/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.xml.security.samples.signature;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import org.apache.xml.security.signature.ObjectContainer;
import org.apache.xml.security.signature.XMLSignature;
import org.apache.xml.security.transforms.Transforms;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.XMLUtils;
import org.w3c.dom.Element;
/**
* @author $Author: giger $
*/
public class CreateEnvelopingSignature {
static org.slf4j.Logger log =
org.slf4j.LoggerFactory.getLogger(CreateSignature.class);
static {
org.apache.xml.security.Init.init();
}
/**
* Method main
*
* @param unused
* @throws Exception
*/
public static void main(String unused[]) throws Exception {
String keystoreType = "JKS";
String keystoreFile = "samples/data/keystore.jks";
String keystorePass = "xmlsecurity";
String privateKeyAlias = "test";
String privateKeyPass = "xmlsecurity";
String certificateAlias = "test";
File signatureFile = new File("build/signature.xml");
KeyStore ks = KeyStore.getInstance(keystoreType);
FileInputStream fis = new FileInputStream(keystoreFile);
ks.load(fis, keystorePass.toCharArray());
PrivateKey privateKey =
(PrivateKey) ks.getKey(privateKeyAlias, privateKeyPass.toCharArray());
javax.xml.parsers.DocumentBuilderFactory dbf =
javax.xml.parsers.DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware(true);
javax.xml.parsers.DocumentBuilder db = dbf.newDocumentBuilder();
org.w3c.dom.Document doc = db.newDocument();
String BaseURI = signatureFile.toURI().toURL().toString();
XMLSignature sig =
new XMLSignature(doc, BaseURI, XMLSignature.ALGO_ID_SIGNATURE_DSA);
doc.appendChild(sig.getElement());
{
ObjectContainer obj = new ObjectContainer(doc);
Element anElement = doc.createElementNS(null, "InsideObject");
anElement.appendChild(doc.createTextNode("A text in a box"));
obj.appendChild(anElement);
String Id = "TheFirstObject";
obj.setId(Id);
sig.appendObject(obj);
Transforms transforms = new Transforms(doc);
transforms.addTransform(Transforms.TRANSFORM_C14N_WITH_COMMENTS);
sig.addDocument("#" + Id, transforms, Constants.ALGO_ID_DIGEST_SHA1);
}
{
X509Certificate cert =
(X509Certificate) ks.getCertificate(certificateAlias);
sig.addKeyInfo(cert);
sig.addKeyInfo(cert.getPublicKey());
System.out.println("Start signing");
sig.sign(privateKey);
System.out.println("Finished signing");
}
FileOutputStream f = new FileOutputStream(signatureFile);
XMLUtils.outputDOMc14nWithComments(doc, f);
f.close();
System.out.println("Wrote signature to " + BaseURI);
for (int i = 0; i < sig.getSignedInfo().getSignedContentLength(); i++) {
System.out.println("--- Signed Content follows ---");
System.out.println(new String(sig.getSignedInfo().getSignedContentItem(i)));
}
}
}