I was looking for material on designing & implementing PKI, after a lot of searching, i stumbled across below post from MS DS Team lead NedPyle & i can bet you can’t find such a fine & details info anywhere else. I decided to include in my my blog for my as well as for others reference. Take a look at below understanding & implementing PKI.
The below Guide contains following & its a best resource for starting designing & implementing of PKI certificates.
Designing and Implementing a PKI: Part I Design and Planning
Designing and Implementing a PKI: Part II Implementation Phases and Certificate Authority Installation
Designing and Implementing a PKI: Part III Certificate Templates
Designing and Implementing a PKI: Part IV Configuring SSL for Web Enrollment and Enabling Key Archival
Designing and Implementing a PKI: Part V Disaster Recovery
Windows PKI documentation reference
http://blogs.technet.com/b/pki/archive/2007/08/19/windows-pki-documentation-reference.aspx