| 2018 | ISPEC | Efficient Trapdoor Generation from Multiple Hashing in Searchable Symmetric Encryption. | Takato Hirano, Yutaka Kawai, Yoshihiro Koseki |
| 2018 | ProvSec | Token-Based Multi-input Functional Encryption. | Nuttapong Attrapadung, Goichiro Hanaoka, Takato Hirano, Yutaka Kawai, Yoshihiro Koseki, Jacob C. N. Schuldt |
| 2018 | ProvSec | Formal Treatment of Verifiable Privacy-Preserving Data-Aggregation Protocols. | Satoshi Yasuda, Yoshihiro Koseki, Yusuke Sakai, Fuyuki Kitagawa, Yutaka Kawai, Goichiro Hanaoka |
| 2016 | CANS | Probabilistic Generation of Trapdoors: Reducing Information Leakage of Searchable Symmetric Encryption. | Kenichiro Hayasaka, Yutaka Kawai, Yoshihiro Koseki, Takato Hirano, Kazuo Ohta, Mitsugu Iwamoto |
| 2016 | ISITA | A practical attack to AINA2014's countermeasure for cancelable biometric authentication protocols. | Takato Hirano, Takashi Ito, Yutaka Kawai, Nori Matsuda, Takumi Yamamoto, Tatsuji Munaka |
| 2016 | ISITA | Master key updatable attribute-based encryption on the dual pairing vector space. | Yutaka Kawai |
| 2016 | IWSEC | Simple, Secure, and Efficient Searchable Symmetric Encryption with Multiple Encrypted Indexes. | Takato Hirano, Mitsuhiro Hattori, Yutaka Kawai, Nori Matsuda, Mitsugu Iwamoto, Kazuo Ohta, Yusuke Sakai, Tatsuji Munaka |
| 2015 | CANS | SEPM: Efficient Partial Keyword Search on Encrypted Data. | Yutaka Kawai, Takato Hirano, Yoshihiro Koseki, Tatsuji Munaka |
| 2015 | ISPEC | Outsourcing the Re-encryption Key Generation: Flexible Ciphertext-Policy Attribute-Based Proxy Re-encryption. | Yutaka Kawai |
| 2013 | Pairing | Predicate- and Attribute-Hiding Inner Product Encryption in a Public Key Setting. | Yutaka Kawai, Katsuyuki Takashima |
| 2012 | Pairing | Group Signatures with Message-Dependent Opening. | Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Takahiro Matsuda, Kazumasa Omote |
| 2011 | CCGRID | Managing Distributed Files with RNS in Heterogeneous Data Grids. | Yutaka Kawai, Go Iwai, Takashi Sasaki, Yoshiyuki Watase |
| 2011 | IWSEC | Towards Restricting Plaintext Space in Public Key Encryption. | Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Kazumasa Omote |
| 2010 | HPDC | SAGA-based file access application over multi-filesystem middleware. | Yutaka Kawai, Go Iwai, Takashi Sasaki, Yoshiyuki Watase |
| 2010 | SECRYPT | Proxiable Designated Verifier Signature. | Mebae Ushida, Kazuo Ohta, Yutaka Kawai, Kazuki Yoneyama |
| 2009 | ISPEC | Secret Handshake: Strong Anonymity Definition and Construction. | Yutaka Kawai, Kazuki Yoneyama, Kazuo Ohta |
| 2008 | WISA | Extension of Secret Handshake Protocols with Multiple Groups in Monotone Condition. | Yutaka Kawai, Shotaro Tanno, Takahiro Kondo, Kazuki Yoneyama, Noboru Kunihiro, Kazuo Ohta |