Method for securing communication by selecting an encoding process using a first computer based upon ability of a second computer and deleting the process thereafter

A method of enhancing network security comprising the steps of

• (a) initiating a communication session between a first computer and a second other computer;
• (b) transmitting from the first computer to the second other computer in communication therewith a process for characterising user authorisation information;
• (c) characterising user authorisation information received at the second other computer to produce data using the process for characterising user authorisation information;
• (d) transmitting the data to the first computer;
• and
• (e) comparing the data received by the first computer to information on the first computer to determine a value indicative of a quality of user identification and when the quality is within predetermined limits for an acceptable quality, performing one of identifying a source of the authorisation information and authorising access from the second other computer to information secured by the first computer.