Filip Hanik a3e09fadd7 Correct signature handling for SAML2 AuthNRequest
Implements the following bindings for AuthNRequest
- REDIRECT
- POST (future PR)

Has been tested with
- Keycloak
- SSOCircle
- Okta
- SimpleSAMLPhp

Fixes gh-7711
2020-02-12 11:40:19 -08:00
..