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SHORT VERSION ============= Type 'ant'. Watch things happen. GENERAL INFORMATION =================== This project contains the non-interference check for the client server encryption example in the paper "A Framework for the Cryptographic Verification of Java-like Programs" at CSF 2012 (http://pp.info.uni-karlsruhe.de/publication.php?id=KueTruGra12csf). It uses a simple interface (edu.kit.ifc.IFC) to run information flow checks with our Joana (http://pp.info.uni-karlsruhe.de/project.php?id=30) and IFC4MC (http://pp.info.uni-karlsruhe.de/projects/rs3/rs3.php) tool on Java 1.4 Bytecode programs. It is possible to check programs for confidentiality or integrity. Please keep in mind that these tools are research prototypes and may contain errors. Feel free to inform us of any bugs you encountered at https://pp.info.uni-karlsruhe.de/joana-bugs. You may also want to check out our other information flow related software at http://pp.info.uni-karlsruhe.de/~grafj/ifc/. There is a viewer for our intermediate program representation, namely system dependence graphs. The viewer is called GraphViewer and it can be used to take a look at the '.pdg' files that are created during the analysis. This code and most of the additional libraries have been developed as part of the research projects "VALSOFT/Joana" (founded by the German DFG) as well as "Information Flow Control for Mobile Components Based on Precise Analysis for Parallel Programs - IFC4MC" (founded by the German DFG as part of the Priority Program 1496 "Reliably Secure Software Systems – RS3"). The code of the verified example has been developed at the University of Trier (http://infsec.uni-trier.de) within the project "Implementation-Level Analysis of E-Voting Systems" which is also part of the aforementioned RS3 program. You may find more information about this software at the homepage of the Programming Paradigms Group - IPD Snelting at the Karlsruhe Institute of Technology (http://pp.info.uni-karlsruhe.de/). Feel free to contact us for further information about licensing, usage and research related issues. INSTALLATION ============ You need Java >1.5 and Ant >1.8 to run and compile this example. You may also need an internet connection as files are going to be downloaded by the ant script. Make sure that 'java', 'javac' and 'ant' can be executed from your shell. RUNNING ======= Simply run 'ant' or 'ant ifc' to perform the information flow analysis of the example code. If you change the client server example code or the analysis frontend code, it should be compiled automatically. So you can edit the .java files and run 'ant ifc' again to see if and how the analysis result changed. Run 'ant view-sdg' to view the system dependence graph of the example in the GraphViewer application. Run 'ant -p' to view your other options. DIRECTORIES =========== src/ Source files of the information flow analysis frontend. bin/ Compiled .class files of the frontend. lib/ Library files (will be downloaded by the ant script). example/src Source files of the client server example. The main method is at de/uni/trier/infsec/protocol/Setup.java. example/bin Compiled .class files of the client server example. EXAMPLE RUN =========== oscar-2 : ~/crypto-client-ifc 509> ant Buildfile: /Users/jgf/crypto-client-ifc/build.xml check-for-libs: [echo] Checking if /Users/jgf/crypto-client-ifc/lib/jSDG-simple.jar exists. [echo] Checking if /Users/jgf/crypto-client-ifc/lib/jSDG-stubs-jre1.4.jar exists. fetch-lib-ifc: fetch-lib-stubs: fetch-libs: build: build-example: ifc: [java] Analyzing class files from '/Users/jgf/crypto-client-ifc/./example/bin' [java] Setting up analysis scope... (from file ./lib/jSDG-stubs-jre1.4.jar) done. [java] Creating class hierarchy... (472 classes) done. [java] Setting up entrypoint de/uni/trier/infsec/protocol/Setup.main([Ljava/lang/String;)V... done. [java] Building system dependence graph... [java] callgraph: 318 nodes and 342 edges [java] intraproc: ....25%....50%....75%....100%. [java] interproc: calls.clinit.statics.heap(if,df).misc.convert.summary.. [java] done. [java] Time needed: 9744ms - Memory: 70M used. [java] Saving SDG to de.uni.trier.infsec.protocol.Setup-main.ifc.pdg... done. [java] Checking de.uni.trier.infsec.protocol.Setup-main.ifc.pdg [java] Annotating SDG nodes... (22 nodes) done. [java] Checking information flow... (0 violations) done. [java] OK: Information flow considered safe. The program is non-interferent. BUILD SUCCESSFUL Total time: 12 seconds oscar-2 : ~/crypto-client-ifc 510> CONTACT ======= Juergen Graf <firstname.lastname@example.org>
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