GB2457561A - Storage medium requiring certificate for special modulation system - Google Patents
Storage medium requiring certificate for special modulation system Download PDFInfo
- Publication number
- GB2457561A GB2457561A GB0902184A GB0902184A GB2457561A GB 2457561 A GB2457561 A GB 2457561A GB 0902184 A GB0902184 A GB 0902184A GB 0902184 A GB0902184 A GB 0902184A GB 2457561 A GB2457561 A GB 2457561A
- Authority
- GB
- United Kingdom
- Prior art keywords
- certificate
- information
- content
- storage medium
- identifying 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 claims description 32
- 238000012795 verification Methods 0.000 description 19
- 238000012545 processing Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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
- G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
- G11B20/00181—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software using a content identifier, e.g. an international standard recording code [ISRC] or a digital object identifier [DOI]
-
- 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
- G11B20/00246—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 obtained from a local device, e.g. device key initially stored by the player or by the recorder
-
- 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
- G11B20/00362—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 obtained from a media key block [MKB]
-
- 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
- G11B20/0042—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 copy protection scheme being related to a specific access protection standard
- G11B20/00427—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 copy protection scheme being related to a specific access protection standard advanced access content system [AACS]
-
- 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
- G11B20/0042—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 copy protection scheme being related to a specific access protection standard
- G11B20/00434—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 copy protection scheme being related to a specific access protection standard content protection for pre-recorded media [CPPM]
-
- 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
- G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00528—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein each title is encrypted with a separate encryption key for each title, e.g. title key for movie, song or data file
-
- 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
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00579—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
-
- 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
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00847—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction is defined by a licence file
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008041874A JP4461183B2 (ja) | 2008-02-22 | 2008-02-22 | 情報記録媒体、再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0902184D0 GB0902184D0 (en) | 2009-03-25 |
| GB2457561A true GB2457561A (en) | 2009-08-26 |
Family
ID=40527129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0902184A Withdrawn GB2457561A (en) | 2008-02-22 | 2009-02-10 | Storage medium requiring certificate for special modulation system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4461183B2 (zh) |
| CN (1) | CN101515466B (zh) |
| GB (1) | GB2457561A (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012141933A (ja) * | 2011-01-06 | 2012-07-26 | Mitsubishi Electric Corp | コンテンツ認証システムおよび当該システムにおけるオーサリング装置、配信サーバ、視聴端末 |
| WO2012172748A1 (ja) * | 2011-06-13 | 2012-12-20 | パナソニック株式会社 | 端末装置、サーバ装置、コンテンツ記録制御システム、記録方法及び記録許否制御方法 |
| JP5853507B2 (ja) * | 2011-09-05 | 2016-02-09 | ソニー株式会社 | 情報処理装置、情報処理システム、および情報処理方法、並びにプログラム |
| EP3633980A4 (en) | 2017-06-01 | 2020-07-22 | Sony Corporation | INFORMATION PROCESSING DEVICE, INFORMATION RECORDING MEDIA, INFORMATION PROCESSING PROCESS, AND PROGRAM |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0741382A1 (en) * | 1994-11-17 | 1996-11-06 | Matsushita Electric Industrial Co., Ltd. | Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method |
| EP0807929A1 (en) * | 1995-10-09 | 1997-11-19 | Matsushita Electric Industrial Co., Ltd. | Optical disk, bar code formation method for optical disk, optical disk reproduction apparatus, and marking method, laser marking method for optical disk, and method of optical disk production |
| US20030217271A1 (en) * | 2002-05-15 | 2003-11-20 | Sun Microsystems, Inc. | Use of smart card technology in the protection of fixed storage entertainment assets |
| EP1431973A1 (en) * | 2001-09-28 | 2004-06-23 | Matsushita Electric Industrial Co., Ltd. | Optical disc |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1005027B1 (en) * | 1995-10-09 | 2001-05-23 | Matsushita Electric Industrial Co., Ltd. | Optical recorder |
| JP2006179172A (ja) * | 1995-10-09 | 2006-07-06 | Matsushita Electric Ind Co Ltd | 記録媒体、情報再生装置および情報再生方法 |
| JP4220431B2 (ja) * | 2004-04-28 | 2009-02-04 | 株式会社東芝 | 変調装置、記録媒体記録装置、および記録媒体 |
-
2008
- 2008-02-22 JP JP2008041874A patent/JP4461183B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-10 GB GB0902184A patent/GB2457561A/en not_active Withdrawn
- 2009-02-19 CN CN200910006565.XA patent/CN101515466B/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0741382A1 (en) * | 1994-11-17 | 1996-11-06 | Matsushita Electric Industrial Co., Ltd. | Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method |
| EP0807929A1 (en) * | 1995-10-09 | 1997-11-19 | Matsushita Electric Industrial Co., Ltd. | Optical disk, bar code formation method for optical disk, optical disk reproduction apparatus, and marking method, laser marking method for optical disk, and method of optical disk production |
| EP1431973A1 (en) * | 2001-09-28 | 2004-06-23 | Matsushita Electric Industrial Co., Ltd. | Optical disc |
| US20030217271A1 (en) * | 2002-05-15 | 2003-11-20 | Sun Microsystems, Inc. | Use of smart card technology in the protection of fixed storage entertainment assets |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4461183B2 (ja) | 2010-05-12 |
| CN101515466A (zh) | 2009-08-26 |
| GB0902184D0 (en) | 2009-03-25 |
| CN101515466B (zh) | 2013-05-29 |
| JP2009199690A (ja) | 2009-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI257798B (en) | System for identification and revocation of audiovisual titles and replicators | |
| KR101313825B1 (ko) | 정보 처리 장치, 정보 기록 매체 제조 장치, 정보 기록매체 | |
| US6950941B1 (en) | Copy protection system for portable storage media | |
| US7760876B2 (en) | Content security layer providing long-term renewable security | |
| US8370647B2 (en) | Information processing apparatus, information processing method, and program | |
| US20140177904A1 (en) | Recording medium and producing method thereof, reproducing method and reproducing apparatus, and copyright managing method | |
| US20090208007A1 (en) | Encryption device, a decrypting device, a secret key generation device, a copyright protection system and a cipher communication device | |
| US9037863B2 (en) | Terminal device, server device, content recording control system, recording method, and recording permission control method | |
| JP2012249035A (ja) | 情報処理装置、および情報処理方法、並びにプログラム | |
| JP2012247961A (ja) | 情報処理装置、および情報処理方法、並びにプログラム | |
| US8285117B2 (en) | Information processing apparatus, disk, information processing method, and program | |
| US20100313034A1 (en) | Information processing apparatus, data recording system, information processing method, and program | |
| US9100525B2 (en) | Information processing apparatus, information storage apparatus, information processing system, information processing method, and program | |
| GB2457561A (en) | Storage medium requiring certificate for special modulation system | |
| US20150143131A1 (en) | Information processing device, information storage device, information processing system, information processing method, and program | |
| JP2005050176A (ja) | 情報記録媒体製造管理システム、情報処理装置、および方法、並びにコンピュータ・プログラム | |
| JP5975098B2 (ja) | 情報処理装置、情報記憶装置、情報処理システム、および情報処理方法、並びにプログラム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |