DE60131990D1 - Vorrichtung und verfahren zur selektiven verschlüsselung von über ein netzwerk zu übertragenden multimediadaten - Google Patents

Vorrichtung und verfahren zur selektiven verschlüsselung von über ein netzwerk zu übertragenden multimediadaten

Info

Publication number
DE60131990D1
DE60131990D1 DE60131990T DE60131990T DE60131990D1 DE 60131990 D1 DE60131990 D1 DE 60131990D1 DE 60131990 T DE60131990 T DE 60131990T DE 60131990 T DE60131990 T DE 60131990T DE 60131990 D1 DE60131990 D1 DE 60131990D1
Authority
DE
Germany
Prior art keywords
network
payload portion
data packet
data
transmitted
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
DE60131990T
Other languages
English (en)
Other versions
DE60131990T3 (de
DE60131990T2 (de
Inventor
Brad Kollmyer
Brian Baker
Eric Shapiro
Aric Kollmyer
Mike Rutman
Duncan Maclean
Dan Robertson
Neal Taylor
Dick Hunsche
Amanda Walker
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.)
Widevine Technologies Inc
Original Assignee
Widevine Technologies 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=24631923&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60131990(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Widevine Technologies Inc filed Critical Widevine Technologies Inc
Application granted granted Critical
Publication of DE60131990D1 publication Critical patent/DE60131990D1/de
Publication of DE60131990T2 publication Critical patent/DE60131990T2/de
Publication of DE60131990T3 publication Critical patent/DE60131990T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/70Media network packetisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • H04L65/765Media network packet handling intermediate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2347Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23476Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/8166Monomedia components thereof involving executable data, e.g. software
    • H04N21/8193Monomedia components thereof involving executable data, e.g. software dedicated tools, e.g. video decoder software or IPMP tool
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
DE60131990.7T 2000-09-06 2001-09-06 Vorrichtung und verfahren zur selektiven verschlüsselung von über ein netzwerk zu übertragenden multimediadaten Expired - Lifetime DE60131990T3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US656166 2000-09-06
US09/656,166 US7165175B1 (en) 2000-09-06 2000-09-06 Apparatus, system and method for selectively encrypting different portions of data sent over a network
PCT/US2001/027518 WO2002021761A2 (en) 2000-09-06 2001-09-06 Apparatus and method for selectively encrypting different the payload portion of multimedia data sent over a network
EP01968511.4A EP1317839B2 (de) 2000-09-06 2001-09-06 Vorrichtung und verfahren zur selektiven verschlüsselung von über ein netzwerk zu übertragenden multimediadaten

Publications (3)

Publication Number Publication Date
DE60131990D1 true DE60131990D1 (de) 2008-01-31
DE60131990T2 DE60131990T2 (de) 2009-01-02
DE60131990T3 DE60131990T3 (de) 2019-06-06

Family

ID=24631923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60131990.7T Expired - Lifetime DE60131990T3 (de) 2000-09-06 2001-09-06 Vorrichtung und verfahren zur selektiven verschlüsselung von über ein netzwerk zu übertragenden multimediadaten

Country Status (11)

Country Link
US (2) US7165175B1 (de)
EP (2) EP1916818A3 (de)
JP (1) JP2004511931A (de)
AT (1) ATE381840T1 (de)
AU (1) AU2001288755A1 (de)
CY (1) CY1107275T1 (de)
DE (1) DE60131990T3 (de)
DK (1) DK1317839T3 (de)
ES (1) ES2296798T3 (de)
PT (1) PT1317839E (de)
WO (1) WO2002021761A2 (de)

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ES2296798T3 (es) 2008-05-01
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WO2002021761A3 (en) 2003-03-06
DE60131990T3 (de) 2019-06-06
AU2001288755A1 (en) 2002-03-22
US7376831B2 (en) 2008-05-20
DK1317839T3 (da) 2008-01-28
US20070101123A1 (en) 2007-05-03
EP1317839A2 (de) 2003-06-11
WO2002021761A2 (en) 2002-03-14
US7165175B1 (en) 2007-01-16
PT1317839E (pt) 2008-01-10
EP1916818A2 (de) 2008-04-30
DE60131990T2 (de) 2009-01-02
JP2004511931A (ja) 2004-04-15
EP1317839B1 (de) 2007-12-19
EP1317839B2 (de) 2019-01-16
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