The Key Authority – Secure Key Management in Hierarchical Public Key Infrastructures
Wiesmaier, A. and Lippert, M. and Karatsiolis, E.
International Conference on Security and Management (SAM'04), p.89–93
[Conference Proceedings]

A. Lukavchenko and H. Rajasekaran and A. Wiesmaier and P. Kikiras
[Conference Proceedings]