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Detail
Registered HEADEND SYSTEM FOR DOWNLOADABLE CONDITIONAL ACCESS SERVICE AND METHOD OF OPERATING THE SAME
- Inventors
- Kwon Eun Jung, Kim Soon Choul, Heejeong Kim, Jeong Young Ho, Han Seung Koo, Kwon O Hyung, Lee Soo In
- Application No.
- 12246663 (2008.10.07)
- Publication No.
- 20090144539 (2009.06.04)
- Registration No.
- 8533458 (2013.09.10)
- Country
- UNITED STATES
- Project Code
- 07MR3400, The Development of Downloadable Conditional Access System, Kwon O Hyung
- Abstract
- 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 Keywords
- Conditional access system, Session key, Trusted Authority, conditional access, key sharing
- Family
| Status | Patent | Country | KIPRIS |
|---|---|---|---|
| Registered | 다운로더블 제한 수신 서비스를 위한 헤드엔드 시스템 및 그 동작 방법 | KOREA | KIPRIS |