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diff --git a/utils/src/main/java/at/gv/egiz/idlink/asn1/CitizenPublicKey.java b/utils/src/main/java/at/gv/egiz/idlink/asn1/CitizenPublicKey.java
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+/*
+ * Copyright 2011 by Graz University of Technology, Austria
+ * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
+ * initiative of the Federal Chancellery Austria and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egiz.idlink.asn1;
+
+import java.math.BigInteger;
+
+import iaik.asn1.*;
+
+/**
+ * This class implements the ASN.1 representation of the
+ * <code>CitizenPublicKey</code> of a compressed identity link.
+ *
+ * <pre>CitizenPublicKey ::= CHOICE {
+ onToken [0] INTEGER,
+ referenceURL [1] UTF8String,
+ x509Data [2] SubjectPublicKeyInfo
+}
+</pre>
+ *
+ * @author mivkovic@egiz.gv.at, mcentner@egiz.gv.at
+ */
+public class CitizenPublicKey implements ASN1Type {
+
+ /**
+ * <code>onToken</code>
+ */
+ private int onToken; // INTEGER
+
+ /**
+ * Creates a new <code>CitizenPublicKey</code> with the given
+ * <code>onToken</code> value.
+ *
+ * @param onToken
+ */
+ public CitizenPublicKey(int onToken) {
+ this.onToken = onToken;
+ }
+
+ /**
+ * Creates a new <code>CitizenPublicKey</code> from the given ASN.1 representation.
+ *
+ * @param obj
+ * @throws CodingException
+ */
+ public CitizenPublicKey(ASN1Object obj) throws CodingException {
+ decode(obj);
+ }
+
+ @Override
+ public void decode(ASN1Object obj) throws CodingException {
+ try {
+ BigInteger Value = (BigInteger)(obj.getValue());
+ onToken = Value.intValue();
+ } catch (Exception ex) {
+ throw new CodingException(ex.toString());
+ }
+ }
+
+ @Override
+ public ASN1Object toASN1Object() {
+ INTEGER ot = new INTEGER(onToken);
+ return ot;
+ }
+
+ /**
+ * Returns the DER encoding of this <code>CitizenPublicKey</code>.
+ *
+ * @return the DER encoding of this <code>CitizenPublicKey</code>
+ */
+ public byte[] getEncoded() {
+ return DerCoder.encode(toASN1Object());
+ }
+
+ public int getOnToken() {
+ return onToken;
+ }
+
+} \ No newline at end of file