Symmetric Searchable Encryption for Database Applications. - Masayuki Yoshino; Ken Naganuma; Hisayoshi Satoh (NBiS, 2011)

Upper bound of the shortest vector coefficients and its applications. - Ken Naganuma; Masayuki Yoshino; Hisayoshi Sato (ISITA, 2012)

Symmetric Inner-Product Predicate Encryption Based on Three Groups. - Masayuki Yoshino; Noboru Kunihiro; Ken Naganuma; Hisayoshi Sato (ProvSec, 2012)

Unconditionally provably secure cancellable biometrics based on a quotient polynomial ring. - Kenta Takahashi; Ken Naganuma (IET Biom., 2012)

How to Evaluate Contents Popularity over Oblivious Transfer. - Ken Naganuma; Hisayoshi Sato; Masayuki Yoshino; Yoshinori Sato (SITIS, 2013)

Auditable Zerocoin. - Ken Naganuma; Masayuki Yoshino; Hisayoshi Sato; Takayuki Suzuki (EuroS&P Workshops, 2017)

A Secure and Practical Signature Scheme for Blockchain Based on Biometrics. - Yosuke Kaga; Masakazu Fujio; Ken Naganuma; Kenta Takahashi; Takao Murakami; Tetsushi Ohki; Masakatsu Nishigaki (ISPEC, 2017)

Decentralized Netting Protocol over Consortium Blockchain. - Ken Naganuma; Masayuki Yoshino; Hisayoshi Sato; Nishio Yamada; Takayuki Suzuki; Noboru Kunihiro (ISITA, 2018)

Inference Attacks on Encrypted Databases Based on Order Preserving Assignment Problem. - Sota Onozawa; Noboru Kunihiro; Masayuki Yoshino; Ken Naganuma (IWSEC, 2018)

Definition and Efficient Construction of Encrypted k-anonymization Scheme. - Masayuki Yoshino; Takayuki Suzuki; Ken Naganuma; Hisayoshi Sato (ICISSP, 2019)

New Secret Key Management Technology for Blockchains from Biometrics Fuzzy Signature. - Ken Naganuma; Takayuki Suzuki; Masayuki Yoshino; Kenta Takahashi; Yosuke Kaga; Noboru Kunihiro (AsiaJCIS, 2020)

Post-Quantum zk-SNARK for Arithmetic Circuits using QAPs. - Ken Naganuma; Masayuki Yoshino; Atsuo Inoue; Yukinori Matsuoka; Mineaki Okazaki; Noboru Kunihiro (AsiaJCIS, 2020)

Practical Query-based Order Revealing Encryption from Symmetric Searchable Encryption. - Masayuki Yoshino; Ken Naganuma; Noboru Kunihiro; Hisayoshi Sato (AsiaJCIS, 2020)

ContractSafeguard: Practical Bug Bounty Platform for Smart Contracts with Intel SGX. - Kaiho Fukuchi; Ken Naganuma; Takayuki Suzuki; Takatoshi Ohara (ICBC, 2024)

Biometric Authentication Service on Smart Contract. - Takayuki Suzuki; Ken Naganuma; Kaiho Fukuchi; Takatoshi Ohara (ICBC, 2024)

Leakable Mnemonic Phrase: A New Orientation of Wallets Backup Based on Biometric-Key. - Ken Naganuma; Takayuki Suzuki; Takatoshi Ohara (ISITA, 2024)

Proof of Origin: Creating Data Authenticity by Biometric Information. - Takayuki Suzuki; Ken Naganuma; Kaiho Fukuchi; Takatoshi Ohara (ISITA, 2024)

Post-quantum zk-SNARKs from QAPs. - Ken Naganuma; Masayuki Yoshino; Noboru Kunihiro; Atsuo Inoue; Yukinori Matsuoka; Mineaki Okazaki (Int. J. Inf. Comput. Secur., 2024)