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7382a0c142
* Make LessThan private * Make NodeObject::isSame private * Remove hotTRANSACTION * Remove some Serializer members * Remove unused SHAMapItem::getRaw * Remove unused STLedgerEntry::getOwners * Remove Serializer constructors * Remove unused Serializer members * Remove SerialIter ctor
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2014, Howard Hinnant <howard.hinnant@gmail.com>,
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Vinnie Falco <vinnie.falco@gmail.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_HASH_SIPHASH_H_INCLUDED
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#define BEAST_HASH_SIPHASH_H_INCLUDED
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#include <beast/utility/noexcept.h>
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#include <cstddef>
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#include <cstdint>
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namespace beast {
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// See https://131002.net/siphash/
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class siphash
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{
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private:
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std::uint64_t v0_ = 0x736f6d6570736575ULL;
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std::uint64_t v1_ = 0x646f72616e646f6dULL;
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std::uint64_t v2_ = 0x6c7967656e657261ULL;
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std::uint64_t v3_ = 0x7465646279746573ULL;
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unsigned char buf_[8];
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unsigned bufsize_ = 0;
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unsigned total_length_ = 0;
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public:
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using result_type = std::size_t;
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static beast::endian const endian = beast::endian::native;
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siphash() = default;
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explicit
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siphash (std::uint64_t k0, std::uint64_t k1 = 0) noexcept;
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void
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operator() (void const* key, std::size_t len) noexcept;
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explicit
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operator std::size_t() noexcept;
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};
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} // beast
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#endif
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