: The Transplantation Unit of the Technical University of Munich has developed a mobile, handheld based application for preoperative transplantation patient management. It provides...
Andreas Krause, Alexander T. Mehlhorn, Dominik Har...
: Present-day handheld devices, such as PDAs, are a useful blend of hardware and software oriented toward the mobile workforce. While they provide the capability to review document...
How can we design a PDA that is at the same time secure and usable? In current implementations the two properties are mutually exclusive. Because normal users find password entry ...
Abstract. An electronic signature is considered to be valid, if the signature is mathematically correct and if the signer's public key is classified as authentic. While the fi...
This paper initiates a study of accountable certificate management methods, necessary to support long-term authenticity of digital documents. Our main contribution is a model for ...