showcrlentries.java

Java安全性编程实例,解压看说明

import java.io.*;
import java.util.*;
import java.security.cert.*;

public class ShowCRLEntries{
  public  static   void   main(String [] args) throws Exception {
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        FileInputStream in = new FileInputStream(args[0]);
        X509CRL crl = (X509CRL)cf.generateCRL(in);
        Set s = crl.getRevokedCertificates();
        if (s != null && s.isEmpty() == false){
        	Iterator t=s.iterator( );
        	while(t.hasNext( )){
	            X509CRLEntry entry = (X509CRLEntry)t.next();
        	    System.out.println("serial number = " +
              			entry.getSerialNumber().toString(16));
		    System.out.println("revocation date = " +
              			entry.getRevocationDate());
            	    System.out.println("extensions = " +
              			entry.hasExtensions());
          }
        }
        in.close();
  }
}