KR102382636B1 - Method And System for Issuing Electronic Receipt - Google Patents

Abstract

Disclosed is a method and system for issuing an electronic receipt. The embodiment of the present invention generates an electronic receipt file instead of outputting a receipt on paper at the time of payment, converts the electronic receipt file to a standardized data format based on various protocols of a franchise payment terminal that generated the electronic receipt file, and It parses the standardized data format so that they can be processed into a variety of output formats. The system comprises: a franchise payment terminal; an interface server; and an electronic receipt server.

Description

Method And System for Issuing Electronic Receipt

An embodiment of the present invention relates to an electronic receipt issuance method and system.

The content described below merely provides background information related to the present embodiment and does not constitute the prior art.

In order to issue an e-receipt, transaction information and business information are transmitted from the POS (Point Of Sales) to the server, and the server sends the e-receipt to the registered customer's mobile communication terminal app or e-wallet, etc. method is being used.

However, in the case of issuing an electronic receipt in the above manner, there is a problem in that the POS used in the prior art has no choice but to issue a paper receipt and an electronic receipt at the same time.

Most of the POS currently used are connected to a printer that prints paper receipts so that when a customer makes a payment, the paper receipt is automatically printed. Therefore, there is a limit contrary to the purpose of suppressing the use of paper.

This embodiment generates an electronic receipt file instead of outputting a receipt on paper at the time of payment, converts the electronic receipt file to a standardized data format based on the protocol of various merchant payment terminals that generated the electronic receipt file, and then converts the standardized data format into various formats. An object of the present invention is to provide an electronic receipt issuance method and system that allows parsing to be processed into a printed form.

According to one aspect of this embodiment, the merchant payment terminal equipped with an electronic receipt issuance program that intercepts the receipt data transmitted to the printer and outputs it as a file before being printed; an interface server that converts the receipt data into standard data, and outputs the converted data converted from the standard data into any one of a plurality of preset output formats; It provides an electronic receipt issuance system comprising a; an electronic receipt server to issue the converted data as an electronic receipt in a preset format.

According to another aspect of this embodiment, the process of intercepting the receipt data transmitted to the printer using the electronic receipt issuance program mounted in the merchant payment terminal and outputting it as a file before being printed; The process of converting the receipt data into standard data in the interface server, and outputting the converted data converted from the standard data into any one of a plurality of preset output formats; The electronic receipt server provides an electronic receipt issuance method, comprising: issuing the converted data as an electronic receipt in a preset manner.

As described above, according to this embodiment, an electronic receipt file is generated instead of outputting a receipt on paper at the time of payment, and the electronic receipt file is converted into a standardized data format based on the protocol of various merchant payment terminals that generated the electronic receipt file. After doing this, it has the effect of parsing the standardized data format to be processed into various output formats.

1 is a view showing an electronic receipt issuance system using the electronic receipt issuance program according to the present embodiment.
2 is a view showing an electronic receipt issuance program mounted on the affiliated store payment terminal according to the present embodiment.
3 is a diagram illustrating an interface server according to the present embodiment.
4 is a view showing a standard data converter mounted on the interface server according to the present embodiment.
5 is a diagram illustrating a process after data conversion in the interface server according to the present embodiment.

Hereinafter, this embodiment will be described in detail with reference to the accompanying drawings.

1 is a view showing an electronic receipt issuance system using the electronic receipt issuance program according to the present embodiment.

The electronic receipt issuance system according to this embodiment includes a merchant payment terminal 110 , an electronic receipt issuance program 120 , an interface server 130 , and an electronic receipt server 132 . Components included in the electronic receipt issuing system are not necessarily limited thereto.

The affiliated store payment terminal 110 is preferably a Point Of Sales (POS) terminal, a communication device such as a communication modem for communicating with various devices or wired and wireless networks, a memory for storing various programs and data, and a program execution It is a variety of devices having a microprocessor, etc. for operation and control.

Merchant payment terminal 110 mounts the electronic receipt issuance program 120 in the memory.

The merchant payment terminal 110 is connected to the printer 112 by a physical serial cable to issue a receipt. Intercepts receipt data transmitted through a serial cable from the electronic receipt issuance program 120 mounted in the affiliated store payment terminal 110 . The electronic receipt issuance program 120 mounted in the affiliated store payment terminal 110 outputs the receipt data as a file without transmitting the receipt data to the printer 112 .

The electronic receipt issuing program 120 mounted in the affiliated store payment terminal 110 may output the receipt data as a file and then transmit it to the electronic receipt server 132 to send the electronic receipt to the customer terminal.

The electronic receipt issuance program 120 mounted in the affiliated store payment terminal 110 transmits receipt data to the electronic receipt server 132 and, at the same time, transmits order details corresponding to the receipt data to the kitchen terminal. The electronic receipt issuing program 120 mounted in the affiliated store payment terminal 110 outputs sales data corresponding to the receipt data. The electronic receipt issuance program 120 mounted in the affiliated store payment terminal 110 processes the receipt data as a file when payment is made by connecting the CAT (Credit Authorization Terminal) terminal.

The affiliated store payment terminal 110 according to the present embodiment intercepts the receipt data transmitted to the printer 112 using the mounted electronic receipt issuing program and outputs it as a file before being printed.

The merchant payment terminal 110 intercepts the receipt data transmitted to the serial port connected to the printer using the mounted electronic receipt issuance program, and outputs the receipt data as a file before the printer 112 is printed.

The affiliated store payment terminal 110 transmits the encrypted receipt data obtained by encrypting the receipt data to the interface server 130 using the mounted electronic receipt issuing program to prevent hacking such as dictionary attack or brute force attack.

When processing receipt data, the electronic receipt issuance program 120 processes electronic receipts, kitchen orders (customer orders), sales data output, and the like using a standard data converter. The electronic receipt issuance program 120 uses a standard data converter to standardize and process the formats of various companies.

The interface server 130 receives receipt data from the affiliated store payment terminal 110 and converts the receipt data into one standard data.

The interface server 130 according to the present embodiment converts the receipt data into standard data, and outputs the converted data obtained by converting the standard data into any one of a plurality of preset output formats.

The interface server 130 receives each of the encrypted receipt data from the plurality of merchant payment terminals 110 and then generates decrypted decrypted receipt data. The interface server 130 converts a plurality of different decrypted receipt data into standard data.

The interface server 130 parses and outputs the form of the customer receipt, customer order form, kitchen order form, payment request and sales aggregate details, and payment data based on standard data.

The e-receipt server 132 issues an e-receipt matching the purchase store, purchase time zone, and purchase item based on the card number or phone number. The electronic receipt server 132 according to this embodiment issues the converted data received from the interface server 130 as an electronic receipt in a preset format.

① The user requests the issuance of an electronic receipt while making a payment request after purchasing goods or using the service at the store.

② When the payment is completed, the merchant payment terminal 110 of the store outputs receipt data corresponding to the payment cost.

③ The electronic receipt issuance program 120 mounted on the affiliated store payment terminal 110 intercepts the receipt data while the receipt data is transmitted to the printer 112 to prevent the paper receipt from being printed.

The electronic receipt issuing program 120 mounted on the affiliated store payment terminal 110 transmits receipt data to the electronic receipt server 132 .

④ The electronic receipt issuance program 120 mounted on the merchant payment terminal 110 analyzes the patterns of the main purchase store, main purchase time zone, main purchase item, etc. From the 2nd visit, e-receipts should be issued without entering a phone number. The e-receipt server 132 transmits the issued e-receipt to the e-receipt application and SMS/notification relay.

2 is a view showing an electronic receipt issuance program mounted on the affiliated store payment terminal according to the present embodiment.

The electronic receipt issuance program 120 according to this embodiment includes an electronic receipt issuance driver 210 , a data conversion unit 220 , an encryption unit 230 , and a transmission unit 240 . Components included in the electronic receipt issuance program 120 are not necessarily limited thereto.

The electronic receipt issuing driver 210 collects receipt data transmitted to the printer 112 and converts the receipt data into a binary code. The data conversion unit 220 converts the binary code into an ASCII code.

When the encryption unit 230 encrypts the ASCII code by the AES (Advanced Encryption Standard)-256 method, which is a symmetric key method of encryption storage technology, an encryption in which different result values are given to the same data by adding an arbitrary salt value. Generate receipt data.

When transmitting the encrypted receipt data to the outside, the transmitter 240 checks the purchase store identification information, purchase time information, and purchase item information based on the input card number or phone number, and then determines the second purchase time from the same purchase store identification information. When information and purchase item information are confirmed, encrypted receipt data is issued as an electronic receipt to the terminal corresponding to the phone number without additional input of the phone number.

① When the payment is completed, the merchant payment terminal 110 of the store prints the receipt data corresponding to the payment cost.

② The electronic receipt issuance program 120 mounted on the merchant payment terminal 110 intercepts the receipt data in the process of transferring the receipt data to the printer 112 and transmits the receipt data to the electronic receipt issuance driver 210 . The electronic receipt issuing driver 210 in the electronic receipt issuing program 120 collects receipt data from the affiliated store payment terminal 110 . The electronic receipt issuing driver 210 converts the receipt data into a binary code.

③ The data conversion unit 220 in the electronic receipt issuing program 120 converts the binary code received from the electronic receipt issuing driver 210 into an ASCII code.

④ The encryption unit 230 in the electronic receipt issuance program 120 encrypts the ASCII code. When the encryption unit 230 in the electronic receipt issuance program 120 encrypts the ASCII code, an arbitrary salt value is added to generate encrypted receipt data.

In other words, the encryption unit 230 encrypts the ASCII code using the AES (Advanced Encryption Standard)-256 method, which is a symmetric key encryption storage technology, and adds an arbitrary salt value to generate a different result value each time the same data is encrypted. It protects against hacking such as dictionary attacks and brute force attacks.

⑤ When the transmission unit 240 receives the paper receipt request command, the printer 112 transmits a print command to print the receipt data to the existing serial port so that the receipt data is printed on paper. The transmitter 240 transmits the encrypted receipt data to the interface server 130 .

3 is a diagram illustrating an interface server according to the present embodiment.

The interface server 130 according to the present embodiment includes a data decoding unit 310 and a standard data converter 320 . Components included in the interface server 130 are not necessarily limited thereto.

The data decryption unit 310 receives the encrypted receipt data and generates decrypted decrypted receipt data.

The standard data converter 320 converts the decrypted receipt data into standard data, and outputs the converted data converted from the standard data into any one of a plurality of preset output formats.

While general programs extract and convert only receipt data to use only a thermal receipt printer, the electronic receipt issuance program 120 can be used in all output devices such as CAT terminals and thermal receipt printers.

When the affiliate payment terminal 110 closes, there is a case in which payment details (sales aggregation) are output at the store instead of for customers according to a payment request (sales aggregation request) for sales counting.

When the affiliated store payment terminal 110 is connected to the CAT terminal to make a payment, when the affiliated store payment terminal 110 makes a payment request (sales aggregation request), payment history (sales aggregation) data is received from the CAT terminal. At this time, payment data and receipt data are received twice from the affiliated store payment terminal 110 CAT terminal.

At this time, if the payment history (sales aggregate) data received from the CAT terminal in the electronic receipt issuance program 120 mounted on the merchant payment terminal 110 is payment data, the payment data is transferred to the CAT terminal, and the payment received from the CAT terminal If the breakdown (sales aggregation) data is receipt data, a receipt process is performed (data transmitted to the interface server 130).

The electronic receipt issuance program 120 mounted on the affiliated store payment terminal 110 checks the data from the serial port to confirm whether it is a receipt or payment data.

Since protocol data received from the client is different for each program developer of the affiliated store payment terminal 110, a standard conversion operation is required. The interface server 130 converts a plurality of protocol commands into standard receipt data, separates them into customer receipts, customer orders, and kitchen orders, and converts them into receipts suitable for use.

The interface server 130 includes a data decoding unit 310 and a standard data converter 320 . The data decryption unit 310 receives the encrypted receipt data from the electronic receipt issuing program 120 and generates decrypted decrypted receipt data. The standard data converter 320 converts the decrypted receipt data into a receipt format according to a plurality of formats.

4 is a view showing a standard data converter mounted on the interface server according to the present embodiment.

The standard data converter 320 analyzes about 80 protocols and analyzes the protocols used by the merchant payment terminal 110 or the terminal model using the ERP (Enterprise Resource Planning) program to analyze the merchant payment terminal 110, each ERP program. Transform data. The standard data converter 320 parses the string and converts it into customer receipts, customer orders, kitchen orders, payment requests and sales aggregate details, and payment data.

The standard data converter 320 separates the code and the data value, and organizes the data. The standard data converter 320 performs data conversion and parsing by analyzing whether the receipt and the CAT terminal are connected.

The standard data converter 320 converts various types of data into standard data for each of a plurality of companies using a standard data format, and then outputs it according to the output format of the electronic receipt server / kitchen / various sales information.

The standard data converter 320 according to the present embodiment includes a protocol analyzer 410 , a standard data converter 420 , and a parsing unit 430 . Components included in the standard data converter 320 are not necessarily limited thereto.

The protocol analysis unit 410 generates protocol analysis information by analyzing the protocol for the decrypted receipt data. The protocol analysis unit 410 receives the decryption receipt data from the data decryption unit 310 .

The protocol analysis unit 410 generates protocol analysis information by analyzing the protocol for the decrypted receipt data. For example, the protocol analysis unit 410 determines whether the protocol for the decrypted receipt data is HT, CR, DLE EOT, CAN, ESC FF, ESC !, ESC $, ESC 2, GS !, GS w, RS protocol analysis information to create

When the protocol analyzer 410 checks the Hex field for the decrypted receipt data as 09, the protocol is set to HT. When the protocol analyzer 410 checks the Hex field for the decrypted receipt data as 0D, the protocol analyzer 410 sets the protocol to CR. When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 10 04, it sets the protocol to DLE EOT.

When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 18, the protocol is set to CAN. When the protocol analyzer 410 checks the Hex field for the decrypted receipt data as 1B FF, it sets the protocol to ESC FF. When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 18 21, the protocol is set to ESC ! When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 1B 24, the protocol is set to ESC $.

When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 1B 32, the protocol is set to ESC 2 . When the protocol analyzer 410 checks the Hex field for the decrypted receipt data as 1D 21, the protocol analyzer 410 sets the protocol to GS ! When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 1D 77, the protocol is set to GS w. When the protocol analysis unit 410 checks the Hex field for the decrypted receipt data as 1E, it sets the protocol to RS.

The standard data conversion unit 420 generates standard data obtained by converting data into standard data for each merchant payment terminal or ERP program based on the protocol analysis information.

The parsing unit 430 parses and outputs the standard data according to any one of the customer receipt, customer order form, kitchen order form, payment request history, sales aggregate history, and payment data based on standard data.

5 is a diagram illustrating a process after data conversion in the interface server according to the present embodiment.

The interface server 130 converts the receipt data into standard data using the standard data converter 320, and then parses and transmits the receipt data for the purpose of electronic receipt, order form output, kitchen order notification APP, CAT terminal, etc. according to the purpose.

The customer receipt parsed by the interface server 130 using the standard data converter 320 is delivered as an SMS/receipt to be issued as an electronic receipt. The customer order form, payment request, and sales aggregate details parsed by the interface server 130 using the standard data converter 320 are transmitted to the printer and printed as a receipt. The kitchen order book parsed by the interface server 130 using the standard data converter 320 is transmitted to the kitchen order notification application. The payment data parsed by the interface server 130 using the standard data converter 320 is transmitted to the merchant payment terminal 110 and the CAT terminal connected to the sales settlement program (ERP).

In other words, when the standard data converter 320 parses the standard data into the customer receipt, the customer receipt is transmitted to the notification server via the electronic receipt server 132 . When the standard data converter 320 parses the standard data into customer orders, payment request details, and sales aggregate details, the customer order book, payment request details, and sales aggregate details are transmitted to the electronic receipt issuance program 120 .

When the standard data converter 320 parses the standard data into the kitchen order form, the kitchen order form is transmitted to the kitchen order notification application via the electronic receipt server 132 . When the standard data converter 320 parses the standard data into the payment data, the payment data is transmitted to the CAT (Credit Authorization Terminal) terminal via the electronic receipt issuance program 120 .

The above description is merely illustrative of the technical idea of this embodiment, and a person skilled in the art to which this embodiment belongs may make various modifications and variations without departing from the essential characteristics of the present embodiment. Accordingly, the present embodiments are intended to explain rather than limit the technical spirit of the present embodiment, and the scope of the technical spirit of the present embodiment is not limited by these embodiments. The protection scope of this embodiment should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present embodiment.

110: Merchant payment terminal
112: printer
120: Electronic receipt issuance program
130: interface server
140: e-receipt server

Claims (6)

A merchant payment terminal equipped with an electronic receipt issuance program that intercepts receipt data transmitted to a printer and outputs it as a file before being printed;
an interface server that converts the receipt data into standard data, and outputs the converted data converted from the standard data into any one of a plurality of preset output formats;
an electronic receipt server that issues the converted data as an electronic receipt in a preset format;
Including, wherein the e-receipt issuance program, the e-receipt issuance driver for collecting the receipt data transmitted to the printer, and converting the receipt data into a binary code; a data conversion unit converting the binary code into an ASCII code; When encrypting the ASCII code using the AES (Advanced Encryption Standard)-256 method, which is a symmetric key encryption storage technology, a random salt value is added to generate encrypted receipt data in which different result values are given even for the same data. encryption unit; When transmitting the encrypted receipt data to the outside, after checking the purchase store identification information, purchase time information, and purchase item information based on the input card number or phone number, the second purchase time information and purchase item information from the same purchase store identification information is confirmed, a transmission unit for issuing the encrypted receipt data as an electronic receipt to the terminal corresponding to the phone number without additional input of the phone number;
The interface server may include: a data decryption unit for receiving the encrypted receipt data and generating decrypted receipt data; and a standard data converter that converts the decrypted receipt data into the standard data and outputs the converted data converted from the standard data into any one of a plurality of preset output formats,
The standard data converter may include: a protocol analysis unit generating protocol analysis information obtained by analyzing a protocol for decrypted receipt data; a standard data conversion unit for generating standard data converted into standard data for each merchant payment terminal or ERP program based on the protocol analysis information; Based on the standard data, a parsing unit that parses and outputs a customer receipt, customer order form, kitchen order form, payment request history, sales aggregate history, and payment data according to any one form; Electronic receipt issuance system comprising a . According to claim 1,
The merchant payment terminal,
The electronic receipt issuing system, characterized in that by using the electronic receipt issuing program, the receipt data transmitted to the serial port connected to the printer is intercepted and output as a file before the receipt data is printed in the printer. According to claim 1,
The merchant payment terminal,
The electronic receipt issuance system, characterized in that by transmitting the encrypted receipt data obtained by encrypting the receipt data by using the electronic receipt issuing program to the interface server, hacking prevention such as a dictionary attack or a brute force attack is performed. 4. The method of claim 3,
The interface server,
Electronic receipt issuance system, characterized in that after receiving each of the encrypted receipt data from the plurality of merchant payment terminals, generating decrypted decrypted receipt data, and converting a plurality of different decrypted receipt data into the standard data. delete A process of intercepting receipt data transmitted to a printer using an electronic receipt issuance program mounted in a merchant payment terminal and outputting it as a file before being printed;
The process of converting the receipt data into standard data in the interface server, and outputting the converted data converted from the standard data into any one of a plurality of preset output formats;
The process of issuing the converted data as an electronic receipt in a preset manner in the electronic receipt server;
Including, wherein the e-receipt issuance program comprises: an e-receipt issuance driver for collecting the receipt data transmitted to the printer and converting the receipt data into a binary code; a data conversion unit converting the binary code into an ASCII code; When encrypting the ASCII code using the AES (Advanced Encryption Standard)-256 method, which is a symmetric key encryption storage technology, a random salt value is added to generate encrypted receipt data in which different result values are given even for the same data. encryption unit; When transmitting the encrypted receipt data to the outside, after checking the purchase store identification information, purchase time information, and purchase item information based on the input card number or phone number, the second purchase time information and purchase item information from the same purchase store identification information is confirmed, a transmission unit for issuing the encrypted receipt data as an electronic receipt to a terminal corresponding to the phone number without additional input of the phone number;
The interface server may include: a data decryption unit for receiving the encrypted receipt data and generating decrypted receipt data; and a standard data converter that converts the decrypted receipt data into the standard data and outputs the converted data converted from the standard data into any one of a plurality of preset output formats,
The standard data converter may include: a protocol analysis unit generating protocol analysis information obtained by analyzing a protocol for decrypted receipt data; a standard data conversion unit for generating standard data converted from data into standard data for each merchant payment terminal or ERP program based on the protocol analysis information; Based on the standard data, a parsing unit that parses and outputs a customer receipt, customer order form, kitchen order form, payment request history, sales aggregate history, and payment data according to any one form; Electronic receipt issuance method comprising a .

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