Dartmouth College PKI Lab
   Project to develop inter-institutional applications. Includes related links, research information and results, and contact information.
   http://www.dartmouth.edu/~pkilab/

Digital Signature Links
   Provide links to digital signature legislation, infrastructure initiatives, standards, certification authorities, and trusted third parties. (Juan Avellan)
   http://www.qmw.ac.uk/~tl6345/

NIST PKI Program
   An initiative to coordinate industry and technical groups developing PKI technology to foster interoperability of PKI products and projects. (National Institute of standards and Technology)
   http://csrc.nist.gov/pki/

Public Key Infrastructure
   Standards developed by the Open Group regarding PKI.
   http://archive.opengroup.org/public/tech/security/pki/index.htm

Query Certificate Managers
   Managing authenticated transmission of sensitive information over an insecure network.
   http://www.cis.upenn.edu/~qcm/

The Open Source PKI Book
   An attempt to register the available open source concerning PKI, and useful technical background info.
   http://ospkibook.sourceforge.net/

The PKI Page
   This page contains links to various sites and documents related to Public Key Infrastructure (PKI) material, especially links certificate authorities (CAs). (Stefan Kelm)
   http://www.pki-page.org/