NO20032785L - Fremgangsmåte for beskyttelse av innhold på medium fra fri distribusjon - Google Patents

Fremgangsmåte for beskyttelse av innhold på medium fra fri distribusjon

Info

Publication number
NO20032785L
NO20032785L NO20032785A NO20032785A NO20032785L NO 20032785 L NO20032785 L NO 20032785L NO 20032785 A NO20032785 A NO 20032785A NO 20032785 A NO20032785 A NO 20032785A NO 20032785 L NO20032785 L NO 20032785L
Authority
NO
Norway
Prior art keywords
procedure
medium
free distribution
protecting content
protecting
Prior art date
Application number
NO20032785A
Other languages
English (en)
Other versions
NO20032785D0 (no
Inventor
Clifford P Strom
Sandeep Sahasrabudhe
M Jay Parks
John Paddleford
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of NO20032785D0 publication Critical patent/NO20032785D0/no
Publication of NO20032785L publication Critical patent/NO20032785L/no

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/0055—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein license data is encrypted
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00847—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction is defined by a licence file

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NO20032785A 2002-06-28 2003-06-18 Fremgangsmåte for beskyttelse av innhold på medium fra fri distribusjon NO20032785L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/186,003 US7281273B2 (en) 2002-06-28 2002-06-28 Protecting content on medium from unfettered distribution

Publications (2)

Publication Number Publication Date
NO20032785D0 NO20032785D0 (no) 2003-06-18
NO20032785L true NO20032785L (no) 2003-12-29

Family

ID=27612991

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20032785A NO20032785L (no) 2002-06-28 2003-06-18 Fremgangsmåte for beskyttelse av innhold på medium fra fri distribusjon

Country Status (4)

Country Link
US (1) US7281273B2 (no)
EP (1) EP1376308B1 (no)
JP (1) JP4567953B2 (no)
NO (1) NO20032785L (no)

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US8161522B1 (en) * 2008-06-09 2012-04-17 Symantec Corporation Method and apparatus for using expiration information to improve confidential data leakage prevention
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Also Published As

Publication number Publication date
EP1376308B1 (en) 2012-09-05
EP1376308A2 (en) 2004-01-02
US20040003274A1 (en) 2004-01-01
JP4567953B2 (ja) 2010-10-27
NO20032785D0 (no) 2003-06-18
US7281273B2 (en) 2007-10-09
JP2004046859A (ja) 2004-02-12
EP1376308A3 (en) 2009-07-01

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FC2A Withdrawal, rejection or dismissal of laid open patent application