KR102170845B1 - Content copyright protection device and method thereof - Google Patents

Abstract

Disclosed is an apparatus and method for protecting copyright of contents. The content copyright protection apparatus of the present invention comprises: an encryption unit for encrypting user information with a color code, a synthesis unit for synthesizing the color code to an image, and a decoding unit for extracting user information from the color code synthesized on the image. do.

Description

Content copyright protection device and method {CONTENT COPYRIGHT PROTECTION DEVICE AND METHOD THEREOF}

The present invention relates to a content copyright protection apparatus and method, and more particularly, when a video is copied and distributed without permission by a user by adding encrypted user information to a video, the corresponding user is provided based on the user information included in the video. It relates to an apparatus and method for protecting copyright of content that can be traced.

In general, since video content is provided to a user through a display such as a monitor, it cannot be completely prevented from distributing after unauthorized copying by the user by photographing or recording a screen. Therefore, in the past, while providing video content, information that can identify a user, such as a user's ID, is displayed on a screen to prevent unauthorized copying and distribution.

Conventionally, since the user can see that information specifying himself/herself is displayed on the screen, there is a problem in that the information is removed and distributed after unauthorized copying. Therefore, there is a need to improve this.

The background technology of the present invention is published in Korean Registered Patent Publication No. 10-1888866 (registered on August 9, 2018, title of invention: Content distribution method and its system through copyright protection).

The present invention was created to improve the above problems, and an object of the present invention is to add encrypted user information to an image, and when the image is copied and distributed by the user without permission, based on user information included in the image. It is to provide a content copyright protection device and method capable of tracking a corresponding user.

The content copyright protection apparatus according to the present invention comprises: an encryption unit for encoding user information into a color code, a synthesis unit for synthesizing the color code into an image, and a decoding unit for extracting user information from the color code synthesized in the image. To do.

In addition, the user information is characterized by including at least one of the user's ID, email, IP address, phone number, fax number, address, affiliation, resident number, driver's license number, and card number.

In addition, the encryption unit may include a first encryption unit for encrypting user information and converting it to an n 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 number is characterized in that any one of a binary number, an octal number, and a hexadecimal number.

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

In addition, the synthesizing unit is characterized in that it adds an encoded 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 mark included in the image, the buffering display of the image, and the frame included in the image. do.

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

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

In addition, the encryption step includes a first encryption step of encrypting user information by a first encryption unit and converting it into n number, and a first encryption step of receiving the n number encrypted in the first encryption step by the second encryption unit and matching the color code. It characterized in that it includes two encryption steps.

In addition, in the encryption step, 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 the frame of the image, the player controller of the image, the logo included in the image, the mark included in the image, the buffering display of the image, and the frame included in the image. It is characterized.

In addition, the decoding step includes 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 the hexadecimal number obtained from the first decoding unit by the second decoding unit. It characterized in that it comprises a second decryption step of decrypting the password to obtain user information.

In the content copyright protection apparatus and method according to the present invention, since encrypted user information is added to a video, if the video content is copied and distributed without permission by a user, the user is tracked based on the user information included in the video. Copyright can be protected.

1 is a block diagram of a content copyright protection apparatus according to an embodiment of the present invention.
2 is a diagram illustrating a state in which an encryption unit encrypts an ID, which is user information, with a single hexadecimal color code according to an embodiment of the present invention.
3 is a diagram illustrating a state in which an encryption unit encrypts an e-mail, which is user information, with a single hexadecimal color code according to an embodiment of the present invention.
4 is a diagram illustrating a state in which an encryption unit encrypts an ID, which is user information, using one or more hexadecimal color codes according to an embodiment of the present invention.
5 is a diagram illustrating a state in which an encryption unit encrypts an e-mail, which is user information, with one or more hexadecimal color codes according to an embodiment of the present invention.
6 is a diagram illustrating an image in which a color encoded user information is added to a frame by a synthesis unit according to an embodiment of the present invention.
7 is a diagram illustrating an image in which a color encoded user information is added to a player controller by a synthesis unit according to an embodiment of the present invention.
8 is a diagram illustrating an image in which a color encoded user information is added to a logo by a combination unit according to an embodiment of the present invention.
9 is a diagram illustrating an image in which a color encoded user information is added to a buffering display by a synthesizer according to an embodiment of the present invention.
10 is a diagram illustrating an image in which a color encoded user information is added to a predefined mark by a synthesis unit according to an embodiment of the present invention.
11 is a diagram illustrating an image in which a color encoded by user information is added to a predefined frame by a synthesis unit according to an embodiment of the present invention.
12 is a diagram illustrating a state in which an ID, which is user information, is extracted from a frame including a color encrypted by a decoding 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 encoded 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 decryption unit according to an embodiment of the present invention.
16 is a diagram illustrating a state in which user information is extracted from a mark 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 encoded by a decoding unit according to an embodiment of the present invention.
18 is a flowchart illustrating a method of protecting copyright of content according to an embodiment of the present invention.

Hereinafter, a content copyright protection apparatus 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 of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of users or operators. Therefore, definitions of these terms should be made based on the contents throughout the present specification.

1 is a block diagram of a content copyright protection apparatus 1 according to an embodiment of the present invention. As shown in FIG. 1, the content copyright protection apparatus 1 according to an embodiment of the present invention includes an encryption unit 10 that encrypts user information with a color code, and synthesizes the color code with an image 40. It includes a synthesis unit 20 and a decoding unit 30 for extracting user information from the color code synthesized in the image 40.

After the encryption unit 10 encrypts the specified user information, various modifications are possible within the technical idea of creating an encrypted color by matching a color code.

The user information is characterized by including at least one of the user's ID, e-mail, IP address, phone number, fax number, address, affiliation, resident number, driver's license number, and card number. In addition, the user information is not limited to the above, and any information capable of specifying 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 an n number. As a method of encrypting user information, at least one of various encryption methods including RSA encryption method may be used. The RSA encryption method uses a decimal number, and after expressing user information as two decimals, the product of the two decimals is transmitted with a hint to use as a password.

Meanwhile, the n number is characterized in that it is any one of a binary number, an octal number, and a hexadecimal number, and in an embodiment of the present invention, a hexadecimal number is used as an example.

The second encryption unit 14 receives the n number encrypted by the first encryption unit and matches it with a color code. Hexadecimal numbers are commonly used to color the computer display. One pixel is represented by the three primary colors of red, green, and blue, and each of the three primary colors is represented by 1 byte (8 bits) and divided into 256 total. So, to designate the color as #RGB, #FF0000 means pure red, and #4169E1 shows the degree of R=41, G=69, B=E1.

In addition, two hexadecimal numbers that determine the transparency of the color may be added in front of the 6-digit number that determines the color. In this case, it can be easily added to the image 40 by increasing the transparency of the encrypted color.

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

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

As shown in Fig. 3, user information using e-mail is converted into one hexadecimal color code by the encryption unit 10. Accordingly, a color corresponding to the hexadecimal color code of the encrypted email is added to the image 40 and provided to the user having the email.

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

As shown in Fig. 5, user information using e-mail is converted into a plurality of hexadecimal color codes by the encryption unit 10. Accordingly, colors corresponding to the plurality of hexadecimal color codes encoded by the email are added to the image 40 and provided to the user having the email.

The synthesizing unit 20 can perform various modifications within the technical idea of synthesizing the encoded 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 mark 45, the buffering mark 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 encoded user information is added to a border by a synthesis unit according to an embodiment of the present invention, and FIG. 7 is a view showing user information by a synthesis unit according to an embodiment of the present invention. FIG. 8 is a diagram illustrating an image in which the color encoded by is added to the player controller, and FIG. 8 is a diagram illustrating an image in which the color encoded user information is added to a logo by a synthesis unit according to an embodiment of the present invention. 9 is a view showing an image in which a color encoded user information is added to a buffering display by a synthesis unit according to an embodiment of the present invention. A diagram showing an image in which the color encoded information is added to a predefined mark, and FIG. 11 is an image in which the color encoded user information is added to a predefined frame by a synthesis unit according to an embodiment of the present invention. It is a diagram showing.

As shown in FIG. 6, a color corresponding to the encoded 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 a corner of the border 41. Alternatively, the synthesis unit 20 may add the encrypted color to the color forming the frame 41 after adjusting the transparency of the encrypted color.

As shown in FIG. 7, the color encoded by the combining unit 20 for user information is added to the player controller 42. When viewing the video 40 through the Internet or the like, the video 40 is set to play only on a specific player, and an encrypted color is added to the controller of the player. The encrypted color may be added to the entire player controller 42 or to a set position. In addition, the synthesis unit 20 may add the encrypted color to the controller of the player after adjusting the transparency of the encrypted color.

As shown in FIG. 8, the color of the user information encoded by the combining 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 part of the image 40, when an encrypted color is added to the logo 43, the user who watches the image 40 It can be easily specified.

As shown in Fig. 9, the color encoded by the combining unit 20 for user information is added to the buffering display 44. The buffering may be set to be displayed at the beginning of the image 40, and the buffering may be intentionally set to be displayed in the middle of the image 40. Encrypted color of user information is added to this buffering.

As shown in FIG. 10, the color encoded by the synthesis unit 20 for user information is added to the mark 45. The mark 45 is located within a range of a predefined position and size of the image 40 and may be disguised as a broadcaster logo 43 or a display related to a program.

As shown in FIG. 11, the color encoded by the synthesizing unit 20 for user information is added to a predefined frame 46. Since the image 40 is formed by gathering 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 synthesis unit 20 may add an encrypted color to at least one of the logo 43, the buffering mark 44, the mark 45, and the frame 46 after adjusting the transparency of the encrypted color.

As shown in FIG. 1, the decoding unit 30 extracts user information from the color code synthesized in the image 40 and makes various modifications within the technical idea for specifying the user who illegally copied or distributed the image 40. It is possible. The decryption unit 30 extracts user information by decrypting the password from the encrypted color included in the image 40.

The decryption unit 30 according to an embodiment includes a first decryption unit 32 and a first decryption unit 32 that match an encrypted color included in the image 40 with a hexadecimal color code and convert it into a hexadecimal number. It includes a second decryption unit 34 that decrypts the hexadecimal code obtained from and obtains user information.

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

In addition, the second decryption unit 34 decrypts the hexadecimal password to obtain specified user information such as the user's ID, e-mail or IP address.

FIG. 12 is a diagram illustrating a state in which an ID, which is user information, is extracted from a frame including a color encrypted by a decryption unit according to an embodiment of the present invention. A diagram showing a state in which user information is extracted from a player controller including a color encrypted by, and FIG. 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 decryption unit according to an embodiment of the present invention. A diagram showing a state in which user information is extracted from a mark including a color encrypted by a decoding unit according to the present invention, and FIG. 17 is a diagram showing 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 It is a diagram showing the state.

As shown in FIG. 12, the decoding unit 30 extracts an ID, which is user information, from the frame 41 of the image 40 including the encrypted color. The decoding unit 30 extracts hexadecimal numbers by matching the encrypted color included in the border 41 with the hexadecimal color code. Then, by decrypting the password in hexadecimal, the user information, the ID, is obtained.

As shown in Fig. 13, the decryption unit 30 extracts an ID, which is user information, from the player controller 42 including the encrypted color. The decoding unit 30 extracts hexadecimal numbers by matching the encrypted color included in the player controller 42 with a hexadecimal color code. Then, by decrypting the password in hexadecimal, the user information, the ID, is obtained.

As shown in Fig. 14, the decryption unit 30 extracts an ID, which is user information, from the logo 43 including the encrypted color. The decoding unit 30 extracts a hexadecimal number by matching the encrypted color of the logo 43 included in the image 40 with a hexadecimal color code. Then, by decrypting the password in hexadecimal, the user information, the ID, is obtained.

As shown in FIG. 15, the decryption unit 30 extracts user information such as ID or email from the buffering display 44 including the encrypted color. The decoding unit 30 extracts hexadecimal numbers by matching the encrypted color included in the buffering display 44 with a hexadecimal color code. Then, by decrypting the password in hexadecimal, the user information, the ID, is obtained.

As shown in FIG. 16, the decryption unit 30 extracts an e-mail, which is user information, from a mark 45 including an encrypted color. The decoding unit 30 extracts a hexadecimal number by matching the encrypted color in the mark 45 included in the image 40 with a hexadecimal color code. Then, by decrypting the password in hexadecimal, the user information, the ID, is obtained.

As shown in FIG. 17, the decryption unit 30 extracts user information such as ID or e-mail from the frame 46 including the encrypted color. The decoding unit 30 extracts hexadecimal numbers by matching the encrypted color included in the frame 46 with a hexadecimal color code. Then, by decrypting the password in hexadecimal, the user information, the ID, is obtained.

User information is specific user information such as user's ID, email, IP address, phone number, fax number, address, affiliation, resident number, driver's license number, and card number, and the image 40 is displayed based on this user information. You can find someone who has 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 method of protecting copyright of content 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 includes an encryption step of encrypting user information with a color code by the encryption unit 10 (S10).

In this encryption step, the first encryption step of encrypting user information by the first encryption unit and converting it into n number, and the second encryption unit receiving the n number encrypted in the first encryption step and matching the color code. Includes two encryption steps.

Through the encryption step, user information is encrypted with one or more hexadecimal color codes. Accordingly, user information purchasing or viewing the image 40 is encrypted with one or more hexadecimal color codes. Therefore, specific user information can be encrypted and converted into a single color or a combination of multiple colors.

In addition, an image synthesizing step of synthesizing the color code encoded by the synthesizing unit 20 to the image 40 is performed. (S20) The image synthesizing step according to an embodiment includes the frame 41 of the image 40 and the image The player controller 42 of 40, the logo 43 included in the video 40, the mark 45 included in the video 40, the buffering display 44 and the video 40 of the video 40 A specific color corresponding to the encrypted color code is added to at least one of the included frames 46.

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

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

Therefore, the content copyright protection apparatus 1 and method according to the present invention are encrypted so that the user who intends to distribute the content after unauthorized copying of the image 40 cannot recognize that his or her information is included in the image 40. By adding user information to the image 40, unauthorized copying and distributors can be easily tracked.

As described above, according to the present invention, since encrypted user information is added to the image 40, if the content of the image 40 is copied and distributed without permission by the user, the user information included in the image 40 is You can protect the copyright by tracking the user.

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 may be recorded in a computer-readable medium. In this case, the medium is a magnetic medium such as a hard disk, a floppy disk, and a magnetic tape, an optical recording medium such as a CD-ROM and a DVD, a magneto-optical medium such as a floptical disk, and a ROM. A hardware device 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 usable to those skilled in the computer software field. Examples of the computer program may include not only machine language codes produced by a compiler but also 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 embodiments shown in the drawings, but this is only illustrative, and those of ordinary skill in the field to which the technology pertains, various modifications and other equivalent embodiments are possible. I will understand. Therefore, the true technical protection scope of the present invention should be determined by the following claims.

1: Content copyright protection device
10: encryption unit 12: first encryption unit 14: second encryption unit
20: synthesis unit
30: decoding unit 32: first decoding unit 34: second decoding unit
40: image 41: border 42: player controller 43: logo 44: buffering indicator 45: marker 46: frame
S10: Encryption step
S20: image synthesis step
S30: decryption step

Claims (12)

An encryption unit for encrypting user information with a color code;
A synthesis unit for synthesizing the color code into an image; And
Includes; a decoding unit for extracting user information from the color code synthesized in the image,
The color code is implemented as a single color,
The color code includes information on transparency,
The synthesis unit adds the encoded color code to several predefined frames among a plurality of consecutive frames included in the image,
The color code is added to the total area of each of the plurality of predefined frames,
In each of the plurality of predefined frames to which the color code is added, the color code includes information on the transparency, and an image of each frame of the plurality of predefined frames can be identified,
The image is set to display buffering in the first half and the middle of the image,
The synthesis unit adds the color code to the buffering displayed in the first half and the middle of the image,
Wherein the synthesizing unit adds the color code to both a player controller of the video and a logo included in the video.
The method of claim 1,
The user information includes at least one of a user's ID, email, IP address, phone number, fax number, address, affiliation, resident number, driver's license number, and card number.
The method of claim 1, wherein the encryption unit,
A first encryption unit for encrypting the user information and converting it into an n number; And
And a second encryption unit that receives the encrypted n number from the first encryption unit and matches the color code.
The method of claim 3,
The n number is a content copyright protection device, characterized in that any one of a binary number, an octal number, and a hexadecimal number.
The method of claim 3, wherein the encryption unit,
Content copyright protection device, characterized in that the encryption of the user information in a hexadecimal color code.
The method of claim 1, wherein the synthesis unit,
And adding the encoded color code to at least one of a frame of the image and a mark included in the image.
The method of claim 1, wherein the decoding unit,
A first decoding unit matching the encrypted color included in the image with a hexadecimal color code and converting it into hexadecimal; And
And a second decryption unit for decrypting the hexadecimal code obtained by 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 code encoded by a synthesizing unit into an image; And
And a decoding step of extracting the color code encoded from the illegally copied image and converting it into the user information by a decoding unit,
The color code is implemented as a single color,
The color code includes information on transparency,
The image synthesizing step is a step of adding the encoded color code to several predefined frames among a plurality of consecutive frames included in the image,
The color code is added to the total area of each of the plurality of predefined frames,
In each of the plurality of predefined frames to which the color code is added, the color code includes information on the transparency, and an image of each frame of the plurality of predefined frames can be identified,
The image is set to display buffering in the first half and the middle of the image,
The image synthesis step,
Add the color code to the buffering displayed in the first half and the middle of the image,
And adding the color code to both a player controller of the video and a logo included in the video.
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 it into an n number; And
And a second encryption step of receiving the n number encrypted in the first encryption step by a second encryption unit and matching the color code.
The method of claim 9, wherein in the encryption step,
Content copyright protection method, characterized in that the user information is encrypted with a hexadecimal color code.
The method of claim 8, wherein the image synthesizing step,
And adding the encoded color code to at least one of a border of the image and a mark included in the image.
The method of claim 8, wherein the decoding step,
A first decryption step of matching the encoded color included in the image with a hexadecimal color code by a first decryption unit and converting it into a hexadecimal number; And
And a second decryption step of decrypting the hexadecimal number obtained from the first decryption unit by a second decryption unit to obtain the user information.

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