MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.FileInputStream;
import java.security.cert.CertPath;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;

public class MainClass {

    public static void main(String args[]) throws Exception {
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        List mylist = new ArrayList();
        for (int i = 0; i < args.length; i++) {
            FileInputStream in = new FileInputStream(args[i]);
            Certificate c = cf.generateCertificate(in);
            mylist.add(c);
        }
        CertPath cp = cf.generateCertPath(mylist);
        List cplist = cp.getCertificates();
        Object[] o = cplist.toArray();
        for (int i = 0; i < o.length; i++) {
            X509Certificate c = (X509Certificate) o[i];
            System.out.println(c.getSubjectDN());
            byte[] pbk = c.getPublicKey().getEncoded();
            for (int j = 0; j < pbk.length; j++) {
                System.out.print(pbk[j] + ",");
            }
            System.out.println("\nIssued by " + c.getIssuerDN());
        }
    }
}