AU3752599A - Multimedia adaptive scrambling system (mass) - Google Patents

Multimedia adaptive scrambling system (mass)

Info

Publication number
AU3752599A
AU3752599A AU37525/99A AU3752599A AU3752599A AU 3752599 A AU3752599 A AU 3752599A AU 37525/99 A AU37525/99 A AU 37525/99A AU 3752599 A AU3752599 A AU 3752599A AU 3752599 A AU3752599 A AU 3752599A
Authority
AU
Australia
Prior art keywords
mass
scrambling system
adaptive scrambling
multimedia adaptive
multimedia
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.)
Abandoned
Application number
AU37525/99A
Inventor
Naoki Endoh
Taku Katoh
S. Katherine Lam
Chong U Lee
Kamran Moallemi
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.)
Solana Technology Development Corp
Original Assignee
Solana Technology Development 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 Solana Technology Development Corp filed Critical Solana Technology Development Corp
Publication of AU3752599A publication Critical patent/AU3752599A/en
Abandoned legal-status Critical Current

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]
    • H04N21/80—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic 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
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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 or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • 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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU37525/99A 1998-04-21 1999-04-20 Multimedia adaptive scrambling system (mass) Abandoned AU3752599A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8248898P 1998-04-21 1998-04-21
US60082488 1998-04-21
PCT/US1999/008635 WO1999055089A1 (en) 1998-04-21 1999-04-20 Multimedia adaptive scrambling system (mass)

Publications (1)

Publication Number Publication Date
AU3752599A true AU3752599A (en) 1999-11-08

Family

ID=22171545

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37525/99A Abandoned AU3752599A (en) 1998-04-21 1999-04-20 Multimedia adaptive scrambling system (mass)

Country Status (8)

Country Link
EP (1) EP1095517A1 (en)
JP (1) JP2002512494A (en)
KR (1) KR20010034802A (en)
CN (1) CN1151673C (en)
AU (1) AU3752599A (en)
CA (1) CA2329315A1 (en)
MX (1) MXPA00010337A (en)
WO (1) WO1999055089A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7177429B2 (en) 2000-12-07 2007-02-13 Blue Spike, Inc. System and methods for permitting open access to data objects and for securing data within the data objects
US6760442B1 (en) * 1998-12-18 2004-07-06 Sun Microsystems, Inc. Method and apparatus for adjusting the quality of digital media
WO2000052923A1 (en) * 1999-03-02 2000-09-08 Koninklijke Philips Electronics N.V. Method and arrangement for scrambling and descrambling information
US7664264B2 (en) 1999-03-24 2010-02-16 Blue Spike, Inc. Utilizing data reduction in steganographic and cryptographic systems
JP4110690B2 (en) * 1999-10-18 2008-07-02 ヤマハ株式会社 Data generation method, recording apparatus, recording medium, and reproducing apparatus
WO2002079955A2 (en) 2001-03-28 2002-10-10 Nds Limited Digital rights management system and method
BR0204835A (en) * 2001-04-18 2003-06-10 Koninkl Philips Electronics Nv Methods for encoding an audio signal, and for decoding an audio stream, audio encoder, audio player, audio system, audio stream, and storage medium
US7287275B2 (en) 2002-04-17 2007-10-23 Moskowitz Scott A Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth
US7752446B2 (en) 2002-05-15 2010-07-06 International Business Machines Corporation System and method for digital watermarking of data repository
FR2845543B1 (en) * 2002-10-03 2005-02-04 Medialive SECURE AUDIO STREAMING SYSTEM
US7630492B2 (en) 2002-10-03 2009-12-08 Daniel Lecomte Secure audio stream scramble system
GB2400285A (en) 2003-03-31 2004-10-06 Sony Uk Ltd Digital audio processing
FR2875658B1 (en) * 2004-09-21 2007-03-02 Commissariat Energie Atomique ESTIMATING THE MOST NOISE INTERFERENCE SIGNAL RATIO AT THE OUTPUT OF AN OFDM-CDMA RECEIVER.
US20070083467A1 (en) * 2005-10-10 2007-04-12 Apple Computer, Inc. Partial encryption techniques for media data
US8055903B2 (en) * 2007-02-15 2011-11-08 Avaya Inc. Signal watermarking in the presence of encryption
GB2462969A (en) * 2007-06-28 2010-03-03 Taptu Ltd Audio thumbnail
CN102156734B (en) * 2011-04-12 2013-05-29 西南科技大学 Video content management method based on semantic hidden indexing
CN115695675B (en) * 2023-01-03 2023-03-10 北京特立信电子技术股份有限公司 Video encryption method for network data secure exchange

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784743A (en) * 1972-08-23 1974-01-08 Bell Telephone Labor Inc Parallel data scrambler
US5185794A (en) * 1990-08-06 1993-02-09 Nec Home Electronics, Ltd. System and method for scrambling and/or descrambling a video signal
JPH0730855A (en) * 1993-07-08 1995-01-31 Sony Corp Recording method for video data

Also Published As

Publication number Publication date
JP2002512494A (en) 2002-04-23
CA2329315A1 (en) 1999-10-28
CN1151673C (en) 2004-05-26
MXPA00010337A (en) 2003-05-19
WO1999055089A1 (en) 1999-10-28
CN1301460A (en) 2001-06-27
KR20010034802A (en) 2001-04-25
EP1095517A1 (en) 2001-05-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase