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 * Copyright  1999-2004 The Apache Software Foundation.
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 *  you may not use this file except in compliance with the License.
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package com.sun.org.apache.xml.internal.security.keys.keyresolver.implementations;



import java.security.PublicKey;
import java.security.cert.X509Certificate;


import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException;
import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509SKI;
import com.sun.org.apache.xml.internal.security.keys.keyresolver.KeyResolverException;
import com.sun.org.apache.xml.internal.security.keys.keyresolver.KeyResolverSpi;
import com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver;
import com.sun.org.apache.xml.internal.security.utils.Constants;
import com.sun.org.apache.xml.internal.security.utils.XMLUtils;
import org.w3c.dom.Element;


Author:$Author: mullan $
/** * * * @author $Author: mullan $ */
public class X509SKIResolver extends KeyResolverSpi {
logging logging facility
/** {@link java.util.logging} logging facility */
static java.util.logging.Logger log = java.util.logging.Logger.getLogger(X509SKIResolver.class.getName());
Method engineResolvePublicKey
Params:
  • element –
  • BaseURI –
  • storage –
Throws:
Returns:null if no PublicKey could be obtained
/** * Method engineResolvePublicKey * * @param element * @param BaseURI * @param storage * @return null if no {@link PublicKey} could be obtained * @throws KeyResolverException */
public PublicKey engineLookupAndResolvePublicKey( Element element, String BaseURI, StorageResolver storage) throws KeyResolverException { X509Certificate cert = this.engineLookupResolveX509Certificate(element, BaseURI, storage); if (cert != null) { return cert.getPublicKey(); } return null; }
Method engineResolveX509Certificate
Params:
  • element –
  • BaseURI –
  • storage –
Throws:
@inheritDoc
/** * Method engineResolveX509Certificate * @inheritDoc * @param element * @param BaseURI * @param storage * * @throws KeyResolverException */
public X509Certificate engineLookupResolveX509Certificate( Element element, String BaseURI, StorageResolver storage) throws KeyResolverException { if (log.isLoggable(java.util.logging.Level.FINE)) { log.log(java.util.logging.Level.FINE, "Can I resolve " + element.getTagName() + "?"); } if (!XMLUtils.elementIsInSignatureSpace(element, Constants._TAG_X509DATA)) { log.log(java.util.logging.Level.FINE, "I can't"); return null; } /** Field _x509childObject[] */ XMLX509SKI x509childObject[] = null; Element x509childNodes[] = null; x509childNodes = XMLUtils.selectDsNodes(element.getFirstChild(), Constants._TAG_X509SKI); if (!((x509childNodes != null) && (x509childNodes.length > 0))) { log.log(java.util.logging.Level.FINE, "I can't"); return null; } try { if (storage == null) { Object exArgs[] = { Constants._TAG_X509SKI }; KeyResolverException ex = new KeyResolverException("KeyResolver.needStorageResolver", exArgs); log.log(java.util.logging.Level.INFO, "", ex); throw ex; } x509childObject = new XMLX509SKI[x509childNodes.length]; for (int i = 0; i < x509childNodes.length; i++) { x509childObject[i] = new XMLX509SKI(x509childNodes[i], BaseURI); } while (storage.hasNext()) { X509Certificate cert = storage.next(); XMLX509SKI certSKI = new XMLX509SKI(element.getOwnerDocument(), cert); for (int i = 0; i < x509childObject.length; i++) { if (certSKI.equals(x509childObject[i])) { log.log(java.util.logging.Level.FINE, "Return PublicKey from " + cert.getSubjectDN().getName()); return cert; } } } } catch (XMLSecurityException ex) { throw new KeyResolverException("empty", ex); } return null; }
Method engineResolveSecretKey
Params:
  • element –
  • BaseURI –
  • storage –
@inheritDoc
/** * Method engineResolveSecretKey * @inheritDoc * @param element * @param BaseURI * @param storage * */
public javax.crypto.SecretKey engineLookupAndResolveSecretKey( Element element, String BaseURI, StorageResolver storage) { return null; } }