User and technical documentation as well as source code. Site includes a technology explanation and case studies. Product and corporate information. Theory of Identification and Authentication - History and development of mechanisms and techniques. Unisys - Makers of several related products.
Site includes rationale as well as comprehensive usage information.
Vasco - Makers of both software and hardware systems. Demos, case studies and product information. XML-based digital signatures. Includes a comparison with traditional public-key systems. Help build the largest human-edited directory on the web.