RE: [saml-dev] IdP initiated SSO and RelayState

> How I should encode the RelayState.

That depends on the binding and has nothing to do with RelayState per se.

> JDK's Base64.getUrlEncoder() encodes with with padding chars in the end
> (==).

Base64 has nothing to do with it. RelayState is opaque to everything but the system that creates it.

-- Scott