2025

1. Improving the Security of Asymmetric Secret Sharing Scheme and Its New Applications Improving the Security of Asymmetric Secret Sharing Scheme and Its New Applications

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   Elsevier Journal of Information Security and Applications, vol. 93, no. 104098, September 2025

   DOI: 10.1016/j.jisa.2025.104098 DOI: 10.1016/j.jisa.2025.104098

2. Flight Models Considering Wind Effects on Drone-Based Networks During Large-Scale Disasters Flight Models Considering Wind Effects on Drone-Based Networks During Large-Scale Disasters

   Masaya Fujisawa, Tatsuya Kamikawa, Ahmad Akmal Aminuddin Mohd Kamal

   IEICE Communications Express, vol. 14, no. 8, pp. 326-329, July 2025

   DOI: 10.23919/comex.2025XBL0073 DOI: 10.23919/comex.2025XBL0073

3. Efficient and Secure Secret Sharing-Based Data Outsourcing Suitable for Internet of Things Environments Efficient and Secure Secret Sharing-Based Data Outsourcing Suitable for Internet of Things Environments

   Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa

   Elsevier Internet of Things, vol. 32, no. 101645, July 2025

   DOI: 10.1016/j.iot.2025.101645 DOI: 10.1016/j.iot.2025.101645

4. Privacy-Preserving Keyword Search with Access Control for Secret Sharing-Based Data Outsourcing Privacy-Preserving Keyword Search with Access Control for Secret Sharing-Based Data Outsourcing

   Ahmad Akmal Aminuddin Mohd Kamal, Masamune Okada, Masaya Fujisawa

   IEEE Access, vol. 13, pp. 73625-73651, April 2025

   DOI: 10.1109/ACCESS.2025.3562667 DOI: 10.1109/ACCESS.2025.3562667

5. Secure User Authentication with Information Theoretic Security using Secret Sharing-Based Secure Computation Secure User Authentication with Information Theoretic Security using Secret Sharing-Based Secure Computation

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   IEEE Access, vol. 13, pp. 9015-9031, January 2025

   DOI: 10.1109/ACCESS.2025.3526632 DOI: 10.1109/ACCESS.2025.3526632

2024

1. Improved Protocols for Secure Multiplication using Secret Sharing Scheme Improved Protocols for Secure Multiplication using Secret Sharing Scheme

   Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa

   Elsevier ICT Express, vol. 10, no. 5, pp. 1019-1025, October 2024

   DOI: 10.1016/j.icte.2024.07.009 DOI: 10.1016/j.icte.2024.07.009

2. A Lightweight Information Sharing System with Access Control in Disaster Management with Security Against Dishonest Users A Lightweight Information Sharing System with Access Control in Disaster Management with Security Against Dishonest Users

   Yuki Kawahara, Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa

   Journal of Signal Processing, vol. 28, no. 4, pp. 161-164, July 2024

   DOI: 10.2299/jsp.28.161 DOI: 10.2299/jsp.28.161

2023

1. Communication-Efficient Secure Computation of Encrypted Inputs using (k, n) Threshold Secret Sharing Communication-Efficient Secure Computation of Encrypted Inputs using (k, n) Threshold Secret Sharing

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   IEEE Access, vol. 11, pp. 51166-51184, May 2023

   DOI: 10.1109/ACCESS.2023.3278995 DOI: 10.1109/ACCESS.2023.3278995

2. Privacy Preserving Multi-Party Multiplication of Polynomials Based on (k, n) Threshold Secret Sharing Privacy Preserving Multi-Party Multiplication of Polynomials Based on (k, n) Threshold Secret Sharing

   Elsevier ICT Express, vol. 9, no. 5, pp. 874-881, October 2023

   DOI: 10.1016/j.icte.2023.02.001 DOI: 10.1016/j.icte.2023.02.001

2022

1. TTP-Aided Secure Computation using (k, n) Threshold Secret Sharing with a Single Computing Server TTP-Aided Secure Computation using (k, n) Threshold Secret Sharing with a Single Computing Server

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   IEEE Access, vol. 10, pp. 120503-120513, November 2022

   DOI: 10.1109/ACCESS.2022.3222312 DOI: 10.1109/ACCESS.2022.3222312

2. Simple Approach to Realizing Verifiable Secret Sharing for Secure Cloud System Simple Approach to Realizing Verifiable Secret Sharing for Secure Cloud System

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   IEEE Access, vol. 10, pp. 76794-76804, July 2022

   DOI: 10.1109/ACCESS.2022.3192645 DOI: 10.1109/ACCESS.2022.3192645

3. Efficient Partial Matching Search using Error Correction Code 誤り訂正符号を用いた秘密分散による効率的な秘匿部分一致検索

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal 岩村 惠市, アフマド アクマル アミヌディン

   Journal of Information Processing Society of Japan, vol. 63, no. 2, pp. 684-693, (February 2022) 情報処理学会論文誌, vol. 63, no. 2, pp. 684-693, 2022年2月

   DOI: 10.20729/00216279 DOI: 10.20729/00216279

2021

1. (Server-aided) Two-Party Multiplication of Encrypted Shares using (k, n) Threshold Secret Sharing with N≥k Servers (Server-aided) Two-Party Multiplication of Encrypted Shares using (k, n) Threshold Secret Sharing with N≥k Servers

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura

   IEEE Access, vol. 9, pp. 113117-113129, August 2021

   DOI: 10.1109/ACCESS.2021.3104505 DOI: 10.1109/ACCESS.2021.3104505

2. Searchable Encryption using Secret Sharing Scheme That Realizes Direct Search of Encrypted Documents and Disjunctive Search of Multiple Keywords Searchable Encryption using Secret Sharing Scheme That Realizes Direct Search of Encrypted Documents and Disjunctive Search of Multiple Keywords

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura

   Elsevier Journal of Information Security and Applications, vol. 59, p. 102824, June 2021 Elsevier Journal of Information Security and Applications, vol. 59, p. 102824, June 2021

   DOI: 10.1016/j.jisa.2021.102824 DOI: 10.1016/j.jisa.2021.102824

2018

1. Conditionally Secure Multiparty Computation when n < 2k - 1 秘密分散法を用いた四則演算の組み合わせに対して安全な次数変化のない秘匿計算

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura アフマド アクマル アミヌディン, 岩村 恵市

   Journal of Information Processing Society of Japan, vol. 59, no. 9, pp. 1581-1595, September 2018 情報処理学会論文誌, vol. 59, no. 9, pp. 1581-1595, 2018年9月

   Available at IPSJ Online Library Available at IPSJ Online Library

2. Secure Computation Without Changing Polynomial Degree in (k,n) Secret Sharing Scheme 秘密分散法を用いた次数変化のない秘匿計算法

   Takeshi Shingu, Ken Aoi, Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura 神宮 武志, 青井 健, アフマド アクマル アミヌディン, 岩村 惠市

   Journal of Information Processing Society of Japan, vol. 59, no. 3, pp. 1038-1049, March 2018 情報処理学会論文誌, vol. 59, no. 3, pp. 1038-1049, 2018年3月

   Available at IPSJ Online Library Available at IPSJ Online Library

2026

1. Robust Time-Aligned Signal Extraction for Improved Multimodal Data in Pneumonia Diagnosis Robust Time-Aligned Signal Extraction for Improved Multimodal Data in Pneumonia Diagnosis

   Takuto Miya, Ryota Sasaki, Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa, Kazuki Taoka

   Proceedings of the 2026 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2026), March 2026

2. Preserving Natural Latent Structure and Mitigating Cluster Collapse in EHR-Based Subgroup Analysis of Pneumonia Patients Preserving Natural Latent Structure and Mitigating Cluster Collapse in EHR-Based Subgroup Analysis of Pneumonia Patients

   Ryota Sasaki, Takuto Miya, Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa, Kazuki Taoka

   Proceedings of the 2026 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2026), March 2026

2025

1. Implementing XAI for Enhanced Network Anomaly Detection with Unknown Attacks Implementing XAI for Enhanced Network Anomaly Detection with Unknown Attacks

   Takuto Miya, Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa

   Proceedings of the 2025 IEEE 14th Global Conference on Consumer Electronics (GCCE), pp. 358-360, October 2025

   DOI: 10.1109/GCCE65946.2025.11275195 DOI: 10.1109/GCCE65946.2025.11275195

2024

1. Secure User Authentication with Secret Sharing and Smart Contract for Permissioned Blockchain Secure User Authentication with Secret Sharing and Smart Contract for Permissioned Blockchain

   Masamune Okada, Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa

   Proceedings of the 2024 IEEE 13th Global Conference on Consumer Electronics (GCCE), pp. 181-183, October 2024

   DOI: 10.1109/GCCE62371.2024.10760718 DOI: 10.1109/GCCE62371.2024.10760718

2. Secure Information Sharing with Access Control and Tamper Detection for Drone-Based Disaster Management Secure Information Sharing with Access Control and Tamper Detection for Drone-Based Disaster Management

   Yuki Kawahara, Masaya Fujisawa, Ahmad Akmal Aminuddin Mohd Kamal

   Proceedings of the 2024 IEEE 13th Global Conference on Consumer Electronics (GCCE), pp. 178-180, October 2024

   DOI: 10.1109/GCCE62371.2024.10760956 DOI: 10.1109/GCCE62371.2024.10760956

3. A Lightweight Information Sharing System with Access Control in Disaster Management with Security Against Dishonest Users A Lightweight Information Sharing System with Access Control in Disaster Management with Security Against Dishonest Users

   Yuki Kawahara, Masaya Fujisawa, Ahmad Akmal Aminuddin Mohd Kamal

   Proceedings of the 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2024), March 2024

   🏆 Student Paper Award 🏆 学生論文賞 受賞

2023

1. Keyword-Based Searchable Encryption using Threshold Secret Sharing Keyword-Based Searchable Encryption using Threshold Secret Sharing

   Ahmad Akmal Aminuddin Mohd Kamal, Masamune Okada, Masaya Fujisawa

   Proceedings of International Conference on Emerging Technologies for Communications (ICETC) 2023, no. P2-9, November 2023

   DOI: 10.34385/proc.79.P2-9 DOI: 10.34385/proc.79.P2-9

2. Traceable Parcels Delivery System Using Blockchain Network Traceable Parcels Delivery System Using Blockchain Network

   Yasuhiro Kan, Kazuma Aoi, Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa

   Proceedings of International Conference on Emerging Technologies for Communications (ICETC) 2023, no. P2-12, November 2023

   DOI: 10.34385/proc.79.P2-12 DOI: 10.34385/proc.79.P2-12

3. Cost-Efficient and Secure Information Sharing System with Access Control for Wireless Drone Networks Cost-Efficient and Secure Information Sharing System with Access Control for Wireless Drone Networks

   Yuki Kawahara, Masaya Fujisawa, Ahmad Akmal Aminuddin Mohd Kamal

   Proceedings of International Conference on Emerging Technologies for Communications (ICETC) 2023, no. P2-10, November 2023

   DOI: 10.34385/proc.79.P2-10 DOI: 10.34385/proc.79.P2-10

4. TTP-Aided Searchable Encryption of Documents Using Threshold Secret Sharing TTP-Aided Searchable Encryption of Documents Using Threshold Secret Sharing

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura

   Proceedings of the 9th International Conference on Information Systems Security and Privacy (ICISSP 2023), pp. 442-449, February 2023

   DOI: 10.5220/0011653700003405 DOI: 10.5220/0011653700003405

2022

1. TTP-Aided Secure Computation using Secret Sharing With Only One Computing Server TTP-Aided Secure Computation using Secret Sharing With Only One Computing Server

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal, Masaki Inamura

   Proceedings of the 2022 ACM on Asia Conference on Computer and Communications Security (Asia CCS), pp. 1243-1245, May 2022

   DOI: 10.1145/3488932.3527281 DOI: 10.1145/3488932.3527281

2021

1. Efficient Secret Sharing-Based Partial Matching Search Using Error Correction Code Efficient Secret Sharing-Based Partial Matching Search Using Error Correction Code

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal, Daichi Kuroi

   Proceedings of the Future Technologies Conference 2021 (FTC 2021), vol. 3, pp. 65-81, October 2021

   DOI: 10.1007/978-3-030-89912-7_6 DOI: 10.1007/978-3-030-89912-7_6

2. Secure Computation by Secret Sharing using Input Encrypted with Random Number Secure Computation by Secret Sharing using Input Encrypted with Random Number

   Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   Proceedings of the 18th International Conference on Security and Cryptography (SECRYPT 2021), pp. 540-547, July 2021

   DOI: 10.5220/0010552305400547 DOI: 10.5220/0010552305400547

3. Improvement of Secure Multi-Party Multiplication of (k, n) Threshold Secret Sharing Using Only N = k Servers Improvement of Secure Multi-Party Multiplication of (k, n) Threshold Secret Sharing Using Only N = k Servers

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura

   Proceedings of the 7th International Conference on Information Systems Security and Privacy (ICISSP 2021), pp. 77-88, February 2021

   DOI: 10.5220/0010206400770088 DOI: 10.5220/0010206400770088

2020

1. Secure Pairwise Key Sharing using Geometric Group Key Sharing Method Secure Pairwise Key Sharing using Geometric Group Key Sharing Method

   Shogo Ochiai, Keiichi Iwamura, Ahmad Akmal Aminuddin Mohd Kamal

   Proceedings of 2020 IEEE 17th Annual Consumer Communications & Networking Conference (CCNC 2020), pp. 1-2, January 2020

   DOI: 10.1109/CCNC46108.2020.9045170 DOI: 10.1109/CCNC46108.2020.9045170

2019

1. Searchable Encryption Using Secret-Sharing Scheme for Multiple Keyword Search Using Conjunctive and Disjunctive Searching Searchable Encryption Using Secret-Sharing Scheme for Multiple Keyword Search Using Conjunctive and Disjunctive Searching

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura

   Proceedings of 2019 IEEE International Conference on Cyber Science and Technology Congress (CyberSciTech 2019), pp. 149-156, August 2019

   DOI: 10.1109/DASC/PiCom/CBDCom/CyberSciTech.2019.00038 DOI: 10.1109/DASC/PiCom/CBDCom/CyberSciTech.2019.00038

2017

1. Searchable Encryption of Image Based on Secret Sharing Scheme Searchable Encryption of Image Based on Secret Sharing Scheme

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura, Hyunho Kang

   Proceedings of 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2017), pp. 1495-1503, December 2017

   DOI: 10.1109/APSIPA.2017.8282269 DOI: 10.1109/APSIPA.2017.8282269

2. Conditionally Secure Multiparty Computation using Secret Sharing Scheme for n<2k-1 (short paper) Conditionally Secure Multiparty Computation using Secret Sharing Scheme for n<2k-1 (short paper)

   Ahmad Akmal Aminuddin Mohd Kamal, Keiichi Iwamura

   Proceedings of 15th Annual Conference on Privacy, Security and Trust (PST 2017), pp. 225-230, August 2017

   DOI: 10.1109/PST.2017.00034 DOI: 10.1109/PST.2017.00034

2026

1. An Efficient Physical Zero-Knowledge Proof for Sukoro Utilizing Binary Representation and Simulation 数コロに対する効率的な物理的ゼロ知識証明プロトコル - 2進数表現とシミュレーションに基づくシャッフル回数の削減 -

   Mikoto Kimura, Ahmad Akmal Aminuddin, Masaya Fujisawa 木村 光寿，アフマド アクマル アミヌディン，藤沢 匡哉

   2026 Symposium on Cryptography and Information Security (SCIS2026), January 2026 2026年暗号と情報セキュリティシンポジウム （SCIS2026），2026年1月

2. Stabilization Method for Federated Learning using DP-SGD on Non-IID Data Non-IID環境下におけるDP-SGDを用いた連合学習の安定化手法の提案

   Taisei Nakata, Masaya Fujisawa, Ahmad Akmal Aminuddin 中田 泰生，藤沢 匡哉，アミヌディン アフマド アクマル

   2026 Symposium on Cryptography and Information Security (SCIS2026), January 2026 2026年暗号と情報セキュリティシンポジウム （SCIS2026），2026年1月

3. Optimal Patch Placement in Remote Adversarial Attacks Considering Image and Patch Information Diffusion and Its Application to CAPTCHA 遠隔敵対的パッチ攻撃における画像内情報とパッチの情報拡散を考慮した最適配置の検討およびCAPTCHAへの応用

   Ryosuke Nomura, Ahmad Akmal Aminuddin, Masaya Fujisawa 野村 遼佑，アフマド アクマル アミヌディン，藤沢 匡哉

   2026 Symposium on Cryptography and Information Security (SCIS2026), January 2026 2026年暗号と情報セキュリティシンポジウム （SCIS2026），2026年1月

2025

1. Investigating the Influence of Decoding Strategies on Prompt Estimation and Text Regeneration in Japanese Language 日本語におけるプロンプト推定時および再出力時のデコーディング戦略が与える影響とその考察

   Yusei Kitamura, Ahmad Akmal Aminuddin, Masaya Fujisawa 北村 侑聖，アフマド アクマル アミヌディン，藤沢 匡哉

   Joint Workshop on Natural Language Processing and Speech and Language Processing (NL 266, SLP 158), December 2025 第266回NL・第158回SLP合同研究発表会，2025年12月

2. LDPC Coding for Multi-Sampling Synchronization Error Channels 多サンプリング型同期誤り通信路に対するLDPC符号化法

   Cheng-Sen Hong, Ryo Shibata, Masaya Fujisawa, Ahmad Akmal Aminuddin 洪 鋮森，柴田 凌，藤沢 匡哉，アフマド アクマル アミヌディン

   48th Symposium on Information Theory and its Applications (SITA2025), November 2025 第48回情報理論とその応用シンポジウム (SITA2025)，2025年11月

3. Improvement of BIKE Decryption by Detecting Decoding Stagnation 復号停滞の検出によるBIKE暗号の復号法の改善

   Wataru Nakagawa, Masaya Fujisawa, Ahmad Akmal Aminuddin 中川 和，藤沢 匡哉，アフマド アクマル アミヌディン

   48th Symposium on Information Theory and its Applications (SITA2025), November 2025 第48回情報理論とその応用シンポジウム (SITA2025)，2025年11月

4. Communication-Efficient Information Sharing using Partial Information Leakage in Ramp Secret Sharing ランプ型秘密分散の部分情報漏洩の性質を利用した低通信量で実現できる安全な情報共有法の検討

   Ahmad Akmal Aminuddin, Masaya Fujisawa アフマド アクマル アミヌディン，藤沢 匡哉

   Computer Security Symposium (CSS2025), October 2025 コンピュータセキュリティシンポジウム (CSS2025)，2025年10月

5. Verification of Wind Effects on Drone Networks during Disasters and Improvement of Information Transmission Efficiency 災害時のドローンネットワークに対する風の影響の検証及び情報伝達率の向上

   Tatsuya Kamikawa, Masaya Fujisawa, Ahmad Akmal Aminuddin 神川 達也，藤沢匡哉，アフマド アクマル アミヌディン

   2025 IEICE General Conference, March 2025 2025年総合大会，2025年3月

6. Reconsideration for Layered Structure LEACH-AP using Energy Harvesting Energy Harvestingを用いた層構造化LEACH-APの再考察

   Rin Sakuma, Ahmad Akmal Aminuddin, Masaya Fujisawa 佐久間 凜，アフマド アクマル アミヌディン，藤沢匡哉

   2025 IEICE General Conference, March 2025 2025 年総合大会，2025年3月

7. A Study on Implementation of Explainable Deep Learning Model for Network Anomaly Detection with Unknown Attacks 説明可能な深層学習モデルを用いた未知攻撃に対応する network 異常検知の検討

   Takuto Miya, Ahmad Akmal Aminuddin, Masaya Fujisawa 宮 拓冬，アフマド アクマル アミヌディン，藤沢匡哉

   2025 IEICE General Conference, 2025 2025 年総合大会, 2025

8. Information-Theoretic Secure User Authentication and Communication Using Secret Sharing-Based Secure Computation 秘密計算を用いた情報理論的に安全な本人認証と暗号通信

   Keiichi Iwamura, Ahmad Akmal Aminuddin 岩村 恵市，アフマド アクマル アミヌディン

   2025 Symposium on Cryptography and Information Security (SCIS2025), January 2025 2025年暗号と情報セキュリティシンポジウム （SCIS2025），2025年1月

9. Security Improvement of Asymmetric Secret Sharing Scheme and Introduction of Its New Applications 非対称秘密分散方式の安全性向上とその新たな応用

   Keiichi Iwamura, Ahmad Akmal Aminuddin 岩村 恵市，アフマド アクマル アミヌディン

   2025 Symposium on Cryptography and Information Security (SCIS2025), January 2025 2025年暗号と情報セキュリティシンポジウム （SCIS2025），2025年1月

2024

1. GC Content Balancing on Constraint DNA Data Storage using Differential Operation 制約DNAストレージにおける差分操作を利用したGC含有率平衡化

   Cheng-Sen Hong, Ryo Shibata, Ahmad Akmal Aminuddin, Masaya Fujisawa 洪 鋮森，柴田 凌，アフマド アクマル アミヌディン，藤沢 匡哉

   47th Symposium on Information Theory and its Applications (SITA 2024), December 2024 第47回情報処理とその応用シンポジウム（SITA 2024），2024年12月

2. Layered Structure LEACH-AP using Energy Harvesting Energy Harvestingを用いた層構造化LEACH-AP

   Rin Sakuma, Masaya Fujisawa, Ahmad Akmal Aminuddin, Hiroyuki Yashima 佐久間凜，藤沢匡哉，アフマド アクマル アミヌディン，八嶋弘幸

   IEICE Society Conference 2024, September 2024 IEICEソサイエティ大会 2024，2024年9月

3. Improved Searchable Secret Sharing with User Access Control ユーザのアクセス制御可能な秘密分散を用いた秘匿検索法の改良

   Ahmad Akmal Aminuddin アフマド アクマル アミヌディン

   IEICE Society Conference 2024, September 2024 IEICE ソサイエティ大会 2024，2024年9月

4. Secret Sharing and Smart Contract Based User Authentication Suitable for Permissioned Blockchain 秘密分散とスマートコントラクトを用いた許可型ブロックチェーンに適するユーザ認証法の検討

   Ahmad Akmal Aminuddin, Masamune Okada, Masaya Fujisawa アフマド アクマル アミヌディン，岡田 薫宗，藤沢 匡哉

   IEICE Society Conference 2024, September 2024 IEICE ソサイエティ大会 2024，2024年9月

5. Secure Information Sharing with Access Control and Tamper Detection using Ramp Secret Sharing Ramp型秘密分散を用いて軽量で改ざん検知可能な暗号方式

   Yuki Kawahara, Masaya Fujisawa, Ahmad Akmal Aminuddin 川原 悠暉，藤沢 匡哉，アフマド アクマル アミヌディン

   IEICE Society Conference 2024, September 2024 IEICE ソサイエティ大会 2024，2024年9月

6. Post-Quantum Cryptography Based on Polar Codes with Cyclic Redundancy Check Aided Decoding 巡回符号を用いたpolar符号に基づく耐量子計算機暗号

   Wataru Nakagawa, Masaya Fujisawa, Ahmad Akmal Aminuddin 中川 和，藤沢 匡哉，アフマド アクマル アミヌディン

   IEICE Society Conference 2024, September 2024 IEICE ソサイエティ大会 2024，2024年9月

7. Searchable Encryption Using Secret Sharing with User Access Control ユーザのアクセス制御可能な秘密分散を用いた秘匿検索法の検討

   Ahmad Akmal Aminuddin, Masamune Okada, Masaya Fujisawa アフマド アクマル アミヌディン，岡田薫宗，藤沢匡哉

   2024 Symposium on Cryptography and Information Security (SCIS2024), January 2024 2024年暗号と情報セキュリティシンポジウム（SCIS2024)，2024年1月

2023

1. Performance evaluation of Searchable Encryption using XOR-Based Secret Sharing XOR法を用いた秘匿検索法の性能評価

   Masamune Okada, Ahmad Akmal Aminuddin, Masaya Fujisawa 岡田薫宗，アフマド アクマル アミヌディン，藤沢匡哉

   Joint Conference of 102nd CSEC and 52nd SPT, July 2023 第102回コンピュータセキュリティ・第52回セキュリティ心理学とトラスト合同研究発表会，2023年7月

2. Measures for Frequency Analysis of Searchable Encryption by Adding Dummy Data Focusing on the Mode of a Group グループの最頻値に着目したダミーデータ付加による検索可能暗号の頻度分析対策

   Gen Fujii, Masaya Fujisawa, Ahmad Akmal Aminuddin 藤井源，藤沢匡哉，アフマド アクマル アミヌディン

   2023 Symposium on Cryptography and Information Security (SCIS2023), January 2023 2023年暗号と情報セキュリティシンポジウム（SCIS2023），2023年1月

3. Development of Secure Computation Libraries and Implementation of Verifiable Secure Computation 秘匿計算ライブラリの開発と検証可能秘匿計算法の実装

   Ryoya Kudo, Ahmad Akmal Aminuddin, Keiichi Iwamura, Katsuki Inamura 工藤凌也，アフマド アクマル アミヌディン，岩村惠市，稲村勝樹

   2023 Symposium on Cryptography and Information Security (SCIS2023), January 2023 2023年暗号と情報セキュリティシンポジウム（SCIS2023），2023年1月

2020

1. Multiparty Computation using Secret Sharing Scheme with Number of Servers N < 2k-1 サーバ台数N<2k-1における秘密分散法を用いた秘匿乗算法

   Keiichi Iwamura, Ahmad Akmal Aminuddin 岩村恵市，アフマド アクマル アミヌディン

   2020 Symposium on Cryptography and Information Security (SCIS 2020), January 2020 2020年暗号と情報セキュリティシンポジウム （SCIS 2020），2020年1月

2. Fast Multiparty Computation using Secret Sharing Scheme 乱数で秘匿された秘密情報を入力とする秘密分散法を用いた高速な秘匿計算法

   Keiichi Iwamura, Ahmad Akmal Aminuddin, Masashi Yamane 岩村恵市，アフマド アクマル アミヌディン，山根将司

   2020 Symposium on Cryptography and Information Security (SCIS 2020), January 2020 2020年暗号と情報セキュリティシンポジウム（SCIS 2020），2020年1月

2019

1. Multiple Keywords Search of Document with Direct Searching using Searchable Encryption based on Secret Sharing Scheme ドキュメントの直接検索と複数検索クエリに対応できる秘密分散法を用いた秘匿検索

   Ahmad Akmal Aminuddin, Keiichi Iwamura アフマド アクマル アミヌディン，岩村恵市

   Computer Security Symposium 2019 (CSS 2019), October 2019 コンピュータセキュリティシンポジウム2019（CSS 2019），2019年10月

2. Searchable Image Encryption using Secret Sharing Scheme 秘密分散法を用いた画像の秘匿検索

   Ahmad Akmal Aminuddin, Keiichi Iwamura アフマド アクマル アミヌディン，岩村恵市

   IEICE Technical Report, vol. 119, no. 48, pp. 43–48, May 2019 信学技報，vol. 119, no. 48, pp. 43–48，2019年5月

2017

1. Secure Multiparty Computation using Secret Sharing Scheme Against Consecutive Computation 演算の連続に対して安全な秘密分散法を用いた秘匿計算

   Ahmad Akmal Aminuddin, Keiichi Iwamura アフマド アクマル アミヌディン，岩村恵市

   Joint Conference of 78th CSEC and 24th SPT, vol. 2017-SPT-24, no. 37, pp. 1–8, July 2017 第78回コンピュータセキュリティ・第24回セキュリティ心理学とトラスト合同研究発表会，vol. 2017-SPT-24, no. 37, pp. 1–8, 2017年7月

1. Secure Computation Technology for Secure Data Utilization 安全なデータ利活用ができる秘密計算技術

   Ahmad Akmal Aminuddin Mohd Kamal アフマド アクマル アミヌディン

   2024 Special Lecture on Information Engineering, May 2024 2024年 情報工学特別講義, 2024年5月

1. Communication System and Communication Method 通信システム，及び通信方法

   Ahmad Akmal Aminuddin Mohd Kamal, Masaya Fujisawa アフマド アクマル アミヌディン，藤沢 匡哉

   Publication No: JP 2026-045768, (March 2026) (Applied) 特開2026-045768, (2026年3月)（出願中）

   J-PlatPat Patent Details J-PlatPat 特許詳細

1. TUS Science Forum: Secure Computation TUS 科学フォーラム：情報を秘密にしたまま計算ができる秘密計算技術

   Ahmad Akmal Aminuddin Mohd Kamal

   TUS Science Forum 2024, vol. 444, December 2024 TUS科学フォーラム，vol. 444，2024年12月

   View Article 記事を見る

2. Keywords you should know: Secure Computation 知っておきたいキーワード：秘密計算

   Ahmad Akmal Aminuddin Mohd Kamal

   The Journal of The Institute of Image Information and Television Engineers (ITE), vol. 78, no. 6, pp. 648-651, November 2024 映像情報メディア学会誌，vol. 78, no. 6, pp. 648-651, 2024年11月

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3. Secure Computation Using Secret Sharing Scheme 秘密分散法を用いた秘匿演算

   Ahmad Akmal Aminuddin Mohd Kamal

   The Journal of the Institute of Electronics, Information and Communication Engineers, vol. 106, no.5, pp. 446-447, December 2022 電子情報通信学会誌, vol. 106, no.5, pp. 446-447, 2022年12月

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1. Realization of Fast Secure Computation Using Secret Sharing and Cryptographic Methods, and Its Application to Secure Search 秘密分散と暗号技術を用いた超高速な秘密計算及びその応用である秘匿検索の実現

   Ahmad Akmal Aminuddin Mohd Kamal 研究代表者：アフマド アクマル アミヌディン

   Grant-in-Aid for Early-Career Scientists, Project Number: 23K16884, (April 2023 - March 2025) 若手研究, 課題番号: 23K16884, 2023年4月 - 2026年3月

   Kaken Project Details KAKEN 研究課題詳細

2. Realization of a Fast Secure Computation Method Using Secret Sharing and Its Application 秘密分散を用いた高速な秘密計算法及びその応用である秘匿検索の実現

   Ahmad Akmal Aminuddin Mohd Kamal 研究代表者：Ahmad Akmal Aminuddin Mohd Kamal

   Tokyo University of Science (Young and Female Researchers Grant), (April 2022 - March 2023) 東京理科大学（若手・女性研究者助成金）, 2022年4月 - 2023年3月