PHP, Windows and SSL

[Julian Bond]

I've spent the morning converting my OpenID-Consumer 1.0 code to 2.0.
I've been hitting problems with providers that use SSL. I've now got to
the point where authenticating against my myopenid.com ID is working. I
then switched to the https://  version at myopenid and started getting
errors. After a bit of digging, I ended up patching temporarily
ParanoidHTTPFetcher.php to include the line

 curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);

around line 100

This lets me get to the point where the provider approval page is shown.
This seems to be a problem with php, curl, openssl and the local CA Cert
bundle on Windows that I haven't fully sorted yet.

However, after returning, I get the error message
 OpenID authentication failed: Server denied check_authentication
>From $response->message even though doing the exact same thing to the
http:// version of the Provider works fine. Any ideas on how to debug
this?

Windows XP
Apache 2.2
PHP 5.2.5
php-openid-2.0.0

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