KR100584175B1 - 기록매체에의 데이터 기록 및 재생방법 - Google Patents
기록매체에의 데이터 기록 및 재생방법 Download PDFInfo
- Publication number
- KR100584175B1 KR100584175B1 KR1019990045003A KR19990045003A KR100584175B1 KR 100584175 B1 KR100584175 B1 KR 100584175B1 KR 1019990045003 A KR1019990045003 A KR 1019990045003A KR 19990045003 A KR19990045003 A KR 19990045003A KR 100584175 B1 KR100584175 B1 KR 100584175B1
- Authority
- KR
- South Korea
- Prior art keywords
- recording medium
- recording
- password
- data
- user
- Prior art date
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- 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
- G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
- G11B20/00152—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a password
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- 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
- G11B20/00253—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 wherein the key is stored on the record carrier
- G11B20/00297—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 wherein the key is stored on the record carrier the key being stored in a management area, e.g. the video manager [VMG] of a DVD
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (4)
- 삽입된 기록매체의 기록상태를 확인하는 제 1단계;상기 확인결과에 따라, 이용자의 패스워드 입력을 요청하는 제 2단계; 및입력된 패스워드를 상기 기록매체 상의 특정영역에 기록하는 제 3단계를 포함하여 이루어지는 기록매체에의 데이터 기록방법.
- 제 1항에 있어서,외부로 부터 입력되는 데이터를 상기 기록된 패스워드를 이용하여 암호화한 뒤, 상기 기록매체 상에 기록하는 제 4단계를 더 포함하여 이루어지는 것을 특징으로 하는 기록매체에의 데이터 기록방법.
- 제 1항에 있어서,상기 특정영역은, 상기 기록매체 상의 파일시스템 기록영역인 것을 특징으로 하는 기록매체에의 데이터 기록방법.
- 삽입된 기록매체의 재생요청시, 이용자의 패스워드 입력을 요청하는 제 1단계;입력된 패스워드를 상기 기록매체 상에 기록된 패스워드와 비교하는 제 2단계; 및상기 비교결과에 따라, 상기 기록매체 상에 기록된 데이터를 상기 입력된 패스워드를 이용하여 해독하여 재생하는 제 3단계를 포함하여 이루어지는 기록매체 재생방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990045003A KR100584175B1 (ko) | 1999-10-18 | 1999-10-18 | 기록매체에의 데이터 기록 및 재생방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990045003A KR100584175B1 (ko) | 1999-10-18 | 1999-10-18 | 기록매체에의 데이터 기록 및 재생방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010037452A KR20010037452A (ko) | 2001-05-07 |
KR100584175B1 true KR100584175B1 (ko) | 2006-05-26 |
Family
ID=19615682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990045003A KR100584175B1 (ko) | 1999-10-18 | 1999-10-18 | 기록매체에의 데이터 기록 및 재생방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100584175B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7849381B2 (en) | 2004-12-21 | 2010-12-07 | Sandisk Corporation | Method for copying data in reprogrammable non-volatile memory |
US7409473B2 (en) | 2004-12-21 | 2008-08-05 | Sandisk Corporation | Off-chip data relocation |
US7212440B2 (en) | 2004-12-30 | 2007-05-01 | Sandisk Corporation | On-chip data grouping and alignment |
US8752198B2 (en) | 2005-05-26 | 2014-06-10 | Hewlett-Packard Development Company, L.P. | Virtual write protection system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07169187A (ja) * | 1993-12-16 | 1995-07-04 | Sanyo Electric Co Ltd | Cd−rom再生装置 |
JPH07249264A (ja) * | 1994-03-10 | 1995-09-26 | Intec:Kk | Cd−romの記録方式、記録・再生方式及びcd−romディスク |
JPH0869357A (ja) * | 1994-08-26 | 1996-03-12 | Teac Corp | ディスク記録再生装置 |
JPH10283271A (ja) * | 1997-03-31 | 1998-10-23 | Victor Co Of Japan Ltd | 暗号鍵生成方法,光ディスク,情報再生方法及びその装置 |
KR19990072568A (ko) * | 1998-02-13 | 1999-09-27 | 이데이 노부유끼 | 기록장치,기록매체,재생장치,기록방법및재생방법 |
-
1999
- 1999-10-18 KR KR1019990045003A patent/KR100584175B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07169187A (ja) * | 1993-12-16 | 1995-07-04 | Sanyo Electric Co Ltd | Cd−rom再生装置 |
JPH07249264A (ja) * | 1994-03-10 | 1995-09-26 | Intec:Kk | Cd−romの記録方式、記録・再生方式及びcd−romディスク |
JPH0869357A (ja) * | 1994-08-26 | 1996-03-12 | Teac Corp | ディスク記録再生装置 |
JPH10283271A (ja) * | 1997-03-31 | 1998-10-23 | Victor Co Of Japan Ltd | 暗号鍵生成方法,光ディスク,情報再生方法及びその装置 |
KR19990072568A (ko) * | 1998-02-13 | 1999-09-27 | 이데이 노부유끼 | 기록장치,기록매체,재생장치,기록방법및재생방법 |
Also Published As
Publication number | Publication date |
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KR20010037452A (ko) | 2001-05-07 |
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