DK0954774T3 - Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektor - Google Patents
Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektorInfo
- Publication number
- DK0954774T3 DK0954774T3 DK98904074T DK98904074T DK0954774T3 DK 0954774 T3 DK0954774 T3 DK 0954774T3 DK 98904074 T DK98904074 T DK 98904074T DK 98904074 T DK98904074 T DK 98904074T DK 0954774 T3 DK0954774 T3 DK 0954774T3
- Authority
- DK
- Denmark
- Prior art keywords
- data
- dvd
- disc
- rom drive
- dvd rom
- Prior art date
Links
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- G11B20/00557—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 further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
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)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97101125A EP0855638A1 (en) | 1997-01-24 | 1997-01-24 | Method and apparatus for encrypting and for decrypting data arranged in a data sector |
| PCT/EP1998/000203 WO1998033105A1 (en) | 1997-01-24 | 1998-01-15 | Method and apparatus for encrypting and for decrypting data arranged in a data sector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0954774T3 true DK0954774T3 (da) | 2002-10-14 |
Family
ID=8226404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK98904074T DK0954774T3 (da) | 1997-01-24 | 1998-01-15 | Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6912661B1 (da) |
| EP (2) | EP0855638A1 (da) |
| AT (1) | ATE219583T1 (da) |
| AU (1) | AU6209998A (da) |
| DE (1) | DE69806124T2 (da) |
| DK (1) | DK0954774T3 (da) |
| WO (1) | WO1998033105A1 (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7724919B2 (en) | 1994-10-21 | 2010-05-25 | Digimarc Corporation | Methods and systems for steganographic processing |
| US7237123B2 (en) | 2000-09-22 | 2007-06-26 | Ecd Systems, Inc. | Systems and methods for preventing unauthorized use of digital content |
| EP1352307A2 (en) * | 2000-09-22 | 2003-10-15 | EDC Systems, Inc. | Systems and methods for preventing unauthorized use of digital content |
| US7089425B2 (en) * | 2003-03-18 | 2006-08-08 | Ci4 Technologies, Inc. | Remote access authorization of local content |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581774A (ja) * | 1991-09-20 | 1993-04-02 | Olympus Optical Co Ltd | 情報記録再生装置 |
| DE69427685T2 (de) * | 1993-09-29 | 2002-04-25 | Sony Corp | Verfahren und vorrichtung zur datenwiedergabe |
| CN1126079C (zh) * | 1994-11-17 | 2003-10-29 | 松下电器产业株式会社 | 光盘标记形成设备及方法、再现设备、光盘及其制造方法 |
| US5675645A (en) * | 1995-04-18 | 1997-10-07 | Ricoh Company, Ltd. | Method and apparatus for securing executable programs against copying |
-
1997
- 1997-01-24 EP EP97101125A patent/EP0855638A1/en not_active Withdrawn
-
1998
- 1998-01-15 WO PCT/EP1998/000203 patent/WO1998033105A1/en active IP Right Grant
- 1998-01-15 DE DE69806124T patent/DE69806124T2/de not_active Expired - Lifetime
- 1998-01-15 AT AT98904074T patent/ATE219583T1/de active
- 1998-01-15 US US09/355,219 patent/US6912661B1/en not_active Expired - Lifetime
- 1998-01-15 AU AU62099/98A patent/AU6209998A/en not_active Abandoned
- 1998-01-15 DK DK98904074T patent/DK0954774T3/da active
- 1998-01-15 EP EP98904074A patent/EP0954774B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU6209998A (en) | 1998-08-18 |
| EP0954774B1 (en) | 2002-06-19 |
| DE69806124T2 (de) | 2003-02-13 |
| EP0954774A1 (en) | 1999-11-10 |
| EP0855638A1 (en) | 1998-07-29 |
| ATE219583T1 (de) | 2002-07-15 |
| US6912661B1 (en) | 2005-06-28 |
| WO1998033105A1 (en) | 1998-07-30 |
| DE69806124D1 (de) | 2002-07-25 |
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