CN1315054C

CN1315054C - A smart card simulating card

Info

Publication number: CN1315054C
Application number: CNB2003101226810A
Authority: CN
Inventors: 许国泰
Original assignee: Shanghai Huahong Integrated Circuit Co Ltd
Current assignee: Shanghai Huahong Integrated Circuit Co Ltd
Priority date: 2003-12-24
Filing date: 2003-12-24
Publication date: 2007-05-09
Anticipated expiration: 2023-12-24
Also published as: CN1632762A

Abstract

The present invention discloses a smart simulation card, and the purpose thereof is to provide a smart simulation card used for the test and the identification processes of a smart card program. The smart simulation card of the present invention comprises a simulation chip for replacing an object chip, an EPROM for replacing a mask memory in an object chip, a clock configuration jumper structure, a power configuration jumper structure, a clock input interface structure and a power input interface structure. The present invention is used for the test and the identification processes of a smart card by the arrangement of a jumper and the use of an input interface and the process of the high low bias test specified by the ISO7816 protocol. After the present invention is used for carrying out a test, a final smart card product having good compatibility to reader-writers of various types can be ensured.

Description

A kind of intelligent card artificial card

Technical field

The present invention relates to a kind of intelligent card artificial card, more particularly, it relates to a kind of test of smart card programs and intelligent card artificial card of verification process of being used for.

Background technology

In the smart card master routine of MCU partly be Chip Operating System (hereinafter to be referred as COS) all be usually when chip production with regard to mask interior, after finishing, production generally can't make amendment to the COS program again, therefore for the consideration that reduces production risk, the COS program must be guaranteed its correctness through strict test and authentication before carrying out mask.

In the writing and debug of COS program, employed instrument generally is that intelligent card emluator cooperates the read-write facility, but intelligent card emluator itself is as a system product, even do perfectly again, still there is difference in the process of the process of emulation COS program and real smartcard operation COS program, in order to improve the confidence level of COS program to greatest extent, must shield the influence that intelligent card emluator may exist and carry out every test, authentication at mask Pretesting, verification process.

Summary of the invention

The objective of the invention is to propose a kind of intelligent card artificial card, make it both can be with the state work of approaching true card, also can draw under the different clocks that is operated in partially in the scope that meets IS07816 agreement regulation, the power source features parameter, with satisfied demand, thereby guarantee that final smart card product has favorable compatibility to each model read-write heads to COS program test, verification process.

In order to solve the problems of the technologies described above, intelligent card artificial card of the present invention links to each other with the external power source output device with external clock generation equipment or links to each other with the read-write facility, and the setting by wire jumper and the use of input interface are used for test, verification process and the high low bias test process of smart card programs; It comprises emulation chip (being called for short EV-CHIP), EPROM, clock configuration jumper wire construction, power configuration jumper wire construction, clock input interface structure, power input interface structure, wherein, described clock input interface structure transfers to described clock configuration jumper wire construction with the clock signal of external clock generation equipment output; Described power input interface structure transfers to described power configuration jumper wire construction with the power supply signal of transmit outer power supply output device output; Described clock configuration jumper wire construction transfers to described emulation chip with the clock signal of the external clock generation equipment output accepted or the clock signal that the read-write facility send; Described power configuration jumper wire construction transfers to described emulation chip with the power supply signal of the external power source output device output accepted or the power supply signal that the read-write facility provide; Deposit user program among the described EPROM and use as program storage, described emulation chip is connected with EPROM by data, address bus, and described emulation chip reads user program by data, address bus from described EPROM when work.

The present invention can also be: described clock input interface structure comprises that an external clock sends out interface clock signal and an earth signal interface of equipment output; Described power input interface structure comprises power supply signal interface and earth signal interface of an external power source output device output; Described clock configuration jumper wire construction comprises clock signal input interface and defeated interface of clock signal that the read-write facility send of employed two the clock signal output interfaces of artificial card, an external clock generation equipment output; Described power configuration jumper wire construction comprises power supply signal input interface and source signal input interface that the read-write facility provide of employed two power output interfaces of artificial card, an external power source output device output.

Compared with prior art, the invention has the beneficial effects as follows: the present invention is by the configuration of several groups of wire jumpers on artificial card, the use of input interface, just can make same artificial card both can test, authenticate, carry out high low bias test under also can be in the scope that meets IS07816 agreement regulation different clocks, the power supply characteristic with the state of approaching true card.Therefore, this artificial card will bring great convenience to test job, also can make test, verification process have preferable confidence level, guarantees that final smart card product has favorable compatibility to each model read-write heads.

Description of drawings

Fig. 1 is the structured flowchart that artificial card is realized clock, power configuration;

Fig. 2 is the user mode synoptic diagram of artificial card and real smartcard;

Fig. 3 is a clock configuration jumper wire construction synoptic diagram of the present invention:

Fig. 4 is a power configuration jumper wire construction synoptic diagram of the present invention;

Fig. 5 is a clock input interface structural representation of the present invention;

Fig. 6 is a power input interface structural representation of the present invention;

Setting, connection when Fig. 7 is the real card working condition of emulation card simulates real of the present invention;

Fig. 8 is setting, the connection of emulation card of the present invention when drawing inclined to one side clock, power supply test.

Wherein, 1 is clock input interface structure; 2 is the power input interface structure; 3 are clock configuration jumper wire construction; 4 is the power supply jumper wire construction; 5 is emulation chip (EV-CHIP); 6 is EPROM; 7 is external clock generation equipment; 8 is the external power source output device; 9 are the read-write facility; 10 is real smartcard; CLK is the employed clock signal of artificial card; CLK1 is the clock signal of external clock generation equipment output; The clock signal that CLK2 sends for the read-write facility; Vp is the employed power supply of artificial card; V1 is the power supply signal of external power source output device output; The power supply signal that V2 provides for the read-write facility; GND: earth signal.

Embodiment

Below in conjunction with drawings and Examples the present invention is further described.

As shown in Figure 1, intelligent card artificial card of the present invention comprises emulation chip 5, EPROM 6, clock configuration jumper wire construction 3, power configuration jumper wire construction 4, clock input interface structure 1, power input interface structure 2.Wherein, clock input interface structure 1 transfers to clock configuration jumper wire construction 3 with the clock signal clk 1 of external clock generation equipment 7 outputs; Power input interface structure 2 transfers to power configuration jumper wire construction 4 with the power supply signal transmission V1 of external power source output device 8 outputs.Clock configuration jumper wire construction 3 transfers to emulation chip 5 with the clock signal clk 1 of the external clock generation equipment output accepted or the clock signal clk 2 that read-write facility 9 send; Power configuration jumper wire construction 4 transfers to emulation chip 5 with the power supply signal V1 of the external power source output device output accepted or the power supply signal V2 that read-write facility 9 provide.It links to each other with external power source output device 8 with external clock generation equipment 7 or links to each other with read-write facility 9, and the setting by wire jumper and the use of input interface are used for test, verification process and the high low bias test process of smart card programs.In the test of simulating true card working condition, verification process, CLK2 and V2 that CLK and Vp select the read-write facility to provide.In the high low bias test process, CLK1 and V1 that CLK and Vp select outside generation equipment to provide, and the characteristic parameter of CLK1 and V1 can be adjusted as requested.

Figure 2 shows that the user mode of artificial card and real smartcard, can find from figure that the emulation chip 5 of artificial card has substituted the objective chip of real smartcard 10, EPROM 6 has substituted mask storer in the objective chip.Compare with the real smartcard user mode, artificial card is all very approaching with true card at aspects such as structure, configuration, function and use-patterns, different only be with the objective chip of EV-CHIP 5 alternative package in smart card, substitute the mask storer with EPROM 6, to greatest extent near the duty of true card, and its course of work is to break away from intelligent card emluator fully.

Deposit user program among the described EPROM 6 and use as program storage, described emulation chip 5 is connected with EPROM 6 by data, address bus, and emulation chip 5 reads user program by data, address bus from EPROM 6 when work.

Fig. 3～Fig. 6 is the structural representation of clock configuration jumper wire construction 3, power configuration jumper wire construction 4, clock input interface 1, power input interface 2 in the specific embodiment of the invention.From figure as can be seen, clock configuration jumper wire construction 3 of the present invention comprises clock signal clk 1 input interface and clock signal clk 2 input interfaces that the read-write facility send of two employed clock signal clk output interfaces of artificial card, an external clock generation equipment output.Power configuration jumper wire construction 4 comprises power supply signal V1 input interface and power supply signal V2 input interface that the read-write facility provide of two the employed power supply Vp of artificial card output interfaces, an external power source output device output.Clock input interface structure 1 comprises clock signal clk 1 interface and earth signal GND interface of an external clock generation equipment output; Power input interface structure 2 comprises power supply signal V1 interface and earth signal GND interface of an external power source output device output.

Fig. 7 is setting, the connection when the artificial card simulation truly blocks working condition in the specific embodiment of the invention.In the test of the true card of simulation working condition, verification process, CLK2 and V2 that CLK and Vp select the read-write facility to provide, what promptly the emulation card used is exactly from the clock signal clk 2 and the power supply V2 that read and write facility.Clock configuration jumper wire construction 3 selects wire jumper to connect CLK output interface and CLK2 input interface, and power configuration jumper wire construction 4 selects wire jumper to connect Vp output interface and V2 input interface.This state is consistent with the user mode of true IC-card.

Fig. 8 is setting, the connection when the inclined to one side clock of emulation OK a karaoke club, power supply test in the specific embodiment of the invention.In the high low bias test process, CLK1 and V1 that CLK and Vp select outside generation equipment to provide, artificial card use is exactly from the clock signal clk 1 of external clock generation equipment with from the power supply V1 of external power source output device.The clock signal clk 1 of external clock generation equipment output is connected to the clock input interface structure 1 on the artificial card, the power supply signal V1 of external power source output device output is connected to the power input interface structure 2 on the artificial card, clock configuration jumper wire construction 3 selects wire jumper to connect CLK output interface and CLK1 input interface, and the power configuration jumper wire construction selects wire jumper to connect Vp output interface and V1 input interface.The characteristic parameter of CLK1 and V1 can be adjusted as requested, by adjusting external clock generation equipment 7 and the clock of external power source output device 8 outputs and the characteristic parameter of power supply, can realize drawing inclined to one side artificial card work clock or power source features parameter, the purpose of test, authentication COS program.

In sum, the present invention on artificial card by the configuration of several groups of wire jumpers, the use of input interface, make same artificial card both can test, authenticate, carry out high low bias test under also can be in the scope that meets IS07816 agreement regulation different clocks, the power supply characteristic with the state of approaching true card.

Claims

1, a kind of intelligent card artificial card, link to each other with the external power source output device with external clock generation equipment or link to each other with the read-write facility, it is characterized in that, comprise emulation chip, EPROM, clock configuration jumper wire construction, power configuration jumper wire construction, clock input interface structure, power input interface structure, wherein

Described clock input interface structure transfers to described clock configuration jumper wire construction with the clock signal of external clock generation equipment output;

Described power input interface structure transfers to described power configuration jumper wire construction with the power supply signal of transmit outer power supply output device output;

Described clock configuration jumper wire construction transfers to described emulation chip with the clock signal of the external clock generation equipment output accepted or the clock signal that the read-write facility send;

Described power configuration jumper wire construction transfers to described emulation chip with the power supply signal of the external power source output device output accepted or the power supply signal that the read-write facility provide;

Deposit user program among the described EPROM and use as program storage, described emulation chip is connected with EPROM by data, address bus, and described emulation chip reads user program by data, address bus from described EPROM when work.

2, intelligent card artificial card as claimed in claim 1 is characterized in that, described clock input interface structure comprises interface clock signal and earth signal interface of an external clock generation equipment output.

3, intelligent card artificial card as claimed in claim 1 is characterized in that, described power input interface structure comprises power supply signal interface and earth signal interface of an external power source output device output.

4, intelligent card artificial card as claimed in claim 1, it is characterized in that described clock configuration jumper wire construction comprises clock signal input interface and clock signal input interface that the read-write facility send of employed two the clock signal output interfaces of artificial card, an external clock generation equipment output.

5, intelligent card artificial card as claimed in claim 1, it is characterized in that described power configuration jumper wire construction comprises power supply signal input interface and power supply signal input interface that the read-write facility provide of employed two power output interfaces of artificial card, an external power source output device output.