Of late, biometric is being integrated with cryptography
(called crypto-biometric system) to alleviate the
limitations of the above-mentioned systems [5,6]. Biometric
is the unique measure of the identity of individuals
with their behavioral and physiological traits like
face, fingerprint, iris, retina, palm-print, speech, etc. [7].
Many researchers are trying to use biometric traits in
the authentication component of cryptography to remove
the requirement of password-based authentication. The
integration of biometric with cryptography, deals with
either cryptographic key release [8-10] or cryptographic
key generation [6,11-17], is promising in many aspects. As
biometric is directly linked with the owner, it removes the
problem tomemorize the cryptographic key and confirms
the non-repudiation of users.