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Events for April 01, 2019

  • CS Colloquium: Ian Miers (Cornell Tech) - Cryptography in context: Bitcoin, breaches, and security in the real world

    Mon, Apr 01, 2019 @ 11:00 AM - 12:00 PM

    Computer Science

    Conferences, Lectures, & Seminars


    Speaker: Ian Miers, Cornell Tech

    Talk Title: Cryptography in context: Bitcoin, breaches, and security in the real world

    Series: CS Colloquium

    Abstract: This talk will cover the design, implementation, and deployment of new cryptography to solve security issues that arise in real-world applications. Providing security for practically-deployed systems requires a new approach to cryptography, one that begins with the context in which cryptographic protocols will be used and reasons backwards in order to obtain the necessary security properties. This talk will cover two examples of this approach. First, I will take a detailed look at confidentiality for payments and how to solve the privacy failures of blockchain protocols such as Bitcoin. I will detail the design, implementation, and commercial deployment of Zcash, the first system to offer confidentiality while preserving public verifiability for cryptocurrencies. Next, I will explore cryptography in the context of securing data against breaches, considering the reality that attackers will gain access to cryptographic key material --- thus rendering traditional encryption ineffective. I will show how to use new applications of puncturable encryption to address these vulnerabilities for messaging and device encryption.

    This lecture satisfies requirements for CSCI 591: Research Colloquium



    Biography: Ian Miers is a postdoctoral researcher at Cornell Tech working on computer security and applied cryptography. His research focuses on making systems secure by exploring cryptography in the context of real world problems. This includes Zerocoin and Zerocash, the first systems to provide strongly confidential payments on top of public blockchains and work improving secure messaging including attacks on Apple's iMessage protocol and new techniques for puncturable forward secure encryption. His work has been featured in The Washington Post, The New York Times, The Economist, and denounced in at least two editorials. He is one of the founders of Zcash, a privacy preserving cryptocurrency based on Zerocash.

    Host: Muhammad Naveed

    Location: Ronald Tutor Hall of Engineering (RTH) - 115

    Audiences: Everyone Is Invited

    Posted By: Assistant to CS chair

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