Isobe Takanori 五十部孝典

Researcher Number	30785465
Other IDs
Affiliation (Current)	2025: 大阪大学, 大学院情報科学研究科, 教授
Affiliation (based on the past Project Information) *help	2025: 大阪大学, 大学院情報科学研究科, 教授 2024: 兵庫県立大学, 情報科学研究科, 教授 2022: 兵庫県立大学, 情報科学研究科, 教授 2021 – 2022: 兵庫県立大学, 情報科学研究科, 准教授 2017 – 2021: 兵庫県立大学, 応用情報科学研究科, 准教授
Review Section/Research Field	Principal Investigator Medium-sized Section 60:Information science, computer engineering, and related fields / Basic Section 21020:Communication and network engineering-related / Information security Except Principal Investigator Basic Section 60070:Information security-related
Keywords	Principal Investigator 暗号解析 / 共通鍵暗号 / ハッシュ関数 / ブロック暗号 / 軽量暗号 / ストリーム暗号 / 暗号設計 / 数理最適化 / 鍵回復問題 / 原像復元問題 … More / ブロックチェーン / プルーフオブワーク / EM暗号 / 遺伝的アルゴリズム / Whitebox Cryptgraphy / PUF / Even-Mansour / SHA-3 / Proof of Work / スポンジ構造 / 擬似ランダム関数 / 高速暗号 / 低遅延暗号 / 認証暗号 / 差分攻撃 / 代数攻撃 / ストレージ暗号 / 暗号・認証等 / 低消費電力 … More Except Principal Investigator Deep Learning / 暗号解析 / 暗号解読 / ニューラルネットワーク / 共通鍵暗号 Less

Exploring New Designs in Symmetric Cryptography Through a By-Design Approach and High-Resolution AnalysisPrincipal Investigator
- Principal Investigator
  
  五十部孝典
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  The University of Osaka
  University of Hyogo
Realizing Proof-of-Work through arbitrary computation for a sustainable societyPrincipal Investigator
- Principal Investigator
  
  Takanori Isobe
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  University of Hyogo
A Study on Evaluation Method for Symmetric Key Encryption Scheme using Deep Learning
- Principal Investigator
  
  Ohigashi Toshihiro
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Tokai University
Cryptanalysis and Design of Lightweight Symmetric-key Cryptography and Its Application to IoTPrincipal Investigator
- Principal Investigator
  
  Takanori Isobe
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21020:Communication and network engineering-related
- Research Institution
  University of Hyogo
Research on Lightweight Stream cipherPrincipal Investigator
- Principal Investigator
  
  Isobe Takanori
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Information security
- Research Institution
  University of Hyogo

All 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] On Optimality of the Round Function of Rocca2023
- Author(s)
  TAKEUCHI Nobuyuki、SAKAMOTO Kosei、ISOBE Takanori
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E106.A Issue: 1 Pages: 45-53
- DOI
  10.1587/transfun.2021EAP1158
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2023-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Security Evaluation of Initialization Phases and Round Functions of Rocca and AEGIS2023
- Author(s)
  TAKEUCHI Nobuyuki、SAKAMOTO Kosei、ISOBE Takanori
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E106.A Issue: 3 Pages: 253-262
- DOI
  10.1587/transfun.2022CIP0013
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2023-03-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Areion: Highly-Efficient Permutations and Its Applications to Hash Functions for Short Input2023
- Author(s)
  Isobe Takanori、Ito Ryoma、Liu Fukang、Minematsu Kazuhiko、Nakahashi Motoki、Sakamoto Kosei、Shiba Rentaro
- Journal Title
  
  IACR Transactions on Cryptographic Hardware and Embedded Systems
  
  Volume: 3 Pages: 115-154
- DOI
  10.46586/tches.v2023.i2.115-154
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] mPoW: How to Make Proof of Work Meaningful2023
- Author(s)
  Takaki Asanuma, Takanori Isobe
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E106.A Issue: 3 Pages: 333-340
- DOI
  10.1587/transfun.2022CIP0010
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2023-03-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21795
[Journal Article] A Proof of Work based on Key Recovery Problem of Cascade Block Ciphers with ASIC Resistance2022
- Author(s)
  Asanuma Takaki、Isobe Takanori
- Journal Title
  
  IEICE Trans. on Fundamentals of Electronics, Comm. and Computer Sciences
  
  Volume: Vol.E105-D
- NAID
  130008149842
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21795
[Journal Article] The Inverse of $$\chi $$ and Its Applications to Rasta-Like Ciphers2022
- Author(s)
  Liu Fukang、Sarkar Santanu、Meier Willi、Isobe Takanori
- Journal Title
  
  Journal of Cryptology
  
  Volume: 35 Issue: 4 Pages: 1-10
- DOI
  10.1007/s00145-022-09439-x
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] New Low-Memory Algebraic Attacks on LowMC in the Picnic Setting2022
- Author(s)
  Liu Fukang、Meier Willi、Sarkar Santanu、Isobe Takanori
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 3 Pages: 102-122
- DOI
  10.46586/tosc.v2022.i3.102-122
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] New Cryptanalysis of ZUC-256 Initialization Using Modular Differences2022
- Author(s)
  Liu Fukang、Meier Willi、Sarkar Santanu、Wang Gaoli、Ito Ryoma、Isobe Takanori
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 3 Pages: 152-190
- DOI
  10.46586/tosc.v2022.i3.152-190
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] A Proof of Work based on Preimage Problem of Variants of SHA-3 with ASIC Resistance2022
- Author(s)
  Asanuma Takaki、Isobe Takanori
- Journal Title
  
  Journal of Information Processing
  
  Volume: 30 Issue: 0 Pages: 75-83
- DOI
  10.2197/ipsjjip.30.75
- NAID
  130008141897
- ISSN
  1882-6652
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21795
[Journal Article] Algebraic Meet-in-the-Middle Attack on LowMC2022
- Author(s)
  Fukang Liu, Santanu Sarkar, Gaoli Wang, Willi Meier, Takanori Isobe
- Journal Title
  
  ASIACRYPT 2022
  
  Volume: 1 Pages: 225-255
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Virtual Vault: A Practical Leakage Resilient Scheme Using Space-Hard Ciphers2021
- Author(s)
  KOIKE Yuji、HAYASHI Takuya、KURIHARA Jun、ISOBE Takanori
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 1 Pages: 182-189
- DOI
  10.1587/transfun.2020CIP0026
- NAID
  130007964773
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21795
[Journal Article] Algebraic Attacks on Rasta and Dasta Using Low-Degree Equations2021
- Author(s)
  Liu Fukang、 Santanu Sarkar、Meier Willi、Takanori Isobe
- Journal Title
  
  Advances in Cryptology - ASIACRYPT 2021
  
  Volume: 13090} Pages: 214-240
- DOI
  10.1007/978-3-030-92062-3_8
- ISBN
  9783030920616, 9783030920623
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Efficient constructions for large‐state block ciphers based on AES New Instructions2021
- Author(s)
  Shiba Rentaro、Sakamoto Kosei、Isobe Takanori
- Journal Title
  
  IET Information Security
  
  Volume: 16 Issue: 3 Pages: 145-160
- DOI
  10.1049/ise2.12053
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20J23526, KAKENHI-PROJECT-19H02141
[Journal Article] Orthros: A Low-Latency PRF2021
- Author(s)
  Banik Subhadeep、Isobe Takanori、Liu Fukang、Minematsu Kazuhiko、Sakamoto Kosei
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: issue 1 Pages: 37-77
- DOI
  10.46586/tosc.v2021.i1.37-77
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Further Results on Efficient Implementations of Block Cipher Linear Layers2021
- Author(s)
  BANIK Subhadeep、FUNABIKI Yuki、ISOBE Takanori
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 1 Pages: 213-225
- DOI
  10.1587/transfun.2020CIP0013
- NAID
  130007964800
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-01-01
- Language
  English
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Bit-wise cryptanalysis on AND-RX permutation Friet-PC2021
- Author(s)
  Ito Ryoma、Shiba Rentaro、Sakamoto Kosei、Liu Fukang、Isobe Takanori
- Journal Title
  
  Journal of Information Security and Applications
  
  Volume: 59 Pages: 102860-102860
- DOI
  10.1016/j.jisa.2021.102860
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Output Prediction Attacks on Block Ciphers using Deep Learning2021
- Author(s)
  Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi
- Journal Title
  
  Cryptology ePrint Archive
  
  Volume: 2021/401 Pages: 1-27
- Open Access
- Data Source
  KAKENHI-PROJECT-19K11971
[Journal Article] MILP-Aided Security Evaluation of Differential Attacks on KCipher-22021
- Author(s)
  HOKI Jin、SAKAMOTO Kosei、LIU Fukang、MINEMATSU Kazuhiko、ISOBE Takanori
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 1 Pages: 203-212
- DOI
  10.1587/transfun.2020CIP0018
- NAID
  130007964790
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Weak Keys in Reduced AEGIS and Tiaoxin2021
- Author(s)
  Liu Fukang、Isobe Takanori、Meier Willi、Sakamoto Kosei
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 2 Pages: 104-139
- DOI
  10.46586/tosc.v2021.i2.104-139
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Integral and impossible‐differential attacks on the reduced‐round Lesamnta‐LW‐BC2021
- Author(s)
  Shiba Rentaro、Sakamoto Kosei、Liu Fukang、Minematsu Kazuhiko、Isobe Takanori
- Journal Title
  
  IET Information Security
  
  Volume: 16 Issue: 2 Pages: 75-85
- DOI
  10.1049/ise2.12044
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Rocca: An Efficient AES-based Encryption Scheme for Beyond 5G2021
- Author(s)
  Sakamoto Kosei、Liu Fukang、Nakano Yuto、Kiyomoto Shinsaku、Isobe Takanori
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 2 Pages: 1-30
- DOI
  10.46586/tosc.v2021.i2.1-30
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Perfect Trees: Designing Energy-Optimal Symmetric Encryption Primitives2021
- Author(s)
  Caforio Andrea、Banik Subhadeep、Todo Yosuke、Meier Willi、Isobe Takanori、Liu Fukang、Zhang Bin
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 3 Pages: 36-73
- DOI
  10.46586/tosc.v2021.i4.36-73
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Atom: A Stream Cipher with Double Key Filter2021
- Author(s)
  Banik Subhadeep、Caforio Andrea、Isobe Takanori、Liu Fukang、Meier Willi、Sakamoto Kosei、Sarkar Santanu
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: issue 1 Pages: 5-36
- DOI
  10.46586/tosc.v2021.i1.5-36
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141, KAKENHI-PROJECT-20J23526
[Journal Article] Exploiting Weak Diffusion of Gimli: Improved Distinguishers and Preimage Attacks2021
- Author(s)
  Liu Fukang、Isobe Takanori、Meier Willi
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: issue 1 Pages: 185-216
- DOI
  10.46586/tosc.v2021.i1.185-216
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Cryptanalysis of Full LowMC and LowMC-M with Algebraic Techniques2021
- Author(s)
  Liu Fukang、 Takanori Isobe、 Meier Willi
- Journal Title
  
  Advances in Cryptology - CRYPTO 2021
  
  Volume: 12827 Pages: 368-401
- DOI
  10.1007/978-3-030-84252-9_13
- ISBN
  9783030842512, 9783030842529
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] ACE in Chains: How Risky Is CBC Encryption of Binary Executable Files?2020
- Author(s)
  Fujita Rintaro、Isobe Takanori、Minematsu Kazuhiko
- Journal Title
  
  International Conference on Applied Cryptography and Network Security
  
  Volume: issue 1 Pages: 187-207
- DOI
  10.1007/978-3-030-57808-4_10
- ISBN
  9783030578077, 9783030578084
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Tweakable TWINE: Building a Tweakable Block Cipher on Generalized Feistel Structure2020
- Author(s)
  Kosei Sakamoto, Kazuhiko Minematsu, Nao Shibata, Maki Shigeri, Hiroyasu Kubo, Yuki Funabiki, Andrey Bogdanov, Sumio Morioka and Takanori Isobe,
- Journal Title
  
  IEICE Trans. on Fundamentals of Electronics, Comm. and Computer Sciences
  
  Volume: TBA
- NAID
  130007948376
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Security of Related-Key Differential Attacks on TWINE, Revisited2020
- Author(s)
  Kosei Sakamoto, Kazuhiko Minematsu, Nao Shibata, Maki Shigeri, Hiroyasu Kubo, Yuki Funabiki, a and Takanori Isobe
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E103.A Issue: 1 Pages: 212-214
- DOI
  10.1587/transfun.2019CIL0004
- NAID
  130007778816
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2020-01-01
- Language
  English
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Security Analysis and Countermeasures of an End-to-End Encryption Scheme of LINE2020
- Author(s)
  Takanori Isobe and Kazuhiko Minematsu
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E103.A Issue: 1 Pages: 313-324
- DOI
  10.1587/transfun.2019EAP1041
- NAID
  130007778787
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2020-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Galaxy: A Family of Stream-Cipher-Based Space-Hard Ciphers2020
- Author(s)
  Koike Yuji、Sakamoto Kosei、Hayashi Takuya、Isobe Takanori
- Journal Title
  
  Australasian Conference on Information Security and Privacy
  
  Volume: 1 Pages: 142-159
- DOI
  10.1007/978-3-030-55304-3_8
- ISBN
  9783030553036, 9783030553043
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21795
[Journal Article] Key-Recovery Security of Single-Key Even-Mansour Cipher2020
- Author(s)
  Takanori Isobe and Kyoji Shibutani
- Journal Title
  
  IEICE Trans. on Fundamentals of Electronics, Comm. and Computer Sciences
  
  Volume: TBA
- NAID
  130007867191
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Automatic Verification of Differential Characteristics: Application to Reduced Gimli2020
- Author(s)
  Liu Fukang、Isobe Takanori、Meier Willi
- Journal Title
  
  Advances in Cryptology- CRYPTO 2020
  
  Volume: issue 1 Pages: 219-248
- DOI
  10.1007/978-3-030-56877-1_8
- ISBN
  9783030568764, 9783030568771
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Efficient Collision Attack Frameworks for RIPEMD-1602019
- Author(s)
  Fukang Liu, Christoph Dobraunig, Florian Mendel, Takanori Isobe, Gaoli Wang and Zhenfu Cao
- Journal Title
  
  Advances in Cryptology (CRYPTO) 2019, Lecture Note in Computer Science
  
  Volume: 10992 Pages: 117-149
- DOI
  10.1007/978-3-030-26951-7_5
- ISBN
  9783030269500, 9783030269517
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Preimage Attacks on Reduced Troika with Divide-and-Conquer Methods2019
- Author(s)
  Fukang Liu and Takanori Isobe
- Journal Title
  
  International Workshop on Security, (IWSEC) 2019, Lecture Note in Computer Science
  
  Volume: 11689 Pages: 109-128
- DOI
  10.1007/978-3-030-26834-3_18
- NAID
  130007933454
- ISBN
  9783030268336, 9783030268343
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] More results on Shortest Linear Programs2019
- Author(s)
  Subhadeep Banik, Yuki Funabiki and Takanori Isobe
- Journal Title
  
  , International Workshop on Security, (IWSEC) 2019, Lecture Note in Computer Science
  
  Volume: 11689 Pages: 109-128
- DOI
  10.1007/978-3-030-26834-3_7
- ISBN
  9783030268336, 9783030268343
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Cryptanalysis of Plantlet2019
- Author(s)
  Subhadeep Banik, Khashayar Barooti and Takanori Isobe,
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 3 Pages: 103-120
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] weakable TWINE: Building a Tweakable Block Cipher on Generalized Feistel Structure2019
- Author(s)
  Kosei Sakamoto, Kazuhiko Minematsu, Nao Shibata, Maki Shigeri, Hiroyasu Kubo, Yuki Funabiki, Andrey Bogdanov, Sumio Morioka and Takanori Isobe
- Journal Title
  
  International Workshop on Security, (IWSEC) 2019, Lecture Note in Computer Science
  
  Volume: 11689 Pages: 129-145
- DOI
  10.1007/978-3-030-26834-3_8
- ISBN
  9783030268336, 9783030268343
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Neural-Network-Based Pseudo-Random Number Generator Evaluation Tool for Stream Ciphers2019
- Author(s)
  Hayato KIMURA, Takanori ISOBE, and Toshihiro OHIGASHI
- Journal Title
  
  Proc. CANDAR Workshops 2019, WCIS 2019
  
  Volume: なし Pages: 333-338
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K11971
[Journal Article] New Semi-Free-Start Collision Attack Framework for Reduced RIPEMD-1602019
- Author(s)
  Fukang Liu, Christoph Dobraunig, Florian Mendel, Takanori Isobe , Gaoli Wang and Zhenfu Cao
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 3 Pages: 169-192
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] "Cube-based Cryptanalysis of Subterranean-SAE2019
- Author(s)
  Fukang Liu, Takanori Isobe and Willi Meier
- Journal Title
  
  IACR Transactions on Symmetric Cryptology
  
  Volume: 4 Pages: 192-222
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Iterative Differential Characteristic of TRIFLE-BC"2019
- Author(s)
  Fukang Liu and Takanori Isobe
- Journal Title
  
  Conference on Selected Areas in Cryptography (SAC) 2019, Lecture Note in Computer Science
  
  Volume: 11959 Pages: 85-100
- DOI
  10.1007/978-3-030-38471-5_4
- ISBN
  9783030384708, 9783030384715
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02141
[Journal Article] Improved Division Property Based Cube Attacks Exploiting Algebraic Properties of Superpoly2018
- Author(s)
  Qingju Wang, Yonglin Hao, Yosuke Todo, Chaoyun Li, Takanori Isobe, Willi Meier
- Journal Title
  
  {Advances in Cryptology - {CRYPTO} 2018 - 38th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 19-23, 2018, Proceedings, Part {I}
  
  Volume: 10991 Pages: 275-305
- DOI
  10.1007/978-3-319-96884-1_10
- ISBN
  9783319968834, 9783319968841
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] On Design of Robust Lightweight Stream Cipher with Short Internal State2018
- Author(s)
  Subhadeep Banik, Takanori Isobe, Masakatu Morii
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E101.A Issue: 1 Pages: 99-109
- DOI
  10.1587/transfun.E101.A.99
- NAID
  130006300892
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] Several MILP-Aided Attacks Against SNOW 2.02018
- Author(s)
  Yuki Funabiki, Yosuke Todo, Takanori Isobe, Masakatu Morii
- Journal Title
  
  Cryptology and Network Security - 17th International Conference, {CANS} 2018, Naples, Italy, September 30 - October 3, 2018, Proceedings
  
  Volume: 11124 Pages: 394-413
- DOI
  10.1007/978-3-030-00434-7_20
- ISBN
  9783030004330, 9783030004347
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] Theoretical Understanding of Some Conditional and Joint Biases in RC4 Stream Cipher2018
- Author(s)
  JHA Sonu、BANIK Subhadeep、ISOBE Takanori、OHIGASHI Toshihiro、SARKAR Santanu
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E101.A Issue: 11 Pages: 1869-1879
- DOI
  10.1587/transfun.E101.A.1869
- NAID
  130007502923
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2018-11-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H02808, KAKENHI-PROJECT-17K12698
[Journal Article] Cube Attacks on Non-Blackbox Polynomials Based on Division Property.2018
- Author(s)
  Yosuke Todo, Takanori Isobe, Yonglin Hao, Willi Meier
- Journal Title
  
  IEEE Trans. Computers
  
  Volume: 67-12 Issue: 12 Pages: 1720-1736
- DOI
  10.1109/tc.2018.2835480
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] Fast Correlation Attack Revisited - Cryptanalysis on Full Grain-128a, Grain-128, and Grain-v12018
- Author(s)
  Yosuke Todo, Takanori Isobe, Willi Meier, Kazumaro Aoki, Bin Zhang
- Journal Title
  
  Advances in Cryptology - {CRYPTO} 2018 - 38th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 19-23, 2018, Proceedings, Part {II}
  
  Volume: 10992 Pages: 129-159
- DOI
  10.1007/978-3-319-96881-0_5
- ISBN
  9783319968803, 9783319968810
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] Towards Low Energy Stream Ciphers2018
- Author(s)
  Subhadeep Banik, Vasily Mikhalev, Frederik Armknecht, Takanori Isobe, Willi Meier, Andrey Bogdanov, Yuhei Watanabe, Francesco Regazzoni
- Journal Title
  
  IACR Trans. Symmetric Cryptol.
  
  Volume: 2018(2) Pages: 1-19
- DOI
  10.13154/tosc.v2018.i2.1-19
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] ShiftRows Alternatives for AES-like Ciphers and Optimal Cell Permutations for Midori and Skinny2018
- Author(s)
  Gianira N. Alfarano, Christof Beierle, Takanori Isobe, Stefan Kolbl, Gregor Leander
- Journal Title
  
  IACR Trans. Symmetric Cryptol.
  
  Volume: 2018(2) Pages: 20-47
- DOI
  10.13154/tosc.v2018.i2.20-47
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K12698
[Journal Article] Cryptanalysis of Reduced Kreyvium2018
- Author(s)
  WATANABE Yuhei、ISOBE Takanori、MORII Masakatu
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E101.A Issue: 9 Pages: 1548-1556
- DOI
  10.1587/transfun.E101.A.1548
- NAID
  130007479525
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2018-09-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00184, KAKENHI-PROJECT-17K12698
[Journal Article] Some cryptanalytic results on Lizard2017
- Author(s)
  Subhadeep Banik, Takanori Isobe, Tingting Cui and Jian Guo
- Journal Title
  
  IACR Transactions of Symmetric Key Cryptology
  
  Volume: 4 Pages: 82-98
- DOI
  10.13154/tosc.v2017.i4.82-98
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K12698
[Presentation] Piccolo-typeブロック暗号のラウンド置換の改良2022
- Author(s)
  内海潮音, 中橋元輝, 阪本光星, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2022
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] SATソルバーを用いた低遅延暗号Orthrosに対する差分攻撃の耐性評価2022
- Author(s)
  髙和真, 石川達也, 阪本光星, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2022
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] 混合整数線形計画法を用いたAEGIS/Tiaoxin-346/Roccaに対する安全性評価2022
- Author(s)
  白矢琢朗 , 竹内信幸, 阪本光星, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2022
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] Fukang Liu, Santanu Sarkar, Gaoli Wang, Willi Meier, Takanori Isobe2022
- Author(s)
  竹内信幸, 阪本光星, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2022
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] mPoW: 意味のある計算によるProof of Work2021
- Author(s)
  浅沼岳樹, 五十部孝典,
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2021
- Data Source
  KAKENHI-PROJECT-20K21795
[Presentation] "Integral and Impossible Differential Attacks on the Reduced-Round Lesamnta-LW-BC2021
- Author(s)
  芝廉太朗, 阪本光星, Fukang Liu, 峯松　一彦, 五十部孝典
- Organizer
  2021年暗号と情報セキュリティシンポジウム(SCIS 2021)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] AES-NIを用いた効率的なスポンジ構造のラウンド関数の設計2021
- Author(s)
  阪本光星, Fukang Liu, 仲野有登, 清本晋作, 五十部　孝典
- Organizer
  2021年暗号と情報セキュリティシンポジウム(SCIS 2021)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] Cascadeなブロック暗号をベースにしたASIC耐性のあるProof of Work2021
- Author(s)
  浅沼岳樹, 五十部孝典
- Organizer
  2021年暗号と情報セキュリティシンポジウム(SCIS 2021)
- Data Source
  KAKENHI-PROJECT-20K21795
[Presentation] A Proof of Work based on Preimage Problem of Variants of SHA-3 with ASIC Resistance2021
- Author(s)
  Asanuma Takaki、Isobe Takanori
- Organizer
  IWSEC 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K21795
[Presentation] KCipher-2に対する差分攻撃の耐性評価2021
- Author(s)
  寶木仁, 阪本光星, 五十部　孝典
- Organizer
  2021年暗号と情報セキュリティシンポジウム(SCIS 2021)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] 深層学習を用いたSPNブロック暗号への出力予測攻撃2021
- Author(s)
  木村隼人, 江村恵太, 五十部孝典, 伊藤竜馬, 小川一人, 大東俊博
- Organizer
  2021年暗号と情報セキュリティシンポジウム(SCIS2021)
- Data Source
  KAKENHI-PROJECT-19K11971
[Presentation] WARP : Revisiting GFN for Lightweight 128-bit Block Cipher2020
- Author(s)
  Subhadeep Banik and Zhenzhen Bao and Takanori Isobe and Hiroyasu Kubo and Kazuhiko Minematsu and Fukang Liu and Kosei Sakamoto and Nao Shibata and Maki Shigeri
- Organizer
  Selected Areas in Cryptography (SAC) 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] KCipher-2とSNOW 3Gに対するIntegral攻撃への耐性評価2020
- Author(s)
  寶木仁, 阪本光星, 峯松一彦, 五十部孝典
- Organizer
  2020年暗号と情報セキュリティシンポジウム(SCIS 2020)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] 複数線形層を用いた低遅延ブロック暗号の構成方法2020
- Author(s)
  阪本光星, 峯松一彦, 五十部孝典
- Organizer
  2020年暗号と情報セキュリティシンポジウム(SCIS 2020)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] Algebraic Attacks on Reduced Keccak2020
- Author(s)
  Fukang Liu, 五十部孝典, Willi Meier, Zhonghao Yang
- Organizer
  2020年暗号と情報セキュリティシンポジウム(SCIS 2020)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] AES-NIを用いたラージブロック暗号の効率的な構成2020
- Author(s)
  芝廉太朗, 阪本光星, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2020
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] KCipher-2に対する差分攻撃への耐性評価2020
- Author(s)
  寶木仁, 阪本光星, 峯松一彦, 五十部孝典
- Organizer
  ISEC研究会
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] スペースハード暗号を用いたデータ流出耐性のあるシステムの提案2020
- Author(s)
  小池祐二, 林卓也, 五十部孝典
- Organizer
  2020年暗号と情報セキュリティシンポジウム(SCIS 2020)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] SHA-3の原像復元問題をベースにしたASIC耐性のあるProof of Work2020
- Author(s)
  浅沼岳樹, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム（CSS） 2020
- Data Source
  KAKENHI-PROJECT-20K21795
[Presentation] Low-latency ブロック暗号に適した線形層の設計2019
- Author(s)
  阪本光星, 峯松一彦, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム (CSS 2019)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] Cryptanalysis of Subterranean-SAE2019
- Author(s)
  Fukang Liu, 五十部孝典
- Organizer
  コンピュータセキュリティシンポジウム (CSS 2019)
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] 軽量暗号の研究・標準化動向2019
- Author(s)
  五十部孝典
- Organizer
  ハードウェアセキュリティフォーラム 2019
- Invited
- Data Source
  KAKENHI-PROJECT-19H02141
[Presentation] Inverse Gating for Low Energy Block Ciphers2018
- Author(s)
  Subhadeep Banik, Andrey Bogdanov, Francesco Regazzoni, Takanori Isobe, Harunaga Hiwatari, Toru Akishita
- Organizer
  IEEE International Symposium on Hardware Oriented Security and Trust (HOST) 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K12698
[Presentation] SNOW 2.0に対する新たな線形近似探索手法と高速相関攻撃への応用2018
- Author(s)
  船引悠生, 藤堂洋介,五十部孝典,森井昌克
- Organizer
  2018年暗号と情報セキュリティシンポジウム(SCIS 2018)
- Data Source
  KAKENHI-PROJECT-17K12698
[Presentation] 一般化Feistel構造における最適なブロックシャッフルの評価2018
- Author(s)
  小家武, 五十部孝典, 藤堂洋介, 森井昌克
- Organizer
  2018年暗号と情報セキュリティシンポジウム(SCIS 2018)
- Data Source
  KAKENHI-PROJECT-17K12698
[Presentation] 軽量ストリーム暗号に対するタイムメモリデータトレードオフ攻撃の改良2018
- Author(s)
  正木史明, 渡辺優平,五十部孝典
- Organizer
  2018年暗号と情報セキュリティシンポジウム(SCIS 2018)
- Data Source
  KAKENHI-PROJECT-17K12698
[Presentation] Cube Attacks on Non-Blackbox Polynomials Based on Division Property2017
- Author(s)
  Yosuke Todo, Takanori Isobe, Yonglin Hao, and Willi Meier
- Organizer
  CRYPTO2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K12698
[Presentation] New Key Recovery Attacks on Minimal Two-Round Even-Mansour Ciphers2017
- Author(s)
  Takanori Isobe and Kyoji Shibutani
- Organizer
  ASIACRYPT 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K12698

1. Ohigashi Toshihiro (80508127)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
2. 林卓也 (70739995)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
3. 宮崎修一 (00303884)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 伊藤竜馬 (60941515)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Isobe Takanori 五十部 孝典

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Co-Researchers

Exploring New Designs in Symmetric Cryptography Through a By-Design Approach and High-Resolution AnalysisPrincipal Investigator

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Realizing Proof-of-Work through arbitrary computation for a sustainable societyPrincipal Investigator

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A Study on Evaluation Method for Symmetric Key Encryption Scheme using Deep Learning

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Cryptanalysis and Design of Lightweight Symmetric-key Cryptography and Its Application to IoTPrincipal Investigator

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Research on Lightweight Stream cipherPrincipal Investigator

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[Journal Article] On Optimality of the Round Function of Rocca2023

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[Journal Article] Security Evaluation of Initialization Phases and Round Functions of Rocca and AEGIS2023

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[Journal Article] Areion: Highly-Efficient Permutations and Its Applications to Hash Functions for Short Input2023

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[Journal Article] mPoW: How to Make Proof of Work Meaningful2023

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[Journal Article] A Proof of Work based on Key Recovery Problem of Cascade Block Ciphers with ASIC Resistance2022

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[Journal Article] The Inverse of $$\chi $$ and Its Applications to Rasta-Like Ciphers2022

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[Journal Article] New Low-Memory Algebraic Attacks on LowMC in the Picnic Setting2022

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[Journal Article] New Cryptanalysis of ZUC-256 Initialization Using Modular Differences2022

Author(s)

Isobe Takanori 五十部孝典