KR20130082933A - Method and system for providing merchandising service to face-to-face type safe-direct trade - Google Patents

Method and system for providing merchandising service to face-to-face type safe-direct trade Download PDF

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Publication number
KR20130082933A
KR20130082933A KR1020110141238A KR20110141238A KR20130082933A KR 20130082933 A KR20130082933 A KR 20130082933A KR 1020110141238 A KR1020110141238 A KR 1020110141238A KR 20110141238 A KR20110141238 A KR 20110141238A KR 20130082933 A KR20130082933 A KR 20130082933A
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KR
South Korea
Prior art keywords
transaction
seller
signature key
face
buyer
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KR1020110141238A
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Korean (ko)
Inventor
심규성
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주식회사 스마트로
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Priority to KR1020110141238A priority Critical patent/KR20130082933A/en
Publication of KR20130082933A publication Critical patent/KR20130082933A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0613—Third-party assisted
    • G06Q30/0619—Neutral agent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds

Abstract

The present invention relates to a method and a system for providing a face-to-face secure direct transaction brokerage service that can improve the safety and reliability of face-to-face direct transactions by enabling a user terminal in a face-to-face direct transaction to verify a transaction and to authenticate a successful transaction. The method for providing a direct goods brokerage service between a buyer and a seller in a direct brokerage server, the method comprising: a first step of providing a first signature key to a seller terminal; Providing a second signature key to the terminal of the purchaser; A third step of receiving a transaction completion signature key from the buyer side terminal or the seller side terminal, wherein the buyer side terminal and the seller side terminal exchange the first signature key and the second signature key through two-way short-range wireless communication and The side terminal or the seller side terminal generates a successful transaction signature key based on the first signature key and the second signature key; And a fourth step of authenticating the transaction signing key; And a fifth step of settingtle the payment for the seller's direct merchandise.

Description

METHOD AND SYSTEM FOR PROVIDING MERCHANDISING SERVICE TO FACE-TO-FACE TYPE SAFE-DIRECT TRADE}

The present invention relates to a method and a system for providing a face-to-face secure direct brokerage service, and more particularly, to improve the safety and reliability of a face-to-face direct transaction by enabling a user terminal to confirm a transaction and authenticate a successful transaction in a face-to-face direct transaction. The present invention relates to a method and a system for providing a face-to-face secure direct brokerage service.

Face-to-face direct transactions are face-to-face transactions that allow buyers to buy and compare goods or services directly and face-to-face, rather than face-to-face transactions. This has the advantage of being able to view and select the desired goods or services directly. However, face-to-face commerce may be exposed to the risk of loss or theft, such as purchase price, because the buyer must visit the seller with the purchase price.

Recently, as communication sales through networks such as the Internet have been widely spread, methods for providing reliability and convenience of online or non-face-to-face transactions have been introduced. For example, an escrow service may be used to increase the safety and convenience of online or non-face-to-face transactions. An example of an escrow service is disclosed in Korean Patent Publication No. 10-0821637 (2008.04.04). However, in the conventional escrow service, as the e-commerce system does not face the buyer and the seller directly, the transaction is performed through a network such as the Internet. There are limitations that are difficult to apply to commerce such as cases.

Republic of Korea Patent Publication No. 10-0821637 (2008.04.04)

The present invention has been derived to solve the above-mentioned conventional problems, an object of the present invention can improve the safety and reliability of face-to-face direct transactions by allowing the user terminal in the face-to-face direct transactions to confirm the transaction and to be authenticated. To provide a method and system for providing a face-to-face, secure direct brokerage service.

In addition, an object of the present invention is to face-to-face secure direct brokerage that can provide security for face-to-face direct transactions while ensuring the convenience of face-to-face direct transactions by exchanging information between trading parties through a user terminal and paying the transaction price through an escrow service. To provide a service providing method and system.

In order to solve the above technical problem, a method for providing a face-to-face secure direct transaction brokerage service according to an aspect of the present invention includes a first signature key in a seller terminal in a method of providing a direct transaction brokerage service between a buyer and a seller in a direct transaction brokerage server. Providing a first step; Providing a second signature key to the terminal of the purchaser; A third step of receiving a transaction completion signature key from the buyer side terminal or the seller side terminal, wherein the buyer side terminal and the seller side terminal exchange the first signature key and the second signature key through two-way short-range wireless communication and The side terminal or the seller side terminal generates a successful transaction signature key based on the first signature key and the second signature key; And a fourth step of authenticating the transaction signing key; And a fifth step of settingtle the payment for the seller's direct merchandise.

In one embodiment, the first signature key includes a trader identifier corresponding to a seller or a seller side terminal, and the second signature key includes a trader identifier corresponding to a buyer or a buyer side terminal. The first signature key and the second signature key may each include the same transaction identification information for identifying or identifying the face-to-face direct transaction. In this case, in the third step, the seller side terminal and the buyer side terminal which exchanged the first signature key and the second signature key are the transaction identification information included in the first signature key and the transaction identification information included in the second signature key. By comparing the two can be confirmed that each of the transactions promised in advance.

In one embodiment, the method for providing a face-to-face secure direct brokerage service further includes providing a transaction identification signature key to the seller terminal and the buyer terminal, respectively, before the third step. In this case, in the face-to-face secure direct transaction brokerage service providing method, before the third step, the seller side terminal and the buyer side terminal exchanges the transaction identification signature keys and compares the exchanged transaction identification signature keys, respectively, confirming that each transaction is a promised transaction. It may further comprise a step.

In one embodiment, the first signature key includes the counterpart identifier corresponding to the buyer or the buyer side terminal, and the second signature key includes the counterpart identifier corresponding to the seller or the seller side terminal. In addition, the first signature key may further include personal information or location information about the buyer obtained from the buyer side terminal, and the second signature key may further include personal information or location information about the seller obtained from the seller side terminal. have.

In an embodiment, the fourth step of the method for providing a face-to-face secure direct brokerage service may include: collecting and collating a first transaction signing key received from a seller terminal and a second transaction signing key received from a buyer terminal; And if it is determined that the first and the second successful transaction authentication keys match, transmitting the successful transaction signature key authentication response signals to the seller terminal and the purchaser terminal, respectively.

In an embodiment, the fifth step of the method for providing a face-to-face secure direct brokerage service may include: receiving a transaction completion response signal from a purchaser terminal after transaction completion signature key authentication; And providing the purchaser's purchase price for the face-to-face direct transaction to the seller after receiving the transaction completion response signal. Here, the fifth step of the face-to-face secure direct brokerage service providing method, the step of receiving a deposit delay request signal for the purchase price from the purchaser terminal before providing the purchase price to the seller side; Suspending the payment of the purchase price to the seller based on the deposit delay request signal and notifying the seller that there is a payment delay request from the buyer; And receiving a deposit delay cancellation request signal from the purchaser side terminal.

In one embodiment, the method for providing a face-to-face secure direct brokerage service includes: receiving a payment for a direct trade item from a buyer side corresponding to a buyer terminal before a first step; Notifying the seller terminal of the payment information of the purchase price; Receiving a confirmation signal indicating that the seller intends to sell the goods through a face-to-face direct transaction from the seller terminal; And notifying the purchaser terminal of the transaction connection completion signal for the face-to-face direct transaction.

According to an aspect of the present invention, there is provided a system for providing a face-to-face secure direct brokerage service, comprising: a seller side terminal configured to store a first signature key; Store the second signature key, transmit the second signature key to the seller side terminal through two-way short-range wireless communication, receive the first signature key from the seller side terminal, and close the transaction based on the first signature key and the second signature key A buyer side terminal generating a signature key; And a direct transaction intermediation server that receives the transaction completion signature key from the buyer side terminal or the seller side terminal, authenticates the received transaction completion signature key, and calculates the purchase price of the buyer for the seller and the direct transaction product.

According to the present invention, it is possible to provide a method and a system for providing a face-to-face secure direct brokerage service that can improve the safety and reliability of a transaction by enabling a user terminal in a face-to-face direct transaction to confirm a transaction and authenticate a successful transaction.

In addition, according to the present invention, face-to-face secure direct brokerage that can provide safety for face-to-face direct transactions while ensuring the convenience of face-to-face direct transactions by exchanging information between trading parties through the user terminal and settling the transaction price through an escrow service. It is possible to provide a service providing method and system.

1 is a schematic configuration diagram of a system for providing a face-to-face secure direct brokerage service according to an embodiment of the present invention.
2 to 4 are flowcharts illustrating an embodiment of a method for providing a face-to-face secure direct brokerage service that may be employed in the system of FIG. 1.
5 is a schematic configuration diagram of a system for providing a face-to-face secure direct brokerage brokerage service according to another embodiment of the present invention.
FIG. 6 is a schematic block diagram of an embodiment of a structure that may be employed in a direct transaction brokerage server of the system of FIG. 5.
7 to 9 are flowcharts for describing an embodiment of a method for providing a face-to-face secure direct brokerage service that may be employed in the system of FIG. 5.
FIG. 10 is a flowchart illustrating a deposit delay procedure employable in the settlement process of FIG. 9.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic configuration diagram of a system for providing a face-to-face secure direct brokerage service according to an embodiment of the present invention.

Referring to FIG. 1, a face-to-face secure direct transaction brokerage service providing system (hereinafter, simply referred to as a “direct transaction brokerage system”) according to the present embodiment is connected to a seller side terminal 10 and a buyer side terminal 20 through a network. Buyer side of the buyer including a direct transaction intermediary server 30, providing a first signature key to the seller side terminal 10, and providing a second signature key to the buyer side terminal 20, and then performed face-to-face direct transactions with the seller. Receiving a transaction completion signature key based on the first signature key and the second signature key from the terminal 20, and settles the transaction price with the seller based on the authentication result of the received transaction completion signature key.

In addition, the direct transaction brokerage system may be implemented to settle the transaction price with the buyer when it is confirmed that there is no defect for the goods purchased by the buyer at a point in time after the direct transaction in the settlement of the transaction price. In this case, the direct transaction brokerage system may include an escrow system that uses a trusted neutral third party to receive the transaction price from the buyer in advance before the transaction, and then pay the transaction price to the seller at the buyer's request after the transaction.

According to the direct transaction brokerage system of the present embodiment, the purchaser or the seller can be protected from the risk of theft or loss of the sale price, which may occur when the expensive goods are directly dealt with in face-to-face by exchanging signature keys with each other through the user's portable terminal. Can be. In addition, it is possible to improve the reliability of the transaction by reducing the uncertainty of the transaction about the quality of the goods purchased by the buyer. In addition, it is possible to provide convenience of the closing method.

The aforementioned face-to-face direct transaction refers to a manner in which the seller and the buyer directly face to face at a promised place and perform a transaction directly. In this face-to-face direct transaction, the buyer typically sees and purchases the goods directly from the seller, and the seller receives the payout directly from the buyer. In the face-to-face direct transaction of this embodiment, the buyer directly meets with the seller and performs a transaction to receive the goods directly from the seller. The transaction price is provided to be transmitted from the direct transaction brokerage system to the seller side by using a signature key exchanged between the buyer terminal of the buyer and the seller terminal of the seller, thereby providing safety and convenience of the direct transaction.

For example, the seller terminal 10 having the Near Field Communication (NFC) module installed thereon transmits a first signature key to the purchaser terminal 20, and the buyer terminal 20 having the NFC module installed thereon is provided. The second signature key is transmitted to the seller terminal 10.

Here, the first signature key is generated to correspond to the seller or seller side terminal 10 in the direct transaction brokerage server 30 and is transmitted to the seller side terminal 10, and the second signature key is the direct transaction brokerage server 30. Is generated to correspond to the buyer or buyer side terminal 20 is transmitted to the buyer side terminal 20. In this embodiment, the first signature key and the second signature key include the same transaction identification information.

When the first signature key and the second signature key described above are used, the seller terminal 10 receives the second signature key from the purchaser terminal 20 and uses the transaction identification information included in the second signature key as its own. The current face-to-face direct transaction can be identified or confirmed by comparing with transaction identification information included in the first signature key. Similarly, the purchaser side terminal 20 receives the first signature key from the seller side terminal 10, and transaction identification information included in the second signature key of the transaction identification information included in the first signature key. Compare or identify the current face-to-face direct deal.

In addition, the purchaser terminal 20 checks the current face-to-face direct transaction by comparing the transaction identification information, and then generates a transaction closing signature key based on the combination of the first signature key and the second signature key, and generates the transaction closing signature. The key is transmitted to the direct transaction intermediation server 30 to obtain a certificate for closing the transaction.

The direct transaction brokerage server 30 includes transaction identification information for identifying a specific face-to-face direct transaction between the seller and the buyer in the first and second signature keys and provides the seller side terminal 10 and the buyer side terminal 20, respectively. The seller and the buyer compare the other party's transaction identification information with their transaction identification information, and through this contrast, the seller and the buyer can confirm whether the face-to-face direct transaction is the desired or promised transaction. In addition, the direct transaction brokerage server 30 receives a transaction completion signature key from the buyer terminal 20 after the face-to-face direct transaction between the seller and the buyer, and the authentic or reference transaction that keeps the received transaction completion signature key on the server side. The transaction price is settled with the seller after the transaction signing key is verified against the completion key.

The seller-side terminal 10 and the buyer-side terminal 20 described above include a mobile terminal having a short range wireless communication function. Such mobile terminals may include not only existing feature phones or PDAs or notebook computers capable of wireless data communication, but also smartphones or smart pads on which applications are executed. In addition, the direct transaction brokerage server 30 may be implemented as a means for providing a face-to-face secure direct transaction service or a component that performs a function corresponding to the means, and the seller terminal 10 through a network such as wireless communication or wireless Internet. ) Or the purchaser side terminal 20.

2 to 4 are flowcharts illustrating an embodiment of a method for providing a face-to-face secure direct brokerage service that may be employed in the system of FIG. 1.

Referring to FIG. 2, the seller registers to the face-to-face direct transaction service of the direct transaction brokerage server 30 using the seller terminal 10 (S210). The seller may register information on the seller side terminal 10 and the goods to be sold through the face-to-face direct transaction in the direct transaction brokerage server 30. The buyer registers in the face-to-face direct transaction service of the direct transaction brokerage server 30 using the buyer side terminal 20 (S220). The buyer may register the information on the purchaser terminal 20 and the information about the goods to be purchased through the face-to-face direct transaction in the direct transaction brokerage server 30.

Based on the registration information of the seller and the buyer, the direct transaction brokerage server 30 transmits a notification message indicating that there is a buyer who wants to purchase the seller's goods to the seller terminal 10 (S230). In this case, the notification message includes the contact information of the buyer. The contact information of the buyer may include a phone number, an e-mail address, a messenger ID, and the like, connected to the buyer side terminal 20.

The seller receiving the contact information of the buyer may directly contact the buyer terminal 20 through the seller side terminal 10 to directly perform communication such as confirmation of a transactional item and confirmation of purchase intention for the face-to-face direct transaction between the seller and the buyer ( S240). Of course, it is also possible for the buyer to contact the seller first.

When the communication about the face-to-face direct transaction is smoothly performed, the buyer side terminal 20 deposits the transaction price for the goods to be purchased to the direct transaction intermediation server 30 (S250). That is, the purchaser deposits the transaction price into the financial account guided by the direct transaction brokerage server 30 or the direct transaction brokerage server through the buyer terminal 20 or a financial service means such as credit card or bank transfer. When the transaction price is received from the buyer side, the direct transaction brokerage server 30 notifies the seller that the transaction price for the corresponding direct transaction has been deposited (S260). The deposit notification is sent from the direct brokerage server 30 to the seller terminal 10 through a text / multimedia message service, a telephone, an email, a push message of an online messenger, a push message on a smartphone application, a messenger service in a social network service, and the like. Can be sent.

Upon receiving the deposit notification, the seller terminal 10 transmits a sales intention confirmation signal for the corresponding article to the direct transaction intermediation server 30 (S270). The sales intention confirmation signal is a seller's response to the purchaser's payment. The direct transaction intermediation server 30 receiving the sales intention confirmation signal from the seller terminal 10 transmits a purchase connection completion notification to the buyer terminal 20 informing that the transaction connection between the seller and the buyer is completed (S280). The preliminary preparation process for face-to-face, secure trades between buyers and buyers is terminated.

The method for providing a face-to-face secure direct transaction service of this embodiment is an embodiment of a preliminary preparation process for a face-to-face secure direct transaction, and has been shown to be implemented to have some form of escrow service. As will be described later, a face-to-face secure direct transaction is established by the seller and the buyer confirming the direct transaction by authenticating the signature key between the seller terminal and the buyer terminal, and authenticating the signature key generated by the combination of the signature keys on the server side. Given that this is the main technical feature of the present invention, the above-described preparatory process may be selectively employed in a face-to-face safety direct transaction. If the above-described preparation process is omitted, in one embodiment, the buyer may pay the purchase price directly to the seller or settle the transaction price through the direct transaction brokerage server within a certain period after the face-to-face secure direct transaction.

Next, referring to FIG. 3, the direct transaction brokerage server 30 generates a first signature key, a second signature key, and a transaction signature key to be used in a promised or designated face-to-face direct transaction between the seller and the buyer (S310). .

Here, the first signature key identifies a seller or has a transaction identifier that corresponds to the seller side terminal 10, and the second signature key identifies a buyer or a transaction identifier that corresponds to the buyer side terminal 20. . The transaction identifier may include a predetermined unique code or unique number. In addition, the first signature key and the second signature key of the present embodiment include the same transaction identification information. Transaction identification information includes information for identifying a face-to-face direct transaction at a specific time and place specified in advance between the seller and the buyer. For example, the transaction identification information may include a unique number or a unique code assigned to the face-to-face direct transaction. In addition, the transaction completion signature key generated by the direct transaction broker server 30 is the authenticity or standard of the transaction completion signature key for keeping on the server side, and contrasts with the transaction completion signature key received from the seller side or the buyer side after the face-to-face direct transaction. It is for.

Next, the direct transaction brokerage server 30 transmits the first signature key to the seller side terminal 10 (S320). The seller terminal 10 stores or records the received first signature key in a memory area or an electronic wallet of the smart chip (S330), and transmits a notification signal for the signature key normal record to the direct transaction intermediation server 30 ( S340). Similarly, the direct transaction brokerage server 30 transmits the second signature key to the purchaser side terminal 20 (S350). The purchaser terminal 20 stores or records the received second signature key in a memory area or an electronic wallet of the smart chip (S360), and transmits a notification signal for the signature key normal record to the direct transaction intermediation server 30 ( S370).

Next, referring to FIG. 4, the seller and the buyer, each carrying a terminal on which the signature key for the face-to-face direct transaction is recorded, meet at a specific place at a promised time to confirm the goods and deliver the goods (S410). In this case, the seller terminal 10 and the buyer terminal 20 exchanges the first signature key and the second signature key through short-range wireless communication when they are within a predetermined distance (S420). That is, the seller terminal 10 transmits the first signature key to the purchaser terminal 20 through short-range wireless communication and receives the second signature key from the purchaser terminal 20, and the buyer terminal 20 is The second signature key is transmitted to the seller side terminal 10 and the first signature key is received from the seller side terminal 10.

Next, the purchaser terminal 20 compares the second transaction identification information in the second signature key recorded in its terminal with the first transaction identification information in the first signature key received from the seller terminal 10 and these are compared. Check whether it matches (S430). The seller terminal 20 may also check whether the first transaction identification information in the first signature key and the second transaction identification information in the second signature key match (S432). Using the matching process of the first and second transaction identification information, the seller and the buyer can directly confirm that the face-to-face direct transaction is the transaction that they have promised in advance.

Next, the purchaser terminal 20 generates a transaction signing key by combining the first signature key and the second signature key (S440). The transaction signature key may exclude the first and second transaction identification information. The transaction closing key is generated to include the information on the buyer side, the information on the seller side, and the information on the corresponding face-to-face direct transaction. Corresponds to a copy of the transaction signing key for obtaining the authentic face-to-face transaction. The purchaser side terminal 20 transmits the generated transaction completion authentication key to the direct transaction brokerage server and requests authentication (S450).

Next, the direct transaction intermediation server 30 authenticates the transaction completion authentication key of the buyer terminal 20 by comparing the transaction completion authentication key received from the buyer terminal 20 with the transaction succession authentication key stored in the database. S460). In addition, the direct transaction brokerage server 30 transmits an authentication response signal for the transaction completion authentication key to the purchaser side terminal 20 (S470). In addition, the direct transaction brokerage server 30 notifies the seller-side terminal 10 that the transaction is completed based on the authentication of the transaction completion authentication key (S480).

5 is a schematic configuration diagram of a system for providing a face-to-face secure direct brokerage brokerage service according to another embodiment of the present invention.

Referring to FIG. 5, the secure face-to-face direct brokerage service providing system according to the present embodiment (hereinafter, simply referred to as a 'direct transaction brokerage system') is connected to a seller terminal 10 and a buyer terminal 20 via a network. After including the direct transaction intermediary server 30, providing the first signature key and transaction identification signature key to the seller terminal 10, and the second signature key and transaction identification signature key to the buyer terminal 20 after the seller After the direct transaction between the buyer and the buyer, the first transaction signing key based on the first signing key and the second signing key is received from the seller terminal 10 and the second signing key based on the second signing key and the first signing key from the buyer side terminal 20. Receive the second transaction signing key, collect and compare the received first transaction signing key and the second transaction signing key to authenticate the transaction signing key and settle the transaction price with the seller.

In the present embodiment, the transaction identification signature key is for identifying a face-to-face direct transaction at a specific time and a specific place previously specified between the seller and the buyer, and basically includes a unique number or a unique code assigned to the face-to-face direct transaction.

The first signature key identifies the buyer or has a counterpart identifier corresponding to the buyer side terminal 20, and the second signature key includes a counterpart identifier identifying the seller or corresponding to the seller side terminal 20. The counterpart identifier may basically include a unique code or a unique number for the counterpart or the counterpart terminal as information about a counterpart.

In addition, at least one of the first signature key and the second signature key may include information on a predetermined face-to-face direct transaction such as transaction date, transaction time, transaction location, personal information on the name of the transaction counterpart, and the current location of the counterpart. And location information about the data. When the first or the second signature key includes location information on the counterparties, the direct transaction intermediation server 30 may be used by the seller side terminal 10 or the buyer side terminal 20 to improve transaction convenience of the face-to-face direct transaction. Acquiring the location information of the seller side terminal 10 and the buyer side terminal 20 through a separate location information providing system located on the network based on the registration information, and the obtained location information is the first or second signature The at least part of the key may be updated in real time to the seller terminal 10 and the buyer terminal 20.

In this embodiment, the seller side terminal 10 receives the first signature key corresponding to the seller from the direct transaction brokerage server 30, and provides the first signature key to the buyer side terminal 20. In addition, the seller terminal 10 receives the second signature key from the buyer terminal 20, and compares the transaction identification information contained in the second signature key with the transaction identification information included in its first signature key To identify or identify the current direct deal. The seller terminal 10 generates a transaction completion signature key based on the combination of the first signature key and the second signature key, and transmits the generated transaction completion signature key to the direct transaction brokerage server 30.

The buyer terminal 20 receives a second signature key corresponding to the buyer from the direct transaction brokerage server 30 and provides the second signature key to the seller terminal 10. Also, the purchaser terminal 20 receives the first signature key from the seller terminal 10 and compares the transaction identification information included in the first signature key with the transaction identification information included in the second signature key thereof. To identify or identify the current direct deal. In addition, the purchaser terminal 20 generates a transaction closing signature key based on the combination of the first signature key and the second signature key, and transmits the generated transaction closing signature key to the direct transaction intermediation server 30.

In the face-to-face direct transaction, the seller and the buyer transmit their transaction identification key to the other party through short-range wireless communication between the seller side and the buyer-side terminals 10 and 20 during the face-to-face direct transaction, or the other party's transaction identification signature key. It checks whether the corresponding face-to-face direct transaction is a desired or promised transaction by checking the received counterpart's transaction identification signature key with its transaction identification signature key and confirming that they match each other.

The direct transaction brokering server 30 provides the transaction identification signature key for identifying the specific face-to-face direct transaction between the seller and the buyer to the seller terminal 10 and the buyer terminal 20, respectively, so that the seller and the buyer sign the transaction identification of the other party. The key and the child's transaction identification signature are matched, and this collation allows the seller and the buyer to directly verify on-site whether the face-to-face direct transaction is a desired or promised transaction. In addition, the direct transaction intermediary server 30 provides different signing keys to the seller side terminal 10 and the buyer side terminal 20, and after the face-to-face direct transaction between the seller and the buyer, the seller side terminal 10 and the buyer side terminal 20 Receive the transaction signing key from), collect and match the first and second transaction signing keys received from both sides, confirm the agreement, and then authenticate the transaction and settle the payment with the seller.

FIG. 6 is a schematic block diagram of an embodiment of a structure that may be employed in a direct transaction brokerage server of the system of FIG. 5.

Referring to FIG. 6, the direct transaction intermediation server 30 may include a transaction identification information generation unit 301, a trader signature key generation unit 302, a transaction completion signature key generation unit 303, an authentication unit 304, and a settlement unit ( 305, a communication unit 306, and a control unit 307.

The transaction identification information generation unit 301 generates a transaction identification signature key that can confirm or identify the face-to-face direct transaction promised between the seller and the buyer. The transaction identification signature key may be inserted into the first signature key and the second signature key which will be described later as transaction identification information.

The trader signature key generation unit 302 generates a first signature key and a second signature key used to identify or identify a transaction party or a counterparty. The first signature key may be generated to correspond to the seller or the seller side terminal or to correspond to the buyer or the buyer side terminal. Similarly, the second signature key may be generated to correspond to the buyer or the buyer side terminal or to correspond to the seller or the seller side terminal. In the present embodiment, it is assumed that the first signature key corresponds to the buyer or the buyer side terminal, and the second signature key corresponds to the seller or the seller side terminal.

The transaction closing signature key generation unit 303 generates a transaction closing signature key for authenticating the transaction closing of a predetermined or promised face-to-face direct transaction between the seller and the buyer. In the present embodiment, when the direct transaction intermediary server receives the transaction completion signature key from both the seller terminal and the buyer terminal after the face-to-face direct transaction between the seller and the buyer, the transaction completion signature key generation unit 303 may be omitted.

The authentication unit 304 authenticates the transaction completion by comparing the transaction completion signature key stored on the server side with the transaction completion signature key received from the seller terminal or the buyer side terminal. In another aspect, the authentication unit 304 may authenticate the transaction success by collecting and matching the first transaction verification key received from the seller terminal and the second transaction verification key received from the buyer terminal.

The settlement unit 305 settles the transaction price or purchase price with the seller side after the transaction completion is authenticated. The settlement unit 305 may settle the transaction price with the buyer or seller after a certain time has passed after authenticating the transaction completion according to the face-to-face secure direct transaction brokerage service scenario.

The communication unit 306 is connected to the seller terminal and the buyer terminal through a network, and processes the registration procedure for service subscription or transmits and receives a signature key for face-to-face direct transaction. In addition, the communication unit 306 provides a user interface for providing a face-to-face secure direct brokerage service to the seller side terminal and the buyer side terminal, and processes data transmission and reception necessary for the same.

The control unit 307 to the transaction identification information generation unit 301, the trader signature key generation unit 302, the transaction closing signature key generation unit 303, the authentication unit 304, the settlement unit 305 and the communication unit 306 It controls the overall behavior of the direct brokerage server by connecting and coordinating their behavior.

7 to 9 are flowcharts for describing an embodiment of a method for providing a face-to-face secure direct brokerage service that may be employed in the system of FIG. 5.

Referring to FIG. 7, the direct transaction brokerage server 30 generates a transaction identification signature key, a first signature key, and a second signature key for use in a promised or designated face-to-face direct transaction between the seller and the buyer (S710).

Next, the direct transaction intermediation server 30 transmits the first signature key and the transaction identification signature key to the seller side terminal 10 (S720). The seller terminal 10 stores or records the received transaction identification signature key and the first signature key in a memory area or an electronic wallet of the smart chip (S730), and sends a notification signal for the signature key normal record to the direct transaction intermediation server 30. (S740). Similarly, the direct transaction brokerage server 30 transmits the second signature key and the transaction identification signature key to the purchaser side terminal 20 (S750). The purchaser terminal 20 stores or records the received transaction identification signature key and the second signature key in a memory area or an electronic wallet of the smart chip (S760), and sends a notification signal for the signature key normal record to the direct transaction intermediation server 30 In step (S770).

Next, referring to FIG. 8, a seller and a buyer carrying a terminal having a transaction identification signature key and a first or second signature key recorded for a face-to-face direct transaction, respectively, meet at a specific place at an appointed time to check the goods and To guide (S810). At this time, the seller side terminal 10 and the buyer side terminal 20 exchanges transaction identification signature keys with each other through short-range wireless communication (S820). Here, the seller side terminal 10 and the buyer side terminal 20 may exchange only some information included in the transaction identification signature key, for example, a unique number or a unique code.

Next, the seller terminal 10 checks whether the unique number or unique code in its transaction identification signature key and the unique number or unique code in the transaction identification signature key received from the buyer side terminal 20 match (S822). Similarly, the purchaser terminal 20 confirms whether the unique number or unique code in its transaction identification signature key and the unique number or unique code in the transaction identification signature key received from the seller side terminal 10 match (S824). ). If the transaction identification signature key of the seller side terminal 10 and the transaction identification signature key of the buyer side terminal 920 substantially match, the seller side terminal 10 and the buyer side terminal 20 sign the first signature through short-range wireless communication. The key and the second signature key are exchanged with each other (S830).

Next, the seller terminal 10 generates a first transaction signature key based on the combination of the first signature key and the second signature key (S832), and the direct transaction brokerage server 30 generates the first transaction signature key. Request for authentication by transmitting to (S834). Similarly, the buyer terminal 20 generates a second transaction signing key based on the combination of the first signature key and the second signature key (S836), and converts the second transaction signing key into the direct transaction brokerage server ( Request for authentication by sending to 30) (S838). The first and second transaction signing keys include information on the buyer side, information on the seller side, and information on the face-to-face direct transaction.

Next, the direct transaction intermediation server 30 collects and compares the first transaction completion signature key received from the seller side terminal 10 and the second transaction completion signature key received from the buyer side terminal 20 to compare the transaction completion signature key. Authentication (S840). The direct transaction brokering server confirms that the normal transaction is performed between the seller and the buyer by matching the first and second transaction signing keys. In addition, the direct transaction brokerage server 30 transmits an authentication response signal for the first transaction successful authentication key to the seller terminal 10 (S842), and sends an authentication response signal for the second transaction successful authentication key to the buyer terminal ( 20) (S844).

Next, referring to FIG. 9, the direct transaction brokerage server 30 transmitting the authentication response signal for the transaction completion authentication key to the seller side terminal 10 and the buyer side terminal 20 performs a transaction from the seller side terminal 10. Receiving a closing response signal (S910), and receives a transaction closing response signal from the buyer-side terminal 20 (S920). In addition, the direct transaction brokerage server 30 deposits the purchase price of the buyer to the seller immediately after the face-to-face direct transaction or after a predetermined period of time according to a predetermined service scenario such as a face-to-face direct transaction service agreement (S940), and the seller terminal ( 10) can be notified of the payment of the sale price (S950). In addition, the direct transaction brokerage server 30 may notify the purchaser terminal 20 of the settlement completion of the purchase price (S960).

FIG. 10 is a flowchart illustrating a deposit delay procedure employable in the settlement process of FIG. 9.

Referring to FIG. 10, the direct transaction brokerage server 30 that transmits the authentication response signal for the transaction completion authentication key to the seller side terminal 10 and the buyer side terminal 20 receives a transaction completion response signal from the seller side terminal 10. Receive (S910), or receives a transaction completion response signal from the buyer side terminal 20 (S920).

Next, the direct transaction brokerage server 30 checks whether there is a deposit delay request in order to settle the sales price with the seller after a predetermined period of time after the face-to-face direct transaction according to a predetermined service scenario such as a face-to-face direct transaction service agreement. S930). Here, the buyer finds a defect in the purchased goods, and requests the delay of the payment of the purchase price to the direct transaction brokerage server 30 (S934). As a result of the check, if there is a deposit delay request of the purchase price, the direct transaction intermediation server 30 notifies the seller terminal 10 that there is a request for delay in depositing the buyer (S936). In the state in which payment settlement is delayed, the seller and the buyer can check the reason for the delay of the payment for the defect of the goods and resolve it (S938).

When the reason for the delay of payment is resolved, the buyer terminal 20 transmits a deposit delay cancellation request signal to the direct transaction broker server 30 (S939). The direct transaction intermediation server 30 processes the payment of the purchaser's purchase price to the seller based on the deposit delay cancellation request signal (S940), and notifies the seller's terminal 10 of the payment of the sale price (S950). In addition, the direct transaction brokerage server 30 notifies the purchaser terminal 20 of the settlement completion of the purchase price (S960).

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. It will be possible. Accordingly, the present invention should be construed by reference to the appended claims, drawings, and the like, and all of its equivalents or equivalent variations fall within the scope of the present invention.

10: seller side terminal
20: buyer side terminal
30: Direct brokerage server

Claims (13)

In the method of providing a direct goods brokerage service between the buyer and the seller in the direct deal brokerage server,
Providing a first signature key to the seller terminal;
Providing a second signature key to the purchaser terminal;
A third step of receiving a transaction completion signature key from the buyer side terminal or the seller side terminal, wherein the buyer side terminal and the seller side terminal connect the first signature key and the second signature key through two-way short-range wireless communication; Mutually exchange, and the buyer-side terminal or the seller-side terminal generates a successful transaction signature key based on the first signature key and the second signature key; And
A fourth step of authenticating the transaction signing key; And
A fifth step of paying for the seller's direct merchandise;
Face-to-face secure direct brokerage service providing method comprising a. The method of claim 1,
The first signature key includes a transaction identifier corresponding to the seller or the seller side terminal, and the second signature key includes a transaction identifier corresponding to the buyer or buyer side terminal. The method of claim 1,
And the first signature key and the second signature key each include the same transaction identification information for identifying or identifying the face-to-face direct transaction. The method of claim 3,
In the third step, the seller side terminal and the buyer side terminal that exchanged the first signature key and the second signature key are transaction identification information included in the first signature key and transaction identification included in the second signature key. A method of providing face-to-face, secure direct brokerage services that compares information and identifies each as a previously promised transaction. The method of claim 1,
And providing a transaction identification signature key to the seller side terminal and the buyer side terminal, respectively, before the third step. The method of claim 5,
Prior to the third step, the seller-side terminal and the buyer-side terminal further comprising the step of mutually exchanging the transaction identification signature keys and comparing each exchanged transaction identification signature keys, respectively, and confirming that the transaction is a promise. How we deliver the service. The method of claim 5,
And the first signature key includes a counterpart identifier corresponding to the buyer or a buyer side terminal, and the second signature key includes a counterpart identifier corresponding to the seller or seller side terminal. The method of claim 7, wherein
The first signature key further includes personal information or location information of the buyer obtained from the buyer-side terminal, and the second signature key is a personal information or location information of the seller obtained from the seller-side terminal. A method for providing a face-to-face secure direct brokerage service further comprising. The method of claim 1,
In the fourth step,
Collecting and collating a first transaction closing signature key received from the seller terminal and a second transaction closing signature key received from the buyer terminal; And
If the first and second transaction completion authentication keys match, transmitting the transaction completion signature key authentication response signals to the seller terminal and the purchaser terminal, respectively.
Face-to-face secure direct brokerage service providing method comprising a. The method of claim 1,
In the fifth step,
Receiving a transaction completion response signal from the buyer terminal after the transaction completion signature key authentication; And
Providing the purchaser's purchase price for the face-to-face direct transaction to the seller after receiving the transaction completion response signal;
Face-to-face secure direct brokerage service providing method comprising a. The method of claim 10,
In the fifth step,
Before providing the seller to the seller,
Receiving a deposit delay request signal for the purchase price from the purchaser terminal;
Delaying provision of the purchase price to the seller on the basis of the deposit delay request signal and notifying the seller that there is a deposit delay request from the buyer; And
Receiving a deposit delay cancellation request signal from the purchaser terminal;
Face-to-face secure direct brokerage service providing method comprising a. The method of claim 1,
Before the first step,
Receiving a purchase price for a direct transaction item from a buyer side corresponding to the buyer side terminal;
Notifying the seller terminal of the payment information of the purchase price;
Receiving an acknowledgment signal from the seller terminal indicating that the seller intends to sell the goods through the face-to-face direct transaction; And
And providing the buyer-side terminal of a transaction connection completion signal for the direct transaction. In the system for providing direct goods brokerage services between buyers and sellers,
Seller side terminal for storing the first signature key;
Store a second signature key, transmit the second signature key to the seller side terminal through two-way short-range wireless communication, receive the first signature key from the seller side terminal, and the first signature key and the second signature A buyer-side terminal generating a transaction signing key based on the key; And
Direct transaction intermediation server for receiving a transaction completion signature key from the buyer side terminal or the seller side terminal, authenticating the received transaction completion signature key, and settles the purchase price of the buyer for the seller and the direct transaction item.
Face-to-face secure direct brokerage service providing system comprising a.
KR1020110141238A 2011-12-23 2011-12-23 Method and system for providing merchandising service to face-to-face type safe-direct trade KR20130082933A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150039648A (en) * 2013-10-02 2015-04-13 주식회사 넥슨코리아 Apparatus and method for exchanging items at close range
WO2018067408A3 (en) * 2016-10-03 2018-07-26 Spencer Brown Systems and methods for identifying parties based on coordinating identifiers
KR20210071415A (en) * 2019-12-06 2021-06-16 주식회사 엘핀 Customer facing sale certifivation system and method thereof
US11070943B2 (en) 2016-10-03 2021-07-20 J2B2, Llc Systems and methods for identifying parties based on coordinating identifiers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150039648A (en) * 2013-10-02 2015-04-13 주식회사 넥슨코리아 Apparatus and method for exchanging items at close range
WO2018067408A3 (en) * 2016-10-03 2018-07-26 Spencer Brown Systems and methods for identifying parties based on coordinating identifiers
US11070943B2 (en) 2016-10-03 2021-07-20 J2B2, Llc Systems and methods for identifying parties based on coordinating identifiers
KR20210071415A (en) * 2019-12-06 2021-06-16 주식회사 엘핀 Customer facing sale certifivation system and method thereof

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