Shion Utsumi

According to our database, Shion Utsumi authored at least 5 papers between 2023 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Divide-and-Conquer SAT for Exploring Optimal Differential and Linear Characteristics and Its Applications.

Kazuma Taka, Kosei Sakamoto, Ryoma Ito, Rentaro Shiba, Shion Utsumi, Takanori Isobe

IACR Trans. Symmetric Cryptol., 2025

Exploring SHA Instructions and Its Application to AES-based Schemes.

Takuro Shiraya, Subhadeep Banik, Tatsuya Ishikawa, Ryoma Ito, Mostafizar Rahman, Kosei Sakamoto, Atsushi Tanaka, Shion Utsumi, Takanori Isobe

IACR Commun. Cryptol., 2025

2024

Exploring the optimality of byte-wise permutations of a piccolo-type block cipher.

Shion Utsumi, Motoki Nakahashi, Kosei Sakamoto, Takanori Isobe

Inf. Process. Lett., February, 2024

SAT-Based Analysis of Related-Key Impossible Distinguishers on Piccolo and (Tweakable) TWINE.

Shion Utsumi, Kosei Sakamoto, Takanori Isobe

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024

2023

Bit-level evaluation of piccolo block cipher by satisfiability problem solver.

Shion Utsumi, Kosei Sakamoto, Takanori Isobe

IET Inf. Secur., July, 2023