Conference Program

November 24th (Day 1), 2026

Time (JST) Session Content
09:00–09:30 Registration
09:30–09:50 Opening
09:50–11:05

Session 1: Symmetric and Homomorphic Cryptography

Session Chair: TBA

On the Convergence Boundary of Hermite Based Cleaning in Discrete CKKS

Asuman Dumlu

Related Differentials of 4×4 MDS Matrices: A Complete Characterization

Kamil Otal, Ali Mert Sülçe and Oğuz Yayla

Improved Periodic Distinguishers for LBlock and TWINE

Boyun Li, Qun Liu and Meiqin Wang

11:05–11:25 Coffee Break
11:25–12:25

Keynote I

Session Chair: TBA

Beyond Prompt Inspection: Monitor What LLMs Do, Not Just What Prompts Say

Prof. Rui Wen, Institute of Science Tokyo

12:25–13:35 Lunch
13:35–15:30

Session 2: Software, Systems and Cyberphysical Security

Session Chair: TBA

Compliance as Code: A Study of Linux Distributions and Beyond

Jukka Ruohonen, Esmot Ara Tuli and Hiraku Morita

Runtime Enforcement for Agentic CPS Tool Invocation

Mateo Petel

Security Issues Arising from Controller Conflicts in Matter Smart Home (Short Paper)

Hikari Suda and Kuniyasu Suzaki

Separating Simulation Artifacts in UAV Cyberattack Evaluation

Masaki Soshima and Kuniyasu Suzaki

Remote Attestation of Container Configurations in SEV-SNP Confidential VMs

Koki Ozama, Hiroki Kuzuno, Yoshiaki Shiraishi and Makoto Takita

15:30–16:20 Coffee Break & Poster Session 1
16:20–17:50

Session 3: Multiparty Computation and Card-Based Cryptography

Session Chair: TBA

Computer-Aided Proofs on Impossibility of Card-Based Protocols Using Only Random Cuts

Kakeru Watanabe, Shota Ikeda, Kazumasa Shinagawa, Takaaki Mizuki and Kazuki Yoneyama

Formal Verification of Fair Multi-Party Computation based on Financial Penalties using Smart Contracts (Short Paper)

Kakeru Watanabe and Kazuki Yoneyama

Card-Based Zero-Knowledge Proofs for Norinori with Two or Three Shuffles

Haruki Homma, Shota Ikeda and Kazumasa Shinagawa

Collaborative Rate Limiting Nullifier Signaling

Yağmur Gürel, Oğuz Yayla and Uğur Şen

17:50–18:00 Transition to Reception
18:00– Reception Museion

November 25th (Day 2), 2026

Time (JST) Session Content
09:30–11:10

Session 4: AI/ML Security

Session Chair: TBA

Risk-Aware Machine Learning: Defending Against Poisoning Attacks Through Risk Estimation and Ensemble Training

Jasmita Malik, Raja Muthalagu and Pranav Mothabhau Pawar

AI-Enabled Cyber Attacks and Attribution Challenges: A Framework for Risk and Accountability

Anjali Kaushik

A Formal Grammar Approach to Metamorphic Binary Transformation

Matteo Ciccaglione, Pierciro Caliandro and Alessandro Pellegrini

Source-Validated Selective LLM Invocation for Direct Prompt-Injection Attempt Detection under False-Bypass Constraints

Ryuto Kitajima, Souya Yoshizuka, Kohei Miyamoto, Takeshi Takahashi and Kouichi Sakurai

11:10–11:40 Break & Poster Session 2
11:40–12:40

Keynote II

Session Chair: TBA

Towards Quantum-safe privacy-preserving identification schemes

Prof. Carsten Baum, Technical University of Denmark

12:40–14:00 Lunch
14:00–17:00 Excursion National Museum of Nature and Science
18:00–20:00 Banquet Ueno Seiyoken

November 26th (Day 3), 2026

Time (JST) Session Content
09:30–11:00

Session 5: Post-Quantum Cryptography

Session Chair: TBA

Improvements of Solving the Norm Equation in PEGASIS

Ryo Negishi, Katsuyuki Takashima and Masaya Yasuda

Solving systems of polynomial equations with multi-degrees via Macaulay matrices

Shuhei Nakamura

Higher-Order Bonferroni Bounds for the Solution-Existence Probability of Multivariate Polynomial Systems over Finite Fields

Rintaro Matsumoto, Kosuke Sakata and Tsuyoshi Takagi

Implementation and Performance Evaluation of SQIsign2DPush (Short Paper)

Taketo Kitahama, Kohei Nakagawa, Haruhisa Kosuge and Koutarou Suzuki

11:00–11:20 Coffee Break
11:20–13:00

SCIS & CSS Session

Session Chair: TBA

TBA

13:00–13:10 Closing