A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2011; you can also visit the original URL.
The file type is
A secure multicast framework should only allow authorized members of a group to decrypt received messages; usually one "group key" is shared by all approved members. However, this raises the problem of "one affects all," whereby the actions of one member affect the whole group. Many researchers solve the problem by dividing a group into several subgroups, but most existing solutions require a centralized trusted controller to coordinate cryptographic keys for subgroups. We believe this is adoi:10.1145/1128817.1128875 dblp:conf/ccs/HuangCCL06 fatcat:cnjfnxoncrgypfcyqku6dhgjca