery charges via described electric power management circuit.
4. as claimed in claim 1 encryption mobile hard disc box it is characterised in that:When outside main equipment access USB interface and from
When this outside main equipment obtains power supply, power path management circuit in the case of meeting to system power supply, simultaneously to chargeable
Battery charges, and when system's work-load is heavier, power path management circuit will automatically reduce or even stop to rechargeable battery
Charging, system work event of overload under, rechargeable battery can together with outside main equipment to system feed.
5. as claimed in claim 1 encryption mobile hard disc box it is characterised in that:Encryption mobile hard disc box original state is to lock
State, before to built-in disk read-write, user needs input password to be unlocked operation;In non-released state, user will not
On outside main equipment, built-in hard disk can be written and read, after unblock success, on outside main equipment, built-in hard disk could be entered
Row read-write operation.
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CN201310754967.4A CN103823767B (en) | 2013-12-31 | 2013-12-31 | Encrypted mobile hard disk drive case with portable power source |
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CN103823767B true CN103823767B (en) | 2017-02-08 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US10110572B2 (en) | 2015-01-21 | 2018-10-23 | Oracle International Corporation | Tape drive encryption in the data path |
CN108846291A (en) * | 2018-08-27 | 2018-11-20 | 深圳豪杰创新电子有限公司 | A kind of hardware encipherment protection data security devices |
CN109271813A (en) * | 2018-10-26 | 2019-01-25 | 杭州华澜微电子股份有限公司 | A kind of safety storage apparatus, mobile memory system and method for secure storing |
CN115425708A (en) * | 2022-09-01 | 2022-12-02 | 广州佳翼信息科技有限公司 | Mobile hard disk with built-in rechargeable battery |
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Address after: Hangzhou City, Zhejiang province 311200 Xiaoshan District Road No. 66 Building No. 1 building 22 layer Huarui Center Applicant after: SAGE MICROELECTRONICS CORP. Address before: Hangzhou City, Zhejiang province 311200 Xiaoshan District Road No. 66 Building No. 1 building 22 layer Huarui Center Applicant before: Hangzhou Sage Microelectronics Technology Co., Ltd. |
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