KR100933787B1 - 하드디스크 포렌식용 쓰기방지장치 - Google Patents
하드디스크 포렌식용 쓰기방지장치 Download PDFInfo
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- KR100933787B1 KR100933787B1 KR1020090063530A KR20090063530A KR100933787B1 KR 100933787 B1 KR100933787 B1 KR 100933787B1 KR 1020090063530 A KR1020090063530 A KR 1020090063530A KR 20090063530 A KR20090063530 A KR 20090063530A KR 100933787 B1 KR100933787 B1 KR 100933787B1
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- hard disk
- protection device
- interface unit
- host computer
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- 238000000034 method Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 abstract description 10
- 230000003685 thermal hair damage Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 239000000284 extract Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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- 238000013021 overheating Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
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- 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]
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- 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
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
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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
- G11B20/00246—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 obtained from a local device, e.g. device key initially stored by the player or by the recorder
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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
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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
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00818—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 limits the signal quality, e.g. by low-pass filtering of audio signals or by reducing the resolution of video signals
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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
- G11B2220/2508—Magnetic discs
- G11B2220/2516—Hard disks
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- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- General Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Health & Medical Sciences (AREA)
- Technology Law (AREA)
- Debugging And Monitoring (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (6)
- 하드디스크 포렌식 분야에 사용되는 쓰기방지장치에 있어서,호스트 컴퓨터(host computer)와의 통신을 위해 사용되는 ATA 인터페이스부 및 USB 인터페이스부와,검사하고자 하는 하드디스크와의 통신을 위해 사용되는 ATA 인터페이스부와,상기 쓰기방지장치 및 상기 하드디스크의 각종 동작 및 상태를 작업자에게 알리기 위한 디스플레이부와,상기 하드디스크에 전원을 공급하기 위한 파워포트와,작업자의 실수 및 예기치 못한 오류 등으로 인해 상기 파워포트로부터 상기 하드디스크에 과전류가 흐르는 것을 방지하기 위한 전류제한 회로부와,상기 하드디스크를 거치할 수 있는 거치대와,작업시 상기 하드디스크에서 발생되는 열을 낮추기 위한 쿨러 및상기 쓰기방지장치의 각 부분의 전체적인 동작을 제어하고 상기 호스트 컴퓨터로부터 전송되는 각종 제어신호 및 데이터를 처리하기 위한 제어부를 포함하여 구성되며,상기 제어부는,상기 호스트 컴퓨터로부터 입력되는 제어신호와 명령어에 대한 분석 및 처리기능을 가지는 FPGA(Field Programmable Gate Array)로 구성되고,상기 하드디스크가 연결되면 상기 하드디스크에 히든영역이 존재하는지를 검사하여 그 결과를 상기 디스플레이부를 통해 표시하며,상기 호스트 컴퓨터로부터의, 상기 하드디스크의 무결성을 유지할 수 있는 읽기 명령어와 정보 명령어는 직접 신호전달방식으로 상기 하드디스크에 직접 전달하고, 상기 하드디스크의 무결성을 훼손할 수 있는 쓰기 명령어는 자체적으로 에뮬레이팅 처리를 행하는 하이브리드 에뮬레이팅 처리방식을 이용하여 상기 호스트 컴퓨터로부터 입력되는 제어신호와 명령어에 대한 처리를 행하도록 구성된 것을 특징으로 하는 쓰기방지장치.
- 삭제
- 제 1항에 있어서,상기 호스트 컴퓨터와의 통신을 위해 사용되는 ATA 인터페이스부는 P-ATA(IDE) 포트를 포함하여 구성되고, 상기 USB 인터페이스부는 USB 포트를 포함하여 구성되며,상기 하드디스크와의 통신에 사용되는 ATA 인터페이스부는 S-ATA 포트 및 P-ATA(IDE) 포트를 포함하여 구성된 것을 특징으로 하는 쓰기방지장치.
- 제 1항에 있어서,상기 디스플레이부는, 전원공급상태, 동작상태, 히든영역 존재 유무를 각각 나타내는 복수의 LED를 포함하여 구성된 것을 특징으로 하는 쓰기방지장치.
- 제 4항에 있어서,상기 복수의 LED는 각각 다른 색의 LED로 구성된 것을 특징으로 하는 쓰기방지장치.
- 제 4항에 있어서,상기 디스플레이부는, 문자나 그래픽을 표시하는 액정디스플레이로 구성된 것을 특징으로 하는 쓰기방지장치.
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KR1020090063530A KR100933787B1 (ko) | 2009-07-13 | 2009-07-13 | 하드디스크 포렌식용 쓰기방지장치 |
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KR1020090063530A KR100933787B1 (ko) | 2009-07-13 | 2009-07-13 | 하드디스크 포렌식용 쓰기방지장치 |
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KR100933787B1 true KR100933787B1 (ko) | 2009-12-24 |
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KR1020090063530A KR100933787B1 (ko) | 2009-07-13 | 2009-07-13 | 하드디스크 포렌식용 쓰기방지장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114925008A (zh) * | 2022-03-24 | 2022-08-19 | 南宁磁动电子科技有限公司 | 西部数据硬盘电子取证工具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060031681A (ko) * | 2003-07-07 | 2006-04-12 | 크라이프토그라피 리서치, 인코포레이티드 | 해적행위를 제어하고 쌍방향 컨텐츠를 가능하게 하기 위한재프로그램가능한 보안 |
KR20090054067A (ko) * | 2007-11-26 | 2009-05-29 | 한국전자통신연구원 | 이미지 필터를 이용한 포렌식 증거 분석 시스템 및 방법 |
KR20090064699A (ko) * | 2007-12-17 | 2009-06-22 | 한국전자통신연구원 | 증거 수사를 위한 디지털 포렌식 서버 및 그 방법 |
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- 2009-07-13 KR KR1020090063530A patent/KR100933787B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060031681A (ko) * | 2003-07-07 | 2006-04-12 | 크라이프토그라피 리서치, 인코포레이티드 | 해적행위를 제어하고 쌍방향 컨텐츠를 가능하게 하기 위한재프로그램가능한 보안 |
KR20090054067A (ko) * | 2007-11-26 | 2009-05-29 | 한국전자통신연구원 | 이미지 필터를 이용한 포렌식 증거 분석 시스템 및 방법 |
KR20090064699A (ko) * | 2007-12-17 | 2009-06-22 | 한국전자통신연구원 | 증거 수사를 위한 디지털 포렌식 서버 및 그 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114925008A (zh) * | 2022-03-24 | 2022-08-19 | 南宁磁动电子科技有限公司 | 西部数据硬盘电子取证工具 |
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