@Test
public void testCryp() {
String passwd = "opq";
int MAX_PWD_LENGTH = 64;
try {
String e1 = new SHACrypto().getHexEncryptString(passwd, MAX_PWD_LENGTH);
System.out.println("e1= " + e1);
String e2 = new SHACrypto().getHexEncryptString(passwd, MAX_PWD_LENGTH);
System.out.println("e2= " + e2);
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();