* Derive a new key from an existing key
     *
     * @param baseKey the base key
     * @param label key derivation label
     * @param context key derivation context
     * @param length desired key length in bytes
     * @return derived key
     * @throws GeneralSecurityException if key derivation fails
     */
    public byte[] deriveKey(byte[] baseKey, String label, byte[] context, int length) throws GeneralSecurityException {

        }
    }

    @Nested
    @DisplayName("Interface Method Contract Tests")
    class InterfaceMethodContractTests {

        @Test
        @DisplayName("Should define getSID method returning SID")
        void shouldDefineMethods() {
            ACE ace = mock(ACE.class);
            SID mockSid = mock(SID.class);
            when(ace.getSID()).thenReturn(mockSid);

    /**
     * Test method for {@link NtlmHttpServletRequest#getRemoteUser()}.
     * Verifies that the method returns the name of the principal.
     */
    @Test
    void testGetRemoteUser() {
        // Arrange: Define the expected user name from the principal
        String expectedUserName = "testUser";
        when(mockPrincipal.getName()).thenReturn(expectedUserName);

        // Act: Call the method under test

    /**
     * LDAP base DN (Distinguished Name) for user searches.
     * Defines the root of the LDAP directory tree for user lookups.
     */
    @Size(max = 1000)
    public String ldapBaseDn;

    /**
     * LDAP filter for finding user accounts.
     * Defines the search filter used to locate user accounts in LDAP.
     */
    @Size(max = 1000)

    // flags is NOT the same as flags member

    /**
     * Constructs an Open AndX request.
     *
     * @param config the configuration
     * @param fileName the name of the file to open
     * @param access the desired access mode
     * @param shareAccess the share access mode
     * @param flags the open flags
     * @param fileAttributes the file attributes
     * @param andx the next command in the chain
     */

        final DerivationParameters param = new KDFCounterParameters(sessionKey, null /* prefix */, suffix /* suffix */, r /* r */);
        gen.init(param);

        final byte[] derived = new byte[16];
        gen.generateBytes(derived, 0, 16);
        return derived;
    }

    /**
     * @param string
     * @return null terminated ASCII bytes
     */
    private static byte[] toCBytes(final String string) {

 */
@DisplayName("CloseableIterator Tests")
class CloseableIteratorTest extends BaseTest {

    @Mock
    private CloseableIterator<SmbResource> mockIterator;

    @Test
    @DisplayName("Should define close method")
    void testCloseMethod() throws CIFSException {
        // When
        mockIterator.close();

        // Then
        verify(mockIterator).close();
    }

    @Test

	} unicode_string;

	/* 
	 * typedef struct _SID_IDENTIFIER_AUTHORITY {
	 *     UCHAR Value[6];
	 * } SID_IDENTIFIER_AUTHORITY, *PSID_IDENTIFIER_AUTHORITY;
	 * 
	 * #define SECURITY_NT_AUTHORITY           {0,0,0,0,0,5}
	 * 
	 * typedef struct _SID {
	 *    UCHAR Revision;
	 *    UCHAR SubAuthorityCount;
	 *    SID_IDENTIFIER_AUTHORITY IdentifierAuthority;

	} unicode_string;

	/* 
	 * typedef struct _SID_IDENTIFIER_AUTHORITY {
	 *     UCHAR Value[6];
	 * } SID_IDENTIFIER_AUTHORITY, *PSID_IDENTIFIER_AUTHORITY;
	 * 
	 * #define SECURITY_NT_AUTHORITY           {0,0,0,0,0,5}
	 * 
	 * typedef struct _SID {
	 *    UCHAR Revision;
	 *    UCHAR SubAuthorityCount;
	 *    SID_IDENTIFIER_AUTHORITY IdentifierAuthority;

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

/**
 * Interface for renewable SMB credentials.
 *
 * This interface defines methods for credentials that can be
 * automatically renewed during long-running operations.
 *
 * @author mbechler
 */
public interface SmbRenewableCredentials extends CredentialsInternal {

    /**