Abstract
An identity-based broadcast encryption scheme (IBBE), is the one in which the broadcasting sender combines the public identities of receivers and system parameters and then encrypts a message. Attacks on user privacy may happen as the user identity is not preserved. This paper presents an IBBE scheme for multi-privileged users using Chinese Remainder Theorem and bilinear pairing that preserves the user identities. The proposed scheme is proved secure under random oracle model. The proposed scheme provides a stateless broadcast, is dynamic with ease for revocation of users and also collusion resistant.
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Muthulakshmi, A., Anitha, R., Rohini, S., Princy, K. (2012). Identity Based Privacy Preserving Dynamic Broadcast Encryption for Multi-privileged Groups. In: Thampi, S.M., Zomaya, A.Y., Strufe, T., Alcaraz Calero, J.M., Thomas, T. (eds) Recent Trends in Computer Networks and Distributed Systems Security. SNDS 2012. Communications in Computer and Information Science, vol 335. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34135-9_28
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DOI: https://doi.org/10.1007/978-3-642-34135-9_28
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