By functionally decomposing a specific algorithm (the hierarchical secure aggregation algorithm of Chan et al. [3] and Frikken et al. [7]), we uncover a useful general functionali...
Online payments in business-to-consumer electronic commerce are mainly made with credit cards. Fraud and chargebacks are a significant issue for merchants and payment card brands, ...
It is well known that general secure function evaluation (SFE) with information-theoretical (IT) security is infeasible in presence of a corrupted majority in the standard model. ...
The aim of this paper is to provide better support for the development of secure systems. We argue that current development practice suffers from two key problems:
Ivan Flechais, Martina Angela Sasse, Stephen Haile...
The use of location based services has increased significantly over the last few years. However, location information is only sparsely used as a security mechanism. One of the reas...
Georg T. Becker, Sherman C. Lo, David S. De Lorenz...