Abstract
In today's competitive world, examinations are a means of assessing a person's potential. It is therefore important that such process be unbiased, but several cases have been encountered where candidates use proxies to write exams and score well. To deal with the same, generally we use multiple identity proofs to authenticate the candidate, which increases the privacy concern and expended on maintaining the extra data and keeping it secure. This paper introduces a novel authentication technique using bit plane-based encryption for fraud candidate detection during any stage of the selection process. Multiple visual cryptography-based method has been explored for its suitability. The effect of noise and differently chosen encryption scheme has also been observed. With the currently available infrastructure, it is quite easy to implement the proposed system for authentication of students and provide a level platform for competition.
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