System.Security.Cryptography.Pkcs.Rfc3161RequestResponseStatus enum Rfc3161RequestResponseStatus Documentation Code Accepted = 1 DoesNotParse = 2 HashMismatch = 4 NonceMismatch = 6 RequestedCertificatesMissing = 7 RequestFailed = 3 UnexpectedCertificates = 8 Unknown = 0 VersionTooNew = 5