阅读说明：本技术 一种加密u盘及u盘分区方法 (A kind of encrypted U disk and USB flash disk partition method ) 是由 肖斌 于 2019-09-24 设计创作，主要内容包括：本发明实施例提供一种加密U盘及U盘分区方法。其中,该加密U盘包括：存储器管理模块,用于在接收到用户的验证信息时,打开与验证信息相对应的硬盘存储区域；其中,硬盘存储区域,由存储器管理模块在设定计算机的硬盘上创建。本发明实施例提供的加密U盘及U盘分区方法,通过存储器管理模块在指纹验证通过后,打开与指纹对应的验证信息相对应的存储区域,用户的私人文件在计算机上的操作在该存储区域中进行,其他情况下该存储区域均处于隐藏状态,能保护用户的隐私、提高安全性。(The embodiment of the present invention provides a kind of encrypted U disk and USB flash disk partition method.Wherein, which includes: memory management module, for opening hard disk memory region corresponding with verification information in the verification information for receiving user；Wherein, hard disk memory region is created on the hard disk of setting computer by memory management module.Encrypted U disk and USB flash disk partition method provided in an embodiment of the present invention; through memory management module after fingerprint authentication passes through; the corresponding storage region of opening verification information corresponding with fingerprint; the operation of the documentum privatum of user on computers carries out in the storage region; storage region is in hidden state in the case of other, can protect the privacy of user, improve safety.)

1. a kind of encrypted U disk characterized by comprising

Memory management module, it is corresponding with the verification information hard for opening in the verification information for receiving user Disk storage region；

Wherein, hard disk memory region is created on the hard disk of setting computer by the memory management module.

2. encrypted U disk according to claim 1, which is characterized in that the memory management module is also used to:

When having created the setting computer of hard disk memory region in encrypted U disk connection, judgement is connect with the encrypted U disk Computer identification information and pre-recorded identification information it is whether consistent；

If so, opening hard disk memory region corresponding with the verification information.

3. encrypted U disk according to claim 1, which is characterized in that further include memory, the memory includes public deposits Store up subregion and several private partition holdings；

The memory management module is also used in the verification information for receiving user, is opened opposite with the verification information The private partition holding answered.

4. encrypted U disk according to claim 3, which is characterized in that it further include USB main control chip, the USB main control chip It is encrypted for the data to the setting regions that the memory is written, to the number of the setting regions of the memory of reading According to being decrypted；

And/or the USB main control chip is used to encrypt the data that the hard disk memory region is written, to the institute of reading The data for stating hard disk memory region are decrypted.

5. encrypted U disk according to claim 1-4, which is characterized in that the memory management module is also used to Adjust the size of each private partition holding.

6. encrypted U disk according to claim 3, which is characterized in that further include fingerprint sensor and fingerprint chip；

The fingerprint chip, the fingerprint for acquiring to the fingerprint sensor are verified, when being verified described in output The corresponding verification information of fingerprint；

The fingerprint chip is for typing and saves multiple fingerprints；

Multiple fingerprints match the access right of at least two ranks respectively, and private partition holdings different from memory creation are opposite It answers.

7. a kind of USB flash disk partition method characterized by comprising

Hard disk memory region is created on setting computer by memory management module；

The storage area management module is opened corresponding with the verification information when receiving the verification information of setting user Hard disk memory region.

8. USB flash disk partition method according to claim 7, which is characterized in that by memory management module in setup algorithm On machine after creation hard disk memory region, further includes:

Back up the identification information of the setting computer；

USB flash disk connects the setting computer, and memory management module receives the verification information of setting user, display and setting user Corresponding hard disk memory region, and assign the corresponding access right of setting user.

9. USB flash disk partition method according to claim 7 or 8, which is characterized in that the memory management module receives setting After the verification information of user, further includes:

Corresponding access right is opened in hard disk memory region corresponding with the verification information and/or private partition holding；

Wherein, the private partition holding creates on a memory.

10. according to any USB flash disk partition method of claim 7-9, which is characterized in that further include:

Fingerprint chip receives the fingerprint of fingerprint sensor acquisition, the verification information of output setting user；

Memory management module receives the verification information, saves the verification information with the setting user of access right.

Technical field

The present invention relates to field of information security technology, more particularly, to a kind of encrypted U disk and USB flash disk partition method.

Background technique

With the continuous development of computer technology, the demand of data storage is continuously increased, and user is for reliable low cost The demand of storage solution is also being continuously increased, and especially in terms of flexibility, performance, data backup and information sharing, is made Mobile data memory unit is obtained to be increasingly enhanced in the effect of the various aspects such as data backup, archive and exchange.It is the following personal property, a People's information and the safety of electronic bits of data will be increasingly valued by the people, reproducible in the information security and information of mobile storage Property become technical problem urgently to be resolved.

The cipher mode of flash memory device at present is broadly divided into software cryptography and hardware encryption.Hardware encryption refers to logical The control chip encryption inside USB flash disk is crossed, can be realized real-time encrypted, entire ciphering process is completed inside USB flash disk, entirely encrypts U The advantages of disc black box, the method is security level height, but a disadvantage is that special hardware enciphering and deciphering chip is needed to be encrypted, Encryption/decryption speed will reach 25MB/S or more, and hardware cost is more slightly higher than soft encryption.Hardware encryption mode be divided into encrypting fingerprint and Key encrypts two kinds, and the security level of encrypting fingerprint is high, and enciphering/deciphering speed is fast.

But there is also certain problems in use for the USB flash disk of encrypting fingerprint, for example the documentum privatum on USB flash disk is in individual When calculating hands- operation, encryption, transfer and storage, it can not accomplish the safety as on encrypted U disk.

Summary of the invention

The embodiment of the present invention provides a kind of encrypted U disk and USB flash disk partition method, existing to solve or at least be partially solved There is the insufficient defect of technical security.

In a first aspect, the embodiment of the present invention provides a kind of encrypted U disk, comprising: memory management module, for receiving When the verification information of user, hard disk memory region corresponding with the verification information is opened；

Wherein, hard disk memory region is created on the hard disk of setting computer by the memory management module.

Preferably, the memory management module is also used to:

When having created the setting computer of hard disk memory region in encrypted U disk connection, judgement and the encrypted U disk Whether the identification information of the computer of connection is consistent with pre-recorded identification information；

If so, opening hard disk memory region corresponding with the verification information.

Preferably, the memory includes common storage subregion and several private partition holdings.

The memory management module is also used in the verification information for receiving user, is opened and the verification information Corresponding individual's partition holding.

It preferably, further include USB main control chip, the USB main control chip is used for the setting area that the memory is written The data in domain are encrypted, and the data of the setting regions of the memory of reading are decrypted；

And/or the USB main control chip is used to encrypt the data that the hard disk memory region is written, to reading The data of the hard disk memory region be decrypted.

Encrypted U disk encrypted U disk

Preferably, the memory management module is also used to adjust the size of each private partition holding.

It preferably, further include fingerprint sensor and fingerprint chip；

The fingerprint chip, the fingerprint for acquiring to the fingerprint sensor are verified, the output when being verified The corresponding verification information of the fingerprint；

The fingerprint chip is for typing and saves multiple fingerprints；

Multiple fingerprints match the access right of at least two ranks respectively, corresponding with the different subregions of memory creation.

Second aspect, the embodiment of the present invention provide a kind of USB flash disk partition method, comprising:

Hard disk memory region is created on setting computer by memory management module；

The storage area management module is opened opposite with the verification information when receiving the verification information of setting user The hard disk memory region answered.

Preferably, it is described hard disk memory region is created on setting computer by memory management module after, also wrap It includes:

Back up the identification information of the setting computer；

USB flash disk connects the setting computer, and memory management module receives the verification information of setting user, display and setting The corresponding hard disk memory region of user, and assign the corresponding access right of setting user.Preferably, the memory management module After the verification information for receiving setting user, further includes:

The corresponding right to use is opened in hard disk memory region corresponding with the verification information and/or private partition holding Limit；

Wherein, the private partition holding creates on a memory.

Preferably, further includes:

Fingerprint chip receives the fingerprint of fingerprint sensor acquisition, the corresponding verification information of output setting user；

Memory management module receives the verification information, saves the verification information with the setting user of access right.

Encrypted U disk and USB flash disk partition method provided in an embodiment of the present invention is logical in fingerprint authentication by memory management module Later, the corresponding storage region of opening verification information corresponding with fingerprint, the operation of the documentum privatum of user on computers It is carried out in the storage region, storage region is in hidden state in the case of other, can protect the privacy of user, improve peace Quan Xing.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the structural schematic diagram according to encrypted U disk provided in an embodiment of the present invention；

Fig. 2 is the structural schematic diagram according to encrypted U disk provided in an embodiment of the present invention；

Fig. 3 is the flow diagram according to USB flash disk partition method provided in an embodiment of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

In order to overcome the above problem of the prior art, the embodiment of the present invention provides a kind of encrypted U disk and USB flash disk partition method, Its design is, by way of carrying out fingerprint authentication on USB flash disk, the meter connecting with USB flash disk is just opened in the case where being verified Storage region on the hard disk of calculation machine, the documentum privatum on the USB flash disk are operated, encrypted, shifted and stored at this on computers It is carried out in storage region, and in the case where verifying unsanctioned situation, which is hiding, to improve safety.

Fig. 1 is the structural schematic diagram according to encrypted U disk provided in an embodiment of the present invention；As shown in Figure 1, the encrypted U disk packet It includes: memory 103, memory management module 104, usb 1 05 and USB main control chip 106.

Memory management module 104 is connect with memory 103；Usb 1 05 is connect with USB main control chip 106；USB master Control chip 106 is connect with memory management module 104.

Memory management module 106, for opening corresponding with verification information in the verification information for receiving user Hard disk memory region.

Wherein, hard disk memory region is created on the hard disk of setting computer by memory management module 106.It can manage Solution, after USB flash disk is inserted into computer by usb 1 05, the data transmission between the USB flash disk and the computer is to pass through USB What interface 105 was realized.

It should be noted that the verification information of the user can be generated when any user uses the encrypted U disk for the first time.

The verification information of the user for verifying the identity of the user, such as can be the living things feature recognitions such as fingerprint letter The password informations such as breath, password.

Memory management module 104, for opening corresponding with verification information in the verification information for receiving user Hard disk memory region.

It should be noted that can be recorded by the sensor etc. that itself includes when any user uses the encrypted U disk for the first time Entering the verification information of the user, memory management module 104 receives the verification information of the user, and starts disk partition program, Hard disk memory region corresponding with the verification information of the user is created on the hard disk of the computer connected with encrypted U disk.It should The corresponding hard disk memory region of the verification information of user, the i.e. hard disk memory region of the user-specific.The hard disk memory region After being created, the encrypted U disk is only inserted into the computer again in the user, and by verifying after, just in display interface Middle appearance, otherwise the hard disk memory region is in true hidden state, will not occur in display interface.

Preferably, the computer connected when encrypted U disk uses for the first time is setting computer.Further, there is setting power The user of limit can set multiple computers as setting computer.

Specifically, after encrypted U disk insertion computer, if memory management module 104 receives the verifying of the user After information, start disk partition program, pop-up option " whether in the private partition holding of this computer foundation ".

After selecting "Yes", option " newly-built " and option " opening existing private partition holding " can further occur；

If user is to use the encrypted U disk on that computer for the first time, select " to create ", then the disk partition program exists With creation hard disk memory region corresponding with the verification information of the user on the hard disk of the computer of encrypted U disk connection；

If user is non-for the first time on that computer using the encrypted U disk, select " to open existing private storage point Area ", then the disk partition program opens hard disk memory region corresponding with the verification information of the user.

The computer of the computer being connect with encrypted U disk, the i.e. encrypted U disk insertion.

If there is the storage region created, memory management module on the hard disk for the computer that encrypted U disk is inserted into Search for each hard disk memory region being created on the hard disk, and by the identification information of each hard disk memory region respectively with this The verification information of user matches；

If matching, illustrates that the hard disk memory region is the corresponding hard disk memory region of verification information of the user, open The hard disk memory region；If mismatching, illustrate there is the corresponding hard disk memory region of the verification information of other users on the hard disk, But hard disk memory region corresponding with the verification information of the user is not present.

It should be noted that user is when creating storage region, the corresponding verification information of same user is constant, thus even if The encrypted U disk is lost, another encrypted U disk also typing corresponding verification information of the user, so that it may pass through above-mentioned another encryption U Disk fingerprint authentication by when open setting computer on the corresponding hard disk memory region of the corresponding verification information of the user, continue Use the hard disk memory region.It is thereby achieved that USB flash disk is lost, user data will not be lost, and same user passes through multiple U Disk can share a hard disk memory region.

It should be noted that needing to copy to the data on the hard disk of former computer encryption U when user replaces computer On disk, then according to operating procedure creates hard disk memory region on the hard disk of new setting computer for the first time before, then it will count According in the storage region on the hard disk for copying to new setting computer.

After opening the hard disk memory region, the documentum privatum of the user on the encrypted U disk operates on computers, adds Close, transfer and storage etc., can carry out in the hard disk memory region.

It should be noted that disk partition program can use existing code, code is stored in memory management mould In the sub-module stored of block 104.The sub-module stored be read-only storage region, with guarantee the disk partition program be not wiped free of, It can normally be called.

The embodiment of the present invention after fingerprint authentication passes through, opens verifying letter corresponding with fingerprint by memory management module The corresponding hard disk memory region of manner of breathing, the documentum privatum of user calculate hands- operation and carry out in the hard disk memory region, other In the case of the hard disk memory region be in hidden state, can protect user privacy, improve safety.

Content based on the various embodiments described above, the memory management module are also used to: when the encrypted U disk connection on When creating the setting computer of hard disk memory region, judges the identification information for the computer connecting with the encrypted U disk and remember in advance Whether the identification information of record is consistent；If so, opening hard disk memory region corresponding with the verification information.

Specifically, when opening the corresponding hard disk memory region of verification information corresponding to the user, memory management module The identification information of the identification information of computer that first judgement is connect with encrypted U disk and pre-recorded setting computer whether one It causes, that is, judges whether the computer is setting computer, whether there is on the hard disk for the computer that encrypted U disk is inserted into and has created Hard disk memory region.

It should be noted that user for the first time on setting computer use the encrypted U disk when, memory management module 106 The identification information of the pre-recorded setting computer of meeting.The identification information of setting computer, it is corresponding with the user.

The identification information of computer, for identification identity of computer.

Identification information can be MAC Address.

Specifically, since computer has unique MAC Address, thus knowledge of the MAC Address as computer can be used Other information, for judging whether the computer that the encrypted U disk is currently inserted into is the calculating for having created storage region on its hard disk Machine.

By using MAC Address as identification information, can effectively judge whether the computer that encrypted U disk is currently inserted into is to have existed The computer of storage region is created on its hard disk, is created storage region repeatedly to be avoided that, is caused computer disk storage empty Between waste.

Identification information is consistent, illustrates that the computer that the encrypted U disk is inserted at present is exactly setting computer, memory management mould Block 106 opens hard disk memory region corresponding with the verification information of the user in the verification information for receiving user.

Identification information is inconsistent, illustrates that the computer that the encrypted U disk is inserted at present is not setting computer, due to the calculating On machine be not present hard disk memory region corresponding with the verification information of the user, then can prompt user using the computer as Another setting computer, carries out the creation of hard disk memory region.

The embodiment of the present invention verifies the identification information of computer, the hard disk memory region of user by memory management module Only show and use in encrypted U disk insertion setting computer Shi Caineng, the privacy of user can be protected, improve safety.

Content based on the various embodiments described above, memory include common storage subregion and several private partition holdings.

Specifically, common storage area can be created on a memory.After the encrypted U disk is inserted into computer, without The verification result of fingerprint authentication step or fingerprint authentication step is only to show common storage subregion on computer when not passing through. Correspondingly, user can only carry out read/write operation to common storage subregion.

Several private partition holdings can also be created in addition to common storage area, on memory.

Each individual's partition holding, creates when new user uses the encrypted U disk for the first time.Using for the first time in the new user should , can be on a memory in the region in addition to common storage subregion when encrypted U disk, creation belongs to the private storage of the new user Subregion.Belong to the private partition holding of the new user, it is corresponding with the verification information of the new user.

Memory management module is also used in the verification information for receiving user, is opened corresponding with verification information Private partition holding.

After the encrypted U disk is inserted into computer, the verification result of verification step be by when, memory management module connects After the verification information for receiving the user, memory management module opens private storage point corresponding with the verification information of the user There is individual's partition holding on display interface in area, and otherwise individual's partition holding is in true hidden state, will not be aobvious Show in interface and occurs.

The embodiment of the present invention passes through memory management by creating private partition holding corresponding with the fingerprint of different user Module opens the corresponding individual's partition holding of corresponding with fingerprint verification information after fingerprint authentication passes through, in the case of other The individual memory block is in hidden state, can further protect the privacy of user, improve safety.

Content based on the various embodiments described above, encrypted U disk further include USB main control chip 106.USB main control chip 106 is used for The data of the setting regions of write-in memory are encrypted, the data of the setting regions of the memory of reading are decrypted；

And/or the data of write-in hard disk memory region are encrypted, the data of the hard disk memory region of reading are carried out Decryption.

Specifically, setting regions is region some or all of on preset memory.

When setting regions is written in data on computer, setting regions is not write direct, and first by USB main control chip The data of 106 pairs of setting regions to be written encrypt, and setting regions is written in encrypted data by memory management module 104 In saved so that the data saved in setting regions are ciphertext data.

When computer reads data from setting regions, data first are read from setting regions by memory management module 104, by It is ciphertext data in the data of setting regions storage, after the data read by 106 Duis of USB main control chip are decrypted, then passes through Usb 1 05 is exported to computer.

It writes data into before hard disk memory region stored, USB main control chip 106 can be first passed through to be written Data are encrypted；Before reading data from hard disk memory region, USB main control chip 106 can be first passed through to the number being read out According to being decrypted.

The embodiment of the present invention by USB main control chip to write-in USB flash disk setting regions and/or hard disk memory region data into The encryption of row hardware, is decrypted the data for reading USB flash disk setting regions and/or hard disk memory region, can improve on USB flash disk storage and The safety of the data of hard disk memory region and the normal use for not influencing data.

Content based on the various embodiments described above, memory management module are also used to adjust the size of each private partition holding.

Specifically, after creation, the size of individual's partition holding can pass through memory to any private partition holding Management module is adjusted.

The embodiment of the present invention can be more convenient the use of user by adjusting the size of private partition holding.

Fig. 2 is the structural schematic diagram according to encrypted U disk provided in an embodiment of the present invention.Based in the various embodiments described above Hold, as shown in Fig. 2, encrypted U disk further includes fingerprint sensor 101 and fingerprint chip 102.

Fingerprint chip 102, the fingerprint for acquiring to fingerprint sensor 101 are verified, export and refer to when being verified The corresponding verification information of line.

Fingerprint sensor 101 is connect with fingerprint chip 102；Fingerprint chip 102 is connect with memory management module 104.

The fingerprint of the acquisition of fingerprint sensor 101 user.

It should be noted that fingerprint chip 102 has embedded finger print identifying algorithm, thus fingerprint sensor 101 can be adopted The fingerprint of the user of collection is verified.

It should be noted that fingerprint sensor 101 and fingerprint can be passed through when any user uses the encrypted U disk for the first time The fingerprint of the 102 typing user of chip, carries out fingerprint authentication when for using the encrypted U disk after the user.The typing user Fingerprint after, the corresponding verification information of the fingerprint can be generated.

Fingerprint chip 102 passes through the fingerprint for acquiring the fingerprint sensor 101, is compared and tests with the fingerprint of typing Card.

If verification result is not pass through, fingerprint chip 102 does not export any information；If verification result is to pass through, refer to Line chip 102 exports the corresponding verification information of the fingerprint.

The corresponding verification information of the fingerprint of user, for the verification information of the user.

Fingerprint chip 102 is also used to typing and saves multiple fingerprints, and multiple fingerprints match at least two ranks respectively Access right, it is corresponding with the different subregions of memory creation.

Specifically, when any user uses the encrypted U disk for the first time, it can acquire the user's by fingerprint sensor 101 Fingerprint, and there is fingerprint chip 102 to be saved.

The access right of different stage can be set for user.Access right, at least there are two types of ranks.

For example, administrator right and normal user permission can be divided into.Administrator right is the use of first typing fingerprint The access right at family, other users are the access right of ordinary user.

Fingerprint chip can save multiple fingerprints.The access right of a certain rank can distribute subsequent typing fingerprint not high In the access right of the different stage of the access right of the rank, postorder fingerprint typing and deletion are managed.

Access right can also be corresponding with the different subregions that memory creates, so that different user is on same subregion Permission is different.

The subregion of memory creation, including private partition holding and hard disk memory region.

User with access right can also be by memory management module 104 by several above-mentioned private partition holdings It is divided into different types of subregion.

It, can be in above-mentioned different types of subregion when its memory space is consistently greater than the file size of its storage Carry out the variation of size and increasing or decreasing for subregion quantity of subregion.

User with access right can also distribute the access right in different subregions for the fingerprint of subsequent typing.

The embodiment of the present invention passes through the typing of fingerprint chip and saves multiple fingerprints, and multiple fingerprints match at least two respectively The access right of rank is able to achieve multi-user using same USB flash disk but does not interfere with each other, and can protect the privacy of user, improve safety.

Content based on the various embodiments described above, fingerprint chip, memory, memory management module and USB main control chip quilt It is integrated on a pcb board.

Preferably, can on same pcb board integrated fingerprint chip 102, memory 103,104 and of memory management module USB main control chip 106.

The embodiment of the present invention is by being integrated in one for fingerprint chip, memory, memory management module and USB main control chip On pcb board, the stability of encrypted U disk can be improved.

Content based on the various embodiments described above, memory are Nand flash.

Specifically, memory is read-write region, and data can be both read from memory, can also write data into storage Device.

Preferably, memory can use Nand flash.

Nandflash memory is one kind of flash memory, internal to use non-linear macroelement mode, is solid-state The realization of large capacity memory provides cheap effective solution scheme.Nandflash memory has capacity larger, rewrites speed The advantages that fast, suitable for the storage of mass data, thus is in the industry cycle more and more widely used.

The embodiment of the present invention as memory, is able to achieve the quick of massive store and data by using Nand flash Read-write.

Fig. 3 is the flow diagram according to USB flash disk partition method provided in an embodiment of the present invention.Based on the various embodiments described above Content, a kind of USB flash disk partition method include: step S301, create hard disk on setting computer by memory management module and deposit Storage area domain.

It should be noted that USB flash disk partition method provided in an embodiment of the present invention is based on any of the above-described encrypted U disk embodiment institute The encrypted U disk of offer is realized.Therefore, the description and definition in the encrypted U disk in foregoing embodiments, can be used for the present invention The understanding of embodiment.

The encrypted U disk includes: memory management module.

Specifically, when any user uses the encrypted U disk for the first time, the verification information of the user can be generated.

The verification information of the user for verifying the identity of the user, such as can be the living things feature recognitions such as fingerprint letter The password informations such as breath, password.

It, can testing by typings users such as sensors that itself has when any user uses the encrypted U disk for the first time Information is demonstrate,proved, memory management module 104 receives the verification information of the user, and starts disk partition program, connects with encrypted U disk Hard disk memory region corresponding with the verification information of the user is created on the hard disk of the computer connect.The verification information of the user Corresponding hard disk memory region, the i.e. hard disk memory region of the user-specific.After the hard disk memory region is created, only The encrypted U disk is inserted into the computer again in the user, and by verifying after, just occur in display interface, otherwise this is hard Disk storage region is in true hidden state, will not occur in display interface.

The computer connected when encrypted U disk uses for the first time is setting computer.Step S302, storage area management module exists When receiving the verification information of setting user, hard disk memory region corresponding with verification information is opened.

Specifically, user by the encrypted U disk again insertable into setting computer after, memory pipe which includes The verification information that module receives user is managed, disk partition program is started, creation and the user on the hard disk of the setting computer The corresponding hard disk memory region of verification information.After the hard disk memory region is created, only again should in the user Encrypted U disk is inserted into the setting computer, and by just occurring in display interface, opening the verifying of the user after fingerprint authentication The corresponding hard disk memory region of information, otherwise the hard disk memory region is in true hidden state, will not be in display interface Middle appearance.

The embodiment of the present invention after fingerprint typing, creates verification information phase corresponding with fingerprint by memory management module Corresponding hard disk memory region, the documentum privatum of user calculate hands- operation and carry out in the storage region, should in the case of other Storage region is in hidden state, can protect the privacy of user, improve safety.

Content based on the various embodiments described above creates hard-disc storage area by memory management module on setting computer After domain, further includes: back up the identification information of setting computer.

Specifically, after the identification information for obtaining setting computer, identification of the memory management module to setting computer Information is backed up.

USB flash disk connects setting computer, and memory management module receives the verification information of setting user, and display is used with setting The corresponding hard-disc storage subregion of the verification information at family, and assign the corresponding access right of setting user.

Specifically, after the corresponding hard disk memory region of creation verification information corresponding with fingerprint, which again will The encrypted U disk is inserted into the setting computer, and memory management module receives the verification information of the user, and opening is tested with the user's Demonstrate,prove the corresponding hard disk memory region of information.

Specifically, after memory management module receives the verification information of the user, start disk partition program, due to this It has been created before the corresponding hard disk memory region of the verification information of user, therefore, disk partition program is opened the hard disk and deposited Storage area domain, the hard disk memory region occur in display interface.

The encrypted U disk is inserted into after computer, if opening after memory management module receives the verification information of the user Movable magnetic disc partition programs, pop-up option " whether in the private partition holding of this computer foundation ".

After selecting "Yes", option " newly-built " and option " opening existing private partition holding " can further occur；

If user is to use the encrypted U disk on that computer for the first time, select " to create ", then the disk partition program exists With creation hard disk memory region corresponding with the verification information of the user on the hard disk of the computer of encrypted U disk connection；

If user is non-for the first time on that computer using the encrypted U disk, select " to open existing private storage point Area ", then the disk partition program opens hard disk memory region corresponding with the verification information of the user.

After opening the hard disk memory region, the documentum privatum of the user on the encrypted U disk is grasped on setting computer Make, encrypt, shift and store etc., it can be carried out in the hard disk memory region.

After opening hard-disc storage subregion, memory management module can also impart to setting user to the hard-disc storage point The corresponding access right in region.User is set, refers to the creation subregional user of the hard-disc storage.

It should be noted that disk partition program can use existing code, code is stored in memory management mould In the sub-module stored of block.The sub-module stored is read-only storage region, with guarantee the disk partition program be not wiped free of, can be with It is normal called.

It should be noted that memory management module receives the user after encrypted U disk is inserted into setting computer Verification information after, memory management module opens corresponding with the verification information of user hard disk memory region, shows Occurs the hard disk memory region on interface, otherwise the hard disk memory region is in true hidden state, will not be in display interface Middle appearance.

The embodiment of the present invention after fingerprint authentication passes through, opens verifying letter corresponding with fingerprint by memory management module The corresponding hard disk memory region of manner of breathing, user can grasp its documentum privatum in hard disk memory region on setting computer Make, hard disk memory region is in hidden state in the case of other, can protect the privacy of user, improve safety.

Content based on the various embodiments described above is also wrapped after memory management module receives the verification information of setting user It includes: opening corresponding access right in hard disk memory region corresponding with verification information and/or private partition holding；Wherein, Private partition holding creates on a memory.

It is understood that encrypted U disk further includes memory.

Memory includes the common storage subregion and several private partition holdings of creation.

It is when not passing through, to calculate without subscriber authentication or verification result after the encrypted U disk is inserted into computer Common storage subregion is only shown on machine.Correspondingly, user can only carry out the operation such as read/write/deletion to common storage subregion.

Several private partition holdings can also be created in addition to common storage subregion, on memory.

Each individual's partition holding, creates when new user uses the encrypted U disk for the first time.Using for the first time in the new user should When encrypted U disk, after the verification information of the typing new user, region that can on a memory in addition to common storage subregion In, creation belongs to the private partition holding of the new user.The private partition holding for belonging to the new user, the fingerprint with the new user Corresponding verification information is corresponding.

Specifically, during using the encrypted U disk for the first time on setting computer, memory management module receives setting and uses After the verification information at family, memory management module can also be in hard-disc storage corresponding with the verification information of setting user Region and/or private partition holding open corresponding access right, so that the hard disk memory region and individual's partition holding are only It can be opened by the user with above-mentioned corresponding access right, the user without corresponding access right can not open.

The embodiment of the present invention in the corresponding hard disk memory region of verification information corresponding with fingerprint and/or individual by depositing Storage subregion opens corresponding access right, and the only user with corresponding access right is enabled to open above-mentioned hard-disc storage area Domain and above-mentioned private partition holding, can protect the privacy of user, improve safety.

Based on the various embodiments described above, the USB flash disk partition method further include: fingerprint chip receives the finger of fingerprint sensor acquisition Line, the verification information of output setting user；Memory management module receives verification information, and saving, there is the setting of access right to use The verification information at family.

It should be noted that the encrypted U disk further includes fingerprint chip and fingerprint sensor.

Fingerprint sensor acquires the fingerprint of the user.

The fingerprint that fingerprint chip acquires fingerprint sensor is verified, and the corresponding verifying of fingerprint is exported when being verified Information.

The corresponding verification information of the fingerprint of user, for the verification information of the user.

Memory management module receives verification information, saves the verification information with the setting user of access right, so as to The identity of user is verified when using the encrypted U disk later.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features； And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.