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Re: (Encryption Package) error: cannot find symbol symbol: class BaseNCode

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When I add the below code (from line 2 in first post), I see the error for constant "Base64.DEFAULT" as:
cannot find symbol
  symbol:   variable DEFAULT
 //Code from link 2 in first posting:
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
    

    private final String characterEncoding = "UTF-8";

    private final String cipherTransformation = "AES/CBC/PKCS5Padding";  

    private final String aesEncryptionAlgorithm = "AES";  
  
    public  byte[] decrypt(byte[] cipherText, byte[] key, byte [] initialVector) throws NoSuchAlgorithmException, 
                                                                                        NoSuchPaddingException, 
                                                                                        InvalidKeyException, 
                                                                                        InvalidAlgorithmParameterException, 
                                                                                        IllegalBlockSizeException, 
                                                                                        BadPaddingException  
    {
        Cipher cipher = Cipher.getInstance(cipherTransformation);  

        SecretKeySpec secretKeySpecy = new SecretKeySpec(key, aesEncryptionAlgorithm);  

        IvParameterSpec ivParameterSpec = new IvParameterSpec(initialVector);  

        cipher.init(Cipher.DECRYPT_MODE, secretKeySpecy, ivParameterSpec);  

        cipherText = cipher.doFinal(cipherText);  

        return cipherText;  

    }  

    public byte[] encrypt(byte[] plainText, byte[] key, byte [] initialVector) throws NoSuchAlgorithmException, 
                                                                                      NoSuchPaddingException, 
                                                                                      InvalidKeyException, 
                                                                                      InvalidAlgorithmParameterException, 
                                                                                      IllegalBlockSizeException, 
                                                                                      BadPaddingException  
    {
        Cipher cipher = Cipher.getInstance(cipherTransformation);  

        SecretKeySpec secretKeySpec = new SecretKeySpec(key, aesEncryptionAlgorithm);  

        IvParameterSpec ivParameterSpec = new IvParameterSpec(initialVector);  

        cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec, ivParameterSpec);  

        plainText = cipher.doFinal(plainText);  

        return plainText;  
    }  

    private byte[] getKeyBytes(String key) throws UnsupportedEncodingException
    {       
        byte[] keyBytes= new byte[16];  

        byte[] parameterKeyBytes= key.getBytes(characterEncoding);  

        System.arraycopy(parameterKeyBytes, 0, keyBytes, 0, Math.min(parameterKeyBytes.length, keyBytes.length));  

        return keyBytes;  
    }  

    /// <summary>  
    /// Encrypts plaintext using AES 128bit key and a Chain Block Cipher and returns a base64 encoded string  
    /// </summary>  
    /// <param name="plainText">Plain text to encrypt</param>  
    /// <param name="key">Secret key</param>  
    /// <returns>Base64 encoded string</returns>  

   public String encrypt(String plainText, String key) throws UnsupportedEncodingException, 
                                                              InvalidKeyException, 
                                                              NoSuchAlgorithmException, 
                                                              NoSuchPaddingException, 
                                                              InvalidAlgorithmParameterException, 
                                                              IllegalBlockSizeException, BadPaddingException
   {
       byte[] plainTextbytes = plainText.getBytes(characterEncoding);  

       byte[] keyBytes = getKeyBytes(key);  

       return Base64.encodeToString(encrypt(plainTextbytes,keyBytes, keyBytes), Base64.DEFAULT);  

   }  

   /// <summary>  
   /// Decrypts a base64 encoded string using the given key (AES 128bit key and a Chain Block Cipher)  
   /// </summary>  
   /// <param name="encryptedText">Base64 Encoded String</param>  
   /// <param name="key">Secret Key</param> 
   /// <returns>Decrypted String</returns>
   public String decrypt(String encryptedText, String key) throws KeyException, 
                                                                  GeneralSecurityException, 
                                                                  GeneralSecurityException, 
                                                                  InvalidAlgorithmParameterException, 
                                                                  IllegalBlockSizeException, 
                                                                  BadPaddingException, 
                                                                  IOException
   {
       byte[] cipheredBytes = Base64.decode(encryptedText, Base64.DEFAULT);  

       byte[] keyBytes = getKeyBytes(key);  

       return new String(decrypt(cipheredBytes, keyBytes, keyBytes), characterEncoding);  
   } 

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Re: (Encryption Package) error: cannot find symbol   symbol: class BaseNCode clusardi2k@aol.com - 2012-08-29 08:05 -0700

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