The UNIX operating system was developed in a friendly, collaborative environment without any particular predefined objectives. As it entered less friendly environments, expanded it...
The group signature scheme [1], ACJT for short, is popular. In this paper we show that it is not secure. It does not satisfy exculpability. The group manager can sign on behalf of ...
Today, many applications require users from one organization to access data belonging to organizations. While traditional solutions offered for the federated and mediated database...
This paper discusses how electronic voting was implemented in practice in the Netherlands, which choices were made and how electronic voting was finally abolished. This history is ...
Enhanced Pretty Good Privacy (EPGP) is a new cryptosystem based on Pretty Good Privacy (PGP), used for the purpose of secure e-mail message communication over an open network. The...