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Communications of the ACM

Practice

Research for Practice: Web Security and Mobile Web Computing


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Our third installment of Research for Practice brings readings spanning programming languages, compilers, privacy, and the mobile Web.

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About RfP

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First, Jean Yang provides an overview of how to use information flow techniques to build programs that are secure by construction. As Yang writes, information flow is a conceptually simple "clean idea": the flow of sensitive information across program variables and control statements can be tracked to determine whether information may in fact leak. Making information flow practical is a major challenge, however. Instead of relying on programmers to track information flow, how can compilers and language runtimes be made to do the heavy lifting? How can application writers easily express their privacy policies and understand the implications of a given policy for the set of values that an application user may see? Yang's set of papers directly addresses these questions via a clever mix of techniques from compilers, systems, and language design. This focus on theory made practical is an excellent topic for RfP.


 

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