//
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// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/beast
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//
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#ifndef BOOST_BEAST_WEBSOCKET_DETAIL_HYBI13_IPP
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#define BOOST_BEAST_WEBSOCKET_DETAIL_HYBI13_IPP
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#include <boost/beast/websocket/detail/hybi13.hpp>
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#include <boost/beast/core/detail/sha1.hpp>
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#include <boost/beast/websocket/detail/prng.hpp>
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#include <boost/assert.hpp>
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#include <cstdint>
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#include <string>
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namespace boost {
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namespace beast {
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namespace websocket {
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namespace detail {
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void
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make_sec_ws_key(sec_ws_key_type& key)
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{
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auto g = make_prng(true);
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std::uint32_t a[4];
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for (auto& v : a)
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v = g();
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key.resize(key.max_size());
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key.resize(beast::detail::base64::encode(
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key.data(), &a[0], sizeof(a)));
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}
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void
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make_sec_ws_accept(
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sec_ws_accept_type& accept,
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string_view key)
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{
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BOOST_ASSERT(key.size() <= sec_ws_key_type::max_size_n);
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using namespace beast::detail::string_literals;
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auto const guid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"_sv;
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beast::detail::sha1_context ctx;
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beast::detail::init(ctx);
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beast::detail::update(ctx, key.data(), key.size());
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beast::detail::update(ctx, guid.data(), guid.size());
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char digest[beast::detail::sha1_context::digest_size];
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beast::detail::finish(ctx, &digest[0]);
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accept.resize(accept.max_size());
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accept.resize(beast::detail::base64::encode(
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accept.data(), &digest[0], sizeof(digest)));
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}
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} // detail
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} // websocket
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} // beast
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} // boost
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#endif // BOOST_BEAST_WEBSOCKET_DETAIL_HYBI13_IPP
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