Reads what a client registered for its ID Tokens, with the default enc applied.
enc
the client's registration
{ ok: true, alg, enc }, { ok: true } with no alg for a client that is not encrypted to, or { ok: false, description }
{ ok: true, alg, enc }
{ ok: true }
alg
{ ok: false, description }
Reads what a client registered for its ID Tokens, with the default
encapplied.