JPH07311684A - Method for generating pattern file for ic card access - Google Patents

Abstract

PURPOSE:To efficiently generate the pattern file which is usable for actural access on the basis of a pattern file in different format. CONSTITUTION:A signal transmission line is formed between an IC card wherein a CPU is incorporated and a reader writer device which accesses this IC card; and a specific command is sent from the reader writer device to the IC card through the signal transmission line and a response corresponding to the command is sent back to the reader writer device from the IC card. To perform the going process and return process mentioned above, a pattern file wherein commands and responses are arranged is generated. Pattern files in different formats A, B, and C which are delivered from respective companies are converted temporarily into intermediate pattern files described in specific command format M, and those intermediate pattern files are converted into pattern files described in formats P, Q, and R that respective reader writer devices P, Q, and R request.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of creating a pattern file for accessing an IC card, and more particularly to a pattern file that is described in various formats and is converted into a form that can be used for actual access. How to create a pattern file.

[0002]

2. Description of the Related Art IC cards have been attracting attention as new information storage media replacing magnetic cards. Especially CPU
Since the IC card having a built-in card can ensure a high degree of security for the information stored inside, it is expected to be widely used in the field of handling important information.

At present, IC cards which are generally popular are accessed by a reader / writer device. In particular,
In an IC card with a built-in CPU, a CP in the reader / writer device and the IC card is inserted via an interface circuit.
U and U are connected by a signal transmission line, and information is exchanged between them via this signal transmission line. In this case, the information is transmitted from the reader / writer device to the IC card in the form of a command, and conversely, the information is transmitted from the IC card to the reader / writer device in the form of a response to the command. Based on the command given from the reader / writer device, the CPU in the IC card executes various processes such as resetting, writing to and reading from the built-in memory, and outputs the execution result to the reader / writer device side in the form of a response. Will be returned. For example, when a reset command is given from the reader / writer device side, the IC
After executing the reset process, the CPU on the card side returns a predetermined code indicating the execution of the reset process to the reader / writer device side as a response. Further, when a command to write predetermined data together with predetermined data is given as a command from the reader / writer device side, the CPU on the IC card side executes the process of writing the data given as the command in the internal memory, and then Information indicating whether the data has been written correctly or an error has occurred is returned to the reader / writer device as a response.

As described above, information is exchanged between the reader / writer device and the IC card by transmitting / receiving a command from the reader / writer device side to the IC card side and returning a response from the IC card side to the reader / writer device side. It is performed by alternately repeating processing and processing. The reader / writer device side can judge whether or not the previously given command is correctly executed based on the response returned from the IC card side by the reply process. In order to smoothly perform such access processing to the IC card, a pattern file is usually prepared on the reader / writer device side. A pattern file that is currently generally used is composed of a table in which commands and responses expected to be returned in response to the commands are alternately arranged. That is, a pattern file including a table in which commands and responses are alternately arranged, such as command, response, command, response, command, ... Is prepared, and the reader / writer device follows the order of the pattern files.
The command is transmitted, and the response actually returned in response to this is compared with the response in the pattern file.

[0005]

As described above, the pattern file is a file used by each reader / writer device to smoothly access the IC card.
Therefore, the format of the pattern file depends on the reader / writer device to be used, and in reality, the format of the pattern file is different for each reader / writer device. Further, various reader / writer devices have their own prominent processes and unfavorable processes, and it is generally practiced to properly use a plurality of types of reader / writer devices depending on the process performed on the IC card. Moreover,
Designers who first design a pattern file also tend to describe the pattern file in their preferred format.
Therefore, even if an IC card is actually accessed by using a predetermined reader / writer device based on the designed pattern file, the original pattern file is usually used for accessing the IC pattern because the format is different. The process of rewriting to a file is required.

[0006] In particular, a company outsourced to perform IC card issuing processing and verification processing based on a pattern file designed by a user creates a pattern file for access due to such a difference in format. The work is very complicated. That is, the pattern files described in different formats are received from a plurality of users, and based on these pattern files, I
In order to perform various processing operations on the C card, it is necessary to rewrite the pattern files in these various formats so as to match the formats of the reader / writer device used for actual access.

Therefore, an object of the present invention is to provide a pattern file creating method capable of efficiently creating a pattern file that can be used for actual access based on pattern files of different formats.

[0008]

[Means for Solving the Problems]

(1) According to a first aspect of the present invention, a signal transmission path is formed between an IC card having a built-in CPU and a reader / writer device for accessing the IC card, and the signal transmission path is provided via this signal transmission path. Based on a pattern file in which commands and responses are arranged, the communication process and the reply process of transmitting a predetermined command from the reader / writer device to the IC card and returning a response corresponding to the command from the IC card to the reader / writer device are performed. By executing, IC
When a card is accessed, in a method of creating a pattern file used for access, a source pattern file described in various formats is converted into an intermediate pattern file rewritten in a predetermined common format. And the second step of converting this intermediate pattern file into a pattern file used for actual access, which has been rewritten in the format required by each reader / writer device. .

(2) A second aspect of the present invention is the above-mentioned first aspect.
In the method of creating a pattern file according to this aspect, the character string forming the original pattern file is a transmission data section that actually transmits the signal transmission path, and a partition section that does not actually transmit the signal transmission path, , And the delimiter part is replaced with a predetermined common delimiter part so as to be converted into an intermediate pattern file.

[0010]

[Operation] In the pattern file creating method according to the present invention, the pattern file which is the basis of the description by the designer is
Once converted into an intermediate pattern file having a predetermined common format, the intermediate pattern file is then converted into a pattern file of a predetermined format required by each reader / writer device. By rewriting through the intermediate pattern file in this way, the work becomes very efficient. In particular, if the delimiter part is replaced with a predetermined common delimiter part to perform conversion to an intermediate pattern file, the conversion can be performed mechanically, and automatic conversion using a computer is performed. Will be possible.

[0011]

The present invention will be described below with reference to illustrated embodiments. First, based on the block diagram shown in FIG. 1, a conventional general access processing procedure for an IC card having a built-in CPU will be described. Here, two IC cards 1
An example will be described in which 0 and 20 are simultaneously connected to the reader / writer device 30 and both IC cards 10 and 20 are appropriately accessed. For example, when issuing one IC card as a membership card to a large number of members, the IC card 10 to be issued and the IC card 2 that functions as a key card in the issuing business.
If 0 and 0 are connected to the reader / writer device 30 to perform issuing work, security can be improved. That is, the IC card 2 as a key card
Unless 0 is used, the issuing business cannot be performed. Therefore, if the IC card 20 is properly managed, it is possible to prevent the membership card (IC card 10) from being issued by an illegal method.

As shown in FIG. 1, a typical IC
The card 10 includes an I / O interface 11 and a CPU
12, ROM 13, RAM 14, and EEPROM 1
5 and are built in. I / O interface 11
Is a device having a function of exchanging information with the outside via a signal transmission path 31 formed between the reader / writer device 30. The signal transmission path 31 may be formed as an electrical wiring path or may be formed as an electromagnetically coupled space path. Reader / writer device 30
From the I / O interface 1 via the signal transmission line 31
The information given to 1 is transmitted to the CPU 12, and vice versa.
Information to be transmitted from the CPU 12 to the outside is given from the I / O interface 11 to the reader / writer device 30 via the signal transmission path 31. The reader / writer device 30 includes
A host computer 40 is connected, and the reader / writer device 30 performs access processing to the IC card 10 under the control of this host computer 40. Further, the IC card 20, just like the IC card 10, has an I / O interface 21, a CPU 22,
The ROM 23, the RAM 24, and the EEPROM 25 are provided and are connected to the reader / writer device 30 via the signal transmission path 32.

In the IC card 10, ROM 13, RA
Three types of memories, M14 and EEPROM 15, are prepared. The ROM 13 is a memory that stores a basic program for operating the CPU 12, and CP
The U12 will execute various arithmetic processes based on the program in the ROM 13. The RAM 14 is a memory used as a workspace in this arithmetic processing. Further, the EEPROM 15 is a memory mainly used for accumulating user data, which is the original function of the IC card 10, and the user data given from the reader / writer device 30 side is written in the EEPROM 15 by the CPU 12. When a predetermined read command is given from the reader / writer device 30 side, the CP
The U12 reads the user data in the EEPROM 15 and sends it back to the reader / writer device 30 side. IC
ROM 23, RAM 24, EEPROM in the card 20
Three types of memory, 25, are also used for similar purposes.

Information is exchanged between the IC cards 10 and 20 and the reader / writer device 30 by a command C and a response R.
The format is as follows. That is, the reader / writer device 3
Information is transmitted from 0 to the IC cards 10 and 20 in the form of a command C, and conversely, information is transmitted from the IC card 10 and 20 to the reader / writer device 30 in the form of a response R to the command C. . That is,
Information exchange between the two is performed by the IC from the side of the reader / writer device 30.
Communication processing of command C to the card 10, 20 side and IC
The process of returning the response R from the card 10 or 20 side to the reader / writer device 30 side is alternately and repeatedly executed.

In order to smoothly perform such access processing to the IC card 10, a pattern file F as shown in FIG. 2 is usually prepared. The pattern file F is composed of a table in which a command C and a response R expected to be returned in response to the command C are alternately arranged. In the example of FIG. 2, the command C and the response R are alternately arranged, such as the command C1, the response R1, the command C2, the response R2, the command C3, and the response R3. Here, the command C1 is the command which should be given to the IC card side first, and the response R1 is the response expected to be returned from the IC card side when this command C1 is given as an outgoing message. Is. Similarly, the command C2 is the second command to be given to the IC card side, and the response R2 is the response expected to be returned from the IC card side when this command C2 is given as an outgoing message. Is.

A pattern file F as shown in FIG.
Is prepared in the host computer 40 and given to the reader / writer device 30 as necessary, the reader / writer device 30 can use the pattern file F.
Based on the above, it is possible to smoothly access the IC card. That is, first, the reader / writer device 30 performs an outgoing message process of sending the command C1 to the IC card side. I
Whether the command C1 should be sent to the C card 10 or 20 follows the instruction described in the pattern file F. For example, the command C1 for the IC card 10
, The CPU 12 in the IC card 10
After executing this command C1, a reply process of returning a predetermined response to the reader / writer device 30 is performed. Therefore, the reader / writer device 30 compares and collates this actually returned response with the response R1 in the pattern file F, and if there is no problem, performs the communication process of sending the next command C2 to the IC card 10. After executing this command C2, the CPU 12 performs a reply process of returning a predetermined response to the reader / writer device 30. Therefore, the reader / writer device 30 compares and collates this actually returned response with the response R2 in the pattern file F, and if there is no problem, performs the communication process of sending the next command C3 to the IC card 10. Thus, the reader / writer device 30
Using the commands / responses arranged in the pattern file F in order, it is possible to smoothly carry out outgoing and reply processing. If there is any problem as a result of the response collation, the same command will be sent again.

As described above, the access method using the pattern file F can reduce the load on the reader / writer device 30 and enable efficient access, but the format of this pattern file is used. As described above, there is a problem that it depends on the reader / writer device. Generally, for IC cards, I
The SO standard and the like have been standardized to some extent, and a predetermined format is defined for the command C given to the IC card and the response R returned from the IC card. However, various reader / writer devices are provided by various manufacturers,
The pattern file format required when the reader / writer device P is used and the pattern file format required when the reader / writer device Q is used even when accessing the same IC card Generally different. Therefore, when actually accessing the IC card by using the pattern file, the format of the pattern file must be adapted to the format of each reader / writer device, and when handling a large number of formats, it is very complicated. Work is required.

An example in which such complicated work is required is shown in FIG.
Let's use the block diagram of. The example shown here shows the work in a company that carries out the issuing processing, the verification processing, the transaction processing, and the like for the IC card by entrusting the user. For example, suppose that the users A, B, and C have been entrusted with three users. In such a case, it is not uncommon for each company to deliver the original pattern file and instruct to execute individual processing based on the pattern file. In addition, the format of the pattern file is usually different for each company. Here, the pattern file described by the designer of company A is described in format A, the pattern file described by the designer of company B is described in format B, and described by the designer of company C. Consider the case where the created pattern file is described in format C. On the other hand, in this company, it is assumed that three types of reader / writer devices P, Q, and R are prepared as the reader / writer device in consideration of their respective processing. That is, the reader / writer device P is used for the issuing process of the IC card, the reader / writer device Q is used for the verification process of the IC card, and the reader / writer device R is used for the transaction process of the IC card. Further, it is assumed that the respective reader / writer devices P, Q, R request different formats P, Q, R as pattern files.

In such a situation, in order to actually perform the access processing to the IC card based on the pattern file delivered by the user, it is necessary to create a pattern file in a format suitable for each reader / writer device. There is. Specifically, the pattern file of company A described in format A is rewritten to formats P, Q, and R, and the pattern file of company B described in format B is rewritten to formats P, Q, and R. , The pattern file of company C described in format C,
Nine kinds of rewriting operations, that is, rewriting into the formats P, Q, and R, must be performed as needed. When the types of formats in which the user describes the pattern file and the types of formats required by the reader / writer device to be used further increase, the number of variations of such rewriting work reaches a huge number.

The main object of the present invention is to reduce the burden of such rewriting work by once converting the pattern file delivered by the user into an intermediate pattern file. This principle is shown in the block diagram of FIG. In this example, the pattern file of company A, the pattern file of company B, and the pattern file of company C are all temporarily
It is converted into an intermediate pattern file having a common format M. Then, this intermediate pattern file is newly converted into a pattern file for the reader / writer devices P, Q, and R. If such a method is adopted, as the format rewriting work, the pattern files of the formats A, B, and C are rewritten to the intermediate pattern file of the format M 3.
6 types of rewriting work are required, that is, the three types of processing, that is, the three types of processing for rewriting the intermediate pattern file of format M into the pattern files of formats P, Q, and R. For example,
Even if the types of formats used by the user and the types of formats required by the reader / writer device further increase, the variations of the rewriting work increase only by the increase in the formats.

In addition, according to the method of the present invention, the conversion to the intermediate pattern file can be performed by the simple operation of replacing the delimiter portion in the character string forming the pattern file. , C to the format M can be mechanically performed, and automatic conversion using a computer is possible. Let me explain this with a concrete example.

Now, let us consider a simple model in which the arrangement as shown in the table of FIG. 5 is made as the format M of the intermediate pattern file (in practice, a more complicated arrangement is required, but here For the convenience of explanation, such a simple model will be used for explanation). In this format M, five types of contents are defined. That is, a reset command for the IC card 10, a reset command for the IC card 20, a normal command, a response, a comment,
There are five types. The character string described in this format M is classified into a step number, a first delimiter, a transmission data part, and a second delimiter. The step number is a serial number given only to the command line, and is given only when "SN" is written in the table of FIG. The first delimiter and the second delimiter are identifiers given before and after the transmission data section. In the signal transmission path formed between the reader / writer device and the IC card, only the transmission data part is actually transmitted, and the other parts are used for internal processing of the reader / writer device. .

The reset command for the IC card 10 is a command for giving a reset instruction to the CPU 12 of the IC card 10, and the reset command for the IC card 20 is a command for giving a reset instruction to the CPU 22 of the IC card 20. Is. These two
Since one command is transmitted to the IC card side via a dedicated reset line instead of a normal signal transmission path, the transmission data section has no data and is composed only of a step number and a separator. The normal command is
It shows general commands such as writing, reading, and verification for the IC card, and the actual contents of the command will be described as a command code string. The response indicates a response that is expected to be returned from the IC card side in response to the command when a certain command is transmitted to the IC card side. The string corresponding to the actual expected response is
It will be described as a response code string. The last comment is a comment line described in the pattern file, and this line is ignored in the actual access processing. Therefore, in the table of FIG. 5, the comment character string described in the transmission data section is not actually transmitted but is ignored.

On the other hand, the reader / writer device P used for the issuing process and the reader / writer device Q used for the verification process.
Basically, the formats P and Q required by the above are in accordance with the format M shown in FIG. 5, but it is assumed that a partially different arrangement is made. Specifically, it is assumed that the part shown in FIG. 6 is different for the format P and the part shown in FIG. 7 is different for the form Q. However, in reality, the format M
Formats P and Q are not defined by changing a part of the. On the contrary, in order to implement the present invention in the situation where the format P for the reader / writer device P and the format Q for the reader / writer device Q are defined in advance, the common basics of these formats P and Q are used. This means that the format M is defined by extracting only the relevant part. Only the differences between the formats P and Q with respect to the format M will be briefly described below.

The first difference of the format P is that the "&-C" is set as the first delimiter in the normal command when clock switching is involved. The frequency of the clock signal that is generally used at present is, for example, 3.5 MHz.
For example, z is 4.9 MHz, but the clock frequency may be switched during the access for reasons such as conforming to various standards. A general IC card has no internal clock generation source and operates by receiving a clock signal from the reader / writer device side. Therefore, the operation of switching the clock frequency is a process performed on the reader / writer device side. In format P, "&-C" is described instead of "&-S" in the first delimiter as a format for transmitting a normal command after performing such clock frequency switching processing. Has been set. The second difference of the format P is that the format "/ PARA, n /" is defined. This shows a process of generating a parameter inside the reader / writer device and incorporating the generated parameter into this position. Specifically, an n-byte serial number is generated and incorporated. The third difference of the format P is "/
The point is that the format "DATA, m, n /" is defined. This shows a process of incorporating n bytes of data from the m-th byte at the head of the record of a separately prepared data information file. These data embedding processes are
This is a convenient function when performing the issuing process, and is a function peculiar to the reader / writer device P that specializes in the issuing process. For example, as a membership card for 1000 people, 1000 ICs
When issuing a card, instead of entering the actual data in the membership number, use "/ PAR
If a description such as “A, n /” is given, a predetermined serial number is automatically generated in the reader / writer device P,
Will be incorporated. As for the name of each member, a personal data file in which the names of 1,000 people are stored separately is prepared, and each name is described in this personal data file by the description "/ DATA, m, n /". It becomes possible to extract and incorporate from the. The fourth difference of the format P is that "XX" in the response code is not checked. As mentioned above, the response code is
Although it will be compared and collated with the response actually returned from the IC card side, "X
For 1 byte of data described as "X", comparison and collation is not performed.

On the other hand, the first difference of the format Q is that the description "C-C m, n, k C" is made when the clock is switched. That is, this description shows an instruction to set the clock frequency to m MHz, the transfer rate to n baud, and the clock voltage to k volt. Also,
The second difference of the format Q is "X" in the response code.
"X" is a point to be unchecked. This is similar to the format P described above.

Here, it is assumed that the company A describes the pattern file as shown in FIG. 8 in the format A and, in connection with this, the explanatory text as shown in FIG. 9 is prepared. The pattern file shown in FIG. 8 is composed of a step number, a delimiter, and a transmission data section. Here, it is assumed that the separator has the meaning as described in the description of FIG. That is, the first
The byte is always "3A", the second byte indicates the byte length of the transmission data section, the third byte "4F" indicates reset to the IC card 10, and "49".
Indicates a normal command, and "FE" indicates a response. The transmission data section is a content that is uniquely determined based on the standard of the IC card 10 (for example, ISO standard), and is a section that is not affected by the format of the pattern file. Also, the last 1 byte of this transmission data part (in the figure, shown with some gaps from other parts) is an error check code.

According to the explanation of Company A shown in FIG.
The following information is presented. That is, the clock frequency is initially set to 3.5 MHz, and is switched to 4.9 MHz from step 3. Also, step S3
The 2-byte part "0001" at the end of the command
Actually, a serial number is put in place of this "0001" data, and "010203040" in step S4 is entered.
The 5-byte portion of "5" is actually "0102".
Instead of the data "030405", the name data of the separately prepared personal information file is inserted. And
BC is used as the error check code at the end of the transmission data section.
Use C code. Information is presented. Therefore, the company A separately delivers a personal information file by using a medium such as a floppy disk. In the personal information file, for example, 1000
It means that the data of names of people is stored. Here, it is assumed that Company A intends to issue an IC card as a membership card for 1000 persons, and the following description will be given.

On the other hand, it is assumed that the company B describes the pattern file as shown in FIG. 10 in the format B, and in connection with this, the explanation as shown in FIG. 11 is prepared. In the pattern file shown in FIG. 10, one line is composed of the first delimiter, the second delimiter, and the transmission data section surrounded by these. However, the command to switch the clock frequency does not have a separator. Here, it is assumed that the separator has the meaning as described in the description of FIG. 11. That is, a line having the first delimiter "*-*" and the second delimiter "*" is a reset command (data does not exist in the transmission data part), the first delimiter "*-+" and the second delimiter. Lines with "*" are normal commands (the contents of the command are indicated by the description of the transmission data section), the first delimiter "@-@"
The line having the second delimiter “@” is defined as a response (the content of the response is indicated by the description of the transmission data section).

According to the explanation of the company B shown in FIG. 11, the following information is further presented. That is, for the clock, the frequency is specified by the description "CLK =", and the transfer rate is specified by the description "BPS =". 8th line of pattern file (@-@ 000
Up to 00000 @) for IC card 10
From the second line, the IC card 20 is targeted. The variable "YY" in the response is unchecked. Although the error check code is not described, the BCC code is actually used. The description of the prolog and the epilog according to the ISO standard is omitted. Information is presented. Therefore, in order to create a pattern file for actual IC card access, it is necessary to add a BCC code or a part such as a prolog or epilog according to the ISO standard to the transmission data part.

In the method of creating a pattern file according to the present invention, a pattern file of company A (format A) as shown in FIG. 8 and a pattern file of company B (format B) as shown in FIG. It is once converted into an intermediate pattern file in the format M defined in FIG. That is, the pattern file of company A as shown in FIG. 8 is converted into an intermediate pattern file as shown in FIG. 12, and the pattern file of company B as shown in FIG. 10 is an intermediate pattern file as shown in FIG. Is converted to. This conversion defines the correspondence between the delimiter of format A used by company A or the delimiter of format B used by company B and the delimiter of format M defined in FIG. This can be done as a mechanical work.

Specifically, according to the explanation of the company A shown in FIG. 9, the delimiter "3A004F" in the format A is
Since it indicates a reset to the IC card 10, in the format M, the step number SN is followed by "&
It may be converted into a pair of delimiters "-RI &". Similarly, the delimiter "3A05FE" in format A is
Since it indicates a response, in format M, "% -N
It is sufficient to convert it into a pair of delimiters "%", and the delimiter "3A0649" in the format A indicates a normal command. Therefore, in the format M, a pair "& -S &" follows the step number SN. You can convert it to a separator. As described above, the conversion to the intermediate pattern file is performed only by rewriting the corresponding delimiter, and it is not necessary to rewrite the transmission data section at this stage. Therefore, if the correspondence of the delimiters is defined in advance, the conversion process to the intermediate pattern file can be automatically performed using a computer. By comparing the pattern file of company A shown in FIG. 8 with the intermediate pattern file of company A shown in FIG. 12, it can be understood that such unique delimiter replacement is performed.

The same applies to the pattern file of company B. However, in format B, there are commands that do not use a separator as clock switching commands. For example, "CLK = 3.5 BPS = 9600" or "CLK
= 4.9 ”. For commands that do not have such delimiters, since the correspondence between delimiters with the format M cannot be defined, for convenience, they are treated as comment lines and a pair of delimiters "$ -W $" is used. Corresponds to Kiriko. As described above, if a line that does not correspond to a substantial delimiter in the format M is treated as a comment line, it can be converted by a unique delimiter replacement. For example, since the pair of delimiters "*-**" in format B is a reset command, in format M, "& -R-I &" or "&-R-S" follows step number SN. &"
It should be converted into a pair of separators. The pattern file in the format B does not show information about which IC card is the target (this is B
This is the information shown as the explanation of the company), but here, for the time being, it is converted into a pair of delimiters "& -R-I &". Similarly, in format B, "@-@"
Since the pair of delimiters "@" indicates a response, it may be converted into the pair of delimiters "% -N%" in the format M, and the pair of delimiters "*-+" in the format B may be converted. Indicates a normal command, and therefore, in the format M, the step number SN may be converted into a pair of delimiters "& -S &". After all, the conversion to the intermediate pattern file is performed only by rewriting to the corresponding delimiter, and the transmission data section does not need to be rewritten at this stage. Therefore, if the correspondence of the delimiters is defined in advance, the conversion process to the intermediate pattern file can be automatically performed using a computer. By comparing the pattern file of company B shown in FIG. 10 with the intermediate pattern file of company B shown in FIG. 13, it can be understood that such unique delimiter replacement is performed.

The intermediate pattern files thus obtained as shown in FIG. 12 or FIG. 13 are all pattern files described in the format M, and the work of obtaining this intermediate pattern file is performed by the computer as described above. It can be used automatically. Then, based on this intermediate pattern file, work for creating a pattern file for each reader / writer device to be actually accessed is performed. Specifically, if a pattern file applicable to the reader / writer device P for performing the issuing process is created, the intermediate pattern file for the company A shown in FIG. 12 is described in the format P shown in FIG. It is sufficient to perform the work of rewriting the pattern file described above, or the work of rewriting the intermediate pattern file for the company B shown in FIG. 13 into the pattern file described in the format P shown in FIG. Similarly, if a pattern file applicable to the reader / writer device Q for performing the verification process is created, the intermediate pattern file for the company A shown in FIG. 12 is described in the format Q as shown in FIG. The work of rewriting to the pattern file may be performed, or the work of rewriting the intermediate pattern file of the company B shown in FIG. 13 to the pattern file described in the format Q as shown in FIG.

Such rewriting work to the format P or the format Q cannot always be performed uniquely. That is, in consideration of the matters described in the description of each company shown in FIGS. 9 and 11, rewriting must be performed using the characteristics of the format P shown in FIG. 6 or the characteristics of the format Q shown in FIG. It will not happen. However, since the files to be rewritten are all intermediate pattern files of the format M, the rewriting operator only has to rewrite the pattern files of the same format M, so the work load is very high. Is reduced to.

Finally, the rewriting work for each intermediate pattern file described in the format M will be briefly described for each specific example. First, the intermediate pattern file (format M) for Company A shown in FIG.
Consider the operation of converting to the issuance processing pattern file (format P) shown in. Here, the points to be noted are the contents shown in the explanation of the company A in FIG. First, it is necessary to switch the clock frequency from step 3. In the format P, as defined in FIG. 6, the normal command with clock switching is "&-" as the first delimiter.
"C" is to be used. Therefore, the first separator of step number 3 in FIG. 14 is rewritten as "&-C". Also, at the end of the command in step 3, "00"
The serial number must be incorporated in the "01" part. Therefore, the description "PARA, 2" peculiar to the format P is added to the end of the transmission data portion of the step number 3 in FIG. 14 so that a 2-byte serial number is generated and incorporated in the reader / writer device P. Is rewritten as Further, it is necessary to incorporate the name of the separately delivered personal information file into the "01020305405" portion at the end of the command in step 4. Therefore, at the end of the transmission data section of step number 4 in FIG.
1, 5 ", and the data of the name of each individual stored in the first to fifth bytes from the beginning of each record of the personal information file is loaded into the reader / writer device P, and the data of this name is written. Is rewritten so as to be incorporated in the transmission data section. In addition, a 1-byte portion at the end of each transmission data portion is re-described as a code "BCC" indicating that a BCC error check code should be newly calculated and generated. As a result, even when the name data and the like are incorporated, the correct error check code is calculated in the reader / writer device P and added to the end of the transmission data section. After all, the reader / writer device P performs the issuing processing for the IC cards 10 for 1000 persons based on the pattern file described in the format P as shown in FIG. 14 and the personal information file prepared separately. Will be done.

Next, consider the operation of converting the intermediate pattern file (format M) for company B shown in FIG. 13 into the issuing processing pattern file (format P) shown in FIG. Here, the points to be noted are the contents shown in the description of company B in FIG. First, the switching of the clock frequency is specified by the description "CLK =". In the intermediate pattern file of FIG. 13, this description is converted into comment lines sandwiched by the delimiters "$ -W $". Therefore, by referring to this comment line, it can be recognized that clock switching is necessary at the stage of step 3. In the format P, as defined in FIG. 6, the normal command with clock switching uses "&-C" as the first delimiter. Therefore, the first separator of step number 3 in FIG.
-C "has been rewritten. In addition, according to the description of the company B, it is indicated that in the format B, the description of the prolog and the epilog according to the ISO standard is omitted. In order to access the ISO standard IC card,
It is necessary to add the prolog and the epilog. In the pattern file of the format P shown in FIG. 15, the epilog of 3 bytes is added to the beginning part of the transmission data part, and the 1 byte part at the end of the transmission data part is added. A code "BCC" is newly added to indicate that the BCC error check code should be calculated and generated. The bytes that should be unchecked in the response are displayed as "YY" in format B, but must be displayed as "XX" in format P, so the second line of the pattern file in FIG. The description of the transmission data part of is rewritten as "XXXX ...". Furthermore, according to the explanation of company B shown in FIG.
Regarding the target IC card, it is specified that the IC card 10 is targeted up to the 8th line and the IC card 20 is targeted from the 9th line. The target IC card is reflected in the part of the prolog described above. That is, the first byte of the prolog is in accordance with the ISO standard of the IC card, "01" for the command to the IC card 10, "10" for the response from the IC card 10, and the command for the IC card 20. Is "67", and the response from the IC card 20 is "76". Further, in the intermediate pattern file of FIG. 13, the reset command of step 1 is
For the time being, the description of the reset command "& -R-I &" for the IC card 10 was made, but at this stage, it is confirmed that it matches the instruction of the explanation of the company B (note that the instruction of the company B is If it is the IC card 20, at this stage, the IC card 20 called "&-RS"
The work of rewriting the reset command (FIG. 5) is performed.

Next, consider the operation of converting the intermediate pattern file (format M) for company A shown in FIG. 12 into the verification processing pattern file (format Q) shown in FIG. It is necessary to switch the clock frequency from step 3 if attention is paid to the explanation of company A shown in FIG. In the format Q, as defined in FIG. 7, when the clock is switched, the description "C-C m, n, k" is to be described. Therefore, immediately before the step number 3 in FIG. 16, “C-C 4.9 9600 5.0
Insert the description "C", and clock frequency is 4.9M here.
Hz, transfer rate 9600 baud, clock voltage 5.0 volts. In addition, in the form Q,
Since there is no built-in command like the format P, the corresponding serial numbers must be manually entered in the "0001" portion at the end of the command in step 3, and the " 01020
It is necessary to manually incorporate the name of the separately delivered personal information file into the "30405" portion. In particular,
If the membership cards for 1000 people are issued, it is necessary to manually rewrite these parts to create 1000 different pattern files. As described above, in the format P for issuing processing, a built-in command is prepared, and as described above, it is possible to automatically incorporate a serial number and name to create a pattern file. Since the built-in command is not prepared in the format Q for use, it is originally not suitable for the issuing processing such as issuing the membership cards for 1000 persons. Therefore, in reality, the pattern file for performing such issuing processing is not normally described in the format Q.
Here, for convenience of explanation, only an example of rewriting to the format Q is shown.

Finally, consider the operation of converting the intermediate pattern file (format M) for company B shown in FIG. 13 into the verification processing pattern file (format Q) shown in FIG. Taking note of the contents shown in the description of company B in FIG. 11, for switching the clock frequency, "CLK
= ”. This description is shown in Figure 1.
In the intermediate pattern file of No. 3, the delimiter "$ -W
It is converted into a comment line sandwiched by "$". Therefore, if the comment line is slightly modified, it can be rewritten to the clock switching command in the format Q. Regarding the transmission data part, the target I
After considering whether the C card is 10 or 20, the description of the ISO standard prolog and epilog is added, and a new BCC error check code is calculated in the last 1 byte of the transmission data section. A code "BCC" indicating that it should occur is added. In addition, the bytes that should be unchecked in the response are displayed as "YY" in format B, but "X" in format P.
Since it is necessary to display "X", the description of the transmission data section in the third line of the pattern file of FIG.
Has been rewritten as

Although the present invention has been described above based on the specific embodiments shown in the drawings, the present invention is not limited to these embodiments and can be carried out in various modes other than this. In particular, each of the formats A, B, M, described in the above embodiment
P and Q both mean the presentation of a simple model,
Some examples are given and the application of the invention is not limited to these formats.

[0041]

As described above, according to the pattern file creating method of the present invention, the original pattern file described by the designer is once converted into an intermediate pattern file having a predetermined common format, Since this intermediate pattern file is converted into a pattern file of a predetermined format required by each reader / writer device, a pattern file that can be used for actual access can be efficiently created based on the pattern files of different formats. Will be able to.

[Brief description of drawings]

FIG. 1 is a block diagram showing a form of general access processing for an IC card.

FIG. 2 is a diagram showing a basic configuration of a pattern file F used in the access processing shown in FIG.

FIG. 3 is a conceptual diagram showing a procedure of a format conversion work by a conventional general pattern file creating method.

FIG. 4 is a conceptual diagram showing a procedure of format conversion work by the method of creating a pattern file according to the present invention.

5 is a diagram showing an example of a format M of the intermediate pattern file in FIG.

6 is a diagram showing an example of a format P for the reader / writer device P in FIG.

7 is a diagram showing an example of a format Q for the reader / writer device Q in FIG.

8 is a diagram showing an example of a pattern file (format A) of company A in FIG.

9 is a diagram showing an example of the explanatory text of Company A regarding the pattern file shown in FIG. 8;

10 is a diagram showing an example of a pattern file (format B) of company B in FIG.

FIG. 11B for the pattern file shown in FIG.
It is a figure which shows an example of the description of a company.

12 is a diagram showing an intermediate pattern file (format M) created based on the pattern file (format A) of company A shown in FIG. 8;

13 is a diagram showing an intermediate pattern file (format M) created based on the pattern file (format B) of company B shown in FIG. 9;

14 is a diagram showing an issuance processing pattern file (format P) created based on the intermediate pattern file (format M) for company A shown in FIG. 12;

15 is a diagram showing an issuance processing pattern file (format P) created based on the intermediate pattern file (format M) for company B shown in FIG. 13;

16 is a diagram showing a verification processing pattern file (format Q) created based on the intermediate pattern file (format M) for company A shown in FIG. 12;

17 is a diagram showing a verification processing pattern file (format Q) created based on the intermediate pattern file (format M) for company B shown in FIG. 13;

[Explanation of symbols]

 10 ... IC card 11 ... I / O interface 12 ... CPU 13 ... ROM 14 ... RAM 15 ... EEPROM 20 ... IC card 21 ... I / O interface 22 ... CPU 23 ... ROM 24 ... RAM 25 ... EEPROM 30 ... Reader / writer device 31 , 32 ... Signal transmission path 40 ... Host computer

Claims (2)

[Claims] 1. An IC card having a built-in CPU and the I card
A signal transmission line is formed between the reader / writer device for accessing the C card, and a predetermined command is transmitted from the reader / writer device to the IC card via the signal transmission line. When the IC card is accessed by executing the outgoing communication process and the reply process of returning a response according to the command to the reader / writer device based on a pattern file in which commands and responses are arranged. A method of creating a pattern file to be used, the first step of converting an original pattern file described in various formats into an intermediate pattern file re-described in a predetermined common format, and the intermediate pattern file Is rewritten in the format required by the individual reader / writer device. How to create IC card access pattern file, characterized in that it comprises a second step of converting the pattern file to be used for processes, the. 2. The method of creating a pattern file according to claim 1, wherein a character string forming the original pattern file is transmitted between a transmission data section for actually transmitting the signal transmission path and an actual signal transmission path. A method of creating a pattern file for accessing an IC card, characterized in that it is divided into a non-transmitted partition part and the partition part is replaced with a predetermined common partition part to perform conversion into an intermediate pattern file. .