[Busec] Fwd: [Theory-seminars] Tuesday's TOC Colloquium on Concurrent Security

Sharon Goldberg goldbe at cs.bu.edu
Thu Dec 8 16:48:01 EST 2011

---------- Forwarded message ----------
From: Be Blackburn <be at csail.mit.edu>
Date: Thu, Dec 8, 2011 at 4:39 PM
Subject: [Theory-seminars] Tuesday's TOC Colloquium on Concurrent Security
To: theory-seminars at csail.mit.edu

        Open to the Public

DATE:          Tuesday, Dec. 13, 2011
TITLE:         Concurrent Security
SPEAKER:  Huijia (Rachel) Lin, EECS, MIT
SNACKS:    3:45 pm in the RSA G5 Lounge
TALK:          4:15 pm in 32-124 on the 1st floor of Stata


Cryptographic protocols have been developed for a variety of tasks,
including electronic auctions, electronic voting systems, privacy
preserving data mining and more. The Internet allows for the
concurrent execution of cryptographic protocols. Such concurrency
severely challenges their security.

In this talk we introduce a novel technique for transforming any
"stand-alone" secure protocol (i.e., one whose security is only
guaranteed if executed in isolation) into one that is secure under
concurrent executions. Contrary to previous results in the literature,
this result is established without relying on additional trusted
infrastructure or cryptographic hardness assumptions.

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Sharon Goldberg
Computer Science, Boston University

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