“Invalid provider type specified” CryptographicException when trying to load private key of certificate

Question

I\'m trying to read the private key of a certificate which has been shared with me by a third-party service provider, so I can use it to encrypt some XML before sending it t

Answer 1

It seems on Windows 10, if I run my program without administrative privileges (whether I use the PrivateKey property or the GetRSAPrivateKey() extension method), I will see this exception (see the title of this discussion thread for the exception). If I run my program with administrative privileges and use the PrivateKey property, I will also see this exception. Only if I run my program with administrative privileges and use the GetRSAPrivateKey() extension method, I will not see this exception.