Abstract. Dittmann, Katzenbeisser, Schallhart and Veith (IACR ePrint 2004) introduced the notion of invertible media authentication schemes, embedding authentication data in media ...
for reasoning about abstract models of protocols. The work on informal methods attempts to discern common patterns in the extensive record of flawed protocols, and to formulate po...
OpenSST (Open Simple Secure Transaction) is a free software project and aims to create an efficient, open and secure alternative to the secure proprietary transaction protocol. Op...
Threshold cryptosystems and signature schemes give ways to distribute trust throughout a group and increase the availability of cryptographic systems. A standard approach in design...
The need for delegating information arises when the data owner wants to have her data handled by an external party. If the external party is untrusted and data are confidential, d...
Josep Domingo-Ferrer, Ricardo X. Sanchez del Casti...