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Cryptography ============ .. image:: https://img.shields.io/pypi/v/cryptography.svg :target: https://pypi.python.org/pypi/cryptography/ :alt: Latest Version .. image:: https://readthedocs.org/projects/cryptography/badge/?version=latest :target: https://cryptography.io :alt: Latest Docs .. image:: https://travis-ci.org/pyca/cryptography.svg?branch=master :target: https://travis-ci.org/pyca/cryptography .. image:: https://codecov.io/github/pyca/cryptography/coverage.svg?branch=master :target: https://codecov.io/github/pyca/cryptography?branch=master ``cryptography`` is a package which provides cryptographic recipes and primitives to Python developers. Our goal is for it to be your "cryptographic standard library". It supports Python 2.6-2.7, Python 3.3+, and PyPy 2.6+. ``cryptography`` includes both high level recipes, and low level interfaces to common cryptographic algorithms such as symmetric ciphers, message digests and key derivation functions. For example, to encrypt something with ``cryptography``'s high level symmetric encryption recipe: .. code-block:: pycon >>> from cryptography.fernet import Fernet >>> # Put this somewhere safe! >>> key = Fernet.generate_key() >>> f = Fernet(key) >>> token = f.encrypt(b"A really secret message. Not for prying eyes.") >>> token '...' >>> f.decrypt(token) 'A really secret message. Not for prying eyes.' You can find more information in the `documentation`_. You can install ``cryptography`` with: .. code-block:: console $ pip install cryptography For full details see `the installation documentation`_. Discussion ~~~~~~~~~~ If you run into bugs, you can file them in our `issue tracker`_. We maintain a `cryptography-dev`_ mailing list for development discussion. You can also join ``#cryptography-dev`` on Freenode to ask questions or get involved. .. _`documentation`: https://cryptography.io/ .. _`the installation documentation`: https://cryptography.io/en/latest/installation/ .. _`issue tracker`: https://github.com/pyca/cryptography/issues .. _`cryptography-dev`: https://mail.python.org/mailman/listinfo/cryptography-dev