We construct public-key systems that support comparison queries (x ≥ a) on encrypted data as well as more general queries such as subset queries (x ∈ S). These systems support...
Abstract. We show a new protocol for blind signatures in which security is preserved even under arbitrarily-many concurrent executions. The protocol can be based on standard crypto...
Carmit Hazay, Jonathan Katz, Chiu-Yuen Koo, Yehuda...
Abstract In this doctoral work we aim at developing a rich timed concurrent constraint (tcc) based language with strong ties to logic. The new calculus called Universal Timed Concu...
Carlos Olarte, Catuscia Palamidessi, Frank Valenci...