Hyung-Seok Hahm

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Email List Services (or simply, <i>mailing lists</i>) are becoming increasingly common for collaborative computing. In order to enable their use for official purposes with increased effectiveness and security, services typically provided by postal mail (e.g. fair delivery) need to be provided in mailing lists. In this paper we propose a novel Certified(More)
Scalable group key management solutions are crucial for supporting Internet applications that are based on a group communication model. Many solutions have been proposed and of these the most efficient and scalable ones are based on logical key hierarchies (LKH) with symmetric keys organized in a tree. However, these solutions centralize trust in the group(More)
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