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fa1d49542e
Making the `GenerateRandomKey` helper available to other modules via
key.{h.cpp} allows us to create random private keys directly at
instantiation of CKey, in contrast to the two-step process of creating
the instance and then having to call `MakeNewKey(...)`.
29 lines
978 B
C++
29 lines
978 B
C++
// Copyright (c) 2022-2023 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <bench/bench.h>
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#include <key.h>
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#include <random.h>
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static void EllSwiftCreate(benchmark::Bench& bench)
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{
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ECC_Start();
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CKey key = GenerateRandomKey();
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uint256 entropy = GetRandHash();
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bench.batch(1).unit("pubkey").run([&] {
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auto ret = key.EllSwiftCreate(MakeByteSpan(entropy));
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/* Use the first 32 bytes of the ellswift encoded public key as next private key. */
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key.Set(UCharCast(ret.data()), UCharCast(ret.data()) + 32, true);
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assert(key.IsValid());
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/* Use the last 32 bytes of the ellswift encoded public key as next entropy. */
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std::copy(ret.begin() + 32, ret.begin() + 64, MakeWritableByteSpan(entropy).begin());
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});
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ECC_Stop();
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}
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BENCHMARK(EllSwiftCreate, benchmark::PriorityLevel::HIGH);
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