Spending Offline Divisible Coins with Combining Capability. - Eikoh Chida; Yosuke Kasai; Masahiro Mambo; Hiroki Shizuya (INDOCRYPT, 2002)

A Note on the Relationships among Certified Discrete Log Cryptosystems. - Eikoh Chida; Toshiya Itoh; Hiroki Shizuya (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

A structured aggregate signature scheme. - Naoto Yanai; Eikoh Chida; Masahiro Mambo (ISITA, 2010)

A Secure Structured Multisignature Scheme Based on a Non-commutative Ring Homomorphism. - Naoto Yanai; Eikoh Chida; Masahiro Mambo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

A CDH-based Ordered Multisignature Scheme Provably Secure without Random Oracles. - Naoto Yanai; Eikoh Chida; Masahiro Mambo; Eiji Okamoto (J. Inf. Process., 2014)

Efficient Card-Based Protocols for Generating a Hidden Random Permutation Without Fixed Points. - Rie Ishikawa; Eikoh Chida; Takaaki Mizuki (UCNC, 2015)

Atomos: Constant-Size Path Validation Proof. - Anxiao He; Kai Bu; Yucong Li; Eikoh Chida; Qianping Gu; Kui Ren 001 (IEEE Trans. Inf. Forensics Secur., 2020)

Upper Bounds on the Number of Shuffles for Two-Helping-Card Multi-input and Protocols. - Takuto Yoshida; Kodai Tanaka; Keisuke Nakabayashi; Eikoh Chida; Takaaki Mizuki (CANS, 2023)