Package javax.crypto.spec

Examples of javax.crypto.spec.PBEKeySpec

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   static void encode(RandomAccessFile passwordFile, byte[] salt, int count,
      byte[] secret)
      throws Exception
   {
      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec("78aac249a60a13d5e882927928043ebb".toCharArray());
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      Cipher cipher = Cipher.getInstance("PBEwithMD5andDES");
      cipher.init(Cipher.ENCRYPT_MODE, cipherKey, cipherSpec);
      byte[] encode = cipher.doFinal(secret);
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  private void testConstructorP(TestHarness harness)
  {
    char[] password = "HelloWorld".toCharArray();
    try
    {
      PBEKeySpec pbeKeySpec = new PBEKeySpec(password);

      harness.check(pbeKeySpec.getSalt() == null,
                    "salt MUST have a default value of null");
      harness.check(pbeKeySpec.getIterationCount() == 0,
                    "iterationCount MUST have a default value of 0");
      harness.check(pbeKeySpec.getKeyLength() == 0,
                    "keyLength MUST have a default value of 0");
    }
  catch (Exception x)
    {
      harness.debug(x);
      harness.fail("PBEKeySpec() with valid password failed: " + x);
    }

  try
    {
      PBEKeySpec pbeKeySpec = new PBEKeySpec(null);

      char[] pbePassword = pbeKeySpec.getPassword();
      harness.check(pbePassword.length == 0,
                    "a null password MUST produce an empty char array");
    }
  catch (Exception x)
    {
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    char[] password = "HelloWorld".toCharArray();
    byte[] salt = new byte[] { 0, 1, 1, 2, 3, 5, 8 };
    int iterationCount = 102;
    try
      {
        PBEKeySpec pbeKeySpec = new PBEKeySpec(password, salt, iterationCount);

        harness.check(pbeKeySpec.getKeyLength() == 0,
                      "keyLength MUST have a default value of 0");
      }
    catch (Exception x)
      {
        harness.debug(x);
        harness.fail("PBEKeySpec() with valid password, salt and "
                     + "iterationCount failed:" + x);
      }

    try
      {
        PBEKeySpec pbeKeySpec = new PBEKeySpec(null, salt, iterationCount);
        char[] pbePassword = pbeKeySpec.getPassword();
        harness.check(pbePassword.length == 0,
                      "a null password MUST produce an empty char array");
      }
    catch (Exception x)
      {
        harness.debug(x);
        harness.fail(String.valueOf(x));
      }

    String msg = "PBEKeySpec() MUST throw NullPointerException if salt is null";
    try
      {
        new PBEKeySpec(password, null, iterationCount);
        harness.fail(msg);
      }
    catch (NullPointerException npe)
      {
        harness.check(true, msg);
      }
    catch (Exception x)
      {
        harness.debug(x);
        harness.fail(String.valueOf(x));
      }

    msg = "PBEKeySpec() MUST throw IllegalArgumentException if salt is an "
          + "empty array";
    try
      {
        byte[] emptySalt = new byte[0];
        new PBEKeySpec(password, emptySalt, iterationCount);
        harness.fail(msg);
      }
    catch (IllegalArgumentException iae)
      {
        harness.check(true, msg);
      }
    catch (Exception x)
      {
        harness.debug(x);
        harness.fail(String.valueOf(x));
      }

    msg = "PBEKeySpec() MUST throw IllegalArgumentException if iterationCount "
          + "is negative";
    try
      {
        new PBEKeySpec(password, salt, - 1);
        harness.fail(msg);
      }
    catch (IllegalArgumentException iae)
      {
        harness.check(true, msg);
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    byte[] salt = new byte[] { 0, 1, 1, 2, 3, 5, 8 };
    int iterationCount = 102;
    int keyLength = 4;
    try
    {
      new PBEKeySpec(password, salt, iterationCount, keyLength);
    }
  catch (Exception x)
    {
      harness.debug(x);
      harness.fail("PBEKeySpec() with valid password, salt, iterationCount "
                   + "and keyLength failed: "  + x);
    }

  try
    {
      PBEKeySpec pbeKeySpec = new PBEKeySpec(null, salt, iterationCount,
                                             keyLength);
      char[] pbePassword = pbeKeySpec.getPassword();
      harness.check(pbePassword.length == 0,
                    "a null password MUST produce an empty char array");
    }
  catch (Exception x)
    {
      harness.debug(x);
      harness.fail("PBEKeySpec(password, salt, iterationcount, keyLength) "
                   + "with a null password failed: " + x);
    }

  String msg = "PBEKeySpec() MUST throw NullPointerException if salt is null";
  try
    {
      new PBEKeySpec(password, null, iterationCount, keyLength);
      harness.fail(msg);
    }
  catch (NullPointerException npe)
    {
      harness.check(true, msg);
    }
  catch (Exception x)
    {
      harness.debug(x);
      harness.fail(String.valueOf(x));
    }

  msg = "PBEKeySpec() MUST throw IllegalArgumentException if salt is an "
        + "empty array";
  try
    {
      byte[] emptySalt = new byte[0];
      new PBEKeySpec(password, emptySalt, iterationCount, keyLength);
      harness.fail(msg);
    }
  catch (IllegalArgumentException iae)
    {
      harness.check(true, msg);
    }
  catch (Exception x)
    {
      harness.debug(x);
      harness.fail(String.valueOf(x));
    }

  msg = "PBEKeySpec() MUST throw IllegalArgumentException if iterationCount "
        + "is negative";
  try
    {
      new PBEKeySpec(password, salt, - 1, keyLength);
      harness.fail(msg);
    }
  catch (IllegalArgumentException iae)
    {
      harness.check(true, msg);
    }
  catch (Exception x)
    {
      harness.debug(x);
      harness.fail(String.valueOf(x));
    }

  msg = "PBEKeySpec() MUST throw IllegalArgumentException if keyLength is "
        + "negative";
  try
    {
      new PBEKeySpec(password, salt, iterationCount, -1);
      harness.fail(msg);
    }
  catch (IllegalArgumentException iae)
    {
      harness.check(true, msg);
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  private void testPassword(TestHarness harness)
  {
    char[] password = "HelloWorld".toCharArray();
    try
      {
        PBEKeySpec pbeKeySpec = new PBEKeySpec(password);

        // check to make sure PBEKeySpec password copy matches
        harness.check(Arrays.equals(pbeKeySpec.getPassword(), password),
                      "Value returned from getPassword() MUST equal the actual "
                      + "password");

        char[] passwordCopy = pbeKeySpec.getPassword();
        for (int i = 0; i < passwordCopy.length; i++)
          passwordCopy[i] = 'a';
        char[] originalPassword = "HelloWorld".toCharArray();

        harness.check(Arrays.equals(password, originalPassword),
                      "Changing the stored password changed the actual "
                      + "password. MUST store a COPY of the password");
        harness.check(Arrays.equals(pbeKeySpec.getPassword(), originalPassword),
                      "Changing the value returned from getPassword() changed"
                      + " the stored password. MUST return a COPY of the "
                      + "password");
        // this should clear just the copy of password, not the password itself
        pbeKeySpec.clearPassword();
        harness.check(Arrays.equals(password, "HelloWorld".toCharArray()),
                      "clearPassword() cleared the actual password. MUST store "
                      + "a COPY of the password");

        String msg = "Calling getPassword() after clearPassword() MUST throw "
                     + "IllegalStateException";
        try
          {
            pbeKeySpec.getPassword();
            harness.fail(msg);
          }
        catch (IllegalStateException ise)
          {
            harness.check(true, msg);
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    char[] password = "HelloWorld".toCharArray();
    byte[] salt = new byte[] { 0, 1, 1, 2, 3, 5, 8 };
    int iterationCount = 102;
    try
      {
        PBEKeySpec pbeKeySpec = new PBEKeySpec(password, salt, iterationCount);

        // check to make sure the PBEKeySpec password copy matches
        harness.check(Arrays.equals(pbeKeySpec.getSalt(), salt),
                      "Value returned from getSalt() MUST equal actual salt");

        // check that PBEKeySpec is indeed storing only a copy of the salt
        byte[] saltCopy = pbeKeySpec.getSalt();
        for (int i = 0; i < saltCopy.length; i++)
          saltCopy[i] = (byte) i;
        byte[] originalSalt = new byte[] { 0, 1, 1, 2, 3, 5, 8 };
        harness.check(Arrays.equals(salt, originalSalt),
                      "Changing the stored salt changed the actual salt. "
                      + "MUST store a COPY of the salt");
        harness.check(Arrays.equals(pbeKeySpec.getSalt(), originalSalt),
                      "Changing the value returned from getSalt() changed the "
                      + "stored salt. MUST return a COPY of the salt");
      }
    catch (Exception x)
      {
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    byte[] salt = new byte[] { 0, 1, 1, 2, 3, 5, 8 };
    int iterationCount = 102;
    String msg = "getIterationCount() MUST match iterationCount";
    try
      {
        PBEKeySpec pbeKeySpec = new PBEKeySpec(password, salt, iterationCount);
        harness.check(pbeKeySpec.getIterationCount() == iterationCount, msg);
      }
    catch (Exception x)
      {
        harness.debug(x);
        harness.fail("testIterationCount(): " + x);
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    int iterationCount = 102;
    int keyLength = 4;
    String msg = "getKeyLength() MUST match keyLength";
    try
      {
        PBEKeySpec pbeKeySpec = new PBEKeySpec(password, salt, iterationCount,
                                               keyLength);
        harness.check(pbeKeySpec.getKeyLength() == keyLength, msg);
      }
    catch (Exception x)
      {
        harness.debug(x);
        harness.fail("testKeyLength(): " + x);
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      byte[] salt = args[0].substring(0, 8).getBytes();
      int count = Integer.parseInt(args[1]);
      char[] password = args[2].toCharArray();
      byte[] passwordToEncode = args[3].getBytes("UTF-8");
      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec(password);
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      String encodedPassword = encode64(passwordToEncode, "PBEwithMD5andDES",
         cipherKey, cipherSpec);
      System.err.println("Encoded password: "+encodedPassword);
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         baos.write(b);
      passwordFile.close();
      byte[] secret = baos.toByteArray();

      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec("78aac249a60a13d5e882927928043ebb".toCharArray());
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      Cipher cipher = Cipher.getInstance("PBEwithMD5andDES");
      cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherSpec);
      byte[] decode = cipher.doFinal(secret);
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