If a user attempts to load a https web page in Mobile Safari and the server\'s certificate validation check fails (its expired, revoked, self-signed etc.) then the user is p
From the horse's mouth:
"UIWebView does not provide any way for an app to customize its HTTPS server trust evaluations. It is possible to work around this limitation using public APIs, but it is not easy. If you need to do this, please contact Developer Technical Support (dts@apple.com)
Source: http://developer.apple.com/library/ios/#technotes/tn2232/_index.html