Behavioural Biometrics: Utilizing Eye-Tracking to Generate a Behavioural Pin Using the Eyewriter

Biometric technology allows a computer system to identify and authenticate a person directly based on physical or behavioural traits. A human body is absolutely unique. Each human body on earth, if measured by composition on molecular level, is so unique, that the particular composition has never existed before. When that human cease to exist, that unique composition will never exist again. However the ability to measure a human to a molecular level of accuracy is not currently possible with existing technology. Biometrics refers to the science and technology that measure and statistically analyse human body characteristics and biological data. DNA, fingerprints, eye retinas and irises, facial patterns and hand geometry are used for biometric for authentication purposes. Apart from having unique physical traits, all human also exhibit unique behavioural traits. The way that a person talks, or the way that a person walks (a person’s gait) can all assist in the identification of the person. Various research projects focused on the way that a person types a password. This behavioural trait can then be used to strengthen the security of a supplied password. This paper reports on research that investigates the uniqueness of eye movement. The way a person creates a pin, using his or her eyes are used as a behavioural biometric to strengthen the pin that is supplied. Eye tracking technology usually involves costly equipment such as the Tobii eye tracking system. For this research the Eyewriter system is used due to the affordability and the open source nature of the Eyewriter hardware and software. Earlier research concluded that the movement of a human eye is unique. Behavioural eye biometrics can be used to authenticate a human in a one to one match environment.