등록 METHOD AND APPARATUS FOR MUTUAL AUTHENTICATION IN DOWNLOADABLE CONDITIONAL ACCESS SYSTEM

이미지 확대

METHOD AND APPARATUS FOR MUTUAL AUTHENTICATION IN DOWNLOADABLE CONDITIONAL ACCESS SYSTEM

발명자

Kim Soon Choul, Kwon Eun Jung, Jeong Young Ho, Han Seung Koo, Heejeong Kim, Lee Soo In, Kwon O Hyung

출원번호

12330729 (2008.12.09)

공개번호

20090150672 (2009.06.11)

등록번호

8621218 (2013.12.31)

출원국

UNITED STATES

협약과제

07MR3400, The Development of Downloadable Conditional Access System, Kwon O Hyung

초록

Disclosed is a mutual authentication method and apparatus in a CAS including a headend system and DCAS host. In particular, example embodiments relate to a mutual authentication method and apparatus in DCAS, wherein the mutual authentication is performed between an authentication server of the headend system and an SM of a DCAS host, and then CAS software is downloaded to the SM. According to the example embodiments, there is provided a mutual authentication protocol between the authentication server of the headend and the SM of the DCAS host in a cable network, and also provided a mutual authentication method and apparatus in the DCAS where a substantial authentication based on a hardware, such as a smart card or a cable card, is not needed.

KSP 제안 키워드

Authentication Server, Authentication method, Cable network, Conditional access system, Smart Card, authentication protocol, conditional access, mutual authentication