Volume 2 Issue4



Abstract : In today’s internet world it is very essential to secretly share biometric data stored in the central database. There are so many options to secretly share biometri c data using cryptographic computation. This work reviews and applies a perfectly secure method to secretly share biometric data,for possible use in biometric authentication and protection based on conc ept of visual cryptography. The basic concept of proposed approach is to secretly share private imag e into two meaningful and unexpanded shares (sheets) that are stored in two separate database servers such that decryption can be performed only when both shares are simultaneously available;at the same ti me,the individual share do not open identity of the private image. Previous research,such as Arun Ross et al. in 2011,was using pixel expansion for encryption,which causes the waste of storage space and transmission time. Furthermore,some researcher such as Hou and Quan’s research in 2011,producing m eaningless shares,which causes visually revealing existence of secret image. In this work,we review visual cryptography scheme and apply them to secretly share biometric data such as fingerprint,face images for the purpose of user authentication. So,using this technique we can secretly share biometric data over internet and only authorized user can decrypt the information.

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Mr. V.B.Phadtare , Dr. V.R. Ghorpade , "MEANINGFUL AND UNEXPANDED SHARES FOR VISUAL SECRET SHARING SCHEMES", IJIERT - International Journal of Innovations in Engineering Research and Technology, Volume 2 Issue4, ISSN : 2394-3696, Page No.