FR2834177B1 - DEVICE FOR DECODING INTERFERED DIGITAL DATA AND METHOD FOR LOCKING THE DESGROWING - Google Patents

DEVICE FOR DECODING INTERFERED DIGITAL DATA AND METHOD FOR LOCKING THE DESGROWING

Info

Publication number
FR2834177B1
FR2834177B1 FR0116558A FR0116558A FR2834177B1 FR 2834177 B1 FR2834177 B1 FR 2834177B1 FR 0116558 A FR0116558 A FR 0116558A FR 0116558 A FR0116558 A FR 0116558A FR 2834177 B1 FR2834177 B1 FR 2834177B1
Authority
FR
France
Prior art keywords
desgrowing
decoding
locking
digital data
interfered digital
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 - Fee Related
Application number
FR0116558A
Other languages
French (fr)
Other versions
FR2834177A1 (en
Inventor
Olivier Segbo
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.)
TELEVISION PAR SATELLITE TPS
Original Assignee
TELEVISION PAR SATELLITE TPS
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 TELEVISION PAR SATELLITE TPS filed Critical TELEVISION PAR SATELLITE TPS
Priority to FR0116558A priority Critical patent/FR2834177B1/en
Priority to PCT/FR2002/004423 priority patent/WO2003055214A1/en
Priority to AU2002364851A priority patent/AU2002364851A1/en
Priority to EP02801148A priority patent/EP1468560A1/en
Publication of FR2834177A1 publication Critical patent/FR2834177A1/en
Application granted granted Critical
Publication of FR2834177B1 publication Critical patent/FR2834177B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR0116558A 2001-12-20 2001-12-20 DEVICE FOR DECODING INTERFERED DIGITAL DATA AND METHOD FOR LOCKING THE DESGROWING Expired - Fee Related FR2834177B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0116558A FR2834177B1 (en) 2001-12-20 2001-12-20 DEVICE FOR DECODING INTERFERED DIGITAL DATA AND METHOD FOR LOCKING THE DESGROWING
PCT/FR2002/004423 WO2003055214A1 (en) 2001-12-20 2002-12-18 Device for decoding scrambled digital data and method for locking descrambling
AU2002364851A AU2002364851A1 (en) 2001-12-20 2002-12-18 Device for decoding scrambled digital data and method for locking descrambling
EP02801148A EP1468560A1 (en) 2001-12-20 2002-12-18 Device for decoding scrambled digital data and method for locking descrambling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0116558A FR2834177B1 (en) 2001-12-20 2001-12-20 DEVICE FOR DECODING INTERFERED DIGITAL DATA AND METHOD FOR LOCKING THE DESGROWING

Publications (2)

Publication Number Publication Date
FR2834177A1 FR2834177A1 (en) 2003-06-27
FR2834177B1 true FR2834177B1 (en) 2004-07-09

Family

ID=8870755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0116558A Expired - Fee Related FR2834177B1 (en) 2001-12-20 2001-12-20 DEVICE FOR DECODING INTERFERED DIGITAL DATA AND METHOD FOR LOCKING THE DESGROWING

Country Status (4)

Country Link
EP (1) EP1468560A1 (en)
AU (1) AU2002364851A1 (en)
FR (1) FR2834177B1 (en)
WO (1) WO2003055214A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2891104A1 (en) * 2005-09-22 2007-03-23 Viaccess Sa Scrambled digital data e.g. audiovisual program, reception terminal`s fraudulent use controlling method for conditional access system, involves successively executing negative action and positive action that is needed for descrambling data

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4219739A1 (en) * 1992-06-17 1993-12-23 Philips Patentverwaltung Method and circuit arrangement for checking a prepaid card
GB9307252D0 (en) * 1993-04-07 1993-06-02 Plessey Telecomm Method and apparatus for verifying the integrity of a smart card
US6044464A (en) * 1998-05-08 2000-03-28 Yeda Research And Development Co. Ltd. At The Weizmann Institute Of Science Method of protecting broadcast data by fingerprinting a common decryption function
DE19843424A1 (en) * 1998-09-22 2000-03-23 Fraunhofer Ges Forschung Smart card device for delivering output data in response to input data and providing proof of authenticity uses operating data to influence algorithm used to generate output data

Also Published As

Publication number Publication date
AU2002364851A1 (en) 2003-07-09
FR2834177A1 (en) 2003-06-27
WO2003055214A1 (en) 2003-07-03
EP1468560A1 (en) 2004-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130830