In this paper, we show that a key encapsulation mechanism (KEM) does not have to be IND-CCA secure in the construction of hybrid encryption schemes, as was previously believed. Tha...
Abstract. Besides the pure technical features, the usability of a PKIenabled application plays a crucial role since the best security application will fail in practice if its usabi...
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...