Opc.Ua.SoftwareCertificate.Validate C# (CSharp) Method

        public static ServiceResult Validate(
            CertificateValidator validator,
            byte[] signedCertificate,
            out SoftwareCertificate softwareCertificate)
        {
            softwareCertificate = null;

            // validate the certificate.
            X509Certificate2 certificate = null;

            try
            {
                certificate = CertificateFactory.Create(signedCertificate, true);
                validator.Validate(certificate);
            }
            catch (Exception e)
            {
                return ServiceResult.Create(e, StatusCodes.BadDecodingError, "Could not decode software certificate body.");
            }


            // find the software certficate.
            byte[] encodedData = null;

            if (encodedData == null)
            {
                return ServiceResult.Create(StatusCodes.BadCertificateInvalid, "Could not find extension containing the software certficate.");
            }

            try
            {
                MemoryStream istrm = new MemoryStream(encodedData, false);
                DataContractSerializer serializer = new DataContractSerializer(typeof(SoftwareCertificate));
                softwareCertificate = (SoftwareCertificate)serializer.ReadObject(istrm);
                softwareCertificate.SignedCertificate = certificate;
            }
            catch (Exception e)
            {
                return ServiceResult.Create(e, StatusCodes.BadCertificateInvalid, "Certificate does not contain a valid SoftwareCertificate body.");
            }

            // certificate is valid.
            return ServiceResult.Good;
        }
    }