GR1000407B - Συστημα τηλεορασεως επι πληρωμη που χρησιμοποιει ενα αποκωδικοποιητη με καρτελλα μνημης. - Google Patents
Συστημα τηλεορασεως επι πληρωμη που χρησιμοποιει ενα αποκωδικοποιητη με καρτελλα μνημης.Info
- Publication number
- GR1000407B GR1000407B GR900100124A GR900100124A GR1000407B GR 1000407 B GR1000407 B GR 1000407B GR 900100124 A GR900100124 A GR 900100124A GR 900100124 A GR900100124 A GR 900100124A GR 1000407 B GR1000407 B GR 1000407B
- Authority
- GR
- Greece
- Prior art keywords
- code
- encrypted
- combination
- hand
- receives
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
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
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Abstract
Στην εφεύρεση αυτήν, επί της πλευράς εκπομπής μια ψηφιακή γεννήτρια παρέχει ένα τυχαίο κώδικα ΧΑ που αποστέλλεται προς την είσοδο μιας κύριας καρτέλλας 11, η οποία κρυπτογραφεί τον κώδικα αυτόν με την χρησιμοποίηση μιας προκαθορισμένης κλείδας 100. Ο κώδικας που έχει κρυπτογραφηθεί τοιουτοτρόπως εκπέμπεται με το οπτικό σήμα. Μια πρώτη συσκευή 17 δέχεται στις εισόδους της αφ' ενός τον τυχαίο κώδικα και αφ' ετέρου τον κώδικα που έχει κρυπτογραφηθεί από την κυρία καρτέλλα και πραγματοποιεί ένα καθορισμένο ψηφιακό συνδυασμό των δυο τούτων κωδίκων, όπου ο συνδυασμός αυτός σχηματίζει την λέξη ενάρξεως λειτουργίας ΧΙΝΙ μιας γεννήτριας ψευδοτυχαίου τύπου που προορίζεται για την παροχή ενός πίνακα κώδικος σχεδιασμένου έτσι ώστε να θέτει το οπτικό σήμα σε κατάσταση κρυπτομιλίας ("ανακατώματος" ). Στην πλευρά λήψεως, ο αποκωδικοποιητής λαμβάνει τον κρυπτογραφημένο κώδικα ΧΒ ο οποίος αποκρυπτογραφείται από μια καρτέλλα συνδρομητή 13. Μια δεύτερη συσκευή 18 δέχεται στις εισόδους της αφ' ενός τον κρυπτογραφημένο κώδικα και αφ' ετέρου τον κώδικα που έχει αποκρυπτογραφηθεί από την καρτέλλα του συνδρομητή και πραγματοποιεί ένα ψηφιακό συνδυασμό των δυο τούτων κωδίκων, όπου ο εν λόγω συνδυασμός είναι όμοιος με εκείνον της πρώτης συσκευής. Το αποτέλεσμα του συνδυασμού τούτου σχηματίζει την λέξη ενάρξεως λειτουργίας μιας άλλης ψευδοτυχαίας γεννήτριας, η οποία παρέχει ένα πίνακα κώδικος όμοιο προς εκείνον της εκπομπής. ω
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8902472A FR2643529B1 (fr) | 1989-02-22 | 1989-02-22 | Systeme de television a peage utilisant une carte a memoire associee a un decodeur |
Publications (2)
Publication Number | Publication Date |
---|---|
GR900100124A GR900100124A (en) | 1991-06-28 |
GR1000407B true GR1000407B (el) | 1992-06-30 |
Family
ID=9379123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR900100124A GR1000407B (el) | 1989-02-22 | 1990-02-19 | Συστημα τηλεορασεως επι πληρωμη που χρησιμοποιει ενα αποκωδικοποιητη με καρτελλα μνημης. |
Country Status (18)
Country | Link |
---|---|
US (1) | US5134656A (el) |
EP (1) | EP0414846B1 (el) |
JP (1) | JP3020603B2 (el) |
AT (1) | ATE105661T1 (el) |
AU (1) | AU638230B2 (el) |
BR (1) | BR9005413A (el) |
CA (1) | CA2028248C (el) |
DD (1) | DD294151A5 (el) |
DE (1) | DE69008794T2 (el) |
DK (1) | DK0414846T3 (el) |
ES (1) | ES2052247T3 (el) |
FR (1) | FR2643529B1 (el) |
GR (1) | GR1000407B (el) |
IL (1) | IL93468A0 (el) |
LU (1) | LU87472A1 (el) |
PT (1) | PT93196B (el) |
TR (1) | TR24440A (el) |
WO (1) | WO1990010354A1 (el) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2717028B1 (fr) * | 1994-03-02 | 1996-04-12 | Teleciel | Installation de cryptage et de décryptage d'informations télévisées. |
MY108367A (en) * | 1991-09-30 | 1996-09-30 | Thomson Consumer Electronics S A | Method and apparatus for secure transmisson of video signals. |
JPH06266670A (ja) * | 1993-03-11 | 1994-09-22 | Fujitsu Ltd | 暗号化仮想端末初期化装置 |
FR2703552A1 (fr) * | 1993-03-31 | 1994-10-07 | Philips Electronics Nv | Procédé et dispositif pour l'embrouillage et le désembrouillage d'une émission déterminée de télévision. |
ES2100789B1 (es) * | 1993-08-25 | 1998-02-16 | Molinero Garcia Francisco J | Transmision de datos de correccion gps mediante rds en la red comercial de fm. |
JP3029381B2 (ja) * | 1994-01-10 | 2000-04-04 | 富士通株式会社 | データ変換装置 |
GB9407038D0 (en) * | 1994-04-08 | 1994-06-01 | Amstrad Plc | Method and apparatus for transmitting and receiving encrypted signals |
KR0152788B1 (ko) | 1994-11-26 | 1998-10-15 | 이헌조 | 디지탈 영상 시스템의 복사 방지 방법 및 장치 |
KR0136458B1 (ko) | 1994-12-08 | 1998-05-15 | 구자홍 | 디지탈 자기 기록재생 시스템의 복사 방지장치 |
US5742680A (en) * | 1995-11-13 | 1998-04-21 | E Star, Inc. | Set top box for receiving and decryption and descrambling a plurality of satellite television signals |
SE521773C2 (sv) | 1998-11-20 | 2003-12-02 | Ericsson Telefon Ab L M | System och förfarande för att tillhandahålla distribuerad cashning av svarsobjekt inom ett paketdatanät. |
US8055894B2 (en) | 1999-11-09 | 2011-11-08 | Google Inc. | Process and streaming server for encrypting a data stream with bandwidth based variation |
US6449719B1 (en) * | 1999-11-09 | 2002-09-10 | Widevine Technologies, Inc. | Process and streaming server for encrypting a data stream |
ATE533292T1 (de) * | 2000-02-09 | 2011-11-15 | Swisscom Ag | Decodiergerät, decodierverfahren und chipkarte |
US7165175B1 (en) | 2000-09-06 | 2007-01-16 | Widevine Technologies, Inc. | Apparatus, system and method for selectively encrypting different portions of data sent over a network |
US7043473B1 (en) | 2000-11-22 | 2006-05-09 | Widevine Technologies, Inc. | Media tracking system and method |
US7150045B2 (en) * | 2000-12-14 | 2006-12-12 | Widevine Technologies, Inc. | Method and apparatus for protection of electronic media |
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 |
US8098820B2 (en) * | 2001-03-14 | 2012-01-17 | Thomson Licensing | Conditional access system for broadcast digital television |
US7822679B1 (en) | 2001-10-29 | 2010-10-26 | Visa U.S.A. Inc. | Method and system for conducting a commercial transaction between a buyer and a seller |
US7328345B2 (en) * | 2002-01-29 | 2008-02-05 | Widevine Technologies, Inc. | Method and system for end to end securing of content for video on demand |
US7299292B2 (en) * | 2002-03-29 | 2007-11-20 | Widevine Technologies, Inc. | Process and streaming server for encrypting a data stream to a virtual smart card client system |
US6798353B2 (en) * | 2002-04-24 | 2004-09-28 | Itron Electricity Metering, Inc. | Method of using flash memory for storing metering data |
US7594271B2 (en) * | 2002-09-20 | 2009-09-22 | Widevine Technologies, Inc. | Method and system for real-time tamper evidence gathering for software |
US7356143B2 (en) * | 2003-03-18 | 2008-04-08 | Widevine Technologies, Inc | System, method, and apparatus for securely providing content viewable on a secure device |
US7007170B2 (en) * | 2003-03-18 | 2006-02-28 | Widevine Technologies, Inc. | System, method, and apparatus for securely providing content viewable on a secure device |
US20040199771A1 (en) * | 2003-04-04 | 2004-10-07 | Widevine Technologies, Inc. | Method for tracing a security breach in highly distributed content |
US7406174B2 (en) * | 2003-10-21 | 2008-07-29 | Widevine Technologies, Inc. | System and method for n-dimensional encryption |
US8571978B2 (en) | 2004-06-17 | 2013-10-29 | Visa International Service Association | Method and system for providing assurance and financing services |
US9609279B2 (en) * | 2004-09-24 | 2017-03-28 | Google Inc. | Method and system for providing secure CODECS |
US7711639B2 (en) | 2005-01-12 | 2010-05-04 | Visa International | Pre-funding system and method |
US20080015999A1 (en) * | 2005-02-04 | 2008-01-17 | Widevine Technologies, Inc. | Securely ingesting encrypted content into content servers |
US20070067643A1 (en) * | 2005-09-21 | 2007-03-22 | Widevine Technologies, Inc. | System and method for software tamper detection |
US8065733B2 (en) * | 2005-09-23 | 2011-11-22 | Google, Inc. | Method for evolving detectors to detect malign behavior in an artificial immune system |
US7817608B2 (en) * | 2005-09-23 | 2010-10-19 | Widevine Technologies, Inc. | Transitioning to secure IP communications for encoding, encapsulating, and encrypting data |
WO2007038245A2 (en) | 2005-09-23 | 2007-04-05 | Widevine Technologies, Inc. | Method for evolving detectors to detect malign behavior in an artificial immune system |
US8689016B2 (en) | 2005-12-02 | 2014-04-01 | Google Inc. | Tamper prevention and detection for video provided over a network to a client |
US8526612B2 (en) * | 2006-01-06 | 2013-09-03 | Google Inc. | Selective and persistent application level encryption for video provided to a client |
US20070180231A1 (en) * | 2006-01-31 | 2007-08-02 | Widevine Technologies, Inc. | Preventing entitlement management message (EMM) filter attacks |
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 |
US8243924B2 (en) * | 2007-06-29 | 2012-08-14 | Google Inc. | Progressive download or streaming of digital media securely through a localized container and communication protocol proxy |
US8868464B2 (en) | 2008-02-07 | 2014-10-21 | Google Inc. | Preventing unauthorized modification or skipping of viewing of advertisements within content |
US8751800B1 (en) | 2011-12-12 | 2014-06-10 | Google Inc. | DRM provider interoperability |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2459595A1 (fr) * | 1979-06-15 | 1981-01-09 | Telediffusion Fse | Systeme de television a controle d'acces utilisant une cle electronique variable |
US4369434A (en) * | 1979-12-20 | 1983-01-18 | Gretag Aktiengesellschaft | Enciphering/deciphering system |
US4484027A (en) * | 1981-11-19 | 1984-11-20 | Communications Satellite Corporation | Security system for SSTV encryption |
CA1253616A (en) * | 1982-07-29 | 1989-05-02 | Robert W. Field | Secure coding and decoding system and method for television program signals |
US4748576A (en) * | 1984-02-06 | 1988-05-31 | U.S. Philips Corporation | Pseudo-random binary sequence generators |
JPS6120442A (ja) * | 1984-07-09 | 1986-01-29 | Toshiba Corp | 有料放送方式 |
US4736419A (en) * | 1984-12-24 | 1988-04-05 | American Telephone And Telegraph Company, At&T Bell Laboratories | Electronic lock system |
NL8602847A (nl) * | 1986-11-11 | 1988-06-01 | Philips Nv | Werkwijze voor het vercijferen/ontcijferen en inrichting voor het uitvoeren van de werkwijze. |
US4771458A (en) * | 1987-03-12 | 1988-09-13 | Zenith Electronics Corporation | Secure data packet transmission system and method |
US5016275A (en) * | 1988-10-28 | 1991-05-14 | International Business Machines Corporation | Buffered encryption/decryption |
-
1989
- 1989-02-22 FR FR8902472A patent/FR2643529B1/fr not_active Expired - Fee Related
- 1989-03-10 LU LU87472A patent/LU87472A1/fr unknown
-
1990
- 1990-02-19 GR GR900100124A patent/GR1000407B/el not_active IP Right Cessation
- 1990-02-19 PT PT93196A patent/PT93196B/pt active IP Right Grant
- 1990-02-20 IL IL93468A patent/IL93468A0/xx not_active IP Right Cessation
- 1990-02-21 BR BR909005413A patent/BR9005413A/pt not_active IP Right Cessation
- 1990-02-21 WO PCT/CH1990/000040 patent/WO1990010354A1/fr active IP Right Grant
- 1990-02-21 AU AU50420/90A patent/AU638230B2/en not_active Expired
- 1990-02-21 DE DE69008794T patent/DE69008794T2/de not_active Expired - Lifetime
- 1990-02-21 TR TR90/0181A patent/TR24440A/xx unknown
- 1990-02-21 AT AT9090902755T patent/ATE105661T1/de not_active IP Right Cessation
- 1990-02-21 EP EP90902755A patent/EP0414846B1/fr not_active Expired - Lifetime
- 1990-02-21 DK DK90902755.9T patent/DK0414846T3/da active
- 1990-02-21 JP JP2502927A patent/JP3020603B2/ja not_active Expired - Fee Related
- 1990-02-21 US US07/598,689 patent/US5134656A/en not_active Expired - Lifetime
- 1990-02-21 ES ES90902755T patent/ES2052247T3/es not_active Expired - Lifetime
- 1990-02-21 CA CA002028248A patent/CA2028248C/fr not_active Expired - Lifetime
- 1990-02-22 DD DD90338062A patent/DD294151A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2643529A1 (fr) | 1990-08-24 |
FR2643529B1 (fr) | 1991-06-07 |
JP3020603B2 (ja) | 2000-03-15 |
DE69008794T2 (de) | 1994-11-24 |
CA2028248A1 (fr) | 1991-08-22 |
CA2028248C (fr) | 2001-02-13 |
EP0414846B1 (fr) | 1994-05-11 |
BR9005413A (pt) | 1991-08-06 |
GR900100124A (en) | 1991-06-28 |
US5134656A (en) | 1992-07-28 |
LU87472A1 (fr) | 1989-08-30 |
ATE105661T1 (de) | 1994-05-15 |
JPH03504188A (ja) | 1991-09-12 |
PT93196A (pt) | 1991-10-15 |
AU5042090A (en) | 1990-09-26 |
EP0414846A1 (fr) | 1991-03-06 |
PT93196B (pt) | 1996-01-31 |
AU638230B2 (en) | 1993-06-24 |
DE69008794D1 (de) | 1994-06-16 |
IL93468A0 (en) | 1990-11-29 |
TR24440A (tr) | 1991-11-01 |
DK0414846T3 (da) | 1995-03-27 |
DD294151A5 (de) | 1991-09-19 |
ES2052247T3 (es) | 1994-07-01 |
WO1990010354A1 (fr) | 1990-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Right expired |