/** * */ package at.knowcenter.wag.egov.egiz.test; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.security.cert.CertificateException; import java.security.cert.CertificateFactory; import java.security.cert.X509Certificate; /** * @author wprinz */ public class X509 { /** * @param args * @throws CertificateException * @throws IOException */ public static void main(String[] args) throws CertificateException, IOException { File file = new File ("C:\\tr-test.der"); InputStream is = new FileInputStream(file); CertificateFactory cf = CertificateFactory.getInstance("X.509"); X509Certificate cert = (X509Certificate)cf.generateCertificate(is); is.close(); System.out.println("SerialNumber = " + cert.getSerialNumber()); System.out.println("Issuer = " + cert.getIssuerDN().getName()); System.out.println("finished."); } }