* from Active Directory Kerberos tickets.
 */
public class Pac {

    private static final Logger log = LoggerFactory.getLogger(Pac.class);

    private PacLogonInfo logonInfo;
    private PacCredentialType credentialType;
    private PacSignature serverSignature;
    private PacSignature kdcSignature;

    /**

        try (MockedConstruction<Pac> pacMock = Mockito.mockConstruction(Pac.class, (mock, context) -> {
            // Setup mock behavior
            PacLogonInfo mockLogonInfo = Mockito.mock(PacLogonInfo.class);
            PacSignature mockServerSig = Mockito.mock(PacSignature.class);
            PacSignature mockKdcSig = Mockito.mock(PacSignature.class);

            writeLittleEndianInt(baos, PacSignature.KERB_CHECKSUM_HMAC_MD5);
            baos.write(mockChecksum);

            byte[] pacData = baos.toByteArray();

            // This will likely fail on PacLogonInfo parsing, but at least tests the basic structure
            try {
                Pac pac = new Pac(pacData, keys);
                assertNotNull(pac.getServerSignature());