Your digital certificate could be used to allow you to connect to access controlled web sites automatically without entering a user name and password. Finally, digital certificates enable others to send private messages to you. Everyone who has a digital certificate can be traced and held accountable for their actions. Digital Certificates can be categorized into server certificates and personal certificates. The differences lie in the information they contain and who they identify.
Personal certificates serve to identify a person.
It follows that the contents of this type of certificate include the full name and personal particulars of an individual. Server certificates are used to ensure on-line transactions are secure. PKI is that portion of the security management infrastructure dedicated to the management of keys and certificates used by public key-based security services. A PKI, if done correctly, can assure the trustworthiness of public key-based cryptographic security mechanisms. Eventually , nearly all DoD employees will likely need a PKI to support daily activities.