/**
     * Checks if message signing is supported but not mandatory.
     *
     * @return whether signatures are supported but not required
     * @throws SmbException if an error occurs checking signing status
     */
    boolean isSigningOptional() throws SmbException;

    /**
     * Checks if message signing is mandatory for this connection.
     *

    }

    /**
     * Test that signing is properly configured
     */
    @Test
    public void testSigningConfiguration() throws CIFSException {
        BaseConfiguration config = new BaseConfiguration(true);

        // Verify IPC signing is enforced (this is a security requirement)
        assertTrue("IPC signing should be enforced for security", config.isIpcSigningEnforced());
    }

package jcifs.internal;

/**
 * Interface for SMB message signing and verification operations.
 * Provides cryptographic signing capabilities for SMB protocol messages to ensure
 * message integrity and authenticity using MAC (Message Authentication Code) algorithms.
 *
 * @author mbechler
 */
public interface SMBSigningDigest {

    /**
     * Performs MAC signing of the SMB. This is done as follows.

        assertFalse(result);
        verify(negotiationResponse).canReuse(null, false);
    }

    @Test
    @DisplayName("Test signing state combinations")
    void testSigningStateCombinations() {
        // Test all combinations of signing states

        // Signing disabled
        when(negotiationResponse.isSigningEnabled()).thenReturn(false);
        when(negotiationResponse.isSigningRequired()).thenReturn(false);

        assertTrue(context.isEstablished());
        assertArrayEquals(serverChallenge, context.getServerChallenge());
        // Signing key may or may not be generated depending on flags negotiation
        // The context negotiates flags with server, so we can't guarantee signing key
    }

    @Test
    void testInitSecContext_state2_withoutSigning() throws Exception {

    class NegotiationConstants {

        @Test
        @DisplayName("Signing enabled flag should be 0x0001")
        void testSigningEnabledFlag() {
            assertEquals(0x0001, Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED, "Signing enabled flag must be 0x0001");
        }

        @Test
        @DisplayName("Signing required flag should be 0x0002")
        void testSigningRequiredFlag() {

tasks.withType<Sign>().configureEach { isEnabled = signArtifacts }

signing {
    useInMemoryPgpKeys(
        project.providers.environmentVariable("PGP_SIGNING_KEY").orNull,
        project.providers.environmentVariable("PGP_SIGNING_KEY_PASSPHRASE").orNull
    )
    publishing.publications.configureEach {
        if (signArtifacts) {
            signing.sign(this)
        }
    }
}

fun configureJavadocVariant() {

 * operations during SMB authentication.
 *
 * @author mbechler
 */
public interface SSPContext {

    /**
     * Gets the signing key for the session.
     * @return the signing key for the session
     * @throws CIFSException if an error occurs retrieving the signing key
     */
    byte[] getSigningKey() throws CIFSException;

    /**
     * Checks whether the security context is established.

     * @throws CIFSException if an error occurs retrieving the buffer size
     */
    int getMaximumBufferSize() throws CIFSException;

    /**
     * Checks if SMB message signing is active for this session
     * @return whether the session uses SMB signing
     * @throws CIFSException if a general CIFS error occurs
     * @throws SmbException if an SMB-specific error occurs
     */
    boolean areSignaturesActive() throws CIFSException;

     * Gets the session key after successful authentication
     *
     * @return the session key or null if not available
     */
    byte[] getSessionKey();

    /**
     * Gets the signing key for SMB2/3
     *
     * @return the signing key or null if not available
     */
    byte[] getSigningKey();

    /**
     * Validates authentication credentials
     *
     * @return true if credentials are valid
     */