The structure of hardware, software, people, processes and policies that employs digital signature technology to facilitate a verifiable association between the public component of an asymmetric public key with a specific subscriber. Revoke a Certificate - To make a certificate ineffective permanently from a specified time forward. A secure method of sending email. Included in the latest versions of email clients from Microsoft and Netscape. A protocol layer created by Netscape to manage the security of transmissions in a network.
Security is achieved via encryption.
Smart Card - A plastic credit card sized card with an embedded microchip that can be loaded with data, electronic cash payments, and other applications. In combination with PKI a smart card can be used to establish your identity when logging on to an Internet access provider or to an online bank. Symmetric Cryptosystem - A cryptosystem where the same key is used in the encryption and decryption transformations. USB Token - Device that can be plugged into the USB port on any PC in order to legitimize users seeking to gain access to a computer or network. Stores passwords, private keys, and digital certificates on a portable token.