AU4717401A - Method of pre-releasing digital content and encryption key database for use therewith - Google Patents

Method of pre-releasing digital content and encryption key database for use therewith

Info

Publication number
AU4717401A
AU4717401A AU47174/01A AU4717401A AU4717401A AU 4717401 A AU4717401 A AU 4717401A AU 47174/01 A AU47174/01 A AU 47174/01A AU 4717401 A AU4717401 A AU 4717401A AU 4717401 A AU4717401 A AU 4717401A
Authority
AU
Australia
Prior art keywords
encryption key
digital content
key database
use therewith
releasing digital
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.)
Abandoned
Application number
AU47174/01A
Inventor
Rajasekhar Abburi
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.)
Microsoft Corp
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of AU4717401A publication Critical patent/AU4717401A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
AU47174/01A 1999-12-16 2000-12-13 Method of pre-releasing digital content and encryption key database for use therewith Abandoned AU4717401A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46472499A 1999-12-16 1999-12-16
US09464724 1999-12-16
PCT/US2000/042780 WO2001046782A2 (en) 1999-12-16 2000-12-13 Method of pre-releasing encrypted digital data

Publications (1)

Publication Number Publication Date
AU4717401A true AU4717401A (en) 2001-07-03

Family

ID=23844996

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47174/01A Abandoned AU4717401A (en) 1999-12-16 2000-12-13 Method of pre-releasing digital content and encryption key database for use therewith

Country Status (4)

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

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
EP1586045A1 (en) 2002-12-27 2005-10-19 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 (en) * 2004-07-30 2006-02-09 Toshiba Corp Storage medium processing method, storage medium processing apparatus, and program
JP2006195586A (en) 2005-01-11 2006-07-27 Ntt Docomo Inc Content delivery node, network equipment and sales system
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 (en) * 2005-10-21 2008-04-30 Engel Solutions Ag Method for encrypting or decrypting data packets of a data stream and signal sequence and data processing system for carrying out the method
JP4979085B2 (en) * 2008-02-26 2012-07-18 Ｋｄｄｉ株式会社 Timed encryption method and apparatus, timed decryption method and apparatus, and timed encryption and decryption system
EP2113857A1 (en) * 2008-04-28 2009-11-04 THOMSON Licensing A method for secure content distribution
ITCR20090044A1 (en) * 2009-12-17 2011-06-18 Alessandro Landi PROCEDURE FOR THE SAFE MANAGEMENT OF SENSITIVE DATA TO KEEP SECRETS IN A PRE-SET TIME INTERVAL.
US9380356B2 (en) 2011-04-12 2016-06-28 The Nielsen Company (Us), Llc Methods and apparatus to generate a tag for media content
CN103748825B (en) * 2011-06-21 2016-10-05 尼尔森（美国）有限公司 The method and apparatus measuring Streaming Media exposure rate
US9515904B2 (en) 2011-06-21 2016-12-06 The Nielsen Company (Us), Llc Monitoring streaming media content
US9209978B2 (en) 2012-05-15 2015-12-08 The Nielsen Company (Us), Llc Methods and apparatus to measure exposure to streaming media
EP2831127A4 (en) * 2012-03-30 2015-12-02 Irdeto Bv Method and system for locking content
US20150371013A1 (en) * 2012-03-30 2015-12-24 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 data access control
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 (en) * 1996-07-22 1998-02-13 Fuji Xerox Co Ltd Decoder
JP3657396B2 (en) * 1997-07-07 2005-06-08 株式会社日立製作所 Key management system, key management apparatus, information encryption apparatus, information decryption apparatus, and storage medium storing program
JP3542895B2 (en) * 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 Time-constrained cryptosystem
JP3659791B2 (en) * 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 Method and system for generating a small time key

Also Published As

Publication number Publication date
EP1259865A2 (en) 2002-11-27
WO2001046782A2 (en) 2001-06-28
WO2001046782A3 (en) 2002-09-12
JP2003519942A (en) 2003-06-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase