DotNetOpenId gets a new face
Javier Román has completed his work on the new DotNetOpenId logo. I think he has done excellent work, and he did it for free in the spirit of contributing to…
How to make your OpenID Provider case insensitive
In my last post, I discussed why case sensitive OpenID URLs are so important for security. But case sensitive OpenID URLs are no fun at all for users. For instance,…
The case for case sensitive OpenID URL checking
URLs on the Internet are case sensitive by definition. Some web servers choose to be case insensitive. To treat OpenID urls as anything but case sensitive for purposes of identifying…
How to use DotNetOpenId’s Attribute Exchange extension
DotNetOpenId supports OpenID extensions, but does not provide samples for using any except the Simple Registration extension. Since the Attribute Exchange extension (AX) was added recently, which is more extensible…
How to add OpenID to your ASP.NET forms web site without using ASP.NET controls
Although DotNetOpenId makes adding OpenID support to your ASP.NET web site as easy as dropping a control on your page design surface, there are reasons you may want to take…
Why Yahoo! says your OpenID site’s identity is not confirmed
Are you building an OpenId 2.0 relying party site and having your visitors who use Yahoo! as their Provider see this message? Warning: This website has not confirmed its identity…
When NOT to use the C# “as” keyword
Both C++ and C# offer the cast () operator. C# also offers the "as" operator syntax which does almost the same thing and is considered by some to look prettier…
Uri.AbsoluteUri and Uri.ToString() are NOT the same
If you’re familiar with the System.Uri class you know that it has a couple of ways of becoming a string for purposes of communication: its AbsoluteUri property and its ToString()…
DotNetOpenId 2.1.0 released, adds Attribute Exchange support
DotNetOpenId had a double release tonight. Version 2.0.1 is a maintenance release with a few minor bug fixes. Version 2.1 adds built-in support for the Attribute Exchange extension, but introduces…
Enhancing the ASP.NET MVC OpenID login experience
In a previous post, I present an example of how to accept OpenIDs for logins on your ASP.NET MVC site. To keep the sample simple, I left out a feature…