# Functions
Write error in good http format with error stack in it.
# Variables
ErrInvalidAuthentication indicates an invalid authentication.
# Structs
API registering with restful.
AuthReq is a simple authn request.
AuthResponse is a simple JWT authn response.
KeystoneAuth is a Keystone API like auth.
KeystoneAuthReq is a Keystone API like auth request.
KeystoneAuthResponse is a Keystone API like auth response.
# Interfaces
Authenticator is the interface for authn backends.