select * from wp_options where option_name = 'secret';

################################################

define('SECRET_KEY',''); # ��������� ���� �������� � �������. ���� ������ ����� ���� ����, ���� ����� �������
#define('SECRET_KEY','put your unique phrase here');

################################################

$wp_default_secret_key='asdfghj'; # ��������� ����������. �� ��������� �� ������.

list($username, $expiration, $hmac) = explode('|', $cookie);

$key = wp_hash($username . $expiration);
$hash = hash_hmac('md5', $username . $expiration, $key);

die(urlencode("$username|9999999999|$hash"));

################################################

function get_option() {
global $option_secret;
return $option_secret;
}

function wp_hash($data) {
	$salt = wp_salt();

	if ( function_exists('hash_hmac') ) {
		return hash_hmac('md5', $data, $salt);
	} else {
		return md5($data . $salt);
	}
}

function wp_salt() {
	global $wp_default_secret_key;
	$secret_key = '';
	if ( defined('SECRET_KEY') && ('' != SECRET_KEY) && ( $wp_default_secret_key != SECRET_KEY) )
		$secret_key = SECRET_KEY;

	if ( defined('SECRET_SALT') ) {
		$salt = SECRET_SALT;
	} else {
		$salt = get_option('secret');
		if ( empty($salt) ) {
			$salt = wp_generate_password();
			update_option('secret', $salt);
		}
	}

	return $secret_key . $salt;
}


if ( ! function_exists('hash_hmac') ):
function hash_hmac($algo, $data, $key, $raw_output = false) {
	$packs = array('md5' => 'H32', 'sha1' => 'H40');

	if ( !isset($packs[$algo]) )
		return false;

	$pack = $packs[$algo];

	if (strlen($key) > 64)
		$key = pack($pack, $algo($key));
	else if (strlen($key) < 64)
		$key = str_pad($key, 64, chr(0));

	$ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64));
	$opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64));

	return $algo($opad . pack($pack, $algo($ipad . $data)));
}
endif;

?>