* @param data the data to calculate the MAC for
     * @return the calculated MAC bytes
     * @throws GeneralSecurityException if cryptographic operations fail
     */
    public static byte[] calculateMacArcfourHMACMD5(int keyusage, Key key, byte[] data) throws GeneralSecurityException {
        int ms_usage = mapArcfourMD5KeyUsage(keyusage);
        Mac mac = Mac.getInstance("HmacMD5");

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

@file:JvmName("Certificates")

package okhttp3.tls

import java.security.GeneralSecurityException
import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.toByteString

/**

    /**
     * Test method for
     * {@link jcifs.pac.PacMac#calculateMacArcfourHMACMD5(int, java.security.Key, byte[])}.
     *
     * @throws GeneralSecurityException
     */
    @Test
    void testCalculateMacArcfourHMACMD5() throws GeneralSecurityException {
        // Using a key with a known value for reproducibility
        SecretKeySpec key = new SecretKeySpec(new byte[16], "ARCFOUR");

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.tls.internal.der

import java.math.BigInteger
import java.security.GeneralSecurityException
import java.security.PublicKey
import java.security.Signature
import java.security.SignatureException
import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import okio.Buffer

    }

    /**
     * Test decrypt with RC4 encryption.
     *
     * @throws GeneralSecurityException if a security error occurs
     */
    @Test
    void testDecryptRc4() throws GeneralSecurityException {
        // This is a simplified test and does not use real encrypted data from Kerberos
        // It mainly tests the decryption logic path

     * @throws SmbException if an SMB protocol error occurs
     * @throws GeneralSecurityException if a security error occurs during authentication
     */
    public SmbComSessionSetupAndX(final CIFSContext tc, final SmbComNegotiateResponse negotiated, final ServerMessageBlock andx,
            final Object cred) throws SmbException, GeneralSecurityException {
        super(tc.getConfig(), SMB_COM_SESSION_SETUP_ANDX, andx);

package okhttp3.sample;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.SecureRandom;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import okhttp3.mockwebserver.Dispatcher;

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.tls

import java.security.GeneralSecurityException
import java.security.cert.Certificate
import java.security.cert.X509Certificate
import java.util.ArrayDeque
import java.util.Deque
import javax.net.ssl.SSLPeerUnverifiedException

/**

import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.FuturesGetChecked.GetCheckedTypeValidator;
import java.io.IOException;
import java.net.URISyntaxException;
import java.security.GeneralSecurityException;
import java.security.KeyException;
import java.util.ArrayList;
import java.util.List;
import java.util.TooManyListenersException;
import java.util.concurrent.BrokenBarrierException;

 */
package jcifs.pac.kerberos;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.login.LoginException;