try {
FileOutputStream fos = new FileOutputStream("test");
Mac mac = Mac.getInstance("HmacSHA1");
KeyStoreHandler ksh = new KeyStoreHandler(null);
KeyStore ks = ksh.getKeyStore();
mac.init((SecretKey) ks.getKey(args[0], args[1].toCharArray()));
ObjectOutputStream oos = new ObjectOutputStream(fos);
String data = "This have I thought good to deliver thee, "+
"that thou mightst not lose the dues of rejoicing " +
"by being ignorant of what greatness is promised thee.";
byte buf[] = data.getBytes();
mac.update(buf);
oos.writeObject(data);
oos.writeObject(mac.doFinal());
} catch (Exception e) {
System.out.println(e);
}
