Mon, Jul 13 AM 10:15 - 11:30 [updated] 10:15 - 11:55 |
(1) ISEC |
10:15-10:40 |
On the number of queries necessary for the reaction attack on fully-homomorphic encryption FHEW |
Yuki Koizumi, Yuichi Kaji (Nagoya Univ.) |
(2) ISEC [updated] (3) ISEC |
10:40-11:05 [updated] 11:05-11:30 |
Utilizing Search Patterns to Improve Query Recovery Attacks against Searchable Encryption |
Ryousuke Muramatsu (FUN), Takumi Namiki (UEC), Yohei Watanabe (UEC/AIST) [updated] Ryousuke Muramatsu (FUN), Takumi Namiki, Yohei Watanabe (UEC) |
(3) ISEC [updated] (4) ISEC |
11:05-11:30 [updated] 11:30-11:55 |
A Generic Construction of Public-Key Authenticated Re-Encryption With Keyword Search [updated] A generic construction of Public-key Authenticated Re-Encryption With Keyword Search |
Daichi Matsushita, Keisuke Hara (The Univ. of Osaka/AIST), Kyosuke Yamashita (Chuo Univ./AIST) |
Mon, Jul 13 AM 10:15 - 11:55 |
(4) [updated] (5) |
10:15-10:40 |
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(5) [updated] (6) |
10:40-11:05 |
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(6) [updated] (7) |
11:05-11:30 |
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(7) [updated] (8) |
11:30-11:55 |
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Mon, Jul 13 AM 10:15 - 11:55 |
(8) HWS [updated] (9) HWS |
10:15-10:40 |
Investigation of Adversarial Training Methods oriented toward Toroidal Space |
Shunichi Kato, Shu Takemoto, Yusuke Nozaki, Masaya Yoshikawa (Meijo Univ.) |
(9) HWS [updated] (10) HWS |
10:40-11:05 |
Evaluation of Robustness and Verification Capability of Soft-Label-Controlled Model Fingerprints under Multiple Input Preprocessing Transformations |
Naoto Katakai, Shu Takemoto, Yusuke Nozaki, Masaya Yoshikawa (Meijo Univ.) |
(10) HWS [updated] (11) HWS |
11:05-11:30 |
A Study on Localizing Partially Manipulated Image Regions Using Pre- and Post-Reconstruction Differences in Latent Space |
Takumi Kano, Shu Takemoto, Yusuke Nozaki, Masaya Yoshikawa (Meijo Univ.) |
(11) HWS [updated] (12) HWS |
11:30-11:55 |
Evaluation of GNN-Based Key Prediction Attacks Against LumiLock and Defense Through Lock-Structure Perturbation [updated] Evaluation of GNN-based Attacks on LumiLock and Investigation of Defense Methods |
Tsunato Nakai, Takuya Higashi (Mitsubishi Electric) |
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11:55-13:25 |
Lunch Break ( 90 min. ) |
Mon, Jul 13 PM 13:25 - 15:05 |
(12) ISEC [updated] (13) ISEC |
13:25-13:50 |
Notification-Permission-Requesting reCAPTCHA Spoofing Pages Indexed in Google Search [updated] Notification-Requesting reCAPTCHA Spoofing Pages Indexed in Google Search |
Masamichi Aoki, Rin Miyachi, Taiichi Saito (TDU) |
(13) ISEC [updated] (14) ISEC |
13:50-14:15 |
Obfuscation Tool Identification for .NET Malware Analysis |
Watanabe Kosuke, Saito Taiichi (TDU) |
(14) ISEC [updated] (15) ISEC |
14:15-14:40 |
Toward Application-Identity-Centric Egress Control on Windows Endpoints |
Mingjen Hsieh (Affiliation (Short name for advance program)) |
(15) ISEC [updated] (16) ISEC |
14:40-15:05 |
A Study on the Typology of Port Scan Behaviors Using First Payload Features from Darknet Observations |
Ryoto Shiraishi, Yasuhiro Nakamura, Hidema Tanaka (NDA) |
Mon, Jul 13 PM 13:25 - 15:05 |
(16) [updated] (17) |
13:25-13:50 |
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(17) [updated] (42) |
13:50-14:15 [updated] 09:40-10:05 |
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(18) [updated] (19) |
14:15-14:40 |
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(19) [updated] (20) |
14:40-15:05 |
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Mon, Jul 13 PM 13:25 - 14:40 [updated] 13:25 - 15:05 |
(20) SITE [updated] (21) SITE |
13:25-13:50 |
A Systematic Study of Legal Regulation Concerning AI Governance in Japan
-- Current Legal Regulation of AI That Replicates Individuals and Future Prospects -- [updated] The Function of Tort Law in AI Governance
-- Focusing on AI Training Methods and Human Identity -- |
Yuki Okamura, Miho Ikeda (NTT) |
(21) SITE [updated] (23) SITE |
13:50-14:15 [updated] 14:15-14:40 |
Structure and Evolution of the EU Cloud Sovereignty Framework
-- Focusing on the SEAL Evaluation Scheme and Initial Procurement Case Studies -- |
Naonori Kato (KDDI Research/NFI), Yosuke Murakami (KDDI Reaserch) |
(22) SITE [updated] (24) SITE |
14:15-14:40 [updated] 14:40-15:05 |
DLT Terms 100: for Learners based on JIS X 22739:2026 |
Yusuke Kaneko, Takumi Aita, Kohei Ichihara, Hiroki Watanabe (JRI) [updated] Yusuke Kaneko (JRI) |
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15:05-15:15 |
Break ( 10 min. ) |
Mon, Jul 13 PM 15:15 - 16:30 |
(23) [updated] (25) |
15:15-15:40 |
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(24) [updated] (26) |
15:40-16:05 |
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(25) [updated] (27) |
16:05-16:30 |
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Mon, Jul 13 PM 15:15 - 16:30 |
(26) [updated] (28) |
15:15-15:40 |
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(27) [updated] (29) |
15:40-16:05 |
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(28) [updated] (30) |
16:05-16:30 |
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Mon, Jul 13 PM 15:15 - 16:30 |
(29) BioX [updated] (31) BioX |
15:15-15:40 |
Enhancing Pair Authentication Using Hand Motion and Heart-Rate Data |
Bashir Mohammad Abdul, Jie Jin, Masakatsu Nishigaki, Tetsushi Ohki (Shizuoka University) |
(30) BioX [updated] (32) BioX |
15:40-16:05 |
Behavioral Authentication for eSports Players: A Deep Learning Approach Based on Input Behavior |
Tanglei Ni, Franziska Zimmer, Ryosuke Kobayashi, M N S Perera, Mhd Irvan, Rie Shigetomi Yamaguchi (UTokyo) |
(31) BioX [updated] (33) BioX |
16:05-16:30 |
A Study on Avatar Secret Mode Utilizing Nudges and Gamification [updated] A Study on Avatar Secret Mode Using Nudges |
Kazuki Takabayashi, Itta Matsuda, Yang fan, Shiro Yamada, Takato Yokoyama, Tetsushi Ohki, Masakatsu Nishigaki (Shizuoka Univ.) |
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16:30-16:40 |
Break ( 10 min. ) |
Mon, Jul 13 PM 16:40 - 17:55 |
(32) [updated] (34) |
16:40-17:55 |
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Mon, Jul 13 PM 16:40 - 17:55 |
(33) [updated] (35) |
16:40-17:05 |
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(34) [updated] (36) |
17:05-17:30 |
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(35) [updated] (37) |
17:30-17:55 |
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Mon, Jul 13 PM 16:40 - 17:30 [updated] 16:40 - 17:55 |
(36) [updated] (38) |
16:40-17:05 |
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(37) [updated] (39) |
17:05-17:30 |
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Tue, Jul 14 AM 09:15 - 10:30 |
(38) [updated] (41) |
09:15-09:40 |
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(39) [updated] (18) |
09:40-10:05 [updated] 13:50-14:15 |
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(40) [updated] (43) |
10:05-10:30 |
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Tue, Jul 14 AM 09:15 - 10:30 |
(41) EMM [updated] (44) EMM |
09:15-09:40 |
A Method for Adversarial Attacks against Instance Segmentation Models Equipped on Physical Devices |
Shota Tokiwagi, Yuya Okadome, Kazuaki Nakamura (Tokyo Univ. of Science) |
(42) EMM [updated] (45) EMM |
09:40-10:05 |
A Study on Multimodal Video Summarization
-- Formulation as a Column Subset Selection Problem Based on BoF Features -- |
Natsuko Nishi, Michiharu Niimi (KIT) |
(43) EMM [updated] (46) EMM |
10:05-10:30 |
Modular speaker diarization without speaker count estimation |
Naoki Hata, Shota Morita (Fukuyama Univ.) |
Tue, Jul 14 AM 09:15 - 10:30 |
(44) [updated] (47) |
09:15-09:40 |
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(45) [updated] (48) |
09:40-10:05 |
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(46) [updated] (49) |
10:05-10:30 |
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10:30-10:40 |
Break ( 10 min. ) |
Tue, Jul 14 AM 10:40 - 11:55 |
[updated] (50) |
- [updated] 10:40-11:55 |
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Tue, Jul 14 AM 10:40 - 11:55 |
(47) EMM [updated] (51) EMM |
10:40-11:05 |
Domain Adaptation for Vision Mamba with Perceptual Image Encryption |
Jiachen Zhou, Kiyoshi Nishikawa, Hitoshi Kiya (Tokyo Metropolitan Univ.) |
(48) EMM [updated] (52) EMM |
11:05-11:30 |
Ownership Verification of DNN Models Using Probability-Controlled White-Box Adversarial Attacks |
Teruki Sano, Minoru Kuribayashi, Masao Sakai, Shuji Isobe, Eisuke Koizumi, Zhang Zhang, Satoru Matsumoto (Tohoku Univ.) |
(49) EMM [updated] (53) EMM |
11:30-11:55 |
Access Control for Latent Diffusion Models Using the Covariance Matrix of Noise Distribution as Secret Keys |
Temma Tanaka, Kazuaki Nakamura (Tokyo Univ. of Science) |
Tue, Jul 14 AM 10:40 - 11:55 |
(50) [updated] (54) |
10:40-11:05 |
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(51) [updated] (55) |
11:05-11:30 |
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(52) [updated] (56) |
11:30-11:55 |
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11:55-13:25 |
Lunch Break ( 90 min. ) |
Tue, Jul 14 PM 13:25 - 15:05 |
(53) HWS [updated] (57) HWS |
13:25-13:50 |
A Study on Deep Learning-Based Side-Channel Attacks Using Multiple Leakage Sources for SLH-DSA |
Takumi Kuwabara, Akira Ito, Naofumi Homma (Tohoku Univ.) |
(54) HWS [updated] (58) HWS |
13:50-14:15 |
A Study of Side-Channel Attacks on the High-Order Decompose Gadget in ML-DSA |
Junichi Sakamoto, Ryo Iijima (AIST) |
(55) HWS [updated] (59) HWS |
14:15-14:40 |
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(56) HWS [updated] (60) HWS |
14:40-15:05 |
A Low-Overhead Automorphism Architecture via Address Mapping Optimization for CKKS Fully Homomorphic Encryption |
Pengfei Sun, Makoto Ikeda (UTokyo) |
Tue, Jul 14 PM 13:25 - 15:05 |
(57) ICSS [updated] (61) ICSS |
13:25-13:50 |
A Large-Scale Survey of Security Features in IoT Devices Based on Firmware Analysis: 2021-2025 |
Takayoshi Miyake, Ryota Yoshimoto, Toshihiro Yamauchi (Okayama Univ.) |
(58) ICSS [updated] (62) ICSS |
13:50-14:15 |
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(59) ICSS [updated] (63) ICSS |
14:15-14:40 |
Improving the Stability of Graph-based APT Detection with LLM Sentence Embeddings |
Shota Sakamaki, Hiroki Kanezashi, Toyotaro Suzumura, Tomohiro Kudoh (UTokyo) [updated] Shota Sakamakai, Hiroki Kanezashi, Toyotaro Suzumura, Tomohiro Kudoh (UTokyo) |
(60) ICSS [updated] (64) ICSS |
14:40-15:05 |
Reproducibility Issues in Simulating Cyberattacks on Drones
-- Case Studies Using PX4 and ArduPilot -- |
Masaki Soshima, Kuniyasu Suzaki (IISEC) |
Tue, Jul 14 PM 13:25 - 15:05 |
(61) [updated] (65) |
13:25-13:50 |
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(62) [updated] (66) |
13:50-14:15 |
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(63) [updated] (67) |
14:15-14:40 |
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(64) [updated] (68) |
14:40-15:05 |
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15:05-15:15 |
Break ( 10 min. ) |
Tue, Jul 14 PM 15:15 - 16:30 |
(65) [updated] (69) |
15:15-16:30 |
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Tue, Jul 14 PM 15:15 - 16:30 |
(66) EMM [updated] (70) EMM |
15:15-15:40 |
Can ciphertext be made indistinguishable from plaintext? |
Naofumi Aoki (Hokkaido Univ.) |
(67) EMM [updated] (71) EMM |
15:40-16:05 |
LoRA-ViT in key-based domain adaptation for learnable image encryption |
Haiwei Lin, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (TMU) |
(68) EMM [updated] (72) EMM |
16:05-16:30 |
Enhanced Robustness against Deep Model Inversion Attacks Using Learnable Image Encryption |
Mare Hirose, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (TMU) |
Tue, Jul 14 PM 15:15 - 16:30 |
(69) ISEC [updated] (73) ISEC |
15:15-15:40 |
A Sufficient Condition for Zero Reductions in HDF4 Based on Degree-Four Macaulay Matrix Polynomials |
Jiei Suto, Kosuke Sakata, Tsuyoshi Takagi (UTokyo) |
(70) ISEC [updated] (74) ISEC |
15:40-16:05 |
Improvement of Identity-Based Encryption based on the Middle-Product LWE Assumption |
Seiryu Kawano, Takumi Nishimura, Atsushi Takayasu (Tokyo Univ.) |
(71) ISEC [updated] (75) ISEC |
16:05-16:30 |
Inversion of Complexity in Boyer's Quantum Algorithm for Hash Puzzle [updated] Reversal Complexity Behavior of Boyer's Quantum Algorithm for Hash Puzzle |
Masato Hikawa, Yuichi Kaji (Nagoya Univ.) |
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16:30-16:40 |
Break ( 10 min. ) |
Tue, Jul 14 PM 16:40 - 17:55 |
(72) [updated] (76) |
16:40-17:05 |
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(73) [updated] (77) |
17:05-17:30 |
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(74) [updated] (40) |
17:30-17:55 |
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Tue, Jul 14 PM 16:40 - 17:30 [updated] 16:40 - 17:55 |
(75) EMM [updated] (78) EMM |
16:40-17:05 |
Speech watermarking using time-stretching and compression with blind detection |
Takuto Isoyama, Mugi Kawasaki (TMCIT), Masashi Unoki (JAIST) |
(76) EMM [updated] (79) EMM |
17:05-17:30 |
Study on DNN-based Blind Speech Watermarking Method by Using LP-DSS |
Tran-Quang-Tuan Vo, Huy Quoc Nguyen, Candy Olivia Mawalim, Masashi Unoki (JAIST) |
Tue, Jul 14 PM 16:40 - 17:55 |
(77) ISEC [updated] (80) ISEC |
16:40-17:05 |
Transcript Analysis of $Sigma$ Protocols from a Computational Differential Privacy Perspective |
Atsushi Fujioka (Kanagawa Univ.) |
(78) ISEC [updated] (81) ISEC |
17:05-17:30 |
Puncturing of Signing Keys for Median-Sum One-Time Signatures |
Ren Inuzuka, Yuichi Kaji (Nagoya Univ.) |
(79) ISEC [updated] (82) ISEC |
17:30-17:55 |
Revisiting Formalization of Predicate Aggregate Signature |
Hiroaki Anada (Meiji Gakuin Univ.), Masayuki Fukumitsu (SUN), Shingo Hasegawa (Fukushima Univ.) |
Wed, Jul 15 AM 09:15 - 10:30 |
(80) ICSS [updated] (83) ICSS |
09:15-09:40 |
Observation and Analysis of Cyberattacks Targeting Self-Hosted LLM Servers |
Kanta Okugawa (NICT/Ritsumeikan University), Daisuke Makita, Masaki Kubo (NICT), Koichi Mouri (Ritsumeikan University/NICT), Takahiro Kasama (NICT) |
(81) ICSS [updated] (84) ICSS |
09:40-10:05 |
Measuring Third-Party Service Dependencies in Darknet Markets |
Akinori Uchino, Aiman Syazwan Bin Abdul Razak, Yin Minn PaPa, Katsunari Yoshioka (YNU) |
(82) ICSS [updated] (85) ICSS |
10:05-10:30 |
Analysis of Double-Extortion Negotiation Strategies and Shared Victims Across Ransomware Groups Based on Ransomware Leak Site Observations |
Tatsuki Yogo (YNU), Yin Minn Pa Pa (IAS, YNU), Junji Shikata, Katsunari Yoshioka (FEIS, YNU) |
Wed, Jul 15 AM 09:15 - 10:30 |
(83) [updated] (86) |
09:15-09:40 |
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(84) [updated] (87) |
09:40-10:05 |
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(85) [updated] (88) |
10:05-10:30 |
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Wed, Jul 15 AM 09:15 - 10:30 |
(86) ISEC [updated] (89) ISEC |
09:15-09:40 |
Complexity Analysis of Hybrid Polynomial Multiplication with Incomplete NTT and Toom-4 for Lattice-Based Cryptography |
Sakura Oku, Momonari Kudo (Fukuoka Inst. of Tech.) |
(87) ISEC [updated] (90) ISEC |
09:40-10:05 |
Computational Complexity Analysis of the Quantum Prange Algorithm Based on the Krylov Subspace Method |
Asuka Wakasugi (Univ. of Tsukuba/EAGLYS), Noboru Kunihiro (Univ. of Tsukuba) |
(88) ISEC [updated] (91) ISEC |
10:05-10:30 |
High-Speed AVX2 Implementation of NTRU-HPS-4096-1229 KEM [updated] High-Speed Implementation of NTRU-hps40961229 Using AVX2 |
Issei Shirai, Atsushi Fujioka (Kanagawa Univ.), Akira Nagai (NTT), Kan Yasuda (Kogakuin Univ.), Masataka Saito (NTT DATA INTELLILINK) |
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10:30-10:40 |
Break ( 10 min. ) |
Wed, Jul 15 AM 10:40 - 11:55 |
(89) ICSS [updated] (92) ICSS |
10:40-11:05 |
Analysis of Malicious Traffic Clusters Exploitable to Poisoning Attacks in a LightGBM-based NIDS |
Yusha Yazici (Nagoya Univ.), Hirokazu Hasegawa (NII), Yukiko Yamaguchi, Hajime Shimada (Nagoya Univ.) |
(90) ICSS [updated] (93) ICSS |
11:05-11:30 |
Design and Evaluation of a Hardware-Separated Hybrid Signature Architecture during the PQC Migration Period |
Akane Suzuki, Mitsuhiro Shimbo, Manami Suzuki, Kosuke Anzai, Takahiro Fujishiro (Hitachi) |
(91) ICSS [updated] (94) ICSS |
11:30-11:55 |
Issues of Execution Environment Authentication for Analysis Resistance of Tamper Resistant Software (Part 2) |
Kazuomi Oishi (SIST) |
Wed, Jul 15 AM 10:40 - 11:55 |
(92) [updated] (95) |
10:40-11:05 |
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(93) [updated] (96) |
11:05-11:30 |
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(94) [updated] (97) |
11:30-11:55 |
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Wed, Jul 15 AM 10:40 - 11:30 [updated] 10:40 - 11:55 |
(95) ISEC [updated] (98) ISEC |
10:40-11:05 |
Consideration of Multi-Device Setting in the Messaging Layer Security Protocol |
Shuya Hanai, Kazuhide Fukushima (KDDI Research, Inc.) |
(96) ISEC [updated] (99) ISEC |
11:05-11:30 |
Separating Tampering from Leakage: A Two-Detector Diagnostic Framework for LoRA Federated Fine-Tuning [updated] LoRA Leaks: Reconstructing Training Images from Federated LoRA Gradients with Generative Priors |
Wang Zhiying, M N S Perera, Ryosuke Kobayashi, Franziska Zimmer, Mhd Irvan, Rie Shigetomi Yamaguchi (UTokyo) |
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11:55-13:25 |
Lunch Break ( 90 min. ) |
Wed, Jul 15 PM 13:25 - 15:05 |
(97) ICSS [updated] (101) ICSS |
13:25-13:50 |
A Method for Automatically Analyzing Newly Exploits Observed by Honeypots Using LLMs |
Ryu Kuki (Yokohama National Univ.), Kosuke Murakami (Yokohama National Univ./KDDI Research, Inc.), Shota Fujii, Takayuki Sasaki, Katsunari Yoshioka (Yokohama National Univ.) |
(98) ICSS [updated] (102) ICSS |
13:50-14:15 |
Assessment of the Potential for Attacks on IoT Device Management Interfaces Using AI Browser Agents |
Emina Ishihara, Misato Ito (YNU), Kosuke Murakami (YNU/KDDI Research), Shota Fujii, Takayuki Sasaki, Katsunari Yoshioka (YNU) |
(99) ICSS [updated] (103) ICSS |
14:15-14:40 |
LLM-Based Information Gathering and Analysis System for Cybercrime-Related Messages on Discord |
Naoki Miyamoto, Yamato Kawaguchi, Yin Minn Pa Pa, Katsunari Yoshioka (YNU) |
(100) ICSS [updated] (104) ICSS |
14:40-15:05 |
Empirical Study of HUMINT via Human-in-the-Loop LLM Dialogue Support with Ethical Considerations |
Sota Kubo, Yukihiro Nagayama, Yin Minn Pa Pa, Katsunari Yoshioka (YNU) |
Wed, Jul 15 PM 13:25 - 15:05 |
(101) [updated] (105) |
13:25-13:50 |
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(102) [updated] (106) |
13:50-14:15 |
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(103) [updated] (107) |
14:15-14:40 |
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(104) [updated] (108) |
14:40-15:05 |
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Wed, Jul 15 PM 13:25 - 15:05 |
(105) ISEC [updated] (109) ISEC |
13:25-13:50 |
Data-Oblivious Algorithm for Benes Network Representing Specific Permutations [updated] Data-Oblivious Algorithm for Benes Networks Representing Specific Permutations |
Manato Suzuki, Kunihiko Sadakane, Kazunari Tozawa (UTokyo) |
(106) ISEC [updated] (110) ISEC |
13:50-14:15 |
Privacy-Preserving LZ77 Decompression |
Yuki Seto (UTokyo/AIST), Kunihiko Sadakane, Kazunari Tozawa (UTokyo) |
(107) ISEC [updated] (111) ISEC |
14:15-14:40 |
Efficient Physical Zero-Knowledge Proofs for the Another Solution Problem |
Futa Ito, Li Yang, Kazuo Sakiyama (UEC), Daiki Miyahara (UEC/AIST) |
(108) ISEC [updated] (112) ISEC |
14:40-15:05 |
Card-Based Protocols for Addition and Subtraction using Oriented Cards |
Yasuyuki Murakami (OECU) |
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15:05-15:15 |
Break ( 10 min. ) |
Wed, Jul 15 PM 15:15 - 16:05 [updated] 15:15 - 16:30 |
(109) BioX [updated] (113) BioX |
15:15-15:40 |
Impact of Facial Image's Background on Personal Authentication Using 1kB Compressed Facial Image Stored in 2D Barcode |
Kakeru Suzuki, Takahiro Yoshida (TUS) |
(110) BioX [updated] (114) BioX |
15:40-16:05 |
A Study of Age and Gender Estimation from Finger Vein Images |
Katsuki Tanaka, Koichi Ito, Takafumi Aoki (Tohoku Univ.), Masakazu Fujio, Yosuke Kaga, Kanade Oshima, Kenta Takahashi (Hitachi) |
Wed, Jul 15 PM 15:15 - 16:30 |
(111) [updated] (115) |
15:15-15:40 |
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(112) [updated] (116) |
15:40-16:05 |
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(113) [updated] (117) |
16:05-16:30 |
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Wed, Jul 15 PM 15:15 - 16:05 [updated] 15:15 - 16:30 |
(114) ISEC [updated] (118) ISEC |
15:15-15:40 |
Efficiency Improvement of Clustering for Lightweight Cipher PRINCE using Round Function Partitioning |
Tsubasa Sasano (UOH), Kazuma Taka (NICT/UOsaka), Kosei Sakamoto (Mitsubishi Electric/UOsaka), Ryoma Ito (NICT/UOsaka), Takanori Isobe (UOsaka/NICT) |
(115) ISEC [updated] (119) ISEC |
15:40-16:05 |
Dynamic Multi-Server Updatable Symmetric Encryption |
Reiji Konoshima (OU), Kyosuke Yamashita (CU) |