1. A method for authenticating an individual using a physical key associated with the individual, the method comprising: storing, in a storage medium, first object data generated based on a first image of at least a portion of the physical key, said at least a portion of said physical key including an outline of a blade of said physical key; capturing, using an imaging device, a second image of said at least a portion of said physical key; generating, using a processing device, second object data based on said second image; searching, using said processing device, said storage medium and determining based on said searching that said second object data and said first object data are a match; and authenticating an individual associated with said physical key based on said second object data and said first object data matching.