KR980700644A - 광디스크 및 광기록장치 및 광재생장치 및 암호통신방식 및 프로그램사용허가방식(optical disk, optical recorder, optical reproducing device, encrypted communication system, and authorizing system for use of program) - Google Patents
광디스크 및 광기록장치 및 광재생장치 및 암호통신방식 및 프로그램사용허가방식(optical disk, optical recorder, optical reproducing device, encrypted communication system, and authorizing system for use of program)Info
- Publication number
- KR980700644A KR980700644A KR1019970703865A KR19970703865A KR980700644A KR 980700644 A KR980700644 A KR 980700644A KR 1019970703865 A KR1019970703865 A KR 1019970703865A KR 19970703865 A KR19970703865 A KR 19970703865A KR 980700644 A KR980700644 A KR 980700644A
- Authority
- KR
- South Korea
- Prior art keywords
- information
- identification information
- encryption
- optical disc
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 52
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 title 1
- 238000004364 calculation method Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
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- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
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- 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]
- G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
- G06F21/1014—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to tokens
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Abstract
네트워크이용형 광디스크의 응용시스템의 조작순서나 여러가지 수속을 간편화한다. 광디스크에 부(副)정보기록영역을 마련하여, 디스크마다 다른 ID나 암호의 암호키(key), 복호키를 공장에서 기록해 놓는다. 사용자가, 소프트의 암호해제에는 ID를, 암호송신시에는 암호키를, 암호수신시에는 복호키를 이용하므로써 순서나 수속을 생략할 수 있다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예의 광디스크의 공정도.
Claims (28)
- 주정보가 미소한 요철인 피트에 의해서 제 1 변조방식으로 기록된 광디스크dml 제 1 기록영역의 소정부분에 있어서, 반사막을 반경방향으로 긴 형상으로, 또한 여러개, 부분적으로 제거하므로써 상기 제 1 변조방식과 다른 제 2 변조방식으로 부정보가 기록되어 있는 제 2 기록영역을 구비한 광디스크에 있어서, 상기 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보가 기록되어, 상기 제 1 식별정보 및/또는 소정의 패스워드를 이용하여 사용가능해지는 불허가부분이 상기 주정보 속에 기록되어 있는 것을 특징으로 하는 광디스크.
- 제 1 항에 있어서, 광디스크는, 재생형 광디스크인 것을 특징으로 하는 광디스크.
- 제 1 항 또는 제 2 항에 있어서, 소정의 패스워드는 제 1 식별정보를 이용하여 소정의 연산을 실행하여 구하는 것을 특징으로 하는 광디스크.
- 제 1 항 또는 제 2 항에 있어서, 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보에 부가하여, 암호의 암호키 및/또는 암호의 복호키가 기록되어 있는 광디스크.
- 제 1 항 또는 제 2항에 있어서, 제 1 변조방식으로tj 8-16변조방식을 이용하여 제 2 변조방식으로서 페이즈인 코딩(phase incording)변조방식을 이용하는 것을 특징으로 하는 광디스크.
- 주정보가 미소한 요철인 피트에 의해서 제 1 변조방식으로 기록된 광디스크의 제 1 기록영역의 소정부분에 있어서, 반사막을 반경방향으로 긴 형상으로 또한 여러개, 부분적으로 제거하므로써 상기 제 1 변조방식과 다른 제 2 변조방식으로 부정보가 기록되어 있는 제 2 기록영역을 구비한 광디스크에 있어서, 상기 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보와 암호의 암호키 및/또는 암호의 복호키가 기록되어, 상기 제 1 식별정보 및/또는 소정의 패스워드를 이용하여 사용가능해지는 불허가부분이 상기 주정보 속에 기록되어 있는 광디스크를 재생하는 스텝과, 상기 부정보로부터 상기 제 1 식별정보를 재생하는 스텝과 상기 제 1 식별정보 및/또는 상기 소정의 패스워드를 이용하여 상기 불허가부분을 사용가능하게 하여 출력하는 스텝을 포함하는 것을 특징으로 하는 프로그램사용허가방식.
- 제 6 항에 있어서, 소정의 패스워드는 제 1 식별정보를 이용하여 소정의 연산을 실행하여 구하는 것을 특징으로 하는 프로그램사용허가방식.
- 주정보가 미소한 요철인 피트에 의해서 제 1 변조방식으로 기록된 광디스크의 제 1 기록영역의 소정부분에 있어서, 반사막을 반경방향으로 긴 형상으로 또한 여러개, 부분적으로 제거하므로써 상기 제 1 변조방식과 다른 제 2 변조방식으로 부정보가 기록되어 있는 제 2 기록영역을 구비한 광디스크에 있어서, 상기 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보 또한 암호의 제 1 암호키 및/또는 암호의 복호키가 기록되어 있는 광디스크를 제1컴퓨터에서 재생하여 상기 제 1 식별정보와 상기 제 1 암호키를 상기 부정보로부터 판독하는 스텝과, 상기 제 1 암호키와 암호알고리즘을 이용하여 제 1 데이터를 암호화한 제 1 암호를 얻는 스텝과, 상기 제 1 암호를 상기 제 1 컴퓨터의 통신수단으로부터 네트워크를 통해 제 2 컴퓨터에 송신하는 스텝을 포함하는 것을 특징으로 하는 암호통신방식.
- 제 8 항에 있어서, 암호알고리즘을 주정보로부터 판독하는 것을 특징으로 하는 암호통신방식.
- 제 1 컴퓨터에 있어서, 광디스크의 제 1 기록영역에서 주정보를 재생하는 스텝과, 제 2 기록영역으로부터 개개의 광디스크를 식별하기위한 제 1 식별정보 또한 암호의 제 1 암호키 및/또는 암호의 복호키를 포함하는 부정보를 재생하는 스텝과, 상기 제 1 컴퓨터의 제 1 데이터를 부정보 중의 제 1 암호키를 이용하여 암호알고리즘에 의해 암호화하여 제1암호를 작성하는 스텝과, 특정한 접속어드레스의 제 2 컴퓨터로 네트워크를 통해 접속하여 상기 부정보 중의 제 1 식별정보와 상기 제 1 암호를 송신하는 스텝과, 상기 제 2 컴퓨터에 있어서 상기 제 2 식별정보와 상기 제 1 암호를 수신하는 스텝과, 제 1 복호키와 제 1 식별정보의 대응관계가 저장되어 있는 제 1 복호키데이터베이스로부터 수신한 상기 제 1 식별정보에 대응하는 암호의 복호키인 제 1 복호키를 선택하는 스텝과, 상기 제 1 복호키에 근거하여, 상기 제 1 암호를 복호하여 상기 제 1 데이터를 얻는 스텝을 포함하는 것을 특징으로 하는 암호통신방식.
- 제 10 항에 있어서, 제 1 컴퓨터에 있어서, 암호키를 생성하는 제 1 암호생성수단에 의해 제 2 암호키와, 상기 제 2 암호키와 쌍을 이루는 제 2 복호키를 생성하는 스텝과, 상기 제 1 컴퓨터에 있어서 제 1 암호키를 이용하여 상기 제 2 암호키를 암호화한 제 3 암호를 얻는 스텝과, 상기 제 3 암호를 제 2 컴퓨터에 송신하는 스텝을 포함하는 것을 특징으로 하는 암호통신방식.
- 제 11 항에 있어서, 제 2 컴퓨터에 있어서 수신한 제 3 암호를 제 1 복호키를 이용하여 복호하여, 제 2 암호키의 평문을 얻는 스텝과, 상기 제 2 암호키로 제 2 데이터를 암호화한 제 4 암호를 얻는 스텝과, 상기 제 4 암호를 제 1 컴퓨터에 송신하는 스텝을 포함하는 것을 특징으로 하는 암호통신방식.
- 제 8 항에 있어서, 공개키계 암호를 포함하는 부정보로부터, 공개키계 암호의 2개이상의 암호키 및/또는 복호키를 재생하는 스텝에 있어서, 상기 암호키 또는 복호키의 키중 적어도 1개는 타원함수암호를 이용하는 것을 특징으로 하는 암호통신방식.
- 제 8 항에 있어서, 부정보에 제 2 컴퓨터의 접속어드레스정보를 포함하는 광디스크를 이용하여, 상기 부정보로부터 상기 접속어드레스를 재생하는 스텝을 포함하는 것을 특징으로 하는 암호통신방식.
- 광디스크의 제 1 기록영역의 기록층에 레이저광을 광학렌즈를 이용하여 조사하는 것에 의해, 주정보를 제 1 변조방식으로 변조하여 기록하는 기록 장치에 있어서, 기록하기 전에 제 2 변조방식으로 제1식별정보 또한 암호의 제 1 암호키 및/또는 암호의 복호키가 기록된 제 2 기록영역의 부정보를 재생하고, 상기 제 1 식별정보 및/또는 제 1 암호키와 특정한 암호알고리즘을 이용하여 주정보를 암호화한 주암호를 작성하고, 상기 주암호를 상기 제 1 기록영역의 기록층에 상기 제 1 변조방식으로 기록하는 것을 특징으로 하는 광디스크기록장치.
- 제 15 항에 있어서, 제 1 데이터가 제 2 암호알고리즘으로 암호화된 제 2 암호와, 상기 제 1 데이터를 광디스크에 기록하는 것을 허가하는 기록허가정보를 수신부에서 수신하여, 상기 제 2 암호를 제 2 복호수단에 의해 복호한 제2복호정보를 얻음과 동시에, 암호연산수단에 있어서 상기 제 2 암호알고리즘과는 다른 제 1 암호알고리즘과 부정보를 이용하여 상기 제 2 복호정보를 암호화한 주암호를 생성하고, 상기 기록허가정보가 있는 경우에만 광디스크의 제 1 기록영역에 상기 주암호를 기록하는 것을 특징으로 하는 광디스크기록 장치.
- 제 16 항에 있어서, 연산기가 입력한 IC 카드를 장착하여, 상기 IC 카드에 부정보의 디스크를 식별하는 제 1 식별정보를 입력하여, 상기 제 1 식별정보를 상기 연산기로 연산하고, 연산결과를 상기 IC 카드로부터 암호연산수단에 입력시켜, 제2복호신호를 암호화한 주암호를 얻어, 상기 주암호를 광디스크에 기록하는 것을 특징으로 하는 광디스크기록 장치.
- 제 1 데이터가 제 1 식별정보를 이용하여 암호수단에 의해 암호화된 주암호가 제 1 기록영역에 제 1 변조방식으로 기록된 광디스크를 광헤드와 제 1 복조수단에 의해 판독함과 동시에, 상기 광디스크의 제 2 기록영역에 제 2 변조방식으로 기록된 부정보를 상기 광헤드와 제2복조수단에 의해 재생하고, 상기 부정보 중의 제 1 식별정보 또는 상기 제 1 식별정보에 특정한 연산을 실행한 제 1 부(副)식별정보를 이용하여 상기 주암호를 복호수단으로 복호하는 것에 의해, 상기 제 1 데이터를 얻는 것을 특징으로 하는 광디스크재생장치.
- 제 18 항에 있어서, 제 1 복조수단의 변복조방식으로서 8-16변복조방식을 이용하고, 제 2 복조수단의 복조방식으로서 페이즈인코딩복조방식을 이용한 것을 특징으로 하는 광디스크재생장치.
- 제 18 항에 있어서, 복호수단은 n개의 복호키를 갖고, 광디스크의 주정보에서 재생한 복호키식별정보에 근거해 상기 n개 중 특정한 1개의 복호키를 선택하는 것을 특징으로 하는 광디스크재생장치.
- 제 6 항에 있어서, 제 1 컴퓨터를 네트워크를 통해 특정한 어드레스의 제 2 컴퓨터에 접속하는 스텝과, 부정보중의 디스크를 식별하기위한 제 1 식별정보를 상기 제 2 컴퓨터에 송신하는 스텝과, 상기 제 2 컴퓨터에 있어서 상기 제 1 식별정보에 특정한 암호연산을 실행하고, 연산하여 얻은 패스워드를 상기 제 1 컴퓨터에 송신하는 스텝과, 상기 제 1 컴퓨터에 있어서 상기 패스워드와 상기 제 1 식별정보를 복호연산부에서 연산하고, 연산하여 얻은 제 2 복호코드를 암호디코더에 보내는 스텝과, 상기 암호디코더가 상기 제 2 복호코드를 이용하여, 상기 광디스크의 주정보 중의 불허가부분을 사용가능하게 하는 스텝을 포함하는 것을 특징으로 하는 프로그램사용허가방식.
- 주정보가 미소한 요철인 피트에 의해서 제 1 변조방식으로 기록된 광디스크의 제 1 기록영역의 소정부분에 있어서, 반사막을 부분적으로 제거하는 것에 의해 상기 제 1 변조방식과는 다른 제 2 변조방식으로 부정보가 중첩기입되어 있는 제 2 기록영역을 구비한 광디스크에 있어서, 상기 부정보에 개개의 광디스크를 식별하기 위한 제 1 식별정보가 기록되어 있음과 동시에, 상기 주정보 속에 제 1 프로그램 및 상기 제 1 프로그램을 제 1 컴퓨터 중의 하드디스크에 인스톨하는 인스톨프로그램과 통신프로그램이 기록되어 있는 광디스크를 제 1 컴퓨터가 재생하는 스텝과, 상기 부정보에서 상기 제 1 식별정보를 재생하는 스텝과, 상기 제 1 프로그램을 상기 하드디스크에 인스톨하는 스텝과, 상기 제 1 식별정보 또는 상기 제 1 식별정보에 특정한 연산을 실행한 제 1 부식별정보를 상기 하드디스크에 기록하는 스텝과, 인스톨한 상기 제 1 프로그램의 기동, 또는 특정 동작시에, 상기 통신프로그램은 상기 제 1 식별정보 또는 상기 제1부식별정보를, 상기 제 1 컴퓨터에 네트워크를 통해 접속된 제 2 컴퓨터에 송신하는 스텝, 또는 상기 제 2 컴퓨터의 하드디스크 중의 제 1 식별정보에 대응하는 제 2 식별정보 또는 제 2 식별정보에 특정한 연산을 한 제 2 부식별정보를 상기 네트워크를 통해 체크하는 스텝과, 상기 제 1 식별정보와 상기 제 2 식별정보의 일치 또는, 상기 제 1 식별정보와 상기 제 2 부식별정보의 일치가 있는 경우에는 상기 제 1 프로그램의 특정한 동작을 제한, 또는 특정한 동작을 추가하는 스텝을 포함하는 것을 특징으로 하는 프로그램의 부정 인스톨 검출방식.
- 주정보가 미소한 요철인 피트에 의해서 제 1 변조방식으로 기록된 광디스크이 제 1 기록영역의 소정부분에 있어서, 반사막을 반경방향으로 길게, 또한 나안(裸眼)으로는 정보를 판독할 수없는 바(bar)형상으로 부분적으로 제거하므로써, 상기 제 1 변조방식과는 다른 제 2 변조방식으로, 또한 상기 주정보보다도 낮은 기록밀도로 부정보가 중첩기입되어 있는 제 2 기록영역을 구비한 광디스크에 있어서, 상기 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보가 기록되어 있음과 동시에, 상기 광디스크의 제 1 기록영역의 주정보 속에 제 1 데이터가 기록되고, 또한, 상기 제 1 식별정보와 특정한 대응관계에 있는 데이터가 상품바코드용판독기로 판독되는 상품바코드로서 인쇄되어 있는 것을 특징으로 하는 광디스크.
- 제 23 항에 있어서, 상품바코드는 광디스크의 재생면과 반사측의 면에 인쇄되어 있는 것을 특징으로 하는 광디스크.
- 주정보가 미소한 요철인 피트에 의해서 제 1 변조방식에 의해 기록된 광디스크의 제 1 기록영역의 소정부분에 있어서, 반사막을 부분적으로 제거하므로써 상기 제 1 변조방식과는 다른 제 2 변조방식으로 부정보가 중첩기입되어 있는 제 2 기록영역을 구비한 광디스크에 있어서, 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보가 기록되어 있음과 동시에, 상기 광디스크의 제 1 기록영역의 주정보 속에 사용이 허가되어 있지 않은 불허가부분을 포함함과 동시에, 상기 제 1 식별정보 또는 상기 제 1 식별정보와 특정한 관계에 있는 제 1 부식별정보가 상품바코드용판독기로 판독가능한 바코드가 인쇄된 광디스크로부터, 제 1 컴퓨터에 있어서 상기 상품바코드용판독기를 이용하여 상기 제 1 식별정보 또는 상기 제 1 부식별정보를 판독하는 스텝과, 상기 제 1 식별정보 또는 상기 제 1 부식별정보를 네트워크를 통해 제 2 컴퓨터에 송신하는 스텝과, 상기 제 2 컴퓨터로 상기 제 1 식별정보에 근거하여 암호연산을 실행하고, 상기 불허가부분의 사용을 허가하는 허가정보를 작성하는 스텝과, 상기 허가정보를 상기 제 1 컴퓨터로 송신하는 스텝과, 상기 제 1 컴퓨터로 상기 허가정보를 인쇄수단에 의해 용지에 인쇄하는 스텝을 포함하는 것을 특징으로 하는 광디스크중의 제 1 데이터의 프로그램사용허가방식.
- 주정보가 미소한 요철인 피트에 의해서 기록된 광디스크의 제 1 기록영역의 소정부분에 있어서, 반사막을 반경방향으로 긴 형상으로 또한 여러개, 부분적으로 제거하므로써 상기 피트상에 상기 주정보와 주파수분리할 수 있도록 한 낮은 주파수대역으로 부정보를 중첩기입한 제 2 기록영역을 구비한 광디스크에 있어서, 상기 부정보에 개개의 광디스크를 식별하기위한 제 1 식별정보가 기록되어, 상기 제 1 식별정보 및/또는 소정의 패스워드를 이용하여 사용가능해지는 불허가부분이 상기 주정보 속에 기록되어 있는 것을 특징으로 하는 광디스크.
- 제 26 항에 있어서, 광디스크는, 재생형 광디스크인 것을 특징으로 하는 광디스크.
- 제 26 항 또는 제 27 항에 있어서, 소정의 패스워드는, 제 1 식별정보를 이용하여 소정의 연산을 하여 구하는 것을 특징으로 하는 광디스크.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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KR10-2001-7012846A KR100468251B1 (ko) | 1995-10-09 | 1996-10-08 | 정보 기록 장치 및 정보 재생 장치 |
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KR10-2004-7005284A KR100481596B1 (ko) | 1995-10-09 | 1996-10-08 | 컨텐츠 재생 장치 및 컨텐츠 재생 방법 |
KR10-2001-7012846A KR100468251B1 (ko) | 1995-10-09 | 1996-10-08 | 정보 기록 장치 및 정보 재생 장치 |
KR10-2004-7005283A KR100471955B1 (ko) | 1995-10-09 | 1996-10-08 | 컨텐츠 재생 장치 및 컨텐츠 재생 방법 |
KR1019970703865A KR100460398B1 (ko) | 1995-10-09 | 1996-10-08 | 광디스크 |
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KR10-2004-7005284A KR100481596B1 (ko) | 1995-10-09 | 1996-10-08 | 컨텐츠 재생 장치 및 컨텐츠 재생 방법 |
KR10-2001-7012846A KR100468251B1 (ko) | 1995-10-09 | 1996-10-08 | 정보 기록 장치 및 정보 재생 장치 |
KR10-2004-7005283A KR100471955B1 (ko) | 1995-10-09 | 1996-10-08 | 컨텐츠 재생 장치 및 컨텐츠 재생 방법 |
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EP (11) | EP1414034B1 (ko) |
JP (6) | JP4075078B2 (ko) |
KR (4) | KR100481596B1 (ko) |
CN (5) | CN100347985C (ko) |
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1999
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2001
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2003
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2004
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100665440B1 (ko) * | 1999-04-28 | 2007-01-04 | 마츠시타 덴끼 산교 가부시키가이샤 | 광 디스크, 광 디스크 기록 및 재생장치, 광 디스크 상의 데이터의 기록 및 재생 방법 |
KR100762559B1 (ko) * | 2000-01-31 | 2007-10-01 | 엘지전자 주식회사 | 기록매체를 재생하는 방법 및 장치와 기록매체 재생권한부여방법 |
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