Abstract. Multicasting is increasingly used as an efficient communication mechanism for group-oriented applications in the Internet. In order to offer secrecy for multicast applic...
Past active Internet worms have caused widespread damage. Knowing the connection characteristics of such a worm very early in its proliferation cycle might provide first responde...
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...