KR101163029B1 - System and method for caller authentication and terminal device - Google Patents

Abstract

When the call is received from the calling terminal to the called terminal, if authentication of the multimedia content associated with the user of the calling terminal is completed in the authentication server, the caller authentication system and method for the called terminal to play the multimedia content when the call notification for the call; And a terminal device usable as the called terminal are disclosed.

Outgoing, incoming, authenticating, multimedia content, notification

Description

Sender authentication system and method, and terminal device {SYSTEM AND METHOD FOR CALLER AUTHENTICATION AND TERMINAL DEVICE}

A sender authentication system and method and a terminal device are disclosed. Embodiments of the present invention relate to a technology capable of preventing a crime such as voice phishing through authentication of the calling terminal when the call is received from the calling terminal to the called terminal.

Recently, as the mobile communication terminals have been widely spread, various mobile communication services have been introduced in consideration of the convenience of users.

On the other hand, telephone fraud using mobile communication is rapidly increasing by taking advantage of the penetration rate of mobile communication terminals.

In particular, recently, vicious telephone fraud techniques such as voice phishing have emerged, and the damage to this is increasing.

Voice phishing is a fraudulent way of calling a victim and asking for remittance or collecting personal information.

In particular, voice phishing implies that the sender is a certified agency, such as a bank, a police agency, a prosecutor's office, an IRS, etc., so that the recipient does not assume that the recipient is fraudulent by requesting money transfer or personal information.

As a method for preventing voice phishing, a caller ID display service or a lettering service may be used. However, these services have very low utilization in that there is no separate authentication process for the caller.

For example, if a person claiming to be the IRS causes the message “IRS” to appear on the destination terminal by using a lettering service, the user of the destination terminal may be more exposed to voice phishing crime.

Therefore, there is a need for research on technologies and services that can prevent crimes such as voice phishing.

When the call is received from the calling terminal to the called terminal, if authentication of the multimedia content associated with the user of the calling terminal is completed in the authentication server, the caller authentication system and method for the called terminal to play the multimedia content when the call notification for the call; And by providing a terminal device that can be used as the destination terminal, it is possible to prevent a crime such as voice phishing (voice phishing).

A sender authentication system according to an embodiment of the present invention receives a multimedia content from a content authoring apparatus and registers the multimedia content, receives the multimedia content from the registration server, and requests the transmission of the multimedia content from a called terminal. A content server for transmitting the multimedia content to the called terminal and receiving a request for verifying the multimedia content from the called terminal, verifying the multimedia content, and verifying the verification result of the multimedia content to the called terminal. And an authentication server for transmitting, wherein the called terminal requests the transmission of the multimedia contents to the content server when a call is received from an originating terminal, and upon receiving notification of the call based on the verification result, Play the content.

In addition, the terminal device according to an embodiment of the present invention, when the call is received from the originating terminal, the content request unit for requesting the transmission of the multimedia content to the content server, the content receiving unit for receiving the multimedia content from the content server, authentication server A verification request unit for requesting verification of the multimedia content, a verification receiving unit receiving a verification result of the multimedia content from the authentication server, and reproducing the multimedia content upon notification of an incoming call based on the verification result; It includes a content playback unit.

In addition, in the caller authentication method according to an embodiment of the present invention, receiving the multimedia content from a content authoring apparatus and storing the multimedia content, when a call is received from the calling terminal to the called terminal, transmitting the multimedia content from the called terminal. Receiving a request, transmitting the multimedia content to the called terminal in response to the request for transmitting the multimedia content, receiving a verification request of the multimedia content from the called terminal, and corresponding to the verification request of the multimedia content Performing the verification on the multimedia content and transmitting the verification result of the multimedia content to the called terminal, wherein the called terminal determines the incoming call to the call based on the verification result. Play the content.

When the call is received from the calling terminal to the called terminal, when authentication of the multimedia content associated with the user of the calling terminal is completed in the authentication server, the caller authentication system and method for the called terminal to play the multimedia content when the call notification for the call; And providing a terminal device usable as the called terminal, it is possible to prevent crimes such as voice phishing.

Hereinafter, with reference to the accompanying drawings will be described embodiments of the present invention; However, the present invention is not limited or limited by the embodiments. Also, like reference numerals in the drawings denote like elements.

1 is a conceptual diagram schematically showing a caller authentication system according to an embodiment of the present invention.

Referring to FIG. 1, a registration server 110, a content server 120, an authentication server 130, a content authoring device 140, a sender electronic signature device 150, a calling terminal 160, and a called terminal 170. Is shown.

Here, the calling terminal 160 and the called terminal 170 is a concept that collectively refers to a terminal having a calling function, such as a mobile communication terminal, a PDA, a Voice over Internet Protocol (VoIP) phone.

In the caller authentication system according to an embodiment of the present invention, when a call is connected from the calling terminal 160 to the called terminal 170 in order to prevent a crime such as voice phishing, By performing authentication and displaying the authentication result on the called terminal 170, the user of the called terminal 170 can be induced to avoid the unauthorized call.

Therefore, hereinafter, referring to FIG. 1, a caller authentication system according to an embodiment of the present invention will be described in detail.

First, a content author authors multimedia content associated with a user of the calling terminal 160 using the content authoring device 140.

For example, when the user of the calling terminal 160 is a bank institution, the content author may author the multimedia content by inserting a bank name and a logo of the user of the calling terminal 160.

In this case, the content authoring apparatus 140 may execute a predetermined content authoring tool pre-installed in the content authoring apparatus 140 to provide a user interface associated with authoring of the multimedia content.

Accordingly, a content author can author the multimedia content through the user interface.

According to an embodiment of the present invention, the content authoring tool may have a function of making the multimedia content into AMF (Advanced Multimedia Format) content by utilizing various multimedia files such as an image, a video, and an audio.

In addition, the content authoring apparatus 140 may receive the electronic signature information of the content author from the content author, and insert the electronic signature information of the content author into the multimedia content.

As a result, the security of the multimedia content can be improved, and a subsequent denial of the author of the multimedia content can be prevented.

According to an embodiment of the present invention, the content authoring device 140 may be implemented as a variety of multimedia devices having a predetermined computing power by mounting a predetermined microprocessor, such as a computer, a notebook, a PDA, a mobile communication terminal.

When a content author completes authoring of the multimedia content using the content authoring device 140, the content authoring device 140 transmits the multimedia content to the registration server 110.

In this case, the registration server 110 receives the multimedia content from the content authoring device 140 and registers the multimedia content.

According to an embodiment of the present invention, the registration server 110 may grant execution rights to the content authoring tool based on the electronic signature information of the content author.

For example, when a content author attempts to execute the content authoring tool to author the multimedia content, the content authoring apparatus 140 receives electronic signature information from the content author, transmits it to the registration server 110, and registers the registration server 110. 110 may grant execution rights to the content authoring tool based on the electronic signature information of the content author.

When the registration server 110 completes the registration of the multimedia content, the registration server 110 transmits the multimedia content to the caller electronic signature device 150.

In this case, the caller electronic signature device 150 may receive the multimedia content from the registration server 110 and display the multimedia content.

Accordingly, the user of the calling terminal 160 may check the multimedia content through the caller electronic signature device 150.

For example, when the user of the calling terminal 160 is the bank A, and the bank A requests the content creator B to produce the multimedia content, the B creates the multimedia content using the content authoring device 140 to register the server ( When registering to the 110, A bank can check the multimedia content by receiving the multimedia content from the registration server 110 using the caller electronic signature device 150.

When the user of the calling terminal 160 completes the confirmation of the multimedia content, the user of the calling terminal 160 may input caller electronic signature information to the calling electronic signature device 150.

At this time, the caller electronic signature device 150 receives the caller digital signature information from the user of the calling terminal 160, and transmits the caller electronic signature information to the registration server 110.

At this time, the registration server 110 receives the caller digital signature information from the caller digital signature device 150 and inserts the caller digital signature information into the multimedia content.

According to an embodiment of the present invention, the sender electronic signature device 150 may be implemented as a variety of multimedia devices having a predetermined computing power by mounting a predetermined microprocessor, such as a computer, a notebook, a PDA, a mobile communication terminal.

In addition, although in the embodiment of FIG. 1, the caller electronic signature device 150 and the caller terminal 160 are divided into separate devices, according to another embodiment of the present invention, the caller terminal 160 and the caller electronic signature device are provided. 150 is not classified as a separate device, and the calling terminal 160 may perform a function of the calling electronic signature device 150 by itself.

The registration server 110 transmits the multimedia content to the content server 120 after completing the insertion of the sender electronic signature information into the multimedia content.

In this case, the content server 120 receives the multimedia content from the registration server 110 and stores the multimedia content.

After the storing of the multimedia content in the content server 120 is completed, when the calling terminal 160 sends a call to the called terminal 170, the called terminal 170 transmits the multimedia content to the content server 120. Ask.

In this case, the content server 120 transmits the multimedia content to the called terminal 170 in response to the request for transmitting the multimedia content transmitted from the called terminal 170.

At this time, the receiving terminal 170 receives the multimedia content from the content server 120, and extracts the caller electronic signature information inserted in the multimedia content from the multimedia content.

Then, the called terminal 170 requests verification of the multimedia content from the authentication server 130, and simultaneously transmits the sender electronic signature information to the authentication server 130.

At this time, the authentication server 130 receives the caller electronic signature information from the destination terminal 170 and verifies the multimedia content based on the caller electronic signature information.

That is, the authentication server 130 may verify the multimedia content by checking the integrity of the caller electronic signature information.

When the authentication server 130 completes the verification of the multimedia content, the verification server 130 transmits the verification result thereof to the called terminal 170.

At this time, the receiving terminal 170 receives the verification result from the authentication server 130, and if it is determined that the integrity of the sender electronic signature information and the like is verified based on the verification result, the originating terminal 160 is sent The multimedia content is played when an incoming call is received.

However, when the authentication server 130 fails to verify the multimedia contents, the called terminal 170 may perform the incoming notification without playing the multimedia contents.

In other words, when the call comes from the calling terminal 160, the called terminal 170 only receives the multimedia content associated with the user of the calling terminal 160 when the verification is completed at the authentication server 130. By playing the multimedia content at the same time as notifying the user of the call, the user of the called terminal 170 can avoid the phone having the purpose of voice phishing.

In this case, according to an embodiment of the present invention, when the called terminal 170 determines that the integrity of the sender electronic signature information is verified based on the verification result, the receiving terminal 170 generates an authentication confirmation mark for the multimedia content. Simultaneously with playing the multimedia content, the authentication confirmation mark may be displayed on the screen of the called terminal 170.

In this regard, an example of a screen that may be displayed on the called terminal 170 is shown in FIG. 2.

2 is a diagram illustrating an example of a screen of a called terminal according to an embodiment of the present invention.

If the user of the calling terminal 160 is the “National Tax Service”, the multimedia content may be produced as shown in the screen 210 of FIG. 2.

In addition, when it is determined that the verification of the multimedia content is completed by the authentication server 130, the called terminal 170 plays the multimedia content and notifies the call from the "IRS" and simultaneously confirms the authentication confirmation mark 220. By generating and displaying the authentication confirmation mark 220 on the screen of the called terminal 170.

By doing so, the user of the called terminal 170 sees the screen of the called terminal 170, confirms that the caller is "IRS," and whether the caller is already "IRS", thereby calling for reasons such as voice phishing. You can judge that it is not coming.

3 is a diagram showing the structure of a caller authentication system according to an embodiment of the present invention.

Referring to FIG. 3, a caller authentication system 310, a content authoring device 320, a caller electronic signature device 330, a caller terminal 340, and a caller terminal 350 are illustrated.

The sender authentication system 310 according to an embodiment of the present invention includes a registration server 311, a content server 312, and an authentication server 313.

The registration server 311 receives the multimedia content from the content authoring device 320 and registers the multimedia content.

According to an embodiment of the present invention, the multimedia content may be content encoded with an AMF codec.

According to an embodiment of the present invention, the content authoring apparatus 320 executes a content authoring tool to provide a user interface associated with the authoring of the multimedia content, and receives electronic signature information of the content author from a content author, The electronic signature information of the content author may be inserted into the content.

In this case, according to an embodiment of the present invention, the registration server 311 may grant execution rights to the content authoring tool based on the electronic signature information of the content author.

In addition, according to an embodiment of the present invention, the registration server 311 may transmit the multimedia content to the caller electronic signature device 330.

In this case, the caller electronic signature device 330 may receive caller electronic signature information from the user of the calling terminal 340 and transmit the caller electronic signature information to the registration server 311.

In this case, the registration server 311 may receive the sender electronic signature information from the caller electronic signature device 330 and insert the sender electronic signature information into the multimedia content.

The content server 312 receives the multimedia content from the registration server 311 and stores the multimedia content.

When the call is received from the calling terminal 340, the called terminal 350 requests the content server 312 to transmit the multimedia content.

At this time, the content server 312 receives the transmission request of the multimedia content from the destination terminal 350 and transmits the multimedia content to the destination terminal 350.

The receiving terminal 350 receives the multimedia content from the content server 312, and requests the verification server 313 to verify the multimedia content.

At this time, the authentication server 313 receives the verification request of the multimedia content from the called terminal 350 to verify the multimedia content and transmits the verification result of the multimedia content to the called terminal 350.

According to an embodiment of the present invention, the called terminal 350 may extract the sender electronic signature information from the multimedia content and transmit the sender electronic signature information to the authentication server 313.

In this case, the authentication server 313 may receive the caller electronic signature information from the called terminal 350 and verify the multimedia content based on the caller electronic signature information.

When the called terminal 350 receives the verification result of the multimedia content from the authentication server 313, the called terminal 350 plays the multimedia content upon notification of the call sent from the calling terminal 340 based on the verification result.

At this time, according to an embodiment of the present invention, if it is determined that the verification of the multimedia content is completed based on the verification result, the called terminal 350 may play the multimedia content.

In addition, according to an embodiment of the present invention, when it is determined that the verification of the multimedia content is completed based on the verification result, the called terminal 350 generates an authentication confirmation mark for the multimedia content to play the multimedia content. At the same time, the authentication confirmation mark may be displayed.

4 is a diagram illustrating a structure of a terminal device according to an embodiment of the present invention.

Referring to FIG. 4, a terminal device 410, a content server 420, and an authentication server 430 are illustrated.

The terminal device 410 according to an embodiment of the present invention includes a content requesting unit 411, a content receiving unit 412, a verification requesting unit 413, a verification receiving unit 414, and a content reproducing unit 415.

When the call is received from the originating terminal, the content request unit 411 requests the content server 420 to transmit the multimedia content.

According to an embodiment of the present invention, the multimedia content may be content encoded with an AMF codec.

The content receiver 412 receives the multimedia content from the content server 420.

The verification request unit 413 requests the verification of the multimedia content to the authentication server 430.

According to an embodiment of the present invention, the multimedia content may include electronic signature information of the user of the calling terminal.

In this case, the verification request unit 413 may extract the digital signature information from the multimedia content and transmit the digital signature information to the authentication server 430.

In this case, the authentication server 430 may verify the multimedia content based on the digital signature information.

The verification receiver 414 receives a verification result for the multimedia content from the authentication server 430.

The content playback unit 415 plays the multimedia content upon notification of the incoming call based on the verification result.

According to an embodiment of the present invention, if it is determined that the verification of the multimedia content is completed based on the verification result, the content player 415 may play the multimedia content.

In addition, according to an embodiment of the present invention, if it is determined that the verification of the multimedia content is completed based on the verification result, the content playback unit 415 generates an authentication confirmation mark for the multimedia content to generate the multimedia content. The authentication confirmation mark may be displayed at the same time as playback.

5 is a flowchart illustrating a caller authentication method according to an embodiment of the present invention.

In operation S510, multimedia content is received from a content authoring apparatus and the multimedia content is stored.

According to an embodiment of the present invention, the content authoring apparatus executes a content authoring tool, provides a user interface associated with the authoring of the multimedia content, receives electronic signature information of a content author from a content author, The electronic signature information of the content author may be inserted.

In addition, according to an embodiment of the present invention, the multimedia content may be content encoded with an AMF codec.

In step S520, when a call is received from the calling terminal to the called terminal, a request for transmission of the multimedia content is received from the called terminal.

In step S530, the multimedia content is transmitted to the called terminal in response to the request for transmitting the multimedia content.

In step S540, the verification request for the multimedia content is received from the called terminal.

In operation S550, the multimedia content is verified in response to the verification request of the multimedia content.

According to an embodiment of the present invention, the multimedia content may include caller electronic signature information.

In this case, in operation S550, the multimedia content may be verified based on the sender electronic signature information.

In step S560, the verification result of the multimedia content is transmitted to the called terminal.

At this time, the called terminal plays the multimedia content upon notification of the incoming call based on the verification result.

In this case, according to an embodiment of the present invention, when it is determined that the verification of the multimedia content is completed based on the verification result, the called terminal generates an authentication confirmation mark for the multimedia content and plays the multimedia content. At the same time, the authentication confirmation mark can be displayed.

The sender authentication method according to an embodiment of the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. 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. 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. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all of the equivalents or equivalents of the claims as well as the claims to be described later will belong to the scope of the present invention. .

1 is a conceptual diagram schematically showing a caller authentication system according to an embodiment of the present invention.

2 is a diagram illustrating an example of a screen of a called terminal according to an embodiment of the present invention.

3 is a diagram showing the structure of a caller authentication system according to an embodiment of the present invention.

4 is a diagram illustrating a structure of a terminal device according to an embodiment of the present invention.

5 is a flowchart illustrating a caller authentication method according to an embodiment of the present invention.

Claims (19)

A registration server that receives the multimedia content from a content authoring apparatus and registers the multimedia content; A content server for receiving the multimedia content from the registration server, receiving a request for transmission of the multimedia content from a destination terminal, and transmitting the multimedia content to the destination terminal; And An authentication server that receives the verification request for the multimedia content from the called terminal, verifies the multimedia content, and transmits the verification result of the multimedia content to the called terminal. Including, When the call is received from the calling terminal, the called terminal requests the transmission of the multimedia content to the content server, and plays the multimedia content upon notification of the call based on the verification result. The content authoring apparatus executes a content authoring tool to provide a user interface associated with the authoring of the multimedia content, receives electronic signature information of the content author from a content author, and inserts the electronic signature information of the content author into the multimedia content. Caller authentication system. The method of claim 1, The called terminal is And if it is determined that the verification of the multimedia content is completed based on the verification result, the caller authentication system playing the multimedia content. delete The method of claim 1, The registration server A sender authentication system for granting execution rights to the content authoring tool based on the electronic signature information of the content author. The method of claim 1, The registration server Transmitting the multimedia content to a caller digital signature device, receiving caller digital signature information from the caller digital signature device, and inserting the caller digital signature information into the multimedia content; The caller electronic signature device receives the caller digital signature information from the user of the calling terminal, and sends the caller electronic signature information to the registration server. The method of claim 5, The authentication server Receiving the sender electronic signature information from the called terminal and performing verification on the multimedia content based on the sender electronic signature information; And the called terminal extracts the caller digital signature information from the multimedia content and transmits the caller digital signature information to the authentication server. The method of claim 1, The called terminal is And if it is determined that the verification of the multimedia content is completed based on the verification result, a caller authentication system generating an authentication confirmation mark for the multimedia content to play the multimedia content and simultaneously display the authentication confirmation mark. The method of claim 1, And the multimedia content is content encoded with an advanced multimedia format (AMF) codec. A content request unit requesting transmission of multimedia content to a content server when a call is received from a calling terminal; A content receiver configured to receive the multimedia content from the content server; A verification request unit for requesting verification of the multimedia content to an authentication server; A verification receiver which receives a verification result of the multimedia content from the authentication server; And Content playback unit for reproducing the multimedia content upon notification of the incoming call based on the verification result Including, The multimedia content Including electronic signature information on the user of the calling terminal, The verification request unit extracts the digital signature information from the multimedia content and transmits the digital signature information to the authentication server. The authentication server terminal device to verify the multimedia content based on the digital signature information. 10. The method of claim 9, The content playback unit And when it is determined that the verification of the multimedia content is completed based on the verification result, the terminal device playing the multimedia content. delete 10. The method of claim 9, The content playback unit And when it is determined that the verification of the multimedia content is completed based on the verification result, generating an authentication confirmation mark for the multimedia content to play the multimedia content and simultaneously display the authentication confirmation mark. 10. The method of claim 9, And the multimedia content is content encoded with an advanced multimedia format (AMF) codec. At the registration server, receiving the multimedia content from a content authoring apparatus and registering the multimedia content; Receiving, at a content server, a request for transmitting the multimedia content from a called terminal, and transmitting the multimedia content to the called terminal in response to the request for transmitting the multimedia content; Receiving, at the authentication server, a verification request for the multimedia content from the called terminal, verifying the multimedia content, and transmitting the verification result of the multimedia content to the called terminal; Including, The called terminal plays the multimedia content upon notification of the incoming call based on the verification result, The content authoring apparatus executes a content authoring tool to provide a user interface associated with the authoring of the multimedia content, receives electronic signature information of the content author from a content author, and inserts the electronic signature information of the content author into the multimedia content. Caller authentication method. delete The method of claim 14, The multimedia content Include sender digital signature information, The step of performing the verification on the multimedia content is A sender authentication method for verifying the multimedia content based on the sender electronic signature information. The method of claim 14, The called terminal is And determining that the verification of the multimedia content is completed based on the verification result, generating an authentication confirmation mark for the multimedia content to play the multimedia content and simultaneously display the authentication confirmation mark. The method of claim 14, And the multimedia content is content encoded with an advanced multimedia format (AMF) codec. 19. A computer readable recording medium having recorded thereon a program for performing the method of any one of claims 14 and 16-18.

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