An Identification System Combined with Fingerprint and Cryptography

In this paper, a design schema of a security authentication system combined with fingerprint identification and public key cryptography is explored, and its specific security mechanism is discussed in detail. In our schema, fingerprint is added into user´s private key and served as a security parameter, such that user´s secret key is separated into secret key parameters and fingerprint, by secret splitting mechanism, which makes the secret key to be bounded with user´s information. This increases the security of secret key ultimately. In such an authentication system, the diplex authentication technologies - fingerprint and smart card - are adopted, and the user fingerprint needn´t to be transmitted during the authentication process, which can protect user´s privacy effectively