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MessageDigestBenchmark.java
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MessageDigestBenchmark.java
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/*
* JVM Performance Benchmarks
*
* Copyright (C) 2019 - 2024 Ionut Balosin
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 com.ionutbalosin.jvm.performance.benchmarks.api.messagedigest;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
/*
* Generates a message digest (i.e., a hash representation) for an input byte array using various algorithms (e.g., MD5, SHA, SHA3).
* No explicit provider is declared; thus, the standard JDK provider is utilized.
*
* References:
* - https://docs.oracle.com/en/java/javase/17/docs/specs/security/standard-names.html#messagedigest-algorithms
*/
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
@Warmup(iterations = 5, time = 10, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 10, timeUnit = TimeUnit.SECONDS)
@Fork(value = 5)
@State(Scope.Benchmark)
public class MessageDigestBenchmark {
// $ java -jar */*/benchmarks.jar ".*MessageDigestBenchmark.*"
private final Random random = new Random(16384);
@Param({"16384"})
private int length;
@Param({
"MD5",
"SHA-1",
"SHA-224",
"SHA-256",
"SHA-384",
"SHA-512/224",
"SHA-512/256",
"SHA3-224",
"SHA3-256",
"SHA3-384",
"SHA3-512"
})
private String algorithm;
private byte[] input;
private MessageDigest messageDigest;
@Setup
public void setup() throws NoSuchAlgorithmException {
input = new byte[length];
random.nextBytes(input);
messageDigest = MessageDigest.getInstance(algorithm);
}
@Benchmark
public byte[] digest() {
return messageDigest.digest(input);
}
}