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The concept of having to identify an entity before being allowed to perform any action is quite acceptable, and expected, and required in today's wired world. Password managers, graphical systems, pattern recognition, biometrics has always been found to be incapable of providing robust security in some or the other aspect, in critical authentication systems. In the authors' approach, the user at the time of profile creation is required to enter the password, minimum of 6 characters and a secret numeric PIN of minimum 4 digits.
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