Store store = new Store();
            store.Open();
            Certificate cislinkCert = null;

            foreach (Certificate cert in store.Certificates)
            {
                if (string.Compare(cert.Thumbprint, "‎269c092dc219f6ecafc6e2dc816c61b06df3b3fb", StringComparison.InvariantCultureIgnoreCase) == 0)
                {
                    cislinkCert = cert;
                    break;
                }
            }


            CPSigner cpSigner = new CPSigner();
            cpSigner.Certificate = cislinkCert;
            cpSigner.TSAAddress = "http://testca.cryptopro.ru/tsp/"; // "http://172.22.48.99/tsp/";
            
            CadesSignedData signedData = new CadesSignedData();
            signedData.ContentEncoding = CADESCOM_CONTENT_ENCODING_TYPE.CADESCOM_BASE64_TO_BINARY;

            string b64 = Convert.ToBase64String(File.ReadAllBytes(@"D:\tmp\test.pdf"));

            signedData.Content = b64;

            string result = signedData.SignCades(cpSigner, CADESCOM_CADES_TYPE.CADESCOM_CADES_X_LONG_TYPE_1, true);