IN DISCUSSIONS ABOUT Web services security, a large elephant enters the room: Public Key Infrastructure. PKI is a foundation of the trust services to which the SAML (Security Assertions Markup ...

The original version of this story appeared in Quanta Magazine. For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a ...

This book excerpt is from Chapter 6 “Certificates and Certifications” of the newly released Understanding PKI, Second Edition: Concepts, Standards, and Deployment Considerations. It is posted with ...