WO2008114540A1 - 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 - Google Patents

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 Download PDF

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Publication number
WO2008114540A1
WO2008114540A1 PCT/JP2008/051745 JP2008051745W WO2008114540A1 WO 2008114540 A1 WO2008114540 A1 WO 2008114540A1 JP 2008051745 W JP2008051745 W JP 2008051745W WO 2008114540 A1 WO2008114540 A1 WO 2008114540A1
Authority
WO
WIPO (PCT)
Prior art keywords
key
directed
key providing
terminal apparatus
providing
Prior art date
Application number
PCT/JP2008/051745
Other languages
English (en)
French (fr)
Inventor
Tomoyuki Asano
Masafumi Kusakawa
Original Assignee
Sony 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 Sony Corporation filed Critical Sony Corporation
Priority to CN2008800090496A priority Critical patent/CN101663856B/zh
Priority to EP08704422A priority patent/EP2139153A1/en
Priority to US12/532,091 priority patent/US20100086133A1/en
Publication of WO2008114540A1 publication Critical patent/WO2008114540A1/ja

Links

Classifications

    • 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)
    • H04L9/0822—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) using key encryption key
    • 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
    • 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

Abstract

　データの暗号化又は復号に用いる鍵を所定の端末装置に提供することが可能な鍵提供装置が提供される。当該鍵提供装置は、複数の端末装置の組合せを表す部分集合が各々に対応付けられた複数の座標点を有する座標軸上に、座標点間を結ぶ少なくとも１つの有向枝を配置して形成された有向グラフを取得する取得部と、有向グラフの始点と所定の座標点とを結ぶ有向パスに含まれる全ての有向枝の情報を抽出する抽出部と、有向グラフに基づき、所定の端末装置が所属する部分集合に対応付けられた鍵を生成する鍵生成部と、を備え、有向枝の情報を所定の端末装置に提供する。
PCT/JP2008/051745 2007-03-20 2008-02-04 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 WO2008114540A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008800090496A CN101663856B (zh) 2007-03-20 2008-02-04 密钥提供系统、密钥提供装置、终端设备、密钥提供方法和密钥生成方法
EP08704422A EP2139153A1 (en) 2007-03-20 2008-02-04 Key providing system, key providing apparatus, terminal apparatus, key providing method, and key generating method
US12/532,091 US20100086133A1 (en) 2007-03-20 2008-02-04 Key Providing System, Key Providing Apparatus, Terminal Device, Key Providing Method, and Key Generation Method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-073172 2007-03-20
JP2007073172A JP2008236377A (ja) 2007-03-20 2007-03-20 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

Publications (1)

Publication Number Publication Date
WO2008114540A1 true WO2008114540A1 (ja) 2008-09-25

Family

ID=39765656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051745 WO2008114540A1 (ja) 2007-03-20 2008-02-04 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

Country Status (6)

Country Link
US (1) US20100086133A1 (ja)
EP (1) EP2139153A1 (ja)
JP (1) JP2008236377A (ja)
KR (1) KR20100014483A (ja)
CN (1) CN101663856B (ja)
WO (1) WO2008114540A1 (ja)

Cited By (2)

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JP2017108451A (ja) * 2017-02-21 2017-06-15 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
CN116978509A (zh) * 2023-09-22 2023-10-31 山东百康云网络科技有限公司 一种电子处方流转方法

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KR101547554B1 (ko) * 2008-11-27 2015-08-26 삼성전자주식회사 디지털 콘텐츠 서비스 제공 방법 및 시스템
US8885829B2 (en) * 2009-10-22 2014-11-11 Sony Corporation Antipiracy key segmentation for HFC multicast distribution from master headend to cable hubs
JP5488180B2 (ja) * 2010-04-30 2014-05-14 ソニー株式会社 コンテンツ再生装置、制御情報提供サーバ、及びコンテンツ再生システム
CN103384875B (zh) * 2011-06-30 2016-02-17 株式会社日立制作所 计算机系统和访问限制方法
US20170083349A1 (en) * 2014-06-11 2017-03-23 Mitsubishi Electric Corporation Drawing software
WO2016079371A1 (en) * 2014-11-18 2016-05-26 Nokia Technologies Oy Secure access to remote data
CN106651363B (zh) * 2016-12-28 2020-06-02 飞天诚信科技股份有限公司 一种硬件钱包及其持有者身份验证方法
EP3439228B1 (de) * 2017-08-02 2020-07-29 Siemens Aktiengesellschaft Verfahren und vorrichtungen zum erreichen einer sicherheitsfunktion, insbesondere im umfeld einer geräte- und/oder anlagensteuerung
US11599479B2 (en) * 2018-05-09 2023-03-07 Intel Corporation Technology for fine-grain encryption and secure key injection on self-encrypting drives

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JP2006074392A (ja) * 2004-09-01 2006-03-16 Canon Inc 情報暗号化装置及びその制御方法、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
JP2006310182A (ja) 2005-04-28 2006-11-09 Toyota Motor Corp 燃料電池システム及びパージ弁制御方法
JP2006310213A (ja) 2005-05-02 2006-11-09 Sumitomo Electric Ind Ltd フラットケーブル及びフラットケーブルの製造方法
JP2006310226A (ja) 2005-05-02 2006-11-09 Omron Corp マイクロスイッチ

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US6240188B1 (en) * 1999-07-06 2001-05-29 Matsushita Electric Industrial Co., Ltd. Distributed group key management scheme for secure many-to-many communication
JP2001352321A (ja) * 2000-04-06 2001-12-21 Sony Corp 情報処理システム、情報処理方法、および情報記録媒体、並びにプログラム提供媒体
US7340603B2 (en) * 2002-01-30 2008-03-04 Sony Corporation Efficient revocation of receivers
JP4561074B2 (ja) * 2003-10-14 2010-10-13 ソニー株式会社 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム
JP2005198043A (ja) * 2004-01-07 2005-07-21 Nec Corp コンテンツ配信システム、その方法、サーバ、ユーザ端末、暗号化装置、管理装置およびストリーミング装置

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2006074392A (ja) * 2004-09-01 2006-03-16 Canon Inc 情報暗号化装置及びその制御方法、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
JP2006310182A (ja) 2005-04-28 2006-11-09 Toyota Motor Corp 燃料電池システム及びパージ弁制御方法
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JP2006310226A (ja) 2005-05-02 2006-11-09 Omron Corp マイクロスイッチ

Non-Patent Citations (1)

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ATTRAPADUNG N. ET AL.: "Subset Incremental Chain Based Broadcast Encryption with Shorter Ciphertext", DAI 28 KAI SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS YOKOSHU, vol. 1, no. 28, 20 November 2005 (2005-11-20), pages 57 - 60, XP003022548 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017108451A (ja) * 2017-02-21 2017-06-15 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
CN116978509A (zh) * 2023-09-22 2023-10-31 山东百康云网络科技有限公司 一种电子处方流转方法
CN116978509B (zh) * 2023-09-22 2023-12-19 山东百康云网络科技有限公司 一种电子处方流转方法

Also Published As

Publication number Publication date
KR20100014483A (ko) 2010-02-10
CN101663856A (zh) 2010-03-03
JP2008236377A (ja) 2008-10-02
EP2139153A1 (en) 2009-12-30
US20100086133A1 (en) 2010-04-08
CN101663856B (zh) 2013-01-02

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