HK1134609A1 - Native scrambling system - Google Patents

Native scrambling system

Info

Publication number
HK1134609A1
HK1134609A1 HK10102532.9A HK10102532A HK1134609A1 HK 1134609 A1 HK1134609 A1 HK 1134609A1 HK 10102532 A HK10102532 A HK 10102532A HK 1134609 A1 HK1134609 A1 HK 1134609A1
Authority
HK
Hong Kong
Prior art keywords
packets
data
scrambling
initial value
msc
Prior art date
Application number
HK10102532.9A
Other languages
English (en)
Inventor
Chaim Shen-Orr
Eliphaz Hibshoosh
Yaacov Belenky
Jordan Yaakov Levy
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
Application filed by Nds Ltd filed Critical Nds Ltd
Publication of HK1134609A1 publication Critical patent/HK1134609A1/xx

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
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23476—Processing 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
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary 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]
    • H04N21/40—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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
HK10102532.9A 2005-05-02 2010-03-11 Native scrambling system HK1134609A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IL16833705 2005-05-02
IL16849605 2005-05-09
IL17098705 2005-09-20
PCT/IL2006/000367 WO2006117775A2 (fr) 2005-05-02 2006-03-22 Systeme de brouillage natif

Publications (1)

Publication Number Publication Date
HK1134609A1 true HK1134609A1 (en) 2010-04-30

Family

ID=37308380

Family Applications (1)

Application Number Title Priority Date Filing Date
HK10102532.9A HK1134609A1 (en) 2005-05-02 2010-03-11 Native scrambling system

Country Status (7)

Country Link
US (1) US7940930B2 (fr)
EP (2) EP1877948B1 (fr)
KR (1) KR101132296B1 (fr)
CN (1) CN101536394B (fr)
HK (1) HK1134609A1 (fr)
IL (1) IL186570A (fr)
WO (1) WO2006117775A2 (fr)

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IL199616A0 (en) * 2009-06-28 2010-05-17 Chaim Shen Orr Pattern-free encryption
US8400995B2 (en) 2010-09-22 2013-03-19 Freescale Semiconductor, Inc. System and method for descrambling data
IL214743A0 (en) 2011-08-18 2012-02-29 Nds Ltd Block cipher modes of operation
US9967191B2 (en) 2013-07-25 2018-05-08 Cisco Technology, Inc. Receiver-signaled entropy labels for traffic forwarding in a computer network
CN115801321B (zh) * 2022-10-20 2023-11-14 北京海泰方圆科技股份有限公司 一种数据组合加密方法及装置

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Also Published As

Publication number Publication date
WO2006117775A2 (fr) 2006-11-09
AU2006242833A1 (en) 2006-11-09
US7940930B2 (en) 2011-05-10
EP1877948A2 (fr) 2008-01-16
US20080137851A1 (en) 2008-06-12
EP1877948A4 (fr) 2010-07-14
WO2006117775A3 (fr) 2009-04-30
CN101536394A (zh) 2009-09-16
IL186570A0 (en) 2008-04-13
KR20080007497A (ko) 2008-01-21
IL186570A (en) 2012-02-29
EP1877948B1 (fr) 2013-07-03
EP2579497A1 (fr) 2013-04-10
KR101132296B1 (ko) 2012-04-05
CN101536394B (zh) 2012-05-30

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