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1 2023

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Process of Fingerprint Authentication using Cancelable Biohashed Template

Mamatha K. R., Radhika K. R.

Computer Science

2023

T. 24 (4)

537--564

Template protection using cancelable biometrics prevents data loss and hack-ing stored templates, by providing considerable privacy and security. Hashingand salting techniques are used to build resilient systems. Salted password method is employed to protect passwords against different types of attacksnamely brute-force attack, dictionary attack, rainbow table attacks. Saltingclaims that random data can be added to input of hash function to ensureunique output. Hashing are speed bumps in an attacker’s road to breach user’sdata. Research proposes a contemporary two factor authenticator called Bio-hashing. Biohashing procedure is implemented by recapitualted inner productover a pseudo random number generator key, as well as fingerprint featuresthat are a network of minutiae. Cancelable template authentication used infingerprint-based sales counter accelerates payment process. Fingerhash is codeproduced after applying biohashing on fingerprint. Fingerhash is a binary stringprocured by choosing individual bit of sign depending on a preset threshold.Experiment is carried using benchmark FVC 2002 DB1 dataset. Authentica-tion accuracy is found to be nearly 97%. Results compared with state-of-artapproaches finds promising.