A coalition provides a virtual space across a network that allows its members to interact in a transparent manner. Coalitions may be formed for a variety of purposes. These range ...
An Air Force evaluation of Multics, and Ken Thompson’s famous Turing award lecture “Reflections on Trusting Trust,” showed that compilers can be subverted to insert maliciou...
It is sometimes argued (as in [6]) that finding meaningful hash collisions might prove difficult. We show that at least one of the arguments involved is wrong, by showing that for...
Credentials like passwords or cryptographic key pairs are a means to prove one’s identity to a web server. A practical problem in this context is the question of how a user can t...
Tobias Straub, Thilo-Alexander Ginkel, Johannes Bu...
In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...