Download and try completely managed components for Secure File Transfer (SFTP and FTPS for .NET)
If you are a software developer, who needs to securely transfer files across network, there are two popular options. They are FTP over SSL or FTPS (RFC 959 and RFC 2228) and SSH File Transfer Protocol or SFTP (part of SSH protocol family).
You can use SecureBlackbox with any .NET development tool that supports .NET Framework (4.6, 4.5.1, 4.5, 4.0, 3.5, 3.0, 2.0), .NET for Windows RT, .NET CF (Compact Framework) (3.5, 2.0), Mono 4.0 or 2.0, Silverlight (5 or 4) and Xamarin.Android including Visual Studio 2015, 2013, 2012, 2010, 2008, 2005, MonoDevelop, Delphi Prism.
Download SecureBlackbox, which includes SSLBlackbox and SFTPBlackbox packages