git / moonbite-core / src/bench/chacha20.cpp · raw

// Copyright (c) 2019 The Bitcoin Core developers// Distributed under the MIT software license, see the accompanying// file COPYING or http://www.opensource.org/licenses/mit-license.php.#include <bench/bench.h>#include <crypto/chacha20.h>/* Number of bytes to process per iteration */static const uint64_t BUFFER_SIZE_TINY  = 64;static const uint64_t BUFFER_SIZE_SMALL = 256;static const uint64_t BUFFER_SIZE_LARGE = 1024*1024;static void CHACHA20(benchmark::Bench& bench, size_t buffersize){    std::vector<uint8_t> key(32,0);    ChaCha20 ctx(key.data(), key.size());    ctx.SetIV(0);    ctx.Seek(0);    std::vector<uint8_t> in(buffersize,0);    std::vector<uint8_t> out(buffersize,0);    bench.batch(in.size()).unit("byte").run([&] {        ctx.Crypt(in.data(), out.data(), in.size());    });}static void CHACHA20_64BYTES(benchmark::Bench& bench){    CHACHA20(bench, BUFFER_SIZE_TINY);}static void CHACHA20_256BYTES(benchmark::Bench& bench){    CHACHA20(bench, BUFFER_SIZE_SMALL);}static void CHACHA20_1MB(benchmark::Bench& bench){    CHACHA20(bench, BUFFER_SIZE_LARGE);}BENCHMARK(CHACHA20_64BYTES);BENCHMARK(CHACHA20_256BYTES);BENCHMARK(CHACHA20_1MB);