A new approach to passport authentication

One of the serious issues today is about providing security and checking for the authenticity.  Here comes the question of difference between authorization and authentication in which authorization is about providing access to users while coming to authentication, it deals with the originality of user, that is, checking whether the user is the correct person to access or not.

One of the serious problems is how to authenticate the passport document for its holder. Most of the Passport document contains a holder's signature in addition, of course, to the full name. Here we present a method which uses the watermarking(Imaging) concept  at the time of passport issuing. The modern method of issuing a passport is by using a computer in fixing the passport's photo. In using this method we could hide the invisible watermark which contains the digest name and passport number inside the passport's photo. After having dealt with this process of issuing passport, it is very easy to check whether the details are correct or not by comparing the details from database and from the hidden watermark as the watermark contains digest name and the passport number.

We implement this method consisting of algorithms, one for getting values from the passport document, one for converting all the details into a single value and another for hiding the single value in the photo.

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