*/
    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
     */

                    }
                }

                MessageDigest hmac = Crypto.getHMACT64(ntHash);
                hmac.update(Strings.getUNIBytes(this.username.toUpperCase()));
                hmac.update(Strings.getUNIBytes(this.domain.toUpperCase()));
                byte[] ntlmv2Hash = hmac.digest();
                hmac = Crypto.getHMACT64(ntlmv2Hash);
                hmac.update(chlng);

        }
        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);
    }

            // Unicode requires word alignment
            if ( ( ( dstIndex - this.headerStart ) % 2 ) != 0 ) {
                dst[ dstIndex++ ] = (byte) '\0';
            }
            System.arraycopy(Strings.getUNIBytes(str), 0, dst, dstIndex, str.length() * 2);
            dstIndex += str.length() * 2;
            dst[ dstIndex++ ] = (byte) '\0';
            dst[ dstIndex++ ] = (byte) '\0';
        }
        else {