Protection and Retrieval of Encrypted Multimedia Content: When Cryptography Meets Signal Processing

1 Electrical Engineering, Mathematics, and Computer Science Faculty, Delft University of Technology, 2628 CD, Delft, The Netherlands 2Department of Electronics and Telecommunication, University of Florence, 50139 Florence, Italy 3 Information and System Security Group, Philips Research Europe, 5656 AE, Eindhoven, The Netherlands 4Department of Electrical Engineering and Information Sciences, Ruhr-University Bochum, 44780 Bochum, Germany 5Department of Electrical Engineering, Katholieke Universiteit Leuven, 3001 Leuven, Belgium 6Department of Information Engineering, University of Siena, 53100 Siena, Italy