CN201188239Y

CN201188239Y - Multi-cipher key payment terminal

Info

Publication number: CN201188239Y
Application number: CNU2008200788429U
Authority: CN
Inventors: 孙陶然
Original assignee: LAKALA (BEIJING) BILLING SERVICE CO Ltd
Current assignee: Kara payment Limited by Share Ltd
Priority date: 2008-01-30
Filing date: 2008-01-30
Publication date: 2009-01-28
Anticipated expiration: 2018-01-30

Abstract

The utility model provides a multi-key paying terminal which comprises a housing, a processor arranged inside the housing and a remote communication module, wherein, a display screen, a keyboard, a magnetic strip card reader, an IC card reader and a serial communication port are arranged inside the housing, the inside of the housing comprises a dynamic memory, a main memorizer and a PSAM card which are respectively connected with the processor, a self-destructing device is respectively connected with the main memorizer and the PSAM card, a microprocessing chip is arranged inside the PSAM card and is used for storing a plurality of sets of keys, the encryption algorithm and system numbers; the self-destructing device comprises a sensor; when the sensor is triggered, the self-destructing device generates trigger signals to the main memorizer and the PSAM card so as to destruct the program and data stored in the main memorizer and the PSAM card. The encryption algorithm required by a plurality of issuing banks is supported by arranging keys of a plurality of issuing banks in the PSAM card so that the multi-key paying terminal can be directly connected with paying systems of different issuing banks, thereby being more flexible and convenient to pay and increasing the security.

Description

Many keys payment terminal

Technical field

The utility model relates to a kind of payment terminal, particularly a kind ofly is bank card is swiped the card or the private client of the Internet bank uses many keys payment terminal.

Background technology

Electronic payment terminal, it is the bank card market accepting terminal that develops rapidly for the widespread use that adapts to electronic money-bank card and other forms of Payment Card, it is very convenient to adopt electronic payment terminal to pay by mails, the consumer only need " swipe the card " and obtain system authorization and just can easily realize paying by mails at electronic payment terminal, all adopt the encryption mechanism of single secret key encryption in the present electronic payment terminal, so just formed the proprietary terminal of specific credit card issuer, this terminal is only supported the cryptographic algorithm of a credit card issuer requirement, the payment system that can not directly connect different credit card issuers, if trade company wishes to finish transaction with the client who holds any bank card, perhaps the holder wishes only to use a bank card just can consume relatively difficulty in any one tame trade company, unless use the payment adapting system of similar Unionpay, the terminal of a plurality of keys of existing support, all realize at the built-in a plurality of single key cards of terminal or other cipher key carrier, therefore need to increase after finishing or need open a terminal during the deletion key laying, cause the key of other banks in the terminal to be affected, so practicality and all reductions greatly of dirigibility.

The utility model content

Defective at the prior art existence, the utility model provides a kind of many keys payment terminal of accepting the private client use of the site or the Internet bank for bank card, existing payment terminal be can solve and the practicality that single cipher key encryption mechanism causes and the defective of very flexible adopted, by being set, many key mechanisms make payment terminal can directly connect the payment system of different credit card issuers, the operation maintenance that has realized different keys simultaneously is separate, is independent of each other.

The technical solution of the utility model is:

A kind of many keys payment terminal, the processor, the remote communication module that comprise shell, enclosure, the display screen of housing exterior, keyboard, magnetic stripe reader, IC-card card reader, serial communication interface, it is characterized in that, enclosure also comprises Dram, primary memory, the PSAM card that links to each other with processor respectively, the self-desttruction equipment that links to each other with the PSAM card with primary memory respectively, the work space that needs when described Dram provides computing for processor; Described primary memory adopts SRAM, is used for storage terminal software module, operational data, realizes self-destruction; The built-in little process chip of described PSAM card is stored many group keys, cryptographic algorithm and system number; Described self-desttruction equipment comprises sensor, when sensor monitors when shell moves or be opened, self-desttruction equipment can produce one and control signal to the power switch of primary memory and it is closed, and cuts off the power supply of primary memory, thereby destroys the data of main memory store; Self-desttruction equipment also produces a trigger pip to the PSAM card simultaneously, starts the self-destruction mechanism of PSAM card inside, destroys the key and the cryptographic algorithm of PSAM card storage.

Also comprise the printer that is arranged on housing exterior, be used to print the output of payment terminal.

Above-mentioned many group keys are the key of a plurality of credit card issuers, and described cryptographic algorithm is the cryptographic algorithm of credit card issuer requirement.

Above-mentioned Dram is RAM or EPROM.

The sensor selective light sensor or displacement transducer.

Technique effect:

PSAM card in many keys of the utility model payment terminal is stored many group keys, cryptographic algorithm and system number, be provided with many group keys, cryptographic algorithm for the key of supporting a plurality of credit card issuer requirements and cryptographic algorithm provide may, the key of built-in a plurality of credit card issuers simultaneously, and support the cryptographic algorithm of a plurality of credit card issuer requirements, make payment terminal can directly connect the payment system of different credit card issuers, the self-destroying function of PSAM card ensures that the content of PSAM card storage is not stolen.The setting of the utility model PSAM card makes payment convenient flexibly, and the PSAM card meets PBOC 2.0 standards.The self-desttruction equipment of the utility model setting connects primary memory and PSAM card respectively, when the sensor monitors in the self-desttruction equipment when shell moves or be opened, self-desttruction equipment can produce one and control signal to the power switch of primary memory and it is closed, cut off the power supply of primary memory, thereby destroy the data of its storage, self-desttruction equipment also produces a trigger pip to the PSAM card simultaneously, start the self-destruction mechanism of PSAM card inside, destroy the key and the cryptographic algorithm of its storage, by this security mechanism and safeguard procedures are set, strengthened the security of terminal, payment terminal can be connected in any place safely, and then made payment convenient more.

The operation maintenance of the different keys of this payment terminal is separate, therefore can not influence the key of other banks in the payment terminal to increase, replacing or the deletion of certain key, therefore has good practicability and dirigibility.

Housing exterior in many keys payment terminal is provided with printer, the output that is used to print payment terminal is used as the voucher of payment transaction, and Dram and primary memory are set is Dram and storage space for the processor of expanding many keys payment terminal, increase work efficiency, primary memory adopts SRAM, the content of depositing will be lost after the sort memory power down, can realize self-destruction.

Description of drawings

Fig. 1 is the structured flowchart of many keys of the utility model payment terminal;

Fig. 2 is the circuit diagram of the self-desttruction equipment of many keys of the utility model payment terminal.

Embodiment

Below in conjunction with accompanying drawing the utility model is described further.

Fig. 1 is the structured flowchart of many keys of the utility model payment terminal.Many keys payment terminal, the processor, the remote communication module that comprise shell, enclosure, the display screen of housing exterior, keyboard, magnetic stripe reader, IC-card card reader, serial communication interface, enclosure also comprises Dram, primary memory, the PSAM card that links to each other with processor respectively, respectively the self-desttruction equipment that links to each other with the PSAM card with primary memory.

Many keys payment terminal also can be used chargeable powered battery by a power supply power supply that exchanges the output of input direct current;

Here the processor adopting ARM single-chip microcomputer of many keys payment terminal is come all electronic units of control terminal;

Remote communication module can be selected PSTN, ISDN, CDMA, GPRS, WiFi or Ethernet interface, and communication protocol is selected according to application need, is used to connect bank payment system to finish payment transaction or to carry out the remote maintenance of terminal;

Display screen is integrated in and also can be set to plug-inly on the fuselage of payment terminal, can adopt the black and white or the chromatic liquid crystal screen that can show 5*10 Chinese character at least, is used to show the output of payment system: information, menu and operation result etc.;

Keyboard comprise at least 10 numerical keys ,-, * and # key, be used to accept user's input;

Magnetic stripe reader can be read magnetic stripe card information, is mainly used in the bank card that reads in the magnetic stripe form;

The IC-card card reader can be read IC-card, when being used for payment terminal and safeguarding IC-card is verified, reads in sensitive informations such as key on the IC-card or read in the bank card of IC-card form;

Serial communication interface can be selected RS232 or USB interface, is mainly used in payment terminal setting and software maintenance;

Printer is a preferred components, can be integrated in also to be set to plug-inly on the fuselage of payment terminal, selects stylus printer or thermal printer according to application need; The output that is used to print payment terminal is used as the voucher of payment transaction.

Because the built-in limited storage space of single-chip microcomputer, many keys payment terminal is provided with the Dram that links to each other with single-chip microcomputer respectively, the storage that primary memory is expanded single-chip microcomputer, and Dram is RAM or EPROM, the work space that needs when providing computing to single-chip microcomputer; Primary memory adopts SRAM; the content of depositing will be lost after the sort memory power down; therefore have a power down protection circuit to be its power supply in the payment terminal, it is the primary memory power supply that this power down protection circuit is used for when primary power cuts off, and does not lose to protect its memory contents.

That expand on the payment terminal and the hardware encryption module-PSAM card that links to each other with single-chip microcomputer, the PSAM card meets PSAM calliper model-PBOC 2.0 standards of People's Bank of China, no matter be to the storage of key or the encryption of data all reached the requirement of payment system, the built-in little process chip of PSAM card, store the cryptographic algorithm and the corresponding system number of many group keys, correspondence, and have self-destroying function.The security function of payment terminal is finished by the PSAM card, the PSAM card can be deposited multiple key and cryptographic algorithm, has the cipher key calculation function, can realize payment terminal and visitor's two-way off line or online authentication by calling the PSAM card, internal data or communication message are carried out encrypt/decrypt, the legitimacy of authentication secret or digital signature, the renewal of business cipher key, cryptographic algorithm and terminal software, and the sensitive traffic processing procedure all needs to stick into capable security control by PSAM, with the safety of the terminal traffic process of guaranteeing payment.By the key of built-in a plurality of credit card issuers simultaneously, and support the cryptographic algorithm of a plurality of credit card issuer requirements, and be separate between each key, make payment terminal can directly connect the payment system of different credit card issuers, make payment convenient more flexibly.

As Fig. 2 is the circuit diagram of self-desttruction equipment; self-desttruction equipment links to each other with power down protection circuit, primary memory SRAM and PSAM card respectively; comprise sensor, also comprise chargeable button cell S, an EPROM, programmable logic array PLA, three-state buffer, phase inverter, DC Regulator.Wherein, whether sensor can monitor shell and move or be opened, and simultaneously according to different needs selective light sensor or displacement transducer, perhaps sensor is replaced with the line that is disconnected when the detection switch of disposing along the shell border or shell are opened etc.When sensor monitors when shell moves or be opened, self-desttruction equipment can produce one and control signal to the power switch of primary memory and it is closed, and cuts off the power supply of primary memory, thereby destroys the data of its storage; Self-desttruction equipment also produces a trigger pip to the PSAM card simultaneously, starts the self-destruction mechanism of PSAM card inside, destroys the key and the cryptographic algorithm of its storage.

Principle of work is as follows: shell moves or when not being opened, promptly sensor is not triggered, this moment output logic level " 0 ", shell is moved or when being opened, when promptly sensor is triggered, the output logic level"1"; The output of sensor is held through the EN that phase inverter is connected to DC Regulator, when sensor output " 1 " DC Regulator is closed, and promptly the DC regulator as feeder ear is cut off, from causing the primary memory power down, the loss of data of storing; The output of sensor simultaneously is connected to the PLA chip, when being output as " 1 ", it will start the program of PLA built-in chip type: read command-destruct from EPROM and send to the PSAM card, thereby start the self-destruction program of PSAM card inside, destroy the key and the cryptographic algorithm of its storage.That is to say that the self-destruction of PSAM card need be to it from ruining instruction, command-destruct is stored among the EPROM, and when the self-destruction signal triggering, PLA starts, and takes out command-destruct and send to the PSAM card from EPROM.The instruction input source of PSAM card is controlled by two three-state buffers: be that sensor is output as the instruction that received single-chip microcomputer at 0 o'clock under the normal condition, receive the instruction of PLA when being output as " 1 " during the self-destruction signal triggering.When the self-destruction signal triggering, except SRAM, the circuit of all self-destruction logical designs all is under the power supply protection of power down protection program, and promptly no matter whether primary power is cut off, and does not influence the self-destruction logic working.

In a single day sensor is triggered, produce trigger pip immediately to primary memory and PSAM card, destroy primary memory and PSAM card institute's program stored and data, the content that ensures the storage of primary memory and PSAM card is not stolen, by this security mechanism and safeguard procedures are set, strengthened the security of terminal, payment terminal can be connected in any place safely, and then made payment convenient more.

Should be pointed out that the above embodiment can make those skilled in the art more fully understand the utility model, but limit the utility model never in any form.Therefore, although this instructions has been described in detail the utility model with reference to drawings and Examples,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all is encompassed in the middle of the protection domain of the utility model patent.

Claims

1, a kind of many keys payment terminal, the processor, the remote communication module that comprise shell, enclosure, the display screen of housing exterior, keyboard, magnetic stripe reader, IC-card card reader, serial communication interface, it is characterized in that, enclosure also comprises Dram, primary memory, the PSAM card that links to each other with processor respectively, the self-desttruction equipment that links to each other with the PSAM card with primary memory respectively, the work space that needs when described Dram provides computing for processor; Described primary memory adopts SRAM, is used for storage terminal software module, operational data, realizes self-destruction; The built-in little process chip of described PSAM card is stored many group keys, cryptographic algorithm and system number; Described self-desttruction equipment comprises sensor, when sensor monitors when shell moves or be opened, self-desttruction equipment can produce one and control signal to the power switch of primary memory and it is closed, and cuts off the power supply of primary memory, thereby destroys the data of main memory store; Self-desttruction equipment also produces a trigger pip to the PSAM card simultaneously, starts the self-destruction mechanism of PSAM card inside, destroys the key and the cryptographic algorithm of PSAM card storage.

2, many keys payment terminal according to claim 1 is characterized in that also comprising the printer that is arranged on housing exterior, is used to print the output of payment terminal.

3, many keys payment terminal according to claim 1 and 2 is characterized in that described many group keys are the key of a plurality of credit card issuers.

4, many keys payment terminal according to claim 1 and 2 is characterized in that described Dram is RAM or EPROM.

5, many keys payment terminal according to claim 1 and 2 is characterized in that described sensor is optical sensor or displacement transducer.