JP2003519942A5 - - Google Patents

Download PDF

Info

Publication number
JP2003519942A5
JP2003519942A5 JP2001547232A JP2001547232A JP2003519942A5 JP 2003519942 A5 JP2003519942 A5 JP 2003519942A5 JP 2001547232 A JP2001547232 A JP 2001547232A JP 2001547232 A JP2001547232 A JP 2001547232A JP 2003519942 A5 JP2003519942 A5 JP 2003519942A5
Authority
JP
Japan
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.)
Pending
Application number
JP2001547232A
Other languages
Japanese (ja)
Other versions
JP2003519942A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2000/042780 external-priority patent/WO2001046782A2/en
Publication of JP2003519942A publication Critical patent/JP2003519942A/ja
Publication of JP2003519942A5 publication Critical patent/JP2003519942A5/ja
Pending legal-status Critical Current

Links

JP2001547232A 1999-12-16 2000-12-13 デジタルコンテンツを事前リリースする方法およびその方法と共に使用される暗号化鍵データベース Pending JP2003519942A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46472499A 1999-12-16 1999-12-16
US09/464,724 1999-12-16
PCT/US2000/042780 WO2001046782A2 (en) 1999-12-16 2000-12-13 Method of pre-releasing encrypted digital data

Publications (2)

Publication Number Publication Date
JP2003519942A JP2003519942A (ja) 2003-06-24
JP2003519942A5 true JP2003519942A5 (enrdf_load_stackoverflow) 2008-02-07

Family

ID=23844996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001547232A Pending JP2003519942A (ja) 1999-12-16 2000-12-13 デジタルコンテンツを事前リリースする方法およびその方法と共に使用される暗号化鍵データベース

Country Status (4)

Country Link
EP (1) EP1259865A2 (enrdf_load_stackoverflow)
JP (1) JP2003519942A (enrdf_load_stackoverflow)
AU (1) AU4717401A (enrdf_load_stackoverflow)
WO (1) WO2001046782A2 (enrdf_load_stackoverflow)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6876984B2 (en) * 2001-05-31 2005-04-05 Contentguard Holdings, Inc. Method and apparatus for establishing usage rights for digital content to be created in the future
US7085848B2 (en) 2002-03-15 2006-08-01 Microsoft Corporation Time-window-constrained multicast using connection scheduling
GB0208858D0 (en) * 2002-04-18 2002-05-29 Hewlett Packard Co Method and apparatus for encrypting/decrypting data
WO2004061699A1 (en) 2002-12-27 2004-07-22 Nielsen Media Research, Inc. Methods and apparatus for transcoding metadata
US7801820B2 (en) * 2003-01-13 2010-09-21 Sony Corporation Real-time delivery of license for previously stored encrypted content
GB2405297B (en) * 2003-08-20 2006-12-20 Vodafone Plc Data distribution
US7594275B2 (en) * 2003-10-14 2009-09-22 Microsoft Corporation Digital rights management system
GB2413863A (en) * 2004-05-08 2005-11-09 Ibm Method and system for distribution of information
JP2006042237A (ja) * 2004-07-30 2006-02-09 Toshiba Corp 記憶媒体処理方法、記憶媒体処理装置及びプログラム
JP2006195586A (ja) * 2005-01-11 2006-07-27 Ntt Docomo Inc コンテンツ配信ノード、ネットワーク機器および販売システム
US8341753B2 (en) * 2005-03-10 2012-12-25 Valve Corporation Managing pre-release of a game application over a network
US8225410B2 (en) 2005-07-08 2012-07-17 At&T Intellectual Property I, L. P. Methods, systems, and devices for securing content
DE102005051577B4 (de) * 2005-10-21 2008-04-30 Engel Solutions Ag Verfahren zur Verschlüsselung bzw. Entschlüsselung von Datenpaketen eines Datenstroms sowie Signalfolge und Datenverarbeitungssystem zur Ausführung des Verfahrens
JP4979085B2 (ja) * 2008-02-26 2012-07-18 Kddi株式会社 時限式暗号化方法および装置、時限式復号方法および装置、ならびに時限式暗号化復号システム
EP2113857A1 (en) * 2008-04-28 2009-11-04 THOMSON Licensing A method for secure content distribution
ITCR20090044A1 (it) * 2009-12-17 2011-06-18 Alessandro Landi Procedimento per la gestione sicura di dati sensibili da mantenere segreti in un intervallo di tempo prefissato.
US9380356B2 (en) 2011-04-12 2016-06-28 The Nielsen Company (Us), Llc Methods and apparatus to generate a tag for media content
WO2012177872A2 (en) * 2011-06-21 2012-12-27 The Nielsen Company (Us), Llc Methods and apparatus to measure exposure to streaming media
US9209978B2 (en) 2012-05-15 2015-12-08 The Nielsen Company (Us), Llc Methods and apparatus to measure exposure to streaming media
US9515904B2 (en) 2011-06-21 2016-12-06 The Nielsen Company (Us), Llc Monitoring streaming media content
US20150371013A1 (en) * 2012-03-30 2015-12-24 Irdeto Usa, Inc. Method and system for locking content
WO2013147853A1 (en) * 2012-03-30 2013-10-03 Irdeto Usa, Inc Method and system for locking content
US9313544B2 (en) 2013-02-14 2016-04-12 The Nielsen Company (Us), Llc Methods and apparatus to measure exposure to streaming media
US9762965B2 (en) 2015-05-29 2017-09-12 The Nielsen Company (Us), Llc Methods and apparatus to measure exposure to streaming media
WO2017083311A1 (en) * 2015-11-09 2017-05-18 Secure Content Storage Association, Llc Timed release of decryption keys for access to distributed encrypted content

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL110891A (en) * 1993-09-14 1999-03-12 Spyrus System and method for controlling access to data
US5825876A (en) * 1995-12-04 1998-10-20 Northern Telecom Time based availability to content of a storage medium
US5857020A (en) * 1995-12-04 1999-01-05 Northern Telecom Ltd. Timed availability of secured content provisioned on a storage medium
JPH1041933A (ja) * 1996-07-22 1998-02-13 Fuji Xerox Co Ltd 復号装置
JP3657396B2 (ja) * 1997-07-07 2005-06-08 株式会社日立製作所 鍵管理システム、鍵管理装置、情報暗号化装置、情報復号化装置、およびプログラムを記憶した記憶媒体
JP3542895B2 (ja) * 1997-08-22 2004-07-14 インターナショナル・ビジネス・マシーンズ・コーポレーション 時間制約暗号システム
JP3659791B2 (ja) * 1998-03-23 2005-06-15 インターナショナル・ビジネス・マシーンズ・コーポレーション 小時間鍵生成の方法及びシステム

Similar Documents

Publication Publication Date Title
BE2017C009I2 (enrdf_load_stackoverflow)
BE2013C060I2 (enrdf_load_stackoverflow)
BE2013C048I2 (enrdf_load_stackoverflow)
BE2010C009I2 (enrdf_load_stackoverflow)
BE2009C057I2 (enrdf_load_stackoverflow)
JP2003524225A5 (enrdf_load_stackoverflow)
DE50114431D1 (enrdf_load_stackoverflow)
BR0112866A2 (enrdf_load_stackoverflow)
CN3137472S (enrdf_load_stackoverflow)
CN3139578S (enrdf_load_stackoverflow)
AU2001273056A2 (enrdf_load_stackoverflow)
AU2000278679A8 (enrdf_load_stackoverflow)
AU2000278563A8 (enrdf_load_stackoverflow)
AU2000274567A8 (enrdf_load_stackoverflow)
AU2000271150A8 (enrdf_load_stackoverflow)
AU2000256695A8 (enrdf_load_stackoverflow)
AU2000240338A8 (enrdf_load_stackoverflow)
CN3133324S (enrdf_load_stackoverflow)
CN3133951S (enrdf_load_stackoverflow)
CN3135387S (enrdf_load_stackoverflow)
CN3135469S (enrdf_load_stackoverflow)
CN3135489S (enrdf_load_stackoverflow)
CN3135921S (enrdf_load_stackoverflow)
CN3137238S (enrdf_load_stackoverflow)
AU2000239526A8 (enrdf_load_stackoverflow)