Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
  • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity

Definitions

• the present invention relates to an exclusive flash player apparatus and control method thereof implementing the electronic book (hereinafter, referred to e-book) and game based on the flash file, in which the contents authentication program is applied so as to protect the copyright of the author of the flash file (extension swf), more particularly, to an exclusive flash player apparatus and service method thereof based on the external memory card, in which an identification number (hereinafter, referred to ID) is given to each of the flash player apparatus and the contents authentication program, in which the contents is operated only in the corresponding flash player apparatus, is applied.
• ID an identification number
• the terminal implementing the e-book provides simple contents based on the character and picture
• the exclusive software viewer implementing the e-book is produced and distributed according to venders or products (PC, PDA, e-book etc.) and the contents is encrypted so that the contents may be operated only in the product in which the corresponding viewer is applied.
• PC, PDA, e-book etc. any users having the corresponding viewer can share with the contents together, accordingly the copyright protection for the contents isn't achieved well, and when the contents is produced, a characteristic production algorithm of the contents producing company is applied, and thus, there is a problem that it is difficult to distribute the contents widely.
• the animation implementation by moving picture using the flash file (extension swf) of Macromedia, Inc. is spreading.
• the conventional animation production method is to connect several copies of graphics such as bitmap (BMP, JPG, GIF etc.) and to implement the moving picture, and it takes a long time to produce the moving picture and takes much volume
• the animation based on the flash file takes a little volume by use of the vector method of storing an image in mathematical method, and even though an image is enlarged or reduced without limitation, the pixel of the image isn't broken and the screen quality is very good.
• this flash file has bilateral property and has a function to change the information according to the movement of the mouse, and thus the flash file is used for an user interface based on the animation, a juvenile story and a game, and furthermore, the source is open to the public and the production is standardized, and thus anyone who has the basic knowledge for the graphic can learn the production method of the flash file. That is to say, the flash file is one of the technologies of implementing the moving picture that is made in the easiest method, takes the least volume and shows at the highest speed and is an Internet technology that is most widely used in PC, and the flash player program is distributed to nearly every Web browser and implemented in most of PCs.
• an object of the present invention is to provide a flash player apparatus in which a method of protecting contents copyright is applied and service method thereof.
• Another object of the present invention is to provide the flash player apparatus in which the method of protecting the contents copyright is applied and service method thereof, in which, when an user buys and uses an external memory card, in which the contents that copyright protection is applied are stored, after downloading the contents that copyright protection is applied and user stores the contents to the external memory card and uses the contents, the contents can be used only in the corresponding flash player apparatus legally.
• a signal input device such as a remote control, a mouse and
• a method that a service vendor provides the contents formed in flash file to users doing e-commerce, a service method of the flash player apparatus (100) capable of applying copyright protection to flash files comprising: the step of the user performing the authentication process through Internet Website operated by the service vendor; the step of the user selecting various contents in form of moving picture flash files he or she wants after the authentication process is completed at the above step; and the step of the contents of flash file selected by the user, encrypted to individual type contents or published type contents through cryptographic module so that the contents may be used only in the user' s flash player apparatus (100), and then downloaded through Internet and stored in the memory card (42) or the memory card (42) delivered by home-delivery method and used.
• the service method of the flash player apparatus (100) capable of applying copyright protection to flash files comprising: the step of, when the flash player apparatus (100) is turned on, while the ROM (20) is booted (S102), all kinds of programs stored at the ROM (20) including the flash player operation program and the authentication program for contents protection transmitted to the RAM (50) (S103) ; the step of confirming the external memory card (42) is set in the external memory unit (40) (S104); the step of, when confirming the external memory card (42) is set in the external memory unit (40) , the contents authentication program of the external memory card (42) operated (S106) and confirming whether the system area exists in the external memory card (42) (S107) ; the step of, when the system area exists in the external memory card (42) at the above step (S107), comparing the contents file information written in the system area with the information of the contents file
• Fig. 1 is a configuration diagram of an inner system of a flash player apparatus according to the present invention
• Fig. 2 is a configuration diagram of a service of the process that the contents are encrypted, bought and downloaded through Internet according to the present invention
• Fig. 3 is a flowchart of the method that an user authenticates and uses various contents by using the flash player apparatus according to the present invention
• Fig. 4 is a configuration diagram of a method of using a portable flash player apparatus according to the other embodiment of the present invention by use of a holder
• Fig. 5 is a configuration diagram of the holder according to the present invention.
• Fig. 1 is a diagram showing the configuration of a flash player apparatus (100), which comprises a power source unit (10) supplying the electric power to a system, a ROM (20) stored with a flash player operation program and authentication program for contents protection, a CPU (30) controlling the entire system, an external memory unit (40) equipped with an external memory card (42) and controlling it, a RAM (50) reading the programs in the ROM (20) and the contents of the external memory card (42) in the external memory unit (40), and operating a program, a video output unit (60) connected to a monitor (62) and outputting a video signal, an audio output unit (70) connected to a speaker (72) and outputting an audio signal, a signal input unit (80) inputting and controlling a signal by using a signal input device (82) such as a remote control, a mouse and a keyboard etc., a peripheral device connecting unit (90) connected to various peripheral devices such as a printer.
• a signal input device such as a remote control, a mouse and a keyboard
• the power source unit (10) may be an external power source, an internal battery using lithium ion and lithium polymer etc. for a portability of the flash player apparatus (100) or an adapter of cigar jack type so that the power of vehicles is used when driving.
• the ROM (20) is stored with embedded software OS such as WinCE, Linux, Palm, Symbian and Pocket PC etc. and a flash player program implementing flash file contents based on each OS, further, the ROM (20) is stored with a contents authentication program for a copyright protection of the contents stored in the external memory card (42) and an user interface software.
• the external memory unit (40) is composed of an setting part, in which the external memory card (42) stored with flash files correspondent to the contents is set, and a control part controlling the corresponding memory card, and there are external memory cards (42) such as PCMCIA card, CF card, SC card, MMC card, USB memory card, memory stick, CD and DVD etc.
• the video output unit (60) and a video connecting unit connected to the monitor (62) control the video signal operated by the flash player program so that the signal is converted and output, and there are monitors (62) such as TV, LCD, CRT and VCR etc.
• the audio output unit (70) and an audio connecting unit connected to the speaker (72) control the audio signal operated by the flash player program so that the signal is converted to the signal which is adjusted to the speaker (72), and there are speakers (72) such as an internal speaker (72), an external speaker (72) and an earphone etc..
• the video output unit (60) and the audio output unit (70) of the type that the existing monitor (62) and speaker (72) may be connected to the flash player apparatus (100) for economical system composition.
• the flash player apparatus (100) may be set inside the monitor (62) or the flash player apparatus (100) may be set inside CD player, DVD player, VCR, set top box and MP3 player etc., and then connected to the monitor (62) and speaker (72) and used.
• a portable flash player apparatus (150) (100) as shown in Fig. 4, in which the monitor (62) is LCD that is set inside the flash player apparatus (100) as one body, the speaker (72) is an internal speaker (72) and the power source unit (10) is an internal battery, may be used.
• the signal input unit (80) receives and controls input signal from the signal input device (82) , and a button switch, a touch screen, a key board, a joystick, a mouse and a remote control may by used for the signal input unit (80) .
• the peripheral device connecting unit (90) is formed to transmit and receive data with peripheral devices such as PC, printer, PDA and GPS through peripheral interfaces such as serial, parallel and USB port etc..
• a monitor (62) and a speaker (72) connected outside, not an internal LCD and speaker (72) of the portable flash player apparatus (150) In the mean time, Fig.
• the user connects to Internet Website of the contents service vender using his or her PC and selects the contents he or she wants, and the contents are encrypted via the cryptographic module so that it may be used only in the user's flash player apparatus (100) and downloaded through Internet, and then the contents are stored in the memory card, or the user may receive the memory card by home-delivery service and use it.
• the external memory card (42) is set in the external memory unit (40) of the flash player apparatus (100) and the contents are authenticated by the contents authentication program, and the authenticated contents are decrypted, the flash player apparatus (100) is controlled and the flash player program is operated using the wireless remote control etc. and the video is output through the monitor (62) such as TV etc.
• the speaker (72) may be the speaker (72) set inside the TV, one of the monitors (62), the screen output in the video output unit (60) is captured and may be transmitted to the printer which the peripheral device (102) connected to the flash player apparatus (100) and printed.
• the database server which the service vendor operates and manages is a database material stored with flash file, user information and cryptographic module etc.
• the cryptographic method for protecting the contents through cryptographic module classifies the contents to three types and encrypts them.
• the three types are respectively individual type contents, published type contents and free type contents.
• the cryptographic method of the individual type contents for protecting the copyright is that, when the user connects to Internet Website of the contents service vendor and buys the contents, the ID of the user's flash player apparatus (100) inputted with the user information when registering to Internet Website of the service vendor, becomes a seed and the contents are encrypted to a public key (hereinafter, referred to II key) among cryptogram key (hereinafter, referred to I key) generated by a specific function (hereinafter, referred to
• Make_I_Key (ID) ) made by the asymmetric cryptographic system.
• the ID of the user's flash player apparatus (100) is written as the user ID in the header of the encrypted contents file, and thus, when the external memory card (42) is set in the flash player apparatus (100), firstly, the header of the contents file is sought and the program confirms the corresponding contents are individual type contents and the confirmed contents are implemented through the decrypting process as following.
• the contents authentication program including the above Make_I_Key (ID) function algorithm is stored inside the user's flash player apparatus (100), and thus the individual type contents stored in the external memory card (42) are decrypted using a private key (hereinafter, referred to 12 key) among I keys generated on the basis of the ID of the user's flash player apparatus (100) .
• a private key hereinafter, referred to 12 key
• the contents may not be implemented in other flash player apparatus (100) of which ID is different as well as PC.
• a published type contents in which the contents are usually stored in the external memory card
• the cryptographic contents are made by a public key (hereinafter, referred to PI key) among cryptogram keys (hereinafter, referred to P key) generated by specific function (hereinafter, referred to Make_P_Key (RS) ) by the method of the asymmetric cryptographic system.
• PI key public key
• P key cryptogram keys
• P2 key specific function
• the contents encrypted as above can be decrypted only in the flash player apparatus (100) having the private key (hereinafter, referred to P2 key) and can't be operated in other device such as PC, but the contents can be operated in any flash player apparatus (100) in which the contents are set first.
• the system area which is not accessible in PC and accessible only in the flash player apparatus (100) is formed in the external memory card (42) additionally.
• the system area has the contents file information such as file name, file length, CRC (Cyclic redundancy check) code for checking errors and the information such as seal code, and the contents file information in the system area of the external memory card (42) is compared with the contents file information stored in the external memory card (42) so as to judge the damage and suitability of the contents file.
• the ID of the flash player apparatus (100) using the said external memory card (42) first is stored in the seal code of the system area of the external memory card (42), and thus when the contents of the external memory card (42) are operated, the ID of the flash player apparatus (100) corresponds to the seal code of the system area of the external memory card (42) and the contents are authenticated to the published type contents and operated, accordingly, the contents can't be used in other flash player apparatus (100) having a different ID and the copyright is protected.
• the seal code is different with the ID of the flash player apparatus (100) and the contents can't be authenticated and regenerated.
• This published type contents having the unlimited seal code can be operated in the flash player of all users who lends the contents by legal process as a lent video of general video lending agency or a lent book of the book lending agency, and the published type contents are appropriate for lending, not sale.
• the decryption process of the published type contents is that the published type contents stored in the external memory card (42) is decrypted using P2 key generated by the contents authentication program including Make_P_Key (RS) function algorithm stored in the user's flash player apparatus (100) .
• the free type contents are free contents which don't need the copyright protection.
• the free type contents are downloaded through Internet without encrypting when the user selects the contents or are stored in the external memory card (42) and sent to the user by home- delivery service.
• Fig. 4 is other embodiment of the present invention, the portable flash player apparatus (150), in which the LCD of the monitor (62) is set in the flash player apparatus (100) as one body, the speaker (72) is an internal speaker (72), and the power source is an internal battery, is illustrated, and the portable flash player apparatus (150) can be movable and used anywhere in house without additional monitor (62) such as TV and can be used outdoors.
• the portable flash player apparatus (150) (100) is set in an additional holder which is connected to the TV, one of the monitors (62) and has charging function, and thus whenever seeing the portable flash player through the TV of additional monitor (62), the user can use the portable flash player without the inconvenience of connecting AB cable or an adapter for charging to the TV.
• Fig. 3 is a flowchart of process for managing an operation using all kinds of contents types as mentioned above, firstly, the flash player apparatus (100) is turned on (S101) and the ROM (20) is booted (S102) , and as mentioned in Fig.
• the authentication program authenticating the contents of the external memory card (42) is operated (S106) and asks whether there is additional system area in the external memory card (42) (S107).
• the program confirms whether file name, file length and CRC (Cyclic redundancy check) code of the contents summary information written in the system area correspond to the information of the contents file(S108), in case that the contents summary information written in the system area doesn't correspond to the information of the contents file, the contents are judged as the contents which can't be authenticated (S109) .
• the program reads seal code written in the system area (S110) and confirms whether the corresponding seal code corresponds to the factory default seal code (Sill) .
• the ID of the user's flash player apparatus (100) is written to the seal code in the system area of the external memory card (42)
• the program confirms whether the seal code corresponds to the ID of the user's flash player apparatus (100) (S113) .
• the program confirms whether the seal code corresponds to the unlimited seal code (S114).
• the seal code corresponds to the factory default seal code at the above step (Sill)
• the seal code corresponds to the ID of the flash player apparatus (100) at the above step(S113)
• the seal code corresponds to the unlimited seal code at the above step(S114)
• the contents are authenticated to the published type contents
• the seal code doesn't correspond to one of them, the contents are judged as the contents which can't be authenticated to the corresponding flash player apparatus (100) .
• the program reads the header of the contents file (S116) and confirms whether the user's ID information in the header corresponds to the ID of the flash player apparatus (100) which the user uses (S117), and then in case of corresponding, the contents are authenticated to the individual type contents (S118), and in case of not corresponding, the program confirms the header is general flash file header of the free type contents (S119) .
• the contents are authenticated to the free type contents (S120)
• the contents are judged as the contents which can't be authenticated to the corresponding flash player apparatus (100) (S109) .
• the corresponding list of the contents authenticated to one of the published type contents, the individual type contents and the free type contents is displayed through the monitor (62) connected to the video output unit (60) (S121) .
• the contents are classified according to the contents type (S123) , in case of the published type contents, the decrypting program is operated and decrypts the contents to P2 key (S124), in case of the individual type contents, the decryption program decrypts the contents to 12 key(S125) and in case of the free type contents, the respective contents are stored in the RAM (50) and operated by the flash player program (S127) . Further, the video signal and the audio signal generated through the operation of the flash player program at the above step (S125) is outputted to the monitor (62) and the speaker (72) through the video output unit (60) and the audio output unit (70) (S128) .
• the portable flash player apparatus that the LDC is set inside the flash player apparatus as one body has an advantage that the contents can be implemented anywhere in house and outdoors.
• the flash player apparatus and service method capable of applying copyright protection to flash files according to the present invention having the above advantages can be used for a language study and a game as well as a multimedia juvenile story.

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Citations (4)

• 2003
  • 2003-09-05 KR KR10-2003-0062188A patent/KR100509970B1/ko not_active IP Right Cessation
• 2004
  • 2004-09-02 WO PCT/KR2004/002217 patent/WO2005024694A1/en active Application Filing

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