import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial; //导入依赖的package包/类
private PrivateKey resolveX509IssuerSerial(XMLX509IssuerSerial x509Serial) throws KeyStoreException {
    log.log(java.util.logging.Level.FINE, "Can I resolve X509IssuerSerial?");

    Enumeration<String> aliases = keyStore.aliases();
    while (aliases.hasMoreElements()) {
        String alias = aliases.nextElement();
        if (keyStore.isKeyEntry(alias)) {

            Certificate cert = keyStore.getCertificate(alias);
            if (cert instanceof X509Certificate) {
                XMLX509IssuerSerial certSerial =
                    new XMLX509IssuerSerial(x509Serial.getDocument(), (X509Certificate) cert);

                if (certSerial.equals(x509Serial)) {
                    log.log(java.util.logging.Level.FINE, "match !!! ");

                    try {
                        Key key = keyStore.getKey(alias, password);
                        if (key instanceof PrivateKey) {
                            return (PrivateKey) key;
                        }
                    } catch (Exception e) {
                        log.log(java.util.logging.Level.FINE, "Cannot recover the key", e);
                        // Keep searching
                    }
                }
            }
        }
    }

    return null;
}
 

import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial; //导入依赖的package包/类
/**
 * Method itemIssuerSerial
 *
 * @param i
 * @return the X509IssuerSerial, null if not present
 * @throws XMLSecurityException
 */
public XMLX509IssuerSerial itemIssuerSerial(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_X509ISSUERSERIAL, i);

    if (e != null) {
        return new XMLX509IssuerSerial(e, this.baseURI);
    }
    return null;
}
 

import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial; //导入依赖的package包/类
/**
 * Method add
 *
 * @param xmlX509IssuerSerial
 */
public void add(XMLX509IssuerSerial xmlX509IssuerSerial) {

      this._constructionElement
         .appendChild(xmlX509IssuerSerial.getElement());
      XMLUtils.addReturnToElement(this._constructionElement);
}
 

import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial; //导入依赖的package包/类
/**
 * Method itemIssuerSerial
 *
 * @param i
 * @return the X509IssuerSerial, null if not present
 * @throws XMLSecurityException
 */
public XMLX509IssuerSerial itemIssuerSerial(int i)
        throws XMLSecurityException {

   Element e =
     XMLUtils.selectDsNode(this._constructionElement.getFirstChild(),
                                    Constants._TAG_X509ISSUERSERIAL,i);

   if (e != null) {
      return new XMLX509IssuerSerial(e, this._baseURI);
   }
   return null;
}
 

import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial; //导入依赖的package包/类
/**
 * Method add
 *
 * @param xmlX509IssuerSerial
 */
public void add(XMLX509IssuerSerial xmlX509IssuerSerial) {

    this.constructionElement.appendChild(xmlX509IssuerSerial.getElement());
    XMLUtils.addReturnToElement(this.constructionElement);
}
 

import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial; //导入依赖的package包/类
/**
 * Method addIssuerSerial
 *
 * @param X509IssuerName
 * @param X509SerialNumber
 */
public void addIssuerSerial(String X509IssuerName, BigInteger X509SerialNumber) {
    this.add(new XMLX509IssuerSerial(this.doc, X509IssuerName, X509SerialNumber));
}