InfoSec Seminar: Mix-ORAM:Towards Delegated Shuffles

Speaker: Raphael Toledo

Date/Time: 05-Oct-2017, 16:00 UTC

Venue: Roberts G08 - Sir D. Davies LT



Oblivious RAM (ORAM) is a key technology for providing private storage and querying on untrusted machines but is commonly seen as impractical due to the high overhead of the re-randomization, called the eviction, the client incurs. We propose in this work to securely delegate the eviction to semi-trusted third parties to enable any client to accede the ORAM technology and present four different designs inspired by mixnet technologies with reasonable periodic costs.



Raphael Toledo is a second year Ph.D. student of computer science at University College London, working on Information Privacy. He is under the supervision of Dr George Danezis and Doctor Emiliano De Cristofaro. His research interests include data privacy, information retrieval and private information disclosure.

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