iv = $iv; $crypt->ciphertext = $ciphertext; $crypt->decrypt(); return $crypt->cleartext; } return ''; } function _write($id, $data) { global $_sess_db; $access = time(); $crypt = new crypt(); $crypt->cleartext = $data; $crypt->generate_iv(); $crypt->encrypt(); $ciphertext = $crypt->ciphertext; $iv = $crypt->iv; $data = base64_encode($iv . $ciphertext); $id = mysql_real_escape_string($id); $access = mysql_real_escape_string($access); $data = mysql_real_escape_string($data); $sql = "REPLACE INTO sessions VALUES ('$id', '$access', '$data')"; return mysql_query($sql, $_sess_db); } ?>