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// Copyright (c) 2019-2022 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/poly1305.h>
/* Number of bytes to process per iteration */
static constexpr uint64_t BUFFER_SIZE_TINY = 64;
static constexpr uint64_t BUFFER_SIZE_SMALL = 256;
static constexpr uint64_t BUFFER_SIZE_LARGE = 1024*1024;
static void POLY1305(benchmark::Bench& bench, size_t buffersize)
{
std::vector<unsigned char> tag(POLY1305_TAGLEN, 0);
std::vector<unsigned char> key(POLY1305_KEYLEN, 0);
std::vector<unsigned char> in(buffersize, 0);
bench.batch(in.size()).unit("byte").run([&] {
poly1305_auth(tag.data(), in.data(), in.size(), key.data());
});
}
static void POLY1305_64BYTES(benchmark::Bench& bench)
{
POLY1305(bench, BUFFER_SIZE_TINY);
}
static void POLY1305_256BYTES(benchmark::Bench& bench)
{
POLY1305(bench, BUFFER_SIZE_SMALL);
}
static void POLY1305_1MB(benchmark::Bench& bench)
{
POLY1305(bench, BUFFER_SIZE_LARGE);
}
BENCHMARK(POLY1305_64BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(POLY1305_256BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(POLY1305_1MB, benchmark::PriorityLevel::HIGH);
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