Course Solutions Uncategorized (Solved) : Passfaces Based Password System Described Lectures Consider Passfaces System Database Face Q27364679 . . . .

(Solved) : Passfaces Based Password System Described Lectures Consider Passfaces System Database Face Q27364679 . . . .

 

The Passfaces based password system was described during lectures. Consider a Passfaces system with a database of faces containing 100 entries in total. A user of this system is given a set of 5 randomly chosen passfaces from the database to memorize as their password. During verification, a user is presented with 5 challenges. In each challenge the user is shown a 3 x 3 matrix of faces. Each matrix includes one passface from the users password set, and also 8 decoy faces chosen randomly from the remaining 95 entries in the database. In each challenge the user is 

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