CN207541651U - Encrypted u disk - Google Patents
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- CN207541651U CN207541651U CN201721116265.3U CN201721116265U CN207541651U CN 207541651 U CN207541651 U CN 207541651U CN 201721116265 U CN201721116265 U CN 201721116265U CN 207541651 U CN207541651 U CN 207541651U
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- control chip
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Abstract
The utility model discloses a kind of encrypted U disk, including encryption main control chip, NAND Flash modules, USB interface and external structure for encapsulating above-mentioned module；NAND Flash modules are connected with the Flash DMA Engine ECC modules in encryption main control chip, the transimission and storage of data is encrypted, USB interface is connected with encryption main control chip, the encryption main control chip, NAND Flash modules and USB interface overall package are in external structure, the USB interface interface as the external structure simultaneously.Storage can be encrypted to the data being stored in USB flash disk using the utility model, so as to protect data safety.
Description
Technical field
The utility model is specifically related to a kind of encrypted U disk, is related to data safety technical field of memory.
Background technology
In today that information technology is widely used and popular, data information is obviously used as a kind of critical asset,
Concerning personal and national life and the every field of production, equally, the requirement to the storage security of data information is also more next
It is higher.
The characteristics of USB flash disk is due to its portability, removable compatibility, already as hardware device indispensable in study and work
One of.However, common USB flash disk does not have file encryption function generally, once losing, the capsule information of USB flash disk memory storage then may be used
It can be leaked to the third party.On the other hand, USB flash disk has the characteristics that plug and play, also easily because of the virus infection of distinct device
Problem causes the data in USB flash disk to be read leakage.Therefore, not encrypted USB flash disk data so that its people or business data letter
There is great security risks for breath.
Utility model content
In view of the deficiencies of the prior art, the main purpose of the utility model is that：A kind of encrypted U disk is provided, to realize
Storage is encrypted to the data in USB flash disk.
The utility model embodiment discloses a kind of encrypted U disk, specifically includes：
Main control chip is encrypted, for storing encryption/decryption of data；
NAND Flash modules, for storing encrypted data；
USB interface, for communicating between encrypted U disk and host side；
Wherein, the encryption main control chip includes integrally disposed RISC CPU on the encryption main control chip, random
Number generators, SM4 security engines, register, timer manager and FlashDMA Engine ECC modules in piece；
NAND Flash modules are connected with the FlashDMA Engine ECC modules in encryption main control chip, USB interface
It is connected with encryption main control chip, the encryption main control chip, NAND Flash modules and USB interface are integrally disposed in external structure
It is interior, the USB interface while the interface as the external structure.
Preferably, the encryption main control chip further includes：
Active guiding module, after the encrypted U disk starts, for data processing end show user password certification and/
Or key authentication visualization guiding interface and reception/transmission data are asked；
Authentication module is at least used for certification password or key data and the pre-stored data of cipher key storage block to receiving
It is authenticated and/or the key data received is reprocessed；
Cipher key storage block, at least for authentication storage password or data key.
Preferably, the encryption main control chip further includes initial guide module, is at least used in the encrypted U disk and data
When processing end connects, facilitate the startup of master boot module.
Preferably, the USB interface uses USB2.0 interfaces.
Preferably, the USB interface uses USB3.0 interfaces.
Preferably, indicator light is further included on the external structure of the encrypted U disk, is used to indicate whether the encrypted U disk is in
Working condition.
Preferably, the encrypted U disk further includes fingerprint verifying apparatus, for carrying out authentication to user.
Preferably, the data processing end be at least have data processing function terminal device, including terminal,
Tablet computer systems, smart mobile phone.
Compared with prior art, the utility model has the advantage of：A kind of encrypted U disk disclosed in the utility model, can be right
Storage is encrypted in the data being stored in USB flash disk, and to protect data safety, and the encrypted U disk can be used as UKey for having
The special storage hard disk of standby encryption function or the key for encrypting bridge.
Description of the drawings
Fig. 1 is a kind of structure diagram of encrypted U disk in one exemplary embodiments of the utility model；
Fig. 2 is a kind of structure diagram of encrypted U disk in another exemplary embodiments of the utility model；
Fig. 3 is a kind of external structure front schematic view of encrypted U disk in one exemplary embodiments of the utility model；
Fig. 4 is a kind of external structure side schematic view of encrypted U disk in one exemplary embodiments of the utility model.
Specific embodiment
In view of deficiency of the prior art, inventor is able to propose that this practicality is new through studying for a long period of time and largely putting into practice
The technical solution of type.The technical solution, its implementation process and principle etc. will be further explained as follows.
The utility model embodiment discloses a kind of encrypted U disk, specifically includes：
Main control chip is encrypted, for storing encryption/decryption of data；
NAND Flash modules, for storing encrypted data；
USB interface, for communicating between encrypted U disk and host side；
Wherein, the encryption main control chip includes integrally disposed RISC CPU on the encryption main control chip, random
Number generators, SM4 security engines, register, timer manager and FlashDMA Engine ECC modules in piece；
NAND Flash modules are connected with the Flash DMA Engine ECC modules in encryption main control chip, and USB connects
Mouth is connected with encryption main control chip, and the encryption main control chip, NAND Flash modules and USB interface are integrally disposed in external structure
It is interior, the USB interface while the interface as the external structure.
Preferably, the encryption main control chip further includes：
Active guiding module, after the encrypted U disk starts, for data processing end show user password certification and/
Or key authentication visualization guiding interface and reception/transmission data are asked；
Authentication module is at least used for certification password or key data and the pre-stored data of cipher key storage block to receiving
It is authenticated and/or the key data received is reprocessed；
Cipher key storage block, at least for authentication storage password or data key.
Preferably, the encryption main control chip further includes initial guide module, is at least used in the encrypted U disk and data
When processing end connects, facilitate the startup of master boot module.
Preferably, the USB interface uses USB2.0 interfaces.
Preferably, the USB interface uses USB3.0 interfaces.
Preferably, indicator light is further included on the external structure of the encrypted U disk, is used to indicate whether the encrypted U disk is in
Working condition.
Preferably, the encrypted U disk further includes fingerprint verifying apparatus, for carrying out authentication to user.
Preferably, the data processing end be at least have data processing function terminal device, such as terminal,
Tablet computer systems, smart mobile phone.
The technical solution, its implementation process and principle etc. will be further explained with reference to attached drawing as follows.
As shown in Figure 1, a kind of encrypted U disk disclosed in the present embodiment is mainly by encryption main control chip 1, NAND Flash modules
2nd, USB interface 3 and the external structure 4 for encapsulating with upper module form.Wherein, encryption main control chip 1 is used to store data
Encryption/decryption, it is safe that chip includes integrally disposed RISC CPU 11, random number generator 12, SM4 on the chip
The circuit units such as register 14, timer manager 15 and FlashDMA Engine ECC modules 16 in engine 13, piece；NAND
Flash modules 2 are used to store encrypted information paper, and with encrypting the Flash DMA Engine ECC in main control chip 1
Module 16 is connected, the transimission and storage of data is encrypted；USB interface 3 is used between encrypted U disk and data processing end
Communication is connected with encryption main control chip 1.External structure 4 is assembled main control chip 1, NAND Flash modules 2, USB interface 3 is encrypted
An entirety is combined into, in order to be connected with data processing end, the USB interface 3 while connecing as the external structure 4
Mouthful.
Encrypted U disk described in the present embodiment can realize the data encryption storage being stored in USB flash disk, and working method is such as
Under：
Encrypted U disk is connected to data processing end, such as after personal computer, is established between encrypted U disk and computer logical
Letter connection, computer terminal will need to store to the data in USB flash disk, be transferred to encryption main control chip by USB interface, encrypt master control
Chip encryption enabled function, is encrypted data operation, then in the form of ciphertext in storage to NAND Flash modules.
When computer needs to read the data in encrypted U disk, reading instruction, the encryption of encrypted U disk are sent out to encrypted U disk
After main control chip receives instruction and it is parsed, the encryption data being stored in NAND Flash modules is called.Encrypt number
According to after encryption main control chip is decrypted, the plaintext that computer can identify is converted into, finally by USB interface
It is transferred to host side.
Further, as shown in Fig. 2, a kind of encryption main control chip of encrypted U disk disclosed in the present embodiment further includes main draw
Guide module 17, authentication module 18, cipher key storage block 19, wherein：
Master boot module 17 after the encrypted U disk connect and starts with data processing end its be at least used for：
1) data processing end is made to show the visualized operation guiding interface of user password certification and/or key authentication；
2) it receives or transmission data is asked.
Authentication module 18, is at least used for：
1) the certification password or key data and the pre-stored data of cipher key storage block that receive are authenticated；Or
2) key data received is reprocessed, for having the special data storage device conduct of encryption function
Key uses.
Cipher key storage block 19 is at least used for authentication storage password or data key.
Further, encryption main control chip further includes：Initial guide module 20, at least be used for the encrypted U disk with
When data processing end connects, facilitate the startup of master boot module 17.
It should be strongly noted that aforementioned data processing end refers to the terminal device at least with data processing function, packet
It includes but is not limited to terminal, tablet computer systems, smart mobile phone etc..
Fig. 3 is a kind of external structure schematic diagram of the utility model embodiment, and Fig. 4 is its corresponding side structure schematic diagram.
Preferably, the USB interface of the encrypted U disk, which generally uses USB2.0 interfaces or also can be used, is increasingly becoming current main-stream
USB3.0 interfaces.
To further improve the safety of encrypted U disk, it is preferable that can also fingerprint be set to know on the encrypted U disk external structure
Other device identifies the legitimacy of user or using other verification modes etc., further to strengthen by way of fingerprint authentication
The safety of USB flash disk data manipulation.
Preferably, indicator light can be also set on the external structure of the encrypted U disk, whether is used to indicate USB flash disk in work shape
State.
Using encrypted U disk a kind of disclosed in the utility model, storage can be encrypted to the data being stored in USB flash disk, with
Data safety is protected, and encrypted U disk disclosed in the utility model is also used as UKey and is deposited for having the special of encryption function
The key of storage media, further to ensure the safety of data.
It should be appreciated that above-described embodiment is only the technical concepts and features for illustrating the utility model, it is ripe its object is to allow
The content of the utility model can be understood and implement according to this by knowing the personage of technique, can not limit the utility model with this
Protection domain.All equivalent change or modifications substantially made according to the spirit of the present invention, should all cover in the utility model
Within protection domain.
Claims (5)
1. a kind of encrypted U disk, it is characterised in that including：
Main control chip (1) is encrypted, for storing encryption/decryption of data；
NAND Flash modules (2), for storing encrypted data；
USB interface (3), for communicating between the encrypted U disk and host side；
Wherein, it is described encryption main control chip (1) including it is integrally disposed in it is described encryption main control chip on RISC CPU (11), with
Machine number generator (12), SM4 security engines (13), register (14), timer manager (15) and Flash DMA in piece
Engine ECC modules (16)；
NAND Flash modules (2) are connected with the Flash DMA Engine ECC modules (16) in encryption main control chip (1),
USB interface (3) is connected with encryption main control chip (1), and the encryption main control chip (1), NAND Flash modules (2) and USB connect
Mouthful (3) are integrally disposed in external structure (4), the USB interface (3) while as the interface of the external structure (4).
2. encrypted U disk according to claim 1, it is characterised in that：The USB interface (3) is using USB2.0 interfaces.
3. encrypted U disk according to claim 1, it is characterised in that：The USB interface (3) is using USB3.0 interfaces.
4. encrypted U disk according to claim 1, it is characterised in that：Finger is further included on the external structure (4) of the encrypted U disk
Show lamp, whether in running order be used to indicate the encrypted U disk.
5. encrypted U disk according to claim 1, it is characterised in that：The encrypted U disk further includes fingerprint verifying apparatus, uses
In to user's progress authentication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721116265.3U CN207541651U (en) | 2017-09-01 | 2017-09-01 | Encrypted u disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721116265.3U CN207541651U (en) | 2017-09-01 | 2017-09-01 | Encrypted u disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541651U true CN207541651U (en) | 2018-06-26 |
Family
ID=62607896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721116265.3U Active CN207541651U (en) | 2017-09-01 | 2017-09-01 | Encrypted u disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541651U (en) |
-
2017
- 2017-09-01 CN CN201721116265.3U patent/CN207541651U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230907 Address after: Room A0101-56, Building 2, No. 452, 6th Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 311119 Patentee after: Hangzhou Xinxiao Information Technology Co.,Ltd. Address before: Room 609, Building 01 (NW-01), Northwest District, Suzhou Nano City, No. 99 Jinjihu Avenue, Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee before: SUZHOU AKEYDRIVE INFORMATION TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |