IL107967A - Apparatus and method for securing communication systems - Google Patents

Apparatus and method for securing communication systems

Info

Publication number
IL107967A
IL107967A IL10796793A IL10796793A IL107967A IL 107967 A IL107967 A IL 107967A IL 10796793 A IL10796793 A IL 10796793A IL 10796793 A IL10796793 A IL 10796793A IL 107967 A IL107967 A IL 107967A
Authority
IL
Israel
Prior art keywords
key
receivers
multiplicity
function
receiver
Prior art date
Application number
IL10796793A
Other languages
English (en)
Inventor
Jacob B Nachman
Yossef Tsuria
Original Assignee
News Datacom Research Ltd
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 News Datacom Research Ltd filed Critical News Datacom Research Ltd
Priority to IL10796793A priority Critical patent/IL107967A/en
Priority to US08/309,807 priority patent/US5590200A/en
Priority to EP94119403A priority patent/EP0658054B1/en
Priority to AU80342/94A priority patent/AU684112B2/en
Priority to DE69413361T priority patent/DE69413361D1/de
Priority to AT94119403T priority patent/ATE171331T1/de
Priority to CA002137608A priority patent/CA2137608C/en
Priority to JP6306465A priority patent/JPH07288522A/ja
Publication of IL107967A publication Critical patent/IL107967A/en
Priority to HK98113766A priority patent/HK1012811A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • 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
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Communication Control (AREA)
  • Storage Device Security (AREA)
  • Facsimile Transmission Control (AREA)
IL10796793A 1993-12-09 1993-12-09 Apparatus and method for securing communication systems IL107967A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IL10796793A IL107967A (en) 1993-12-09 1993-12-09 Apparatus and method for securing communication systems
US08/309,807 US5590200A (en) 1993-12-09 1994-09-21 Apparatus and method for securing communication systems
EP94119403A EP0658054B1 (en) 1993-12-09 1994-12-08 Apparatus and method for securing communication systems
AU80342/94A AU684112B2 (en) 1993-12-09 1994-12-08 Apparatus and method for securing communication systems
DE69413361T DE69413361D1 (de) 1993-12-09 1994-12-08 Gerät und Verfahren zur Sicherung von Kommunikationssystemen
AT94119403T ATE171331T1 (de) 1993-12-09 1994-12-08 Gerät und verfahren zur sicherung von kommunikationssystemen
CA002137608A CA2137608C (en) 1993-12-09 1994-12-08 Apparatus and method for securing communication systems
JP6306465A JPH07288522A (ja) 1993-12-09 1994-12-09 ハッキング防止システム及び方法
HK98113766A HK1012811A1 (en) 1993-12-09 1998-12-16 Apparatus and method for securing communication systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL10796793A IL107967A (en) 1993-12-09 1993-12-09 Apparatus and method for securing communication systems

Publications (1)

Publication Number Publication Date
IL107967A true IL107967A (en) 1996-12-05

Family

ID=11065572

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10796793A IL107967A (en) 1993-12-09 1993-12-09 Apparatus and method for securing communication systems

Country Status (9)

Country Link
US (1) US5590200A (ja)
EP (1) EP0658054B1 (ja)
JP (1) JPH07288522A (ja)
AT (1) ATE171331T1 (ja)
AU (1) AU684112B2 (ja)
CA (1) CA2137608C (ja)
DE (1) DE69413361D1 (ja)
HK (1) HK1012811A1 (ja)
IL (1) IL107967A (ja)

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Also Published As

Publication number Publication date
AU684112B2 (en) 1997-12-04
HK1012811A1 (en) 1999-08-06
EP0658054A3 (en) 1995-07-26
CA2137608C (en) 2000-02-29
CA2137608A1 (en) 1995-06-10
ATE171331T1 (de) 1998-10-15
EP0658054B1 (en) 1998-09-16
DE69413361D1 (de) 1998-10-22
AU8034294A (en) 1995-06-15
EP0658054A2 (en) 1995-06-14
US5590200A (en) 1996-12-31
JPH07288522A (ja) 1995-10-31

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