WO2008139670A1 - 権利情報暗号化モジュール、不揮発性記憶装置、権利情報記録システム、権利情報復号化モジュール、権利情報読出システム及び権利情報記録読出システム - Google Patents

権利情報暗号化モジュール、不揮発性記憶装置、権利情報記録システム、権利情報復号化モジュール、権利情報読出システム及び権利情報記録読出システム Download PDF

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Publication number
WO2008139670A1
WO2008139670A1 PCT/JP2008/000504 JP2008000504W WO2008139670A1 WO 2008139670 A1 WO2008139670 A1 WO 2008139670A1 JP 2008000504 W JP2008000504 W JP 2008000504W WO 2008139670 A1 WO2008139670 A1 WO 2008139670A1
Authority
WO
WIPO (PCT)
Prior art keywords
right information
information
reading system
recording
module
Prior art date
Application number
PCT/JP2008/000504
Other languages
English (en)
French (fr)
Inventor
Hiroshi Sakurai
Hirofumi Nakagaki
Hirokazu So
Masahiro Nakanishi
Original Assignee
Panasonic Corporation
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 Corporation filed Critical Panasonic Corporation
Priority to US12/594,965 priority Critical patent/US20100058074A1/en
Priority to JP2009513978A priority patent/JP4740371B2/ja
Publication of WO2008139670A1 publication Critical patent/WO2008139670A1/ja

Links

Classifications

    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

　権利情報暗号化モジュール１１０ａは鍵生成部１１１ａ、権利情報暗号化部１１２ａ、鍵管理情報生成部１１３ａを備える。権利情報に対応する鍵情報Ｋｍと鍵管理情報Ｍｍを生成し、秘匿記録モジュール１３０ａに鍵管理情報Ｍｍと鍵情報Ｋｍを記録する。又権利情報を暗号化して記録モジュール１４０ａに鍵管理情報Ｍｍと暗号化した権利情報Ｅｎｃ＿ａ（ＲＯｍ，Ｋｍ）を記録する。これによるコンテンツの鍵情報、利用制限情報を含んだ権利情報のデータサイズが増加することによる秘匿領域の容量不足の可能性を解消することができる。
PCT/JP2008/000504 2007-04-26 2008-03-10 権利情報暗号化モジュール、不揮発性記憶装置、権利情報記録システム、権利情報復号化モジュール、権利情報読出システム及び権利情報記録読出システム WO2008139670A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/594,965 US20100058074A1 (en) 2007-04-26 2008-03-10 Right information encryption module, nonvolatile memory device, right information recording system, right information decryption module, right information reading system, and right information recording/reading system
JP2009513978A JP4740371B2 (ja) 2007-04-26 2008-03-10 権利情報暗号化モジュール、不揮発性記憶装置、権利情報記録システム、権利情報復号化モジュール、権利情報読出システム及び権利情報記録読出システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-116773 2007-04-26
JP2007116773 2007-04-26

Publications (1)

Publication Number Publication Date
WO2008139670A1 true WO2008139670A1 (ja) 2008-11-20

Family

ID=40001896

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000504 WO2008139670A1 (ja) 2007-04-26 2008-03-10 権利情報暗号化モジュール、不揮発性記憶装置、権利情報記録システム、権利情報復号化モジュール、権利情報読出システム及び権利情報記録読出システム

Country Status (3)

Country Link
US (1) US20100058074A1 (ja)
JP (1) JP4740371B2 (ja)
WO (1) WO2008139670A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010119549A1 (ja) * 2009-04-16 2010-10-21 株式会社 東芝 コンテンツデータ再生システム、及び記録装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116011797B (zh) * 2023-03-28 2023-07-07 济南市莱芜颐和信息科技有限公司 一种去中心化财务监督管理***

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001094554A (ja) * 1999-09-20 2001-04-06 Sony Corp 情報送信システム、情報送信装置、情報受信装置、情報送信方法
JP2001209580A (ja) * 2000-01-25 2001-08-03 Sony Corp データ記憶素子製造方法およびデータ記憶素子、並びにデータ処理装置
JP2002319934A (ja) * 2001-04-19 2002-10-31 Nec Corp 著作権保護システム及びその方法
WO2005106681A1 (ja) * 2004-04-30 2005-11-10 Matsushita Electric Industrial Co., Ltd. セキュアデバイスを利用したデジタル著作権管理
JP2006014035A (ja) * 2004-06-28 2006-01-12 Toshiba Corp 記憶媒体処理方法、記憶媒体処理装置及びプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1402372B1 (en) * 2001-07-05 2017-09-20 Panasonic Intellectual Property Management Co., Ltd. Recording apparatus, medium, method, and related computer program
US7165180B1 (en) * 2001-11-27 2007-01-16 Vixs Systems, Inc. Monolithic semiconductor device for preventing external access to an encryption key
KR20070074562A (ko) * 2004-09-10 2007-07-12 코닌클리케 필립스 일렉트로닉스 엔.브이. 조건적 액세스를 제공하는 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001094554A (ja) * 1999-09-20 2001-04-06 Sony Corp 情報送信システム、情報送信装置、情報受信装置、情報送信方法
JP2001209580A (ja) * 2000-01-25 2001-08-03 Sony Corp データ記憶素子製造方法およびデータ記憶素子、並びにデータ処理装置
JP2002319934A (ja) * 2001-04-19 2002-10-31 Nec Corp 著作権保護システム及びその方法
WO2005106681A1 (ja) * 2004-04-30 2005-11-10 Matsushita Electric Industrial Co., Ltd. セキュアデバイスを利用したデジタル著作権管理
JP2006014035A (ja) * 2004-06-28 2006-01-12 Toshiba Corp 記憶媒体処理方法、記憶媒体処理装置及びプログラム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010119549A1 (ja) * 2009-04-16 2010-10-21 株式会社 東芝 コンテンツデータ再生システム、及び記録装置
JP5296195B2 (ja) * 2009-04-16 2013-09-25 株式会社東芝 コンテンツデータ再生システム、及び記録装置
US8799682B2 (en) 2009-04-16 2014-08-05 Kabushiki Kaisha Toshiba Content data reproduction system and recording device

Also Published As

Publication number Publication date
JP4740371B2 (ja) 2011-08-03
JPWO2008139670A1 (ja) 2010-07-29
US20100058074A1 (en) 2010-03-04

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