pub fn create(
issuer: &NodeKey,
audience: &[u8; 32],
caps: &[Capability],
o: &Options,
) -> Result<Vec<u8>, CreateError>Expand description
A token from issuer’s identity key, for the audience’s node_id,
granting caps until o.exp. An exp more than MAX_LIFETIME past
now, or an nbf not before exp, is refused, naming the values.