try {
FileInputStream fr = new FileInputStream("sdo.cer");
// In 1.2 beta 4, the following method no longer exists, and
// we have to use a certificate factory instead
// X509Certificate c = X509Certificate.getInstance(fr);
CertificateFactory cf = CertificateFactory.getInstance("X509");
Certificate cert = cf.generateCertificate(fr);
X509Certificate c = (X509Certificate) cert;
System.out.println("Read in the following certificate:");
System.out.println("\tCertificate for: " + c.getSubjectDN());
System.out.println("\tCertificate issued by: " + c.getIssuerDN());
System.out.println("\tThe certificate is valid from " +
c.getNotBefore() + " to " + c.getNotAfter());
System.out.println("\tCertificate SN# " + c.getSerialNumber());
System.out.println("\tGenerated with " + c.getSigAlgName());
} catch (Exception e) {
e.printStackTrace();
}
