src_unitTests/org/apache/xml/security/test/signature/ECDSASignatureTest.java - santuario-xml-security-java - Git at Google

 /*
  * Copyright  1999-2009 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.test.signature;

 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.InputStream;
 import java.lang.reflect.Constructor;
 import java.security.KeyStore;
 import java.security.PrivateKey;
 import java.security.Security;
 import java.security.cert.X509Certificate;

 import junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;

 import org.apache.xml.security.algorithms.SignatureAlgorithm;
 import org.apache.xml.security.c14n.Canonicalizer;
 import org.apache.xml.security.keys.KeyInfo;
 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.apache.xpath.XPathAPI;
 import org.w3c.dom.Element;

 /**
  * Tests that creates and verifies ECDSA signatures.
  *
  * @author Wolfgang Glas
  */
 public class ECDSASignatureTest extends TestCase {

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

     private static final String BASEDIR = System.getProperty("basedir");
     private static final String SEP = System.getProperty("file.separator");
     private static final String ECDSA_JKS =
         "data/org/apache/xml/security/samples/input/ecdsa.jks";
     private static final String ECDSA_JKS_PASSWORD = "security";

     private KeyStore keyStore;

     private javax.xml.parsers.DocumentBuilder db;

     private File makeDataFile(String relPath) {
         if (BASEDIR != null && !"".equals(BASEDIR)) {
             return new File(BASEDIR + SEP + relPath);
         } else {
             return new File(relPath);
         }
     }

     public static Test suite() {
         return new TestSuite(ECDSASignatureTest.class);
     }

     public ECDSASignatureTest(String name) {
         super(name);
     }

     public static void main(String[] args) {
         String[] testCaseName = {"-noloading", ECDSASignatureTest.class.getName()};
         junit.textui.TestRunner.main(testCaseName);
     }

     protected void setUp() throws Exception {
         //
         // If the BouncyCastle provider is not installed, then try to load it
         // via reflection. If it is not available, then skip this test as it is
         // required for elliptic curves
         //
         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) {
                 // BouncyCastle is not available so just return
                 return;
             } else {
                 Security.addProvider((java.security.Provider)cons.newInstance(new Object[]{}));
             }
         }

         javax.xml.parsers.DocumentBuilderFactory dbf =
             javax.xml.parsers.DocumentBuilderFactory.newInstance();
     	dbf.setNamespaceAware(true);
         log.info("dbf.isIgnoringComments()=" + dbf.isIgnoringComments());
         log.info("dbf.isIgnoringElementContentWhitespace()=" + dbf.isIgnoringElementContentWhitespace());

         String id = "http://apache.org/xml/properties/dom/document-class-name";

         dbf.setAttribute(id, IndexedDocument.class.getName());

     	db = dbf.newDocumentBuilder();
     	org.apache.xml.security.Init.init();
     }

     public void testOne() throws Exception {
         if (Security.getProvider("BC") == null) {
             return;
         }

         keyStore = KeyStore.getInstance("JKS");
         keyStore.load(
             new java.io.FileInputStream(ECDSA_JKS),
             ECDSA_JKS_PASSWORD.toCharArray()
         );

         doVerify(doSign());
         doVerify(doSign());
     }

     public void testTwo() throws Exception {
         if (Security.getProvider("BC") == null) {
             return;
         }

         File file =
             makeDataFile("data/org/apache/xml/security/samples/input/ecdsaSignature.xml");
         InputStream is = new FileInputStream(file);

         doVerify(is);
     }

     public void testThree()  throws Exception {
         if (Security.getProvider("BC") == null) {
             return;
         }

         File file = makeDataFile("data/at/buergerkarte/testresp.xml");
         InputStream is = new FileInputStream(file);

         doVerify(is);
     }

     private byte[] doSign() throws Exception {
         PrivateKey privateKey =
             (PrivateKey)keyStore.getKey("ECDSA", ECDSA_JKS_PASSWORD.toCharArray());
         org.w3c.dom.Document doc = db.newDocument();
         doc.appendChild(doc.createComment(" Comment before "));
         Element root = doc.createElementNS("", "RootElement");

         doc.appendChild(root);
         root.appendChild(doc.createTextNode("Some simple text\n"));

         Element canonElem = XMLUtils.createElementInSignatureSpace(doc,
                 Constants._TAG_CANONICALIZATIONMETHOD);
         canonElem.setAttributeNS(null, Constants._ATT_ALGORITHM,
                 Canonicalizer.ALGO_ID_C14N_EXCL_OMIT_COMMENTS);

         SignatureAlgorithm signatureAlgorithm = new SignatureAlgorithm(doc,
                 XMLSignature.ALGO_ID_SIGNATURE_ECDSA_SHA1);
         XMLSignature sig = new XMLSignature(doc, null, signatureAlgorithm
                 .getElement(), canonElem);

         root.appendChild(sig.getElement());
         doc.appendChild(doc.createComment(" Comment after "));
         Transforms transforms = new Transforms(doc);
         transforms.addTransform(Transforms.TRANSFORM_ENVELOPED_SIGNATURE);
         transforms.addTransform(Transforms.TRANSFORM_C14N_WITH_COMMENTS);
         sig.addDocument("", transforms, Constants.ALGO_ID_DIGEST_SHA1);

         X509Certificate x509 = (X509Certificate)keyStore.getCertificate("ECDSA");
         sig.addKeyInfo(x509);
         sig.sign(privateKey);

         ByteArrayOutputStream bos = new ByteArrayOutputStream();

         XMLUtils.outputDOMc14nWithComments(doc, bos);
         return bos.toByteArray();
     }

     private void doVerify(byte[] signedXml) throws Exception {
         doVerify(new ByteArrayInputStream(signedXml));
     }

     private void doVerify(InputStream is) throws Exception {
         org.w3c.dom.Document doc = this.db.parse(is);
         Element nscontext = XMLUtils.createDSctx(doc, "ds",Constants.SignatureSpecNS);
         Element sigElement = (Element) XPathAPI.selectSingleNode(doc,"//ds:Signature[1]", nscontext);
         XMLSignature signature = new XMLSignature(sigElement, "");

         signature.addResourceResolver(new XPointerResourceResolver(sigElement));

         KeyInfo ki = signature.getKeyInfo();

         if (ki == null) {
         	throw new RuntimeException("No keyinfo");
         }
         X509Certificate cert = signature.getKeyInfo().getX509Certificate();

         if (cert == null) {
         	throw new RuntimeException("No certificate");
         }
         assertTrue(signature.checkSignatureValue(cert) );
     }

     /**
      * DO NOT DELETE THIS COMMENTED OUT METHOD!
      *
      * The reason this method is commented out is to avoid introducing explicit
      * BouncyCastle dependencies.
      *
      * Create an X.509 Certificate and associated private key using the Elliptic Curve
      * DSA algorithm, and store in a KeyStore. This method was used to generate the
      * keystore used for this test ("data/org/apache/xml/security/samples/input/ecdsa.jks").
      *
     private static void setUpKeyAndCertificate() throws Exception {

         java.security.KeyPairGenerator kpg =
             java.security.KeyPairGenerator.getInstance("ECDSA");

         java.math.BigInteger mod_p =
             new java.math.BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319");
         java.math.BigInteger mod_q =
             new java.math.BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323");

         org.bouncycastle.math.ec.ECCurve.Fp curve =
             new org.bouncycastle.math.ec.ECCurve.Fp(
                     mod_p, // p
                     new java.math.BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"), // a
                     new java.math.BigInteger("166")
             ); // b

         java.security.spec.AlgorithmParameterSpec spec =
             new org.bouncycastle.jce.spec.ECParameterSpec(
                     curve,
                     new org.bouncycastle.math.ec.ECPoint.Fp(curve,
                             new org.bouncycastle.math.ec.ECFieldElement.Fp(
                                 curve.getQ(), new java.math.BigInteger("1")
                             ), // x
                             new org.bouncycastle.math.ec.ECFieldElement.Fp(
                                 curve.getQ(), new java.math.BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612")
                             )
                     ), // y
                     mod_q
             );

         kpg.initialize(spec);

         java.security.KeyPair kp=kpg.genKeyPair();
         org.bouncycastle.x509.X509V3CertificateGenerator certGen =
             new org.bouncycastle.x509.X509V3CertificateGenerator();

         long now = System.currentTimeMillis();
         certGen.setSerialNumber(java.math.BigInteger.valueOf(now));

         org.bouncycastle.jce.X509Principal subject =
             new org.bouncycastle.jce.X509Principal(
                 "CN=XML ECDSA Signature Test,DC=apache,DC=org"
             );
         certGen.setIssuerDN(subject);
         certGen.setSubjectDN(subject);

         java.util.Date from_date = new java.util.Date(now);
         certGen.setNotBefore(from_date);
         java.util.Calendar cal = new java.util.GregorianCalendar();
         cal.setTime(from_date);
         cal.add(java.util.Calendar.YEAR, 4);
         java.util.Date to_date = cal.getTime();
         certGen.setNotAfter(to_date);

         certGen.setPublicKey(kp.getPublic());
         certGen.setSignatureAlgorithm("SHA1withECDSA");
         certGen.addExtension(
             org.bouncycastle.asn1.x509.X509Extensions.BasicConstraints,
             true,
             new org.bouncycastle.asn1.x509.BasicConstraints(false)
         );
         certGen.addExtension(
             org.bouncycastle.asn1.x509.X509Extensions.KeyUsage,
             true,
             new org.bouncycastle.asn1.x509.KeyUsage(
                 org.bouncycastle.asn1.x509.KeyUsage.digitalSignature |
                 org.bouncycastle.asn1.x509.KeyUsage.keyEncipherment |
                 org.bouncycastle.asn1.x509.KeyUsage.keyCertSign |
                 org.bouncycastle.asn1.x509.KeyUsage.cRLSign
             )
         );

         X509Certificate x509 = certGen.generateX509Certificate(kp.getPrivate());

         KeyStore keyStore = KeyStore.getInstance("JKS");
         keyStore.load(null, ECDSA_JKS_PASSWORD.toCharArray());
         keyStore.setKeyEntry(
             "ECDSA", kp.getPrivate(),
             ECDSA_JKS_PASSWORD.toCharArray(), new java.security.cert.Certificate[]{x509}
         );
         keyStore.store(
             new java.io.FileOutputStream(ECDSA_JKS), ECDSA_JKS_PASSWORD.toCharArray()
         );

     }
     */

 }
	/*
	* Copyright 1999-2009 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.test.signature;

	import java.io.ByteArrayInputStream;
	import java.io.ByteArrayOutputStream;
	import java.io.File;
	import java.io.FileInputStream;
	import java.io.InputStream;
	import java.lang.reflect.Constructor;
	import java.security.KeyStore;
	import java.security.PrivateKey;
	import java.security.Security;
	import java.security.cert.X509Certificate;

	import junit.framework.Test;
	import junit.framework.TestCase;
	import junit.framework.TestSuite;

	import org.apache.xml.security.algorithms.SignatureAlgorithm;
	import org.apache.xml.security.c14n.Canonicalizer;
	import org.apache.xml.security.keys.KeyInfo;
	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.apache.xpath.XPathAPI;
	import org.w3c.dom.Element;

	/**
	* Tests that creates and verifies ECDSA signatures.
	*
	* @author Wolfgang Glas
	*/
	public class ECDSASignatureTest extends TestCase {

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

	private static final String BASEDIR = System.getProperty("basedir");
	private static final String SEP = System.getProperty("file.separator");
	private static final String ECDSA_JKS =
	"data/org/apache/xml/security/samples/input/ecdsa.jks";
	private static final String ECDSA_JKS_PASSWORD = "security";

	private KeyStore keyStore;

	private javax.xml.parsers.DocumentBuilder db;

	private File makeDataFile(String relPath) {
	if (BASEDIR != null && !"".equals(BASEDIR)) {
	return new File(BASEDIR + SEP + relPath);
	} else {
	return new File(relPath);
	}
	}

	public static Test suite() {
	return new TestSuite(ECDSASignatureTest.class);
	}

	public ECDSASignatureTest(String name) {
	super(name);
	}

	public static void main(String[] args) {
	String[] testCaseName = {"-noloading", ECDSASignatureTest.class.getName()};
	junit.textui.TestRunner.main(testCaseName);
	}

	protected void setUp() throws Exception {
	//
	// If the BouncyCastle provider is not installed, then try to load it
	// via reflection. If it is not available, then skip this test as it is
	// required for elliptic curves
	//
	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) {
	// BouncyCastle is not available so just return
	return;
	} else {
	Security.addProvider((java.security.Provider)cons.newInstance(new Object[]{}));
	}
	}

	javax.xml.parsers.DocumentBuilderFactory dbf =
	javax.xml.parsers.DocumentBuilderFactory.newInstance();
	dbf.setNamespaceAware(true);
	log.info("dbf.isIgnoringComments()=" + dbf.isIgnoringComments());
	log.info("dbf.isIgnoringElementContentWhitespace()=" + dbf.isIgnoringElementContentWhitespace());

	String id = "http://apache.org/xml/properties/dom/document-class-name";

	dbf.setAttribute(id, IndexedDocument.class.getName());

	db = dbf.newDocumentBuilder();
	org.apache.xml.security.Init.init();
	}

	public void testOne() throws Exception {
	if (Security.getProvider("BC") == null) {
	return;
	}

	keyStore = KeyStore.getInstance("JKS");
	keyStore.load(
	new java.io.FileInputStream(ECDSA_JKS),
	ECDSA_JKS_PASSWORD.toCharArray()
	);

	doVerify(doSign());
	doVerify(doSign());
	}

	public void testTwo() throws Exception {
	if (Security.getProvider("BC") == null) {
	return;
	}

	File file =
	makeDataFile("data/org/apache/xml/security/samples/input/ecdsaSignature.xml");
	InputStream is = new FileInputStream(file);

	doVerify(is);
	}

	public void testThree() throws Exception {
	if (Security.getProvider("BC") == null) {
	return;
	}

	File file = makeDataFile("data/at/buergerkarte/testresp.xml");
	InputStream is = new FileInputStream(file);

	doVerify(is);
	}

	private byte[] doSign() throws Exception {
	PrivateKey privateKey =
	(PrivateKey)keyStore.getKey("ECDSA", ECDSA_JKS_PASSWORD.toCharArray());
	org.w3c.dom.Document doc = db.newDocument();
	doc.appendChild(doc.createComment(" Comment before "));
	Element root = doc.createElementNS("", "RootElement");

	doc.appendChild(root);
	root.appendChild(doc.createTextNode("Some simple text\n"));

	Element canonElem = XMLUtils.createElementInSignatureSpace(doc,
	Constants._TAG_CANONICALIZATIONMETHOD);
	canonElem.setAttributeNS(null, Constants._ATT_ALGORITHM,
	Canonicalizer.ALGO_ID_C14N_EXCL_OMIT_COMMENTS);

	SignatureAlgorithm signatureAlgorithm = new SignatureAlgorithm(doc,
	XMLSignature.ALGO_ID_SIGNATURE_ECDSA_SHA1);
	XMLSignature sig = new XMLSignature(doc, null, signatureAlgorithm
	.getElement(), canonElem);

	root.appendChild(sig.getElement());
	doc.appendChild(doc.createComment(" Comment after "));
	Transforms transforms = new Transforms(doc);
	transforms.addTransform(Transforms.TRANSFORM_ENVELOPED_SIGNATURE);
	transforms.addTransform(Transforms.TRANSFORM_C14N_WITH_COMMENTS);
	sig.addDocument("", transforms, Constants.ALGO_ID_DIGEST_SHA1);

	X509Certificate x509 = (X509Certificate)keyStore.getCertificate("ECDSA");
	sig.addKeyInfo(x509);
	sig.sign(privateKey);

	ByteArrayOutputStream bos = new ByteArrayOutputStream();

	XMLUtils.outputDOMc14nWithComments(doc, bos);
	return bos.toByteArray();
	}

	private void doVerify(byte[] signedXml) throws Exception {
	doVerify(new ByteArrayInputStream(signedXml));
	}

	private void doVerify(InputStream is) throws Exception {
	org.w3c.dom.Document doc = this.db.parse(is);
	Element nscontext = XMLUtils.createDSctx(doc, "ds",Constants.SignatureSpecNS);
	Element sigElement = (Element) XPathAPI.selectSingleNode(doc,"//ds:Signature[1]", nscontext);
	XMLSignature signature = new XMLSignature(sigElement, "");

	signature.addResourceResolver(new XPointerResourceResolver(sigElement));

	KeyInfo ki = signature.getKeyInfo();

	if (ki == null) {
	throw new RuntimeException("No keyinfo");
	}
	X509Certificate cert = signature.getKeyInfo().getX509Certificate();

	if (cert == null) {
	throw new RuntimeException("No certificate");
	}
	assertTrue(signature.checkSignatureValue(cert) );
	}

	/**
	* DO NOT DELETE THIS COMMENTED OUT METHOD!
	*
	* The reason this method is commented out is to avoid introducing explicit
	* BouncyCastle dependencies.
	*
	* Create an X.509 Certificate and associated private key using the Elliptic Curve
	* DSA algorithm, and store in a KeyStore. This method was used to generate the
	* keystore used for this test ("data/org/apache/xml/security/samples/input/ecdsa.jks").
	*
	private static void setUpKeyAndCertificate() throws Exception {

	java.security.KeyPairGenerator kpg =
	java.security.KeyPairGenerator.getInstance("ECDSA");

	java.math.BigInteger mod_p =
	new java.math.BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319");
	java.math.BigInteger mod_q =
	new java.math.BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323");

	org.bouncycastle.math.ec.ECCurve.Fp curve =
	new org.bouncycastle.math.ec.ECCurve.Fp(
	mod_p, // p
	new java.math.BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"), // a
	new java.math.BigInteger("166")
	); // b

	java.security.spec.AlgorithmParameterSpec spec =
	new org.bouncycastle.jce.spec.ECParameterSpec(
	curve,
	new org.bouncycastle.math.ec.ECPoint.Fp(curve,
	new org.bouncycastle.math.ec.ECFieldElement.Fp(
	curve.getQ(), new java.math.BigInteger("1")
	), // x
	new org.bouncycastle.math.ec.ECFieldElement.Fp(
	curve.getQ(), new java.math.BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612")
	)
	), // y
	mod_q
	);

	kpg.initialize(spec);

	java.security.KeyPair kp=kpg.genKeyPair();
	org.bouncycastle.x509.X509V3CertificateGenerator certGen =
	new org.bouncycastle.x509.X509V3CertificateGenerator();

	long now = System.currentTimeMillis();
	certGen.setSerialNumber(java.math.BigInteger.valueOf(now));

	org.bouncycastle.jce.X509Principal subject =
	new org.bouncycastle.jce.X509Principal(
	"CN=XML ECDSA Signature Test,DC=apache,DC=org"
	);
	certGen.setIssuerDN(subject);
	certGen.setSubjectDN(subject);

	java.util.Date from_date = new java.util.Date(now);
	certGen.setNotBefore(from_date);
	java.util.Calendar cal = new java.util.GregorianCalendar();
	cal.setTime(from_date);
	cal.add(java.util.Calendar.YEAR, 4);
	java.util.Date to_date = cal.getTime();
	certGen.setNotAfter(to_date);

	certGen.setPublicKey(kp.getPublic());
	certGen.setSignatureAlgorithm("SHA1withECDSA");
	certGen.addExtension(
	org.bouncycastle.asn1.x509.X509Extensions.BasicConstraints,
	true,
	new org.bouncycastle.asn1.x509.BasicConstraints(false)
	);
	certGen.addExtension(
	org.bouncycastle.asn1.x509.X509Extensions.KeyUsage,
	true,
	new org.bouncycastle.asn1.x509.KeyUsage(
	org.bouncycastle.asn1.x509.KeyUsage.digitalSignature \|
	org.bouncycastle.asn1.x509.KeyUsage.keyEncipherment \|
	org.bouncycastle.asn1.x509.KeyUsage.keyCertSign \|
	org.bouncycastle.asn1.x509.KeyUsage.cRLSign
	)
	);

	X509Certificate x509 = certGen.generateX509Certificate(kp.getPrivate());

	KeyStore keyStore = KeyStore.getInstance("JKS");
	keyStore.load(null, ECDSA_JKS_PASSWORD.toCharArray());
	keyStore.setKeyEntry(
	"ECDSA", kp.getPrivate(),
	ECDSA_JKS_PASSWORD.toCharArray(), new java.security.cert.Certificate[]{x509}
	);
	keyStore.store(
	new java.io.FileOutputStream(ECDSA_JKS), ECDSA_JKS_PASSWORD.toCharArray()
	);

	}
	*/

	}