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Posted to commits@santuario.apache.org by co...@apache.org on 2012/07/05 10:39:56 UTC
svn commit: r1357489 - in
/santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax:
c14n/ExclusiveC14NInteropTest.java signature/IAIKTest.java
Author: coheigea
Date: Thu Jul 5 08:39:56 2012
New Revision: 1357489
URL: http://svn.apache.org/viewvc?rev=1357489&view=rev
Log:
Adding more interop tests
Added:
santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/c14n/ExclusiveC14NInteropTest.java
santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/signature/IAIKTest.java
Added: santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/c14n/ExclusiveC14NInteropTest.java
URL: http://svn.apache.org/viewvc/santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/c14n/ExclusiveC14NInteropTest.java?rev=1357489&view=auto
==============================================================================
--- santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/c14n/ExclusiveC14NInteropTest.java (added)
+++ santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/c14n/ExclusiveC14NInteropTest.java Thu Jul 5 08:39:56 2012
@@ -0,0 +1,130 @@
+/**
+ * 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.stax.c14n;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.math.BigInteger;
+import java.security.Key;
+import java.security.KeyFactory;
+import java.security.NoSuchAlgorithmException;
+import java.security.PublicKey;
+import java.security.spec.DSAPublicKeySpec;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.KeySpec;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.apache.xml.security.stax.config.Init;
+import org.apache.xml.security.stax.ext.InboundXMLSec;
+import org.apache.xml.security.stax.ext.XMLSec;
+import org.apache.xml.security.stax.ext.XMLSecurityProperties;
+import org.apache.xml.security.test.stax.utils.StAX2DOM;
+import org.apache.xml.security.test.stax.utils.XMLSecEventAllocator;
+import org.apache.xml.security.utils.XMLUtils;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.w3c.dom.Document;
+
+/**
+ * Interop test for exclusive canonical XML.
+ */
+public class ExclusiveC14NInteropTest extends org.junit.Assert {
+
+ // Define the Keys
+ private static final String DSA_Y =
+ "100608549353392247642909699559958629799239376887928526645894830026725196161145566849708733883990135426653044817911443739078414918200719335778010681793609319420004405842110519195451832486531732453606134760724262533773278050009694686068237740978670601469803011818937563585466331102373332041567195551433843399821";
+ private static final String DSA_P =
+ "168777965834506183316029234822049448824510746356579047085445137260615952005547237578049190106944051176874334502490044372001095187406578652983566270415497585188065671106321782044399345015635174214653019063633432488260846312454028091420079382316827654485991763360842518637782234847501432479186061030043532804049";
+ private static final String DSA_Q =
+ "869728719104136791953389816626377255923310715629";
+ private static final String DSA_G =
+ "92540127839696181660603196559927599444985269069164107041817893521317620801749269178254275499516782269048036232822187472000302495112526925817061777055402839811893512245205312429410597288465276425092799962454093795367121466944495977844096953319768287183660390415542263887700389610463126158583843139357076400271";
+
+ private XMLInputFactory xmlInputFactory;
+ private DocumentBuilderFactory documentBuilderFactory;
+ private TransformerFactory transformerFactory = TransformerFactory.newInstance();
+
+ @Before
+ public void setUp() throws Exception {
+ Init.init(ExclusiveC14NInteropTest.class.getClassLoader().getResource("security-config.xml").toURI());
+ org.apache.xml.security.Init.init();
+
+ xmlInputFactory = XMLInputFactory.newInstance();
+ xmlInputFactory.setEventAllocator(new XMLSecEventAllocator());
+
+ documentBuilderFactory = DocumentBuilderFactory.newInstance();
+ documentBuilderFactory.setNamespaceAware(true);
+ documentBuilderFactory.setIgnoringComments(false);
+ documentBuilderFactory.setCoalescing(false);
+ documentBuilderFactory.setIgnoringElementContentWhitespace(false);
+ }
+
+
+ // See SANTUARIO-321
+ @Test
+ @Ignore
+ public void test_Y1() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream("interop/c14n/Y1/exc-signature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ Key publicKey = getPublicKey();
+
+ XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setDisableSchemaValidation(true);
+ properties.setSignatureVerificationKey(publicKey);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ private static PublicKey getPublicKey()
+ throws InvalidKeySpecException, NoSuchAlgorithmException {
+ KeyFactory kf = KeyFactory.getInstance("DSA");
+ KeySpec kspec = new DSAPublicKeySpec(new BigInteger(DSA_Y),
+ new BigInteger(DSA_P),
+ new BigInteger(DSA_Q),
+ new BigInteger(DSA_G));
+ return kf.generatePublic(kspec);
+ }
+
+}
Added: santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/signature/IAIKTest.java
URL: http://svn.apache.org/viewvc/santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/signature/IAIKTest.java?rev=1357489&view=auto
==============================================================================
--- santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/signature/IAIKTest.java (added)
+++ santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/signature/IAIKTest.java Thu Jul 5 08:39:56 2012
@@ -0,0 +1,340 @@
+/**
+ * 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.stax.signature;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.math.BigInteger;
+import java.security.Key;
+import java.security.KeyFactory;
+import java.security.NoSuchAlgorithmException;
+import java.security.PublicKey;
+import java.security.spec.DSAPublicKeySpec;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.KeySpec;
+import java.security.spec.RSAPublicKeySpec;
+
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.apache.xml.security.stax.config.Init;
+import org.apache.xml.security.stax.ext.InboundXMLSec;
+import org.apache.xml.security.stax.ext.XMLSec;
+import org.apache.xml.security.stax.ext.XMLSecurityProperties;
+import org.apache.xml.security.test.stax.utils.StAX2DOM;
+import org.apache.xml.security.test.stax.utils.XMLSecEventAllocator;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.w3c.dom.Document;
+
+/**
+ * This test is to ensure interoperability with the examples provided by the IAIK
+ * XML Signature implementation. Thanks to Gregor Karlinger who provided these
+ * test vectors. They are located in the directory <CODE>data/at/iaik/ixsil/</CODE>.
+ */
+public class IAIKTest extends org.junit.Assert {
+
+ // Define the Keys
+ private static final String DSA_Y =
+ "33765117117947274661410382382650381161343617353664210170104406353610701044610078240124960165589268013959628883158481521066490826259260800878347905093229352801096566573507150438307560047568318507187154066482564350264253492725510108330786058643267447097509233135065057837400865193836500518383366090134577741053";
+ private static final String DSA_P =
+ "91634265413269728335373456840902298947347457680573446480385884712203252882476860316549099567586720335306748578940814977769093940974266715233397005957274714637390846659304524279579796384844387472915589310715455237001400834751102257352922064898227481939437670342534515495271294497038496656824770631295812638999";
+ private static final String DSA_Q =
+ "1429042367422631366787309673414805238266287675163";
+ private static final String DSA_G =
+ "55996752437939033808848513898546387171938363874894496914563143236312388388575433783546897866725079197988900114055877651265845210275099560192808554894952746896447422004598952101382809226581856515647962078133491799837520059128557664983865646964858235956075258101815411978037059289614937207339691043148996572947";
+
+ private static final String RSA_MOD =
+ "123741519167989388559377626745542702486926628431631931688706922056140679850039257167520167484412112276535334078519003803614712993739893643126140460918237455879023461779027296599477635539211426788386258873478147007239191180574000289143927884425647619290073015083375160571949522764083669597074190296532088216887";
+ private static final String RSA_PUB =
+ "3";
+
+ private XMLInputFactory xmlInputFactory;
+ private DocumentBuilderFactory documentBuilderFactory;
+ private TransformerFactory transformerFactory = TransformerFactory.newInstance();
+
+ @Before
+ public void setUp() throws Exception {
+ Init.init(IAIKTest.class.getClassLoader().getResource("security-config.xml").toURI());
+ org.apache.xml.security.Init.init();
+
+ xmlInputFactory = XMLInputFactory.newInstance();
+ xmlInputFactory.setEventAllocator(new XMLSecEventAllocator());
+
+ documentBuilderFactory = DocumentBuilderFactory.newInstance();
+ documentBuilderFactory.setNamespaceAware(true);
+ documentBuilderFactory.setIgnoringComments(false);
+ documentBuilderFactory.setCoalescing(false);
+ documentBuilderFactory.setIgnoringElementContentWhitespace(false);
+ }
+
+
+ @Test
+ public void test_signatureAlgorithms_signatures_hMACSignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/signatureAlgorithms/signatures/hMACSignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ byte[] hmacKey = "secret".getBytes("ASCII");
+ SecretKey key = new SecretKeySpec(hmacKey, "http://www.w3.org/2000/09/xmldsig#hmac-sha1");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(key);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ @Test
+ public void test_signatureAlgorithms_signatures_hMACShortSignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/signatureAlgorithms/signatures/hMACShortSignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ byte[] hmacKey = "secret".getBytes("ASCII");
+ SecretKey key = new SecretKeySpec(hmacKey, "http://www.w3.org/2000/09/xmldsig#hmac-sha1");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(key);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ try {
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ fail("Failure expected on a short HMAC length");
+ } catch (XMLStreamException ex) {
+ // expected
+ }
+ }
+
+ @Test
+ public void test_signatureAlgorithms_signatures_dSASignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/signatureAlgorithms/signatures/dSASignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ Key publicKey = getPublicKey("DSA");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(publicKey);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ @Test
+ public void test_signatureAlgorithms_signatures_rSASignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/signatureAlgorithms/signatures/rSASignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ Key publicKey = getPublicKey("RSA");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(publicKey);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ // See SANTUARIO-318
+ // See SANTUARIO-322
+ @Test
+ @Ignore
+ public void test_transforms_signatures_base64DecodeSignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/transforms/signatures/base64DecodeSignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ Key publicKey = getPublicKey("RSA");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(publicKey);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ // See SANTUARIO-322
+ @Test
+ @Ignore
+ public void test_transforms_signatures_c14nSignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/transforms/signatures/c14nSignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ Key publicKey = getPublicKey("RSA");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(publicKey);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ // See SANTUARIO-320
+ @Test
+ @Ignore
+ public void test_transforms_signatures_envelopedSignatureSignature() throws Exception {
+ // Read in plaintext document
+ InputStream sourceDocument =
+ this.getClass().getClassLoader().getResourceAsStream(
+ "at/iaik/ixsil/transforms/signatures/envelopedSignatureSignature.xml");
+ DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
+ Document document = builder.parse(sourceDocument);
+
+ // Set up the Key
+ Key publicKey = getPublicKey("RSA");
+
+ // XMLUtils.outputDOM(document, System.out);
+
+ // Convert Document to a Stream Reader
+ javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ transformer.transform(new DOMSource(document), new StreamResult(baos));
+ final XMLStreamReader xmlStreamReader =
+ xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
+
+ // Verify signature
+ XMLSecurityProperties properties = new XMLSecurityProperties();
+ properties.setSignatureVerificationKey(publicKey);
+ InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
+ XMLStreamReader securityStreamReader = inboundXMLSec.processInMessage(xmlStreamReader);
+
+ StAX2DOM.readDoc(documentBuilderFactory.newDocumentBuilder(), securityStreamReader);
+ }
+
+ private static PublicKey getPublicKey(String algo)
+ throws InvalidKeySpecException, NoSuchAlgorithmException {
+ KeyFactory kf = KeyFactory.getInstance(algo);
+ KeySpec kspec = null;
+ if (algo.equalsIgnoreCase("DSA")) {
+ kspec = new DSAPublicKeySpec(new BigInteger(DSA_Y),
+ new BigInteger(DSA_P),
+ new BigInteger(DSA_Q),
+ new BigInteger(DSA_G));
+ } else if (algo.equalsIgnoreCase("RSA")) {
+ kspec = new RSAPublicKeySpec(new BigInteger(RSA_MOD),
+ new BigInteger(RSA_PUB));
+ } else {
+ throw new RuntimeException("Unsupported key algorithm " + algo);
+ }
+ return kf.generatePublic(kspec);
+ }
+
+}