def get(self):
    from serverside.tools import encryption
    """Do some simple encryption and show results """
    mystr = "hello, world"
    self.response.out.write("encrypt string: " + mystr + "<br/>")
    mystr_enc = encryption.des_encrypt_str("hello, world")
    self.response.out.write("encrypted: " + mystr_enc + "<br/>")
    mystr_dec = encryption.des_decrypt_str(mystr_enc)
    self.response.out.write("decrypted: " + mystr_dec + "<br/>")