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Overview

This repository contains the updated implementation of the Chorus system (version 0.1.3) for differential privacy, to accompany the following paper:

This is an updated release of Chorus (version 0.1.3). The original release of Chorus is available here; see the original repository and the paper for more documentation.

Building & Running

This framework is written in Scala and built using Maven. The code has been tested on Mac OS X and Linux. To build the code:

$ mvn package

Running Examples

The file examples/MechanismExamples.scala contains several examples from the paper. To run the examples, after building Chorus:

mvn exec:java -Dexec.mainClass="examples.MechanismExamples"

Potential Security Issues

This repo contains a proof-of-concept implementation resulting from a research project; we did not attempt to mitigate issues resulting from floating-point arithmetic or side channels. In particular, the following known attacks might be possible, depending on the deployment scenario and DBMS you use:

Please don't use this code in production without considering these issues first.

License

This project is released under the MIT License.

Contact Information

This code is maintained by Joe Near.

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