WO2011090081A1 - Information processing device, program, and recording medium having said program recorded thereon - Google Patents
Information processing device, program, and recording medium having said program recorded thereon Download PDFInfo
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- WO2011090081A1 WO2011090081A1 PCT/JP2011/050885 JP2011050885W WO2011090081A1 WO 2011090081 A1 WO2011090081 A1 WO 2011090081A1 JP 2011050885 W JP2011050885 W JP 2011050885W WO 2011090081 A1 WO2011090081 A1 WO 2011090081A1
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- program
- information
- application data
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/211—Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
- G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
- G11B2220/237—Multilayer discs, i.e. multiple recording layers accessed from the same side having exactly two recording layers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2541—Blu-ray discs; Blue laser DVR discs
Definitions
- the present invention relates to a technique for limiting the storage destination of data created by an application program.
- PCs personal computers
- netbooks small sized notebook PCs called “netbooks” have been released by various manufacturers and have spread to many users.
- These PCs are characterized by the premise of using network resources in order to reduce costs by minimizing CPU processing capacity and storage media capacity and to compensate for these disadvantages.
- the PC instead of using a network storage for storing large data or running a service on a PC instead of running an application on a PC, the PC can be used comfortably even if its capacity as a PC is low.
- Thin Client System There is a system called “Thin Client System” that further advances this concept.
- client system multiple clients are connected to the server, and the client used by the user has only the minimum functions such as input and display, and data created by the application (hereinafter referred to as “application data”).
- application data data created by the application
- Such resources are collectively managed by the server. Therefore, the user can use the same application and application data from different clients, and there is an advantage that it is not necessary to physically carry the computer.
- netbooks and thin client systems are characterized in that a computer that is physically carried can be reduced in size and weight by utilizing resources on the network, or the computer can be carried away. For this reason, naturally, resources such as applications and application data cannot be used in a place without network infrastructure.
- an OS operating system
- an application that can be operated by a general-purpose PC are recorded in the ROM layer of the hybrid disk.
- the OS and applications recorded in the ROM layer of the hybrid disk are activated.
- Data created by the application can be stored in the RE layer of the hybrid disc. Even when the environment setting is changed, the changed content is stored in the RE layer of the hybrid disc.
- the hybrid disk When the hybrid disk is taken out from the PC and inserted into another PC and the other PC is activated, the OS and application recorded in the ROM layer of the hybrid disk are similarly activated. Also, other PCs can read application data and environment settings stored in the RE layer. Thus, the user can use the same application and application data on different PCs by carrying the hybrid disk, and can use it without any problem even in a place without network infrastructure. Further, since it is not necessary to provide an HDD in the PC, it is possible to realize a reduction in size and weight of the PC.
- Patent Document 1 when a hybrid disk is inserted into an optical disk drive and the PC is started, a screen for inputting a password or the like is displayed, and whether the user who uses the hybrid disk is a valid user. A configuration for authenticating whether or not is disclosed. Thereby, the security of the information recorded on the hybrid disc can be enhanced.
- Patent Document 1 when a hybrid disk is used in a PC having an HDD, when a user saves application data in the HDD or the like, application data is stored when a third party uses the PC. May leak.
- the present invention has been made to solve the above problems, and an object thereof is to realize an information processing apparatus that can reduce the risk of leakage of recorded information.
- an information processing apparatus includes a first information recording layer that can only read information, and a first information recording layer that can additionally record information or that can rewrite information.
- An information processing apparatus capable of recording and reproducing with respect to an optical recording medium in which an application program is stored in the first information recording layer, and is created by executing the application program
- the present invention is characterized by comprising storage destination restriction means for restricting the application data storage destination to only the second information recording layer.
- the storage destination of application data is limited only to the second information recording layer by the storage destination restricting means, so that the application data cannot be stored in the HDD of the information processing apparatus or the storage on the network.
- the storage destination restricting means it is possible to prevent information leakage due to the user saving application data in the HDD of the PC, which is particularly suitable when it is desired to always store highly confidential data only on an optical recording medium. It is. Therefore, an information processing apparatus that can reduce the risk of leakage of recorded information can be realized.
- the information processing apparatus includes the first information recording layer that can only read information, and the second information recording layer that can additionally record information or that can rewrite information.
- An information processing apparatus capable of recording and reproducing an optical recording medium in which an application program is stored in the first information recording layer, and storing application data created by executing the application program Since the storage destination restricting means for restricting the destination only to the second information recording layer is provided, there is an effect that the risk of leakage of recorded information can be reduced.
- FIG. 1 is a block diagram showing a configuration of an optical disc device according to a first embodiment of the present invention. It is a figure which shows the structural example of each recording layer of the hybrid disc which concerns on the 1st Embodiment of this invention. It is a figure which shows the window screen for performing the preservation
- (A) is a figure which shows the state which changed the preservation
- (b) is a figure which shows the error screen displayed when a preservation
- Embodiment 1 The following describes the first embodiment of the present invention with reference to FIGS.
- FIG. 1 is a block diagram showing a configuration of an optical disc apparatus (information processing apparatus) 1 according to the present embodiment.
- the optical disc apparatus 1 includes a main body 2, a display 3, and an input device 4.
- the display 3 displays video based on video data output from the main body 2 via the video output unit 7, and for example, a liquid crystal display is preferably used.
- the input device 4 is a device for a user to give an input instruction to the main body 2 via the I / O control unit 8, and for example, a keyboard or a mouse is used.
- the main body 2 includes a Blu-ray disc (BD) drive 5 and an arithmetic processing unit 6.
- the BD drive 5 has a function of reading information from a hybrid disk (optical recording medium) 10 inserted into the main body 2 and recording information on the hybrid disk 10.
- the BD drive 5 is provided with an optical pickup device (not shown). Information is read from and recorded on the hybrid disc 10 by irradiating a track of the hybrid disc 10 with a laser beam from an optical head of the optical pickup device. .
- the hybrid disc 10 includes a ROM layer (first information recording layer) L1 that can only read information, and an RE layer that can additionally record information or can rewrite information. (Second information recording layer) L2. As will be described later, various application programs are recorded in the ROM layer L1, and application data created by the application program is recorded in the RE layer L2.
- the arithmetic processing unit 6 is a functional block having a function of executing an application program stored in a hard disk drive (HDD) (not shown) or an application program recorded in the hybrid disk 10.
- the arithmetic processing unit 6 has a function of giving an instruction to the BD drive 5 to perform playback control and recording control for the hybrid disc 10 via the interface unit 9.
- application data created by the arithmetic processing unit 6 executing the application program recorded on the hybrid disc 10 can be recorded only in the RE layer.
- the arithmetic processing unit 6 includes a storage destination restriction unit (storage destination restriction unit) 61.
- the storage destination restriction unit 61 is a functional block realized by executing a storage destination restriction program stored in an HDD (not shown).
- the storage destination restriction program is a program that is automatically executed when the optical disk device 1 is started.
- the function of the storage destination restriction unit 61 will be specifically described.
- the window screen 20 shown in FIG. 3 is displayed.
- “BD drive (D :)” indicating the RE layer L ⁇ b> 2 of the hybrid disk 10 is displayed by default in a storage destination designation field 21 for designating a storage destination of application data.
- the user can store the created application data in the RE layer L2 of the hybrid disk 10 by designating a desired storage destination, file name, and file type and selecting the “Save” button 22.
- the storage destination restriction unit 61 of the optical disc apparatus 1 may be configured by hardware logic, or may be realized by software using a CPU as follows.
- the optical disc apparatus 1 includes a CPU (central processing unit) that executes instructions of a storage destination restriction program that realizes a storage destination restriction function, a ROM (read only memory) that stores the storage destination restriction program, and the storage destination restriction program. And a storage device (recording medium) such as a memory for storing various data.
- An object of the present invention is a recording medium in which a program code (execution format program, intermediate code program, source program) of a storage destination restriction program of the optical disc apparatus 1 which is software for realizing the above-described functions is recorded so as to be readable by a computer. Can also be achieved by reading the program code recorded on the recording medium and executing it by the computer (or CPU or MPU).
- Examples of the recording medium include tapes such as magnetic tapes and cassette tapes, magnetic disks such as floppy (registered trademark) disks / hard disks, and disks including optical disks such as CD-ROM / MO / MD / DVD / CD-R.
- Card system such as IC card, IC card (including memory card) / optical card, or semiconductor memory system such as mask ROM / EPROM / EEPROM / flash ROM.
- the optical disc apparatus 1 may be configured to be connectable to a communication network, and the program code may be supplied via the communication network.
- the communication network is not particularly limited.
- the Internet intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication network, satellite communication A net or the like is available.
- the transmission medium constituting the communication network is not particularly limited.
- wired such as IEEE 1394, USB, power line carrier, cable TV line, telephone line, ADSL line, etc.
- infrared rays such as IrDA and remote control, Bluetooth (Registered trademark), 802.11 wireless, HDR, mobile phone network, satellite line, terrestrial digital network, and the like can also be used.
- the present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.
- FIG. 5 is a block diagram showing a configuration of the optical disc apparatus 1a according to the present embodiment.
- the optical disc apparatus 1 includes a main body 2a, a display 3, and an input device 4.
- the main body 2 a includes a Blu-ray disc (BD) drive 5 and a host unit 11.
- the configuration of the BD drive 5 is the same as that shown in FIG. 1, but in this embodiment, a hybrid disc 10a is inserted in the BD drive 5 instead of the hybrid disc 10 shown in FIG.
- the hybrid disk 10a includes a ROM layer L1 that can only read information and an RE layer L2 that can additionally record information or that can rewrite information.
- ROM layer L1 in addition to various application programs, an OS that operates on the optical disc apparatus 1a is recorded.
- the host unit 11 also has a function of giving instructions to the BD drive 5 to perform playback control and recording control for the hybrid disc 10a via the interface unit 9, and includes the chipset 12, the system memory 13 and the CPU 14. It has.
- the chip set 12 is a chip on which peripheral circuits of the CPU 14 are mounted.
- the CPU 14 reads data from the hybrid disk 10 a and develops it in the system memory 13, reads in sequence the instruction sequence of the application program recorded on the hybrid disk 10 a in order, and performs arithmetic processing on the data developed in the system memory 13.
- the main body 2a of the optical disc apparatus 1a is not provided with the HDD provided in the general-purpose PC, thereby realizing a reduction in size and weight of the optical disc apparatus 1a.
- application data created by the application program is stored in a predetermined recording area of the hybrid disc 10a.
- FIG. 6 is a diagram showing a configuration example of each recording layer of the hybrid disc 10a.
- the hybrid disk 10a includes the ROM layer L1 that can only read information and the RE layer L2 that can additionally record information or rewrite information.
- the ROM layer L1 is a recording layer that stores the OS and application programs that run on the OS.
- the RE layer is a recording layer that stores application data created by an application program.
- the OS As the OS, WINDOWS (registered trademark), OS / 2, UNIX (registered trademark), LINUX, MS-DOS, Mac-OS, and the like can be used. In this embodiment, WINDOWS (registered trademark) is used. An example will be described.
- the programs constituting the OS include a user authentication program, a storage destination restriction program, and an encryption program.
- the storage destination restriction program is the same as the storage destination restriction program described in the first embodiment.
- the user authentication program includes a user ID and a password for authenticating a user who uses the hybrid disk 10a.
- the user authentication unit user authentication means
- the host unit 11 the CPU 14 reading the user authentication program.
- a screen for inputting the user ID and password is displayed, and when the information input by the user matches the preset authentication information, the CPU 14 reads the OS program from the hybrid disk 10a and the OS. Starts.
- the storage destination restriction program is data for restricting the storage destination of application data to only the RE layer L2. Therefore, since the application data cannot be stored in the HDD or the like by executing the program, it is possible to prevent the user of the hybrid disk 10a from accidentally saving the application data in the HDD or the like and leaking information. .
- the storage destination restriction program since the storage destination restriction program is recorded on the hybrid disc 10a, the storage destination restriction program can be executed even on a PC in which the storage destination restriction program is not installed. Therefore, even if the hybrid disk 10a is stolen by a third party, the third party can move the information recorded on the hybrid disk 10a to another storage medium such as an HDD or a USB memory. Since it becomes impossible, the risk of information leakage can be further reduced.
- the application data is encrypted and saved when the application data saving process is executed. This is realized by the CPU 14 reading the encryption program stored in the ROM layer L1 of the hybrid disk 10a and forming the encryption unit (encryption means) in the host unit 11.
- the CPU 14 reading the encryption program stored in the ROM layer L1 of the hybrid disk 10a and forming the encryption unit (encryption means) in the host unit 11.
- AACS Advanced
- system is used as an encryption system of application data. Since the AACS encryption method is a technology for protecting the copyright of the content of an optical disc such as a Blu-ray disc or DVD, it is suitable for encryption in storing data in the RE layer L2.
- the decryption key for decrypting the encrypted application data may be recorded on the RE layer L2 of the hybrid disk 10a, but may be recorded on a recording medium (for example, a USB memory) different from the hybrid disk 10a. desirable.
- the hybrid disk 10 includes the read-only ROM layer L1 and the rewritable RE layer L2, and the ROM layer L1 includes the OS and an application program that operates on the OS.
- the ROM layer L1 includes the OS and an application program that operates on the OS.
- a storage destination restriction program that restricts the storage destination of application data to only the RE layer L2 is recorded. Therefore, the user can use the hybrid disc 10 in various environments, and can reduce the risk of leakage of information recorded on the hybrid disc 10.
- an encryption program for encrypting application data and storing it in the RE layer L2 is recorded on the hybrid disk 10, even if a third party uses the hybrid disk 10, It is possible to prevent a user from browsing the contents of application data.
- the storage destination restriction program stored in the ROM layer L1 is included in the program constituting the OS, but each application program may include the storage destination restriction program.
- the encryption program may be configured such that each application program includes the encryption program.
- the storage destination restriction program and the encryption program may be independent application programs.
- the storage destination restriction program and the encryption program are preferably stored in the ROM layer L1. Since the ROM layer L1 is a read-only recording layer, falsification of the storage destination restriction program and the encryption program can be prevented.
- the hybrid disk 10 is a multi-layer disk having a two-layer structure, but may have three or more layers as long as it is a multi-layer disk having a ROM layer and an RE layer.
- the information processing apparatus preferably includes an encryption unit that encrypts and stores the application data when the application data storage process is executed.
- the information processing apparatus preferably includes user authentication means for authenticating a user who uses the optical recording medium.
- the program according to the present invention is a program for operating a computer as each means of the information processing apparatus.
- the program is recorded on a computer-readable recording medium.
- the recording medium is the optical recording medium, and the program is preferably stored in the first information recording layer.
- the present invention can be used particularly for an optical disc apparatus capable of recording / reproducing with respect to a hybrid disc having a ROM layer and an RE layer.
- Optical disk device (information processing device) 1a Optical disk device (information processing device) 2 Main unit 2a Main unit 3 Display 4 Input device 5 BD drive 6 Arithmetic processing unit 7 Video output unit 8 I / O control unit 9 Interface unit 10 Hybrid disc (optical recording medium) 10a Hybrid disc (optical recording medium) 11 Host unit 12 Chipset 13 System memory 14 CPU 20 Window screen 30 Error screen 61 Save destination restriction section (Save destination restriction means) L1 ROM layer (first information recording layer) L2 RE layer (second information recording layer)
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Abstract
Description
本発明の第1の実施形態について図1から図4に基づいて説明すれば、以下のとおりである。
The following describes the first embodiment of the present invention with reference to FIGS.
図1は、本実施形態に係る光ディスク装置(情報処理装置)1の構成を示すブロック図である。光ディスク装置1は、本体2、ディスプレイ3および入力デバイス4を備えている。ディスプレイ3は、映像出力部7を介して本体2から出力される映像データに基づいて映像を表示するものであり、例えば、液晶ディスプレイが好適に用いられる。入力デバイス4は、ユーザがI/Oコントロール部8を介して本体2に入力指示を与えるためのデバイスであり、例えば、キーボードやマウスが用いられる。 (Configuration of optical disc apparatus 1)
FIG. 1 is a block diagram showing a configuration of an optical disc apparatus (information processing apparatus) 1 according to the present embodiment. The
まず、光ディスク装置1を起動すると、HDDに格納されたOSの起動とともに、保存先制限プログラムが実行され、演算処理部6に保存先制限部61が形成される。続いて、ハイブリッドディスク10をBDドライブ5に挿入し、入力デバイス4からの指示等によりハイブリッドディスク10に記録されているアプリケーションプログラムのいずれかを実行すると、実行されたアプリケーションプログラムが、ハイブリッドディスク10から図示しないメモリに読み出される。続いて、ユーザの入力操作によりアプリケーションプログラムデータが作成され、アプリケーションデータの保存指示がなされると、保存先制限部61は、操作中のアプリケーションプログラムが、ハイブリッドディスク10からメモリに読み出されることにより実行されているプログラムであるか否かを判定する。 (Application data storage destination restriction)
First, when the
このように、保存先制限部61によって、アプリケーションデータの保存先が、RE層L2のみに制限されているため、アプリケーションデータをHDD等に格納することができなくなっている。したがって、ハイブリッドディスク10のユーザが、誤ってHDD等にアプリケーションデータを保存して情報が漏洩することを防止できる。 (Summary)
As described above, since the storage destination of the application data is restricted only to the RE layer L2 by the storage
本発明の第2の実施形態について図5および図6に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、実施形態1にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。 [Embodiment 2]
The second embodiment of the present invention will be described below with reference to FIGS. For convenience of explanation, members having the same functions as those described in the first embodiment are denoted by the same reference numerals and description thereof is omitted.
図5は、本実施形態に係る光ディスク装置1aの構成を示すブロック図である。光ディスク装置1は、本体2a、ディスプレイ3および入力デバイス4を備えている。本体2aは、ブルーレイディスク(BD)ドライブ5およびホストユニット11を備えている。BDドライブ5の構成は、図1に示すものと同一であるが、本実施形態では、図1に示すハイブリッドディスク10の代わりにハイブリッドディスク10aがBDドライブ5に挿入されている。 (Configuration of optical disc apparatus 1a)
FIG. 5 is a block diagram showing a configuration of the optical disc apparatus 1a according to the present embodiment. The
続いて、ハイブリッドディスク10aの構成について説明する。 (Configuration of hybrid disk 10a)
Next, the configuration of the hybrid disk 10a will be described.
ユーザ認証プログラムは、ハイブリッドディスク10aを使用するユーザを認証するためのユーザIDやパスワード等を含んでいる。ハイブリッドディスク10aを本体2に挿入すると、CPU14がユーザ認証プログラムを読み込むことにより、ユーザ認証部(ユーザ認証手段)がホストユニット11に形成される。これにより、ユーザIDやパスワードを入力するための画面が表示され、ユーザによって入力された情報とあらかじめ設定されている認証情報とが一致した場合に、CPU14がハイブリッドディスク10aからOSプログラムを読み出してOSが起動する。 (User authentication)
The user authentication program includes a user ID and a password for authenticating a user who uses the hybrid disk 10a. When the hybrid disk 10a is inserted into the main body 2, the user authentication unit (user authentication means) is formed in the host unit 11 by the
第1の実施形態において説明したように、保存先制限プログラムは、アプリケーションデータの保存先を、RE層L2のみに制限するためのデータである。したがって、当該プログラムを実行することにより、アプリケーションデータをHDD等に格納することができなくなるので、ハイブリッドディスク10aのユーザが、誤ってHDD等にアプリケーションデータを保存して情報が漏洩することを防止できる。 (Application data storage destination restriction)
As described in the first embodiment, the storage destination restriction program is data for restricting the storage destination of application data to only the RE layer L2. Therefore, since the application data cannot be stored in the HDD or the like by executing the program, it is possible to prevent the user of the hybrid disk 10a from accidentally saving the application data in the HDD or the like and leaking information. .
また、本実施形態では、アプリケーションデータの保存処理を実行する際に、アプリケーションデータを暗号化して保存する構成としている。これは、ハイブリッドディスク10aのROM層L1に格納されている暗号化プログラムをCPU14が読み込み、暗号化部(暗号化手段)がホストユニット11に形成されることによって実現される。これにより、第三者がハイブリッドディスク10aを使用した場合に、アプリケーションデータにアクセスしても、文字化けする等して正常に表示されないので、第三者にアプリケーションデータの内容を閲覧できないようにすることができる。したがって、情報流出のリスクをさらに低減することができる。 (Encryption of application data)
In the present embodiment, the application data is encrypted and saved when the application data saving process is executed. This is realized by the
以上のように、本実施形態では、ハイブリッドディスク10は、読み出し専用のROM層L1と、書き換え可能なRE層L2とを有し、ROM層L1には、OSと当該OS上で動作するアプリケーションプログラムとが格納され、さらに、アプリケーションデータの保存先を、RE層L2のみに制限する保存先制限プログラムが記録されている。したがって、ユーザは、様々な環境でハイブリッドディスク10を使用できるとともに、ハイブリッドディスク10に記録された情報の流出リスクを低減できる。さらに、ハイブリッドディスク10には、アプリケーションデータを暗号化してRE層L2に保存するための暗号化プログラムが記録されているため、第三者がハイブリッドディスク10を使用した場合であっても、第三者にアプリケーションデータの内容を閲覧できないようにすることができる。 (Summary)
As described above, in this embodiment, the hybrid disk 10 includes the read-only ROM layer L1 and the rewritable RE layer L2, and the ROM layer L1 includes the OS and an application program that operates on the OS. Are stored, and a storage destination restriction program that restricts the storage destination of application data to only the RE layer L2 is recorded. Therefore, the user can use the hybrid disc 10 in various environments, and can reduce the risk of leakage of information recorded on the hybrid disc 10. Furthermore, since an encryption program for encrypting application data and storing it in the RE layer L2 is recorded on the hybrid disk 10, even if a third party uses the hybrid disk 10, It is possible to prevent a user from browsing the contents of application data.
本発明は上述した実施形態に限定されるものではなく、請求項に示した範囲で種々の変更が可能である。すなわち、請求項に示した範囲で適宜変更した技術的手段を組み合わせて得られる実施形態についても本発明の技術的範囲に含まれる。 (Summary of embodiment)
The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope shown in the claims. That is, embodiments obtained by combining technical means appropriately modified within the scope of the claims are also included in the technical scope of the present invention.
1a 光ディスク装置(情報処理装置)
2 本体
2a 本体
3 ディスプレイ
4 入力デバイス
5 BDドライブ
6 演算処理部
7 映像出力部
8 I/Oコントロール部
9 インターフェイス部
10 ハイブリッドディスク(光記録媒体)
10a ハイブリッドディスク(光記録媒体)
11 ホストユニット
12 チップセット
13 システムメモリ
14 CPU
20 ウィンドウ画面
30 エラー画面
61 保存先制限部(保存先制限手段)
L1 ROM層(第1情報記録層)
L2 RE層(第2情報記録層) 1 Optical disk device (information processing device)
1a Optical disk device (information processing device)
2 Main unit
10a Hybrid disc (optical recording medium)
11
20
L1 ROM layer (first information recording layer)
L2 RE layer (second information recording layer)
Claims (6)
- 情報を読み出すことのみ可能な第1情報記録層と、情報を追記録することが可能な又は情報を書き換えることが可能な第2情報記録層とを備え、上記第1情報記録層にはアプリケーションプログラムが格納された光記録媒体に対する記録および再生が可能な情報処理装置であって、
上記アプリケーションプログラムを実行することによって作成されたアプリケーションデータの保存先を上記第2情報記録層のみに制限する保存先制限手段を備えることを特徴とする情報処理装置。 A first information recording layer that can only read information; and a second information recording layer that can additionally record information or that can rewrite information. The first information recording layer includes an application program Is an information processing apparatus capable of recording and reproduction with respect to an optical recording medium in which is stored,
An information processing apparatus comprising: a storage destination limiting unit that limits a storage destination of application data created by executing the application program to only the second information recording layer. - 上記アプリケーションデータの保存処理を実行する際に、当該アプリケーションデータを暗号化して保存する暗号化手段を備えることを特徴とする請求項1に記載の情報処理装置。 The information processing apparatus according to claim 1, further comprising an encryption unit that encrypts and stores the application data when the application data storage process is executed.
- 上記光記録媒体を使用するユーザを認証するユーザ認証手段を備えることを特徴とする請求項1または2に記載の情報処理装置。 3. The information processing apparatus according to claim 1, further comprising user authentication means for authenticating a user who uses the optical recording medium.
- 請求項1~3のいずれか1項に記載の情報処理装置の各手段としてコンピュータを動作させるプログラム。 A program for operating a computer as each means of the information processing apparatus according to any one of claims 1 to 3.
- 請求項4に記載のプログラムを記録したコンピュータ読み取り可能な記録媒体。 A computer-readable recording medium on which the program according to claim 4 is recorded.
- 上記記録媒体は、上記光記録媒体であり、
上記プログラムは、上記第1情報記録層に格納されることを特徴とする請求項5に記載の記録媒体。 The recording medium is the optical recording medium,
6. The recording medium according to claim 5, wherein the program is stored in the first information recording layer.
Priority Applications (2)
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CN2011800048005A CN102640221A (en) | 2010-01-21 | 2011-01-19 | Information processing device, program, and recording medium having said program recorded thereon |
JP2011550931A JPWO2011090081A1 (en) | 2010-01-21 | 2011-01-19 | Information processing apparatus, program, and recording medium recording the program |
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JPWO2018134945A1 (en) * | 2017-01-19 | 2019-11-07 | 株式会社クリエイターズ・ヘッド | Information control program, information control system, and information control method |
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JP2007011511A (en) * | 2005-06-28 | 2007-01-18 | Hitachi Software Eng Co Ltd | Method for preventing information leak |
JP2009193633A (en) * | 2008-02-14 | 2009-08-27 | Sharp Corp | Optical disk recording medium and av device |
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JPH08194605A (en) * | 1995-01-17 | 1996-07-30 | Hitachi Ltd | Information processor |
JP2005135513A (en) * | 2003-10-30 | 2005-05-26 | Fujitsu Ltd | Information recording medium and information recording/reproducing device |
JP2006031841A (en) * | 2004-07-16 | 2006-02-02 | Sony Corp | Multilayer optical recording medium |
JP2008310910A (en) * | 2007-06-15 | 2008-12-25 | Canon Inc | Recording and reproducing apparatus and its controlling method |
JP2010003398A (en) * | 2008-05-21 | 2010-01-07 | Sharp Corp | Recording medium, navigation system, portable terminal, and optical disk |
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2011
- 2011-01-19 JP JP2011550931A patent/JPWO2011090081A1/en active Pending
- 2011-01-19 CN CN2011800048005A patent/CN102640221A/en active Pending
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JP2007011511A (en) * | 2005-06-28 | 2007-01-18 | Hitachi Software Eng Co Ltd | Method for preventing information leak |
JP2009193633A (en) * | 2008-02-14 | 2009-08-27 | Sharp Corp | Optical disk recording medium and av device |
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JPWO2018134945A1 (en) * | 2017-01-19 | 2019-11-07 | 株式会社クリエイターズ・ヘッド | Information control program, information control system, and information control method |
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