JP4632413B2 - 情報暗号化装置及び情報配信装置並びにそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体 - Google Patents

情報暗号化装置及び情報配信装置並びにそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体 Download PDF

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JP4632413B2
JP4632413B2 JP2004254681A JP2004254681A JP4632413B2 JP 4632413 B2 JP4632413 B2 JP 4632413B2 JP 2004254681 A JP2004254681 A JP 2004254681A JP 2004254681 A JP2004254681 A JP 2004254681A JP 4632413 B2 JP4632413 B2 JP 4632413B2
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JP2006074392A (ja
JP2006074392A5 (enExample
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祐治 須賀
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Canon Inc
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Canon Inc
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Priority to JP2004254681A priority Critical patent/JP4632413B2/ja
Priority to PCT/JP2005/016365 priority patent/WO2006025589A1/en
Publication of JP2006074392A publication Critical patent/JP2006074392A/ja
Priority to US11/614,556 priority patent/US8000472B2/en
Publication of JP2006074392A5 publication Critical patent/JP2006074392A5/ja
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    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
JP2004254681A 2004-09-01 2004-09-01 情報暗号化装置及び情報配信装置並びにそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体 Expired - Fee Related JP4632413B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004254681A JP4632413B2 (ja) 2004-09-01 2004-09-01 情報暗号化装置及び情報配信装置並びにそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
PCT/JP2005/016365 WO2006025589A1 (en) 2004-09-01 2005-08-31 Information encryption apparatus and controlling method of the same, computer program and computer readable storage medium
US11/614,556 US8000472B2 (en) 2004-09-01 2006-12-21 Information encryption apparatus and controlling method of the same, computer program and computer readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004254681A JP4632413B2 (ja) 2004-09-01 2004-09-01 情報暗号化装置及び情報配信装置並びにそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体

Publications (3)

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JP2006074392A JP2006074392A (ja) 2006-03-16
JP2006074392A5 JP2006074392A5 (enExample) 2007-09-27
JP4632413B2 true JP4632413B2 (ja) 2011-02-16

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JP2004254681A Expired - Fee Related JP4632413B2 (ja) 2004-09-01 2004-09-01 情報暗号化装置及び情報配信装置並びにそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体

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US (1) US8000472B2 (enExample)
JP (1) JP4632413B2 (enExample)
WO (1) WO2006025589A1 (enExample)

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US9313248B2 (en) * 2006-04-13 2016-04-12 Johnny Stuart Epstein Method and apparatus for delivering encoded content
US8261091B2 (en) * 2006-12-21 2012-09-04 Spansion Llc Solid-state memory-based generation and handling of security authentication tokens
JP2008236377A (ja) * 2007-03-20 2008-10-02 Sony Corp 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法
JP2008236380A (ja) * 2007-03-20 2008-10-02 Sony Corp 鍵提供システム、端末装置、及び情報処理方法
JP5270894B2 (ja) * 2007-10-01 2013-08-21 キヤノン株式会社 情報処理装置及びその制御方法、情報処理システム、プログラム
JP5286748B2 (ja) * 2007-11-09 2013-09-11 ソニー株式会社 情報処理装置、鍵設定方法、及びプログラム
JP5152319B2 (ja) * 2008-02-27 2013-02-27 日本電気株式会社 データ記録装置、該データ記録装置に用いられるデータ記録方法及びデータ記録制御プログラム
JP5043786B2 (ja) * 2008-09-10 2012-10-10 Ｋｄｄｉ株式会社 アクセス制御システム、アクセス制御方法
US9451452B2 (en) * 2009-06-29 2016-09-20 Motorola Solutions, Inc. Method of triggering a key delivery from a mesh key distributor
US8254580B2 (en) * 2009-09-30 2012-08-28 Telefonaktiebolaget L M Ericsson (Publ) Key distribution in a hierarchy of nodes
US9712460B1 (en) * 2013-08-26 2017-07-18 F5 Networks, Inc. Matching port pick for RSS disaggregation hashing
US9703981B1 (en) * 2013-11-04 2017-07-11 Mobile Iron, Inc. Mobile device data encryption
JP6100922B2 (ja) * 2013-12-26 2017-03-22 株式会社東芝 通信制御装置、通信制御方法、プログラムおよび通信システム
WO2016067471A1 (ja) * 2014-10-31 2016-05-06 株式会社東芝 通信制御装置、通信制御方法およびプログラム
WO2016147303A1 (ja) * 2015-03-16 2016-09-22 株式会社東芝 管理装置、プログラム、システム、機器および方法
EP3442160A1 (en) * 2017-08-07 2019-02-13 Siemens Aktiengesellschaft Pruning of authentication trees
JP2020068437A (ja) * 2018-10-23 2020-04-30 株式会社アメニディ アクセス管理装置、及びプログラム

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US5483598A (en) * 1993-07-01 1996-01-09 Digital Equipment Corp., Patent Law Group Message encryption using a hash function
US5708717A (en) * 1995-11-29 1998-01-13 Alasia; Alfred Digital anti-counterfeiting software method and apparatus
JPH1198487A (ja) * 1997-09-24 1999-04-09 Mitsubishi Electric Corp 画像符号化装置及び画像復号化装置
US6598161B1 (en) * 1999-08-09 2003-07-22 International Business Machines Corporation Methods, systems and computer program products for multi-level encryption
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JP4471337B2 (ja) * 2002-08-01 2010-06-02 キヤノン株式会社 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
KR100940202B1 (ko) * 2002-08-29 2010-02-10 삼성전자주식회사 일방향 함수를 사용하여 계층적으로 암호화하는 장치 및방법
JP2004120008A (ja) 2002-09-20 2004-04-15 Pioneer Electronic Corp 鍵管理システム
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JP2004297778A (ja) * 2003-03-07 2004-10-21 Canon Inc 画像データ暗号化方法及び装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
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US20070033430A1 (en) * 2003-05-05 2007-02-08 Gene Itkis Data storage distribution and retrieval
WO2005018136A1 (ja) 2003-07-11 2005-02-24 Canon Kabushiki Kaisha 鍵情報処理方法及びその装置、並びにプログラム
JP4993674B2 (ja) 2005-09-09 2012-08-08 キヤノン株式会社 情報処理装置、検証処理装置及びそれらの制御方法、コンピュータプログラム及び記憶媒体
JP2007081482A (ja) 2005-09-09 2007-03-29 Canon Inc 端末認証方法及びその装置、プログラム

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Publication number Publication date
US8000472B2 (en) 2011-08-16
WO2006025589A1 (en) 2006-03-09
JP2006074392A (ja) 2006-03-16
US20080152133A1 (en) 2008-06-26

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