hasher.cpp

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// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#include <random.h>
#include <util/hasher.h>
 
#include <limits>
 
SaltedUint256Hasher::SaltedUint256Hasher()
    : k0(GetRand(std::numeric_limits<uint64_t>::max())),
      k1(GetRand(std::numeric_limits<uint64_t>::max())) {}
 
SaltedOutpointHasher::SaltedOutpointHasher()
    : k0(GetRand(std::numeric_limits<uint64_t>::max())),
      k1(GetRand(std::numeric_limits<uint64_t>::max())) {}
 
SaltedSipHasher::SaltedSipHasher()
    : m_k0(GetRand(std::numeric_limits<uint64_t>::max())),
      m_k1(GetRand(std::numeric_limits<uint64_t>::max())) {}
 
size_t SaltedSipHasher::operator()(const Span<const uint8_t> &script) const {
    return CSipHasher(m_k0, m_k1)
        .Write(script.data(), script.size())
        .Finalize();
}