MXPA01012405A - Aparato y metodo de registro / reproduccion de informacion. - Google Patents
Aparato y metodo de registro / reproduccion de informacion.Info
- Publication number
- MXPA01012405A MXPA01012405A MXPA01012405A MXPA01012405A MXPA01012405A MX PA01012405 A MXPA01012405 A MX PA01012405A MX PA01012405 A MXPA01012405 A MX PA01012405A MX PA01012405 A MXPA01012405 A MX PA01012405A MX PA01012405 A MXPA01012405 A MX PA01012405A
- Authority
- MX
- Mexico
- Prior art keywords
- key
- data
- information
- encryption
- generation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 134
- 230000015654 memory Effects 0.000 claims description 66
- 238000012545 processing Methods 0.000 claims description 38
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- 238000013478 data encryption standard Methods 0.000 description 7
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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
- 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
-
- 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
- G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
- G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
-
- 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
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/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
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
-
- 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
-
- 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
- G11B20/00507—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 consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
-
- 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
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—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 can be expressed as a specific number
- G11B20/00753—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 can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
- G11B20/00768—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 can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
- G11B20/00775—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 can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags wherein said copy control information is encoded in an encryption mode indicator [EMI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
- H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
- H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Television Signal Processing For Recording (AREA)
- Small-Scale Networks (AREA)
- Optical Recording Or Reproduction (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000105328 | 2000-04-06 | ||
| JP2000243205A JP4622064B2 (ja) | 2000-04-06 | 2000-08-10 | 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体 |
| PCT/JP2001/002963 WO2001078300A1 (en) | 2000-04-06 | 2001-04-05 | Information recording/reproducing apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA01012405A true MXPA01012405A (es) | 2002-06-07 |
Family
ID=26589611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MXPA01012405A MXPA01012405A (es) | 2000-04-06 | 2001-04-05 | Aparato y metodo de registro / reproduccion de informacion. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7225339B2 (enExample) |
| EP (1) | EP1185022B1 (enExample) |
| JP (1) | JP4622064B2 (enExample) |
| KR (1) | KR100746892B1 (enExample) |
| CN (1) | CN1294718C (enExample) |
| AT (1) | ATE435537T1 (enExample) |
| AU (1) | AU781884B2 (enExample) |
| CA (1) | CA2372545C (enExample) |
| DE (1) | DE60139104D1 (enExample) |
| HU (1) | HUP0202148A2 (enExample) |
| MX (1) | MXPA01012405A (enExample) |
| WO (1) | WO2001078300A1 (enExample) |
Families Citing this family (92)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10181953B1 (en) | 2013-09-16 | 2019-01-15 | Amazon Technologies, Inc. | Trusted data verification |
| HK1053557B (zh) * | 2000-06-21 | 2009-01-30 | Sony Corporation | 信息记录/再生装置及方法 |
| JP2002319932A (ja) * | 2001-04-19 | 2002-10-31 | Sony Corp | 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにプログラム |
| TWI308306B (en) * | 2001-07-09 | 2009-04-01 | Matsushita Electric Industrial Co Ltd | Digital work protection system, record/playback device, recording medium device, and model change device |
| JP2003050745A (ja) * | 2001-08-07 | 2003-02-21 | Sony Corp | 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム |
| JP4934923B2 (ja) * | 2001-08-09 | 2012-05-23 | ソニー株式会社 | 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム |
| CN100380494C (zh) * | 2001-10-12 | 2008-04-09 | 皇家飞利浦电子股份有限公司 | 读写逐块存储的用户数据的装置和方法 |
| JP2003189232A (ja) * | 2001-12-21 | 2003-07-04 | Mitsubishi Electric Corp | 記録ｍｐｅｇデータ選択装置及びｍｐｅｇデータ記録装置 |
| JP4122777B2 (ja) * | 2002-01-18 | 2008-07-23 | 日本ビクター株式会社 | コンテンツ記録再生装置 |
| US7349538B2 (en) * | 2002-03-21 | 2008-03-25 | Ntt Docomo Inc. | Hierarchical identity-based encryption and signature schemes |
| JP4547158B2 (ja) * | 2002-04-15 | 2010-09-22 | 株式会社エヌ・ティ・ティ・ドコモ | バイリニアマッピングを使用する署名スキーム |
| JP2004054834A (ja) * | 2002-07-24 | 2004-02-19 | Matsushita Electric Ind Co Ltd | プログラム開発方法、プログラム開発支援装置およびプログラム実装方法 |
| US7657748B2 (en) * | 2002-08-28 | 2010-02-02 | Ntt Docomo, Inc. | Certificate-based encryption and public key infrastructure |
| KR100940202B1 (ko) * | 2002-08-29 | 2010-02-10 | 삼성전자주식회사 | 일방향 함수를 사용하여 계층적으로 암호화하는 장치 및방법 |
| JP4099039B2 (ja) * | 2002-11-15 | 2008-06-11 | 松下電器産業株式会社 | プログラム更新方法 |
| AU2003292648A1 (en) * | 2003-01-15 | 2004-08-10 | Sony Corporation | Signal processing system, recording method, program, recording medium, reproduction device, and information processing device |
| JP2004265194A (ja) * | 2003-03-03 | 2004-09-24 | Matsushita Electric Ind Co Ltd | 情報処理装置、および情報処理方法 |
| JP4655452B2 (ja) * | 2003-03-24 | 2011-03-23 | 富士ゼロックス株式会社 | 情報処理装置 |
| CN100498948C (zh) * | 2003-06-18 | 2009-06-10 | 松下电器产业株式会社 | 重放装置、重放方法 |
| EP2317445B1 (en) | 2003-07-28 | 2018-11-07 | Sony Corporation | Information processing apparatus and method, recording medium and program |
| US7730518B2 (en) * | 2003-07-31 | 2010-06-01 | Emc Corporation | Method and apparatus for graph-based partition of cryptographic functionality |
| JP4161859B2 (ja) | 2003-09-11 | 2008-10-08 | ソニー株式会社 | 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
| JP4469587B2 (ja) * | 2003-09-30 | 2010-05-26 | 株式会社東芝 | 情報記録装置及び情報記録方法、及びデジタル放送受信器 |
| EP1676281B1 (en) * | 2003-10-14 | 2018-03-14 | Selander, Göran | Efficient management of cryptographic key generations |
| KR100643278B1 (ko) * | 2003-10-22 | 2006-11-10 | 삼성전자주식회사 | 휴대용 저장 장치의 디지털 저작권을 관리하는 방법 및 장치 |
| JP2007516667A (ja) * | 2003-11-14 | 2007-06-21 | ソニック・ソリューションズ | 書込み可能な媒体への内容の保護された安全な転送 |
| JP4114605B2 (ja) * | 2003-12-24 | 2008-07-09 | ソニー株式会社 | 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
| CN100571132C (zh) | 2004-03-22 | 2009-12-16 | 国际商业机器公司 | 多密钥内容处理系统和方法 |
| WO2006004090A1 (ja) * | 2004-07-07 | 2006-01-12 | Pioneer Corporation | 情報記録媒体、情報記録装置及び方法、情報配信装置及び方法、並びにコンピュータプログラム |
| JP4936652B2 (ja) | 2004-08-26 | 2012-05-23 | ソニー株式会社 | 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
| US20060078790A1 (en) * | 2004-10-05 | 2006-04-13 | Polyplus Battery Company | Solid electrolytes based on lithium hafnium phosphate for active metal anode protection |
| JP4110414B2 (ja) | 2004-12-03 | 2008-07-02 | ソニー株式会社 | 情報再生装置及び情報記録再生装置 |
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| DE19511298B4 (de) * | 1995-03-28 | 2005-08-18 | Deutsche Telekom Ag | Verfahren zur Erteilung und zum Entzug der Berechtigung zum Empfang von Rundfunksendungen und Decoder |
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2000
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- 2001-04-05 DE DE60139104T patent/DE60139104D1/de not_active Expired - Lifetime
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| AU781884B2 (en) | 2005-06-23 |
| EP1185022B1 (en) | 2009-07-01 |
| JP2001352322A (ja) | 2001-12-21 |
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