SrtInputNode.addPassphrase() method
Adds or updates a (route, user) access grant on this listener. The route is the streamid’s r= value (or the bare streamid); the user is claimed via u= in the streamid and PROVEN by the passphrase (omit user for the anonymous identity). Omit passphrase for an explicit clear-allowed grant — protected and clear streams then share one listener. Once the table is non-empty every connection must match a grant; register grants before sources connect. Listener mode only.
Signature:
addPassphrase(grant: {
route: string;
user?: string;
passphrase?: string;
}): void;