It doesn't pertain to negotiations. By "rights", I meant treaty and/or aboriginal rights. In the absence of treaty rights (for those groups that have no treaty) there are aboriginal rights that stem from being the original inhabitants of the land (and confirmed by numerous court decisions). Aboriginal groups can have both, treaty and aboriginal rights 

The text you read in the Royal Proclamation regarding Indians (to use its outdated vocabulary) and their lands has been legally interpreted in the manner I described above and managed as such throughout its history.