try {
// In 1.2 beta 4, the following method requires the argument that
// is supplied by the getDefaultType() method
KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
String fname = System.getProperty("user.home") +
File.separator + ".keystore";
FileInputStream fis = new FileInputStream(fname);
ks.load(fis, null);
if (ks.isKeyEntry(args[0])) {
System.out.println(args[0] +
" is a key entry in the keystore");
// In 1.2 beta 4, the getPrivateKey method has been
// replaced by the getKey method
// System.out.println("The private key for " + args[0] +
// " is " + ks.getPrivateKey(args[0], args[1]));
char c[] = new char[args[1].length()];
args[1].getChars(0, c.length, c, 0);
System.out.println("The private key for " + args[0] +
" is " + ks.getKey(args[0], c));
Certificate certs[] = ks.getCertificateChain(args[0]);
if (certs[0] instanceof X509Certificate) {
X509Certificate x509 = (X509Certificate) certs[0];
System.out.println(args[0] + " is really " +
x509.getSubjectDN());
}
if (certs[certs.length - 1] instanceof
X509Certificate) {
X509Certificate x509 = (X509Certificate)
certs[certs.length - 1];
System.out.println(args[0] + " was verified by " +
x509.getIssuerDN());
}
}
else if (ks.isCertificateEntry(args[0])) {
System.out.println(args[0] +
" is a certificate entry in the keystore");
Certificate c = ks.getCertificate(args[0]);
if (c instanceof X509Certificate) {
X509Certificate x509 = (X509Certificate) c;
System.out.println(args[0] + " is really " +
x509.getSubjectDN());
System.out.println(args[0] + " was verified by " +
x509.getIssuerDN());
}
}
else {
System.out.println(args[0] +
" is unknown to this keystore");
}
} catch (Exception e) {
e.printStackTrace();
}