Digi-Sign is a Public Key Infrastructure [PKI] vendor offering Certificate Authority [CA] services and systems for digital certificates and electronic signatures used for Secure Socket Layer [SSL], Two Factor Authentication, Secure Email, National ID, ePassport, Document Signing, etc Digi-Sign is amongst the top ten providers of PKI & CA systems worldwide. The Digi-Sign Affiliates, Resellers & Partners [ARP] Network has many thousands of members providing, integrating and supporting its solutions. Many of Digi-Sign's applications are simple 'security add-ons' to existing systems. Offering the latest in PKI/CA technology that is more flexible, easier to administer, scale, maintain and support, means that Digi-Sign should be considered as the affordable, alternative PKI provider.