暗号と情報セキュリティワークショップ（WCIS）は、国内の情報セキュリティ研究の活性化を目的として、 3大IACR カンファレンス (CRYPTO, EUROCRYPT, ASIACRYPT) や4大セキュリティ会議 (ACM CCS, IEEE S&P, Usenix Security, NDSS) 採録論文を中心に先進的な研究を日本国内で紹介して頂く招待講演を中心としたイベントです。 2018年以前にISEC研究専門委員会によって5月、9月、12月の研究会内で実施していた3大IACR カンファレンス発表論文に関する招待講演の後継となるイベントであり、 暗号と情報セキュリティシンポジウム（SCIS）のプレイベントとして2019年より年に1回の頻度で実施しています。
| 10:00-10:30 | Round-optimal Black-box Commit-and-prove with Succinct Communication (from CRYPTO 2020) | ○Susumu Kiyoshima (NTT Research) |
| 10:30-11:00 | Light Commands: Laser-Based Audio Injection Attacks on Voice-Controllable Systems (from Usenix Security 2020) | ○Takeshi Sugawara (The University of Electro-Communications), Benjamin Cyr (University of Michigan), Sara Rampazzi (University of Michigan), Daniel Genkin (University of Michigan), Kevin Fu (University of Michigan) |
| 11:00-11:30 | Melting Pot of Origins: Compromising the Intermediary Web Services that Rehost Websites (from NDSS 2020) | ○Takuya Watanabe (NTT), Eitaro Shioji (NTT), Mitsuaki Akiyama (NTT), Tatsuya Mori (Waseda University, NICT, and RIKEN AIP) |
| 11:30-12:00 | Automatic Verification of Differential Characteristics: Application to Reduced Gimli (from CRYPTO 2020) | ○Liu Fukang (East China Normal University and University of Hyogo), Takanori Isobe (University of Hyogo and NICT), Willi Meier (FHNW) |
| 12:00-13:30 | 休憩 |
| 13:30-14:00 | Optimal Broadcast Encryption from Pairings and LWE (from EUROCRYPT 2020) | Shweta Agrawal (IIT Madras), ○Shota Yamada (AIST) |
| 14:00-14:30 | Non-Committing Encryption with Quasi-Optimal Ciphertext-Rate Based on the DDH Problem (from ASIACRYPT 2019) | ○Yusuke Yoshida (Tokyo Institute of Technology), Fuyuki Kitagawa (NTT Secure Platform Laboratories), Keisuke Tanaka (Tokyo Institute of Technology) |
| 14:30-15:00 | Quantum Random Oracle Model with Auxiliary Input (from ASIACRYPT 2019) | Minki Hhan (Seoul National University), ○Keita Xagawa (NTT Secure Platform Laboratories), Takashi Yamakawa (NTT Secure Platform Laboratories) |
| 15:00-15:30 | 休憩 |
| 15:30-16:00 | GALACTICS: Gaussian Sampling for Lattice-Based Constant-Time Implementation of Cryptographic Signatures, Revisited (from ACM CCS 2019) | Gilles Barthe (MPI-SP and IMDEA Software Institute), Sonia Belaid (CryptoExperts), Thomas Espitau (Sorbonne Universite), Pierre-Alain Fouque (Univ Rennes), Melissa Ross (ENS and Thales), ○Mehdi Tibouchi (NTT Corporation) |
| 16:00-16:30 | Security of Hedged Fiat-Shamir Signatures under Fault Attacks (from EUROCRYPT 2020) | Diego F. Aranha (Aarhus University), Claudio Orlandi (Aarhus University), ○Akira Takahashi (Aarhus University), Greg Zaverucha (Microsoft Research) |
| 16:30-17:00 | Out of Oddity -- New Cryptanalytic Techniques against Symmetric Primitives Optimized for Integrity Proof Systems (from CRYPTO 2020) | Tim Beyne (KU Leuven), Anne Canteaut (Inria), Itai Dinur (Ben-Gurion University), Maria Eichlseder (TU Graz), Gregor Leander (Ruhr-Universitat Bochum), Gaetan Leurent (Inria), Leo Perrin (Inria), Maria Naya Plasencia (Inria), Yu Sasaki (NTT Secure Platform Laboratories), ○Yosuke Todo (NTT Secure Platform Laboratories), Friedrich Wiemer (Ruhr-Universitat Bochum) |
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