CN202872812U - Novel dual-serial port security access terminal - Google Patents

Novel dual-serial port security access terminal Download PDF

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Publication number
CN202872812U
CN202872812U CN 201220408429 CN201220408429U CN202872812U CN 202872812 U CN202872812 U CN 202872812U CN 201220408429 CN201220408429 CN 201220408429 CN 201220408429 U CN201220408429 U CN 201220408429U CN 202872812 U CN202872812 U CN 202872812U
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CN
China
Prior art keywords
serial
data
serial port
terminal
processing unit
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.)
Expired - Lifetime
Application number
CN 201220408429
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Chinese (zh)
Inventor
赵保华
郑晓崑
吴立斌
张波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Global Energy Interconnection Research Institute
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Priority date (The priority date 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 date listed.)
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Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI filed Critical State Grid Corp of China SGCC
Priority to CN 201220408429 priority Critical patent/CN202872812U/en
Application granted granted Critical
Publication of CN202872812U publication Critical patent/CN202872812U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a novel dual-serial port security access terminal, which comprises a power supply module, a central processing unit, and an interface module and an encryption chip connected with the central processing unit, wherein the interface module comprises a power supply interface, a second serial port and a first serial port with a TCP/IP protocol stack embedded inside; the power supply module is connected with the power supply interface; the first serial port receives encryption data from an external server, transmits the encryption data to the encryption chip for decryption processing and transmits the decryption data to communication terminal equipment via the second serial port; and the second serial port receives data from the communication terminal equipment, transmits the data to the encryption chip for encryption processing, and transmits the encryption data to the external server via the first serial port. According to the security access terminal, transparency of data transmission between the external server and the communication terminal can be realized, the role of security protection can be played, and the novel dual-serial port security access terminal has the advantages of simple structure, small volume, low cost, convenient for promotion and application and the like.

Description

A kind of novel pair of serial ports accesses terminal safely
Technical field
The utility model belongs to field terminal computer, is specifically related to a kind of novel pair of serial ports and accesses terminal safely.
Background technology
Although terminal the earliest can and server between realize the purpose of transfer of data owing to not using encryption unit, thus exist data preserve and transmission course in potential safety hazard.If the terminal protection mode has passed through to transform the internal structure of terminal, and increase the encryption and decryption module at terminal inner, authentication module, certificate module etc. realize the protection to terminal module.This way need to be carried out transformation and upgrade to the terminal of all deployment, if very large basic being difficult to of terminal quantity realized.On this basis, develop a kind of novel two serial ports and access terminal safely, the effect of security protection is played in can be transparent be deployed between physical end and the application server.
The utility model content
In order to overcome the defective of prior art, the purpose of this utility model is to propose a kind of novel pair of serial ports easy to use, that can play safety protection function and accesses terminal safely.
To achieve these goals, the utility model is achieved by the following technical solution:
A kind of novel pair of serial ports accesses terminal safely, this terminal comprises power module, central processing unit and the interface module that is connected with central processing unit and encryption chip, described interface module comprises power interface, second serial and is embedded with the first serial of ICP/IP protocol stack, and described power module links to each other with power interface; Described first serial receive come from the enciphered data of external server and reach encryption chip be decrypted processing after, reach communication terminal device via described second serial, described second serial receive come from the data of communication terminal device and reach encryption chip be encrypted processing after, be sent to external server via described first serial.
Further, this accesses terminal and also comprises cabinet, and described central processing unit, power module and encryption chip all are installed on cabinet inside, and described interface module is installed on the front panel or backboard of cabinet.
Further, indicator light for the display terminal state is installed on the outer surface of described cabinet.
Further, described indicator light comprises the power supply indicator that is connected with power module and transfer of data indicator light and the running LED that is connected with central processing unit.
Further, described central processing unit adopts the ARM7 flush bonding processor.
Further, this terminal also comprises the serial ports transceiver that is connected with first serial, and described first serial receives the enciphered data that comes from external server by the serial ports transceiver.
The beneficial effects of the utility model are:
This accesses terminal safely and can realize the transparency of external server and the transmission of data between the go side of communicating by letter, and plays safety protection function, has simple in structurely, and volume is little, and cost is low, the advantage such as is easy to be extended and applied.
Description of drawings
Fig. 1 is access terminal the safely structure principle chart of embodiment of novel pair of serial ports of the utility model.
Embodiment
Below in conjunction with accompanying drawing of the present utility model pair of serial ports accessed terminal safely to do in further detail and describe.
As shown in Figure 1, the safety that has two serial ports in this example accesses terminal, and comprises central processing unit and the power module that is connected with central processing unit, interface module and encryption chip.The below describes each parts of this terminal respectively:
Central processing unit: be the vitals of this terminal, can adopt ARM7 series flush bonding processor, the main scheduling of being responsible for whole control and data.Can in central processing unit, embed authentication module, before the enciphered data of sending by first serial reception external server, external server is carried out authentication, receive enciphered data, the fail safe that can improve transfer of data by first serial again after checking is passed through.
Power module: can adopt the external power supply of 3.3V, be responsible for central processing unit, interface module and encryption chip working power is provided, the 3.3V external power supply is installed in cabinet inside by the power interface that is arranged on case front panel or backboard place.
Interface module: comprise power interface, first serial and second serial, first serial is embedded with the ICP/IP protocol stack, and it receives the enciphered data that comes from external server by the serial ports transceiver.The ICP/IP protocol stack mainly is responsible for packing the data to network packet, to realize the transparent transmission of data between external server and the communication terminal.The TCP/IP ICP/IP protocol is called transmission control/Internet protocol, and it is the basis of Internet Internet, is the basic communication agreement of using in the network, and the ICP/IP protocol stack is the protocol groups that a cover gets up the various system interconnections on the internet.The BTU of ICP/IP protocol is packet (datagram), Transmission Control Protocol is responsible for data are divided into several packets, and add packet header (just as adding envelope to an envelope letter) for each packet, corresponding numbering is arranged on the packet header, to guarantee data to be reduced to original form at data receiver, the IP agreement is added the receiving terminal host address in each packet header, data find the place that oneself will go like this, if occur loss of data in the transmission course, the situations such as data distortion, Transmission Control Protocol can require data again to transmit automatically, and re-groups package.In a word, the IP agreement guarantees data transfer, and Transmission Control Protocol guarantees the quality of transfer of data.The ICP/IP protocol data transfer is based on the four-layer structure of ICP/IP protocol: application layer, transport layer, network layer, interface layer, data whenever will add a packet header in data by one deck when transmission, data wherein are for receiving terminal same layer agreement, and at receiving terminal, every process one deck will removing with the packet header of crossing, guarantee that like this form of the transmission of data is in full accord.
Encryption chip has the functions such as encryption, deciphering, signature, sign test, and is used for preserving key information, supports the cryptographic algorithm of RSA, AES, SHA1, SM1, the many generals such as SM2, SM3.
In order to make terminal more neat and artistic, this terminal can also have a cabinet, and this cabinet adopts metal material, discharges water dustproof the support bracket fastened installation such as guide rail support.Above-mentioned central processing unit, power module and encryption chip are installed on cabinet inside and (for example in the case back plate inboard draw-in groove are set, central processing unit, power module and encryption chip are fixedly arranged on respectively in the draw-in groove of backboard), power interface, first serial and second serial can be installed on the front panel of cabinet, also can be installed on the backboard of cabinet.In order to understand more easily this terminal operating status, can various indicator lights be installed at the cabinet outer surface, comprising: the power supply indicator that is connected with power module and the transfer of data indicator light and the running LED that are connected with central processing unit.
Before use, connect by first serial and the external server (for example PC) of serial ports transceiver with this terminal first, then power line and the Transistor-Transistor Logic level rs 232 serial interface signal line of drawing in the power interface of this terminal and second serial and the communication terminal device (for example computer or mobile phone) connected, this moment, power supply indicator was lighted, and showed that this terminal can work.The first serial of this terminal receives the enciphered data come from external server by the serial ports transceiver, and is sent to second serial after being decrypted through encryption chip, reaches communication terminal device by second serial; The data that communication terminal device sends reach encryption chip through second serial and are encrypted, and are issued to external server via first serial again.
Therefore, of the present utility model pair of serial ports accesses terminal safely and can embody the human oriented design of product, can satisfy the client to the demand of terminal security protection, thereby the self-value of product is provided, and has and promotes widely and practicality.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; in conjunction with above-described embodiment the utility model is had been described in detail; those of ordinary skill in the field are to be understood that: those skilled in the art still can make amendment or are equal to replacement embodiment of the present utility model, but these modifications or change are all among the claim protection range that application is awaited the reply.

Claims (6)

1. novel pair of serial ports accesses terminal safely, it is characterized in that: this terminal comprises power module, central processing unit and the interface module that is connected with central processing unit and encryption chip, described interface module comprises power interface, second serial and is embedded with the first serial of ICP/IP protocol stack, and described power module links to each other with power interface; Described first serial receive come from the enciphered data of external server and reach encryption chip be decrypted processing after, reach communication terminal device via described second serial, described second serial receive come from the data of communication terminal device and reach encryption chip be encrypted processing after, be sent to external server via described first serial.
2. novel pair of serial ports according to claim 1 accesses terminal safely, it is characterized in that: this terminal also comprises cabinet, described central processing unit, power module and encryption chip all are installed on cabinet inside, and described interface module is installed on the front panel or backboard of cabinet.
3. novel pair of serial ports according to claim 2 accesses terminal safely, it is characterized in that: the indicator light for the display terminal state is installed on the outer surface of described cabinet.
4. novel pair of serial ports according to claim 3 accesses terminal safely, it is characterized in that: described indicator light comprises the power supply indicator that is connected with power module and transfer of data indicator light and the running LED that is connected with central processing unit.
5. novel pair of serial ports according to claim 1 accesses terminal safely, it is characterized in that: described central processing unit adopts the ARM7 flush bonding processor.
6. novel pair of serial ports according to claim 1 accesses terminal safely, it is characterized in that: this terminal also comprises the serial ports transceiver that is connected with first serial, and described first serial receives the enciphered data that comes from external server by the serial ports transceiver.
CN 201220408429 2012-08-17 2012-08-17 Novel dual-serial port security access terminal Expired - Lifetime CN202872812U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220408429 CN202872812U (en) 2012-08-17 2012-08-17 Novel dual-serial port security access terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220408429 CN202872812U (en) 2012-08-17 2012-08-17 Novel dual-serial port security access terminal

Publications (1)

Publication Number Publication Date
CN202872812U true CN202872812U (en) 2013-04-10

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Application Number Title Priority Date Filing Date
CN 201220408429 Expired - Lifetime CN202872812U (en) 2012-08-17 2012-08-17 Novel dual-serial port security access terminal

Country Status (1)

Country Link
CN (1) CN202872812U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160425

Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Patentee after: China Electric Power Research Institute

Patentee after: STATE GRID SMART GRID Research Institute

Patentee after: State Grid Corporation of China

Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Patentee before: China Electric Power Research Institute

Patentee before: State Grid Corporation of China

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Patentee after: China Electric Power Research Institute

Patentee after: GLOBAL ENERGY INTERCONNECTION Research Institute

Patentee after: State Grid Corporation of China

Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Patentee before: China Electric Power Research Institute

Patentee before: STATE GRID SMART GRID Research Institute

Patentee before: State Grid Corporation of China

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130410