Aspose.Email.Examples.CSharp.Email.SignAMessage.Run C# (CSharp) Method

        public static void Run()
        {
            // ExStart:SignAMessage
            // The path to the File directory.
            string dataDir = RunExamples.GetDataDir_SMTP();
            string publicCertFile = dataDir + "MartinCertificate.cer";
            string privateCertFile = dataDir + "MartinCertificate.pfx";
            X509Certificate2 publicCert = new X509Certificate2(publicCertFile);
            X509Certificate2 privateCert = new X509Certificate2(privateCertFile, "password");
            MailMessage msg = new MailMessage("[email protected]", "[email protected]", "Signed message only", "Test Body of signed message");
            MailMessage signed = msg.AttachSignature(privateCert);
            MailMessage encrypted = signed.Encrypt(publicCert);
            MailMessage decrypted = encrypted.Decrypt(privateCert);
            MailMessage unsigned = decrypted.RemoveSignature();//The original message with proper body
            MapiMessage mapi = MapiMessage.FromMailMessage(unsigned);
            // ExEnd:SignAMessage
        }
    }