CN100490374C - 内容分配系统和方法、服务器、用户终端、加密设备、管理设备和成流设备 - Google Patents
内容分配系统和方法、服务器、用户终端、加密设备、管理设备和成流设备 Download PDFInfo
- Publication number
- CN100490374C CN100490374C CNB2005100037420A CN200510003742A CN100490374C CN 100490374 C CN100490374 C CN 100490374C CN B2005100037420 A CNB2005100037420 A CN B2005100037420A CN 200510003742 A CN200510003742 A CN 200510003742A CN 100490374 C CN100490374 C CN 100490374C
- 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.)
- Expired - Fee Related
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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
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- 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
Abstract
Description
Claims (57)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
JP2004002486 | 2004-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1638326A CN1638326A (zh) | 2005-07-13 |
CN100490374C true 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 | 内容分配系统和方法、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) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4574097B2 (ja) * | 1999-12-03 | 2010-11-04 | パナソニック株式会社 | コンテンツ配信システム、レファレンスサーバ |
JP4665963B2 (ja) * | 2005-02-14 | 2011-04-06 | セイコーエプソン株式会社 | 外部記録媒体書き込み装置を用いたデータ管理方法およびデータ管理システム |
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 |
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 |
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 |
US8886936B2 (en) | 2009-03-30 | 2014-11-11 | Panasonic Corporation | Health care system |
EP2296338A1 (en) * | 2009-09-11 | 2011-03-16 | Gemalto SA | Method of protecting access to data on a network |
JP5208903B2 (ja) * | 2009-10-28 | 2013-06-12 | 株式会社エヌ・ティ・ティ・ドコモ | コンテンツ制御装置及びコンテンツ制御方法 |
US20110158469A1 (en) * | 2009-12-29 | 2011-06-30 | Mastykarz Justin P | Methods and apparatus for management of field operations, projects and/or collected samples |
EP3267674B1 (en) * | 2015-03-04 | 2019-08-21 | Sony Corporation | Image pickup 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 |
---|---|---|---|---|
CN100452071C (zh) * | 1995-02-13 | 2009-01-14 | 英特特拉斯特技术公司 | 用于安全交易管理和电子权利保护的系统和方法 |
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 |
TW548983B (en) * | 2000-10-26 | 2003-08-21 | Gen Instrument Corp | Initial viewing period for scalable authorization of streaming multimedia 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 |
DE60213650T2 (de) * | 2001-12-10 | 2007-08-09 | International Business Machines Corp. | Zugriff auf verschlüsselten rundsendeinhalt |
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 |
KR20040111670A (ko) * | 2002-05-21 | 2004-12-31 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 조건부 액세스 시스템 |
-
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 CN CNB2005100037420A patent/CN100490374C/zh not_active Expired - Fee Related
- 2005-01-07 US US11/030,105 patent/US20060005258A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2005198043A (ja) | 2005-07-21 |
EP1553719A2 (en) | 2005-07-13 |
CN1638326A (zh) | 2005-07-13 |
EP1553719A3 (en) | 2007-04-11 |
US20060005258A1 (en) | 2006-01-05 |
EP1553719B1 (en) | 2011-06-15 |
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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 |
Granted publication date: 20090520 Termination date: 20200107 |
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CF01 | Termination of patent right due to non-payment of annual fee |