It is used when the verifier cannot validate the certificate referenced by the URI of the Identity-Info header, because, for example, the certificate is self-signed, or signed by a root certificate authority for whom the verifier does not possess a root certificate. Defined in rfc 4474.

public static readonly string x437_Unsupported_Certificate

Public Shared ReadOnly x437_Unsupported_Certificate As String

public:
static initonly String^ x437_Unsupported_Certificate

static val x437_Unsupported_Certificate: string