KR20140051065A - Method for proof of play in digital signage systems - Google Patents

Method for proof of play in digital signage systems Download PDF

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Publication number
KR20140051065A
KR20140051065A KR1020130116423A KR20130116423A KR20140051065A KR 20140051065 A KR20140051065 A KR 20140051065A KR 1020130116423 A KR1020130116423 A KR 1020130116423A KR 20130116423 A KR20130116423 A KR 20130116423A KR 20140051065 A KR20140051065 A KR 20140051065A
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KR
South Korea
Prior art keywords
reproduction
digital signage
information
message
content
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KR1020130116423A
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Korean (ko)
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KR102029740B1 (en
Inventor
현욱
허미영
김성혜
강신각
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한국전자통신연구원
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Priority to US14/057,464 priority Critical patent/US9742576B2/en
Publication of KR20140051065A publication Critical patent/KR20140051065A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0241—Advertisements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0241—Advertisements
    • G06Q30/0251—Targeted advertisements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0241—Advertisements
    • G06Q30/0251—Targeted advertisements
    • G06Q30/0267—Wireless devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Abstract

A play proving method for a digital signage terminal and a digital signage server is provided. The play providing method of the digital signage terminal includes: a step of obtaining a policy for generating a play proving message and a digital signature provided from a content owner; a step of generating log data including information about the content play according to the policy generation of the message; a step of generating the play proving message using the signature information about the digital signature based on the log data; and a step of proving the message to one or both of the content owner and the digital signage server. [Reference numerals] (310) Digital signage terminal; (311) Client management function module; (312) Content management FE module; (313) Play log FE module; (320) Digital signage server; (321) Log and report management module; (322) Play log management FE module; (331) Security client; (332) Content owner; (341) Obtain a digital signature and a generation policy on a play proving message; (342) Generate the play proving message by obtaining signature information; (343,344,345) Transmit the play proving message

Description

[0001] METHOD FOR PROOF OF PLAY IN DIGITAL SIGNAGE SYSTEMS [0002]

The following embodiments relate to a digital signage content reproduction proof method. Specifically, the following embodiments relate to a digital signage content playback verification method for providing credibility of playback and recording of an advertisement and a content image in providing a digital signage service.

Digital signage is a communication tool that can induce marketing, advertising, training effects and customer experience of companies. It is a digital image device that provides not only broadcast programs but also specific information in public places such as airports, hotels and hospitals. Digital signage can also provide a comprehensive set of software and management platforms that control key functionality in existing commercial digital information displays (DIDs).

If information related to the existing digital signage-based advertisement and content reproduction is transmitted to the advertiser, the advertiser should fully rely on the digital signage service provider (SP). Thus, advertisers are forced to rely entirely on digital signage service providers to provide information related to advertisement and content reproduction without assuring reliability.

Embodiments of the present invention provide a digital signage service in which a digital signage service provider or a digital signage service provider or a digital sign- And a reproduction verification method of the digital signage server.

According to an embodiment of the present invention, there is provided a method of reproducing a digital signage terminal, including: obtaining a generation policy of a digital signature and a reproduction certification message provided from a content owner; Generating log data including information on reproduction of at least one content according to the generation policy of the reproduction certification message; Generating the reproduction authentication message using signature information on the digital signature based on the generated log data; And providing the reproduction proving message to at least one of a digital signage server or the content owner.

The method for verifying reproduction of a digital signage terminal according to an exemplary embodiment may further include obtaining system state information indicating a state of a digital signage terminal.

The generating of the log data may generate the log data using the system state information.

The generating of the reproduction proof message may comprise obtaining the signature information for the digital signature from a security client.

According to an embodiment of the present invention, there is provided a method of verifying reproduction of a digital signage terminal, comprising: obtaining information for encrypting the log data from the content owner; And encrypting the log data using the information for encryption.

The generation policy of the reproduction certification message may include information on the type and format of the reproduction certification message.

The method for verifying reproduction of a digital signage terminal according to an exemplary embodiment may further include receiving information on a user's reaction to the at least one content.

The generating of the log data may generate the log data using information on the reaction of the user.

The method further includes storing at least one of information on playback of the at least one content, system state information, or information of the user's reaction on the local device, according to an exemplary embodiment of the present invention can do.

The generating of the log data may generate the log data by extracting at least one of the information on the reproduction of the at least one content from the local device, the system status information, or the information on the reaction of the user .

Wherein the providing of the reproduction certification message comprises: combining the reproduction certification messages for each of the plurality of contents when the contents owner registers a plurality of contents; And transmitting the integrated reproduction certification message to the content owner.

According to an embodiment of the present invention, there is provided a method for proving a reproduction of a digital signage server, the method comprising: receiving a reproduction certification message from a digital signage terminal; And transmitting the received reproduction certification message to the content owner.

Wherein the step of transmitting the received reproduction certification message to the content owner comprises the steps of: integrating the reproduction certification messages for each of the plurality of contents when the content owner registers a plurality of contents; And transmitting the integrated reproduction certification message to the content owner.

A digital signage terminal according to an embodiment includes a digital signature and generation policy acquisition unit for acquiring a digital signature and a reproduction certification message generation policy provided from a content owner; A log data generation unit for generating log data including information on reproduction of at least one content according to the generation policy of the reproduction certification message; A reproduction certification message generating unit for generating the reproduction certification message using the signature information on the digital signature based on the extracted log data; And a reproduction certification message providing unit for providing the reproduction certification message to at least one of the digital signage server and the content owner.

The digital signage terminal according to an exemplary embodiment may further include a system state information obtaining unit for obtaining system state information indicating a state of the digital signage terminal.

The log data generation unit may generate the log data using the system state information.

The reproduction certification message generating unit may include acquiring the signature information for the digital signature from a security client.

The digital signage terminal according to an embodiment includes an encryption information obtaining unit that obtains information for encrypting the log data from the content owner; And an encryption unit encrypting the log data using the information for encryption.

The generation policy of the reproduction certification message may include information on the type and format of the reproduction certification message.

The digital signage terminal according to an exemplary embodiment may further include a user reaction detection unit that receives information on a user's reaction to the at least one content.

The log data generation unit may generate the log data using information on the reaction of the user.

The digital signage terminal according to an exemplary embodiment may further include a storage unit for storing at least one of information on playback of the at least one content, system state information, or information about a reaction of the user, in a local device.

The log data generation unit may generate at least one of the information on the reproduction of the at least one content, the system state information, or the response of the user from the local device to generate the log data.

The reproduction proof message providing unit may include a reproduction proof message integrating unit that integrates the reproduction proof messages for each of the plurality of contents when the content owner registers a plurality of contents; And an integrated reproduction authentication message transmission unit for transmitting the integrated reproduction authentication message to the content owner.

A digital signage server according to an exemplary embodiment includes a reproduction proof message receiving unit for receiving a reproduction proof message from a digital signage terminal; And a reproduction certification message transmission unit for transmitting the received reproduction certification message to the content owner.

The reproduction authentication message transmission unit may include a reproduction authentication message integration unit that integrates the reproduction authentication messages for each of the plurality of contents when the content owner registers a plurality of contents. And an integrated reproduction authentication message transmission unit for transmitting the integrated reproduction authentication message to the content owner.

Embodiments of the present invention provide a digital signage service in which a digital signage service provider or a digital signage service provider or a digital sign- And a reproduction verification method of the digital signage server.

1 is a diagram illustrating a digital signage terminal according to an exemplary embodiment of the present invention.
2 is a diagram showing an example of a digital signage terminal and a digital signage server.
FIGS. 3A and 3B are diagrams for explaining a reproduction verification method of a digital signage terminal and a digital signage server according to an embodiment.
4 is a flowchart illustrating a method of verifying reproduction of a digital signage terminal according to an exemplary embodiment of the present invention.
FIG. 5 is a flow chart illustrating operation 420 of FIG. 4 in more detail.
6 is a diagram illustrating an example of a reproduction certification message according to an embodiment.
7 is a block diagram illustrating a digital signage terminal according to an exemplary embodiment of the present invention.
8 is a block diagram illustrating a digital signage server according to one embodiment.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. In addition, the same reference numerals shown in the drawings denote the same members.

1 is a diagram illustrating a digital signage terminal according to an exemplary embodiment of the present invention.

1, the digital signage terminal 110 includes a display 111, a microphone 112, a cam 113, a network device 114, a local storage for log data 120, A management function module 130, a device management function module 140, an AM (Audience Measurement) function module 150, and a reproduction proof function module 160.

The digital signage terminal 110 can receive the content of the content owner (e.g., an advertiser) and reproduce the content. The content owner can register his or her content (e.g., advertisement image, advertisement content, and advertisement flash) with a digital signage service provider through a content provider. The digital signage terminal 110 receives content from the digital signage server of the digital signage service provider using the network equipment 114 and receives the content using the display 111, the microphone 112 and the cam 113 One content can be reproduced. At this time, the digital signage terminal 110 can prevent the operation at the intermediate stage by using the digital signature, and can provide information about whether or not the content is actually reproduced to the content owner. This will be described in detail later with reference to FIGS. 3A and 3B.

The client management function module 130 may perform main functions related to playback of the content. In one embodiment, the client management function module 130 may include a content management FE (Function Entity) module, a playback control FE module, and a playback log FE module. The content management FE module manages at least one content, and can store and maintain information on the reproduction time and the like of each content. The playback control FE module can play back content according to a content playback policy (playback time, playback order, etc.), and the playback log FE module can generate a log record related to playback of the content.

The device management function module 140 can manage the status of the digital signage terminal. The device management function module 140 can check the status of the digital signage terminal and generate the system status information indicating the status of the digital signage terminal. In one embodiment, device management function module 140 may perform maintenance of display 111, microphone 112, cam 113, and network device 114.

The AM function module 150 may receive information on a user's reaction to at least one content. The information on the reaction of the user extracted through the AM function module 150 can be utilized for tracking the content reproduction effect (for example, advertisement effect).

The reproduction proof function module 160 may serve as a container for performing a function of a proof-of-play (PoP). In one embodiment, the digital signage terminal 110 can perform a reproduction verification by calling the reproduction certification engine 160 registered for each content. The reproduction proof function module 160 may access the log database to extract necessary information or access each function module to query information to perform reproduction verification.

Local logger 120 may store log records associated with playback of the content. At this time, the log record may include at least one of a system log corresponding to the system status information, information on the reproduction of the content, and a corresponding AM log corresponding to the reproduction log or information of the user's reaction.

2 is a diagram showing an example of a digital signage terminal and a digital signage server.

Referring to FIG. 2, the digital signage terminal 210 may include a content processing function module 220 and a client management function module 230. The content processing function module 220 may include a content management FE module 221 and the client management function module 230 may include a playback control FE module 231 and a playback log FE module 232. The digital signage server 240 may include a log and report management module 241 and the log and report management module 241 may include a playback log management FE module 242.

When the digital signage terminal 210 reproduces content according to a predetermined reproduction policy, the digital signage terminal 210 reports the reproduction result to the digital signage server 240 in the form of log data (or a reproduction log) can do. The digital signage server 240 can confirm whether or not the content has been successfully reproduced using the log data.

In one embodiment, the digital signage terminal 210 can display a plurality of contents simultaneously on a single monitor. Accordingly, the playback control FE module 231 can play back a plurality of contents by controlling a layout management FE module (not shown) that manages the layout of a plurality of contents.

In one embodiment, the playback control FE module 231 may instruct the content control FE module 220 to start playback of the content for playback of specific content (251). The playback control FE module 231 may record a playback start event in the playback log FE module 232 when the content is started (252). After the content is successfully displayed, the playback control FE module 231 can record a playback end event in the playback log FE module 232 (253). If the display of the content fails, the playback control FE module 231 may record the failure event in the playback log FE module 232.

The playback log FE module 232 may generate log data (or a playback log message) based on the recorded events and may transmit the log data to the playback log management FE module 242 of the digital signage server 240 (254).

If the regeneration log event is an urgent event, the digital signage terminal 210 may generate the log data and then immediately report the log data to the digital signage server 240. If the regeneration log event is not an urgent event, the digital signage terminal 210 does not immediately report the generated log data, but merely integrates the log data and transmits the integrated log data to the digital signage server 210 according to a pre- (240). ≪ / RTI >

FIGS. 3A and 3B are diagrams for explaining a reproduction verification method of a digital signage terminal and a digital signage server according to an embodiment.

Referring to FIG. 3A, the digital signage terminal 310 may include a client management function module 311. The client management function module 311 may include a content management FE module 312 and a playback log FE module 313. [ The digital signage server 320 may include a log and report management module 321 and the log and report management module 321 may include a playback log management FE module 322.

In one embodiment, the digital signage service provider may bill the content owner 332 based on the number of times the content is displayed on the digital signage terminal 310. [ The content owner 332 may require the digital signage service provider to provide a more reliable reproduction certificate than a simple reproduction record in order to verify the content actually reproduced.

In one embodiment, content owner 332 may register the creation policy of at least one content and reproduction credential message with digital signage server 320. This registration process may be performed during the content registration procedure, at the request of the content owner 332. [

The playback log FE module 313 may obtain the generation policy of the digital signature and playback verification message from the content management FE module 312 in order to generate the playback verification message (341). Here, the generation policy of the digital signature and the reproduction proof message can be provided from the content owner. The generation policy of the reproduction certification message may include information on the type and format of the reproduction certification message. In one embodiment, the generation policy of the reproduction credential message may indicate the type and format of specific information embedded in the reproduction log or log data.

The replay log FE module 313 may generate log data including information on the replay of the content in accordance with a replay authentication message generation policy. The replay log FE module 313 may request the secure client module 331 to sign the log data with the digital signature provided from the content owner 332. [ 3A, the secure client module 331 is shown as being external to the digital signage terminal 310, the digital signage server 320 and the content owner 332, The digital signage server 320, or the content owner 332. The content owner 332 may include the content owner 332, When the secure client module 331 has signed the log data, the replay log FE module 313 generates a replay certificate message using the signature information on the digital signature acquired from the secure client module 331 based on the log data (342).

Also, the playback log FE module 313 can encrypt log data for security. The playback log FE module 313 can acquire information for encrypting log data from the content owner 332 and can encrypt log data using information for encryption. The reproduction log FE module 313 can generate the reproduction certification message using the signature information on the digital signature based on the encrypted log data.

The playback log FE module 313 may send a playback prompt message to the playback log management FE module 322 of the digital signage server 320 (343). The playback log management FE module 322 receiving the playback verification message can transmit the playback verification message to the content owner 332 (345). At this time, when the content owner 332 registers a plurality of contents, the reproduction log management FE module 322 can integrate reproduction verification messages for each of a plurality of contents. For example, the playback log management FE module 322 may integrate playback verification messages for each of a plurality of contents according to a predetermined schedule, and transmit the playback verification message integrated to the content owner 332 according to a predetermined schedule . In another example, the playback log management FE module 322 may send an integrated playback verification message to the content owner 332 for billing purposes.

In addition, the playback log FE module 313 can directly transmit the playback verification message to the content owner 332 (344). When the reproduction log message is directly transmitted to the content owner 332, the reproduction log FE module 313 can transmit the reproduction certification message generated to the content owner 332 every time the reproduction log message is generated, 332 may include a capability to receive a frequently generated reproduction certification message.

In one embodiment, when the content owner 332 has registered a plurality of contents, the replay log FE module 313 may merge the replay verification messages for each of the plurality of contents. In this case, the replay log FE module 313 may send the integrated replay message to the content owner 332 (344). For example, when the content owner 332 registers a plurality of contents, the reproduction log FE module 313 generates reproduction verification messages for each of a plurality of contents, Messages to the content owner 332 or may integrate the reproduction credentials for each of the plurality of contents and transmit the combined reproduction credentials to the content owner 332. [

Referring to FIG. 3B, the digital signage terminal 350 may include a client management function module 351 and a device management function module 354. The client management function module 351 may include a content management FE module 352 and a refresh log FE module 353 and the device management function module 354 may include a device status monitor FE module 355 . The digital signage server 360 may include a log and report management module 361 and the log and report management module 361 may include a playback log management FE module 362.

The replay log FE module 353 may acquire the generation policy of the digital signature and replay authentication message from the content management FE module 352 (381) in order to generate the replay proof message.

It is necessary to check whether the digital signage terminal 350 is normally operated while the digital signage terminal 350 displays the contents. For example, the monitor blackout problem may occur while the digital signage terminal 350 displays content. Accordingly, the device status monitor FE module 355 can monitor the status of the digital signage terminal 350. [ The playback log FE module 353 may obtain 382 the system status information indicating the status of the digital signage terminal 350 from the device status management monitor FE module 355.

The playback log FE module 353 may generate log data including information on playback of the content according to the generation policy of the playback authentication message. In one embodiment, the replay log FE module 353 may generate log data using system state information.

The replay log FE module 353 may request the secure client module 371 to sign the log data with the digital signature provided by the content owner 372. [ 3B, the secure client module 371 is shown as being external to the digital signage terminal 350, the digital signage server 360 and the content owner 372, The digital signage server 360, or the content owner 372. The content owner 372 may include the content owner 372, When the security client module 371 has signed the log data, the replay log FE module 353 generates the replaying proof message using the signature information on the digital signature acquired from the secure client module 371 based on the log data (383).

The playback log FE module 353 may send a playback prompt message to the playback log management FE module 362 of the digital signage server 360 (384). The playback log management FE module 362 receiving the playback verification message may transmit the playback verification message to the content owner 372 (386). At this time, when the content owner 372 registers a plurality of contents, the reproduction log management FE module 362 can integrate reproduction verification messages for each of a plurality of contents. For example, the playback log management FE module 362 may integrate playback verification messages for each of a plurality of contents according to a predetermined schedule, and transmit the playback verification message integrated to the content owner 372 according to a predetermined schedule . In another example, the playback log management FE module 362 may send an integrated playback prompt message to the content owner 372 for billing purposes.

In addition, the playback log FE module 353 can directly transmit the playback verification message to the content owner 372 (385). When the reproduction log message is directly transmitted to the content owner 372, the reproduction log FE module 353 can transmit the reproduction certification message generated to the content owner 372 every time the reproduction log message is generated, 372 may include a capability to receive a frequently generated reproduction certification message.

In one embodiment, when the content owner 372 has registered a plurality of contents, the replay log FE module 353 integrates the replay proof messages for each of the plurality of contents, and sends the replay proof message to the content owner 372 (385).

4 is a flowchart illustrating a method of verifying reproduction of a digital signage terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 4, in the digital signature terminal's reproduction verification method according to an exemplary embodiment, the digital signage terminal can acquire a digital signature and reproduction certification message generation policy provided from the content owner (410). Here, the generation policy of the reproduction certification message may include information on the type and format of the reproduction certification message.

The content owner may register at least one content with the digital signage service provider. At this time, the content owner can transmit the generation policy of the digital signature and the reproduction proof message to the digital signage server of the digital signage service provider. In one embodiment, the content owner may send the public key needed to encrypt the log data to the digital signage server. The digital signage server may register at least one content, a generation policy of the reproduction certification message, and a public key to the digital signage terminal. In order to support various heterogeneous terminal equipment, the modules included in the digital signage terminal can be implemented based on at least one of HTML5, JavaScript, or WebKit. Here, WebKit can refer to an open source application framework that provides the basis for building a web browser.

In addition, in the reproduction certification method of the digital signage terminal according to an embodiment, the digital signage terminal may generate log data including information on reproduction of at least one content according to the generation policy of the reproduction certification message (420). The digital signage terminal can acquire system state information indicating the state of the digital signage terminal and generate log data using the acquired system state information. Also, the digital signage terminal can receive information on a user's reaction to at least one content, and can generate log data using information on the reaction of the user. In addition, the digital signage terminal may store at least one of information on reproduction of at least one content, system state information, or information of the user's reaction in the local device, and the digital signage terminal may receive at least one content The system state information, or the information about the reaction of the user, to generate log data.

In one embodiment, the log data may include at least one of log time of at least one piece of content, information about playback, system state information, and information about a user's response.

The digital signage terminal can acquire information for encrypting the log data from the content owner and can encrypt the log data using the information for encryption. For example, the digital signage terminal may obtain the public key from the content owner and may encrypt the log data using the public key cryptography.

In addition, in the reproduction certification method of the digital signage terminal according to an exemplary embodiment, the digital signage terminal may generate the reproduction certification message using the signature information on the digital signature with respect to the generated log data (430). The digital signage terminal can acquire the signature information for the digital signature from the security client and generate the reproduction proof message using the acquired signature information. In one embodiment, the secure client may use the public key to sign on the log data, and the digital signage terminal may obtain the signature information from the secure client to generate a reproduction credential message.

In order to prepare for the loss of the reproduction certification message, the digital signage terminal may include the message serial number in the reproduction certification message. Accordingly, the reproduction proving message may include a message serial number, log data, and a digital signature.

In addition, in the reproduction certification method of the digital signage terminal according to an exemplary embodiment, the digital signage terminal may provide the reproduction certification message to at least one of the digital signage server or the content owner (440).

When the digital signage terminal transmits the reproduction certificate message to the digital signage server, the digital signage server can transmit the reproduction certificate message to the content owner. At this time, when the content owner registers a plurality of contents, the digital signage server can integrate the reproduction certification messages for each of the plurality of contents, and can transmit the integrated reproduction certification message to the contents owner.

In addition, when the digital signage terminal transmits the direct reproduction authentication message to the content owner without going through the digital signage server, the reproduction authentication message can be encrypted by the public key encryption technique. At this time, the content owner can confirm the reproduction authentication message using the private key.

In one embodiment, when the digital signage terminal transmits a direct reproduction authentication message to the content owner, when the content owner registers a plurality of contents, the digital signage terminal transmits the reproduction certificate Or may transmit the integrated reproduction authentication message to the content owner by integrating the reproduction authentication messages for each of the plurality of contents.

FIG. 5 is a flow chart illustrating operation 420 of FIG. 4 in more detail.

Referring to FIG. 5, the digital signage terminal may determine whether a local log recorder exists (510). The local log recording device may be a device that stores log records related to playback of at least one content.

If a local logger exists, the digital signage terminal may request logging to the local logger (520). For example, the digital signage terminal may extract at least one of information on playback of at least one content, system state information, or information of a user's reaction from the local log recorder.

If no local logger exists, the digital signage terminal may obtain information about the playback of at least one content from the client management function module (530). In addition, the digital signage terminal may obtain system status information from the device management function module 540 and obtain information about the reaction of the user from the AM function module (550). Accordingly, the digital signage terminal can directly request information on the log data to each module without going through the local log recording device.

Also, the digital signage terminal may generate log data (560). The digital signage terminal can generate log data using at least one of information on reproduction of at least one content, system state information, or information on the reaction of the user.

6 is a diagram illustrating an example of a reproduction certification message according to an embodiment.

Referring to FIG. 6, the reproduction proving message 610 may include a message serial number 620, log data 630, and a digital signature 640.

The message serial number 620 is prepared for the loss of the reproduction proving message, so that the message serial number 620 can be increased each time a reproduction proving message is generated. Log data 630 may include log time 631, system state information 632, information about playback 633, and information about the user's response 634. The log time 631 may include a start time and an end time at which the log is recorded. The system status information 632 may include information related to the system status such as whether the digital signage terminal is operating normally (for example, whether the display is on or off). The reproduction information 633 may include information related to the reproduction of the content such as the identifier of the content to be reproduced, the reproduction start time, and the reproduction stop time. Information 634 of the user's response may include information about the reaction of the user (e.g., audiences) to the content, the number of users, and the characteristics of the user.

The digital signature 640 may be obtained from the content owner. The digital signage terminal may obtain the signature information by the digital signature 640 from the secure client and may generate the reproduction certificate message using the signature information.

7 is a block diagram illustrating a digital signage terminal according to an exemplary embodiment of the present invention.

7, the digital signage terminal 700 includes a digital signature and generation policy acquisition unit 710, a log data generation unit 720, a reproduction certification message generation unit 730, and a reproduction certification message preparation unit 740, . ≪ / RTI > In one embodiment, the digital signature and generation policy acquisition unit 710, the log data generation unit 720, the reproduction certification message generation unit 730, and the reproduction certification message preparation unit 740 may be implemented by a digital signage terminal 700 (Not shown) belonging to the client management function module (not shown).

The digital signature and generation policy acquisition unit 710 may acquire a generation policy of the digital signature and the reproduction certification message provided from the content owner.

The log data generating unit 720 may generate log data including information on reproduction of at least one content according to the generation policy of the reproduction certification message.

The reproduction certification message generating unit 730 can generate the reproduction certification message using the signature information on the digital signature with respect to the extracted log data.

The reproduction certification message providing unit 740 may provide a reproduction certification message to at least one of the digital signage server or the content owner.

The digital signage terminal according to the embodiment illustrated in FIG. 7 may be applied to the digital signage terminal illustrated in FIG. 1 through FIG. 6 as it is, and thus a detailed description thereof will be omitted.

8 is a block diagram illustrating a digital signage server according to one embodiment.

Referring to FIG. 8, the digital signage server 800 may include a reproduction proof message receiving unit 810 and a reproduction proof message transmitting unit 820. In one embodiment, the reproduction certification message receiver 810 and the reproduction certification message transmitter 820 are connected to a playback log management FE module (not shown) in the log and report management function module (not shown) of the digital signage server 800 ).

The reproduction certification message receiving unit 810 can receive the reproduction certification message from the digital signage terminal.

The reproduction certification message transmission unit 820 can transmit the received reproduction certification message to the content owner.

The reproduction certification message transmission unit 820 may include a reproduction certification message integration unit 821 and an integrated reproduction certification message transmission unit 822. [

When the content owner registers a plurality of contents, the reproduction certification message integrating unit 821 can integrate the reproduction certification messages for each of the plurality of contents.

The reproduction certification message transmitting unit 822 may transmit the integrated reproduction certification message to the content owner.

The digital signage server according to the embodiment shown in FIG. 8 may be applied to the digital signage server shown in FIG. 1 through FIG. 6 as it is, so that a detailed description will be omitted.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media 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 machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (18)

Obtaining a generation policy of a digital signature and a reproduction certification message provided from a content owner;
Generating log data including information on reproduction of at least one content according to the generation policy of the reproduction certification message;
Generating the reproduction authentication message using signature information on the digital signature based on the generated log data; And
Providing the reproduction certificate message to at least one of a digital signage server or the content owner
/ RTI >
A method for proving reproduction of a digital signage terminal.
The method according to claim 1,
Acquiring system state information indicating a state of the digital signage terminal
Further comprising:
Wherein the generating of the log data comprises:
And generating the log data using the system status information,
A method for proving reproduction of a digital signage terminal.
The method according to claim 1,
Wherein the generating the reproduction-
Obtaining the signature information for the digital signature from a secure client
/ RTI >
A method for proving reproduction of a digital signage terminal.
The method according to claim 1,
Obtaining information for encrypting the log data from the content owner; And
Encrypting the log data using the information for encryption
≪ / RTI >
A method for proving reproduction of a digital signage terminal.
The method according to claim 1,
The generation policy of the reproduction-
And information about the type and format of the playback-
A method for proving reproduction of a digital signage terminal.
3. The method of claim 2,
Receiving information on a user's reaction to the at least one content
Further comprising:
Wherein the generating of the log data comprises:
And generating the log data using information on the reaction of the user,
A method for proving reproduction of a digital signage terminal.
The method according to claim 6,
Storing at least one of information on the reproduction of the at least one content, the system status information or the response of the user to a local device
Further comprising:
Wherein the generating of the log data comprises:
Extracting at least one of information on reproduction of the at least one content from the local device, information on the system state information, or information on the reaction of the user,
A method for proving reproduction of a digital signage terminal.
The method according to claim 1,
Wherein the providing of the reproduction proving message comprises:
If the content owner has registered a plurality of contents, integrating the reproduction authentication messages for each of the plurality of contents; And
Transmitting the integrated reproduction authentication message to the content owner
/ RTI >
A method for proving reproduction of a digital signage terminal.
Receiving a reproduction certification message from a digital signage terminal; And
And transmitting the received reproduction certification message to the content owner
Lt; / RTI >
The step of transmitting the received reproduction certification message to a content owner comprises:
If the content owner has registered a plurality of contents, integrating the reproduction authentication messages for each of the plurality of contents; And
Transmitting the integrated reproduction authentication message to the content owner
/ RTI >
A method for proving reproduction of a digital signage server.
A digital signature and generation policy acquisition unit acquiring a generation policy of a digital signature and a reproduction certification message provided from a content owner;
A log data generation unit for generating log data including information on reproduction of at least one content according to the generation policy of the reproduction certification message;
A reproduction certification message generating unit for generating a reproduction certification message using the signature information on the digital signature based on the extracted log data; And
The digital signage server or the content owner,
/ RTI >
Digital signage terminal.
11. The method of claim 10,
A system state information acquiring unit for acquiring system state information indicating a state of the digital signage terminal,
Further comprising:
Wherein the log data generation unit comprises:
And generating the log data using the system status information,
Digital signage terminal.
11. The method of claim 10,
Wherein the reproduction-
Obtaining the signature information for the digital signature from a secure client,
Digital signage terminal.
11. The method of claim 10,
An encryption information obtaining unit for obtaining information for encrypting the log data from the content owner; And
An encryption unit for encrypting the log data using the encryption information,
≪ / RTI >
Digital signage terminal.
11. The method of claim 10,
The generation policy of the reproduction-
And information about the type and format of the playback-
Digital signage terminal.
12. The method of claim 11,
A user reaction detecting unit for receiving information on a user's reaction to the at least one content,
Further comprising:
Wherein the log data generation unit comprises:
And generating the log data using information on the reaction of the user,
Digital signage terminal.
16. The method of claim 15,
A storage unit for storing at least one of information on the reproduction of the at least one content, the system status information,
Further comprising:
Wherein the log data generation unit comprises:
Extracting at least one of information on reproduction of the at least one content from the local device, information on the system state information, or information on the reaction of the user,
Digital signage terminal.
11. The method of claim 10,
Wherein the reproduction-
A reproduction proof message integrating unit for integrating the reproduction proof messages for each of the plurality of contents when the content owner registers a plurality of contents; And
An integrated reproduction authentication message transmission unit for transmitting the integrated reproduction authentication message to the content owner,
/ RTI >
Digital signage terminal.
A reproduction certification message receiving unit for receiving a reproduction certification message from the digital signage terminal; And
And transmits the received reproduction certification message to the content owner.
Lt; / RTI >
The reproduction authentication message transmission unit transmits,
A reproduction proof message integrating unit for integrating the reproduction proof messages for each of the plurality of contents when the content owner registers a plurality of contents; And
An integrated reproduction authentication message transmission unit for transmitting the integrated reproduction authentication message to the content owner,
/ RTI >
Digital signage server.
KR1020130116423A 2012-10-19 2013-09-30 Method for proof of play in digital signage systems KR102029740B1 (en)

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KR1020120116343 2012-10-19

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