I am trying to configure a new FTPS connection (in WinSCP 5.8.1 Beta as I believe this is the only version I can do this in ?) to an external site where the supplier has provided a self signed certificate (in DER form). When I try to apply the certificate to the WinSCP connection details I get the error:
error:0906D06C:PEM routines:PEM_read_bio:no start line
I can install the certificate into the Windows certificate store without any problem. A bit of searching suggested converting the certificate to PEM form using OpenSSL which succeeds without error but I then get the same error when I try to load the converted PEM cert in WinSCP.
Can you help please ?