/**
* 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.test.dom.keys;
import java.io.FileInputStream;
import java.lang.reflect.Constructor;
import java.security.KeyFactory;
import java.security.Provider;
import java.security.PublicKey;
import java.security.Security;
import java.security.spec.X509EncodedKeySpec;
import javax.xml.parsers.DocumentBuilder;
import org.apache.xml.security.keys.content.DEREncodedKeyValue;
import org.apache.xml.security.utils.Base64;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.JavaUtils;
import org.apache.xml.security.utils.XMLUtils;
import org.junit.Assert;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
public class DEREncodedKeyValueTest extends Assert {
private static final String BASEDIR = System.getProperty("basedir") == null ? "./": System.getProperty("basedir");
private static final String SEP = System.getProperty("file.separator");
private DocumentBuilder documentBuilder;
private PublicKey rsaKeyControl;
private PublicKey dsaKeyControl;
private PublicKey ecKeyControl;
private final String idControl = "abc123";
public DEREncodedKeyValueTest() throws Exception {
documentBuilder = XMLUtils.createDocumentBuilder(false);
//
// If the BouncyCastle provider is not installed, then try to load it
// via reflection.
//
if (Security.getProvider("BC") == null) {
Constructor<?> cons = null;
try {
Class<?> c = Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
cons = c.getConstructor(new Class[] {});
} catch (Exception e) {
//ignore
}
if (cons != null) {
Provider provider = (java.security.Provider)cons.newInstance();
Security.insertProviderAt(provider, 1);
ecKeyControl = loadPublicKey("ec.key", "EC");
}
}
rsaKeyControl = loadPublicKey("rsa.key", "RSA");
dsaKeyControl = loadPublicKey("dsa.key", "DSA");
}
@org.junit.Test
public void testSchema() throws Exception {
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(documentBuilder.newDocument(), rsaKeyControl);
Element element = derEncodedKeyValue.getElement();
assertEquals("http://www.w3.org/2009/xmldsig11#", element.getNamespaceURI());
assertEquals("DEREncodedKeyValue", element.getLocalName());
}
@org.junit.Test
public void testRSAPublicKeyFromElement() throws Exception {
Document doc = loadXML("DEREncodedKeyValue-RSA.xml");
NodeList nl = doc.getElementsByTagNameNS(Constants.SignatureSpec11NS, Constants._TAG_DERENCODEDKEYVALUE);
Element element = (Element) nl.item(0);
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(element, "");
assertEquals(rsaKeyControl, derEncodedKeyValue.getPublicKey());
assertArrayEquals(rsaKeyControl.getEncoded(), derEncodedKeyValue.getBytesFromTextChild());
assertEquals(idControl, derEncodedKeyValue.getId());
}
@org.junit.Test
public void testDSAPublicKeyFromElement() throws Exception {
Document doc = loadXML("DEREncodedKeyValue-DSA.xml");
NodeList nl = doc.getElementsByTagNameNS(Constants.SignatureSpec11NS, Constants._TAG_DERENCODEDKEYVALUE);
Element element = (Element) nl.item(0);
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(element, "");
assertEquals(dsaKeyControl, derEncodedKeyValue.getPublicKey());
assertArrayEquals(dsaKeyControl.getEncoded(), derEncodedKeyValue.getBytesFromTextChild());
assertEquals(idControl, derEncodedKeyValue.getId());
}
@org.junit.Test
public void testECPublicKeyFromElement() throws Exception {
if (ecKeyControl == null) {
return;
}
Document doc = loadXML("DEREncodedKeyValue-EC.xml");
NodeList nl = doc.getElementsByTagNameNS(Constants.SignatureSpec11NS, Constants._TAG_DERENCODEDKEYVALUE);
Element element = (Element) nl.item(0);
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(element, "");
assertEquals(ecKeyControl, derEncodedKeyValue.getPublicKey());
assertArrayEquals(ecKeyControl.getEncoded(), derEncodedKeyValue.getBytesFromTextChild());
assertEquals(idControl, derEncodedKeyValue.getId());
}
@org.junit.Test
public void testRSAPublicKeyFromKey() throws Exception {
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(documentBuilder.newDocument(), rsaKeyControl);
assertEquals(rsaKeyControl, derEncodedKeyValue.getPublicKey());
assertArrayEquals(rsaKeyControl.getEncoded(), derEncodedKeyValue.getBytesFromTextChild());
}
@org.junit.Test
public void testDSAPublicKeyFromKey() throws Exception {
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(documentBuilder.newDocument(), dsaKeyControl);
assertEquals(dsaKeyControl, derEncodedKeyValue.getPublicKey());
assertArrayEquals(dsaKeyControl.getEncoded(), derEncodedKeyValue.getBytesFromTextChild());
}
@org.junit.Test
public void testECPublicKeyFromKey() throws Exception {
if (ecKeyControl == null) {
return;
}
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(documentBuilder.newDocument(), ecKeyControl);
assertEquals(ecKeyControl, derEncodedKeyValue.getPublicKey());
assertArrayEquals(ecKeyControl.getEncoded(), derEncodedKeyValue.getBytesFromTextChild());
}
@org.junit.Test
public void testId() throws Exception {
DEREncodedKeyValue derEncodedKeyValue = new DEREncodedKeyValue(documentBuilder.newDocument(), rsaKeyControl);
assertEquals("", derEncodedKeyValue.getId());
assertNull(derEncodedKeyValue.getElement().getAttributeNodeNS(null, Constants._ATT_ID));
derEncodedKeyValue.setId(idControl);
assertEquals(idControl, derEncodedKeyValue.getId());
assertTrue(derEncodedKeyValue.getElement().getAttributeNodeNS(null, Constants._ATT_ID).isId());
derEncodedKeyValue.setId(null);
assertEquals("", derEncodedKeyValue.getId());
assertNull(derEncodedKeyValue.getElement().getAttributeNodeNS(null, Constants._ATT_ID));
}
// Utility methods
private String getControlFilePath(String fileName) {
return BASEDIR + SEP + "src" + SEP + "test" + SEP + "resources" +
SEP + "org" + SEP + "apache" + SEP + "xml" + SEP + "security" +
SEP + "keys" + SEP + "content" +
SEP + fileName;
}
private Document loadXML(String fileName) throws Exception {
return documentBuilder.parse(new FileInputStream(getControlFilePath(fileName)));
}
private PublicKey loadPublicKey(String filePath, String algorithm) throws Exception {
String fileData = new String(JavaUtils.getBytesFromFile(getControlFilePath(filePath)));
byte[] keyBytes = Base64.decode(fileData);
KeyFactory kf = KeyFactory.getInstance(algorithm);
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(keyBytes);
return kf.generatePublic(keySpec);
}
}