72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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* Copyright 2018-2019 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "MD5.hxx"
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#include "util/HexFormat.hxx"
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#include "config.h"
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#ifdef HAVE_LIBAVUTIL
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extern "C" {
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#include <libavutil/md5.h>
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}
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#else
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#include "lib/gcrypt/MD5.hxx"
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#include "lib/gcrypt/Init.hxx"
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#endif
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void
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GlobalInitMD5() noexcept
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{
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#ifdef HAVE_LIBAVUTIL
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/* no initialization necessary */
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#else
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Gcrypt::Init();
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#endif
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}
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std::array<std::byte, 16>
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MD5(std::span<const std::byte> input) noexcept
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{
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#ifdef HAVE_LIBAVUTIL
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std::array<std::byte, 16> result;
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av_md5_sum((uint8_t *)result.data(),
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(const uint8_t *)input.data(), input.size());
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return result;
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#else
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return Gcrypt::MD5(input);
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#endif
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}
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std::array<char, 32>
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MD5Hex(std::span<const std::byte> input) noexcept
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{
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const auto raw = MD5(input);
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return HexFormat<raw.size()>(raw);
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}
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