The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2013
Filed:
Dec. 09, 2008
Eun Jung Kwon, Daejeon, KR;
Han Seung Koo, Daejeon, KR;
Soon Choul Kim, Daejeon, KR;
Young Ho Jeong, Daejeon, KR;
Heejeong Kim, Daejeon, KR;
O Hyung Kwon, Daejeon, KR;
Soo IN Lee, Daejeon, KR;
Eun Jung Kwon, Daejeon, KR;
Han Seung Koo, Daejeon, KR;
Soon Choul Kim, Daejeon, KR;
Young Ho Jeong, Daejeon, KR;
Heejeong Kim, Daejeon, KR;
O Hyung Kwon, Daejeon, KR;
Soo In Lee, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
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.