37 lines
1.6 KiB
ReStructuredText
37 lines
1.6 KiB
ReStructuredText
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Fast Crypto
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===========
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Pyrogram's speed can be *dramatically* boosted up by installing TgCrypto_, a high-performance, easy-to-install crypto
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library specifically written in C for Pyrogram [#f1]_. TgCrypto is a replacement for the painfully slow PyAES and
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implements the crypto algorithms MTProto requires, namely AES-IGE and AES-CTR 256 bit.
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Installation
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------------
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.. code-block:: bash
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$ pip install --upgrade tgcrypto
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.. note:: Being a C extension for Python, TgCrypto is an optional but *highly recommended* dependency; when TgCrypto
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is not detected on your system, Pyrogram will automatically fall back to PyAES and will show you a warning.
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The reason about being an optional package is that TgCrypto requires some extra system tools in order to be compiled.
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Usually the errors you receive when trying to install TgCrypto are enough to understand what you should do next.
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- **Windows**: Install `Visual C++ 2015 Build Tools <http://landinghub.visualstudio.com/visual-cpp-build-tools>`_.
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- **macOS**: A pop-up will automatically ask you to install the command line developer tools as soon as you issue the
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installation command.
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- **Linux**: Depending on your distro, install a proper C compiler (``gcc``, ``clang``) and the Python header files
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(``python3-dev``).
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- **Termux (Android)**: Install ``clang`` and ``python-dev`` packages.
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More help on the `Pyrogram group chat <https://t.me/PyrogramChat>`_.
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.. _TgCrypto: https://github.com/pyrogram/tgcrypto
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.. [#f1] Although TgCrypto is intended for Pyrogram, it is shipped as a standalone package and can thus be used for
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other projects too.
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