CN207037664U

CN207037664U - A kind of computer information safe protector

Info

Publication number: CN207037664U
Application number: CN201720653481.5U
Authority: CN
Inventors: 刘欢
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2017-06-06
Filing date: 2017-06-06
Publication date: 2018-02-23
Anticipated expiration: 2027-06-06

Abstract

The utility model discloses a kind of computer information safe protector, including FPGA development boards, usb interface module and PC terminals, SOPC modules and AES encryption module are provided with FPGA development boards, SOPC modules are used to realize PC terminals and the signal intercommunication of FPGA development boards, SOPC modules control usb interface module and AES encryption module, SOPC modules include fpga chip, memory module and peripheral interface module, peripheral interface module includes jtag interface, EPCS chips, USB control modules port and encryption and decryption control port, SOPC modules are connected with usb interface module by USB control modules port, SOPC modules are connected with AES encryption module by encryption and decryption control port.The utility model using USB interface hardware encryption mode, improves property easy to use by optimization design, have versatile, encryption efficiency is high, high safety, the characteristics of being easily installed.

Description

A kind of computer information safe protector

Technical field

Computer information safety technique field is the utility model is related to, more particularly to a kind of computer information safe protection dress Put.

Background technology

In the epoch that this informationization increasingly sharpens, equipment is valuable and concept that data are priceless has been rooted in the hearts of the people, once Leakage of data, its loss be able to not will be estimated.Therefore the safety problem of information has become computer manufacturer and information security The study hotspot of mechanism.Existing encryption mode is generally divided into software cryptography and hardware encryption.There is take to lead for software cryptography The defects of machine resource is big, operation efficiency is low, security is poor, the mode of hardware encryption is usually required for this, improve disposal ability And security.Hardware encryption is to realize crypto-operation by encryption chip, independent process chip etc., but traditional hardware adds Close interface generally use serial ports or parallel port mode, have that efficiency of transmission is relatively low, the defects of limitation be present using connection.

Utility model content

The utility model solves above-mentioned deficiency, there is provided a kind of computer information safe protector, has versatility By force, encryption efficiency height, high safety, the characteristics of being easily installed.

The technical problem that the utility model solves can be realized using following technical scheme：

A kind of computer information safe protector, including FPGA development boards, usb interface module and PC terminals, it is described SOPC modules and AES encryption module are provided with FPGA development boards, the SOPC modules are used to realize PC terminals and FPGA development boards Signal intercommunication, the SOPC modules control the usb interface module and AES encryption module, the SOPC modules to include FPGA Chip, memory module and peripheral interface module, the fpga chip use EP2C8Q208C chips, the peripheral interface module bag Include jtag interface, EPCS chips, USB control modules port and encryption and decryption control port, the SOPC modules and the USB interface Module is connected by the USB control modules port, the USB control modules port by 8 bit data bus D7 to D0, one USB_INT interrupt signals line, a USB_WR write strobe signals line, a USB_RD read strobe signals line and a USB_AO shape State control signal wire is formed, and the SOPC modules are connected with the AES encryption module by the encryption and decryption control port, described Encryption and decryption control port is defeated by EN output ports, SEN output ports, DATAOUT output ports, DATAIN output ports and RDY Inbound port is formed.

Preferably, power interface, power switch are additionally provided with the FPGA development boards, network interface chip, has source crystal oscillator, reality When clock chip, buzzer, charactron and LED display.

Preferably, the usb interface module uses CH376 chips.

Preferably, the memory module uses SDRAM chips.

The utility model has following outstanding advantages and effect compared with prior art：The utility model is set by optimization Meter, using USB interface hardware encryption mode, improve property easy to use, have it is versatile, encryption efficiency is high, high safety, The characteristics of being easily installed.

Brief description of the drawings

Fig. 1 is overall control attachment structure schematic diagram of the present utility model.

Embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

As shown in figure 1, a kind of computer information safe protector provided by the utility model, including FPGA development boards 1, Usb interface module 4 and PC terminals 5, are provided with SOPC modules 2 and AES encryption module 3 in FPGA development boards 1, in FPGA development boards 1 It is additionally provided with power interface, power switch, network interface chip, has source crystal oscillator, real-time timepiece chip, buzzer, charactron and LED to show Screen, SOPC modules 2 are used to realize PC terminals 5 and the signal intercommunication of FPGA development boards 1, and SOPC modules 2 control usb interface module 4 With AES encryption module 3, SOPC modules 2 include fpga chip, memory module and peripheral interface module, and fpga chip uses EP2C8Q208C chips, memory module use SDRAM chips, and peripheral interface module includes jtag interface, EPCS chips, USB controls Module port processed and encryption and decryption control port, jtag interface are used for PC terminals 5 and the serial communication of FPGA development boards 1, EPCS chips For being stored in program source code, non-volatile program and data, while the configuration data of convenient management fpga chip are stored, Usb interface module 4 uses CH376 chips, and SOPC modules 2 are connected with usb interface module 4 by USB control modules port, USB Control module port by 8 bit data bus D7 to D0, a USB_INT interrupt signals line, a USB_WR write strobe signals line, One USB_RD read strobe signals line and a USB_AO state control signals line are formed, SOPC modules 2 and AES encryption module 3 Connected by encryption and decryption control port, encryption and decryption control port is by EN output ports, SEN output ports, DATAOUT output ends Mouth, DATAIN output ports and RDY input ports are formed, and EN output ports are encryption and decryption enable signal transmission port, and RDY is inputted Port is that encryption and decryption completes signal transmission port.

The utility model, using USB interface hardware encryption mode, is improved property easy to use, had by optimization design It is versatile, encryption efficiency is high, high safety, the characteristics of being easily installed.

As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature Scheme is applied to realize.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only 's.It is all in the scope of the utility model or in the change being equal in the scope of the utility model by the utility model bag Contain.

Claims

1. a kind of computer information safe protector, including FPGA development boards, usb interface module and PC terminals, its feature exist In：SOPC modules and AES encryption module are provided with the FPGA development boards, the SOPC modules are used to realize PC terminals and FPGA The signal intercommunication of development board, the SOPC modules control the usb interface module and AES encryption module, the SOPC modules bag Fpga chip, memory module and peripheral interface module are included, the fpga chip uses EP2C8Q208C chips, the Peripheral Interface Module includes jtag interface, EPCS chips, USB control modules port and encryption and decryption control port, the SOPC modules with it is described Usb interface module is connected by the USB control modules port, the USB control modules port by 8 bit data bus D7 extremely D0, a USB_INT interrupt signals line, a USB_WR write strobe signals line, a USB_RD read strobe signals line and one USB_AO state control signals line is formed, and the SOPC modules pass through the encryption and decryption control port with the AES encryption module Connection, the encryption and decryption control port is by EN output ports, SEN output ports, DATAOUT output ports, DATAIN output ends Mouth and RDY input ports are formed.

A kind of 2. computer information safe protector according to claim 1, it is characterised in that：The FPGA development boards Inside it is additionally provided with power interface, power switch, network interface chip, has source crystal oscillator, real-time timepiece chip, buzzer, charactron and LED to show Display screen.

A kind of 3. computer information safe protector according to claim 1, it is characterised in that：The USB interface mould Block uses CH376 chips.

A kind of 4. computer information safe protector according to claim 1, it is characterised in that：The memory module is adopted With SDRAM chips.