Group communication is becoming increasingly popular in Internet applications such as videoconferences, online chatting programs, games, and gambling. For secure communications, th...
Non-interactive zero-knowledge proofs play an essential role in many cryptographic protocols. We suggest several NIZK proof systems based on prime order groups with a bilinear map...
Abstract— Many IP multicast-based applications, such as multimedia conferencing, multiplayer games, require controlling the group memberships of senders and receivers. One common...
We show that in applications that use the Diffie-Hellman (DH) transform but take care of hashing the DH output (as required, for example, for secure DH-based encryption and key ex...
the full version of the extended abstract which appears in Latincrypt '10 (august 8-11, 2010, Puebla, Mexico) M. Abdalla and P. Barreto Eds., Springer-Verlag, LNCS 6212, pages...