echistyakov / cs174

CS174 Final Project

CS 174 Final Project

Eric Swenson, Evgeny Chistyakov

System Setup

1. Install requred packages:
   • sudo apt-get install mysql-server (MySQL server)
   • sudo apt-get install libmysqlclient-dev (MySQL header files)
   • sudo apt-get install m4 (gmp library dependens on it)
   • sudo apt-get install make (needed for compilation)
   • sudo apt-get install gcc (needed for compilation)
2. Download/clone this repo
3. Extract the libraries (paillier/libs)
   • tar xvfz libpaillier-0.8.tar.gz
   • tar xvfj gmp-6.1.0.tar.bz2
4. Install the gmp library (depends on m4)
   • Navigate to extracted library folder
   • ./configure
   • make
   • sudo make install
5. Install the paillier library (depends on gmp)
   • Navigate to extracted library folder
   • ./configure
   • make
   • Open generated Makefile in text editor and add -fPIC flag to the list of CFLAGS
   • sudo make install

MySQL Setup

1. Compile the C code
   • Navigate to paillier/src
   • make
   • Output binaries are: encrypt, decrypt, key_factory, sum_he.so
2. Copy sum_he.so to MySQL plugins folder:
   • sudo cp sum_he.so /usr/lib/mysql/plugin
3. Register SUM_HE with MySQL:
   • CREATE AGGREGATE FUNCTION sum_he RETURNS STRING SONAME 'sum_he.so';
   • To deregister: DROP FUNCTION sum_he;

Client Setup

1. Install required packages:
   • sudo apt-get install python-pip
   • sudo apt-get install python-dev
   • sudo pip install mysql-connector-python --allow-external mysql-connector-python
   • sudo pip install tabulate
2. Copy encrypt and decrypt binaries into the /client folder:
   • cp encrypt ../../client
   • cp decrypt ../../client
3. Update the config dictionary in client.py (user, password, host, etc.)
4. Launch the client:
   • python client.py cc0b753172e2f753226965e9bb85d4f3 6605ba98b9717ba8ac482a7be12840a8 (public key is hardcoded into sum_he.so)