WO2020080607A1

WO2020080607A1 - Content copyright protection apparatus and method

Info

Publication number: WO2020080607A1
Application number: PCT/KR2018/016933
Authority: WO
Inventors: 오유철; 김아현
Original assignee: 주식회사 산타
Priority date: 2018-10-19
Filing date: 2018-12-28
Publication date: 2020-04-23
Also published as: KR102170845B1; KR20200044588A

Abstract

Disclosed are a content copyright protection apparatus and method. The content copyright protection apparatus of the present invention comprises: an encryption unit for encrypting user information into a color code; a composition unit for composing the color code into an image; and a decryption unit for extracting the user information from the color code composed into the image.

Description

Content copyright protection device and method

The present invention relates to a content copyright protection device and method, and more specifically, by adding encrypted user information to an image, when the image is unauthorizedly copied and distributed by the user, the user is identified based on the user information included in the image. It relates to a content copyright protection device and method that can be tracked.

In general, since video content is provided to a user through a display such as a monitor, it cannot be completely prevented from being distributed after unauthorized copying by a user taking or recording a screen. Accordingly, in the past, a method of inhibiting unauthorized copying and distribution was used by displaying information that can identify a user, such as a user's ID, on the screen while providing video content.

Conventionally, since the user can know that the information specifying the user is displayed on the screen, there is a problem of removing and distributing the information after unauthorized copying. Therefore, there is a need to improve this.

Background art of the present invention is published in Republic of Korea Patent Publication No. 10-1888866 (2018.08.09 registration, the name of the invention: content distribution method and system through copyright protection).

The present invention was created to improve the problems as described above, and the object of the present invention is to add encrypted user information to an image, and if the image is unauthorizedly copied and distributed by the user, based on the user information included in the image. It is to provide a content copyright protection device and method for tracking a corresponding user.

The content copyright protection device according to the present invention includes an encryption unit for encrypting user information with a color code, a synthesis unit for synthesizing color codes into images, and a decoding unit for extracting user information from color codes synthesized in images. Is done.

In addition, the user information is characterized in that it includes at least one of the user's ID, email, IP address, telephone number, fax number, address, affiliation, social security number, driver's license number and card number.

In addition, the encryption unit is characterized in that it comprises a first encryption unit for encrypting the user information and converting it to an n-digit number, and a second encryption unit for receiving the n-number encrypted by the first encryption unit and matching the color code.

In addition, the n-digit is characterized in that it is any one of binary, octal, and hexadecimal.

Also, the encryption unit is characterized in that the user information is encrypted with one or more hexadecimal color codes.

Also, the synthesizer adds an encrypted color code to at least one of a frame of the image, a player controller of the image, a logo included in the image, a marker included in the image, a buffering display of the image, and a frame included in the image. do.

In addition, the decryption unit includes a first decryption unit that converts an encrypted color included in an image into a hexadecimal number by matching the hexadecimal color code, and a second decryption unit that decrypts a hexadecimal number obtained from the first decryption unit to obtain user information. It is characterized by including.

The content copyright protection method according to the present invention includes: an encryption step of encrypting user information with a color code by the encryption unit, an image synthesis step of synthesizing the color code encrypted by the synthesis unit into an image, and illegally copied by the decryption unit And a decryption step of extracting the encrypted color code from the image and converting it into user information.

In addition, the encryption step is a first encryption step that encrypts the user information by the first encryption unit and converts it into an n-digit number, and receives the n-number encoded in the first encryption step by the second encryption unit to match the color code. Characterized in that it comprises 2 encryption steps.

Also, in the encryption step, it is characterized in that the user information is encrypted with one or more hexadecimal color codes.

In addition, the image synthesizing step includes adding an encrypted color code to at least one of a frame of the image, a player controller of the image, a logo included in the image, a marker included in the image, a buffering display of the image, and a frame included in the image. It is characterized by.

In addition, in the decoding step, the first decoding step of converting the encrypted color included in the image by the first decoding unit into a hexadecimal number by matching the hexadecimal color code and the hexadecimal number obtained by the first decoding unit by the second decoding unit It characterized in that it comprises a second decryption step of obtaining the user information by decrypting the.

The content copyright protection device and method according to the present invention adds encrypted user information to a video, so when video content is unauthorizedly copied and distributed by a user, the user is tracked based on user information included in the video Copyright can be protected.

1 is a block diagram of a content copyright protection device according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a state in which an encryption unit according to an embodiment of the present invention encrypts user information ID with one hexadecimal color code.

FIG. 3 is a diagram illustrating a state in which an encryption unit according to an embodiment of the present invention encrypts an email, which is user information, with one hexadecimal color code.

4 is a diagram illustrating a state in which an encryption unit according to an embodiment of the present invention encrypts user information ID with one or more hexadecimal color codes.

5 is a diagram illustrating a state in which an encryption unit according to an embodiment of the present invention encrypts an email, which is user information, with one or more hexadecimal color codes.

FIG. 6 is a diagram illustrating an image in which a color encrypted with user information is added to a border by a synthesis unit according to an embodiment of the present invention.

7 is a diagram illustrating an image in which a color in which user information is encrypted by a synthesis unit according to an embodiment of the present invention is added to a player controller.

8 is a diagram illustrating an image in which a color in which user information is encrypted by a synthesis unit according to an embodiment of the present invention is added to a logo.

9 is a diagram illustrating an image in which a color in which user information is encrypted by a synthesizing unit according to an embodiment of the present invention is added to a buffering display.

FIG. 10 is a diagram illustrating an image in which a color in which user information is encrypted by a synthesis unit according to an embodiment of the present invention is added to a predefined marker.

11 is a diagram illustrating an image in which a color in which user information is encrypted by a synthesis unit according to an embodiment of the present invention is added to a predefined frame.

12 is a diagram illustrating a state of extracting user information ID from a border including a color encrypted by a decryption unit according to an embodiment of the present invention.

13 is a diagram illustrating a state in which user information is extracted from a player controller including a color encrypted by a decryption unit according to an embodiment of the present invention.

14 is a diagram illustrating a state in which user information is extracted from a logo including a color encrypted by a decryption unit according to an embodiment of the present invention.

15 is a diagram illustrating a state in which user information is extracted from a buffering display including a color encrypted by a decoding unit according to an embodiment of the present invention.

16 is a diagram illustrating a state of extracting user information from a marker including a color encrypted by a decryption unit according to an embodiment of the present invention.

17 is a diagram illustrating a state in which user information is extracted from a frame including a color encrypted by a decoding unit according to an embodiment of the present invention.

18 is a flowchart illustrating a content copyright protection method according to an embodiment of the present invention.

Hereinafter, a content copyright protection device and method according to an embodiment of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition of these terms should be made based on the contents throughout the present specification.

1 is a block diagram of a content copyright protection device 1 according to an embodiment of the present invention. As shown in FIG. 1, the content copyright protection device 1 according to an embodiment of the present invention combines an encryption unit 10 for encrypting user information with a color code and a color code for the image 40 And a decoding unit 30 for extracting user information from the color codes synthesized in the combining unit 20 and the image 40.

The encryption unit 10 is capable of various modifications within the technical idea of generating the encrypted color by matching the color code after encrypting the specified user information.

The user information is characterized by including at least one of a user's ID, email, IP address, telephone number, fax number, address, affiliation, social security number, driver's license number, and card number. In addition, the user information is not limited to the above, and it is needless to say that any information that can identify a user who has viewed or purchased the video 40 can be used as user information according to the present invention.

The encryption unit 10 according to an embodiment includes a first encryption unit 12 and a second encryption unit 14.

The first encryption unit 12 encrypts user information and converts it into n-digit numbers. As a method of encrypting user information, at least one of various types of encryption methods including an RSA encryption method may be used. The RSA encryption method uses a decimal number, expresses user information as two decimal numbers, and then sends the product of the two decimal numbers with a hint to use as a password.

Meanwhile, the n-digit number is one of binary, octal, and hexadecimal numbers, and an hexadecimal number will be described as an example in one embodiment of the present invention.

The second encryption unit 14 receives the encrypted n-digit number from the first encryption unit and matches the color code. Hexadecimal numbers are often used to specify the color of a computer display. One pixel is represented by three primary colors of red, green, and blue, and each of the three primary colors is represented by dividing it into a total of 256 by 1 byte (8 bits). Therefore, # FF0000 is pure red, and # 4169E1 is R = 41, G = 69, and B = E1.

In addition, two hexadecimal numbers that determine the transparency of the color may be added in front of the six-digit number that determines the color. In this case, the transparency of the encrypted color can be increased and easily added to the image 40.

The encryption unit 10 according to an embodiment is characterized in that the user information is encrypted with one or more hexadecimal color codes.

2 is a diagram showing a state in which the encryption unit according to an embodiment of the present invention encrypts the user information ID with one hexadecimal color code, and FIG. 3 shows the encryption unit according to an embodiment of the present invention. A diagram showing a state in which an email is encrypted with one hexadecimal color code, and FIG. 4 is a diagram showing a state in which an encryption unit according to an embodiment of the present invention encrypts user information ID with one or more hexadecimal color codes. 5 is a diagram illustrating a state in which an encryption unit according to an embodiment of the present invention encrypts an email, which is user information, with one or more hexadecimal color codes.

As shown in FIG. 2, user information that is an ID is converted into one hexadecimal color code by the encryption unit 10. Therefore, a color corresponding to the hexadecimal color code that encrypts the ID is added to the image 40 and provided to the user having the corresponding ID.

As illustrated in FIG. 3, user information using email is converted into one hexadecimal color code by the encryption unit 10. Therefore, a color corresponding to the hexadecimal color code that encrypts the email is added to the image 40 and provided to the user having the email.

As shown in FIG. 4, the user information that is the ID is converted into a plurality of hexadecimal color codes by the encryption unit 10. Accordingly, colors corresponding to a plurality of hexadecimal color codes with IDs added to the image 40 are provided to a user having the corresponding IDs.

As illustrated in FIG. 5, user information using email is converted into a plurality of hexadecimal color codes by the encryption unit 10. Accordingly, colors corresponding to a plurality of hexadecimal color codes for encrypting emails are added to the image 40 to be provided to a user having the corresponding emails.

The synthesizing unit 20 can perform various modifications within the technical idea of synthesizing the encrypted color code into the image 40. The synthesizing unit 20 according to an embodiment includes the frame 41 of the image 40, the player controller 42 of the image 40, the logo 43 included in the image 40, and the image 40. An encrypted color code is added to at least one of the included marker 45, the buffering display 44 of the image 40, and the frame 46 included in the image 40.

FIG. 6 is a diagram showing an image in which a color encrypted with user information is added to a border by the synthesis unit according to an embodiment of the present invention, and FIG. 7 is user information by the synthesis unit according to an embodiment of the present invention. 8 is a view showing an image in which the color encrypted with is added to the player controller, and FIG. 8 is a view showing an image in which the color in which user information is encrypted by the synthesis unit according to an embodiment of the present invention is added to the logo, FIG. 9 is a diagram showing an image in which a color in which user information is encrypted by a synthesizing unit according to an embodiment is added to a buffering display, and FIG. 10 is a user by the synthesizing unit according to an embodiment of the present invention. FIG. 11 is a diagram illustrating an image in which colors in which information is encrypted are added to a predefined marker, and FIG. 11 is a predefined color in which user information is encrypted by a synthesis unit according to an embodiment of the present invention. A diagram illustrating an image in addition to the frame.

As illustrated in FIG. 6, the color corresponding to the encrypted color code is added to the frame 41 of the image 40 by the synthesis unit 20. The encrypted color may be repeatedly added along the border 41, and the encrypted color may be added to a specific location such as an edge of the border 41. Alternatively, the synthesis unit 20 may add the encrypted color to the color forming the border 41 after adjusting the transparency of the encrypted color.

As illustrated in FIG. 7, a color in which user information is encrypted by the synthesizing unit 20 is added to the player controller 42. When viewing the video 40 through the Internet, the video 40 is set to be played only on a specific player, and an encrypted color is added to the controller of the corresponding player. The encrypted color can be added to all or a set position of the player controller 42. Also, the synthesizer 20 may add the encrypted color to the player's controller after adjusting the transparency of the encrypted color.

As illustrated in FIG. 8, a color in which user information is encrypted by the synthesizing unit 20 is added to the logo 43. Since the logo 43 is installed near the upper edge of the image 40 or located in a specific portion of the image 40, when an encrypted color is added to the logo 43, the user watching the image 40 It can be easily specified.

As illustrated in FIG. 9, a color in which user information is encrypted by the synthesizing unit 20 is added to the buffering display 44. Buffering may be set to be displayed at the beginning of the image 40, and buffering may be intentionally displayed in the middle of the image 40. To this buffering, colors encrypted with user information are added.

As shown in FIG. 10, a color in which user information is encrypted by the synthesizing unit 20 is added to the marker 45. The marker 45 is located within a range of a predefined location and size of the image 40, and can be disguised as a broadcaster logo 43 or a display related to a program.

As illustrated in FIG. 11, a color in which user information is encrypted by the synthesizing unit 20 is added to the predefined frame 46. Since the image 40 is made up of a plurality of frames 46, when an encrypted color is added to the set frame 46, the viewer does not recognize whether the encrypted color is included in the set frame 46.

Meanwhile, the synthesizer 20 may add the encrypted color to at least one of the logo 43, the buffering display 44, the marker 45, and the frame 46 after adjusting the transparency of the encrypted color.

As shown in FIG. 1, the decoder 30 extracts user information from the color code synthesized in the image 40, and various modifications are made within a technical idea to identify a user who illegally duplicates or distributes the image 40. It is possible. The decryption unit 30 decrypts the password from the encrypted color included in the image 40 to extract user information.

The decoding unit 30 according to an embodiment includes a first decoding unit 32 and a first decoding unit 32 for converting the encrypted color included in the image 40 to a hexadecimal number by matching the hexadecimal color code It includes a second decoding unit 34 to obtain the user information by decrypting the hexadecimal number obtained in.

The first decoding unit 32 displays the frame 41 of the image 40, the player controller 42 outputting the image 40, the logo 43 included in the image 40, and the buffering display of the image 40 (44), the hexadecimal number is extracted by matching the encrypted color included in the marker 45 provided in the image 40 and the frame 46 of the image 40 with the hexadecimal color code.

Then, the second decryption unit 34 decrypts the hexadecimal number to obtain the specified user information such as the user's ID, email, or IP address.

12 is a view showing a state of extracting the user information ID from the border including the color encrypted by the decryption unit according to an embodiment of the present invention, Figure 13 is a decryption unit according to an embodiment of the present invention FIG. 14 is a diagram illustrating a state in which user information is extracted from a player controller including a color encrypted by a user, and FIG. 14 is a state in which user information is extracted from a logo including a color encrypted by a decoder according to an embodiment of the present invention. 15 is a view showing a state in which user information is extracted from a buffering display including a color encrypted by a decryption unit according to an embodiment of the present invention, and FIG. 16 is a view showing an embodiment of the present invention. FIG. 17 is a diagram illustrating a state in which user information is extracted from a marker including a color encrypted by the decryption unit according to the present invention. In the frame, including the encrypted color by the decoding unit in accordance with a view showing a state of extracting the user information.

As illustrated in FIG. 12, the decryption unit 30 extracts user information ID from the border 41 of the image 40 including the encrypted color. The decoding unit 30 extracts the hexadecimal number by matching the encrypted color included in the border 41 with the hexadecimal color code. Then, it decrypts the hexadecimal number to obtain the user ID.

As illustrated in FIG. 13, the decryption unit 30 extracts user information ID from the player controller 42 including the encrypted color. The decoding unit 30 extracts the hexadecimal number by matching the encrypted color included in the player controller 42 with the hexadecimal color code. Then, it decrypts the hexadecimal number to obtain the user ID.

As illustrated in FIG. 14, the decryption unit 30 extracts user information ID from the logo 43 including the encrypted color. The decoder 30 extracts the hexadecimal number by matching the encrypted color of the logo 43 included in the image 40 with the hexadecimal color code. Then, it decrypts the hexadecimal number to obtain the user ID.

As shown in FIG. 15, the decryption unit 30 extracts user information such as an ID or an email from the buffering display 44 including the encrypted color. The decoding unit 30 extracts the hexadecimal number by matching the encrypted color included in the buffering display 44 with the hexadecimal color code. Then, it decrypts the hexadecimal number to obtain the user ID.

As shown in FIG. 16, the decryption unit 30 extracts the user information email from the marker 45 including the encrypted color. The decoding unit 30 extracts the hexadecimal number by matching the encrypted color in the marker 45 included in the image 40 with the hexadecimal color code. Then, it decrypts the hexadecimal number to obtain the user ID.

As shown in FIG. 17, the decryption unit 30 extracts user information such as an ID or an email from the frame 46 including the encrypted color. The decoder 30 extracts the hexadecimal number by matching the encrypted color included in the frame 46 with the hexadecimal color code. Then, it decrypts the hexadecimal number to obtain the user ID.

User information is user information specified such as a user's ID, email, IP address, telephone number, fax number, address, affiliation, social security number, driver's license number, and card number. You can find someone who has been pirated.

Hereinafter, a content copyright protection method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

18 is a flowchart illustrating a content copyright protection method according to an embodiment of the present invention. In the following description, portions overlapping with the descriptions of FIGS. 1 to 17 will be omitted.

1 and 18, the content copyright protection method according to an embodiment of the present invention has an encryption step of encrypting user information with a color code by the encryption unit 10 (S10).

In the encryption step, the first encryption step of encrypting the user information by the first encryption unit and converting it into an n-digit number and the n-coding number encrypted in the first encryption step by the second encryption unit are received to match the color code. Includes 2 encryption steps.

Through the encryption step, the user information is encrypted with one or more hexadecimal color codes. Therefore, the user information for purchasing or viewing the image 40 is encrypted with one or more hexadecimal color codes. Therefore, specific user information may be encrypted and converted into a single color or a plurality of color combinations.

Then, it has an image combining step of synthesizing the color code encrypted by the synthesizing unit 20 into the image 40. (S20) The image synthesizing step according to an embodiment includes a border 41 and an image of the image 40. The player controller 42 of 40, the logo 43 included in the image 40, the marker 45 included in the image 40, the buffering display 44 and the image 40 of the image 40 A specific color corresponding to the encrypted color code is added to at least one of the included frames 46.

And it has a decryption step of extracting the color code encrypted from the illegally copied image 40 by the decryption unit 30 and converting it into user information. (S30) The decryption step according to an embodiment of the first decryption unit ( 32) obtained from the first decoding unit 32 by the first decoding step and the second decoding unit 34 converting the encrypted color included in the image 40 to a hexadecimal number by matching the hexadecimal color code And a second decryption step of decrypting the hexadecimal number to obtain user information.

The decoding step includes a logo 43 included in the image 40, a marker 45 included in the image 40, a buffering display 44 of the image 40, and a frame 46 included in the image 40. After extracting the hexadecimal number by matching the hexadecimal color code with the encrypted color on the back, the hexadecimal code is decrypted to extract user information related to illegal copying.

Therefore, the content copyright protection device (1) and method according to the present invention are encrypted so that a user who wants to distribute the content after the video (40) content can not recognize that his or her information is included in the video (40). Through the method of adding user information to the video 40, unauthorized copying and distribution can be easily tracked.

As described above, according to the present invention, since the encrypted user information is added to the video 40, when the content of the video 40 is unauthorizedly copied and distributed by the user, the user information included in the video 40 is used. By tracking the user, you can protect the copyright.

The embodiment according to the present invention described above may be implemented in the form of a computer program that can be executed through various components on a computer, and such a computer program can be recorded on a computer-readable medium. At this time, the medium includes a hard disk, a magnetic medium such as a floppy disk and a magnetic tape, an optical recording medium such as a CD-ROM and DVD, a magneto-optical medium such as a floptical disk, and a ROM. , Hardware devices specially configured to store and execute program instructions, such as RAM, flash memory, and the like.

Meanwhile, the computer program may be specially designed and configured for the present invention or may be known and available to those skilled in the computer software field. Examples of computer programs may include machine language codes such as those produced by a compiler, as well as high-level language codes that can be executed by a computer using an interpreter or the like.

In addition, the present invention has been described with reference to the embodiment shown in the drawings, but this is only exemplary, and those skilled in the art to which the art belongs, various modifications and other equivalent embodiments are possible therefrom. Will understand. Therefore, the true technical protection scope of the present invention should be defined by the following claims.

Claims

An encryption unit that encrypts user information with a color code;

A synthesizer for synthesizing the color code into an image; And

And a decoding unit for extracting user information from the color code synthesized in the video.
According to claim 1,

The user information includes a user's ID, email, IP address, telephone number, fax number, address, affiliation, social security number, driver's license number, and card number.
According to claim 1, wherein the encryption unit,

A first encryption unit that encrypts the user information and converts it into an n-digit number; And

And a second encryption unit that receives the encrypted n-digit from the first encryption unit and matches it with the color code.
The method of claim 3,

The n-digit number is a binary, octal, hexadecimal content copyright protection device characterized in that any one.
According to claim 3, The encryption unit,

Content copyright protection device for encrypting the user information with one or more hexadecimal color code.
According to claim 1, The synthesis unit,

Adding the encrypted color code to at least one of the frame of the image, the player controller of the image, the logo included in the image, the marker included in the image, the buffering display of the image and the frame included in the image Content copyright protection device characterized in that.
According to claim 1, wherein the decoding unit,

A first decoding unit for converting the encrypted color included in the image into a hexadecimal number by matching a hexadecimal color code; And

And a second decryption unit for decrypting the hexadecimal number obtained from the first decryption unit to obtain the user information.
An encryption step of encrypting user information with a color code by an encryption unit;

An image synthesizing step of synthesizing the color codes encrypted by the synthesizing unit into an image; And

And a decryption step of extracting the color code encrypted from the illegally copied image and converting it into the user information by the decryption unit.
The method of claim 8, wherein the encryption step,

A first encryption step of encrypting the user information by a first encryption unit and converting the user information into an n-digit number; And

And a second encryption step of receiving the n-digit code encrypted in the first encryption step and matching the color code by the second encryption unit.
10. The method of claim 9, In the encryption step,

Content copyright protection method characterized in that the user information is encrypted with one or more hexadecimal color codes.
The method of claim 8, wherein the image synthesis step,

Adding the encrypted color code to at least one of the frame of the image, the player controller of the image, the logo included in the image, the marker included in the image, the buffering display of the image and the frame included in the image Content copyright protection method characterized in that.
The method of claim 8, wherein the decoding step,

A first decoding step of converting the encrypted color included in the image by the first decoding unit into a hexadecimal number by matching the hexadecimal color code; And

And a second decryption step of decrypting the hexadecimal password obtained from the first decryption unit by the second decryption unit to obtain the user information.