| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.libcore.regression; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| import javax.crypto.Cipher; |
| import javax.crypto.CipherInputStream; |
| import javax.crypto.KeyGenerator; |
| import javax.crypto.SecretKey; |
| import javax.crypto.spec.IvParameterSpec; |
| |
| /** CipherInputStream benchmark. */ |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class CipherInputStreamPerfTest { |
| @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| private static final int DATA_SIZE = 1024 * 1024; |
| private static final byte[] DATA = new byte[DATA_SIZE]; |
| |
| private static final int IV_SIZE = 16; |
| private static final byte[] IV = new byte[IV_SIZE]; |
| |
| static { |
| for (int i = 0; i < DATA_SIZE; i++) { |
| DATA[i] = (byte) i; |
| } |
| for (int i = 0; i < IV_SIZE; i++) { |
| IV[i] = (byte) i; |
| } |
| } |
| |
| private SecretKey mKey; |
| |
| private byte[] mOutput = new byte[8192]; |
| |
| private Cipher mCipherEncrypt; |
| |
| private AlgorithmParameterSpec mSpec; |
| |
| @Before |
| public void setUp() throws Exception { |
| KeyGenerator generator = KeyGenerator.getInstance("AES"); |
| generator.init(128); |
| mKey = generator.generateKey(); |
| |
| mSpec = new IvParameterSpec(IV); |
| |
| mCipherEncrypt = Cipher.getInstance("AES/CBC/PKCS5Padding"); |
| mCipherEncrypt.init(Cipher.ENCRYPT_MODE, mKey, mSpec); |
| } |
| |
| @Test |
| public void timeEncrypt() throws Exception { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| mCipherEncrypt.init(Cipher.ENCRYPT_MODE, mKey, mSpec); |
| InputStream is = new CipherInputStream(new ByteArrayInputStream(DATA), mCipherEncrypt); |
| while (is.read(mOutput) != -1) { |
| // Keep iterating |
| } |
| } |
| } |
| } |