[gnutls-devel] GnuTLS | tls13/key_update: Expose a manual KeyUpdate function (!1965)

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Tue Aug 19 03:52:37 CEST 2025




Daiki Ueno started a new discussion on lib/tls13/key_update.c: https://gitlab.com/gnutls/gnutls/-/merge_requests/1965#note_2693954257

 > + *
 > + * Returns: %GNUTLS_E_SUCCESS on success, otherwise a negative error code.
 > + *
 > + * Since: 3.8.10
 > + **/
 > +int gnutls_handshake_trigger_key_update(gnutls_session_t session)
 > +{
 > +	int ret;
 > +	const version_entry_st *vers = get_version(session);
 > +
 > +	if (!vers->tls13_sem)
 > +		return GNUTLS_E_INVALID_REQUEST;
 > +
 > +	_gnutls_epoch_gc(session);
 > +
 > +	ret = update_keys(session, STAGE_UPD_PEERS);

I suspect that this no longer compiles, as `update_keys` has been split into `update_sending_keys` and `update_receiving_keys` in !1990.

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