Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
JMH Test Crypt Hash Performance
package net.eckenfels.test.jmh;
import java.nio.ByteBuffer;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.concurrent.TimeUnit;
import javax.crypto.KeyGenerator;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
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;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@Warmup(iterations = 1, time = 3, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 3, time = 6, timeUnit = TimeUnit.SECONDS)
@Fork(1)
@State(Scope.Thread)
public class HashBenchmark
{
@Param(value = {"1", "1024", "1048576"})
int bufsize;
public ByteBuffer buf;
private MessageDigest sha1;
private MessageDigest sha256;
private MessageDigest sha512;
private MessageDigest md5;
private SecretKey key;
@Setup
public void init()
throws NoSuchAlgorithmException
{
buf = ByteBuffer.allocate(bufsize);
sha1 = MessageDigest.getInstance("SHA-1");
sha256 = MessageDigest.getInstance("SHA-256");
sha512 = MessageDigest.getInstance("SHA-512");
md5 = MessageDigest.getInstance("MD5");
KeyGenerator keyGen = KeyGenerator.getInstance("HmacSHA512");
key = keyGen.generateKey();
//System.out.println("key " + key.getFormat());
}
@Benchmark
public byte[] testMD5()
throws NoSuchAlgorithmException
{
byte[] arr = buf.array();
MessageDigest digest = MessageDigest.getInstance("MD5");
return digest.digest(arr);
}
@Benchmark
public byte[] testSHA1()
throws NoSuchAlgorithmException
{
byte[] arr = buf.array();
MessageDigest digest = MessageDigest.getInstance("SHA-1");
return digest.digest(arr);
}
@Benchmark
public byte[] testSHA256()
throws NoSuchAlgorithmException
{
byte[] arr = buf.array();
MessageDigest digest = MessageDigest.getInstance("SHA-256");
return digest.digest(arr);
}
@Benchmark
public byte[] testSHA512()
throws NoSuchAlgorithmException
{
byte[] arr = buf.array();
MessageDigest digest = MessageDigest.getInstance("SHA-512");
return digest.digest(arr);
}
@Benchmark
public byte[] testMD5Reuse()
{
byte[] arr = buf.array();
MessageDigest digest = md5;
return digest.digest(arr);
}
@Benchmark
public byte[] testSHA1Reuse()
{
byte[] arr = buf.array();
MessageDigest digest = sha1;
return digest.digest(arr);
}
@Benchmark
public byte[] testSHA256Reuse()
{
byte[] arr = buf.array();
MessageDigest digest = sha256;
return digest.digest(arr);
}
@Benchmark
public byte[] testSHA512Reuse()
{
byte[] arr = buf.array();
MessageDigest digest = sha512;
return digest.digest(arr);
}
@Benchmark
public byte[] testHmacSHA1()
throws NoSuchAlgorithmException, InvalidKeyException
{
byte[] arr = buf.array();
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(key);
return mac.doFinal(arr);
}
@Benchmark
public byte[] testHmacSHA256()
throws NoSuchAlgorithmException, InvalidKeyException
{
byte[] arr = buf.array();
Mac mac = Mac.getInstance("HmacSHA256");
mac.init(key);
return mac.doFinal(arr);
}
@Benchmark
public byte[] testHmacSHA512()
throws NoSuchAlgorithmException, InvalidKeyException
{
byte[] arr = buf.array();
Mac mac = Mac.getInstance("HmacSHA512");
mac.init(key);
return mac.doFinal(arr);
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.