CN103578203B - The implementation method of finance tax data processing terminal - Google Patents
The implementation method of finance tax data processing terminal Download PDFInfo
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- CN103578203B CN103578203B CN201310531403.4A CN201310531403A CN103578203B CN 103578203 B CN103578203 B CN 103578203B CN 201310531403 A CN201310531403 A CN 201310531403A CN 103578203 B CN103578203 B CN 103578203B
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Abstract
Present invention is disclosed handheld financial tax data processing terminal and its implementation, collection financial transaction, tax control and data acquisition certification, commercial gathering functions is among single handheld device, this terminal has processor unit, external memory unit, ethernet communication unit, device controller and being connected with processor unit and user oriented input-output unit, wherein processor unit is the integrated microcontroller of height of ARM architecture, and inside is integrated with financial transaction procedure, tax control program and data acquisition authentication procedure, finance tax data processing terminal is by input and output end member and ethernet communication unit and POS trade company, user's IC-card, tax system server info is mutual.Apply financial tax data processing terminal, the multifunctional application demands such as commercial gathering, tax control, finance can be realized by the handheld device of a compact, be convenient to user and carry out operation operation and taxation declaration, effectively can reduce design of system integration, and provide equipment more reliable application performance.
Description
Technical field
The present invention relates to a kind of tax control cash receiving equipment, be specifically related to a kind of handhold portable finance tax data processing terminal integrating the multi-function services such as tax control, gathering, data acquisition certification.
Background technology
Handheld financial tax data acquisition terminal is the acquisition terminal of band financial transaction, taxing, gathering functions, be widely used in the industry-by-industries such as tax system, large, medium and small type commodity retail industry, logistics, land tax system catering trade, service sector, show business, handheld financial tax data acquisition terminal is the new industry that national information engineering drives, but the processor chips of the main product occurred in the market are mostly that existing function more and more can not meet the demand of client based on 8 or 16 single-chip microcomputers.
Robotization is the modern important content of commercial distribution.The POS that we mention at ordinary times refers to point of sale end, and it only possesses single finance trade function.Many consumption places need to use commercial cash register to scan commodity as market etc., after typing, re-use POS and carry out cash register, the work such as bill printing and data management.Bring operation so loaded down with trivial details, easily make mistakes.Above two product is all autonomous system, needs different platform to support it, waste social resources.Meanwhile, along with commercial distribution modernization, financial tax data acquisition terminal also development, to microminiaturization, networking and multi-functional future development, thus make electronic cash register develop into the very strong commercialization specialty terminal system of function.Emerging of finance tax data processing terminal has important realistic meaning for raising commercial management level:
The first, consumption demand and the buying behavior of understanding grasp client is conducive to.By to selling and the grasp of product information and processed and applied, contributing to operator and fullying understand market, making correct decisions, improving management level and competitiveness.
The second, be conducive to accurately grasping business management situation and operation result, in time, effectively adjust the management tactics of business, for business system.
Three, be conducive to strengthening business management management and improve supply and marketing.By using financial tax data processing terminal, the efficiency of management of retail trade in procurement of commodities, storage, sales process effectively can be improved.Such as by grasping minimum quantity of stores, calculate best order quantity, and sell with optimal discount, the employing of financial tax data processing terminal can improve clearing speed and accuracy rate greatly, reduces employee work intensity.
Finance tax data processing terminal refers to the processing terminal with specific tax control function.Tax control cash receiving project is a complete resolution system relating to the aspects such as tax administration, commercial function management, data encryption and data transmission technology, also need the demand meeting tax function, as managing bill, tax administration, data declaration etc., and the technical matters such as data base administration and interface.Therefore, in extension process, that meet above-mentioned business and technical need, that there is own characteristic system scheme need be provided to tax administration agency and user.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the present invention aims to provide a kind of financial tax data processing terminal and its implementation, realizes the multifunctional application of financial tax data processing terminal.
The above-mentioned object of the present invention, to be achieved by the following technical programs: handheld financial tax data processing terminal, collection financial transaction, tax control and data acquisition certification, commercial gathering functions is among single handheld device, it is characterized in that: described handheld financial tax data processing terminal has processor unit, external memory unit, ethernet communication unit, device controller and being connected with processor unit and user oriented input-output unit, wherein said processor unit is the integrated microcontroller of height of ARM architecture, and inside is integrated with financial transaction procedure, tax control program and data acquisition authentication procedure, handheld financial tax data processing terminal is by input-output unit and ethernet communication unit and POS trade company, user's IC-card, tax system server info is mutual.
Preferably, the integrated microcontroller of described height has ARM926EJ-S core 16KB data buffer storage and 32KB instruction cache; 384MHz core work frequency, by PLL192MHz multilayer AHB bus matrix; The secure boot loader of public keys checking; AES, DES and SHA hardware accelerator; Support the modular arithmetic hardware accelerator of RSA, DSA and ECDSA; Safety keyboard controller; Hardware real random number generator; Mould shield and Dynamic Fault-Detection; The external sensor pair of 6 independently stochastic and dynamic Changing Patterns; 256 AES are based on the non-volatile key storage of trigger; Temperature and voltage distort monitor; Real-time encrypted and the integrity checker of external memory unit.
Preferably, described input-output unit comprises one or more combinations in basic display unit, objective display, multidimensional code reader, printer, button module, IC card reader, USB interface module, RFID radio frequency Card Reader module.
Preferably, described handheld financial tax data processing terminal is provided with GPS positioning module, is connected with processor unit.
The present invention's another object above-mentioned, will be achieved by the following technical programs: a kind of implementation method of financial tax data processing terminal, realize, it is characterized in that comprising based on aforementioned terminals:
Commercial gathering transaction step, by input-output unit items scanning set by handheld financial tax data processing terminal, and perform transaction program by processor unit and carry out storewide price and present, to add up and result presents, and carry out cash register, bill printing and data maintenance;
Tax-control data gathers authenticating step, interconnected with tax system server info under the support of communication network by ethernet communication unit set by handheld financial tax data processing terminal, and perform tax control program by processor unit and carry out managing bill, tax administration and data declaration, and the data processing related in tax control process, transmission all do encryption;
Transaction steps, to be blended in finance gathering step and to utilize processor unit to perform data acquisition authentication procedure for the certification of user's IC-card, comprise static data certification and Dynamic Data Authentication two parts, wherein static data certification is the integrality of intrinsic static data in authenticated IC, and Dynamic Data Authentication is that certification is left user's IC-card in and neutralized the data generated by user's IC-card and the legitimacy of collecting the data obtained from input-output unit; In described static data certification, intrinsic static data comprises the static application data of authentication center's PKI index, credit card issuer public key certificate, signature in user's IC-card, the remainder of hair fastener PKI, credit card issuer public exponent and every identifying code.
Remarkable result after technical solution of the present invention application implementation is: can realize the multifunctional application demands such as gathering, tax control, finance by the handheld device of a compact, be convenient to user and carry out operation operation and taxation declaration, substantially increase the comprehensive experience of user, and processor unit provides more connectivity option and perfect safety monitoring mechanism, effectively can reduce design of system integration, and provide equipment more reliable application performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of handheld financial tax data processing terminal of the present invention.
Embodiment
Below just the specific embodiment of the present invention is described in further detail, is easier to make technical solution of the present invention understand, grasp.
The present invention is intended to performance history and the step of introducing handheld financial tax data processing terminal, first by the demand analysis to handheld financial tax data processing terminal in development process, provide General layout Plan, and analyze the principle of work of handheld financial tax data processing terminal, then according to terminal system to the requirement determination microprocessor of hardware and peripheral interface chip, select suitable development board to be used as the evaluation board of this system development simultaneously, the last Software for Design that this system is discussed on the basis of hardware design, mainly comprise embedded OS customization, design of Device Drivers and system software modular design.Below respectively from hardware design and Software for Design two aspect, handheld financial tax data processing terminal of the present invention is elaborated respectively.
One, hardware plan design: financial tax data processing terminal refers to the acquisition terminal with specific tax control function and financial transaction, so-called specific tax control function refers to the correct generation that can ensure data and can realize the function such as tax administration and inspection.So-called financial transaction must guarantee data security transmission, and reliable memory, prevents other people from stealing, must have very strong defense.
Consider high performance-price ratio and high reliability according to above-mentioned requirements hardware design, Software for Design is considered the stability of system, real-time and reliability.The highest high integration microcontroller of the safe class in the industry of ARM architecture can be chosen according to the exploitation of this principle system.The security feature of device advanced person meets up-to-date safety standard requirement, desirable for financial terminal and tax-control data process trusted device, as the single chip secure microcontroller of financial terminal application, performance and the early stage of controller, those needed being designed with of more discrete component to significantly improve.Compared with contention scheme, single chip secure microcontroller has more connectivity option, adopts advanced safety technique to guarantee to meet safety standard up-to-date in the industry.External memory storage encryption and completeness check simplify design of system integration greatly, protect IP better, provide more powerful omnibearing protection for various attack.Height Integrated Solution significantly can reduce design size and scheme implementation cost.
This handheld financial tax data processing terminal as shown in Figure 1, its shell mechanism comprises upper cover 11, the lower cover 12 of thinking clamping and is integrated in printer cover 13, the battery cover 14 of lower cover 12.From diagram, this shell mechanism has compact, is suitable for hand-held feature.From enclosure: it has one piece of mainboard 3, and on mainboard, be integrated with processor unit, device controller, external memory unit, ethernet communication unit be connected with printer 4, two-dimentional head reader 5, magnetic card mounting bracket 7, battery case 8, button 6, basic display unit 21 and objective display 22.Wherein two displays and printer are user oriented output unit, and button, two-dimentional head reader and magnetic card mounting bracket form user oriented input block.
The handheld financial tax data processing terminal of this multifunctional unit, collects financial transaction, tax control and data acquisition certification, commercial gathering functions among single handheld device.Its feature being different from prior art has processor unit for this handheld financial tax data processing terminal, external memory unit, ethernet communication unit, device controller and being connected with processor unit and user oriented input-output unit, wherein said processor unit is the integrated microcontroller MAX32590 of height of ARM architecture, and inside is integrated with financial transaction procedure, tax control program and data acquisition authentication procedure, handheld financial tax data processing terminal is by input and output end member and ethernet communication unit and POS trade company, user's IC-card, tax system server info is mutual.
As further refinement and the optimization of the present invention program, high integrated microcontroller has ARM926EJ-S core 16KB data buffer storage and 32KB instruction cache; 384MHz core work frequency, by PLL192MHz multilayer AHB bus matrix; The secure boot loader of public keys checking; AES, DES and SHA hardware accelerator; Support the modular arithmetic hardware accelerator of RSA, DSA and ECDSA; Safety keyboard controller; Hardware real random number generator; Mould shield and Dynamic Fault-Detection; The external sensor pair of 6 independently stochastic and dynamic Changing Patterns; 256 AES are based on the non-volatile key storage of trigger; Temperature and voltage distort monitor; Real-time encrypted and the integrity checker of external memory unit.
This input-output unit comprises one or more combinations in basic display unit, objective display, multidimensional code reader, printer, button module, IC card reader, USB interface module, RFID radio frequency Card Reader module.Those input-output units and processor unit, external memory unit, ethernet communication unit, device controller or mobile battery etc. are all integrated on same mainboard.In addition, this handheld financial tax data processing terminal is also integrated is provided with GPS positioning module, is connected with processor unit.
The handheld financial tax data processing terminal of above-mentioned hardware design has the advantage of following aspect of performance:
1. high integration effectively reduces costs: ARM926 kernel can realize video playback; Two external memory controllers; Expansion connectivity option comprises 10/100 ethernet mac and usb host and device controller.
2. protect external memory storage: exclusive online external memory storage encryption and completeness check function.
3. high safety: 24kBAES user can encrypt NVSRAM and 256 trigger key and store, and can wipe immediately when distorting event; Dynamic pickup and environmental sensor controller are used for intrusion detection; Hardware cryptographic engine; Based on the secure loading device of PKI.
The physical security of the advanced person that 4.DeepCover embedded-type security solution is multi-level, provides the sensitive data of safest key storage.
Especially, about MAX32590 treatment tool for following key characteristic: ARM926EJ-S core 16KB data buffer storage and 32KB instruction cache; 384MHz core work frequency, by PLL192MHz multilayer AHB bus matrix; The secure boot loader of public keys checking; AES, DES and SHA hardware accelerator; The hardware accelerator (MAA) of modular arithmetic, supports RSA, DSA and ECDSA; Safety keyboard controller; Hardware real random number generator; Mould shield and Dynamic Fault-Detection; The external sensor pair of 6 independently stochastic and dynamic Changing Patterns; 256 AES are based on the non-volatile key storage of trigger; Temperature and voltage distort monitor; Real-time encrypted and the integrity checking of external memory storage, there is 384KB system SRAM in addition, 4KB instruction TCM, 4KB data TCM, user can encrypt NVSRAM24KBAES, the controller (LPDDR400 of two external memory storage, SDRAM, SRAM, NOR flash memory, nand flash memory) 3KB user-programmable OTP.
Two, software plan design: the design indicates of application software is in the realization of tax-control data process and financial transaction, the large major function of commercial gathering functions three, and details are as follows respectively.In view of software program aspect specific algorithm and be designed to the design of those skilled in the art's combination product concrete function and hardware structure easily improves and writes, and its specific algorithm is ever-changing, so hereby it will not go into details in the concrete enforcement of software section, only the software design requirement of each function is described in detail respectively, to make those skilled in the art can as reference.
Tax control function mainly contains following several aspect:
1. initialization operation: initialization needs and subscriber card complete booking and operate with record ticket, otherwise tax control machine can not be made out an invoice;
2. make out an invoice (comprising invalidated ticket, returned ticket) operation: after booking and typing invoice, finance tax data processing terminal just can carry out making out an invoice operating, system is responsible for splitting ticket data and is carried out validity checking, and it is accumulative to carry out classification according to tax category tax items call number to the amount of money of making out an invoice, upgrade Day Trading record, finally generate invoice tax-control code, financial tax data processing terminal preservation invoice is detailed, renewal day is accumulative, printed invoice;
3. declare dutiable goods, operation of paying taxes: realize related application by the tax system server of embedded Linux system and docking;
4. whether and declare the data consistent bringing tax administration system the tax verifies operation: when the tax authority wants to check the trading situation in financial tax data processing terminal, can issue control card and the machine carry black box function and verify invoice detail on financial tax data processing terminal, Day Trading data, declaration data by tax administration system.
Financial transaction mainly contains following several aspect:
1. initialization on line operation: initialization needs and IC-card complete to be connected and detect, card inserts and detects, otherwise IC-card can not operate.
2. transaction flow: 1). static data certification (SDA) certification; Refer to that certification credit card issuer confirms to need in IC-card the integrality of the intrinsic static data of certification, in the process of static data certification, the legitimacy of static data on terminal authentication card, SDA can confirm that the credit card issuer application data on card is not illegally distorted after card personalization.The object of SDA confirms to leave being identified by application file steady arm (AFL) and the list of optional static data authenticating tag in IC-card in, the legitimacy of crucial static data, thus ensure that the credit card issuer data in IC-card are not illegally distorted after individualized.Following data element should be comprised: the static application data of authentication center's PKI index, credit card issuer public key certificate, signature, the remainder of hair fastener PKI, credit card issuer public exponent after IC-card is individualized; In order to support static data certification, every station terminal should be able to store six authentication center's PKIs for the application provider of each registration identifies (RID), and the key information relevant with key must be made can be associated with each key;
2). Dynamic Data Authentication (DDA) certification; The object of DDA confirms to leave in the legitimacy of data that IC-card neutralizes the critical data that generated by IC-card and receive from terminal.DDA, except performing with the similar static data verification process of SDA, guarantees that the credit card issuer data in IC-card are not illegally distorted after individualized, can also prevent any possibility of forging such card.
3. on-line interaction; Carry out data transmission, checking.
4. closing the transaction checking.
By above to financial tax data processing terminal structure and the many-sided detailed introduction of functional realiey, can know that comparing to prior art after understanding this technical scheme of application implementation has significant technique effect: gathering can be realized by the handheld device of a compact, tax control, the multifunctional application demands such as data acquisition certification, be convenient to user and carry out operation operation and taxation declaration, substantially increase the comprehensive experience of user, and processor unit provides more connectivity option and perfect safety monitoring mechanism, effectively can reduce design of system integration, and provide equipment more reliable application performance.
In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (1)
1. the implementation method of a financial tax data processing terminal, based on collection financial transaction, tax control and data acquisition certification, the handheld financial tax data processing terminal of commercial gathering functions among single handheld device realizes, described handheld financial tax data processing terminal has processor unit, external memory unit, ethernet communication unit, device controller and being connected with processor unit and user oriented input-output unit, wherein said processor unit is the integrated microcontroller of height of ARM architecture, and inside is integrated with financial transaction procedure, tax control program and data acquisition authentication procedure, handheld financial tax data processing terminal is by input-output unit and ethernet communication unit and POS trade company, user's IC-card, tax system server info is mutual, it is characterized in that comprising step:
Commercial gathering transaction step, by input-output unit items scanning set by handheld financial tax data processing terminal, and perform transaction program by processor unit and carry out storewide price and present, to add up and result presents, and carry out cash register, bill printing and data maintenance;
Tax-control data gathers authenticating step, interconnected with tax system server info under the support of communication network by ethernet communication unit set by handheld financial tax data processing terminal, and perform tax control program by processor unit and carry out managing bill, tax administration and data declaration, and the data processing related in tax control process, transmission all do encryption;
Transaction steps, to be blended in finance gathering step and to utilize processor unit to perform data acquisition authentication procedure for the certification of user's IC-card, comprise static data certification and Dynamic Data Authentication two parts, wherein static data certification is the integrality of intrinsic static data in authenticated IC, and Dynamic Data Authentication is that certification is left user's IC-card in and neutralized the data generated by user's IC-card and the legitimacy of collecting the data obtained from input-output unit; In described static data certification, intrinsic static data comprises the static application data of authentication center's PKI index, credit card issuer public key certificate, signature in user's IC-card, the remainder of hair fastener PKI, credit card issuer public exponent and every identifying code.
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| CN1598843A (en) * | 2004-08-09 | 2005-03-23 | 湖南威远信息技术有限公司 | Tax control cash register |
| CN200993804Y (en) * | 2006-12-20 | 2007-12-19 | 航天信息股份有限公司 | Financial tax-controlling cash register |
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