org.apache.xml.security.samples.signature.CreateNullURIReference.java Source code

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Here is the source code for org.apache.xml.security.samples.signature.CreateNullURIReference.java

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/*
 * Copyright  1999-2004 The Apache Software Foundation.
 *
 *  Licensed 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.XMLSignature;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.XMLUtils;

/**
 * Class CreateNullURIReference
 *
 * @author $Author: blautenb $
 * @version $Revision: 350955 $
 */
public class CreateNullURIReference {

    /** {@link org.apache.commons.logging} logging facility */
    static org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory
            .getLog(CreateNullURIReference.class.getName());

    /**
     * Method main
     *
     * @param unused
     * @throws Exception
     */
    public static void main(String unused[]) throws Exception {
        //J-
        String keystoreType = "JKS";
        String keystoreFile = "data/org/apache/xml/security/samples/input/keystore.jks";
        String keystorePass = "xmlsecurity";
        String privateKeyAlias = "test";
        String privateKeyPass = "xmlsecurity";
        String certificateAlias = "test";
        File signatureFile = new File("signature.xml");
        //J+
        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.toURL().toString();

        Constants.setSignatureSpecNSprefix(null);

        XMLSignature sig = new XMLSignature(doc, BaseURI, XMLSignature.ALGO_ID_SIGNATURE_DSA);
        byte[][] memoryData = { "The secret data".getBytes(), "dataset 2".getBytes(), };

        sig.addResourceResolver(new NullURIReferenceResolver(memoryData));
        doc.appendChild(sig.getElement());

        {
            sig.addDocument(null, null, Constants.ALGO_ID_DIGEST_SHA1);
            sig.addDocument(null, null, 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);
    }

    static {
        org.apache.xml.security.Init.init();
    }
}