Revisiting the Boomerang Attack From a Perspective of 3-Differential.

Libo Wang, Ling Song 0001, Baofeng Wu, Mostafizar Rahman, Takanori Isobe

IEEE Trans. Inf. Theory 70(7) 5343-5357 2024年7月査読有り
Restricted near collision attack on Plantlet.

Satyam Kumar, Sandip Kumar Mondal, Santanu Sarkar, Takanori Isobe, Anubhab Baksi, Avishek Adhikari

J. Cryptogr. Eng. 14(1) 19-34 2024年4月査読有り
Analysis of Atom against quantum attacks.

Ravi Anand, Rimpa Nandi, Takanori Isobe

IET Quantum Commun. 5(1) 88-102 2024年3月査読有り
Parallel SAT Framework to Find Clustering of Differential Characteristics and Its Applications

Kosei Sakamoto, Ryoma Ito, Takanori Isobe

Selected Areas in Cryptography – SAC 2023 409-428 2024年2月19日査読有り
Exploring the optimality of byte-wise permutations of a piccolo-type block cipher.

Shion Utsumi, Motoki Nakahashi, Kosei Sakamoto, Takanori Isobe

Inf. Process. Lett. 184 106436-106436 2024年2月査読有り
Key Collisions on AES and Its Applications.

Kodai Taiyama, Kosei Sakamoto, Ryoma Ito 0001, Kazuma Taka, Takanori Isobe 0001

IACR Cryptol. ePrint Arch. 2024 1508-1508 2024年
Key Committing Attacks against AES-based AEAD Schemes.

Patrick Derbez, Pierre-Alain Fouque, Takanori Isobe, Mostafizar Rahman, André Schrottenloher

IACR Trans. Symmetric Cryptol. 2024(1) 135-157 2024年査読有り
Gleeok: A Family of Low-Latency PRFs and its Applications to Authenticated Encryption.

Ravi Anand, Subhadeep Banik, Andrea Caforio, Tatsuya Ishikawa, Takanori Isobe, Fukang Liu, Kazuhiko Minematsu, Mostafizar Rahman, Kosei Sakamoto

IACR Trans. Cryptogr. Hardw. Embed. Syst. 2024(2) 545-587 2024年査読有り
Cryptanalysis on End-to-End Encryption Schemes of Communication Tools and Its Research Trend

Takanori Isobe, Ryoma Ito, Kazuhiko Minematsu

Journal of Information Processing 31 523-536 2023年9月15日査読有り招待有り
Bit-level evaluation of piccolo block cipher by satisfiability problem solver.

Shion Utsumi, Kosei Sakamoto, Takanori Isobe

IET Information Security 17(4) 616-625 2023年7月査読有り
MILP-based security evaluation for AEGIS/Tiaoxin-346/Rocca.

Takuro Shiraya, Nobuyuki Takeuchi, Kosei Sakamoto, Takanori Isobe

IET Information Security 17(3) 458-467 2023年5月査読有り
Quantum security analysis of Rocca.

Ravi Anand, Takanori Isobe

Quantum Inf. Process. 22(4) 164-164 2023年4月査読有り
mPoW: How to Make Proof of Work Meaningful.

Takaki Asanuma, Takanori Isobe

IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106(3) 333-340 2023年3月査読有り
Security Evaluation of Initialization Phases and Round Functions of Rocca and AEGIS.

Nobuyuki Takeuchi, Kosei Sakamoto, Takanori Isobe

IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106(3) 253-262 2023年3月査読有り
Coefficient Grouping for Complex Affine Layers.

Fukang Liu, Lorenzo Grassi, Clémence Bouvier, Willi Meier, Takanori Isobe

CRYPTO 540-572 2023年査読有り
An Ultra-High Throughput AES-Based Authenticated Encryption Scheme for 6G: Design and Implementation.

Ravi Anand, Subhadeep Banik, Andrea Caforio, Kazuhide Fukushima, Takanori Isobe, Shinsaku Kiyomoto, Fukang Liu, Yuto Nakano, Kosei Sakamoto, Nobuyuki Takeuchi

ESORICS (1) 229-248 2023年査読有り
A Deeper Look into Deep Learning-based Output Prediction Attacks Using Weak SPN Block Ciphers.

Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi

Journal of Information Processing 31 550-561 2023年査読有り
Ghidle: Efficient Large-State Block Ciphers for Post-quantum Security.

Motoki Nakahashi, Rentaro Shiba, Ravi Anand, Mostafizar Rahman, Kosei Sakamoto, Fukang Liu, Takanori Isobe

ACISP 403-430 2023年査読有り
Even-Mansour Space-hard Cipher: White-box Cryptography Cipher Meets Physically Unclonable Function.

Takaki Asanuma, Takanori Isobe

J. Inf. Process. 31 88-96 2023年査読有り
Cubicle: A family of space-hard ciphers for IoT.

Rentaro Shiba, Ravi Anand, Kazuhiko Minematsu, Takanori Isobe

IET Inf. Secur. 17(1) 131-146 2023年1月査読有り
Coefficient Grouping: Breaking Chaghri and More.

Fukang Liu, Ravi Anand, Libo Wang, Willi Meier, Takanori Isobe

EUROCRYPT (4) 287-317 2023年査読有り
Analysis of RIPEMD-160: New Collision Attacks and Finding Characteristics with MILP.

Fukang Liu, Gaoli Wang, Santanu Sarkar, Ravi Anand, Willi Meier, Yingxin Li, Takanori Isobe

EUROCRYPT (4) 189-219 2023年査読有り
An Efficient Strategy to Construct a Better Differential on Multiple-Branch-Based Designs: Application to Orthros.

Kazuma Taka, Tatsuya Ishikawa, Kosei Sakamoto, Takanori Isobe

CT-RSA 277-304 2023年査読有り
Areion: Highly-Efficient Permutations and Its Applications to Hash Functions for Short Input.

Takanori Isobe, Ryoma Ito, Fukang Liu, Kazuhiko Minematsu, Motoki Nakahashi, Kosei Sakamoto, Rentaro Shiba

IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023(2) 115-154 2023年査読有り
On Optimality of the Round Function of Rocca.

Nobuyuki Takeuchi, Kosei Sakamoto, Takanori Isobe

IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106(1) 45-53 2023年査読有り
Algebraic Meet-in-the-Middle Attack on LowMC.

Fukang Liu, Santanu Sarkar 0001, Gaoli Wang, Willi Meier, Takanori Isobe

ASIACRYPT (1) 225-255 2022年査読有り
Hybrid Code Lifting on Space-Hard Block Ciphers Application to Yoroi and SPNbox.

Yosuke Todo, Takanori Isobe

IACR Transactions on Symmetric Cryptology 2022(3) 368-402 2022年査読有り
New Cryptanalysis of ZUC-256 Initialization Using Modular Differences.

Fukang Liu, Willi Meier, Santanu Sarkar 0001, Gaoli Wang, Ryoma Ito 0001, Takanori Isobe 0001

IACR Transactions on Symmetric Cryptology 2022(3) 152-190 2022年査読有り
New Low-Memory Algebraic Attacks on LowMC in the Picnic Setting.

Fukang Liu, Willi Meier, Santanu Sarkar 0001, Takanori Isobe 0001

IACR Transactions on Symmetric Cryptology 2022(3) 102-122 2022年査読有り
The Inverse of χ and Its Applications to Rasta-Like Ciphers.

Fukang Liu, Santanu Sarkar 0001, Willi Meier, Takanori Isobe 0001

Journal of Cryptology 35(4) 28-28 2022年査読有り
Distinguishing and key recovery attacks on the reduced-round SNOW-V and SNOW-Vi.

Jin Hoki, Takanori Isobe 0001, Ryoma Ito 0001, Fukang Liu, Kosei Sakamoto

Journal of Information Security and Applications 65 103100-103100 2022年査読有り
Output Prediction Attacks on Block Ciphers Using Deep Learning

Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi

Lecture Notes in Computer Science 248-276 2022年査読有り
Efficient constructions for large-state block ciphers based on AES New Instructions.

Rentaro Shiba, Kosei Sakamoto, Takanori Isobe 0001

IET Information Security 16(3) 145-160 2022年査読有り
Integral and impossible-differential attacks on the reduced-round Lesamnta-LW-BC.

Rentaro Shiba, Kosei Sakamoto, Fukang Liu, Kazuhiko Minematsu, Takanori Isobe 0001

IET Information Security 16(2) 75-85 2022年査読有り
A Proof of Work Based on Key Recovery Problem of Cascade Block Ciphers with ASIC Resistance.

Takaki Asanuma, Takanori Isobe

IEICE Transactions on Information & Systems 105(2) 248-255 2022年査読有り
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 0001

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 105-A(3) 278-288 2022年査読有り
Applying Byte-Shuffling to CLEFIA-Type Structure.

Kazuto Shimizu, Kosei Sakamoto, Takanori Isobe 0001

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 105-A(3) 268-277 2022年査読有り
A Proof of Work based on Preimage Problem of Variants of SHA-3 with ASIC Resistance.

Takaki Asanuma, Takanori Isobe 0001

J. Inf. Process. 30 75-83 2022年査読有り
Output Prediction Attacks on SPN Block Ciphers using Deep Learning.

Hayato Kimura 0002, Keita Emura, Takanori Isobe 0001, Ryoma Ito 0001, Kazuto Ogawa, Toshihiro Ohigashi

IACR Cryptology ePrint Archive 2021 401-401 2021年査読有り
Distinguishing and Key Recovery Attacks on the Reduced-Round SNOW-V

Jin Hoki, Takanori Isobe, Ryoma Ito, Fukang Liu, Kosei Sakamoto

Information Security and Privacy 171-190 2021年査読有り
Algebraic Attacks on Rasta and Dasta Using Low-Degree Equations.

ASIACRYPT 2021 214-240 2021年査読有り
Perfect Trees: Designing Energy-Optimal Symmetric Encryption Primitives.

Andrea Caforio, Subhadeep Banik, Yosuke Todo, Willi Meier, Takanori Isobe 0001, Fukang Liu, Bin Zhang 0003

IACR Trans. Symmetric Cryptol. 2021(4) 36-73 2021年査読有り
Yoroi: Updatable Whitebox Cryptography.

Yuji Koike, Takanori Isobe 0001

IACR Trans. Cryptogr. Hardw. Embed. Syst. 2021(4) 587-617 2021年査読有り
Security Analysis of SFrame.

Takanori Isobe 0001, Ryoma Ito 0001, Kazuhiko Minematsu

Computer Security – ESORICS 2021 127-146 2021年査読有り
Weak Keys in Reduced AEGIS and Tiaoxin.

Fukang Liu, Takanori Isobe 0001, Willi Meier, Kosei Sakamoto

IACR Cryptol. ePrint Arch. 2021 187-187 2021年査読有り
Cryptanalysis of Full LowMC and LowMC-M with Algebraic Techniques.

Fukang Liu, Takanori Isobe, Willi Meier

CRYPTO 2021 368-401 2021年査読有り
Weak Keys in Reduced AEGIS and Tiaoxin.

Fukang Liu, Takanori Isobe 0001, Willi Meier, Kosei Sakamoto

IACR Trans. Symmetric Cryptol. 2021(2) 104-139 2021年査読有り
Rocca: An Efficient AES-based Encryption Scheme for Beyond 5G.

Kosei Sakamoto, Fukang Liu, Yuto Nakano, Shinsaku Kiyomoto, Takanori Isobe 0001

IACR Trans. Symmetric Cryptol. 2021(2) 1-30 2021年査読有り
Exploiting Weak Diffusion of Gimli: Improved Distinguishers and Preimage Attacks.

Fukang Liu, Takanori Isobe 0001, Willi Meier

IACR Trans. Symmetric Cryptol. 2021(1) 185-216 2021年査読有り
Orthros: A Low-Latency PRF.

Subhadeep Banik, Takanori Isobe 0001, Fukang Liu, Kazuhiko Minematsu, Kosei Sakamoto

IACR Trans. Symmetric Cryptol. 2021(1) 37-77 2021年査読有り

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