KR100444695B1 - 전자 배포 시스템에서 고객 구매를 유일하게 식별하기위한 방법 및 장치 - Google Patents
전자 배포 시스템에서 고객 구매를 유일하게 식별하기위한 방법 및 장치 Download PDFInfo
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Abstract
Description
암호화기 | 키 크기 | 키 셋업 시간 | 암호화 속도 |
DES | 56 | 460 | 1,138,519 |
RC2 | 40 | 40 | 286,888 |
RC4 | 40 | 151 | 2,377,723 |
이니셜 | 성분 |
CP | 콘텐트 제공자(들)(101) |
MS | 전자 디지털 콘텐트 스토어(들)(103) |
HS | 콘텐트 호스팅 사이트(들)(111) |
EU | 최종 사용자 장치(들)(109) |
CH | 클리어링하우스(들)(105) |
CA | 증명 기관(들)(도시되지 않음) |
Claims (20)
- 복수의 디지털 콘텐트가 존재할 수 있는 디지털 콘텐트 플레이어상에서 디지털 콘텐트를 유일하게 식별하기 위한 방법에 있어서, 상기 디지털 콘텐트는 컴퓨터 판독가능 매체를 통하거나 통신망을 거쳐 상기 디지털 콘텐트 플레이어로 배달되고, 상기 방법은,암호화된 보안 콘테이너로 2개 이상의 동일한 디지털 콘텐트를 수신하는 단계와,콘텐트 제공자로부터 수신된 콘텐트를 유일하게 식별하는 제 1 식별자를 수신하는 단계와,상기 콘텐트가 수신되는 트랜잭션을 유일하게 식별하는 제 2 식별자를 수신하는 단계와,상가 암호화된 보안 콘테이너로 수신된 각 콘텐트에 대한 제3 식별자 - 상기 제3 식별자는 수신된 각 콘텐트에 대해 상기 암호화된 보안 콘테이너내의 항목 번호 또는 위치 번호에 기초함으로써, 상기 암호화된 보안 콘테이너내에 2개 이상의 동일한 콘텐트가 존재하는 경우에 각각의 콘텐트에 대해 유일의 제3 식별자가 각각 지정됨-를 수신하는 단계와,상기 제 1 식별자, 상기 제 2 식별자 및 상기 제 3 식별자의 수학적인 조합에 기초하여 제 4 유일 식별자를 생성하는 단계와,상기 암호화된 보안 콘테이너내에 2개 이상의 동일한 콘텐트가 존재하더라도 각각의 콘텐트를 상기 제4 식별자에 의해 유일하게 식별하기 위하여 상기 제4 유일 식별자와 수신된 각각의 디지털 콘텐트를 연관시키는 단계를 포함하는 디지털 콘텐트 식별 방법.
- 제 1 항에 있어서, 상기 생성 단계는,상기 제 1 식별자, 상기 제 2 식별자 및 상기 제 3 식별자의 연결(concatenation)에 기초하여 제 4 유일 식별자를 생성하는 단계를 포함하는 디지털 콘텐트 식별 방법.
- 제 1 항에 있어서, 상기 제 2 식별자 수신 단계는,상기 콘텐트를 판매하는 스토어로부터 유일 식별자를 수신하는 단계를 포함하는 디지털 콘텐트 식별 방법.
- 제 3 항에 있어서, 상기 제 3 식별자 수신 단계는,상기 콘텐트를 판매하는 스토어로부터 유일 식별자를 수신하는 단계를 포함하는 디지털 콘텐트 식별 방법.
- 제 1 항에 있어서,상기 제 4 유일 식별자를 소정의 사용 조건들을 갖는 콘텐트와 연관시키는 단계와,상기 콘텐트를 플레이하기 전에 제 4 유일 식별자를 인덱싱함으로써 사용 조건들을 검토하는 단계를 더 포함하는 디지털 콘텐트 식별 방법.
- 제 1 항에 있어서, 상기 제 4 유일 식별자 생성 단계는,비인증된 액세스를 방지하기 위하여 템퍼 레지스턴트(temper-resistant) 환경에서 제 4 유일 식별자를 생성하는 단계를 포함하는 디지털 콘텐트 식별 방법.
- 복수의 동일한 디지털 콘텐트가 존재할 수 있는 사용자 장치상에서의 디지털 콘텐트 사용을 추적하기 위한 시스템에 있어서,디지털 콘텐트 ─상기 콘텐트는 이와 연관된 유일한 콘텐트 식별자를 포함함─ 를 컴퓨터 판독가능 매체를 통해 사용자에게 배포하는 다수의 콘텐트 사이트들과,사용자에게 디지털 콘텐트 데이터를 플레이할수 있는 라이센스를 암호화된 보안 콘테이너로 부여하기 위한 다수의 전자 스토어들 - 각 전자 스토어는 네트워크에 연결되어 있으며, 상기 라이센스는 상기 트랜잭션을 유일하게 식별하기 위한 유일의 트랜잭션 식별자를 포함하고, 상기 라이센스는 상기 암호화된 보안 콘테이너내에 유일의 항목 식별자 또는 위치 식별자를 포함하고 있어서 상기 암호화된 보안 콘테이너내에 2개 이상의 동일한 콘텐트가 그들에 연관된 라이센스들과 함께 존재하는 경우에, 동일한 콘텐트 각각은 유일의 항목 식별자를 구비함-과,콘텐트 데이터를 플레이하기 위한 다수의 콘텐트 플레이어들 ─상기 각 디지털 콘텐트 플레이어는 사용자들중 한명에게 라이센스된 상기 디지털 콘텐트 데이터를 네트워크로부터 수신함-을 포함하고, 상기 콘텐트 플레이어들은, 상기 콘텐트 식별자, 상기 트랜잭션 식별자 및 상기 항목 식별자의 수학적 조합에 기초하여 구매 식별자를 생성하는 디지털 콘텐트 사용 추적 시스템.
- 제 7 항에 있어서,상기 수학적 조합은 연결인 디지털 콘텐트 사용 추적 시스템.
- 제 7 항에 있어서,상기 콘텐트 플레이어는 템퍼 레지스턴트 환경을 포함하고, 상기 구매 식별자는 비인증된 액세스를 방지하기 위하여 템퍼 레지스턴트 환경에서 생성되는 디지털 콘텐트 사용 추적 시스템.
- 디지털 콘텐트를 유일하게 식별하기 위한 디지털 콘텐트 플레이어에 있어서, 복수의 동일한 디지털 콘텐트가 존재할 수 있고 상기 디지털 콘텐트는 컴퓨터 판독가능 매체를 통하거나 통신망을 거쳐 상기 디지털 콘텐트 플레이어로 배달되며, 상기 디지털 콘텐트 플레이어는,암호화된 보안 콘테이너로 2개 이상의 동일한 디지털 콘텐트를 수신하기 위한 수단과,콘텐트 제공자로부터 수신된 콘텐트를 유일하게 식별하는 제 1 식별자를 수신하기 위한 수단과,상기 콘텐트가 수신되는 트랜잭션을 유일하게 식별하는 제 2 식별자를 수신하기 위한 수단과,상가 암호화된 보안 콘테이너내에 수신된 각 콘텐트에 대한 제3 식별자 - 상기 제3 식별자는 수신된 각 콘텐트에 대해 상기 암호화된 보안 콘테이너내의 항목 번호 또는 위치 번호에 기초함으로써, 상기 암호화된 보안 콘테이너내에 2개 이상의 동일한 콘텐트가 존재하는 경우에 각각의 콘텐트에 대해 유일의 제3 식별자가 각각 지정됨-를 수신하기 위한 수단과,상기 제 1 식별자, 상기 제 2 식별자 및 상기 제 3 식별자의 수학적인 조합에 기초하여 제 4 유일 식별자를 생성하기 위한 수단과,상기 암호화된 보안 콘테이너내에 2개 이상의 동일한 콘텐트가 존재하더라도 각각의 콘텐트를 상기 제4 식별자에 의해 유일하게 식별하기 위하여 상기 제4 유일 식별자와 수신된 각각의 디지털 콘텐트를 연관시키기 위한 수단를 포함하는 디지털 콘텐트 플레이어.
- 제 10 항에 있어서, 상기 생성 수단은,상기 제 1 식별자, 상기 제 2 식별자 및 상기 제 3 식별자의 연결에 기초하여 제 4 유일 식별자를 생성하기 위한 수단을 포함하는 디지털 콘텐트 플레이어.
- 제 10 항에 있어서, 상기 제 2 식별자 수신 수단은,상기 콘텐트를 판매하는 스토어로부터 유일 식별자를 수신하기 위한 수단을 포함하는 디지털 콘텐트 플레이어.
- 제 10 항에 있어서, 상기 제 3 식별자 수신 수단은,콘텐트를 판매하는 스토어로부터 유일 식별자를 수신하기 위한 수단을 포함하는 디지털 콘텐트 플레이어.
- 제 10 항에 있어서,상기 제 4 유일 식별자를 소정의 사용 조건들을 갖는 콘텐트와 연관시키기 위한 수단과,상기 콘텐트를 플레이하기 전에 상기 제 4 유일 식별자를 인덱싱함으로써 사용 조건들을 검토하기 위한 수단을 더 포함하는 디지털 콘텐트 플레이어.
- 제1항 내지 제6항중 어느 한 항에 따른 방법을 수행하는 컴퓨터 프로그램 명령어가 저장된 컴퓨터 판독가능 기록매체.
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Also Published As
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EP1085443B1 (en) | 2008-08-27 |
JP2001160003A (ja) | 2001-06-12 |
DE60040041D1 (de) | 2008-10-09 |
EP1085443A2 (en) | 2001-03-21 |
US6389403B1 (en) | 2002-05-14 |
EP1085443A3 (en) | 2005-01-05 |
ATE406622T1 (de) | 2008-09-15 |
KR20010050381A (ko) | 2001-06-15 |
CN1289100A (zh) | 2001-03-28 |
JP4347508B2 (ja) | 2009-10-21 |
CN100345157C (zh) | 2007-10-24 |
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