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Journal Article Key Establishment and Pairing Management Protocol for Downloadable Conditional Access System Host Devices
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Authors
Han-Seung Koo, O-Hyung Kwon, Soo In Lee
Issue Date
2010-04
Citation
ETRI Journal, v.32, no.2, pp.204-213
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.10.1409.0077
Project Code
09MR3300, The Development of Downloadable Conditional Access System, Kwon O Hyung
Abstract
In this paper, we investigate the possible security threats to downloadable conditional access system (DCAS) host devices. We then propose a DCAS secure micro (SM) and transport processor (TP) security protocol that counters identified security threats using a secure key establishment and pairing management scheme. The proposed protocol not only resists disclosed SM ID and TP ID threats and indirect connection between TA and TP threats, but also meets some desirable security attributes such as known key secrecy, perfect forward secrecy, key compromised impersonation, unknown key-share, and key control. Copyright © 2010 ETRI.
KSP Keywords
Conditional access system, Key establishment, Perfect forward secrecy, Security attributes, System host, management scheme, security protocol, security threats