/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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package org.openjdk.bench.javax.crypto;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Benchmark;
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 javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.util.Random;
import java.util.concurrent.TimeUnit;
@OutputTimeUnit(TimeUnit.SECONDS)
@State(Scope.Thread )
public class AES {
@Param("10000000" )
private int count;
private Cipher cipher;
private byte [] src;
@Setup
public void setup() throws Exception {
SecretKeySpec keySpec = new SecretKeySpec(new byte []{-80 , -103 , -1 , 68 , -29 , -94 , 61 , -52 , 93 , -59 , -128 , 105 , 110 , 88 , 44 , 105 }, "AES" );
IvParameterSpec iv = new IvParameterSpec(new byte []{0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00, 0 x00});
cipher = Cipher.getInstance("AES/CBC/PKCS5Padding" );
cipher.init(Cipher.ENCRYPT_MODE, keySpec, iv);
src = new byte [count];
new Random(1 ).nextBytes(src);
}
@Benchmark
@Fork(jvmArgsAppend = {"-XX:+UnlockDiagnosticVMOptions" , "-XX:-UseAES" , "-XX:-UseAESIntrinsics" })
public byte [] testBaseline() throws Exception {
return cipher.doFinal(src);
}
@Benchmark
@Fork(jvmArgsAppend = {"-XX:+UnlockDiagnosticVMOptions" , "-XX:+UseAES" , "-XX:-UseAESIntrinsics" })
public byte [] testUseAes() throws Exception {
return cipher.doFinal(src);
}
@Benchmark
@Fork(jvmArgsAppend = {"-XX:+UnlockDiagnosticVMOptions" , "-XX:+UseAES" , "-XX:+UseAESIntrinsics" })
public byte [] testUseAesIntrinsics() throws Exception {
return cipher.doFinal(src);
}
}
Messung V0.5 in Prozent C=97 H=92 G=94
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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