BR9813407A - Método para a proteção de dados audiovisuais pela interface nrss - Google Patents

Método para a proteção de dados audiovisuais pela interface nrss

Info

Publication number
BR9813407A
BR9813407A BR9813407-8A BR9813407A BR9813407A BR 9813407 A BR9813407 A BR 9813407A BR 9813407 A BR9813407 A BR 9813407A BR 9813407 A BR9813407 A BR 9813407A
Authority
BR
Brazil
Prior art keywords
protection
audiovisual data
interface
nrss
nrss interface
Prior art date
Application number
BR9813407-8A
Other languages
English (en)
Other versions
BR9813407B1 (pt
Inventor
Ahmet Mursit Eskicioglu
Original Assignee
Thomson Licensing 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
Application filed by Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of BR9813407A publication Critical patent/BR9813407A/pt
Publication of BR9813407B1 publication Critical patent/BR9813407B1/pt

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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

"MéTODO PARA A PROTEçãO DE DADOS AUDIOVISUAIS PELA INTERFACE NRSS" Trata-se de um sistema para melhorar a segurança da interface entre um dispositivo eletrónico de consumidor e um dispositivo de segurança removível por meio da proteção da corrente A/V desembaralhada no dispositivo de segurança removível. A proteção envolve computar de maneira dinâmica uma chave compartilhada seguida pelo re-embaralhamento da corrente A/V.
BRPI9813407-8A 1997-12-10 1998-12-10 método para a proteção de dados audiovisuais pela interface nrss. BR9813407B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US6909097P 1997-12-10 1997-12-10
US60/069.090 1997-12-10
US8656798P 1998-05-21 1998-05-21
US60/086.567 1998-05-21
PCT/US1998/026296 WO1999030499A1 (en) 1997-12-10 1998-12-10 Method for protecting the audio/visual data across the nrss inte rface

Publications (2)

Publication Number Publication Date
BR9813407A true BR9813407A (pt) 2000-10-03
BR9813407B1 BR9813407B1 (pt) 2012-10-30

Family

ID=26749678

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9813407-8A BR9813407B1 (pt) 1997-12-10 1998-12-10 método para a proteção de dados audiovisuais pela interface nrss.

Country Status (13)

Country Link
US (1) US6409089B1 (pt)
EP (1) EP1059001B1 (pt)
JP (2) JP4510281B2 (pt)
KR (1) KR100564832B1 (pt)
CN (1) CN1150760C (pt)
AU (1) AU749748B2 (pt)
BR (1) BR9813407B1 (pt)
CA (1) CA2318936C (pt)
DE (1) DE69806821T2 (pt)
HK (1) HK1034627A1 (pt)
IL (1) IL136674A0 (pt)
NZ (1) NZ504971A (pt)
WO (1) WO1999030499A1 (pt)

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US8074287B2 (en) * 2004-04-30 2011-12-06 Microsoft Corporation Renewable and individualizable elements of a protected environment
US7461259B2 (en) * 2004-06-30 2008-12-02 Nokia Corporation Method and apparatus to provide secure mobile file system
US9609279B2 (en) 2004-09-24 2017-03-28 Google Inc. Method and system for providing secure CODECS
US8347078B2 (en) 2004-10-18 2013-01-01 Microsoft Corporation Device certificate individualization
EP1662788A1 (fr) * 2004-11-24 2006-05-31 Nagravision SA Unité de traitement de données audio/vidéo numériques et méthode de contrôle d'accès audites données
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US8438645B2 (en) 2005-04-27 2013-05-07 Microsoft Corporation Secure clock with grace periods
US8725646B2 (en) 2005-04-15 2014-05-13 Microsoft Corporation Output protection levels
US9436804B2 (en) 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
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US8621093B2 (en) * 2007-05-21 2013-12-31 Google Inc. Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network
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Also Published As

Publication number Publication date
BR9813407B1 (pt) 2012-10-30
EP1059001B1 (en) 2002-07-24
HK1034627A1 (en) 2001-10-26
IL136674A0 (en) 2001-06-14
CN1150760C (zh) 2004-05-19
NZ504971A (en) 2002-02-01
KR20010031722A (ko) 2001-04-16
US6409089B1 (en) 2002-06-25
WO1999030499A1 (en) 1999-06-17
KR100564832B1 (ko) 2006-03-30
DE69806821T2 (de) 2003-01-16
CA2318936A1 (en) 1999-06-17
JP2003517218A (ja) 2003-05-20
AU2199299A (en) 1999-06-28
CA2318936C (en) 2004-04-06
EP1059001A1 (en) 2000-12-13
CN1282489A (zh) 2001-01-31
JP2009153181A (ja) 2009-07-09
DE69806821D1 (de) 2002-08-29
AU749748B2 (en) 2002-07-04
JP4510281B2 (ja) 2010-07-21

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/10/2012, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)