WO2006098009A1 - ライブラリ装置におけるキー管理装置及び方法 - Google Patents
ライブラリ装置におけるキー管理装置及び方法 Download PDFInfo
- Publication number
- WO2006098009A1 WO2006098009A1 PCT/JP2005/004605 JP2005004605W WO2006098009A1 WO 2006098009 A1 WO2006098009 A1 WO 2006098009A1 JP 2005004605 W JP2005004605 W JP 2005004605W WO 2006098009 A1 WO2006098009 A1 WO 2006098009A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- library
- key information
- key
- unit
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- 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
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00275—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored on a chip attached to the record carrier
-
- 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
- G11B20/00876—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein physical copy protection means are attached to the medium, e.g. holograms, sensors, or additional semiconductor circuitry
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
- G11B2220/652—Solid state media wherein solid state memory is used for storing indexing information or metadata said memory being attached to the recording medium
- G11B2220/655—Memory in cassette [MIC]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Definitions
- the present invention relates to a hard disk management device and method in a library device adopting an LTO (Linear Tape-Open) method, and in particular, hardware key management (protection to prevent a key from being stolen)
- the present invention relates to a key management apparatus and method for facilitating the process and improving the usability of a library apparatus employing the LTO method.
- FIG. 1 is a block diagram showing a schematic configuration of a key management apparatus in a conventional library apparatus adopting the LTO method.
- library devices that use the LTO method can be divided into the media transport processing side and the media recording control side as shown in Fig. 1.
- the conventional library apparatus employing the LTO method shown in FIG. 1 has a library control unit 10 and a medium transport mechanism unit 20 on the medium transport processing side, and a key management unit 44 on the medium recording control side. And an encryption device 40 and a tape drive 50.
- the tape cartridge 30 having CM (cartridge memory) is conveyed by the medium conveying mechanism unit 20, inserted into a predetermined position of the tape drive 50, read / written, and then discharged to the original position.
- the server 100 causes the library apparatus to perform a write read instruction and a data read / write based on a write / read request from a host (not shown).
- FIG. 2 is a block diagram showing a configuration of the library control unit shown in FIG.
- the host interface (IZF) unit 12 communicates with an upper host (or server 100) not shown in accordance with the prescribed interface protocol.
- a command for which an upper host power (not shown) is also issued is interpreted by the host I / F unit 12 and transmitted to the device control Z state management unit 14.
- the results of each command issued from the host not shown and executed in the library device Z are received from the device control Z status management unit 14, It responds to the upper host (or server 100)!
- the device control Z state management unit 14 processes a command received through the host I / F unit 12 based on the state information and setting information of the device managed by the device control Z unit, and each mechanism unit (described later) Instructs the robot controller 16 and CM write / read unit 24). It also notifies the host I / F unit 12 of the operation results of each mechanism unit (robot control unit 16, CM write / read unit 24) and updates its own status information.
- the robot control unit 16 Based on the robot operation instruction issued from the device control Z state management unit 14, the robot control unit 16 performs driving and stopping control of the robot.
- FIG. 3 is a block diagram illustrating a configuration of the medium transport mechanism unit illustrated in FIG.
- the transport mechanism unit 22 grips and transports the tape cartridge 30 based on an instruction from the device control Z state management unit 14 of the library control unit 10.
- the CM write read unit 24 is stored in a tape cartridge in the medium transport mechanism unit.
- CM carrier memory
- CM cartridge memory is a non-contact IC memory that can store statistical information such as tape cartridge mounting history, recording data volume, and error information.
- FIG. 4 is a block diagram showing a configuration of the encryption apparatus shown in FIG.
- the host I / F unit 42 communicates with an upper host (or server 100) not shown in accordance with a prescribed interface protocol.
- the key management unit 44 manages encryption key information for performing data encryption, and performs appropriate processing according to requests from the data encryption processing unit 46 and the data decryption processing unit 48. Provide key information.
- the encryption key information an ID specific to the encryption device provided for each tape drive is used.
- the data encryption key processing unit 46 identifies the command received through the host I / F unit 42, and if the data is to be subject to encryption key, the key management unit 44 determines the encryption key. Key information is obtained and data is encrypted.
- the data decryption processing unit 48 identifies the data sent from the tape drive 50, and when it is the data to be decrypted, the key management unit 44 obtains key information for decryption from the key management unit 44. Acquire and decrypt data.
- FIG. 5 is a block diagram showing a configuration of the tape drive shown in FIG.
- the host I / F unit 52 communicates with a host (not shown) (server 100 or encryption device 40) according to a prescribed interface protocol.
- the mechanism control unit 54 performs tape running / stop control, tape cartridge loading / unloading processing in accordance with commands received through the host I / F unit 52.
- the data buffer unit 56 temporarily stores data written and read in order to maximize the amount of data exchanged with a host (not shown) and the amount of data written to the magnetic tape.
- the CM write / read unit 57 exchanges statistical information such as the error rate of the data amount processed for the tape cartridge being processed with the CM cartridge memory incorporated in the tape cartridge.
- the data write / read unit 58 writes data to the tape cartridge or reads data from the tape cartridge.
- Fig. 6 is a diagram showing the sequence between Sano (including the host host), library controller and media transport mechanism, and tape drive and encryption device.
- Fig. 7 shows a conventional library using the LTO method. It is a figure explaining the flow of the information of the key management apparatus in an apparatus. 6 and 7, the server 100 issues a medium input request (command) (a) to the library control unit 10 (Al). The library control unit 10 issues a medium input instruction ((b) 1 (d)) to the medium transport mechanism unit 20 (A2). The medium transport mechanism unit 20 performs a medium transport process (A3).
- command command
- the library control unit 10 issues a medium input instruction ((b) 1 (d)) to the medium transport mechanism unit 20 (A2).
- the medium transport mechanism unit 20 performs a medium transport process (A3).
- the medium management information is acquired (e) from the CM cartridge memory of the tape cartridge 30 (A31), and the library control unit 10 performs update storage (f) of the medium management information (A32).
- the tape drive 50 loads (n) the medium (A4).
- the tape drive 50 acquires (g) the medium management information by the CM write / read unit 57 (A5).
- the server 100 instructs (j) to write data to the encryption device 40 (Bl).
- the encryption device 40 obtains the key information from the key management unit 44 (k) and encrypts the data (q) (B2).
- the tape drive 50 writes the encrypted data ((r), (s), (t)) to the magnetic tape portion of the tape cartridge 30 (B3).
- the server 100 Upon completion of the writing of the encrypted data to the tape cartridge 30 ((r), (m), (j)), the server 100 requests the tape drive 50 to eject the medium (command ) (, (M), (n)) (Cl).
- the tape drive 50 updates (g) the media management information by the CM write / read unit 57 (C2).
- the tape drive 50 then ejects the medium (n) (C3).
- the media ejection request (command) (C1) from the server 100 is also sent to the library controller 10 at the same time ((a), (b)), and the media ejection in the tape drive 50 is finished.
- a medium discharge instruction ((c), (d)) is issued to the medium transport mechanism unit 20 (C4).
- the medium transport mechanism unit 20 performs a medium transport process (C5). 0 In this medium transport process, the medium management information is acquired (e) from the CM cartridge memory of the tape cartridge 30 (C51), and the library control unit 10 The media management information is updated and stored (f) (C52).
- Patent Document 1 JP 2002-117643 A
- backup software generally used in open systems computer systems using operating systems whose specifications are publicly available, such as Windows (registered trademark) and UNIX (registered trademark)
- open systems computer systems using operating systems whose specifications are publicly available, such as Windows (registered trademark) and UNIX (registered trademark)
- Windows registered trademark
- UNIX registered trademark
- the present invention is for solving the above-described problems, and is a library that adopts the LTO method. It is an object of the present invention to provide a key management apparatus and method in a library apparatus that facilitates management of hardware keys of the apparatus.
- the present invention is provided with key information writing means for writing encryption key information into a non-contact type memory stored in a tape cartridge in a medium transport mechanism, and loading the tape cartridge into a tape drive.
- the key information writing means writes the key information in the non-contact type memory during transport, and obtains encrypted Z-decryption key information in the non-contact type memory.
- the encryption key Z decryption key information is written when the tape cartridge is loaded into the tape drive, so that the key management can be facilitated and the library device adopting the LTO method can be used. Usability can be improved.
- FIG. 1 is a block diagram showing a schematic configuration of a key management device in a conventional library device adopting an LTO method.
- FIG. 2 is a block diagram showing a configuration of a library control unit shown in FIG.
- FIG. 3 is a block diagram showing a configuration of a medium transport mechanism unit shown in FIG.
- FIG. 4 is a block diagram showing the configuration of the encryption device shown in FIG. 1.
- FIG. 5 is a block diagram showing a configuration of the tape drive shown in FIG. 1.
- FIG. 6 is a diagram showing a sequence among a server (including a host), a library control unit, a medium transport mechanism unit, a tape drive, and an encryption device.
- FIG. 7 is a diagram for explaining the information flow of a key management device in a conventional library device adopting the LTO method.
- FIG. 8 is a block diagram showing a schematic configuration of a key management device in the library device of the present invention adopting the LTO method.
- FIG. 9 is a block diagram showing a configuration of a library control unit shown in FIG.
- FIG. 10 is a block diagram showing a configuration of the encryption key device shown in FIG. 8.
- FIG. 11 is a diagram showing a sequence among a server (including a host host), a library control unit, a medium transport mechanism unit, a tape drive, and an encryption device.
- FIG. 12 Information flow of the key management device in the library device of the present invention adopting the LTO method
- FIG. 8 is a block diagram showing a schematic configuration of the key management device in the library device of the present invention adopting the LTO method.
- the library apparatus adopting the LTO method can be divided into the functions of the medium transport processing side and the medium recording control side as shown in FIG.
- the configuration of the library apparatus of the present invention adopting the LTO method shown in FIG. 8 includes a library control unit 70 having a key management unit 78 and a medium transport mechanism unit 20 on the medium transport processing side, and also on the medium recording control side.
- an encryption device 80 having a key input / output unit 84 and a tape drive 50 are provided.
- the tape cartridge 30 having CM carrier memory
- the medium conveying mechanism 20 inserted into a predetermined position of the tape drive 50, read and written, and then discharged to the original position.
- the server 100 Based on a write / read request from a host (not shown), the server 100 causes the library device to perform a write / read instruction and write / read data.
- the medium transport mechanism unit 20 is the same as that shown in FIG. 3, and the tape drive 50 is the same as that shown in FIG. 5, so the description thereof is omitted here.
- FIG. 9 is a block diagram showing a configuration of the library control unit shown in FIG.
- the host interface (IZF) unit 72 communicates with a host (or server 100) not shown in accordance with the prescribed interface protocol.
- the host command (not shown) issued is interpreted by the host I / F unit 72 and transmitted to the device control Z state management unit 74.
- the result of each command issued from the upper host (not shown) and processed in the library device is received from the device control Z state management unit 74, and shown in the figure! 100)
- the device control Z state management unit 74 processes the command received through the host I / F unit 72 based on the state information and setting information of the device managed by the device control Z unit 72, and each mechanism unit (to be described later) Commands the robot controller 76 and CM write / read unit 24). Also, the operation result of each mechanism unit (robot control unit 76, CM write / read unit 24) is notified to the host I / F unit 72, and its own status information is updated.
- the robot control unit 76 controls the driving and stopping of the robot based on the robot operation instruction issued from the device control Z state management unit 74.
- the key management unit 78 manages encryption key information for data encryption, and provides appropriate key information to the CM write / read unit 24 of the medium transport mechanism unit 20.
- the ID unique to the library controller can be used as the hardware key.
- the key management unit 78 matches the location where the key information is stored with the location where the encryption key information is managed, but the location where the encryption key information is managed is the key of the library control unit 70.
- the location having the key information may be provided in a library device other than the library control unit, for example, in the medium transport mechanism unit 20 or a dedicated installation location (not shown) in the vicinity thereof. good.
- a new transmission line for transferring the key information to the key management unit 78 of the library control unit 70 is also required for the place power having the key information.
- the unique ID of the medium transport mechanism and the ID unique to the dedicated installation location near the medium transport mechanism can be used as a single key, and the key manager 78 of the library controller 70 is transferred.
- the encrypted key information can be managed centrally.
- FIG. 10 is a block diagram showing a configuration of the encryption apparatus shown in FIG.
- the host I / F unit 82 communicates with an upper host (or server 100) not shown in accordance with a prescribed interface protocol.
- the key input / output unit 84 stores the key information managed by the key management unit 78 of the library control unit 70 and provided to the CM write / read unit 24 of the medium transport mechanism unit 20 in the tape cartridge 30. In order to use it as key information for data encryption / decryption, it is read by the CM write / read section 57 of the tape drive 50. Key information is temporarily stored, and appropriate key information is provided in response to a request from the data encryption processing unit 86 or the data decryption processing unit 88.
- the data encryption key processing unit 86 identifies the command received through the host I / F unit 82, and if the data is to be the target of encryption key, the data encryption key processing unit 86 receives the encryption key from the key input / output unit 84. Get key information for and encrypt the data.
- the data decryption processing unit 88 identifies the data sent from the tape drive 50, and when it is the data to be decrypted, the key input / output unit 84 sends the key information for decryption. Acquire and decrypt data.
- the operation of the key management apparatus in the library apparatus of the present invention adopting the LTO method configured as described above will be described with reference to FIG. 11 and FIG.
- FIG. 11 is a diagram showing a sequence among the server (including the host host), the library control unit and the medium transport mechanism unit, the tape drive, and the encryption device
- FIG. 12 is a diagram in the library device of the present invention employing the LTO method. It is a figure explaining the flow of information of a key management apparatus.
- V and the server 100 issue a medium input request (command) (a) to the library control unit 70 (D1).
- the library control unit 70 issues a medium input instruction ((b)-(d)) to the medium transport mechanism unit 20 (D2).
- the medium transport mechanism unit 20 performs a medium transport process (D3).
- the media management information is obtained from the CM cartridge memory of the tape cartridge 30 (D31), and then the key management unit 78 also encrypts the data into the CM cartridge memory of the tape cartridge 30 via the CM write read unit 24.
- Write key information ((x), (e ')) (D32).
- the library control unit 70 stores and updates (f) the media management information (D33).
- the tape drive 50 loads (n) the medium (D4).
- the tape drive 50 acquires the medium management information and the encryption key information ((g ′), (h ′)) by the CM write / read unit 57 (D5).
- the input / output unit 84 of the encryption device 80 acquires the encryption key from the tape drive 50 ((r), (y)) and stores it (D6).
- the server 100 instructs (j) to write data to the encryption device 80 (El).
- a data write instruction is given, but it is needless to say that a data read instruction may be used.
- the encryption device 80 obtains key information from the key input / output unit 84 (z) and performs data encryption (q) (E2).
- the tape drive 50 writes the encrypted data (( r ), (s), (t)) to the magnetic tape section of the tape cartridge 30 (E3).
- the server 100 Upon completion of writing the encrypted data to the tape cartridge 30 ((r), (m), (j)), the server 100 requests the tape drive 50 to eject the medium (command). Issue (, (m), (n)) (Fl).
- the tape drive 50 updates (g ') the media management information by the CM write / read unit 57 (F2).
- the tape drive 50 then ejects the medium (n) (F3).
- the media ejection request (command) (F1) from the server 100 is also sent to the library controller 70 at the same time ((a), (b)), and upon completion of media ejection in the tape drive 50 (( n), (m), (j), (a), (b)), issue a media ejection instruction ((c), (d)) to the media transport mechanism 20 (F Four).
- the medium transport mechanism unit 20 performs a medium transport process (F5). 0 In this medium transport process, the medium management information is acquired from the CM cartridge memory of the tape cartridge 30 (F51) and the CM write read unit 24 is used. The encryption key information stored in the CM cartridge memory of the tape cartridge 30 is erased (overwritten) ((x), (e ')) (F52). Then, the library control unit 70 stores and updates (f) the medium management information (F53).
- an encryption key is put in and out of a free use area of a non-contact type memory (CM: cartridge memory) storing statistical information such as tape cartridge mounting history, recording data amount, and error information.
- CM non-contact type memory
- statistical information such as tape cartridge mounting history, recording data amount, and error information.
- the computer systems that use operating systems that have published specifications such as Windows (registered trademark) and UNIX (registered trademark) are also available. This is useful for a lot of backup software.
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Automatic Tape Cassette Changers (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2005/004605 WO2006098009A1 (ja) | 2005-03-16 | 2005-03-16 | ライブラリ装置におけるキー管理装置及び方法 |
| JP2007507979A JP4477670B2 (ja) | 2005-03-16 | 2005-03-16 | ライブラリ装置におけるキー管理装置及び方法 |
| US11/898,781 US8238204B2 (en) | 2005-03-16 | 2007-09-14 | Apparatus and method for managing key in library apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2005/004605 WO2006098009A1 (ja) | 2005-03-16 | 2005-03-16 | ライブラリ装置におけるキー管理装置及び方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/898,781 Continuation US8238204B2 (en) | 2005-03-16 | 2007-09-14 | Apparatus and method for managing key in library apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006098009A1 true WO2006098009A1 (ja) | 2006-09-21 |
Family
ID=36991369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/004605 Ceased WO2006098009A1 (ja) | 2005-03-16 | 2005-03-16 | ライブラリ装置におけるキー管理装置及び方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8238204B2 (ja) |
| JP (1) | JP4477670B2 (ja) |
| WO (1) | WO2006098009A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7818587B2 (en) * | 2005-10-11 | 2010-10-19 | Hewlett-Packard Development Company, L.P. | Data transfer system encrypting data with information unique to a removable data storage item |
| JP2011018095A (ja) * | 2009-07-07 | 2011-01-27 | Fujitsu Ltd | キーデータ記憶装置,方法,ライブラリ装置および収納装置 |
| US8250378B1 (en) | 2008-02-04 | 2012-08-21 | Crossroads Systems, Inc. | System and method for enabling encryption |
| JP2013012964A (ja) * | 2011-06-30 | 2013-01-17 | Kyocera Document Solutions Inc | 電子機器 |
| US8601258B2 (en) | 2008-05-05 | 2013-12-03 | Kip Cr P1 Lp | Method for configuring centralized encryption policies for devices |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006164445A (ja) * | 2004-12-09 | 2006-06-22 | Fujitsu Ltd | 監視装置 |
| US9335006B2 (en) * | 2006-04-18 | 2016-05-10 | Cree, Inc. | Saturated yellow phosphor converted LED and blue converted red LED |
| US20090028339A1 (en) * | 2007-07-24 | 2009-01-29 | Brian Gerard Goodman | Auto-Configuration of a Drive List for Encryption |
| US7869604B2 (en) * | 2007-07-24 | 2011-01-11 | International Business Machines Corporation | System for an encryption key path diagnostic |
| US7869603B2 (en) * | 2007-07-24 | 2011-01-11 | International Business Machines Corporation | Encryption key path diagnostic |
| US20150088633A1 (en) * | 2013-09-25 | 2015-03-26 | Visa International Service Association | Systems and methods to redeem loyalty rewards during payment transactions |
| US10540298B2 (en) * | 2017-09-28 | 2020-01-21 | Hewlett Packard Enterprise Development Lp | Protected datasets on tape cartridges |
| US11704040B2 (en) * | 2019-12-09 | 2023-07-18 | International Business Machines Corporation | Transparent drive-to-drive copying |
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| TW323875U (en) | 1992-12-04 | 1997-12-21 | Sony Corp | Digital video and audio signal recording and reproducing apparatus |
| AU665131B2 (en) | 1992-12-04 | 1995-12-14 | Sony Corporation | Method for recording and reproducing digital signal |
| JP2002117643A (ja) | 2000-10-04 | 2002-04-19 | Hitachi Maxell Ltd | テープカートリッジ |
| US7006997B2 (en) | 2000-12-05 | 2006-02-28 | Kenta Hori | Method and program for preventing unfair use of software |
| JP2004088453A (ja) * | 2002-08-27 | 2004-03-18 | Fuji Photo Film Co Ltd | 暗号化データ記録方法、暗号化データ記録システム及び暗号化データ再生システム |
| US7213118B2 (en) * | 2003-09-29 | 2007-05-01 | International Business Machines Corporation | Security in an automated data storage library |
| US7877603B2 (en) * | 2006-09-07 | 2011-01-25 | International Business Machines Corporation | Configuring a storage drive to communicate with encryption and key managers |
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2005
- 2005-03-16 WO PCT/JP2005/004605 patent/WO2006098009A1/ja not_active Ceased
- 2005-03-16 JP JP2007507979A patent/JP4477670B2/ja not_active Expired - Fee Related
-
2007
- 2007-09-14 US US11/898,781 patent/US8238204B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06318373A (ja) * | 1992-12-04 | 1994-11-15 | Sony Corp | ディジタル画像音声信号記録再生装置 |
| JPH10214481A (ja) * | 1997-01-31 | 1998-08-11 | Sony Corp | ライブラリ装置 |
| JP2002236522A (ja) * | 2000-12-05 | 2002-08-23 | Kenta Hori | ソフトウエアの不正利用防止方法及びプログラム並びに記憶媒体 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7818587B2 (en) * | 2005-10-11 | 2010-10-19 | Hewlett-Packard Development Company, L.P. | Data transfer system encrypting data with information unique to a removable data storage item |
| US8250378B1 (en) | 2008-02-04 | 2012-08-21 | Crossroads Systems, Inc. | System and method for enabling encryption |
| US8601258B2 (en) | 2008-05-05 | 2013-12-03 | Kip Cr P1 Lp | Method for configuring centralized encryption policies for devices |
| JP2011018095A (ja) * | 2009-07-07 | 2011-01-27 | Fujitsu Ltd | キーデータ記憶装置,方法,ライブラリ装置および収納装置 |
| US8417970B2 (en) | 2009-07-07 | 2013-04-09 | Fujitsu Limited | Apparatus and method for storing key data, library unit, and storage device |
| JP2013012964A (ja) * | 2011-06-30 | 2013-01-17 | Kyocera Document Solutions Inc | 電子機器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8238204B2 (en) | 2012-08-07 |
| US20080010396A1 (en) | 2008-01-10 |
| JPWO2006098009A1 (ja) | 2008-08-21 |
| JP4477670B2 (ja) | 2010-06-09 |
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