Bitcoin Core  0.19.99
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 
10 {
11  GetRandBytes(reinterpret_cast<unsigned char*>(&m_k0), sizeof(m_k0));
12  GetRandBytes(reinterpret_cast<unsigned char*>(&m_k1), sizeof(m_k1));
13 }
14 
15 size_t ByteVectorHash::operator()(const std::vector<unsigned char>& input) const
16 {
17  return CSipHasher(m_k0, m_k1).Write(input.data(), input.size()).Finalize();
18 }
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
void GetRandBytes(unsigned char *buf, int num) noexcept
Overall design of the RNG and entropy sources.
Definition: random.cpp:653
size_t operator()(const std::vector< unsigned char > &input) const
SipHash-2-4.
Definition: siphash.h:13