Pycryptodome

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Resolved issues
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* GH308: Align stack of functions using SSE2 intrinsics to avoid crashes,
when compiled with gcc on 32-bit x86 platforms.

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New features
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* Add Python 3.8 wheels for Mac.

Resolved issues
---------------
* GH308: Avoid allocating arrays of ``__m128i`` on the stack, to cope with buggy compilers.
* GH322: Remove blanket ``-O3`` optimization for gcc and clang, to cope with buggy compilers.
* GH337: Fix typing stubs for signatures.
* GH338: Deal with gcc installations that don't have ``x86intrin.h``.

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New features
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* Add Python 3.8 wheels for Linux and Windows.

Resolved issues
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* GH328: minor speed-up when importing RSA.

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New features
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* Add support for loading PEM files encrypted with AES256-CBC.
* Add support for XChaCha20 and XChaCha20-Poly1305 ciphers.
* Add support for bcrypt key derivation function (``Crypto.Protocol.KDF.bcrypt``).
* Add support for left multiplication of an EC point by a scalar.
* Add support for importing ECC and RSA keys in the new OpenSSH format.

Resolved issues
---------------

* GH312: it was not possible to invert an EC point anymore.
* GH316: fix printing of DSA keys.
* GH317: ``DSA.generate()`` was not always using the ``randfunc`` input.
* GH285: the MD2 hash had block size of 64 bytes instead of 16; as result the HMAC construction gave incorrect results.

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Resolved issues
---------------

* GH291: fix strict aliasing problem, emerged with GCC 9.1.

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New features
------------

* Add support for loading PEM files encrypted with AES192-CBC and AES256-GCM.
* When importing ECC keys in PEM format, ignore the redundant EC PARAMS section that was included by certain openssl commands.

Resolved issues
---------------

* ``repr()`` did not work for ``ECC.EccKey`` objects.
* Fix installation in development mode (``setup install develop`` or ``pip install -e .``).
* Minimal length for Blowfish cipher is 32 bits, not 40 bits.
* Various updates to docs.