#NEWLINE# def security_hash( self , request , form ) : #NEWLINE# #INDENT# '\n        Calculates the security hash for the given\n        :class:`~django.http.HttpRequest` and :class:`~django.forms.Form`\n        instances.\n\n        Subclasses may want to take into account request-specific information,\n        such as the IP address.\n        ' #NEWLINE# return form_hmac ( form )