AU2005317447A1 - Method and apparatus for writing and using keys for encrypting/decrypting a content and a recording medium storing keys written by the method - Google Patents

Method and apparatus for writing and using keys for encrypting/decrypting a content and a recording medium storing keys written by the method Download PDF

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Publication number
AU2005317447A1
AU2005317447A1 AU2005317447A AU2005317447A AU2005317447A1 AU 2005317447 A1 AU2005317447 A1 AU 2005317447A1 AU 2005317447 A AU2005317447 A AU 2005317447A AU 2005317447 A AU2005317447 A AU 2005317447A AU 2005317447 A1 AU2005317447 A1 AU 2005317447A1
Authority
AU
Australia
Prior art keywords
data
information
recording medium
index information
key
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.)
Abandoned
Application number
AU2005317447A
Other languages
English (en)
Inventor
Byung Jin Kim
Sung Wan Park
Kang Soo Seo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020050105753A external-priority patent/KR20060066626A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of AU2005317447A1 publication Critical patent/AU2005317447A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • 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
    • G11B20/00449—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 scrambling system [CSS]
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
AU2005317447A 2004-12-13 2005-12-06 Method and apparatus for writing and using keys for encrypting/decrypting a content and a recording medium storing keys written by the method Abandoned AU2005317447A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US63499704P 2004-12-13 2004-12-13
US60/634,997 2004-12-13
US63833204P 2004-12-23 2004-12-23
US60/638,332 2004-12-23
KR1020050105753A KR20060066626A (ko) 2004-12-13 2005-11-05 컨텐트의 암호/해독을 위한 키를 기록하고 사용하는 방법및 장치와 그 방법에 의해 키가 기록되어 있는 기록매체
KR10-2005-0105753 2005-11-05
PCT/KR2005/004145 WO2006065033A1 (en) 2004-12-13 2005-12-06 Method and apparatus for writing and using keys for encrypting/decrypting a content and a recording medium storing keys written by the method

Publications (1)

Publication Number Publication Date
AU2005317447A1 true AU2005317447A1 (en) 2006-06-22

Family

ID=36588057

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2005317447A Abandoned AU2005317447A1 (en) 2004-12-13 2005-12-06 Method and apparatus for writing and using keys for encrypting/decrypting a content and a recording medium storing keys written by the method

Country Status (3)

Country Link
EP (1) EP1825469A4 (de)
AU (1) AU2005317447A1 (de)
WO (1) WO2006065033A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8165302B2 (en) 2005-06-07 2012-04-24 Sony Corporation Key table and authorization table management
CH697588B1 (de) 2007-04-16 2008-12-15 Denthans Helmut Schmidt Dr Med Vorrichtung zur Verhinderung des habituellen Schnarchens.
CN105096983B (zh) * 2015-07-09 2017-11-28 清华大学 具有数据隐藏和加密功能的可信光盘驱动器
CN111934872B (zh) * 2020-10-12 2021-02-09 百度在线网络技术（北京）有限公司 密钥处理方法、装置、电子设备以及存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001015162A2 (en) * 1999-08-13 2001-03-01 Microsoft Corporation Methods and systems of protecting digital content
JP4409792B2 (ja) * 2001-06-22 2010-02-03 ソニー株式会社 データ伝送装置および方法、記録媒体並びにプログラム
CN1592877B (zh) * 2001-09-28 2010-05-26 高密度装置公司 用于对大容量存储设备上数据加密/解密的方法和装置
KR100445406B1 (ko) * 2001-11-30 2004-08-25 주식회사 하이닉스반도체 데이터 암호화 장치 및 그 방법
JP3855863B2 (ja) * 2002-04-01 2006-12-13 ソニー株式会社 再生方法および装置、記録方法および装置
JP2005056361A (ja) * 2003-08-07 2005-03-03 Sony Corp 情報処理装置および方法、プログラム、並びに記録媒体
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

Also Published As

Publication number Publication date
EP1825469A1 (de) 2007-08-29
WO2006065033A1 (en) 2006-06-22
EP1825469A4 (de) 2009-04-29

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Legal Events

Date Code Title Description
MK4 Application lapsed section 142(2)(d) - no continuation fee paid for the application