Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

  * 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.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  *

  */

 /**

  * @author Tom Deneau

  */

 import javax.crypto.Cipher;

 import javax.crypto.KeyGenerator;

 import javax.crypto.SecretKey;

 import javax.crypto.spec.IvParameterSpec;

 import javax.crypto.spec.SecretKeySpec;

 import java.security.AlgorithmParameters;

 import java.util.Random;

 import java.util.Arrays;

 abstract public class TestAESBase {

   int msgSize = Integer.getInteger("msgSize", 646);

   boolean checkOutput = Boolean.getBoolean("checkOutput");

   boolean noReinit = Boolean.getBoolean("noReinit");

   int keySize = Integer.getInteger("keySize", 128);

   String algorithm = System.getProperty("algorithm", "AES");

   String mode = System.getProperty("mode", "CBC");

   byte[] input;

   byte[] encode;

   byte[] expectedEncode;

   byte[] decode;

   byte[] expectedDecode;

   Random random = new Random(0);

   Cipher cipher;

   Cipher dCipher;

   String paddingStr = "PKCS5Padding";

   AlgorithmParameters algParams;

   SecretKey key;

   static int numThreads = 0;

   int  threadId;

   static synchronized int getThreadId() {

     int id = numThreads;

     numThreads++;

     return id;

   }

   abstract public void run();

   public void prepare() {

     try {

     System.out.println("\nalgorithm=" + algorithm + ", mode=" + mode + ", msgSize=" + msgSize + ", keySize=" + keySize + ", noReinit=" + noReinit + ", checkOutput=" + checkOutput);

       int keyLenBytes = (keySize == 0 ? 16 : keySize/8);

       byte keyBytes[] = new byte[keyLenBytes];

       if (keySize == 128)

         keyBytes = new byte[] {-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7};

       else

         random.nextBytes(keyBytes);

       key = new SecretKeySpec(keyBytes, algorithm);

       if (threadId == 0) {

         System.out.println("Algorithm: " + key.getAlgorithm() + "("

                            + key.getEncoded().length * 8 + "bit)");

       }

       input = new byte[msgSize];

       for (int i=0; i<input.length; i++) {

         input[i] = (byte) (i & 0xff);

       }

       cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");

       dCipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");

       if (mode.equals("CBC")) {

         int ivLen = (algorithm.equals("AES") ? 16 : algorithm.equals("DES") ? 8 : 0);

         IvParameterSpec initVector = new IvParameterSpec(new byte[ivLen]);

         cipher.init(Cipher.ENCRYPT_MODE, key, initVector);

       } else {

         algParams = cipher.getParameters();

         cipher.init(Cipher.ENCRYPT_MODE, key, algParams);

       }

       algParams = cipher.getParameters();

       dCipher.init(Cipher.DECRYPT_MODE, key, algParams);

       if (threadId == 0) {

         childShowCipher();

       }

       // do one encode and decode in preparation

       // this will also create the encode buffer and decode buffer

       encode = cipher.doFinal(input);

       decode = dCipher.doFinal(encode);

       if (checkOutput) {

         expectedEncode = (byte[]) encode.clone();

         expectedDecode = (byte[]) decode.clone();

         showArray(key.getEncoded()  ,  "key:    ");

         showArray(input,  "input:  ");

         showArray(encode, "encode: ");

         showArray(decode, "decode: ");

       }

     }

     catch (Exception e) {

       e.printStackTrace();

       System.exit(1);

     }

   }

   void showArray(byte b[], String name) {

     System.out.format("%s [%d]: ", name, b.length);

     for (int i=0; i<Math.min(b.length, 32); i++) {

       System.out.format("%02x ", b[i] & 0xff);

     }

     System.out.println();

   }

   void compareArrays(byte b[], byte exp[]) {

     if (b.length != exp.length) {

       System.out.format("different lengths for actual and expected output arrays\n");

       showArray(b, "test: ");

       showArray(exp, "exp : ");

       System.exit(1);

     }

     for (int i=0; i< exp.length; i++) {

       if (b[i] != exp[i]) {

         System.out.format("output error at index %d: got %02x, expected %02x\n", i, b[i] & 0xff, exp[i] & 0xff);

         showArray(b, "test: ");

         showArray(exp, "exp : ");

         System.exit(1);

       }

     }

   }

   void showCipher(Cipher c, String kind) {

     System.out.println(kind + " cipher provider: " + cipher.getProvider());

     System.out.println(kind + " cipher algorithm: " + cipher.getAlgorithm());

   }

   abstract void childShowCipher();

 }