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[Why fingerprinting?]
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Fingerprinting - A Case in Point
The basics of implementation and auditing a biometric solution are similar, whether the solution is a fingerprint, retina scan, iris scan, facial scan, palm scan, hand geometry, voice or signature dynamics. We shall study Fingerprinting Biometrics to a certain extent of detail hereunder.
Fingerprints have been for a long time the symbol for identifying a person. With the speed of change in IT, biometric solutions are becoming an appealing way to address access control since it can be used for both identification and verification. Thus far, it has been used often to protect areas with high security requirements.
Why Fingerprinting? The basic criteria for qualifying a biometric system for practical, every day use should contain the following characteristics.
· Universality describes how commonly a biometric is found in each individual. A Fingerprint (or a collection of fingerprints) is the most common form of biometric trait found on humans.
· Uniqueness is how well the biometric separates one individual from another. Fingerprints never match from person to person. Even identical twins have different fingerprints. Additionally, prints of two different fingers of the same person differ.
· Permanence measures how well a biometric resists aging. Fingerprints do not change throughout the person’s entire life.
· Collectability explains how easy it is to acquire a biometric for measurement. Current hardware technology makes fingerprint collection the easiest as compared to other forms of biometrics. All other forms of biometric traits require complex hardware to capture.
· Performance indicates the accuracy, speed, and robustness of the system capturing the biometric. This feature is more to do with the hardware and software package. However, extensive research into fingerprint collection hardware makes fingerprint reading simple and highly accurate. Further, the user has to only place his finger on the reader.
· Acceptability indicates the degree of approval of a technology by the public in everyday life. The ease of use of fingerprint authentication ensures acceptability. Further it is not an “invasive” form of a biometric trait.
· Circumvention is how hard it is to fool the authentication system. Duplicating a fingerprint pattern accurately is a very tough job. Even tougher is to guess the sequence in which the fingerprints are entered.
· Cost The most important factor when all the above attributes are met. Assuming that the cost of software is the same for all biometric trait collection and comparison, the most cost effective as well as functional hardware for biometrics is the finger print reader.
Fingerprinting Biometric technology is the most accepted method of authentication owing to the fact that it meets most of the generally accepted acceptance criteria mentioned above. Other forms of biometric verification fall way short of a practical implementation owing to various hindrances and shortfalls.
The fact that it is one of the oldest forms of biometric validation, much progress has been made into the art or science, whatever one may prefer to consider it to be.
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