MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.FileInputStream;
import java.security.PublicKey;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;

public class MainClass {
    public static void main(String args[]) throws Exception {

        Certificate[] certpath = new Certificate[args.length - 1];
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        int i;
        for (i = 0; i < args.length - 1; i++) {
            FileInputStream in = new FileInputStream(args[i]);
            certpath[i] = cf.generateCertificate(in);
        }
        FileInputStream in = new FileInputStream(args[i]);
        Certificate trust = cf.generateCertificate(in);

        boolean pass = false;
        String reason = "";
        for (i = 0; i < certpath.length; i++) {
            try {
                PublicKey pbk;
                if (i == certpath.length - 1) {
                    pbk = trust.getPublicKey();
                } else {
                    pbk = certpath[i + 1].getPublicKey();
                }
                certpath[i].verify(pbk);
                pass = true;
            } catch (Exception e) {
                pass = false;
                reason += i + "  " + e.toString();
                break;
            }
        }
        System.out.println(pass);
    }
}