Package javax.crypto.spec

Examples of javax.crypto.spec.IvParameterSpec

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  {
    Properties returnProperties = null;
    try {
      byte[] zeros = new byte[8];
      Arrays.fill(zeros, (byte)0);
      IvParameterSpec ivSpec = new IvParameterSpec(zeros);
      Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
      cipher.init(Cipher.DECRYPT_MODE, blowfishKey, ivSpec);

      ByteArrayInputStream byteArrayInStream = new ByteArrayInputStream(cipher.doFinal(licenseFile));
      returnProperties = new Properties();
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  {
    byte[] returnByteArray = null;
    try {
      byte[] zeros = new byte[8];
      Arrays.fill(zeros, (byte)0);
      IvParameterSpec ivSpec = new IvParameterSpec(zeros);
      ByteArrayOutputStream byteArrayOutStream = new ByteArrayOutputStream();
      serverProperties.store(byteArrayOutStream, "CentraView Server Properties");

      Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
      cipher.init(Cipher.ENCRYPT_MODE, blowfishKey, ivSpec);
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        byte[]  shared_secret = sts_engine.getSharedSecret();
               
          SecretKeySpec  secret_key_spec1 = new SecretKeySpec(shared_secret, 0, 16, "AES" );
          SecretKeySpec  secret_key_spec2 = new SecretKeySpec(shared_secret, 8, 16, "AES" );
           
          AlgorithmParameterSpec  param_spec1 =   new IvParameterSpec( AES_IV1);
          AlgorithmParameterSpec  param_spec2 =   new IvParameterSpec( AES_IV2);     
             
          Cipher cipher1 = Cipher.getInstance( "AES/CBC/PKCS5Padding" );
          Cipher cipher2 = Cipher.getInstance( "AES/CBC/PKCS5Padding" );
           
          if ( connection.isIncoming()){
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("DES", "BC");
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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                random.nextBytes(iv);

                try
                {
                    params = AlgorithmParameters.getInstance("RC2", "BC");
                    params.init(new IvParameterSpec(iv));
                }
                catch (Exception e)
                {
                    throw new RuntimeException(e.getMessage());
                }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("AES", "BC");
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("IDEA", "BC");
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("CAST5", "BC");
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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    // and it will only take the first x bytes, but no way to be certain
    // that this will work for every JCE provider, so lets copy the
    // necessary bytes into a dedicated array.

    System.arraycopy(encryptedBytes, 0, ivBytes, 0, ivLen);
    IvParameterSpec iv = new IvParameterSpec(ivBytes);   
   
    try {
      c.init(_cipherMode, _key, iv);
    } catch (InvalidKeyException ike) {
      throw new XMLEncryptionException("empty", ike);
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            decrypter = Cipher.getInstance("DES/CBC/NoPadding");
            encrypter = Cipher.getInstance("DES/CBC/NoPadding");

            // IV is all 0s for RTP DES
            IvParameterSpec iv = new IvParameterSpec(new byte[] { 0, 0, 0, 0,
                    0, 0, 0, 0 });

            decrypter.init(Cipher.DECRYPT_MODE, secretKey, iv);
            encrypter.init(Cipher.ENCRYPT_MODE, secretKey, iv);
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