authDataVector.add(new DERSequence(authElementVector));
        vector.add(new DERTaggedObject(10, new DERSequence(authDataVector)));

        DERSequence sequence = new DERSequence(vector);
        byte[] encoded = new DERTaggedObject(false, BERTags.APPLICATION, 1, sequence).getEncoded();

        KerberosEncData encData = new KerberosEncData(encoded, Collections.emptyMap());

        ASN1Sequence apReqSequence = new DERSequence(new ASN1Encodable[] { new DERTaggedObject(true, 0, new ASN1Integer(5)), // pvno
                new DERTaggedObject(true, 1, new ASN1Integer(14)), // msg-type
        });

        // Create CONTEXT tagged object instead of APPLICATION
        DERTaggedObject contextTag = new DERTaggedObject(false, 14, apReqSequence);

        // Build inner content with OID and magic bytes

        elementVector1.add(new DERTaggedObject(0, new ASN1Integer(1)));
        elementVector1.add(new DERTaggedObject(1, new DEROctetString(new byte[] { 0x01 })));
        authVector.add(new DERSequence(elementVector1));

        ASN1EncodableVector elementVector2 = new ASN1EncodableVector();
        elementVector2.add(new DERTaggedObject(0, new ASN1Integer(2)));

                fields.add(new DERTaggedObject(true, 2, new DEROctetString(mechanismToken)));
            }
            final byte[] mechanismListMIC = getMechanismListMIC();
            if (mechanismListMIC != null) {
                fields.add(new DERTaggedObject(true, 3, new DEROctetString(mechanismListMIC)));
            }
            der.writeObject(new DERTaggedObject(true, 1, new DERSequence(fields)));

import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.DLSequence;
import org.junit.jupiter.api.Test;

/**
 * Tests for the {@link ASN1Util} class.
 */
class ASN1UtilTest {

    // --- as(Class, Object) ---

    @Test