Opc.Ua.Bindings.TcpChannel.RsaPkcs15_GetSignatureLength C# (CSharp) Method

        private static int RsaPkcs15_GetSignatureLength(X509Certificate2 signingCertificate)
        {
            using (RSA rsa = signingCertificate.GetRSAPublicKey())
            {
                if (rsa == null)
                {
                    throw ServiceResultException.Create(StatusCodes.BadSecurityChecksFailed, "No public key for certificate.");
                }
                return rsa.KeySize / 8;
            }
        }