Abstract

Operating systems try to provide secure platforms using appropriate security mechanisms like DAC and MAC. In spite of this, information confidentiality is not totally provided when information flows in the program memory space. Programming language level security techniques have thus been introduced to provide secure information flow inside programs. Existing works on programming language level are problematic though because their information flow policies have not been integrated into the underlying system security policies. In this paper we propose a dynamic solution for tracking and enforcing information flow policies inside the Java framework that is integrated with a trusted operating system namely SELinux. Our solution focuses on internal structure of JVM, implicating no modification to Java programming language. Experimental results have shown a bearable runtime overhead on running programs.

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