MULTICAST SECURITY USING KEY GRAPHS AND SECRET SHARING
Ahmet M. Eskicioğlu, Mehmet Rasit Eskicioglu · Networks · 2002
this paper, we introduce a new approach based on secret sharing in which the server assigns unique secret shares to the nodes in the distffbufion tree. Our proposal is a preposifioned shared secret scheme that allows the reconstruction of different keys by communicating different activating shares for the same preposifioned information, i.e., the shares stored at the key nodes in the tree