AUTHENTICATION OF A REMOTE USER TO A HOST IN A DATA COMMUNICATION SYSTEM

摘要

A method of authenticating a remote user, using a remote computer device, to a host computer in a data communication system. Verification values are stored at the host computer, which are used to authenticate a remote user upon receipt of data from the remote computer device. Further data, including a next set of verification values calculated by the remote computer device are also sent to the host computer.