Re: CAC (Smart Card) Authentication
WinSCP uses SSH implementation from PuTTY project.
Smartcard authentication is on their wish list (though with a low priority):
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/smartcard-auth.html
Smartcard authentication is on their wish list (though with a low priority):
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/smartcard-auth.html