Abstract
Visual cryptography is the technique used to encrypt the data which is in the form of visual information such as images. Since the biometric templates stored in the database is usually in the form of images, the visual cryptography can be efficiently employed to encrypt the templates from attacks. The technique of steganography is used in combination to the visual cryptography for imparting additional security to biometric data. The biometric information such as the private face image is decomposed into two shares and stored in separate database tables such that the private image can be revealed only when both shares are simultaneously available. Each individual share is covered with a different image which is selected from a public host image database. The LSB steganography is applied to keep the user name and password hidden inside the final shares of visual cryptographic phase there by provides a mutually interconnected security mechanism.
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Aeloor, D., Manjrekar, A.A. (2013). Securing Biometric Data with Visual Cryptography and Steganography. In: Thampi, S.M., Atrey, P.K., Fan, CI., Perez, G.M. (eds) Security in Computing and Communications. SSCC 2013. Communications in Computer and Information Science, vol 377. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40576-1_33
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DOI: https://doi.org/10.1007/978-3-642-40576-1_33
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