*/
package jcifs.pac.kerberos;

/**
 * Constants used in Kerberos protocol implementation.
 */
public interface KerberosConstants {

    /** Kerberos OID identifier */
    String KERBEROS_OID = "1.2.840.113554.1.2.2";
    /** Kerberos protocol version */
    String KERBEROS_VERSION = "5";

    /** Kerberos AP-REQ message type */
    String KERBEROS_AP_REQ = "14";

     * @param mechanism the security mechanism OID to check
     * @return whether the specified mechanism is supported
     */
    boolean isSupported(ASN1ObjectIdentifier mechanism);

    /**
     * Checks whether the specified mechanism is the preferred mechanism.
     * @param selectedMech the selected mechanism OID
     * @return whether the specified mechanism is preferred
     */

    /**
     * The NTLMSSP OID (1.3.6.1.4.1.311.2.2.10) used in SPNEGO negotiation.
     */
    public static ASN1ObjectIdentifier NTLMSSP_OID;

    static {
        try {
            NTLMSSP_OID = new ASN1ObjectIdentifier("1.3.6.1.4.1.311.2.2.10");
        } catch (final IllegalArgumentException e) {
            log.error("Failed to parse OID", e);
        }
    }

    static {
        try {
            SPNEGO_MECH_OID = new ASN1ObjectIdentifier("1.3.6.1.5.5.2");
        } catch (final IllegalArgumentException e) {
            log.error("Failed to initialize OID", e);
        }
    }

    private final SSPContext mechContext;

    private boolean firstResponse = true;
    private boolean completed;

    private ASN1ObjectIdentifier[] mechs;

            final ASN1ObjectIdentifier spnego = (ASN1ObjectIdentifier) vec.getObjectAt(0);
            if (!SPNEGO_OID.equals(spnego)) {
                throw new IOException("Malformed SPNEGO token, OID " + spnego);
            }
            ASN1TaggedObject tagged = (ASN1TaggedObject) vec.getObjectAt(1);
            if (tagged.getTagNo() != 0) {

    }

    private SpnegoContext newContext() {
        return new SpnegoContext(this.config, this.mechContext, this.mechs);
    }

    @Test
    @DisplayName("getSupportedMechs returns SPNEGO OID")
    void testGetSupportedMechs() {
        SpnegoContext ctx = newContext();
        ASN1ObjectIdentifier[] supported = ctx.getSupportedMechs();
        assertNotNull(supported);
        assertEquals(1, supported.length);