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Welcome to ``cryptography``
===========================
``cryptography`` is a Python library which exposes cryptographic recipes and
primitives. We hope it'll be your one-stop-shop for all your cryptographic
needs in Python.
Installing
----------
We don't yet have a release on PyPI, for now you can install ``cryptography``
directly from Github:
.. code-block:: console
$ pip install git+https://github.com/pyca/cryptography
Why a new crypto library for Python?
------------------------------------
If you've done cryptographic work in Python before, you've probably seen some
other libraries in Python, such as *M2Crypto*, *PyCrypto*, or *PyOpenSSL*. In
building ``cryptography`` we wanted to address a few issues we observed in the
existing libraries:
* Lack of PyPy and Python 3 support.
* Lack of maintenance.
* Use of poor implementations of algorithms (i.e. ones with known side-channel
attacks).
* Lack of high level, "Cryptography for humans", APIs.
* Absence of algorithms such as AES-GCM.
* Poor introspectability, and thus poor testability.
* Extremely error prone APIs, and bad defaults.
Contents
--------
.. toctree::
:maxdepth: 2
architecture
exceptions
glossary
contributing
security
community
Hazardous Materials
-------------------
.. toctree::
:maxdepth: 2
hazmat/primitives/index
hazmat/bindings/index
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