CN204442397U - A kind of encrypted electronic signature device - Google Patents
A kind of encrypted electronic signature device Download PDFInfo
- Publication number
- CN204442397U CN204442397U CN201520076414.2U CN201520076414U CN204442397U CN 204442397 U CN204442397 U CN 204442397U CN 201520076414 U CN201520076414 U CN 201520076414U CN 204442397 U CN204442397 U CN 204442397U
- Authority
- CN
- China
- Prior art keywords
- usb
- electronic signature
- screen
- module
- encrypted electronic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of encrypted electronic signature device, relates to electronic technology field.This device comprises writing pen and encrypted electronic signature screen, encrypted electronic signature screen comprises for being connected with outer computer, to access the interface module of the usb signal of computer export, be connected with interface module, for usb signal being converted to the control board of LVDS signal, be connected with control board, for carrying out screen display to LVDS signal and receive the touch-screen of handwriting information of writing pen input under screen display interface, and be connected with touch-screen, be encrypted for the information of identifying the handwriting and the handwriting information after encryption is converted to the encrypting module of usb signal, the output of encrypting module is connected with interface module.The utility model can ensure the fail safe of handwriting information in transmitting procedure, the serious economic loss that the handwriting information avoiding user to input is stolen by lawless person and caused in the process of transmission.
Description
Technical field
The utility model belongs to electronic technology field, particularly relates to a kind of encrypted electronic signature device.
Background technology
Along with the development of science and technology, electronic signature has been widely used in finance, mobile service and No paper office system.At present, market there is various electronic signature equipment, these equipment all use USB (Universal Serial Bus, USB) interface and computer carry out data communication, concrete, the handwriting information inputted by electronic signature equipment Real-time Collection user, is then uploaded to computer by USB interface by the handwriting information that user inputs, receives this handwriting information and draw out handwritten signature image by computer in electronic documents.But, there is potential safety hazard in the above-mentioned communication modes adopted between electronic signature equipment and computer, because electronic signature has legal effect equally, if to carry out between electronic signature equipment and computer in the process of communication steal by lawless person, then can bring serious economic loss to user.
Utility model content
The object of the utility model embodiment is to provide a kind of encrypted electronic signature device, be intended to solve the communication modes adopted between above-mentioned electronic signature equipment and computer and there is potential safety hazard, if electronic signature in communication process steal by lawless person, the problem of serious economic loss can be brought to user.
The utility model embodiment realizes like this, a kind of encrypted electronic signature device comprises writing pen and encrypted electronic signature screen, described encrypted electronic signature screen comprises for being connected with outer computer, to access the interface module of the usb signal of described computer export, be connected with described interface module, for described usb signal being converted to the control board of LVDS signal, be connected with described control board, for carrying out screen display to described LVDS signal and receive the touch-screen of handwriting information of writing pen input under screen display interface, and be connected with described touch-screen, for being encrypted described handwriting information and the handwriting information after encryption being converted to the encrypting module of usb signal, the output of described encrypting module is connected with described interface module.
In the encrypted electronic signature device described in the utility model embodiment, described encrypting module is the one in AES encryption module, des encryption module, 3DES encrypting module or domestic cryptographic module.
In the encrypted electronic signature device described in the utility model embodiment, in described computer, be provided with the deciphering module corresponding with described encrypting module.
In the encrypted electronic signature device described in the utility model embodiment, described interface module comprises the USB master port for being connected with outer computer and the USB that is connected with described USB master port from port and the 2nd USB from port, a described USB is connected from port with described control board, and described 2nd USB is connected from port with described encrypting module.
In the encrypted electronic signature device described in the utility model embodiment, described control board comprises the USB interface be connected from port with a described USB, be connected, be converted to for the usb signal described USB interface exported the FPGA protocol data converting unit of LVDS with described USB interface, and the LVDS interface to be connected with described FPGA protocol data converting unit, described LVDS interface is connected with described touch-screen.
In the encrypted electronic signature device described in the utility model embodiment, described touch-screen is electric capacity electromagnetic touch screen, and described writing pen is time writer.
In the encrypted electronic signature device described in the utility model embodiment, described time writer is active electrical magnetic pen or passive electrical magnetic pen.
The encrypted electronic signature device that implementing the utility model embodiment provides has following beneficial effect:
The encrypting module that the encrypted electronic signature device that the utility model embodiment provides adopts can adopt the close algorithm of AES, DES, 3DES or state to be encrypted the handwriting information that writing pen inputs, and adopt the handwriting information after encryption to carry out communication by interface module and outer computer, the fail safe of handwriting information in transmitting procedure can be ensured like this, avoid the handwriting information of user to be stolen by lawless person in the process of transmission and the serious economic loss that causes.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the encrypted electronic signature device that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the structured flowchart of the encrypted electronic signature device that the utility model embodiment provides.Shown in Figure 1, the encrypted electronic device that the utility model embodiment provides comprises writing pen 1 and encrypted electronic signature screen 2, described encrypted electronic signature screen 2 comprises for being connected with outer computer 3, to access the interface module 21 of the usb signal that described computer 3 exports, be connected with described interface module 21, for described usb signal being converted to LVDS (Low Voltage Differential Signaling, Low Voltage Differential Signal) control board 22 of signal, be connected with described control board 22, for carrying out screen display to described LVDS signal and receive the touch-screen 23 of handwriting information that writing pen 1 inputs under screen display interface, and be connected with described touch-screen 23, for being encrypted described handwriting information and the handwriting information after encryption being converted to the encrypting module 24 of usb signal, the output of described encrypting module 24 is connected with described interface module 21.Be to be understood that time be, the interface module 21 when specific implementation in the present embodiment also for obtaining the supply power voltage of 5V from outer computer 3, to power for other modules in this encrypted electronic signature device.
In the present embodiment, described encrypting module 24 is AES (Advanced Encryption Standard, Advanced Encryption Standard) encrypting module 24, DES (Data Encryption Standard, data encryption standard) one in encrypting module 24,3DES (Triple Data Encryption Standard, triple DES) encrypting module 24 or domestic cryptographic module 24.The deciphering module corresponding with described encrypting module 24 is provided with in described computer 3.Encrypting module 24 in the present embodiment can adopt the close algorithm of AES, DES, 3DES or state to be encrypted the handwriting information that writing pen inputs, and adopt the handwriting information after encryption to carry out communication by interface module and outer computer, even if data are stolen in the process of transmission like this, also cannot be cracked, thus ensure that the fail safe of handwriting information in transmitting procedure, avoid the handwriting information of user to be stolen by lawless person in the process of transmission and the serious economic loss that causes.
In the present embodiment, described interface module 21 comprises the USB master port 211 for being connected with outer computer 3 and the USB that is connected with described USB master port 211 from port 212 and the 2nd USB from port 213, a described USB is connected from port 212 with described control board 22, and described 2nd USB is connected from port 213 with described encrypting module 24.
In the present embodiment, described control board 22 comprises the USB interface 221 be connected from port 212 with a described USB, be connected, be converted to for the usb signal described USB interface 221 exported FPGA (the Field Programmable Gate Array of LVDS with described USB interface 221, field programmable gate array) protocol data converting unit 222, and the LVDS interface 223 to be connected with described FPGA protocol data converting unit 222, described LVDS interface 223 is connected with described touch-screen 23.
In the present embodiment, described touch-screen 23 is electric capacity electromagnetic touch screen, and described writing pen 1 is time writer.Should be understood that, when specific implementation, this touch-screen 23 also can be electric resistance touch screen 23 or capacitance touch screen 23, and corresponding writing pen 1 also can be resistance pen or capacitance pen.But because electromagnetic touch has the advantages such as light transmittance is high, resolution is high and be quick on the draw, therefore, adopt electric capacity electromagnetic touch to shield and time writer in the present embodiment, it has higher input precision relative to other touch-screen 23 with the combination of writing pen 1.Optionally, time writer described in the present embodiment is active electrical magnetic pen or passive electrical magnetic pen.
The operation principle of the utility model embodiment is elaborated below in conjunction with Fig. 1:
When needs use electronic signature, USB data line is adopted to be coupled together with the USB interface of outer computer 3 by the USB master port 211 in this encrypted electronic signature device, by computer 3 by USB port for this device provides piezoelectric voltage, the screen display signals of self can be converted to usb signal and to be transferred to USB master port 211 in this device by USB data line by simultaneous computer 3, USB master port 211 receives usb signal and this usb signal is transferred to control board 22 by a USB from port 212, touch-screen 23 is exported to after usb signal is converted to LVDS signal by the FPGA protocol data converting unit 222 in control board 22, by touch-screen 23, screen display is carried out to this LVDS signal, and under this screen display interface, receive the handwriting information of the electronic signature of time writer input, and this handwriting information is transferred to encrypting module 24, encrypting module 24 receives this handwriting information, and adopt AES, DES, the close algorithm of 3DES or state is encrypted the handwriting information that time writer inputs, then the handwriting information after encryption is converted to usb signal and is sent to the 2nd USB from port 213, 2nd USB receives this usb signal from port 213, and usb signal is returned to computer 3 by USB master port 211 and USB data line, computer 3 receives this usb signal, and the handwriting information of also original subscriber's input after adopting the encryption handwriting information comprised in the secret key pair usb signal of making an appointment to be decrypted, so far the function of electronic signature is completed.
To sum up, the encrypting module 24 that the encrypted electronic signature device that the utility model embodiment provides adopts can adopt the close algorithm of AES, DES, 3DES or state to be encrypted the handwriting information that writing pen 1 inputs, and adopt the handwriting information after encryption to carry out communication by interface module 21 and outer computer 3, the fail safe of handwriting information in transmitting procedure can be ensured like this, avoid the handwriting information of user to be stolen by lawless person in the process of transmission and the serious economic loss that causes.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. an encrypted electronic signature device, it is characterized in that, comprise writing pen and encrypted electronic signature screen, described encrypted electronic signature screen comprises for being connected with outer computer, to access the interface module of the usb signal of described computer export, be connected with described interface module, for described usb signal being converted to the control board of LVDS signal, be connected with described control board, for carrying out screen display to described LVDS signal and receive the touch-screen of handwriting information of described writing pen input under screen display interface, and be connected with described touch-screen, for being encrypted described handwriting information and the handwriting information after encryption being converted to the encrypting module of usb signal, the output of described encrypting module is connected with described interface module.
2. encrypted electronic signature device as claimed in claim 1, it is characterized in that, described encrypting module is the one in AES encryption module, des encryption module, 3DES encrypting module or domestic cryptographic module.
3. encrypted electronic signature device as claimed in claim 2, is characterized in that, be provided with the deciphering module corresponding with described encrypting module in described computer.
4. encrypted electronic signature device as claimed in claim 3, it is characterized in that, described interface module comprises the USB master port for being connected with outer computer and the USB that is connected with described USB master port from port and the 2nd USB from port, a described USB is connected from port with described control board, and described 2nd USB is connected from port with described encrypting module.
5. encrypted electronic signature device as claimed in claim 4, it is characterized in that, described control board comprises the USB interface be connected from port with a described USB, be connected, be converted to for the usb signal described USB interface exported the FPGA protocol data converting unit of LVDS with described USB interface, and the LVDS interface to be connected with described FPGA protocol data converting unit, described LVDS interface is connected with described touch-screen.
6. encrypted electronic signature device as claimed in claim 5, is characterized in that, described touch-screen is electric capacity electromagnetic touch screen, and described writing pen is time writer.
7. encrypted electronic signature device as claimed in claim 6, it is characterized in that, described time writer is active electrical magnetic pen or passive electrical magnetic pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076414.2U CN204442397U (en) | 2015-02-03 | 2015-02-03 | A kind of encrypted electronic signature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076414.2U CN204442397U (en) | 2015-02-03 | 2015-02-03 | A kind of encrypted electronic signature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442397U true CN204442397U (en) | 2015-07-01 |
Family
ID=53610208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520076414.2U Active CN204442397U (en) | 2015-02-03 | 2015-02-03 | A kind of encrypted electronic signature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228079A (en) * | 2016-08-30 | 2016-12-14 | 恒银金融科技股份有限公司 | A kind of finance self-help terminal electronic signature apparatus |
| CN107800682A (en) * | 2016-08-30 | 2018-03-13 | 株式会社和冠 | With data authentication and safe transmission of the Transport Layer Security between signature apparatus and main frame |
-
2015
- 2015-02-03 CN CN201520076414.2U patent/CN204442397U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228079A (en) * | 2016-08-30 | 2016-12-14 | 恒银金融科技股份有限公司 | A kind of finance self-help terminal electronic signature apparatus |
| CN107800682A (en) * | 2016-08-30 | 2018-03-13 | 株式会社和冠 | With data authentication and safe transmission of the Transport Layer Security between signature apparatus and main frame |
| EP3291504A3 (en) * | 2016-08-30 | 2018-03-14 | Wacom Co., Ltd. | Authentication and secure transmission of data between signature devices and host computers using transport layer security |
| US10839382B2 (en) | 2016-08-30 | 2020-11-17 | Wacom Co., Ltd. | Authentication and secure transmission of data between signature devices and host computers using transport layer security |
| CN107800682B (en) * | 2016-08-30 | 2022-04-05 | 株式会社和冠 | Data authentication and secure transmission between a signing device and a host using transport layer security |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103606047A (en) | Password management system | |
| CN103268206A (en) | Seal equipment based on printing technology | |
| CN204442397U (en) | A kind of encrypted electronic signature device | |
| CN201654768U (en) | Active type intelligent security USB (Universal Serial Bus) removable storage equipment | |
| CN104915583A (en) | Interface decryption processing method and mobile terminal | |
| CN204965509U (en) | A intelligent terminal for handling social security is professional | |
| CN203720848U (en) | Hard disk encryption device based on AES (advanced encryption standard) algorithm | |
| CN105183192A (en) | Electronic identity pen based on intelligent touch screen interactive type input screen and electronic signing method | |
| CN202838313U (en) | Encrypted mobile hard disk of integrated NFC technology | |
| CN204883720U (en) | Electronic signature device | |
| CN103390140A (en) | Mobile terminal and information security control method thereof | |
| CN203573322U (en) | Encrypted magnetic head | |
| CN205788190U (en) | A kind of office computer information security managing and control system based on fingerprint identification technology | |
| CN207198908U (en) | Science and technology item data management system | |
| CN205080507U (en) | Touch pen for capacitance screen | |
| CN205068319U (en) | Electron identity pen based on interactive input screen of intelligence touch -sensitive screen | |
| CN214376526U (en) | Portable membership card management equipment | |
| CN205750792U (en) | Cryptographic signature touch display | |
| CN205068402U (en) | Plug -and -play switching device and security certification system | |
| CN203535638U (en) | Computer with hard disk information safety device | |
| CN104680056A (en) | Safety USB (Universal Serial Bus) flash disk system and safety USB flash disk method for encrypting and decrypting through wireless man-machine interaction terminal | |
| CN203746181U (en) | Card reader | |
| CN104243138A (en) | Encrypted recording system based on singe chip microcomputer | |
| CN205912066U (en) | Based on inductance type touch -control hardware data encryption device | |
| CN203433509U (en) | Data storing device provided with USB (Universal Serial Bus) encryption interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wan Junfeng Inventor before: Zhao Yanjiang |
|
| COR | Change of bibliographic data |