ATE303630T1 - Selbstschützende dokumente - Google Patents

Selbstschützende dokumente

Info

Publication number
ATE303630T1
ATE303630T1 AT99121165T AT99121165T ATE303630T1 AT E303630 T1 ATE303630 T1 AT E303630T1 AT 99121165 T AT99121165 T AT 99121165T AT 99121165 T AT99121165 T AT 99121165T AT E303630 T1 ATE303630 T1 AT E303630T1
Authority
AT
Austria
Prior art keywords
document
self
unauthorized
secure
protective documents
Prior art date
Application number
AT99121165T
Other languages
English (en)
Inventor
Prasad Ram
Thanh T Ta
Xin Wang
Original Assignee
Contentguard Holdings Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22652901&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE303630(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Contentguard Holdings Inc filed Critical Contentguard Holdings Inc
Application granted granted Critical
Publication of ATE303630T1 publication Critical patent/ATE303630T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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]
    • G06F21/106—Enforcing content protection by specific content processing
    • G06F21/1063—Personalisation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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]
    • G06F21/107—License processing; Key processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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]
    • G06F21/16—Program or content traceability, e.g. by watermarking
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2151—Time stamp

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Health & Medical Sciences (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Document Processing Apparatus (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Editing Of Facsimile Originals (AREA)
AT99121165T 1998-10-23 1999-10-22 Selbstschützende dokumente ATE303630T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/178,529 US6519700B1 (en) 1998-10-23 1998-10-23 Self-protecting documents

Publications (1)

Publication Number Publication Date
ATE303630T1 true ATE303630T1 (de) 2005-09-15

Family

ID=22652901

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99121165T ATE303630T1 (de) 1998-10-23 1999-10-22 Selbstschützende dokumente

Country Status (6)

Country Link
US (2) US6519700B1 (de)
EP (2) EP0999488B1 (de)
JP (2) JP4235691B2 (de)
AT (1) ATE303630T1 (de)
DE (1) DE69926970T8 (de)
ES (1) ES2248952T3 (de)

Families Citing this family (138)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7089212B2 (en) * 1992-12-15 2006-08-08 Sl Patent Holdings Llc System and method for controlling access to protected information
US6266654B1 (en) * 1992-12-15 2001-07-24 Softlock.Com, Inc. Method for tracking software lineage
US7831516B2 (en) * 1992-12-15 2010-11-09 Sl Patent Holdings Llc System and method for redistributing and licensing access to protected information among a plurality of devices
EP0936805A1 (de) * 1998-02-12 1999-08-18 Hewlett-Packard Company Dokumentenübertragungssystem
US20010029582A1 (en) * 1999-05-17 2001-10-11 Goodman Daniel Isaac Method and system for copy protection of data content
US6298446B1 (en) 1998-06-14 2001-10-02 Alchemedia Ltd. Method and system for copyright protection of digital images transmitted over networks
US9038193B2 (en) * 1998-08-14 2015-05-19 Azos Al, Llc System and method of data cognition incorporating autonomous security protection
ES2274557T3 (es) * 1998-08-31 2007-05-16 Irdeto Access B.V. Sistema para proporcionar datos encriptados, sistema para desencriptar datos encriptados y metodo para proporcionar una interfaz de comunicaciones en dicho sistema desencriptador.
US6519700B1 (en) * 1998-10-23 2003-02-11 Contentguard Holdings, Inc. Self-protecting documents
US6751670B1 (en) 1998-11-24 2004-06-15 Drm Technologies, L.L.C. Tracking electronic component
US7624046B2 (en) * 1998-12-24 2009-11-24 Universal Music Group, Inc. Electronic music/media distribution system
JP4405090B2 (ja) * 1999-01-05 2010-01-27 富士通株式会社 ペイバックシステム、ペイバック方法および記録媒体
US7127515B2 (en) 1999-01-15 2006-10-24 Drm Technologies, Llc Delivering electronic content
US6424950B1 (en) 1999-05-10 2002-07-23 Xerox Corporation Remote feature delivery for output devices
CN1312593C (zh) 1999-09-01 2007-04-25 松下电器产业株式会社 分布系统、半导体存储卡、接收装置、计算机可读记录介质和接收方法
US7065342B1 (en) * 1999-11-23 2006-06-20 Gofigure, L.L.C. System and mobile cellular telephone device for playing recorded music
JP4952964B2 (ja) * 1999-11-25 2012-06-13 修一 大津 電子出版システム
CA2393345A1 (en) * 1999-12-09 2001-06-14 Silanis Technology Inc. Method and system for generating a secure electronic signature file
US6785812B1 (en) * 2000-01-14 2004-08-31 Avaya Technology Corp. Secure and controlled electronic document distribution arrangement
KR100601633B1 (ko) * 2000-04-26 2006-07-14 삼성전자주식회사 디지털 컨텐츠의 다단계 유통 시스템 및 방법
US20010039510A1 (en) * 2000-05-08 2001-11-08 Galomb David E. Advertisement testing method and system
WO2002003603A1 (en) * 2000-06-30 2002-01-10 E L & Associates, Inc. Method and apparatus for encrypted electronic file access control
US7269735B2 (en) * 2000-08-28 2007-09-11 Contentgaurd Holdings, Inc. Instance specific digital watermarks
US7171558B1 (en) * 2000-09-22 2007-01-30 International Business Machines Corporation Transparent digital rights management for extendible content viewers
JP4072988B2 (ja) * 2000-10-02 2008-04-09 株式会社ハドソン デジタルコンテンツデータ生成システム
WO2002035327A2 (en) 2000-10-24 2002-05-02 Nds Limited Transferring electronic content
US20020082939A1 (en) * 2000-10-25 2002-06-27 Clark George Phillip Fulfilling a request for an electronic book
US20020073177A1 (en) * 2000-10-25 2002-06-13 Clark George Philip Processing content for electronic distribution using a digital rights management system
WO2002035324A2 (en) * 2000-10-26 2002-05-02 Netactive Inc System and method for managing digital content
JP2003044297A (ja) * 2000-11-20 2003-02-14 Humming Heads Inc コンピュータリソースの制御を行なう情報処理方法および装置、情報処理システム及びその制御方法並びに記憶媒体、プログラム
FI113898B (fi) * 2000-11-21 2004-06-30 Nokia Corp Menetelmä sisällön tuottamiseksi langattomaan viestintälaitteeseen
US7110541B1 (en) * 2000-11-28 2006-09-19 Xerox Corporation Systems and methods for policy based printing
US7412519B2 (en) * 2000-12-08 2008-08-12 Xerox Corporation Authorized document usage including rendering a protected document
GB2371636A (en) * 2000-12-21 2002-07-31 Nokia Oyj Content Distribution System
US6988196B2 (en) * 2000-12-22 2006-01-17 Lenovo (Singapore) Pte Ltd Computer system and method for generating a digital certificate
GB0031663D0 (en) * 2000-12-27 2001-02-07 Internet Extra Ltd Method and apparatus for controlling access to multimedia files design and implementation
US6832349B1 (en) * 2001-01-08 2004-12-14 Cardiff Software, Inc. Remote activation of enhanced functionality features in locally created documents
US20070219918A1 (en) * 2001-01-19 2007-09-20 Jonathan Schull System and method for controlling access to protected information
JP2004530183A (ja) * 2001-01-25 2004-09-30 デービッド・シドマン 情報アクセスを実行する多重解決のための装置、方法及びシステム
US20040088333A1 (en) 2002-01-25 2004-05-06 David Sidman Apparatus method and system for tracking information access
JPWO2002063482A1 (ja) * 2001-02-07 2004-09-24 嶋 昌彦 コンテンツ及びコンテンツ管理・運用システム
JP2002244927A (ja) * 2001-02-16 2002-08-30 Matsushita Electric Ind Co Ltd データ配布システム
AU2002233609B2 (en) * 2001-03-28 2008-05-29 Nds Limited Digital rights management system and method
KR20030007773A (ko) * 2001-03-29 2003-01-23 소니 가부시끼 가이샤 정보 처리 장치
US20020178353A1 (en) * 2001-04-11 2002-11-28 Graham Randall James Secure messaging using self-decrypting documents
US20060059117A1 (en) * 2004-09-14 2006-03-16 Michael Tolson Policy managed objects
CN1539117A (zh) * 2001-06-07 2004-10-20 ��̹�е¿عɹɷ����޹�˾ 在数字权利管理系统中支持多个委托区域的方法和装置
US7313824B1 (en) * 2001-07-13 2007-12-25 Liquid Machines, Inc. Method for protecting digital content from unauthorized use by automatically and dynamically integrating a content-protection agent
US7111285B2 (en) * 2001-07-17 2006-09-19 Liquid Machines, Inc. Method and system for protecting software applications against static and dynamic software piracy techniques
US20030031317A1 (en) * 2001-08-13 2003-02-13 Michael Epstein Increasing the size of a data-set and watermarking
US7729495B2 (en) * 2001-08-27 2010-06-01 Dphi Acquisitions, Inc. System and method for detecting unauthorized copying of encrypted data
US10033700B2 (en) 2001-12-12 2018-07-24 Intellectual Ventures I Llc Dynamic evaluation of access rights
US7921288B1 (en) 2001-12-12 2011-04-05 Hildebrand Hal S System and method for providing different levels of key security for controlling access to secured items
US7681034B1 (en) 2001-12-12 2010-03-16 Chang-Ping Lee Method and apparatus for securing electronic data
US7930756B1 (en) * 2001-12-12 2011-04-19 Crocker Steven Toye Multi-level cryptographic transformations for securing digital assets
US7783765B2 (en) * 2001-12-12 2010-08-24 Hildebrand Hal S System and method for providing distributed access control to secured documents
US10360545B2 (en) 2001-12-12 2019-07-23 Guardian Data Storage, Llc Method and apparatus for accessing secured electronic data off-line
US7631184B2 (en) * 2002-05-14 2009-12-08 Nicholas Ryan System and method for imposing security on copies of secured items
US8065713B1 (en) 2001-12-12 2011-11-22 Klimenty Vainstein System and method for providing multi-location access management to secured items
US7380120B1 (en) 2001-12-12 2008-05-27 Guardian Data Storage, Llc Secured data format for access control
US7921284B1 (en) 2001-12-12 2011-04-05 Gary Mark Kinghorn Method and system for protecting electronic data in enterprise environment
US7260555B2 (en) * 2001-12-12 2007-08-21 Guardian Data Storage, Llc Method and architecture for providing pervasive security to digital assets
USRE41546E1 (en) 2001-12-12 2010-08-17 Klimenty Vainstein Method and system for managing security tiers
US8006280B1 (en) 2001-12-12 2011-08-23 Hildebrand Hal S Security system for generating keys from access rules in a decentralized manner and methods therefor
US7565683B1 (en) * 2001-12-12 2009-07-21 Weiqing Huang Method and system for implementing changes to security policies in a distributed security system
US7921450B1 (en) 2001-12-12 2011-04-05 Klimenty Vainstein Security system using indirect key generation from access rules and methods therefor
US7562232B2 (en) * 2001-12-12 2009-07-14 Patrick Zuili System and method for providing manageability to security information for secured items
US7178033B1 (en) 2001-12-12 2007-02-13 Pss Systems, Inc. Method and apparatus for securing digital assets
US7950066B1 (en) 2001-12-21 2011-05-24 Guardian Data Storage, Llc Method and system for restricting use of a clipboard application
US8176334B2 (en) 2002-09-30 2012-05-08 Guardian Data Storage, Llc Document security system that permits external users to gain access to secured files
US8245306B2 (en) * 2002-02-15 2012-08-14 Galo Gimenez Digital rights management printing system
AU2003219823A1 (en) * 2002-02-20 2003-09-09 Bitpipe, Inc. Electronic document tracking
KR100567724B1 (ko) * 2002-02-26 2006-04-05 주식회사 소프트커널 문서보안시스템 및 그 방법
US20050071657A1 (en) * 2003-09-30 2005-03-31 Pss Systems, Inc. Method and system for securing digital assets using time-based security criteria
US7748045B2 (en) * 2004-03-30 2010-06-29 Michael Frederick Kenrich Method and system for providing cryptographic document retention with off-line access
US7373658B1 (en) 2002-10-25 2008-05-13 Aol Llc Electronic loose-leaf remote control for enabling access to content from a media player
US7647277B1 (en) 2002-10-25 2010-01-12 Time Warner Inc. Regulating access to content using a multitiered rule base
US7315946B1 (en) 2003-04-14 2008-01-01 Aol Llc Out-of-band tokens for rights access
US7836310B1 (en) 2002-11-01 2010-11-16 Yevgeniy Gutnik Security system that uses indirect password-based encryption
US7577838B1 (en) 2002-12-20 2009-08-18 Alain Rossmann Hybrid systems for securing digital assets
WO2004070584A2 (en) * 2003-02-04 2004-08-19 Canonline Global Media, Inc. Method and apparatus for converting objects between weakly and strongly typed programming frameworks
CA2519116C (en) 2003-03-13 2012-11-13 Drm Technologies, Llc Secure streaming container
US20040230893A1 (en) * 2003-05-16 2004-11-18 Dethe Elza Method and system for enabling collaborative authoring of hierarchical documents with node privileges
US8707034B1 (en) 2003-05-30 2014-04-22 Intellectual Ventures I Llc Method and system for using remote headers to secure electronic files
US7730543B1 (en) 2003-06-30 2010-06-01 Satyajit Nath Method and system for enabling users of a group shared across multiple file security systems to access secured files
US20050005146A1 (en) * 2003-07-03 2005-01-06 Maui X-Tream, Inc. Methods, data structures, and systems for authenticating media stream recipients
US7515717B2 (en) * 2003-07-31 2009-04-07 International Business Machines Corporation Security containers for document components
US7555558B1 (en) 2003-08-15 2009-06-30 Michael Frederick Kenrich Method and system for fault-tolerant transfer of files across a network
US7104282B2 (en) 2003-08-26 2006-09-12 Honeywell International, Inc. Two stage solenoid control valve
US7434048B1 (en) * 2003-09-09 2008-10-07 Adobe Systems Incorporated Controlling access to electronic documents
US8127366B2 (en) 2003-09-30 2012-02-28 Guardian Data Storage, Llc Method and apparatus for transitioning between states of security policies used to secure electronic documents
US7703140B2 (en) * 2003-09-30 2010-04-20 Guardian Data Storage, Llc Method and system for securing digital assets using process-driven security policies
US7281274B2 (en) * 2003-10-16 2007-10-09 Lmp Media Llc Electronic media distribution system
WO2005043802A1 (en) 2003-10-20 2005-05-12 Drm Technologies, Llc Securing digital content system and method
US20050086531A1 (en) * 2003-10-20 2005-04-21 Pss Systems, Inc. Method and system for proxy approval of security changes for a file security system
US20050138371A1 (en) * 2003-12-19 2005-06-23 Pss Systems, Inc. Method and system for distribution of notifications in file security systems
EP1723590A4 (de) * 2004-02-11 2010-11-24 Google Inc Maklersystem zum kombinieren von computerspielen und werbung
JP2007533037A (ja) * 2004-04-14 2007-11-15 デジタル リバー、インコーポレイテッド 地理的位置に基づくライセンスシステム
EP1602999B1 (de) 2004-06-04 2015-09-16 Swisscom AG Verfahren zur wiedergewinnung von daten
JP2008505385A (ja) * 2004-07-02 2008-02-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ セキュリティユニットおよびそのようなセキュリティユニットを備える保護システムならびにデータを保護するための方法
WO2006020238A2 (en) * 2004-07-16 2006-02-23 Ns8 Corporation Method and system for managing the use of electronic works
US7707427B1 (en) 2004-07-19 2010-04-27 Michael Frederick Kenrich Multi-level file digests
US20060015501A1 (en) * 2004-07-19 2006-01-19 International Business Machines Corporation System, method and program product to determine a time interval at which to check conditions to permit access to a file
US9009582B2 (en) * 2004-11-19 2015-04-14 Google Inc. Converting spreadsheet applications to web-based applications
WO2006057639A1 (en) * 2004-11-24 2006-06-01 Contentguard Holdings, Inc. Adapting rights to derivate works
US20060112015A1 (en) * 2004-11-24 2006-05-25 Contentguard Holdings, Inc. Method, system, and device for handling creation of derivative works and for adapting rights to derivative works
US20060230282A1 (en) * 2005-04-06 2006-10-12 Hausler Oliver M Dynamically managing access permissions
US7860801B2 (en) * 2005-07-05 2010-12-28 Xerox Corporation Tools for accessing digital works
US11200302B2 (en) * 2005-11-16 2021-12-14 Azos Ai, Llc System and method of data cognition incorporating autonomous security protection
US7784102B2 (en) * 2005-12-15 2010-08-24 Xerox Corporation Method for secure access to document repositories
US9754119B1 (en) * 2006-03-07 2017-09-05 Emc Corporation Containerized security for managed content
US9519399B1 (en) 2006-03-07 2016-12-13 Emc Corporation Providing a visual indication that stored content is associated with a collaboration environment
US7512578B2 (en) * 2006-03-30 2009-03-31 Emc Corporation Smart containers
US8307119B2 (en) 2006-03-31 2012-11-06 Google Inc. Collaborative online spreadsheet application
US8601590B2 (en) * 2006-04-27 2013-12-03 Panasonic Corporation Content distribution system
US8095517B2 (en) * 2007-02-08 2012-01-10 Blue Coat Systems, Inc. Method and system for policy-based protection of application data
US20080320600A1 (en) * 2007-06-21 2008-12-25 Matthew Pandiscia Secure document management system and apparatus
US20090119379A1 (en) * 2007-11-05 2009-05-07 Sony Electronics Inc. Rendering of multi-media content to near bit accuracy by contractual obligation
US9338166B2 (en) * 2008-11-04 2016-05-10 Adobe Systems Incorporated System and method for a single request and single response authentication protocol
GB2467580B (en) * 2009-02-06 2013-06-12 Thales Holdings Uk Plc System and method for multilevel secure object management
US8874930B2 (en) * 2009-12-09 2014-10-28 Microsoft Corporation Graph encryption
US12072989B2 (en) 2011-12-09 2024-08-27 Sertainty Corporation System and methods for using cipher objects to protect data
US9792451B2 (en) 2011-12-09 2017-10-17 Echarge2 Corporation System and methods for using cipher objects to protect data
US20130152160A1 (en) * 2011-12-09 2013-06-13 Echarge2 Corporation Systems and methods for using cipher objects to protect data
GB2498204A (en) * 2012-01-06 2013-07-10 Cloudtomo Ltd Encrypted data processing
WO2013111284A1 (ja) 2012-01-25 2013-08-01 三菱電機株式会社 データ検索装置、データ検索方法、データ検索プログラム、データ登録装置、データ登録方法、データ登録プログラムおよび情報処理装置
JP5963936B2 (ja) 2013-02-25 2016-08-03 三菱電機株式会社 サーバ装置、秘匿検索プログラム，記録媒体及び秘匿検索システム
US20150220891A1 (en) * 2014-02-06 2015-08-06 Sony Corporation Method and Apparatus for Securely Distributing Digital Vouchers
DE102014105116A1 (de) * 2014-04-10 2015-10-15 Fujitsu Technology Solutions Intellectual Property Gmbh Verfahren zur Zerstörung von Dateiinhalten
CN106233292B (zh) * 2014-06-24 2019-07-16 惠普发展公司有限责任合伙企业 合成文档访问
US9449187B2 (en) * 2014-08-11 2016-09-20 Document Dynamics, Llc Environment-aware security tokens
US9501658B1 (en) * 2016-01-08 2016-11-22 International Business Machines Corporation Avoiding file content reading using machine information
WO2017152037A1 (en) 2016-03-04 2017-09-08 1Usf, Inc. Systems and methods for media codecs and containers
SG10201803501QA (en) * 2018-04-26 2019-11-28 Mastercard International Inc Methods and systems for facilitating sharing of digital documents between a sharing party and a relying party
US11960454B2 (en) * 2020-01-03 2024-04-16 Conéctate Soluciones Y Aplicaciones Sl Method of a universal registration and identification of legal procedures
CN112906021B (zh) * 2021-02-10 2022-02-18 北京深思数盾科技股份有限公司 一种文档处理方法及装置
IT202100018851A1 (it) * 2021-07-16 2023-01-16 E Sier S R L Processo di gestione e monitoraggio di documenti digitali in modalità protetta
WO2025264501A1 (en) * 2024-06-18 2025-12-26 Factify Technologies Inc. Self-tracking documents

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742677A (en) * 1995-04-03 1998-04-21 Scientific-Atlanta, Inc. Information terminal having reconfigurable memory
US4712238A (en) * 1984-06-08 1987-12-08 M/A-Com Government Systems, Inc. Selective-subscription descrambling
US4796220A (en) 1986-12-15 1989-01-03 Pride Software Development Corp. Method of controlling the copying of software
US5796829A (en) * 1994-09-09 1998-08-18 The Titan Corporation Conditional access system
DE69532434T2 (de) 1994-10-27 2004-11-11 Mitsubishi Corp. Gerät für Dateiurheberrechte-Verwaltungssystem
CA2212574C (en) * 1995-02-13 2010-02-02 Electronic Publishing Resources, Inc. Systems and methods for secure transaction management and electronic rights protection
US6052780A (en) * 1996-09-12 2000-04-18 Open Security Solutions, Llc Computer system and process for accessing an encrypted and self-decrypting digital information product while restricting access to decrypted digital information
EP0968585A1 (de) 1997-03-14 2000-01-05 Cryptoworks Inc. Verfahren zum verwalten von rechten über digitale produkte
US6519700B1 (en) * 1998-10-23 2003-02-11 Contentguard Holdings, Inc. Self-protecting documents

Also Published As

Publication number Publication date
US6519700B1 (en) 2003-02-11
JP4304220B2 (ja) 2009-07-29
ES2248952T3 (es) 2006-03-16
JP2007328798A (ja) 2007-12-20
US20020194485A1 (en) 2002-12-19
EP0999488A2 (de) 2000-05-10
EP1612641A3 (de) 2006-02-01
DE69926970D1 (de) 2005-10-06
EP0999488A3 (de) 2002-09-11
JP4235691B2 (ja) 2009-03-11
DE69926970T2 (de) 2006-02-23
DE69926970T8 (de) 2006-04-27
EP1612641A2 (de) 2006-01-04
JP2000137649A (ja) 2000-05-16
US6763464B2 (en) 2004-07-13
EP0999488B1 (de) 2005-08-31

Similar Documents

Publication Publication Date Title
DE69926970D1 (de) Selbstschützende Dokumente
ATE386290T1 (de) Zugriffsystem und -verfahren zum geschützten inhalt in einem berechtigungverwaltungssystem
CA2199241A1 (en) Copy Control Method and Copy Control Apparatus
WO2002001326A3 (en) System and method for client interaction in a multi-level rights-management architecture
EP0874300A3 (de) Informationsübertragung,-empfang und -aufzeichnung
DK0728358T3 (da) System og fremgangsmåde til at autentificere softwarebærere
ATE400031T1 (de) Verfahren und system zur sicheren inhaltsverteilung
NO962605L (no) Fremgangsmåte og anordning for å styre operasjonen til en signaldekoder i et kringkastingssystem
AU780325C (en) Information processing system and method
CA2323781A1 (en) Methods and apparatus for continuous control and protection of media content
ATE545079T1 (de) Digitales system zur verwaltung von rechten
MY128566A (en) Method and device for controlling distribution and use of digital works
WO1999017537A8 (en) Watermarking of digital object
AU2003227565A1 (en) Method for provision of access
WO2003017202A3 (en) Systems and methods for media authentication
CN100568152C (zh) 程序源代码保护方法和工具
EP1223496A3 (de) Verschlüsselungsschema zur Begrenzung der maximalen Zugriffsanzahl zu einer elektronischen Datei vorherbestimmten Inhalts
TW200514030A (en) Content protection method and system
US8953795B2 (en) Forensic decryption tools
CN1333975A (zh) 通过标志加密的拷贝保护
WO2005048080A3 (en) Anti-piracy system
NZ532124A (en) Apparatus and method for accessing material using an entity locked secure registry
JP3699149B2 (ja) カラー画像形成装置
KR20260030251A (ko) Url 기반 비디오 콘텐츠 암호화 키 발행 시스템 및 방법
WO2004079490A3 (en) Vouching an authorized copy

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties