JP2006086568A - 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム - Google Patents

情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム Download PDF

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Publication number
JP2006086568A
JP2006086568A JP2004266477A JP2004266477A JP2006086568A JP 2006086568 A JP2006086568 A JP 2006086568A JP 2004266477 A JP2004266477 A JP 2004266477A JP 2004266477 A JP2004266477 A JP 2004266477A JP 2006086568 A JP2006086568 A JP 2006086568A
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Japan
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label
subset
tree
value
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Abandoned
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JP2004266477A
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English (en)
Japanese (ja)
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JP2006086568A5 (enExample
Inventor
Tomoyuki Asano
智之 浅野
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.)
Sony Corp
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2004266477A priority Critical patent/JP2006086568A/ja
Priority to US11/222,638 priority patent/US7340054B2/en
Priority to CNA2005101099087A priority patent/CN1753356A/zh
Publication of JP2006086568A publication Critical patent/JP2006086568A/ja
Publication of JP2006086568A5 publication Critical patent/JP2006086568A5/ja
Abandoned legal-status Critical Current

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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
    • 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
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L2209/601—Broadcast encryption

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
JP2004266477A 2004-09-14 2004-09-14 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム Abandoned JP2006086568A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004266477A JP2006086568A (ja) 2004-09-14 2004-09-14 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム
US11/222,638 US7340054B2 (en) 2004-09-14 2005-09-09 Information processing method, decrypting method, information processing apparatus, and computer program
CNA2005101099087A CN1753356A (zh) 2004-09-14 2005-09-14 信息处理方法、解密方法、信息处理装置和计算机程序

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004266477A JP2006086568A (ja) 2004-09-14 2004-09-14 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム

Publications (2)

Publication Number Publication Date
JP2006086568A true JP2006086568A (ja) 2006-03-30
JP2006086568A5 JP2006086568A5 (enExample) 2006-12-14

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Family Applications (1)

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JP2004266477A Abandoned JP2006086568A (ja) 2004-09-14 2004-09-14 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム

Country Status (3)

Country Link
US (1) US7340054B2 (enExample)
JP (1) JP2006086568A (enExample)
CN (1) CN1753356A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006253822A (ja) * 2005-03-08 2006-09-21 Toshiba Corp 復号装置、復号方法、及びプログラム
JP2010193226A (ja) * 2009-02-19 2010-09-02 Mitsubishi Electric Corp 通信装置及び通信方法及び通信プログラム

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4701381B2 (ja) * 2005-01-24 2011-06-15 国立大学法人 奈良先端科学技術大学院大学 暗号鍵生成装置、暗号鍵生成方法、暗号化データ配信装置、個別暗号鍵再生成装置、暗号化データ受信装置、暗号化データ配信システム、暗号鍵生成プログラム、および記録媒体
US8156332B2 (en) * 2007-05-29 2012-04-10 Apple Inc. Peer-to-peer security authentication protocol
WO2010011342A1 (en) * 2008-07-25 2010-01-28 Brown University Apparatus, methods, and computer program products providing dynamic provable data possession
US8826036B1 (en) * 2009-10-29 2014-09-02 Amazon Technologies, Inc. Ebook encryption using variable keys
CN102726108B (zh) * 2010-04-06 2014-12-03 上海贝尔股份有限公司 在平坦反馈模式和分级反馈模式之间切换的方法和设备
US8396896B2 (en) 2010-11-10 2013-03-12 International Business Machines Corporation Assigning resources to a binary tree structure
JP5676331B2 (ja) * 2011-03-24 2015-02-25 株式会社東芝 ルートノード及びプログラム
JP2012248135A (ja) 2011-05-31 2012-12-13 Sony Corp 情報処理装置、および情報処理方法、並びにプログラム
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
CN104092537B (zh) * 2014-07-03 2017-07-14 飞天诚信科技股份有限公司 一种实现密钥信息编解码的装置及其工作方法
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
US20160232553A1 (en) * 2015-02-05 2016-08-11 Xerox Corporation Apparatus and method for secure digital coupon verification
US9967093B2 (en) * 2015-03-25 2018-05-08 Intel Corporation Techniques for securing and controlling access to data
US11010664B2 (en) * 2016-02-05 2021-05-18 Deepmind Technologies Limited Augmenting neural networks with hierarchical external memory
CN108376054B (zh) * 2018-01-30 2020-11-03 中国信息通信研究院 一种对标识数据进行索引的处理方法及装置
US11934558B2 (en) * 2018-12-26 2024-03-19 University Of Tsukuba Distributed data integration device, distributed data integration method, and program
US11411938B2 (en) * 2019-08-19 2022-08-09 Red Hat, Inc. Proof-of-work key wrapping with integrated key fragments
US11316839B2 (en) 2019-08-19 2022-04-26 Red Hat, Inc. Proof-of-work key wrapping for temporally restricting data access
US11436352B2 (en) 2019-08-19 2022-09-06 Red Hat, Inc. Proof-of-work key wrapping for restricting data execution based on device capabilities
US11411728B2 (en) 2019-08-19 2022-08-09 Red Hat, Inc. Proof-of-work key wrapping with individual key fragments
US11424920B2 (en) 2019-08-19 2022-08-23 Red Hat, Inc. Proof-of-work key wrapping for cryptographically controlling data access
US12470378B2 (en) * 2020-10-15 2025-11-11 Keycrypt Labs Pty Ltd Secure cloud storage and retrieval of client-side encrypted files

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3888138B2 (ja) 2001-11-16 2007-02-28 東陶機器株式会社 超撥水性高輝度透明材およびその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006253822A (ja) * 2005-03-08 2006-09-21 Toshiba Corp 復号装置、復号方法、及びプログラム
JP2010193226A (ja) * 2009-02-19 2010-09-02 Mitsubishi Electric Corp 通信装置及び通信方法及び通信プログラム

Also Published As

Publication number Publication date
US20060059179A1 (en) 2006-03-16
US7340054B2 (en) 2008-03-04
CN1753356A (zh) 2006-03-29

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