final byte[] seqBytes = new byte[4];
        SMBUtil.writeInt4(seqNum, seqBytes, 0);

        final MessageDigest mac = Crypto.getHMACT64(sk);
        mac.update(seqBytes); // sequence
        mac.update(data); // data
        final byte[] dgst = mac.digest();
        byte[] trunc = new byte[8];
        System.arraycopy(dgst, 0, trunc, 0, 8);

        if (log.isDebugEnabled()) {

 * JMORRIS2        <03>  UNIQUE      Registered
 * JMORRIS2        <20>  UNIQUE      Registered
 * BILLING-NY      <1E>  GROUP       Registered
 * JMORRIS         <03>  UNIQUE      Registered
 *
 * MAC Address = 00-B0-34-21-FA-3B
 * </pre>
 *
 * </blockquote>
 *
 *  * The hostname of this machine is <code>JMORRIS2</code>. It is
 * a member of the group(a.k.a workgroup and domain) <code>BILLING-NY</code>. To

            Mac mac = Mac.getInstance("HmacSHA256");
            mac.init(new SecretKeySpec(sessionKey, "HmacSHA256"));

            // Zero signature field for calculation
            Arrays.fill(data, SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH, (byte) 0);
            mac.update(data, 0, data.length);
            byte[] validSig = mac.doFinal();

    }

    @Test
    public void test_getUserAgentType_Safari() {
        getMockRequest().addHeader("user-agent",
                "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/600.8.9 (KHTML, like Gecko) Version/8.0.8 Safari/600.8.9");
        assertEquals(UserAgentType.SAFARI, userAgentHelper.getUserAgentType());
    }

    @Test

        assertEquals(0, NbtAddress.B_NODE);
        assertEquals(1, NbtAddress.P_NODE);
        assertEquals(2, NbtAddress.M_NODE);
        assertEquals(3, NbtAddress.H_NODE);

        // Test unknown MAC address constant
        assertNotNull(NbtAddress.UNKNOWN_MAC_ADDRESS);
        assertEquals(6, NbtAddress.UNKNOWN_MAC_ADDRESS.length);
    }

    @Test
    void testConstantsAreImmutable() {

        Key macKey = new SecretKeySpec(key.clone(), KerberosConstants.HMAC_ALGORITHM);
        Mac mac = Mac.getInstance(KerberosConstants.HMAC_ALGORITHM);
        mac.init(macKey);
        return mac.doFinal(data);
    }

    /**
     * Returns the user's Kerberos realm.
     *
     * @return the user realm
     */
    public String getUserRealm() {

    }

    @Test
    @DisplayName("Test constructor with MAC signing key and bypass flag")
    void testConstructorWithBypass() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey, true);
        assertNotNull(digest);
        assertTrue(digest.toString().contains("MacSigningKey="));
    }

    @Test
    @DisplayName("Test constructor with MAC signing key, bypass flag and initial sequence")

        "Windows",
        androidHome = """C:\Program Files\android\sdk""",
        jprofilerHome = """C:\Program Files\jprofiler\jprofiler11.1.4""",
        perfTestWorkingDir = "P:/",
    ),
    MACOS(
        "Mac",
        androidHome = "/opt/android/sdk",
        jprofilerHome = "/Applications/JProfiler11.1.4.app",
        defaultArch = Arch.AARCH64,
    ),
    ;

    fun escapeKeyValuePair(
        key: String,

aes128-ctr
aes192-ctr
aes256-ctr
******@****.***
******@****.***
******@****.***
arcfour256
arcfour128
arcfour
aes128-cbc
3des-cbc
```

`--sftp=mac-algos=...` specifies a default set of MAC algorithms in preference order.
This is based on RFC 4253, section 6.4, but with hmac-md5 variants removed because they have 
reached the end of their useful life.

Valid values: 

```

        checkNodeStatusData();
        return isPermanent;
    }

    /**
     * Retrieves the MAC address of the remote network interface. Samba returns all zeros.
     *
     * @return the MAC address as an array of six bytes
     * @throws UnknownHostException if the host cannot be resolved to
     * determine the MAC address.
     */

    public byte[] getMacAddress() throws UnknownHostException {