JP4776114B2 - 複製制限機能付き再生専用光ディスクとその配信方法および適応可能再生装置 - Google Patents

複製制限機能付き再生専用光ディスクとその配信方法および適応可能再生装置 Download PDF

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Publication number
JP4776114B2
JP4776114B2 JP2001246030A JP2001246030A JP4776114B2 JP 4776114 B2 JP4776114 B2 JP 4776114B2 JP 2001246030 A JP2001246030 A JP 2001246030A JP 2001246030 A JP2001246030 A JP 2001246030A JP 4776114 B2 JP4776114 B2 JP 4776114B2
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JP
Japan
Prior art keywords
content
data
formatted
format
read
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.)
Expired - Lifetime
Application number
JP2001246030A
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English (en)
Japanese (ja)
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JP2002140869A5 (https=
JP2002140869A (ja
Inventor
ハン・ズー
テレンス・ジェイ・ネルソン
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Publication of JP2002140869A publication Critical patent/JP2002140869A/ja
Publication of JP2002140869A5 publication Critical patent/JP2002140869A5/ja
Application granted granted Critical
Publication of JP4776114B2 publication Critical patent/JP4776114B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G11B20/00485—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
    • G11B20/00514—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 the entire content is encrypted with the same key, e.g. disc key or master key
    • 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
    • G11B20/00615—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 logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
    • G11B20/0063—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 logical format of the recording medium, e.g. the structure of sectors, blocks, or frames wherein the modification to the logical format mainly concerns management data, e.g., by changing the format of the TOC or the subcode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2001246030A 2000-08-16 2001-08-14 複製制限機能付き再生専用光ディスクとその配信方法および適応可能再生装置 Expired - Lifetime JP4776114B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/640,360 US7249384B1 (en) 2000-08-16 2000-08-16 Copy-resistant read-only digital optical disc and adaptable player
US09/640360 2000-08-16

Publications (3)

Publication Number Publication Date
JP2002140869A JP2002140869A (ja) 2002-05-17
JP2002140869A5 JP2002140869A5 (https=) 2008-09-18
JP4776114B2 true JP4776114B2 (ja) 2011-09-21

Family

ID=24567929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001246030A Expired - Lifetime JP4776114B2 (ja) 2000-08-16 2001-08-14 複製制限機能付き再生専用光ディスクとその配信方法および適応可能再生装置

Country Status (2)

Country Link
US (1) US7249384B1 (https=)
JP (1) JP4776114B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7249384B1 (en) * 2000-08-16 2007-07-24 Matsushita Electric Industrial Co., Ltd. Copy-resistant read-only digital optical disc and adaptable player
US7336572B1 (en) * 2004-08-19 2008-02-26 Marvell International Ltd. Detecting sync patterns for optical media
US9363075B2 (en) * 2013-10-18 2016-06-07 International Business Machines Corporation Polymorphic encryption key matrices

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4209953B2 (ja) * 1995-05-31 2009-01-14 ソニー株式会社 データ記録／再生装置および方法、並びにディスク状記録媒体
JP2956535B2 (ja) * 1995-06-09 1999-10-04 日本電気株式会社 光記録媒体、光記録再生システム及び光記録再生方法
US6408285B1 (en) * 1995-10-09 2002-06-18 Matsushita Electric Industrial Co., Ltd. Optical disk reading device using both a decipher key and disk identification information for decryption
DE69614823T2 (de) * 1995-10-09 2002-04-11 Matsushita Electric Industrial Co., Ltd. Aufzeichnungsgerät für optische platten
JPH09134310A (ja) * 1995-11-07 1997-05-20 Fujitsu Ltd データの復号アルゴリズムを記憶する記憶媒体および方法
JPH11134813A (ja) * 1997-08-22 1999-05-21 Sega Enterp Ltd 光ディスク型記録媒体
CN1560866A (zh) * 1999-07-29 2005-01-05 ���µ�����ҵ��ʽ���� 采用光盘的信息存储系统及其方法
US7249384B1 (en) * 2000-08-16 2007-07-24 Matsushita Electric Industrial Co., Ltd. Copy-resistant read-only digital optical disc and adaptable player
TWI238636B (en) * 2003-06-19 2005-08-21 Yen-Fu Liu Operation device and method of fast secure hash algorithm

Also Published As

Publication number Publication date
US7249384B1 (en) 2007-07-24
JP2002140869A (ja) 2002-05-17

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