Password-protected secret-sharing schemes without random oracles. - Shingo Hasegawa; Shuji Isobe; Jun-ya Iwazaki; Eisuke Koizumi; Hiroki Shizuya (ISITA, 2014)

A Strengthened Security Notion for Password-Protected Secret Sharing Schemes. - Shingo Hasegawa; Shuji Isobe; Jun-ya Iwazaki; Eisuke Koizumi; Hiroki Shizuya (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

A Proposal of a Password Manager Satisfying Security and Usability by Using the Secret Sharing and a Personal Server. - Masayuki Fukumitsu; Shingo Hasegawa; Jun-ya Iwazaki; Masao Sakai; Daiki Takahashi (AINA, 2016)

A Proposal of a Secure P2P-Type Storage Scheme by Using the Secret Sharing and the Blockchain. - Masayuki Fukumitsu; Shingo Hasegawa; Jun-ya Iwazaki; Masao Sakai; Daiki Takahashi (AINA, 2017)

A Method for Constructing an Autonomous Decentralized P2P Storage with High Confidentiality and Reliability. - Masayuki Fukumitsu; Shingo Hasegawa; Shuji Isobe; Jun-ya Iwazaki; Eisuke Koizumi; Masao Sakai (CANDAR, 2017)

A Construction of Cramer-Shoup Like Encryption Protocols Based on the Anshel-Anshel-Goldfeld Key Exchange Protocol. - Shuji Isobe; Jun-ya Iwazaki; Eisuke Koizumi; Atsushi Suda (CANDAR Workshops, 2018)