Motonari Ohtsuka

According to our database, Motonari Ohtsuka authored at least 3 papers between 2022 and 2025.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of five.

2025

Efficient Reconstruction in Key Recovery Attack on the QC-MDPC McEliece Cryptosystems.

Motonari Ohtsuka, Takahiro Ishimaru, Yuta Tsukie, Shingo Kukita, Kohtaro Watanabe

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2025

Key reconstruction for QC-MDPC McEliece from imperfect distance spectrum.

Motonari Ohtsuka, Takahiro Ishimaru, Rei Iseki, Shingo Kukita, Kohtaro Watanabe

IACR Cryptol. ePrint Arch., 2025

2022

ADMM and Reproducing Sum-Product Decoding Algorithm Applied to QC-MDPC Code-based McEliece Cryptosystems.

Kohtaro Watanabe, Motonari Ohtsuka, Yuta Tsukie

IACR Cryptol. ePrint Arch., 2022