Thawte offers a free digital signature service for email at www.thawte.com. This is a great and inexpensive way to secure email and to familiarize yourself with the PKI process directly. There is a plethora of digital certificate information at www.rsasecurity.com. They have great FAQs on digital certificates, as well as a listing of all of the PKCS syntax standards. www.pki-page.org/#DIGSIG contains a list of hyperlinks to information and standards regarding PKIs and digital certificates. |