Browsing by Subject "ID-based"

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    Generalized ID-based blind signatures from bilinear pairings
    (IEEE, 2008-10) Kalkan, Said; Kaya, Kamer; Selçuk, Ali Aydın
    Blind signature schemes provide the feature that a user is able to get a signature without giving the actual message to the signer. Recently a number of ID-based blind signatures have been proposed. In this paper, we introduce the concept of generalized ID-based blind signatures based on ElGamal signature variants. We obtain several new ID-based blind signatures from this generalized scheme which have not been explored before and some of them turn out to be more efficient than previously proposed schemes. © 2008 IEEE.
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    Generalized ID-based ElGamal signatures
    (IEEE, 2007-11) Kalkan, Said; Kaya, Kamer; Selçuk, Ali Aydın
    ID-based cryptography has been a very active area of research in cryptography since bilinear pairings were introduced as a cryptographic tool, and there have been many proposals for ID-based signatures recently. In this paper, we introduce the concept of generalized ID-based ElGamal signatures and show that most of the proposed ID-based signature schemes in the literature are special instances of this generalized scheme. We also obtain numerous new signatures from this generalized scheme which have not been proposed before. ©2007 IEEE.