}

    /** Simple test stub of {@link ServerData} */
    private static class ServerDataStub extends ServerData {
        public ServerDataStub() {
            this.security = SmbConstants.SECURITY_USER;
            this.encryptedPasswords = false;
            this.encryptionKey = new byte[0];
        }
    }

    @Test
    void anonymousGuestCredentials() throws Exception {

///

## Utilidades de **FastAPI**

FastAPI proporciona varias herramientas para cada uno de estos esquemas de seguridad en el módulo `fastapi.security` que simplifican el uso de estos mecanismos de seguridad.

En los siguientes capítulos verás cómo agregar seguridad a tu API usando esas herramientas proporcionadas por **FastAPI**.

     * Any change to the extended attributes (EA) of a file in the watched directory or subtree causes a change notification wait operation to return.
     */
    int FILE_NOTIFY_CHANGE_EA = 0x00000080;

    /**
     * Any security-descriptor change in the watched directory or subtree causes a change notification wait operation to
     * return.
     */
    int FILE_NOTIFY_CHANGE_SECURITY = 0x00000100;

    /**

///

## Преимущества **FastAPI**

Fast API предоставляет несколько инструментов для каждой из этих схем безопасности в модуле `fastapi.security`, которые упрощают использование этих механизмов безопасности.

В следующих главах вы увидите, как обезопасить свой API, используя инструменты, предоставляемые **FastAPI**.

            buf.setIndex(0);
            this.securityProvider.wrap(buf);
        }
        return buf;
    }

    /**
     * Sets the DCERPC security provider for authentication and message protection
     * @param securityProvider the security provider to use for DCERPC authentication
     */
    public void setDcerpcSecurityProvider(final DcerpcSecurityProvider securityProvider) {

import assertk.assertions.isFalse
import assertk.assertions.isInstanceOf
import assertk.assertions.isTrue
import java.io.ByteArrayInputStream
import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import javax.net.ssl.SSLSession
import javax.security.auth.x500.X500Principal
import okhttp3.FakeSSLSession
import okhttp3.OkHttpClient
import okhttp3.internal.canParseAsIpAddress

    `@Deprecated` APIs will remain (again, unless they are `@Beta`). We have no
    plans to start removing things again, but officially, we're leaving our
    options open in case of surprises (like, say, a serious security problem).

3.  Guava has one dependency that is needed for linkage at runtime:
    `com.google.guava:failureaccess:1.0.3`. It also has
    [some annotation-only dependencies][guava-deps], which we discuss in more

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verifyNoMoreInteractions;

import java.util.stream.Stream;

import javax.security.auth.Subject;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

        assertEquals(ResolverType.RESOLVER_BCAST, resolveOrder.get(1));
        assertEquals(ResolverType.RESOLVER_DNS, resolveOrder.get(2));
    }

    @Test
    @DisplayName("Should handle security properties")
    void testSecurityProperties() throws CIFSException {
        // Given
        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.signingEnforced", "true");

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Credentials;

/**
 * Security-focused test cases for SmbSessionImpl to verify race condition fixes.
 */
public class SmbSessionImplSecurityTest {

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;