80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/*
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* BenchEncrypt.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "benchmark/benchmark.h"
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#include "flow/StreamCipher.h"
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#include "flowbench/GlobalData.h"
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static StreamCipher::IV getRandomIV() {
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StreamCipher::IV iv;
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generateRandomData(iv.data(), iv.size());
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return iv;
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}
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static inline Standalone<StringRef> encrypt(const StreamCipher::Key& key,
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const StreamCipher::IV& iv,
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unsigned char const* data,
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size_t len) {
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EncryptionStreamCipher encryptor(key, iv);
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Arena arena;
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auto encrypted = encryptor.encrypt(data, len, arena);
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return Standalone<StringRef>(encrypted, arena);
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}
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static void bench_encrypt(benchmark::State& state) {
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auto bytes = state.range(0);
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auto chunks = state.range(1);
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auto chunkSize = bytes / chunks;
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StreamCipher::Key::initializeRandomTestKey();
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const auto& key = StreamCipher::Key::getKey();
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auto iv = getRandomIV();
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auto data = getKey(bytes);
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while (state.KeepRunning()) {
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for (int chunk = 0; chunk < chunks; ++chunk) {
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benchmark::DoNotOptimize(encrypt(key, iv, data.begin() + chunk * chunkSize, chunkSize));
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}
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}
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state.SetBytesProcessed(bytes * static_cast<long>(state.iterations()));
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}
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static void bench_decrypt(benchmark::State& state) {
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auto bytes = state.range(0);
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auto chunks = state.range(1);
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auto chunkSize = bytes / chunks;
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StreamCipher::Key::initializeRandomTestKey();
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const auto& key = StreamCipher::Key::getKey();
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auto iv = getRandomIV();
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auto data = getKey(bytes);
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auto encrypted = encrypt(key, iv, data.begin(), data.size());
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while (state.KeepRunning()) {
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Arena arena;
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DecryptionStreamCipher decryptor(key, iv);
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for (int chunk = 0; chunk < chunks; ++chunk) {
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benchmark::DoNotOptimize(
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Standalone<StringRef>(decryptor.decrypt(encrypted.begin() + chunk * chunkSize, chunkSize, arena)));
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}
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}
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state.SetBytesProcessed(bytes * static_cast<long>(state.iterations()));
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}
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BENCHMARK(bench_encrypt)->Ranges({ { 1 << 12, 1 << 20 }, { 1, 1 << 12 } });
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BENCHMARK(bench_decrypt)->Ranges({ { 1 << 12, 1 << 20 }, { 1, 1 << 12 } });
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