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Journal of Undergraduate Research

Keywords

digital signature, client support, ObjA

College

Ira A. Fulton College of Engineering and Technology

Department

Technology

Abstract

With the ever increasing move to electronic documents in every industry and field, digital security is becoming a greater concern for everyone. Various departments within BYU have the concern of distributing images to the public and in-turn persons from the public fraudulently change the images and then claim that their modified image is the original. The mission of our project was to create a method for which the integrity of the image is preserved to produce a unique “Digital Signature” on the object at the time of archival. The objective of the Digital Signature Signing Server (DS3 ) project is to efficiently produce digital signatures (at time T1) for a vast quantity of digital objects and to provide the process to validate, at a later time (T2) as required, the integrity of the digital signature of a specific ObjA. As an example if DigSig(ObjA,T1) = DigSig(ObjA,T2) then the integrity of object ObjA, has been preserved since time T1. If the comparison yields a mismatch, then one can assume that ObjA has been modified. The goal is to allow “owners” of digital assets maintain the integrity of their assets and know when any modification (malicious or not) has occurred.

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