65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
/*
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* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.javax.crypto;
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import org.openjdk.jmh.annotations.*;
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import javax.crypto.Cipher;
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import javax.crypto.spec.GCMParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.util.Random;
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import java.util.concurrent.TimeUnit;
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@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
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@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
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@Fork(value = 3, jvmArgs = {"-Xms1g", "-Xmx1g"})
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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@State(Scope.Thread)
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public class AESReinit {
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private Cipher cipher;
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private Random random;
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byte[] key = new byte[16];
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byte[] iv = new byte[16];
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@Setup
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public void prepare() throws Exception {
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random = new Random();
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cipher = Cipher.getInstance("AES/GCM/NoPadding");
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key = new byte[16];
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iv = new byte[16];
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}
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@Benchmark
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public void test() throws Exception {
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random.nextBytes(key);
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random.nextBytes(iv);
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SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
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GCMParameterSpec param = new GCMParameterSpec(128, iv);
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cipher.init(Cipher.ENCRYPT_MODE, secretKey, param);
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}
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}
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