ATE470311T1 - Verarbeitung von verschlüsseltem datenpaketstrom - Google Patents

Verarbeitung von verschlüsseltem datenpaketstrom

Info

Publication number
ATE470311T1
ATE470311T1 AT03706882T AT03706882T ATE470311T1 AT E470311 T1 ATE470311 T1 AT E470311T1 AT 03706882 T AT03706882 T AT 03706882T AT 03706882 T AT03706882 T AT 03706882T AT E470311 T1 ATE470311 T1 AT E470311T1
Authority
AT
Austria
Prior art keywords
processing
packet stream
data packet
encrypted data
scrambled
Prior art date
Application number
AT03706882T
Other languages
English (en)
Inventor
Moshe Shlissel
Kevin Murray
Colin Davies
Original Assignee
Nds Ltd
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
Priority claimed from GBGB0204190.3A external-priority patent/GB0204190D0/en
Application filed by Nds Ltd filed Critical Nds Ltd
Application granted granted Critical
Publication of ATE470311T1 publication Critical patent/ATE470311T1/de

Links

Classifications

    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
AT03706882T 2002-02-22 2003-02-17 Verarbeitung von verschlüsseltem datenpaketstrom ATE470311T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0204190.3A GB0204190D0 (en) 2002-02-22 2002-02-22 Apparatus and methods for processing scrambled streams
US36063502P 2002-03-01 2002-03-01
PCT/IL2003/000124 WO2003071799A2 (en) 2002-02-22 2003-02-17 Scrambled packet stream processing

Publications (1)

Publication Number Publication Date
ATE470311T1 true ATE470311T1 (de) 2010-06-15

Family

ID=27758834

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03706882T ATE470311T1 (de) 2002-02-22 2003-02-17 Verarbeitung von verschlüsseltem datenpaketstrom

Country Status (7)

Country Link
US (1) US9118941B2 (de)
EP (1) EP1502437B1 (de)
AT (1) ATE470311T1 (de)
AU (1) AU2003208588A1 (de)
DE (1) DE60332828D1 (de)
IL (1) IL162470A0 (de)
WO (1) WO2003071799A2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6792449B2 (en) * 2001-06-28 2004-09-14 Microsoft Corporation Startup methods and apparatuses for use in streaming content
US7725557B2 (en) 2002-06-24 2010-05-25 Microsoft Corporation Client-side caching of streaming media content
US7385926B2 (en) * 2002-11-25 2008-06-10 Intel Corporation Apparatus to speculatively identify packets for transmission and method therefor
US8204076B2 (en) * 2003-05-01 2012-06-19 Genesis Microchip Inc. Compact packet based multimedia interface
US8059673B2 (en) 2003-05-01 2011-11-15 Genesis Microchip Inc. Dynamic resource re-allocation in a packet based video display interface
US7839860B2 (en) 2003-05-01 2010-11-23 Genesis Microchip Inc. Packet based video display interface
US8068485B2 (en) * 2003-05-01 2011-11-29 Genesis Microchip Inc. Multimedia interface
US7405719B2 (en) * 2003-05-01 2008-07-29 Genesis Microchip Inc. Using packet transfer for driving LCD panel driver electronics
US20040268400A1 (en) * 2003-06-26 2004-12-30 Microsoft Corporation Quick starting video content
US7054774B2 (en) * 2003-06-27 2006-05-30 Microsoft Corporation Midstream determination of varying bandwidth availability
US7391717B2 (en) * 2003-06-30 2008-06-24 Microsoft Corporation Streaming of variable bit rate multimedia content
US7634090B2 (en) 2003-09-26 2009-12-15 Genesis Microchip Inc. Packet based high definition high-bandwidth digital content protection
US7162533B2 (en) 2004-04-30 2007-01-09 Microsoft Corporation Session description message extensions
KR20060113522A (ko) * 2005-04-28 2006-11-02 삼성전자주식회사 디지털 방송수신기의 비디오복호기 초기화장치 및 방법
US20090251616A1 (en) * 2005-04-28 2009-10-08 Samsung Electronics Co., Ltd. Apparatus and method for processing data in digital broadcasting receiver
CN101346992B (zh) * 2005-12-23 2010-12-22 皇家飞利浦电子股份有限公司 处理数据流的设备和方法
KR101419287B1 (ko) * 2006-07-07 2014-07-14 삼성전자주식회사 Ｉｐｄｃ 서비스를 제공하는 장치 및 방법 및 ｉｐｄｃ서비스를 처리하는 장치 및 방법
JP5351039B2 (ja) * 2007-11-01 2013-11-27 パナソニック株式会社 記録媒体、再生装置、記録装置、再生方法、及び記録方法
US8156238B2 (en) 2009-05-13 2012-04-10 Stmicroelectronics, Inc. Wireless multimedia transport method and apparatus
US8429440B2 (en) 2009-05-13 2013-04-23 Stmicroelectronics, Inc. Flat panel display driver method and system
US8837453B2 (en) * 2009-05-28 2014-09-16 Symbol Technologies, Inc. Methods and apparatus for transmitting data based on interframe dependencies
US8671234B2 (en) 2010-05-27 2014-03-11 Stmicroelectronics, Inc. Level shifting cable adaptor and chip system for use with dual-mode multi-media device
US8630412B2 (en) 2010-08-25 2014-01-14 Motorola Mobility Llc Transport of partially encrypted media
CN105809046A (zh) * 2010-12-15 2016-07-27 成都科创知识产权研究所 数据高效加密方法及系统
US9271016B2 (en) * 2013-03-15 2016-02-23 Verimatrix, Inc. Reformatting media streams to include auxiliary data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0152788B1 (ko) * 1994-11-26 1998-10-15 이헌조 디지탈 영상 시스템의 복사 방지 방법 및 장치
US5517502A (en) 1995-03-02 1996-05-14 Zenith Electronics Corp. Upstream transmission using multiple transmission tags and downstream acknowledgements in conditional access packets
US6445738B1 (en) 1996-04-25 2002-09-03 Opentv, Inc. System and method for creating trick play video streams from a compressed normal play video bitstream
CA2366301C (en) 1999-03-15 2010-07-13 Thomson Licensing S.A. A global copy protection system for digital home networks
WO2002015579A1 (en) 2000-05-02 2002-02-21 General Instrument Corporation Method and apparatus for enabling random access to individual pictures in an encrypted video stream
JP4331876B2 (ja) * 2000-09-18 2009-09-16 パナソニック株式会社 デジタル信号記録再生システム
US20030237089A1 (en) * 2000-11-15 2003-12-25 Wajs Andrew Augustine System for scrambling content, and system for descrambling scrambled content

Also Published As

Publication number Publication date
US20050157714A1 (en) 2005-07-21
WO2003071799A3 (en) 2004-04-08
WO2003071799A2 (en) 2003-08-28
IL162470A0 (en) 2005-11-20
AU2003208588A1 (en) 2003-09-09
EP1502437B1 (de) 2010-06-02
AU2003208588A8 (en) 2003-09-09
US9118941B2 (en) 2015-08-25
EP1502437A2 (de) 2005-02-02
DE60332828D1 (de) 2010-07-15

Similar Documents

Publication Publication Date Title
DE60332828D1 (de) Verarbeitung von verschlüsseltem datenpaketstrom
DE60024941D1 (de) Verschlüsselungsverfahren und -Vorrichtung, Entschlüsselungsverfahren und -Vorrichtung
AU2003267821A1 (en) Encryption apparatus, decryption apparatus and encryption system
AU2002254443A1 (en) Method and apparatus for streaming data using rotating cryptographic keys
AU2297402A (en) Secure packet-based data broadcasting architecture
GB2433008B (en) Method, apparatus and program for establishing encrypted communication channel between apparatuses
SE9702172L (sv) Sätt för kryptering av information
WO2005008398A3 (en) Apparatus and method for a secure broadcast system
DE60237292D1 (de) Vorrichtung und Verfahren zur Paketweiterleitung
AU2003302094A1 (en) Cryptographic methods and apparatus for secure authentication
TW200518547A (en) Packet based high definition high-bandwidth digital content protection
ATE504013T1 (de) Verfahren und vorrichtung zur verteilung von satellitennavigation
IL187662A0 (en) Encryption processing apparatus, encryption method, decryption processing apparatus, decryption method and data structure
AU2003251245A1 (en) Method for creating and processing data streams that contain encrypted and decrypted data
AU2003262646A8 (en) Information communication apparatus and method
BR0207581A (pt) Criptografação de uma corrente de vìdeo comprimida
WO2006062669A3 (en) Method and system for decryption of encrypted packets
NO20025013L (no) Innretning og fremgangsmåte for numerisk gruppeutgivelse, krypteringsinnretning og dekrypteringsinnretning
WO2006091528A8 (en) System and method for three-phase data encryption
WO2002011390A3 (en) Network security accelerator
TW200605547A (en) Method and apparatus for processing header bits and payload bits
DE60108291D1 (de) Datenstromverschlüsselungsverfahren, Entschlüsselungsverfahren und kryptographisches Kommunikationssystem
GB0308380D0 (en) Methods and apparatus for encryption and decryption
TW200518543A (en) Apparatus and method for a secure broadcast system
EP1708484A3 (de) Verschlüsselungssystem, Verschlüsselungsvorrichtung und Entschlüsselungsvorrichtung

Legal Events

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