HU0004368A3 - Method and apparatus for recording of encrypted digital data - Google Patents

Method and apparatus for recording of encrypted digital data

Info

Publication number
HU0004368A3
HU0004368A3 HU0004368A HU0004368A HU0004368A3 HU 0004368 A3 HU0004368 A3 HU 0004368A3 HU 0004368 A HU0004368 A HU 0004368A HU 0004368 A HU0004368 A HU 0004368A HU 0004368 A3 HU0004368 A3 HU 0004368A3
Authority
HU
Hungary
Prior art keywords
recording
apparatus
method
digital data
encrypted digital
Prior art date
Application number
HU0004368A
Other versions
HU0004368A2 (en
Original Assignee
Canal Plus Sa
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 to EP97402238A priority Critical patent/EP0912052A1/en
Application filed by Canal Plus Sa filed Critical Canal Plus Sa
Priority to PCT/IB1998/001511 priority patent/WO1999016244A1/en
Publication of HU0004368A2 publication Critical patent/HU0004368A2/en
Publication of HU0004368A3 publication Critical patent/HU0004368A3/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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
    • 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
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/418External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/432Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/433Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334Recording operations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing 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
    • H04N21/4405Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing 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
    • H04N21/4408Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00478Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier wherein contents are decrypted and re-encrypted with a different key when being copied from/to a record carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
HU0004368A 1997-09-25 1998-09-22 Method and apparatus for recording of encrypted digital data HU0004368A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97402238A EP0912052A1 (en) 1997-09-25 1997-09-25 Method and apparatus for recording of encrypted digital data
PCT/IB1998/001511 WO1999016244A1 (en) 1997-09-25 1998-09-22 Method and apparatus for recording of encrypted digital data

Publications (2)

Publication Number Publication Date
HU0004368A2 HU0004368A2 (en) 2001-03-28
HU0004368A3 true HU0004368A3 (en) 2003-03-28

Family

ID=8229856

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0004368A HU0004368A3 (en) 1997-09-25 1998-09-22 Method and apparatus for recording of encrypted digital data

Country Status (19)

Country Link
EP (2) EP0912052A1 (en)
JP (1) JP2001517901A (en)
KR (1) KR100565469B1 (en)
CN (1) CN1279861A (en)
AT (1) AT284596T (en)
AU (1) AU749106B2 (en)
BR (1) BR9812519B1 (en)
CA (1) CA2304142A1 (en)
DE (1) DE69828071T2 (en)
HR (1) HRP20000146A2 (en)
HU (1) HU0004368A3 (en)
ID (1) ID23893A (en)
IL (1) IL135225D0 (en)
NO (1) NO324650B1 (en)
NZ (1) NZ503813A (en)
PL (1) PL339456A1 (en)
TR (1) TR200000776T2 (en)
WO (1) WO1999016244A1 (en)
ZA (1) ZA9808703B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1196330C (en) * 1998-08-31 2005-04-06 汤姆森许可公司 Copy protection system for home networks
US6229895B1 (en) 1999-03-12 2001-05-08 Diva Systems Corp. Secure distribution of video on-demand
JP2000322825A (en) * 1999-05-13 2000-11-24 Hitachi Ltd Digital signal-recording apparatus
DE19923250A1 (en) * 1999-05-20 2000-11-23 Beta Res Gmbh Data distribution security system stores data encrypted with individual key prevents unauthorized distribution
KR100605825B1 (en) * 1999-09-14 2006-07-31 삼성전자주식회사 A copy protection apparatus and method of a broadcast receiving system having a hdd
EP1111924A1 (en) * 1999-12-22 2001-06-27 Irdeto Access B.V. Method for controlling the use of a program signal in a broadcast system, and control device for a receiver for carrying out such a method
WO2001050755A1 (en) * 2000-01-05 2001-07-12 Nds Limited Digital content delivery system and method
US7457414B1 (en) 2000-07-21 2008-11-25 The Directv Group, Inc. Super encrypted storage and retrieval of media programs with smartcard generated keys
US6959090B1 (en) 2000-11-20 2005-10-25 Nokia Corporation Content Protection scheme for a digital recording device
MY129368A (en) 2001-01-16 2007-03-30 Nagravision Sa Method to store encrypted data
US6725459B2 (en) 2001-02-09 2004-04-20 Scientific-Atlanta, Inc. Descrambling device for use in a conditional access system
DE10135888A1 (en) * 2001-07-24 2003-03-13 Scm Microsystems Gmbh A method for local recording of digital data for digital television
JP4690600B2 (en) * 2001-08-23 2011-06-01 富士通株式会社 Data protection method
US7409562B2 (en) 2001-09-21 2008-08-05 The Directv Group, Inc. Method and apparatus for encrypting media programs for later purchase and viewing
US8082588B2 (en) * 2002-03-15 2011-12-20 Nagravision S.A. Secured storage method of encrypted data on a personal digital recorder
US7228439B2 (en) 2002-04-19 2007-06-05 Nagravision S.A. Management method of rights of a content encrypted and stored in a personal digital recorder
EP1512076A4 (en) * 2002-05-21 2010-10-20 Thomson Licensing Key transport tamper protection
JP2004054834A (en) 2002-07-24 2004-02-19 Matsushita Electric Ind Co Ltd Program development method, program development support device, and program packaging method
GB0217462D0 (en) * 2002-07-27 2002-09-04 Koninkl Philips Electronics Nv Storage of encrypted digital signals
JP4099039B2 (en) 2002-11-15 2008-06-11 松下電器産業株式会社 Program update method
IL155416D0 (en) * 2003-04-13 2003-11-23 Nds Ltd System for securing access to data streams
TW200511860A (en) 2003-05-14 2005-03-16 Nagracard Sa Duration computing method in a security module
EP1501304A1 (en) * 2003-07-23 2005-01-26 Axalto S.A. Procedure for monitoring the usage of a broadcasted content
KR100574974B1 (en) 2004-02-26 2006-05-02 삼성전자주식회사 Apparatus and method having conditional access and copy protection scheme for encoded broadcast data
KR100564731B1 (en) 2004-08-13 2006-03-28 (주)잉카엔트웍스 A method for providing data to a personal portable device via network and a system thereof
US20070169201A1 (en) * 2006-01-17 2007-07-19 Walker Glenn A Satellite digital audio radio receiver with playback capability
DE102008019103A1 (en) 2008-04-16 2009-10-22 Siemens Aktiengesellschaft Method and apparatus for transcoding for encryption-based control of access to a database
CN101742236B (en) * 2009-12-22 2015-06-10 山东泰信电子股份有限公司 Method for preventing and countering smart card from being shared

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133269A (en) * 1992-09-02 1994-05-13 Pioneer Electron Corp Video signal recording and reproducing device
KR100332743B1 (en) * 1994-11-26 2002-04-03 엘지전자주식회사 Device and method for preventing illegal copy or unauthorized watching of digital image
FR2732537B1 (en) * 1995-03-31 1997-06-13 Canal Plus Sa Method and recording facility of digitally encrypted information

Also Published As

Publication number Publication date
TR200000776T2 (en) 2000-07-21
NO324650B1 (en) 2007-11-26
EP0912052A1 (en) 1999-04-28
NO20001529L (en) 2000-05-25
CN1279861A (en) 2001-01-10
AU9092698A (en) 1999-04-12
PL339456A1 (en) 2000-12-18
ID23893A (en) 2000-05-25
HU0004368A2 (en) 2001-03-28
JP2001517901A (en) 2001-10-09
EP1018265A1 (en) 2000-07-12
WO1999016244A1 (en) 1999-04-01
KR20010030707A (en) 2001-04-16
AT284596T (en) 2004-12-15
HRP20000146A2 (en) 2000-08-31
BR9812519A (en) 2000-07-25
NO20001529D0 (en) 2000-03-23
NZ503813A (en) 2003-03-28
EP1018265B1 (en) 2004-12-08
BR9812519B1 (en) 2012-12-25
IL135225D0 (en) 2001-05-20
DE69828071D1 (en) 2005-01-13
DE69828071T2 (en) 2005-11-24
CA2304142A1 (en) 1999-04-01
KR100565469B1 (en) 2006-03-30
AU749106B2 (en) 2002-06-20
ZA9808703B (en) 1999-04-01

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