Verifies a service provider's HTTP Redirect binding signature. It answers rather than throws.
the query string as received
signature, sigAlg and certPem (the registered certificates)
signature
sigAlg
certPem
{ ok, usable, … }: ok separate from usable, whether it could be checked at all
{ ok, usable, … }
ok
usable
Verifies a service provider's HTTP Redirect binding signature. It answers rather than throws.