/bitcoin/src/util/hasher.cpp
Line | Count | Source |
1 | | // Copyright (c) 2019-present 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 <span.h> |
8 | | #include <util/hasher.h> |
9 | | |
10 | | SaltedTxidHasher::SaltedTxidHasher() : |
11 | 2.45M | k0{FastRandomContext().rand64()}, |
12 | 2.45M | k1{FastRandomContext().rand64()} {} |
13 | | |
14 | | SaltedOutpointHasher::SaltedOutpointHasher(bool deterministic) : |
15 | 8.41M | k0{deterministic ? 0x8e819f2607a18de6 : FastRandomContext().rand64()}, Branch (15:8): [True: 0, False: 8.41M]
|
16 | 8.41M | k1{deterministic ? 0xf4020d2e3983b0eb : FastRandomContext().rand64()} Branch (16:8): [True: 0, False: 8.41M]
|
17 | 8.41M | {} |
18 | | |
19 | | SaltedSipHasher::SaltedSipHasher() : |
20 | 11.0k | m_k0{FastRandomContext().rand64()}, |
21 | 11.0k | m_k1{FastRandomContext().rand64()} {} |
22 | | |
23 | | size_t SaltedSipHasher::operator()(const std::span<const unsigned char>& script) const |
24 | 974k | { |
25 | 974k | return CSipHasher(m_k0, m_k1).Write(script).Finalize(); |
26 | 974k | } |