NordSec 2017 Keynote:

Homomorphic Authentication for Computing Securely on Untrusted Machines

Dr. Dario Fiore, IMDEA Software Institute

Abstract: Due to phenomena like the ubiquity of the Internet and cloud computing, it is increasingly common to store and process data on third-party machines. In spite of its attractive aspects, this trend raises a number of security concerns, including: how to ensure that the results computed by third parties are correct (integrity) and no unauthorized information is leaked (privacy)? This talk will focus on cryptographic solutions for integrity: it will present the notion of homomorphic authenticators, give an overview of the state of the art in this area, and cover some of the recent efficient constructions.

Dario Fiore is an assistant research professor at the IMDEA Software Institute in Madrid. He received his Ph.D. degree in Computer Science from the University of Catania, Italy in 2010. Prior to joining the IMDEA Software Institute in November 2013, Dario held postdoctoral positions at Max Planck Institute for Software Systems (Germany), New York University (USA), and Ecole Normale Superieure (France). Dario’s research interests are on theoretical and practical aspects of cryptography, and its applications to real-world systems. His recent work especially focuses on designing cryptographic primitives and protocols for privacy and integrity of computation performed on untrusted machines, including verifiable computation, homomorphic authenticators, zero-knowledge proof systems, homomorphic encryption, and functional encryption.