KR100542845B1 - Contents proffering device using memory card and method for protecting studying contents - Google Patents

Abstract

The present invention relates to a memory card content providing apparatus and a content security method, and provides a security code (A) for protecting copyright of contents stored in a memory card in providing contents usable in the memory card contents providing apparatus through a memory card. By attaching the contents of the certified memory card to the authorized portable multimedia learning apparatus, the contents copyright of the content provider can be protected.

Description

Memory card content providing device and content security method {CONTENTS PROFFERING DEVICE USING MEMORY CARD AND METHOD FOR PROTECTING STUDYING CONTENTS}

1 is a block diagram of a memory card content providing apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating the structure of the memory card shown in FIG. 1.

FIG. 3 schematically illustrates a memory structure for storing the security code A shown in FIG. 1.

4 is a flowchart illustrating a content security method according to an embodiment of the present invention.

The present invention relates to an apparatus for providing memory card contents, and more particularly, to protect copyright of contents by attaching a security code to an authenticated memory card and determining whether to use the contents stored in the memory card using the attached security code. The present invention relates to a memory card content providing apparatus and a content security method.                         

A general memory card content providing apparatus has an internal data memory storing a key input function, a screen output function, and a content driving program, and thus the content and learning process may be varied in form and interaction depending on the user's selection and the author's intention of authoring. It can be programmed to induce active learning of users.

An example of such a memory card content providing apparatus may be a portable multimedia learner or a portable electronic dictionary.

In this case, the memory card content providing device overcomes the limitation of the capacity of the internal data memory by using a memory card in which digital data is stored such as a memory stick, a compact flash, a smart media card, and a multimedia card, and uses a variety of learning contents. Make it available to

However, in using the memory card storing the specific content in the memory card content providing apparatus, there is no means for protecting the copyright of the content stored in the memory card, so it is easy for the content creator to receive copyright protection of the content. There are drawbacks not to do.

The present invention is to solve the above problems, an object of the present invention by using a security code provided in the memory card content to determine whether to use the content stored in the memory card to protect the copyright of the content provider A card content providing apparatus and a content security method are provided.

Memory card content providing apparatus of the present invention for realizing the above object is a security code storage memory unit for storing the authentication code (FF) or security code (A) for each memory area, and a) when the memory card is loaded Reading the stored security code A or the authentication code FF of the memory card, and b) if it is confirmed that the security code A is stored in the memory card, a memory area corresponding to the contents stored in the memory card A central processing unit for storing the security code A and storing the authentication code FF instead of the security code A of the memory card, and c) providing contents of the memory card according to a user's selection Include.

In order to achieve the above object, the content security method of the present invention includes checking whether a security code (A) is stored in the memory card, and if the security code (A) is stored in the memory card, Storing the security code (A) in a corresponding memory area and storing the authentication code (FF) instead of the security code (A) of the memory card, and providing contents stored in the memory card according to a user's selection Steps.

Hereinafter, a memory card content providing apparatus and a content security method of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram of a memory card content providing apparatus according to an embodiment of the present invention.

The memory card content providing apparatus shown in FIG. 1 includes a central processing unit 1 for performing overall control, an operating program for controlling the central processing unit 1, a program for analyzing and processing multimedia contents, and a program memory for storing internal multimedia contents ( 2), a security code storage memory 3 for storing the security code A of the memory card, an expansion slot 4 for loading and unloading a removable memory card, and an operation unit for inputting a user's command ( 5) and an output unit 6 including a display unit for outputting the processed multimedia content and an audio output device.

In addition, the removable memory card 7 applied to the present invention is provided with an authentication file 11, which is a file for securing the content stored in the memory card 7, in addition to the content as shown in FIG. .

When the authentication operation is not performed, the authentication file 11 stores a security code A having an independent key value for each content to inform the memory card content providing apparatus of the type of content stored in the memory card 7. At the same time, it is notified that the contents are stored in the memory card 7 on which the authentication operation has not been performed, and upon completion of the authentication operation, the authentication code FF is stored by the memory card content providing apparatus to the memory card 7 performing the authentication operation. Indicates that the content is stored.

Accordingly, the memory card content providing apparatus may easily check whether to perform an authentication operation on the content stored in the memory card 7 even with only the type of the code stored in the authentication file 11. The memory card 7 of the present invention will be described in more detail later with reference to FIG.

In addition, the security code storage memory 3 is allocated a memory area capable of storing each of all security codes (A) that can be provided by the memory card content providing device through the memory card (7), each memory area is It has a corresponding content address to indicate its location. The structure of the security code storage memory 3 of the present invention will be described in more detail with reference to FIG.

The central processing unit 1 of the configured memory card content providing apparatus performs an authentication operation on the content stored in the loaded memory card 7 when the memory card 7 storing the content is loaded in its expansion slot 4. In order to confirm whether or not it can be used, the authentication file 11 of the memory card 7 is read to confirm the type of stored code.

When the security code (A) is stored in the authentication file (11), the memory card content providing device determines that the content stored in the inserted memory card 7 has not performed the authentication operation, the center of the memory card content providing device The processor 1 downloads the security code A stored in the authentication file 11, stores it in the security code storage memory 3, and registers the content stored in the memory card 7. At the same time, the authentication file 11 of the memory card 7 stores the authentication code FF to indicate that the authentication operation has been performed on the content stored in the memory 7.

In addition, when the authentication code (FF) is stored in the authentication file 11, it is determined that the memory card (7) that has already stored the content that has been authenticated, and secured to the corresponding content address of the security code storage memory (3). Check that code (A) is stored.

If the security code A corresponding to the content stored in the memory card 7 is stored in the corresponding content address of the memory 3 for storing the security code, it is confirmed that the content is normally registered in the corresponding memory card content providing device. Allows the use of the memory card 7 stored therein.

However, if the security code A corresponding to the content stored in the memory card 7 is not stored in the corresponding content address of the memory 3 for storing the security code, the content that has already been authenticated by another memory card content providing device. It is determined that the stored memory card 7 and the use of the memory card 7 is prohibited.

FIG. 2 is a diagram illustrating the structure of the memory card shown in FIG. 1.

The memory card 7 of the present invention includes an authentication file 11, a system file 12, and a content file 13 by a learning content provider.

The authentication file 11 is a file for authenticating whether or not the contents stored in the memory card 7 can be used, and stores a security code A provided by a content provider when the memory card 7 is manufactured.

At this time, the security code (A) is a value set under the agreement between the content provider and the memory card content providing apparatus provider and has an independent value for each content to distinguish a plurality of contents.

For example:

1) English: 1

2) Stand up: 5

3) Chinese: 6

As described above, the security code A having various values is downloaded and stored to the corresponding content address of the security code storage memory 3 through the authentication operation of the central processing unit 1 of the memory card content providing apparatus, and provides the memory card contents. Informs the registered content in the device.

In addition, the authentication file 11 of the memory card 7 stores the authentication code FF instead of the security code A to indicate that the memory card 7 stores the content of the authentication operation.

Next is the system file 12. The system file 12 stores an operating program for operating contents stored in the memory card 7 in the memory card content providing apparatus. In addition, the system file 12 notifies the type of the content stored in the memory card 7 through the file name and provides the content address information of the security code storage memory 3 in which its security code A is stored.

For this purpose, the file name of the system file 12 is specified in the following format.

a) Company Code (magic) + Security Code (A) + Content Version (BC) .sys

One embodiment of a system file name.

b) magic110.sys

Company code is the company name information of the content provider, security code (A) is a code for distinguishing a plurality of content has an independent value for each content. The content version BC informs the version information of the corresponding content.

The security code A included in the name of the system file 12 is a code having an independent value for each content, and the memory card content providing apparatus adds a specific value to the security code A to store the content stored in the memory card. The content address of the security code storage memory 3 corresponding to the above is calculated.

Of course, the security code (A) value and the specific value at this time can be changed in various forms under the agreement of the content provider and the memory card content providing device provider within a range capable of informing the content content information stored in the memory card 7.

By using the security code A included in the name of the system file 12, the memory card content providing apparatus makes it possible to easily grasp the content address corresponding to the content stored in the memory card 7.

Finally, the content file 13 stores substantial content.

The content file 13 stores text, picture, video, and sound data for substantially providing the content, and loads the data according to the user's selection of the memory card content providing apparatus, thereby allowing the user to select the memory card 7. Allows you to actively use the content stored in

FIG. 3 briefly illustrates a memory for storing the security code shown in FIG. 1. Referring to FIG. 3, the memory 3 for storing the security code is allocated a memory area for storing each of all the security codes A that the memory card contents providing apparatus can receive through the memory card 7. Each memory area has a corresponding content address for indicating its location.

The content addresses 21 to 2n of each memory area are the security code A included in the system file 12 name, which is a sum of a specific value 99, and the security code included in the system file 12 name. A) can be used to easily find the content address corresponding to the content stored in the memory card.

In the initial allocation of memory areas 31 to 3n, authentication codes FF are stored in all memory areas. When authentication of specific content is performed, the corresponding memory area (content address 21 corresponding to the corresponding content) is stored. The security code A is downloaded and stored therein.

Accordingly, when the central processing unit 1 of the memory card content providing apparatus performs an authentication operation on the content stored in the memory card 7, the code stored in the authentication file 11 of the memory card and the corresponding memory area (content corresponding to the corresponding content) are performed. By determining whether the security code A stored at the address 21 satisfies the authentication check availability condition and the availability condition, it is possible to confirm whether or not the content authentication work is performed.

Herein, the authentication is performed under the condition that the security code A is stored in the authentication file 11 of the memory card 7 as described above, and the authentication code is stored in the memory area corresponding to the contents of the memory card 7. (FF) is stored.

In addition, the availability condition is that the authentication code (FF) is stored in the authentication file 11 of the memory card 7 as described above, and the security code in the memory area corresponding to the contents of the memory card 7. (A) is stored.

4 is a flowchart illustrating a content security method according to an embodiment of the present invention.

It is detected whether the memory card 7 in which contents are stored in the expansion slot is loaded (step S1).

At this time, the memory card 7 includes an authentication file 11 in which a security code A or an authentication code FF is stored, a system file 12 for operating contents, and characters and pictures for substantially providing contents. And a content file 13 storing video and sound data.

Once the memory card 7 is loaded, the authentication file 11 of the memory card 7 is automatically read to confirm whether or not the contents stored in the memory card 7 have been performed and can be used (step S2). .

It is checked whether the security code A or the authentication code FF is stored in the authentication file 11 (step S3).

If the security code (A) is stored in the authentication file (11), it is confirmed that the memory card (7) that stores the content without performing the authentication operation, and if the authentication code (FF) is stored in the authentication file (11) It is confirmed that the memory card 7 stores content that has already been authenticated by the corresponding memory card content providing apparatus or another memory card content providing apparatus.

As a result of checking in step S3, if the security code (A) is stored in the authentication file (11), it is confirmed that the content for performing the first authentication operation in the memory card content providing apparatus is the memory card (7) stored therein, It is checked whether the authentication code FF is stored in the memory area corresponding to the stored contents (step S4).

Determining the memory area corresponding to the content stored in the memory card After reading the security code (A) included in the system file name on the memory card, the agreement between the content provider and the memory card content providing device provider to the read security code (A) The specific value set below is added up. The calculated value is an address value indicating the location of the corresponding memory area, and the specific value at this time is set so that the calculated value is the same as the security code A stored in the authentication file 11.

When the authentication code FF is stored in the memory area 31, the security code A stored in the authentication file 11 is downloaded and written (step S5).

When writing of the security code (A) is completed, the authentication code (FF) to the authentication file 11 of the memory card 7 to inform that the content stored in the memory card 7 is the content authenticated by the memory card content providing device (Step S6).

According to the user's selection, the content stored in the memory card is provided (step S7).

As a result of the checking in step S3, if the authentication code FF is stored in the authentication file 11, it is checked whether the security code A is stored in the memory area corresponding to the content stored in the memory card (step S8).

If the security code A is stored in the corresponding memory area, it is confirmed that the content stored in the memory card 7 has been authenticated through the corresponding memory card content providing apparatus, and the flow proceeds to step S7.

As a result of checking in step S8, if the authentication code (FF) is stored in the memory area 31, it is confirmed that the contents stored in the memory card (7) is the authentication operation is performed through the other memory card content providing apparatus and the corresponding memory card The content providing device notifies that the content is not available (step S9).

According to the user's selection, the content stored in the internal program memory 2 is provided (step S10).

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art various modifications and changes to the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

As described above, the memory card content providing apparatus and the content security method according to the present invention attach a security code to the memory card when various contents are provided using the memory card, and the memory card content providing apparatus of the present invention provides the security. It is to provide a content security method that can determine the availability of the memory card using a code to protect the copyright of the content provider.

Claims (10)

A memory card content providing apparatus capable of receiving content from a memory card, The first area in which the security code A and the authentication code FF are stored, the second area in which the content data is stored, and the same code value as the security code A are attached and a system file for operating the content is provided. A security code storage memory unit including a third area to be stored, and storing an authentication code (FF) and a security code (A) for each area; a) reading the security code (A) or authentication code (FF) stored in the memory card when the memory card is loaded, b) when it is confirmed that the security code A is stored in the memory card, the security code A is deleted in the second area corresponding to the content stored in the memory card, and the authentication code of the memory card is deleted. (FF), and c) a central processing unit for providing contents of the memory card according to a user's selection. The method of claim 1, wherein the central processing unit If it is confirmed that the authentication code FF is stored in the first area of the memory card, the authentication code FF whether the security code A is stored in the second area corresponding to the content stored in the memory card. ) Is saved, b) if the security code A is stored in the memory area, provide contents stored in the memory card according to a user's selection; c) notifying that the memory card cannot be used if the authentication code (FF) is stored in the memory area. delete The method of claim 1, And a system file name for operating the content of the third area is attached with the same code value as the security code (A) stored in the first area of the memory card. The method of claim 1, The address of the second area corresponding to the content is equal to the security code A of the first area by adding up a security code A extracted from a system file name for operating the content of the third area of the memory card. Memory card content providing apparatus, characterized in that the value. delete In the content security method of the memory card content providing apparatus, Checking whether a security code (A) is stored in the memory card; If the security code (A) is stored in the memory card, deleting the security code (A) in the second area corresponding to the content stored in the memory card and storing the authentication code (FF) of the memory card ; And, And providing content stored in the memory card according to a user's selection. The method of claim 7, wherein If an authentication code (FF) is stored in the memory card, checking whether a security code (A) is stored in a memory area corresponding to the corresponding content; Providing content stored in the memory card if a security code (A) is stored in a memory area corresponding to the content; And And notifying that the memory card cannot be used if an authentication code (FF) is stored in a memory area corresponding to the content. The method according to claim 7 or 8, The address of the memory area corresponding to the content is a value obtained by adding a first value after obtaining a security code (A) from a system file name stored in the memory card. The method of claim 9, And the first value is summed with a security code (A) extracted from a system file name stored in the memory card so that the security code (A) stored in the memory card is the same.

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