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  1. No Access

    Chapter and Conference Paper

    Automatic Search of Linear Structure: Applications to Keccak and Ascon

    The linear structure technique was developed by Guo et al. at ASIACRYPT 2016, notably boosting the preimage attacks on Keccak. This technique transforming the preimage attack into solving algebraic systems allows...

    Huina Li, Guozhen Liu, Haochen Zhang, Peng Tang… in Information Security and Cryptology (2024)

  2. No Access

    Chapter and Conference Paper

    Exploring SAT for Cryptanalysis: (Quantum) Collision Attacks Against 6-Round SHA-3

    In this work, we focus on collision attacks against instances of SHA-3 hash family in both classical and quantum settings. Since the 5-round collision attacks on SHA3-256 and other variants proposed by Guo et al.

    Jian Guo, Guozhen Liu, Ling Song, Yi Tu in Advances in Cryptology – ASIACRYPT 2022 (2022)

  3. No Access

    Chapter and Conference Paper

    Rebound Attacks on  \(\textsf{SKINNY}\) Hashing with Automatic Tools

    In ToSC’20, a new approach combining Mix-Integer Linear Programming (MILP) tool and Constraint Programming (CP) tool to search for boomerang distinguishers is proposed and later used for rebound attack in ASIA...

    Shun Li, Guozhen Liu, Phuong Pham in Network and System Security (2022)

  4. No Access

    Chapter and Conference Paper

    Pseudo-Randomness of Discrete-Log Sequences from Elliptic Curves

    We investigate an upper bound on the discrepancy and a lower bound on the linear complexity of a class of sequences, derived from elliptic curves by using discrete logarithm in this paper. The results indicate...

    Zhixiong Chen, Ning Zhang, Guozhen **ao in Information Security and Cryptology (2008)

  5. No Access

    Chapter and Conference Paper

    Generalized ElGamal Public Key Cryptosystem Based on a New Diffie-Hellman Problem

    This paper proposes a new generalized ElGamal public key encryption scheme based on a new Diffie-Hellman problem, so-called EDDH problem, which DDH problem can be reduced to. This scheme is one-way if and only...

    Huawei Huang, Bo Yang, Shenglin Zhu, Guozhen **ao in Provable Security (2008)

  6. No Access

    Chapter and Conference Paper

    Some Notes on d-Form Functions with Difference-Balanced Property

    The relation between a cyclic relative difference set and a cyclic difference set is considered. Both the sets are with Singer parameters and can be constructed from a difference-balanced d-form function. Althoug...

    Tongjiang Yan, **aoni Du, Enjian Bai, Guozhen **ao in Arithmetic of Finite Fields (2007)

  7. No Access

    Chapter and Conference Paper

    Construction of Pseudo-random Binary Sequences from Elliptic Curves by Using Discrete Logarithm

    An upper bound is established for certain exponential sums with respect to multiplicative characters defined on the rational points of an elliptic curve over a prime field. The bound is applied to investigate ...

    Zhixiong Chen, Shengqiang Li, Guozhen **ao in Sequences and Their Applications – SETA 2006 (2006)

  8. No Access

    Chapter and Conference Paper

    A Fast Algorithm for Determining the Linear Complexity of Periodic Sequences

    An efficient algorithm for determining the linear complexity and the minimal polynomial of sequence with period p m q ...

    Shimin Wei, Guolong Chen, Guozhen **ao in Information Security and Cryptology (2005)

  9. No Access

    Chapter and Conference Paper

    Fast Algorithms for Determining the Linear Complexity of Period Sequences

    We introduce a fast algorithm for determining the linear complexity and the minimal polynomial of a sequence with period p n over GF(q) , where p is an odd prime, q is a prime and a primit...

    Guozhen **ao, Shimin Wei in Progress in Cryptology — INDOCRYPT 2002 (2002)