HASEGAWA Shingo 長谷川真吾

Researcher Number	80567214
Other IDs
Affiliation (Current)	2025: 福島大学, 共生システム理工学類, 准教授
Affiliation (based on the past Project Information) *help	2019 – 2023: 東北大学, データ駆動科学・AI教育研究センター, 助教 2013 – 2018: 東北大学, 教育情報基盤センター, 助教
Review Section/Research Field	Principal Investigator Basic Section 60070:Information security-related / Information security Except Principal Investigator Basic Section 60070:Information security-related
Keywords	Principal Investigator 安全性証明 / デジタル署名 / セキュリティ / 格子暗号 / ディジタル署名 / IDベース署名 / 秘密計算 / 学習分析 / プライバシー / グループ署名 … More / プライバシ / IoT / 署名暗号化 / 暗号 / 緊密な安全性証明 / 証明不可能性 / タイト安全性 / 量子計算機 / IoTネットワーク / ブロックチェーン / 集約署名 / マルチ署名 / 電子署名 / 属性ベース署名 / 秘密分散共有 / 秘密分散 / クラウド / 秘密分散法 / クラウドコンピューティング … More Except Principal Investigator 匿名性 / 暗号技術 / 理論計算機科学 / 説明責任性 / 追跡可能性 / デジタル署名 / 署名サイズ効率 / ディジタル署名 / AIデータ / 共通鍵 / グループ署名 / リング署名 / 格子 / 同期型集約署名 Less

A Development of Cryptograchi Schemes for data Given to AI
- Principal Investigator
  
  福光正幸
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  University of Nagasaki
Development of Cryptographic Technologies That Compatibly Establish Anonymity and Traceability
- Principal Investigator
  
  穴田啓晃
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Aomori University
複数組織の学習データをセキュアに利用可能な学習分析プラットフォームの開発Principal Investigator
- Principal Investigator
  
  長谷川真吾
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Tohoku University
Developing cryptographic protocols designated for IoT devices and Big dataPrincipal Investigator
- Principal Investigator
  
  Hasegawa Shingo
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Tohoku University
A proposal of attibute-based aggregate signaturesPrincipal Investigator
- Principal Investigator
  
  Hasegawa Shingo
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Information security
- Research Institution
  Tohoku University
Develompent of a Support Software for Making Cloud Storage SecurePrincipal Investigator
- Principal Investigator
  
  HASEGAWA Shingo
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Information security
- Research Institution
  Tohoku University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 Other

All Journal Article Presentation

[Journal Article] Toward Tight Security of the Galindo–Garcia Identity-based Signature2023
- Author(s)
  FUKUMITSU Masayuki、HASEGAWA Shingo
- Journal Title
  
  IIS
  
  Volume: 29 Issue: 2 Pages: 99-108
- DOI
  10.4036/iis.2022.R.04
- ISSN
  1340-9050, 1347-6157
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K12023
[Journal Article] On Multi-user Security of Schnorr Signature in Algebraic Group Model2023
- Author(s)
  Fukumitsu Masayuki、Hasegawa Shingo
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 13 Issue: 2 Pages: 118-130
- DOI
  10.15803/ijnc.13.2_118
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K12023
[Journal Article] Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing2023
- Author(s)
  Anada Hiroaki、Fukumitsu Masayuki、Hasegawa Shingo
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 13 Issue: 2 Pages: 173-194
- DOI
  10.15803/ijnc.13.2_173
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K12023
[Journal Article] Group Signatures with Designated Traceability over Openers’ Attributes2022
- Author(s)
  Anada Hiroaki、Fukumitsu Masayuki、Hasegawa Shingo
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 12 Issue: 2 Pages: 493-508
- DOI
  10.15803/ijnc.12.2_493
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K12023, KAKENHI-PROJECT-19K20272
[Journal Article] Public-Key Projective Arithmetic Functional Encryption2021
- Author(s)
  Shingo Hasegawa, Masashi Hisai, Hiroki Shizuya
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 11 Issue: 2 Pages: 299-318
- DOI
  10.15803/ijnc.11.2_299
- NAID
  130008063324
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K11956
[Journal Article] Tighter Reduction for Lattice-Based Multisignature2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 12 Pages: 1685-1697
- DOI
  10.1587/transfun.2020EAP1131
- NAID
  130008123135
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-12-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] Linear and Lossy Identification Schemes Derive Tightly Secure Multisignatures2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  Journal of Internet Technology
  
  Volume: 22 Issue: 5 Pages: 1159-1170
- DOI
  10.53106/160792642021092205018
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 9 Pages: 1163-1174
- DOI
  10.1587/transfun.2020DMP0008
- NAID
  130008081869
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-09-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] Supersingular Isogeny-based Cryptography: A Survey2021
- Author(s)
  STRATIL Philipp、HASEGAWA Shingo、SHIZUYA Hiroki
- Journal Title
  
  IIS
  
  Volume: 27 Issue: 1 Pages: 1-23
- DOI
  10.4036/iis.2020.R.02
- NAID
  130008009392
- ISSN
  1340-9050, 1347-6157
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Journal Article] A Tightly Secure DDH-based Multisignature with Public-Key Aggregation2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 11 Issue: 2 Pages: 319-337
- DOI
  10.15803/ijnc.11.2_319
- NAID
  130008063323
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] Lossy Identification Schemes from Decisional RSA2019
- Author(s)
  Shingo Hasegawa, Shuji Isobe
- Journal Title
  
  IIS
  
  Volume: 25 Issue: 1 Pages: 59-66
- DOI
  10.4036/iis.2019.R.01
- NAID
  130007720022
- ISSN
  1340-9050, 1347-6157
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288
[Journal Article] Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model2018
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E101.A Issue: 1 Pages: 77-87
- DOI
  10.1587/transfun.E101.A.77
- NAID
  130006300888
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K16001
[Journal Article] A Strengthened Security Notion for Password-Protected Secret Sharing Schemes2015
- Author(s)
  Shingo Hasegawa, Shuji Isobe, Jun-ya, Iwazaki, Eisuke Koizumi, Hiroki Shizuya
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E98.A Issue: 1 Pages: 203-212
- DOI
  10.1587/transfun.E98.A.203
- NAID
  130004770895
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25870053
[Presentation] 開封者の属性上で指定された追跡可能性を有するグループ署名の対称鍵要素からの構成2024
- Author(s)
  穴田啓晃，福光正幸，長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-23K11106
[Presentation] 標準モデル上で安全な格子ベースSynchronized Aggregate Signatureについて2024
- Author(s)
  穴田啓晃, 福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム（SCIS2024)
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] 開封者の属性上で指定された追跡可能性を有するグループ署名の対称鍵要素からの構成2024
- Author(s)
  穴田啓晃, 福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム（SCIS2024)
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] Key LeakageとCorruptionへの耐性を考慮したMulti-User Settingにおいて緊密な安全性を持つ耐量子計算機署名2024
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム（SCIS2024)
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] Key LeakageとCorruptionへの耐性を考慮したMulti-User Settingにおいて緊密な安全性を持つ耐量子計算機署名2024
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] 標準モデル上で安全な格子ベースSynchronized Aggregate Signatureについて2024
- Author(s)
  穴田啓晃，福光正幸，長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-23K11106
[Presentation] 開封者の属性上で指定された追跡可能性を有するグループ署名の対称鍵要素からの構成2024
- Author(s)
  穴田啓晃, 福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] 標準モデル上で安全な格子ベースSynchronized Aggregate Signatureについて2024
- Author(s)
  穴田啓晃, 福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] Accountable Ring Signatures from Symmetric-Key Primitives2023
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  CANDAR'23
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] Accountable Ring Signatures from Symmetric-Key Primitives2023
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  The 11th International Symposium on Computing and Networking (CANDAR'23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] Accountable Ring Signatures from Symmetric-Key Primitives2023
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  Eleventh International Symposium on Computing and Networking, CANDAR 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K11106
[Presentation] Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing2022
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  CANDAR'22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] On Multi-user Security of Schnorr Signature in Algebraic Group Model2022
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  Group Signatures with Equality Test on Signers
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] Group Signatures with Designated Traceability over Openers' Attributes in Bilinear Groups2022
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  WISA 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] Group Signatures with Equality Test on Signers2022
- Author(s)
  Kyoya Anzai, Masayuki Fukumitsu, Hiroaki Anada, Shingo Hasegawa
- Organizer
  Group Signatures with Equality Test on Signers
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] Preimage Sampling in the Higher-bitApproximate Setting With a Non-spherical Gaussian Sampler2022
- Author(s)
  Anaelle Le Devehat, Hiroki Shizuya, Shingo Hasegawa
- Organizer
  ICISC2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12023
[Presentation] On the Higher-bit Version of Approximate Inhomogeneous Short Integer Solution Problem2021
- Author(s)
  Anaelle Le Devehat, Hiroki Shizuya, Shingo Hasegawa
- Organizer
  20th International Conference on Cryptology And Network Security (CANS2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] Group Signatures with Designated Traceability2021
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  2021 Ninth International Symposium on Computing and Networking (CANDAR'21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] An Aggregate Signature with Pre-Communication in the Plain Public Key Model2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  The 17th International Workshop on Security and Trust Management (STM2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] Linear Lossy Identification Scheme derives Tightly-Secure Multisignature2020
- Author(s)
  Masayuki Fukimitsu, Shingo Hasegawa
- Organizer
  2020 15th Asia Joint Conference on Information Security (AsiaJCIS 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] One-More Assumptions Do Not Help Fiat-Shamir-type Signature Schemes in NPROM2020
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  CT-RSA 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] Public-key Projective Arithmetic Functional Encryption2020
- Author(s)
  Shingo Hasegawa, Masashi Hisai, Hiroki Shizuya
- Organizer
  2020 Eighth International Symposium on Computing and Networking (CANDAR'20)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] A Tightly Secure DDH-based Multisignature with Public Key Aggregation2020
- Author(s)
  Masayuki Fukimitsu, Shingo Hasegawa
- Organizer
  2020 Eighth International Symposium on Computing and Networking Workshops (CANDARW'20)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] A Lattice-based Provably Secure Multisignature Scheme in Quantum Random Oracle Model2020
- Author(s)
  Masayuki Fukimitsu, Shingo Hasegawa
- Organizer
  Provable and Practical Security (ProvSec 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] A Tightly-Secure Lattice-Based Multisignature.2019
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  APKC ’19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] A Galindo-Garcia-like Identity-based Signature with Tight Security Reduction, Revisited2018
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  CANDAR'18
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] NPROMにおける一般的な暗号学的な仮定からのFiat-Shamir型署名の安全性証明不可能性について2018
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2018年暗号と情報セキュリティシンポジウム(SCIS2018)
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] A Generic Construction of an Identity-based Signature from a Sigma Protocol2018
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  ISITA 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11288
[Presentation] Impossibility of the Provable Security of the Schnorr Signature from the One-More DL Assumption in the Non-programmable Random Oracle Model2017
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  ProvSec 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] A Galindo-Garcia-like Identity-Based Signature with Tight Security Reduction2017
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  CANDAR'17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] Schnorr署名のOne-More DL仮定からの安全性証明不可能性について2017
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2017年暗号と情報セキュリティシンポジウム(SCIS2017)
- Place of Presentation
  ロワジールホテル那覇(沖縄県那覇市)
- Year and Date
  2017-01-24
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] A Generic Construction of Tight Security Signatures in the Non-Programmable Random Oracle Model2016
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  ISITA 2016
- Place of Presentation
  ハイアットリージェンシーモントレーホテル(モントレー, アメリカ合衆国)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] A Construction of Attribute-based Aggregate Signatures2016
- Author(s)
  Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, Ryo Takahashi
- Organizer
  ISITA 2016
- Place of Presentation
  ハイアットリージェンシーモントレーホテル(モントレー, アメリカ合衆国)
- Year and Date
  2016-10-30
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] Non-Programmable Random Oracle ModelにおけるFiat-Shamir 型署名の安全性証明不可能性の再考察2016
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2016年暗号と情報セキュリティシンポジウム(SCIS2016)
- Place of Presentation
  ANAクラウンプラザホテル熊本ニュースカイ(熊本県熊本市)
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] Impossibility on the Provable Security of the Fiat-Shamir-Type Signatures in the Non-programmable Random Oracle Model2016
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  ISC 2016
- Place of Presentation
  ヒルトンワイキキビーチ(ホノルル, アメリカ合衆国)
- Year and Date
  2016-09-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] Non-Programmable Random Oracleモデル上で安全性証明可能なFiat-Shamir型署名2015
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  コンピュータセキュリティシンポジウム2015(CSS2015)
- Place of Presentation
  長崎ブリックホール(長崎県長崎市)
- Year and Date
  2015-10-21
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model2015
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  ＩＳＣ　２０１５
- Place of Presentation
  トロンハイム(ノルウェー)
- Year and Date
  2015-09-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16001
[Presentation] 秘密分散法によりクラウドストレージを安全に活用する技術の実用化研究2014
- Author(s)
  福光正幸, 長谷川真吾, 岩崎淳也, 酒井正夫, 高橋大樹
- Organizer
  2014年暗号と情報セキュリティシンポジウム(SCIS2014)
- Place of Presentation
  城山観光ホテル(鹿児島県鹿児島市)
- Data Source
  KAKENHI-PROJECT-25870053
[Presentation] Password-protected Secret-sharing Schemes without Random Oracles
- Author(s)
  Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya
- Organizer
  ISITA 2014
- Place of Presentation
  メルボルン(オーストラリア)
- Year and Date
  2014-10-26 – 2014-10-29
- Data Source
  KAKENHI-PROJECT-25870053
[Presentation] 秘密分散法とサーバアプリ, スマートフォンを用いたパスワードマネージャのUDSフレームワークによる性能評価
- Author(s)
  福光正幸, 長谷川真吾, 岩崎淳也、酒井正夫、高橋大樹
- Organizer
  2015年電子情報通信学会総合大会
- Place of Presentation
  立命館大学(滋賀県草津市)
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-25870053
[Presentation] 秘密分散法とサーバアプリを用いた安全性と利便性を両立するパスワードマネージャの提案
- Author(s)
  福光正幸, 長谷川真吾, 岩崎淳也、酒井正夫、高橋大樹
- Organizer
  コンピュータセキュリティシンポジウム2014
- Place of Presentation
  札幌コンベンションセンター(北海道札幌市)
- Year and Date
  2014-10-22 – 2014-10-24
- Data Source
  KAKENHI-PROJECT-25870053

1. 福光正幸 (10736119)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
2. 穴田啓晃 (40727202)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results

HASEGAWA Shingo 長谷川 真吾

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A Development of Cryptograchi Schemes for data Given to AI

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Development of Cryptographic Technologies That Compatibly Establish Anonymity and Traceability

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複数組織の学習データをセキュアに利用可能な学習分析プラットフォームの開発Principal Investigator

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Developing cryptographic protocols designated for IoT devices and Big dataPrincipal Investigator

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A proposal of attibute-based aggregate signaturesPrincipal Investigator

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Develompent of a Support Software for Making Cloud Storage SecurePrincipal Investigator

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[Journal Article] Toward Tight Security of the Galindo–Garcia Identity-based Signature2023

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[Journal Article] On Multi-user Security of Schnorr Signature in Algebraic Group Model2023

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[Journal Article] Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing2023

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[Journal Article] Group Signatures with Designated Traceability over Openers’ Attributes2022

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[Journal Article] Public-Key Projective Arithmetic Functional Encryption2021

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NAID

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[Journal Article] Tighter Reduction for Lattice-Based Multisignature2021

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HASEGAWA Shingo 長谷川真吾