Securing Your Brand In Cyberspace

摘要

As we move into the 'Internet Age' and increasingly trade online new methods of establishing identity are required. Without the fulfillment of this simple requirement there can be no trust in Internet transactions. Public Key cryptosystems are now widely accepted as the most sensible solution for establishing identity online. However, whilst the mathematics of Public Key Encryption itself is robust, the provision of key-pairs and certificates is dependent on an associated administrative infrastructure. This infrastructure has four main components: the three 'logical' authorities (the 'Issuing Authority', the 'Registration Authority' and the 'Certificate Authority') as well as the 'Certificate Practice Statement' (CPS) which details the policies, responsibilities and liabilities than govern the operation of the PKI.