Any other backend error preventing binding data retrieval.
The handshake is not yet complete on the connection which is a strong requirement for any existing binding type.
Handshake is complete but binding data is not available. That normally indicates the TLS implementation failed to provide the binding data. For example, some implementations do not provide a peer certificate for resumed connections.
Either entire binding retrieval facility or specific binding type is not implemented in the TLS backend.
Binding type is not supported
on the current connection. This error could be triggered when requesting
tls-server-end-point binding data for a certificate which has no hash
function or uses multiple hash functions.
An error code used with %G_TLS_CHANNEL_BINDING_ERROR in a #GError to indicate a TLS channel binding retrieval error.