Simple User Authentication with “crypt()’ in Yii

yii Simple user Authentication system you just have to modify the UserIdentity Class. if you want to use md5() method then you can uncomment the md5() option. and and comment the without md5() option. see carefully.

class UserIdentity extends CUserIdentity
{
/**
* Authenticates a user.
* The example implementation makes sure if the username and password
* are both 'demo'.
* In practical applications, this should be changed to authenticate
* against some persistent user identity storage (e.g. database).
* @return boolean whether authentication succeeds.

*/

private $id;

public function authenticate()
{
$record=User::model()->findByAttributes(array('username'=>$this->username));
if($record===null)
$this->errorCode=self::ERROR_USERNAME_INVALID;

else if($record->password!==crypt($this->password,md5(1234));
$this->errorCode=self::ERROR_PASSWORD_INVALID;
else
{
$this->id=$record->id;
$this->username = $record->username;
$this->errorCode=self::ERROR_NONE;
}
return !$this->errorCode;
}

public function getId(){
return $this->id;
}
}