https://pqcrypto2025.iis.sinica.edu.tw/ 8-10 April 2025 ## Lattice-based Cryptography - **Module Learning With Errors With Truncated Matrices** https://link.springer.com/chapter/10.1007/978-3-031-86599-2_9 Katharina Boudgoust Hannah Keller University of Montpellier, CNRS, Aarhus University - **Lattice-Based Sanitizable Signature Schemes: Chameleon Hash Functions and More** https://link.springer.com/chapter/10.1007/978-3-031-86599-2_10 Sebastian Clermont Samed Düzlü Christian Janson Laurens Porzenheim Patrick Struck TU Darmstadt, University of Regensburg, Paderborn University, University of Konstanz - **Batch Anonymous MAC Tokens from Lattices** https://link.springer.com/chapter/10.1007/978-3-031-86599-2_12 Yingfei Yan Sherman S. M. Chow Yongjun Zhao Baocang Wang Xidian University, Chinese University of Hong Kong ## Lattice-based Cryptanalysis - **Discrete Gaussian Sampling for BKZ-Reduced Basis** https://link.springer.com/chapter/10.1007/978-3-031-86602-9_3 Amaury Pouly Yixin Shen CNRS, University of Rennes, Inria, IRISA - **Giant Does NOT Mean Strong: Cryptanalysis of BQTRU** https://link.springer.com/chapter/10.1007/978-3-031-86599-2_11 Ali Raya Vikas Kumar Aditi Kar Gangopadhyay Sugata Gangopadhyay Indian Institute of Technology - **Heuristic Algorithm for Solving Restricted SVP and its Applications** https://link.springer.com/chapter/10.1007/978-3-031-86602-9_5 Geng Wang Wenwen Xia Dawu Gu Shanghai Jiao Tong University, Xidian University ## Quantum Security - **Reducing the Number of Qubits in Solving LWE** https://link.springer.com/chapter/10.1007/978-3-031-86602-9_9 Barbara Jiabao Benedikt TU Darmstadt - **Quantum IND-CPA Security Notions for AEAD** https://link.springer.com/chapter/10.1007/978-3-031-86602-9_8 Mengyuan Zhang Wenling Wu Han Sui ## Security Proofs - **Treating Dishonest Ciphertexts in Post-Quantum KEMs – Explicit vs. Implicit Rejection in the FO Transform** https://link.springer.com/chapter/10.1007/978-3-031-86602-9_12 Kathrin Hövelmanns Mikhail Kudinov Eindhoven University of Technology - **Enhancing Threshold Group Action Signature Schemes: Adaptive Security and Scalability Improvements** https://link.springer.com/chapter/10.1007/978-3-031-86599-2_5 Michele Battagliola Giacomo Borin Giovanni Di Crescenzo Alessio Meneghetti Edoardo Persichetti Polytechnic University of the Marches, IBM, University of Zurich, Peraton Labs, University of Trento, Florida Atlantic University - **IND-CPAC: A New Security Notion for Conditional Decryption in Fully Homomorphic Encryption** https://link.springer.com/chapter/10.1007/978-3-031-86602-9_13 Bhuvnesh Chaturvedi Anirban Chakraborty Nimish Mishra Ayantika Chatterjee Debdeep Mukhopadhyay Indian Institute of Technology, Max Planck Institute for Security and Privacy