wsfederation/key/KeyUtil.java

a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster/**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * Copyright (c) 2007 Sun Microsystems Inc. All Rights Reserved
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * The contents of this file are subject to the terms
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * of the Common Development and Distribution License
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * (the License). You may not use this file except in
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * compliance with the License.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * You can obtain a copy of the License at
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * https://opensso.dev.java.net/public/CDDLv1.0.html or
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * opensso/legal/CDDLv1.0.txt
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * See the License for the specific language governing
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * permission and limitations under the License.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * When distributing Covered Code, include this CDDL
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * Header Notice in each file and include the License file
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * at opensso/legal/CDDLv1.0.txt.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * If applicable, add the following below the CDDL Header,
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * with the fields enclosed by brackets [] replaced by
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * your own identifying information:
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * "Portions Copyrighted [year] [name of copyright owner]"
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * $Id: KeyUtil.java,v 1.4 2009/10/28 23:58:58 exu Exp $
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterpackage com.sun.identity.wsfederation.key;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.util.Map;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.util.List;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.util.Hashtable;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.io.ByteArrayInputStream;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.security.cert.CertificateFactory;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.security.PrivateKey;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport java.security.cert.X509Certificate;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.common.SystemConfigurationUtil;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.saml2.common.SAML2Constants;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.saml.common.SAMLConstants;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.saml.xmlsig.KeyProvider;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.wsfederation.common.WSFederationUtils;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.wsfederation.jaxb.entityconfig.BaseConfigType;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.wsfederation.jaxb.wsfederation.FederationElement;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterimport com.sun.identity.wsfederation.meta.WSFederationMetaUtils;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster/**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * The <code>KeyUtil</code> provides methods to obtain
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * the hosting entity's signing key and decryption key, and
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * to obtain a partner entity's signature verification key
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster * and encryption related information
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterpublic class KeyUtil {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    private static KeyProvider kp = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    // key is EntityID|Role
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    // value is EncInfo
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    protected static Hashtable encHash = new Hashtable();
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    // key is EntityID|Role
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    // value is X509Certificate
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    protected static Hashtable sigHash = new Hashtable();
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    static {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        try {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            kp = (KeyProvider)Class.forName(SystemConfigurationUtil.getProperty(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                SAMLConstants.KEY_PROVIDER_IMPL_CLASS)).newInstance();
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        } catch (ClassNotFoundException cnfe) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "KeyUtil static block:" +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                " Couldn't find the class.",
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                cnfe);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            kp = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        } catch (InstantiationException ie) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "KeyUtil static block:" +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                " Couldn't instantiate the key provider instance.",
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                ie);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            kp = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        } catch (IllegalAccessException iae) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "KeyUtil static block:" +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                " Couldn't access the default constructor.",
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                iae);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            kp = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    private KeyUtil() {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    /**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * Returns the instance of <code>KeyProvider</code>.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @return <code>KeyProvider</code>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    public static KeyProvider getKeyProviderInstance() {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        return kp;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    /**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * Returns the host entity's signing certificate alias.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @param baseConfig <code>BaseConfigType</code> for the host entity
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @return <code>String</code> for host entity's signing
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * certificate alias
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    public static String getSigningCertAlias(BaseConfigType baseConfig) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        Map<String,List<String>> map =
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationMetaUtils.getAttributes(baseConfig);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        List<String> list = map.get(SAML2Constants.SIGNING_CERT_ALIAS);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        if (list != null && !list.isEmpty()) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            String alias = list.get(0);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            if (alias != null && alias.length() != 0 && kp != null) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                return alias;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        return null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    /**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * Returns the host entity's decryption key.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @param baseConfig <code>BaseConfigType</code> for the host entity
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @return <code>PrivateKey</code> for decrypting a message received
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * by the host entity
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    public static PrivateKey getDecryptionKey(BaseConfigType baseConfig) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        Map map = WSFederationMetaUtils.getAttributes(baseConfig);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        List list = (List)map.get(SAML2Constants.ENCRYPTION_CERT_ALIAS);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        PrivateKey decryptionKey = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        if (list != null && !list.isEmpty()) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            String alias = (String)list.get(0);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            if (alias != null && alias.length() != 0 && kp != null) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                decryptionKey = kp.getPrivateKey(alias);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        return decryptionKey;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    /**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * Returns the partner entity's signature verification certificate.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @param fed <code>FederationElement</code> for the partner entity
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @param entityID partner entity's ID
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @param isIDP whether partner entity's role is IDP or SP
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @return <code>X509Certificate</code> for verifying the partner
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * entity's signature
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    public static X509Certificate getVerificationCert(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        FederationElement fed,
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        String entityID,
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        boolean isIDP
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    ) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        String classMethod = "KeyUtil.getVerificationCert: ";
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        String role = (isIDP) ? "idp":"sp";
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        if (WSFederationUtils.debug.messageEnabled()) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.message(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                classMethod +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "Entering... \nEntityID=" +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                entityID + "\nRole="+role
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            );
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        // first try to get it from cache
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        String index = entityID.trim()+"|"+ role;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        X509Certificate cert = (X509Certificate)sigHash.get(index);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        if (cert != null) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            return cert;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        // else get it from meta
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        if (fed == null) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                classMethod+
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "Null SSODescriptorType input for entityID=" +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                entityID + " in "+role+" role."
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            );
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            return null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        cert = getCert(fed);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        if (cert == null) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                classMethod +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "No signing cert for entityID=" +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                entityID + " in "+role+" role."
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            );
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            return null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        sigHash.put(index, cert);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        return cert;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    /**
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * Returns certificate stored in <code>FederationElement</code>.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @param fed <code>FederationElement</code> which contains certificate info
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     * @return X509Certificate contained in <code>FederationElement</code>; or
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     *                <code>null</code> if no certificate is included.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster     */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    public static java.security.cert.X509Certificate getCert(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        FederationElement fed ) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        String classMethod = "KeyUtil.getCert: ";
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        byte[] bt = WSFederationUtils.getMetaManager().
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            getTokenSigningCertificate(fed);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        CertificateFactory cf = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        try {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            cf = CertificateFactory.getInstance("X.509");
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        } catch (java.security.cert.CertificateException ce) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                classMethod +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "Unable to get CertificateFactory "+
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "for X.509 type", ce);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            return null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        ByteArrayInputStream bais = new ByteArrayInputStream(bt);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        java.security.cert.X509Certificate retCert = null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        try {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            while (bais.available() > 0) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                retCert = (java.security.cert.X509Certificate)
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                    cf.generateCertificate(bais);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        } catch (java.security.cert.CertificateException ce) {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            WSFederationUtils.debug.error(
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                classMethod +
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "Unable to generate certificate from byte "+
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster                "array input stream.", ce);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster            return null;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        return retCert;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    }
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster}