DE60001478T2 - Verfahren sowie Vorrichtung zur Aktualisierung von Widerrufungsinformation, und Speichermedium - Google Patents

Verfahren sowie Vorrichtung zur Aktualisierung von Widerrufungsinformation, und Speichermedium

Info

Publication number
DE60001478T2
DE60001478T2 DE60001478T DE60001478T DE60001478T2 DE 60001478 T2 DE60001478 T2 DE 60001478T2 DE 60001478 T DE60001478 T DE 60001478T DE 60001478 T DE60001478 T DE 60001478T DE 60001478 T2 DE60001478 T2 DE 60001478T2
Authority
DE
Germany
Prior art keywords
storage medium
revocation information
updating revocation
updating
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.)
Expired - Lifetime
Application number
DE60001478T
Other languages
English (en)
Other versions
DE60001478D1 (de
Inventor
Shunji Harada
Makoto Tatebayashi
Masayuki Kozuka
Teruto Hirota
Toru Kamibayashi
Masafumi Tamura
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.)
Toshiba Corp
Panasonic Corp
Original Assignee
Toshiba 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 Toshiba Corp, Matsushita Electric Industrial Co Ltd filed Critical Toshiba Corp
Publication of DE60001478D1 publication Critical patent/DE60001478D1/de
Application granted granted Critical
Publication of DE60001478T2 publication Critical patent/DE60001478T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • 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
DE60001478T 1999-11-08 2000-09-20 Verfahren sowie Vorrichtung zur Aktualisierung von Widerrufungsinformation, und Speichermedium Expired - Lifetime DE60001478T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/436,035 US6850914B1 (en) 1999-11-08 1999-11-08 Revocation information updating method, revocation informaton updating apparatus and storage medium

Publications (2)

Publication Number Publication Date
DE60001478D1 DE60001478D1 (de) 2003-04-03
DE60001478T2 true DE60001478T2 (de) 2003-08-28

Family

ID=23730835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60001478T Expired - Lifetime DE60001478T2 (de) 1999-11-08 2000-09-20 Verfahren sowie Vorrichtung zur Aktualisierung von Widerrufungsinformation, und Speichermedium

Country Status (7)

Country Link
US (3) US6850914B1 (de)
EP (1) EP1098311B1 (de)
JP (1) JP3312024B2 (de)
KR (1) KR100729901B1 (de)
CN (1) CN1203413C (de)
DE (1) DE60001478T2 (de)
TW (1) TW556160B (de)

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KR101424973B1 (ko) * 2008-01-02 2014-08-04 삼성전자주식회사 폐지 목록 업데이트 방법, 암호화된 컨텐츠 재생 방법, 그기록매체 및 그 장치
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Also Published As

Publication number Publication date
US7392225B2 (en) 2008-06-24
CN1203413C (zh) 2005-05-25
JP2001166996A (ja) 2001-06-22
US20050154880A1 (en) 2005-07-14
JP3312024B2 (ja) 2002-08-05
US6581160B1 (en) 2003-06-17
KR100729901B1 (ko) 2007-06-18
EP1098311B1 (de) 2003-02-26
US6850914B1 (en) 2005-02-01
DE60001478D1 (de) 2003-04-03
CN1313550A (zh) 2001-09-19
EP1098311A1 (de) 2001-05-09
KR20010051534A (ko) 2001-06-25
TW556160B (en) 2003-10-01

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Legal Events

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Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP