Bitcoin Core  24.99.0
P2P Digital Currency
bytevectorhash.cpp
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1 // Copyright (c) 2018 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #include <crypto/siphash.h>
6 #include <random.h>
7 #include <util/bytevectorhash.h>
8 
9 #include <vector>
10 
12  m_k0(GetRand<uint64_t>()),
13  m_k1(GetRand<uint64_t>())
14 {
15 }
16 
17 size_t ByteVectorHash::operator()(const std::vector<unsigned char>& input) const
18 {
19  return CSipHasher(m_k0, m_k1).Write(input.data(), input.size()).Finalize();
20 }
size_t operator()(const std::vector< unsigned char > &input) const
SipHash-2-4.
Definition: siphash.h:14
uint64_t Finalize() const
Compute the 64-bit SipHash-2-4 of the data written so far.
Definition: siphash.cpp:76
CSipHasher & Write(uint64_t data)
Hash a 64-bit integer worth of data It is treated as if this was the little-endian interpretation of ...
Definition: siphash.cpp:28
T GetRand(T nMax=std::numeric_limits< T >::max()) noexcept
Generate a uniform random integer of type T in the range [0..nMax) nMax defaults to std::numeric_limi...
Definition: random.h:79