DE69720421T2 - Verwürfelung digitaler datenträger bei übertragung und speicherung - Google Patents

Verwürfelung digitaler datenträger bei übertragung und speicherung Download PDF

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Publication number
DE69720421T2
DE69720421T2 DE69720421T DE69720421T DE69720421T2 DE 69720421 T2 DE69720421 T2 DE 69720421T2 DE 69720421 T DE69720421 T DE 69720421T DE 69720421 T DE69720421 T DE 69720421T DE 69720421 T2 DE69720421 T2 DE 69720421T2
Authority
DE
Germany
Prior art keywords
scrambling
storage
digital data
during transmission
data media
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
DE69720421T
Other languages
English (en)
Other versions
DE69720421D1 (de
Inventor
Ari Salomaeki
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.)
Callahan Cellular LLC
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE69720421D1 publication Critical patent/DE69720421D1/de
Application granted granted Critical
Publication of DE69720421T2 publication Critical patent/DE69720421T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
DE69720421T 1996-01-30 1997-01-29 Verwürfelung digitaler datenträger bei übertragung und speicherung Expired - Lifetime DE69720421T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI960418A FI100563B (fi) 1996-01-30 1996-01-30 Digitaalisten esitysobjektien salaus lähetyksessä ja tallennuksessa
PCT/FI1997/000045 WO1997028649A1 (en) 1996-01-30 1997-01-29 Scrambling of digital media objects in connection with transmission and storage

Publications (2)

Publication Number Publication Date
DE69720421D1 DE69720421D1 (de) 2003-05-08
DE69720421T2 true DE69720421T2 (de) 2004-01-15

Family

ID=8545153

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720421T Expired - Lifetime DE69720421T2 (de) 1996-01-30 1997-01-29 Verwürfelung digitaler datenträger bei übertragung und speicherung

Country Status (7)

Country Link
US (1) US6222924B1 (de)
EP (1) EP0878096B1 (de)
JP (1) JP2000504169A (de)
AU (1) AU1548297A (de)
DE (1) DE69720421T2 (de)
FI (1) FI100563B (de)
WO (1) WO1997028649A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007039226A1 (de) * 2007-08-20 2009-02-26 Giesecke & Devrient Gmbh Echtzeitmessung auf einem portablen Datenträger

Also Published As

Publication number Publication date
AU1548297A (en) 1997-08-22
WO1997028649A1 (en) 1997-08-07
EP0878096A1 (de) 1998-11-18
DE69720421D1 (de) 2003-05-08
FI960418A0 (fi) 1996-01-30
EP0878096B1 (de) 2003-04-02
FI960418A (fi) 1997-07-31
FI100563B (fi) 1997-12-31
JP2000504169A (ja) 2000-04-04
US6222924B1 (en) 2001-04-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: NOKIA CORP., HELSINKI, FI

8327 Change in the person/name/address of the patent owner

Owner name: AMOSMET INVESTMENTS LLC, DOVER, DEL., US