1251 search results - page 69 / 251 » On the security of group communication schemes |
AMC
2005
13 years 8 months ago
2005
Abstract. Key authentication is very important in secret communications and data security. Recently, Lee, Hwang and Li proposed a new public key authentication scheme for cryptosys...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Feedback of channel state information (CSI) enables a multi-carrier transmitter to optimize the power allocation across sub-channels. We consider a single user feedback scheme ...
CRYPTO
2008
Springer
13 years 10 months ago
2008
Springer
In cryptography, there has been tremendous success in building various two-party protocols with small communication complexity out of homomorphic semantically-secure encryption sc...
NGC
2001
Springer
14 years 17 days ago
2001
Springer
In multicast communication, it is often required that feedback is received from a potentially very large group of responders while at the same time a feedback implosion needs to be...
CTRSA
2007
Springer
14 years 2 months ago
2007
Springer
In 2002, Micali and Rivest raised an open problem as to whether directed transitive signatures exist or not. In 2003, Hohenberger formalized the necessary mathematical criteria for...