DE69719803D1 - Verhinderung von wiedergabeangriffen auf durch netzwerkdiensteanbieter verteilte digitale informationen - Google Patents

Verhinderung von wiedergabeangriffen auf durch netzwerkdiensteanbieter verteilte digitale informationen

Info

Publication number
DE69719803D1
DE69719803D1 DE69719803T DE69719803T DE69719803D1 DE 69719803 D1 DE69719803 D1 DE 69719803D1 DE 69719803 T DE69719803 T DE 69719803T DE 69719803 T DE69719803 T DE 69719803T DE 69719803 D1 DE69719803 D1 DE 69719803D1
Authority
DE
Germany
Prior art keywords
network service
service providers
digital information
information distributed
preventing repeat
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 - Lifetime
Application number
DE69719803T
Other languages
English (en)
Other versions
DE69719803T2 (de
DE69719803T3 (de
Inventor
L Akins
O Baker
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.)
Scientific Atlanta LLC
Original Assignee
Scientific Atlanta LLC
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=25079788&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69719803(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scientific Atlanta LLC filed Critical Scientific Atlanta LLC
Application granted granted Critical
Publication of DE69719803D1 publication Critical patent/DE69719803D1/de
Publication of DE69719803T2 publication Critical patent/DE69719803T2/de
Publication of DE69719803T3 publication Critical patent/DE69719803T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • 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
    • H04L63/0442—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 asymmetric encryption, i.e. different keys for encryption and decryption
    • 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
    • H04L63/045—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 hybrid encryption, i.e. combination of symmetric and asymmetric encryption
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4524—Management of client data or end-user data involving the geographical location of the client
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
DE69719803T 1996-12-16 1997-12-16 Verhinderung von wiedergabeangriffen auf durch netzwerkdiensteanbieter verteilte digitale informationen Expired - Lifetime DE69719803T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/767,535 US6005938A (en) 1996-12-16 1996-12-16 Preventing replay attacks on digital information distributed by network service providers
US767535 1996-12-16
PCT/US1997/022991 WO1998027732A1 (en) 1996-12-16 1997-12-16 Preventing replay attacks on digital information distributed by network service providers

Publications (3)

Publication Number Publication Date
DE69719803D1 true DE69719803D1 (de) 2003-04-17
DE69719803T2 DE69719803T2 (de) 2003-10-30
DE69719803T3 DE69719803T3 (de) 2009-07-09

Family

ID=25079788

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719803T Expired - Lifetime DE69719803T3 (de) 1996-12-16 1997-12-16 Verhinderung von wiedergabeangriffen auf durch netzwerkdiensteanbieter verteilte digitale informationen

Country Status (4)

Country Link
US (1) US6005938A (de)
EP (1) EP0950319B2 (de)
DE (1) DE69719803T3 (de)
WO (1) WO1998027732A1 (de)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292568B1 (en) 1966-12-16 2001-09-18 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US6473860B1 (en) * 1994-04-07 2002-10-29 Hark C. Chan Information distribution and processing system
US7991347B1 (en) 1994-04-07 2011-08-02 Data Innovation Llc System and method for accessing set of digital data at a remote site
US7181758B1 (en) 1994-07-25 2007-02-20 Data Innovation, L.L.C. Information distribution and processing system
US7224798B2 (en) 1995-04-03 2007-05-29 Scientific-Atlanta, Inc. Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system
US8548166B2 (en) 1995-04-03 2013-10-01 Anthony J. Wasilewski Method for partially encrypting program data
US6424717B1 (en) 1995-04-03 2002-07-23 Scientific-Atlanta, Inc. Encryption devices for use in a conditional access system
US6560340B1 (en) 1995-04-03 2003-05-06 Scientific-Atlanta, Inc. Method and apparatus for geographically limiting service in a conditional access system
US6246767B1 (en) 1995-04-03 2001-06-12 Scientific-Atlanta, Inc. Source authentication of download information in a conditional access system
US6937729B2 (en) 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US20040136532A1 (en) 1995-04-03 2004-07-15 Pinder Howard G. Partial dual-encrypted stream utilizing program map tables
US6252964B1 (en) 1995-04-03 2001-06-26 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
US7917643B2 (en) 1996-09-12 2011-03-29 Audible, Inc. Digital information library and delivery system
US5926624A (en) 1996-09-12 1999-07-20 Audible, Inc. Digital information library and delivery system with logic for generating files targeted to the playback device
ID23380A (id) * 1997-03-21 2000-04-20 Canal & Siciete Anonyme Metode dan aparatus untuk mencegah akses yang curang dalam sistem akses bersyarat
CA2291076C (en) 1997-05-21 2006-09-26 Kaare Spang Method and system for sharpening teeth on saw chains
JP3791720B2 (ja) * 1997-06-11 2006-06-28 ソニー株式会社 伝送装置及び伝送方法
US6970564B1 (en) * 1998-07-13 2005-11-29 Sony Corporation Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
US7113523B1 (en) * 1997-06-11 2006-09-26 Sony Corporation Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
US6571290B2 (en) 1997-06-19 2003-05-27 Mymail, Inc. Method and apparatus for providing fungible intercourse over a network
US8516132B2 (en) * 1997-06-19 2013-08-20 Mymail, Ltd. Method of accessing a selected network
US7515712B2 (en) 1997-08-01 2009-04-07 Cisco Technology, Inc. Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system
EP1193974A3 (de) * 1997-08-01 2009-04-08 Scientific-Atlanta, Inc. Zulassung zu Diensten in einem System mit bedingtem Zugang
IL123288A (en) 1998-02-13 2001-05-20 Nds Ltd Electronic game guide system
US8813137B2 (en) * 1998-05-08 2014-08-19 Qualcomm Incorporated Apparatus and method for decoding digital image and audio signals
US6253237B1 (en) 1998-05-20 2001-06-26 Audible, Inc. Personalized time-shifted programming
AU8567798A (en) 1998-06-19 2000-01-05 Netsafe, Inc. Method and apparatus for providing connections over a network
US6256393B1 (en) * 1998-06-23 2001-07-03 General Instrument Corporation Authorization and access control of software object residing in set-top terminals
US6363149B1 (en) 1999-10-01 2002-03-26 Sony Corporation Method and apparatus for accessing stored digital programs
JP2002531013A (ja) * 1998-11-25 2002-09-17 ソニー エレクトロニクス インク 記録されたデジタルプログラムにアクセスするための方法及び装置
US8175977B2 (en) 1998-12-28 2012-05-08 Audible License management for digital content
US6480961B2 (en) * 1999-03-02 2002-11-12 Audible, Inc. Secure streaming of digital audio/visual content
US7499551B1 (en) * 1999-05-14 2009-03-03 Dell Products L.P. Public key infrastructure utilizing master key encryption
US6760752B1 (en) * 1999-06-28 2004-07-06 Zix Corporation Secure transmission system
US7581110B1 (en) * 1999-08-25 2009-08-25 Nokia Corporation Key distribution for encrypted broadcast data using minimal system bandwidth
US7099479B1 (en) * 1999-08-27 2006-08-29 Sony Corporation Information transmission system, transmitter, and transmission method as well as information reception system, receiver and reception method
US6647417B1 (en) 2000-02-10 2003-11-11 World Theatre, Inc. Music distribution systems
US7209900B2 (en) 1999-08-27 2007-04-24 Charles Eric Hunter Music distribution systems
JP2003508974A (ja) * 1999-08-27 2003-03-04 ワールド シアター，インコーポレイティド ビデオ及び音楽配信システム
US6952685B1 (en) 1999-08-27 2005-10-04 Ochoa Optics Llc Music distribution system and associated antipiracy protection
US20060212908A1 (en) 1999-08-27 2006-09-21 Ochoa Optics Llc Video distribution system
US8090619B1 (en) * 1999-08-27 2012-01-03 Ochoa Optics Llc Method and system for music distribution
US7647618B1 (en) * 1999-08-27 2010-01-12 Charles Eric Hunter Video distribution system
US6985589B2 (en) * 1999-12-02 2006-01-10 Qualcomm Incorporated Apparatus and method for encoding and storage of digital image and audio signals
US6832230B1 (en) 1999-12-22 2004-12-14 Nokia Corporation Apparatus and associated method for downloading an application with a variable lifetime to a mobile terminal
KR100697059B1 (ko) * 1999-12-22 2007-06-27 이르데토 아인드호벤 비.브이. 데이터 콘텐트에 대한 액세스를 제어하기 위한 조건부 액세스 시스템
US9252898B2 (en) 2000-01-28 2016-02-02 Zarbaña Digital Fund Llc Music distribution systems
US7051111B1 (en) 2000-04-25 2006-05-23 Digeo, Inc. Multiple source proxy management system
AU6985601A (en) * 2000-06-16 2002-01-02 Mindport Usa Methods and systems to distribute content via a network utilizing distributed conditional access agents and secure agents, and to perform digital rights management (drm)
US20040039923A1 (en) * 2000-06-20 2004-02-26 Koskins Steven James Joseph System and method for distributing data
US7356696B1 (en) * 2000-08-01 2008-04-08 Lucent Technologies Inc. Proofs of work and bread pudding protocols
EP1182874A1 (de) * 2000-08-24 2002-02-27 Canal+ Technologies Société Anonyme System zum Schutz digitaler Inhalte
US7688803B1 (en) 2000-09-01 2010-03-30 Young Steven J System and method for coordinating between multiple telephony channels
US7257227B2 (en) * 2000-10-26 2007-08-14 General Instrument Corporation System for denying access to content generated by a compromised off line encryption device and for conveying cryptographic keys from multiple conditional access systems
US7200859B1 (en) 2000-11-22 2007-04-03 Digeo, Inc. Apparatus and method for intelligent multimedia compression and distribution
CN1165049C (zh) * 2000-12-28 2004-09-01 日本胜利株式会社 内容记录装置、重放装置、传送方法及接收方法
US6813643B2 (en) 2001-01-05 2004-11-02 Digeo, Inc. Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner
US8112311B2 (en) 2001-02-12 2012-02-07 Ochoa Optics Llc Systems and methods for distribution of entertainment and advertising content
US20020116705A1 (en) * 2001-02-20 2002-08-22 Perlman Stephen G. System and method for processing conditional access data
US20020114360A1 (en) * 2001-02-20 2002-08-22 Perlman Stephen G. System and method for processing multiple broadcast multimedia streams
US7046805B2 (en) * 2001-03-20 2006-05-16 Digeo, Inc. System and method for efficiently storing and processing multimedia content
US7386129B2 (en) * 2001-05-30 2008-06-10 Digeo, Inc. System and method for multimedia content simulcast
US7093277B2 (en) 2001-05-30 2006-08-15 Digeo, Inc. System and method for improved multi-stream multimedia transmission and processing
US7979914B2 (en) 2001-06-25 2011-07-12 Audible, Inc. Time-based digital content authorization
US20060159264A1 (en) * 2001-07-03 2006-07-20 Chen Annie O System for denying access to content generated by a compromised off line encryption device and for conveying cryptographic keys from multiple conditional access systems
US7475141B1 (en) 2001-07-31 2009-01-06 Arbor Networks, Inc. Distributed service level management for network traffic
US7463737B2 (en) * 2001-08-15 2008-12-09 Digeo, Inc. System and method for conditional access key encryption
US7960005B2 (en) 2001-09-14 2011-06-14 Ochoa Optics Llc Broadcast distribution of content for storage on hardware protected optical storage media
AU2002351507B2 (en) * 2001-10-18 2005-11-17 Rovi Solutions Corporation Apparatus and method for accessing material using an entity locked secure registry
FR2831360B1 (fr) * 2001-10-19 2004-02-06 Viaccess Sa Protocole interactif de gestion a distance du controle d'acces a des informations embrouillees
US20030200548A1 (en) * 2001-12-27 2003-10-23 Paul Baran Method and apparatus for viewer control of digital TV program start time
US20030126276A1 (en) * 2002-01-02 2003-07-03 Kime Gregory C. Automated content integrity validation for streaming data
KR100962420B1 (ko) * 2002-01-14 2010-06-14 이르데토 아인드호벤 비.브이. 암호화된 정보의 분배
FR2837055B1 (fr) * 2002-03-06 2004-06-11 Viaccess Sa Protocole de controle d'acces, par plages de durees specifiques, a des informations embrouillees
KR100956273B1 (ko) * 2002-04-19 2010-05-10 이르데토 아인드호벤 비.브이. 조건부 액세스 시스템 및 장치
US7590855B2 (en) * 2002-04-30 2009-09-15 Tippingpoint Technologies, Inc. Steganographically authenticated packet traffic
US7861082B2 (en) * 2002-05-24 2010-12-28 Pinder Howard G Validating client-receivers
US7181010B2 (en) * 2002-05-24 2007-02-20 Scientific-Atlanta, Inc. Apparatus for entitling remote client devices
DE60327629D1 (de) * 2002-06-12 2009-06-25 Irdeto Eindhoven B V Vorrichtung und verfahren mit bedingtem zugang
US8103004B2 (en) * 2003-10-03 2012-01-24 Sony Corporation Method, apparatus and system for use in distributed and parallel decryption
US8396216B2 (en) 2003-11-21 2013-03-12 Howard G. Pinder Partial dual-encryption using program map tables
US9461825B2 (en) 2004-01-30 2016-10-04 Broadcom Corporation Method and system for preventing revocation denial of service attacks
US20050172132A1 (en) 2004-01-30 2005-08-04 Chen Sherman (. Secure key authentication and ladder system
US9094699B2 (en) * 2004-02-05 2015-07-28 Broadcom Corporation System and method for security key transmission with strong pairing to destination client
US7519999B2 (en) * 2004-02-27 2009-04-14 Scientific-Atlanta, Inc. Secure negotiation and encryption module
US20060031873A1 (en) * 2004-08-09 2006-02-09 Comcast Cable Holdings, Llc System and method for reduced hierarchy key management
US20060047601A1 (en) * 2004-08-25 2006-03-02 General Instrument Corporation Method and apparatus for providing channel key data
EP1662789A1 (de) * 2004-11-29 2006-05-31 Nagracard S.A. Zugangskontroll-verfahren zu verschlüsselten Daten
US8208796B2 (en) 2006-04-17 2012-06-26 Prus Bohdan S Systems and methods for prioritizing the storage location of media data
US7970138B2 (en) * 2006-05-26 2011-06-28 Syphermedia International Method and apparatus for supporting broadcast efficiency and security enhancements
US9277295B2 (en) 2006-06-16 2016-03-01 Cisco Technology, Inc. Securing media content using interchangeable encryption key
US7978720B2 (en) 2006-06-30 2011-07-12 Russ Samuel H Digital media device having media content transfer capability
US9137480B2 (en) 2006-06-30 2015-09-15 Cisco Technology, Inc. Secure escrow and recovery of media device content keys
US9171569B2 (en) * 2007-04-27 2015-10-27 Google Technology Holdings LLC Method and apparatus for assisting with content key changes
US20080267411A1 (en) * 2007-04-27 2008-10-30 General Instrument Corporation Method and Apparatus for Enhancing Security of a Device
US8108680B2 (en) 2007-07-23 2012-01-31 Murray Mark R Preventing unauthorized poaching of set top box assets
US8385545B2 (en) * 2007-07-27 2013-02-26 Howard G. Pinder Secure content key distribution using multiple distinct methods
US7949133B2 (en) 2007-09-26 2011-05-24 Pinder Howard G Controlled cryptoperiod timing to reduce decoder processing load
US9313534B2 (en) 2010-12-07 2016-04-12 Intertech Corp. Efficient authorization system for multi-channel broadcast program options
WO2012092423A2 (en) * 2010-12-31 2012-07-05 Akamai Technologies, Inc. Extending data confidentiality into a player application
US11606528B2 (en) 2018-01-03 2023-03-14 Saturn Licensing Llc Advanced television systems committee (ATSC) 3.0 latency-free display of content attribute
US11044294B2 (en) 2018-01-03 2021-06-22 Sony Group Corporation ATSC 3.0 playback using MPEG media transport protocol (MMTP)
US10743069B2 (en) * 2018-12-10 2020-08-11 Sony Corporation Delivery of information related to digital rights management (DRM) in a terrestrial broadcast system
US11706465B2 (en) 2019-01-15 2023-07-18 Sony Group Corporation ATSC 3.0 advertising notification using event streams
US11102542B2 (en) * 2019-06-06 2021-08-24 Rovi Guides, Inc. Systems and methods for controlling access from a first content platform to content items available on a second content platform

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358672A (en) * 1980-05-16 1982-11-09 The Telemine Company, Inc. Pay per view television control device
DE3642629A1 (de) * 1986-12-13 1988-06-23 Grundig Emv System zur verarbeitung verschluesselt uebertragener informationen
JP2606419B2 (ja) * 1989-08-07 1997-05-07 松下電器産業株式会社 暗号通信システムと暗号通信方法
FR2654237B1 (fr) † 1989-11-03 1992-01-17 Europ Rech Electr Lab Procede de protection contre l'inhibition non autorisee d'ecriture de certaines zones de memoire d'une carte a microprocesseur, et dispositif de mise en óoeuvre.
IL92310A (en) * 1989-11-14 1994-05-30 News Datacom Ltd System for controlling access to broadcast transmissions
US5282248A (en) * 1991-09-20 1994-01-25 Dejoy Victor P Time limited signal conduction system
US5249230A (en) * 1991-11-21 1993-09-28 Motorola, Inc. Authentication system
US5402490A (en) * 1992-09-01 1995-03-28 Motorola, Inc. Process for improving public key authentication
EP0588184B1 (de) † 1992-09-14 1997-08-06 THOMSON multimedia Zugriffsteuerungsverfahren
US5440633A (en) * 1993-08-25 1995-08-08 International Business Machines Corporation Communication network access method and system
EP1235177A3 (de) * 1993-12-16 2003-10-08 divine technology ventures Numerische aktive Werbung
US5535276A (en) * 1994-11-09 1996-07-09 Bell Atlantic Network Services, Inc. Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
ATE295644T1 (de) * 1994-07-29 2005-05-15 Canon Kk Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens
MY125706A (en) † 1994-08-19 2006-08-30 Thomson Consumer Electronics High speed signal processing smart card
US5737419A (en) * 1994-11-09 1998-04-07 Bell Atlantic Network Services, Inc. Computer system for securing communications using split private key asymmetric cryptography
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
US5671276A (en) * 1995-07-21 1997-09-23 General Instrument Corporation Of Delaware Method and apparatus for impulse purchasing of packaged information services
US5857020A (en) * 1995-12-04 1999-01-05 Northern Telecom Ltd. Timed availability of secured content provisioned on a storage medium

Also Published As

Publication number Publication date
US6005938A (en) 1999-12-21
EP0950319A1 (de) 1999-10-20
EP0950319B2 (de) 2008-12-10
EP0950319A4 (de) 2000-02-23
DE69719803T2 (de) 2003-10-30
WO1998027732A1 (en) 1998-06-25
DE69719803T3 (de) 2009-07-09
EP0950319B1 (de) 2003-03-12

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