JP2004112038A5 - - Google Patents

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Publication number
JP2004112038A5
JP2004112038A5 JP2002268265A JP2002268265A JP2004112038A5 JP 2004112038 A5 JP2004112038 A5 JP 2004112038A5 JP 2002268265 A JP2002268265 A JP 2002268265A JP 2002268265 A JP2002268265 A JP 2002268265A JP 2004112038 A5 JP2004112038 A5 JP 2004112038A5
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JP
Japan
Prior art keywords
key
management information
data management
media
recording medium
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Application number
JP2002268265A
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English (en)
Japanese (ja)
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JP2004112038A (ja
JP4068421B2 (ja
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Priority to JP2002268265A priority Critical patent/JP4068421B2/ja
Priority claimed from JP2002268265A external-priority patent/JP4068421B2/ja
Publication of JP2004112038A publication Critical patent/JP2004112038A/ja
Publication of JP2004112038A5 publication Critical patent/JP2004112038A5/ja
Application granted granted Critical
Publication of JP4068421B2 publication Critical patent/JP4068421B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2002268265A 2002-09-13 2002-09-13 データ管理情報暗号化装置 Expired - Fee Related JP4068421B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002268265A JP4068421B2 (ja) 2002-09-13 2002-09-13 データ管理情報暗号化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002268265A JP4068421B2 (ja) 2002-09-13 2002-09-13 データ管理情報暗号化装置

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2007318869A Division JP2008079349A (ja) 2007-12-10 2007-12-10 復号管理方法
JP2007318868A Division JP2008079348A (ja) 2007-12-10 2007-12-10 復号装置

Publications (3)

Publication Number Publication Date
JP2004112038A JP2004112038A (ja) 2004-04-08
JP2004112038A5 true JP2004112038A5 (https=) 2005-09-02
JP4068421B2 JP4068421B2 (ja) 2008-03-26

Family

ID=32266528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002268265A Expired - Fee Related JP4068421B2 (ja) 2002-09-13 2002-09-13 データ管理情報暗号化装置

Country Status (1)

Country Link
JP (1) JP4068421B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4602702B2 (ja) * 2003-06-18 2010-12-22 パナソニック株式会社 コンテンツ再生装置、コンテンツ再生方法、及びプログラム

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