ASN1Integer encType = ASN1Util.as(ASN1Integer.class, ASN1Util.as(ASN1TaggedObject.class, encSequence, 0));
                DEROctetString encOctets = ASN1Util.as(DEROctetString.class, ASN1Util.as(ASN1TaggedObject.class, encSequence, 2));
                byte[] crypt = encOctets.getOctets();

                if (keys == null) {
                    try {

        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)));
        elementVector2.add(new DERTaggedObject(1, new DEROctetString(new byte[] { 0x02 })));

            if (mechanismToken != null) {
                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)));
            }

            if (mechanismToken != null) {
                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)));
            }

            final ASN1EncodableVector ev = new ASN1EncodableVector();

            ASN1Integer authType = ASN1Util.as(ASN1Integer.class, ASN1Util.as(ASN1TaggedObject.class, authElement, 0));
            DEROctetString authData = ASN1Util.as(DEROctetString.class, ASN1Util.as(ASN1TaggedObject.class, authElement, 1));

            this.authorizations.addAll(KerberosAuthData.parse(authType.getValue().intValue(), authData.getOctets(), keys));
        }
    }

                    ASN1Integer addressType = ASN1Util.as(ASN1Integer.class, addressSequence, 0);
                    DEROctetString addressOctets = ASN1Util.as(DEROctetString.class, addressSequence, 1);

                    this.userAddresses = new ArrayList<>();
                    if (addressType.getValue().intValue() == KerberosConstants.AF_INTERNET) {

        }
        if (mechToken != null) {
            fields.add(new DERTaggedObject(true, 2, new DEROctetString(mechToken)));
        }
        if (mic != null) {
            int tag = micInTag4 ? 4 : 3;
            fields.add(new DERTaggedObject(true, tag, new DEROctetString(mic)));
        }
        if (extraField != null) {
            fields.add(extraField);
        }

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.BERTags;
import org.bouncycastle.asn1.DERGeneralString;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.junit.jupiter.api.Test;

import jcifs.pac.PACDecodingException;

/**
 * Tests for KerberosEncData.
 */

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.BERTags;
import org.bouncycastle.asn1.DERGeneralString;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.BERSequence;
import org.bouncycastle.asn1.BERTags;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;