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FR2759175B1 - Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif - Google Patents

Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif

Info

Publication number
FR2759175B1
FR2759175B1 FR9701306A FR9701306A FR2759175B1 FR 2759175 B1 FR2759175 B1 FR 2759175B1 FR 9701306 A FR9701306 A FR 9701306A FR 9701306 A FR9701306 A FR 9701306A FR 2759175 B1 FR2759175 B1 FR 2759175B1
Authority
FR
France
Prior art keywords
security element
debuilding
security
element debuilding
debuilding device
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
FR9701306A
Other languages
English (en)
Other versions
FR2759175A1 (fr
Inventor
Jacques Prunier
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.)
Vantiva SA
Original Assignee
Thomson Multimedia 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 Multimedia SA filed Critical Thomson Multimedia SA
Priority to FR9701306A priority Critical patent/FR2759175B1/fr
Priority to US09/018,206 priority patent/US6408077B1/en
Priority to JP10023299A priority patent/JPH10262042A/ja
Priority to EP98400234A priority patent/EP0858185A1/fr
Priority to CNB981069703A priority patent/CN1149780C/zh
Publication of FR2759175A1 publication Critical patent/FR2759175A1/fr
Application granted granted Critical
Publication of FR2759175B1 publication Critical patent/FR2759175B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/77—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in smart cards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
    • 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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR9701306A 1997-02-05 1997-02-05 Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif Expired - Fee Related FR2759175B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9701306A FR2759175B1 (fr) 1997-02-05 1997-02-05 Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif
US09/018,206 US6408077B1 (en) 1997-02-05 1998-02-03 Descrambling device of a security element and security element comprising such a device
JP10023299A JPH10262042A (ja) 1997-02-05 1998-02-04 セキュリティエレメントのスクランブル解除装置並びにこのスクランブル解除装置からなるセキュリティエレメント
EP98400234A EP0858185A1 (fr) 1997-02-05 1998-02-04 Dispositif de désembrouillage d'élément de sécurité et élément de sécurité comprenant un tel dispositif
CNB981069703A CN1149780C (zh) 1997-02-05 1998-02-05 保密部件的解扰器件及带有这种器件的保密部件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9701306A FR2759175B1 (fr) 1997-02-05 1997-02-05 Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2759175A1 FR2759175A1 (fr) 1998-08-07
FR2759175B1 true FR2759175B1 (fr) 1999-02-26

Family

ID=9503359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9701306A Expired - Fee Related FR2759175B1 (fr) 1997-02-05 1997-02-05 Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif

Country Status (5)

Country Link
US (1) US6408077B1 (fr)
EP (1) EP0858185A1 (fr)
JP (1) JPH10262042A (fr)
CN (1) CN1149780C (fr)
FR (1) FR2759175B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020146125A1 (en) * 2001-03-14 2002-10-10 Ahmet Eskicioglu CA system for broadcast DTV using multiple keys for different service providers and service areas
KR20030048903A (ko) * 2001-12-13 2003-06-25 엘지전자 주식회사 비동기전송모드 수동광네트워크의 하향 데이터에 대한병렬 분산표본 역혼화 장치
DE10162309A1 (de) * 2001-12-19 2003-07-03 Philips Intellectual Property Verfahren und Anordnung zur Erhöhung der Sicherheit von Schaltkreisen gegen unbefugten Zugriff
US7724907B2 (en) * 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139839A (en) * 1977-03-18 1979-02-13 Nasa Digital data reformatter/deserializer
GB2257557B (en) * 1991-07-08 1994-11-16 Amstrad Plc Video recorder system
MY125706A (en) * 1994-08-19 2006-08-30 Thomson Consumer Electronics High speed signal processing smart card

Also Published As

Publication number Publication date
CN1149780C (zh) 2004-05-12
JPH10262042A (ja) 1998-09-29
US6408077B1 (en) 2002-06-18
FR2759175A1 (fr) 1998-08-07
CN1198062A (zh) 1998-11-04
EP0858185A1 (fr) 1998-08-12

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Legal Events

Date Code Title Description
ST Notification of lapse