Example #1
0
  /**
   * Encodes an EncTicketPart object.
   *
   * @return byte array of encoded EncTicketPart object.
   * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
   * @exception IOException if an I/O error occurs while reading encoded data.
   */
  public byte[] asn1Encode() throws Asn1Exception, IOException {
    DerOutputStream bytes = new DerOutputStream();
    DerOutputStream temp = new DerOutputStream();
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), flags.asn1Encode());
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), key.asn1Encode());
    bytes.write(
        DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x02), cname.getRealm().asn1Encode());
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x03), cname.asn1Encode());
    bytes.write(
        DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x04), transited.asn1Encode());
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x05), authtime.asn1Encode());
    if (starttime != null) {
      bytes.write(
          DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x06), starttime.asn1Encode());
    }
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x07), endtime.asn1Encode());

    if (renewTill != null) {
      bytes.write(
          DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x08), renewTill.asn1Encode());
    }

    if (caddr != null) {
      bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x09), caddr.asn1Encode());
    }

    if (authorizationData != null) {
      bytes.write(
          DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x0A),
          authorizationData.asn1Encode());
    }
    temp.write(DerValue.tag_Sequence, bytes);
    bytes = new DerOutputStream();
    bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte) 0x03), temp);
    return bytes.toByteArray();
  }
Example #2
0
  private void init(DerValue encoding) throws Asn1Exception, IOException, RealmException {
    DerValue der, subDer;

    renewTill = null;
    caddr = null;
    authorizationData = null;
    if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x03)
        || (encoding.isApplication() != true)
        || (encoding.isConstructed() != true)) {
      throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    der = encoding.getData().getDerValue();
    if (der.getTag() != DerValue.tag_Sequence) {
      throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    flags = TicketFlags.parse(der.getData(), (byte) 0x00, false);
    key = EncryptionKey.parse(der.getData(), (byte) 0x01, false);
    Realm crealm = Realm.parse(der.getData(), (byte) 0x02, false);
    cname = PrincipalName.parse(der.getData(), (byte) 0x03, false, crealm);
    transited = TransitedEncoding.parse(der.getData(), (byte) 0x04, false);
    authtime = KerberosTime.parse(der.getData(), (byte) 0x05, false);
    starttime = KerberosTime.parse(der.getData(), (byte) 0x06, true);
    endtime = KerberosTime.parse(der.getData(), (byte) 0x07, false);
    if (der.getData().available() > 0) {
      renewTill = KerberosTime.parse(der.getData(), (byte) 0x08, true);
    }
    if (der.getData().available() > 0) {
      caddr = HostAddresses.parse(der.getData(), (byte) 0x09, true);
    }
    if (der.getData().available() > 0) {
      authorizationData = AuthorizationData.parse(der.getData(), (byte) 0x0A, true);
    }
    if (der.getData().available() > 0) {
      throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
  }