IL137335A - Method and device for key generation - Google Patents

Method and device for key generation

Info

Publication number
IL137335A
IL137335A IL13733599A IL13733599A IL137335A IL 137335 A IL137335 A IL 137335A IL 13733599 A IL13733599 A IL 13733599A IL 13733599 A IL13733599 A IL 13733599A IL 137335 A IL137335 A IL 137335A
Authority
IL
Israel
Prior art keywords
key
information carrier
information
identifier
bit
Prior art date
Application number
IL13733599A
Other languages
English (en)
Hebrew (he)
Other versions
IL137335A0 (en
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of IL137335A0 publication Critical patent/IL137335A0/xx
Publication of IL137335A publication Critical patent/IL137335A/en

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
    • 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
    • G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • 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
    • 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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Lock And Its Accessories (AREA)
IL13733599A 1998-11-19 1999-11-09 Method and device for key generation IL137335A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98203890 1998-11-19
PCT/EP1999/008631 WO2000030100A2 (en) 1998-11-19 1999-11-09 Method of and device for generating a key

Publications (2)

Publication Number Publication Date
IL137335A0 IL137335A0 (en) 2001-07-24
IL137335A true IL137335A (en) 2004-03-28

Family

ID=8234351

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13733599A IL137335A (en) 1998-11-19 1999-11-09 Method and device for key generation

Country Status (11)

Country Link
US (1) US6457127B1 (zh)
EP (1) EP1050046A2 (zh)
JP (1) JP2003524922A (zh)
KR (1) KR20010034229A (zh)
CN (1) CN1153208C (zh)
AU (1) AU3148400A (zh)
IL (1) IL137335A (zh)
TR (1) TR200002086T1 (zh)
TW (1) TW430783B (zh)
WO (1) WO2000030100A2 (zh)
ZA (1) ZA200003612B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020141583A1 (en) * 2001-01-29 2002-10-03 Eastman Kodak Company Copy protection using a preformed ID and a unique ID on a programmable CD-ROM
EP1441342A4 (en) * 2001-10-31 2009-09-09 Sony Corp RECORDING MEDIUM, RECORDING METHOD AND DEVICE FOR A RECORDING MEDIUM AND PLAYBACK METHOD AND DEVICE FOR A RECORDING MEDIUM
WO2003079166A1 (en) * 2002-03-18 2003-09-25 Koninklijke Philips Electronics N.V. Method and system for controlling access to content
JP3813549B2 (ja) * 2002-06-28 2006-08-23 株式会社東芝 復元方法及び復元システム
US7596704B2 (en) * 2003-10-10 2009-09-29 Jing-Jang Hwang Partition and recovery of a verifiable digital secret
JP2008009631A (ja) * 2006-06-28 2008-01-17 Hitachi Ltd 記憶装置及び記憶方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412718A (en) 1993-09-13 1995-05-02 Institute Of Systems Science Method for utilizing medium nonuniformities to minimize unauthorized duplication of digital information
US6516064B1 (en) 1995-07-25 2003-02-04 Sony Corporation Signal recording apparatus, signal record medium and signal reproducing apparatus

Also Published As

Publication number Publication date
EP1050046A2 (en) 2000-11-08
US6457127B1 (en) 2002-09-24
TW430783B (en) 2001-04-21
WO2000030100A3 (en) 2000-08-17
KR20010034229A (ko) 2001-04-25
TR200002086T1 (tr) 2002-12-23
CN1296619A (zh) 2001-05-23
CN1153208C (zh) 2004-06-09
IL137335A0 (en) 2001-07-24
JP2003524922A (ja) 2003-08-19
AU3148400A (en) 2000-06-05
ZA200003612B (en) 2001-10-18
WO2000030100A2 (en) 2000-05-25

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