Several variations of rooted tree based solutions have been recently proposed for member revocation in multicast communications [18, 19, 20, 21]. In this paper, we show that by ass...
Abstract. We consider the broadcast exclusion problem: how to transmit a message over a broadcast channel shared by N = 2n users so that all but some specified coalition of k excl...
Abstract. We provide a simple secret-key two-party secure communication scheme, which is provably information-theoretically secure in the limited-storage-space model. The limited-s...