TLS has been formally analyzed with the OTS/CafeOBJ method. In the method, distributed systems are modeled as transition systems, which are written in terms of equations, and it i...
Since bit and string oblivious transfer and commitment, two primitives of paramount importance in secure two- and multi-party computation, cannot be realized in an unconditionally ...
In an electronic cash (e-cash) system, Recoverability means once you have lost your e-cash, you still can get back the amount of e-cash that you have lost. Untraceability means no ...
In this paper we study the link between formal and cryptographic models for security protocols in the presence of a passive adversary. In contrast to other works, we do not conside...
There is a broad literature on distributed card games over communications networks, collectively known as mental poker. Like in any distributed protocol, avoiding the need for a Tr...