protected static final String SPNEGO_LOGIN_CONF = "spnego.login.conf";

    /** Configuration key for SPNEGO logger level. */
    protected static final String SPNEGO_LOGGER_LEVEL = "spnego.logger.level";

    /** The underlying SPNEGO authenticator instance. */
    protected org.codelibs.spnego.SpnegoAuthenticator authenticator = null;

    /**
     * Constructs a new SPNEGO authenticator.
     */

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.spnego;

import java.io.IOException;

/**
 * Abstract base class for SPNEGO authentication tokens used in GSS-API negotiation
 */
public abstract class SpnegoToken {

    /**
     * Protected constructor for SPNEGO token implementations.
     */
    protected SpnegoToken() {
    }

import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.spnego.NegTokenInit;
import jcifs.spnego.NegTokenTarg;
import jcifs.spnego.SpnegoException;
import jcifs.spnego.SpnegoToken;
import jcifs.util.Hexdump;

/**
 * This class used to wrap a {@link SSPContext} to provide SPNEGO feature.
 *
 * @author Shun
 *
 */
class SpnegoContext implements SSPContext {

import org.lastaflute.web.login.credential.LoginCredential;

/**
 * SPNEGO authentication credential implementation.
 *
 * This class represents login credentials obtained through SPNEGO (Security Provider
 * Negotiation Protocol) authentication. It contains the username extracted from the
 * SPNEGO authentication process, typically from a Kerberos ticket.
 */

                throw new IOException("Malformed SPNEGO token " + constructed);
            }

            final ASN1Sequence vec = (ASN1Sequence) constructed.getBaseObject();

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

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.spnego;

import jcifs.CIFSException;

/**
 * Exception thrown during SPNEGO authentication processing.
 *
 * This exception indicates an error in SPNEGO token processing,
 * negotiation, or authentication flow.
 *
 * @author mbechler
 */
public class SpnegoException extends CIFSException {

package jcifs.spnego;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.spnego;

/**
 * Constants for SPNEGO authentication mechanism OIDs used in GSS-API negotiations
 */
public interface SpnegoConstants {

    /**
     * OID for the SPNEGO mechanism
     */
    String SPNEGO_MECHANISM = "1.3.6.1.5.5.2";

    /**
     * OID for the Kerberos v5 mechanism
     */

import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;

/**
 * SPNEGO response token (NegTokenTarg) used in SPNEGO authentication exchanges
 */
public class NegTokenTarg extends SpnegoToken {

    /**
     * Result code indicating unspecified result
     */
    public static final int UNSPECIFIED_RESULT = -1;

    @Mock
    Configuration config;

    @Mock
    SSPContext mechContext;

    private ASN1ObjectIdentifier[] mechs;

    @BeforeEach
    void setup() {
        // Default: do not enforce or disable SPNEGO integrity
        when(this.config.isEnforceSpnegoIntegrity()).thenReturn(false);
        when(this.config.isDisableSpnegoIntegrity()).thenReturn(false);