hmac.update(serverChallenge);
        hmac.update(clientData, offset, length);
        final byte[] mac = hmac.digest();
        final byte[] ret = new byte[mac.length + clientData.length];
        System.arraycopy(mac, 0, ret, 0, mac.length);
        System.arraycopy(clientData, 0, ret, mac.length, clientData.length);
        return ret;
    }

    /**

    }

    @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")

        final int namesLength = this.numberOfNames * 18;
        final int statsLength = this.rDataLength - namesLength - 1;
        this.numberOfNames = src[srcIndex] & 0xFF;
        srcIndex++;
        // gotta read the mac first so we can populate addressArray with it
        System.arraycopy(src, srcIndex + namesLength, this.macAddress, 0, 6);
        srcIndex += readNodeNameArray(src, srcIndex);
        this.stats = new byte[statsLength];

application/futuresplash       spl              # Macromedia Flash
application/hep                hep              # Hummingbird Host Explorer Profiles
application/lotus-123          wks              # Lotus 123
application/mac-binhex40       hqx              # Macintosh binhexed archives
application/mspowerpoint       ppt              # Microsoft Powerpoint
application/msword             doc              # Microsoft Word

        // Assert: overloads consistent
        assertArrayEquals(viaHash, viaPassword, "Both overloads must compute same NTLMv2 key");

        // Changing domain should change the key (domain is part of MAC input)
        byte[] differentDomain = NtlmUtil.nTOWFv2("DOMAIN", user, password);
        assertFalse(Arrays.equals(viaPassword, differentDomain), "Different domain should produce a different key");
    }

    @Test

        final byte[] sk = this.masterKey;
        if (sk == null) {
            return;
        }
        final MessageDigest mac = Crypto.getHMACT64(sk);
        mac.update(type1);
        mac.update(type2);
        final byte[] type3 = toByteArray();
        mac.update(type3);
        setMic(mac.digest());
    }

    /**
     * Creates a Type-3 message with the specified parameters.
     *
     * @param flags

        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() {

        final int namesLength = numberOfNames * 18;
        final int statsLength = rDataLength - namesLength - 1;
        numberOfNames = src[srcIndex] & 0xFF;
        srcIndex++;
        // gotta read the mac first so we can populate addressArray with it
        System.arraycopy(src, srcIndex + namesLength, macAddress, 0, 6);
        srcIndex += readNodeNameArray(src, srcIndex);
        stats = new byte[statsLength];

 * https://lauri.võsandi.com/2017/03/yubikey-for-ssh-auth.html
 *
 * Using PKCS11 support in the JDK.
 * https://tersesystems.com/blog/2018/09/08/keymanagers-and-keystores/
 *
 * Install OpenSC separately. On a mac `brew cast install opensc`.
 */
@SuppressSignatureCheck
class YubikeyClientAuth {
  fun run() {
    // The typical PKCS11 slot, may vary with different hardware.
    val slot = 0

        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 {