ASN1EncodableVector encPart = new ASN1EncodableVector();
        encPart.add(new DERTaggedObject(true, 0, new ASN1Integer(encType)));
        // Add kvno (key version number) field that is optional but expected when accessing index 2
        encPart.add(new DERTaggedObject(true, 1, new ASN1Integer(1))); // kvno
        encPart.add(new DERTaggedObject(true, 2, new DEROctetString(encryptedData)));
        v.add(new DERTaggedObject(true, 3, new DERSequence(encPart)));

    @DisplayName("seq ctor: invalid pvno values throw")
    void sequenceConstructor_invalidVersion_throws(int badPvno) throws Exception {
        // Arrange: Build sequence with invalid version and otherwise valid tags
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(new DERTaggedObject(true, 0, new ASN1Integer(badPvno))); // wrong pvno

            ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields.nextElement());
            switch (tagged.getTagNo()) {
            case 0:
                ASN1Integer pvno = ASN1Util.as(ASN1Integer.class, tagged);
                if (!pvno.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_VERSION))) {
                    throw new PACDecodingException("Invalid kerberos version");
                }
                break;

    void testConstructorWithWrongTagClass() throws IOException {
        // Create AP-REQ structure
        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

Josh Beal, jtressle, Julian Niedermeier, Junqin Zhang, Justin Dujardin, Justin
Tunis, jwu, K. Hodges, kaixih, Kaixi Hou, kjopek, Karl Lessard, Karl
Weinmeister, Karthik Muthuraman, Kashif Rasul, Kay Zhu, Kbhute-Ibm, KDR, Keno
Fischer, Kevin Mader, khanhlvg, Kilaru Yasaswi Sri Chandra Gandhi, Koan-Sin Tan,
Koock Yoon, kouml, ktaebum, Kyuwon Kim, Lakshay Tokas, Laurent Le Brun,
leike666666, leonard951, Leslie-Fang, Letian Kang, Li, Guizi, Loo Rong Jie,