[talks] Colloquium Speaker: Raluca Popa Tues Feb 18, 4:30pm
Nicole E. Wagenblast
nwagenbl at CS.Princeton.EDU
Mon Feb 17 09:51:32 EST 2014
Building systems that compute on encrypted data
Raluca Popa , Massachusetts Institute of Technology
Tuesday, February 18, 4:30pm
Computer Science 105
Theft of confidential data is prevalent. In most applications, confidential data is stored at servers. Thus, existing systems naturally try to prevent adversaries from compromising these servers. However, experience has shown that adversaries still find a way to break in and steal the data.
In this talk, I will describe a new approach to protecting data confidentiality even when attackers get access to all server data: building practical systems that compute on encrypted data without access to the decryption key. In this setting, I designed and built a database system (CryptDB), a web application platform (Mylar), and two mobile systems, as well as developed new cryptographic schemes for them. I showed that these systems support a wide range of applications with low overhead. The talk will focus primarily on CryptDB and Mylar.
My work has already had impact: Google uses CryptDB’s design for their new Encrypted BigQuery service, and a medical application of Boston’s Newton-Wellesley hospital is secured with Mylar. Looking forward, this approach promises to solve privacy problems in other systems, such as big data or genomics systems.
Raluca Ada Popa is a PhD candidate at MIT working in security, systems, and applied cryptography. As part of her PhD work, she built practical systems that compute over encrypted data as well as designed new encryption schemes that underlie these systems. Raluca is the recipient of a Google PhD Fellowship for secure cloud computing, Johnson award for best CS Masters of Engineering thesis from MIT, and CRA Outstanding undergraduate award from the ACM. Raluca received her undergraduate degree from MIT with two BS degrees, in computer science and in mathematics.
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