Android Open Source - conceal Cipher Write Benchmark

From Project

Back to project page conceal.

License

The source code is released under:

BSD License For Conceal software Copyright (c) 2014, Facebook, Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that...

If you think the Android project conceal listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 *  Copyright (c) 2014, Facebook, Inc./*ww  w.ja  va2s  .c  om*/
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 *
 */

package com.facebook.crypto.benchmarks;

import javax.crypto.Mac;

import java.io.OutputStream;
import java.security.Security;
import java.util.Random;

import com.facebook.crypto.benchmarks.cipher.AESCipher;
import com.facebook.crypto.benchmarks.cipher.BouncyCastleGCMCipher;
import com.facebook.crypto.benchmarks.cipher.NativeGCMCipherHelper;
import com.facebook.crypto.benchmarks.mac.HMAC;
import com.facebook.crypto.benchmarks.mac.NativeMacHelper;
import com.facebook.crypto.benchmarks.mac.streams.MacLayeredOutputStream;

import com.google.caliper.Param;
import com.google.caliper.SimpleBenchmark;
import com.google.common.io.NullOutputStream;
import org.spongycastle.jce.provider.BouncyCastleProvider;

public class CipherWriteBenchmark extends SimpleBenchmark {

  private byte[] mData;
  private NullOutputStream mNullOutputStream;
  private HMAC mHMAC;
  private NativeGCMCipherHelper mNativeGCMCipherHelper;

  // This field is purposely here so that we can get a
  // reference to NativeMac which is necessary for
  // library initialization.
  private NativeMacHelper mNativeMacHelper;

  private AESCipher mAESCipher;
  private BouncyCastleGCMCipher mBCGCMCipher;

  @Param({"102400"})
  int size;

  @Override
  public void setUp() throws Exception {
    Random random = new Random();
    mData = new byte[size];
    random.nextBytes(mData);
    mNullOutputStream = new NullOutputStream();
    mHMAC = HMAC.getInstance();
    mNativeGCMCipherHelper = NativeGCMCipherHelper.getInstance();

    mAESCipher = AESCipher.getInstance();
    Security.addProvider(new BouncyCastleProvider());
    mBCGCMCipher = BouncyCastleGCMCipher.getInstance();
  }

  public void timeAESWithHMAC(int reps) throws Exception {
    for (int i = 0; i < reps; ++i) {
      Mac mac = mHMAC.getMac();
      MacLayeredOutputStream macOs = new MacLayeredOutputStream(mac, mNullOutputStream);
      OutputStream aes = mAESCipher.getOutputStream(macOs);
      aes.write(mData);
      aes.close();
      mac.doFinal();
    }
  }

  public void timeNativeGCM(int reps) throws Exception {
    for (int i = 0; i < reps; ++i) {
      OutputStream output = mNativeGCMCipherHelper.getOutputStream(mNullOutputStream);
      output.write(mData);
      output.close();
    }
  }

  public void timeBouncycastleGCMCipher(int reps) throws Exception {
    for (int i = 0; i < reps; ++i) {
      OutputStream output =  mBCGCMCipher.getOutputStream(mNullOutputStream);
      output.write(mData);
      output.close();
    }
  }
}

Java Source Code List