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());
}
}
}