Custom certificates for IDP

[Cantor, Scott]

> Another question: There are commands, executable on terminal, that
> permit to regenerate certificates (backchannel, signing and encryption)
> for the IdP?

Our goal is not to provide a toolkit that replaces everything you can already do with OpenSSL and other more powerful tools, but there is a utility in bin/ for self-signed keypair generation, yes, same one used by the installer.

-- Scott