| 2026 | ACISP | Analyzing Forgery Security of LeMac: Tight Bounds and Impact of Padding. | Taichi Nagoya, Takuro Shiraya, Kazuma Taka, Tatsuya Ishikawa, Kosei Sakamoto, Ryoma Ito, Takanori Isobe |
| 2026 | ACISP | Automated Tool for Finding Practical Collisions on SPN-Based Hash Functions. | Keita Toyama, Kosei Sakamoto, Ryoma Ito, Kazuma Taka, Kodai Taiyama, Takanori Isobe |
| 2025 | ACSAC | Gravity of the Situation: Security Analysis on Rocket.Chat E2EE. | Hayato Kimura, Ryoma Ito, Kazuhiko Minematsu, Takanori Isobe |
| 2025 | ICISC | Comprehensive Security Analysis of End-to-End Encryption in LINE. | Takehiro Matsumoto, Atsushi Tanaka, Kyosuke Yamashita, Ryoma Ito, Takanori Isobe |
| 2024 | ASIACRYPT | Key Collisions on AES and Its Applications. | Kodai Taiyama, Kosei Sakamoto, Ryoma Ito, Kazuma Taka, Takanori Isobe |
| 2022 | ACISP | PNB-Focused Differential Cryptanalysis of ChaCha Stream Cipher. | Shotaro Miyashita, Ryoma Ito, Atsuko Miyaji |
| 2022 | ACNS | Output Prediction Attacks on Block Ciphers Using Deep Learning. | Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi |
| 2021 | ACISP | Distinguishing and Key Recovery Attacks on the Reduced-Round SNOW-V. | Jin Hoki, Takanori Isobe, Ryoma Ito, Fukang Liu, Kosei Sakamoto |
| 2021 | ACISP | Security Analysis of End-to-End Encryption for Zoom Meetings. | Takanori Isobe, Ryoma Ito |
| 2021 | ESORICS | Security Analysis of SFrame. | Takanori Isobe, Ryoma Ito, Kazuhiko Minematsu |
| 2018 | ACISP | New Iterated RC4 Key Correlations. | Ryoma Ito, Atsuko Miyaji |
| 2015 | ACISP | How TKIP Induces Biases of Internal States of Generic RC4. | Ryoma Ito, Atsuko Miyaji |
| 2015 | FSE | New Linear Correlations Related to State Information of RC4 PRGA Using IV in WPA. | Ryoma Ito, Atsuko Miyaji |
| 2014 | WISA | New Integrated Long-Term Glimpse of RC4. | Ryoma Ito, Atsuko Miyaji |