Information flow analysis for a typed assembly language with polymorphic stacks

Eduardo Bonelli, Adriana Compagnoni, Ricardo Medel

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

We study secure information flow in a stack based Typed Assembly Language (TAL). We define a TAL with an execution stack and establish the soundness of its type system by proving non-interference. One of the problems of studying information flow for a low-level language is the absence of high-level control flow constructs that guide information flow analysis in high-level languages. Furthermore, in the presence of an execution stack, code that frees space on the stack must be constrained in order to avoid illegal flows. Finally, in the presence of stack polymorphism, we must ensure that type variables are instantiated without observable differences. These issues are addressed by introducing junction points into the type system, ensuring that they behave as ordered linear continuations, and that they interact safely with the execution stack. We also discuss several limitations of our approach and point out some remaining open issues.

Original languageEnglish
Title of host publicationConstruction and Analysis of Safe, Secure, and Interoperable Smart Devices - Second International Workshop, CASSIS 2005, Revised Selected Papers
Pages37-56
Number of pages20
DOIs
StatePublished - 2006
Event2nd International Workshop on Construction and Analysis of Safe, Secure, and Interoperable Smart Devices, CASSIS 2005 - Nice, France
Duration: 8 Mar 200511 Mar 2005

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3956 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference2nd International Workshop on Construction and Analysis of Safe, Secure, and Interoperable Smart Devices, CASSIS 2005
Country/TerritoryFrance
CityNice
Period8/03/0511/03/05

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