
The Warning dialog box displays the server’s key thumbprint.Enter the remote server’s host name and your username.Insert your PIV/CAC card into your card reader.(WinSCP selects additional checkboxes by default.)

Click the checkbox for Attempt Authentication using Pageant and then click OK.

PERMIT SSH ON MAC WINDOWS
From the Windows Security screen, select your PIV/CAC authentication certificate, and click OK.Click Add CAPI Cert to view eligible authentication certificates.Next, at the Windows taskbar, click the up-arrow and right-click the Pageant icon ( computer wearing a Fedora).Double-click pageant.exe to launch Pageant.Double-click WinSCP-Setup.exe to launch the WinSCP installer and use the recommended installation settings.
PERMIT SSH ON MAC DOWNLOAD
Download the WinSCP installer to C:\ssh\WinSCP-Setup.exe or a similar folder.Select 32-bit or 64-bit, based on your Windows OS. Download Pageant to C:\ssh\pageant.exe or a similar folder.Pageant is an SSH authentication agent that uses Microsoft’s CAPI. WinSCP is an open-source, secure copy protocol (SCP) and secure file transfer protocol (SFTP) client. Do not remove your card until you're logged in. (You’ll then be logged into the remote server.) Click Yes to permit the signing operation and enter your PIV/CAC PIN.(A dialog box displays your PIV/CAC authentication certificate.) Verify the server key and accept it by clicking Yes.(A dialog box displays the server’s key thumbprint.) Click Open to connect to the remote server.Once you have an account, open PuTTY-CAC and insert your PIV/CAC card into your card reader.Enter a session name in Saved Sessions and click Save.Click Session and enter a remote server’s hostname or IP address.While waiting for an account, you can create SSH session profiles for target remote servers:.

(Notice that the Attempt Certificate Authentication box is now checked.)
