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  • A new efficient group signature with forward security
    Zhang, Jianhong, računalničar ; Wu, Qianhong ; Wang, Yumin
    A group signature scheme allows a group member to sign a message anonymously on behalf of the group. In case of a dispute, the group manager can reveal the actual identity of signer. In this paper, ... we propose a novel group signature satisfying the regular requirements. Furthermore, it also achieves the loffowing advantages: (1) the size of signature is independent of the number of group members; (2) the group public key is constant; (3) addition and revocation of group members are convenient; (4) it enjoys forward security; (5). The total computation cost of signature and verification requires only 8 modular exponentiations. Hence, our scheme is very practical in many applications, especially for the dynamic large group applications.
    Vir: Informatica : an international journal of computing and informatics. - ISSN 0350-5596 (Vol. 29, no. 3, 2005, str. 321-325)
    Vrsta gradiva - članek, sestavni del
    Leto - 2005
    Jezik - angleški
    COBISS.SI-ID - 19432743

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