KR100785275B1 - Method and system for providing contents using coupon - Google Patents

Abstract

The present invention relates to a method and system for providing content using a coupon, and more particularly, to a method for generating a coupon number through encryption based on an item serial number and providing various kinds of content through the coupon number. It is about the system.

Content providing method using a coupon according to an aspect of the present invention, receiving the coupon issuance information including the content list information from the coupon issuer server; Generating an item serial number based on the coupon issuance information, and storing the generated item serial number in a database; Generating a coupon number by performing encryption based on the item serial number; Receiving the coupon number from a content provider server; Decoding the received coupon number to determine validity; If it is determined that the received coupon number is valid, extracting an item serial number associated with the received coupon number from the database; And transmitting content information associated with the content provider server to the content provider server in consideration of the extracted item serial number and the content list information.

According to the content providing method and system using the coupon according to the present invention, by providing the content information through the item serial number, it is possible to provide a variety of content and payment in a more flexible manner, and further easier to link with new content The effect can be obtained.

Serial Number, Coupon, Content Delivery, N: 1 Mapping, Encryption

Description

Method and system for providing contents using coupons {METHOD AND SYSTEM FOR PROVIDING CONTENTS USING COUPON}

1A is a block diagram illustrating a network configuration of a content providing system 100 using a coupon according to an embodiment of the present invention.

1B is a block diagram illustrating an internal configuration of a content providing system using a coupon according to an embodiment of the present invention.

2 is a flowchart illustrating a process for providing content using a coupon according to an embodiment of the present invention.

3 is a diagram illustrating an example of a plurality of content information that may be included in content list information according to an embodiment of the present invention.

FIG. 4A is a diagram illustrating a step of mapping a plurality of pieces of content information to one coupon number N: 1 according to one embodiment of the present invention.

4B is a diagram illustrating an example of a coupon number generated by a content providing method using a coupon according to an embodiment of the present invention.

5 is a flowchart illustrating a process of dualizing a coupon number according to an embodiment of the present invention.

6 is an internal block diagram of a general-purpose computer device that can be employed to perform a method of providing content using a coupon, a method of generating a coupon number, and a method of authenticating a coupon number.

<Explanation of symbols for main parts of the drawings>

100: content providing system using the coupon

101: coupon issue information receiving unit

102: database

103: coupon number generation unit

104: coupon number receiving unit

105: coupon number authentication unit

106: content information transmission unit

110: coupon issuer server

120: content provider server

130: communication network

The present invention relates to a method and system for providing content using a coupon, and more particularly, to a method for generating a coupon number through encryption based on an item serial number and providing various kinds of content through the coupon number. It is about the system.

Recently, with the rapid spread of the Internet, various contents are actively provided through the Internet, and payment methods have been diversified accordingly. Currently, a method of using a credit card, a method of using electronic money, a method of using a mobile phone, a method of using internet banking, etc. are used as a method of providing and paying contents on the Internet.

First, the method of using a credit card may expose the user's credit information entered at the time of payment to the user or expose the transaction risks due to fraudulent transactions, and the seller should provide a separate payment method and security method. There is a problem that must bear the additional costs. In addition, when the user is a minor or a bad credit card that is not issued a credit card payment method using a credit card can not be utilized.

In addition, the method of using electronic money has the advantage that the user can be freed from the burden of fees, but due to the characteristics of the electronic money, the limit of use is limited to a small amount. There is a problem that is difficult to use as a payment means.

In addition, the method of using a mobile phone also includes a similar problem to the method of using the electronic money, and there is a problem in that the method of using internet banking cannot be used in a public place.

Therefore, in order to solve the problems of the aforementioned payment method, a content providing method using a coupon has been newly devised.

The content providing method using a coupon according to the prior art simply generates a serial number based on a variable DB, receives a serial number, reads and authenticates the content, and provides the content. The generated serial number is equal to the coupon number. The content providing method using the coupon according to the related art encrypts all of the coupon issuance information received from the coupon issuer server and stores the contents in a limited digit coupon number. Thus, various contents are stored in one coupon number. There was a difficulty in providing the scheme through the system, and thus there was a disadvantage in that only one content should be provided through one coupon number.

Because of this, the user has to buy the number of coupons in order to use the plurality of contents, so that the user has to take time and economic loss due to the purchase of multiple coupons, and has to suffer difficulties in managing the plurality of coupon numbers. Meanwhile, the issuer of the coupon also had a burden of producing and issuing an excessive number of coupons.

In addition, the prior art according to the method of simply generating a serial number and identifying it with a coupon number was relatively easy to decrypt due to the backwardness of the encryption technology for generating the serial number. There was a problem that frequently occurs.

Accordingly, a new method for providing various contents through a single coupon number and preparing for decryption is also required.

The present invention has been made to improve the prior art as described above, the object of the present invention to provide a plurality of various contents through one coupon number to reduce the time and economic loss of the user due to the purchase of the coupon.

Another object of the present invention is to reduce a user's difficulty caused by managing a plurality of coupon numbers by providing a plurality of various contents through one coupon number.

Another object of the present invention is to reduce the burden on the coupon issuer to produce and issue an excessive number of coupons by providing a plurality of various contents through one coupon number.

Still another object of the present invention is to prevent illegal decryption through dualization of the coupon number by double encryption so as to induce a legitimate purchase of the coupon.

Another object of the present invention is to ultimately facilitate the activation of Internet content providing services and electronic commerce through coupons.

In order to achieve the above object and solve the problems of the prior art, a content providing method using a coupon according to an aspect of the present invention, receiving the coupon issuance information including the content list information from the coupon issuer server; Generating an item serial number based on the coupon issuance information, and storing the generated item serial number in a database; Generating a coupon number by performing encryption based on the item serial number; Receiving the coupon number from a content provider server; Decoding the received coupon number to determine validity; If it is determined that the received coupon number is valid, extracting an item serial number associated with the received coupon number from the database; And transmitting content information associated with the content provider server to the content provider server in consideration of the extracted item serial number and the content list information. Contents providing system using the coupon according to an aspect of the present invention, coupon issuance information receiving unit for receiving coupon issuance information including content list information from the coupon issuer server; A database for storing an item serial number; A coupon number generation unit for generating an item serial number in response to receiving the coupon issuing information, storing the generated serial number in the database, and generating an coupon number by performing encryption based on the item serial number; Coupon number receiving unit for receiving a coupon number from the content provider server; A coupon number authentication unit that determines whether the received coupon number is valid by decoding the coupon number, and extracts an item serial number associated with the received coupon number from the database when it is determined that the received coupon number is valid; And a content information transmitter configured to transmit content information associated with the content provider server to the content provider server in consideration of the extracted item serial number and the content list information.

As used herein, encryption refers to an operation of converting plain text into an encrypted text that cannot be understood as it is. Decryption, on the other hand, refers to an operation of converting a cipher text into a plain text.

Cryptanalysis, on the other hand, means that a third party estimates plain text from a ciphertext through a method other than a legitimate procedure, unlike a decryption in which a legitimate recipient converts a ciphertext into a plain text through a legitimate procedure.

Hereinafter, with reference to the accompanying drawings will be described in detail a method and system for providing content using a coupon according to an aspect of the present invention.

1A is a block diagram illustrating a network configuration of a content providing system using a coupon according to an embodiment of the present invention.

As shown in FIG. 1A, a content providing system 100 using a coupon according to an embodiment of the present invention generates a coupon number in association with a coupon issuer server 110 and a content provider server 120 and is issued. Perform the verification process for the coupon number. The coupon issuer means a person who provides various contents including web content and a person who has agreed to issue a coupon and is responsible for issuing coupons on behalf of the content provider. Here, the coupon issuer may be a different subject from the content provider, or the coupon issuer and the content provider may be the same subject. Meanwhile, the coupon issuer server 110 is a server operated by the coupon issuer, and serves to transmit coupon issuer information of the coupon issuer to the content providing system 100 using the coupon according to an exemplary embodiment of the present invention. do. In addition, the content provider is a person who provides various contents including web content. For example, the content provider may be a game service operator providing a game or an internet shopping mall operator selling a product. The content provider server 120 is a server operated by the content provider, and may be a game service server or an internet shopping mall server in the above example. The content provider and the content provider server are not limited to the above examples, and mean a person providing various contents and a server operated by the content provider.

The user who purchases the coupon online or offline accesses the coupon number by accessing the content provider server 120 that can use the coupon through the communication network 130 using the user terminal 140 to receive the content using the coupon. In this case, as described below, the coupon number input unit 104 receives the coupon number input from the content provider server 120.

1B is a block diagram illustrating an internal configuration of a content providing system using a coupon according to an embodiment of the present invention.

As shown in FIG. 1B, the content providing system 100 includes a coupon issuing information receiving unit 101, a database 102, a coupon number generating unit 103, a coupon number receiving unit 104, a coupon number authenticating unit 105, And a content information transmission unit 106. Hereinafter, the function of each component will be described in detail with reference to FIG. 1.

The coupon issue information receiving unit 101 receives coupon issue information including content list information from the coupon issuer server 110.

The coupon issuance information will be mostly received on-line using a server operated by the coupon issuer, but the coupon issuance information may be received off-line rather than the server.

Here, the content list information is a list of various content information provided by the content providing service and system using the coupon according to the present invention in the form of a list, and may be correlated or irrelevant with each content information. For example, when one piece of content information is referred to as a "game item", the other piece of content information may be "internet karaoke use right" that is completely unrelated to the "game item". As such, the content list information may include various types of content information regardless of whether or not there is an association between each content information. A detailed description of the content list information will be described later with reference to FIG. 3.

The coupon issuance information may include various information requested by the coupon issuer, such as the amount of money and the number of coupon issuances, in addition to the content list information. For example, the content list information includes content information of "game item", "goods", "lottery", and the coupon issuance information is "1" in the order of listing the content information in the amount of each content information. Thousand won "," 5,000 won "," 10,000 won ", and may include" 5,000 copies "information and the like as the number of coupon issuance.

In response to receiving the coupon issuance information, the coupon number generation unit 103 generates an item serial number and stores it in the database 102, and generates a coupon number by performing encryption based on the item serial number. First, it is necessary to change the coupon issuance information received from the coupon issuer server 110 into a format that can be encrypted. Hereinafter, the coupon issuance information in the modified format will be referred to as item data information.

The item serial number refers to an array of indexed numbers generated based on such item data information. The item serial number is a kind of means for referring to item data information rather than the item data information itself. Is the basis. For example, the content list information includes content information of "game item", "product", "lottery", and the amount in providing each content information is "1,000 won", "in order of listing the content information. 5,000 "and" 10,000 won ", and the coupon issuance information is" 5,000 copies "when the coupon issuance information is received, the received coupon issuance information can be changed to the format (Format) of the item data information can be referred to this If you create an array of random indexed numbers, then the generated array of any indexed numbers becomes the item serial number.

The content providing system 100 using the coupon according to an aspect of the present invention stores the generated item serial number in the database 102, and the item serial number stored in the database 102 thus identifies content information as described below. By doing so, the content providing system 100 using the coupon according to the present invention may provide various types of content information through one coupon number.

The content providing system 100 using the coupon according to an aspect of the present invention performs encryption based on the item serial number and generates a coupon number through this. A description of the encryption algorithm used to perform the encryption and encryption will be described later with reference to FIG. 2 and the description thereof will be omitted.

Meanwhile, there may be a method of storing the generated coupon number in the database 102 or there may be a method of not storing the generated coupon number in the database 102. The method of storing the coupon number in the database 102 has the disadvantage of leaking the coupon number due to system hacking, but has a convenient advantage in systematically storing and managing use information of the coupon number. Conversely, the method of not storing the coupon number in the database 102 has the advantage of blocking the possibility of leaking the coupon number due to system hacking, but disadvantages in systematically storing and managing the usage information of the coupon number. have. Therefore, selecting one of the two methods is a problem that should be determined by the operator of the content providing system using the coupon, and the content providing system 100 using the coupon according to the present invention stores any one of the coupon numbers. It is not limited by the manner of.

The coupon number receiving unit 104 receives the coupon number from the content provider server 120.

A user who purchases a coupon online or offline accesses a content provider server 120 that can use the coupon through a communication network and inputs a coupon number to receive contents using the coupon. The coupon number input unit 104 receives the coupon number input from the content provider server 120. For example, when a user who purchases a coupon capable of providing the "game item" content accesses the content provider server 120 that provides the "game item" to receive the "game item", and inputs the coupon number. The coupon number receiving unit 104 receives the input coupon number from the content provider server 120.

Since the coupon number received by the coupon number receiving unit 104 is generated by being encrypted, the coupon number authentication unit 105 determines whether the coupon number is valid by decrypting the coupon number. Here, determining the validity of the coupon number may mean determining whether the coupon number is a coupon number generated through the content providing system 100 using the coupon according to the present invention, and also the content associated with the coupon number. May also mean checking whether or not has already been provided to the user. If the operator of the content providing system using the coupon selects a method of storing the above-described coupon number in the database 102, determining whether the coupon number is valid or not matches with the coupon number stored in the database 102. It may also mean checking the association. As such, there may be various embodiments for determining the validity of the coupon number.

Meanwhile, when it is determined that the received coupon number is valid, the coupon number authentication unit 105 extracts an item serial number associated with the received coupon number from the database 102. Play a role. As described above, the item serial number is not a kind of item data information itself, but a kind of means that can refer to item data information. Therefore, using the item serial number extracted from the database 102, the item data information can be referred to. have. In addition, by using the referenced item data information sequentially, coupon issuance information received from the coupon issuer server 110 may be found. As such, when the coupon number authentication unit 105 extracts only the item serial number stored in the database 102, the content providing system 100 using the coupon according to an aspect of the present invention sequentially issues item data information and coupons. Information can be found, and through such a systematic extraction process, the content providing system 100 using the coupon according to an aspect of the present invention may provide various types of content information through one coupon number.

The content information transmitter 106 transmits content information associated with the content provider server 120 to the content provider server 120 in consideration of the extracted item serial number and content list information. As described above, when the coupon number authentication unit 105 extracts the item serial number from the database 102, the item data information and the coupon issuing information may be sequentially found, and thus the coupon issuing information is included in the coupon issuing information. The content list information can be retrieved. The content information transmitter 106 transmits only the content information associated with the content provider server 120 among the searched content list information to the content provider server 120.

For example, when the content list information includes content information of "game item", "goods", "lottery", the user who purchased the coupon provides the "game item" to receive the "game item". When the user accesses the content provider server 120 and inputs the coupon number, the coupon number receiving unit 104 receives the input coupon number from the content provider server 120, and the coupon number authentication unit 105 performs an authentication process. Extracts the item serial number, retrieves the content list information including the content information of the "game item", the "product", and the "lottery" through the item serial number, and the content information transmitter 106 Only the "game item" corresponding to the content information associated with the content provider server 120 among the content list information is transmitted to the content provider server 120. Through such a systematic extraction and transmission process, the content providing system 100 using the coupon according to an aspect of the present invention may provide various types of content information through one coupon number.

Hereinafter, a content providing method using a coupon according to an embodiment of the present invention will be described.

2 is a flowchart illustrating a process for providing content using a coupon according to an embodiment of the present invention.

Hereinafter, a content providing method using a coupon according to an aspect of the present invention will be described with reference to FIG. 2.

As shown in Figure 2, the content providing method using the coupon according to an aspect of the present invention is largely a coupon number generation process (steps 201, 202 and 204), coupon number authentication process (steps 205, 206 and 208) and the It can be classified into a database processing process (steps 203 and 207) which are closely related to both processes.

First, in step 201, coupon issuance information including content list information is received from the coupon issuer server. Here, the coupon issuance information to take up most of the online (on-line), but may receive the coupon issuance information offline (off-line), the content list information is the content using the coupon according to the present invention Various contents information provided by the provided service and the system are summarized in the form of a list, and there may or may not be related to each content information, and coupon issuance information may be provided in addition to the contents list information. As described above, it may include various information requested by the coupon issuer, such as the amount and the number of coupon issuances. A detailed description of the content list information will be described later with reference to FIG. 3, and the description thereof will be shortened.

In step 202, an item serial number is generated based on the coupon issuance information received in step 201. First, item data information is generated by changing the coupon issuance information received from the coupon issuer server into a format that can be encrypted, and generates an item serial number that is an array of indexed numbers based on the item data information. do. Here, the item serial number is not a kind of item data information itself, but a kind of means for referring to item data information, and the basis of encryption to be described later is as described above.

According to the content providing method using the coupon according to an aspect of the present invention, in step 203, the item serial number generated in step 202 is stored in a database. As described later, the item serial number stored in the database plays an important role in providing various kinds of content information through one coupon number by identifying content information.

In step 204, encryption is performed based on the item serial number generated in step 202 and stored in the database in step 203 to generate a coupon number. Hereinafter, the encryption method will be described.

Recently, with the rapid development of the Internet, various encryption methods have been developed for security on the Internet, and it is necessary to check the identity of the sender and the confidentiality that the contents should not be disclosed by the functions required by the encryption method. Authentication for security, Integrity to ensure that information is not compromised in the middle of delivery, and Non-repudiation to prevent the information provider from denying the information. It should be equipped with the functions selected according to the needs.

In addition to a method using a confidential algorithm as an encryption method having such a function, an encryption method using a "key" has been widely used in recent years. The encryption method using such a key is a symmetric algorithm using a single secret key and a public key algorithm using a combination of a public key and a private key. Algorithm). In addition, although not strictly an encryption algorithm, there is a message digest method that is used to change information (integrity) or to verify (authentication) the sender.

A symmetric algorithm is an algorithm that can calculate a decryption key from an encryption key or, conversely, can calculate an encryption key from a decryption key, and performs both encryption and decryption with a single key, commonly referred to as a secret key. The sender of the information encrypts the information (message) with the secret key, converts it into cipher text, and sends it to another person. The receiver receives the information and decrypts the cipher text with the same secret key. This method has the advantage that it is easy to encrypt and decrypt and has wide range of applications because various encryption techniques have been developed. However, if there are multiple users, it is not easy to create and manage the secret key and secure delivery of the secret key should be guaranteed. The disadvantage is that. Such symmetric key encryption algorithms include DES, IDEA, RC2, RC5, and SEED.

The public key algorithm is different from the encryption key and the decryption key and cannot calculate one from the other. The public key algorithm uses a combination of an encryption key called a public key and a decryption key called a private key. The public key is open to anyone. The person who wants to send the information encrypts the message with the public key of the person who receives the information, and the person who receives the message decrypts it with his private key. Since the ciphertext can only be decrypted with the private key corresponding to the public key used for encryption, the problem of key exchange occurring in the symmetric algorithm is solved. However, this public key method has a disadvantage in that encryption and decryption speed is slow and it is inconvenient to encrypt and decrypt a large amount of information. Public key infrastructure (PKI) encryption algorithms include RSA, LUC, Diffie-Hellman, and Elliptic Curve.

On the other hand, although not an encryption method, a message digest (MD) is a method of ensuring the integrity of information. This message digest uses a one-way hash function to convert the given information (message) into a very large numeric value (hash value) of a certain length. When this information is sent along with the ciphertext when sending the information, the recipient of the information decrypts it to create plain text, finds its hash value, and checks whether it matches the received hash value. If the values are the same, it can be confirmed that the information has not changed during the transmission of the information. Of course, this hash value must be transmitted encrypted by an encryption algorithm. Such message digest algorithms include Snefru, CRC-32, CRC-16, MD2, MD4, MD5, SHA and Haval.

Recently, the most commonly used form of electronic commerce is a mixture of public key-based and symmetric key-based methods. The message itself is encrypted using a secret key encryption method using an arbitrary secret key, and the secret key itself is the recipient's public key. After encrypting with public key encryption method using, and sending two cipher texts. The recipient decrypts the private key with his private key and decrypts the message using the decrypted private key. It also sends the message digest encrypted with the sender's private key (called "Digital Signature") for authentication, integrity and nonrepudiation. The recipient of the information can achieve the sender's authentication, integrity and nonrepudiation of the sender by decrypting the message digest with the sender's public key and comparing it with the decrypted message digest.

In the encryption method, there may be many kinds of methods in addition to the above-described method, and thus, the method of providing content using the coupon according to an aspect of the present invention may be performed by any one of the above-described encryption methods or the encryption described above. Although it may be implemented by a combination of two or more encryption methods among the methods, it will be clear that it may also be implemented by other encryption methods not described above.

Meanwhile, there may be a method of storing the generated coupon number in a database, and there may be a method of not storing the generated coupon number. Since advantages and disadvantages of each method are already described, the description thereof is omitted here. The content providing method using the coupon according to the present invention is not limited by any one of the above methods.

In step 205, the coupon number is received from the content provider server. A user who purchases a coupon online or offline enters a coupon number through a content provider server that can use the coupon to receive content using the coupon, and receives the coupon number from the content provider server. . In this regard, since the description with reference to FIG. 1 has been described in detail, for example, reference may be made thereto, and a detailed description thereof will be omitted.

In step 206, the coupon number received in step 205 is decrypted to determine whether it is valid. Since the coupon number received in step 205 is encrypted and generated, it is determined whether the coupon number is valid through a decryption operation on the received coupon number. Here, determining the validity of the coupon number may mean checking whether the coupon number is a coupon number generated by the content providing method using the coupon according to the present invention, and the contents associated with the coupon number are all already present. It may also mean checking whether the coupon number is provided. If the above-mentioned method of storing the coupon number in the database is selected, determining the validity of the coupon number may mean checking whether or not the coincidence or association with the coupon number stored in the database. As such, there may be various embodiments for determining the validity of the coupon number.

In step 207, if it is determined in step 206 that the coupon number received in step 205 is valid, the item serial number associated with the coupon number received in step 205 is extracted from the database. As described above, the item serial number is not a kind of item data information itself, but a kind of means for referring to item data information. Therefore, using the item serial number extracted from the database, the item data information can be referred to. In addition, by using the referenced item data information, it is possible to find the coupon issuance information received from the coupon issuer server. As such, if only the item serial number stored in the database is extracted in step 207, according to the content providing method using the coupon according to an aspect of the present invention, it is possible to find item data information and coupon issuing information sequentially. Content providing method using a coupon according to an aspect of the present invention through the process can provide a variety of content information through one coupon number.

In step 208, the content information associated with the content provider server in step 205 is transmitted to the content provider server in consideration of the item serial number and the content list information extracted in step 207. As described above, when the item serial number is extracted from the database in step 207, the item data information and the coupon issuing information may be sequentially found, and thus the content list information included in the coupon issuing information may be retrieved. . In step 208, only the content information associated with the content provider server among the found content list information is transmitted to the content provider server. In this regard, since the description with reference to FIG. 1 has been described in detail, for example, reference may be made thereto, and a detailed description thereof will be omitted.

Meanwhile, the content providing method using the coupon according to an embodiment of the present invention may further include storing coupon usage information associated with the content information transmitted in step 208 in a database in association with the coupon number (not shown). Not). According to the content providing method using the coupon according to the present invention, since various types of content information are provided through one coupon number, whether all of the content information in the content list information has already been provided, only some of the content information in the content list information is provided. And storing the coupon usage information regarding whether it is provided or whether only a part or all of the same content information is provided, and systematically records the usage record for each content information included in the content list information. It can manage, and accordingly, the systematic and smooth transmission of content information is attained. In this case, it is required to store the coupon usage information in association with the generated coupon number. If the method of storing the coupon number generated in step 204 is stored in a database, the coupon usage information may be stored and managed in association with the coupon number already stored. If the user selects not to store the coupon number generated in step 204 in the database, the user can store and manage the coupon number in association with the coupon number received in step 205.

3 is a diagram illustrating an example of content list information according to an embodiment of the present invention.

As shown in FIG. 3, the content list information 300 is a list of various content information provided by a content providing service and a system using a coupon according to the present invention in the form of a list, and is related to each piece of content information. It is also possible that there is no need or may have already described in the description of FIG.

According to the content providing method using the coupon according to an embodiment of the present invention, the content list information 300 may include N pieces of content information. Referring to FIG. 3, the content list information 300 includes six contents corresponding to a game 310, a game item 320, an avatar 330, a product 340, an electronic money 350, and a lottery ticket 360. Contains information. As such, the content list information 300 may include various types of content information regardless of whether the content information is related or not. Here, the content list information 300 including six content information is only one example according to an embodiment of the present invention, and the content list information 300 may include any N pieces of content information.

4A is a diagram illustrating a step of mapping a plurality of pieces of content information to one coupon number as N: 1 (N = 6) according to one embodiment of the present invention.

Referring to FIG. 4A, as in FIG. 3, the content list information includes six pieces of content information corresponding to a game, a game item, an avatar, a product, an electronic money, and a lottery ticket. Here, the content list information including the six content information is only one example according to an embodiment of the present invention, and the content list information may include any N pieces of content information in the description of FIG. 3. Same as one.

According to the content providing method using the coupon according to an embodiment of the present invention, the step 204 of generating a coupon number by performing encryption on the basis of the item serial number in FIG. 2 is performed as shown in FIG. 4A. The method may include mapping 420 the plurality of pieces of content information to one coupon number 410 with N: 1. Here, the coupon number 410 may be any one of alphabets, numbers, or other characters, or a combination of two or more. According to the N: 1 mapping 420, it is possible to reduce the time and economic loss of the user due to the purchase of the coupon by providing a plurality of various contents through one coupon number 410, due to the management of a plurality of coupon numbers The difficulty of the user can be alleviated, and the burden of the coupon issuer having to produce and issue an excessive number of coupons can also be alleviated.

4B is a diagram illustrating an example of a coupon number generated by a content providing method using a coupon according to an embodiment of the present invention.

As shown in Figure 4b, the coupon number 430 generated by the content providing method using the coupon according to an embodiment of the present invention may be composed of 30 alphabets, 30 alphabets every 5 alphabets " It is possible to express separately using the "-" mark. With regard to the N: 1 mapping 420 described in FIG. 4A, there may be a method of mapping each alphabet to include predetermined content information, and a method of mapping a combination of a plurality of alphabets to include predetermined content information. Can be. Through this method, it is possible to map 420 a plurality of pieces of content information to one coupon number 410 with N: 1.

5 is a flowchart illustrating a process of dualizing a coupon number according to an embodiment of the present invention.

According to the content providing method using the coupon according to an embodiment of the present invention, the step 204 of generating a coupon number by performing encryption on the basis of the item serial number in FIG. 2 is as shown in FIG. An encryption step 510 and a second encryption step 520 may be included.

First, the first encryption step 510 includes step 501 and step 502. In step 501, a first coupon number is generated using a first encryption algorithm, and in step 502, the first coupon number is stored in a database. On the other hand, the second cryptogram and step 502 include step 503. In step 503, a second coupon number is generated using a second encryption algorithm different from the first encryption algorithm. In the content providing method using the coupon according to the present embodiment, the coupon numbers in steps 205, 206, and 207 in FIG. 2 refer to the second coupon numbers generated in the second encryption step 520.

In the case of the content providing method using the coupon according to the present embodiment, step 206 in FIG. 2 includes decoding the second coupon number and determining whether to associate with the first coupon number. Since the first coupon number and the second coupon number are generated by different encryption algorithms, but they are generated based on one item serial number, it is determined whether both coupon numbers share the same item serial number. Possible, by determining the validity of the second coupon number through such a determination, the content providing method using the coupon according to an embodiment of the present invention can increase the security level.

In addition, the content providing method using the coupon according to an embodiment of the present invention may include a step 504 of transmitting the coupon number generated in step 503 to the coupon issuer server, in this case the coupon number sent in step 504 The coupon issuer can keep the coupon list file.

According to the content providing method using the coupon according to the present embodiment, as described above, the coupon number is generated and stored based on the same item serial number but different encryption methods. In this case, even if the database is hacked by a third party, the third party can only find out the first coupon number, and cannot find or inversely generate the previously issued second coupon number. In addition, when the coupon list file is leaked, it is possible to prevent illegal use of the leaked coupon number by modifying the content information associated with the leaked second coupon number into an unusable state. Using the dualization technique of the coupon number as described above, the content providing method using the coupon according to an embodiment of the present invention can increase the security level.

Embodiments of the invention include a computer readable medium containing program instructions for performing various computer-implemented operations. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The medium or program instructions may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. The medium may be a transmission medium such as an optical or metal wire, a waveguide, or the like including a carrier wave for transmitting a signal specifying a program command, a data structure, or the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.

6 is an internal block diagram of a general-purpose computer device that can be employed to perform a method of providing a content, a method of generating a coupon number, and a method of authenticating a coupon number according to the present invention.

Computer device 600 includes one or more processors 610 connected to a main memory including random access memory (RAM) 620 and read only memory (ROM) 630. The processor 610 may also be called a central processing unit (CPU). As is well known in the art, the ROM 630 serves to transfer data and instructions to the CPU unidirectionally, and the RAM 620 typically transfers data and instructions bidirectionally. Used to. RAM 620 and ROM 630 may include any suitable form of computer readable media. The mass storage device 640 is bidirectionally connected to the processor 610 to provide additional data storage capability, and may be any of the computer-readable recording media described above. The mass storage device 640 is used to store programs, data, and the like, and is a secondary memory device such as a hard disk which is generally slower than the main memory device. Certain mass storage devices such as CD ROM 660 may be used. The processor 610 may include one or more input / output interfaces such as a video monitor, trackball, mouse, keyboard, microphone, touchscreen display, card reader, magnetic or paper tape reader, voice or handwriting reader, joystick, or other known computer input / output device. 650 is connected. Finally, the processor 610 may be connected to a wired or wireless communication network through the network interface 670. Through this network connection, the procedure of the method described above can be performed. The apparatus and tools described above are well known to those skilled in the computer hardware and software arts. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by the equivalents of the claims.

According to the content providing method and system using the coupon according to the present invention, by providing a plurality of various content through one coupon number it can reduce the time and economic loss of the user due to the purchase of the coupon.

According to the content providing method and system using the coupon according to the present invention, it is possible to reduce the difficulty of the user due to the management of the plurality of coupon numbers by providing a plurality of various contents through one coupon number.

According to the content providing method and system using the coupon according to the present invention, it is possible to reduce the burden of the coupon issuer to produce and issue an excessive number of coupons by providing a plurality of various contents through one coupon number.

According to the content providing method and system using the coupon according to the present invention, through the dualization of the coupon number by double encryption, it is possible to minimize the error that the content is provided to those who do not purchase the coupon thoroughly in preparation for decryption.

According to the content providing method and system using the coupon according to the present invention, by providing the content information through the item serial number, it is possible to provide a variety of content and payment in a more flexible manner, and further easier to link with new content The effect can be obtained.

Claims (9)

In the method for providing content using a coupon in the content providing system, (a) receiving coupon issuance information including content list information from a coupon issuer server; (b) generating an item serial number based on the coupon issuance information, and storing the generated item serial number in a database; (c) generating a coupon number by performing encryption based on the item serial number; (d) receiving the coupon number from a content provider server; (e) decrypting the received coupon number to determine validity; (f) extracting, from the database, an item serial number associated with the received coupon number if it is determined that the received coupon number is valid; And (g) transmitting content information associated with the content provider server to the content provider server in consideration of the extracted item serial number and the content list information; Including, The content list information includes N pieces of content information. Step (c) is Mapping the plurality of pieces of content information to the coupon number with N: 1, Step (c) is A first encryption step of generating a first coupon number using a first encryption algorithm and storing it in the database; And A second encryption step of generating a second coupon number by using a second encryption algorithm different from the first encryption algorithm Including, The coupon number and the received coupon number in the steps (d), (e) and (f) are the second coupon number, Step (e) is Decoding the second coupon number to determine whether or not the association with the first coupon number Content providing method using a coupon comprising a. delete The method of claim 1, The plurality of pieces of content information includes at least one of a game, a game item, an avatar, an electronic money, a product, and a lottery ticket. Content providing method using a coupon, characterized in that. delete The method of claim 1, Storing coupon usage information associated with the transmitted content information in a database in association with the coupon number; Content providing method using a coupon, characterized in that. delete delete A computer-readable recording medium having recorded thereon a program for executing the method of claim 1. delete

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