*/
    public static byte[] nTOWFv2 ( String domain, String username, byte[] passwordHash ) {
        MessageDigest hmac = Crypto.getHMACT64(passwordHash);
        hmac.update(Strings.getUNIBytes(username.toUpperCase()));
        hmac.update(Strings.getUNIBytes(domain));
        return hmac.digest();
    }


    /**
     * @param password
     * @return nt password hash
     */

        }
        return str.getBytes(encoding);
    }


    /**
     * 
     * @param str
     * @return the string as bytes (UTF16-LE)
     */
    public static byte[] getUNIBytes ( String str ) {
        return getBytes(str, UNI_ENCODING);
    }


    /**
     * 
     * @param str
     * @return the string as bytes (ASCII)
     */

        i += 4;
        Encdec.enc_uint32le(0, this.buf, i);
        i += 4;
        Encdec.enc_uint32le(len + 1, this.buf, i);
        i += 4;
        System.arraycopy(Strings.getUNIBytes(s), 0, this.buf, i, len * 2);
        i += len * 2;
        this.buf[ i++ ] = (byte) '\0';
        this.buf[ i++ ] = (byte) '\0';
        advance(i - this.index);
    }