Accurate and automatic identification and verification of users are essential in all system. Shared secrets like Personal Identification Numbers or Passwords and key devices such as Smart Cards are not presently adequate in few situations. What is necessary is a system that could authenticate that the person is the person. The biometrics is improving the capability to recognize the persons. The usage of biometrics system permits the identification of a living person according to the physiological or behavioral features to be accepted without human involvement. The construction of cryptographic key from biometrics is used to make safe our system. To implement this concept, sender’s recent fingerprint would be used to construct key by combining it with the information. For key decryption, the sender’s Database fingerprint images, which are previously kept by receiver’s end, would be used.
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