Why a document encrypted for certificate recipients did not open with the certificates given.
public enum PdfCertificateFailure
ISO 32000-2 §7.6.5.1.
kind:method, kind:property, kind:ctor. Press Esc to clear.NoMatchingRecipientNone of the certificates given is a recipient of the document.PrivateKeyUnavailableA certificate given is a recipient, but its private key is not available or does not decrypt the enveloped data.RequiredNo certificate was given: open the document with PdfCertificateCredentials for one of its recipients.