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https://github.com/data61/python-paillier

A library for Partially Homomorphic Encryption in Python
https://github.com/data61/python-paillier

cryptography homomorphic-encryption paillier python

Last synced: 2 months ago
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A library for Partially Homomorphic Encryption in Python

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README

        

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A Python 3 library implementing the Paillier Partially Homomorphic Encryption.

The homomorphic properties of the paillier crypto system are:

- Encrypted numbers can be multiplied by a non encrypted scalar.
- Encrypted numbers can be added together.
- Encrypted numbers can be added to non encrypted scalars.

Citing
======

`python-paillier` is designed, developed and supported by `CSIRO's Data61 `__. If
you use any part of this library in your research, please cite it using the following BibTex entry::

@misc{PythonPaillier,
author = {CSIRO's Data61},
title = {Python Paillier Library},
year = {2013},
publisher = {GitHub},
journal = {GitHub Repository},
howpublished = {\url{https://github.com/data61/python-paillier}},
}

Running unit tests
------------------

::

python setup.py test

Or use nose::

nosetests

Note related to gmpy2
---------------------

`gmpy2` is not required to use the library, but is preferred. A pure Python implementation is available but
`gmpy2` drastically improves performances. As indication on a laptop not dedicated to benchmarking, running the example
`examples/federated_learning_with_encryption.py` provided in the library took:
- 4.5s with `gmpy2` installed
- 35.7s without `gmpy2` installed

However, `gmpy2` is a requirement to run the tests.

Code History
------------

Developed at `Data61 | CSIRO `_.

Parts derived from the Apache licensed Google project:
https://code.google.com/p/encrypted-bigquery-client/

.. |release| image:: https://img.shields.io/pypi/v/phe.svg
:target: https://pypi.python.org/pypi/phe/
:alt: Latest released version on PyPi

.. |ciTest| image:: https://github.com/data61/python-paillier/actions/workflows/test.yml/badge.svg
:target: https://github.com/data61/python-paillier/actions/workflows/test.yml
:alt: CI Status

.. |reqM| image:: https://requires.io/github/data61/python-paillier/requirements.svg?branch=master
:target: https://requires.io/github/data61/python-paillier/requirements/?branch=master
:alt: Requirements Status of master

.. |rtdM| image:: https://readthedocs.org/projects/python-paillier/badge/?version=stable
:target: http://python-paillier.readthedocs.org/en/latest/?badge=stable
:alt: Documentation Status