CN1638326A - 内容分配***和方法、服务器、用户终端、加密设备、管理设备和成流设备 - Google Patents
内容分配***和方法、服务器、用户终端、加密设备、管理设备和成流设备 Download PDFInfo
- Publication number
- CN1638326A CN1638326A CNA2005100037420A CN200510003742A CN1638326A CN 1638326 A CN1638326 A CN 1638326A CN A2005100037420 A CNA2005100037420 A CN A2005100037420A CN 200510003742 A CN200510003742 A CN 200510003742A CN 1638326 A CN1638326 A CN 1638326A
- Authority
- CN
- China
- Prior art keywords
- encryption key
- content information
- content
- information
- user terminal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0457—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Meter Arrangements (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims (58)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004002486 | 2004-01-07 | ||
JP2004002486A JP2005198043A (ja) | 2004-01-07 | 2004-01-07 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1638326A true CN1638326A (zh) | 2005-07-13 |
CN100490374C CN100490374C (zh) | 2009-05-20 |
Family
ID=34587695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100037420A Expired - Fee Related CN100490374C (zh) | 2004-01-07 | 2005-01-07 | 内容分配***和方法、服务器、用户终端、加密设备、管理设备和成流设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060005258A1 (zh) |
EP (1) | EP1553719B1 (zh) |
JP (1) | JP2005198043A (zh) |
CN (1) | CN100490374C (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102349263A (zh) * | 2009-03-30 | 2012-02-08 | 松下电器产业株式会社 | 保健*** |
CN102598693A (zh) * | 2009-10-28 | 2012-07-18 | 株式会社Ntt都科摩 | 内容控制装置以及内容控制方法 |
CN101641904B (zh) * | 2007-03-20 | 2012-10-03 | 索尼株式会社 | 密钥提供***、终端设备和信息处理方法 |
CN101663856B (zh) * | 2007-03-20 | 2013-01-02 | 索尼株式会社 | 密钥提供***、密钥提供装置、终端设备、密钥提供方法和密钥生成方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6912514B2 (en) * | 1999-12-03 | 2005-06-28 | Matsushita Electric Industrial Co., Ltd. | Content distribution system and a reference server |
US20090157857A1 (en) * | 2005-02-14 | 2009-06-18 | Atsushi Nishioka | Data Management Method and Data Management System Using an External Recording Medium Writing Device |
US9076484B2 (en) * | 2008-09-03 | 2015-07-07 | Sandisk Technologies Inc. | Methods for estimating playback time and handling a cumulative playback time permission |
US8464325B2 (en) | 2009-01-26 | 2013-06-11 | Apple Inc. | Method and system for verifying entitlement to access content by URL validation |
EP2296338A1 (en) * | 2009-09-11 | 2011-03-16 | Gemalto SA | Method of protecting access to data on a network |
US20110158469A1 (en) * | 2009-12-29 | 2011-06-30 | Mastykarz Justin P | Methods and apparatus for management of field operations, projects and/or collected samples |
EP3579540A1 (en) * | 2015-03-04 | 2019-12-11 | SONY Corporation | Imaging device |
JP6532601B2 (ja) * | 2015-09-21 | 2019-06-19 | スイス リインシュランス カンパニー リミテッド | 2層二重暗号化デジタル情報鍵のシステム間の交換に基づく安全なデジタル共有のためのシステム及び方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101359350B (zh) * | 1995-02-13 | 2012-10-03 | 英特特拉斯特技术公司 | 用于安全地管理在数据项上的操作的方法 |
JPH10155040A (ja) * | 1996-09-30 | 1998-06-09 | Nissin Electric Co Ltd | ダイアルアップ接続通信機器の呼び出し方法、および、それを用いた監視制御システム |
JPH1168730A (ja) * | 1997-08-15 | 1999-03-09 | Nec Commun Syst Ltd | 暗号ゲートウェイ装置 |
IL123554A (en) * | 1998-03-04 | 2003-01-12 | Nds Ltd | Key delivery in a secure broadcasting system |
JP2001333126A (ja) * | 2000-05-23 | 2001-11-30 | Ntt Docomo Inc | 通信システム、通信方法および通信ユニット |
US20030133692A1 (en) * | 1999-08-27 | 2003-07-17 | Charles Eric Hunter | Video distribution system |
JP2001103047A (ja) * | 1999-09-30 | 2001-04-13 | Pfu Ltd | コンテンツ配布装置および記録媒体 |
JP4617533B2 (ja) * | 2000-03-14 | 2011-01-26 | ソニー株式会社 | 情報提供装置および方法、情報処理装置および方法、並びにプログラム格納媒体 |
JP2002041483A (ja) * | 2000-07-25 | 2002-02-08 | Kyubunkan:Kk | 情報配信システム、情報配信装置および記録媒体 |
US7242772B1 (en) * | 2000-09-07 | 2007-07-10 | Eastman Kodak Company | Encryption apparatus and method for synchronizing multiple encryption keys with a data stream |
TW545052B (en) * | 2000-10-26 | 2003-08-01 | Gen Instrument Corp | ECM and EMM distribution for multimedia multicast content |
US7421082B2 (en) * | 2000-12-28 | 2008-09-02 | Sony Corporation | Data delivery method and data delivery system using sets of passkeys generated by dividing an encryption key |
JP3833491B2 (ja) * | 2001-04-12 | 2006-10-11 | シャープ株式会社 | ウェブドキュメント閲覧支援システム |
US6975836B2 (en) * | 2001-06-28 | 2005-12-13 | Kabushiki Kaisha Toshiba | Data broadcasting system, receiving terminal device, contents providing server, and contents providing method |
US6985591B2 (en) * | 2001-06-29 | 2006-01-10 | Intel Corporation | Method and apparatus for distributing keys for decrypting and re-encrypting publicly distributed media |
US7298849B2 (en) * | 2001-06-29 | 2007-11-20 | Intel Corporation | Method and apparatus for simultaneous encryption and decryption of publicly distributed media |
JP2003163656A (ja) * | 2001-11-26 | 2003-06-06 | Licross Inc | コンテンツ公開制御システム |
US7248694B2 (en) | 2001-12-10 | 2007-07-24 | International Business Machines Corporation | Access to encrypted broadcast content |
JP2003234727A (ja) * | 2002-02-08 | 2003-08-22 | Nippon Telegraph & Telephone East Corp | デジタル・コンテンツ配信装置、デジタル・コンテンツ配信プログラム、プログラム記録媒体、及びデジタル・コンテンツ配信方法 |
FR2837055B1 (fr) * | 2002-03-06 | 2004-06-11 | Viaccess Sa | Protocole de controle d'acces, par plages de durees specifiques, a des informations embrouillees |
DE10212656A1 (de) * | 2002-03-21 | 2003-10-02 | Scm Microsystems Gmbh | Selektive Verschlüsselung von Multimediadaten |
US20030198347A1 (en) * | 2002-04-22 | 2003-10-23 | Octalis Sa | System for handling digital rights and keys in business-to-business applications, computer software program, computer software modules and software products therefore |
WO2003098919A1 (en) * | 2002-05-21 | 2003-11-27 | Koninklijke Philips Electronics N.V. | Conditional access system |
-
2004
- 2004-01-07 JP JP2004002486A patent/JP2005198043A/ja active Pending
-
2005
- 2005-01-05 EP EP05000147A patent/EP1553719B1/en not_active Expired - Fee Related
- 2005-01-07 US US11/030,105 patent/US20060005258A1/en not_active Abandoned
- 2005-01-07 CN CNB2005100037420A patent/CN100490374C/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101641904B (zh) * | 2007-03-20 | 2012-10-03 | 索尼株式会社 | 密钥提供***、终端设备和信息处理方法 |
CN101663856B (zh) * | 2007-03-20 | 2013-01-02 | 索尼株式会社 | 密钥提供***、密钥提供装置、终端设备、密钥提供方法和密钥生成方法 |
CN102349263A (zh) * | 2009-03-30 | 2012-02-08 | 松下电器产业株式会社 | 保健*** |
CN102349263B (zh) * | 2009-03-30 | 2014-03-05 | 松下电器产业株式会社 | 保健*** |
US8886936B2 (en) | 2009-03-30 | 2014-11-11 | Panasonic Corporation | Health care system |
CN102598693A (zh) * | 2009-10-28 | 2012-07-18 | 株式会社Ntt都科摩 | 内容控制装置以及内容控制方法 |
Also Published As
Publication number | Publication date |
---|---|
US20060005258A1 (en) | 2006-01-05 |
CN100490374C (zh) | 2009-05-20 |
EP1553719A3 (en) | 2007-04-11 |
EP1553719A2 (en) | 2005-07-13 |
EP1553719B1 (en) | 2011-06-15 |
JP2005198043A (ja) | 2005-07-21 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141127 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA |
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TR01 | Transfer of patent right |
Effective date of registration: 20141127 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20200107 |