Preimage Attacks on Reduced Tiger and SHA-2. - Takanori Isobe 001; Kyoji Shibutani (FSE, 2009)

A Chosen-IV Key Recovery Attack on Py and Pypy. - Takanori Isobe 001; Toshihiro Ohigashi; Hidenori Kuwakado; Masakatu Morii (IEICE Trans. Inf. Syst., 2009)

Low-weight Pseudo Collision Attack on Shabal and Preimage Attack on Reduced Shabal-512. - Takanori Isobe 001; Taizo Shirai (IACR Cryptol. ePrint Arch., 2010)

Piccolo: An Ultra-Lightweight Blockcipher. - Kyoji Shibutani; Takanori Isobe 001; Harunaga Hiwatari; Atsushi Mitsuda; Toru Akishita; Taizo Shirai (CHES, 2011)

Security Analysis of the Lightweight Block Ciphers XTEA, LED and Piccolo. - Takanori Isobe 001; Kyoji Shibutani (ACISP, 2012)

Converting Meet-In-The-Middle Preimage Attack into Pseudo Collision Attack: Application to SHA-2. - Ji Li; Takanori Isobe 001; Kyoji Shibutani (FSE, 2012)

Slide Cryptanalysis of Lightweight Stream Cipher RAKAPOSHI. - Takanori Isobe 001; Toshihiro Ohigashi; Masakatu Morii (IWSEC, 2012)

All Subkeys Recovery Attack on Block Ciphers: Extending Meet-in-the-Middle Approach. - Takanori Isobe 001; Kyoji Shibutani (Selected Areas in Cryptography, 2012)

Related-Key Boomerang Attacks on KATAN32/48/64. - Takanori Isobe 001; Yu Sasaki; Jiageng Chen (ACISP, 2013)

Full Plaintext Recovery Attack on Broadcast RC4. - Takanori Isobe 001; Toshihiro Ohigashi; Yuhei Watanabe; Masakatu Morii (FSE, 2013)

How to Recover Any Byte of Plaintext on RC4. - Toshihiro Ohigashi; Takanori Isobe 001; Yuhei Watanabe; Masakatu Morii (Selected Areas in Cryptography, 2013)

Slide Property of RAKAPOSHI and Its Application to Key Recovery Attack. - Takanori Isobe 001; Toshihiro Ohigashi; Masakatu Morii (J. Inf. Process., 2013)

A Single-Key Attack on the Full GOST Block Cipher. - Takanori Isobe 001 (J. Cryptol., 2013)

Comprehensive Analysis of Initial Keystream Biases of RC4. - Takanori Isobe 001; Toshihiro Ohigashi; Yuhei Watanabe; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Expanding Weak-key Space of RC4. - Atsushi Nagao; Toshihiro Ohigashi; Takanori Isobe 001; Masakatu Morii (J. Inf. Process., 2014)

Midori: A Block Cipher for Low Energy. - Subhadeep Banik; Andrey Bogdanov; Takanori Isobe 001; Kyoji Shibutani; Harunaga Hiwatari; Toru Akishita; Francesco Regazzoni 001 (ASIACRYPT (2), 2015)

How Secure is AES Under Leakage. - Andrey Bogdanov; Takanori Isobe 001 (ASIACRYPT (2), 2015)

White-Box Cryptography Revisited: Space-Hard Ciphers. - Andrey Bogdanov; Takanori Isobe 001 (CCS, 2015)

Midori: A Block Cipher for Low Energy (Extended Version). - Subhadeep Banik; Andrey Bogdanov; Takanori Isobe 001; Kyoji Shibutani; Harunaga Hiwatari; Toru Akishita; Francesco Regazzoni 001 (IACR Cryptol. ePrint Arch., 2015)

Generic Key Recovery Attack on Feistel Scheme. - Takanori Isobe 001; Kyoji Shibutani (IACR Cryptol. ePrint Arch., 2015)

Improved All-Subkeys Recovery Attacks on FOX, KATAN and SHACAL-2 Block Ciphers. - Takanori Isobe 001; Kyoji Shibutani (IACR Cryptol. ePrint Arch., 2015)

Full Plaintext Recovery Attacks on RC4 Using Multiple Biases. - Toshihiro Ohigashi; Takanori Isobe 001; Yuhei Watanabe; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Towards Practical Whitebox Cryptography: Optimizing Efficiency and Space Hardness. - Andrey Bogdanov; Takanori Isobe 001; Elmar Tischhauser (ASIACRYPT (1), 2016)

Round gating for low energy block ciphers. - Subhadeep Banik; Andrey Bogdanov; Francesco Regazzoni 001; Takanori Isobe 001; Harunaga Hiwatari; Toru Akishita (HOST, 2016)

Some Proofs of Joint Distributions of Keystream Biases in RC4. - Sonu Jha; Subhadeep Banik; Takanori Isobe 001; Toshihiro Ohigashi (INDOCRYPT, 2016)

Cryptanalysis of the Full Spritz Stream Cipher. - Subhadeep Banik; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2016)

Conditional Differential Cryptanalysis for Kreyvium. - Yuhei Watanabe; Takanori Isobe 001; Masakatu Morii (ACISP (1), 2017)

Low-Data Complexity Attacks on Camellia. - Takeru Koie; Takanori Isobe 001; Yosuke Todo; Masakatu Morii (ATIS, 2017)

Some cryptanalytic results on Lizard. - Subhadeep Banik; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2017)

New Key Recovery Attacks on Minimal Two-Round Even-Mansour Ciphers. - Takanori Isobe 001; Kyoji Shibutani (IACR Cryptol. ePrint Arch., 2017)

Improved Division Property Based Cube Attacks Exploiting Algebraic Properties of Superpoly. - Qingju Wang 001; Yonglin Hao; Yosuke Todo; Chaoyun Li; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2017)

Analysis and Improvements of the Full Spritz Stream Cipher. - Subhadeep Banik; Takanori Isobe 001; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

How to Efficiently Exploit Different Types of Biases for Plaintext Recovery of RC4. - Yuhei Watanabe; Takanori Isobe 001; Toshihiro Ohigashi; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

Analysis of Software Countermeasures for Whitebox Encryption. - Subhadeep Banik; Andrey Bogdanov; Takanori Isobe 001; Martin Bjerregaard Jepsen (IACR Trans. Symmetric Cryptol., 2017)

Some cryptanalytic results on Lizard. - Subhadeep Banik; Takanori Isobe 001; Tingting Cui; Jian Guo 001 (IACR Trans. Symmetric Cryptol., 2017)

Several MILP-Aided Attacks Against SNOW 2.0. - Yuki Funabiki; Yosuke Todo; Takanori Isobe 001; Masakatu Morii (CANS, 2018)

Inverse gating for low energy encryption. - Subhadeep Banik; Andrey Bogdanov; Francesco Regazzoni 001; Takanori Isobe 001; Harunaga Hiwatari; Toru Akishita (HOST, 2018)

Breaking Message Integrity of an End-to-End Encryption Scheme of LINE. - Takanori Isobe 001; Kazuhiko Minematsu (IACR Cryptol. ePrint Arch., 2018)

Fast Correlation Attack Revisited -Cryptanalysis on Full Grain-128a, Grain-128, and Grain-v1. - Yosuke Todo; Takanori Isobe 001; Willi Meier; Kazumaro Aoki; Bin Zhang 003 (IACR Cryptol. ePrint Arch., 2018)

On Design of Robust Lightweight Stream Cipher with Short Internal State. - Subhadeep Banik; Takanori Isobe 001; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Theoretical Understanding of Some Conditional and Joint Biases in RC4 Stream Cipher. - Sonu Jha; Subhadeep Banik; Takanori Isobe 001; Toshihiro Ohigashi; Santanu Sarkar 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Cryptanalysis of Reduced Kreyvium. - Yuhei Watanabe; Takanori Isobe 001; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Cube Attacks on Non-Blackbox Polynomials Based on Division Property. - Yosuke Todo; Takanori Isobe 001; Yonglin Hao; Willi Meier (IEEE Trans. Computers, 2018)

ShiftRows Alternatives for AES-like Ciphers and Optimal Cell Permutations for Midori and Skinny. - Gianira N. Alfarano; Christof Beierle; Takanori Isobe 001; Stefan Kölbl; Gregor Leander (IACR Trans. Symmetric Cryptol., 2018)

Towards Low Energy Stream Ciphers. - Subhadeep Banik; Vasily Mikhalev; Frederik Armknecht; Takanori Isobe 001; Willi Meier; Andrey Bogdanov; Yuhei Watanabe; Francesco Regazzoni 001 (IACR Trans. Symmetric Cryptol., 2018)

Efficient Collision Attack Frameworks for RIPEMD-160. - Fukang Liu; Christoph Dobraunig; Florian Mendel; Takanori Isobe 001; Gaoli Wang; Zhenfu Cao (CRYPTO (2), 2019)

Neural-Network-Based Pseudo-Random Number Generator Evaluation Tool for Stream Ciphers. - Hayato Kimura 002; Takanori Isobe 001; Toshihiro Ohigashi (CANDAR Workshops, 2019)

More results on Shortest Linear Programs. - Subhadeep Banik; Yuki Funabiki; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2019)

Plaintext Recovery Attacks against XTS Beyond Collisions. - Takanori Isobe 001; Kazuhiko Minematsu (IACR Cryptol. ePrint Arch., 2019)

Iterative Differential Characteristic of TRIFLE-BC. - Fukang Liu; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2019)

Cryptanalysis of Subterranean-SAE. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2019)

Preimages and Collisions for Up to 5-Round Gimli-Hash Using Divide-and-Conquer Methods. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2019)

Improved Integral Attack on HIGHT. - Yuki Funabiki; Yosuke Todo; Takanori Isobe 001; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

Meet-in-the-Middle Key Recovery Attacks on a Single-Key Two-Round Even-Mansour Cipher. - Takanori Isobe 001; Kyoji Shibutani (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

Improved Division Property Based Cube Attacks Exploiting Algebraic Properties of Superpoly. - Yonglin Hao; Takanori Isobe 001; Lin Jiao; Chaoyun Li; Willi Meier; Yosuke Todo; Qingju Wang 001 (IEEE Trans. Computers, 2019)

Cryptanalysis of Plantlet. - Subhadeep Banik; Khashayar Barooti; Takanori Isobe 001 (IACR Trans. Symmetric Cryptol., 2019)

New Semi-Free-Start Collision Attack Framework for Reduced RIPEMD-160. - Fukang Liu; Christoph Dobraunig; Florian Mendel; Takanori Isobe 001; Gaoli Wang; Zhenfu Cao (IACR Trans. Symmetric Cryptol., 2019)

Cube-Based Cryptanalysis of Subterranean-SAE. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Trans. Symmetric Cryptol., 2019)

Galaxy: A Family of Stream-Cipher-Based Space-Hard Ciphers. - Yuji Koike; Kosei Sakamoto; Takuya Hayashi 001; Takanori Isobe 001 (ACISP, 2020)

WARP : Revisiting GFN for Lightweight 128-bit Block Cipher. - Subhadeep Banik; Zhenzhen Bao; Takanori Isobe 001; Hiroyasu Kubo; Fukang Liu; Kazuhiko Minematsu; Kosei Sakamoto; Nao Shibata; Maki Shigeri (IACR Cryptol. ePrint Arch., 2020)

ACE in Chains : How Risky is CBC Encryption of Binary Executable Files ? - Rintaro Fujita; Takanori Isobe 001; Kazuhiko Minematsu (IACR Cryptol. ePrint Arch., 2020)

Exploiting Weak Diffusion of Gimli: A Full-Round Distinguisher and Reduced-Round Preimage Attacks. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2020)

Automatic Verification of Differential Characteristics: Application to Reduced Gimli. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2020)

Cryptanalysis of Full LowMC and LowMC-M with Algebraic Techniques. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2020)

Algebraic Attacks on Round-Reduced Keccak/Xoodoo. - Fukang Liu; Takanori Isobe 001; Willi Meier; Zhonghao Yang 003 (IACR Cryptol. ePrint Arch., 2020)

Security Analysis and Countermeasures of an End-to-End Encryption Scheme of LINE. - Takanori Isobe 001; Kazuhiko Minematsu (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Security of Related-Key Differential Attacks on TWINE, Revisited. - Kosei Sakamoto; Kazuhiko Minematsu; Nao Shibata; Maki Shigeri; Hiroyasu Kubo; Yuki Funabiki; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Key-Recovery Security of Single-Key Even-Mansour Ciphers. - Takanori Isobe 001; Kyoji Shibutani (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Preimage Attacks on Reduced Troika with Divide-and-Conquer Methods. - Fukang Liu; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Tweakable TWINE: Building a Tweakable Block Cipher on Generalized Feistel Structure. - Kosei Sakamoto; Kazuhiko Minematsu; Nao Shibata; Maki Shigeri; Hiroyasu Kubo; Yuki Funabiki; Andrey Bogdanov; Sumio Morioka; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Algebraic Attacks on Round-Reduced Keccak. - Fukang Liu; Takanori Isobe 001; Willi Meier; Zhonghao Yang 003 (ACISP, 2021)

Algebraic Attacks on Rasta and Dasta Using Low-Degree Equations. - Fukang Liu; Santanu Sarkar 001; Willi Meier; Takanori Isobe 001 (ASIACRYPT (1), 2021)

Differential Fault Attack on Rocca. - Ravi Anand; Takanori Isobe 001 (ICISC, 2021)

Three Input Exclusive-OR Gate Support for Boyar-Peralta's Algorithm. - Anubhab Baksi; Vishnu Asutosh Dasu; Banashri Karmakar; Anupam Chattopadhyay; Takanori Isobe 001 (INDOCRYPT, 2021)

Security Analysis of End-to-End Encryption for Zoom Meetings. - Takanori Isobe 001; Ryoma Ito 001 (IEEE Access, 2021)

Output Prediction Attacks on SPN Block Ciphers using Deep Learning. - Hayato Kimura 002; Keita Emura; Takanori Isobe 001; Ryoma Ito 001; Kazuto Ogawa; Toshihiro Ohigashi (IACR Cryptol. ePrint Arch., 2021)

Three Input Exclusive-OR Gate Support For Boyar-Peralta's Algorithm (Extended Version). - Anubhab Baksi; Vishnu Asutosh Dasu; Banashri Karmakar; Anupam Chattopadhyay; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2021)

Distinguishing and Key Recovery Attacks on the Reduced-Round SNOW-V. - Jin Hoki; Takanori Isobe 001; Ryoma Ito 001; Fukang Liu; Kosei Sakamoto (IACR Cryptol. ePrint Arch., 2021)

A Simple Algebraic Attack on 3-Round LowMC. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2021)

Algebraic Attacks on Rasta and Dasta Using Low-Degree Equations. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Cryptol. ePrint Arch., 2021)

Finding Practical Distinguishers for ZUC-256 Using Modular Differences. - Fukang Liu; Willi Meier; Santanu Sarkar 001; Gaoli Wang; Ryoma Ito 001; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2021)

Further Results on Efficient Implementations of Block Cipher Linear Layers. - Subhadeep Banik; Yuki Funabiki; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

MILP-Aided Security Evaluation of Differential Attacks on KCipher-2. - Jin Hoki; Kosei Sakamoto; Fukang Liu; Kazuhiko Minematsu; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Practical Integral Distinguishers on SNOW 3G and KCipher-2. - Jin Hoki; Kosei Sakamoto; Kazuhiko Minematsu; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Virtual Vault: A Practical Leakage Resilient Scheme Using Space-Hard Ciphers. - Yuji Koike; Takuya Hayashi 001; Jun Kurihara; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Bit-wise cryptanalysis on AND-RX permutation Friet-PC. - Ryoma Ito 001; Rentaro Shiba; Kosei Sakamoto; Fukang Liu; Takanori Isobe 001 (J. Inf. Secur. Appl., 2021)

Yoroi: Updatable Whitebox Cryptography. - Yuji Koike; Takanori Isobe 001 (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2021)

Atom: A Stream Cipher with Double Key Filter. - Subhadeep Banik; Andrea Caforio; Takanori Isobe 001; Fukang Liu; Willi Meier; Kosei Sakamoto; Santanu Sarkar 001 (IACR Trans. Symmetric Cryptol., 2021)

Orthros: A Low-Latency PRF. - Subhadeep Banik; Takanori Isobe 001; Fukang Liu; Kazuhiko Minematsu; Kosei Sakamoto (IACR Trans. Symmetric Cryptol., 2021)

Perfect Trees: Designing Energy-Optimal Symmetric Encryption Primitives. - Andrea Caforio; Subhadeep Banik; Yosuke Todo; Willi Meier; Takanori Isobe 001; Fukang Liu; Bin Zhang 003 (IACR Trans. Symmetric Cryptol., 2021)

Exploiting Weak Diffusion of Gimli: Improved Distinguishers and Preimage Attacks. - Fukang Liu; Takanori Isobe 001; Willi Meier (IACR Trans. Symmetric Cryptol., 2021)

Weak Keys in Reduced AEGIS and Tiaoxin. - Fukang Liu; Takanori Isobe 001; Willi Meier; Kosei Sakamoto (IACR Trans. Symmetric Cryptol., 2021)

Rocca: An Efficient AES-based Encryption Scheme for Beyond 5G. - Kosei Sakamoto; Fukang Liu; Yuto Nakano; Shinsaku Kiyomoto; Takanori Isobe 001 (IACR Trans. Symmetric Cryptol., 2021)

Output Prediction Attacks on Block Ciphers Using Deep Learning. - Hayato Kimura 002; Keita Emura; Takanori Isobe 001; Ryoma Ito 001; Kazuto Ogawa; Toshihiro Ohigashi (ACNS Workshops, 2022)

Big Brother Is Watching You: A Closer Look At Backdoor Construction. - Anubhab Baksi; Arghya Bhattacharjee; Jakub Breier; Takanori Isobe 001; Mridul Nandi (IACR Cryptol. ePrint Arch., 2022)

A Modular Approach to the Incompressibility of Block-Cipher-Based AEADs. - Akinori Hosoyamada; Takanori Isobe 001; Yosuke Todo; Kan Yasuda (IACR Cryptol. ePrint Arch., 2022)

Coefficient Grouping: Breaking Chaghri and More. - Fukang Liu; Ravi Anand; Libo Wang; Willi Meier; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2022)

Algebraic Meet-in-the-Middle Attack on LowMC. - Fukang Liu; Gaoli Wang; Willi Meier; Santanu Sarkar 001; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2022)

Rocca: An Efficient AES-based Encryption Scheme for Beyond 5G (Full version). - Kosei Sakamoto; Fukang Liu; Yuto Nakano; Shinsaku Kiyomoto; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2022)

Design of a Linear Layer for a Block Cipher Based on Type-2 Generalized Feistel Network with 32 Branches. - Kosei Sakamoto; Kazuhiko Minematsu; Nao Shibata; Maki Shigeri; Hiroyasu Kubo; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

Applying Byte-Shuffling to CLEFIA-Type Structure. - Kazuto Shimizu; Kosei Sakamoto; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

A Proof of Work Based on Key Recovery Problem of Cascade Block Ciphers with ASIC Resistance. - Takaki Asanuma; Takanori Isobe 001 (IEICE Trans. Inf. Syst., 2022)

Efficient constructions for large-state block ciphers based on AES New Instructions. - Rentaro Shiba; Kosei Sakamoto; Takanori Isobe 001 (IET Inf. Secur., 2022)

Integral and impossible-differential attacks on the reduced-round Lesamnta-LW-BC. - Rentaro Shiba; Kosei Sakamoto; Fukang Liu; Kazuhiko Minematsu; Takanori Isobe 001 (IET Inf. Secur., 2022)

Distinguishing and key recovery attacks on the reduced-round SNOW-V and SNOW-Vi. - Jin Hoki; Takanori Isobe 001; Ryoma Ito 001; Fukang Liu; Kosei Sakamoto (J. Inf. Secur. Appl., 2022)

A Proof of Work based on Preimage Problem of Variants of SHA-3 with ASIC Resistance. - Takaki Asanuma; Takanori Isobe 001 (J. Inf. Process., 2022)

The Inverse of χ and Its Applications to Rasta-Like Ciphers. - Fukang Liu; Santanu Sarkar 001; Willi Meier; Takanori Isobe 001 (J. Cryptol., 2022)

New Low-Memory Algebraic Attacks on LowMC in the Picnic Setting. - Fukang Liu; Willi Meier; Santanu Sarkar 001; Takanori Isobe 001 (IACR Trans. Symmetric Cryptol., 2022)

New Cryptanalysis of ZUC-256 Initialization Using Modular Differences. - Fukang Liu; Willi Meier; Santanu Sarkar 001; Gaoli Wang; Ryoma Ito 001; Takanori Isobe 001 (IACR Trans. Symmetric Cryptol., 2022)

Hybrid Code Lifting on Space-Hard Block Ciphers Application to Yoroi and SPNbox. - Yosuke Todo; Takanori Isobe 001 (IACR Trans. Symmetric Cryptol., 2022)

Ghidle: Efficient Large-State Block Ciphers for Post-quantum Security. - Motoki Nakahashi; Rentaro Shiba; Ravi Anand; Mostafizar Rahman; Kosei Sakamoto; Fukang Liu; Takanori Isobe 001 (ACISP, 2023)

An Ultra-High Throughput AES-Based Authenticated Encryption Scheme for 6G: Design and Implementation. - Ravi Anand; Subhadeep Banik; Andrea Caforio; Kazuhide Fukushima; Takanori Isobe 001; Shinsaku Kiyomoto; Fukang Liu; Yuto Nakano; Kosei Sakamoto; Nobuyuki Takeuchi (ESORICS (1), 2023)

BAKSHEESH: Similar Yet Different From GIFT. - Anubhab Baksi; Jakub Breier; Anupam Chattopadhyay; Tomas Gerlich; Sylvain Guilley; Naina Gupta 001; Kai Hu; Takanori Isobe 001; Arpan Jati; Petr Jedlicka; Hyunjun Kim; Fukang Liu; et al. (IACR Cryptol. ePrint Arch., 2023)

Areion: Highly-Efficient Permutations and Its Applications (Extended Version). - Takanori Isobe 001; Ryoma Ito 001; Fukang Liu; Kazuhiko Minematsu; Motoki Nakahashi; Kosei Sakamoto; Rentaro Shiba (IACR Cryptol. ePrint Arch., 2023)

Key Committing Security Analysis of AEGIS. - Takanori Isobe 001; Mostafizar Rahman (IACR Cryptol. ePrint Arch., 2023)

Coefficient Grouping for Complex Affine Layers. - Fukang Liu; Lorenzo Grassi 001; Clémence Bouvier; Willi Meier; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2023)

Analysis of RIPEMD-160: New Collision Attacks and Finding Characteristics with MILP. - Fukang Liu; Gaoli Wang; Santanu Sarkar 001; Ravi Anand; Willi Meier; Yingxin Li; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2023)

Parallel SAT Framework to Find Clustering of Differential Characteristics and Its Applications. - Kosei Sakamoto; Ryoma Ito 001; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2023)

An Efficient Strategy to Construct a Better Differential on Multiple-Branch-Based Designs: Application to Orthros. - Kazuma Taka; Tatsuya Ishikawa; Kosei Sakamoto; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2023)

Finding Desirable Substitution Box with SASQUATCH. - Manas Wadhwa; Anubhab Baksi; Kai Hu; Anupam Chattopadhyay; Takanori Isobe 001; Dhiman Saha (IACR Cryptol. ePrint Arch., 2023)

On Optimality of the Round Function of Rocca. - Nobuyuki Takeuchi; Kosei Sakamoto; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Even-Mansour Space-hard Cipher: White-box Cryptography Cipher Meets Physically Unclonable Function. - Takaki Asanuma; Takanori Isobe 001 (J. Inf. Process., 2023)

Cryptanalysis on End-to-End Encryption Schemes of Communication Tools and Its Research Trend. - Takanori Isobe 001; Ryoma Ito 001; Kazuhiko Minematsu (J. Inf. Process., 2023)

A Deeper Look into Deep Learning-based Output Prediction Attacks Using Weak SPN Block Ciphers. - Hayato Kimura 002; Keita Emura; Takanori Isobe 001; Ryoma Ito 001; Kazuto Ogawa; Toshihiro Ohigashi (J. Inf. Process., 2023)

Areion: Highly-Efficient Permutations and Its Applications to Hash Functions for Short Input. - Takanori Isobe 001; Ryoma Ito 001; Fukang Liu; Kazuhiko Minematsu; Motoki Nakahashi; Kosei Sakamoto; Rentaro Shiba (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2023)

Cubicle: A family of space-hard ciphers for IoT. - Rentaro Shiba; Ravi Anand; Kazuhiko Minematsu; Takanori Isobe 001 (IET Inf. Secur., 2023)

mPoW: How to Make Proof of Work Meaningful. - Takaki Asanuma; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Security Evaluation of Initialization Phases and Round Functions of Rocca and AEGIS. - Nobuyuki Takeuchi; Kosei Sakamoto; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Quantum security analysis of Rocca. - Ravi Anand; Takanori Isobe 001 (Quantum Inf. Process., 2023)

MILP-based security evaluation for AEGIS/Tiaoxin-346/Rocca. - Takuro Shiraya; Nobuyuki Takeuchi; Kosei Sakamoto; Takanori Isobe 001 (IET Inf. Secur., 2023)

Bit-level evaluation of piccolo block cipher by satisfiability problem solver. - Shion Utsumi; Kosei Sakamoto; Takanori Isobe 001 (IET Inf. Secur., 2023)

Differential Distinguishing Attacks on SNOW-V, SNOW-Vi and KCipher-2. - Rikuto Kurahara; Kosei Sakamoto; Yuto Nakano; Takanori Isobe 001 (ACISP (1), 2024)

Collision Attacks on Hashing Modes of Areion. - Kodai Taiyama; Kosei Sakamoto; Rentaro Shiba; Takanori Isobe 001 (CANS (2), 2024)

ASURA: An Efficient Large-State Tweakable Block Cipher for ARM Environment. - Atsushi Tanaka; Rentaro Shiba; Kosei Sakamoto; Mostafizar Rahman; Takuro Shiraya; Takanori Isobe 001 (INDOCRYPT (1), 2024)

Security Analysis on End-to-End Encryption of Zoom Mail. - Shogo Shiraki; Takanori Isobe 001 (ISITA, 2024)

Bit-Wise Analysis for Forgery Attacks on AES-Based AEAD Schemes. - Takuro Shiraya; Kosei Sakamoto; Takanori Isobe 001 (IWSEC, 2024)

On the Key-Commitment Properties of Forkcipher-based AEADs. - Mostafizar Rahman; Samir Kundu; Takanori Isobe 001 (IACR Commun. Cryptol., 2024)

Quantum Key Recovery Attacks on 4-round Iterated Even-Mansour with Two Keys. - Ravi Anand; Shibam Ghosh; Takanori Isobe 001; Rentaro Shiba (IACR Cryptol. ePrint Arch., 2024)

Key Collisions on AES and Its Applications. - Kodai Taiyama; Kosei Sakamoto; Ryoma Ito 001; Kazuma Taka; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2024)

Improving the Security Bounds against Differential Attacks for Pholkos Family. - Nobuyuki Takeuchi; Kosei Sakamoto; Takuro Shiraya; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

SAT-Based Analysis of Related-Key Impossible Distinguishers on Piccolo and (Tweakable) TWINE. - Shion Utsumi; Kosei Sakamoto; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Looking Further into the Security of End-to-End Encryption of SFrame. - Shogo Shiraki; Hayato Kimura 002; Takanori Isobe 001 (J. Inf. Process., 2024)

Gleeok: A Family of Low-Latency PRFs and its Applications to Authenticated Encryption. - Ravi Anand; Subhadeep Banik; Andrea Caforio; Tatsuya Ishikawa; Takanori Isobe 001; Fukang Liu; Kazuhiko Minematsu; Mostafizar Rahman; Kosei Sakamoto (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2024)

Key Committing Attacks against AES-based AEAD Schemes. - Patrick Derbez; Pierre-Alain Fouque; Takanori Isobe 001; Mostafizar Rahman; André Schrottenloher (IACR Trans. Symmetric Cryptol., 2024)

Exploring the optimality of byte-wise permutations of a piccolo-type block cipher. - Shion Utsumi; Motoki Nakahashi; Kosei Sakamoto; Takanori Isobe 001 (Inf. Process. Lett., 2024)

Analysis of Atom against quantum attacks. - Ravi Anand; Rimpa Nandi; Takanori Isobe 001 (IET Quantum Commun., 2024)

Restricted near collision attack on Plantlet. - Satyam Kumar 002; Sandip Kumar Mondal; Santanu Sarkar 001; Takanori Isobe 001; Anubhab Baksi; Avishek Adhikari (J. Cryptogr. Eng., 2024)

Revisiting the Boomerang Attack From a Perspective of 3-Differential. - Libo Wang; Ling Song 001; Baofeng Wu; Mostafizar Rahman; Takanori Isobe 001 (IEEE Trans. Inf. Theory, 2024)

Differential fault attack on AES-based encryption schemes: application to B5G/6G ciphers - Rocca, Rocca-S and AEGIS. - Ravi Anand; Takanori Isobe 001; Anup Kumar Kundu; Mostafizar Rahman; Sahiba Suryawanshi (J. Cryptogr. Eng., 2024)

Strengthening Key Scheduling of AES-256 with Minimal Software Modifications. - Shoma Kawakami; Kazuma Taka; Atsushi Tanaka; Tatsuya Ishikawa; Takanori Isobe 001 (ACISP (1), 2025)

Forgery Attacks on SipHash. - Kosuke Sasaki; Rikuto Kurahara; Kosei Sakamoto; Takanori Isobe 001 (ACISP (1), 2025)

EWEMrl: A White-Box Secure Cipher with Longevity. - Avik Chakraborti; Shibam Ghosh; Takanori Isobe 001; Sajani Kundu (IACR Cryptol. ePrint Arch., 2025)

Finding the Inverse of some Shift Invariant Transformations. - Fukang Liu; Vaibhav Dixit; Santanu Sarkar 001; Willi Meier; Takanori Isobe 001 (IACR Cryptol. ePrint Arch., 2025)

Finding New Differential Characteristics on SPECK Family. - Rikuto Kurahara; Kosei Sakamoto; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2025)

Towards Finding Better Differentials on Multiple-Branch-Based Structures with the SAT Method. - Kazuma Taka; Tatsuya Ishikawa; Kosei Sakamoto; Takanori Isobe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2025)

Security analysis of SFrame. - Takanori Isobe 001; Ryoma Ito 001; Kazuhiko Minematsu (J. Inf. Secur. Appl., 2025)

AETHER: An Ultra-High Throughput and Low Energy Authenticated Encryption Scheme. - Subhadeep Banik; Andrea Caforio; Tatsuya Ishikawa; Takanori Isobe 001; Mostafizar Rahman; Kosei Sakamoto (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2025)