KR20210131716A - Apparatus and system for providing user authentication service - Google Patents

Abstract

According to an embodiment of the present invention, an apparatus for providing a user authentication service performs user authentication of a user terminal connecting to a server providing an online service. The apparatus for providing the user authentication service comprises: a database wherein a text question type of authentication information used for the user authentication is stored; and a processor providing the authentication information to the server and comparing answer information transmitted from the user terminal with reference answer information stored in the database to perform the user authentication. The authentication information excludes a direct or indirect emotional description and includes a text question consisting of a predetermined story.

Description

Device and system for providing user authentication service

An embodiment of the present invention relates to an apparatus and system for providing a user authentication service, and more particularly, to an apparatus and system for providing a text-based CAPTCHA including a story.

Recently, with the development of IT technology, online services such as e-commerce are being actively used. As the use of such online services has become common, the importance of authentication of users using the service is emerging. For example, in the case of an online e-commerce service, damage due to personal information leakage such as phishing is increasing one after another.

A Human Interaction Proof (HIP) test for performing a test for discriminating whether a user is a real person or a computer program is widely used as one of the user authentication methods. As an example of the HIP test, CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart; CAPTCHA) tests whether an inputter is a human by transforming text or images with known answers so that the computer cannot identify them and displaying them to the user. way to do it

That is, the CAPTCHA is an automated Turing test. In order to determine whether a user who is currently approaching from a remote location is a human, the robot (or bot) cannot solve it and presents a problem that can be solved by humans, thereby utilizing the robot as an example. Thus, attempts to secure multiple e-mail accounts can be deterred.

However, in the case of a text and/or image-based CAPTCHA that is generally used in the past, it must be provided in a form that is difficult for a developing robot to solve.

Accordingly, the development of a new type of CAPTCHA for improving this problem is required.

An embodiment of the present invention provides an apparatus and system for providing a user authentication service that provides a CAPTCHA in an online environment. The CAPTCHA is generated and provided in the form of text including a story, and the user understands the text provided in the CAPTCHA to be the most appropriate person. An object of the present invention is to provide an apparatus and system for providing a user authentication service that can implement more reliable user authentication by performing user authentication in a manner that selects an answer expressing the emotion of the user.

In order to achieve the above object, an apparatus for providing a user authentication service according to an embodiment of the present invention is a user authentication service providing apparatus for performing user authentication of a user terminal accessing a server providing an online service, and is used for the user authentication a database in which authentication information in the form of a text problem is stored; and a processor that provides the authentication information to the server, compares the answer information transmitted from the user terminal with the reference answer information stored in the database, and performs user authentication, wherein the authentication information is a direct or indirect emotional description The expression of is excluded and contains a text problem composed of a predetermined story.

The text-type authentication information is implemented as a CAPTCHA including a story CAPTCHA text question, and the CAPTCHA may further include multiple-choice answer examples corresponding to the story-captcha text question, and the multiple-choice answer examples are separated from each other. It can be made up of emotions.

The processor may include: a story captcha text problem selection unit for selecting one of the story captcha text problems stored in the database; a story captcha text problem providing unit for transmitting the selected story captcha text problem to the server; a user answer receiving unit for receiving answer information for the story captcha text problem transmitted through a user terminal connected to the server; and a user authentication unit for authenticating whether the user of the user terminal is a human by comparing the received user's answer information with reference correct answer information stored in the database and confirming whether the correct answer is correct.

The processor is configured to generate a story captcha text problem generator for generating a new story captcha text problem by combining sentences of a plurality of story captcha text problems stored in the database, and multiple-choice answers to the story captcha text problems stored in the database. It may further include a machine learning algorithm execution unit consisting of a predicted answer generator that generates new multiple-choice answer examples in combination.

The story captcha text problem may include a plurality of question texts implemented as different stories respectively corresponding to a plurality of emotions that are distinguished from each other.

A user authentication service providing system according to another embodiment of the present invention includes a plurality of user terminals; a server to which the plurality of user terminals are connected to provide a predetermined online service; and a user authentication service providing device for performing user authentication of a user terminal accessing the server, wherein the user authentication service providing device includes: a database in which authentication information in the form of a text problem used for user authentication is stored; and a processor that provides the authentication information to the server, compares the answer information transmitted from the user terminal with the reference answer information stored in the database, and performs user authentication, wherein the authentication information is a direct or indirect emotional description The expression of is excluded and contains a text problem composed of a predetermined story.

The text-type authentication information is implemented as a CAPTCHA including a story CAPTCHA text problem, the CAPTCHA further includes multiple-choice answer examples corresponding to the story CAPTCHA text question, and the multiple-choice answer examples are emotions that are distinct from each other may be composed of

The processor may include: a story captcha text problem selection unit for selecting one of the story captcha text problems stored in the database; a story captcha text problem providing unit for transmitting the selected story captcha text problem to the server; a user answer receiving unit for receiving answer information for the story captcha text problem transmitted through a user terminal connected to the server; and a user authentication unit for authenticating whether the user of the user terminal is a human by comparing the received user's answer information with reference correct answer information stored in the database and confirming whether the correct answer is correct.

The processor is configured to generate a story captcha text problem generator for generating a new story captcha text problem by combining sentences of a plurality of story captcha text problems stored in the database, and multiple-choice answers to the story captcha text problems stored in the database. It may further include a machine learning algorithm execution unit consisting of a predicted answer generator that generates new multiple-choice answer examples in combination.

The story captcha text problem may include a plurality of question texts implemented as different stories respectively corresponding to a plurality of emotions that are distinguished from each other.

According to this embodiment of the present invention, in the apparatus and system for providing a user authentication service that provides a CAPTCHA in an online environment, the CAPTCHA is generated and provided in the form of text including a story, and the user understands the text provided by the CAPTCHA. By performing user authentication in a way that selects an answer that most appropriately expresses a person's emotions, more reliable user authentication can be implemented.

1 is a block diagram showing a network environment including a user authentication service providing system according to an embodiment of the present invention.
Fig. 2 is a block diagram schematically showing an embodiment of the internal configuration of the user authentication service providing apparatus shown in Fig. 1;
FIG. 3 is a block diagram schematically illustrating an embodiment of an internal configuration of a processor included in the apparatus for providing a user authentication service of FIG. 2 ;
4 is a flowchart illustrating an operation of an apparatus for providing a user authentication service according to an embodiment of the present invention;
5A and 5B are views for explaining an example of a CAPTCHA provided by an apparatus for providing a user authentication service according to an embodiment of the present invention;
6 is a block diagram schematically showing another embodiment of the internal configuration of a processor included in the user authentication service providing apparatus of FIG.
7 is a flowchart illustrating an operation of an apparatus for providing a user authentication service according to another embodiment of the present invention.
8 is a view for explaining an example of a CAPTCHA provided by an apparatus for providing a user authentication service according to another embodiment of the present invention;

The contents described in the technical field of the background of the present invention are only for helping the understanding of the background of the technical idea of the present invention, and therefore it can be understood as content corresponding to the prior art known to those skilled in the art of the present invention. none.

In the following description, for purposes of explanation, numerous specific details are set forth to aid in understanding various embodiments. It will be evident, however, that various embodiments may be practiced without these specific details or in one or more equivalent manners. In other instances, well-known structures and devices are shown in block diagram form in order to avoid unnecessarily obscuring the various embodiments.

Each block in the accompanying block diagram may be executed by computer program instructions (execution engine), which may be loaded into the processor of a general-purpose computer, special-purpose computer, or other programmable data processing equipment, so that the computer or The instructions, executed by the processor of the other programmable data processing equipment, will create means for performing the functions described in each block of the block diagram.

These computer program instructions may also be stored in a computer-usable or computer-readable memory that may direct a computer or other programmable data processing equipment to implement a function in a particular manner, and thus the computer-usable or computer-readable memory. It is also possible that the instructions stored in the block diagram produce an article of manufacture containing instruction means for performing the functions described in each block of the block diagram.

Further, since the computer program instructions may be mounted on a computer or other programmable data processing equipment, a series of operating steps are performed on the computer or other programmable data processing equipment to create a computer-executed process to create a computer or other program. It is also possible that instructions for performing the possible data processing equipment provide functionality for performing the functions described in each block of the block diagram.

In addition, each block may represent a module, segment, or portion of code comprising one or more executable instructions for executing specified logical functions, and in some alternative embodiments, the functions recited in the blocks or steps are ordered It is also possible to occur outside of

That is, the two illustrated blocks may be substantially simultaneously performed, and also, the blocks may be performed in the reverse order of the corresponding functions, if necessary.

The terminology used herein is for the purpose of describing particular embodiments and not for the purpose of limitation. Throughout the specification, when a part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless otherwise stated. Unless otherwise defined, terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

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

1 is a block diagram illustrating a network environment including a user authentication service providing system according to an embodiment of the present invention.

1 , a network environment according to an embodiment of the present invention provides a plurality of user terminals 110_1, 110_2, ..., 110_n, a network 120, an online service providing server 130, and a user authentication service and device 140 .

In the network environment shown in FIG. 1 , the online service providing server 130 is a server capable of providing various services by accessing a user terminal through an online network environment, such as a web server providing a mailing service, a shopping mall server, and the like. It may be implemented as the same application server, video server, DB server, or the like.

The user terminals 110 are terminals used by a plurality of users who access the online service providing server 130 and receive a predetermined online service. A user may access the online service providing server 130 by executing an online service application installed in the user terminal 110 . Alternatively, an online service application such as mailing may be executed by accessing a web page provided by the online service providing server 130 . If the online service application is not installed in the user's terminal, the user may download the online service program from the online service providing server 130 and install it in the user's computer.

The user terminals 110 include a fixed terminal that can be implemented as a computer device and a mobile terminal that a user can carry and carry. For example, the user terminals 110 may be smartphones, PCs, tablets, laptops, and the like.

The network 120 may be implemented as a wireless communication network or a wired communication network. In this case, the communication method is not limited, and not only a communication method using a communication network (eg, a mobile communication network, a wireless LAN network, a wired Internet, a broadcasting network) that the network 120 may include, but also short-range wireless communication between devices may be included.

The user authentication service providing apparatus 140 connects to the online service providing server 130 and performs an operation of providing a service for authenticating a user of the user terminal 110 who wants to use a predetermined online service. The user authentication service providing apparatus 140 according to an embodiment of the present invention is characterized in that it provides a text-based captcha including a story.

Accordingly, according to the user authentication service providing system according to the embodiment of the present invention, each user terminal user provided the CAPTCHA with the text-type CAPTCHA including the story generated and provided by the user authentication service providing device 140 . User authentication can be performed in a way that understands text and selects an answer that most appropriately expresses human emotions, and through this, more reliable user authentication can be implemented.

FIG. 2 is a block diagram schematically showing an embodiment of an internal configuration of the apparatus for providing a user authentication service shown in FIG. 1 .

Referring to FIG. 2 , the user authentication service providing apparatus 140 includes a memory 142 , a database 143 , a processor 144 , a communication module 146 , and an input/output interface 148 .

The memory 142 is a computer-readable recording medium and may include a non-volatile mass storage device such as a RAM, a ROM, and a disk drive. Also, the memory 142 may store an operating system and at least one program code. These software components may be loaded from a computer-readable recording medium separate from the memory 142 using a drive mechanism. The separate computer-readable recording medium may include a recording medium such as a floppy drive, a disk, a tape, a DVD/CD-ROM drive, and a memory card. In addition, the software components may be loaded into the memory 142 through the communication module 146 .

The database 143 may store CAPTCHAs provided through the user authentication service providing device 140 , and these CAPTCHAs may be continuously updated by being reproduced and/or supplemented through a recaptcha process.

More specifically, the apparatus 140 for providing a user authentication service according to an embodiment of the present invention provides a text-based CAPTCHA including a story, and accordingly, the database 143 includes a text-based CAPTCHA including the story. It is possible to store “story captcha text problems” corresponding to the “story captcha text problems”, and these “story captcha text problems” can be reproduced and/or supplemented through a recaptcha process and continuously updated.

In addition, the database 143 may store a variety of information to track and manage information related to the online service use of each of the users accessing the online service providing server 130 .

The processor 144 may be configured to process instructions of a computer program by performing basic arithmetic, logic, and input/output operations. Instructions may be provided to the processor 144 by the memory 142 or the communication module 146 . As an example, the processor 144 may be configured to execute a received instruction according to a program code stored in a recording device such as the memory 142 .

The communication module 146 may provide a function capable of communicating with the user terminals 110 , the online service providing server 130 , and/or 160 through the network 120 , respectively. For example, a control signal, command, content, file, etc. provided under the control of the processor 154 is transmitted through the network 120 through the communication module 156 to the user terminals 110 and/or the online service providing server. may be sent to 130 .

The input/output interface 148 may serve to provide an interface between an input device implemented as a keyboard or mouse and an output device such as a display.

The user authentication service providing apparatus 140 according to an embodiment of the present invention provides a service for authenticating a user of the user terminal 110 who wants to use a predetermined online service by accessing the online service providing server 130 . As an operation, the user authentication service providing apparatus 140 according to an embodiment of the present invention provides a text-based CAPTCHA including a story.

Hereinafter, the operation of the user authentication service providing apparatus 140 according to an embodiment of the present invention will be described in more detail with reference to FIGS. 3 to 5 .

3 is a block diagram schematically showing an embodiment of an internal configuration of a processor included in the user authentication service providing apparatus of FIG. 2, and FIG. 4 is a user authentication service providing apparatus according to an embodiment of the present invention. It is a flowchart.

Referring first to FIG. 3 , the processor 144 of the user authentication service providing device 140 includes a story captcha text problem selection unit 310 , a story captcha text problem providing unit 320 , a user answer receiving unit 330 , and user authentication. It may include a unit 340 . Here, the processor 144 may be implemented to execute an instruction according to an operating system code and at least one program code included in the memory 142 . At this time, the components in the processor 144 , that is, the story captcha text problem selection unit 310 , the story captcha text problem providing unit 320 , the user answer receiving unit 330 , and the user authentication unit 340 are user authentication services. It may be understood that different functions performed by the processor 144 according to a control command provided by the program code stored in the providing device 140 are distinguished and expressed.

The user authentication service providing apparatus 140 according to the embodiment of the present invention provides a function of performing authentication of the user terminal 110 attempting to access the online service providing server 130, first, the user terminal ( When an attempt to access the online service providing server 130 by the 110) is recognized, the user authentication operation by the user authentication service providing apparatus 140 is started.

3 and 4 , when an access attempt by the user terminal 110 is recognized, the story captcha text problem selection unit 310 selects one of the story captcha text problems stored in the database 143 . operation can be performed (ST 400).

The story captcha text problems according to the embodiment of the present invention are composed of short text sentences that can be answered in about 5 to 10 seconds when considering the reading comprehension level of general users, and these text sentences can infer human emotions. It is characterized in that it is composed by excluding expressions such as possible words (eg, tears, laughter, etc.) and direct/indirect emotional descriptions (eg, enjoyed, happy, etc.).

In addition, multiple-choice answer examples provided together with the story captcha text problem may indicate emotions that a person can feel. In the case of an embodiment of the present invention, the emotions used as the multiple-choice answer examples are not similar to each other, but are characterized by expressing emotions that can be clearly distinguished from each other.

Therefore, according to the embodiment of the present invention, while providing a captcha composed only of a simple text form, the content of the text includes a story that can easily derive a person's emotional state, making it difficult to interpret the text by a robot, but a human Since you can intuitively select an appropriate answer, you can implement more reliable user authentication.

Such an embodiment of the story captcha text problem and multiple-choice answer examples can be implemented as shown in FIGS. 5A and 5B, and in the embodiments of the story captcha text problem described by FIGS. 5A and 5B, This will be described in more detail below.

When one of the story captcha text problems stored in the database 143 is selected by the story captcha text problem selecting unit 310, the selected story captcha text problem is transmitted by the story captcha text problem providing unit 320, It is displayed on the user terminal 110 (ST 410).

For example, the selected specific story captcha text problem may be transmitted to the online service providing server 130 to which the user terminal 100 has attempted to access, and the user may access the online service application installed in the user terminal 110 . By executing it, the story captcha text problem received from the online service providing server 130 may be displayed.

Accordingly, the user reads the story captcha text question transmitted by the story captcha text problem providing unit 320 through the online service application installed in the user terminal 110, and from among multiple-choice answers included in the story captcha text question. You can choose one.

In this way, when a predetermined answer to the story captcha text problem is selected by the user and the result is transmitted to the online service providing server 130 and the user authentication service providing device 140 , the user answer receiving unit 330 receives the Receive answer information for the story captcha text problem selected by the user (ST 420).

Thereafter, the user authentication unit 340 compares the received user's answer information with reference correct information pre-stored in the database 143 to check whether the answer is correct, and finally authenticates whether the user is a human through this. (ST 430).

5A and 5B are views for explaining an example of a CAPTCHA provided by an apparatus for providing a user authentication service according to an embodiment of the present invention, and the user authentication described above with reference to FIGS. 3 and 4 through FIGS. 5A and 5B An example of the operation of the service providing apparatus 140 will be described in more detail.

First, the story captcha text problem according to the embodiment shown in 5a, namely, "Chul-su woke up thirsty early in the morning. Cheol-su went straight to the refrigerator, opened the door, and put the Coke bottle in his mouth. The moment the liquid in the Coke bottle touches his tongue, he withdraws. realizes that it is soy sauce, not cola." It consists only of a simple text form including a story, and the text sentence contains words that can infer human emotions (eg tears, laughter, etc.) and direct/indirect It can be confirmed that expressions such as emotional descriptions (eg, it was enjoyable, happy, etc.) are excluded.

In addition, the multiple-choice answer examples provided with the story captcha text problem, "sadness, happiness, love, surprise, and helplessness", represent emotions that people can feel, and these answer examples are not similar emotional expressions. , it can be seen that they are marked with emotions that can be clearly distinguished from each other.

As in the embodiment shown in FIG. 5A , if the user selects “surprise”, which is the emotion most corresponding to the story captcha text sentence, from among the multiple-choice answer examples, this matches the standard correct answer stored in the database 143, so that the The user of the user terminal who has selected the answer can be authenticated as a person.

However, in the case of the story captcha text problem embodiment shown in FIG. 5A, even if it is difficult for the robot to select an appropriate answer view because it does not understand human emotions, it is possible to select the correct answer with a probability of one fifth and pass the user authentication. Since there is a possibility, an embodiment of the story captcha text problem to further increase reliability can also be considered.

Accordingly, the story captcha text problem according to the embodiment shown in 5b is an additional problem as well as the problem of FIG. 5a mentioned above. I tried calling, but Tongi was nowhere to be seen. After looking for Tongi for over 10 minutes, Younghee found Tongi sleeping peacefully under the bed."

It includes a plurality of problems expressing different emotions, such as the story captcha text problem according to the embodiment shown in 5b, and the user answers each question from among multiple-choice answer examples provided with the story captcha text problem. , it is possible to overcome the disadvantages of the story captcha text problem embodiment shown in FIG. 5A above by configuring all of the plurality of answers to be selected. In this case, the probability that the robot, which is difficult to select an appropriate answer view because it does not understand human emotions, will get all of the plurality of correct answers will be considerably lowered, so that more reliable user authentication is possible.

As in the embodiment shown in FIG. 5B , when the user selects “surprise” and “relief,” which are emotions most corresponding to each of the two questions constituting the story captcha text, from among the multiple-choice answer examples, it is 143), so that the user of the user terminal who has selected the answer can be authenticated as a person.

In the case of a text-based CAPTCHA including a story according to an embodiment of the present invention, it is necessary to directly create and store the story CAPTCHA text problems and corresponding standard answers stored in the initial database 143 , and to continuously solve these problems. Management and updates should be performed.

Accordingly, according to another embodiment of the present invention, a new story captcha text problem and expected answer are generated through the machine learning algorithm of the processor 144 of the user authentication service providing device 140 based on the first created story captcha text problems And, by comparing and verifying this with answer information received from a plurality of users, it is possible to more easily manage and update story captcha text problems and corresponding standard answers using machine learning.

6 is a block diagram schematically showing another embodiment of the internal configuration of a processor included in the user authentication service providing apparatus of FIG. 2, and FIG. 7 is a diagram illustrating the operation of the user authentication service providing apparatus according to another embodiment of the present invention. is a flowchart 8 is a view for explaining an example of a CAPTCHA provided by an apparatus for providing a user authentication service according to another embodiment of the present invention.

6 and 7, a new story captcha text problem and expected answer are generated through a machine learning algorithm of the processor 144 of the user authentication service providing device 140, and received from a plurality of users It is characterized in that the verification operation is performed by comparing it with the answer information. This makes it easier to manage and update story captcha text problems and corresponding standard answers by using machine learning.

First, referring to FIG. 6 , the processor 144 of the user authentication service providing apparatus 140 is different from the embodiment shown in FIG. 3 above in that the machine learning algorithm performing unit 350 is included. . The machine learning algorithm performing unit 350 may include a story captcha text problem generating unit and an expected answer generating unit as shown.

Accordingly, the processor 144 of the user authentication service providing apparatus 140 according to the embodiment of FIG. 6 includes a machine learning algorithm performing unit 350 including a story captcha text problem generating unit and an expected answer generating unit, and a user answer receiving unit 330 . ) and a user authentication unit 340 . Here, the processor 144 may be implemented to execute an instruction according to an operating system code and at least one program code included in the memory 142 . At this time, the components in the processor 144 , that is, the machine learning algorithm performing unit 350 , the user answer receiving unit 330 , and the user authenticating unit 340 including the story captcha text problem generating unit and the expected answer generating unit, are It may be understood that different functions performed by the processor 144 according to a control command provided by a program code stored in the authentication service providing apparatus 140 are distinguished and expressed.

6 and 7 , the story captcha text problem generating unit of the machine learning algorithm performing unit 350 can create a new story captcha text problem by newly combining sentences of the story captcha text problems stored in the database 143 . There is (ST 700). The story captcha text problems generated by the story captcha text problem generating unit of the machine learning algorithm performing unit 350 also take about 5 to 10 seconds considering the reading comprehension level of general users in the same manner as in the embodiments of FIG. 5 . It consists of short text sentences that can be answered both internally and externally, and these text sentences include words that can infer human emotions (eg tears, laughter, etc.) and direct/indirect emotional descriptions (eg, were pleasant, happy It is characterized in that it is configured by excluding expressions such as etc.).

8 illustrates an example of a story captcha text problem generated by the story captcha text problem generating unit of the machine learning algorithm performing unit 350 . Referring to Figure 8, the generated story captcha text problem, "Minsu and Eunhee walked towards Namsan while watching the red-tinted autumn sky at sunset. They both sat on a bench and looked at the night view of the city. The two did not say anything. However, the two hands holding each other were telling everything.” It consists only of a simple text containing a story, and the text sentence contains words that can infer human emotions (e.g., tears, laughter, etc.) And it can be confirmed that expressions such as direct/indirect emotional description (eg, it was enjoyable, happy, etc.) are excluded.

In addition, the expected answer generating unit of the machine learning algorithm performing unit 350 creates a new expected answer, that is, a new multiple choice answer view by newly combining the multiple choice answer views for the story captcha text problems stored in the database 143. can (ST 710).

Referring to FIG. 8 , as expected answer examples corresponding to the newly created story captcha text problem, “sadness, hope”, “love, serenity”, “anguish, unhappiness”, “compassion, helplessness”, and “belief, surprise” ", and it can be seen that these answer examples are not marked with similar emotional expressions, but with clearly distinguishable emotions.

Thereafter, as described above with reference to FIG. 3 , the generated story captcha text problem may be transmitted by the story captcha text problem providing unit 320 and displayed on the user terminal 110 . The story captcha text question transmitted by the story captcha text question providing unit 320 may be read through the installed online service application, and one of multiple-choice answer views included in the story captcha text question may be selected.

In this way, when a predetermined answer to the story captcha text problem is selected by the user and the result is transmitted to the online service providing server 130 and the user authentication service providing device 140 , the user answer receiving unit 330 receives the Answer information for the story captcha text problem selected by the user is received (ST 720).

Thereafter, the user authentication unit 340 may perform an operation of comparing the received user's answer information with the expected correct answer stored in the database 143 (ST 730).

In the case of an embodiment of the present invention, it is characterized in that the process of comparing the expected answer and the received user's answer information is accumulated and the result is used for AI learning.

More specifically, when the received user's answer information matches the expected correct answer stored in the database 143, the user is authenticated by the user through the user authentication unit 340 in the same manner as in the embodiments of FIGS. 3 and 4 above. Although the cognitive authentication operation is performed (ST 740), if the answer information transmitted by more than a preset number of users is different from the expected answer, the information is stored in the database 143, and this information is reflected in AI learning Thus, the pre-stored expected answer can be modified.

This AI learning process can be used for later recaptcha, which can help AI understand human emotions.

As described above, the present invention has been described with specific matters such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims to be described later, but also all those with equivalent or equivalent modifications to the claims will be said to belong to the scope of the spirit of the present invention. .

Claims (10)

A user authentication service providing apparatus for performing user authentication of a user terminal accessing a server providing an online service, the user authentication service providing apparatus comprising:
a database in which authentication information in the form of a text problem used for user authentication is stored;
A processor for providing the authentication information to the server, and comparing the answer information transmitted from the user terminal with the reference answer information stored in the database to perform user authentication,
The authentication information is
A device for providing a user authentication service including a text problem in which the expression of direct or indirect emotional description is excluded, and a predetermined story is included. According to claim 1,
The text-type authentication information is implemented as a CAPTCHA including a story CAPTCHA text problem,
The CAPTCHA further includes multiple-choice answer examples corresponding to the story CAPTCHA text problem,
The multiple-choice answer view is an apparatus for providing a user authentication service consisting of emotions that are distinct from each other. 3. The method of claim 2,
The processor is
a story captcha text problem selection unit for selecting one of the story captcha text problems stored in the database;
a story captcha text problem providing unit for transmitting the selected story captcha text problem to the server;
a user answer receiving unit for receiving answer information for the story captcha text problem transmitted through a user terminal connected to the server; and
and a user authentication unit for authenticating whether the user of the user terminal is a human by comparing the received answer information of the user with reference correct information stored in the database and confirming whether the correct answer is correct. 4. The method of claim 3,
The processor is
A new dodge by combining a story captcha text problem generator that creates a new story captcha text problem by combining sentences of a plurality of story captcha text problems stored in the database, and multiple-choice answers to the story captcha text problems stored in the database A user authentication service providing apparatus further comprising a machine learning algorithm performing unit comprising a predicted answer generating unit that generates multiple-choice answer views. 3. The method of claim 2,
The story captcha text problem is a user authentication service device including a plurality of question texts implemented as different stories respectively corresponding to a plurality of emotions that are distinguished from each other. a plurality of user terminals;
a server to which the plurality of user terminals are connected to provide a predetermined online service; and
and a user authentication service providing device for performing user authentication of a user terminal accessing the server,
The user authentication service providing device,
a database in which authentication information in the form of a text problem used for user authentication is stored;
A processor for providing the authentication information to the server, and comparing the answer information transmitted from the user terminal with the reference answer information stored in the database to perform user authentication,
The authentication information is
A system for providing a user authentication service including a text problem in which the expression of direct or indirect emotional description is excluded and a predetermined story is included. 7. The method of claim 6,
The text-type authentication information is implemented as a CAPTCHA including a story CAPTCHA text problem,
The CAPTCHA further includes multiple-choice answer examples corresponding to the story CAPTCHA text problem,
The multiple-choice answer view is a user authentication service providing system consisting of emotions that are distinct from each other. 8. The method of claim 7,
The processor is
a story captcha text problem selection unit for selecting one of the story captcha text problems stored in the database;
a story captcha text problem providing unit for transmitting the selected story captcha text problem to the server;
a user answer receiving unit for receiving answer information for the story captcha text problem transmitted through a user terminal connected to the server; and
and a user authentication unit for authenticating whether the user of the user terminal is a human by comparing the received user's answer information with reference correct answer information stored in the database and confirming the correct answer. 9. The method of claim 8,
The processor is
A new dodge by combining a story captcha text problem generator that creates a new story captcha text problem by combining sentences of a plurality of story captcha text problems stored in the database, and multiple-choice answers to the story captcha text problems stored in the database A user authentication service providing system further comprising a machine learning algorithm execution unit comprising a predicted answer generator generating multiple-choice answer views. 8. The method of claim 7,
The story captcha text problem is a user authentication service system including a plurality of question texts implemented as different stories respectively corresponding to a plurality of emotions that are distinguished from each other.

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