We introduce a new cryptographic technique that we call universal re-encryption. A conventional cryptosystem that permits reencryption, such as ElGamal, does so only for a player w...
Philippe Golle, Markus Jakobsson, Ari Juels, Paul ...
We consider the model of population protocols introduced by Angluin et al. [AAD+ 04], in which anonymous finite-state agents stably compute a predicate of the multiset of their in...
Dana Angluin, James Aspnes, David Eisenstat, Eric ...
Group signatures is a powerful primitive with many practical applications, allowing a group of parties to share a signature functionality, while protecting the anonymity of the si...
Abstract—Tor is a well-known low-latency anonymous communication system that is able to bypass Internet censorship. However, publicly announced Tor routers are being blocked by v...
Zhen Ling, Junzhou Luo, Wei Yu, Ming Yang, Xinwen ...
Currently, the Internet and the World Wide Web on-line business is booming, with traffic, advertising and content growing at sustained exponential rates. However, the full potentia...