Error	1	'string' does not contain a definition for 'GetLength' and no extension method 'GetLength' accepting a first argument of type 'string' could be found (are you missing a using directive or an assembly reference?)	C:\Users\Admin\documents\visual studio 2010\Projects\Ganja C\Ganja C\Form1.cs	67	28	Ganja C

////////////////////
        //RC 4 chipper
        ////////////////////
        public byte[] RC4EncryptDecrypt(byte[] bytes, string key)
        {
        //Get key and be ascii
        byte[] Key = System.Text.Encoding.ASCII.GetBytes(key);
        byte[] s = new byte[256];
        byte[] k = new byte[256];
        byte temp;
        int i, j;
 
        for (i = 0; i < 256; i++)
        {
        s[i] = (byte)i;
        k[i] = key[i % key.GetLength(0)];
        }
 
       j = 0;
       for (i = 0; i < 256; i++)
       {
       j = (j + s[i] + k[i]) % 256;
       temp = s[i];
       s[i] = s[j];
       s[j] = temp;
       }
 
 
        i = j = 0;
        for (int x = 0; x < bytes.GetLength(0); x++)
        {
        i = (i + 1) % 256;
        j = (j + s[i]) % 256;
        temp = s[i];
        s[i] = s[j];
        s[j] = temp;
        int t = (s[i] + s[j]) % 256;
        bytes[x] ^= s[t];
        }
        return bytes;
    }
    }