* There is an "authentication server" outside of the IdP that verifies OTPs and stores token keys. It also supports a user registration process and allows to revoke second factors when required.
* There is an "authentication server" outside of the IdP that verifies OTPs and stores token keys. It also supports a user registration process and allows to revoke second factors when required.
* A brief [[description of a radius authentication test server]] for an rfc6238 TOTP 2nd factor.
* A brief [description of a radius authentication test server](toolbox_archive/description_of_a_radius_authentication_test_server) for an rfc6238 TOTP 2nd factor.
