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32 lines
938 B
C++
32 lines
938 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;
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key.MakeNewKey(true);
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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(AsBytes(Span{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, BytePtr(entropy.data()));
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});
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ECC_Stop();
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}
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BENCHMARK(EllSwiftCreate);
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