Print Email Facebook Twitter A dynamic digital signature scheme without third parties Title A dynamic digital signature scheme without third parties Author Van Elsas, M. Van der Lubbe, J.C.A. Weber, J.H. Faculty Electrical Engineering, Mathematics and Computer Science Department Intelligent Systems Date 2015-12-31 Abstract We propose a digital signature scheme for dynamic coalitions. Particularly, we enable members to join and leave. Our scheme does not need trusted or oblivious third parties (TTPs or OTPs). In this distributed scheme there is a changing secret group key dependent on the members in the group. Each member's secret key remains the same for all group compositions. The downside of this approach is that we need to keep track of the signatures signed by each group composition to prevent backlogging. We use One-Way Accumulators to minimise the amount of information that needs to be saved for this. To reference this document use: http://resolver.tudelft.nl/uuid:d88fe70c-38a8-4115-906d-bfa7e959f75a ISBN 978-2-8052-0277-3 Source Proceedings of the 36th WIC Symposium on Information Theory in the Benelux and the 5th Joint WIC/IEEE Symposium on Information Theory and Signal Processing; Brussels (Belgium), 6-7 May, 2015; Authors version Part of collection Institutional Repository Document type conference paper Rights (c) 2015 The Authors Files PDF 322907.pdf 190.43 KB Close viewer /islandora/object/uuid:d88fe70c-38a8-4115-906d-bfa7e959f75a/datastream/OBJ/view