KR102081406B1 - Management system and method related to 4d and attraction code for limiting authority of use - Google Patents

Abstract

According to various embodiments of the present invention, a DRM KEY file is encrypted and decrypted by adding a DRM KEY file to a 4D code corresponding to a predetermined content, or a 4D code or attraction decrypted by adding a DRM license file and a DRM information file to an attraction code. It provides a mechanism to drive code in sync with its content.
Accordingly, embodiments of the present invention can increase the profits of the operator by limiting and protecting the use rights for the indiscreet 4D code or attraction code.

Description

MANAGEMENT SYSTEM AND METHOD RELATED TO 4D AND ATTRACTION CODE FOR LIMITING AUTHORITY OF USE}

Various embodiments of the present invention relate to systems and methods for restricting usage rights of additional software with respect to content.

Recently, with the diversification of movie contents, screening facilities, which are spaces for viewing them, are also greatly developed. In particular, the operators operating many screening facilities are increasing the number of 4D screening facilities with physical effects, or attraction screening facilities for maximizing motion and environmental effects.

However, in the past, when an encrypted digital cinema package was distributed from a video content distributor and screened, it is illegal to use a 4D code or an attraction code (period of use) for providing 4D and / or motion effects to the audience. There are many cases that increase the use of lawfully, ultimately there is a problem that the movie software is not properly protected.

Korean Patent Publication No. 1204-0001364, Publication Date: January 07, 1204, Title of the Invention: Encryption / decryption method using a symmetric key in a digital rights management system. Korean Patent Publication No. 2013-0031813, Publication Date: March 29, 2013, Title of the Invention: Method and system for providing digital contents.

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention has been made in an effort to provide a 4D code management system and method for restricting the use of unauthorized and indiscriminate 4D code.

It is another object of the present invention to provide an attraction code management system and method for restricting the use of unauthorized and indiscriminate attraction code.

In order to achieve the above-described various objects, an embodiment of the present invention generates a 4D code corresponding to a predetermined content, and includes a digital rights management key (DRM) that includes theater information and screening period information in the generated 4D code. A 4D code server that adds and encrypts a file and distributes the encrypted 4D code; And a screening server that receives and decrypts the encrypted 4D code through a communication network, and synchronizes with the content corresponding to the decrypted 4D code to drive 4D content.

The 4D code server may encrypt the screen so that the 4D code is not driven in the screening server when the screening information and the screening period information do not match.

The auditorium information may include at least one of a theater brand, a theater point, and a theater name, and the screening period information may include at least one of a screening start date, a screening end date, and an effective screening period.

The DRM KEY file includes a UUID (Universally Unique Identifier), a file creation date, a corresponding 4D code naming, a 4D code initial registration date, a 4D code last end date, a total validity period, a cumulative nonuse time, a cumulative use time, and a last update time. It may further include at least one of.

In this case, the screening server may verify the validity of the DRM KEY file by checking the actual remaining valid time of Equation (1) below.

Actual remaining valid time = The total valid time-The cumulative use time-The cumulative non-use time .... Equation (1)

In this case, the validity verification process may be performed at least one of the first execution of the DRM KEY file or at every driving of the corresponding 4D code.

In addition, an embodiment of the present invention for achieving the above-described various objects is a 4D code management method in a 4D code management system, comprising: generating a 4D code corresponding to a predetermined content; Adding and encrypting a Digital Rights Management (DRM) KEY file including theater information and screening period information to the generated 4D code; Distributing the encrypted 4D code to a screening server; Decrypting the distributed, encrypted 4D code; And driving 4D content by synchronizing with content corresponding to the decoded 4D code.

In addition, an embodiment of the present invention, in order to achieve the above-mentioned various objects, generates an attraction code corresponding to a predetermined content, and the DRM license file and DRM license file including theater information and screening period information in the generated attraction code. An attraction code server that adds and encrypts an information file and distributes the encrypted attraction code; And a screening server that receives and decrypts the encrypted attraction code through a communication network, and synchronizes with the content corresponding to the decrypted attraction code to drive the attraction content.

Here, the attraction code server encrypts the attraction code so that the attraction code is not driven when the theater information and the screening period information do not match.

The theater information may include at least one information of a brand of a theater, a theater point, and a theater name. The screening period information may include at least one of a screening start date, a screening end date, and a valid screening period.

The DRM license file may further include at least one of a universally unique identifier (UUID), a file creation date and time, a file end date, a number of times and a time information of updating the DRM information file, and the attraction information is included in the attraction. If the total valid time for using the code, the number of updates of the DRM license file, the number of updates of the DRM license file and the number of updates of the DRM license file and the DRM authentication information are different, the DRM license file or the DRM proof information The information may include at least one of changed information, cumulative usage time of the attraction code, total valid time, update time, end time, and update information of the DRM information file.

The screening server may verify the validity of the DRM license file or the DRM information file by checking the actual remaining valid time of Equation (3) below.

Actual remaining valid time = The total valid time-The cumulative use time-The cumulative non-use time .... Equation (3)

In this case, the validity verification process may be performed when at least one of the first execution of the DRM license file or the DRM information file or each driving of the attraction code.

In addition, an embodiment of the present invention for achieving the above-described various objects, the attraction code management method in the attraction code management system, comprising: generating an attraction code corresponding to a predetermined content; Adding and encrypting a DRM license file and a DRM information file including theater information and screening period information to the generated attraction code; Distributing the encrypted attraction code to a screening server; Decrypting the distributed, encrypted attraction code; And driving attraction content by synchronizing with content corresponding to the decoded attraction code.

At this time, the step of encrypting, if the theater information and the screening period information does not match, characterized in that the screening server is encrypted so that the attraction code is not driven.

As described above, various embodiments of the present invention can provide the following advantageous advantages through the 4D code management system or the attraction code management system.

First, according to the present invention, the 4D code is encrypted so that the corresponding 4D code is not driven depending on whether the theater information and the screening period information of the DRM KEY file added to the 4D code are protected. There is an effect to increase.

Second, the present invention encrypts the attraction code according to whether the theater information and the screening period information of the DRM license file added to the attraction code are encrypted, thereby protecting (restricting) the use rights of the attraction code so that the profit of the attraction provider can be obtained. There is an effect to increase.

Third, the present invention is to receive 4D code or attraction code for a fee or to control the movie screening system upon expiration of the usage period, so that 4D or attraction operators can additionally use the 4D or attraction code by paying an additional fee to the attraction seller. It is effective.

Fourth, according to the present invention, due to the limitation of the use of the above-mentioned 4D code or attraction code for each operator, when a contract between the seller and the operator is established for N additional movie software related to the movie contents, the operator uses the number of sites in excess. It has the effect of blocking.

For example, if the 4D code or attraction code does not have security technology such as DRM, the operator is contracted to use it only at their A site (offline site), but the 4D code or attraction code is transferred to another B site (offline site). Can be prevented from showing on site B.

In addition, operators can share 4D codes or attraction codes with each other without permission, thereby preventing other operators from using unauthorized 4D codes or attraction codes for the movie software.

Fifthly, the present invention may restrict the screening of unreasonable 4D code or attraction code and restrict the screening of non-negotiated movie software, and may not screen the 4D code or attraction code whose expiration date has expired. You must proceed with the reuse request. Therefore, the seller can prevent the unauthorized use of the code and at the same time have the effect of obtaining revenue from the additional use of content, 4D code or attraction code.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned above may be clearly understood by those skilled in the art from the following description.

1 is a configuration diagram schematically showing the configuration of a 4D code management system according to an embodiment of the present invention.
2 is a flowchart schematically illustrating a 4D code management method according to an embodiment of the present invention.
3 is a block diagram schematically showing the configuration of the attraction code management system according to an embodiment of the present invention.
4 is a flowchart schematically illustrating an attraction code management method according to an embodiment of the present invention.

4D content disclosed in the description and claims of the following embodiments may mean a state in which the 4D code and the corresponding content are synchronized, and the attraction content may mean a state in which the attraction code and the corresponding content are synchronized. The content mentioned will be described as being limited to movie content, but is not limited thereto.

In addition, the mentioned 4D code refers to the software program code for reproducing the 4D effect when the movie content is shown in the theater, and the attraction code mentioned should be understood to refer to the software program code for reproducing the motion and environmental effects. do.

Hereinafter, a system and methods for restricting a use right will be described in more detail with reference to the accompanying drawings.

1 is a configuration diagram schematically showing the configuration of a 4D code management system according to an embodiment of the present invention.

Referring to FIG. 1, a 4D code management system according to an embodiment of the present invention may include a digital cinema distribution server 110, a 4D code server 120, a screening server 130, and a screening system 140.

First, the digital cinema distribution server 110 is a server operated and managed by a video content distribution company. The digital cinema distribution server 110 produces a digital cinema package and encrypts the data using, for example, AES (Advanced Encryption Standard) encryption technology. The digital cinema package can be transmitted to the screening server 130 which is a screening operation entity through a communication network. In this case, the digital cinema package may refer to data including 4D movie content or 4D movie content and files related thereto.

The mentioned communication network may be configured without regard to its communication aspects such as wired and wireless, and for example, the communication network may be any one of a wired communication network, a mobile communication network, an internet network, and an IoT network.

The 4D code server 120 is a server operated and managed by a seller of 4D codes. The 4D code server 120 may generate 4D codes related to corresponding 4D movie contents, for example, 4D generated using an advanced encryption standard (AES) encryption technology. You can encrypt the code.

Preferably, the 4D code server 120 may further generate a Digital Rights Management (DRM) KEY file including theater information and screening duration information, for example, a DRM generated using an Advanced Encryption Standard (AES) encryption technique. You can encrypt the KEY file by adding it to the 4D code.

In this case, the theater information may include at least one information of a brand of a theater, a theater point, a theater name, and the screening period information may include at least one of a screening start date, a screening end date, and an effective screening period. Such information may be data required for encryption verification, but is not limited thereto.

For example, the 4D code server 120 according to the present invention, if the theater information and the screening period information does not match the previously stored information, so that the 4D code is not driven in the screening server 130 to be described later You can encrypt the DRM KEY file by adding it to the 4D code.

Here, the aforementioned DRM KEY file may have the same file name as the motion file name of the 4D code, but may have an extension of 'exp' differently from the motion file name, and the format of the DRM KEY file may be, for example, ini file format or xml file format. It may be implemented in any one form, and may be used as data for verifying usage rights restrictions and usage period restrictions on 4D codes.

However, the DRM KEY file is not limited to the purpose of verifying the above-described usage right restriction and usage period limitation. The usage limit may include validation.

For example, a DRM KEY file may be created for the first time associated with a Universally Unique Identifier (UUID) having a MAC address, a motion code naming pointed to by the DRM KEY file, a DRM KEY file, and / or a 4D code to limit the usage period of the 4D code. The method may further include at least one of a date and time, an initial registration date and time, a last date and time, a total available time, a cumulative non-use time, a cumulative use time, and a last update time.

The mentioned MAC is an address given to the LAN card, which stands for Media access control and can be composed of 12 digits and 16 bits as a unique number of all devices.The UUID mentioned above is added to the DRM KEY file by adding a date and a fixed value after bitwise operation May be indicated.

Accordingly, the 4D code server 120 adds the DRM (Digital Rights Management) KEY file including the theater information and the screening period information to the 4D code, and encrypts the result of the screening server 130 which is the operation facility of the video facility through the communication network. Can be distributed (sent). In this case, the distribution may be automatic distribution, or may be distribution upon request of the screening server 130.

In one embodiment, the screening server 130 may receive the movie content of the encrypted digital cinema package from the aforementioned digital cinema distribution server 110 through a communication network.

The screening server 130 may receive a 4D code encrypted by adding a DRM KEY file from the aforementioned 4D code server 120 through a communication network and decrypt the encrypted 4D code using, for example, KDM technology. . When the encrypted 4D code is decrypted, it can be divided into a DRM KEY file and a pure 4D code.

Furthermore, the screening server 130 may drive 4D content by synchronizing the decoded 4D code with movie content corresponding thereto. In this case, the 4D content may indicate a state in which the decoded 4D code and the corresponding movie content are synchronized. The screening server 130 may drive the synchronized 4D content by itself, or may be loaded and driven by the screening system 140.

In this case, the screening system 140 is preferably a movie theater system 141 for screening a movie, but is not limited thereto. The terminal device 142 may be provided by a general user who purchases 4D content provided by the screening server 130. )

For example, when the screening system 140 is the movie theater system 141, the movie theater system 141 may further include a 4D / motion execution device and a 4D / motion effect control device. The 4D execution device includes a 4D platform that provides light, mist spray, and wind, a display unit on which 4D content is displayed, a sensation unit whose position changes according to each scene of the 4D content, and a viewer can sit up and down, 4D chairs that move left and right, back and forth, or rotate in the direction of pitching, rolling, yawing, water jet actuators that inject water vapor or snow to the viewer, wind jet actuators that blow wind to the viewer, and It may include a fragrance injection actuator and the like for injecting fragrance to the viewer.

On the other hand, the mentioned 4D effect control device is a chair control unit for controlling the driving of the 4D chair according to the scene of the 4D content and the water jet control unit for controlling the water injection of the water jet actuator in accordance with the scene of the 4D content, and the wind It may include a wind blowing control unit for controlling the wind injection of the injection actuator and a fragrance injection control unit for controlling the fragrance injection of the fragrance injection actuator.

In particular, the screening server 130 according to the present invention can verify the validity of the DRM KEY file in various forms in order to check whether the 4D code usage period has expired when driving the 4D code of the synchronized 4D content. .

For example, the screening server 130 may verify the validity of the DRM KEY file through an algorithm for calculating the actual remaining valid time of Equation (1) below. In this case, the validity verification process may be performed at least one of the first execution of the DRM KEY file or every driving of the corresponding 4D code.

Actual remaining valid time = Total valid time-Cumulative usage time-Cumulative non-use time ... Equation (1)

Here, the total valid time of Equation (1) indicates the total driving time available for the 4D code, and the accumulated usage time is the accumulated time of the 4D code driving time, which may be performed at the first execution of the DRM KEY file, or It can be obtained for every driving of the 4D code, and the driving time can mean the time from the start time to the end of the driving of the 4D code.

On the other hand, in Equation (1), the cumulative non-use time is the accumulated time of the non-driving time of the 4D code, and the non-driving time may mean from the time when the driving of the 4D code stops to the time when the driving of the 4D code starts. have.

As such, the cumulative usage time, driving time, and cumulative non-use time may be performed at the first execution of the DRM KEY file, or may be obtained at every driving of the corresponding 4D code, thereby updating the corresponding information in the DRM KEY file. have.

Accordingly, the screening server 130 according to the present invention checks the actual remaining valid time recorded in the DRM KEY file by Equation (1) above, and if it is ZERO, the expiration date for the 4D code is no longer present. If the 4D code is not available, the operator can be notified, and if the actual remaining time is not ZERO, 4D content including the 4D code will continue to be used.

2 is a flowchart schematically illustrating a 4D code management method according to an embodiment of the present invention.

Referring to FIG. 2, the 4D code management method according to the present invention may include steps 210 to 260 performed by the 4D code server 120 and the screening server 130 of the 4D code management system described above.

First, in step 210, the 4D code server 120 may generate a 4D code corresponding to predetermined content, for example, movie content, and generate a DRM (Digital Rights Management) KEY file.

In step 220, the 4D code server 120 encrypts by adding a Digital Rights Management (DRM) KEY file including the theater information and the screening period information to the 4D code generated by using, for example, an Advanced Encryption Standard (AES) encryption technology. You can.

In this case, the theater information and the screening period information may be data required for encryption verification, but are not limited thereto.

For example, the 4D code server 120 adds a DRM KEY file to the 4D code so that the 4D code is not driven in the screening server 130 when the theater information and the screening period information do not match the previously stored corresponding information. Can be encrypted.

In operation 230, the 4D code server 120 may distribute the encrypted 4D code to the screening server 130 through a communication network.

In operation 240, the screening server 130 receives movie content related to the 4D code from the digital cinema distribution server 110, receives an encrypted 4D code from the 4D code server 120, and selects the encrypted 4D code. It can be decrypted using AES (Advanced Encryption Standard) encryption technology. When the encrypted 4D code is decrypted, it can be separated into a DRM KEY file and a pure 4D code.

In operation 250, the screening server 130 may generate 4D content in synchronization with the decoded 4D code and the corresponding content, for example, the movie content, and drive the generated 4D content. In this case, driving of the 4D content may be driving performed by the screening server 130 or driving performed by the screening system 140 managed by the screening server 130.

In operation 260, the screening server 130 may verify the validity of the DRM KEY file in various forms in order to confirm whether the usage period of the 4D code expires when the 4D code of the synchronized 4D content is driven.

For example, the screening server 130 may verify the validity of the DRM KEY file through an algorithm for calculating the actual remaining valid time of Equation (2) below. In this case, the validity verification process may be performed at least one of the first execution of the DRM KEY file or every driving of the corresponding 4D code.

Actual remaining valid time = Total valid time-Cumulative usage time-Cumulative non-use time ... Equation (2)

Since each factor in Equation (2) has been sufficiently described above in FIG. 1, the description thereof will be omitted.

Accordingly, the screening server 130 according to the present invention may complete validation of the DRM KEY file by checking the actual remaining valid time recorded in the DRM KEY file by Equation (2).

For example, if the validation result shows that the actual remaining valid time is ZERO, the 4D code can no longer be used because the expiration date for the 4D code has expired, and the operator can be notified and the actual remaining valid time is ZERO. Otherwise, you can continue to use (drive) 4D content, including 4D code.

3 is a block diagram schematically showing the configuration of the attraction code management system according to an embodiment of the present invention.

Referring to FIG. 3, the attraction code management system according to the embodiment of the present invention may include a digital cinema distribution server 310, an attraction code server 320, a screening server 330, and a screening system 340.

First, the digital cinema distribution server 310 is a server operated and managed by a video content distribution company. The digital cinema distribution server 310 generates a digital cinema package and encrypts the data using, for example, AES (Advanced Encryption Standard) encryption technology. The digital cinema package can be transmitted to the screening server 330 which is a screening operation entity through a communication network. In this case, the digital cinema package may mean data including attraction movie content or attraction movie content and files related thereto.

The mentioned communication network may be configured without regard to its communication aspects such as wired and wireless, and for example, the communication network may be any one of a wired communication network, a mobile communication network, an internet network, and an IoT network.

The attraction code server 320 is a server operated and managed by the seller of the attraction code. The attraction code server 320 may generate the attraction code associated with the attraction movie content, for example, an attraction generated by using an advanced encryption standard (AES) encryption technology. You can encrypt the code.

Preferably, the attraction code server 320 may further generate a DRM license file and a DRM information file including the theater information and the screening period information, for example, a DRM license generated using an Advanced Encryption Standard (AES) encryption technology. Files can be encrypted by adding a DRM license file and a DRM information file to the attraction code.

In this case, the theater information may include at least one information of a brand of a theater, a theater point, a theater name, and the screening period information may include at least one of a screening start date, a screening end date, and an effective screening period. Such information may be data required for encryption verification, but is not limited thereto.

For example, the attraction code server 320 according to the present invention does not operate the attraction code in the screening server 330 to be described later when the theater information and the screening period information do not match the previously stored corresponding information. You can encrypt the DRM license file and DRM information file by adding it to the attraction code.

 In this case, the DRM license file or / and the DRM information file may be used as data for verifying usage right restrictions and usage period restrictions on the attraction code.

However, the DRM license file and / or the DRM information file is not limited to the purpose of verifying the above-mentioned usage right restriction and usage period limitation. The usage limit may include validation.

The DRM license file is located in the same folder when the attraction code is executed in order to verify the usage right restriction and the usage period limitation of the attraction code, and the file extension may be at least one of 'lic' format, file ini file format, or xml file format. The method may further include, but is not limited to, at least one of a universally unique identifier (UUID), a file initial creation date, a file use end date, and a number and time information of updating the DRM information file.

On the other hand, the mentioned DRM information file includes the total effective time for using the attraction code, the number of renewal of the DRM license file, the number of renewal of the DRM license file, and the DRM license to verify the usage right restriction and the usage period limitation of the attraction code. If the file and DRM credential information are updated differently, it can include information that the DRM license file or DRM credential information has changed, the cumulative usage time of the attraction code, the total valid time, the renewal time and end time of the DRM information file, and the update information. , But not necessarily limited thereto.

In one embodiment, the screening server 330 may receive movie content of an encrypted digital cinema package from the aforementioned digital cinema distribution server 310 through a communication network by request distribution automatically.

In addition, the screening server 330 may receive the attraction code encrypted by adding the DRM license file and the DRM information file from the aforementioned attraction code server 320 by request distribution through the communication network. The attraction code can be decrypted using KDM technology, for example. When the encrypted attraction code is decrypted, it may be divided into a DRM license file, a DRM information file, and a pure attraction code.

In addition, the screening server 330 may drive the attraction content by synchronizing the decoded 4D code with movie content corresponding thereto. At this time, the attraction content may indicate a state in which the decoded attraction code and the corresponding movie content are synchronized. The screening server 330 may drive the synchronized attraction contents by itself or may be loaded and driven by the screening system 340.

In this case, the screening system 340 may include, but is not limited to, a movie theater system 341 and a user terminal device 342 for displaying a movie, and the movie theater system 341 is fully described with reference to FIG. 1. Since the description thereof will be omitted.

In particular, the screening server 330 according to the present invention validates the validity of the DRM license file or the DRM information file in various forms in order to check whether the usage period of the attraction code expires when the attraction code of the synchronized attraction content is driven. Can be verified

For example, the screening server 330 may verify the validity of the DRM license file or the DRM information file through an algorithm for calculating the actual remaining valid time of Equation 3 below. In this case, the validity verification process may be performed when at least one of the first execution of the DRM license file or the DRM information file or every driving of the corresponding 4D code.

Actual remaining valid time = Total valid time-Cumulative usage time-Cumulative non-use time ... Equation (3)

Here, the total valid time of equation (3) indicates the total driving time available for the attraction code, and the accumulated usage time is the accumulated time of the attraction code driving time, which is to be performed at the first execution of the DRM license file or the DRM information file. The driving time may mean a time from the start time to the end of the driving of the attraction code.

On the other hand, in Equation (3), the cumulative non-use time may be accumulated time of the non-drive time of the attraction code, and the non-drive time may mean the time from the end of the driving of the attraction code to the start time.

As such, the cumulative usage time, running time, cumulative non-use time, etc. are performed at the first execution of the DRM license file or DRM information file, or are obtained at every run of the attraction code, and based on the DRM license file or DRM information. You can update this information in a file.

Accordingly, the screening server 330 according to the present invention checks the actual remaining valid time recorded in the DRM license file or the DRM information file according to Equation (3) above, and if it is ZERO, the expiration date for the attraction code is expired. As a result, the attraction code can no longer be used, the attraction code can no longer be used, the operator can be notified of this, and if the actual remaining valid time is not ZERO, they will continue to use the attraction content, including the attraction code. Could be.

4 is a flowchart schematically illustrating an attraction code management method according to an embodiment of the present invention.

Referring to FIG. 4, the attraction code management method according to the present invention may include steps 410 to 460 performed by the attraction code server 320 and the screening server 330 of the attraction code management system described above.

First, in step 410, the attraction code server 320 generates an attraction code corresponding to predetermined content, for example, movie content, and includes a DRM license file and a DRM information file including theater information and screening period information. (DRM Information file) can be created.

At step 420, the attraction code server 320 encrypts by adding the DRM license file and the DRM information file including the theater information and the screening period information to the attraction code generated using, for example, Advanced Encryption Standard (AES) encryption technology. Can be.

In this case, the theater information and the screening period information may be data required for encryption verification, but are not limited thereto.

For example, if the theater code information and the screening period information do not match the previously stored information, the attraction code server 320 generates a DRM license file and a DRM information file so that the attraction code is not driven in the screening server 330. It can be encrypted in addition to the attraction code.

In operation 430, the attraction code server 320 may distribute the encrypted attraction code to the screening server 330 through a communication network.

In operation 440, the screening server 330 receives movie content related to the attraction code from the digital cinema distribution server 310, receives an encrypted attraction code from the attraction code server 320, and uses the encrypted attraction code as an example. It can be decrypted using AES (Advanced Encryption Standard) encryption technology.

When the encrypted attraction code is decrypted, it can be separated into a DRM license file, a DRM information file, and a pure attraction code.

In operation 450, the screening server 130 may generate attraction content in synchronization with the decoded attraction code and the corresponding content, for example, the movie content, and drive the generated attraction content. In this case, the attraction content may be driven by the screening server 330 or may be driven by the screening system 340 managed by the screening server 330.

In operation 460, the screening server 330 may check the DRM license file or the DRM information file in various forms in order to check whether the usage rights and the period of use of the attraction code have expired when the attraction code of the synchronized attraction content is driven. You can validate it.

For example, the screening server 330 may verify the validity of the DRM license file or the DRM information file through an algorithm for calculating the actual remaining valid time of Equation 4 below. In this case, the validity verification process may be performed at the first execution of the DRM license file or the DRM information file or at least one of every driving of the attraction code.

Actual remaining valid time = Total valid time-Cumulative usage time-Cumulative non-use time ... Equation (4)

Since each factor in Equation (4) has been sufficiently described above in FIG. 3, the description thereof will be omitted.

Accordingly, the screening server 330 according to the present invention checks the actual remaining valid time recorded in the DRM license file or the DRM information file by the above equation (4), thereby validating the DRM license file or the DRM information file. You will be able to complete it.

For example, if the validation result shows that the actual remaining valid time is ZERO, the expiration date for the attraction code has expired and the attraction code can no longer be used and the operator can be notified and the actual remaining valid time is ZERO. Otherwise, you can continue to use the attraction content, including the attraction code.

The 4D code and attraction code management method described above may be implemented in the form of program instructions that can be executed by various computer components and recorded in a computer readable medium.

The computer readable medium mentioned may be any medium accessible by the processor. Such media may include both volatile and nonvolatile media, removable and non-removable media, storage media and computer storage media, and the program instructions recorded on the computer readable recording media are those specially designed and constructed for the present invention, or It may be known and available to those skilled in the computer software arts.

Although the present invention has been described as described above, those skilled in the art will recognize that the present invention may be implemented in other forms while maintaining the technical spirit and essential features of the present invention. .

Therefore, the embodiments described above are merely exemplary and are not intended to limit the scope of the present invention only to the above embodiments. In addition, the flowcharts shown in the drawings are merely exemplary in order to obtain the most desirable results in practicing the present invention, of course, other steps may be added or some steps may be deleted.

While the scope of the present invention will be defined by the claims, any changes or modifications derived from a configuration directly derived from the claims description as well as equivalent configurations are also included in the scope of the present invention. Should be interpreted as.

110310: Digital Cinema Distribution Server 120: 4D Code Server
130,330: Screening Server 140,340: Screening System
141,341: movie theater system 142,342; Terminal equipment
320: Attraction code server

Claims (20)

4D for generating a 4D code corresponding to a predetermined content, adding and encrypting a Digital Rights Management (DRM) KEY file including theater information and screening period information to the generated 4D code, and distributing the encrypted 4D code. Code server; And
And a screening server receiving and decrypting the encrypted 4D code through a communication network, and synchronizing with content corresponding to the decrypted 4D code to drive 4D content.
The 4D code server,
In the 4D code management system, if the screening information and the screening period information included in the decrypted DRM KEY file does not match, the screening server encrypts the decrypted 4D code itself does not run,
The DRM KEY file,
Further comprising the total validity period, cumulative usage time and cumulative non-use time of the 4D code,
The screening server,
Verifying the validity of the DRM KEY file by checking the actual remaining valid time of the 4D code calculated by using the total validity period, cumulative usage time, and cumulative non-use time of the 4D code at the first execution of the DRM KEY file,
4D code management system. The method of claim 1,
The theater information includes at least one of a theater brand, a theater branch, and a theater name.
The screening period information includes at least one of a screening start date, screening end date, and valid screening period. The method of claim 1,
The DRM KEY file,
And at least one or more of a universally unique identifier (UUID), a file initial creation date, a corresponding 4D code naming, a 4D code initial registration date, a 4D code last end date, and a last update time. The method of claim 1,
The screening server,
4D code management system, characterized in that to calculate the actual remaining valid time of the 4D code according to the following equation (1).
Actual remaining valid time of 4D code = Total valid time of 4D code-Cumulative usage time of 4D code-Cumulative non-use time of 4D code .... Equation (1) The method of claim 1,
And the validation is additionally performed at every driving of the decoded 4D code. As a 4D code management method in a 4D code management system,
Generating a 4D code corresponding to predetermined content;
Adding and encrypting a Digital Rights Management (DRM) KEY file including theater information and screening period information to the generated 4D code;
Distributing the encrypted 4D code to a screening server;
Decrypting the distributed, encrypted 4D code; And
Driving 4D content by synchronizing with content corresponding to the decoded 4D code;
The encrypting step,
In the 4D code management method, if the decrypted DRM KEY file included in the theater information and the screening period information does not match, the decrypted 4D code itself is not driven in the screening server,
The DRM KEY file,
Further comprising the total validity period, cumulative usage time and cumulative non-use time of the 4D code,
Validating the DRM KEY file by checking the actual remaining valid time of the 4D code calculated using the total validity period, cumulative usage time, and cumulative non-use time of the 4D code at the first execution of the DRM KEY file; ;
Further comprising,
How to manage 4D code. The method of claim 6,
The theater information includes at least one of a theater brand, a theater branch, and a theater name.
The screening period information includes at least one of a screening start date, a screening end date, and an effective screening period. The method of claim 6,
The DRM KEY file,
And at least one or more of a universally unique identifier (UUID), a file initial generation date, a corresponding 4D code naming, a 4D code initial registration date, a 4D code last end date, and a last update time. The method of claim 6,
4D code management method characterized in that to calculate the actual remaining valid time of the 4D code according to the following equation (2).
Actual remaining valid time of 4D code = Total valid time of 4D code-Cumulative usage time of 4D code-Cumulative non-use time of 4D code .... Equation (2) The method of claim 6,
Validation of the above,
4D code management method, characterized in that additionally performed at every drive of the decoded 4D code. An attraction code that generates an attraction code corresponding to a predetermined content, adds and encrypts a DRM license file and a DRM information file including theater information and screening period information to the generated attraction code, and distributes the encrypted attraction code. server; And
And a screening server configured to receive and decrypt the encrypted attraction code through a communication network, and to drive the attraction content by synchronizing with the content corresponding to the decrypted attraction code.
The attraction code server,
The attraction code management system, if the decrypted attraction code itself is encrypted so that the decrypted attraction code itself is not driven when the theater information and the screening period information included in the decrypted DRM license file and the DRM information file do not match. To
The DRM information file,
Further including the total validity period, cumulative usage time, and cumulative non-use time of the attraction code,
The screening server,
When the DRM license file or the DRM information file is initially executed, the DRM license file or the DRM license file or the DRM license file may be obtained by checking the actual remaining valid time of the attraction code calculated using the total validity period, the accumulated usage time, and the accumulated non-use time of the attraction code. To validate the DRM information file,
Attraction code management system. The method of claim 11,
The theater information includes at least one of a theater brand, a theater branch, and a theater name.
And the screening period information includes at least one of a screening start date, a screening end date, and a valid screening period. The method of claim 11,
The DRM license file is
And at least one of a universally unique identifier (UUID), a file creation date and time, a file use end date, and a number and time information of updating the DRM information file,
The DRM information file,
If the total valid time for using the attraction code, the number of updates of the DRM license file, the number of updates of the DRM license file, and the number of updates of the DRM license file and the DRM proof information are different, the DRM license file or DRM proof information is different. The attraction code management system, characterized in that it further comprises at least one information of the changed information, the end time and the update information. The method of claim 11,
The screening server,
An attraction code management system comprising calculating the actual remaining valid time of the attraction code according to Equation (3) below.
Actual remaining valid time of attraction code = Total valid time of attraction code-Cumulative usage time of attraction code-Cumulative ratio usage time of attraction code .... Equation (3) The method of claim 11,
Validation of the above,
Attraction code management system, characterized in that additionally performed at every drive of the attraction code. As an attraction code management method in an attraction code management system,
Generating an attraction code corresponding to the predetermined content;
Adding and encrypting a DRM license file and a DRM information file including theater information and screening period information to the generated attraction code;
Distributing the encrypted attraction code to a screening server;
Decrypting the distributed, encrypted attraction code; And
Driving attraction content by synchronizing with content corresponding to the decoded attraction code;
The encrypting step,
If the theater information and the screening period information included in the decrypted DRM license file and the DRM information file do not coincide with each other, the attraction server encrypts the decrypted attraction code itself so as not to be driven. To
The DRM information file,
Further including the total validity period, cumulative usage time, and cumulative non-use time of the attraction code,
When the DRM license file or the DRM information file is first executed, the DRM license file or the DRM license file or the DRM license file may be obtained by checking the actual remaining valid time of the attraction code calculated using the total validity period, the accumulated usage time, and the accumulated non-use time of the attraction code. Validating the DRM information file;
Further comprising,
How to manage attraction code. The method of claim 16,
The theater information includes at least one of a theater brand, a theater branch, and a theater name.
The screening period information includes at least one of a screening start date, a screening end date, and a valid screening period. The method of claim 16,
The DRM license file is
At least one of a universally unique identifier (UUID), a file creation date and time, a file use end date, and a number and time information of updating the DRM information file,
The DRM information file,
If the total valid time for using the attraction code, the number of updates of the DRM license file, the number of updates of the DRM license file and the number of updates of the DRM license file and the DRM proof information are different, the DRM license file or the DRM proof information is different. At least one information of the changed information, the end time and the update information further comprises the attraction code management method. The method of claim 16,
An attraction code management method according to Equation (4) below, wherein the actual remaining valid time of the attraction code is calculated.
Actual remaining valid time of attraction code = Total valid time of attraction code-Cumulative usage time of attraction code-Cumulative ratio usage time of attraction code .... Equation (4) The method of claim 16,
The validation process,
Attraction code management method, characterized in that additionally performed at every driving of the attraction code.

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