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구분 출원국
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등록 HEADEND SYSTEM FOR DOWNLOADABLE CONDITIONAL ACCESS SERVICE AND METHOD OF OPERATING THE SAME

다운로더블 제한 수신 서비스를 위한 헤드엔드 시스템 및 그동작방법
이미지 확대
발명자
Kim Soon Choul, Kwon Eun Jung, Jeong Young Ho, Han Seung Koo, Heejeong Kim, Lee Soo In, Kwon O Hyung
출원번호
12246663 (2008.10.07)
공개번호
20090144539 (2009.06.04)
등록번호
8533458 (2013.09.10)
출원국
UNITED STATES
협약과제
07MR3400, The Development of Downloadable Conditional Access System, Kwon O Hyung
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
 
패밀리 특허 목록
구분 특허 출원국 KIPRIS
등록 다운로더블 제한 수신 서비스를 위한 헤드엔드 시스템 및 그 동작 방법 KOREA KIPRIS