Short description of SSHBlackbox (ActiveX/DLL) 6.1: SSHBlackbox (ActiveX edition) is a comprehensive collection of native components that add client-side support for SSH (Secure Shell) to your Windows applications. SSHBlackbox also includes support for PKI (Public Key Infrastructure), i.e. X.509 certificates, requests and revocation lists. ActiveX edition can be used with Visual Basic, C++ or other development tool that supports ActiveX controls.