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Conference Papers Year : 2011

A type system for complexity flow analysis


We propose a type system for an imperative programming language, which certifies program time bounds. This type system is based on secure flow information analysis. Each program variable has a level and we prevent information from flowing from low level to higher level variables. We also introduce a downgrading mechanism in order to delineate a broader class of programs. Thus, we propose a relation between security-typed language and implicit computational complexity. We establish a characterization of the class of polynomial time functions.
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Dates and versions

hal-00591853 , version 1 (10-05-2011)


  • HAL Id : hal-00591853 , version 1


Jean-Yves Marion. A type system for complexity flow analysis. Twenty-Sixth Annual IEEE Symposium on Logic in Computer Science - LICS 2011, Jun 2011, Toronto, Canada. ⟨hal-00591853⟩
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