author | ecaspole |
Tue, 11 Dec 2018 14:09:55 -0500 | |
changeset 52950 | 30df3fc36c72 |
child 57673 | 24f1a593dcd0 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2018, Oracle and/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.full; |
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import org.openjdk.jmh.annotations.Benchmark; |
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import org.openjdk.jmh.annotations.Param; |
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import org.openjdk.jmh.annotations.Setup; |
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import javax.crypto.BadPaddingException; |
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import javax.crypto.Cipher; |
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import javax.crypto.IllegalBlockSizeException; |
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import javax.crypto.NoSuchPaddingException; |
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import javax.crypto.spec.GCMParameterSpec; |
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import javax.crypto.spec.SecretKeySpec; |
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import java.security.InvalidAlgorithmParameterException; |
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import java.security.InvalidKeyException; |
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import java.security.NoSuchAlgorithmException; |
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import java.security.spec.InvalidParameterSpecException; |
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public class AESGCMBench extends CryptoBase { |
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@Param({"AES/GCM/NoPadding","AES/GCM/PKCS5Padding"}) |
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private String algorithm; |
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@Param({"128"}) |
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private int keyLength; |
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@Param({""+16*1024}) |
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private int dataSize; |
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byte[] data; |
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byte[] encryptedData; |
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private Cipher encryptCipher; |
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private Cipher decryptCipher; |
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SecretKeySpec ks; |
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GCMParameterSpec gcm_spec; |
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byte[] aad; |
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byte[] iv; |
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public static final int IV_BUFFER_SIZE = 32; |
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public static final int IV_MODULO = IV_BUFFER_SIZE - 16; |
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int iv_index = 0; |
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private int next_iv_index() { |
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int r = iv_index; |
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iv_index = (iv_index + 1) % IV_MODULO; |
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return r; |
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} |
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@Setup |
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public void setup() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException, InvalidAlgorithmParameterException, InvalidParameterSpecException { |
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setupProvider(); |
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assert algorithm.split("/")[1].compareToIgnoreCase("GCM") == 0; |
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byte[] keystring = fillSecureRandom(new byte[keyLength / 8]); |
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ks = new SecretKeySpec(keystring, "AES"); |
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iv = fillSecureRandom(new byte[IV_BUFFER_SIZE]); |
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gcm_spec = new GCMParameterSpec(96, iv, next_iv_index(), 16); |
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aad = fillSecureRandom(new byte[5]); |
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encryptCipher = makeCipher(prov, algorithm); |
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encryptCipher.init(Cipher.ENCRYPT_MODE, ks, gcm_spec); |
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encryptCipher.updateAAD(aad); |
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decryptCipher = makeCipher(prov, algorithm); |
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decryptCipher.init(Cipher.DECRYPT_MODE, ks, encryptCipher.getParameters().getParameterSpec(GCMParameterSpec.class)); |
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decryptCipher.updateAAD(aad); |
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data = fillRandom(new byte[dataSize]); |
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encryptedData = encryptCipher.doFinal(data); |
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} |
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@Benchmark |
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public byte[] encrypt() throws BadPaddingException, IllegalBlockSizeException, InvalidAlgorithmParameterException, InvalidKeyException { |
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gcm_spec = new GCMParameterSpec(96, iv, next_iv_index(), 16); |
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encryptCipher.init(Cipher.ENCRYPT_MODE, ks, gcm_spec); |
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encryptCipher.updateAAD(aad); |
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return encryptCipher.doFinal(data); |
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} |
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@Benchmark |
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public byte[] decrypt() throws BadPaddingException, IllegalBlockSizeException, InvalidParameterSpecException, InvalidAlgorithmParameterException, InvalidKeyException { |
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decryptCipher.init(Cipher.DECRYPT_MODE, ks, encryptCipher.getParameters().getParameterSpec(GCMParameterSpec.class)); |
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decryptCipher.updateAAD(aad); |
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return decryptCipher.doFinal(encryptedData); |
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} |
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} |