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.. hazmat::
CommonCrypto backend
====================
The `CommonCrypto`_ C library provided by Apple on OS X and iOS. The
CommonCrypto backend is only supported on OS X versions 10.8 and above.
.. currentmodule:: cryptography.hazmat.backends.commoncrypto.backend
.. versionadded:: 0.2
.. data:: cryptography.hazmat.backends.commoncrypto.backend
This is the exposed API for the CommonCrypto backend.
It implements the following interfaces:
* :class:`~cryptography.hazmat.backends.interfaces.CipherBackend`
* :class:`~cryptography.hazmat.backends.interfaces.HashBackend`
* :class:`~cryptography.hazmat.backends.interfaces.HMACBackend`
* :class:`~cryptography.hazmat.backends.interfaces.PBKDF2HMACBackend`
It has one additional public attribute.
.. attribute:: name
The string name of this backend: ``"commoncrypto"``
.. _`CommonCrypto`: https://developer.apple.com/library/content/documentation/Security/Conceptual/cryptoservices/GeneralPurposeCrypto/GeneralPurposeCrypto.html#//apple_ref/doc/uid/TP40011172-CH9-SW10
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