Aram Jivanyan

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Oblivious transfer protocol is an important cryptographic primitive having numerous applications and particularly playing an essential role in secure multiparty computation protocols. On the other hand existing oblivious transfer protocols are based on computational-ly expensive public-key operations which remains the main obstacle for employing such(More)
In this paper we develop a new construction of alignment-free fuzzy vault cryptosystem for fingerprints. The fuzzy vault scheme aims to secure user's critical data (secret encryption key) with the fingerprint data in a way that only the legitimate user is able to access the key by providing his fingerprint. The existing fuzzy vault constructions usually(More)
The contribution of this paper is twofold. First we present a new simple electronic voting scheme having standard re-encryption mix net back-end, which allows to cast a ballot and verify its correctness in a new way. Then we extend the proposed scheme to represent a new very efficient mix network construction. We called our mix network to be self-proving(More)
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