DE69131680T2 - Informationsverarbeitungsgerät mit auswechselbarem Sicherheitselement - Google Patents

Informationsverarbeitungsgerät mit auswechselbarem Sicherheitselement

Info

Publication number
DE69131680T2
DE69131680T2 DE69131680T DE69131680T DE69131680T2 DE 69131680 T2 DE69131680 T2 DE 69131680T2 DE 69131680 T DE69131680 T DE 69131680T DE 69131680 T DE69131680 T DE 69131680T DE 69131680 T2 DE69131680 T2 DE 69131680T2
Authority
DE
Germany
Prior art keywords
information processor
security element
information processing
processing device
working key
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 - Lifetime
Application number
DE69131680T
Other languages
English (en)
Other versions
DE69131680D1 (de
Inventor
James Neil Esserman
Paul Moroney
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.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24273628&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69131680(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arris Technology Inc filed Critical Arris Technology Inc
Application granted granted Critical
Publication of DE69131680D1 publication Critical patent/DE69131680D1/de
Publication of DE69131680T2 publication Critical patent/DE69131680T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04N21/43—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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Computer And Data Communications (AREA)
  • Alarm Systems (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Credit Cards Or The Like (AREA)
  • Facsimile Transmission Control (AREA)
  • Burglar Alarm Systems (AREA)
  • Electrotherapy Devices (AREA)
DE69131680T 1990-08-17 1991-08-16 Informationsverarbeitungsgerät mit auswechselbarem Sicherheitselement Expired - Lifetime DE69131680T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/568,990 US5111504A (en) 1990-08-17 1990-08-17 Information processing apparatus with replaceable security element

Publications (2)

Publication Number Publication Date
DE69131680D1 DE69131680D1 (de) 1999-11-11
DE69131680T2 true DE69131680T2 (de) 2000-05-11

Family

ID=24273628

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131680T Expired - Lifetime DE69131680T2 (de) 1990-08-17 1991-08-16 Informationsverarbeitungsgerät mit auswechselbarem Sicherheitselement

Country Status (11)

Country Link
US (1) US5111504A (de)
EP (1) EP0471373B1 (de)
JP (1) JP2930149B2 (de)
KR (1) KR100188425B1 (de)
AT (1) ATE185461T1 (de)
AU (1) AU632704B2 (de)
CA (1) CA2049083C (de)
DE (1) DE69131680T2 (de)
ES (1) ES2137923T3 (de)
IE (1) IE912876A1 (de)
NO (1) NO179160C (de)

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Also Published As

Publication number Publication date
JP2930149B2 (ja) 1999-08-03
NO179160C (no) 1996-08-14
IE912876A1 (en) 1992-02-26
KR100188425B1 (ko) 1999-06-01
AU632704B2 (en) 1993-01-07
CA2049083C (en) 2000-01-25
JPH04288743A (ja) 1992-10-13
ES2137923T3 (es) 2000-01-01
ATE185461T1 (de) 1999-10-15
DE69131680D1 (de) 1999-11-11
EP0471373B1 (de) 1999-10-06
NO179160B (no) 1996-05-06
NO913191L (no) 1992-02-18
CA2049083A1 (en) 1992-02-18
NO913191D0 (no) 1991-08-15
KR920005645A (ko) 1992-03-28
EP0471373A3 (en) 1992-07-29
AU8241291A (en) 1992-02-20
US5111504A (en) 1992-05-05
EP0471373A2 (de) 1992-02-19

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Legal Events

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8364 No opposition during term of opposition