Abstract

Password storage is one of the most important cryptographic topics through the time. Different systems use distinct ways of password storage. In this paper, we developed a new algorithm of password storage using dynamic Key-Hashed Message Authentication Code function (d-HMAC). The developed improved algorithm is resistant to the dictionary attack and brute-force attack, as well as to the rainbow table attack. This objective is achieved by using dynamic values of dynamic inner padding d-ipad, dynamic outer padding d-opad and user’s public key as a seed.

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