KR100711171B1 - 정보 처리 장치, 정보 처리 방법, 및 프로그램 저장 매체 - Google Patents
정보 처리 장치, 정보 처리 방법, 및 프로그램 저장 매체 Download PDFInfo
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- KR100711171B1 KR100711171B1 KR1020000029219A KR20000029219A KR100711171B1 KR 100711171 B1 KR100711171 B1 KR 100711171B1 KR 1020000029219 A KR1020000029219 A KR 1020000029219A KR 20000029219 A KR20000029219 A KR 20000029219A KR 100711171 B1 KR100711171 B1 KR 100711171B1
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
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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
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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
- G11B20/00333—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 header data, e.g. in sector headers
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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
- G11B20/00666—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of erasing or nullifying data, e.g. data being overwritten with a random string
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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
- G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
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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
- G11B20/00746—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 can be expressed as a specific number
- G11B20/00789—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 can be expressed as a specific number wherein the usage restriction limits the number of functional copies, which can be accessed at a time, e.g. electronic bookshelf concept, virtual library, video rentals or check-in/check out
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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
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1883—Methods for assignment of alternate areas for defective areas
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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
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1883—Methods for assignment of alternate areas for defective areas
- G11B20/1889—Methods for assignment of alternate areas for defective areas with discs
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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
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Abstract
Description
Claims (5)
- 정보 처리 장치에 있어서,컨텐트 데이터를 저장하는 저장 수단;상기 컨텐트 저장 수단에 저장된 컨텐트에 대한 각각의 조작에 의해 증가되며, 상기 컨텐트 저장 수단에 저장된 컨텐트와 관련되는 변수(sequential number)를 저장하는 메모리 수단;관리 정보에 포함된 것으로 상기 메모리 수단에 저장된 최근 변수를 포함하는 연산 정보에 기초하여 소정의 연산을 행하는 연산 수단;상기 컨텐트 저장 수단에 저장된 컨텐트가 조작될 것이 요청되면 상기 변수를 증가시키고, 상기 증가된 변수를 상기 메모리 수단에 기입하는 증가 수단; 및상기 연산 수단에 의해 행해진 상기 연산의 결과를 상기 메모리 수단에 저장된 이전의 연산 결과와 비교하고, 이 비교의 결과에 따라 상기 저장 수단에 저장된 상기 컨텐트 데이터의 사용을 제어하는 제어 수단을 포함하는 것을 특징으로 하는 정보 처리 장치.
- 제1항에 있어서,상기 연산 수단은 상기 연산 정보에 해쉬(hash) 함수를 적용하므로써 상기 연산을 행하는 것을 특징으로 하는 정보 처리 장치.
- 제1항에 있어서,상기 컨텐트 데이터는 음악 데이터이고;상기 연산 정보는 상기 음악 데이터를 식별하는 식별 정보를 포함하며;상기 메모리 수단은 보통 판독 또는 기입이 허락되지 않은 영역에 상기 변수를 저장하는 것을 특징으로 하는 정보 처리 장치.
- 정보 처리 방법에 있어서,컨텐트 데이터를 저장하는 저장 단계;상기 컨텐트 저장 단계에서 저장된 컨텐트에 대한 각각의 조작에 의해 증가되며, 상기 컨텐트 저장 단계에서 저장된 컨텐트와 관련되는 변수를 메모리 저장하는 메모리 단계;관리 정보에 포함된 것으로 상기 메모리 단계에서 저장된 최근 변수를 포함하는 연산 정보에 기초하여 소정의 연산을 행하는 연산 단계;상기 컨텐트 저장 단계에서 저장된 컨텐트가 조작될 것이 요청되면 상기 변수를 증가시키고, 상기 증가된 변수를 상기 메모리에 기입하는 단계; 및상기 연산 단계에 의해 행해진 상기 연산의 결과를 상기 메모리 단계에서 메모리에 저장된 이전의 연산 결과와 비교하고, 이 비교의 결과에 따라 상기 저장 단계에서 저장된 상기 컨텐트 데이터의 사용을 제어하는 제어 단계를 포함하는 것을 특징으로 하는 정보 처리 방법.
- 프로그램이 저장되는 프로그램 저장 매체에 있어서,상기 프로그램은,컨텐트 데이터를 저장하는 저장 단계;상기 컨텐트 저장 단계에서 저장된 컨텐트에 대한 각각의 조작에 의해 증가되며, 상기 컨텐트 저장 단계에서 저장된 컨텐트와 관련되는 변수를 메모리 저장하는 메모리 단계;관리 정보에 포함된 것으로 상기 메모리 단계에서 저장된 최근 변수를 포함하는 연산 정보에 기초하여 소정의 연산을 행하는 연산 단계;상기 컨텐트 저장 단계에서 저장된 컨텐트가 조작될 것이 요청되면 상기 변수를 증가시키고, 상기 증가된 변수를 상기 메모리에 기입하는 단계; 및상기 연산 단계에 의해 행해진 상기 연산의 결과를 상기 메모리 단계에서 메모리에 저장된 이전의 연산 결과와 비교하고, 이 비교의 결과에 따라 상기 저장 단계에서 저장된 상기 컨텐트 데이터의 사용을 제어하는 제어 단계를 포함하는 것을 특징으로 하는 프로그램 저장 매체.
Applications Claiming Priority (2)
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JP1999-152060 | 1999-05-31 | ||
JP15206099 | 1999-05-31 |
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KR20010014982A KR20010014982A (ko) | 2001-02-26 |
KR100711171B1 true KR100711171B1 (ko) | 2007-04-27 |
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KR1020000029219A KR100711171B1 (ko) | 1999-05-31 | 2000-05-30 | 정보 처리 장치, 정보 처리 방법, 및 프로그램 저장 매체 |
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US (1) | US7143445B1 (ko) |
EP (1) | EP1058255B1 (ko) |
KR (1) | KR100711171B1 (ko) |
DE (1) | DE60042185D1 (ko) |
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AU4839899A (en) * | 1998-06-29 | 2000-01-17 | Recording Industry Association Of America | Security marking system and method for minimizing pirating of data on data media |
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DE60043633D1 (de) | 1999-03-03 | 2010-02-25 | Sony Corp | Wiedergabegerät und Wiedergabeverfahren |
-
2000
- 2000-05-23 US US09/576,621 patent/US7143445B1/en not_active Expired - Lifetime
- 2000-05-30 DE DE60042185T patent/DE60042185D1/de not_active Expired - Lifetime
- 2000-05-30 KR KR1020000029219A patent/KR100711171B1/ko active IP Right Grant
- 2000-05-30 EP EP00111587A patent/EP1058255B1/en not_active Expired - Lifetime
Patent Citations (1)
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KR20000029219A (ko) * | 1998-10-23 | 2000-05-25 | 쟝 삐에르 | 불투성 단열 탱크내에 저장된 액화 가스의 증발을방지하는 방법 및 이를 수행하는 장치 |
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Title |
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"5C digital transmission content protection white paper", ONLINE PUBLICATION, <URL:http://www.dtcp.com/data/wp_spec.pdf> (1998.7.14) * |
1020000029219 - 713273 |
Also Published As
Publication number | Publication date |
---|---|
US7143445B1 (en) | 2006-11-28 |
EP1058255A3 (en) | 2004-03-31 |
EP1058255A2 (en) | 2000-12-06 |
EP1058255B1 (en) | 2009-05-13 |
KR20010014982A (ko) | 2001-02-26 |
DE60042185D1 (de) | 2009-06-25 |
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