privacy_engineering_cw1

Privacy Engineering coursework 1

This is a demonstration of the BGW Secret Sharing protocol running on a single machine for multiple parties in separate processes.

Installation

The following package is required for communication:

pip install pyzmq

Usage

Run the following command from a Mac or Linux terminal:

make sort

Selecting a circuit

Modify circuit.py and change the CIRCUIT variable at the top of the file. Options are:

• 1: 6 party multiplication and addition circuit.
• 2: N party calculation of factorial (or product of each party's secret).
• 3: 5 party addition circuit used for testing.
• 4: 3 party multiplication circuit used for testing.
• 5: 3 party multiplication and addition circuit used for testing.
• 6: N party summation circuit
• 7: N party calculation of exponential (or product of each party's secret)
• 8: N party calculation of mean squared error loss function