Efficient identification and signatures for smart cards
CRYPTO '89 Proceedings on Advances in cryptology
An efficient secure communication between set-top box and smart card in DTV broadcasting
ASIACCS '06 Proceedings of the 2006 ACM Symposium on Information, computer and communications security
Architecture of authentication mechanism for emerging t-commerce environments
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part I
A new secure key exchange protocol between STB and smart card in DTV broadcasting
WISI'06 Proceedings of the 2006 international conference on Intelligence and Security Informatics
Secure communication between set-top box and smart card in DTV broadcasting
IEEE Transactions on Consumer Electronics
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Bilinear pairing based mutual authentication and key agreement protocol for DTV broadcast encryption is presented in this paper. The protocol facilitates key agreement with lesser communication between set-top box and smart card with forward secrecy and is resilient to replay, forgery, man-in-the-middle and insider attacks and we provide the security analysis for it. The protocol is especially attractive for conditional access system including gaming, betting, shopping and banking services and where the user' smart card have low computational power. The protocol also provides flexible password change option to the users.