등록
다운로더블 제한 수신 서비스를 위한 헤드엔드 시스템 및 그동작방법
- 발명자
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김순철, 권은정, 정영호, 구한승, 김희정, 이수인, 권오형
- 출원번호
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12246663 (2008.10.07)
- 공개번호
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20090144539 (2009.06.04)
- 등록번호
- 8533458 (2013.09.10)
- 출원국
- 미국
- 협약과제
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07MR3400, Downloadable 제한수신 시스템 개발,
권오형
- 초록
- A method of operating a headend system for a downloadable conditional access service, the method including: receiving, by an Authentication Proxy (AP) server, basic authentication information from a Downloadable Conditional Access System (DCAS) host, the basic authentication information being required to authenticate the DCAS host; transmitting, by the AP server, the basic authentication information to an external trusted authority device which authenticates the DCAS host; generating, by the AP server, a session key for encrypting/decrypting a secure micro client using a session key sharing factor; obtaining, by the AP server, download-related information of the secure micro client from a DCAS Provisioning Server (DPS); and commanding, by the AP server, an Integrated Personalization System (IPS) server to download the secure micro client to the DCAS host based on the download-related information, the secure micro client being encrypted by the session key.
- KSP 제안 키워드
- Conditional access system, Session key, Trusted Authority, conditional access, key sharing
- 패밀리
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