CN1149780C - 保密部件的解扰器件及带有这种器件的保密部件 - Google Patents

保密部件的解扰器件及带有这种器件的保密部件 Download PDF

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Publication number
CN1149780C
CN1149780C CNB981069703A CN98106970A CN1149780C CN 1149780 C CN1149780 C CN 1149780C CN B981069703 A CNB981069703 A CN B981069703A CN 98106970 A CN98106970 A CN 98106970A CN 1149780 C CN1149780 C CN 1149780C
Authority
CN
China
Prior art keywords
descrambling
clock signal
frequency
data
combination
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
CNB981069703A
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English (en)
Chinese (zh)
Other versions
CN1198062A (zh
Inventor
�ſˡ���³����
雅克·普鲁涅尔
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 Consumer Electronics 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 Consumer Electronics SA filed Critical Thomson Consumer Electronics SA
Publication of CN1198062A publication Critical patent/CN1198062A/zh
Application granted granted Critical
Publication of CN1149780C publication Critical patent/CN1149780C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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)
CNB981069703A 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 Expired - Fee Related CN1149780C (zh)

Applications Claiming Priority (2)

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
FR9701306 1997-02-05

Publications (2)

Publication Number Publication Date
CN1198062A CN1198062A (zh) 1998-11-04
CN1149780C true CN1149780C (zh) 2004-05-12

Family

ID=9503359

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB981069703A Expired - Fee Related 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

Country Status (5)

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

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
FR2759175B1 (fr) 1999-02-26
EP0858185A1 (en) 1998-08-12
FR2759175A1 (fr) 1998-08-07
US6408077B1 (en) 2002-06-18
CN1198062A (zh) 1998-11-04
JPH10262042A (ja) 1998-09-29

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PB01 Publication
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SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040512