function testBasic()
{
$cryptText = SEncryption::encrypt('text to encrypt');
$this->assertEqual('text to encrypt', SEncryption::decrypt($cryptText));
$this->assertNotEqual(SEncryption::encrypt('another text to encrypt'), SEncryption::encrypt('another text to encrypt'));
}
private function unpackage($cookie)
{
$buffer = SEncryption::decrypt($cookie);
list($this->version, $this->created, $this->userId) = explode(self::$glue, $buffer);
}