Abstract. We provide identi£cation protocols that are secure even when the adversary can reset the internal state and/or randomization source of the user identifying itself, and w...
Mihir Bellare, Marc Fischlin, Shafi Goldwasser, Si...
Current developments show that tomorrow’s information systems and applications will no longer be based on monolithic architectures that encompass all the functionality. Rather, t...
An expectation of a signature system is that a signatory cannot dispute a signature. Aiming at this, the following questions arise: Can documents in electronic commerce on the Inte...
Existing authorization mechanisms fail to provide powerful and robust tools for handling security at the scale necessary for today's Internet. These mechanisms are coming unde...
This paper presents an extended architecture of a policy definition framework fine-tuned for service-oriented environments conforming to the SOA distributed processing paradigm. We...