Digital certificate authentication and/or revocation

摘要

A method for issuing digital certificates to end users, servers and systems. In particular the method embodies a method for authentication and/or revocation of digital certificates used in at least one electronic network for securing transmission of electronic messages, information and/or data between a user and at least one third party by a Certification Authority. The method is capable of facilitating faster and more reliable authentication and/or revocation of digital certificates as compared to known methods. It allows revoked certificates to be cancelled and updated in real time. The present invention permits checking of the validity of the digital certificates in order to ensure that each use is a valid one. There is also provided an electronic machine (eg computer) readable medium and a system to carry out this method.