FindChild search direct child XML element matching given NS and Tag in the given parent element.

MetadataSignature returns SignatureVerifyOptions for metadata validation.

ResolveMetadata try to resolve metadata from given metadata source Following modes are supported - if the source start with "<", it's treated as inline XML text - if the source is a valid HTTP/HTTPS URL, metadata is fetched over network using http.Client - if the source is a valid FILE URL (file://), metadata is loaded from file system - for any other source value, it's treated as file path.

VerifySignature verify signature of SAML Request/Response/Metadata This function would choose signing protocol based on bindings and provided information.

WritePostBindingHTML takes HTML of a request/response submitting form and wrap it in HTML document with proper script security tags and send it to given ResponseWriter.