Digital Signature Guidelines Tutorial Discusses the legal implications of digital signature usage. (American Bar Association) http://www.abanet.org/scitech/ec/isc/dsg-tutorial.html

Electronic Commerce and Internet Law Resource Center A library of information regarding the legal issues surrounding cyberspace. (Perkins Coie llp) http://www.perkinscoie.com/resource/ecomm/ecomm.htm

PKI Law A PKI information exchange emphasizing emerging legal issues, to hasten the implementation of Public Key Infrastructure throughout the world http://www.pkilaw.com/

Digital Signature Resource Center A collection of links to digital signature related laws, policy development, e-commerce, and cryptography resources. (Internet Law and Policy Forum) http://www.ilpf.org/groups/index.htm#authentication

Openvalidation.org Offers information on how to use OSCP and SCVP, an online certificate revocation checker and searchable list of certification authorities. http://www.openvalidation.org/