/**
* Generate a key to be stored in a cookie so users who are not logged in
* can edit / delete the image.
*
* @param PasswordHasher $passwordHasher
*
* @return string
*/
public function generateKey(PasswordHasher $passwordHasher)
{
$key = $passwordHasher->generateKey();
$this->sessionKey = $key;
//$passwordHasher->generateHash($key);
return $key;
}
