"Understanding Windows CardSpace: An Introduction to the Concepts and Challenges of Digital Identities"
The Secure Sockets Layer (SSL) certi?¬?cate provides extra assurance when a site is requesting sensitive information or protects an important resource, such as a bank account. In other cases, even though certi?¬?cates can be bought fairly cheaply, this requirement of using HTTPS can be a barrier to deploying CardSpace on some smaller sites. This is why as part of the .NET Framework 3.5, the requirement that an SSL certi?¬?cate be used was removed. However, it is still recommended for sites that want the strongest security because without it the token from CardSpace will not be encrypted, and the user will not be able to identify the site to the same level of certainty. CardSpace Walkthroughs An HTTPS page provides stronger security and better identi?¬?es the site 174 Windows CardSpace Information Card Object Tag To use CardSpace at a website, an Information Card