Leakage quantification of cryptographic operations
OTM'10 Proceedings of the 2010 international conference on On the move to meaningful internet systems - Volume Part I
Privacy-Preserving speaker authentication
ISC'12 Proceedings of the 15th international conference on Information Security
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Secure Multiparty Computation (SMC) has gained tremendous importance with the growth of the Internet and E-commerce, where mutually untrusted parties need to jointly compute a function of their private inputs. However, SMC protocols usually have very high computational complexities, rendering them practically unusable. In this paper, we tackle the problem of comparing two input values in a secure distributed fashion. We propose efficient secure comparison protocols for both the homomorphic encryption and secret sharing schemes. We also give experimental results to show their practical relevance.