DE60109467D1 - Verfahren und vorrichtung zur übertragung von netzwerkinformationen durch sichere transkodierung - Google Patents

Verfahren und vorrichtung zur übertragung von netzwerkinformationen durch sichere transkodierung

Info

Publication number
DE60109467D1
DE60109467D1 DE60109467T DE60109467T DE60109467D1 DE 60109467 D1 DE60109467 D1 DE 60109467D1 DE 60109467 T DE60109467 T DE 60109467T DE 60109467 T DE60109467 T DE 60109467T DE 60109467 D1 DE60109467 D1 DE 60109467D1
Authority
DE
Germany
Prior art keywords
components
transcoding
clear
safe
network information
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
DE60109467T
Other languages
English (en)
Other versions
DE60109467T2 (de
Inventor
Yuan-Chi Chang
Chung-Sheng C O Ibm Uk Ltd Li
Richard Han
John Smith
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE60109467D1 publication Critical patent/DE60109467D1/de
Application granted granted Critical
Publication of DE60109467T2 publication Critical patent/DE60109467T2/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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • 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
    • 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
    • H04L63/12—Applying verification of the received information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H04L65/103—Media gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H04L65/104—Signalling gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Mathematical Physics (AREA)
  • Information Transfer Between Computers (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Eye Examination Apparatus (AREA)
DE60109467T 2000-09-26 2001-09-19 Verfahren und vorrichtung zur übertragung von netzwerkinformationen durch sichere transkodierung Expired - Lifetime DE60109467T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US670295 2000-09-26
US09/670,295 US6963972B1 (en) 2000-09-26 2000-09-26 Method and apparatus for networked information dissemination through secure transcoding
PCT/GB2001/004167 WO2002028006A2 (en) 2000-09-26 2001-09-19 Method and apparatus for networked information dissemination through secure transcoding

Publications (2)

Publication Number Publication Date
DE60109467D1 true DE60109467D1 (de) 2005-04-21
DE60109467T2 DE60109467T2 (de) 2006-04-13

Family

ID=24689825

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60109467T Expired - Lifetime DE60109467T2 (de) 2000-09-26 2001-09-19 Verfahren und vorrichtung zur übertragung von netzwerkinformationen durch sichere transkodierung

Country Status (9)

Country Link
US (1) US6963972B1 (de)
EP (1) EP1320973B1 (de)
JP (1) JP2004511037A (de)
KR (1) KR100561496B1 (de)
CN (1) CN1204723C (de)
AT (1) ATE291318T1 (de)
AU (1) AU2001290059A1 (de)
DE (1) DE60109467T2 (de)
WO (1) WO2002028006A2 (de)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7346695B1 (en) 2002-10-28 2008-03-18 F5 Networks, Inc. System and method for performing application level persistence
AU2001294168A1 (en) * 2000-10-03 2002-04-15 Vidius Inc. Secure distribution of digital content
CN1401188B (zh) * 2000-10-17 2011-06-08 皇家菲利浦电子有限公司 Mpeg-7样品的二进制格式
US9311499B2 (en) * 2000-11-13 2016-04-12 Ron M. Redlich Data security system and with territorial, geographic and triggering event protocol
EP1973294A1 (de) * 2001-01-30 2008-09-24 Electronics and Telecommunications Research Institute Verfahren und Vorrichtung zur Lieferung von auf Multimedia-Inhalten synchronisierte Metadaten
US20030028643A1 (en) * 2001-03-13 2003-02-06 Dilithium Networks, Inc. Method and apparatus for transcoding video and speech signals
US7184548B2 (en) * 2001-05-04 2007-02-27 Hewlett-Packard Development Company, L.P. Encoding and decoding methods for secure scalable streaming and related systems
SE520531C2 (sv) * 2001-05-11 2003-07-22 Ericsson Telefon Ab L M Multimediapresentation
US20030046532A1 (en) * 2001-08-31 2003-03-06 Matthew Gast System and method for accelerating cryptographically secured transactions
US7353287B2 (en) 2001-09-26 2008-04-01 Adobe Systems Incorporated Marked foreign data blocks
US20050091376A1 (en) * 2001-10-12 2005-04-28 Helfman Nadav B. Apparatus and method for optimized and secured reflection of network services to remote locations
KR100431509B1 (ko) * 2001-12-20 2004-05-14 한국전자통신연구원 메소드 내장형 컨텐츠 처리 장치 및 그 방법
AU2003207495A1 (en) 2002-01-08 2003-07-24 Seven Networks, Inc. Connection architecture for a mobile network
US7328345B2 (en) * 2002-01-29 2008-02-05 Widevine Technologies, Inc. Method and system for end to end securing of content for video on demand
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
US7539391B2 (en) * 2002-06-27 2009-05-26 Nxp B.V. Method and apparatus for trick-mode support of audio/video/data streams with conditional access
WO2004006559A2 (en) * 2002-07-09 2004-01-15 Kaleidescape, Inc. Secure presentation of encrypted digital content
GB0221433D0 (en) * 2002-09-16 2002-10-23 Infinite Data Storage Ltd Direct connection of an optical data storage device and a consumer electronic device
GB2394386A (en) * 2002-10-16 2004-04-21 Nokia Corp Multicast data transfer
US8893174B2 (en) 2002-12-16 2014-11-18 Centurylink Intellectual Property Llc Method and system for providing customized media content
US7500096B2 (en) * 2002-12-31 2009-03-03 Pitney Bowes Inc. System and method for message filtering by a trusted third party
KR100513297B1 (ko) * 2003-01-24 2005-09-09 삼성전자주식회사 인트라넷에서의 멀티미디어 컨텐츠 관리 시스템 및 방법
US7320069B1 (en) * 2003-02-14 2008-01-15 Novell, Inc. Selective encryption of media data
US7653876B2 (en) * 2003-04-07 2010-01-26 Adobe Systems Incorporated Reversible document format
BRPI0409618A (pt) * 2003-04-22 2006-04-18 Voice Genesis Inc sistema de transmissão de mensagem de multimìdia para usuários finais de remetente e recebedor, e, método para interconectar vários dispositivos de comunicação
US20050266884A1 (en) * 2003-04-22 2005-12-01 Voice Genesis, Inc. Methods and systems for conducting remote communications
US7581094B1 (en) * 2003-07-09 2009-08-25 Hewlett-Packard Development Company, L.P. Cryptographic checksums enabling data manipulation and transcoding
GB0317571D0 (en) * 2003-07-26 2003-08-27 Koninkl Philips Electronics Nv Content identification for broadcast media
DE10350083A1 (de) * 2003-10-27 2005-06-23 Siemens Ag Verfahren zum Übertragen von verschlüsselten Nutzdatenobjekten
US7505590B1 (en) * 2003-11-14 2009-03-17 Hewlett-Packard Development Company, L.P. Method and system for providing transcodability to frame coded streaming media
US8737219B2 (en) 2004-01-30 2014-05-27 Hewlett-Packard Development Company, L.P. Methods and systems that use information about data packets to determine an order for sending the data packets
US7966488B2 (en) 2004-01-30 2011-06-21 Hewlett-Packard Development Company, L. P. Methods and systems that use information about encrypted data packets to determine an order for sending the data packets
US20050172127A1 (en) * 2004-01-31 2005-08-04 Frank Hartung System and method for transcoding encrypted multimedia messages transmitted between two devices
US20050207569A1 (en) * 2004-03-16 2005-09-22 Exavio, Inc Methods and apparatus for preparing data for encrypted transmission
US7739301B2 (en) * 2004-03-17 2010-06-15 Netapp, Inc. Method and apparatus for improving file system proxy performance and security by distributing information to clients via file handles
US20050213751A1 (en) * 2004-03-26 2005-09-29 Apostolopoulos John J Methods and systems for generating transcodable encrypted content
US20060242406A1 (en) 2005-04-22 2006-10-26 Microsoft Corporation Protected computing environment
US7818444B2 (en) 2004-04-30 2010-10-19 Move Networks, Inc. Apparatus, system, and method for multi-bitrate content streaming
US7676590B2 (en) 2004-05-03 2010-03-09 Microsoft Corporation Background transcoding
US8645472B2 (en) * 2004-07-26 2014-02-04 Vringo Infrastructure Inc. System and method for informing a sender of a message of content adaptation and message failure issues
JP4520840B2 (ja) * 2004-12-02 2010-08-11 株式会社日立製作所 暗号化通信の中継方法、ゲートウェイサーバ装置、暗号化通信のプログラムおよび暗号化通信のプログラム記憶媒体
EP1677536A1 (de) * 2004-12-30 2006-07-05 Korea Electronics Technology Institute Verfahren zum Übertragen von nicht anonymen Benutzermetadaten in einem TV-Anytime Metadatendienst und unter Verwendung Soap-operation
US7669121B2 (en) 2005-01-19 2010-02-23 Microsoft Corporation Transcode matrix
US20060227772A1 (en) * 2005-03-30 2006-10-12 Fujitsu Limited Method and system for packet data communication between networks
US20060235883A1 (en) * 2005-04-18 2006-10-19 Krebs Mark S Multimedia system for mobile client platforms
US7558463B2 (en) 2005-04-18 2009-07-07 Microsoft Corporation Retention of information about digital-media rights in transformed digital media content
US7738766B2 (en) 2005-04-18 2010-06-15 Microsoft Corporation Sanctioned transcoding of digital-media content
US9436804B2 (en) 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
JP5171619B2 (ja) * 2005-06-23 2013-03-27 トムソン ライセンシング デジタル著作権管理（ｄｒｍ）に対応した携帯再生装置、方法及びシステム
US7924913B2 (en) 2005-09-15 2011-04-12 Microsoft Corporation Non-realtime data transcoding of multimedia content
US20070091926A1 (en) * 2005-10-21 2007-04-26 Apostolopoulos John G Method for optimizing portions of data from a plurality of data streams at a transcoding node
US8000344B1 (en) * 2005-12-20 2011-08-16 Extreme Networks, Inc. Methods, systems, and computer program products for transmitting and receiving layer 2 frames associated with different virtual local area networks (VLANs) over a secure layer 2 broadcast transport network
US7954092B2 (en) * 2005-12-24 2011-05-31 International Business Machines Corporation Creating an assured execution environment for at least one computer program executable on a computer system
US9294728B2 (en) 2006-01-10 2016-03-22 Imagine Communications Corp. System and method for routing content
US8176317B2 (en) * 2006-01-19 2012-05-08 Helius, Inc. System and method for multicasting IPSec protected communications
US8208796B2 (en) 2006-04-17 2012-06-26 Prus Bohdan S Systems and methods for prioritizing the storage location of media data
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
US8180920B2 (en) * 2006-10-13 2012-05-15 Rgb Networks, Inc. System and method for processing content
FR2907625B1 (fr) * 2006-10-18 2012-12-21 Streamezzo Procede de gestion de memoire dans un terminal client,signal programme d'ordinateur et terminal correspondants
US9106606B1 (en) * 2007-02-05 2015-08-11 F5 Networks, Inc. Method, intermediate device and computer program code for maintaining persistency
KR101402904B1 (ko) * 2007-06-13 2014-06-03 삼성전자주식회사 Ａ/ｖ 프로파일을 관리하는 방법, 장치 및 시스템
US8627509B2 (en) 2007-07-02 2014-01-07 Rgb Networks, Inc. System and method for monitoring content
CN101453321B (zh) * 2007-12-06 2012-02-29 国际商业机器公司 用于内容联合的访问控制的方法和系统
US8868464B2 (en) 2008-02-07 2014-10-21 Google Inc. Preventing unauthorized modification or skipping of viewing of advertisements within content
US8078989B2 (en) * 2008-02-29 2011-12-13 Red Hat, Inc. Internet access GUI for mobile devices
US7483630B1 (en) * 2008-03-08 2009-01-27 International Business Machines Corporation Exchanging asynchronous system information using optical transmission
FR2930662B1 (fr) * 2008-04-23 2010-05-21 Streamezzo Procede de securisation d'une scene evolutive, dispositif, signal et programme d'ordinateur correspondants, procede de mise a jour d'une scene evolutive, dispositif et programme d'ordinateur correspondants
US8566580B2 (en) 2008-07-23 2013-10-22 Finjan, Inc. Splitting an SSL connection between gateways
US8392704B2 (en) 2008-08-11 2013-03-05 International Business Machines Corporation Input/output control and efficiency in an encrypted file system
US9473812B2 (en) * 2008-09-10 2016-10-18 Imagine Communications Corp. System and method for delivering content
WO2010031069A2 (en) * 2008-09-15 2010-03-18 Realnetworks, Inc. Secure media path system and method
US9247276B2 (en) * 2008-10-14 2016-01-26 Imagine Communications Corp. System and method for progressive delivery of media content
CN102301679A (zh) 2009-01-20 2011-12-28 Rgb网络有限公司 用于拼接媒体文件的系统和方法
CA2767368C (en) 2009-08-14 2013-10-08 Azuki Systems, Inc. Method and system for unified mobile content protection
US8527748B2 (en) * 2010-10-01 2013-09-03 Schneider Electric USA, Inc. System and method for hosting encrypted monitoring data
US9210208B2 (en) 2011-06-21 2015-12-08 The Nielsen Company (Us), Llc Monitoring streaming media content
US9137210B1 (en) * 2012-02-21 2015-09-15 Amazon Technologies, Inc. Remote browsing session management
CN103384233B (zh) 2012-05-02 2017-06-20 华为技术有限公司 一种代理转换的方法、装置和系统
US20140019583A1 (en) * 2012-07-13 2014-01-16 Ittiam Systems (P) Ltd. Ingest bandwidth reduction for cloud based media services
US9100040B2 (en) * 2012-08-29 2015-08-04 Sap Se Data conversion based on a provided dictionary
US20150082051A1 (en) * 2013-09-18 2015-03-19 Ankur Aggarwal Method for Formatting and Distributing Electronic Data
US20150324088A1 (en) * 2014-05-09 2015-11-12 Lyve Minds, Inc. Thumbnail image creation
CN107409047B (zh) * 2014-12-19 2021-06-08 诺基亚通信公司 用于加密会话的协调分组递送的方法
US10601443B1 (en) 2016-08-24 2020-03-24 Arrowhead Center, Inc. Protocol for lightweight and provable secure communication for constrained devices
CN107092815A (zh) * 2017-03-31 2017-08-25 武汉斗鱼网络科技有限公司 一种保护模块文件的方法及服务器
CN109861944A (zh) * 2017-11-22 2019-06-07 浙江智贝信息科技有限公司 一种分布式信息安全处理及交互方法及其交互系统
US20230344810A1 (en) * 2022-04-26 2023-10-26 Rockwell Automation Technologies, Inc. Systems and methods for software telemetry pipeline agent

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5504816A (en) * 1994-02-02 1996-04-02 Gi Corporation Method and apparatus for controlling access to digital signals
US6072942A (en) * 1996-09-18 2000-06-06 Secure Computing Corporation System and method of electronic mail filtering using interconnected nodes
US6345303B1 (en) * 1997-03-25 2002-02-05 Intel Corporation Network proxy capable of dynamically selecting a destination device for servicing a client request
US6138158A (en) * 1998-04-30 2000-10-24 Phone.Com, Inc. Method and system for pushing and pulling data using wideband and narrowband transport systems
FI105743B (fi) * 1998-05-27 2000-09-29 Nokia Mobile Phones Ltd Menetelmä multimediaviestien välittämiseksi ja multimediaviestien välitysjärjestelmä
DE69824975T2 (de) * 1998-07-13 2005-08-25 International Business Machines Corp. Verfahren zur übertragung von informationsdaten von einem sender zu einem empfänger über einen transcoder
US6553393B1 (en) * 1999-04-26 2003-04-22 International Business Machines Coporation Method for prefetching external resources to embedded objects in a markup language data stream

Also Published As

Publication number Publication date
CN1204723C (zh) 2005-06-01
WO2002028006A2 (en) 2002-04-04
EP1320973A2 (de) 2003-06-25
EP1320973B1 (de) 2005-03-16
AU2001290059A1 (en) 2002-04-08
JP2004511037A (ja) 2004-04-08
ATE291318T1 (de) 2005-04-15
US6963972B1 (en) 2005-11-08
WO2002028006A3 (en) 2002-07-18
CN1466839A (zh) 2004-01-07
KR100561496B1 (ko) 2006-03-20
DE60109467T2 (de) 2006-04-13
KR20030040481A (ko) 2003-05-22

Similar Documents

Publication Publication Date Title
DE60109467D1 (de) Verfahren und vorrichtung zur übertragung von netzwerkinformationen durch sichere transkodierung
US10320759B2 (en) Streaming system and method
KR101026565B1 (ko) Ｒｔｐ 페이로드 포멧
WO2004081719A3 (en) Methods and systems for digital rights management of protected content
WO2002021761A3 (en) Apparatus and method for selectively encrypting different the payload portion of multimedia data sent over a network
ATE405077T1 (de) Verfahren und vorrichtung zur verschlüsselung von elektronischer post
CN108881205B (zh) 一种hls流媒体的安全播放系统及播放方法
ATE282273T1 (de) Verhandlung von sicheren verbindungen durch einen proxy-server
WO2002091665A3 (en) Method and system for secure transcoding
WO2004045213A3 (en) Efficient distribution of encrypted content for multiple content access systems
WO2012129549A1 (en) System and methods for providing live streaming content using digital rights management-based key management
CY1109389T1 (el) Μια μεθοδος κρυπτογραφησης και μεταφορας δεδομενων μεταξυ ενος αποστολεα και ενος παραληπτη χρησιμοποιωντας ενα δικτυο
ATE405055T1 (de) Architektur zur gesicherten paketbasierten datenverteilung
ATE290278T1 (de) System und verfahren zur analyse von universellen netzen
EP1738276A4 (de) Verfahren zum verschlüsseln einer spielfilmdatei und dieses verwendendes verfahren zur verwaltung digitaler rechte
WO2005104000A3 (en) Method and system for selectively providing access to content
MXPA05007550A (es) Sistema para la desencriptacion segura de medios de flujo utilizando desencriptacion selectiva de informacion de cabecera.
CN109005027B (zh) 一种随机数据加解密法、装置及系统
NO20074585L (no) Rettighetsforvaltningssystem for strommende multimedia-innhold
ATE426298T1 (de) Verfahren zur datenubermittlung zwischen einem lokalem server und lokalen klienten
WO2002014986A3 (en) Method and apparatus for controlling or monitoring access to the content of a telecommunicable data file
GB0003365D0 (en) Methods of computer programs for and apparatus for providing and accessing digital content
ATE387774T1 (de) Verfahren und vorrichtung zur gesicherten übertragung von daten zwischen teilnehmern
KR20170084802A (ko) 단말기들 간의 보안 데이터 송수신 방법 및 시스템
WO2001046773A3 (en) Method and apparatus for transmitting data

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7