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Ratio Attack on G+G Convoluted Gaussian Signature
Chik How Tan, Theo Fanuela Prabowo, Wei Guo Foo
A lattice-based signature, called G+G convoluted Gaussian signature, was proposed in ASIACRYPT 2023 and was proved secure in the quantum random oracle model. In this paper, we prop…
Key Recovery Attack on Rank Quasi-Cyclic Code-based Signature Scheme
Terry Shue Chien Lau, Chik How Tan
Rank Quasi-Cyclic Signature (RQCS) is a rank metric code-based signature scheme based on the Rank Quasi-Cyclic Syndrome Decoding (RQCSD) problem proposed by Song et al. in [2]. The…
On the near prime-order MNT curves
Duc-Phong Le, Nadia El Mrabet, Safia Haloui +1
In their seminar paper, Miyaji, Nakabayashi and Takano introduced the first method to construct families of prime-order elliptic curves with small embedding degrees, namely k = 3,…
Breaking the Estream Finalists and AES Modes of Operation Faster than Exhaustive Search
Khoongming Khoo, Chik How Tan
This paper explores the time-memory-data trade-off attack on stream and block ciphers.