PBE Blowfish

Question

I use a code to crypt a string , but I'dont undertand if is 128 bit encryption or not, and if is not how i can change my code
thanks
import org.bouncycastle.crypto.*;
import org.bouncycastle.crypto.engines.*;
import org.bouncycastle.crypto.modes.*;
import org.bouncycastle.crypto.params.*;
public class Encryptor {
private BufferedBlockCipher cipher;
private KeyParameter key;
// Initialize the cryptographic engine.
// The key array should be at least 8 bytes long.
public Encryptor( byte[] key ){
cipher = new PaddedBlockCipher(
new CBCBlockCipher(
new BlowfishEngine() ) );
this.key = new KeyParameter( key );
// Initialize the cryptographic engine.
// The string should be at least 8 chars long.
public Encryptor( String key ){
this( key.getBytes() );
// Private routine that does the gritty work.
private byte[] callCipher( byte[] data )
throws CryptoException {
int size =
cipher.getOutputSize( data.length );
byte[] result = new byte[ size ];
int olen = cipher.processBytes( data, 0,
data.length, result, 0 );
olen += cipher.doFinal( result, olen );
if( olen < size ){
byte[] tmp = new byte[ olen ];
System.arraycopy(
result, 0, tmp, 0, olen );
result = tmp;
return result;
// Encrypt arbitrary byte array, returning the
// encrypted data in a different byte array.
public synchronized byte[] encrypt( byte[] data )
throws CryptoException {
if( data == null || data.length == 0 ){
return new byte[0];
cipher.init( true, key );
return callCipher( data );
// Encrypts a string.
public byte[] encryptString( String data )
throws CryptoException {
if( data == null || data.length() == 0 ){
return new byte[0];
return encrypt( data.getBytes() );
// Decrypts arbitrary data.
public synchronized byte[] decrypt( byte[] data )
throws CryptoException {
if( data == null || data.length == 0 ){
return new byte[0];
cipher.init( false, key );
return callCipher( data );
// Decrypts a string that was previously encoded
// using encryptString.
public String decryptString( byte[] data )
throws CryptoException {
if( data == null || data.length == 0 ){
return "";
return new String( decrypt( data ) );
Martina

Answer 1

please help me!
thanks