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File://proc/thread-self/root/usr/share/doc/python3-cryptography/README.rst

pyca/cryptography
=================

.. image:: https://img.shields.io/pypi/v/cryptography.svg
    :target: https://pypi.org/project/cryptography/
    :alt: Latest Version

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``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 3.6+ and PyPy3 7.2+.

``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 ``#pyca`` on ``irc.libera.chat`` to ask questions or get
involved.

Security
~~~~~~~~

Need to report a security issue? Please consult our `security reporting`_
documentation.


.. _`documentation`: https://cryptography.io/
.. _`the installation documentation`: https://cryptography.io/en/latest/installation.html
.. _`issue tracker`: https://github.com/pyca/cryptography/issues
.. _`cryptography-dev`: https://mail.python.org/mailman/listinfo/cryptography-dev
.. _`security reporting`: https://cryptography.io/en/latest/security.html

Your Access Expired	Date. in : 19-09-2025
Regist : 09-12-2024	Expired : 01-12-2027