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    Chapter and Conference Paper

    A Multi-Group Signature Scheme from Lattices

    Group signature allows group members to sign on behalf of the group anonymously, and incorporate some tracing mechanism to identify the actual signer. Multi-group signature (MGS), introduced by Ateniese and Tsudi...

    Tian Qiu, Lin Hou, Dongdai Lin in Information and Communications Security (2020)

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    Chapter and Conference Paper

    Lattice HIBE with Faster Trapdoor Delegation and Applications

    In this paper, we propose a lattice-based HIBE scheme in the standard model with faster trapdoor delegation. It is proven secure under the Learning With Errors assumption. Inspired by Canetti et al.’s transformat...

    Guofeng Tang, Tian Qiu in Information and Communications Security (2020)

  3. Chapter and Conference Paper

    Hierarchical Group Signatures with Verifier-Local Revocation

    Group signatures are important when it comes to authentication with privacy. Hierarchical group signatures, as a proper generalization of group signatures, have splendid applications in e-commerce. One key iss...

    Lin Hou, Renzhang Liu, Tian Qiu, Dongdai Lin in Information and Communications Security (2018)