question: public static byte [ ] encrypt ( byte [ ] unencryptedByteData , char [ ] password , byte [ ] salt ) throws EncryptionException { byte [ ] encryptedData = encryptData ( unencryptedByteData , password , salt ) ; encryptedData = ( encryptedData == null ) ? new byte [ ] { } : encryptedData ; byte [ ] encryptedDataWithSaltPrefix = new byte [ encryptedData . length + IEncryptionService . CRYPTO_SALT_DEFAULT_LENGTH ] ; System . arraycopy ( salt , 0 , encryptedDataWithSaltPrefix , 0 , salt . length ) ; System . arraycopy ( encryptedData , 0 , encryptedDataWithSaltPrefix , salt . length , encryptedData . length ) ; return encryptedDataWithSaltPrefix ; }
target:  Encrypts the given byte data with the given password using the AES algorithm.