Software

Robusta: Taming the Native Beast of the JVM

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Executive Summary

Java applications often need to incorporate native-code components for efficiency and for reusing legacy code. However, it is well known that the use of native code defeats Java's security model. The authors describe the design and implementation of Robusta, a complete framework that provides safety and security to native code in Java applications. Starting from Software-based Fault Isolation (SFI), Robusta isolates native code into a sandbox where dynamic linking/loading of libraries is supported and unsafe system modification and confidentiality violations are prevented. It also mediates native system calls according to a security policy by connecting to Java's security manager.

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