KR20070100188A - Method for controling electronic disk - Google Patents

Abstract

A method for controlling an electronic instrument is provided to prevent sound source data from being used illegally by preventing the sound source data from being changed by a sound source output device. A copyright verifying unit(370) checks whether or not copyright information is stored in sound source data stored in a memory(140). An attribute control unit(365) changes the attribute of the sound source data to a read-only attribute or a hidden attribute if a copyright is included in the sound source data. A certification process unit(360) certifies an application program accessing to the sound source data or changes the read-only attribute or the hidden attribute of the sound source data. A memory control unit(350) controls the application program certified by the certification process unit to access to the sound source data or to change the read-only attribute or the hidden attribute of the sound source data. A memory input/output unit(355) inputs or outputs the sound source data with a memory attribute control function of the memory control unit.

Description

Electronic recording device control method {Method for Controling Electronic Disk}

1 is a block diagram illustrating device components of an electronic recording apparatus according to an embodiment of the present invention.

2 is a block diagram illustrating a simple functional configuration block of a USB compatible device according to an embodiment of the present invention.

3 is a block diagram illustrating a functional block of an electronic recording apparatus according to an embodiment of the present invention.

4A and 4B illustrate an embodiment of controlling a read-only / hidden property of sound source data stored in a memory of an electronic recording apparatus according to an exemplary embodiment of the present invention.

5 is a diagram illustrating a data packet structure for memory identification and data writing, reading, and erasing according to an embodiment of the present invention.

6 is a diagram illustrating an electronic recording device initialization process according to an exemplary embodiment of the present invention.

7 is a diagram illustrating a process of recording (or storing) sound source data in an electronic recording apparatus according to an exemplary embodiment of the present invention.

8 is a diagram illustrating a data packet structure for authenticating an application for a sound source according to an exemplary embodiment of the present invention.

9 is a flowchart illustrating an operation of an electronic recording apparatus according to an exemplary embodiment of the present invention.

10 is a flowchart illustrating an operation of an electronic recording apparatus according to another exemplary embodiment of the present invention.

<Description of main parts of drawing>

100: electronic recording device 155: USB compatible device

300: USB communication unit 305: packet transceiver

310: token packet processing unit 315: packet processing unit

320: packet extraction unit 325: packet generation unit

330 command reading unit 335 address processing unit

340: data processing unit 345: state processing unit

350: memory control unit 355: memory input / output unit

360: authentication processing unit 365: property control unit

370: copyright confirmation

The present invention provides a personal computer (PC) and / or sound source having at least one universal serial bus (USB) connector, a USB system program (e.g., a USB drive program, a host driver program) and / or a USB application. The present invention relates to an electronic recording device for interfacing a predetermined USB compatible device based on a USB communication standard including an output device (eg, a device having a sound source output function configuration corresponding to predetermined sound source data).

In the first record, the voice or music is converted into an electric signal through a microphone, and then it is dug a series of swirling spheres from the outer circle of the record inward, and the horizontal or vertical change of the groove according to the electric signal (voice signal) In 1887 Emile Berliner developed into a disc record after Thomas Elba Edison invented the tin foil cylindrical record in 1877.

Later, electric recording was developed in 1925, LP (Long Playing) was developed in 1948, and the first stereo record began to be released in 1954, and in 1972, the production was made by the PCM (Pulse Code Modulation). 'S digital record began to be released, and in the' 80s, today's CD (Compact Disk) was developed.

On the other hand, as information and communication technology continues to develop and most of the computing devices such as personal computers and / or laptops are equipped with the CD-ROM as a basic peripheral storage device, sound sources stored on the CD can be easily and illegally copied / replicated. It includes the problem.

In the future, such recordings are expected to evolve in the form of electronic recordings that store and provide digitized sound sources in NAND memory.

However, the digitized sound source to be stored in the electronic record includes a serious problem that illegal lossless copying / copying is much easier than the CD recording as in the conventional file copying of digitized content.

It is an object of the present invention to provide at least one USB compatible device and / or a server on a network (e.g., a web server that sells (or provides) sound data including copyright information on a network) and / or a terminal (e.g. When recording sound source data containing predetermined copyright information from a memory provided in the electronic recording apparatus from a terminal exchanging (or providing) sound source data including copyright information, the copyright information is included in the sound source data. The present invention provides an electronic recording device for confirming whether the copyright information is confirmed and forcibly setting and managing the property of the sound source data read-only / hidden.

An electronic recording apparatus according to the present invention comprises a memory for storing predetermined sound source data; A copyright confirmation unit for confirming whether predetermined copyright information is included in the sound source data stored in the memory; An attribute control unit forcibly setting (or fixing) an attribute of the sound source data to a read-only attribute and / or a hidden attribute when the sound source data includes a predetermined copyright; An authentication processing unit for authenticating an application program accessing the sound source data and / or authenticating an application program for changing a read-only attribute and / or a hidden attribute of the sound source data; A memory for controlling only the application program authenticated by the authentication processing unit to access the sound recording data, and / or controlling only the application program authenticated by the authentication processing unit to change the read-only attribute and / or hidden attribute of the sound recording data. Control unit; And a memory input / output unit configured to process the sound source data input / output based on a memory property control function of the memory controller.

According to the present invention, the copyright information may include at least one of digital rights management (DRM) information and / or watermark information and / or finger print information.

According to the present invention, the authentication processing unit, by authenticating the validity of the authentication data received from the application program, characterized in that the application program to authenticate the access to the memory area in which the sound source data is stored.

According to the present invention, the electronic recording apparatus may include a packet transmission / reception unit configured to transmit / receive a predetermined USB packet with a predetermined USB device; A packet extracting unit for extracting a predetermined command and / or data from the UBS packet received from the UBS apparatus corresponding to the electronic recording apparatus; And a packet generator for generating a USB packet to be transmitted from the electronic recording device to the USB device.

The electronic record apparatus may include a command reading unit that reads and / or interprets a command extracted by the packet extracting unit; And a data processing unit which writes the data extracted by the packet extracting unit to the memory through the memory input / output unit or extracts predetermined data from the memory through the memory input / output unit.

On the other hand, the present invention includes a computer-readable recording medium characterized by recording a program for executing the functions of the above-described electronic recording apparatus component.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be based on the contents throughout the present title.

In addition, preferred embodiments of the present invention to be carried out below are provided in each system functional configuration to efficiently describe the technical components constituting the present invention, or system functions that are commonly provided in the technical field to which the present invention belongs. The configuration will be omitted, and described mainly on the functional configuration to be additionally provided for the present invention. If those skilled in the art to which the present invention pertains, it will be able to easily understand the function of the components that are conventionally used among the omitted functional configuration not shown below, and also the configuration omitted as described above The relationship between the elements and the components added for the present invention will also be clearly understood.

In addition, the following examples will be used to properly modify the terms so that those skilled in the art to clearly understand the key technical features of the present invention to clearly understand, thereby the present invention This is by no means limited.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It is only.

1 is a block diagram illustrating device components of an electronic recording apparatus according to an embodiment of the present invention.

More specifically, FIG. 1 shows a personal computer having at least one universal serial bus (USB) connector 135, a USB system program (e.g., a USB drive program, a host driver program) and / or a USB application. An electronic recording interface based on a USB communication standard to a predetermined USB compatible device 155 including a PC) and / or a sound source output device (for example, a device having a sound source output function configuration corresponding to predetermined sound source data). As a block diagram of the device configuration of the device 100, those of ordinary skill in the art to which the present invention pertains may refer to the personal computer and / or sound source output device and the Various implementation methods for the device configuration of the electronic recording device 100 interfaced via USB may be inferred, but the present invention is inferred from It includes all the city methods, and is not limited by the embodiment method shown in FIG.

The USB device 155 may include at least one or more USB connectors 135 and at least one wired terminal such as a personal computer (PC) and / or a notebook computer having a USB system program and / or a USB application program. It is preferable to comprise.

In addition, the USB-compatible device 155 may be a portable device such as a PDA (Personal Digital Assistant) and / or a Portable Multimedia Player (PMP) having at least one USB connector 135 and a USB system program and / or a USB application program. It is preferable to include at least one terminal.

In addition, the USB device 155 includes at least one USB connector 135, a USB system program and / or a USB application program, and is connected to a CDMA-based mobile communication network and / or an IEEE 802.16x-based device. And at least one wireless terminal such as a portable Internet terminal connected to a high-speed wireless Internet and / or a wireless data communication terminal connected to a wireless data communication network based on Motorola DataTAC or Erricson's Mobitex system.

In addition, the USB device 155 includes at least one USB connector 135, at least one home sound source output device having a USB system program and / or a USB application program, a portable sound source output device, a vehicle sound source output device, and the like. It is preferable to include at least one.

Referring to FIG. 1, an electronic recording device 100 that interfaces with at least one USB connector 135 and a predetermined USB-compatible device 155 having a USB system program and / or a USB application program based on a USB communication standard. ) Is at least one USB connector 135 corresponding to the USB standard, a memory 140 storing at least one sound source data, and the USB device 135 through the USB connector 135. 155 and an interface based on a USB communication standard, and manage at least one or more sound source data stored in the memory 140, extract predetermined sound source data from the memory 140, and through the USB connector 135 And a controller 105 provided to the USB device 155.

In addition, the electronic recording apparatus 100 may further include a clock source 145 (Clock Source) for generating a clock required for the controller 105 and / or the memory 140 to operate. The clock source 145 may be any clock generating circuit, such as a crystal oscillator or frequency synthesizer, and the present invention is not limited thereto.

Here, the clock source 145 may be provided in the controller 105, whereby the present invention is not limited.

The electronic recording apparatus 100 may further include an amplifier 130 for outputting a predetermined sound source signal generated from the sound source data stored in the memory 140 and a sound source terminal 150 for outputting the amplified sound source signal. It may also be made, and may further include a battery (not shown) in addition to the power input through the USB connector 135, but the present invention is not limited thereto.

However, when the amplifier 130, the sound source terminal 150, and / or a battery (not shown) are further provided in the electronic recording apparatus 100, the electronic recording apparatus 100 further functions as an electronic recording player. Will be performed.

In addition, the electronic record apparatus 100 may include a screen output device (not shown) including a predetermined LCD controlled by the controller 105 to perform a function of a more efficient electronic record player, and / or the controller ( 105 may further include a key input unit (not shown) for inputting a command such as selecting a predetermined sound source and / or playing and / or stopping, but the present invention is not limited thereto. Those skilled in the art will readily be able to infer a method of including the screen output unit (not shown) and / or key input unit (not shown) in the controller 105, so that the detailed description thereof is provided for convenience. Omit.

In addition, the electronic recording device 100 may be configured according to the intention of the person skilled in the art in addition to the configuration shown in FIG. 1 (eg, an IC chip module for enhancing the security function of the electronic recording, and an expansion socket for expanding the memory 140). Etc.), but the present invention includes all the above-described configurations, and is not limited to the configuration shown in FIG.

The USB connector 135 is physically Type A corresponding to the USB connector 135 for the target, and / or Type B corresponding to the USB connector 135 for the host, and / or OTG. (On-The-Go) is characterized in that it conforms to at least one connector 135 of the mini-AB (Mini-AB) corresponding to the USB connector 135, and electrically through the connector 135 A function of applying power input from the USB compatible device 155 to the controller 105 and / or the memory 140 and / or the clock, and also from the USB compatible device 155 through the connector 135. And a function of transferring the electrical signal to the controller 105 and a function of transferring the electrical signal input from the controller 105 to the USB compatible device 155 through the physical connector 135. It is done.

The memory 140 may include NAND flash memory (e.g., a flash memory in which cells are disposed in series between a bit line and a ground line in a memory structure) and / or a NOR flash memory (e.g., a cell in parallel between a bit line and a ground line in a memory structure). Disposed flash memory), or at least one flash memory modified from the NOR flash memory, an AND flash memory, a DINOR flash memory, and a virtual ground array (VGA) flash memory. The memory 140 may be EEPROM (Electrically Erasable and Programmable Read Only Memory).

According to an embodiment of the present invention, the memory 140 is logically divided into a memory area storing sound source data and a memory area storing general data, wherein the memory area in which the general data is stored is the USB. Although it is possible to access at least one or more application programs provided in the corresponding device 155, the memory area in which the sound source data is stored is an authenticated sound source application program among at least one or more application programs provided in the USB compatible device 155. It is desirable to approach only.

According to the exemplary embodiment of the present invention, the data stored in the memory area in which the sound source data is stored on the memory 140 may store at least one sound source data corresponding to an electronic record, and the sound source data may be It may be compressed with a predetermined compression codec according to the intention, and / or encrypted through a predetermined encryption scheme (and / or encryption algorithm), whereby the present invention is not limited.

The data stored in the memory area in which the sound source data is stored may preferably store at least one or more digital contents corresponding to the electronic record (for example, a music video corresponding to the electronic record) in addition to the sound source data.

In addition, the data stored in the memory area in which the sound source data is stored preferably stores predetermined digital rights management (DRM) information for preventing illegal copying of the sound source data and / or digital content.

In addition, the data stored in the memory area where the sound source data is stored, preferably comprises a record information corresponding to the sound source data, the record information is the record name information (for example, Hong Gil-dong 1), singer information, Sound source data information (e.g., each sound source title and playing time, etc.), composer information and / or writer information and / or arranger information for each sound source data, record-specific information (e.g., product number or serial number assigned to the record, or barcode) Information (Barcode) or RFID (Radio Frequency Identification (RFID) code information, etc.) is preferably included.

The data stored in the memory area in which the sound source data is stored may include storing a predetermined sound source application program for reproducing the sound source data in a USB compatible device 155 connected to the electronic recording apparatus 100. The sound source application may be provided and installed to the USB-compatible device 155 during the first connection of the electronic recording device 100 to the USB-compatible device 155.

The data stored in the memory area in which the sound source data is stored may store a predetermined electronic record related program (for example, a sound source playback program) for playing the sound source data in the electronic recording apparatus 100. When a predetermined power is supplied to the electronic record apparatus 100, the electronic record related program is preferably provided to the controller 105 and executed.

In addition, data stored in a memory area in which the sound source data is stored may be stored in a network through the USB compatible device 155 when the USB compatible device 155 connected to the electronic recording device 100 is connected to a predetermined network. It is possible to store information for supporting additional purchase, return, exchange, etc. of the sound source data in association with a server (or a terminal) on the Internet.

The data stored in the memory area in which the sound source data is stored may further include customer information and / or buyer information on the customer who purchased the electronic recording, and thus the present invention is not limited thereto. .

The controller 105 includes a typical configuration of a USB interface 110 circuit for communicating with the USB-compatible device 155 based on a USB communication standard, as shown in FIG. In addition to the configuration, additional configurations may be further included according to the intention of those skilled in the art, but the present invention includes all of the above-described configurations, and the present invention is not limited by the configuration shown in FIG.

According to the exemplary embodiment of the present invention, the controller 105 may include a one chip including a processor 115 and a program memory 120 and a circuit configuring the same. An implementation method including a one-chip including a program memory 120, but including a circuit constituting the same outside the one chip, or a processor 115 and a circuit constituting the same therein, but the program memory 120 to the outside Although various implementation methods may be implemented, such as the implementation method of the processor 115 and the program memory 120 and the circuits configuring the same, the controller 105 of the present invention may be implemented in the specific implementation described above. It is not limited by the method, nor is it limited by the embodiment shown in FIG.

Referring to FIG. 1 according to a preferred embodiment of the present invention, the controller 105 is connected to a USB interface 110 that interfaces the USB compatible device 155 and the controller 105 via the USB connector 135. A memory interface 125 for interfacing the memory 140 and the controller 105, an operation processing function required for USB communication, a memory 140 control and management function according to the present invention, and / or an electronic recording according to the present invention. It includes a processor 115 for performing arithmetic processing functions required for processing, and a program memory 120 for storing a firmware program that the processor 115 performs arithmetic processing.

The USB interface 110 is a circuit configuration for packet exchange between the USB connector 135 and the controller 105, and electrically and / or logically connects the USB connector 135 and the controller 105. It includes a bus (BUS).

The memory interface 125 is a circuit configuration for exchanging commands and / or information between the controller 105 and the memory 140, and the controller 105 receives various control signals such as chip activation, read and write signals. A control bus for controlling the memory 140 by applying it to the memory 140, and an address bus and / or data bus for exchanging information between the controller 105 and the memory 140. It includes (Data BUS).

The processor 115 is a central process unit (CPU) included in the electronic recording apparatus 100, and processes a command received from the USB compatible device 155 through the USB connector 135, and / or It is characterized in that for processing the function of the firmware program defined in the program memory 120.

The program memory 120 is a program storage memory included in the electronic recording apparatus 100, and includes a memory structure that can be randomly accessed in hardware, and the USB interface 110 in software. And / or a function of controlling an operation of the memory interface 125, a function of communicating with the USB compatible device 155 in cooperation with the USB interface 110, and a function of interworking with the memory interface 125. And a firmware program including at least one function of controlling and managing the memory 140 for processing the electronic recording according to the present invention and / or a function required for the processing of the electronic recording according to the present invention.

According to an exemplary embodiment of the present invention, the program memory 120 may include a nonvolatile memory including at least one of a ROM and / or an EPROM and / or an EEPROM and / or a NOR series of memory. The program memory 120 includes a function of controlling the operation of the USB interface 110 and / or the memory interface 125, a function of communicating with the USB compatible device 155 in cooperation with the USB interface 110, A firmware program including at least one function of controlling and managing a memory for processing an electronic recording according to the present invention and / or a function required for processing the electronic recording according to the present invention in association with the memory interface 125 is stored and executed. It is desirable to be.

According to another exemplary embodiment of the present invention, the program memory 120 may include at least one or more volatile memory of RAM and / or SRAM and / or DRAM, in which case the USB interface 110 and / or Or a function of controlling the operation of the memory interface 125, a function of communicating with the USB compatible device 155 in cooperation with the USB interface 110, and an electronic device according to the present invention in cooperation with the memory interface 125. A firmware program including at least one function for controlling and managing a memory for record processing and / or a function required for electronic record processing according to the present invention is stored in the memory and loaded from the memory into the program memory 120. And the present invention can be executed, and the present invention is not limited thereto.

According to another embodiment of the present invention, when the memory 140 is capable of being stored and executed by the firmware as an EEPROM and / or a NOR series of programmable memory, or the memory is a NAND series of memory, When a program can be executed even in a NAND memory, the program memory 120 may be omitted by storing and executing the firmware in the memory, and thus the present invention is not limited thereto.

The function of controlling the operation of the USB interface 110 in the firmware program is to receive a predetermined USB packet from the USB-compatible device 155 through the USB connector 135 and to perform a protocol corresponding to the received USB packet. It is desirable to include reading the stack and controlling the operation of extracting predetermined instructions and / or data from the protocol stack.

The function of controlling the operation of the USB interface 110 may include generating a USB packet by applying a predetermined protocol stack to data generated in the controller 105 and / or data extracted from the memory. It is preferable to include controlling the operation of transmitting the generated USB packet to the USB device 155 through the USB connector 135.

According to an exemplary embodiment of the present invention, in order to control the operation of the USB interface 110, the firmware program may set, store, and manage information and / or flags necessary for controlling the operation of the USB interface 110. And / or a buffer for temporarily storing data received from the USB-compatible device 155 via the USB connector 135, and / or to the USB-compatible device 155 via the USB connector 135. It is preferable to include a buffer for temporarily storing data.

The function of controlling the operation of the memory interface 125 in the firmware program is to correspond to the command in response to the command when an input / output related command to the memory is received from the USB device 155. It is preferable to include writing data or reading data corresponding to the command from the memory. Particularly, the function for controlling the operation of the memory interface 125 is linked to the electronic recording process according to the present invention. It is preferably controlled by the function of controlling and managing the memory.

According to an exemplary embodiment of the present invention, in order to control the operation of the memory interface 125, the firmware program sets, stores, and manages information and / or flags necessary for controlling the operation of the memory interface 125. And / or a buffer for temporarily storing data to be stored in the memory, and / or a buffer for temporarily storing data extracted from the memory.

In the firmware program, a function of controlling and managing a memory for processing an electronic recording according to the present invention in association with a memory interface 125 may include: a memory region in which the memory is logically stored with predetermined sound source data corresponding to the electronic recording; For example, it is desirable to divide and manage the memory area in which general data is stored.

In addition, the function of controlling and managing the memory for electronic recording processing according to the present invention, the controller 105 of the application program provided in the predetermined USB-compatible device 155 connected via the USB connector 135 It is preferable to allow and control only the sound source application that is authorized to access sound source data to access the memory area storing the sound source data, and the non-authenticated general application accesses the memory area where the general data is stored. It is preferable to process so that.

The function required for the electronic recording process according to the present invention in the firmware program is a predetermined USB compatible device connected through the USB connector 135 for the function of controlling and managing the memory for the electronic recording process according to the present invention. Among the application programs provided at 155, it is preferable to include authenticating an access right of the sound source application program that can access the memory area in which the sound source data is stored.

In addition, a function required for the electronic recording process according to the present invention, when a predetermined DRM is applied to the sound source data stored in the memory area for storing the sound source data, the DRM is confirmed and processed by the controller 105 In addition, it is preferable to identify and process the DRM applied to the sound source data.

In addition, a function required for the electronic recording process according to the present invention is to extract and reproduce sound source data stored in the memory in order to reproduce the sound source data in the controller 105 to generate a predetermined sound source signal. It is preferable to further comprise a functional configuration for generating a signal, whereby the present invention is not limited.

When the sound source data is reproduced in the controller 105 to generate a predetermined sound source signal according to an embodiment of the present invention, the generated sound source signal is preferably amplified by being transferred to the amplifier 130. The amplified sound source signal is preferably output through the sound source terminal 150.

According to an embodiment of the present invention, the electronic recording device 100 is connected to a predetermined USB compatible device 155 through a USB communication standard to provide sound source data stored in the memory to the USB compatible device 155. An electronic recording mode played back through a predetermined sound source application program included in the USB-compatible device 155, or connected to the USB-compatible device 155 through a USB communication standard to support a data storage area on the memory. Data storage mode that extends to the data storage area of the device 155, or electronic record reproduction for reproducing the sound source data stored in the memory through the amplifier 130 and the sound source terminal 150 included in the electronic record device 100 It is preferable to operate by selecting any one of the modes.

According to another exemplary embodiment of the present invention, the electronic recording device 100 is connected to a predetermined USB compatible device 155 through a USB communication standard to provide sound source data stored in the memory to the USB compatible device 155. An electronic recording mode for playing back through a predetermined sound source application program included in the USB-compatible device 155, and / or the USB-compatible device 155 through a USB communication standard to access a data storage area on the memory. Data storage mode extending to the data storage area of the USB-compatible device 155, and / or sound source data stored in the memory through the amplifier 130 and the sound source terminal 150 included in the electronic recording device 100 It is possible to operate in a multi-mode in which at least two or more operation modes of the electronic record reproducing mode to be reproduced are simultaneously executed, whereby the present invention is not limited.

For example, the electronic record apparatus 100 may simultaneously execute the electronic record mode and the data storage mode, and / or the electronic record play mode and the data storage mode at the same time, and / or the electronic record mode and the electronic record play mode. It is possible to execute simultaneously, and / or both the electronic record mode and the data storage mode and the electronic record reproduction mode are executed simultaneously.

Hereinafter, the sound source data and / or digital content are collectively used as sound source data for convenience.

However, the object of the present invention is not limited to sound source data, but includes all kinds of digital contents including copyright information.

2 is a block diagram showing a simple functional configuration block of the USB compatible device 155 according to the embodiment of the present invention.

In more detail, FIG. 2 illustrates a functional configuration of a USB compatible device 155 connected to the electronic recording device 100 through a USB communication standard, and has a general knowledge in the art. 2, various types of USB-compatible devices 155 connected to the electronic recording device 100 through the USB communication standard (eg, wired terminals such as personal computers and / or laptops). Handheld terminals, such as PDAs and / or PMPs, CDMA-based mobile communication terminals and / or IEEE 802.16x-based mobile Internet terminals and / or DataTAC / Mobitex-based wireless data communication terminals, at least one home sound output device, portable It is possible to infer the functional configuration of the sound source output device, the vehicle sound source output device, etc.), but the present invention includes all of the inferred implementation method, the embodiment shown in FIG. In it not limited by.

The USB compatible device 155 controls and manages all USB communication on the USB compatible device 155 and a USB connector electrically connected to the USB connector provided in the electronic recording device 100 through a predetermined USB cable. It is characterized by comprising a USB controller (USB Controller) to.

Those of ordinary skill in the art (for example, those familiar with the USB standard) may understand detailed technical specifications of the USB connector and the USB controller provided in the USB-compatible device 155. Therefore, detailed description thereof will be omitted for convenience.

Referring to FIG. 2, the USB device 155 accesses a USB system program for interlocking the USB controller to control USB communication, and a function provided in the electronic recording device 100 in conjunction with the USB system program. Characterized in that it comprises at least one USB application program.

The USB system program is a program corresponding to a USB system software layer on a USB standard system structure, and corresponds to an operating system included in the USB compatible device 155 and a USB drive program and / or a host driver program that interoperates with the USB controller. It is made, including.

Those of ordinary skill in the art (for example, those familiar with the USB standard) will clearly understand the technical features of the USB system program included in the USB-compatible device 155, and thus will be described in detail. Description is omitted for convenience.

The USB application program is at least one application program that accesses a function provided in the electronic recording apparatus 100 in association with the USB system program, and sells sound source data including copyright information on a server on a network (eg, a network). (E.g., providing a web server) and / or a terminal (e.g., a terminal for exchanging (or providing) sound source data including copyright information via a network) to download the sound source data including copyright information to the electronic recording device ( A communication program recorded on the electronic device 100, a sound source application program capable of reproducing sound source data included in the electronic recording apparatus 100, and / or changing a fixed read-only / hidden property of the sound source data; At least a general application program for accessing the general data storage area provided in the electronic recording apparatus 100. Or it comprises more.

The communication program of the USB application program connects a predetermined communication channel with a server on a network, purchases (or downloads) sound source data including copyright information from the server, and transmits the sound source data through the USB system program. A browser program for recording the data in the electronic recording apparatus 100 and / or a terminal on a network and a predetermined communication channel, exchange (or download) sound source data including copyright information from the terminal, and perform the USB system. It is preferable to include at least one or more instant messenger for recording the sound source data in the electronic recording device 100 through a program.

In addition, the sound source application program among the USB application program includes a function of recording sound source data stored in the USB-compatible device 155 to the electronic recording apparatus 100 through the USB system program including predetermined copyright information. It is preferred to further comprise.

According to an exemplary embodiment of the present invention, the sound source application program may be configured to authenticate the authority defined in the electronic record apparatus 100 in order to change a fixed read-only / hidden property of the sound source data included in the electronic record apparatus 100. Preferably, the method further comprises a function of performing a procedure.

According to an exemplary embodiment of the present invention, a sound source application program for reproducing sound source data included in the electronic record apparatus 100 and / or changing a fixed read-only / hide attribute of the sound source data may correspond to the USB. It is preferably the same application provided in the device 155.

According to another exemplary embodiment of the present invention, a sound source application program for reproducing sound source data included in the electronic record apparatus 100 and / or changing a fixed read-only / hidden property of the sound source data may include: It may be different application programs provided in the corresponding device 155, whereby the present invention is not limited.

For example, a sound source application program for reproducing sound source data included in the electronic record apparatus 100 includes only a function of reproducing sound source data provided in the electronic record apparatus 100, and the electronic record apparatus 100 Changing the fixed read-only / hidden property of the provided sound source data may be processed by another sound source program (eg, an application program for recording at least one sound source data in the electronic recording apparatus 100, etc.).

According to another exemplary embodiment of the present invention, a sound source application program for changing a fixed read-only / hidden property of sound source data included in the electronic record apparatus 100 may be provided in the USB compatible device 155, And / or an application program included in a server on a network to which the USB device 155 is connected through a predetermined network, and the present invention is not limited thereto.

For example, an application program provided in a server on a network to change a fixed read-only / hidden property of sound source data included in the electronic record device 100 may be transferred from the server to the electronic record device 100 through the network. The application program may download and store predetermined sound source data.

The method for performing the authority authentication procedure defined in the electronic recording apparatus 100 by the sound source application program may include all types of end-to-end applicable to two or more different devices connected through predetermined communication means. To-End) characterized in that it comprises at least one end-to-end authentication method of the authentication method, the present invention is not limited by a specific end-to-end authentication method.

According to the exemplary embodiment of the present invention, the end-to-end authentication method for authenticating the authority defined by the sound recording application program on the electronic recording device 100 includes an end-to-end authentication method through exchange of identification codes, and / or encryption. It is preferable to include at least one or more of the end-to-end authentication method, and / or the end-to-end authentication method through a key exchange method, and / or the end-to-end authentication method via an One Time Password (OTP) method, Accordingly, it is possible to apply another end-to-end authentication method in addition to the above-described end-to-end authentication method, whereby the present invention is not limited.

3 is a block diagram of a functional block of the electronic recording apparatus 100 according to the embodiment of the present invention.

More specifically, Figure 3 illustrates a personal computer (PC) having at least one universal serial bus (USB) connector, a USB system program (e.g., a USB drive program, a host driver program) and / or a USB application. And / or an electronic recording device for interfacing to a predetermined USB-compatible device 155 based on a USB communication standard including a sound source output device (eg, a device having a sound source output function configuration corresponding to predetermined sound source data) ( 100 is a block diagram illustrating the functional configuration of the device 100. Specifically, the USB-compatible device 155 and / or a server on a network (for example, a web server that sells (or provides) sound source data including copyright information on a network) and And / or predetermined copyright from a terminal (e.g., a terminal exchanging (or providing) sound source data including copyright information via a network) In the case where the sound source data including the beam is recorded in the memory 140 included in the electronic recording apparatus 100, the sound source data is checked whether the copyright information is included in the sound source data, and the attribute of the sound source data whose copyright information is confirmed is checked. The configuration of the preferred function of the electronic recording apparatus 100 forcibly set and managed as read only / hidden is shown.

Persons of ordinary skill in the art to which the present invention pertains can refer to and / or modify this drawing 3 to perform electronic recording device forcibly setting and managing the attribute of sound source data whose copyright information has been confirmed as read-only / hidden. Various implementation methods for the functional configuration of 100 may be inferred, but the present invention includes all the implementation methods inferred above and is not limited by the implementation method shown in FIG.

That is, FIG. 3 is a predetermined sound source by connecting the electronic record device 100 to a predetermined USB-compatible device 155 and a USB communication standard by firmware provided in the electronic record device 100 shown in FIG. Shows a characteristic functional configuration that plays back and / or utilizes a predetermined data storage device, the device configuration of the electronic recording device 100 is a USB connector 135 for convenience of the device shown in FIG. ) And the memory 140 are shown, but the functional configuration of the present invention is not limited to the functional configuration shown in FIG.

For example, the functional configuration of the electronic recording apparatus 100 may include, in addition to the functional configuration shown in FIG. 3, a functional configuration for reproducing sound source data stored in the memory 140 according to the intention of a person skilled in the art, and / or the sound source data. Functional configuration for identifying and processing the DRM may be further included, whereby the present invention is not limited.

Referring to FIG. 3, the electronic recording device 100 includes a USB communication unit 300 for communicating a USB packet between the USB corresponding device 155 and the electronic recording device 100 through the USB connector 135; And a packet processor 315 for processing the USB packet according to the USB communication standard, wherein the USB communication unit 300 corresponds to the USB communication standard and the electronic record. Packet transmitting and receiving unit 305 for transmitting and receiving USB packets between the device 100, and a token packet processing unit 310 for processing the token packet of the USB packet, and / or the packet processing unit 315 The packet extracting unit 320 extracts a predetermined command and / or data from the USB packet received from the USB device 155 to the electronic recording device 100, and the USB device from the electronic recording device 100. Generate a USB packet to send to device 155 It may comprise a packet generator (325).

In addition, the electronic recording apparatus 100 is characterized by comprising a command reading unit 330 for reading and / or interpreting the command extracted by the packet extraction unit 320.

In addition, the electronic recording apparatus 100 writes the data extracted by the packet extracting unit 320 to the memory 140 through the memory input / output unit 355 or through the memory input / output unit 355. And a data processor 340 for extracting predetermined data from the memory 140.

In addition, the electronic recording apparatus 100 may include an address conversion unit 335 for converting a memory address system of the memory into a memory address system provided in the USB device 155.

In addition, the electronic recording apparatus 100 may include a state processing unit 345 which checks and reads a state change of the memory and returns the result to the USB-compatible device 155.

In addition, the electronic recording apparatus 100 is characterized by comprising a memory input and output unit 355 for processing the input and output of the sound source data stored in the memory.

According to the present invention, the electronic recording apparatus 100 interfaces with at least one or more USB connectors 135 and a predetermined USB-compatible device 155 having a USB system program and / or a USB application program based on a USB communication standard. The copyright confirmation unit 370 confirms whether the predetermined copyright information is included in the sound source data stored in the memory, and, if the predetermined copyright is included in the sound source data, the attribute of the sound source data is read-only / hidden. It is characterized by comprising an attribute control unit 365 forcibly set.

In addition, the electronic recording apparatus 100 may control access to the sound source data by a sound source application which is authorized to play the sound source data among application programs included in the USB-compatible device 155, and / or the A memory control unit 350 for controlling an application for a sound source authorized to change a property of sound source data to change a read-only / hidden property of the sound source data; and sound source data controlled and managed through the memory control unit 350. Characterized in that the authentication processing unit 360 for authenticating the application for the sound source to change the read-only / hidden attribute of the.

The packet transceiver 305 receives a predetermined USB packet from the USB-compatible device 155 through the USB connector 135 and / or the USB-compatible device 155 through the USB connector 135. Generate a predetermined USB packet.

Referring to the USB-related standard, the minimum unit of data transmitted and received between the USB compatible device 155 and the electronic recording device 100 is a packet, and the packet is used to create a frame or a transaction.

According to an embodiment of the present invention, the USB packet includes a token packet, a data packet, a handshake packet, and a special packet. It consists of one or more fields.

The main fields included in the USB packet include a SYNC field, a PID (Packet IDentifier) field, an ADDR (ADDRess) field, an ENDP (END Point) field, a data field, and a CRC field. A field for synchronizing a start position, which appears after an IDLE state according to a Non Return to Zero Inverted (NRZI) encoding scheme, and a PID field is located after the SYNC field as a field for identifying a corresponding packet, and an ADDR field is provided for each USB. A field for identifying devices, and an ENDP field for identifying endpoints in each USB device, and a data field is a field for transmitting and receiving data, which can be freely defined within a maximum size of 1023 bytes. The CRC field is a field corresponding to a checksum for authenticating each field included in the packet.

According to an embodiment of the present invention, the USB packet is formed by combining at least one field (eg, SYNC field, PID field, ADDR field, ENDP field, data field, CRC field, etc.).

For example, the token field is a combination of an 8-bit PID field, a 7-bit ADDR field, a 4-bit ENDP field, and a 5-bit CRC5 field, and the data field includes an 8-bit PID field and 1023. It consists of a combination of a data field within bytes and a 16-bit CRC16 field, and the handshake field consists of an 8-bit PID field.

According to the embodiment of the present invention, the packet transceiver 305 is characterized in that the transmission and reception of the data packet and the handshake packet of the USB packets transmitted and received between the USB-compatible device 155 and the electronic recording device 100 Token packets are preferably processed by the token packet processor 310.

According to the exemplary embodiment of the present invention, the data field of the data packet among the USB packets transmitted and received through the packet transceiver 305 may be user defined within a maximum of 1023 bytes, which is a preferred embodiment of the data field of the data packet. Will be described in detail with reference to FIG.

The packet extracting unit 320 extracts a predetermined command and / or data from a data field of a data packet received from the USB device 155 to the electronic recording device 100 through the packet transmitting / receiving unit 305. The command extracted from the data field is provided to the command reading unit 330, and the data extracted from the data field is provided to the data processing unit 340.

The command reading unit 330 reads and interprets a command extracted from a data field of the data packet to determine whether the command requested from the USB device 155 is performed.

If the command is related to the memory, the command reading unit 330 provides the read command to the memory control unit 350, and then the memory control unit 350 according to the memory control function according to the present invention. Perform the above command.

On the other hand, if the command is not related to the memory, the command reading unit 330 provides the read command to each command execution unit (not shown), thereby performing the requested command from the USB-compatible device 155. do.

If a predetermined data is generated (or extracted) to be transmitted from the electronic recording device to the USB device 155 as a result of performing the command, the packet generator 325 includes the generated (or extracted) data. Characterized by generating a predetermined data packet, the packet generation unit 325 transmits the generated data packet to the packet transceiver unit 305 to the USB-compatible device 155.

The data processor 340 may process data extracted from a data field of the data packet according to a purpose, and the data processing may include data received from the USB device 155 in the memory input / output unit ( 355 to record (or store) in the memory.

If the data is related to the memory, the data processor 340 provides the data to the memory controller 350, and then the memory controller 350 issues the command according to the memory control function according to the present invention. Perform.

On the other hand, if the data is not related to the memory, the data processing unit 340 processes the data transmitted from the USB-compatible device 155 by providing the data to each data operation unit (not shown).

The address conversion unit 335 converts the memory address system of the memory controlled by the memory control unit 350 into a memory address system provided in the USB device 155. The corresponding device 155 recognizes the memory provided in the electronic recording device 100 as a storage device provided in the USB compatible device 155.

The state processor 345 checks and reads a state change of the memory, and returns the result to the USB device 155. At this time, the state processor 345 is the memory controller 350. By processing the sound source data stored in the memory controlled by) so as not to be confirmed by the unauthorized application, access to the sound source data by the unauthorized application is blocked.

The application program accessing the sound source data may include checking an attribute of sound source data stored in the memory, and / or reading the sound source data, and / or a fixed read-only / hidden attribute of the sound source data. At least one or more attempts to change is made.

According to the present invention, when the data processor 340 and the memory input / output unit 355 interoperate to record (or store) predetermined data in the memory, the copyright checker 370 records (or stores) the memory. ) Is to determine whether the data is sound source data (and / or digital content) that may include predetermined copyright information.

Here, the method of confirming whether or not the data recorded (or stored) in the memory is sound source data that may include predetermined copyright information may include the extension of the data recorded (or stored) in the memory. A method of confirming whether the recorded (or stored) data is sound source data which may include predetermined copyright information, and / or reading a header of the data recorded (or stored) in the memory And / or at least one of a method of confirming whether the stored data is sound source data that may include predetermined copyright information.

As a result of the checking, if the data recorded (or stored) in the memory is sound source data that may include predetermined copyright information, the copyright verification unit 370 may determine a data structure of the sound source data recorded (or stored) in the memory. Read it to see if the sound source data contains at least one copyright information.

Here, the copyright information includes at least one or more of DRM information, watermark information, and fingerprint information, and at least one copyright information verification algorithm that the copyright verification unit 370 can verify from the sound source data to verify the copyright information It is preferable that it is provided with.

As a result of the checking, if at least one copyright information is included in the sound source data recorded (or stored) in the memory, the copyright verification unit 370 may determine the identified sound source data information (eg, the sound source data file information, And / or location information, etc., in which sound source data is recorded (or stored) on a memory, is provided to the attribute controller 365.

According to the present invention, the property controller 365 forcibly sets (or fixes) the property of the sound source data recorded (or stored) in the memory as read only / hidden property including at least one copyright information. do.

In addition, whenever an event related to sound source data including the copyright information occurs, the property control unit 365 includes a read-only / hidden attribute of the sound source data recorded (or stored) in the memory including the copyright information. If the read-only / hidden attribute is changed to an unauthorized method, it is characterized in that it is immediately restored to the read-only / hidden attribute.

The sound source data read-only / hidden property, forcibly set (or fixed) by the property control unit 365 as a read-only / hidden property, is authenticated to change the property among application programs included in the USB-compatible device 155. It is possible to change only by a sound source application, and in addition, the sound source data information is exposed by another application and / or an operating system of the USB-compatible device 155, and / or read only / hidden of the sound source data. The attribute is not changed, and the read-only / hidden attribute protection and management of the sound source data as described above is performed by the memory controller 350.

That is, even if the memory controller 350 is set to expose a file of a read only / hidden property in a file management program of an operating system included in the USB device 155, the memory controller 350 is fixed to the memory as a read only / hidden property. The sound source data may be controlled so as not to be exposed.

As a result, the general application program and / or the operating system included in the USB device 155 may not identify and / or expose the sound source data related information stored in the memory of the electronic recording device 100, and also read the read data. Randomly extracting and / or changing the sound source data fixed to the dedicated / hidden attribute or changing the read-only / hidden attribute are blocked.

However, the memory control unit 350 restricts the access to the sound source data from the sound source application that is authenticated to reproduce the sound source data stored in the memory by the authentication processing unit 360, and / or The authentication processing unit 360 allows the authorized sound source application to access the sound source data so as to change the read-only / hidden property of the sound source data stored in the memory.

According to the present invention, when a command read by the command reading unit 330 approaches the sound source data (for example, when reproducing sound source data and / or changing a read-only / hidden attribute of the sound source data) The authentication processor 360 performs an authentication procedure for authenticating an access right and / or an attribute change right for the sound source data with respect to the sound source application provided in the USB device 155. When the access right to the sound source data and / or the property change right are authenticated by the authentication processing unit 360, a command related to the sound source data is executed by the memory controller 350, and / or for the sound source An application program can access the sound source data.

According to an exemplary embodiment of the present invention, a sound source application program for reproducing sound source data included in the electronic record apparatus 100 and / or changing a fixed read-only / hide attribute of the sound source data may correspond to the USB. It is preferably the same application provided in the device 155.

According to another exemplary embodiment of the present invention, a sound source application program for reproducing sound source data included in the electronic record apparatus 100 and / or changing a fixed read-only / hidden property of the sound source data may include: It may be different application programs provided in the corresponding device 155, whereby the present invention is not limited.

For example, a sound source application program for reproducing sound source data included in the electronic record apparatus 100 includes only a function of reproducing sound source data provided in the electronic record apparatus 100, and the electronic record apparatus 100 Changing the fixed read-only / hidden property of the provided sound source data may be processed by another sound source program (eg, an application program for recording at least one sound source data in the electronic recording apparatus 100, etc.).

According to another exemplary embodiment of the present invention, a sound source application program for changing a fixed read-only / hidden property of sound source data included in the electronic record apparatus 100 may be provided in the USB compatible device 155, And / or an application program included in a server on a network to which the USB device 155 is connected through a predetermined network, and the present invention is not limited thereto.

For example, an application program provided in a server on a network to change a fixed read-only / hidden property of sound source data included in the electronic record device 100 may be transferred from the server to the electronic record device 100 through the network. The application program may download and store predetermined sound source data.

The authentication processing unit 360 accesses the sound source data or authenticates a sound source application program for changing the read-only / hidden property of the sound source data, which is applied to two or more different devices connected through predetermined communication means. It is characterized in that it comprises at least one or more of the end-to-end authentication method of all kinds possible end-to-end authentication method, the present invention is not limited by a specific end-to-end authentication method.

According to the exemplary embodiment of the present invention, the end-to-end authentication method for authenticating the sound recording application accessing the sound recording data or changing the read-only / hidden attribute of the sound recording data may include an identification code. At least one of end-to-end authentication through exchange, and / or end-to-end authentication through encryption, and / or end-to-end authentication through key exchange, and / or end-to-end authentication through OTP (One Time Password) It is preferable to include one or more, it is possible to apply other end-to-end authentication method in addition to the end-to-end authentication method described above according to the intention of those skilled in the art, whereby the present invention is not limited.

For example, in the end-to-end authentication method through the exchange of identification codes of the end-to-end authentication method, a predetermined identification code is provided in the sound source application, the sound source application to the identification code in the USB communication standard According to the transmission to the electronic record device 100, the authentication processing unit 360 provided in the electronic record device 100 by authenticating the received identification code to authenticate the sound source data access rights of the sound recording application program to be.

In addition, the end-to-end authentication method through the encryption of the end-to-end authentication method, predetermined data (for example, randomly generated random number, predetermined identification code, the sound source for the sound source in the USB device 155) USB communication by encrypting the unique information allocated to the application program, data to be transmitted from the sound source application program to the electronic recording device 100, etc. using an encryption method (and / or an encryption algorithm) promised with the authentication processor 360. When transmitting to the electronic record device 100 according to the standard, the authentication processing unit 360 provided in the electronic record device 100 through the encryption method (and / or encryption algorithm) promised with the sound source application program By authenticating the encrypted data is a method of authenticating the sound data access rights of the sound source application.

In addition, the end-to-end authentication method of the end-to-end authentication method through a key exchange method, generates a predetermined encryption key in the sound source application program, the predetermined data (for example, randomly generated random number through the generated encryption key) A predetermined identification code, unique information assigned to the sound source application by the USB device 155, data to be transmitted from the sound source application to the electronic recording device 100, and the like. When the encryption key and the encrypted data are transmitted to the electronic recording apparatus 100 according to a USB communication standard in response to a key exchange method, the authentication key 360 provided in the electronic recording apparatus 100 performs the encryption key. By authenticating the encrypted data through the authentication method for accessing the sound source data of the sound source application.

In addition, the end-to-end authentication method using the OTP method of the end-to-end authentication method, the electronic recording device 100 generates a predetermined OTP code according to a predetermined OTP generation method in the sound source application program according to the USB communication standard In this case, the authentication processor 360 included in the electronic recording apparatus 100 generates a predetermined OTP authentication code according to the OTP generation method corresponding to the received OTP code, and authenticates the OTP code and the OTP authentication code. This is a method of authenticating the sound data access authority of the sound source application.

According to an embodiment of the present invention, end-to-end authentication method through the exchange of the identification code of the end-to-end authentication method is provided to the USB-compatible device 155 through the USB communication standard for the sound source application program from the electric field sound field device When mounted, it is suitable for simply authenticating the sound source application program, and among the end-to-end authentication method, end-to-end authentication method through encryption, and / or end-to-end authentication method through key exchange method, and / or The end-to-end authentication scheme and the like may be an application program for a sound source provided in the USB-compatible device 155 downloaded and installed from a server on a network to the USB-compatible device 155, and / or a predetermined software distribution package ( For example, the application for the sound source when installed in the USB-compatible device (155) via a software distribution package including a CD-ROM) It would be good for the certification program.

According to an embodiment of the present invention, the authentication processing unit 360 authenticates the sound source application program through an end-to-end authentication method through encryption, in the authentication processing unit 360 through the USB communication standard. When requesting authentication data from a sound source application program included in the USB-compatible device 155, the sound source application program included in the USB device 155 generates (or extracts) predetermined authentication data to generate the USB communication. When transmitting to the electronic record apparatus 100 through the standard, it is preferable that the authentication processing unit 360 includes a step of authenticating the validity of the authentication data.

Here, if the electronic record device 100 is an OTG-based USB device, the authentication processor 360 may directly request authentication data to the USB-compatible device 155, while the electronic record device 100 In the case of a USB target device, the authentication processor 360 may request the authentication data from the USB device 155 in response to a predetermined packet received from the USB device 155.

For example, a predetermined random number is generated in the sound source application program, the generated random number is encrypted using a predetermined encryption method (and / or an encryption algorithm) promised with the electronic recording apparatus 100, and then the plain text is encrypted. A function of generating predetermined authentication data by connecting a random number of a form and the encrypted random number, and the authentication processing unit 360 receives the authentication data and stores the random number of a plain text form included in the authentication data. After encrypting using a predetermined encryption method (and / or encryption algorithm) promised with a sound source application, the sound source application reads the sound by comparing the encrypted random number with an encrypted random number included in the authentication data. If it is equipped with the function to authenticate access to fixed sound source data with private / hidden property, Interstage may perform an authentication process.

For example, in the illustrated end-to-end authentication scheme, if a predetermined encryption scheme (and / or encryption algorithm) exists in advance between the sound source application and the authentication processing unit 360, the authentication processing unit 360 When the authentication data is requested to the sound source application program included in the USB-compatible device 155 through the USB communication standard, a predetermined random number is generated by the sound source application program included in the USB-compatible device 155, and Encrypts the generated random number using the predetermined predetermined encryption method (and / or encryption algorithm), generates the predetermined authentication data by concatenating the plain random number and the encrypted random number, and converts the authentication data into the USB. Transmitting to the electronic recording apparatus 100 according to a communication standard, after which the authentication processing unit 360 is a random number of the plain text form from the authentication data Extracts an encrypted random number, encrypts the plain text random number using a predetermined encryption method (and / or encryption algorithm) promised with the sound source application program, and then encrypts the extracted random number and the encrypted data extracted from the authentication data. By comparing the random numbers, it is possible to authenticate that the sound source application accesses the sound source data fixed with the read-only / hidden attribute.

Alternatively, the authentication processor 360 decrypts the encrypted random number included in the authentication data using a predetermined decryption method (and / or decryption algorithm) promised with the sound source application program, and then decrypts the encrypted random number. By comparing the random number in the form of plain text extracted from the authentication data, the sound source application may authenticate access to sound source data fixed by the read-only / hidden attribute.

Further, for example, in the illustrated end-to-end authentication scheme, there may be a plurality of predetermined encryption schemes (and / or encryption algorithms) between the sound source application and the authentication processing unit 360, in which case the plurality of It is preferable that the number of encryption methods (and / or encryption algorithms) be assigned a predefined index.

At this time, when the authentication processing unit 360 requests authentication data corresponding to a predetermined index from a sound source application program included in the USB-compatible device 155 through the USB communication standard, the USB-compatible device 155 Generates a predetermined random number in the sound source application provided in the, encrypts the generated random number by an encryption method (and / or encryption algorithm) corresponding to the index, and concatenate the random number of the plain text form and the encrypted random number After generating predetermined authentication data, the authentication data is transmitted to the electronic recording apparatus 100 according to the USB communication standard, and then the authentication processing unit 360 is configured to generate a random number of the plain text form from the authentication data. After extracting an encrypted random number, encrypting the plain text random number by an encryption method (and / or encryption algorithm) corresponding to the index, By comparing the encrypted random number extracted from the encrypted random number and the authentication data, to authenticate the access to the data source fixed to the application for the sound source wherein the read-only / hidden.

Alternatively, the authentication processor 360 decrypts the encrypted random number included in the authentication data by a decryption method (and / or decryption algorithm) corresponding to the index, and then extracts the decrypted random number from the decrypted data. By comparing the random number in the form of plain text, the sound source application may authenticate access to the sound source data fixed by the read-only / hidden attribute.

If one of ordinary skill in the art to which the present invention pertains, the identification process is exchanged in the authentication processing unit 360 with reference to the embodiment for authenticating the application for the sound source corresponding to the end-to-end authentication method through encryption. Various embodiments of authenticating the sound source application in response to the end-to-end authentication method through, and / or Various embodiments of authenticating the sound source application in response to the end-to-end authentication method through a key exchange method, and / Alternatively, various embodiments of authenticating the sound source application in response to an end-to-end authentication method using an OTP method may be inferred, and thus a detailed example thereof will be omitted.

According to an exemplary embodiment of the present invention, when the authentication processor 360 authenticates a sound source application program provided in the USB device 155, the sound source application program is fixed to the read-only / hidden attribute. The first time the first sound source data is accessed, and / or when a command corresponding to the sound source data fixed as the read-only / hidden property is first received from the sound source application, it is preferably performed once, and then the authenticated sound source The application for accessing the sound source data can be accessed without an additional authentication procedure. Such an authentication method can be effectively used when the sound source application reproduces the sound source data.

According to another exemplary embodiment of the present invention, when the authentication processing unit 360 authenticates a sound source application program included in the USB device 155, the sound source application program uses the read-only / hidden attribute. When a command corresponding to the fixed sound source data is first accessed, and / or the sound source data is fixed as the read-only / hidden attribute from the sound source application for the first time, the fixed sound of the sound source data is first performed. In the case of changing the read-only / hidden attribute and / or additionally recording predetermined sound source data in the memory, it is preferable to selectively perform further, and the present invention is not limited thereby.

According to another exemplary embodiment of the present invention, when the authentication processor 360 authenticates a sound recording application provided in the USB device 155, the read only / hidden attribute of the sound recording application. When the sound source data is fixed, and / or a command corresponding to the sound source data fixed as the read-only / hidden property is received from the sound source application, it is preferably repeatedly performed. This is not limited.

The memory input / output unit 355 processes a command for inputting / outputting sound source data and / or general data stored in the memory based on a memory property control function of the memory control unit 350. It is preferable to be processed corresponding to the memory configuration.

For example, when the memory is a NAND memory, the memory module includes eight input / output pins (I / O0, I / O1, I / O2, ..., I / O7) (e.g., pins constituting a data bus), Command Latch Enable (CLE) Pin, Address Latch Enable (ALE) Pin, Chip Enable (CE) Pin, Read Enable (RE) Pin, Write Enable (WE) Pin, Write Protect (WP) Pin, R / B (Ready / Busy) pin, etc., the memory input / output unit 355 controls the pin configuration of the memory module based on the memory attribute control function of the memory controller 350, thereby providing data input / output commands (eg, READ1, READ2). , READ ID, etc.), and / or RESET command, and / or PROGRAM PAGE, and / or BLOCK ERASE, and / or READ STATUS. Thereby extracting predetermined sound source data from the memory, and / or writing predetermined sound source data in the memory, and / or It is possible to change the properties of the sound source data stored in the memory.

4A and 4B illustrate an embodiment of controlling a read-only / hidden property of sound source data stored in a memory of the electronic recording apparatus 100 according to an exemplary embodiment of the present invention.

In more detail, FIGS. 4A and 4B are read-only / read attributes of the sound source data stored in the memory of the electronic record apparatus 100 by the attribute control unit 365 of the electronic record apparatus 100 shown in FIG. After forcibly setting (or fixing) to the hidden property, the memory controller 350 controls to be changed only by an application for a sound source authorized to change the property among application programs included in the USB-compatible device 155. Specifically, FIG. 4A illustrates an embodiment of controlling a read-only / hidden attribute of the sound source data based on an address system of the memory, and FIG. 4B illustrates a case where the memory is a NAND memory. An example of controlling a read only / hidden attribute of the sound source data based on a block and a page is illustrated.

4A and 4B illustrate a concept of controlling a read-only / hidden property of sound source data stored in the memory to a person of ordinary skill in the art. The method of controlling the read-only / hidden property of the sound source data actually stored in the memory is not limited to the embodiment illustrated in FIGS. 4A and 4B.

In general, although the actual memory size of the electronic recording apparatus 100 is in MB and / or GB, it is assumed in FIGS. 4A and 4B that the memory size is 64 KB for convenience of description.

4A and 4B, a root area of the memory (eg, memory address 0x0000 and / or block 0) includes a file root directory information storage area and / or a file allocation table; FAT) storage area, and / or a storage area including at least one or more system information storage area, and / or bad block information storage area, the root area does not belong to the data storage area in which the sound source data is stored.

According to an embodiment of the present invention, the file allocation table (FAT) storage area of the root area manages an attribute of data stored in the data storage area, and the property control unit 365 stores the file allocation table (FAT). Force (or fix) the attribute of the sound source data including at least one copyright information on the data storage area to read-only / hidden, and forcibly set (or fix) the read-only / hidden to the sound source data The property of is protected and maintained by the memory control unit 350.

According to another embodiment of the present invention, the memory is a separate extended file allocation table (Extended FAT) for forcibly fixing the attribute of the sound source data to read only / hidden in addition to the file allocation table (FAT) storage area of the root area ) May further include a storage area (not shown), and the attribute controller 365 may store the extended file allocation table (E-FAT) storage area (for example, the USB corresponding device 155 without performing an authentication procedure). Even if the read-only / hidden attribute of the sound source data is changed through a file allocation table (FAT) storage area, the attribute of the sound source data is first referred to as read-only / hidden in the electronic recording apparatus 100, and the changed file File allocation table storage to force-restore the attributes of the allocation table (FAT) storage to read-only / hidden) Force (or fix) an attribute of the sound source data including one or more copyright information to read only / hidden, and the attribute of the sound source data forcibly set (or fix) to the read only / hidden is the memory controller 350. It is characterized by being protected and maintained by.

According to another exemplary embodiment of the present invention, the file system of the memory may be a file system other than a file allocation table (FAT), and thus the present invention is not limited thereto.

Alternatively, the file system itself may be omitted in the memory. In this case, the attribute controller 365 may read-only the attribute of the sound source data through an independent file system of the extended file allocation table (E-FAT) concept. It is possible to force fixation by hiding / hiding.

5 illustrates a data packet structure for memory identification and data writing, reading and erasing according to an embodiment of the present invention.

In more detail, FIG. 5 illustrates a preferred embodiment of a data packet structure including predetermined commands and / or data among USB packets transmitted and received between the USB-compatible device 155 and the electronic recording device 100. Those skilled in the art may infer various types of data packets transmitted and received between the USB-compatible device 155 and the electronic recording device 100 by referring to and / or modifying the drawing 5. It will be appreciated that the present invention encompasses all of the inferred implementation methods and is not limited to the implementation method illustrated in FIG.

5A and 5B illustrate an embodiment of a structure of a data packet related to memory identification, wherein the USB device 155 includes memory identification request data including a PID, a memory identification request command (CMD), and a CRC as shown in FIG. 5A. When the packet is transmitted to the electronic recording apparatus 100, the electronic recording apparatus 100 reads the memory identification request command CMD and performs a memory identification procedure corresponding thereto. A memory identification reproduction data packet including an identification reproduction command (CMD), a memory size, an erase unit size (EUS) of the memory, and a CRC is generated and transmitted to the USB-compatible device 155.

5C and 5D illustrate a data packet structure related to data writing to a memory. In the USB device 155, a PID, a write request command (CMD), an address (ADDR), and a length (LEN) are shown in FIG. 5C. ), When the recording request data packet including the data DATA and the CRC is transmitted to the electronic recording apparatus 100, the electronic recording apparatus 100 transmits the recording request command CMD and the address to which the data is to be recorded. ) Is written (or stored) to the address ADDR.

Thereafter, the electronic recording apparatus 100 (for example, the copyright confirmation unit 370) checks whether the data DATA is the sound source data or the general data.

If the data DATA is the sound source data, the electronic recording apparatus 100 (eg, the copyright confirmation unit 370) checks whether at least one copyright information is included in the sound source data.

If at least one copyright information is included in the sound source data, the electronic recording apparatus 100 (for example, the attribute setting unit) forces (or fixes) the attribute of the sound source data to a read-only / hidden attribute. ) Process.

On the other hand, if the data DATA is not the sound source data (eg, normal data), the electronic record apparatus 100 stores the data DATA at the address ADDR.

After the process of storing the data DATA is completed, the electronic recording apparatus 100, as shown in Fig. 5d, the PID, the recording status command CMD, the address ADDR, the length LEN, the recording status STATUS, A record state data packet including a CRC is generated and transmitted to the USB device 155.

Here, the recording request command CMD and the recording status command CMD may be distinguished to identify whether the data DATA is sound source data or general data.

5E and 5F illustrate a data packet structure related to reading data into a memory. In the USB device 155, PID, read request command (CMD), address (ADDR), and CRC, as shown in FIG. When the read request data packet including the read request data packet is transmitted to the electronic recording apparatus 100, the electronic recording apparatus 100 reads the read request command CMD and the address ADDR to which data is to be read, and then reads the read request data packet. Check whether the data is sound source data or normal data.

If the data DATA to be read is sound source data, the electronic recording apparatus 100 authenticates a sound source application program that has transmitted the data packet, and stores the data DATA according to the authentication result. Read and extract from address ADDR to process sound source data.

On the other hand, if the data DATA to be read is general data, the electronic recording apparatus 100 reads and extracts the data DATA from the address ADDR of the memory.

After the process of reading (or extracting) the data DATA is completed, the electronic recording apparatus 100 performs the PID, the read status command (CMD), the address (ADDR) and the read (or extract) as shown in FIG. 5F. A read status data packet including a data length LEN and a status and the read (or extracted) data DATA and a CRC is generated and transmitted to the USB-compatible device 155.

5G and 5H illustrate a data packet structure related to data deletion in a memory. In the USB device 155, PID, an erase request command (CMD), an address (ADDR), and a CRC, as shown in FIG. When the erase request data packet including the erase request data packet is transmitted to the electronic recording apparatus 100, the electronic recording apparatus 100 reads the erase request command CMD and the address ADDR to which data is to be erased. Check whether the data is sound source data or normal data.

If the data DATA to be erased is sound source data, the electronic recording apparatus 100 authenticates a sound source application program that has transmitted the data packet, and stores the data DATA in memory according to the authentication result. Delete from address ADDR.

On the other hand, if the data DATA to be read is general data, the electronic recording apparatus 100 deletes the data DATA from the address ADDR of the memory.

After the data deletion process is completed, the electronic recording apparatus 100 transmits an erase state data packet including a PID, an erase state command (CMD), an address (ADDR), a state (STATUS), and a CRC as shown in FIG. 5H. It generates and transmits to the USB-compatible device 155.

6 is a diagram illustrating an initialization process of the electronic recording apparatus 100 according to an exemplary embodiment of the present invention.

In more detail, FIG. 6 illustrates a predetermined USB terminal device and / or a server on a network (eg, a web server for selling (or providing) sound source data including copyright information on a network) and / or a terminal (eg, via a network). Force (or fix) the property of the sound source data provided from the terminal for exchanging (or providing) the sound source data including copyright information to be recorded (or stored) in the memory of the electronic recording apparatus 100 as read only / hidden. And initializing the electronic recording device 100 so that only the authorized sound source application program among the application programs provided in the USB device 155 accesses the sound source data fixed by the read-only / hidden attribute. As for the preferred method for the process, those skilled in the art to which the present invention pertains, refer to this figure and / or Although various embodiments of the method for initializing the electronic recording apparatus 100 may be inferred by modification, the present invention includes all of the inferred implementation methods and is not limited to the implementation method illustrated in FIG.

Referring to FIG. 6, the initialization process of the electronic recording apparatus 100 may be performed by connecting the electronic recording apparatus 100 to a predetermined USB compatible device 155 through a predetermined USB connector 135. It begins by supplying a predetermined power to 100 (600).

If a predetermined battery is provided in the electronic recording apparatus 100 according to another exemplary embodiment of the present invention, the initialization process of the electronic recording apparatus 100 may be performed from the battery to a controller of the electronic recording apparatus 100. It may be disclosed by supplying power, and the present invention is not limited thereby.

When power is supplied to the electronic recording apparatus 100 as described above, the electronic recording apparatus 100 initializes the information of the driver module, and generates an internal task and a synchronization object, driver initialization, controller and At least one initialization process including initializing various registers of a related hardware, registering a priority processing routine, or registering a callback routine is performed. During the initialization process, the electronic recording apparatus 100 performs the present invention. In step 605, the memory control function is included in the processing routine.

If the above initialization process is completed (610), the electronic recording apparatus 100 sets a memory control function included in a priority processing routine in the initialization process (615).

According to the present invention, the memory control function set as the priority processing routine includes at least one copyright information when the predetermined data is recorded (or stored) in the memory provided in the electronic recording apparatus 100. Characterized in that it comprises a function that checks whether the sound source data.

The memory control function set as the priority processing routine may include a function of checking whether at least one copyright information is included in the sound source data when the data recorded (or stored) in the memory is the sound source data. It is characterized by.

The memory control function set as the priority processing routine may include a function of forcing (or fixing) an attribute of sound source data recorded (or stored) in the memory as a read-only / hidden attribute including at least one copyright information. It is characterized by comprising.

In addition, the memory control function set as the priority processing routine may be selectively accessed by a sound source application in which the access right and / or the property change right to the sound source data stored in the memory are fixed as read only / hidden attributes, or authenticated. And / or a function for authenticating to change the attribute.

The memory control function set as the priority processing routine detects sound source data among data previously stored in the memory, and if at least one sound source data is detected, at least one copyright information is included in the sound source data. Check whether the sound source data includes at least one copyright information, and if the property of the sound source data including the copyright information is set (or fixed) as a read-only / hidden property, If the attribute of the sound source data including the copyright information is not set (or fixed) as a read-only / hidden attribute, the method further includes a function of forcing (or fixing) the attribute of the sound source data as a read-only / hidden attribute. It is preferable to make it.

If the setting of the memory control function is completed (620), the electronic recording device 100 performs a connection notification procedure to the USB-compatible device 155 through the USB connector 135 (625). The USB compatible device 155 performs a procedure of recognizing the electronic recording device 100 as a USB device corresponding to the USB communication standard (630).

7 is a diagram illustrating a process of recording (or storing) sound source data in the electronic recording apparatus 100 according to an exemplary embodiment of the present invention.

In more detail, FIG. 7 illustrates copyright of the sound source data when recording (or storing) sound source data provided from a server and / or a terminal on a predetermined USB terminal device and / or a network in the memory of the electronic recording device 100. The present invention relates to a method of forcibly setting (or fixing) the property of the sound source data to read-only / hidden if the information is included and the copyright information is included in the sound source data. Those skilled in the art to which the present invention pertains, various implementation methods for recording (or storing) sound source data including copyright information in the electronic recording apparatus 100 by referring to and / or modifying the drawing 6. It may be inferred that, but the present invention includes all the inferred implementation method, and is not limited to the implementation method shown in FIG. Should you.

Referring to FIG. 7, the USB-compatible device 155 is a server on a network (eg, a web server for selling (or providing) sound source data including copyright information on a network) and / or a terminal (eg, copyright through a network). Purchase and / or exchange at least one sound source data including copyright information from a terminal for exchanging (or providing) sound source data including information (700), and downloading the downloaded sound source data into predetermined record request data Including a packet to transmit to the electronic record device 100 through the USB communication, request to record (or store) in the memory provided in the electronic record device 100 (705), the electronic record device 100 ) Extracts sound source data included in the data packet received from the USB device 155 and records (or stores) the sound source data in the memory (710).

According to another exemplary embodiment of the present invention, the process of recording (or storing) the sound source data in the electronic recording apparatus 100 includes at least one copyright information and is pre-stored in the USB compatible device 155. Requesting at least one sound source data to be recorded (or stored) in a memory provided in the electronic record apparatus 100, and recording the sound source data in the memory in response to the request by the electronic record apparatus 100 ( Or storage), whereby the present invention is not limited.

According to another exemplary embodiment of the present invention, the recording (or storing) the sound source data in the electronic recording apparatus 100 may include the sound source from the server and / or the terminal on the network to the USB device 155. Request to record (or store) directly into the memory provided in the electronic recording device 100 via the USB-compatible device 155 without downloading data (for example, the sound source from the USB-compatible device 155). When the download location of the data is set to the memory of the electronic recording device 100), the electronic recording device 100 may record (or store) the sound source data in the memory in response to the request. Thereby, this invention is not limited.

According to an embodiment of the present invention, the process of recording (or storing) the sound source data in a memory provided in the electronic recording apparatus 100 is performed through at least one data packet exchange process, thereby limiting the present invention. Not.

In addition, in the process of recording (or storing) the sound source data in a memory provided in the electronic record apparatus 100, the electronic record apparatus 100 may determine whether the data recorded (or stored) is sound source data, or general data. I don't know if it's data.

Therefore, when the recording (or storing) of the sound source data in the memory of the electronic recording apparatus 100 is completed (715), the electronic recording apparatus 100 has at least one data recorded (or stored) in the memory. It is checked whether the sound source data may include the above copyright information or general data (720).

If the data recorded (or stored) in the memory is not the sound source data (725), the electronic recording apparatus 100 records corresponding to the recording request data packet received from the USB-compatible device 155. A state data packet is generated and transmitted to the USB device 155 (745).

On the contrary, if the data recorded (or stored) in the memory is the sound source data (725), the electronic recording apparatus 100 includes at least one copyright information in the sound source data recorded (or stored) in the memory. Check if it is (730).

If the copyright information is not included in the sound source data recorded (or stored) in the memory as a result of the checking (735), the electronic recording apparatus 100 is applied to the record request data packet received from the USB-compatible device 155. A corresponding recording state data packet is generated and transmitted to the USB-compatible device 155 (745).

On the other hand, if the verification result includes at least one copyright information in the sound source data recorded (or stored) in the memory (735), the electronic recording apparatus 100 reads only the attribute of the sound source data including the copyright information. After a forced setting (or fixing) to the / hidden attribute (740), a recording state data packet corresponding to the recording request data packet received from the USB-compatible device 155 is generated and transmitted to the USB-compatible device 155. (745).

8 is a diagram illustrating a data packet structure for authenticating an application for a sound source according to an exemplary embodiment of the present invention.

In more detail, FIG. 8 illustrates a preferred embodiment of a data packet structure for authenticating a sound source application program included in the USB-compatible device 155 among USB packets transmitted and received between the USB-compatible device 155 and the electronic recording device 100. As an example, a person having ordinary skill in the art to which the present invention pertains may refer to and / or modify this drawing 8 to variously authenticate a sound source application provided in the USB-compatible device 155. It is possible to infer a data packet of a form, but the present invention includes all the inferred implementation methods, and is not limited to the implementation method shown in FIG.

Referring to FIG. 8, when the USB-compatible device 155 wants to access sound source data fixedly stored as a read-only / hidden property in a memory of the electronic recording device 100, the electronic recording device 100 is illustrated. An authentication request data packet including a PID, an authentication request command (CMD), and a CRC is transmitted to the USB-compatible device 155 as shown in 8a, and the USB-compatible device 155 is configured to perform predetermined authentication in response to the authentication request. Generate (or extract) the data ADATA, and send the authentication request data packet including the PID and the authentication request command (CMD) and the generated (or extracted) authentication data (ADATA) and CRC as shown in FIG. The electronic record device 100 performs a predetermined authentication procedure corresponding to the authentication data ADATA in response to the authentication request.

After the above authentication process is performed, the electronic recording apparatus 100 generates a predetermined authentication result (ASTATUS), and the PID and the authentication result command (CMD) and the generated authentication result (ASTATUS) as shown in FIG. 8C. And generating an authentication result data packet including a CRC and transmitting the packet to the USB device 155.

According to the exemplary embodiment of the present invention, when the validity of the authentication data ADATA is authenticated, the USB-compatible device 155 is fixed to the memory of the electronic recording device 100 with a read-only / hidden property and is stored. The data is accessible.

9 is a view showing an operation process of the electronic recording apparatus 100 according to an embodiment of the present invention.

In more detail, in FIG. 9, only the authorized sound source application program among the application programs provided in the predetermined USB-compatible device 155 to protect the copyright of the sound source data stored in the memory of the electronic record apparatus 100 is read. As a preferred embodiment of the operation process of the electronic recording device 100 to access the sound source data forcibly fixed with a dedicated / hidden attribute, if the person skilled in the art to which the present invention belongs 9 may be inferred from various implementation methods for the operation process of the electronic recording device 100 by referring to and / or modified, but the present invention includes all the inferred implementation methods, and is shown in FIG. It is not limited to the method.

Referring to FIG. 9, the operation process of the electronic recording apparatus 100 is performed after the initialization process of the electronic recording apparatus 100 as shown in FIG. 6 is performed. Is initiated by the transmission of a predetermined memory-related data packet (900).

When a predetermined memory-related data packet is transmitted from the USB-compatible device 155, the electronic recording device 100 reads the received data packet to determine whether a command corresponding to the data packet is targeted for the sound source data ( For example, it corresponds to recording and / or reading and / or erasing of the sound source data.

If the read result indicates that the command corresponding to the data packet does not target the sound source data (e.g., corresponds to recording and / or reading and / or erasing of the general data) 910, the electronic recording apparatus 100 Performs a command corresponding to the received data packet (915), generates a predetermined data packet including a result of performing a command corresponding to the received data packet (920), and converts the generated data packet into the The USB connector 135 transmits the data to the USB device 155 through the USB connector 135 (925).

On the other hand, if the readout command corresponding to the data packet targets the memory area storing the sound source data (for example, accessing the memory area storing the sound source data) (910), the electronic recording apparatus 100 After buffering and / or temporarily storing the received data packet (930), the USB-compatible device 155 (e.g., a sound source application program transmitting the data packet from the USB-compatible device 155). A data packet requesting predetermined sound source application program authentication data is generated and transmitted (935).

Thereafter, the USB-compatible device 155 (for example, the sound source application program that has transmitted the data packet from the USB-compatible device 155) generates application sound authentication data for the sound source in response to the authentication data request. The electronic recording apparatus 100 transmits the information to the electronic recording apparatus 100 (940), and the electronic recording apparatus 100 confirms the validity of the application authentication data for the sound source (945).

According to the method of the present invention, the sound source application authentication data, the sound source application authentication data through the identification code exchange, and / or the sound source application authentication data through encryption, and / or through a key exchange method It is preferable to include at least one or more of the sound source application authentication data, and / or the sound source application authentication data through the One Time Password (OTP) method, the present invention is limited by the specific sound source application authentication data Not.

If the validity of the sound source application authentication data is not authenticated (950), the electronic recording apparatus 100 deletes the buffering and / or temporarily stored data packet and includes a data packet including a predetermined authentication error result. Generate (955), and transmit the generated data packet to the USB-compatible device (155) via the USB connector (135). As a result, copyright of the sound source data stored in the electronic recording apparatus 100 is protected.

On the other hand, if the validity of the application authentication data for the sound source is authenticated (950), the electronic recording device 100 performs a command corresponding to the buffered and / or temporarily stored data packet (960), the data packet Generate a predetermined data packet including a result of corresponding command execution (965), and transmit the generated data packet to the USB-compatible device (155) via the USB connector (135). As a result, copyright of the sound source data stored in the electronic recording apparatus 100 is protected.

For example, if the command corresponding to the buffering and / or temporarily stored data packet is to read (or extract) sound source data stored in the memory as a read only / hidden attribute, the electronic recording apparatus 100 may read only from the memory. The sound source data stored in the / hidden attribute is extracted and transmitted to the USB-compatible device 155, and a sound source application program included in the USB-compatible device 155 may play the sound data.

10 is a diagram illustrating an operation process of the electronic recording apparatus 100 according to another exemplary embodiment of the present invention.

In more detail, in FIG. 10, only an authorized sound source application program among application programs included in a predetermined USB-compatible device 155 to protect copyright of sound source data stored in the memory of the electronic record apparatus 100 is stored in the memory. As a preferred embodiment of the operation process of the electronic recording device 100 to change the read-only / hidden attribute of the sound source data stored in the present invention, those skilled in the art, this figure 10 By referring to and / or modified may be inferred various implementation methods for the operation process of the electronic recording device 100, the present invention includes all the inferred implementation method, shown in Figure 10 It is not limited to this.

Referring to FIG. 10, after the initialization process of the electronic recording apparatus 100 as shown in FIG. 6 is performed, the operation of the electronic recording apparatus 100 may be performed from the USB-compatible device 155. Is initiated by transmitting a predetermined memory-related data packet (1000).

When a predetermined memory related data packet is transmitted from the USB device 155, the electronic recording device 100 reads the received data packet so that a command corresponding to the data packet is read-only / hidden of the sound source data. Confirm that the property is changed (1005).

If the readout command corresponding to the data packet does not change the read-only / hidden attribute of the sound source data (1010), the electronic recording apparatus 100 executes the command corresponding to the received data packet ( In operation 1015, a predetermined data packet including a result of performing a command corresponding to the received data packet is generated (1020), and the generated data packet is transmitted to the USB corresponding device 155 through the USB connector 135. Transmit (1025).

On the other hand, if the command corresponding to the data packet changes the read-only / hidden attribute of the sound source data (1010), the electronic recording device 100 is connected to the USB device 155 (eg, the USB device). In operation 155, a data packet for requesting predetermined sound source application authentication data is generated and transmitted to the sound source application program that transmitted the data packet (S30).

Thereafter, the USB-compatible device 155 (for example, the sound source application program that has transmitted the data packet from the USB-compatible device 155) generates application sound authentication data for the sound source in response to the authentication data request. The electronic record apparatus 100 transmits the information to the electronic record apparatus 100 (1035), and the electronic record apparatus 100 checks the validity of the application authentication data for the sound source (1040).

According to the method of the present invention, the sound source application authentication data, the sound source application authentication data through the identification code exchange, and / or the sound source application authentication data through encryption, and / or through a key exchange method It is preferable to include at least one or more of the sound source application authentication data, and / or the sound source application authentication data through the One Time Password (OTP) method, the present invention is limited by the specific sound source application authentication data Not.

If the validity of the sound source application authentication data is not authenticated (1045), the electronic recording apparatus 100 generates a data packet including a predetermined authentication error result (1050), and the generated data packet Is transmitted to the USB-compatible device 155 through the USB connector 135 (1065). As a result, copyright of the sound source data stored in the electronic recording apparatus 100 is protected.

On the other hand, if the validity of the application authentication data for the sound source is authenticated (1045), the electronic recording apparatus 100 changes the read-only / hidden attribute of the sound source data in response to the command included in the data packet (1055). Generates a predetermined data packet including a result of performing a command corresponding to the data packet (1060), transmits the generated data packet to the USB corresponding device 155 through the USB connector 135 (1065) ). As a result, copyright of the sound source data stored in the electronic recording apparatus 100 is protected.

According to the present invention, the sound recording data including predetermined copyright information among the data stored in the memory in the electronic recording apparatus is checked, and the sound recording data including the copyright information is forcibly set (fixed) as a read-only / hidden attribute. In addition, there is an advantage of automatically protecting the copyright of the sound source data stored in the electronic record, including predetermined copyright information.

According to the present invention, by controlling access to the sound recording data stored in the memory of the electronic record as a read-only / hidden attribute access only the application program, the advantage of protecting the copyright of the sound recording data stored in the electronic record to a reliable level There is this.

According to the present invention, the attribute of the sound source data stored as read only / hidden attributes in the memory of the electronic record is controlled so that only an application program for which a predetermined property change authority is authorized is accessed, thereby trusting the copyright of the sound source data stored in the electronic record. There is an advantage to protection

According to the present invention, by controlling the property of the sound source data stored in the memory of the electronic record as the read-only / hidden attribute is not changed by the operating system of the sound source output device for reproducing the sound source data stored in the electronic record, stored in the electronic record There is an advantage of protecting the copyright of the sound source data to a reliable level.

Claims (1)

Confirming, by the predetermined copyright checking means, whether the predetermined copyright information is included in the sound source data stored in the memory storing the predetermined sound source data; Forcing (or fixing) an attribute of the sound source data to a read-only attribute or a hidden attribute when the sound source data includes a predetermined copyright in a predetermined attribute control means; Authenticating an application program accessing the sound source data in a predetermined authentication processing means, or authenticating an application program changing a read-only attribute or a hidden attribute of the sound source data; The predetermined memory control means controls only the application program authenticated by the authentication processing means to access the sound source data, or only the application program authenticated by the authentication processing means changes the read-only attribute or hidden attribute of the sound source data. Controlling to; And processing the sound source data input / output based on a memory attribute control function of the memory control means in a predetermined memory input / output means.

Images