Secret Handshake: Strong Anonymity Definition and Construction. - Yutaka Kawai; Kazuki Yoneyama; Kazuo Ohta (IACR Cryptol. ePrint Arch., 2009)

SAGA-based file access application over multi-filesystem middleware. - Yutaka Kawai; Go Iwai; Takashi Sasaki; Yoshiyuki Watase (HPDC, 2010)

Extension of Secret Handshake Protocols with Multiple Groups in Monotone Condition. - Yutaka Kawai; Shotaro Tanno; Takahiro Kondo; Kazuki Yoneyama; Kazuo Ohta; Noboru Kunihiro (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Public Key Encryption Schemes from the (B)CDH Assumption with Better Efficiency. - Shota Yamada 001; Yutaka Kawai; Goichiro Hanaoka; Noboru Kunihiro (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

SAGA-based user environment for distributed computing resources: A universal Grid solution over multi-middleware infrastructures. - Go Iwai; Yutaka Kawai; Takashi Sasaki; Yoshiyuki Watase (ICCS, 2010)

Managing Distributed Files with RNS in Heterogeneous Data Grids. - Yutaka Kawai; Go Iwai; Takashi Sasaki; Yoshiyuki Watase (CCGRID, 2011)

Towards Restricting Plaintext Space in Public Key Encryption. - Yusuke Sakai 001; Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Kazumasa Omote (IWSEC, 2011)

The advanced data searching system with AMGA at the Belle II experiment. - J. H. Kim; S. Ahn; Kihyeon Cho; M. Bracko; Zbynek Drasal; Thomas Fifield; R. Frühwirth; R. Grzymkowski; T. Hara; Martin Heck; S. Hwang; Y. Iida; et al. (Comput. Phys. Commun., 2011)

Proxiable Designated Verifier Signature. - Mebae Ushida; Yutaka Kawai; Kazuki Yoneyama; Kazuo Ohta (J. Inf. Process., 2011)

On the (Im)possibility Results for Strong Attack Models for Public Key Cryptsystems. - Yutaka Kawai; Yusuke Sakai 001; Noboru Kunihiro (J. Internet Serv. Inf. Secur., 2011)

A method for reliably managing files with RNS in multi Data Grids. - Yutaka Kawai; Adil Hasan; Go Iwai; Takashi Sasaki; Yoshiyuki Watase (ICCS, 2011)

Generic Construction of Chosen Ciphertext Secure Proxy Re-Encryption. - Goichiro Hanaoka; Yutaka Kawai; Noboru Kunihiro; Takahiro Matsuda 002; Jian Weng 001; Rui Zhang 002; Yunlei Zhao (CT-RSA, 2012)

Group Signatures with Message-Dependent Opening. - Yusuke Sakai 001; Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Takahiro Matsuda 002; Kazumasa Omote (Pairing, 2012)

A Swarm Inspired Method for Efficient Data Transfer. - Yutaka Kawai; Adil Hasan; Go Iwai; Takashi Sasaki; Yoshiyuki Watase (IEICE Trans. Inf. Syst., 2012)

Secret handshake scheme with request-based-revealing. - Yutaka Kawai; Noboru Kunihiro (Comput. Math. Appl., 2013)

Fully-Anonymous Functional Proxy-Re-Encryption. - Yutaka Kawai; Katsuyuki Takashima (IACR Cryptol. ePrint Arch., 2013)

Predicate- and Attribute-Hiding Inner Product Encryption in a Public Key Setting. - Yutaka Kawai; Katsuyuki Takashima (IACR Cryptol. ePrint Arch., 2013)

Methods for Restricting Message Space in Public-Key Encryption. - Yusuke Sakai 001; Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Kazumasa Omote (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

SEPM: Efficient Partial Keyword Search on Encrypted Data. - Yutaka Kawai; Takato Hirano; Yoshihiro Koseki; Tatsuji Munaka (CANS, 2015)

Outsourcing the Re-encryption Key Generation: Flexible Ciphertext-Policy Attribute-Based Proxy Re-encryption. - Yutaka Kawai (ISPEC, 2015)

Re-encryption Verifiability: How to Detect Malicious Activities of a Proxy in Proxy Re-encryption. - Satsuya Ohata; Yutaka Kawai; Takahiro Matsuda 002; Goichiro Hanaoka; Kanta Matsuura (IACR Cryptol. ePrint Arch., 2015)

Probabilistic Generation of Trapdoors: Reducing Information Leakage of Searchable Symmetric Encryption. - Kenichiro Hayasaka; Yutaka Kawai; Yoshihiro Koseki; Takato Hirano; Kazuo Ohta; Mitsugu Iwamoto (CANS, 2016)

A practical attack to AINA2014's countermeasure for cancelable biometric authentication protocols. - Takato Hirano; Takashi Ito; Yutaka Kawai; Nori Matsuda; Takumi Yamamoto; Tatsuji Munaka (ISITA, 2016)

Master key updatable attribute-based encryption on the dual pairing vector space. - Yutaka Kawai (ISITA, 2016)

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 001; Tatsuji Munaka (IWSEC, 2016)

A limitation on security evaluation of cryptographic primitives with fixed keys. - Yutaka Kawai; Goichiro Hanaoka; Kazuo Ohta; Noboru Kunihiro (Secur. Commun. Networks, 2016)

Dynamic Multi Target Homomorphic Attribute-Based Encryption. - Ryo Hiromasa; Yutaka Kawai (IMACC, 2017)

Fully Dynamic Multi Target Homomorphic Attribute-Based Encryption. - Ryo Hiromasa; Yutaka Kawai (IACR Cryptol. ePrint Arch., 2017)

Efficient Trapdoor Generation from Multiple Hashing in Searchable Symmetric Encryption. - Takato Hirano; Yutaka Kawai; Yoshihiro Koseki (ISPEC, 2018)

Multi-key Homomorphic Proxy Re-Encryption. - Satoshi Yasuda; Yoshihiro Koseki; Ryo Hiromasa; Yutaka Kawai (ISC, 2018)

Token-Based Multi-input Functional Encryption. - Nuttapong Attrapadung; Goichiro Hanaoka; Takato Hirano; Yutaka Kawai; Yoshihiro Koseki; Jacob C. N. Schuldt (ProvSec, 2018)

Formal Treatment of Verifiable Privacy-Preserving Data-Aggregation Protocols. - Satoshi Yasuda; Yoshihiro Koseki; Yusuke Sakai 001; Fuyuki Kitagawa; Yutaka Kawai; Goichiro Hanaoka (ProvSec, 2018)

Proxy Re-Encryption That Supports Homomorphic Operations for Re-Encrypted Ciphertexts. - Yutaka Kawai; Takahiro Matsuda 002; Takato Hirano; Yoshihiro Koseki; Goichiro Hanaoka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

Group Signatures with Message-Dependent Opening: Formal Definitions and Constructions. - Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Takahiro Matsuda 002; Kazuma Ohara; Kazumasa Omote; Yusuke Sakai 001 (Secur. Commun. Networks, 2019)

Verifiable Privacy-Preserving Data Aggregation Protocols. - Satoshi Yasuda; Yoshihiro Koseki; Yusuke Sakai 001; Fuyuki Kitagawa; Yutaka Kawai; Goichiro Hanaoka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Public-key Searchable Encryption with Index Generation for Shared Database. - Nori Matsuda; Takato Hirano; Yutaka Kawai; Takashi Ito; Mitsuhiro Hattori; Tadakazu Yamanaka; Masakatsu Nishigaki (J. Inf. Process., 2020)

DBMS-Friendly Searchable Symmetric Encryption: Constructing Index Generation Suitable for Database Management Systems. - Takato Hirano; Yutaka Kawai; Yoshihiro Koseki (DSC, 2021)

Multi-user Dynamic Searchable Encryption for Prefix-Fixing Predicates from Symmetric-Key Primitives. - Takato Hirano; Yutaka Kawai; Yoshihiro Koseki; Satoshi Yasuda; Yohei Watanabe 001; Takumi Amada; Mitsugu Iwamoto; Kazuo Ohta (SAC (1), 2024)