Security of software systems has to be preserved while they grow and change incrementally. The problem is to make the analysis of their security properties adhere to such a development. In particular we concentrate here on static type systems. Given a non-incremental type system, the algorithm we propose permits using it incrementally, so avoiding to develop new incremental versions of it. As a proof-of-concept we show how our technique permits an incremental checking of non-interference with robust declassification, starting from the classical type system by Myers, Sabelfeld and Zdancewic.
Robust Declassification by Incremental Typing
Busi M.;Degano P.;
2019-01-01
Abstract
Security of software systems has to be preserved while they grow and change incrementally. The problem is to make the analysis of their security properties adhere to such a development. In particular we concentrate here on static type systems. Given a non-incremental type system, the algorithm we propose permits using it incrementally, so avoiding to develop new incremental versions of it. As a proof-of-concept we show how our technique permits an incremental checking of non-interference with robust declassification, starting from the classical type system by Myers, Sabelfeld and Zdancewic.File in questo prodotto:
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