final MessageDigest hmac = Crypto.getHMACT64(passwordHash);
        hmac.update(Strings.getUNIBytes(username.toUpperCase()));
        hmac.update(Strings.getUNIBytes(domain));
        return hmac.digest();
    }

    /**
     * Generates the NT password hash for the given password.
     *
     * @param password the password to hash

    }

    @Nested
    @DisplayName("Unicode and ASCII Encoding")
    class UnicodeAndASCIITests {

        @Test
        @DisplayName("getUNIBytes should encode string as UTF-16LE")
        void testGetUNIBytes() {
            // When
            byte[] result = Strings.getUNIBytes(TEST_STRING);

            // Then
            assertNotNull(result, "Result should not be null");

        byte[] shortNameBytes = Strings.getUNIBytes(shortName);
        buffer[68] = (byte) shortNameBytes.length; // shortNameLength
        System.arraycopy(shortNameBytes, 0, buffer, 70, Math.min(shortNameBytes.length, 24));

        // Write filename
        if (unicode) {
            byte[] filenameBytes = Strings.getUNIBytes(filename);

        }

        @Test
        @DisplayName("Test read string with Unicode")
        void testReadStringUnicode() {
            testBlock.setUseUnicode(true);
            byte[] buffer = Strings.getUNIBytes("Test\0");

            String result = testBlock.readString(buffer, 0);

            assertEquals("Test", result);
        }

        @Test
        @DisplayName("Test read string without Unicode")

                    }
                }

                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);

    }

    /**
     * Encodes a string into UTF-16LE (Unicode Little Endian) bytes.
     *
     * @param str the string to encode
     * @return the string as bytes (UTF16-LE)
     */
    public static byte[] getUNIBytes(final String str) {
        return getBytes(str, UNI_ENCODING);
    }

    /**
     * Encodes a string into ASCII bytes.
     *
     * @param str the string to encode
     * @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';
        i++;
        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';
            dstIndex++;
            dst[dstIndex++] = (byte) '\0';
        } else {