}

    @Test
    @DisplayName("calculateMIC wraps GSSException into CIFSException")
    void calculateMIC_failure_wraps() throws Exception {
        byte[] data = new byte[] { 0 };
        when(gssContext.getMIC(any(), anyInt(), anyInt(), any())).thenThrow(new GSSException(GSSException.FAILURE));

        CIFSException ex = assertThrows(CIFSException.class, () -> ctx.calculateMIC(data));

        try {
            return this.gssContext.initSecContext(token, off, len);
        } catch (GSSException e) {
            throw new SmbAuthException("GSSAPI mechanism failed", e);
        }
    }

    Key searchSessionKey(Subject subject) throws GSSException {
        MIEName src = new MIEName(this.gssContext.getSrcName().export());

import javax.security.auth.kerberos.KerberosPrincipal;

import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.ietf.jgss.GSSContext;
import org.ietf.jgss.GSSCredential;
import org.ietf.jgss.GSSException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.spnego.NegTokenInit;

/**
 * Base kerberos authenticator
 *